/* roulang page: index */
:root {
            --color-primary: #c0392b;
            --color-primary-hover: #a93226;
            --color-primary-light: #e74c3c;
            --color-accent: #f0a500;
            --color-accent-light: #f7c948;
            --color-dark: #0d1117;
            --color-dark-secondary: #161b22;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a4a5a;
            --color-text-muted: #7a7a8a;
            --color-bg: #ffffff;
            --color-bg-alt: #f8f9fa;
            --color-bg-cream: #fefdf9;
            --color-border: #e8e8ec;
            --color-border-light: #f0f0f4;
            --color-success: #27ae60;
            --color-white: #ffffff;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', serif;
            --max-width: 1260px;
            --header-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            letter-spacing: 0.015em;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            border-bottom-color: var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 1001;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-dark);
            white-space: nowrap;
            font-family: var(--font-display);
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform var(--transition-bounce);
        }

        .nav-links li a:hover {
            color: var(--color-primary);
            background: rgba(192, 57, 43, 0.04);
        }

        .nav-links li a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-links li a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--color-primary);
            height: 2.5px;
        }

        .nav-cta {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            font-weight: 600 !important;
            letter-spacing: 0.03em !important;
            transition: all var(--transition-smooth) !important;
            box-shadow: 0 2px 8px rgba(192, 57, 43, 0.25);
        }

        .nav-cta:hover {
            background: var(--color-primary-hover) !important;
            color: #fff !important;
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.35);
            transform: translateY(-1px);
        }
        .nav-cta::after {
            display: none !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-dark);
            padding: 6px;
            z-index: 1001;
            cursor: pointer;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: var(--color-bg-alt);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .nav-cta {
                padding: 8px 14px !important;
                font-size: 0.82rem !important;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: 0;
                width: 280px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 28px 30px;
                gap: 4px;
                box-shadow: var(--shadow-xl);
                transform: translateX(100%);
                transition: transform var(--transition-smooth);
                z-index: 1000;
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateX(0);
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 8px;
                width: 100%;
            }
            .nav-links li a::after {
                display: none;
            }
            .nav-cta {
                text-align: center;
                margin-top: 8px;
                border-radius: 8px !important;
                width: 100%;
            }
            .mobile-overlay {
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.45);
                z-index: 999;
                opacity: 0;
                pointer-events: none;
                transition: opacity var(--transition-smooth);
            }
            .mobile-overlay.show {
                opacity: 1;
                pointer-events: auto;
            }
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            background: var(--color-dark);
            color: #fff;
            padding: 80px 0 90px;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.28;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 17, 23, 0.7) 0%, rgba(13, 17, 23, 0.92) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin-bottom: 20px;
            font-family: var(--font-display);
        }
        .hero-text h1 .highlight {
            color: var(--color-accent);
            position: relative;
        }

        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 30px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(192, 57, 43, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hero-primary:hover {
            background: var(--color-primary-hover);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(192, 57, 43, 0.5);
            color: #fff;
        }

        .btn-hero-outline {
            background: transparent;
            color: #fff;
            padding: 14px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-visual {
            display: flex;
            flex-direction: column;
            gap: 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
        }

        .hero-stat-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: center;
            flex: 1;
            min-width: 80px;
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        .hero-mini-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }
        .hero-mini-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.85);
            transition: background var(--transition-fast);
        }
        .hero-mini-item:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .hero-mini-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary-light);
            flex-shrink: 0;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(231, 76, 60, 0);
            }
        }

        @media (max-width: 768px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .hero-text .hero-desc {
                font-size: 0.95rem;
            }
            .hero-section {
                padding: 50px 0 60px;
                min-height: auto;
            }
        }

        /* ========== SECTION COMMONS ========== */
        section {
            padding: 70px 0;
        }
        @media (max-width: 768px) {
            section {
                padding: 44px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-primary);
            margin-bottom: 10px;
            background: rgba(192, 57, 43, 0.07);
            padding: 5px 14px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--color-dark);
            margin-bottom: 14px;
            font-family: var(--font-display);
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 600px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
        }

        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== VERTICAL CARDS (竖屏种草) ========== */
        .vertical-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .vertical-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .vertical-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .vertical-card-img {
            width: 100%;
            aspect-ratio: 3/4;
            object-fit: cover;
            display: block;
        }
        .vertical-card-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .vertical-card-tag {
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        .vertical-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .vertical-card-desc {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            flex: 1;
        }
        @media (max-width: 1024px) {
            .vertical-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .vertical-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .vertical-card-body {
                padding: 12px 10px;
            }
            .vertical-card-title {
                font-size: 0.88rem;
            }
        }

        /* ========== HOT LIST (爆款清单) ========== */
        .hotlist-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: start;
        }
        .hotlist-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            align-items: center;
            gap: 16px;
            cursor: default;
        }
        .hotlist-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .hotlist-rank {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
            width: 50px;
            text-align: center;
            font-family: var(--font-display);
            letter-spacing: -0.03em;
        }
        .hotlist-card:nth-child(1) .hotlist-rank {
            color: #f0a500;
            font-size: 2.4rem;
        }
        .hotlist-card:nth-child(2) .hotlist-rank {
            color: #b0b0b0;
            font-size: 2.2rem;
        }
        .hotlist-card:nth-child(3) .hotlist-rank {
            color: #cd7f32;
            font-size: 2rem;
        }
        .hotlist-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 4px;
            line-height: 1.3;
        }
        .hotlist-info p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }
        .hotlist-badge {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            background: #fff3cd;
            color: #856404;
            letter-spacing: 0.03em;
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hotlist-wrap {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== REVIEW WALL (评价墙) ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .review-card::before {
            content: '"';
            position: absolute;
            top: 10px;
            right: 18px;
            font-size: 4rem;
            color: rgba(192, 57, 43, 0.08);
            font-family: Georgia, serif;
            line-height: 1;
        }
        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .review-stars {
            color: #f0a500;
            font-size: 0.9rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .review-text {
            font-size: 0.9rem;
            color: var(--color-text);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .review-author {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .review-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .review-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== NEWS SECTION ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 30px;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 16px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(3px);
            border-left: 3px solid var(--color-primary);
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            font-weight: 500;
            min-width: 70px;
            padding-top: 2px;
        }
        .news-item-body h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-item-body p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }
        .news-item-body .btn-readmore {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 6px;
            display: inline-block;
            padding: 0;
            background: none;
            border: none;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
        }
        .news-item-body .btn-readmore:hover {
            color: var(--color-primary-hover);
            text-decoration: underline;
        }
        .news-sidebar {
            background: var(--color-dark);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            color: #fff;
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .news-sidebar h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .news-sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-sidebar-list li a {
            display: block;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            transition: all var(--transition-fast);
            line-height: 1.4;
        }
        .news-sidebar-list li a:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
                margin-top: 20px;
            }
        }

        /* ========== SCENARIO DEMO (场景演示) ========== */
        .scenario-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .scenario-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .scenario-step {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .scenario-step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .scenario-step-text h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 3px;
        }
        .scenario-step-text p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }
        .scenario-image {
            background: url('/assets/images/coverpic/cover-5.webp') center/cover no-repeat;
            border-radius: var(--radius-lg);
            aspect-ratio: 16/11;
            box-shadow: var(--shadow-lg);
            min-height: 300px;
        }
        @media (max-width: 768px) {
            .scenario-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .scenario-image {
                order: -1;
                min-height: 220px;
            }
        }

        /* ========== COLLECTION DIRECTORY (合集目录) ========== */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .collection-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16/10;
            cursor: pointer;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            align-items: flex-end;
        }
        .collection-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .collection-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .collection-card:hover img {
            transform: scale(1.06);
        }
        .collection-card-overlay {
            position: relative;
            z-index: 2;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.78));
            padding: 20px 18px;
            width: 100%;
            color: #fff;
        }
        .collection-card-overlay h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 3px;
        }
        .collection-card-overlay span {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .collection-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 3;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 14px;
            letter-spacing: 0.04em;
        }
        @media (max-width: 768px) {
            .collection-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .collection-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== PRICING / PACKAGE COMPARE (套餐对比) ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }
        .pricing-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .pricing-card.featured {
            border: 2px solid var(--color-primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
            background: #fffefb;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }
        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-primary);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 16px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .pricing-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
        }
        .pricing-price {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-dark);
            margin: 10px 0;
            letter-spacing: -0.02em;
        }
        .pricing-price small {
            font-size: 0.8rem;
            font-weight: 400;
            color: var(--color-text-muted);
        }
        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 16px 0 20px;
            flex: 1;
            text-align: left;
        }
        .pricing-features li {
            padding: 7px 0;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-features li i {
            color: var(--color-success);
            font-size: 0.75rem;
        }
        .btn-pricing {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            background: var(--color-dark);
            color: #fff;
            border: none;
            width: 100%;
            text-align: center;
        }
        .btn-pricing:hover {
            background: #000;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-pricing.featured-btn {
            background: var(--color-primary);
            box-shadow: 0 4px 14px rgba(192, 57, 43, 0.3);
        }
        .btn-pricing.featured-btn:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 6px 20px rgba(192, 57, 43, 0.45);
        }
        @media (max-width: 768px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: translateY(-4px);
            }
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: var(--color-dark);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-banner>* {
            position: relative;
            z-index: 1;
        }
        .cta-banner h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            font-family: var(--font-display);
        }
        .cta-banner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-block;
            background: var(--color-accent);
            color: #000;
            padding: 14px 36px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(240, 165, 0, 0.35);
        }
        .btn-cta-large:hover {
            background: var(--color-accent-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(240, 165, 0, 0.5);
            color: #000;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-card {
            background: var(--color-bg-cream);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            border: 1px solid var(--color-border-light);
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .brand-intro-card p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin: 0;
        }

