/* roulang page: index */
:root {
            --primary: #2563eb;
            --primary-600: #1d4ed8;
            --primary-50: #eff6ff;
            --accent: #f59e0b;
            --accent-600: #d97706;
            --accent-50: #fffbeb;
            --bg: #f6f8fb;
            --surface: #ffffff;
            --text: #0f172a;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --radius-sm: 10px;
            --radius: 18px;
            --radius-lg: 28px;
            --shadow-sm: 0 2px 12px rgba(15, 23, 42, .06);
            --shadow: 0 12px 36px rgba(15, 23, 42, .08);
            --shadow-lg: 0 24px 60px rgba(15, 23, 42, .12);
            --transition: all .25s 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 {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1180px;
        }

        /* ===== 通用按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: .75rem 1.6rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: .95rem;
            line-height: 1.2;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-custom-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-custom-primary:hover {
            background: var(--primary-600);
            color: #fff;
            box-shadow: 0 8px 24px rgba(37, 99, 235, .35);
            transform: translateY(-2px);
        }

        .btn-custom-ghost {
            background: transparent;
            color: var(--text);
            border-color: var(--border);
        }

        .btn-custom-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-50);
            transform: translateY(-2px);
        }

        .btn-custom-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-custom-accent:hover {
            background: var(--accent-600);
            color: #fff;
            box-shadow: 0 8px 24px rgba(245, 158, 11, .35);
            transform: translateY(-2px);
        }

        .btn-custom:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .4);
            outline-offset: 2px;
        }

        /* ===== 板块头部 ===== */
        .section-head {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-tag {
            display: inline-block;
            padding: .3rem 1rem;
            background: var(--primary-50);
            color: var(--primary);
            border-radius: 30px;
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .04em;
            margin-bottom: .8rem;
        }

        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.4rem);
            font-weight: 800;
            margin: 0 0 .6rem;
            color: var(--text);
            line-height: 1.3;
        }

        .section-desc {
            max-width: 640px;
            margin: 0 auto;
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.8;
        }

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

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

        /* ===== 导航栏 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, .8);
        }

        .site-header .navbar {
            padding: .8rem 0;
        }

        .navbar-brand {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -.01em;
        }

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

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

        .navbar-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            padding: .5rem 1.05rem;
            border-radius: 30px;
            margin: 0 .1rem;
            font-size: .95rem;
            transition: var(--transition);
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-50);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-50);
            font-weight: 600;
        }

        .btn-nav {
            padding: .55rem 1.5rem;
            font-size: .9rem;
            background: var(--text);
            color: #fff;
            border-radius: 50px;
            border: none;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }

        .btn-nav:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(15, 23, 42, .15);
        }

        .navbar-toggler {
            border: none;
            padding: .45rem .7rem;
            border-radius: 10px;
            background: var(--primary-50);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(37, 99, 235, .25);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(37,99,235,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(120deg, #eff6ff 0%, #f5f9ff 45%, #fffbeb 100%);
            overflow: hidden;
            padding: 4.5rem 0 5.5rem;
            border-bottom: 1px solid rgba(226, 232, 240, .5);
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .06;
            pointer-events: none;
        }

        .hero-wrap {
            display: flex;
            align-items: center;
            gap: 3rem;
            position: relative;
            z-index: 2;
        }

        .hero-copy {
            flex: 1 1 52%;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            padding: .35rem 1.2rem;
            background: rgba(255, 255, 255, .85);
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: .8rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 1.4rem;
            box-shadow: var(--shadow-sm);
        }

        .hero-title {
            font-size: clamp(2.3rem, 5vw, 3.7rem);
            font-weight: 900;
            line-height: 1.15;
            color: var(--text);
            margin-bottom: 1.2rem;
            letter-spacing: -.02em;
        }

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

        .hero-subtitle {
            font-size: 1.08rem;
            color: var(--text-muted);
            max-width: 520px;
            margin-bottom: 2rem;
            line-height: 1.85;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: .8rem;
            margin-bottom: 2.2rem;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: .6rem;
            color: var(--text-muted);
            font-size: .9rem;
        }

        .hero-meta .meta-item i {
            color: var(--primary);
            font-size: 1.1rem;
        }

        .hero-visual {
            flex: 1 1 48%;
            position: relative;
        }

