/* roulang page: index */
:root {
            --primary: #0f2b4b;
            --primary-light: #1a4a7a;
            --accent: #e94560;
            --accent-hover: #d63750;
            --gold: #f0a500;
            --bg: #f5f7fb;
            --white: #ffffff;
            --text-main: #1a2a3a;
            --text-weak: #6b7b8d;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(15, 43, 75, 0.08);
            --shadow-hover: 0 16px 40px rgba(15, 43, 75, 0.15);
            --spacing: 80px;
            --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(233, 69, 96, 0.4);
            outline-offset: 2px;
        }

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

        .container-wide {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 43, 75, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: 72px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.12);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
        }

        .nav-links a {
            display: block;
            color: rgba(255, 255, 255, 0.85);
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.25s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-links a.active {
            background: rgba(233, 69, 96, 0.25);
            box-shadow: inset 0 0 0 1px rgba(233, 69, 96, 0.4);
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            padding: 9px 20px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.25s ease;
        }

        .btn-nav:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.35);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 6px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--primary);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
                gap: 4px;
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
                z-index: 99;
            }

            .nav-links.open {
                transform: translateY(0);
            }

            .nav-links a {
                width: 100%;
                padding: 12px 14px;
                border-radius: 8px;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .header-cta .btn-nav {
                display: none;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(15, 43, 75, 0.92), rgba(26, 74, 122, 0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            padding: 100px 0;
        }

        .hero::after {
            content: "";
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 80px;
            background: var(--bg);
            clip-path: polygon(0 40%, 100% 0, 100% 100%, 0 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero h1 .highlight {
            color: var(--gold);
            position: relative;
        }

        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            line-height: 1.8;
            max-width: 560px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.3s ease;
            cursor: pointer;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(233, 69, 96, 0.5);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 48px;
            flex-wrap: wrap;
        }

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

        .hero-stat .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--gold);
        }

        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 768px) {
            .hero {
                padding: 80px 0;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }

            .hero-stats {
                gap: 20px;
            }
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: 90px 0;
        }

        .section-muted {
            background: var(--white);
        }

        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(233, 69, 96, 0.08);
            padding: 5px 16px;
            border-radius: 30px;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-weak);
        }

        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }

            .section-header h2 {
                font-size: 28px;
            }
        }

        /* ===== Card 通用 ===== */
        .card-style {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            overflow: hidden;
        }

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

        /* ===== 核心优势 ===== */
        .feature-card {
            padding: 32px 28px;
            height: 100%;
            position: relative;
        }

        .feature-card .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(15, 43, 75, 0.06), rgba(233, 69, 96, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 22px;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--primary);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        .feature-card:nth-child(2) .feature-icon {
            background: linear-gradient(135deg, rgba(240, 165, 0, 0.12), rgba(240, 165, 0, 0.05));
            color: var(--gold);
        }

        .feature-card:nth-child(3) .feature-icon {
            background: linear-gradient(135deg, rgba(83, 168, 182, 0.12), rgba(83, 168, 182, 0.05));
            color: #53a8b6;
        }

        /* ===== 资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-item {
            padding: 0;
            display: flex;
            flex-direction: column;
        }

        .news-item .news-cover {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .news-item .news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-item:hover .news-cover img {
            transform: scale(1.06);
        }

        .news-item .news-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            color: var(--accent);
            background: rgba(233, 69, 96, 0.08);
            padding: 3px 12px;
            border-radius: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            width: fit-content;
        }

        .news-item h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .news-item h3 a {
            color: var(--text-main);
        }

        .news-item h3 a:hover {
            color: var(--accent);
        }

        .news-item .news-desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-weak);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        .news-meta i {
            margin-right: 4px;
        }

        .read-more {
            color: var(--accent);
            font-weight: 600;
            font-size: 13px;
        }

        .read-more:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }

        .empty-tip {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-weak);
            font-size: 16px;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }

        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

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

        .stat-block {
            text-align: center;
            color: #fff;
            padding: 30px 20px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .stat-block .num {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 8px;
            background: linear-gradient(120deg, var(--gold), #ffd257);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-block .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }

        @media (max-width: 900px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        /* ===== 分类入口 ===== */
        .category-section {
            background: var(--white);
        }

        .category-card {
            padding: 0;
            height: 100%;
            position: relative;
        }

        .category-card .category-cover {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .category-card .category-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .category-card:hover .category-cover img {
            transform: scale(1.08);
        }