        /* ========== DATA METRICS ========== */
        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .metric-item {
            padding: 24px 16px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .metric-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .metric-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .metric-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-num {
                font-size: 1.8rem;
            }
        }

        /* ========== SAFETY SECTION ========== */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .safety-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .safety-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .safety-icon {
            font-size: 2.4rem;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .safety-card h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
        }
        .safety-card p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .safety-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-dark);
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question i {
            transition: transform var(--transition-smooth);
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 20px;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        /* ========== PARTNERS ========== */
        .partners-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
            align-items: center;
            padding: 20px 0;
        }
        .partner-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
            padding: 10px 18px;
            background: var(--color-bg-alt);
            border-radius: 10px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .partner-logo:hover {
            color: var(--color-dark);
            background: #eef0f3;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 8px;
            display: inline-block;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-bottom-links {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FLOAT CTA BAR ========== */
        .float-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 998;
            padding: 12px 20px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
            border-top: 1px solid var(--color-border-light);
        }
        .float-cta-bar.visible {
            transform: translateY(0);
        }
        .float-cta-bar .btn-float {
            background: var(--color-primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(192, 57, 43, 0.3);
        }
        .float-cta-bar .btn-float:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 6px 20px rgba(192, 57, 43, 0.45);
            transform: translateY(-2px);
        }
        .float-cta-bar span {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== UTILITY ========== */
        .bg-alt {
            background: var(--color-bg-alt);
        }
        .bg-dark {
            background: var(--color-dark);
            color: #fff;
        }
        .bg-dark .section-title {
            color: #fff;
        }
        .bg-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }
        .text-primary {
            color: var(--color-primary) !important;
        }

/* roulang page: category1 */
:root {
            --color-primary: #c0392b;
            --color-primary-hover: #a93226;
            --color-primary-light: #e74c3c;
            --color-accent: #f0a500;
            --color-accent-light: #f7c948;
            --color-dark: #0d1117;
            --color-dark-secondary: #161b22;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a4a5a;
            --color-text-muted: #7a7a8a;
            --color-bg: #ffffff;
            --color-bg-alt: #f8f9fa;
            --color-bg-cream: #fefdf9;
            --color-border: #e8e8ec;
            --color-border-light: #f0f0f4;
            --color-success: #27ae60;
            --color-white: #ffffff;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', serif;
            --max-width: 1260px;
            --header-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            letter-spacing: 0.015em;
            overflow-x: hidden;
            min-height: 100vh;
            padding-bottom: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            border-bottom-color: var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 1001;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-dark);
            white-space: nowrap;
            font-family: var(--font-display);
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: transform var(--transition-smooth);
        }

        .nav-links li a:hover {
            color: var(--color-primary);
            background: rgba(192, 57, 43, 0.04);
        }

        .nav-links li a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-links li a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            transform: translateX(-50%) scaleX(1);
            height: 2.5px;
            background: var(--color-primary);
        }

        .nav-cta {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            transition: all var(--transition-smooth) !important;
            margin-left: 8px;
        }

        .nav-cta:hover {
            background: var(--color-primary-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .nav-cta::after {
            display: none !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            z-index: 1001;
            cursor: pointer;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .nav-cta {
                padding: 7px 14px !important;
                font-size: 0.82rem !important;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-smooth);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 1rem;
                text-align: center;
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                border-radius: var(--radius-md) !important;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 17, 23, 0.88) 0%, rgba(22, 27, 34, 0.78) 40%, rgba(13, 17, 23, 0.7) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 80px 0;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #fff;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.88rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
        }

        .hero-badge i {
            color: var(--color-accent-light);
            font-size: 0.85rem;
        }

        .hero-badge.highlight {
            background: var(--color-primary);
            border-color: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(192, 57, 43, 0.4);
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
            font-family: var(--font-display);
        }

        .hero-title span {
            color: var(--color-accent-light);
            position: relative;
        }

        .hero-title .highlight-red {
            color: var(--color-primary-light);
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 620px;
        }

        .hero-eligibility {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            margin-bottom: 28px;
            max-width: 520px;
            backdrop-filter: blur(6px);
        }

        .hero-eligibility p {
            color: rgba(255, 255, 255, 0.9);
            margin: 0;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .hero-eligibility p i {
            color: var(--color-success);
            margin-right: 6px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            padding: 15px 32px;
            border-radius: 28px;
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(192, 57, 43, 0.35);
        }

        .btn-hero-primary:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(192, 57, 43, 0.5);
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 14px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.5);
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
        }

        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 500px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-badge-row {
                gap: 8px;
            }
            .hero-badge {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                justify-content: center;
                text-align: center;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section-padding {
            padding: 80px 0;
        }

        .section-padding-lg {
            padding: 100px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-dark);
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            font-family: var(--font-display);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            line-height: 1.75;
            max-width: 700px;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 50px 0;
            }
            .section-padding-lg {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        /* ========== BENEFIT CARDS ========== */
        .benefit-card {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .benefit-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--color-primary);
            transition: height var(--transition-smooth);
            border-radius: 0 2px 2px 0;
        }

        .benefit-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .benefit-card:hover::before {
            height: 100%;
        }

        .benefit-icon {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            background: rgba(192, 57, 43, 0.08);
            color: var(--color-primary);
            transition: all var(--transition-smooth);
        }

        .benefit-card:hover .benefit-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.05);
        }

        .benefit-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .benefit-card p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== SCENE PANELS ========== */
        .scene-panel {
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            gap: 48px;
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }

        .scene-panel:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .scene-panel.reverse {
            flex-direction: row-reverse;
        }

        .scene-text {
            flex: 1;
        }

        .scene-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .scene-text p {
            color: var(--color-text-muted);
            line-height: 1.75;
            font-size: 0.98rem;
        }

        .scene-image {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .scene-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .scene-panel:hover .scene-image img {
            transform: scale(1.04);
        }

        @media (max-width: 768px) {
            .scene-panel {
                flex-direction: column !important;
                padding: 28px 20px;
                gap: 24px;
            }
            .scene-image img {
                height: 200px;
            }
        }

        /* ========== COVERAGE GRID ========== */
        .coverage-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .coverage-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .coverage-card .coverage-icon {
            font-size: 2.2rem;
            color: var(--color-primary);
            margin-bottom: 14px;
            transition: transform var(--transition-bounce);
        }

        .coverage-card:hover .coverage-icon {
            transform: scale(1.2);
        }

        .coverage-card h5 {
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
            font-size: 1rem;
        }

        .coverage-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* ========== FEATURE LIST ========== */
        .feature-list-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }

        .feature-list-item:last-child {
            border-bottom: none;
        }

        .feature-list-item:hover {
            padding-left: 8px;
        }

        .feature-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
            margin-top: 7px;
            transition: all var(--transition-smooth);
        }

        .feature-list-item:hover .feature-dot {
            box-shadow: 0 0 0 8px rgba(192, 57, 43, 0.15);
            transform: scale(1.3);
        }

        .feature-list-item h5 {
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 4px;
            font-size: 1.05rem;
        }

        .feature-list-item p {
            color: var(--color-text-muted);
            font-size: 0.92rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
        }

        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            min-width: 160px;
            flex: 1;
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 8px;
            font-family: var(--font-display);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: var(--color-bg-cream);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .testimonial-stars {
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 16px;
        }

        .testimonial-author {
            font-weight: 700;
            color: var(--color-dark);
            font-size: 0.9rem;
        }

        .testimonial-author span {
            font-weight: 400;
            color: var(--color-text-muted);
            font-size: 0.82rem;
        }

        /* ========== STEPS ========== */
        .step-card {
            text-align: center;
            padding: 28px 20px;
            position: relative;
            transition: all var(--transition-smooth);
        }

        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            margin: 0 auto 16px;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.3);
        }

        .step-card:hover .step-number {
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(192, 57, 43, 0.45);
        }

        .step-card h5 {
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
        }

        .step-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
            background: var(--color-white);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            color: var(--color-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: all var(--transition-fast);
            font-size: 0.98rem;
            letter-spacing: 0.02em;
        }

        .faq-question:hover {
            color: var(--color-primary);
            background: rgba(192, 57, 43, 0.02);
        }

        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-dark);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: var(--color-primary);
            border-radius: 50%;
            opacity: 0.15;
            pointer-events: none;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: var(--color-dark);
            padding: 16px 36px;
            border-radius: 28px;
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
            box-shadow: 0 6px 24px rgba(240, 165, 0, 0.35);
        }

