/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0a2e5c;
            --primary-light: #1a4a7a;
            --primary-dark: #071f3f;
            --accent: #e63946;
            --accent-hover: #c1121f;
            --accent-light: #fae1e3;
            --bg-light: #f8f9fc;
            --bg-dark: #0a1a2e;
            --text-dark: #1a1a2e;
            --text-muted: #6b7a8f;
            --text-light: #ffffff;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(10, 46, 92, 0.08);
            --shadow-lg: 0 12px 40px rgba(10, 46, 92, 0.15);
            --shadow-hover: 0 8px 32px rgba(10, 46, 92, 0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --section-spacing: 80px;
            --grid-gap: 32px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-light);
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            :root {
                --section-spacing: 48px;
                --grid-gap: 20px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(10, 46, 92, 0.10);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        .site-logo i {
            font-size: 1.8rem;
            color: var(--accent);
        }

        .site-logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .site-logo:hover {
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-list a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }

        .nav-list a i {
            font-size: 0.9rem;
        }

        .nav-list a:hover,
        .nav-list a.active {
            color: var(--primary);
            background: rgba(10, 46, 92, 0.06);
        }

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

        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.4);
            color: #fff !important;
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            color: var(--primary);
            cursor: pointer;
            padding: 4px;
            border-radius: 6px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(10, 46, 92, 0.06);
        }

        @media (max-width: 900px) {
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px 32px;
                gap: 16px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: 0 12px 40px rgba(10, 46, 92, 0.10);
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-list {
                flex-direction: column;
                width: 100%;
                gap: 4px;
            }

            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1.05rem;
            }

            .nav-list a.active::after {
                display: none;
            }

            .nav-list a.active {
                background: rgba(10, 46, 92, 0.08);
            }

            .nav-cta {
                width: 100%;
                justify-content: center;
                padding: 14px;
            }

            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }

        /* ===== Hero ===== */
        .hero {
            padding-top: calc(var(--header-height) + 20px);
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, #0a1a2e 0%, #0a2e5c 50%, #1a4a7a 100%);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.20;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 26, 46, 0.85) 0%, rgba(10, 46, 92, 0.70) 100%);
        }

        .hero .container {
            position: relative;
            z-index: 1;
            padding-top: 40px;
            padding-bottom: 60px;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content {
            max-width: 600px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .hero-badge i {
            color: var(--accent);
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

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

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 8px;
            background: rgba(230, 57, 70, 0.25);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 520px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff !important;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.35);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(230, 57, 70, 0.45);
            color: #fff !important;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 30px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.30);
            color: #fff !important;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            background: transparent;
            cursor: pointer;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
            color: #fff !important;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
            padding-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
        }

        .hero-stat-item {
            text-align: center;
        }

        .hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat-number span {
            color: var(--accent);
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

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

        .hero-image-wrap {
            position: relative;
            width: 100%;
            max-width: 520px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.30);
        }

        .hero-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }

        .hero-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            pointer-events: none;
        }

        .hero-floating-card {
            position: absolute;
            bottom: -20px;
            left: -20px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            padding: 16px 20px;
            border-radius: var(--radius);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 160px;
        }

        .hero-floating-card i {
            font-size: 2rem;
            color: var(--accent);
        }

        .hero-floating-card .fc-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-dark);
        }

        .hero-floating-card .fc-sub {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.6rem;
            }
            .hero-grid {
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .hero {
                min-height: auto;
                padding-top: calc(var(--header-height) + 20px);
                padding-bottom: 40px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-content {
                max-width: 100%;
                text-align: center;
            }
            .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
                margin-top: 32px;
                padding-top: 24px;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
            .hero-visual {
                order: -1;
            }
            .hero-image-wrap {
                max-width: 400px;
            }
            .hero-floating-card {
                bottom: -16px;
                left: 50%;
                transform: translateX(-50%);
                min-width: 140px;
                padding: 12px 16px;
            }
        }

        @media (max-width: 480px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 14px 24px;
                font-size: 0.95rem;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }

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

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 50px;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== Features / 核心说明 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--grid-gap);
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }

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

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: var(--accent-light);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin: 0 auto 20px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--accent);
            color: #fff;
        }

        .feature-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .feature-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Categories / 分类入口 ===== */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--grid-gap);
        }