        .category-card .category-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 43, 75, 0.5));
        }

        .category-card .category-body {
            padding: 28px;
        }

        .category-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .category-card p {
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 18px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-weight: 600;
            font-size: 14px;
            transition: gap 0.3s ease;
        }

        .category-link:hover {
            gap: 14px;
            color: var(--accent-hover);
        }

        /* ===== 使用流程 ===== */
        .steps-section {
            background: var(--bg);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 20px;
        }

        .step-block {
            text-align: center;
            padding: 36px 20px;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
            transition: all 0.3s ease;
        }

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

        .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }

        .step-block h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .step-block p {
            font-size: 14px;
            color: var(--text-weak);
        }

        @media (max-width: 900px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

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

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg);
            padding: 0;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(233, 69, 96, 0.4);
        }

        .faq-item summary {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 16px;
            color: var(--primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: background 0.3s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 14px;
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
            border-top: 1px dashed var(--border);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(15, 43, 75, 0.95), rgba(26, 74, 122, 0.88)), url('/assets/images/backpic/back-2.png') center/cover fixed;
            padding: 100px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
            margin: 0 auto 36px;
        }

        @media (max-width: 768px) {
            .cta-section {
                background-attachment: scroll;
                padding: 60px 0;
            }

            .cta-section h2 {
                font-size: 28px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 340px;
            line-height: 1.7;
        }

        .footer-heading {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

        /* ===== 文章详情/内页通用 ===== */
        .page-banner {
            position: relative;
            padding: 100px 0 70px;
            background: linear-gradient(135deg, rgba(15, 43, 75, 0.92), rgba(26, 74, 122, 0.82)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
        }

        .page-banner h1 {
            font-size: 40px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .page-banner .breadcrumb {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 14px;
        }

        .page-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }

        .page-banner .breadcrumb a:hover {
            color: var(--gold);
        }

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

        .mt-1 {
            margin-top: 10px;
        }

        .mt-2 {
            margin-top: 20px;
        }

        .mt-3 {
            margin-top: 30px;
        }

        .mb-2 {
            margin-bottom: 20px;
        }

        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category1 */
:root {
            --primary: #e85d3d;
            --primary-dark: #c7442a;
            --primary-light: #fff1ec;
            --accent: #f4b03f;
            --dark: #1c2333;
            --dark-2: #242e44;
            --text: #2d3446;
            --text-light: #6b7385;
            --bg: #f7f8fb;
            --white: #ffffff;
            --border: #e5e8ef;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(28, 35, 51, 0.08);
            --shadow-lg: 0 20px 50px rgba(28, 35, 51, 0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --space-section: 88px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(232, 93, 61, 0.3);
        }

        .site-nav ul {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .site-nav a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            border: 1px solid transparent;
        }

        .site-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .site-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            border-color: rgba(232, 93, 61, 0.2);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg);
            color: var(--dark);
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            padding: 100px 0 76px;
            background: linear-gradient(135deg, rgba(28, 35, 51, 0.88), rgba(36, 46, 68, 0.78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 20%, rgba(232, 93, 61, 0.25), transparent 40%);
        }

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

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 14px;
            letter-spacing: 1px;
            backdrop-filter: blur(6px);
            margin-bottom: 22px;
        }

        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .page-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

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

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

        .section-alt {
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 52px;
        }

        .section-head .tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== Intro block ========== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .intro-media {
            position: relative;
        }

        .intro-media img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        .intro-media::before {
            content: '';
            position: absolute;
            top: -18px;
            right: -18px;
            width: 160px;
            height: 160px;
            border-radius: 24px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            opacity: 0.12;
            z-index: -1;
        }

        .intro-content .tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .intro-content h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .intro-content p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .feature-points {
            margin-top: 24px;
            display: grid;
            gap: 14px;
        }

        .feature-points li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }

        .feature-points li:hover {
            border-color: rgba(232, 93, 61, 0.3);
            background: var(--primary-light);
            transform: translateX(4px);
        }

        .feature-points i {
            color: var(--primary);
            font-size: 16px;
            width: 24px;
            text-align: center;
        }

        /* ========== Cards grid ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .info-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .info-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

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

        .info-card:hover::before {
            opacity: 1;
        }

        .info-card .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 20px;
        }

        .info-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .info-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }

        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .card-tags span {
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--bg);
            border: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-light);
        }