        .btn-cta-large:hover {
            background: var(--color-accent-light);
            color: var(--color-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(240, 165, 0, 0.5);
        }

        /* ========== STICKY BOTTOM BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            border-top: 1px solid var(--color-border-light);
            padding: 14px 24px;
            z-index: 998;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
        }

        .sticky-bottom-bar.visible {
            transform: translateY(0);
        }

        .sticky-bottom-bar .sticky-text {
            font-weight: 600;
            color: var(--color-dark);
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }

        .sticky-bottom-bar .sticky-text span {
            color: var(--color-primary);
        }

        .btn-sticky-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-sticky-cta:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        @media (max-width: 768px) {
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 10px;
                padding: 12px 16px;
                text-align: center;
            }
            .btn-sticky-cta {
                width: 100%;
                text-align: center;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-bottom-links {
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== DARK ALT SECTION ========== */
        .dark-alt-section {
            background: var(--color-dark-secondary);
            color: #fff;
        }

        .dark-alt-section .section-title {
            color: #fff;
        }

        .dark-alt-section .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }

        .dark-alt-section .section-label {
            color: var(--color-accent-light);
        }

        /* ========== MISC ========== */
        .text-accent {
            color: var(--color-accent);
        }

        .bg-alt {
            background: var(--color-bg-alt);
        }

        .bg-cream {
            background: var(--color-bg-cream);
        }

        .divider {
            border-top: 1px solid var(--color-border-light);
            margin: 0;
        }

/* roulang page: category2 */
:root {
            --color-primary: #c0392b;
            --color-primary-hover: #a93226;
            --color-primary-light: #e74c3c;
            --color-accent: #f0a500;
            --color-accent-light: #f7c948;
            --color-dark: #0d1117;
            --color-dark-secondary: #161b22;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a4a5a;
            --color-text-muted: #7a7a8a;
            --color-bg: #ffffff;
            --color-bg-alt: #f8f9fa;
            --color-bg-cream: #fefdf9;
            --color-border: #e8e8ec;
            --color-border-light: #f0f0f4;
            --color-success: #27ae60;
            --color-white: #ffffff;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', serif;
            --max-width: 1260px;
            --header-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            letter-spacing: 0.015em;
            overflow-x: hidden;
            min-height: 100vh;
            padding-bottom: 80px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: all var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            border-bottom-color: var(--color-border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 1001;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-dark);
            white-space: nowrap;
            font-family: var(--font-display);
        }
        .logo-text span {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 55%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: transform var(--transition-smooth);
        }
        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-links li a:hover {
            color: var(--color-primary);
            background: rgba(192, 57, 43, 0.04);
        }
        .nav-links li a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-cta {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            letter-spacing: 0.03em !important;
            transition: all var(--transition-smooth) !important;
        }
        .nav-cta:hover {
            background: var(--color-primary-hover) !important;
            color: #fff !important;
            box-shadow: 0 4px 14px rgba(192, 57, 43, 0.35);
            transform: translateY(-1px);
        }
        .nav-cta::after {
            display: none !important;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px 10px;
            z-index: 1001;
            cursor: pointer;
            border-radius: 6px;
            transition: all var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 28px;
            border-radius: 30px;
            letter-spacing: 0.03em;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.3);
        }
        .btn-primary-custom:hover {
            background: var(--color-primary-hover);
            color: #fff;
            box-shadow: 0 8px 24px rgba(192, 57, 43, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 26px;
            border-radius: 30px;
            letter-spacing: 0.03em;
            border: 2px solid var(--color-primary);
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .btn-outline-custom:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.25);
            transform: translateY(-2px);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 28px;
            border-radius: 30px;
            letter-spacing: 0.03em;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(240, 165, 0, 0.3);
        }
        .btn-accent:hover {
            background: #d89400;
            color: #fff;
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.4);
            transform: translateY(-2px);
        }

        /* ========== HERO COUPON WALL ========== */
        .hero-coupon {
            position: relative;
            padding: 60px 0 70px;
            background: linear-gradient(170deg, #fefdf9 0%, #fdf6f0 30%, #faf5f0 60%, #fefdf9 100%);
            overflow: hidden;
        }
        .hero-coupon::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -160px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(192, 57, 43, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-coupon::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-coupon .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: stretch;
            gap: 36px;
            flex-wrap: wrap;
        }
        .hero-coupon .hero-text-col {
            flex: 0 0 340px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 20px;
        }
        .hero-coupon .hero-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            text-transform: uppercase;
            background: rgba(192, 57, 43, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            width: fit-content;
        }
        .hero-coupon .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-dark);
            letter-spacing: -0.01em;
            font-family: var(--font-display);
        }
        .hero-coupon .hero-title span {
            color: var(--color-primary);
        }
        .hero-coupon .hero-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .hero-coupon .hero-coupons-grid {
            flex: 1;
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            grid-template-rows: auto auto auto;
            gap: 16px;
            align-items: stretch;
        }
        .coupon-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            position: relative;
            border: 2px dashed var(--color-border);
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            gap: 10px;
            overflow: hidden;
        }
        .coupon-card:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .coupon-card.main-coupon {
            grid-row: 1 / 4;
            border: 3px solid var(--color-accent);
            border-style: solid;
            background: linear-gradient(160deg, #fffefb 0%, #fffdf5 40%, #fff9ed 100%);
            padding: 30px 28px;
            gap: 14px;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .coupon-card.main-coupon::before {
            content: '';
            position: absolute;
            top: -20px;
            right: -20px;
            width: 90px;
            height: 90px;
            background: var(--color-accent);
            border-radius: 50%;
            opacity: 0.12;
            pointer-events: none;
        }
        .coupon-card.main-coupon .coupon-ribbon {
            position: absolute;
            top: 16px;
            right: -28px;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 5px 32px;
            transform: rotate(45deg);
            letter-spacing: 0.04em;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(192, 57, 43, 0.3);
        }
        .coupon-card .coupon-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 2px;
        }
        .coupon-card.main-coupon .coupon-icon {
            font-size: 2.6rem;
            color: var(--color-accent);
        }
        .coupon-card .coupon-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-dark);
            letter-spacing: 0.02em;
        }
        .coupon-card.main-coupon .coupon-name {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-dark);
            font-family: var(--font-display);
        }
        .coupon-card .coupon-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        .coupon-card .coupon-value {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }
        .coupon-card.main-coupon .coupon-value {
            font-size: 1.6rem;
            color: var(--color-primary);
        }
        .coupon-card .coupon-original {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            text-decoration: line-through;
            margin-left: 6px;
        }
        .coupon-card .coupon-btn {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 10px 20px;
            border-radius: 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            width: fit-content;
            letter-spacing: 0.03em;
            border: none;
            cursor: pointer;
        }
        .coupon-card .coupon-btn:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 4px 14px rgba(192, 57, 43, 0.35);
            color: #fff;
            transform: translateY(-1px);
        }
        .coupon-card.main-coupon .coupon-btn {
            font-size: 0.95rem;
            padding: 13px 28px;
            background: var(--color-accent);
            box-shadow: 0 4px 16px rgba(240, 165, 0, 0.3);
        }
        .coupon-card.main-coupon .coupon-btn:hover {
            background: #d89400;
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.45);
        }
        .coupon-card .coupon-badge {
            display: inline-block;
            background: rgba(39, 174, 96, 0.1);
            color: var(--color-success);
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            width: fit-content;
            letter-spacing: 0.04em;
        }

        /* ========== SECTIONS ========== */
        .section-padding {
            padding: 70px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            text-transform: uppercase;
            background: rgba(192, 57, 43, 0.07);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--color-dark);
            font-family: var(--font-display);
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        /* ========== FEATURE CARDS ========== */
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-4px);
        }
        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            background: rgba(192, 57, 43, 0.08);
            color: var(--color-primary);
            transition: all var(--transition-smooth);
        }
        .feature-card:hover .feature-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.08);
        }
        .feature-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-dark);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== SCENE CARDS ========== */
        .scene-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .scene-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-3px);
        }
        .scene-card .scene-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .scene-card .scene-body {
            padding: 22px 20px;
        }
        .scene-card .scene-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-dark);
            margin-bottom: 6px;
        }
        .scene-card .scene-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== STATS ========== */
        .stat-item {
            text-align: center;
            padding: 20px;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
            font-family: var(--font-display);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .testimonial-card .quote-mark {
            font-size: 3rem;
            color: var(--color-primary);
            opacity: 0.2;
            line-height: 1;
            position: absolute;
            top: 16px;
            left: 20px;
            font-family: serif;
        }
        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            padding-top: 16px;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-card .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-dark);
        }
        .testimonial-card .testimonial-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 18px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            color: var(--color-primary);
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            letter-spacing: 0.02em;
        }
        .faq-question .faq-icon {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 10px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-dark);
            color: #fff;
            padding: 60px 0;
            border-radius: var(--radius-xl);
            margin: 0 24px 60px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(231, 76, 60, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            font-family: var(--font-display);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.85;
            margin-bottom: 24px;
            line-height: 1.6;
        }

