/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3cf1;
            --primary-dark: #5228d0;
            --primary-light: #8b6bf7;
            --primary-gradient: linear-gradient(135deg, #6c3cf1 0%, #a855f7 100%);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #06b6d4;
            --dark: #0f0a1a;
            --dark-2: #1a1428;
            --dark-3: #241e3a;
            --text-primary: #f1f0f7;
            --text-secondary: #a8a3bf;
            --text-muted: #6b6590;
            --border-color: rgba(108, 60, 241, 0.2);
            --border-light: rgba(255, 255, 255, 0.08);
            --card-bg: rgba(26, 20, 40, 0.85);
            --card-bg-hover: rgba(36, 30, 58, 0.95);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(108, 60, 241, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--dark);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        input:focus,
        button:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        ::selection {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Container ===== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--dark-2);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--primary-light);
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 32px;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.8rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
        }

        /* ===== Navbar ===== */
        .navbar-custom {
            background: rgba(15, 10, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            padding: 0;
            transition: var(--transition);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: 72px;
        }

        .navbar-custom .container-custom {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary) !important;
            text-decoration: none;
            letter-spacing: -0.02em;
        }

        .navbar-brand-custom .brand-icon {
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }

        .navbar-brand-custom .brand-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-custom .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            height: 100%;
        }

        .navbar-custom .nav-list .nav-item {
            height: 100%;
            display: flex;
            align-items: center;
        }

        .navbar-custom .nav-list .nav-link {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .navbar-custom .nav-list .nav-link:hover {
            color: var(--text-primary);
            background: rgba(108, 60, 241, 0.1);
        }

        .navbar-custom .nav-list .nav-link.active {
            color: #fff;
            background: var(--primary-gradient);
            box-shadow: var(--shadow-glow);
        }

        .navbar-custom .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .navbar-custom .nav-cta .btn-download {
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-custom .nav-cta .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 60, 241, 0.4);
        }

        .navbar-custom .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .navbar-custom .nav-toggle:hover {
            background: rgba(108, 60, 241, 0.1);
        }

        /* 移动端导航菜单 */
        .navbar-custom .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(15, 10, 26, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            padding: 16px 24px;
            max-height: calc(100vh - 72px);
            overflow-y: auto;
            z-index: 1040;
            flex-direction: column;
            gap: 4px;
        }

        .navbar-custom .mobile-menu.open {
            display: flex;
        }

        .navbar-custom .mobile-menu .nav-link {
            color: var(--text-secondary);
            font-size: 1.05rem;
            font-weight: 500;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-custom .mobile-menu .nav-link:hover {
            color: var(--text-primary);
            background: rgba(108, 60, 241, 0.1);
        }

        .navbar-custom .mobile-menu .nav-link.active {
            color: #fff;
            background: var(--primary-gradient);
        }

        .navbar-custom .mobile-menu .btn-download {
            margin-top: 12px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
        }

        @media (max-width: 992px) {
            .navbar-custom .nav-list {
                display: none;
            }
            .navbar-custom .nav-cta .btn-download {
                display: none;
            }
            .navbar-custom .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            overflow: hidden;
            background: var(--dark);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            animation: heroParallax 20s ease-in-out infinite alternate;
        }

        @keyframes heroParallax {
            0% {
                transform: scale(1.05) translateY(0);
            }
            100% {
                transform: scale(1.1) translateY(-20px);
            }
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 10, 26, 0.92) 0%, rgba(15, 10, 26, 0.7) 50%, rgba(108, 60, 241, 0.15) 100%);
            z-index: 1;
        }

        .hero-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .hero-content {
            max-width: 720px;
        }

        .hero-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(108, 60, 241, 0.15);
            border: 1px solid rgba(108, 60, 241, 0.3);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 24px;
            backdrop-filter: blur(10px);
        }

        .hero-content .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-content h1 {
            font-size: 4rem;
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 20px;
            letter-spacing: -0.03em;
        }

        .hero-content h1 .highlight {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content .hero-desc {
            font-size: 1.2rem;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 36px;
            max-width: 580px;
        }

        .hero-content .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .hero-content .hero-actions .btn-primary-custom {
            padding: 16px 40px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 20px rgba(108, 60, 241, 0.3);
        }

        .hero-content .hero-actions .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 60, 241, 0.45);
        }

        .hero-content .hero-actions .btn-outline-custom {
            padding: 16px 36px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .hero-content .hero-actions .btn-outline-custom:hover {
            border-color: var(--primary);
            background: rgba(108, 60, 241, 0.1);
            transform: translateY(-3px);
        }

        .hero-content .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border-light);
        }

        .hero-content .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-content .hero-stats .stat-item .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .hero-content .hero-stats .stat-item .stat-number .stat-suffix {
            font-size: 1.2rem;
            color: var(--primary-light);
        }

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

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 100px 0 60px;
            }
            .hero-content h1 {
                font-size: 2.4rem;
            }
            .hero-content .hero-desc {
                font-size: 1rem;
            }
            .hero-content .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-content .hero-actions .btn-primary-custom,
            .hero-content .hero-actions .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .hero-content .hero-stats {
                gap: 24px;
                justify-content: space-between;
            }
            .hero-content .hero-stats .stat-item .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ===== Featured Categories ===== */
        .featured-section {
            padding: 100px 0;
            background: var(--dark-2);
            position: relative;
        }

        .featured-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        .category-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }

        .category-card:hover {
            background: var(--card-bg-hover);
            border-color: rgba(108, 60, 241, 0.3);
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            color: inherit;
        }

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

        .category-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(108, 60, 241, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary-light);
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .category-card:hover .card-icon {
            background: var(--primary-gradient);
            color: #fff;
        }

        .category-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        .category-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            transition: var(--transition);
        }

        .category-card:hover .card-tag {
            color: var(--secondary);
            gap: 10px;
        }

        @media (max-width: 992px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== About / Core ===== */
        .core-section {
            padding: 100px 0;
            background: var(--dark);
            position: relative;
        }

        .core-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-top: 48px;
        }

        .core-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-lg);
        }

        .core-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
            transition: var(--transition);
        }

        .core-image:hover img {
            transform: scale(1.03);
        }

        .core-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(108, 60, 241, 0.1), transparent);
            pointer-events: none;
        }

        .core-text .core-list {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .core-text .core-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }

        .core-text .core-list li i {
            color: var(--primary-light);
            font-size: 1.1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 992px) {
            .core-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .core-image {
                order: -1;
            }
            .core-image img {
                min-height: 260px;
            }
        }

        /* ===== Latest Posts ===== */
        .posts-section {
            padding: 100px 0;
            background: var(--dark-2);
            position: relative;
        }

        .posts-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

        .posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        .post-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .post-card:hover {
            background: var(--card-bg-hover);
            border-color: rgba(108, 60, 241, 0.25);
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            color: inherit;
        }

        .post-card .post-image {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .post-card .post-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .post-card:hover .post-image img {
            transform: scale(1.05);
        }

        .post-card .post-image .post-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            background: var(--primary-gradient);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #fff;
            z-index: 2;
        }

