/* roulang page: index */
/* ===== Design Tokens ===== */
        :root {
            --color-primary: #2C5F8A;
            --color-primary-dark: #224E73;
            --color-primary-light: #EAF1F7;
            --color-primary-soft: rgba(44, 95, 138, 0.08);
            --color-accent: #E8A33D;
            --color-accent-light: #F5B95B;
            --color-bg: #F5F7FA;
            --color-card: #FFFFFF;
            --color-footer-bg: #162D40;
            --color-footer-text: #B8C7D4;
            --color-text: #2B3A4A;
            --color-text-secondary: #5C6B7A;
            --color-text-placeholder: #98A6B3;
            --color-border: #E3E8EF;
            --color-success: #2E9E6B;
            --color-warning: #E8A33D;
            --color-error: #D9534F;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(36, 63, 92, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(36, 63, 92, 0.12);
            --space-section: 72px;
            --space-section-mobile: 48px;
            --container-max: 1280px;
            --transition-base: all 0.3s ease;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            display: block;
            border: none;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Section Spacing ===== */
        .section {
            padding: var(--space-section) 0;
        }

        @media (max-width: 767px) {
            .section {
                padding: var(--space-section-mobile) 0;
            }
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            position: relative;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 32px;
            height: 4px;
            border-radius: 2px;
            background: var(--color-accent);
            margin-top: 8px;
        }

        .section-header .section-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            background: var(--color-card);
            transition: var(--transition-base);
        }

        .section-header .section-link:hover {
            border-color: var(--color-primary);
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }

        @media (max-width: 767px) {
            .section-header h2 {
                font-size: 22px;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            border: 1.5px solid transparent;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(44, 95, 138, 0.25);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(44, 95, 138, 0.35);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            background-color: #1B3F5E;
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(44, 95, 138, 0.2);
        }

        .btn-outline {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }

        .btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

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

        .btn-outline-light:hover {
            border-color: var(--color-primary);
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: #2B1A00;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(232, 163, 61, 0.3);
        }

        .btn-accent:hover {
            background-color: var(--color-accent-light);
            color: #1F1400;
            box-shadow: 0 4px 16px rgba(232, 163, 61, 0.4);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .btn-block {
            width: 100%;
        }

        @media (max-width: 767px) {
            .btn {
                padding: 10px 20px;
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.98);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(8px);
        }

        .header-main-row {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 14px 0;
            flex-wrap: nowrap;
        }

        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-accent);
            letter-spacing: -1px;
            box-shadow: 0 2px 6px rgba(44, 95, 138, 0.3);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }

        .logo-text strong {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
        }

        .logo-text span {
            font-size: 11px;
            color: var(--color-text-secondary);
            letter-spacing: 1px;
        }

        .header-search {
            flex: 1;
            max-width: 520px;
            position: relative;
            margin: 0 auto;
        }

        .header-search .search-input {
            width: 100%;
            height: 44px;
            padding: 0 48px 0 20px;
            border-radius: var(--radius-pill);
            border: 1.5px solid var(--color-border);
            background: var(--color-bg);
            font-size: 14px;
            color: var(--color-text);
            transition: var(--transition-base);
        }

        .header-search .search-input::placeholder {
            color: var(--color-text-placeholder);
        }

        .header-search .search-input:focus {
            border-color: var(--color-primary);
            background: var(--color-card);
            box-shadow: 0 0 0 4px rgba(44, 95, 138, 0.1);
        }

        .header-search .search-btn {
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            transition: var(--transition-base);
            font-size: 15px;
        }

        .header-search .search-btn:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
        }

        .header-menu {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .header-menu a {
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .header-menu a i {
            font-size: 13px;
            opacity: 0.7;
        }

        .header-menu a:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
        }

        .header-menu a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .header-cat-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 8px 0 12px;
            flex-wrap: wrap;
            border-top: 1px solid var(--color-bg);
        }

        .header-cat-row .cat-label {
            font-size: 12px;
            color: var(--color-text-placeholder);
            font-weight: 500;
            letter-spacing: 2px;
        }

        .header-cat-row .cat-link {
            font-size: 13px;
            color: var(--color-text-secondary);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .header-cat-row .cat-link:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-btn);
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            border: 1px solid var(--color-border);
            background: var(--color-card);
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .menu-toggle:hover {
            border-color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        @media (max-width: 1023px) {
            .header-main-row {
                flex-wrap: wrap;
                gap: 12px;
            }
            .header-search {
                order: 3;
                max-width: 100%;
                flex: 0 0 100%;
            }
            .header-menu {
                margin-left: auto;
            }
            .header-cat-row {
                border-top: none;
                padding-top: 0;
            }
        }

        @media (max-width: 767px) {
            .header-main-row {
                padding: 10px 0;
            }
            .logo-text strong {
                font-size: 16px;
            }
            .header-menu {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-cat-row {
                display: none;
            }
            .header-main-row {
                position: relative;
            }
            .header-menu.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: var(--color-card);
                border-radius: var(--radius-card);
                box-shadow: var(--shadow-card-hover);
                padding: 12px;
                gap: 4px;
                z-index: 100;
                border: 1px solid var(--color-border);
                margin: 0;
            }
            .header-menu.open a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-btn);
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(15, 28, 42, 0.88) 0%, rgba(15, 28, 42, 0.65) 40%, rgba(15, 28, 42, 0.25) 75%, rgba(15, 28, 42, 0.3) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to bottom, transparent, rgba(245, 247, 250, 0.3)), linear-gradient(to bottom, transparent, var(--color-bg));
            z-index: 2;
            pointer-events: none;
        }

        .hero .hero-orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(70px);
            z-index: 1;
            pointer-events: none;
        }

        .hero .hero-orb-1 {
            width: 200px;
            height: 200px;
            background: rgba(44, 95, 138, 0.3);
            top: 20%;
            right: 15%;
        }

        .hero .hero-orb-2 {
            width: 140px;
            height: 140px;
            background: rgba(232, 163, 61, 0.15);
            bottom: 25%;
            right: 30%;
        }

        .hero-container {
            position: relative;
            z-index: 3;
            width: 100%;
            padding-top: 60px;
            padding-bottom: 80px;
        }

        .hero-content {
            max-width: 560px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
            letter-spacing: 0.5px;
        }

        .hero-badge i {
            color: var(--color-accent);
            font-size: 12px;
        }

        .hero h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }

        .hero h1 .highlight {
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.8;
            margin-bottom: 12px;
            font-weight: 400;
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            margin-bottom: 32px;
        }

        .hero-points li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }

        .hero-points li i {
            color: var(--color-accent);
            font-size: 13px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .hero-search-box {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-pill);
            padding: 8px 8px 8px 20px;
            display: flex;
            align-items: center;
            max-width: 480px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: var(--transition-base);
        }

        .hero-search-box:focus-within {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
            transform: translateY(-2px);
        }

        .hero-search-box i {
            color: var(--color-text-placeholder);
            font-size: 14px;
            margin-right: 12px;
        }

        .hero-search-box input {
            flex: 1;
            height: 36px;
            font-size: 14px;
            color: var(--color-text);
            background: transparent;
        }

        .hero-search-box input::placeholder {
            color: var(--color-text-placeholder);
        }

