/* roulang page: index */
:root {
            --primary: #dc2f2f;
            --primary-dark: #b81e1e;
            --primary-light: #fbe8e8;
            --secondary: #1d3557;
            --secondary-light: #e8eef6;
            --accent: #f4a261;
            --bg: #f7f8fb;
            --bg-alt: #ffffff;
            --text: #1b1f27;
            --text-weak: #5a6b7b;
            --border: #e3e8ef;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.10);
            --space: 100px;
            --transition: 0.22s ease;
        }

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

        html { scroll-behavior: smooth; }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { margin: 0; padding: 0; list-style: none; }
        h1, h2, h3, h4, h5, h6 { margin: 0 0 12px; font-weight: 700; line-height: 1.35; color: var(--text); }
        p { margin: 0 0 16px; }

        .container { max-width: 1320px; margin: 0 auto; padding: 0 24px; }

        /* ======== 顶部导航 ======== */
        .site-header {
            background: #ffffff;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 999;
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }

        .logo {
            font-size: 26px;
            font-weight: 800;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
        }

        .logo i {
            color: var(--primary);
            font-size: 28px;
        }

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

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

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

        .nav-link {
            padding: 10px 18px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            position: relative;
        }

        .nav-link i {
            margin-right: 6px;
            font-size: 14px;
            color: var(--text-weak);
        }

        .nav-link:hover {
            background: var(--secondary-light);
            color: var(--secondary);
        }

        .nav-link.active {
            background: var(--secondary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .nav-link.active i {
            color: #fff;
        }

        .header-cta {
            background: var(--primary);
            color: #fff !important;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-left: 6px;
            box-shadow: 0 4px 14px rgba(220, 47, 47, 0.25);
            transition: all var(--transition);
        }

        .header-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(220, 47, 47, 0.3);
        }

        .menu-toggle {
            display: none;
            background: var(--secondary);
            border: none;
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* ======== Hero ======== */
        .hero {
            position: relative;
            padding: 100px 0 90px;
            background: linear-gradient(135deg, rgba(29, 53, 87, 0.9), rgba(10, 25, 50, 0.9)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .hero::after {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .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: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            margin-bottom: 22px;
            backdrop-filter: blur(4px);
        }

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

        .hero h1 {
            font-size: 46px;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 18px;
            font-weight: 800;
        }

        .hero h1 em {
            color: var(--accent);
            font-style: normal;
        }

        .hero-desc {
            font-size: 18px;
            opacity: 0.92;
            margin-bottom: 32px;
            max-width: 540px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 16px;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn i {
            font-size: 15px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff !important;
            box-shadow: 0 6px 18px rgba(220, 47, 47, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(220, 47, 47, 0.35);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.1);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            color: #fff !important;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 44px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 24px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .stat-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--accent);
        }

        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
        }

        .hero-visual {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            padding: 30px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            text-align: center;
        }

        .hero-visual img {
            border-radius: var(--radius);
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        /* ======== 板块通用 ======== */
        .section {
            padding: var(--space) 0;
        }

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

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 44px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 34px;
            position: relative;
            display: inline-block;
            padding-bottom: 14px;
            margin-bottom: 8px;
        }

        .section-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
        }

        .section-sub {
            color: var(--text-weak);
            font-size: 16px;
            max-width: 400px;
        }

        .more-link {
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
        }

        .more-link i {
            transition: transform var(--transition);
        }

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

        /* ======== 功能卡片 ======== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 32px 26px;
            border: 1px solid var(--border);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .feature-icon {
            width: 64px;
            height: 64px;
            background: var(--primary-light);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 19px;
        }

        .feature-card p {
            color: var(--text-weak);
            font-size: 14px;
            margin-bottom: 0;
        }

        /* ======== 分类入口 ======== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .category-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .category-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .category-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .category-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.5) 100%);
        }

        .category-tag {
            position: absolute;
            top: 18px;
            left: 18px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-weight: 700;
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 999px;
            box-shadow: var(--shadow-sm);
        }

        .category-info {
            padding: 24px;
        }

        .category-info h3 {
            font-size: 22px;
        }

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

        .category-entry {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 14px;
            color: var(--primary);
        }

        /* ======== 资讯列表 ======== */
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 44px;
        }

        .content-main .post-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .post-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .post-thumb {
            flex: 0 0 160px;
            aspect-ratio: 16/10;
            border-radius: 10px;
            overflow: hidden;
            background: var(--secondary-light);
        }

        .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .post-body {
            flex: 1;
        }

        .post-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            font-size: 13px;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        .post-meta .badge {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
        }

        .post-title {
            font-size: 18px;
            margin-bottom: 6px;
        }

        .post-title a {
            color: var(--text);
        }

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

        .post-excerpt {
            color: var(--text-weak);
            font-size: 14px;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-side {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .side-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .side-card h3 {
            font-size: 19px;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
        }

        .side-list li {
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
        }

        .side-list li:last-child {
            border-bottom: none;
        }

        .side-list a {
            color: var(--text);
            font-weight: 500;
            display: flex;
            justify-content: space-between;
            gap: 10px;
        }