        .hero-img {
            width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            object-fit: cover;
            aspect-ratio: 5/4;
        }

        .hero-deco {
            position: absolute;
            border-radius: 50%;
            z-index: -1;
        }

        .hero-deco-1 {
            width: 180px;
            height: 180px;
            background: rgba(37, 99, 235, .12);
            top: -30px;
            right: -20px;
        }

        .hero-deco-2 {
            width: 90px;
            height: 90px;
            background: rgba(245, 158, 11, .18);
            bottom: -12px;
            left: -12px;
        }

        .hero-float-card {
            position: absolute;
            left: -18px;
            bottom: 26px;
            display: flex;
            align-items: center;
            gap: .8rem;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(12px);
            padding: .9rem 1.3rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid rgba(226, 232, 240, .8);
        }

        .hero-float-card i {
            color: var(--primary);
            font-size: 1.6rem;
        }

        .hero-float-card strong {
            display: block;
            font-size: .92rem;
            color: var(--text);
            line-height: 1.3;
        }

        .hero-float-card span {
            font-size: .78rem;
            color: var(--text-muted);
        }

        /* ===== 核心说明 ===== */
        .intro-section {
            padding: 5rem 0;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }

        .intro-media img {
            width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .intro-text .section-tag {
            margin-bottom: .6rem;
        }

        .intro-text h2 {
            font-size: clamp(1.6rem, 2.8vw, 2.1rem);
            font-weight: 800;
            margin-bottom: 1rem;
            line-height: 1.35;
        }

        .intro-text p.lead {
            color: var(--text-muted);
            margin-bottom: 1.8rem;
            line-height: 1.8;
        }

        .intro-features {
            display: grid;
            gap: 1rem;
        }

        .intro-feature {
            display: flex;
            gap: .9rem;
            padding: 1rem 1.2rem;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: var(--transition);
        }

        .intro-feature:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(37, 99, 235, .3);
        }

        .intro-feature .ico {
            width: 42px;
            height: 42px;
            flex-shrink: 0;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            background: var(--primary-50);
            color: var(--primary);
        }

        .intro-feature h4 {
            font-size: .98rem;
            font-weight: 700;
            margin-bottom: .2rem;
        }

        .intro-feature p {
            font-size: .86rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== 分类入口 ===== */
        .category-section {
            padding: 5rem 0;
            background: var(--surface);
        }

        .category-card {
            display: block;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--surface);
            transition: var(--transition);
            height: 100%;
        }

        .category-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-6px);
            border-color: rgba(37, 99, 235, .25);
        }

        .category-card .cat-img {
            height: 190px;
            overflow: hidden;
            position: relative;
        }

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

        .category-card:hover .cat-img img {
            transform: scale(1.06);
        }

        .category-card .cat-body {
            padding: 1.6rem;
        }

        .category-card .cat-tag {
            display: inline-block;
            padding: .25rem .9rem;
            background: var(--primary-50);
            color: var(--primary);
            border-radius: 30px;
            font-size: .75rem;
            font-weight: 600;
            margin-bottom: .8rem;
        }

        .category-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: .5rem;
            color: var(--text);
        }

        .category-card p {
            color: var(--text-muted);
            font-size: .9rem;
            margin-bottom: 1.1rem;
            line-height: 1.7;
        }

        .category-card .cat-more {
            color: var(--primary);
            font-weight: 600;
            font-size: .9rem;
            display: inline-flex;
            align-items: center;
            gap: .3rem;
        }

        .category-card .cat-more i {
            transition: transform .25s ease;
        }

        .category-card:hover .cat-more i {
            transform: translateX(4px);
        }

        /* ===== 最新资讯 ===== */
        .news-section {
            padding: 5rem 0;
        }

        .news-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.4rem 1.5rem;
            margin-bottom: 1rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }

        .news-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(37, 99, 235, .25);
            transform: translateX(4px);
        }

        .news-card .news-cat {
            flex-shrink: 0;
            padding: .3rem .9rem;
            background: var(--primary-50);
            color: var(--primary);
            font-size: .78rem;
            font-weight: 600;
            border-radius: 30px;
        }