        .hero-search-box .btn {
            height: 38px;
            padding: 0 20px;
            font-size: 14px;
            border-radius: var(--radius-pill);
        }

        @media (max-width: 767px) {
            .hero {
                min-height: 60vh;
            }
            .hero-container {
                padding-top: 40px;
                padding-bottom: 60px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-search-box {
                padding-left: 16px;
            }
        }

        /* ===== Horizontal Scroll Cards ===== */
        .scroll-shelf {
            position: relative;
        }

        .scroll-track-wrap {
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 12px;
            scroll-behavior: smooth;
        }

        .scroll-track-wrap::-webkit-scrollbar {
            display: none;
        }

        .scroll-track {
            display: flex;
            gap: 20px;
            width: max-content;
            padding: 4px 4px 8px;
        }

        .shelf-card {
            width: 180px;
            flex-shrink: 0;
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            border: 1px solid var(--color-border);
        }

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

        .shelf-card:hover .shelf-card-img img {
            transform: scale(1.03);
        }

        .shelf-card-img {
            aspect-ratio: 2 / 3;
            overflow: hidden;
            position: relative;
            background: var(--color-primary-soft);
        }

        .shelf-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .shelf-card-img .badge-hot {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--color-accent);
            color: #2B1A00;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }

        .shelf-card-body {
            padding: 14px 14px 16px;
        }

        .shelf-card-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: var(--transition-base);
        }

        .shelf-card:hover .shelf-card-body h3 {
            color: var(--color-primary);
        }

        .shelf-card-body .shelf-tag {
            font-size: 12px;
            color: var(--color-text-placeholder);
        }

        .scroll-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            z-index: 5;
            transition: var(--transition-base);
        }

        .scroll-btn:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            transform: translateY(-50%) scale(1.05);
        }

        .scroll-btn-prev {
            left: -12px;
        }

        .scroll-btn-next {
            right: -12px;
        }

        @media (max-width: 767px) {
            .scroll-btn {
                display: none;
            }
            .shelf-card {
                width: 140px;
            }
            .scroll-track {
                gap: 14px;
            }
        }

        /* ===== Featured Grid Cards ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            border: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            position: relative;
        }

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

        .feature-card:hover .feature-card-img img {
            transform: scale(1.03);
        }

        .feature-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-primary-soft);
        }

        .feature-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .feature-card-img .rating {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.7);
            color: var(--color-accent);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 700;
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .feature-card-img .rating i {
            font-size: 10px;
        }

        .feature-card-img .tag-cat {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            font-size: 11px;
            font-weight: 500;
        }

        .feature-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .feature-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .feature-card:hover .feature-card-body h3 {
            color: var(--color-primary);
        }

        .feature-card-body .feature-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex: 1;
        }

        .feature-card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
        }

        .feature-card-body .card-meta .time {
            color: var(--color-text-placeholder);
        }

        .feature-card-body .card-meta .views {
            color: var(--color-text-placeholder);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 1023px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 767px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Tab + Split Section ===== */
        .tabs-section {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
        }

        .tab-head {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 24px;
            border-bottom: 1px solid var(--color-border);
            flex-wrap: wrap;
            background: var(--color-bg);
        }

        .tab-btn {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-bottom: 2px solid transparent;
            margin-bottom: -1px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }

        .tab-btn i {
            font-size: 14px;
            color: var(--color-text-placeholder);
            transition: var(--transition-base);
        }

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

        .tab-btn:hover i {
            color: var(--color-primary);
        }

        .tab-btn.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
            font-weight: 600;
        }

        .tab-btn.active i {
            color: var(--color-primary);
        }

        .tab-panel {
            display: none;
            padding: 24px;
        }

        .tab-panel.active {
            display: block;
        }

        .split-panel {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 24px;
        }

        .cat-list {
            border-right: 1px solid var(--color-border);
            padding-right: 20px;
        }

        .cat-list .cat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            color: var(--color-text-secondary);
            transition: var(--transition-base);
            cursor: pointer;
            margin-bottom: 4px;
            background: transparent;
            width: 100%;
            text-align: left;
        }

        .cat-list .cat-item i {
            font-size: 15px;
            color: var(--color-text-placeholder);
            width: 20px;
            text-align: center;
            transition: var(--transition-base);
        }

        .cat-list .cat-item:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
        }

        .cat-list .cat-item:hover i {
            color: var(--color-primary);
        }

        .cat-list .cat-item.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 500;
        }

        .cat-list .cat-item.active i {
            color: #fff;
        }

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

        .content-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--color-border);
            background: var(--color-bg);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .content-list-item:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-light);
            transform: translateX(4px);
        }

        .content-list-item img {
            width: 68px;
            height: 44px;
            border-radius: 6px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .content-list-item .item-info {
            flex: 1;
            min-width: 0;
        }

        .content-list-item .item-info h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .content-list-item .item-info p {
            font-size: 13px;
            color: var(--color-text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .content-list-item .item-dur {
            flex-shrink: 0;
            font-size: 12px;
            color: var(--color-text-placeholder);
            background: var(--color-card);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--color-border);
        }

        @media (max-width: 1023px) {
            .split-panel {
                grid-template-columns: 180px 1fr;
            }
        }

        @media (max-width: 767px) {
            .split-panel {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cat-list {
                border-right: none;
                padding-right: 0;
                display: flex;
                flex-wrap: wrap;
                gap: 4px;
            }
            .cat-list .cat-item {
                padding: 8px 14px;
                width: auto;
                margin-bottom: 0;
            }
            .tab-panel {
                padding: 16px;
            }
            .tab-btn {
                padding: 12px 14px;
                font-size: 14px;
            }
        }

        /* ===== News / CMS List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .news-card:hover .news-title {
            color: var(--color-primary);
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .news-cat {
            display: inline-block;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }

        .news-date {
            font-size: 13px;
            color: var(--color-text-placeholder);
        }

        .news-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            transition: var(--transition-base);
        }

        .news-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-primary);
            font-weight: 500;
            margin-top: auto;
            align-self: flex-start;
        }

        .news-link i {
            font-size: 12px;
            transition: transform 0.3s ease;
        }

        .news-link:hover i {
            transform: translateX(4px);
        }

        .news-empty {
            grid-column: 1 / -1;
            border: 2px dashed var(--color-border);
            border-radius: var(--radius-card);
            padding: 60px 24px;
            text-align: center;
            color: var(--color-text-placeholder);
            font-size: 15px;
            background: var(--color-card);
        }

        .news-empty i {
            font-size: 28px;
            display: block;
            margin-bottom: 12px;
            color: var(--color-border);
        }

        @media (max-width: 767px) {
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-card {
                padding: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

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

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

        .faq-item.open {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            transition: var(--transition-base);
            text-align: left;
            width: 100%;
        }

        .faq-question:hover {
            background: #F8FAFC;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1.5px solid var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-primary);
            transition: transform 0.3s ease;
            font-weight: 400;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            display: none;
        }

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

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: var(--color-primary-light);
            border-radius: 20px;
            padding: 64px 48px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-banner::before,
        .cta-banner::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            pointer-events: none;
            opacity: 0.5;
        }