        .post-card .post-body {
            padding: 20px 24px 24px;
        }

        .post-card .post-body .post-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .post-card .post-body .post-meta i {
            margin-right: 4px;
        }

        .post-card .post-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card .post-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 0;
        }

        .posts-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        .posts-empty i {
            font-size: 3rem;
            display: block;
            margin-bottom: 16px;
            color: var(--text-muted);
        }

        @media (max-width: 992px) {
            .posts-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .posts-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Features / Data ===== */
        .features-section {
            padding: 100px 0;
            background: var(--dark);
            position: relative;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        .feature-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
        }

        .feature-item:hover {
            background: var(--card-bg-hover);
            border-color: rgba(108, 60, 241, 0.25);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .feature-item .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(108, 60, 241, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary-light);
            margin: 0 auto 20px;
            transition: var(--transition);
        }

        .feature-item:hover .feature-icon {
            background: var(--primary-gradient);
            color: #fff;
            transform: scale(1.1);
        }

        .feature-item .feature-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .feature-item .feature-number .num-suffix {
            font-size: 1.2rem;
            color: var(--primary-light);
        }

        .feature-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .feature-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 992px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Process / Steps ===== */
        .process-section {
            padding: 100px 0;
            background: var(--dark-2);
            position: relative;
        }

        .process-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--primary));
            opacity: 0.2;
        }

        .step-item {
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-item .step-number {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--card-bg);
            border: 2px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-light);
            margin: 0 auto 20px;
            transition: var(--transition);
        }

        .step-item:hover .step-number {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #fff;
            transform: scale(1.08);
            box-shadow: 0 0 30px rgba(108, 60, 241, 0.3);
        }

        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
            max-width: 240px;
            margin: 0 auto;
        }

        @media (max-width: 992px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .process-steps::before {
                display: none;
            }
        }

        @media (max-width: 576px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 100px 0;
            background: var(--dark);
            position: relative;
        }

        .faq-grid {
            max-width: 800px;
            margin: 48px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(108, 60, 241, 0.2);
        }

        .faq-item .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 16px;
            user-select: none;
            transition: var(--transition);
        }

        .faq-item .faq-question:hover {
            background: rgba(108, 60, 241, 0.05);
        }

        .faq-item .faq-question h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0;
            color: var(--text-primary);
        }

        .faq-item .faq-question .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(108, 60, 241, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item.active .faq-question .faq-toggle {
            background: var(--primary-gradient);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-item .faq-answer p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--dark-2);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.1;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 10, 26, 0.9), rgba(108, 60, 241, 0.1));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-content .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .cta-content .cta-actions .btn-cta-primary {
            padding: 18px 44px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 20px rgba(108, 60, 241, 0.3);
        }

        .cta-content .cta-actions .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 60, 241, 0.45);
        }

        .cta-content .cta-actions .btn-cta-secondary {
            padding: 18px 40px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.1rem;
            border: 2px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .cta-content .cta-actions .btn-cta-secondary:hover {
            border-color: var(--primary);
            background: rgba(108, 60, 241, 0.1);
            transform: translateY(-3px);
        }

        @media (max-width: 576px) {
            .cta-content h2 {
                font-size: 1.8rem;
            }
            .cta-content .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-content .cta-actions .btn-cta-primary,
            .cta-content .cta-actions .btn-cta-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--dark-2);
            border-top: 1px solid var(--border-light);
            padding: 60px 0 30px;
            position: relative;
        }

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

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-primary);
            text-decoration: none;
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
        }

        .footer-brand .footer-logo .brand-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            padding-top: 30px;
            border-top: 1px solid var(--border-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

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

        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            text-decoration: none;
            transition: var(--transition);
        }

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

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Back to Top ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            cursor: pointer;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }

        /* ===== Responsive Utilities ===== */
        @media (max-width: 768px) {
            .featured-section,
            .core-section,
            .posts-section,
            .features-section,
            .process-section,
            .faq-section,
            .cta-section {
                padding: 60px 0;
            }
        }

        /* ===== Bootstrap Overrides ===== */
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--primary-gradient);
            border: none;
            box-shadow: 0 4px 16px rgba(108, 60, 241, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 60, 241, 0.4);
            background: var(--primary-gradient);
        }

        .btn-outline-light {
            border-color: var(--border-color);
            color: var(--text-primary);
        }

        .btn-outline-light:hover {
            background: rgba(108, 60, 241, 0.1);
            border-color: var(--primary);
            color: #fff;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3cf1;
            --primary-dark: #5228c9;
            --primary-light: #8b6cf7;
            --primary-gradient: linear-gradient(135deg, #6c3cf1 0%, #3b82f6 100%);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #10b981;
            --bg-dark: #0f0a1e;
            --bg-darker: #0a0718;
            --bg-card: #1a1230;
            --bg-card-hover: #22183d;
            --bg-section: #120c24;
            --bg-section-alt: #1a1230;
            --text-primary: #f1f0ff;
            --text-secondary: #c4b8e8;
            --text-muted: #8a7ab5;
            --border-color: #2d2048;
            --border-light: #3d2d5a;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(108, 60, 241, 0.08);
            --shadow-md: 0 8px 24px rgba(108, 60, 241, 0.12);
            --shadow-lg: 0 16px 48px rgba(108, 60, 241, 0.18);
            --shadow-glow: 0 0 30px rgba(108, 60, 241, 0.15);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 5rem;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        /* ===== Container ===== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        h1 {
            font-size: 3rem;
        }
        h2 {
            font-size: 2.25rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.25rem;
        }
        h5 {
            font-size: 1.1rem;
        }
        h6 {
            font-size: 1rem;
        }

        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title h2 {
            font-size: 2.25rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }

        .section-title p {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-top: 0.75rem;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 导航栏 ===== */
        .navbar-custom {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(15, 10, 30, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(45, 32, 72, 0.5);
            padding: 0;
            height: 70px;
            display: flex;
            align-items: center;
        }

        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .navbar-brand-custom .brand-icon {
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 4px 12px rgba(108, 60, 241, 0.3);
        }

        .navbar-brand-custom .brand-text {
            font-size: 1.35rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }

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

        .nav-item .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
        }

        .nav-item .nav-link i {
            font-size: 0.85rem;
        }

        .nav-item .nav-link:hover {
            color: var(--text-primary);
            background: rgba(108, 60, 241, 0.1);
        }

        .nav-item .nav-link.active {
            color: #fff;
            background: var(--primary-gradient);
            box-shadow: 0 4px 16px rgba(108, 60, 241, 0.3);
        }

        .nav-cta {
            flex-shrink: 0;
            margin-left: 8px;
        }

        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(108, 60, 241, 0.25);
        }

        .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 60, 241, 0.35);
            color: #fff;
        }

        .btn-download:active {
            transform: translateY(0);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(108, 60, 241, 0.1);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 70px;
            left: 0;
            right: 0;
            background: rgba(15, 10, 30, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
            z-index: 1040;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link,
        .mobile-menu .btn-download {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 1rem;
            text-decoration: none;
            transition: var(--transition);
        }