        /* ========== STICKY BOTTOM BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-top: 1px solid var(--color-border);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            transition: all var(--transition-smooth);
        }
        .sticky-bottom-bar .sticky-text {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-dark);
            letter-spacing: 0.02em;
        }
        .sticky-bottom-bar .sticky-highlight {
            color: var(--color-primary);
            font-weight: 800;
        }
        .sticky-bottom-bar .btn-sticky {
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 11px 26px;
            border-radius: 24px;
            letter-spacing: 0.03em;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(192, 57, 43, 0.3);
            white-space: nowrap;
        }
        .sticky-bottom-bar .btn-sticky:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 6px 20px rgba(192, 57, 43, 0.4);
            transform: translateY(-1px);
        }
        .sticky-close {
            background: none;
            border: none;
            color: var(--color-text-muted);
            font-size: 1.1rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .sticky-close:hover {
            background: var(--color-bg-alt);
            color: var(--color-text);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: #c0c0c8;
            padding: 50px 0 30px;
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 20px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .site-footer .footer-brand p {
            margin-top: 10px;
            font-size: 0.85rem;
            opacity: 0.75;
            line-height: 1.6;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: #a0a0b0;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .site-footer ul li a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #888;
        }
        .site-footer .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .site-footer .footer-bottom-links a {
            color: #888;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-coupon .hero-inner {
                flex-direction: column;
            }
            .hero-coupon .hero-text-col {
                flex: 0 0 auto;
                text-align: center;
                align-items: center;
            }
            .hero-coupon .hero-coupons-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }
            .coupon-card.main-coupon {
                grid-row: auto;
                grid-column: 1 / 3;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .hero-coupon .hero-title {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                gap: 2px;
                z-index: 1000;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 8px;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-coupon {
                padding: 40px 0 50px;
            }
            .hero-coupon .hero-coupons-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .coupon-card.main-coupon {
                grid-column: auto;
            }
            .hero-coupon .hero-title {
                font-size: 1.7rem;
            }
            .section-padding {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .cta-section {
                margin: 0 12px 40px;
                padding: 40px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .sticky-bottom-bar {
                padding: 10px 16px;
                gap: 10px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.82rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .site-footer .footer-bottom-links {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .hero-coupon .hero-title {
                font-size: 1.4rem;
            }
            .hero-coupon .hero-subtitle {
                font-size: 0.9rem;
            }
            .coupon-card.main-coupon {
                padding: 20px 18px;
            }
            .coupon-card.main-coupon .coupon-name {
                font-size: 1.2rem;
            }
            .coupon-card.main-coupon .coupon-value {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 8px;
                padding: 8px 14px;
                text-align: center;
            }
            .btn-primary-custom,
            .btn-accent,
            .btn-outline-custom {
                font-size: 0.9rem;
                padding: 10px 20px;
            }
            .container {
                padding: 0 12px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #c0392b;
            --color-primary-hover: #a93226;
            --color-primary-light: #e74c3c;
            --color-accent: #f0a500;
            --color-accent-light: #f7c948;
            --color-dark: #0d1117;
            --color-dark-secondary: #161b22;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a4a5a;
            --color-text-muted: #7a7a8a;
            --color-bg: #ffffff;
            --color-bg-alt: #f8f9fa;
            --color-bg-cream: #fefdf9;
            --color-border: #e8e8ec;
            --color-border-light: #f0f0f4;
            --color-success: #27ae60;
            --color-white: #ffffff;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', serif;
            --max-width: 1260px;
            --header-height: 68px;
            --sticky-bar-height: 70px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            letter-spacing: 0.015em;
            overflow-x: hidden;
            min-height: 100vh;
            padding-bottom: var(--sticky-bar-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            border-bottom-color: var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 1001;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-dark);
            white-space: nowrap;
            font-family: var(--font-display);
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: transform var(--transition-smooth);
        }

        .nav-links li a:hover {
            color: var(--color-primary);
            background: rgba(192, 57, 43, 0.04);
        }

        .nav-links li a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-links li a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(192, 57, 43, 0.06);
        }

        .nav-links li a.active::after {
            transform: translateX(-50%) scaleX(1);
            height: 3px;
            bottom: 1px;
        }

        .nav-links li a.nav-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 9px 20px;
            border-radius: 24px;
            font-weight: 600;
            margin-left: 4px;
            transition: all var(--transition-smooth);
            box-shadow: 0 2px 8px rgba(192, 57, 43, 0.25);
        }

        .nav-links li a.nav-cta:hover {
            background: var(--color-primary-hover);
            color: #fff;
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.35);
            transform: translateY(-1px);
        }

        .nav-links li a.nav-cta::after {
            display: none;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            transition: color var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            color: var(--color-primary);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .nav-links li a.nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 860px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-smooth);
                z-index: 999;
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 8px;
                text-align: center;
            }
            .nav-links li a.nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                padding: 12px 20px;
                font-size: 0.95rem;
            }
            .nav-links li a::after {
                display: none;
            }
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 17, 23, 0.78) 0%, rgba(13, 17, 23, 0.85) 40%, rgba(13, 17, 23, 0.92) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            padding: 60px 24px;
        }

        .hero-profile-card {
            background: rgba(255, 255, 255, 0.96);
            border-radius: var(--radius-xl);
            padding: 40px 36px 36px;
            box-shadow: var(--shadow-xl);
            display: inline-block;
            max-width: 560px;
            width: 100%;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            transition: transform var(--transition-smooth);
        }

        .hero-profile-card:hover {
            transform: translateY(-2px);
        }

        .hero-avatar-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-bottom: 20px;
        }

        .hero-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 32px;
            box-shadow: 0 6px 24px rgba(192, 57, 43, 0.35);
            flex-shrink: 0;
        }

        .hero-nickname-area {
            text-align: left;
        }

        .hero-nickname {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-dark);
            letter-spacing: 0.04em;
            font-family: var(--font-display);
            line-height: 1.3;
        }

        .hero-nickname-sub {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .hero-badges-row {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 22px;
        }

        .hero-badge {
            background: var(--color-bg-alt);
            border: 1px solid var(--color-border);
            border-radius: 40px;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .hero-badge i {
            color: var(--color-primary);
            font-size: 1rem;
        }

        .hero-badge:hover {
            border-color: var(--color-primary);
            background: rgba(192, 57, 43, 0.04);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .hero-badge-count {
            font-weight: 800;
            color: var(--color-primary);
            font-size: 1.1rem;
        }

        .hero-cta-row {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: var(--color-primary);
            color: #fff;
            padding: 13px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary:hover {
            background: var(--color-primary-hover);
            color: #fff;
            box-shadow: 0 8px 28px rgba(192, 57, 43, 0.4);
            transform: translateY(-2px);
        }

        .btn-hero-outline {
            background: transparent;
            color: var(--color-text);
            border: 2px solid var(--color-border);
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(192, 57, 43, 0.03);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 480px;
                background-attachment: scroll;
            }
            .hero-profile-card {
                padding: 28px 20px 24px;
                border-radius: var(--radius-lg);
            }
            .hero-avatar {
                width: 56px;
                height: 56px;
                font-size: 24px;
            }
            .hero-nickname {
                font-size: 1.25rem;
            }
            .hero-badges-row {
                gap: 10px;
            }
            .hero-badge {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 480px) {
            .hero-section {
                min-height: 420px;
            }
            .hero-profile-card {
                padding: 22px 16px 20px;
                border-radius: var(--radius-md);
            }
            .hero-avatar-row {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .hero-nickname-area {
                text-align: center;
            }
            .hero-badges-row {
                gap: 8px;
            }
            .hero-badge {
                padding: 7px 12px;
                font-size: 0.75rem;
            }
            .hero-cta-row {
                flex-direction: column;
                gap: 10px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section-padding {
            padding: 80px 0;
        }

        .section-padding-sm {
            padding: 60px 0;
        }

        .section-padding-lg {
            padding: 100px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
            font-family: var(--font-display);
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            margin-bottom: 40px;
            max-width: 640px;
            line-height: 1.6;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .text-accent {
            color: var(--color-primary);
        }

        .text-highlight {
            background: linear-gradient(180deg, transparent 60%, rgba(240, 165, 0, 0.25) 60%);
            padding: 0 4px;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 50px 0;
            }
            .section-padding-lg {
                padding: 60px 0;
            }
            .section-padding-sm {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== LEAGUE COVERAGE SECTION ========== */
        .coverage-section {
            background: var(--color-bg-cream);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .coverage-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .coverage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-primary);
            border-radius: 0 0 2px 2px;
            transform: scaleX(0);
            transition: transform var(--transition-smooth);
        }

        .coverage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }

        .coverage-card:hover::before {
            transform: scaleX(1);
        }

        .coverage-card-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(192, 57, 43, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-primary);
            transition: all var(--transition-smooth);
        }

        .coverage-card:hover .coverage-card-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.08);
            box-shadow: 0 6px 20px rgba(192, 57, 43, 0.3);
        }