        .cta-banner::before {
            width: 200px;
            height: 200px;
            background: rgba(232, 163, 61, 0.15);
            top: -50px;
            right: -30px;
        }

        .cta-banner::after {
            width: 140px;
            height: 140px;
            background: rgba(44, 95, 138, 0.1);
            bottom: -40px;
            left: -20px;
        }

        .cta-banner h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cta-banner p {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-banner .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        @media (max-width: 767px) {
            .cta-banner {
                padding: 40px 20px;
                border-radius: 16px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
            .cta-banner .cta-actions {
                flex-direction: column;
            }
            .cta-banner .cta-actions .btn {
                width: 100%;
            }
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            box-shadow: var(--shadow-card);
            margin-top: -36px;
            position: relative;
            z-index: 4;
        }

        .stat-item {
            text-align: center;
            padding: 8px 0;
        }

        .stat-item .stat-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: 6px;
        }

        @media (max-width: 1023px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 767px) {
            .stats-strip {
                padding: 24px;
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item .stat-num {
                font-size: 24px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 64px 0 0;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            position: relative;
            z-index: 2;
        }

        .footer-brand .logo-text strong {
            color: #fff;
        }

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

        .footer-brand .footer-desc {
            font-size: 14px;
            color: var(--color-footer-text);
            line-height: 1.8;
            margin-top: 20px;
            max-width: 320px;
            opacity: 0.85;
        }

        .footer-links-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-links-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: var(--color-footer-text);
            font-size: 14px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a i {
            font-size: 12px;
            opacity: 0.5;
        }

        .footer-links a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .footer-contact .contact-line {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--color-footer-text);
            line-height: 1.6;
        }

        .footer-contact .contact-line i {
            color: var(--color-accent);
            margin-top: 4px;
        }

        .footer-bottom {
            position: relative;
            z-index: 2;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            opacity: 0.7;
        }

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

        .footer-bottom .footer-legal-links a {
            font-size: 13px;
            color: var(--color-footer-text);
            opacity: 0.7;
        }

        .footer-bottom .footer-legal-links a:hover {
            opacity: 1;
            color: var(--color-accent);
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 4px 16px rgba(44, 95, 138, 0.3);
            transition: var(--transition-base);
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            transform: translateY(20px);
        }

        .back-top.show {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .back-top:hover {
            background: var(--color-primary-dark);
            transform: translateY(-4px);
        }

        @media (max-width: 767px) {
            .back-top {
                right: 16px;
                bottom: 16px;
            }
        }

        /* ===== Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2C5F8A;
            --primary-dark: #244E72;
            --primary-light: #3D7EAA;
            --primary-bg: #EAF1F7;
            --accent: #E8A33D;
            --accent-dark: #D18F2C;
            --accent-bg: #FDF3E3;
            --bg: #F5F7FA;
            --card: #FFFFFF;
            --text: #2B3A4A;
            --text-secondary: #5C6B7A;
            --text-placeholder: #98A6B3;
            --border: #E3E8EF;
            --footer-bg: #162D40;
            --footer-text: #B7C4D1;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(36, 63, 92, 0.06);
            --shadow-md: 0 8px 24px rgba(36, 63, 92, 0.12);
            --shadow-lg: 0 16px 40px rgba(36, 63, 92, 0.16);
            --transition: all 0.3s ease;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 8px rgba(36, 63, 92, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 76px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            letter-spacing: -1px;
            box-shadow: 0 4px 12px rgba(44, 95, 138, 0.25);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
        }
        .logo-text strong {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.3px;
        }
        .logo-text span {
            font-size: 12px;
            color: var(--text-secondary);
        }
        .header-search {
            flex: 1;
            max-width: 480px;
        }
        .search-form {
            display: flex;
            align-items: center;
            background: var(--card);
            border: 1.5px solid var(--border);
            border-radius: var(--radius-pill);
            height: 44px;
            padding: 0 6px 0 16px;
            transition: var(--transition);
            box-shadow: 0 2px 6px rgba(36, 63, 92, 0.03);
        }
        .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(44, 95, 138, 0.1);
        }
        .search-icon {
            color: var(--text-placeholder);
            font-size: 14px;
            margin-right: 10px;
        }
        .search-form input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 14px;
            color: var(--text);
            background: transparent;
            min-width: 0;
        }
        .search-form input::placeholder {
            color: var(--text-placeholder);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 0 22px;
            height: 32px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--primary-dark);
        }
        .header-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }
        .header-menu a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            position: relative;
        }
        .header-menu a:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .header-menu a.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .header-menu a.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }
        .header-menu a i {
            font-size: 14px;
        }
        .menu-toggle {
            display: none;
            font-size: 22px;
            color: var(--text);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }
        .mobile-search {
            display: none;
            padding: 0 24px 14px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 20px 0 0;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-placeholder);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, var(--primary-bg) 0%, #DCE9F3 100%);
            border-radius: 20px;
            margin: 20px 0 0;
            padding: 56px 48px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .category-hero::before {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(44, 95, 138, 0.08);
            top: -120px;
            right: -80px;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(232, 163, 61, 0.12);
            bottom: -60px;
            left: 30%;
        }
        .category-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.75);
            border: 1px solid rgba(44, 95, 138, 0.15);
            border-radius: var(--radius-pill);
            padding: 4px 16px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }
        .category-badge i {
            font-size: 12px;
        }
        .category-hero h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 span {
            color: var(--primary);
        }
        .category-hero p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 28px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: 1.5px solid transparent;
            line-height: 1.2;
        }
        .btn i {
            font-size: 14px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(44, 95, 138, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(44, 95, 138, 0.3);
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(44, 95, 138, 0.05);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-accent {
            background: var(--accent);
            color: #2b2b2b;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(232, 163, 61, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 163, 61, 0.35);
        }

        /* ===== Sections ===== */
        .section-block {
            padding: 72px 0 0;
        }
        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            position: relative;
            padding-left: 16px;
        }
        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: var(--primary);
        }
        .section-sub {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .filter-bar {
            display: flex;
            gap: 10px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .filter-btn {
            padding: 8px 22px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--card);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(44, 95, 138, 0.2);
        }

        /* ===== Slide Row ===== */
        .slide-wrap {
            position: relative;
        }
        .slide-track {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-behavior: smooth;
            padding: 4px 4px 16px;
            scrollbar-width: none;
        }
        .slide-track::-webkit-scrollbar {
            display: none;
        }
        .poster-card {
            flex: 0 0 190px;
            display: block;
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid rgba(227, 232, 239, 0.6);
        }
        .poster-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .poster-cover {
            position: relative;
            aspect-ratio: 2 / 3;
            overflow: hidden;
            background: var(--primary-bg);
        }
        .poster-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .poster-card:hover .poster-cover img {
            transform: scale(1.05);
        }
        .poster-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--accent);
            color: #2b2b2b;
            font-size: 11px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            box-shadow: 0 2px 8px rgba(232, 163, 61, 0.4);
        }
        .poster-info {
            padding: 12px 14px 14px;
        }
        .poster-info h3 {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 42px;
        }
        .poster-info p {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .slide-arrows {
            display: flex;
            gap: 10px;
        }
        .arrow-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .arrow-btn:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(44, 95, 138, 0.25);
        }
        .arrow-btn:active {
            transform: scale(0.94);
        }