        .mobile-menu .nav-link:hover {
            color: var(--text-primary);
            background: rgba(108, 60, 241, 0.08);
        }

        .mobile-menu .nav-link.active {
            color: #fff;
            background: var(--primary-gradient);
        }

        .mobile-menu .btn-download {
            margin-top: 8px;
            justify-content: center;
        }

        /* ===== Banner ===== */
        .page-banner {
            position: relative;
            padding: 6rem 0 5rem;
            background: var(--bg-darker);
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 10, 30, 0.7) 0%, rgba(15, 10, 30, 0.95) 100%);
            z-index: 1;
        }

        .page-banner .container-custom {
            position: relative;
            z-index: 2;
        }

        .page-banner h1 {
            font-size: 2.75rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-banner p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.8;
        }

        .page-banner .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
        }

        .page-banner .breadcrumb-custom a {
            color: var(--text-muted);
        }

        .page-banner .breadcrumb-custom a:hover {
            color: var(--primary-light);
        }

        .page-banner .breadcrumb-custom span {
            color: var(--text-secondary);
        }

        .page-banner .breadcrumb-custom .separator {
            color: var(--text-muted);
            margin: 0 4px;
        }

        /* ===== 攻略分类标签 ===== */
        .guide-tabs {
            padding: 2.5rem 0 1rem;
            background: var(--bg-section);
        }

        .guide-tabs .tab-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .guide-tabs .tab-item {
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--bg-card);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .guide-tabs .tab-item:hover {
            border-color: var(--primary);
            color: var(--text-primary);
            background: rgba(108, 60, 241, 0.08);
        }

        .guide-tabs .tab-item.active {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 16px rgba(108, 60, 241, 0.3);
        }

        .guide-tabs .tab-item i {
            font-size: 0.85rem;
        }

        /* ===== 攻略列表 ===== */
        .guide-list-section {
            padding: var(--spacing-section) 0;
            background: var(--bg-section);
        }

        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            background: var(--bg-card-hover);
        }

        .guide-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .guide-card .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 0.75rem;
        }

        .guide-card .card-tag {
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(108, 60, 241, 0.12);
            color: var(--primary-light);
            border: 1px solid rgba(108, 60, 241, 0.2);
        }

        .guide-card .card-tag.hot {
            background: rgba(245, 158, 11, 0.12);
            color: var(--secondary);
            border-color: rgba(245, 158, 11, 0.2);
        }

        .guide-card .card-tag.new {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent);
            border-color: rgba(16, 185, 129, 0.2);
        }

        .guide-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }

        .guide-card h3 a {
            color: var(--text-primary);
            text-decoration: none;
        }

        .guide-card h3 a:hover {
            color: var(--primary-light);
        }

        .guide-card .card-text {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 1rem;
        }

        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1rem;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .guide-card .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .guide-card .card-meta i {
            margin-right: 4px;
            font-size: 0.8rem;
        }

        .guide-card .card-meta .read-more {
            color: var(--primary-light);
            font-weight: 500;
            transition: var(--transition);
        }

        .guide-card .card-meta .read-more:hover {
            color: var(--secondary);
        }

        /* ===== 热门攻略排行 ===== */
        .hot-guides {
            padding: var(--spacing-section) 0;
            background: var(--bg-section-alt);
            position: relative;
        }

        .hot-guides::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.05;
            z-index: 0;
        }

        .hot-guides .container-custom {
            position: relative;
            z-index: 1;
        }

        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: default;
        }

        .rank-item:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .rank-number {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            background: rgba(108, 60, 241, 0.12);
            color: var(--primary-light);
            flex-shrink: 0;
        }

        .rank-item:nth-child(1) .rank-number {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 12px rgba(108, 60, 241, 0.3);
        }

        .rank-item:nth-child(2) .rank-number {
            background: linear-gradient(135deg, #8b6cf7, #6c3cf1);
            color: #fff;
        }

        .rank-item:nth-child(3) .rank-number {
            background: linear-gradient(135deg, #a78bfa, #8b6cf7);
            color: #fff;
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .rank-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-stats {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .rank-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .rank-stats i {
            font-size: 0.8rem;
        }

        .rank-badge {
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(245, 158, 11, 0.12);
            color: var(--secondary);
            border: 1px solid rgba(245, 158, 11, 0.2);
            flex-shrink: 0;
        }

        .rank-badge.hot {
            background: rgba(239, 68, 68, 0.12);
            color: #ef4444;
            border-color: rgba(239, 68, 68, 0.2);
        }

        .rank-badge.top {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent);
            border-color: rgba(16, 185, 129, 0.2);
        }

        /* ===== 攻略分类区块 ===== */
        .guide-categories {
            padding: var(--spacing-section) 0;
            background: var(--bg-section);
        }

        .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-decoration: none;
        }

        .cat-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            background: var(--bg-card-hover);
        }

        .cat-card .cat-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: rgba(108, 60, 241, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary-light);
            margin-bottom: 1rem;
            transition: var(--transition);
        }

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

        .cat-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .cat-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        .cat-card .cat-count {
            margin-top: 0.75rem;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(108, 60, 241, 0.08);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
        }

        /* ===== 攻略技巧 ===== */
        .tips-section {
            padding: var(--spacing-section) 0;
            background: var(--bg-section-alt);
        }

        .tip-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 1.75rem;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .tip-card:hover {
            border-color: var(--border-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .tip-card .tip-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(108, 60, 241, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary-light);
            margin-bottom: 1rem;
        }

        .tip-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .tip-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--spacing-section) 0;
            background: var(--bg-section);
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            user-select: none;
            gap: 12px;
        }

        .faq-question h5 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0;
            color: var(--text-primary);
        }

        .faq-question .faq-toggle {
            font-size: 1rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        .faq-answer p {
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 4rem 0;
            background: var(--bg-darker);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(108, 60, 241, 0.05) 0%, transparent 100%);
            z-index: 1;
        }

        .cta-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .cta-content {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .cta-content p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        .cta-content .btn-group-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            color: #fff !important;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: 0 4px 20px rgba(108, 60, 241, 0.3);
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(108, 60, 241, 0.4);
            color: #fff;
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--text-primary) !important;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid var(--border-light);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-outline-custom:hover {
            border-color: var(--primary);
            background: rgba(108, 60, 241, 0.08);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 4rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 3rem;
        }

        .footer-brand .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            margin-bottom: 1rem;
        }

        .footer-brand .footer-logo .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
        }

        .footer-brand .footer-logo .brand-text {
            font-size: 1.25rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            margin: 0;
            max-width: 360px;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
            color: var(--text-primary);
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            text-decoration: none;
        }

        .footer-col ul li a i {
            font-size: 0.7rem;
            color: var(--primary-light);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            padding: 1.5rem 0;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

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

        .footer-links {
            display: flex;
            gap: 20px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .page-banner h1 {
                font-size: 2.25rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 3.5rem;
            }

            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.75rem;
            }
            h3 {
                font-size: 1.3rem;
            }