        /* ========== Cover cards ========== */
        .cover-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .cover-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .cover-card .cover-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .cover-card .cover-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .cover-card .cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(28, 35, 51, 0.6), transparent 60%);
        }

        .cover-card .cover-body {
            padding: 24px;
        }

        .cover-card .cover-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .cover-card .cover-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .cover-card .cover-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .cover-card .cover-link:hover {
            gap: 10px;
        }

        .cover-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            font-size: 12px;
            font-weight: 600;
            color: var(--dark);
        }

        /* ========== Process ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-step {
            text-align: center;
            padding: 36px 24px;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            position: relative;
            transition: var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow);
            border-color: rgba(232, 93, 61, 0.25);
        }

        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 18px;
            box-shadow: 0 6px 16px rgba(232, 93, 61, 0.3);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== List ========== */
        .list-row {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .article-list {
            display: grid;
            gap: 16px;
        }

        .article-item {
            display: flex;
            gap: 18px;
            padding: 20px;
            background: var(--white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            align-items: center;
        }

        .article-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(232, 93, 61, 0.25);
            transform: translateX(4px);
        }

        .article-item .icon-box {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
        }

        .article-item .item-content {
            flex: 1;
        }

        .article-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .article-item p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }

        .article-item .item-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            gap: 14px;
            margin-top: 6px;
        }

        .article-item .item-meta i {
            color: var(--primary);
            margin-right: 4px;
        }

        .side-panel {
            background: var(--dark);
            border-radius: var(--radius);
            padding: 36px;
            color: #fff;
            position: sticky;
            top: 90px;
        }

        .side-panel h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .side-panel p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
        }

        .side-panel .stat-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 24px;
        }

        .side-panel .stat-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 16px;
            text-align: center;
        }

        .side-panel .stat-item strong {
            display: block;
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
        }

        .side-panel .stat-item span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(232, 93, 61, 0.35);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(232, 93, 61, 0.45);
            color: #fff;
        }

        .btn-primary:focus {
            outline: 3px solid rgba(232, 93, 61, 0.3);
            outline-offset: 2px;
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(232, 93, 61, 0.25);
        }

        .faq-item summary {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.3s;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item .faq-body {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin-top: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
            border-radius: 24px;
            padding: 68px 56px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            opacity: 0.2;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin: 0 auto 28px;
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            margin-top: var(--space-section);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }

        .footer-heading {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-links {
            display: grid;
            gap: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

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

        .footer-links a i {
            font-size: 13px;
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
        }

        /* ========== Responsive ========== */
        @media screen and (max-width: 1024px) {
            .container {
                padding: 0 24px;
            }

            .cards-grid,
            .cover-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .intro-grid {
                gap: 40px;
            }

            .page-hero h1 {
                font-size: 38px;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --space-section: 60px;
            }

            .header-inner {
                height: 60px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .site-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
                padding: 16px 24px;
                display: none;
                z-index: 99;
            }

            .site-nav.open {
                display: block;
            }

            .site-nav ul {
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
            }

            .site-nav a {
                display: block;
                padding: 12px 16px;
            }

            .page-hero {
                padding: 72px 0 56px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero p {
                font-size: 15px;
            }

            .hero-meta {
                gap: 16px;
                font-size: 13px;
            }

            .intro-grid,
            .list-row {
                grid-template-columns: 1fr;
            }

            .side-panel {
                position: static;
            }

            .cards-grid,
            .cover-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .process-grid {
                grid-template-columns: 1fr;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .cta-section {
                padding: 44px 28px;
            }

            .cta-section h2 {
                font-size: 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .page-hero h1 {
                font-size: 27px;
            }

            .intro-media img {
                height: 260px;
            }

            .intro-content h2 {
                font-size: 24px;
            }

            .cover-card .cover-img {
                height: 180px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn-primary,
            .btn-light {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
    --primary: #16365f;
    --primary-dark: #0b2340;
    --primary-light: #2a5d94;
    --accent: #f0a93b;
    --accent-strong: #da8b1d;
    --accent-soft: #fdf3e2;
    --bg: #f7f8fc;
    --surface: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e5e7eb;
    --radius: 18px;
    --radius-sm: 10px;
    --shadow: 0 10px 30px rgba(17, 30, 54, .08);
    --shadow-lg: 0 18px 42px rgba(17, 30, 54, .14);
    --font: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; }
a:focus-visible, .nav-links a:focus-visible, .btn:focus-visible { outline: 3px solid rgba(240, 169, 59, .7); outline-offset: 3px; border-radius: 10px; }