        /* ===== Content Grid ===== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid rgba(227, 232, 239, 0.6);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary-bg);
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-cover img {
            transform: scale(1.05);
        }
        .card-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(43, 58, 74, 0.75);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 12px;
            padding: 2px 12px;
            border-radius: var(--radius-pill);
            font-weight: 500;
        }
        .card-score {
            position: absolute;
            bottom: 10px;
            left: 12px;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(6px);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
        }
        .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-type {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            color: var(--primary);
            background: var(--primary-bg);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            align-self: flex-start;
            margin-bottom: 10px;
            font-weight: 500;
        }
        .card-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text);
            transition: var(--transition);
        }
        .card:hover .card-body h3 {
            color: var(--primary);
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            font-size: 13px;
            color: var(--text-placeholder);
            border-top: 1px solid #F0F3F7;
            padding-top: 12px;
        }
        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .card-meta i {
            font-size: 12px;
        }

        /* ===== Feature ===== */
        .feature-section {
            background: var(--card);
            border-radius: 20px;
            padding: 56px 48px;
            box-shadow: var(--shadow-sm);
            margin-top: 72px;
        }
        .feature-section .section-head {
            margin-bottom: 36px;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .feature-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius);
            background: var(--bg);
            transition: var(--transition);
        }
        .feature-item:hover {
            background: var(--primary-bg);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 16px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            box-shadow: 0 6px 16px rgba(44, 95, 138, 0.2);
        }
        .feature-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Process ===== */
        .process-section {
            padding: 72px 0 0;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .process-step {
            background: var(--card);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(227, 232, 239, 0.5);
            transition: var(--transition);
            position: relative;
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary-bg);
            line-height: 1;
            margin-bottom: 16px;
            letter-spacing: -2px;
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .process-step::after {
            content: "";
            position: absolute;
            top: 32px;
            right: -18px;
            width: 16px;
            height: 16px;
            border-top: 2px solid var(--border);
            border-right: 2px solid var(--border);
            transform: rotate(45deg);
            background: var(--bg);
        }
        .process-step:last-child::after {
            display: none;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 72px 0 0;
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border-radius: var(--radius);
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(227, 232, 239, 0.6);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            background: #F8FAFC;
        }
        .faq-question .faq-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0 0;
        }
        .cta-box {
            background: var(--primary-bg);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before,
        .cta-box::after {
            content: "";
            position: absolute;
            border-radius: 50%;
            background: rgba(44, 95, 138, 0.08);
        }
        .cta-box::before {
            width: 180px;
            height: 180px;
            top: -60px;
            left: -40px;
        }
        .cta-box::after {
            width: 120px;
            height: 120px;
            bottom: -30px;
            right: 40px;
            background: rgba(232, 163, 61, 0.14);
        }
        .cta-box h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .cta-box p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
        }
        .cta-box .btn {
            position: relative;
            z-index: 2;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            margin-top: 72px;
            padding: 56px 0 0;
            position: relative;
            overflow: hidden;
        }
        .site-footer::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.2fr;
            gap: 48px;
            position: relative;
            z-index: 2;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand .logo-text strong {
            color: #fff;
        }
        .footer-brand .logo-text span {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-brand .logo-icon {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            box-shadow: none;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.65);
            max-width: 380px;
        }
        .footer-links-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }
        .footer-links a i {
            font-size: 12px;
            color: var(--accent);
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .contact-line {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }
        .contact-line i {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--accent);
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            position: relative;
            z-index: 2;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-legal-links {
            display: flex;
            gap: 18px;
        }
        .footer-legal-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
        }
        .footer-legal-links a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1200px) {
            .content-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 1024px) {
            .header-search {
                max-width: 360px;
            }
            .header-menu a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .header-menu a i {
                display: none;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .site-header {
                position: sticky;
            }
            .header-inner {
                height: 66px;
                gap: 12px;
            }
            .mobile-search {
                display: block;
            }
            .header-search {
                display: none;
            }
            .header-menu {
                display: none;
                position: fixed;
                top: 66px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px 20px;
                box-shadow: 0 16px 32px rgba(36, 63, 92, 0.12);
                border-bottom: 1px solid var(--border);
                z-index: 99;
            }
            .header-menu.open {
                display: flex;
            }
            .header-menu a {
                padding: 12px 14px;
                font-size: 15px;
                border-radius: 10px;
                justify-content: flex-start;
            }
            .header-menu a i {
                display: inline-flex;
                width: 22px;
            }
            .header-menu a.active::after {
                display: none;
            }
            .header-menu a.active {
                background: var(--primary-bg);
            }
            .menu-toggle {
                display: flex;
                margin-left: auto;
            }
            .logo-text strong {
                font-size: 14px;
            }
            .logo-text span {
                font-size: 11px;
            }
            .category-hero {
                padding: 40px 24px;
                border-radius: 16px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .hero-actions .btn {
                width: calc(50% - 6px);
                padding: 11px 16px;
                font-size: 14px;
            }
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .section-block {
                padding-top: 48px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .feature-section {
                padding: 32px 20px;
                margin-top: 48px;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .process-step::after {
                display: none;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .cta-box .btn {
                width: 100%;
                max-width: 320px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .poster-card {
                flex-basis: 150px;
            }
        }
        @media (max-width: 520px) {
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
                border-radius: 8px;
            }
            .header-inner {
                gap: 8px;
            }
            .logo-text span {
                display: none;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .category-hero {
                padding: 32px 20px;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .filter-bar {
                gap: 8px;
            }
            .filter-btn {
                padding: 6px 16px;
                font-size: 13px;
            }
            .card-body h3 {
                font-size: 16px;
            }
        }

/* roulang page: article */
:root {
    --primary: #2C5F8A;
    --primary-dark: #234D73;
    --primary-light: #EAF1F7;
    --primary-soft: #F0F5FA;
    --accent: #E8A33D;
    --accent-light: #FBF1DE;
    --accent-bright: #F0B45A;
    --bg: #F5F7FA;
    --card: #FFFFFF;
    --footer-bg: #162D40;
    --text-main: #2B3A4A;
    --text-sub: #5C6B7A;
    --text-muted: #98A6B3;
    --border: #E3E8EF;
    --border-deep: #C9D5E0;
    --success: #2E9E6B;
    --warning: #E8A33D;
    --error: #D9534F;
    --radius-card: 12px;
    --radius-btn: 8px;
    --radius-pill: 999px;
    --shadow-sm: 0 2px 8px rgba(36, 63, 92, 0.06);
    --shadow-md: 0 8px 24px rgba(36, 63, 92, 0.12);
    --shadow-lg: 0 16px 40px rgba(36, 63, 92, 0.16);
    --space-section: 72px;
    --max-w: 1280px;
    --font-serif: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-serif);
    background: var(--bg);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; border: none; outline: none; background: none; }
.container { max-width: var(--max-w); margin: 0 auto; padding-left: 24px; padding-right: 24px; }

.reading-progress {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 3px;
    z-index: 300;
    background: transparent;
    pointer-events: none;
}
.reading-progress span {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.1s linear;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1.5px solid transparent;
    line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(44, 95, 138, 0.3); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-outline { background: #fff; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }
.btn-accent { background: var(--accent); color: #2B3A4A; }
.btn-accent:hover { background: var(--accent-bright); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(232, 163, 61, 0.35); }
.btn-accent:active { transform: translateY(0); }