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

        .side-list .count {
            background: var(--secondary-light);
            color: var(--secondary);
            font-size: 12px;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-item {
            background: var(--secondary-light);
            color: var(--secondary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            transition: all var(--transition);
        }

        .tag-item:hover {
            background: var(--secondary);
            color: #fff;
        }

        /* ======== 数据区块 ======== */
        .data-band {
            background: var(--secondary);
            color: #fff;
            border-radius: var(--radius);
            padding: 60px 48px;
            position: relative;
            overflow: hidden;
        }

        .data-band::before {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 260px;
            height: 260px;
            background: rgba(244, 162, 97, 0.12);
            border-radius: 50%;
        }

        .data-band::after {
            content: "";
            position: absolute;
            right: 60px;
            bottom: -100px;
            width: 200px;
            height: 200px;
            border: 2px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
            z-index: 2;
        }

        .data-item {
            text-align: center;
            border-right: 1px solid rgba(255, 255, 255, 0.2);
            padding: 10px;
        }

        .data-item:last-child {
            border-right: none;
        }

        .data-item .number {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .data-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 4px;
        }

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

        .process-step {
            background: #fff;
            border-radius: var(--radius);
            padding: 34px 24px;
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
        }

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

        .step-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary-light);
            margin-bottom: 16px;
            line-height: 1;
        }

        .process-step h3 {
            font-size: 17px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        /* ======== FAQ ======== */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            padding: 22px 28px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 16px;
        }

        .faq-question i {
            color: var(--primary);
            transition: transform var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-answer-inner {
            padding: 0 28px 22px;
            color: var(--text-weak);
            font-size: 15px;
        }

        /* ======== CTA ======== */
        .cta-section {
            background: linear-gradient(100deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius);
            padding: 64px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            right: -40px;
            top: -40px;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-title {
            font-size: 28px;
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-desc {
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 0;
        }

        .cta-btn {
            background: #fff;
            color: var(--primary) !important;
            font-weight: 800;
            padding: 16px 36px;
            border-radius: 999px;
            font-size: 16px;
            white-space: nowrap;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
            transition: all var(--transition);
        }

        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(0, 0, 0, 0.2);
        }

        /* ======== 页脚 ======== */
        .site-footer {
            background: #141b24;
            color: #b0bcc8;
            padding: 60px 0 0;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #9aa7b5;
        }

        .footer-title {
            color: #fff;
            font-size: 17px;
            margin-bottom: 18px;
            font-weight: 600;
        }

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

        .footer-links a {
            color: #b0bcc8;
            font-size: 14px;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: #768392;
        }

        .footer-bottom a {
            color: #9aa7b5;
        }

        /* ======== 响应式 ======== */
        @media screen and (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 38px;
            }
            .content-layout {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 16px;
            }
            .data-item {
                padding: 5px;
            }
            .data-item .number {
                font-size: 32px;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --space: 64px;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                margin-top: 12px;
                border: 1px solid var(--border);
                border-radius: var(--radius-sm);
                padding: 14px;
                box-shadow: var(--shadow-md);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: 8px;
            }
            .header-cta {
                margin-left: 0;
                justify-content: center;
                margin-top: 4px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero {
                padding: 60px 0;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                padding: 16px;
                gap: 10px;
            }
            .section-title {
                font-size: 28px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .content-layout {
                grid-template-columns: 1fr;
            }
            .post-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .post-thumb {
                flex: none;
                width: 100%;
                aspect-ratio: 16/8;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .data-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding-bottom: 20px;
            }
            .data-item:nth-child(3), .data-item:nth-child(4) {
                border-bottom: none;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                flex-direction: column;
                text-align: center;
                padding: 40px 24px;
            }
            .cta-btn {
                margin-top: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .btn {
                width: 100%;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                padding: 12px 8px;
            }
            .stat-num {
                font-size: 22px;
            }
            .stat-label {
                font-size: 11px;
            }
            .category-info h3 {
                font-size: 19px;
            }
            .post-thumb {
                aspect-ratio: 16/9;
            }
            .data-band {
                padding: 40px 20px;
            }
            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }
            .faq-answer-inner {
                padding: 0 20px 18px;
            }
            .section-title {
                font-size: 24px;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #e63946;
            --primary-dark: #c02733;
            --secondary: #1a2634;
            --accent: #f4a261;
            --bg-light: #f7f8fa;
            --bg-white: #ffffff;
            --bg-dark: #0f1923;
            --text-main: #1a1a2e;
            --text-muted: #6c757d;
            --border-color: #e9ecef;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, .08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, .12);
            --transition: all .3s ease;
            --container-width: 1280px;
            --header-height: 72px;
        }