        .coverage-card h4 {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-dark);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .coverage-card p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .coverage-card {
                padding: 22px 16px;
            }
            .coverage-card-icon {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
            .coverage-card h4 {
                font-size: 1.05rem;
            }
        }

        /* ========== SELLING POINTS SECTION ========== */
        .selling-point-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .selling-point-card .sp-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: rgba(192, 57, 43, 0.08);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
            pointer-events: none;
            transition: all var(--transition-smooth);
            font-family: var(--font-display);
        }

        .selling-point-card:hover .sp-number {
            color: rgba(192, 57, 43, 0.16);
            transform: scale(1.1);
        }

        .selling-point-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary-light);
        }

        .selling-point-card .sp-icon {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 16px;
            display: inline-block;
            transition: transform var(--transition-bounce);
        }

        .selling-point-card:hover .sp-icon {
            transform: scale(1.15);
        }

        .selling-point-card h4 {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-dark);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .selling-point-card p {
            color: var(--color-text-muted);
            font-size: 0.92rem;
            margin: 0;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .selling-point-card {
                padding: 26px 20px;
            }
            .selling-point-card .sp-number {
                font-size: 2.8rem;
            }
            .selling-point-card h4 {
                font-size: 1.1rem;
            }
        }

        /* ========== DEEP CONTENT SECTION ========== */
        .deep-content-section {
            background: var(--color-dark);
            color: #e0e0e0;
        }

        .deep-content-section .section-title {
            color: #fff;
        }

        .deep-content-section .section-subtitle {
            color: #b0b0b8;
        }

        .deep-content-block {
            background: var(--color-dark-secondary);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            height: 100%;
            transition: all var(--transition-smooth);
        }

        .deep-content-block:hover {
            border-color: rgba(255, 255, 255, 0.15);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            transform: translateY(-3px);
        }

        .deep-content-block .dc-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 14px;
            display: inline-block;
        }

        .deep-content-block h4 {
            font-weight: 700;
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .deep-content-block p {
            color: #b0b0b8;
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.7;
        }

        .deep-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            transition: transform var(--transition-smooth);
        }

        .deep-image-wrap:hover {
            transform: scale(1.02);
        }

        .deep-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .deep-content-block {
                padding: 24px 18px;
            }
            .deep-content-block h4 {
                font-size: 1.05rem;
            }
        }

        /* ========== DATA STATS SECTION ========== */
        .data-stats-section {
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-attachment: fixed;
            position: relative;
            color: #fff;
        }

        .data-stats-overlay {
            position: absolute;
            inset: 0;
            background: rgba(13, 17, 23, 0.88);
            z-index: 1;
        }

        .data-stats-content {
            position: relative;
            z-index: 2;
        }

        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-smooth);
            height: 100%;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1;
            font-family: var(--font-display);
        }

        .stat-label {
            font-size: 0.95rem;
            color: #c0c0c8;
            margin-top: 8px;
            letter-spacing: 0.04em;
            font-weight: 500;
        }

        .stat-suffix {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--color-accent-light);
        }

        @media (max-width: 768px) {
            .data-stats-section {
                background-attachment: scroll;
            }
            .stat-number {
                font-size: 2.4rem;
            }
            .stat-card {
                padding: 24px 16px;
            }
        }

        /* ========== SOCIAL PROOF SECTION ========== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .testimonial-card .quote-icon {
            color: var(--color-primary);
            opacity: 0.2;
            font-size: 2.5rem;
            position: absolute;
            top: 16px;
            right: 20px;
            pointer-events: none;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .testimonial-author {
            font-weight: 700;
            color: var(--color-dark);
            font-size: 0.9rem;
            letter-spacing: 0.03em;
        }

        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .testimonial-stars {
            color: var(--color-accent);
            font-size: 0.85rem;
            margin-bottom: 8px;
        }

        @media (max-width: 768px) {
            .testimonial-card {
                padding: 22px 16px;
            }
            .testimonial-card .testimonial-text {
                font-size: 0.88rem;
            }
        }

        /* ========== PROCESS SECTION ========== */
        .process-step {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: default;
        }

        .process-step:last-child {
            border-bottom: none;
        }

        .process-step:hover {
            background: rgba(192, 57, 43, 0.02);
            padding-left: 12px;
            border-radius: var(--radius-sm);
        }

        .process-step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(192, 57, 43, 0.3);
            transition: all var(--transition-bounce);
        }

        .process-step:hover .process-step-number {
            transform: scale(1.1);
            box-shadow: 0 6px 20px rgba(192, 57, 43, 0.4);
        }

        .process-step-content h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-dark);
            margin-bottom: 4px;
            letter-spacing: 0.03em;
        }

        .process-step-content p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .process-step {
                gap: 14px;
                padding: 18px 0;
            }
            .process-step-number {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .process-step-content h4 {
                font-size: 1rem;
            }
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border-light);
        }

        .accordion-faq .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }

        .accordion-faq .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }

        .accordion-faq .accordion-button {
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--color-dark);
            padding: 18px 22px;
            background: #fff;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            border-radius: var(--radius-md) !important;
            box-shadow: none;
        }

        .accordion-faq .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: rgba(192, 57, 43, 0.03);
            box-shadow: none;
            border-bottom: 1px solid var(--color-border-light);
        }

        .accordion-faq .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.1);
            border-color: var(--color-primary-light);
        }

        .accordion-faq .accordion-button::after {
            background-size: 1.2rem;
            transition: transform var(--transition-smooth);
        }

        .accordion-faq .accordion-body {
            padding: 18px 22px 22px;
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.75;
            letter-spacing: 0.015em;
        }

        @media (max-width: 768px) {
            .accordion-faq .accordion-button {
                font-size: 0.95rem;
                padding: 15px 16px;
            }
            .accordion-faq .accordion-body {
                padding: 14px 16px 18px;
                font-size: 0.88rem;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-full-section {
            background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a2e 50%, var(--color-dark-secondary) 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-full-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(192, 57, 43, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-full-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-full-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-full-content h2 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            font-family: var(--font-display);
            margin-bottom: 14px;
        }

        .cta-full-content p {
            font-size: 1.05rem;
            color: #c0c0c8;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .btn-cta-large {
            background: var(--color-primary);
            color: #fff;
            padding: 15px 40px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.04em;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(192, 57, 43, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-cta-large:hover {
            background: var(--color-primary-hover);
            color: #fff;
            box-shadow: 0 10px 36px rgba(192, 57, 43, 0.5);
            transform: translateY(-3px);
        }

        @media (max-width: 768px) {
            .cta-full-content h2 {
                font-size: 1.7rem;
            }
            .cta-full-content p {
                font-size: 0.95rem;
            }
            .btn-cta-large {
                padding: 13px 30px;
                font-size: 1rem;
            }
        }

        /* ========== STICKY BOTTOM BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--color-border);
            z-index: 998;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            min-height: var(--sticky-bar-height);
            transition: all var(--transition-smooth);
        }

        .sticky-bottom-bar .sticky-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-dark);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .sticky-bottom-bar .sticky-highlight {
            color: var(--color-primary);
            font-weight: 700;
        }

        .btn-sticky-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 11px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 3px 12px rgba(192, 57, 43, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-sticky-cta:hover {
            background: var(--color-primary-hover);
            color: #fff;
            box-shadow: 0 6px 20px rgba(192, 57, 43, 0.4);
            transform: translateY(-1px);
        }

        @media (max-width: 600px) {
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 8px;
                padding: 10px 16px;
                text-align: center;
                min-height: auto;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.85rem;
            }
            .btn-sticky-cta {
                width: 100%;
                justify-content: center;
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            body {
                padding-bottom: 110px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: #c0c0c8;
            padding: 56px 0 28px;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            display: inline-block;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: #a0a0a8;
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h5 {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #a0a0a8;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            justify-content: center;
            font-size: 0.82rem;
            color: #888;
            text-align: center;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-bottom-links a {
            color: #888;
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }

        /* ========== UTILITY ========== */
        .text-primary {
            color: var(--color-primary) !important;
        }
        .bg-alt {
            background: var(--color-bg-alt);
        }
        .bg-cream {
            background: var(--color-bg-cream);
        }
        .rounded-xl {
            border-radius: var(--radius-xl) !important;
        }
        .rounded-lg {
            border-radius: var(--radius-lg) !important;
        }
        .shadow-card {
            box-shadow: var(--shadow-card);
        }
        .shadow-md {
            box-shadow: var(--shadow-md);
        }
        .fw-800 {
            font-weight: 800;
        }
        .ls-wide {
            letter-spacing: 0.04em;
        }

        /* Smooth section entrance */
        .section-entrance {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .section-entrance.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category4 */
:root {
            --color-primary: #c0392b;
            --color-primary-hover: #a93226;
            --color-primary-light: #e74c3c;
            --color-accent: #f0a500;
            --color-accent-light: #f7c948;
            --color-dark: #0d1117;
            --color-dark-secondary: #161b22;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a4a5a;
            --color-text-muted: #7a7a8a;
            --color-bg: #ffffff;
            --color-bg-alt: #f8f9fa;
            --color-bg-cream: #fefdf9;
            --color-border: #e8e8ec;
            --color-border-light: #f0f0f4;
            --color-success: #27ae60;
            --color-white: #ffffff;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', serif;
            --max-width: 1260px;
            --header-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            letter-spacing: 0.015em;
            overflow-x: hidden;
            min-height: 100vh;
            padding-bottom: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width:768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            border-bottom-color: var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 1001;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-dark);
            white-space: nowrap;
            font-family: var(--font-display);
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: transform var(--transition-smooth);
        }