/* ===== Header ===== */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(36, 63, 92, 0.04);
}
.header-inner {
    display: grid;
    grid-template-columns: auto minmax(260px, 420px) auto;
    align-items: center;
    gap: 24px;
    height: 76px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--primary);
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(44, 95, 138, 0.3);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 20px; font-weight: 700; color: var(--primary); letter-spacing: 0.5px; }
.logo-text span { font-size: 12px; color: var(--text-muted); letter-spacing: 1.5px; margin-top: 2px; }

.header-search {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 4px 4px 4px 20px;
    height: 44px;
    transition: all 0.3s;
}
.header-search:focus-within {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(44, 95, 138, 0.1);
}
.header-search .search-icon { color: var(--text-muted); font-size: 15px; margin-right: 10px; flex-shrink: 0; }
.header-search input {
    flex: 1;
    font-size: 14px;
    color: var(--text-main);
    height: 100%;
    min-width: 0;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search button {
    height: 34px;
    padding: 0 18px;
    border-radius: var(--radius-pill);
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    flex-shrink: 0;
}
.header-search button:hover { background: var(--primary-dark); }

.header-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: flex-end;
}
.header-menu a {
    font-size: 15px;
    color: var(--text-sub);
    padding: 8px 14px;
    border-radius: var(--radius-btn);
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}
.header-menu a i { font-size: 13px; }
.header-menu a:hover { background: var(--primary-light); color: var(--primary); }
.header-menu a.active { color: var(--primary); font-weight: 600; background: var(--primary-light); }

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-btn);
    background: var(--primary-light);
    color: var(--primary);
    font-size: 17px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}
.nav-toggle:hover { background: var(--primary); color: #fff; }

/* ===== Breadcrumb ===== */
.breadcrumb {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    font-size: 13px;
    color: var(--text-muted);
}
.breadcrumb-inner {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.breadcrumb-inner a { color: var(--text-muted); transition: color 0.3s; }
.breadcrumb-inner a:hover { color: var(--primary); }
.breadcrumb-inner .sep { color: var(--border-deep); font-size: 12px; }
.breadcrumb-inner .current {
    color: var(--text-sub);
    max-width: 320px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Article Main ===== */
.article-main-area { padding: 48px 0 0; }
.article-layout {
    display: flex;
    gap: 40px;
    justify-content: center;
    align-items: flex-start;
}
.article-main {
    flex: 0 0 760px;
    max-width: 760px;
    min-width: 0;
}
.article-card {
    background: var(--card);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 44px 48px;
}
.article-head { margin-bottom: 28px; }
.article-head h1 {
    font-size: clamp(26px, 3.2vw, 34px);
    line-height: 1.4;
    font-weight: 700;
    color: #1B2E40;
    margin-bottom: 20px;
    word-break: break-word;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
    padding: 14px 0;
    border-top: 1px solid #F0F3F7;
    border-bottom: 1px solid #F0F3F7;
    color: var(--text-muted);
    font-size: 13px;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--primary); opacity: 0.55; font-size: 14px; }
.meta-category {
    background: var(--primary-light);
    color: var(--primary) !important;
    padding: 3px 12px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 12px;
}

.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: #3A4A5A;
    word-break: break-word;
}
.article-content > *:last-child { margin-bottom: 0; }
.article-content h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    border-left: 3px solid var(--primary);
    padding-left: 14px;
    margin: 34px 0 16px;
    line-height: 1.5;
}
.article-content h3 {
    font-size: 19px;
    font-weight: 600;
    color: var(--text-main);
    margin: 28px 0 14px;
    line-height: 1.5;
}
.article-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin: 22px 0 12px;
}
.article-content p { margin: 0 0 18px; }
.article-content a {
    color: var(--primary);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.3s;
}
.article-content a:hover { color: var(--primary-dark); }
.article-content blockquote {
    border-left: 3px solid var(--accent);
    background: var(--accent-light);
    padding: 16px 22px;
    border-radius: 0 10px 10px 0;
    margin: 22px 0;
    color: var(--text-sub);
    font-size: 15px;
}
.article-content ul,
.article-content ol {
    margin: 0 0 20px;
    padding-left: 26px;
}
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li {
    margin-bottom: 8px;
    padding-left: 4px;
}
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 24px 0;
    box-shadow: var(--shadow-sm);
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 22px 0;
    font-size: 14px;
}
.article-content table th,
.article-content table td {
    border: 1px solid var(--border);
    padding: 10px 14px;
    text-align: left;
}
.article-content table th {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}
.article-content code {
    background: #F0F3F7;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 7px;
    font-size: 13px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    color: #C7254E;
}
.article-content pre {
    background: #1B2E40;
    color: #D6E4F0;
    border-radius: 10px;
    padding: 20px 24px;
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.7;
    margin: 22px 0;
}
.article-content pre code {
    background: transparent;
    border: none;
    color: inherit;
    padding: 0;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid #F0F3F7;
}
.tag-label { font-size: 14px; color: var(--text-sub); font-weight: 600; }
.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-sub);
    font-size: 13px;
    padding: 5px 14px;
    border-radius: var(--radius-pill);
    transition: all 0.3s;
}
.tag-item:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.article-pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}
.pager-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 16px 18px;
    transition: all 0.3s;
    min-width: 0;
}
.pager-card:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.pager-prev { text-align: left; }
.pager-next { text-align: right; flex-direction: row-reverse; }
.pager-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--border);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
    transition: all 0.3s;
}
.pager-card:hover .pager-icon {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.pager-text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.pager-label { font-size: 12px; color: var(--text-muted); }
.pager-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Sidebar ===== */
.article-sidebar { flex: 0 0 300px; width: 300px; min-width: 0; }
.side-widget {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 22px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.side-widget-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-light);
}
.side-widget-title i { color: var(--accent); font-size: 15px; }
.side-list { display: flex; flex-direction: column; gap: 16px; }
.side-list-item {
    display: flex;
    gap: 12px;
    align-items: center;
    transition: all 0.3s;
}
.side-list-item img {
    width: 68px;
    height: 46px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
    background: var(--primary-light);
    transition: transform 0.3s;
}
.side-list-item:hover img { transform: scale(1.05); }
.side-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}
.side-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s;
}
.side-list-item:hover .side-title { color: var(--primary); }
.side-meta { font-size: 12px; color: var(--text-muted); display: inline-flex; align-items: center; gap: 5px; }
.side-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.side-tags a {
    font-size: 13px;
    color: var(--text-sub);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 5px 13px;
    transition: all 0.3s;
}
.side-tags a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* ===== Related Section ===== */
.related-section {
    margin-top: var(--space-section);
    padding-bottom: 8px;
}
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}
.section-head h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    position: relative;
    padding-left: 16px;
}
.section-head h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 22px;
    border-radius: 3px;
    background: var(--accent);
}
.section-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    transition: all 0.3s;
}
.section-more:hover { gap: 10px; color: var(--primary-dark); }
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-deep);
}
.related-cover {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: var(--primary-light);
}
.related-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.related-card:hover .related-cover img { transform: scale(1.04); }
.related-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: #2B3A4A;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 11px;
    border-radius: var(--radius-pill);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}
.related-info { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.related-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s;
}
.related-card:hover .related-info h3 { color: var(--primary); }
.related-info p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-top: auto;
}