        /* ========== Reset 与基础 ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }

        /* ========== 容器 ========== */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== Header 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(0, 0, 0, .06);
            box-shadow: 0 2px 12px rgba(0, 0, 0, .04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: .5px;
            color: var(--secondary);
            white-space: nowrap;
        }
        .logo i {
            font-size: 1.4rem;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 16px;
            border-radius: 999px;
            font-size: .95rem;
            font-weight: 500;
            color: #4a5568;
            transition: var(--transition);
        }
        .nav-link i {
            font-size: .88rem;
        }
        .nav-link:hover {
            background: rgba(230, 57, 70, .08);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(230, 57, 70, .3);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-left: 10px;
            padding: 11px 22px;
            border-radius: 999px;
            background: linear-gradient(135deg, #e63946, #ff6b6b);
            color: #fff;
            font-size: .95rem;
            font-weight: 600;
            box-shadow: 0 4px 18px rgba(230, 57, 70, .35);
            transition: var(--transition);
        }
        .header-cta:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 24px rgba(230, 57, 70, .45);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--secondary);
            padding: 8px;
        }

        /* ========== 页面 Hero ========== */
        .page-hero {
            position: relative;
            padding: 110px 0 80px;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            text-align: center;
            color: #fff;
            isolation: isolate;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 25, 35, .86), rgba(230, 57, 70, .55));
            z-index: -1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .16);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .25);
            color: #fff;
            padding: 8px 20px;
            border-radius: 999px;
            font-size: .88rem;
            font-weight: 600;
            letter-spacing: .5px;
            margin-bottom: 24px;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .page-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 900;
            letter-spacing: 1px;
            line-height: 1.15;
            margin-bottom: 18px;
            text-shadow: 0 4px 24px rgba(0, 0, 0, .3);
        }
        .page-hero p {
            max-width: 640px;
            margin: 0 auto 32px;
            font-size: 1.1rem;
            opacity: .92;
            line-height: 1.7;
        }
        .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .8);
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .8);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb i {
            font-size: .75rem;
            opacity: .6;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 90px 0;
        }
        .section-white {
            background: var(--bg-white);
        }
        .section-gray {
            background: var(--bg-light);
        }
        .section-head {
            text-align: center;
            margin-bottom: 54px;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: .82rem;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--primary);
            background: rgba(230, 57, 70, .08);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(1.7rem, 3.2vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--secondary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            max-width: 580px;
            margin: 0 auto;
            color: var(--text-muted);
            font-size: 1.02rem;
            line-height: 1.7;
        }

        /* ========== 赛事百科概览 ========== */
        .overview-section {
            background: var(--bg-white);
        }
        .overview-grid {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 60px;
            align-items: center;
        }
        .overview-content h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.1rem);
            color: var(--secondary);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
        }
        .overview-content p {
            color: var(--text-muted);
            font-size: 1.02rem;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .overview-list {
            display: grid;
            gap: 14px;
        }
        .overview-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 18px;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--primary);
            font-size: .97rem;
            color: var(--text-main);
            font-weight: 500;
            transition: var(--transition);
        }
        .overview-list li:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-sm);
        }
        .overview-list li i {
            color: var(--primary);
            margin-top: 3px;
            font-size: .92rem;
        }
        .overview-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .overview-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .overview-image:hover img {
            transform: scale(1.04);
        }
        .overview-image .image-tag {
            position: absolute;
            bottom: 18px;
            left: 18px;
            background: rgba(0, 0, 0, .55);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: .5px;
        }

        /* ========== 分类导航卡片 ========== */
        .cat-section {
            background: var(--bg-light);
        }
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .cat-card {
            position: relative;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px 26px 30px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, .04);
            transition: var(--transition);
            overflow: hidden;
        }
        .cat-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .4s ease;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .cat-card:hover::after {
            transform: scaleX(1);
        }
        .cat-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(230, 57, 70, .1), rgba(230, 57, 70, .18));
            color: var(--primary);
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .cat-card:hover .cat-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(6deg) scale(1.05);
        }
        .cat-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--secondary);
        }
        .cat-card p {
            font-size: .88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .cat-count {
            display: inline-block;
            font-size: .78rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(230, 57, 70, .08);
            padding: 4px 12px;
            border-radius: 999px;
        }

        /* ========== 热门赛事卡片 ========== */
        .event-section {
            background: var(--bg-white);
        }
        .event-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .event-card {
            display: flex;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, .04);
            transition: var(--transition);
        }
        .event-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .event-image {
            width: 42%;
            min-height: 220px;
            overflow: hidden;
            position: relative;
        }
        .event-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .event-card:hover .event-image img {
            transform: scale(1.06);
        }
        .event-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(230, 57, 70, .9);
            color: #fff;
            font-size: .75rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 999px;
            letter-spacing: .5px;
        }
        .event-body {
            flex: 1;
            padding: 26px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .event-body h3 {
            font-size: 1.22rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .event-body p {
            font-size: .9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }
        .event-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: .8rem;
            color: var(--text-muted);
        }
        .event-meta i {
            margin-right: 4px;
            color: var(--primary);
        }

        /* ========== 文章列表 ========== */
        .article-section {
            background: var(--bg-light);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
        }
        .article-list {
            display: grid;
            gap: 24px;
        }
        .article-item {
            display: flex;
            gap: 0;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, .04);
            transition: var(--transition);
        }
        .article-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .article-thumb {
            width: 220px;
            min-height: 170px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }
        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .article-item:hover .article-thumb img {
            transform: scale(1.05);
        }
        .article-content {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .article-tag {
            display: inline-block;
            font-size: .75rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(230, 57, 70, .08);
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
            width: fit-content;
        }
        .article-content h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .article-item:hover .article-content h3 {
            color: var(--primary);
        }
        .article-content p {
            font-size: .88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: .8rem;
            color: var(--text-muted);
        }
        .article-meta i {
            margin-right: 4px;
            color: var(--primary);
        }