        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

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

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

        .category-card .cat-body {
            padding: 24px 28px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card .cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 2px 12px;
            border-radius: 50px;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .category-card .cat-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .category-card .cat-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .category-card .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.95rem;
            align-self: flex-start;
            transition: var(--transition);
        }

        .category-card .cat-link:hover {
            gap: 12px;
            color: var(--accent-hover);
        }

        @media (max-width: 768px) {
            .categories-grid {
                grid-template-columns: 1fr;
            }
            .category-card .cat-img {
                height: 180px;
            }
        }

        /* ===== Latest Posts / 资讯列表 ===== */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--grid-gap);
        }

        .post-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .post-card .post-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .post-card .post-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

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

        .post-card .post-meta .cat-badge {
            padding: 2px 10px;
            border-radius: 50px;
            background: var(--accent-light);
            color: var(--accent);
            font-weight: 600;
            font-size: 0.75rem;
        }

        .post-card .post-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card:hover .post-title {
            color: var(--accent);
        }

        .post-card .post-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }

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

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

        .post-card .post-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .post-card .post-read-more:hover {
            gap: 10px;
            color: var(--accent-hover);
        }

        .posts-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 1.1rem;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .posts-empty i {
            font-size: 2.4rem;
            color: var(--border);
            margin-bottom: 16px;
            display: block;
        }

        @media (max-width: 768px) {
            .posts-grid {
                grid-template-columns: 1fr;
            }
            .post-card .post-img {
                height: 180px;
            }
        }

        /* ===== Process / 流程 ===== */
        .process-section {
            background: var(--primary);
            color: #fff;
        }

        .process-section .section-title {
            color: #fff;
        }

        .process-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        .process-section .section-tag {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--grid-gap);
            counter-reset: step;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-4px);
        }

        .process-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.30);
        }

        .process-step .step-icon {
            font-size: 2.2rem;
            color: rgba(255, 255, 255, 0.80);
            margin-bottom: 16px;
        }

        .process-step .step-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step .step-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }

        .process-step+.process-step::before {
            content: '→';
            position: absolute;
            left: -24px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.6rem;
            color: rgba(255, 255, 255, 0.20);
            font-weight: 300;
        }

        @media (max-width: 900px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-step+.process-step::before {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: 0 2px 12px rgba(10, 46, 92, 0.06);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            gap: 16px;
            background: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question i {
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.70);
            line-height: 1.7;
            margin-bottom: 32px;
        }

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

        .cta-actions .btn-primary {
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.40);
        }

        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.30);
            color: #fff !important;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            background: transparent;
            cursor: pointer;
        }

        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-3px);
            color: #fff !important;
        }

        @media (max-width: 768px) {
            .cta-title {
                font-size: 1.6rem;
            }
            .cta-desc {
                font-size: 1rem;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn-primary,
            .btn-outline-white {
                width: 100%;
                max-width: 320px;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.70);
            padding: 48px 0 32px;
        }

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

        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .site-logo span {
            background: linear-gradient(135deg, #fff, rgba(255, 255, 255, 0.80));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.50);
            max-width: 320px;
        }

        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .footer-links a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.40);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.50);
        }

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

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.50);
            transition: var(--transition);
            font-size: 0.9rem;
        }

        .footer-social a:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(230, 57, 70, 0.10);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Utilities ===== */
        .text-center {
            text-align: center;
        }

        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-48 {
            margin-top: 48px;
        }

        /* ===== Back to Top ===== */
        .back-to-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 20px rgba(10, 46, 92, 0.20);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

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

        .back-to-top:hover {
            background: var(--accent);
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.30);
        }

        @media (max-width: 520px) {
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #f1c0c0;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-light: #f9d9b3;
            --bg: #f8f9fa;
            --bg-alt: #ffffff;
            --bg-dark: #1d3557;
            --text: #1a1a2e;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border: #e0e0e0;
            --border-light: #f0f0f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-hover: 0 8px 40px rgba(0,0,0,0.15);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; font-size: 1rem; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
        h1 { font-size: 2.25rem; }
        h2 { font-size: 1.75rem; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.15rem; }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.5px;
        }
        .site-logo i { color: var(--primary); font-size: 1.6rem; }
        .site-logo span { background: linear-gradient(135deg, var(--secondary), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .site-logo:hover { opacity: 0.85; }
        .main-nav { display: flex; align-items: center; gap: 32px; }
        .nav-list { display: flex; align-items: center; gap: 8px; }
        .nav-list li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
        }
        .nav-list li a i { font-size: 0.85rem; color: var(--text-light); transition: var(--transition); }
        .nav-list li a:hover { background: var(--primary-light); color: var(--primary-dark); }
        .nav-list li a:hover i { color: var(--primary-dark); }
        .nav-list li a.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(230,57,70,0.3); }
        .nav-list li a.active i { color: #fff; }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(230,57,70,0.35);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-cta i { color: #fff !important; }
        .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(230,57,70,0.45); }
        .nav-toggle { display: none; font-size: 1.6rem; color: var(--secondary); padding: 8px; }