            .nav-list {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .page-banner {
                padding: 4rem 0 3rem;
            }

            .page-banner h1 {
                font-size: 1.75rem;
            }

            .page-banner p {
                font-size: 1rem;
            }

            .section-title h2 {
                font-size: 1.75rem;
            }

            .guide-tabs .tab-list {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 8px;
                justify-content: flex-start;
                -webkit-overflow-scrolling: touch;
            }

            .guide-tabs .tab-item {
                flex-shrink: 0;
                padding: 8px 18px;
                font-size: 0.85rem;
            }

            .rank-item {
                flex-wrap: wrap;
                padding: 12px 16px;
            }

            .rank-stats {
                width: 100%;
                justify-content: flex-start;
                padding-top: 8px;
                border-top: 1px solid var(--border-color);
                margin-top: 4px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-links {
                justify-content: center;
            }

            .cta-content h2 {
                font-size: 1.5rem;
            }

            .cta-content .btn-group-custom {
                flex-direction: column;
                align-items: center;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .page-banner h1 {
                font-size: 1.5rem;
            }

            .section-title h2 {
                font-size: 1.4rem;
            }

            .guide-card .card-body {
                padding: 1.25rem;
            }

            .rank-info h4 {
                font-size: 0.9rem;
            }

            .rank-stats {
                font-size: 0.8rem;
                gap: 10px;
            }

            .rank-badge {
                font-size: 0.7rem;
                padding: 2px 10px;
            }

            .faq-question {
                padding: 1rem 1.25rem;
            }

            .faq-question h5 {
                font-size: 0.9rem;
            }

            .faq-answer {
                padding: 0 1.25rem 1rem;
                font-size: 0.85rem;
            }

            .btn-primary-custom,
            .btn-outline-custom {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 辅助类 ===== */
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .mb-3 {
            margin-bottom: 1.5rem;
        }
        .mb-4 {
            margin-bottom: 2rem;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mt-3 {
            margin-top: 1.5rem;
        }
        .mt-4 {
            margin-top: 2rem;
        }

        .text-center {
            text-align: center;
        }

        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .gap-3 {
            gap: 1.5rem;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f1724;
            --primary-light: #1e293b;
            --secondary: #3b82f6;
            --secondary-hover: #2563eb;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f1724;
            --bg-section-alt: #f1f5f9;
            --text-primary: #1e293b;
            --text-secondary: #64748b;
            --text-light: #94a3b8;
            --text-white: #f8fafc;
            --border-color: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 76px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            padding-top: var(--header-height);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--secondary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--secondary-hover); }
        a:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; border-radius: 4px; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; padding: 0; margin: 0; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: clamp(1.75rem, 4.5vw, 3rem); }
        h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
        h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
        h4 { font-size: 1.15rem; }
        h5 { font-size: 1rem; }
        p { margin-bottom: 0; }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        @media (max-width: 768px) { .container-custom { padding: 0 16px; } }

        /* ===== Header / Nav ===== */
        .navbar-custom {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1050;
            background: rgba(15, 23, 36, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition);
        }
        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.3px;
            white-space: nowrap;
            transition: opacity var(--transition);
        }
        .navbar-brand-custom:hover { color: var(--accent); opacity: 0.92; }
        .navbar-brand-custom .brand-icon { font-size: 1.4rem; color: var(--accent); }
        .navbar-brand-custom .brand-text { background: linear-gradient(135deg, #fff 40%, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-list { display: flex; align-items: center; gap: 8px; margin: 0; padding: 0; list-style: none; }
        .nav-item { margin: 0; }
        .nav-link {
            display: flex; align-items: center; gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-link i { font-size: 0.85rem; }
        .nav-link:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
        .nav-link.active { color: var(--text-white); background: rgba(59,130,246,0.15); }
        .nav-link.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 2px; border-radius: 2px; background: var(--secondary); }
        .nav-link:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }
        .nav-cta { display: flex; align-items: center; }
        .btn-download {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #0f1724 !important;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 4px 15px rgba(245,158,11,0.35);
            white-space: nowrap;
        }
        .btn-download:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(245,158,11,0.45); color: #0f1724 !important; }
        .btn-download:active { transform: translateY(0); }
        .btn-download:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
        .btn-download i { font-size: 0.9rem; }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover { background: rgba(255,255,255,0.08); }
        .nav-toggle:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0; right: 0;
            background: rgba(15, 23, 36, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 20px 24px 28px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            flex-direction: column;
            gap: 8px;
            z-index: 1040;
            box-shadow: var(--shadow-lg);
        }
        .mobile-menu.open { display: flex; }
        .mobile-menu .nav-link {
            padding: 12px 16px;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            color: var(--text-light);
        }
        .mobile-menu .nav-link:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
        .mobile-menu .nav-link.active { color: var(--text-white); background: rgba(59,130,246,0.15); }
        .mobile-menu .btn-download {
            margin-top: 12px;
            justify-content: center;
            padding: 14px 22px;
        }
        @media (max-width: 992px) {
            .nav-list, .nav-cta { display: none; }
            .nav-toggle { display: block; }
        }
        @media (min-width: 993px) {
            .mobile-menu { display: none !important; }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,36,0.88) 0%, rgba(15,23,36,0.72) 60%, rgba(59,130,246,0.25) 100%);
            z-index: 1;
        }
        .article-hero .container-custom { position: relative; z-index: 2; width: 100%; }
        .article-hero-breadcrumb {
            display: flex; align-items: center; gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-hero-breadcrumb a { color: var(--text-light); transition: color var(--transition); }
        .article-hero-breadcrumb a:hover { color: var(--accent); }
        .article-hero-breadcrumb span { color: var(--text-white); opacity: 0.7; }
        .article-hero-breadcrumb i { font-size: 0.7rem; color: var(--text-light); }
        .article-hero-category {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 4px 14px;
            border-radius: 20px;
            background: rgba(59,130,246,0.2);
            color: var(--secondary);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 16px;
            border: 1px solid rgba(59,130,246,0.2);
        }
        .article-hero-category i { font-size: 0.75rem; }
        .article-hero h1 {
            color: var(--text-white);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            max-width: 900px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .article-hero-meta {
            display: flex; flex-wrap: wrap; gap: 20px;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }
        .article-hero-meta span { display: flex; align-items: center; gap: 6px; }
        .article-hero-meta i { font-size: 0.85rem; color: var(--accent); }
        .article-hero-meta .meta-stat { font-weight: 600; color: var(--text-white); }
        @media (max-width: 768px) {
            .article-hero { padding: 60px 0 40px; min-height: 260px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-hero-meta { gap: 12px; font-size: 0.8rem; }
        }
        @media (max-width: 520px) {
            .article-hero { padding: 48px 0 32px; min-height: 220px; }
            .article-hero h1 { font-size: 1.3rem; }
            .article-hero-meta { flex-direction: column; gap: 6px; }
        }

        /* ===== Article Main ===== */
        .article-main { padding: 48px 0 60px; }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-body { min-width: 0; }
        .article-sidebar { position: sticky; top: calc(var(--header-height) + 24px); align-self: start; }
        @media (max-width: 992px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { position: static; }
        }