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--primary); white-space: nowrap; }
.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--primary), #2779d1);
    color: #fff;
    font-size: 16px;
    box-shadow: 0 8px 18px rgba(22, 54, 95, .25);
}
.site-nav .nav-links { display: flex; align-items: center; gap: 8px; }
.site-nav .nav-links a {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    color: #334155;
    transition: .2s ease;
}
.site-nav .nav-links a:hover { color: var(--primary); background: #eef5ff; }
.site-nav .nav-links a.active {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 8px 18px rgba(22, 54, 95, .28);
}

.article-hero {
    position: relative;
    padding: 64px 0 72px;
    color: #fff;
    background: linear-gradient(135deg, rgba(8, 25, 48, .96), rgba(20, 60, 100, .88)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    border-radius: 0 0 36px 36px;
}
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .18);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.article-hero h1 {
    font-size: clamp(28px, 5vw, 46px);
    line-height: 1.22;
    margin: 18px 0 14px;
    font-weight: 800;
    letter-spacing: -.01em;
    max-width: 860px;
}
.hero-summary {
    font-size: 17px;
    color: #dce7f5;
    max-width: 740px;
}
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 26px;
    color: #cfe0f5;
    font-size: 14px;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta i { color: var(--accent); }

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 20px 0 4px;
    color: var(--muted);
    font-size: 14px;
}
.breadcrumb a { color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb i { font-size: 12px; color: #9ca3af; }

.article-layout { padding: 40px 0 60px; }
.main-col {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px 44px;
    min-height: 320px;
}
.article-body { font-size: 16.5px; line-height: 1.9; color: #2a3441; }
.article-body p { margin-bottom: 20px; }
.article-body h2 { font-size: 26px; margin: 36px 0 14px; color: var(--primary-dark); font-weight: 800; line-height: 1.35; }
.article-body h3 { font-size: 20px; margin: 28px 0 12px; font-weight: 700; color: var(--primary); }
.article-body ul, .article-body ol { padding-left: 22px; margin-bottom: 20px; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--primary); text-decoration: underline; }
.article-body blockquote {
    border-left: 4px solid var(--accent);
    background: var(--accent-soft);
    padding: 18px 22px;
    border-radius: 0 12px 12px 0;
    color: #4a5568;
    margin: 24px 0;
}
.article-body blockquote p { margin: 0; }
.article-body img { border-radius: 14px; margin: 22px 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-body th { background: #f8fafc; font-weight: 700; }

.article-footer {
    margin-top: 42px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}
.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 999px;
    font-size: 13px;
    transition: .2s ease;
}
.tag-chip:hover { background: var(--accent-soft); color: var(--primary); }

.not-found-card {
    text-align: center;
    padding: 56px 20px;
    background: #f8fafc;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}
.not-found-card i { font-size: 42px; color: #94a3b8; }
.not-found-card h2 { margin: 14px 0 8px; font-size: 24px; color: var(--primary-dark); }
.not-found-card p { color: var(--muted); margin-bottom: 22px; }

.sidebar-col { display: flex; flex-direction: column; gap: 24px; }
.side-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 26px;
    transition: .25s ease;
}
.side-card:hover { box-shadow: var(--shadow-lg); }
.side-card h3 { margin-bottom: 16px; font-size: 18px; color: var(--primary-dark); font-weight: 800; display: flex; align-items: center; gap: 8px; }
.side-card h3 i { color: var(--accent); }

.info-list li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
}
.info-list li:last-child { border-bottom: none; }
.info-list span:first-child { color: var(--muted); }
.info-list span:last-child { font-weight: 600; color: var(--text); text-align: right; }

.score-row + .score-row { margin-top: 16px; }
.score-label { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 14px; font-weight: 500; }
.score-label b { color: var(--primary); }
.score-bar { height: 8px; background: #eef2f7; border-radius: 99px; overflow: hidden; }
.score-bar span { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--primary), var(--accent)); }

.side-banner { width: 100%; height: 150px; object-fit: cover; border-radius: 14px; margin-bottom: 16px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    border: 2px solid transparent;
    transition: .25s ease;
    cursor: pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-strong)); color: #1c1c1c; box-shadow: 0 10px 24px rgba(240, 169, 59, .35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(240, 169, 59, .42); }
.btn-light { background: #fff; color: var(--primary-dark); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(255, 255, 255, .22); }
.btn-outline-light { background: transparent; border-color: rgba(255, 255, 255, .6); color: #fff; }
.btn-outline-light:hover { background: rgba(255, 255, 255, .1); transform: translateY(-2px); }
.btn-block { width: 100%; }