        .nav-links li a:hover {
            color: var(--color-primary);
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-links li a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-links .nav-cta {
            background: var(--color-primary);
            color: #fff !important;
            padding: 8px 20px !important;
            border-radius: 24px;
            font-weight: 600;
            margin-left: 8px;
            transition: all var(--transition-smooth);
        }

        .nav-links .nav-cta:hover {
            background: var(--color-primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            color: #fff !important;
        }

        .nav-links .nav-cta::after {
            display: none;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-dark);
            z-index: 1001;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        @media (max-width:1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .nav-links .nav-cta {
                padding: 8px 14px !important;
                font-size: 0.82rem;
            }
        }

        @media (max-width:768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 1rem;
                text-align: center;
                border-radius: var(--radius-sm);
            }
            .nav-links .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                border-radius: var(--radius-sm);
            }
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            padding: 60px 0 50px;
            background: var(--color-bg-cream);
            border-bottom: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(192, 57, 43, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(192, 57, 43, 0.08);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 18px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-dark);
            line-height: 1.25;
            margin-bottom: 16px;
            font-family: var(--font-display);
            letter-spacing: 0.02em;
        }

        .hero-title .highlight {
            color: var(--color-primary);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-icon-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 32px;
        }

        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            padding: 14px 22px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
        }

        .hero-icon-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
            color: var(--color-primary);
        }

        .hero-icon-item i {
            font-size: 1.4rem;
            color: var(--color-primary);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(192, 57, 43, 0.06);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .hero-status-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            background: #fff;
            padding: 16px 28px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            margin-bottom: 28px;
        }

        .hero-status-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .hero-status-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.4);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(39, 174, 96, 0);
            }
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary-lg {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 18px rgba(192, 57, 43, 0.3);
        }

        .btn-primary-lg:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(192, 57, 43, 0.4);
            color: #fff;
        }

        .btn-outline-lg {
            background: transparent;
            color: var(--color-primary);
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-lg:hover {
            background: rgba(192, 57, 43, 0.05);
            color: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
        }

        @media (max-width:768px) {
            .hero-section {
                padding: 40px 0 36px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-icon-grid {
                gap: 10px;
            }
            .hero-icon-item {
                padding: 10px 16px;
                font-size: 0.85rem;
                gap: 6px;
            }
            .hero-icon-item i {
                width: 32px;
                height: 32px;
                font-size: 1.1rem;
            }
            .hero-status-bar {
                gap: 12px;
                padding: 12px 16px;
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section-padding {
            padding: 70px 0;
        }

        .section-label {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 14px;
            font-family: var(--font-display);
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 650px;
            line-height: 1.7;
        }

        @media (max-width:768px) {
            .section-padding {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== SELLING POINTS ========== */
        .selling-points {
            background: var(--color-bg);
        }

        .selling-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .selling-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary-light);
        }

        .selling-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 20px;
            background: rgba(192, 57, 43, 0.07);
            color: var(--color-primary);
            transition: all var(--transition-smooth);
        }

        .selling-card:hover .card-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.05);
        }

        .selling-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .selling-card p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
        }

        .selling-card .card-highlight {
            display: inline-block;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }

        .selling-card:hover .card-highlight {
            color: var(--color-primary-hover);
        }

        /* ========== SCENARIO SECTION ========== */
        .scenario-section {
            background: var(--color-bg-alt);
            position: relative;
        }

        .scenario-block {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 40px;
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }

        .scenario-block:hover {
            box-shadow: var(--shadow-md);
        }

        .scenario-block:last-child {
            margin-bottom: 0;
        }

        .scenario-block.reverse {
            flex-direction: row-reverse;
        }

        .scenario-img {
            flex: 0 0 320px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .scenario-img img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .scenario-block:hover .scenario-img img {
            transform: scale(1.04);
        }

        .scenario-info {
            flex: 1;
        }

        .scenario-info .tag {
            display: inline-block;
            background: rgba(240, 165, 0, 0.12);
            color: #b8860b;
            font-weight: 600;
            font-size: 0.8rem;
            padding: 4px 14px;
            border-radius: 14px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .scenario-info h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .scenario-info p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .scenario-info .data-points {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .data-point {
            text-align: center;
            min-width: 70px;
        }

        .data-point .num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .data-point .lbl {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        @media (max-width:768px) {
            .scenario-block,
            .scenario-block.reverse {
                flex-direction: column;
                gap: 24px;
                padding: 24px;
            }
            .scenario-img {
                flex: 0 0 auto;
                width: 100%;
            }
            .scenario-img img {
                height: 180px;
            }
            .scenario-info h3 {
                font-size: 1.15rem;
            }
            .data-point .num {
                font-size: 1.3rem;
            }
        }

        /* ========== STATS / SOCIAL PROOF ========== */
        .social-proof {
            background: var(--color-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .social-proof::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(231, 76, 60, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .social-proof .section-label {
            color: var(--color-accent-light);
        }

        .social-proof .section-title {
            color: #fff;
        }

        .social-proof .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            height: 100%;
            backdrop-filter: blur(4px);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-4px);
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            margin-bottom: 14px;
            color: var(--color-accent-light);
        }

        .stat-card .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 4px;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .testimonial-card:hover {
            border-color: rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.07);
        }

        .testimonial-card .quote {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }

        .testimonial-card .author {
            font-weight: 600;
            color: #fff;
            font-size: 0.9rem;
        }

        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width:768px) {
            .stat-card .stat-num {
                font-size: 1.7rem;
            }
            .stat-card .stat-icon {
                font-size: 1.5rem;
            }
        }

        /* ========== DEEP ANALYSIS SECTION ========== */
        .deep-analysis {
            background: var(--color-bg);
        }

        .analysis-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .analysis-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-primary-light);
        }

        .analysis-card .ac-header {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .analysis-card .ac-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(192, 57, 43, 0.07);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .analysis-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-dark);
            margin: 0;
            letter-spacing: 0.02em;
        }

        .analysis-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }

        .analysis-card .ac-link {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .analysis-card .ac-link:hover {
            gap: 8px;
            color: var(--color-primary-hover);
        }

        /* ========== PROCESS STEPS ========== */
        .process-section {
            background: var(--color-bg-cream);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-num {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: -0.02em;
            transition: all var(--transition-smooth);
        }

        .step-item:hover .step-num {
            transform: scale(1.1);
            box-shadow: 0 6px 20px rgba(192, 57, 43, 0.35);
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .step-content p {
            font-size: 0.93rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width:768px) {
            .step-item {
                gap: 14px;
                padding: 18px 0;
            }
            .step-num {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .step-content h4 {
                font-size: 1rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg);
        }

        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-smooth);
            background: #fff;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-dark);
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            letter-spacing: 0.02em;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a30 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(231, 76, 60, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-family: var(--font-display);
            letter-spacing: 0.02em;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-cta-white {
            background: #fff;
            color: var(--color-primary);
            padding: 14px 34px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 6px 22px rgba(0, 0, 0, 0.3);
        }

        .btn-cta-white:hover {
            background: #f0f0f0;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            color: var(--color-primary-hover);
        }

        .btn-cta-outline-white {
            background: transparent;
            color: #fff;
            padding: 14px 34px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        @media (max-width:768px) {
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .cta-inner p {
                font-size: 0.95rem;
            }
            .btn-cta-white,
            .btn-cta-outline-white {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== STICKY BOTTOM BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 998;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-top: 1px solid var(--color-border);
            padding: 12px 24px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            transform: translateY(0);
            transition: transform var(--transition-smooth);
        }

        .sticky-bottom-bar.hidden {
            transform: translateY(100%);
        }

        .sticky-bottom-bar .bar-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-dark);
            letter-spacing: 0.02em;
        }

        .sticky-bottom-bar .bar-highlight {
            color: var(--color-primary);
            font-weight: 700;
        }

        .btn-sticky-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.35);
        }

        .btn-sticky-cta:hover {
            background: var(--color-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 22px rgba(192, 57, 43, 0.45);
            color: #fff;
        }

        @media (max-width:768px) {
            .sticky-bottom-bar {
                padding: 10px 16px;
                gap: 10px;
                flex-direction: column;
                text-align: center;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.85rem;
            }
            .btn-sticky-cta {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
            margin-bottom: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: inline-block;
            margin-bottom: 12px;
            font-family: var(--font-display);
        }

        .footer-brand .logo-text span {
            color: var(--color-primary-light);
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
            transition: all var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        @media (max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .site-footer {
                padding-bottom: 100px;
            }
        }