        /* Article Content */
        .article-content-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            padding: 40px;
        }
        .article-content-card .article-toc {
            background: var(--bg-section-alt);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 32px;
            border-left: 4px solid var(--secondary);
        }
        .article-content-card .article-toc h5 {
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
        }
        .article-content-card .article-toc h5 i { color: var(--secondary); }
        .article-content-card .article-toc ul { padding-left: 20px; list-style: disc; }
        .article-content-card .article-toc ul li { margin-bottom: 6px; }
        .article-content-card .article-toc ul li a { color: var(--text-secondary); font-size: 0.9rem; }
        .article-content-card .article-toc ul li a:hover { color: var(--secondary); }
        .article-content-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-content-body h2, .article-content-body h3, .article-content-body h4 {
            margin-top: 32px;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .article-content-body h2 { font-size: 1.5rem; border-bottom: 2px solid var(--border-color); padding-bottom: 8px; }
        .article-content-body h3 { font-size: 1.25rem; }
        .article-content-body p { margin-bottom: 16px; }
        .article-content-body ul, .article-content-body ol { margin-bottom: 16px; padding-left: 24px; list-style: disc; }
        .article-content-body ol { list-style: decimal; }
        .article-content-body li { margin-bottom: 6px; }
        .article-content-body img { border-radius: var(--radius-md); margin: 24px 0; box-shadow: var(--shadow-md); max-width: 100%; }
        .article-content-body blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--bg-section-alt);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content-body a { color: var(--secondary); text-decoration: underline; text-underline-offset: 2px; }
        .article-content-body a:hover { color: var(--secondary-hover); }
        .article-content-body code {
            background: var(--bg-section-alt);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--accent-hover);
        }
        .article-content-body pre {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 24px 0;
            font-size: 0.9rem;
        }
        .article-content-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .article-content-body th, .article-content-body td {
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            text-align: left;
        }
        .article-content-body th { background: var(--bg-section-alt); font-weight: 700; }
        .article-content-body .cms-safe-content { width: 100%; max-width: 100%; }
        @media (max-width: 768px) {
            .article-content-card { padding: 24px 20px; }
            .article-content-body { font-size: 1rem; }
        }

        /* Article Tags & Share */
        .article-tags-share {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-tag {
            display: inline-flex; align-items: center; gap: 4px;
            padding: 4px 14px;
            border-radius: 20px;
            background: var(--bg-section-alt);
            color: var(--text-secondary);
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid var(--border-color);
        }
        .article-tag:hover { background: var(--secondary); color: #fff; border-color: var(--secondary); }
        .article-share { display: flex; align-items: center; gap: 8px; }
        .article-share span { font-size: 0.85rem; color: var(--text-secondary); font-weight: 500; }
        .share-btn {
            display: inline-flex; align-items: center; justify-content: center;
            width: 36px; height: 36px;
            border-radius: 50%;
            background: var(--bg-section-alt);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            font-size: 0.9rem;
            cursor: pointer;
        }
        .share-btn:hover { background: var(--secondary); color: #fff; border-color: var(--secondary); transform: translateY(-2px); }
        .share-btn:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }
        @media (max-width: 520px) {
            .article-tags-share { flex-direction: column; align-items: flex-start; }
        }

        /* Sidebar */
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            padding: 24px;
            margin-bottom: 20px;
        }
        .sidebar-card h5 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        .sidebar-card h5 i { color: var(--secondary); }
        .sidebar-related-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
            cursor: pointer;
        }
        .sidebar-related-item:last-child { border-bottom: none; padding-bottom: 0; }
        .sidebar-related-item:hover .sidebar-related-title { color: var(--secondary); }
        .sidebar-related-img {
            width: 70px; height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-section-alt);
        }
        .sidebar-related-info { flex: 1; min-width: 0; }
        .sidebar-related-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            transition: color var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-related-meta {
            font-size: 0.75rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--bg-dark), var(--primary-light));
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            color: var(--text-white);
        }
        .sidebar-cta h5 { color: var(--text-white); border-bottom: none; justify-content: center; }
        .sidebar-cta p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 16px; }
        .sidebar-cta .btn-download { width: 100%; justify-content: center; }
        @media (max-width: 992px) {
            .sidebar-card { padding: 20px; }
            .sidebar-related-img { width: 60px; height: 48px; }
        }

        /* ===== Related Section ===== */
        .section-related {
            padding: 60px 0;
            background: var(--bg-section-alt);
        }
        .section-related .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-related .section-title h2 {
            font-weight: 800;
            color: var(--primary);
        }
        .section-related .section-title p {
            color: var(--text-secondary);
            margin-top: 8px;
            font-size: 1rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--bg-section-alt);
            transition: transform var(--transition);
        }
        .related-card:hover .related-card-img { transform: scale(1.03); }
        .related-card-body { padding: 18px 20px 22px; }
        .related-card-category {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 12px;
            background: rgba(59,130,246,0.1);
            color: var(--secondary);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .related-card-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card:hover .related-card-title { color: var(--secondary); }
        .related-card-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-card-meta i { font-size: 0.75rem; }
        @media (max-width: 992px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
        }
        @media (max-width: 520px) {
            .related-grid { grid-template-columns: 1fr; gap: 16px; }
            .related-card-img { height: 200px; }
        }

        /* ===== FAQ Section ===== */
        .section-faq {
            padding: 60px 0;
            background: var(--bg-card);
        }
        .section-faq .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-faq .section-title h2 { font-weight: 800; color: var(--primary); }
        .section-faq .section-title p { color: var(--text-secondary); margin-top: 8px; font-size: 1rem; }
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            background: var(--bg-body);
        }
        .faq-item:hover { border-color: var(--secondary); }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition);
        }
        .faq-question:hover { color: var(--secondary); }
        .faq-question:focus-visible { outline: 2px solid var(--secondary); outline-offset: -2px; }
        .faq-question i { font-size: 0.85rem; color: var(--text-light); transition: transform var(--transition); }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--secondary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }
        @media (max-width: 768px) {
            .faq-question { padding: 14px 16px; font-size: 0.9rem; }
            .faq-answer { padding: 0 16px; font-size: 0.85rem; }
            .faq-item.open .faq-answer { padding: 0 16px 14px; }
        }