        /* 侧栏 */
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, .04);
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--bg-light);
            position: relative;
        }
        .sidebar-card h3::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            display: inline-block;
            font-size: .82rem;
            color: #4a5568;
            background: var(--bg-light);
            padding: 6px 14px;
            border-radius: 999px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(230, 57, 70, .25);
        }
        .side-guide {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--bg-light);
            font-size: .9rem;
        }
        .side-guide:last-child {
            border-bottom: none;
        }
        .side-guide i {
            color: var(--primary);
            width: 22px;
            text-align: center;
        }
        .side-guide span {
            color: var(--text-muted);
            font-size: .85rem;
            margin-left: auto;
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            position: relative;
            padding: 90px 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            isolation: isolate;
            color: #fff;
            text-align: center;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 25, 35, .92), rgba(230, 57, 70, .72));
            z-index: -1;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 20px;
        }
        .stat-item {
            padding: 32px 20px;
        }
        .stat-number {
            font-size: clamp(2.4rem, 4vw, 3.4rem);
            font-weight: 900;
            color: #fff;
            line-height: 1;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }
        .stat-number .unit {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 7px;
        }
        .stat-label {
            font-size: .95rem;
            color: rgba(255, 255, 255, .85);
            font-weight: 500;
            letter-spacing: 1px;
        }
        .stats-section .section-title {
            color: #fff;
        }
        .stats-section .section-subtitle {
            color: rgba(255, 255, 255, .8);
        }
        .stats-section .section-eyebrow {
            background: rgba(255, 255, 255, .15);
            color: var(--accent);
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-section {
            background: var(--bg-white);
        }
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .accordion-item {
            margin-bottom: 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: var(--bg-white);
            overflow: hidden;
            transition: var(--transition);
        }
        .accordion-item:hover {
            border-color: rgba(230, 57, 70, .3);
            box-shadow: var(--shadow-sm);
        }
        .accordion-title {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: var(--transition);
        }
        .accordion-title .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .75rem;
            color: var(--primary);
            background: rgba(230, 57, 70, .08);
            flex-shrink: 0;
            transition: var(--transition);
        }
        .accordion-title:hover {
            color: var(--primary);
        }
        .accordion-item.open .accordion-title {
            color: var(--primary);
        }
        .accordion-item.open .accordion-title .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }
        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: .93rem;
            line-height: 1.75;
            border-top: 1px solid transparent;
        }
        .accordion-item.open .accordion-content {
            max-height: 300px;
            padding: 0 24px 20px;
            border-top-color: var(--border-color);
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            isolation: isolate;
            text-align: center;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 25, 35, .82);
            z-index: -1;
        }
        .cta-content {
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .cta-content p {
            font-size: 1.02rem;
            opacity: .85;
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: linear-gradient(135deg, #e63946, #ff6b6b);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 6px 20px rgba(230, 57, 70, .4);
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(230, 57, 70, .5);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .8);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, .8);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr .8fr .8fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: .9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 340px;
        }
        .footer-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .65);
            font-size: .9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a i {
            font-size: .75rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: .85rem;
            color: rgba(255, 255, 255, .4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .overview-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .overview-image img {
                height: 320px;
            }
            .article-layout {
                grid-template-columns: 1fr;
            }
            .sidebar-card {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .sidebar-card h3 {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px 24px;
                gap: 4px;
                box-shadow: 0 12px 32px rgba(0, 0, 0, .1);
                transform: translateY(-120%);
                transition: transform .35s ease;
                border-radius: 0 0 20px 20px;
                z-index: 999;
            }
            .nav-menu.open {
                transform: translateY(0);
            }
            .nav-link,
            .header-cta {
                padding: 14px 16px;
                border-radius: 12px;
                justify-content: flex-start;
                margin-left: 0;
            }
            .header-cta {
                margin-top: 8px;
                text-align: center;
                justify-content: center;
            }
            .page-hero {
                padding: 70px 0 54px;
            }
            .section {
                padding: 60px 0;
            }
            .event-grid {
                grid-template-columns: 1fr;
            }
            .event-card {
                flex-direction: column;
            }
            .event-image {
                width: 100%;
                min-height: 200px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-thumb {
                width: 160px;
                min-height: 140px;
            }
            .article-content {
                padding: 16px 18px;
            }
            .article-content p {
                -webkit-line-clamp: 2;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 1.12rem;
            }
            .logo i {
                font-size: 1.1rem;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: .95rem;
            }
            .cat-grid {
                grid-template-columns: 1fr;
            }
            .overview-image img {
                height: 220px;
            }
            .article-item {
                flex-direction: column;
            }
            .article-thumb {
                width: 100%;
                min-height: 180px;
            }
            .article-content {
                padding: 18px;
            }
            .sidebar-card {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-number {
                font-size: 2rem;
            }
            .cta-section {
                padding: 60px 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
        }