/* ===== Article CTA ===== */
.article-cta { margin-top: var(--space-section); padding-bottom: 8px; }
.cta-box {
    position: relative;
    background: linear-gradient(135deg, #EAF1F7 0%, #F7FAFD 60%, #FBF1DE 100%);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 56px 48px;
    text-align: center;
    overflow: hidden;
}
.cta-box::before,
.cta-box::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.cta-box::before {
    width: 200px;
    height: 200px;
    background: rgba(44, 95, 138, 0.08);
    top: -80px;
    right: -60px;
}
.cta-box::after {
    width: 120px;
    height: 120px;
    background: rgba(232, 163, 61, 0.15);
    bottom: -50px;
    left: -40px;
}
.cta-box h2 {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}
.cta-box p {
    font-size: 15px;
    color: var(--text-sub);
    margin-bottom: 28px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}
.cta-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ===== Article Empty ===== */
.article-empty {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 80px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    max-width: 560px;
    margin: 0 auto;
}
.empty-icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}
.article-empty h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
}
.article-empty p {
    color: var(--text-sub);
    font-size: 15px;
    margin-bottom: 28px;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--footer-bg);
    color: #B8C6D2;
    padding-top: 56px;
    margin-top: var(--space-section);
    position: relative;
    overflow: hidden;
}
.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0.8;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
}
.footer-brand .logo { color: #fff; }
.footer-brand .logo-icon { background: var(--accent); color: var(--footer-bg); box-shadow: none; }
.footer-brand .logo-text strong { color: #fff; font-size: 20px; }
.footer-brand .logo-text span { color: #7A92A6; }
.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #7A92A6;
    margin-top: 16px;
    max-width: 400px;
}
.footer-links-title {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}
.footer-links-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: var(--accent);
}
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a {
    color: #7A92A6;
    font-size: 14px;
    transition: color 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.footer-links a i { font-size: 12px; }
.footer-links a:hover { color: var(--accent); }
.footer-contact { display: flex; flex-direction: column; gap: 14px; }
.contact-line {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #7A92A6;
}
.contact-line i { color: var(--accent); width: 16px; text-align: center; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #5E7588;
    flex-wrap: wrap;
    gap: 8px;
}
.footer-legal-links { display: flex; gap: 20px; }
.footer-legal-links a { color: #5E7588; transition: color 0.3s; }
.footer-legal-links a:hover { color: var(--accent); }

/* ===== Back Top ===== */
.back-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: #fff;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    font-size: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(36, 63, 92, 0.16);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(0.95);
    transition: all 0.3s ease;
    z-index: 99;
}
.back-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}
.back-top:hover {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 20px rgba(44, 95, 138, 0.35);
}
.back-top:active { transform: scale(0.95); }

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .article-layout { justify-content: flex-start; }
    .article-sidebar { display: none; }
    .article-main { flex: 1 1 100%; max-width: 820px; margin: 0 auto; }
}

@media (max-width: 1023px) {
    .header-inner {
        grid-template-columns: auto 1fr auto;
        height: 72px;
    }
    .header-search { max-width: 320px; }
    .header-menu {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 14px 20px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 12px 24px rgba(36, 63, 92, 0.12);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: -1;
    }
    .header-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        z-index: 10;
    }
    .header-menu a {
        padding: 12px 16px;
        border-radius: var(--radius-btn);
        font-size: 15px;
    }
    .nav-toggle { display: inline-flex; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
    :root { --space-section: 48px; }
    .container { padding-left: 16px; padding-right: 16px; }
    .header-inner {
        grid-template-columns: 1fr auto;
        height: auto;
        padding-top: 12px;
        padding-bottom: 12px;
        gap: 10px;
    }
    .logo-text strong { font-size: 17px; }
    .logo-text span { font-size: 11px; }
    .logo-icon { width: 38px; height: 38px; font-size: 19px; }
    .nav-toggle { grid-column: 2; grid-row: 1; }
    .header-search {
        grid-column: 1 / -1;
        grid-row: 2;
        max-width: 100%;
    }
    .header-search button { padding: 0 14px; font-size: 12px; }
    .header-menu { top: auto; }
    .breadcrumb { padding: 12px 0; }
    .breadcrumb-inner .current { max-width: 160px; }
    .article-main-area { padding-top: 24px; }
    .article-card { padding: 24px 20px; border-radius: 12px; }
    .article-head h1 { font-size: 24px; }
    .article-meta { gap: 10px 14px; font-size: 12px; }
    .article-content { font-size: 15px; }
    .article-content h2 { font-size: 20px; }
    .article-pager { grid-template-columns: 1fr; }
    .pager-next { flex-direction: row; text-align: left; }
    .related-grid { grid-template-columns: 1fr; gap: 16px; }
    .cta-box { padding: 40px 20px; border-radius: 14px; }
    .cta-btns { flex-direction: column; align-items: stretch; }
    .cta-btns .btn { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 10px; }
    .back-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }
    .article-main-area .container { padding-left: 12px; padding-right: 12px; }
    .article-layout { gap: 0; }
}

/* roulang page: category2 */
:root {
    --primary: #2C5F8A;
    --primary-dark: #234D6F;
    --primary-light: #EAF1F7;
    --accent: #E8A33D;
    --accent-dark: #D08C2B;
    --bg: #F5F7FA;
    --card-bg: #FFFFFF;
    --text-main: #2B3A4A;
    --text-sub: #5C6B7A;
    --text-muted: #98A6B3;
    --border: #E3E8EF;
    --footer-bg: #162D40;
    --radius: 12px;
    --radius-btn: 8px;
    --shadow: 0 2px 8px rgba(36, 63, 92, 0.06);
    --shadow-hover: 0 8px 24px rgba(36, 63, 92, 0.12);
    --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text-main);
    line-height: 1.8;
    font-size: 15px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input { font-family: inherit; border: none; outline: none; }
ul, ol { list-style: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--primary);
    color: #FFFFFF;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(44, 95, 138, 0.25); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible { outline: 3px solid rgba(44, 95, 138, 0.35); outline-offset: 2px; }

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #FFFFFF;
    color: var(--primary);
    font-size: 15px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    border: 1.5px solid var(--primary);
    transition: var(--transition);
    cursor: pointer;
}
.btn-outline:hover { background: var(--primary-light); border-color: var(--primary-dark); color: var(--primary-dark); }
.btn-outline:active { transform: translateY(0); }
.btn-outline:focus-visible { outline: 3px solid rgba(44, 95, 138, 0.3); outline-offset: 2px; }