        /* ===== CTA Section ===== */
        .section-cta {
            padding: 60px 0;
            background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative;
        }
        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,36,0.9), rgba(15,23,36,0.7));
            z-index: 1;
        }
        .section-cta .container-custom { position: relative; z-index: 2; text-align: center; }
        .section-cta h2 { color: var(--text-white); font-weight: 800; margin-bottom: 16px; }
        .section-cta p { color: var(--text-light); font-size: 1.05rem; max-width: 600px; margin: 0 auto 28px; }
        .section-cta .btn-download {
            font-size: 1.05rem;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
        }
        .section-cta .btn-download i { font-size: 1rem; }
        .cta-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .cta-stat-item { text-align: center; }
        .cta-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .cta-stat-label { font-size: 0.85rem; color: var(--text-light); margin-top: 4px; }
        @media (max-width: 768px) {
            .section-cta { padding: 48px 0; }
            .cta-stats { gap: 28px; }
            .cta-stat-number { font-size: 1.6rem; }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 56px 0 28px;
            color: var(--text-light);
        }
        .footer .container-custom { width: 100%; }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            margin-bottom: 24px;
        }
        .footer-brand .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo .brand-icon { color: var(--accent); font-size: 1.3rem; }
        .footer-brand .footer-logo .brand-text { background: linear-gradient(135deg, #fff 40%, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: var(--text-light); max-width: 360px; }
        .footer-col h5 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            color: var(--text-light);
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .footer-col ul li a i { font-size: 0.7rem; color: var(--text-secondary); transition: color var(--transition); }
        .footer-col ul li a:hover { color: var(--accent); transform: translateX(4px); }
        .footer-col ul li a:hover i { color: var(--accent); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .footer-bottom p { margin: 0; font-size: 0.82rem; }
        .footer-links { display: flex; gap: 20px; }
        .footer-links a { color: var(--text-light); font-size: 0.82rem; transition: color var(--transition); }
        .footer-links a:hover { color: var(--accent); }
        @media (max-width: 992px) {
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .footer-links { justify-content: center; }
        }

        /* ===== Not Found State ===== */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-not-found i { font-size: 3rem; color: var(--text-light); margin-bottom: 16px; }
        .article-not-found h3 { color: var(--text-primary); margin-bottom: 12px; }
        .article-not-found p { color: var(--text-secondary); margin-bottom: 24px; }
        .article-not-found .btn-home {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
            transition: all var(--transition);
        }
        .article-not-found .btn-home:hover { background: var(--secondary-hover); color: #fff; transform: translateY(-2px); }

        /* ===== Extra Utilities ===== */
        .text-gradient { background: linear-gradient(135deg, var(--secondary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .mb-0 { margin-bottom: 0; }
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .gap-1 { gap: 8px; }
        .gap-2 { gap: 16px; }

        /* Print styles */
        @media print {
            .navbar-custom, .footer, .section-related, .section-faq, .section-cta, .article-sidebar, .article-tags-share { display: none; }
            body { padding-top: 0; background: #fff; }
            .article-hero { background: #f8fafc !important; min-height: auto; padding: 40px 0; }
            .article-hero::before { display: none; }
            .article-hero h1 { color: #1e293b; text-shadow: none; }
            .article-hero-meta { color: #64748b; }
            .article-hero-meta .meta-stat { color: #1e293b; }
            .article-content-card { box-shadow: none; border: 1px solid #e2e8f0; }
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e74c3c;
            --primary-dark: #c0392b;
            --primary-light: #f1948a;
            --secondary: #f39c12;
            --secondary-dark: #e67e22;
            --accent: #2ecc71;
            --dark: #1a1a2e;
            --dark-alt: #16213e;
            --darker: #0f0f1a;
            --bg: #f8f9fa;
            --bg-alt: #ffffff;
            --text: #2c3e50;
            --text-light: #7f8c8d;
            --text-white: #ffffff;
            --border: #e0e0e0;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --radius-sm: 8px;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            --container-w: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; padding: 0; margin: 0; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--dark); }
        .container-custom { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }

        /* ===== Header / Navbar ===== */
        .navbar-custom {
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-h);
            display: flex;
            align-items: center;
        }
        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--dark);
        }
        .navbar-brand-custom:hover { color: var(--primary); }
        .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
        }
        .brand-text { letter-spacing: -0.5px; }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-item { position: relative; }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            color: var(--text);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .nav-link i { font-size: 0.9rem; color: var(--text-light); transition: var(--transition); }
        .nav-link:hover { background: rgba(231, 76, 60, 0.06); color: var(--primary); }
        .nav-link:hover i { color: var(--primary); }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
        }
        .nav-link.active i { color: #fff; }
        .nav-cta { margin-left: 12px; }
        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 4px 16px rgba(231, 76, 60, 0.35);
            transition: var(--transition);
            border: none;
        }
        .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(231, 76, 60, 0.45);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--dark);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover { background: rgba(0,0,0,0.04); }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: var(--bg-alt);
            border-bottom: 2px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 16px 24px;
            flex-direction: column;
            gap: 8px;
            z-index: 999;
        }
        .mobile-menu.open { display: flex; }
        .mobile-menu .nav-link {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
        }
        .mobile-menu .btn-download {
            margin-top: 8px;
            justify-content: center;
            padding: 14px;
            font-size: 1rem;
        }

        /* ===== Hero / Banner ===== */
        .hero-download {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--darker) 0%, var(--dark-alt) 50%, var(--dark) 100%);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .hero-download::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .hero-download::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(231,76,60,0.25) 0%, transparent 70%);
        }
        .hero-download .container-custom { position: relative; z-index: 2; }
        .hero-download .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(231,76,60,0.2);
            border: 1px solid rgba(231,76,60,0.3);
            border-radius: 50px;
            color: var(--primary-light);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-download .hero-badge i { font-size: 0.8rem; }
        .hero-download h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            max-width: 720px;
        }
        .hero-download h1 span { color: var(--secondary); }
        .hero-download p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.75);
            max-width: 600px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-download .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .hero-download .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-download .hero-stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-download .hero-stat-number i {
            color: var(--secondary);
            font-size: 1.6rem;
            margin-right: 6px;
        }
        .hero-download .hero-stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            margin-top: 4px;
        }

        /* ===== Section Spacing ===== */
        .section-pad { padding: 80px 0; }
        .section-pad-sm { padding: 56px 0; }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .section-title h2 i { color: var(--primary); margin-right: 8px; }
        .section-title p {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 560px;
            margin: 0 auto;
        }
        .section-title .title-tag {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(231,76,60,0.08);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        /* ===== Download Cards Grid ===== */
        .download-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .download-card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .download-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(231,76,60,0.15);
        }
        .download-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .download-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .download-card .card-tag {
            display: inline-block;
            padding: 2px 12px;
            background: rgba(231,76,60,0.08);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .download-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .download-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            flex: 1;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .download-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            margin-bottom: 16px;
        }
        .download-card .card-meta i { margin-right: 4px; color: var(--primary); }
        .download-card .btn-download-sm {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            border: none;
            width: 100%;
        }
        .download-card .btn-download-sm:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(231,76,60,0.35);
            color: #fff;
        }

        /* ===== Categories / Filter Tabs ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .filter-tab {
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            background: var(--bg-alt);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tab:hover { border-color: var(--primary); color: var(--primary); }
        .filter-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(231,76,60,0.3);
        }
        .filter-tab i { margin-right: 6px; }

        /* ===== Process / Flow Steps ===== */
        .process-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .process-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
        }
        .process-section .container-custom { position: relative; z-index: 2; }
        .process-section .section-title h2 { color: #fff; }
        .process-section .section-title p { color: rgba(255,255,255,0.6); }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius);
            border: 1px solid rgba(255,255,255,0.06);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }
        .process-step:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
        .process-step .step-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            margin: 0 auto 16px;
            box-shadow: 0 8px 24px rgba(231,76,60,0.3);
        }
        .process-step .step-num {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: 2px;
            margin-bottom: 6px;
        }
        .process-step h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            line-height: 1.6;
        }