/* roulang page: category2 */
:root {
        --primary: #E65100;
        --primary-dark: #BF360C;
        --primary-light: #FFCCBC;
        --accent: #FFB300;
        --dark: #1A1D21;
        --dark-soft: #262B30;
        --bg: #F7F5F2;
        --bg-alt: #EFECE7;
        --text: #2A2E33;
        --text-light: #66707A;
        --border: #E3DED7;
        --white: #FFFFFF;
        --radius: 14px;
        --radius-sm: 8px;
        --shadow: 0 10px 30px rgba(26, 24, 21, .08);
        --shadow-hover: 0 18px 40px rgba(26, 24, 21, .14);
        --transition: all .3s ease;
        --container-w: 1200px;
    }

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

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }

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

    a {
        color: inherit;
        text-decoration: none;
    }

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

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

    .site-header {
        background: var(--white);
        box-shadow: 0 4px 20px rgba(0, 0, 0, .06);
        position: sticky;
        top: 0;
        z-index: 1000;
        border-bottom: 1px solid var(--border);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 74px;
        gap: 20px;
    }

    .logo {
        font-size: 22px;
        font-weight: 700;
        letter-spacing: .5px;
        color: var(--dark);
        display: flex;
        align-items: center;
        gap: 8px;
        white-space: nowrap;
    }

    .logo i {
        color: var(--primary);
        font-size: 24px;
    }

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

    .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 16px;
        border-radius: 24px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-light);
        transition: var(--transition);
    }

    .nav-link i {
        font-size: 14px;
        opacity: .8;
    }

    .nav-link:hover,
    .nav-link.active {
        color: var(--primary);
        background: var(--primary-light);
    }

    .header-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        padding: 10px 22px;
        border-radius: 24px;
        font-size: 15px;
        font-weight: 600;
        transition: var(--transition);
        box-shadow: 0 4px 14px rgba(230, 81, 0, .3);
    }

    .header-cta:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(230, 81, 0, .35);
        color: #fff;
    }

    .nav-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 24px;
        color: var(--dark);
        cursor: pointer;
        padding: 8px;
    }

    /* hero */
    .cat-hero {
        background: linear-gradient(135deg, #1A1D21 0%, #2D3137 60%, #383028 100%);
        padding: 70px 0;
        position: relative;
        overflow: hidden;
        color: #fff;
    }

    .cat-hero::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        opacity: .25;
    }

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

    .cat-hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(255, 179, 0, .2);
        border: 1px solid rgba(255, 179, 0, .35);
        color: var(--accent);
        padding: 5px 16px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 500;
        margin-bottom: 16px;
    }

    .cat-hero h1 {
        font-size: 42px;
        font-weight: 700;
        line-height: 1.25;
        margin-bottom: 14px;
        letter-spacing: 1px;
    }

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

    .cat-hero p {
        font-size: 17px;
        color: rgba(255, 255, 255, .85);
        max-width: 620px;
        margin-bottom: 30px;
        line-height: 1.8;
    }

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

    .btn-primary,
    .btn-outline {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 13px 28px;
        border-radius: 28px;
        font-size: 15px;
        font-weight: 600;
        transition: var(--transition);
        border: 2px solid transparent;
        cursor: pointer;
    }

    .btn-primary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 6px 18px rgba(230, 81, 0, .35);
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(230, 81, 0, .4);
        color: #fff;
    }

    .btn-outline {
        background: transparent;
        border-color: rgba(255, 255, 255, .7);
        color: #fff;
    }

    .btn-outline:hover {
        background: rgba(255, 255, 255, .1);
        border-color: #fff;
        color: #fff;
        transform: translateY(-2px);
    }

    /* breadcrumb */
    .breadcrumb {
        padding: 14px 0;
        font-size: 14px;
        color: var(--text-light);
        border-bottom: 1px solid var(--border);
        background: var(--white);
    }

    .breadcrumb a {
        color: var(--primary);
        transition: var(--transition);
    }

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

    .breadcrumb i {
        font-size: 12px;
        margin: 0 8px;
        color: var(--border);
    }

    /* section common */
    .section {
        padding: 70px 0;
    }

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

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

    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--primary-light);
        color: var(--primary-dark);
        font-size: 13px;
        font-weight: 600;
        padding: 5px 16px;
        border-radius: 20px;
        margin-bottom: 12px;
    }

    .section-head h2 {
        font-size: 32px;
        font-weight: 700;
        color: var(--dark);
        line-height: 1.3;
        margin-bottom: 12px;
    }

    .section-head p {
        font-size: 15px;
        color: var(--text-light);
        line-height: 1.7;
    }

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

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

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

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

    .guide-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .5s ease;
    }

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

    .guide-card-img .badge {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(230, 81, 0, .92);
        color: #fff;
        padding: 4px 12px;
        border-radius: 16px;
        font-size: 12px;
        font-weight: 600;
        backdrop-filter: blur(4px);
    }

    .guide-card-body {
        padding: 22px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .guide-card-body h3 {
        font-size: 19px;
        font-weight: 700;
        color: var(--dark);
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .guide-card-body p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.7;
        margin-bottom: 16px;
        flex: 1;
    }

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

    .guide-card-meta .read-more {
        color: var(--primary);
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: var(--transition);
    }

    .guide-card-meta .read-more:hover {
        color: var(--primary-dark);
        gap: 8px;
    }

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

    .step-item {
        background: var(--white);
        border-radius: var(--radius);
        padding: 30px 24px;
        text-align: center;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        transition: var(--transition);
        position: relative;
    }

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

    .step-num {
        font-size: 13px;
        font-weight: 700;
        color: var(--primary);
        background: var(--primary-light);
        display: inline-block;
        padding: 3px 12px;
        border-radius: 14px;
        margin-bottom: 16px;
    }

    .step-item i {
        font-size: 36px;
        color: var(--primary);
        margin-bottom: 16px;
    }

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

    .step-item p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.65;
    }

    /* tools */
    .tools-list {
        list-style: none;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .tools-list li {
        background: var(--white);
        border-radius: var(--radius-sm);
        padding: 18px 20px;
        display: flex;
        align-items: flex-start;
        gap: 14px;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        transition: var(--transition);
    }

    .tools-list li:hover {
        transform: translateX(4px);
        box-shadow: var(--shadow-hover);
    }

    .tools-list i {
        color: var(--primary);
        font-size: 20px;
        margin-top: 2px;
        flex-shrink: 0;
    }

    .tools-list strong {
        display: block;
        font-size: 15px;
        color: var(--dark);
        margin-bottom: 2px;
    }

    .tools-list span {
        font-size: 13px;
        color: var(--text-light);
    }

    /* checklist */
    .checklist-wrap {
        display: grid;
        grid-template-columns: 1.2fr .8fr;
        gap: 36px;
        align-items: start;
    }

    .checklist {
        background: var(--white);
        border-radius: var(--radius);
        padding: 32px;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
    }

    .checklist h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--dark);
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .checklist h3 i {
        color: var(--accent);
    }

    .checklist-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 12px 0;
        border-bottom: 1px dashed var(--border);
    }

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

    .checklist-item i {
        color: var(--primary);
        margin-top: 5px;
        font-size: 14px;
    }

    .checklist-item p {
        font-size: 14px;
        color: var(--text);
        margin-bottom: 2px;
    }

    .checklist-item span {
        font-size: 13px;
        color: var(--text-light);
    }

    .checklist-side {
        background: var(--dark);
        border-radius: var(--radius);
        padding: 32px;
        color: #fff;
        position: relative;
        overflow: hidden;
    }

    .checklist-side::before {
        content: "";
        position: absolute;
        top: -40px;
        right: -40px;
        width: 120px;
        height: 120px;
        background: rgba(230, 81, 0, .3);
        border-radius: 50%;
    }

    .checklist-side h3 {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 16px;
    }

    .checklist-side p {
        font-size: 14px;
        color: rgba(255, 255, 255, .8);
        margin-bottom: 20px;
        line-height: 1.7;
    }

    .checklist-side .btn-primary {
        background: var(--accent);
        color: #1A1D21;
        box-shadow: none;
    }

    .checklist-side .btn-primary:hover {
        background: var(--accent);
        transform: scale(1.03);
        box-shadow: 0 8px 20px rgba(255, 179, 0, .3);
    }

    /* FAQ */
    .faq-wrap {
        max-width: 850px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--white);
        border-radius: var(--radius);
        margin-bottom: 16px;
        border: 1px solid var(--border);
        overflow: hidden;
        transition: var(--transition);
    }

    .faq-item:hover {
        box-shadow: var(--shadow);
        border-color: rgba(230, 81, 0, .3);
    }

    .faq-item summary {
        padding: 22px 26px;
        font-size: 16px;
        font-weight: 600;
        color: var(--dark);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        list-style: none;
    }

    .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 .3s ease;
    }

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

    .faq-item .faq-body {
        padding: 0 26px 22px;
        color: var(--text-light);
        font-size: 14px;
        line-height: 1.8;
    }

    /* CTA */
    .cta-section {
        background: linear-gradient(135deg, #1A1D21 0%, #29251F 55%, #3A2A1A 100%);
        padding: 60px 0;
        text-align: center;
        color: #fff;
    }

    .cta-section h2 {
        font-size: 30px;
        font-weight: 700;
        margin-bottom: 12px;
    }

    .cta-section p {
        font-size: 16px;
        color: rgba(255, 255, 255, .8);
        max-width: 560px;
        margin: 0 auto 28px;
    }

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

    /* footer */
    .site-footer {
        background: #15181B;
        padding: 56px 0 0;
        color: rgba(255, 255, 255, .75);
    }

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

    .footer-brand .logo {
        color: #fff;
        font-size: 20px;
        margin-bottom: 14px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        max-width: 380px;
    }

    .footer-title {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px;
    }

    .footer-links {
        list-style: none;
        padding: 0;
    }

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

    .footer-links a {
        color: rgba(255, 255, 255, .65);
        font-size: 14px;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .footer-links a i {
        font-size: 12px;
        color: var(--primary);
    }

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

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .1);
        padding: 20px 0;
        text-align: center;
        font-size: 13px;
        color: rgba(255, 255, 255, .5);
    }

    /* responsive */
    @media screen and (max-width: 1024px) {
        .guide-grid {
            grid-template-columns: repeat(2, 1fr);
        }

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

        .checklist-wrap {
            grid-template-columns: 1fr;
        }
    }

    @media screen and (max-width: 768px) {
        .header-inner {
            height: 64px;
        }

        .nav-toggle {
            display: block;
            z-index: 1002;
        }

        .nav-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: var(--white);
            flex-direction: column;
            align-items: flex-start;
            padding: 80px 24px 30px;
            transition: right .35s ease;
            box-shadow: -20px 0 40px rgba(0, 0, 0, .1);
            z-index: 1001;
            gap: 14px;
        }

        .nav-menu.open {
            right: 0;
        }

        .nav-menu .nav-link,
        .nav-menu .header-cta {
            width: 100%;
            justify-content: flex-start;
        }

        .cat-hero h1 {
            font-size: 30px;
        }

        .cat-hero {
            padding: 50px 0;
        }

        .section {
            padding: 50px 0;
        }

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

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
    }

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

        .guide-grid,
        .steps-wrap,
        .tools-list {
            grid-template-columns: 1fr;
        }

        .cat-hero h1 {
            font-size: 26px;
        }

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

        .hero-actions {
            flex-direction: column;
            align-items: flex-start;
        }

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

        .section-head h2 {
            font-size: 23px;
        }

        .checklist,
        .checklist-side {
            padding: 22px;
        }

        .footer-bottom p {
            font-size: 12px;
        }
    }

/* roulang page: article */
:root {
    --primary: #1e3a5f;
    --primary-dark: #13263f;
    --primary-light: #2b4c7e;
    --accent: #f5a623;
    --accent-hover: #e08a0f;
    --white: #ffffff;
    --bg-light: #f7f8fb;
    --text-dark: #1a1a2e;
    --text-body: #3d405b;
    --text-muted: #6b7085;
    --border: #e5e8ef;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 10px rgba(30, 58, 95, 0.05);
    --shadow-md: 0 6px 24px rgba(30, 58, 95, 0.08);
    --shadow-lg: 0 16px 40px rgba(30, 58, 95, 0.12);
    --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-body);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
a:focus, button:focus, summary:focus {
    outline: 2px solid rgba(245, 166, 35, 0.55);
    outline-offset: 2px;
}
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; width: 100%; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: linear-gradient(135deg, #0f2341 0%, #1e3a5f 100%);
    box-shadow: 0 4px 20px rgba(15, 35, 65, 0.25);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.logo {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.5px;
}
.logo i { color: var(--accent); font-size: 26px; }
.logo span { color: var(--accent); }
.nav-menu {
    display: flex;
    align-items: center;
    gap: 10px;
}
.nav-link {
    color: rgba(255, 255, 255, 0.78);
    font-size: 15px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-link.active { color: #fff; background: rgba(255, 255, 255, 0.14); }
.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #1a1a2e;
    font-weight: 700;
    font-size: 14px;
    padding: 10px 20px;
    border-radius: 30px;
    box-shadow: 0 4px 14px rgba(245, 166, 35, 0.35);
    transition: var(--transition);
}
.header-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 166, 35, 0.4);
    color: #1a1a2e;
}
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    padding: 8px;
}

/* Article Banner */
.article-banner {
    position: relative;
    background: linear-gradient(135deg, rgba(15, 35, 65, 0.88) 0%, rgba(30, 58, 95, 0.74) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    padding: 100px 0 80px;
    color: #fff;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 11px; }
.article-banner h1 {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.35;
    color: #fff;
    max-width: 820px;
    margin-bottom: 20px;
}
.article-banner .article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(245, 166, 35, 0.2);
    border: 1px solid rgba(245, 166, 35, 0.4);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 30px;
}
.badge i { font-size: 11px; }
.meta-item { display: inline-flex; align-items: center; gap: 6px; }

/* Article Main */
.article-main { padding: 60px 0 30px; }
.article-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 48px 44px;
    border: 1px solid var(--border);
}
.article-content { font-size: 16px; color: var(--text-body); }
.article-content p, .article-content ul, .article-content ol {
    margin-bottom: 20px;
    line-height: 1.9;
}
.article-content h2 { font-size: 24px; color: var(--text-dark); margin-top: 36px; margin-bottom: 14px; font-weight: 800; }
.article-content h3 { font-size: 20px; color: var(--text-dark); margin-top: 28px; margin-bottom: 12px; font-weight: 700; }
.article-content img { border-radius: var(--radius-md); margin: 24px 0; box-shadow: var(--shadow-sm); }
.article-content a { color: var(--primary-light); font-weight: 600; }
.article-content a:hover { color: var(--accent-hover); }
.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: var(--bg-light);
    padding: 20px 24px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 24px 0;
    color: var(--text-muted);
}
.article-content ul, .article-content ol { padding-left: 24px; list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; }
.article-tags { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
    display: inline-block;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 13px;
    padding: 4px 16px;
    border-radius: 30px;
    transition: var(--transition);
}
.tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-1px); }
.article-share { margin-top: 30px; display: flex; align-items: center; gap: 12px; }
.article-share span { font-size: 14px; color: var(--text-muted); }
.share-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-light);
    color: var(--text-muted);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.share-link:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
.empty-state { text-align: center; padding: 80px 20px; }
.empty-state i { font-size: 56px; color: #c5cbd8; margin-bottom: 16px; }
.empty-state h3 { font-size: 24px; color: var(--text-dark); margin-bottom: 12px; }
.empty-state p { color: var(--text-muted); margin-bottom: 24px; }
.btn-primary, .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 30px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}
.btn-primary { background: var(--accent); color: #1a1a2e; box-shadow: 0 6px 20px rgba(245, 166, 35, 0.35); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245, 166, 35, 0.4); color: #1a1a2e; }
.btn-outline { border: 2px solid rgba(255, 255, 255, 0.6); color: #fff; background: transparent; }
.btn-outline:hover { border-color: var(--accent); background: rgba(245, 166, 35, 0.15); color: var(--accent); transform: translateY(-2px); }

/* Sidebar */
.article-sidebar { position: sticky; top: 88px; }
.sidebar-card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    padding: 26px 24px;
    margin-bottom: 24px;
}
.sidebar-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.sidebar-card h3 i { color: var(--accent); font-size: 15px; }
.sidebar-links li { margin-bottom: 4px; }
.sidebar-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-body);
    transition: var(--transition);
}
.sidebar-links a:hover { background: var(--bg-light); color: var(--primary); padding-left: 16px; }
.sidebar-links a i { font-size: 12px; color: var(--accent); }
.sidebar-desc { font-size: 14px; color: var(--text-muted); line-height: 1.8; }
.sidebar-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text-body);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 30px;
    margin: 8px 4px 0 0;
    transition: var(--transition);
}
.sidebar-badge:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.sidebar-badge i { color: var(--accent); font-size: 11px; }

/* Related Section */
.related-section { background: var(--bg-light); padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-eyebrow {
    display: inline-block;
    background: rgba(245, 166, 35, 0.12);
    color: var(--accent-hover);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 18px;
    border-radius: 30px;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}
.section-header h2 { font-size: 30px; font-weight: 800; color: var(--text-dark); }
.section-header p { color: var(--text-muted); font-size: 15px; margin-top: 8px; }
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 16px;
}
.feature-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-img { position: relative; height: 180px; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.feature-card:hover .card-img img { transform: scale(1.05); }
.card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(15, 35, 65, 0.2) 100%);
}
.card-body { padding: 26px 24px; }
.card-body h3 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.card-body p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.8; }
.card-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.card-link:hover { color: var(--accent-hover); gap: 10px; }

/* FAQ */
.faq-section { padding: 80px 0; }
.faq-grid { max-width: 860px; margin: 0 auto; }
.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-item summary {
    cursor: pointer;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
    content: '\f059';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--accent);
    font-size: 16px;
}
.faq-item[open] summary { border-bottom: 1px solid var(--border); }
.faq-item[open] summary::before { color: var(--primary); }
.faq-answer { padding: 20px 24px; color: var(--text-muted); font-size: 15px; line-height: 1.8; background: var(--bg-light); }

/* CTA */
.cta-section {
    position: relative;
    background: linear-gradient(120deg, rgba(15, 35, 65, 0.92) 0%, rgba(30, 58, 95, 0.85) 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
    padding: 80px 0;
    text-align: center;
    color: #fff;
}
.cta-section h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.cta-section p { color: rgba(255, 255, 255, 0.75); font-size: 16px; margin-bottom: 32px; max-width: 640px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer { background: #0f2341; color: rgba(255, 255, 255, 0.7); padding: 60px 0 24px; }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 36px;
}
.footer-brand .logo { font-size: 22px; margin-bottom: 16px; }
.site-footer .logo { color: #fff; }
.site-footer .logo i, .site-footer .logo span { color: var(--accent) !important; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 420px; }
.footer-title { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.footer-links li { margin-bottom: 8px; }
.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-links i { font-size: 12px; color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 20px; text-align: center; font-size: 13px; color: rgba(255, 255, 255, 0.4); }

/* Responsive */
@media (max-width: 1024px) {
    .article-card { padding: 36px 28px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .article-banner h1 { font-size: 30px; }
}
@media (max-width: 768px) {
    .header-inner { height: 64px; }
    .menu-toggle { display: block; }
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--primary-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 24px 24px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
        gap: 6px;
    }
    .nav-menu.open { transform: translateX(0); }
    .nav-link { padding: 10px 14px; width: 100%; }
    .header-cta { margin-top: 10px; width: 100%; justify-content: center; }
    .article-banner { padding: 60px 0 40px; }
    .article-banner h1 { font-size: 26px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .feature-grid { grid-template-columns: 1fr; }
    .article-sidebar { position: static; margin-top: 32px; }
    .cta-section h2 { font-size: 28px; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .article-card { padding: 24px 18px; }
    .article-banner h1 { font-size: 22px; }
    .article-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
    .cta-section h2 { font-size: 24px; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .btn-primary, .btn-outline { width: 100%; justify-content: center; }
}