        .news-card .news-info {
            flex: 1;
            min-width: 0;
        }

        .news-card .news-info h3 {
            font-size: 1.02rem;
            font-weight: 600;
            margin: 0 0 .2rem;
            color: var(--text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-card .news-info p {
            color: var(--text-muted);
            font-size: .86rem;
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-card .news-date {
            flex-shrink: 0;
            color: var(--text-light);
            font-size: .82rem;
            display: flex;
            align-items: center;
            gap: .3rem;
        }

        .empty-tip {
            text-align: center;
            padding: 2rem;
            color: var(--text-muted);
            background: var(--surface);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            padding: 4.8rem 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(15, 23, 42, .72);
            backdrop-filter: blur(4px);
        }

        .stats-section .container {
            position: relative;
            z-index: 2;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stat-item {
            padding: 1.5rem 1rem;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
        }

        .stat-num {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: .3rem;
        }

        .stat-label {
            color: rgba(255, 255, 255, .75);
            font-size: .92rem;
            font-weight: 500;
        }

        /* ===== 精选内容 ===== */
        .feature-section {
            padding: 5rem 0;
            background: var(--surface);
        }

        .feature-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--surface);
            transition: var(--transition);
            height: 100%;
        }

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

        .feature-card .feature-img {
            height: 210px;
            overflow: hidden;
            position: relative;
        }

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

        .feature-card:hover .feature-img img {
            transform: scale(1.06);
        }

        .feature-card .feature-body {
            padding: 1.5rem;
        }

        .feature-card .feature-body .badge {
            background: var(--accent-50);
            color: var(--accent-600);
            border-radius: 30px;
            font-size: .75rem;
            font-weight: 600;
            padding: .35rem .9rem;
            margin-bottom: .7rem;
        }

        .feature-card .feature-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: .5rem;
            line-height: 1.4;
        }

        .feature-card .feature-body p {
            color: var(--text-muted);
            font-size: .88rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 使用流程 ===== */
        .process-section {
            padding: 5rem 0;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .process-item {
            position: relative;
            text-align: center;
            padding: 2.4rem 1.6rem 1.8rem;
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .process-step {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.3rem;
            box-shadow: 0 8px 20px rgba(37, 99, 235, .3);
        }

        .process-item h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: .6rem;
        }

        .process-item p {
            color: var(--text-muted);
            font-size: .88rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 5rem 0;
            background: var(--surface);
        }

        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .custom-accordion .accordion-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: .9rem;
            overflow: hidden;
        }

        .custom-accordion .accordion-button {
            background: transparent;
            color: var(--text);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.1rem 1.4rem;
            box-shadow: none;
            border-radius: var(--radius) !important;
            transition: var(--transition);
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-50);
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
        }

        .custom-accordion .accordion-button::after {
            background-size: 1rem;
            opacity: .6;
        }

        .custom-accordion .accordion-body {
            color: var(--text-muted);
            line-height: 1.8;
            font-size: .92rem;
            padding: 0 1.4rem 1.2rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 5rem 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            position: relative;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(37, 99, 235, .72);
        }

        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-box h2 {
            color: #fff;
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .cta-box p {
            color: rgba(255, 255, 255, .85);
            font-size: 1.05rem;
            margin-bottom: 2rem;
        }

        .cta-box .btn-custom-white {
            background: #fff;
            color: var(--primary);
            border: none;
        }

        .cta-box .btn-custom-white:hover {
            background: #f1f5f9;
            color: var(--primary-600);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .2);
        }

        .cta-box .btn-custom-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, .6);
        }

        .cta-box .btn-custom-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .12);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0b1220;
            color: rgba(255, 255, 255, .7);
            padding: 4rem 0 2rem;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
        }

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

        .footer-top p {
            font-size: .9rem;
            margin: .6rem 0 0;
            line-height: 1.7;
            color: rgba(255, 255, 255, .55);
        }

        .footer-title {
            color: #fff;
            font-size: .95rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: .5rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: .9rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            padding-top: 1.8rem;
            text-align: center;
            font-size: .82rem;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-wrap {
                gap: 2rem;
            }
            .hero-title {
                font-size: clamp(2rem, 4vw, 2.8rem);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.2rem;
            }
        }