        /* ===== Article Hero Banner ===== */
        .article-hero {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b2a 100%);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
        }
        .article-hero .container { position: relative; z-index: 2; padding-top: 40px; padding-bottom: 40px; }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a { color: rgba(255,255,255,0.8); }
        .article-hero .breadcrumb a:hover { color: #fff; }
        .article-hero .breadcrumb span { color: rgba(255,255,255,0.5); }
        .article-hero h1 {
            font-size: 2.5rem;
            color: #fff;
            max-width: 860px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .article-meta-hero {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            color: rgba(255,255,255,0.85);
            font-size: 0.95rem;
        }
        .article-meta-hero .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 16px;
            border-radius: 50px;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(4px);
            font-size: 0.85rem;
        }
        .article-meta-hero .meta-tag i { font-size: 0.75rem; }

        /* ===== Article Main ===== */
        .article-main {
            padding: 60px 0 80px;
            background: var(--bg);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
            align-items: start;
        }
        .article-body {
            background: var(--bg-alt);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 48px;
            overflow: hidden;
        }
        .article-body .featured-image {
            width: 100%;
            border-radius: var(--radius);
            margin-bottom: 32px;
            max-height: 480px;
            object-fit: cover;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }
        .article-body .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body .article-content p {
            margin-bottom: 1.6em;
        }
        .article-body .article-content h2, 
        .article-body .article-content h3 {
            margin-top: 2em;
            margin-bottom: 0.8em;
        }
        .article-body .article-content h2 { font-size: 1.6rem; }
        .article-body .article-content h3 { font-size: 1.3rem; }
        .article-body .article-content ul, 
        .article-body .article-content ol {
            margin-bottom: 1.6em;
            padding-left: 1.8em;
        }
        .article-body .article-content ul li { list-style: disc; margin-bottom: 0.4em; }
        .article-body .article-content ol li { list-style: decimal; margin-bottom: 0.4em; }
        .article-body .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 24px;
            margin: 1.6em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text);
        }
        .article-body .article-content img {
            border-radius: var(--radius);
            margin: 1.6em auto;
            box-shadow: var(--shadow);
        }
        .article-body .article-content a { color: var(--primary); font-weight: 600; text-decoration: underline; }
        .article-body .article-content a:hover { color: var(--primary-dark); }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 50px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary); color: #fff; }
        .article-nav-links {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
            gap: 20px;
            flex-wrap: wrap;
        }
        .article-nav-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            flex: 1;
            min-width: 200px;
        }
        .article-nav-links a:hover { background: var(--primary-light); color: var(--primary-dark); }
        .article-nav-links .nav-next { text-align: right; justify-content: flex-end; }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list li a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text);
            font-size: 0.95rem;
            line-height: 1.4;
        }
        .sidebar-list li a:hover { color: var(--primary); }
        .sidebar-list li a .list-num {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
        }
        .sidebar-list li a .list-text { flex: 1; }
        .sidebar-list li a .list-text small {
            display: block;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 2px;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--secondary), #0d1b2a);
            color: #fff;
            padding: 32px 28px;
            text-align: center;
            border-radius: var(--radius);
        }
        .sidebar-cta h4 { color: #fff; font-size: 1.2rem; margin-bottom: 12px; }
        .sidebar-cta p { color: rgba(255,255,255,0.8); font-size: 0.9rem; margin-bottom: 20px; }
        .sidebar-cta .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 4px 16px rgba(230,57,70,0.4);
            transition: var(--transition);
        }
        .sidebar-cta .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(230,57,70,0.5); }