.btn-accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent);
    color: #2B2B2B;
    font-size: 15px;
    font-weight: 700;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    border: 1.5px solid transparent;
    transition: var(--transition);
    cursor: pointer;
}
.btn-accent:hover { background: #F0B455; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(232, 163, 61, 0.3); }
.btn-accent:active { transform: translateY(0); }
.btn-accent:focus-visible { outline: 3px solid rgba(232, 163, 61, 0.4); outline-offset: 2px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    min-height: 76px;
    flex-wrap: wrap;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: #FFFFFF;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -1px;
    flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.35; }
.logo-text strong { font-size: 18px; font-weight: 700; color: var(--text-main); }
.logo-text span { font-size: 12px; color: var(--text-muted); letter-spacing: 0.5px; }
.header-search {
    flex: 1;
    max-width: 460px;
    display: flex;
    align-items: center;
    background: #F5F7FA;
    border-radius: 999px;
    padding: 0 6px 0 18px;
    height: 44px;
    border: 1.5px solid var(--border);
    transition: var(--transition);
    gap: 4px;
}
.header-search:focus-within {
    border-color: var(--primary);
    background: #FFFFFF;
    box-shadow: 0 0 0 4px rgba(44, 95, 138, 0.1);
}
.header-search i { color: var(--text-muted); font-size: 15px; flex-shrink: 0; }
.header-search input {
    flex: 1;
    min-width: 0;
    background: transparent;
    font-size: 14px;
    color: var(--text-main);
    padding: 0 8px;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search .search-btn {
    background: var(--primary);
    color: #FFFFFF;
    border-radius: 999px;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    flex-shrink: 0;
}
.header-search .search-btn:hover { background: var(--primary-dark); }
.header-search .search-btn:active { transform: scale(0.97); }
.header-search .search-btn:focus-visible { outline: 3px solid rgba(44, 95, 138, 0.35); }

.header-menu {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    flex-shrink: 0;
}
.header-menu a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-sub);
    transition: var(--transition);
    white-space: nowrap;
}
.header-menu a i { font-size: 14px; }
.header-menu a:hover { background: var(--primary-light); color: var(--primary); }
.header-menu a:active { background: #DCE7F0; }
.header-menu a.active { background: var(--primary); color: #FFFFFF; font-weight: 600; }
.header-menu a:focus-visible { outline: 3px solid rgba(44, 95, 138, 0.3); outline-offset: 2px; }

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: var(--primary-light);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    transition: var(--transition);
}
.nav-toggle:hover { background: #DCE7F0; }
.nav-toggle span { width: 18px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }

.category-banner {
    position: relative;
    padding: 100px 0 110px;
    background: var(--primary-dark) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    overflow: hidden;
}
.category-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(22, 45, 64, 0.88) 0%, rgba(22, 45, 64, 0.6) 50%, rgba(22, 45, 64, 0.3) 100%);
}
.category-banner .container { position: relative; z-index: 2; }
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 18px;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.9); transition: var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 11px; color: rgba(255, 255, 255, 0.5); }
.category-banner h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.3;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.banner-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    max-width: 560px;
    line-height: 1.8;
    margin-bottom: 28px;
}
.banner-search {
    display: flex;
    align-items: center;
    background: #FFFFFF;
    border-radius: 999px;
    height: 54px;
    max-width: 580px;
    padding: 0 6px 0 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    gap: 4px;
}
.banner-search i { color: var(--text-muted); flex-shrink: 0; }
.banner-search input {
    flex: 1;
    min-width: 0;
    background: transparent;
    font-size: 14px;
    color: var(--text-main);
    padding: 0 10px;
}
.banner-search input::placeholder { color: var(--text-muted); }
.banner-search .btn-primary { border-radius: 999px; padding: 12px 26px; flex-shrink: 0; }

.stats-section { padding: 0 0 72px; position: relative; z-index: 3; margin-top: -36px; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: #FFFFFF;
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.6);
}
.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-align: center;
    padding: 10px 0;
    position: relative;
}
.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: var(--border);
}
.stat-number {
    font-size: 30px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -1px;
    line-height: 1.2;
}
.stat-label { font-size: 13px; color: var(--text-sub); }

.section-pad { padding: 72px 0; }
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.section-head h2 { font-size: 28px; font-weight: 700; color: var(--text-main); letter-spacing: -0.3px; position: relative; padding-left: 16px; }
.section-head h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 22px;
    background: var(--accent);
    border-radius: 2px;
}
.section-head p { font-size: 14px; color: var(--text-sub); }
.section-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    padding: 6px 10px;
    border-radius: 6px;
}
.section-link:hover { background: var(--primary-light); gap: 10px; }
.section-link:focus-visible { outline: 3px solid rgba(44, 95, 138, 0.3); }

.filter-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.filter-btn {
    padding: 8px 20px;
    border-radius: 999px;
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.filter-btn:active { transform: scale(0.96); }
.filter-btn.active { background: var(--primary); color: #FFFFFF; border-color: var(--primary); font-weight: 600; }
.filter-btn:focus-visible { outline: 3px solid rgba(44, 95, 138, 0.3); outline-offset: 2px; }

.library-section { padding-bottom: 72px; }
.library-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    align-items: stretch;
}
.library-card {
    background: #FFFFFF;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.library-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.library-card-lg {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 46% 1fr;
}
.library-card .card-cover { position: relative; overflow: hidden; background: var(--primary-light); }
.library-card .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; min-height: 180px; }
.library-card:hover .card-cover img { transform: scale(1.03); }
.library-card-lg .card-cover { min-height: 300px; }
.library-card:not(.library-card-lg) .card-cover { height: 220px; }
.badge-hot {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(232, 163, 61, 0.4);
}
.rating {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.55);
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 8px;
    backdrop-filter: blur(4px);
}
.card-body { padding: 20px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.library-card-lg .card-body { justify-content: center; }
.card-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
}
.card-body h3 { font-size: 20px; font-weight: 700; color: var(--text-main); line-height: 1.4; transition: var(--transition); }
.library-card:hover .card-body h3 { color: var(--primary); }
.card-body p { color: var(--text-sub); font-size: 14px; line-height: 1.8; flex: 1; }
.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 13px;
    padding-top: 10px;
    border-top: 1px solid #F0F3F7;
    margin-top: auto;
}
.card-meta span i { margin-right: 4px; }
.card-link { color: var(--primary); font-weight: 600; transition: var(--transition); }
.card-link:hover { gap: 8px; transform: translateX(2px); color: var(--primary-dark); }

.zone-section { background: #FFFFFF; padding: 72px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.zone-scroll {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 4px 4px 16px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}
.zone-scroll::-webkit-scrollbar { display: none; }
.zone-card {
    flex: 0 0 220px;
    background: #FFFFFF;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    scroll-snap-align: start;
}
.zone-scroll { scroll-snap-type: x mandatory; }
.zone-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.zone-card .cover { height: 300px; position: relative; overflow: hidden; background: var(--primary-light); }
.zone-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.zone-card:hover .cover img { transform: scale(1.05); }
.zone-card .cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 65%, rgba(22, 45, 64, 0.35));
    pointer-events: none;
}
.zone-card .info { padding: 14px 16px; }
.zone-card .info .title { font-weight: 600; font-size: 15px; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: var(--transition); }
.zone-card:hover .info .title { color: var(--primary); }
.zone-card .info .meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.features-section { padding: 72px 0; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
    background: #FFFFFF;
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.5);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.feature-card i {
    font-size: 32px;
    color: var(--primary);
    width: 68px;
    height: 68px;
    background: var(--primary-light);
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.feature-card:hover i { background: var(--primary); color: #FFFFFF; }
.feature-card h3 { margin-top: 16px; font-size: 18px; font-weight: 700; color: var(--text-main); }
.feature-card p { margin-top: 8px; color: var(--text-sub); font-size: 14px; line-height: 1.8; }