        @media (max-width: 768px) {
            .hero {
                padding: 3rem 0 4rem;
            }
            .hero-wrap {
                flex-direction: column;
            }
            .hero-copy {
                text-align: center;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-meta {
                justify-content: center;
            }
            .hero-visual {
                width: 100%;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .intro-media {
                order: -1;
            }
            .process-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .navbar-collapse {
                background: rgba(255, 255, 255, .98);
                border-radius: var(--radius);
                padding: .6rem 1rem 1rem;
                margin-top: .6rem;
                box-shadow: var(--shadow);
            }
            .navbar-nav .nav-link {
                display: block;
                padding: .6rem .8rem;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-subtitle {
                font-size: .95rem;
            }
            .hero-actions .btn-custom {
                width: 100%;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: .8rem;
            }
            .stat-num {
                font-size: 2rem;
            }
            .news-card {
                flex-direction: column;
                align-items: flex-start;
                gap: .6rem;
            }
            .news-card .news-date {
                font-size: .78rem;
            }
            .hero-float-card {
                left: 8px;
                bottom: 12px;
                padding: .7rem .9rem;
            }
            .hero-deco-1 {
                width: 100px;
                height: 100px;
            }
            .footer-top {
                gap: 1.5rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #16213e;
            --primary-rgb: 22, 33, 62;
            --primary-light: #2d4373;
            --accent: #c9a96a;
            --accent-rgb: 201, 169, 106;
            --accent-hover: #b8944f;
            --bg: #f6f7fb;
            --bg-deep: #eef1f7;
            --surface: #ffffff;
            --text: #16213e;
            --text-muted: #5a6a85;
            --border: #e3e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 30px rgba(22, 33, 62, 0.08);
            --shadow-hover: 0 14px 40px rgba(22, 33, 62, 0.14);
            --transition: all 0.3s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            padding-top: 74px;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-deep);
        }
        .section-title-wrap {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(201, 169, 106, 0.12);
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: rgba(22, 33, 62, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            padding: 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
        }
        .site-header .navbar {
            padding: 0;
            min-height: 74px;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: baseline;
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1;
        }
        .site-header .navbar-brand span {
            color: var(--accent);
            font-size: 22px;
            font-weight: 700;
            margin-left: 2px;
        }
        .site-header .navbar-brand:hover {
            color: #fff;
        }
        .site-header .navbar-nav {
            gap: 4px;
        }
        .site-header .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 18px;
            border-radius: 10px;
            line-height: 1.4;
            transition: var(--transition);
        }
        .site-header .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .site-header .nav-link.active {
            color: #fff;
            background: rgba(201, 169, 106, 0.18);
            font-weight: 600;
        }
        .site-header .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            padding: 9px 22px;
            border-radius: 30px;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(201, 169, 106, 0.3);
        }
        .site-header .btn-nav:hover {
            background: #d9b97c;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 169, 106, 0.4);
            color: var(--primary);
        }
        .site-header .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 10px;
            padding: 4px 10px;
            background: transparent;
        }
        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.35);
        }
        .site-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: rgba(22, 33, 62, 0.98);
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                padding: 16px 8px 20px;
                margin-top: 12px;
                border-radius: 14px;
            }
            .site-header .btn-nav {
                margin-left: 8px;
                margin-top: 10px !important;
            }
        }

        /* ===== 分类页 Hero ===== */
        .cat-hero {
            position: relative;
            padding: 110px 0 90px;
            background-color: var(--primary);
            background-image: linear-gradient(135deg, rgba(22, 33, 62, 0.94), rgba(22, 33, 62, 0.78)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }
        .cat-hero .crumb {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .cat-hero .crumb a {
            color: rgba(255, 255, 255, 0.6);
        }
        .cat-hero .crumb a:hover {
            color: var(--accent);
        }
        .cat-hero .crumb i {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.4);
        }
        .cat-hero h1 {
            font-size: 46px;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .cat-hero h1 span {
            color: var(--accent);
        }
        .cat-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .cat-hero .btn-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: 30px;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(201, 169, 106, 0.35);
            border: none;
        }
        .cat-hero .btn-hero:hover {
            background: #fff;
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
        }
        .cat-hero .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 30px;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .cat-hero .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
            color: #fff;
        }
        .cat-hero .hero-badges {
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .cat-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
            font-weight: 500;
            padding: 7px 16px;
            border-radius: 30px;
        }
        .cat-hero .hero-badge i {
            color: var(--accent);
        }