        @media (max-width:480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #c0392b;
            --color-primary-hover: #a93226;
            --color-primary-light: #e74c3c;
            --color-accent: #f0a500;
            --color-accent-light: #f7c948;
            --color-dark: #0d1117;
            --color-dark-secondary: #161b22;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a4a5a;
            --color-text-muted: #7a7a8a;
            --color-bg: #ffffff;
            --color-bg-alt: #f8f9fa;
            --color-bg-cream: #fefdf9;
            --color-border: #e8e8ec;
            --color-border-light: #f0f0f4;
            --color-success: #27ae60;
            --color-white: #ffffff;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', serif;
            --max-width: 1260px;
            --header-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            letter-spacing: 0.015em;
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: var(--header-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.3;
            color: var(--color-dark);
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            width: 100%;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            border-bottom-color: var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 1001;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-dark);
            white-space: nowrap;
            font-family: var(--font-display);
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 55%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: transform var(--transition-smooth);
        }

        .nav-links li a:hover {
            color: var(--color-primary);
            background: rgba(192, 57, 43, 0.04);
        }

        .nav-links li a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-links li a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--color-primary);
        }

        .nav-cta {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            letter-spacing: 0.03em !important;
            transition: all var(--transition-smooth) !important;
        }

        .nav-cta:hover {
            background: var(--color-primary-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(192, 57, 43, 0.35);
        }

        .nav-cta::after {
            display: none !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-dark);
            padding: 6px;
            z-index: 1001;
            cursor: pointer;
        }

        /* ========== HERO - 品牌旗舰店风格 ========== */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center 30%;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 17, 23, 0.72) 0%, rgba(13, 17, 23, 0.55) 40%, rgba(13, 17, 23, 0.78) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 60px 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
            line-height: 1.2;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .hero-title span {
            color: #f7c948;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.6;
            font-weight: 400;
        }

        /* 系列导航条叠在大图上 */
        .hero-category-nav {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
            margin-bottom: 32px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 30px;
            padding: 6px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-category-nav a {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 24px;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .hero-category-nav a:hover,
        .hero-category-nav a.active-cat {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            font-weight: 600;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .btn-hero-primary {
            background: var(--color-primary-light);
            color: #fff;
            padding: 14px 36px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            border: none;
            box-shadow: 0 6px 24px rgba(231, 76, 60, 0.4);
        }

        .btn-hero-primary:hover {
            background: #fff;
            color: var(--color-primary);
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(231, 76, 60, 0.5);
        }

        .btn-hero-outline {
            background: transparent;
            color: #fff;
            padding: 14px 36px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            border: 2px solid rgba(255, 255, 255, 0.65);
            transition: all var(--transition-smooth);
        }

        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        /* ========== SECTION 通用 ========== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-cream {
            background: var(--color-bg-cream);
        }

        .section-dark {
            background: var(--color-dark);
            color: #fff;
        }

        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header .section-desc {
            margin: 0 auto;
        }

        /* ========== 卖点卡片 ========== */
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            background: rgba(192, 57, 43, 0.08);
            color: var(--color-primary);
            transition: all var(--transition-smooth);
        }

        .feature-card:hover .feature-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .feature-card p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 场景卡片 ========== */
        .scenario-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .scenario-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .scenario-card:hover img {
            transform: scale(1.04);
        }

        .scenario-card-body {
            padding: 22px 20px;
        }

        .scenario-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .scenario-card-body p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.5;
        }

        /* ========== 训练体系 ========== */
        .training-system-block {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            border: 1px solid var(--color-border-light);
            margin-bottom: 20px;
            transition: all var(--transition-smooth);
            display: flex;
            gap: 24px;
            align-items: flex-start;
        }

        .training-system-block:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .training-system-number {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
        }

        .training-system-info h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .training-system-info p {
            color: var(--color-text-secondary);
            margin: 0;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* ========== 数据统计 ========== */
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 8px;
            font-family: var(--font-display);
        }

        .stat-number span {
            font-size: 1.5rem;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== 评价卡片 ========== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 4rem;
            color: var(--color-primary);
            opacity: 0.2;
            position: absolute;
            top: 8px;
            left: 16px;
            font-family: Georgia, serif;
            line-height: 1;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .testimonial-card p {
            font-style: italic;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-author small {
            display: block;
            font-weight: 400;
            color: var(--color-text-muted);
            font-size: 0.8rem;
        }

        .testimonial-stars {
            color: #f0a500;
            font-size: 0.85rem;
            margin-bottom: 6px;
        }

        /* ========== 流程步骤 ========== */
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 24px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-item:hover {
            padding-left: 8px;
        }

        .step-circle {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-dark);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            transition: all var(--transition-smooth);
        }

        .step-item:hover .step-circle {
            background: var(--color-primary);
            transform: scale(1.08);
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .step-content p {
            color: var(--color-text-secondary);
            margin: 0;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            transition: all var(--transition-fast);
            user-select: none;
            background: none;
            width: 100%;
            text-align: left;
            border: none;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a2e 50%, var(--color-dark-secondary) 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(231, 76, 60, 0.15) 0%, transparent 70%);
            top: -100px;
            right: -100px;
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }

        .btn-cta-large {
            background: var(--color-primary-light);
            color: #fff;
            padding: 16px 44px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            border: none;
            box-shadow: 0 8px 28px rgba(231, 76, 60, 0.45);
            position: relative;
            z-index: 1;
        }

        .btn-cta-large:hover {
            background: #fff;
            color: var(--color-primary);
            transform: translateY(-4px);
            box-shadow: 0 14px 40px rgba(231, 76, 60, 0.55);
        }

        /* ========== 底部固定转化条 ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 999;
            padding: 12px 24px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            transform: translateY(100%);
            transition: transform var(--transition-smooth);
            border-top: 1px solid var(--color-border-light);
        }

        .sticky-bottom-bar.visible {
            transform: translateY(0);
        }

        .sticky-bottom-bar .bar-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .sticky-bottom-bar .btn-bar-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 10px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            border: none;
            white-space: nowrap;
        }

        .sticky-bottom-bar .btn-bar-cta:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.4);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            margin-top: 10px;
            font-size: 0.88rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .hero-category-nav {
                gap: 4px;
                padding: 4px;
                border-radius: 24px;
            }
            .hero-category-nav a {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .training-system-block {
                flex-direction: column;
                gap: 14px;
                padding: 28px 22px;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 7px 10px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-110%);
                transition: transform var(--transition-smooth);
                z-index: 999;
                border-bottom: 1px solid var(--color-border);
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links li a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 0.9rem;
            }
            .nav-cta {
                text-align: center;
                margin-top: 6px;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-category-nav {
                flex-wrap: wrap;
                gap: 4px;
                border-radius: 20px;
                padding: 4px;
            }
            .hero-category-nav a {
                padding: 7px 12px;
                font-size: 0.75rem;
                border-radius: 18px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                gap: 10px;
                padding: 10px 16px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-category-nav a {
                padding: 6px 10px;
                font-size: 0.7rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .container {
                padding: 0 12px;
            }
            .header-inner {
                padding: 0 12px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #c0392b;
            --color-primary-hover: #a93226;
            --color-primary-light: #e74c3c;
            --color-accent: #f0a500;
            --color-accent-light: #f7c948;
            --color-dark: #0d1117;
            --color-dark-secondary: #161b22;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a4a5a;
            --color-text-muted: #7a7a8a;
            --color-bg: #ffffff;
            --color-bg-alt: #f8f9fa;
            --color-bg-cream: #fefdf9;
            --color-border: #e8e8ec;
            --color-border-light: #f0f0f4;
            --color-success: #27ae60;
            --color-white: #ffffff;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', serif;
            --max-width: 1260px;
            --header-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            letter-spacing: 0.015em;
            overflow-x: hidden;
            min-height: 100vh;
            padding-bottom: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            border-bottom-color: var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            z-index: 1001;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-dark);
            white-space: nowrap;
            font-family: var(--font-display);
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--color-primary);
            transition: transform var(--transition-smooth);
            border-radius: 1px;
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-links li a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-links li a:hover {
            color: var(--color-primary);
        }

        .nav-cta {
            background: var(--color-primary) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            letter-spacing: 0.03em !important;
            transition: all var(--transition-smooth) !important;
            margin-left: 6px;
        }

        .nav-cta:hover {
            background: var(--color-primary-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(192, 57, 43, 0.35);
        }

        .nav-cta::after {
            display: none !important;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 6px;
            z-index: 1001;
            transition: color var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            color: var(--color-primary);
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0d1117 0%, #161b22 40%, #1a1a2e 100%);
            color: #fff;
            padding: 80px 0 70px;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: -120px;
            width: 580px;
            height: 580px;
            background: radial-gradient(circle, rgba(231, 76, 60, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            line-height: 1.2;
            margin-bottom: 18px;
            font-family: var(--font-display);
            color: #fff;
        }

        .hero-content h1 .highlight {
            color: var(--color-primary-light);
            position: relative;
        }

        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: #c0c0cc;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .group-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(231, 76, 60, 0.2);
            border: 1px solid rgba(231, 76, 60, 0.4);
            border-radius: 24px;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #f0a0a0;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .group-progress-wrap {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            max-width: 440px;
        }