.steps-section { padding: 72px 0; background: var(--primary-light); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps-section .section-head { justify-content: center; text-align: center; }
.steps-section .section-head h2 { padding-left: 0; }
.steps-section .section-head h2::before { display: none; }
.steps-section .section-head p { text-align: center; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-item {
    background: #FFFFFF;
    border-radius: var(--radius);
    padding: 36px 28px;
    position: relative;
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
}
.step-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.step-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    opacity: 0;
    transition: var(--transition);
}
.step-item:hover::before { opacity: 1; }
.step-number { font-size: 44px; font-weight: 800; color: var(--primary-light); line-height: 1; letter-spacing: -2px; }
.step-item h3 { font-size: 18px; font-weight: 700; margin-top: 10px; color: var(--text-main); }
.step-item p { color: var(--text-sub); font-size: 14px; margin-top: 6px; line-height: 1.8; }

.faq-section { padding: 72px 0; }
.faq-section .section-head { justify-content: center; text-align: center; }
.faq-section .section-head h2 { padding-left: 0; }
.faq-section .section-head h2::before { display: none; }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
    background: #FFFFFF;
    border-radius: var(--radius);
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid transparent;
}
.faq-item.active { border-color: rgba(44, 95, 138, 0.15); box-shadow: var(--shadow-hover); }
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    text-align: left;
    transition: var(--transition);
    gap: 16px;
    cursor: pointer;
    line-height: 1.5;
}
.faq-question:hover { background: #F8FAFC; }
.faq-question:focus-visible { outline: 3px solid rgba(44, 95, 138, 0.25); outline-offset: -2px; }
.faq-question i { color: var(--text-muted); font-size: 14px; transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(45deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item.active .faq-answer { max-height: 320px; }
.faq-answer p { padding: 0 24px 20px; color: var(--text-sub); font-size: 15px; line-height: 1.9; border-top: 1px solid #F0F3F7; margin: 0 24px; padding-left: 0; padding-right: 0; }

.cta-section {
    padding: 80px 0;
    background: var(--primary-light);
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(44, 95, 138, 0.07);
    top: -70px;
    left: 6%;
}
.cta-section::after {
    content: '';
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(232, 163, 61, 0.08);
    bottom: -90px;
    right: 8%;
}
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 700px; margin: 0 auto; }
.cta-inner h2 { font-size: 32px; font-weight: 800; color: var(--text-main); letter-spacing: -0.5px; }
.cta-inner p { margin-top: 14px; color: var(--text-sub); font-size: 16px; line-height: 1.8; }
.cta-inner .btn-accent { margin-top: 28px; padding: 14px 36px; font-size: 16px; }

.site-footer { background: var(--footer-bg); color: #B0BECB; padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.2fr; gap: 48px; padding-bottom: 44px; }
.footer-brand .logo { margin-bottom: 16px; }
.site-footer .logo-text strong { color: #FFFFFF; }
.site-footer .logo-text span { color: rgba(255, 255, 255, 0.55); }
.footer-desc { font-size: 14px; line-height: 1.9; color: rgba(255, 255, 255, 0.65); max-width: 360px; margin-top: 6px; }
.footer-links-title { font-size: 16px; font-weight: 600; color: #FFFFFF; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-links-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    transition: var(--transition);
}
.footer-links a i { font-size: 12px; color: var(--accent); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-links a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.contact-line { display: flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, 0.65); font-size: 14px; }
.contact-line i { width: 20px; color: var(--accent); text-align: center; flex-shrink: 0; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    flex-wrap: wrap;
}
.footer-bottom p { margin: 0; }
.footer-legal-links { display: flex; gap: 20px; }
.footer-legal-links a { color: rgba(255, 255, 255, 0.6); transition: var(--transition); font-size: 13px; }
.footer-legal-links a:hover { color: var(--accent); }
.footer-legal-links a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

@media (max-width: 1023px) {
    .header-inner { gap: 12px; }
    .header-search { max-width: 320px; }
    .header-menu a { padding: 8px 12px; font-size: 13px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2)::after { display: none; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .library-card-lg { grid-template-columns: 40% 1fr; }
    .category-banner { padding: 80px 0 90px; }
}

@media (max-width: 767px) {
    .container { padding: 0 16px; }
    .site-header .container { padding: 0 16px; }
    .header-inner { flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; min-height: 0; }
    .logo { flex: 1; }
    .logo-icon { width: 38px; height: 38px; font-size: 18px; }
    .logo-text strong { font-size: 16px; }
    .logo-text span { font-size: 11px; }
    .nav-toggle { display: flex; order: 3; }
    .header-search {
        order: 4;
        max-width: 100%;
        flex: 0 0 100%;
        margin-top: 8px;
    }
    .header-menu {
        display: none;
        order: 5;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
        padding-top: 12px;
        border-top: 1px solid var(--border);
        margin-top: 8px;
    }
    .header-menu a { width: 100%; padding: 12px 14px; font-size: 15px; border-radius: 8px; }
    .header-inner.menu-open .header-menu { display: flex; }
    .header-inner.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .header-inner.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
    .header-inner.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .category-banner { padding: 60px 0 88px; }
    .category-banner h1 { font-size: 30px; }
    .banner-subtitle { font-size: 15px; }
    .banner-search { height: 50px; border-radius: 24px; }
    .banner-search .btn-primary { padding: 10px 16px; font-size: 13px; }
    .stats-section { margin-top: -28px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); padding: 24px 20px; gap: 16px; }
    .stat-number { font-size: 24px; }
    .section-pad { padding: 48px 0; }
    .section-head h2 { font-size: 22px; }
    .library-section { padding-bottom: 48px; }
    .library-grid { grid-template-columns: 1fr; gap: 16px; }
    .library-card-lg { grid-template-columns: 1fr; }
    .library-card-lg .card-cover { min-height: 200px; }
    .library-card:not(.library-card-lg) .card-cover { height: 200px; }
    .zone-section { padding: 48px 0; }
    .zone-card { flex: 0 0 140px; }
    .zone-card .cover { height: 200px; }
    .zone-card .info { padding: 10px 12px; }
    .zone-card .info .title { font-size: 13px; }
    .features-section { padding: 48px 0; }
    .features-grid { grid-template-columns: 1fr; gap: 16px; }
    .feature-card { padding: 24px 20px; }
    .steps-section { padding: 48px 0; }
    .steps-grid { grid-template-columns: 1fr; gap: 16px; }
    .step-item { padding: 24px 20px; }
    .step-number { font-size: 32px; }
    .faq-section { padding: 48px 0; }
    .faq-question { padding: 16px 18px; font-size: 15px; }
    .faq-answer p { font-size: 14px; }
    .cta-section { padding: 56px 0; }
    .cta-inner h2 { font-size: 24px; }
    .cta-inner p { font-size: 14px; }
    .cta-inner .btn-accent { margin-top: 20px; width: 100%; max-width: 260px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
    .site-footer { padding-top: 44px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .footer-legal-links { gap: 14px; }
}