        /* ===== 快讯卡片 ===== */
        .news-card {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(201, 169, 106, 0.4);
        }
        .news-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .card-img img {
            transform: scale(1.05);
        }
        .news-card .card-img .img-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(22, 33, 62, 0.85);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }
        .news-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .news-card .card-meta i {
            color: var(--accent);
            font-size: 12px;
        }
        .news-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .news-card a:hover .card-title {
            color: var(--accent-hover);
        }
        .news-card .card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .news-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 16px;
        }
        .news-card .card-link i {
            transition: var(--transition);
            font-size: 12px;
        }
        .news-card .card-link:hover {
            color: var(--accent-hover);
        }
        .news-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 热点专题 ===== */
        .topic-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .topic-card .topic-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/8;
        }
        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .topic-card:hover .topic-img img {
            transform: scale(1.06);
        }
        .topic-card .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(22, 33, 62, 0.05) 0%, rgba(22, 33, 62, 0.45) 100%);
        }
        .topic-card .topic-content {
            padding: 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card .topic-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(201, 169, 106, 0.12);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
            align-self: flex-start;
        }
        .topic-card .topic-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .topic-card .topic-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .topic-card .topic-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 22px;
        }
        .topic-card .topic-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .topic-card .topic-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
        }
        .topic-card .topic-author span {
            font-size: 13px;
            color: var(--text-muted);
        }
        .topic-card .btn-read {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(22, 33, 62, 0.06);
            padding: 8px 18px;
            border-radius: 24px;
            transition: var(--transition);
        }
        .topic-card .btn-read:hover {
            background: var(--primary);
            color: #fff;
            transform: translateX(2px);
        }

        /* ===== 数据一览 ===== */
        .stats-section {
            background: var(--primary);
            background-image: linear-gradient(135deg, rgba(22, 33, 62, 0.92), rgba(22, 33, 62, 0.96)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 80px 0;
        }
        .stats-section .section-title {
            color: #fff;
        }
        .stats-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }
        .stat-item {
            text-align: center;
            padding: 36px 24px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            transition: var(--transition);
            height: 100%;
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .stat-item .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.5px;
        }
        .stat-item .stat-icon {
            font-size: 22px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 10px;
        }

        /* ===== 时间线 ===== */
        .timeline {
            position: relative;
            padding: 20px 0;
            max-width: 800px;
            margin: 0 auto;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent) 0%, rgba(22, 33, 62, 0.1) 100%);
            transform: translateX(-50%);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 40px;
            padding-left: calc(50% + 34px);
        }
        .timeline-item:nth-child(even) {
            padding-left: 0;
            padding-right: calc(50% + 34px);
            text-align: right;
        }
        .timeline-item .t-dot {
            position: absolute;
            left: 50%;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 4px rgba(201, 169, 106, 0.3);
            transform: translateX(-50%);
            z-index: 2;
        }
        .timeline-item .t-box {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 26px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .timeline-item .t-box:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(201, 169, 106, 0.35);
        }
        .timeline-item .t-date {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-hover);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .timeline-item .t-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .timeline-item .t-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        @media (max-width: 767.98px) {
            .timeline::before {
                left: 18px;
            }
            .timeline-item,
            .timeline-item:nth-child(even) {
                padding-left: 56px;
                padding-right: 0;
                text-align: left;
            }
            .timeline-item .t-dot {
                left: 18px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: var(--surface);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(22, 33, 62, 0.04);
        }
        .faq-section .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            padding: 20px 26px;
            background: var(--surface);
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(201, 169, 106, 0.08);
            color: var(--primary);
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.2);
        }
        .faq-section .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2316213e'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .faq-section .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23c9a96a'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .faq-section .accordion-body {
            padding: 6px 26px 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid var(--border);
            background: var(--surface);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(22, 33, 62, 0.95), rgba(45, 67, 115, 0.92)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--primary);
            font-size: 16px;
            font-weight: 700;
            padding: 15px 38px;
            border-radius: 30px;
            transition: var(--transition);
            border: none;
            box-shadow: 0 6px 24px rgba(201, 169, 106, 0.4);
        }
        .cta-section .btn-cta:hover {
            background: #fff;
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(255, 255, 255, 0.25);
        }
        .cta-section .cta-note {
            margin-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #101a2e;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
            font-size: 14px;
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-footer .footer-brand {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .site-footer .footer-brand span {
            color: var(--accent);
        }
        .site-footer .footer-top p {
            margin-top: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
        }
        .site-footer .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 12px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
            position: relative;
            padding-left: 0;
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .site-footer .footer-bottom {
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 767.98px) {
            .site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== 响应式细节 ===== */
        @media (max-width: 1024.98px) {
            .section {
                padding: 64px 0;
            }
            .cat-hero {
                padding: 90px 0 70px;
            }
            .cat-hero h1 {
                font-size: 38px;
            }
            .section-title {
                font-size: 30px;
            }
        }
        @media (max-width: 767.98px) {
            body {
                padding-top: 68px;
            }
            .site-header .navbar {
                min-height: 68px;
            }
            .cat-hero {
                padding: 70px 0 56px;
            }
            .cat-hero h1 {
                font-size: 30px;
            }
            .cat-hero p {
                font-size: 15px;
            }
            .cat-hero .btn-hero,
            .cat-hero .btn-hero-outline {
                width: 100%;
                justify-content: center;
                margin-bottom: 8px;
            }
            .section-title {
                font-size: 26px;
            }
            .stat-item .stat-num {
                font-size: 34px;
            }
            .topic-card .topic-content {
                padding: 22px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .cat-hero .hero-badges {
                flex-direction: column;
                gap: 8px;
            }
            .cat-hero .hero-badge {
                justify-content: center;
            }
        }