        /* ===== Stats / Data Bar ===== */
        .stats-bar {
            background: var(--bg-alt);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            padding: 40px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item .stat-num {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .stat-num i { font-size: 2rem; margin-right: 6px; color: var(--secondary); }
        .stat-item .stat-label {
            font-size: 1rem;
            color: var(--text-light);
            font-weight: 500;
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(231,76,60,0.2); }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--dark);
            font-size: 1rem;
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { color: var(--primary); font-size: 1.1rem; transition: var(--transition); }
        .faq-question .faq-toggle { color: var(--text-light); font-size: 0.9rem; }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open { display: block; }
        .faq-item.active .faq-toggle { transform: rotate(180deg); color: var(--primary); }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-section .container-custom { position: relative; z-index: 2; }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.8);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: #fff;
            color: var(--primary);
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 8px 28px rgba(0,0,0,0.2);
        }
        .cta-section .btn-cta:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); color: var(--primary-dark); }

        /* ===== Footer ===== */
        .footer {
            background: var(--darker);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 30px;
        }
        .footer .container-custom { position: relative; z-index: 2; }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.5); max-width: 320px; }
        .footer-col h5 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 18px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            color: rgba(255,255,255,0.55);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer-col ul li a i { font-size: 0.7rem; }
        .footer-col ul li a:hover { color: var(--primary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom .footer-links { display: flex; gap: 20px; }
        .footer-bottom .footer-links a { color: rgba(255,255,255,0.4); font-size: 0.85rem; }
        .footer-bottom .footer-links a:hover { color: var(--primary); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .download-grid { grid-template-columns: repeat(2, 1fr); }
            .process-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            :root { --header-h: 64px; }
            .nav-list { display: none; }
            .nav-cta { display: none; }
            .nav-toggle { display: block; }
            .hero-download { padding: 60px 0 50px; min-height: auto; }
            .hero-download h1 { font-size: 2rem; }
            .hero-download p { font-size: 1rem; }
            .hero-download .hero-stats { gap: 24px; }
            .hero-download .hero-stat-number { font-size: 1.6rem; }
            .section-pad { padding: 48px 0; }
            .section-title h2 { font-size: 1.7rem; }
            .download-grid { grid-template-columns: 1fr; gap: 20px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .stat-item .stat-num { font-size: 2rem; }
            .process-grid { grid-template-columns: 1fr; gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .footer-bottom .footer-links { justify-content: center; }
            .cta-section h2 { font-size: 1.7rem; }
            .cta-section .btn-cta { padding: 14px 28px; font-size: 1rem; }
            .filter-tabs { gap: 8px; }
            .filter-tab { padding: 6px 16px; font-size: 0.85rem; }
        }
        @media (max-width: 520px) {
            .container-custom { padding: 0 16px; }
            .hero-download h1 { font-size: 1.6rem; }
            .hero-download .hero-stat-number { font-size: 1.3rem; }
            .section-title h2 { font-size: 1.4rem; }
            .download-card .card-body { padding: 18px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .stat-item .stat-num { font-size: 1.6rem; }
            .process-step { padding: 24px 16px; }
            .faq-question { padding: 14px 18px; font-size: 0.9rem; }
            .faq-answer { padding: 0 18px 14px; font-size: 0.88rem; }
            .footer { padding: 40px 0 20px; }
        }

/* roulang page: category3 */
/* ===== Design Variables ===== */
        :root {
            --primary: #6C3DFF;
            --primary-dark: #5228CC;
            --primary-light: #8B6BFF;
            --primary-gradient: linear-gradient(135deg, #6C3DFF, #A855F7);
            --secondary: #F59E0B;
            --secondary-light: #FCD34D;
            --accent: #EC4899;
            --bg-dark: #0F0A1E;
            --bg-darker: #0A0718;
            --bg-card: #1A1230;
            --bg-card-hover: #221A3A;
            --bg-light: #F8F6FF;
            --text-white: #FFFFFF;
            --text-light: #E2D9FF;
            --text-muted: #9C8DC0;
            --text-dark: #1A1230;
            --border-color: rgba(108, 61, 255, 0.15);
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(108, 61, 255, 0.08);
            --shadow-md: 0 8px 32px rgba(108, 61, 255, 0.12);
            --shadow-lg: 0 16px 48px rgba(108, 61, 255, 0.18);
            --shadow-glow: 0 0 40px rgba(108, 61, 255, 0.15);
            --font-base: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-base);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: none;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-white);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--primary-light);
            background: rgba(108, 61, 255, 0.12);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        .section-label i {
            font-size: 0.7rem;
        }
        .section-title {
            font-size: 2.4rem;
            margin-bottom: 12px;
        }
        .section-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.7rem;
            }
            .section-sub {
                font-size: 0.95rem;
            }
        }

        /* ===== Navbar ===== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(15, 10, 30, 0.92);
            backdrop-filter: blur(18px) saturate(1.2);
            border-bottom: 1px solid var(--border-light);
            padding: 0;
            transition: var(--transition);
        }
        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: nowrap;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .navbar-brand-custom .brand-icon {
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 0 20px rgba(108, 61, 255, 0.2);
        }
        .navbar-brand-custom .brand-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-list .nav-link {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .nav-list .nav-link i {
            font-size: 0.85rem;
        }
        .nav-list .nav-link:hover,
        .nav-list .nav-link:focus {
            color: var(--text-white);
            background: rgba(108, 61, 255, 0.1);
        }
        .nav-list .nav-link.active {
            color: var(--text-white);
            background: rgba(108, 61, 255, 0.18);
            box-shadow: inset 0 -2px 0 var(--primary);
        }
        .nav-cta .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 50px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(108, 61, 255, 0.25);
            white-space: nowrap;
        }
        .nav-cta .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(108, 61, 255, 0.35);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-light);
            color: var(--text-white);
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            background: rgba(108, 61, 255, 0.1);
            border-color: var(--primary);
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 16px 24px 24px;
            background: rgba(15, 10, 30, 0.98);
            border-top: 1px solid var(--border-light);
            gap: 4px;
        }
        .mobile-menu .nav-link,
        .mobile-menu .btn-download {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-menu .nav-link.active {
            color: var(--text-white);
            background: rgba(108, 61, 255, 0.15);
        }
        .mobile-menu .btn-download {
            background: var(--primary-gradient);
            color: #fff;
            justify-content: center;
            margin-top: 8px;
            border-radius: 50px;
        }
        .mobile-menu.open {
            display: flex;
        }