.related-section {
    background: #f3f6fc;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 64px 0 72px;
}
.section-head { margin-bottom: 30px; }
.eyebrow {
    display: inline-block;
    color: var(--accent-strong);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    padding: 5px 12px;
    background: var(--accent-soft);
    border-radius: 999px;
    margin-bottom: 8px;
}
.section-head h2 { font-size: 30px; color: var(--primary-dark); font-weight: 800; line-height: 1.3; }

.related-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: .3s ease;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-card img { width: 100%; height: 190px; object-fit: cover; transition: transform .4s ease; }
.related-card:hover img { transform: scale(1.03); }
.related-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.category-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
    padding: 5px 11px;
    background: #eef2f8;
    color: var(--primary);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
}
.related-card h3 { margin: 12px 0 10px; font-size: 18px; line-height: 1.45; font-weight: 800; color: var(--primary-dark); }
.related-card h3 a { transition: .2s; }
.related-card h3 a:hover { color: var(--accent-strong); }
.related-card p { color: var(--muted); font-size: 14px; flex: 1; }
.related-meta { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 16px; font-size: 13px; color: var(--muted); }
.related-meta a { color: var(--primary); font-weight: 700; display: inline-flex; align-items: center; gap: 6px; transition: .2s; }
.related-meta a:hover { color: var(--accent-strong); }
.empty-tip {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px;
    text-align: center;
    color: var(--muted);
}

.cta-section {
    max-width: 1200px;
    margin: 70px auto;
    padding: 72px 24px;
    border-radius: 28px;
    color: #fff;
    text-align: center;
    background: linear-gradient(135deg, rgba(8, 25, 48, .94), rgba(20, 60, 100, .88)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
    box-shadow: var(--shadow-lg);
}
.cta-kicker {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .18);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
}
.cta-section h2 { font-size: clamp(24px, 4vw, 38px); margin: 16px 0 12px; font-weight: 800; line-height: 1.3; }
.cta-section p { max-width: 620px; margin: 0 auto 28px; color: #dce7f5; font-size: 16px; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

.site-footer {
    background: #0b1f36;
    color: #9fb1c7;
    padding: 58px 0 26px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 42px;
    padding-bottom: 38px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand .logo { color: #fff; font-size: 20px; margin-bottom: 14px; }
.footer-brand .logo .logo-icon { background: linear-gradient(135deg, var(--primary-light), var(--accent-strong)); }
.footer-brand p { font-size: 14px; line-height: 1.9; }
.footer-heading { color: #fff; font-size: 15px; margin-bottom: 16px; font-weight: 700; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #9fb1c7; font-size: 14px; display: inline-flex; align-items: center; gap: 8px; transition: .2s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 24px;
    font-size: 13px;
    color: #738aa5;
}

@media (max-width: 1024px) {
    .article-hero { padding: 52px 0 60px; }
    .main-col { padding: 30px 32px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .header-inner { flex-wrap: wrap; height: auto; padding: 14px 0; }
    .site-nav { width: 100%; }
    .nav-links {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        padding-bottom: 6px;
        scrollbar-width: thin;
    }
    .nav-links li { flex: 0 0 auto; }
    .article-hero { padding: 40px 0 50px; }
    .hero-summary { font-size: 15px; }
    .hero-meta { gap: 12px; }
    .article-layout { padding: 28px 0 42px; }
    .main-col { padding: 24px 20px; border-radius: 14px; }
    .article-body { font-size: 15.5px; }
    .article-body h2 { font-size: 22px; }
    .related-section { padding: 46px 0 54px; }
    .section-head h2 { font-size: 24px; }
    .cta-section { margin: 48px auto; padding: 48px 20px; }
    .cta-actions { flex-direction: column; align-items: stretch; }
    .cta-actions .btn { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .header-inner { padding: 12px 0; }
    .logo { font-size: 18px; }
    .article-hero { border-radius: 0 0 22px 22px; }
    .article-hero h1 { font-size: 26px; }
    .hero-meta { font-size: 13px; }
    .breadcrumb { font-size: 13px; }
    .main-col { padding: 22px 18px; }
    .related-card img { height: 160px; }
    .footer-bottom { font-size: 12px; }
}