        .group-progress-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.9rem;
            color: #c0c0cc;
            margin-bottom: 10px;
            font-weight: 500;
        }

        .group-progress-label strong {
            color: #fff;
            font-size: 1.05rem;
        }

        .progress {
            height: 8px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.1);
            overflow: hidden;
            margin-bottom: 8px;
        }

        .progress-bar-custom {
            height: 100%;
            background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
            border-radius: 4px;
            transition: width var(--transition-smooth);
            animation: progressPulse 2s ease-in-out infinite;
        }

        @keyframes progressPulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.82;
            }
        }

        .group-count-row {
            display: flex;
            justify-content: space-between;
            font-size: 0.82rem;
            color: #a0a0b0;
            margin-top: 6px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: var(--color-primary-light);
            color: #fff;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(231, 76, 60, 0.35);
        }

        .btn-hero-primary:hover {
            background: #c0392b;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(231, 76, 60, 0.5);
            color: #fff;
        }

        .btn-hero-outline {
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            border: 2px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual .hero-img-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 2px solid rgba(255, 255, 255, 0.15);
            max-width: 420px;
            width: 100%;
            transition: transform var(--transition-smooth);
        }

        .hero-visual .hero-img-card:hover {
            transform: translateY(-6px);
        }

        .hero-visual .hero-img-card img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .floating-stat {
            position: absolute;
            background: rgba(255, 255, 255, 0.95);
            color: var(--color-text);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-lg);
            z-index: 3;
            text-align: center;
            border: 1px solid var(--color-border-light);
        }

        .floating-stat.top-right {
            top: -10px;
            right: -20px;
        }

        .floating-stat.bottom-left {
            bottom: -14px;
            left: -22px;
        }

        .floating-stat .stat-num {
            font-size: 1.5rem;
            color: var(--color-primary);
            display: block;
            font-weight: 800;
        }

        /* ========== SECTION COMMON ========== */
        .section-padding {
            padding: 70px 0;
        }

        .section-padding-lg {
            padding: 90px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: var(--color-dark);
            margin-bottom: 12px;
            font-family: var(--font-display);
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 8px;
            background: rgba(192, 57, 43, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
        }

        .section-header p {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            box-shadow: var(--shadow-card);
        }

        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }

        .card-custom .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .card-custom .card-icon.red {
            background: rgba(231, 76, 60, 0.1);
            color: var(--color-primary-light);
        }

        .card-custom .card-icon.gold {
            background: rgba(240, 165, 0, 0.12);
            color: var(--color-accent);
        }

        .card-custom .card-icon.green {
            background: rgba(39, 174, 96, 0.1);
            color: var(--color-success);
        }

        .card-custom h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-dark);
            letter-spacing: 0.02em;
        }

        .card-custom p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== SCENE SECTION ========== */
        .scene-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            padding: 40px 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .scene-block:last-child {
            border-bottom: none;
        }

        .scene-block.reverse {
            direction: ltr;
        }

        .scene-block.reverse .scene-text {
            order: 1;
        }

        .scene-block.reverse .scene-img {
            order: 2;
        }

        .scene-img img {
            border-radius: var(--radius-lg);
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            box-shadow: var(--shadow-md);
            transition: transform var(--transition-smooth);
        }

        .scene-img img:hover {
            transform: scale(1.02);
        }

        .scene-text .scene-num {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.05em;
            margin-bottom: 6px;
            display: block;
        }

        .scene-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .scene-text p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }

        /* ========== STATS SECTION ========== */
        .stats-section {
            background: var(--color-dark);
            color: #fff;
            padding: 60px 0;
            text-align: center;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .stat-item .stat-value {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: var(--color-primary-light);
            display: block;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            color: #c0c0cc;
            letter-spacing: 0.03em;
        }

        /* ========== TOPICS SECTION ========== */
        .topics-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .topic-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 16px 20px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
        }

        .topic-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .topic-item .topic-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
            color: var(--color-primary);
            font-weight: 700;
        }

        .topic-item .topic-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0;
            color: var(--color-dark);
        }

        .topic-item .topic-info span {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .topic-item .topic-count {
            margin-left: auto;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary);
            white-space: nowrap;
        }

        /* ========== GROUP DETAIL SECTION ========== */
        .group-detail-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            height: 100%;
            text-align: center;
        }

        .group-detail-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .group-detail-card .group-avatar {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            margin: 0 auto 16px;
            overflow: hidden;
            border: 3px solid var(--color-border-light);
        }

        .group-detail-card .group-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .group-detail-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 4px;
            color: var(--color-dark);
        }

        .group-detail-card .group-meta {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 12px;
        }

        .group-detail-card .group-progress-mini {
            margin-bottom: 14px;
        }

        .btn-join-group {
            background: var(--color-primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }

        .btn-join-group:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(192, 57, 43, 0.35);
            color: #fff;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 12px;
            right: 20px;
            font-size: 4rem;
            color: rgba(192, 57, 43, 0.08);
            font-weight: 800;
            line-height: 1;
            pointer-events: none;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-dark);
        }

        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg-cream);
            padding: 80px 0;
        }

        .accordion-custom .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-dark);
            padding: 18px 22px;
            background: #fff;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            border-radius: var(--radius-md) !important;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: #fff;
            box-shadow: none;
            border-bottom: 1px solid var(--color-border-light);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12);
            border-color: var(--color-primary);
        }

        .accordion-custom .accordion-body {
            padding: 18px 22px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section-alt {
            background: linear-gradient(150deg, #0d1117 0%, #1a1a2e 60%, #161b22 100%);
            color: #fff;
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section-alt::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(231, 76, 60, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section-alt h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }

        .cta-section-alt p {
            font-size: 1.1rem;
            color: #c0c0cc;
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            background: var(--color-primary-light);
            color: #fff;
            padding: 16px 40px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.04em;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            box-shadow: 0 8px 24px rgba(231, 76, 60, 0.4);
            position: relative;
            z-index: 2;
        }

        .btn-cta-large:hover {
            background: #c0392b;
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(231, 76, 60, 0.55);
            color: #fff;
        }

        /* ========== BOTTOM STICKY BAR ========== */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(13, 17, 23, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 14px 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            animation: slideUp 0.5s ease-out;
        }

        @keyframes slideUp {
            from {
                transform: translateY(100%);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .bottom-sticky-bar .sticky-info {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .bottom-sticky-bar .sticky-info strong {
            color: var(--color-primary-light);
            font-weight: 700;
        }

        .bottom-sticky-bar .sticky-highlight {
            background: rgba(231, 76, 60, 0.2);
            color: #f0a0a0;
            padding: 4px 14px;
            border-radius: 16px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .btn-sticky-cta {
            background: var(--color-primary-light);
            color: #fff;
            padding: 11px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(231, 76, 60, 0.4);
        }

        .btn-sticky-cta:hover {
            background: #c0392b;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(231, 76, 60, 0.55);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: #c0c0cc;
            padding: 50px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: #a0a0b0;
            line-height: 1.6;
            margin-top: 10px;
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #a0a0b0;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            font-size: 0.8rem;
            color: #888;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-left: auto;
        }

        .footer-bottom-links a {
            color: #888;
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }

            .hero-content .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }

            .group-progress-wrap {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }

            .hero-buttons {
                justify-content: center;
            }

            .hero-visual .hero-img-card {
                max-width: 340px;
                margin: 0 auto;
            }

            .floating-stat.top-right {
                right: 0;
            }

            .floating-stat.bottom-left {
                left: 0;
            }

            .scene-block {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }

            .scene-block.reverse .scene-text {
                order: 1;
            }

            .scene-block.reverse .scene-img {
                order: 2;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .topics-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links li a {
                display: block;
                padding: 12px 16px;
                width: 100%;
                border-radius: 8px;
                font-size: 0.95rem;
            }

            .nav-cta {
                text-align: center;
                margin-left: 0;
                margin-top: 6px;
            }

            .mobile-menu-btn {
                display: block;
            }

            .hero-section {
                padding: 50px 0 40px;
                min-height: auto;
            }

            .hero-content h1 {
                font-size: 2rem;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                max-width: 300px;
                text-align: center;
            }

            .section-header h2 {
                font-size: 1.7rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }

            .stat-item .stat-value {
                font-size: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .footer-bottom-links {
                margin-left: 0;
                justify-content: center;
            }

            .bottom-sticky-bar {
                flex-direction: column;
                gap: 10px;
                text-align: center;
                padding: 12px 16px;
            }

            .group-progress-wrap {
                padding: 16px;
            }

            .section-padding {
                padding: 40px 0;
            }

            .section-padding-lg {
                padding: 50px 0;
            }

            .group-detail-card {
                margin-bottom: 16px;
            }

            .container {
                padding: 0 16px;
            }

            .floating-stat {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }

            .hero-content .hero-subtitle {
                font-size: 0.95rem;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .card-custom {
                padding: 20px 16px;
            }

            .hero-buttons {
                gap: 10px;
            }

            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }

            .bottom-sticky-bar .sticky-info {
                font-size: 0.85rem;
            }

            .btn-sticky-cta {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
        }