        /* ===== Article Not Found ===== */
        .not-found-wrap {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-wrap i { font-size: 4rem; color: var(--text-light); margin-bottom: 24px; display: block; }
        .not-found-wrap h2 { font-size: 1.8rem; margin-bottom: 16px; }
        .not-found-wrap p { color: var(--text-light); max-width: 500px; margin: 0 auto 32px; }
        .not-found-wrap .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-wrap .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255,255,255,0.85);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand .site-logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .site-logo span { -webkit-text-fill-color: #fff; background: none; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.65); max-width: 360px; }
        .footer-col-title { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 16px; letter-spacing: 0.5px; }
        .footer-links { display: flex; flex-direction: column; gap: 10px; }
        .footer-links a {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-links a i { font-size: 0.65rem; color: var(--primary); }
        .footer-links a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            :root { --nav-height: 64px; }
            h1 { font-size: 1.7rem; }
            h2 { font-size: 1.4rem; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-body { padding: 24px; }
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 16px;
                box-shadow: var(--shadow);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 2px solid var(--border-light);
                z-index: 999;
            }
            .main-nav.open { transform: translateY(0); opacity: 1; }
            .nav-list { flex-direction: column; width: 100%; gap: 4px; }
            .nav-list li a { width: 100%; justify-content: center; padding: 12px; }
            .nav-cta { width: 100%; justify-content: center; }
            .nav-toggle { display: block; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-nav-links { flex-direction: column; }
            .article-nav-links a { text-align: center; justify-content: center; }
            .article-meta-hero { flex-direction: column; align-items: flex-start; gap: 10px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-body { padding: 16px; }
            .sidebar-card { padding: 20px; }
            .article-hero { min-height: 240px; }
            .article-main { padding: 40px 0 60px; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-8 { margin-top: 32px; }
        .mb-8 { margin-bottom: 32px; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #f1c0b8;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg: #ffffff;
            --bg-alt: #f8f9fa;
            --bg-dark: #1d3557;
            --text: #1a1a2e;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border: #e9ecef;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 64px;
            --spacing-xl: 100px;
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul {
            list-style: none;
        }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
        }
        .site-logo i {
            font-size: 1.5rem;
            color: var(--primary);
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-list li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            position: relative;
        }
        .nav-list li a i {
            font-size: 0.9rem;
            color: var(--text-light);
            transition: color var(--transition);
        }
        .nav-list li a:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }
        .nav-list li a:hover i {
            color: var(--primary);
        }
        .nav-list li a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-list li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }
        .nav-list li a.active i {
            color: var(--primary);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
        }
        .nav-cta i {
            font-size: 1rem;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-alt);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(69, 123, 157, 0.4), transparent 60%);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .page-banner .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .page-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition);
        }
        .page-banner .breadcrumb a:hover {
            color: #fff;
        }
        .page-banner .breadcrumb span {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--spacing-lg) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.8;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-sub {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card {
            background: var(--bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .card-img {
            width: 100%;
            height: 210px;
            object-fit: cover;
            background: var(--bg-alt);
        }
        .card-body {
            padding: 22px 24px 24px;
        }
        .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .card-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .card-tag.secondary {
            background: #d0e4f5;
            color: var(--secondary);
        }
        .card-tag.accent {
            background: #fce4d6;
            color: #c7702a;
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-title a {
            color: inherit;
        }
        .card-title a:hover {
            color: var(--primary);
        }
        .card-excerpt {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .card-meta .meta-left i {
            color: var(--primary);
        }
        .card-meta .read-more {
            color: var(--primary);
            font-weight: 600;
            transition: gap var(--transition);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .card-meta .read-more:hover {
            gap: 8px;
        }

        /* ===== Featured Post (large card) ===== */
        .featured-post {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            margin-bottom: 48px;
        }
        .featured-post .featured-img {
            width: 100%;
            height: 100%;
            min-height: 360px;
            object-fit: cover;
            background: var(--bg-alt);
        }
        .featured-post .featured-content {
            padding: 40px 40px 40px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-post .featured-content .card-tags {
            margin-bottom: 14px;
        }
        .featured-post .featured-content .card-tag {
            font-size: 0.8rem;
            padding: 4px 16px;
        }
        .featured-post .featured-content h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .featured-post .featured-content h2 a {
            color: var(--text);
        }
        .featured-post .featured-content h2 a:hover {
            color: var(--primary);
        }
        .featured-post .featured-content p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .featured-post .featured-content .btn {
            align-self: flex-start;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.25);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.35);
            color: #fff;
        }
        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        /* ===== Tags Cloud ===== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 16px;
        }
        .tags-cloud a {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-light);
            transition: all var(--transition);
        }
        .tags-cloud a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.2);
        }

        /* ===== Schedule / Timeline ===== */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg);
            padding: 18px 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .schedule-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .schedule-item .s-time {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary);
            min-width: 80px;
        }
        .schedule-item .s-info {
            flex: 1;
        }
        .schedule-item .s-info .s-title {
            font-weight: 600;
            color: var(--text);
        }
        .schedule-item .s-info .s-desc {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .schedule-item .s-status {
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: #e8f5e9;
            color: #2e7d32;
        }
        .schedule-item .s-status.live {
            background: #fce4ec;
            color: #c62828;
            animation: pulse-dot 1.8s infinite;
        }
        .schedule-item .s-status.upcoming {
            background: #fff3e0;
            color: #e65100;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }

        /* ===== Stats / Numbers ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.92rem;
            color: var(--text-light);
            margin-top: 8px;
        }
        .stat-card .stat-icon {
            font-size: 1.8rem;
            color: var(--primary-light);
            margin-bottom: 10px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--spacing-lg) 0;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .cta-section .btn-primary:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            color: var(--text-light);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: var(--spacing-lg) 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .site-logo span {
            -webkit-text-fill-color: #fff;
            background: none;
        }
        .footer-brand .site-logo i {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
        }
        .footer-col-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            transition: all var(--transition);
        }
        .footer-links a i {
            font-size: 0.7rem;
            color: var(--primary);
        }
        .footer-links a:hover {
            color: #fff;
            transform: translateX(4px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-post {
                grid-template-columns: 1fr;
            }
            .featured-post .featured-content {
                padding: 24px 28px;
            }
            .featured-post .featured-img {
                min-height: 280px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .page-banner h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-lg: 48px;
                --spacing-xl: 64px;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 16px;
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s ease;
                border-bottom: 1px solid var(--border);
                align-items: stretch;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-list {
                flex-direction: column;
                gap: 2px;
            }
            .nav-list li a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-list li a.active::after {
                display: none;
            }
            .nav-list li a.active {
                background: rgba(230, 57, 70, 0.08);
            }
            .nav-cta {
                justify-content: center;
                margin-top: 8px;
            }
            .nav-toggle {
                display: block;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .page-banner {
                padding: 110px 0 60px;
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }
            .featured-post .featured-content h2 {
                font-size: 1.4rem;
            }
            .schedule-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .schedule-item .s-time {
                min-width: auto;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .card-body {
                padding: 18px 18px 20px;
            }
            .featured-post .featured-content {
                padding: 18px 20px;
            }
            .tags-cloud a {
                font-size: 0.78rem;
                padding: 4px 14px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b76;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-light: #ffb703;
            --bg-light: #f8f9fa;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #2d3436;
            --text-muted: #636e72;
            --text-light: #dfe6e9;
            --border: #e0e0e0;
            --border-light: #f0f0f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.14);
            --shadow-hover: 0 12px 40px rgba(230,57,70,0.18);
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-h: 76px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            padding-top: var(--header-h);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        ul { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        button { cursor: pointer; background: none; }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section { padding: 80px 0; }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            text-align: center;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-sub {
            text-align: center;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 48px;
            font-size: 1.1rem;
        }
        .tag {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(230,57,70,0.08);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            background: var(--accent);
            color: #fff;
        }
        .badge-hot { background: var(--primary); }
        .badge-new { background: var(--secondary); }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--header-h);
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 12px rgba(0,0,0,0.04);
            transition: var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
        }
        .site-logo i { color: var(--primary); font-size: 1.7rem; }
        .site-logo:hover { color: var(--primary); }
        .site-logo span { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .nav-list li a i { font-size: 0.9rem; }
        .nav-list li a:hover { color: var(--primary); background: rgba(230,57,70,0.06); }
        .nav-list li a.active { color: #fff; background: var(--primary); box-shadow: 0 4px 14px rgba(230,57,70,0.30); }
        .nav-list li a.active:hover { background: var(--primary-dark); }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 26px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            background: var(--secondary);
            transition: var(--transition);
        }
        .nav-cta i { font-size: 1rem; }
        .nav-cta:hover { background: #162a45; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(29,53,87,0.30); color: #fff; }
        .nav-toggle { display: none; font-size: 1.7rem; color: var(--text-dark); padding: 6px 10px; border-radius: 8px; }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, rgba(26,26,46,0.88) 0%, rgba(29,53,87,0.92) 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 60px 24px;
            margin-bottom: 0;
        }
        .category-hero .hero-content { position: relative; z-index: 2; max-width: 800px; }
        .category-hero .hero-tag { display: inline-block; margin-bottom: 20px; }
        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 18px;
        }
        .category-hero h1 i { color: var(--accent); }
        .category-hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.80);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-stat-item { text-align: center; }
        .hero-stat-item .num { font-size: 2.2rem; font-weight: 900; color: #fff; display: block; line-height: 1.2; }
        .hero-stat-item .label { font-size: 0.9rem; color: rgba(255,255,255,0.65); font-weight: 500; }

        /* ===== Intro / 分类介绍 ===== */
        .intro-section { background: #fff; padding: 70px 0; }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .intro-text h2 { font-size: 2rem; font-weight: 800; color: var(--text-dark); margin-bottom: 20px; }
        .intro-text p { color: var(--text-muted); margin-bottom: 16px; font-size: 1.05rem; line-height: 1.8; }
        .intro-text .intro-list { margin-top: 20px; }
        .intro-text .intro-list li { display: flex; align-items: center; gap: 12px; padding: 8px 0; font-weight: 500; color: var(--text-body); }
        .intro-text .intro-list li i { color: var(--primary); font-size: 1.1rem; width: 24px; text-align: center; }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .intro-image img { width: 100%; height: 380px; object-fit: cover; transition: var(--transition); }
        .intro-image:hover img { transform: scale(1.03); }

        /* ===== Card Grid / 评测文章列表 ===== */
        .card-section { background: var(--bg-light); }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .review-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
        .review-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .review-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .review-card:hover .card-img img { transform: scale(1.05); }
        .review-card .card-img .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
        }
        .review-card .card-img .card-rating {
            position: absolute;
            bottom: 14px;
            right: 14px;
            background: rgba(0,0,0,0.72);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
        }
        .review-card .card-img .card-rating i { color: var(--accent-light); margin-right: 4px; }
        .review-card .card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
        .review-card .card-body .card-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
        .review-card .card-body .card-tags span { font-size: 0.75rem; padding: 4px 12px; border-radius: 50px; background: rgba(29,53,87,0.07); color: var(--secondary); font-weight: 600; }
        .review-card .card-body h3 { font-size: 1.25rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; line-height: 1.4; }
        .review-card .card-body p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; flex: 1; margin-bottom: 16px; }
        .review-card .card-body .card-meta { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--border-light); }
        .review-card .card-body .card-meta .author { font-size: 0.85rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
        .review-card .card-body .card-meta .author i { color: var(--secondary-light); }
        .review-card .card-body .card-meta .read-more { font-size: 0.85rem; font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 4px; }
        .review-card .card-body .card-meta .read-more:hover { gap: 10px; }

        /* ===== Process / 评测流程 ===== */
        .process-section {
            background: #fff;
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 16px;
        }
        .process-step {
            text-align: center;
            padding: 36px 20px;
            border-radius: var(--radius-md);
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
        .process-step .step-icon {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.8rem;
            color: #fff;
            box-shadow: 0 8px 24px rgba(230,57,70,0.25);
        }
        .process-step .step-num {
            position: absolute;
            top: 14px;
            right: 18px;
            font-size: 2.8rem;
            font-weight: 900;
            color: rgba(230,57,70,0.08);
            line-height: 1;
        }
        .process-step h4 { font-size: 1.15rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
        .process-step p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.6; }

        /* ===== Tags / 热门标签 ===== */
        .tags-section { background: var(--bg-light); }
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }
        .tags-cloud a {
            display: inline-block;
            padding: 10px 26px;
            border-radius: 50px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-body);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .tags-cloud a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(230,57,70,0.25); }
        .tags-cloud a i { margin-right: 6px; font-size: 0.85rem; }