        @media (max-width: 992px) {
            .nav-list,
            .nav-cta {
                display: none !important;
            }
            .nav-toggle {
                display: flex;
            }
            .navbar-custom .container-custom {
                height: 64px;
            }
        }
        @media (min-width: 993px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, #0F0A1E 0%, #1A1230 50%, #0F0A1E 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108, 61, 255, 0.12), transparent 70%);
            pointer-events: none;
        }
        .category-hero .container-custom {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero-text {
            flex: 1 1 480px;
        }
        .category-hero-text .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 61, 255, 0.15);
            border: 1px solid rgba(108, 61, 255, 0.25);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 20px;
        }
        .category-hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.15;
        }
        .category-hero-text h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero-text p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin-bottom: 28px;
        }
        .category-hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .category-hero-stats .stat-item {
            text-align: center;
        }
        .category-hero-stats .stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .category-hero-stats .stat-item .label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .category-hero-visual {
            flex: 0 0 320px;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .category-hero-visual .hero-img-wrap {
            width: 280px;
            height: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid rgba(108, 61, 255, 0.15);
            box-shadow: var(--shadow-lg);
            background: var(--bg-card);
        }
        .category-hero-visual .hero-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 110px 0 50px;
            }
            .category-hero-text h1 {
                font-size: 2rem;
            }
            .category-hero-text p {
                font-size: 0.95rem;
            }
            .category-hero-stats .stat-item .num {
                font-size: 1.4rem;
            }
            .category-hero-visual {
                flex: 1 1 100%;
                margin-top: 20px;
            }
            .category-hero-visual .hero-img-wrap {
                width: 200px;
                height: 200px;
            }
        }

        /* ===== Section Spacing ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block-alt {
            background: var(--bg-darker);
        }
        .section-block-divider {
            border-top: 1px solid var(--border-light);
        }

        /* ===== Cards (Bootstrap override) ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 61, 255, 0.2);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
        }
        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }
        .card-custom .card-body {
            padding: 24px;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .card-custom .card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-custom .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .card-custom .card-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }
        .card-custom .card-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            background: rgba(108, 61, 255, 0.12);
            color: var(--primary-light);
            margin-bottom: 10px;
        }
        .card-custom .card-tag.hot {
            background: rgba(236, 72, 153, 0.15);
            color: var(--accent);
        }
        .card-custom .card-tag.trend {
            background: rgba(245, 158, 11, 0.15);
            color: var(--secondary);
        }

        /* ===== Featured Article ===== */
        .featured-article {
            display: flex;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .featured-article:hover {
            border-color: rgba(108, 61, 255, 0.2);
            box-shadow: var(--shadow-md);
        }
        .featured-article .featured-img {
            flex: 0 0 45%;
            min-height: 320px;
            overflow: hidden;
        }
        .featured-article .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .featured-article:hover .featured-img img {
            transform: scale(1.04);
        }
        .featured-article .featured-body {
            flex: 1;
            padding: 36px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-article .featured-body .badge-lg {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-gradient);
            color: #fff;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            align-self: flex-start;
            margin-bottom: 16px;
        }
        .featured-article .featured-body h2 {
            font-size: 1.6rem;
            margin-bottom: 12px;
        }
        .featured-article .featured-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .featured-article .featured-body .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: 50px;
            border: 1px solid var(--primary);
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            align-self: flex-start;
            background: transparent;
        }
        .featured-article .featured-body .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(108, 61, 255, 0.25);
        }
        @media (max-width: 768px) {
            .featured-article {
                flex-direction: column;
            }
            .featured-article .featured-img {
                flex: 0 0 200px;
                min-height: 200px;
            }
            .featured-article .featured-body {
                padding: 24px;
            }
            .featured-article .featured-body h2 {
                font-size: 1.25rem;
            }
        }

        /* ===== Topic Tabs / Chips ===== */
        .topic-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 36px;
        }
        .topic-tabs .topic-chip {
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .topic-tabs .topic-chip:hover,
        .topic-tabs .topic-chip:focus {
            border-color: var(--primary);
            color: var(--text-white);
            background: rgba(108, 61, 255, 0.08);
        }
        .topic-tabs .topic-chip.active {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 61, 255, 0.2);
        }

        /* ===== Stats / Data Row ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stats-row .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .stats-row .stat-card:hover {
            border-color: rgba(108, 61, 255, 0.2);
            box-shadow: var(--shadow-sm);
            transform: translateY(-4px);
        }
        .stats-row .stat-card .stat-icon {
            font-size: 1.6rem;
            color: var(--primary-light);
            margin-bottom: 12px;
        }
        .stats-row .stat-card .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .stats-row .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ===== Story Cards ===== */
        .story-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            height: 100%;
        }
        .story-card:hover {
            border-color: rgba(108, 61, 255, 0.2);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .story-card .story-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            overflow: hidden;
            border: 2px solid var(--primary);
            margin-bottom: 16px;
            background: var(--bg-darker);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary-light);
        }
        .story-card .story-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .story-card h4 {
            font-size: 1.1rem;
            margin-bottom: 4px;
        }
        .story-card .story-role {
            font-size: 0.8rem;
            color: var(--secondary);
            font-weight: 500;
            margin-bottom: 12px;
        }
        .story-card .story-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .story-card .story-quote {
            font-size: 2rem;
            color: rgba(108, 61, 255, 0.15);
            position: absolute;
            bottom: 16px;
            right: 20px;
            line-height: 1;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(108, 61, 255, 0.15);
        }
        .faq-item .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text-white);
            font-size: 1rem;
            gap: 16px;
        }
        .faq-item .faq-question i {
            color: var(--primary-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-answer {
            padding-top: 16px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            border-top: 1px solid var(--border-light);
            margin-top: 16px;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1A1230, #0F0A1E);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 61, 255, 0.08), transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            margin-bottom: 12px;
            position: relative;
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 540px;
            margin: 0 auto 28px;
            position: relative;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 40px;
            border-radius: 50px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(108, 61, 255, 0.25);
            position: relative;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 48px rgba(108, 61, 255, 0.35);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== Pagination (Bootstrap override) ===== */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .pagination-custom .page-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .pagination-custom .page-link:hover {
            border-color: var(--primary);
            color: var(--text-white);
            background: rgba(108, 61, 255, 0.08);
        }
        .pagination-custom .page-link.active {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 61, 255, 0.2);
        }
        .pagination-custom .page-link.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-light);
            padding: 64px 0 0;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer .footer-brand .footer-logo .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary-gradient);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
        }
        .footer .footer-brand .footer-logo .brand-text {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-white);
        }
        .footer .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer .footer-col ul li a i {
            font-size: 0.7rem;
            color: var(--primary-light);
        }
        .footer .footer-col ul li a:hover {
            color: var(--text-white);
            padding-left: 4px;
        }
        .footer .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }
        .footer .footer-bottom .footer-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer .footer-bottom .footer-links a:hover {
            color: var(--text-white);
        }
        @media (max-width: 992px) {
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 576px) {
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Responsive Extras ===== */
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .category-hero-text h1 {
                font-size: 1.6rem;
            }
            .topic-tabs .topic-chip {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            .story-card {
                padding: 20px 16px;
            }
            .stats-row .stat-card .stat-num {
                font-size: 1.5rem;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeUp 0.6s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }