/* roulang page: index */
:root {
            --primary: #3E6B9E;
            --primary-light: #EAF1F8;
            --primary-dark: #264A6E;
            --accent: #D4A537;
            --accent-light: #FFF6E6;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --text: #2B3A4A;
            --text-light: #7A8B9C;
            --nav-bg: #0E1116;
            --border: #E3E9F0;
            --radius: 14px;
            --radius-sm: 10px;
            --shadow: 0 4px 20px rgba(62, 107, 158, 0.08);
            --shadow-hover: 0 10px 32px rgba(62, 107, 158, 0.16);
            --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        button {
            font-family: var(--font);
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--nav-bg);
            border-bottom: 1px solid rgba(212, 165, 55, 0.4);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(14, 17, 22, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-logo {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), #b8891f);
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #0E1116;
            box-shadow: 0 0 14px rgba(212, 165, 55, 0.3);
        }
        .nav-brand-text {
            display: flex;
            flex-direction: column;
        }
        .nav-brand-name {
            font-size: 20px;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .nav-brand-sub {
            font-size: 11px;
            color: #7A8B9C;
            letter-spacing: 2px;
            line-height: 1;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }
        .nav-menu a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: #C8D0DC;
            border-radius: 6px;
            position: relative;
            transition: color 0.3s ease, background 0.3s ease;
            min-height: 44px;
        }
        .nav-menu a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-menu a.active {
            color: #ffffff;
            font-weight: 700;
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            box-shadow: 0 0 12px rgba(212, 165, 55, 0.5);
        }
        .nav-menu a.active {
            text-shadow: 0 0 8px rgba(212, 165, 55, 0.4);
        }
        .nav-cta {
            margin-left: 8px;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #0E1116 !important;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 8px;
            min-height: 44px;
            transition: box-shadow 0.3s ease, transform 0.2s ease, background 0.3s ease;
        }
        .nav-cta-btn:hover {
            background: #e0b13f;
            box-shadow: 0 0 16px rgba(212, 165, 55, 0.6);
            transform: translateY(-1px);
        }
        .nav-cta-btn:active {
            transform: translateY(0) scale(0.98);
        }
        .nav-cta-btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 20px;
        }

        /* ===== Hero ===== */
        .hero {
            padding: 160px 0 100px;
            background: var(--primary-light);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.5;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-title {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }
        .hero-title span {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 480px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            min-height: 48px;
            border: none;
            letter-spacing: 0.5px;
        }
        .btn-primary {
            background: var(--accent);
            color: #0E1116;
            box-shadow: 0 4px 16px rgba(212, 165, 55, 0.3);
        }
        .btn-primary:hover {
            box-shadow: 0 0 20px rgba(212, 165, 55, 0.5);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            height: 360px;
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-visual::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .hero-line {
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin-top: 28px;
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: 96px 0;
        }
        .section-alt {
            background: #ffffff;
        }
        .section-title-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 48px;
        }
        .section-dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 1px;
            flex-shrink: 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 1px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            margin-top: 6px;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .stat-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 6px;
        }

        /* ===== 合集目录 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .category-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .category-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.03);
        }
        .category-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .category-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .category-card-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
        }
        .category-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
        }
        .category-badge {
            display: inline-block;
            background: var(--accent-light);
            color: #A87F15;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 4px;
        }
        .category-card-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.3s ease;
        }
        .category-card-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* ===== 最新资讯 ===== */
        .news-list {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .news-item {
            display: grid;
            grid-template-columns: 120px 90px 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 24px;
            border-bottom: 1px solid var(--border);
            transition: background 0.3s ease;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: var(--primary-light);
        }
        .news-date {
            font-size: 13px;
            color: var(--text-light);
            font-variant-numeric: tabular-nums;
        }
        .news-date-day {
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }
        .news-cat {
            font-size: 12px;
            background: var(--accent-light);
            color: #A87F15;
            padding: 2px 10px;
            border-radius: 4px;
            font-weight: 600;
            display: inline-block;
            text-align: center;
        }
        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            transition: color 0.3s ease;
        }
        .news-item:hover .news-title {
            color: var(--primary);
        }
        .news-link {
            font-size: 14px;
            color: var(--accent);
            font-weight: 600;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-link:hover {
            text-decoration: underline;
        }
        .news-empty {
            padding: 60px 24px;
            text-align: center;
            color: var(--text-light);
            font-size: 15px;
        }
        .news-empty i {
            font-size: 32px;
            margin-bottom: 12px;
            display: block;
            opacity: 0.4;
        }

        /* ===== 热门推荐 ===== */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: start;
        }
        .recommend-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .recommend-card.middle {
            margin-top: 20px;
        }
        .recommend-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .recommend-card-img {
            height: 180px;
            overflow: hidden;
        }
        .recommend-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .recommend-card:hover .recommend-card-img img {
            transform: scale(1.03);
        }
        .recommend-card-body {
            padding: 20px;
        }
        .recommend-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .recommend-card-line {
            width: 40px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ===== 分享 CTA ===== */
        .share-cta {
            background: var(--accent-light);
            padding: 80px 0;
            text-align: center;
        }
        .share-cta-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
        }
        .share-cta-desc {
            font-size: 15px;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 32px;
        }
        .share-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .share-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #ffffff;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text);
            transition: all 0.3s ease;
        }
        .share-icon:hover {
            background: var(--accent);
            color: #ffffff;
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(212, 165, 55, 0.4);
        }
        .share-icon:active {
            transform: scale(0.94);
        }
        .share-icon:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow 0.3s ease;
        }
        .faq-item.active {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: color 0.3s ease;
            min-height: 60px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-item.active .faq-question {
            color: var(--primary);
        }
        .faq-toggle {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--accent-light);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .faq-item.active .faq-toggle {
            transform: rotate(135deg);
            background: var(--accent);
            color: #ffffff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 24px 24px;
            background: var(--accent-light);
            border-radius: 0 0 8px 8px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 最终 CTA ===== */
        .final-cta {
            background: linear-gradient(135deg, var(--primary-dark), #1d3a54);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .final-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }
        .final-cta-title {
            font-size: 30px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
        }
        .final-cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .final-cta .btn-primary {
            font-size: 16px;
            padding: 14px 36px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--nav-bg);
            padding: 64px 0 24px;
            border-top: 1px solid rgba(212, 165, 55, 0.3);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .footer-brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand-desc {
            font-size: 14px;
            color: #8A9BAD;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: #C8D0DC;
            transition: color 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-links a i {
            font-size: 12px;
            color: var(--accent);
            opacity: 0.7;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            font-size: 13px;
            color: #5A6B7C;
        }
        .footer-bottom a {
            color: #8A9BAD;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .recommend-card.middle {
                margin-top: 0;
            }
            .hero-title {
                font-size: 32px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 48px 0;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--nav-bg);
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid rgba(212, 165, 55, 0.4);
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                justify-content: flex-start;
                padding: 14px 16px;
                font-size: 16px;
            }
            .nav-menu a.active::after {
                left: 16px;
                transform: none;
                width: 24px;
                bottom: 50%;
                translate: 0 50%;
            }
            .nav-cta {
                display: none;
            }
            .hero {
                padding: 120px 0 60px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                height: 240px;
            }
            .hero-title {
                font-size: 28px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 20px;
            }
            .news-date {
                font-size: 13px;
            }
            .news-date-day {
                font-size: 16px;
                display: inline;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .recommend-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .btn {
                width: 100%;
                max-width: none;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .section-title {
                font-size: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #3E6B9E;
            --primary-light: #EAF1F8;
            --primary-dark: #264A6E;
            --accent: #D4A537;
            --accent-light: #FFF6E6;
            --accent-deep: #A87F15;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --text: #2B3A4A;
            --text-light: #7A8B9C;
            --nav-bg: #0E1116;
            --border: #E3E9F0;
            --nav-border: rgba(255,255,255,0.08);
            --radius: 14px;
            --radius-sm: 10px;
            --radius-xs: 8px;
            --shadow: 0 4px 20px rgba(62, 107, 158, 0.08);
            --shadow-hover: 0 10px 32px rgba(62, 107, 158, 0.16);
            --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --nav-height: 64px;
            --gold-glow: 0 0 12px rgba(212, 165, 55, 0.5);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            text-decoration: none;
            color: var(--primary);
            transition: all 0.3s ease;
        }

        ul, ol {
            list-style: none;
        }

        button, input {
            font-family: inherit;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--nav-bg);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid transparent;
            border-image: linear-gradient(90deg, var(--accent), transparent 80%) 1;
            transition: background 0.35s ease, box-shadow 0.35s ease;
        }

        .site-header.scrolled {
            background: rgba(14, 17, 22, 0.94);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
        }

        .nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #B8891F);
            color: #0E1116;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(212, 165, 55, 0.35);
        }

        .nav-brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .nav-brand-name {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .nav-brand-sub {
            font-size: 11px;
            color: var(--accent);
            letter-spacing: 2px;
        }

        nav {
            display: flex;
            align-items: center;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
        }

        .nav-menu li a {
            display: block;
            padding: 8px 16px;
            color: #C8D0DC;
            font-size: 15px;
            font-weight: 500;
            border-radius: 6px;
            position: relative;
            transition: color 0.3s ease, background 0.3s ease;
        }

        .nav-menu li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-menu li a.active {
            color: #fff;
            font-weight: 600;
            box-shadow: var(--gold-glow);
            text-shadow: 0 0 8px rgba(212, 165, 55, 0.4);
        }

        .nav-menu li a.active::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: -3px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px 3px 0 0;
            box-shadow: 0 0 12px rgba(212, 165, 55, 0.5);
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #0E1116;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 22px;
            border-radius: 8px;
            transition: box-shadow 0.3s ease, transform 0.2s ease;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 0 16px rgba(212, 165, 55, 0.6);
            transform: translateY(-1px);
            color: #0E1116;
        }

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

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--nav-border);
            color: #C8D0DC;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background 0.3s ease;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: #F0F4F8;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-light);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-sep {
            color: #B8C4D0;
            font-size: 12px;
        }

        .breadcrumb-list li:last-child {
            color: var(--primary);
            font-weight: 500;
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: 48px 0 64px;
        }

        .article-container {
            max-width: 860px;
        }

        .article-card {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 56px 64px;
            margin-bottom: 32px;
        }

        .article-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 36px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border);
            flex-wrap: wrap;
        }

        .article-meta i {
            margin-right: 4px;
            color: var(--accent-deep);
            font-size: 12px;
        }

        .meta-sep {
            color: #C5CFD9;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            max-width: 720px;
            margin: 0 auto;
        }

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content h2 {
            color: var(--primary);
            font-size: 24px;
            font-weight: 700;
            margin-top: 40px;
            margin-bottom: 16px;
            padding-left: 14px;
            border-left: 3px solid var(--accent);
            line-height: 1.4;
        }

        .article-content h3 {
            color: var(--primary);
            font-size: 20px;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 14px;
            padding-left: 14px;
            border-left: 3px solid var(--accent);
            line-height: 1.4;
        }

        .article-content img {
            border-radius: 12px;
            max-width: 100%;
            margin: 28px 0;
            box-shadow: var(--shadow);
        }

        .article-content ul {
            margin: 16px 0 24px;
            padding-left: 24px;
        }

        .article-content ul li {
            list-style: disc;
            margin-bottom: 10px;
            color: var(--text);
        }

        .article-content ol {
            margin: 16px 0 24px;
            padding-left: 24px;
        }

        .article-content ol li {
            list-style: decimal;
            margin-bottom: 10px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 18px 22px;
            margin: 28px 0;
            border-radius: 0 10px 10px 0;
            color: var(--text-light);
            font-style: normal;
            line-height: 1.7;
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content a {
            color: var(--accent-deep);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--primary);
        }

        .article-content strong {
            font-weight: 700;
            color: var(--primary-dark);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content table th {
            background: var(--primary-light);
            font-weight: 600;
            color: var(--primary-dark);
        }

        /* 未找到 */
        .article-not-found {
            text-align: center;
            padding: 60px 24px;
            max-width: 720px;
            margin: 0 auto;
        }

        .article-not-found i {
            font-size: 48px;
            color: #C5CFD9;
            margin-bottom: 20px;
        }

        .article-not-found h2 {
            font-size: 22px;
            color: var(--text);
            margin-bottom: 10px;
            border: none;
            padding: 0;
        }

        .article-not-found p {
            color: var(--text-light);
            margin-bottom: 28px;
        }

        /* ===== 标签 ===== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #F0F3F7;
            color: var(--text-light);
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 20px;
            transition: background 0.3s ease, color 0.3s ease;
            cursor: default;
        }

        .tag i {
            font-size: 11px;
            color: var(--accent-deep);
        }

        .tag:hover {
            background: var(--accent-light);
            color: var(--accent-deep);
        }

        /* ===== 分享 ===== */
        .article-share {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 28px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            flex-wrap: wrap;
        }

        .article-share > span {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        .share-icons {
            display: flex;
            gap: 12px;
        }

        .share-icon {
            width: 40px;
            height: 40px;
            background: #F0F3F7;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--text-light);
            transition: all 0.3s ease;
        }

        .share-icon:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(212, 165, 55, 0.35);
        }

        .share-icon:active {
            transform: translateY(-1px);
        }

        /* ===== 返回链接 ===== */
        .article-return {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }

        .article-return a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--accent-deep);
            font-weight: 500;
            padding: 10px 0;
        }

        .article-return a:hover {
            color: var(--primary);
        }

        .article-return a i {
            font-size: 13px;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            background: var(--bg);
            padding: 72px 0;
            border-top: 1px solid var(--border);
        }

        .section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 36px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            display: inline-block;
            border-radius: 1px;
            transform: rotate(45deg);
            flex-shrink: 0;
        }

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

        .related-card {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            display: block;
            transition: all 0.35s ease;
        }

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

        .related-img {
            height: 150px;
            overflow: hidden;
        }

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

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

        .related-info {
            padding: 20px 22px 22px;
        }

        .related-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color 0.3s ease;
        }

        .related-card:hover .related-info h3 {
            color: var(--primary);
        }

        .related-info p {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 14px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-link {
            font-size: 13px;
            color: var(--accent-deep);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .related-link i {
            font-size: 11px;
            transition: transform 0.3s ease;
        }

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

        /* ===== CTA ===== */
        .article-cta {
            background: var(--accent-light);
            padding: 64px 0;
            text-align: center;
            border-top: 1px solid var(--border);
        }

        .article-cta h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
        }

        .article-cta p {
            font-size: 15px;
            color: var(--text-light);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--accent);
            color: #0E1116;
        }

        .btn-primary:hover {
            box-shadow: 0 0 16px rgba(212, 165, 55, 0.5);
            transform: translateY(-2px);
            color: #0E1116;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-lg {
            padding: 14px 40px;
            font-size: 16px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--nav-bg);
            color: #C8D0DC;
            border-top: 1px solid var(--accent);
            padding-top: 56px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand-name {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand-name .nav-logo {
            width: 34px;
            height: 34px;
            font-size: 17px;
            border-radius: 7px;
        }

        .footer-brand-name span {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: #8899AA;
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

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

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #C8D0DC;
            font-size: 14px;
            line-height: 1.6;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

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

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

        .footer-bottom {
            border-top: 1px solid var(--nav-border);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: #66788A;
        }

        .footer-bottom span:first-child {
            color: #8B9CAC;
        }

        /* ===== 按钮 focus ===== */
        .btn:focus-visible,
        .nav-cta-btn:focus-visible,
        .nav-toggle:focus-visible,
        .share-icon:focus-visible {
            outline: 3px solid rgba(212, 165, 55, 0.5);
            outline-offset: 2px;
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-card {
                padding: 40px 36px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 56px;
            }
            :root {
                --nav-height: 56px;
            }
            .nav-inner {
                padding: 0 16px;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--nav-bg);
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 16px 20px;
                gap: 4px;
                border-bottom: 2px solid var(--accent);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu li a {
                padding: 12px 16px;
                width: 100%;
                font-size: 16px;
            }
            .nav-menu li a.active::after {
                left: 16px;
                right: auto;
                width: 40px;
                bottom: 2px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .article-main {
                padding: 32px 0 48px;
            }
            .article-card {
                padding: 32px 24px;
                border-radius: 12px;
            }
            .article-title {
                font-size: 24px;
                line-height: 1.4;
            }
            .article-meta {
                font-size: 12px;
                margin-bottom: 24px;
                padding-bottom: 18px;
            }
            .article-content p {
                margin-bottom: 20px;
            }
            .article-content h2 {
                font-size: 20px;
                margin-top: 32px;
            }
            .article-content h3 {
                font-size: 18px;
                margin-top: 26px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-img {
                height: 130px;
            }
            .article-cta {
                padding: 48px 16px;
            }
            .article-cta h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                padding-bottom: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
            .breadcrumb-list li:last-child {
                max-width: 200px;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            .article-share {
                gap: 12px;
            }
            .share-icons {
                gap: 8px;
            }
            .share-icon {
                width: 38px;
                height: 38px;
                font-size: 15px;
            }
            .article-return {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

        @media (max-width: 480px) {
            .article-card {
                padding: 24px 18px;
            }
            .article-title {
                font-size: 21px;
            }
            .article-content {
                font-size: 15px;
            }
            .btn-lg {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #3E6B9E;
  --primary-light: #EAF1F8;
  --primary-dark: #264A6E;
  --accent: #D4A537;
  --accent-light: #FFF6E6;
  --bg: #F6F8FB;
  --card: #FFFFFF;
  --text: #2B3A4A;
  --text-light: #7A8B9C;
  --nav-bg: #0E1116;
  --border: #E3E9F0;
  --radius: 14px;
  --shadow: 0 4px 20px rgba(62, 107, 158, 0.08);
  --shadow-hover: 0 10px 32px rgba(62, 107, 158, 0.16);
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.grid-container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.28);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(to right, var(--accent), transparent 48%);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 24px;
  position: relative;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-logo {
  width: 38px;
  height: 38px;
  background: var(--accent);
  color: #0E1116;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(212, 165, 55, 0.35);
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-brand-name {
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.nav-brand-sub {
  color: #8A99AB;
  font-size: 12px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  color: #C8D0DC;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 8px;
  position: relative;
  transition: color 0.25s ease, background 0.25s ease, text-shadow 0.25s ease;
}

.nav-menu a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-menu a.active {
  color: #fff;
  text-shadow: 0 0 8px rgba(212, 165, 55, 0.35);
}

.nav-menu a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 3px;
  background: linear-gradient(to right, var(--accent), rgba(212, 165, 55, 0.3));
  border-radius: 3px;
  box-shadow: 0 0 12px rgba(212, 165, 55, 0.5);
}

.nav-cta-btn {
  display: inline-block;
  background: var(--accent);
  color: #0E1116;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 8px;
  transition: box-shadow 0.25s ease, transform 0.15s ease;
}

.nav-cta-btn:hover {
  box-shadow: 0 0 16px rgba(212, 165, 55, 0.6);
}

.nav-cta-btn:active {
  transform: translateY(1px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.25s ease;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.16);
}

/* ===== 面包屑 ===== */
.breadcrumb-bar {
  background: #F0F4F8;
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  font-size: 13px;
  color: var(--text-light);
}

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

.breadcrumb a {
  color: var(--text-light);
  transition: color 0.2s ease;
}

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

.breadcrumb .separator {
  color: #C2CCD8;
}

.breadcrumb .current {
  color: var(--primary);
  font-weight: 600;
}

/* ===== 分类介绍 ===== */
.category-intro {
  background: var(--primary-light);
  padding: 80px 0 64px;
  position: relative;
  overflow: hidden;
}

.intro-tag {
  display: inline-block;
  background: var(--accent-light);
  border: 1px solid rgba(212, 165, 55, 0.3);
  color: #A87F15;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.category-intro h1 {
  font-size: 40px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 20px;
}

.intro-desc {
  font-size: 16px;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 560px;
}

.intro-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 10px;
  transition: box-shadow 0.25s ease, background 0.25s ease, transform 0.15s ease, border-color 0.25s ease;
}

.btn-primary {
  background: var(--accent);
  color: #0E1116;
}

.btn-primary:hover {
  box-shadow: 0 0 16px rgba(212, 165, 55, 0.5);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-light);
}

.btn-outline:active {
  transform: translateY(1px);
}

.btn-large {
  padding: 16px 42px;
  font-size: 16px;
}

.intro-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  width: 100%;
  object-fit: cover;
}

/* ===== 分类 Banner ===== */
.category-banner {
  padding: 56px 0 0;
}

.banner-card {
  border-radius: var(--radius);
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(14, 17, 22, 0.45);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 32px;
  text-align: center;
}

.banner-overlay span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
}

.banner-overlay h2 {
  color: #ffffff;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
}

/* ===== 内容区 ===== */
.guide-content {
  padding: 80px 0 0;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
}

.square-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(212, 165, 55, 0.6);
  flex-shrink: 0;
}

.section-head h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary-dark);
}

.guide-grid .cell {
  margin-bottom: 24px;
}

.guide-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  height: 100%;
  box-shadow: var(--shadow);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.guide-num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 28px;
  font-weight: 800;
  color: #E7EAF0;
  line-height: 1;
}

.guide-block h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 14px;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
}

.guide-block p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.guide-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 4px;
}

.guide-list li::before {
  content: "▪";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 13px;
}

.guide-thumb {
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(62, 107, 158, 0.08);
  margin-bottom: 16px;
}

/* ===== CTA 区 ===== */
.category-cta {
  background: var(--accent-light);
  padding: 80px 0;
  text-align: center;
  margin-top: 40px;
  border-top: 1px solid rgba(212, 165, 55, 0.15);
  border-bottom: 1px solid rgba(212, 165, 55, 0.15);
}

.category-cta h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.category-cta p {
  color: var(--text-light);
  font-size: 16px;
  margin-bottom: 28px;
}

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

/* ===== FAQ ===== */
.category-faq {
  padding: 80px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 12px;
  transition: box-shadow 0.25s ease;
}

.faq-item.is-open {
  box-shadow: var(--shadow);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: color 0.2s ease;
}

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

.faq-item.is-open .faq-question {
  color: var(--primary);
}

.faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-light);
  color: #A87F15;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex: 0 0 26px;
  transition: background 0.2s ease, color 0.2s ease;
}

.faq-item.is-open .faq-icon {
  background: var(--accent);
  color: #0E1116;
}

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

.faq-answer-inner {
  padding: 0 20px 18px 58px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--nav-bg);
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, var(--accent), transparent 50%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding: 48px 0 32px;
}

.footer-brand-name {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}

.footer-brand-desc {
  margin-top: 14px;
  color: #8A99AB;
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.footer-links a {
  color: #C8D0DC;
  font-size: 14px;
  transition: color 0.2s ease;
}

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

.footer-links i {
  margin-right: 6px;
  color: var(--accent);
  font-size: 12px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #8A99AB;
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .category-intro h1 {
    font-size: 32px;
  }

  .intro-grid .cell {
    margin-bottom: 32px;
  }
}

@media screen and (max-width: 768px) {
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 8px;
    border-bottom: 1px solid rgba(212, 165, 55, 0.25);
  }

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

  .nav-menu a {
    display: block;
    padding: 13px 16px;
  }

  .nav-menu a.active::after {
    left: 16px;
    right: auto;
    width: 32px;
  }

  .category-intro {
    padding: 48px 0 40px;
  }

  .category-intro h1 {
    font-size: 28px;
  }

  .banner-overlay h2 {
    font-size: 20px;
  }

  .banner-card {
    min-height: 200px;
  }

  .guide-content,
  .category-faq {
    padding: 48px 0 0;
  }

  .category-cta {
    padding: 48px 0;
  }

  .section-head h2 {
    font-size: 22px;
  }

  .guide-block h3 {
    font-size: 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    padding: 32px 0 24px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-large {
    width: 100%;
  }
}

@media screen and (max-width: 340px) {
  .btn {
    width: 100%;
  }

  .nav-inner {
    padding: 0 16px;
  }
}

/* roulang page: category2 */
:root {
            --primary: #3E6B9E;
            --primary-light: #EAF1F8;
            --primary-dark: #264A6E;
            --accent: #D4A537;
            --accent-dark: #A87F15;
            --accent-light: #FFF6E6;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --text: #2B3A4A;
            --text-light: #7A8B9C;
            --nav-bg: #0E1116;
            --border: #E3E9F0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --shadow-default: 0 4px 20px rgba(62, 107, 158, 0.08);
            --shadow-hover: 0 10px 32px rgba(62, 107, 158, 0.16);
            --transition: all 0.3s ease;
        }

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

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

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

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

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

        ul, ol {
            list-style: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(212, 165, 55, 0.4);
            outline-offset: 2px;
        }

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

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            text-align: center;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--nav-bg);
        }

        .btn-primary:hover {
            box-shadow: 0 0 16px rgba(212, 165, 55, 0.5);
            transform: translateY(-2px);
            color: var(--nav-bg);
        }

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

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--nav-bg);
            z-index: 1000;
            border-bottom: 1px solid rgba(212, 165, 55, 0.5);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(14, 17, 22, 0.96);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
        }

        .nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-logo {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #E8C66A);
            color: var(--nav-bg);
            font-weight: 800;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .nav-brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .nav-brand-name {
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.02em;
        }

        .nav-brand-sub {
            color: #7A8B9C;
            font-size: 11px;
            letter-spacing: 0.08em;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-menu a {
            color: #C8D0DC;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            position: relative;
            transition: var(--transition);
        }

        .nav-menu a:hover {
            color: #fff;
        }

        .nav-menu a.active {
            color: #fff;
            text-shadow: 0 0 8px rgba(212, 165, 55, 0.4);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px 3px 0 0;
            box-shadow: 0 0 12px rgba(212, 165, 55, 0.5);
        }

        .nav-cta-btn {
            background: var(--accent);
            color: var(--nav-bg) !important;
            font-weight: 700;
            font-size: 14px;
            padding: 9px 22px;
            border-radius: 8px;
            transition: var(--transition);
            display: inline-block;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 0 16px rgba(212, 165, 55, 0.6);
            transform: translateY(-1px);
            color: var(--nav-bg) !important;
        }

        .nav-toggle {
            display: none;
            color: #fff;
            font-size: 22px;
            padding: 8px;
            line-height: 1;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: #F0F4F8;
            padding: 76px 0 14px;
            border-bottom: 1px solid var(--border);
            font-size: 13px;
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-item a {
            color: var(--text-light);
        }

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

        .breadcrumb-item.current {
            color: var(--primary);
            font-weight: 600;
        }

        .breadcrumb-sep {
            color: #B7C0CB;
        }

        /* ===== Hero ===== */
        .page-hero {
            background: var(--primary-light);
            padding: 64px 0;
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(212, 165, 55, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            transform: translate(30%, -30%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 16px;
            left: 24px;
            width: 60px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), transparent);
            opacity: 0.6;
        }

        .page-hero .hero-layout::after {
            content: '';
            position: absolute;
            bottom: 16px;
            right: 24px;
            width: 60px;
            height: 2px;
            background: linear-gradient(270deg, var(--accent), transparent);
            opacity: 0.6;
        }

        .hero-layout {
            position: relative;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-light);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .hero-sub {
            font-size: 16px;
            color: var(--text-light);
            max-width: 480px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

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

        .hero-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            aspect-ratio: 4 / 3;
        }

        .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== 板块通用 ===== */
        section {
            padding: 80px 0;
        }

        .section-head {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 36px;
        }

        .section-dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            flex-shrink: 0;
        }

        .section-head h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.02em;
        }

        /* ===== 栏目看点 ===== */
        .feature-section {
            background: var(--card);
        }

        .feature-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-default);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(62, 107, 158, 0.2);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            transition: var(--transition);
        }

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

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

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

        .feature-grid .cell {
            margin-bottom: 24px;
        }

        @media (min-width: 1024px) {
            .feature-grid .cell {
                margin-bottom: 0;
            }
        }

        /* ===== 内容方向 ===== */
        .content-section {
            background: var(--bg);
        }

        .content-banner {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 48px;
            height: 220px;
        }

        .content-banner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .content-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(14, 17, 22, 0.65), rgba(14, 17, 22, 0.15));
        }

        .content-banner h3 {
            position: absolute;
            left: 36px;
            bottom: 28px;
            z-index: 2;
            color: #fff;
            font-size: 28px;
            font-weight: 800;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
        }

        .content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 48px;
        }

        .content-block:last-child {
            margin-bottom: 0;
        }

        .content-block:nth-child(even) .block-image {
            order: -1;
        }

        .block-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            aspect-ratio: 3 / 2;
        }

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

        .content-block:hover .block-image img {
            transform: scale(1.02);
        }

        .block-text h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            border-left: 3px solid var(--accent);
            padding-left: 14px;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .block-text p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .block-text ul li {
            font-size: 14px;
            color: var(--text);
            padding: 4px 0;
            padding-left: 18px;
            position: relative;
        }

        .block-text ul li::before {
            content: '▪';
            color: var(--accent);
            position: absolute;
            left: 4px;
            font-size: 12px;
            top: 5px;
        }

        /* ===== 统计区 ===== */
        .stats-section {
            background: var(--nav-bg);
            border-top: 1px solid rgba(212, 165, 55, 0.3);
            border-bottom: 1px solid rgba(212, 165, 55, 0.3);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            text-align: center;
        }

        .stat-item strong {
            display: block;
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-item span {
            color: #C8D0DC;
            font-size: 14px;
        }

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

        .faq-accordion {
            background: transparent;
            border: none;
            margin-bottom: 0;
        }

        .faq-accordion .accordion-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-default);
        }

        .faq-accordion .accordion-item.is-active {
            border-color: rgba(212, 165, 55, 0.4);
            box-shadow: var(--shadow-hover);
        }

        .faq-accordion .accordion-item:last-child {
            margin-bottom: 0;
        }

        .faq-accordion .accordion-title {
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            padding: 18px 24px;
            border: none;
            background: transparent;
            position: relative;
            display: flex;
            align-items: center;
            transition: var(--transition);
            line-height: 1.5;
        }

        .faq-accordion .accordion-title:hover {
            color: var(--primary);
            background: var(--accent-light);
        }

        .faq-accordion .accordion-item.is-active .accordion-title {
            color: var(--primary);
            background: var(--accent-light);
            border-radius: 14px 14px 0 0;
        }

        .faq-accordion .accordion-title::before,
        .faq-accordion .accordion-title::after {
            content: none !important;
            border: none !important;
            background: none !important;
            width: auto;
            height: auto;
            position: static;
            transform: none;
        }

        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: var(--accent-light);
            color: var(--accent-dark);
            border-radius: 50%;
            font-weight: 700;
            font-size: 15px;
            margin-right: 14px;
            flex-shrink: 0;
            transition: var(--transition);
            font-style: normal;
        }

        .faq-icon::before {
            content: '+';
            line-height: 1;
        }

        .accordion-item.is-active .faq-icon {
            background: var(--accent);
            color: #fff;
        }

        .accordion-item.is-active .faq-icon::before {
            content: '−';
        }

        .faq-accordion .accordion-content {
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
            background: var(--accent-light);
            border-radius: 0 0 14px 14px;
            border: none;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--accent-light);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border: 3px solid rgba(212, 165, 55, 0.18);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 180px;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            border-radius: 3px;
            opacity: 0.5;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 14px;
        }

        .cta-section p {
            color: var(--text-light);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto 32px;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--nav-bg);
            border-top: 1px solid rgba(212, 165, 55, 0.4);
            padding: 48px 0 0;
            color: #C8D0DC;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand-name .nav-logo {
            width: 34px;
            height: 34px;
            font-size: 18px;
        }

        .footer-brand-name span {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: #7A8B9C;
            max-width: 320px;
            line-height: 1.7;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

        .footer-links a {
            color: #C8D0DC;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

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

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: #7A8B9C;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-layout {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .page-hero h1 {
                font-size: 34px;
            }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            section {
                padding: 48px 0;
            }

            .nav-toggle {
                display: block;
            }

            .nav-menu {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--nav-bg);
                flex-direction: column;
                gap: 0;
                padding: 12px 24px;
                border-bottom: 1px solid rgba(212, 165, 55, 0.3);
                transform: translateY(-120%);
                transition: var(--transition);
                visibility: hidden;
                opacity: 0;
                box-shadow: 0 12px 24px rgba(0, 0, 0, 0.35);
            }

            .nav-menu.open {
                transform: translateY(0);
                visibility: visible;
                opacity: 1;
            }

            .nav-menu li {
                width: 100%;
            }

            .nav-menu a {
                display: block;
                padding: 14px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }

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

            .nav-menu a.active {
                background: linear-gradient(90deg, rgba(212, 165, 55, 0.12), transparent);
                padding-left: 12px;
                border-radius: 6px;
            }

            .nav-cta {
                display: none;
            }

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

            .hero-image {
                aspect-ratio: 16 / 10;
                max-height: 220px;
            }

            .page-hero {
                padding: 40px 0;
            }

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

            .content-block:nth-child(even) .block-image {
                order: 0;
            }

            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .stat-item strong {
                font-size: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 24px;
            }

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

            .section-head h2 {
                font-size: 22px;
            }

            .content-banner h3 {
                font-size: 22px;
                left: 20px;
                bottom: 18px;
            }
        }

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

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

            .hero-actions .btn {
                width: 100%;
            }

            .cta-actions {
                flex-direction: column;
            }

            .cta-actions .btn {
                width: 100%;
            }

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

            .stat-item:last-child {
                grid-column: span 2;
            }

            .content-banner {
                height: 180px;
            }
        }

        @media (max-width: 340px) {
            .btn {
                width: 100%;
            }
        }