        /* ===== Ranking / 评测榜单 ===== */
        .ranking-section { background: #fff; }
        .ranking-list { max-width: 820px; margin: 0 auto; }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            background: var(--bg-light);
            margin-bottom: 14px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .ranking-item:hover { background: #fff; box-shadow: var(--shadow-md); transform: translateX(6px); }
        .ranking-item .rank-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            background: var(--secondary);
            flex-shrink: 0;
        }
        .ranking-item:nth-child(1) .rank-num { background: var(--primary); box-shadow: 0 4px 14px rgba(230,57,70,0.30); }
        .ranking-item:nth-child(2) .rank-num { background: var(--accent); }
        .ranking-item:nth-child(3) .rank-num { background: var(--secondary-light); }
        .ranking-item .rank-info { flex: 1; }
        .ranking-item .rank-info h4 { font-size: 1.1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
        .ranking-item .rank-info p { font-size: 0.9rem; color: var(--text-muted); }
        .ranking-item .rank-score {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .ranking-item .rank-score i { font-size: 1rem; color: var(--accent); }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg-light); }
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-sm); border-color: var(--border); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            cursor: pointer;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question i { color: var(--primary); font-size: 1.1rem; transition: var(--transition); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.98rem;
        }
        .faq-item.active .faq-answer { max-height: 260px; padding: 0 24px 20px; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #0f1a2e 100%);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 { font-size: 2.4rem; font-weight: 900; color: #fff; margin-bottom: 16px; letter-spacing: -0.5px; }
        .cta-section p { color: rgba(255,255,255,0.75); font-size: 1.15rem; max-width: 600px; margin: 0 auto 32px; }
        .cta-section .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 60px;
            font-size: 1.1rem;
            font-weight: 700;
            transition: var(--transition);
        }
        .cta-btn.primary { background: var(--primary); color: #fff; box-shadow: 0 8px 28px rgba(230,57,70,0.35); }
        .cta-btn.primary:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 12px 36px rgba(230,57,70,0.45); }
        .cta-btn.outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.30); }
        .cta-btn.outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); transform: translateY(-3px); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .site-logo { color: #fff; margin-bottom: 16px; display: inline-flex; }
        .footer-brand .site-logo span { -webkit-text-fill-color: #fff; background: none; }
        .footer-brand p { font-size: 0.95rem; color: rgba(255,255,255,0.60); line-height: 1.7; max-width: 340px; }
        .footer-col-title { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 0.3px; }
        .footer-links { display: flex; flex-direction: column; gap: 10px; }
        .footer-links a { color: rgba(255,255,255,0.55); font-size: 0.92rem; display: flex; align-items: center; gap: 8px; transition: var(--transition); }
        .footer-links a i { font-size: 0.65rem; color: var(--primary-light); }
        .footer-links a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom span { font-size: 0.88rem; color: rgba(255,255,255,0.40); }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 38px; height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.50);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid { grid-template-columns: repeat(2, 1fr); }
            .process-steps { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
        }

        @media (max-width: 768px) {
            .nav-list { display: none; }
            .main-nav .nav-cta { display: none; }
            .nav-toggle { display: block; }
            .main-nav.open .nav-list {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-h);
                left: 0; right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(20px);
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                gap: 4px;
            }
            .main-nav.open .nav-list li a { padding: 12px 18px; border-radius: var(--radius-sm); }
            .main-nav.open .nav-cta { display: inline-flex; margin-top: 12px; justify-content: center; width: 100%; }
            .category-hero h1 { font-size: 2.2rem; }
            .category-hero p { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .hero-stat-item .num { font-size: 1.6rem; }
            .intro-grid { grid-template-columns: 1fr; gap: 30px; }
            .intro-image img { height: 260px; }
            .section-title { font-size: 1.8rem; }
            .section { padding: 50px 0; }
            .card-grid { grid-template-columns: 1fr; gap: 20px; }
            .process-steps { grid-template-columns: 1fr; gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .ranking-item { flex-wrap: wrap; gap: 12px; }
            .ranking-item .rank-score { margin-left: auto; }
            .cta-section h2 { font-size: 1.8rem; }
            .cta-btn { width: 100%; justify-content: center; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .category-hero { min-height: 260px; padding: 40px 16px; }
            .category-hero h1 { font-size: 1.7rem; }
            .hero-stats { flex-direction: column; gap: 12px; }
            .section-title { font-size: 1.4rem; }
            .review-card .card-img { height: 180px; }
            .tags-cloud a { padding: 8px 18px; font-size: 0.85rem; }
            .faq-question { font-size: 0.95rem; padding: 16px 18px; }
        }