        /* ===== Bootstrap 自定义覆盖 ===== */
        .btn:focus,
        .btn:active:focus,
        .accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(201, 169, 106, 0.25);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 0.25rem rgba(201, 169, 106, 0.35);
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid rgba(201, 169, 106, 0.6);
            outline-offset: 3px;
        }
        .card-img img,
        .topic-img img {
            background-color: var(--bg-deep);
        }

/* roulang page: article */
:root {
            --primary: #1a4b8c;
            --primary-dark: #123364;
            --primary-light: #eaf1fa;
            --accent: #f0a500;
            --accent-light: #ffc555;
            --bg: #f3f6fb;
            --surface: #ffffff;
            --text: #16233b;
            --text-weak: #66758f;
            --border: #e2e8f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow: 0 12px 32px rgba(24, 42, 82, 0.08);
            --shadow-hover: 0 18px 40px rgba(24, 42, 82, 0.14);
            --transition: all 0.28s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        button,
        input {
            font-family: inherit;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }
        .navbar {
            padding: 0.9rem 0;
        }
        .navbar-brand {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .navbar-brand span {
            color: var(--accent);
        }
        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(26, 75, 140, 0.12);
        }
        .nav-link {
            font-weight: 600;
            color: var(--text);
            padding: 0.55rem 1.05rem !important;
            border-radius: 10px;
            font-size: 0.98rem;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .btn-nav {
            background: var(--primary);
            color: #fff;
            padding: 0.65rem 1.5rem;
            border-radius: 12px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 0.95rem;
            border: none;
            transition: var(--transition);
        }
        .btn-nav:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(26, 75, 140, 0.25);
        }

        /* 文章 Hero */
        .article-hero {
            position: relative;
            padding: 4.8rem 0 5.2rem;
            background: linear-gradient(135deg, rgba(10, 24, 50, 0.94) 0%, rgba(18, 51, 100, 0.86) 100%), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .article-hero::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 90px;
            background: linear-gradient(to top, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
            pointer-events: none;
        }
        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 2;
        }
        .article-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }
        .article-breadcrumb a:hover {
            color: #fff;
        }
        .article-breadcrumb span {
            color: rgba(255, 255, 255, 0.4);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(8px);
            padding: 0.35rem 0.95rem;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1.2rem;
            position: relative;
            z-index: 2;
        }
        .article-hero h1 {
            font-size: 2.35rem;
            font-weight: 800;
            line-height: 1.35;
            max-width: 820px;
            margin-bottom: 1.2rem;
            letter-spacing: -0.01em;
            position: relative;
            z-index: 2;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            position: relative;
            z-index: 2;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        /* 正文主体 */
        .article-main {
            position: relative;
            z-index: 5;
        }
        .article-body-wrap {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 2.5rem 3rem;
            margin-top: -2.4rem;
        }
        .article-cover {
            width: 100%;
            border-radius: var(--radius-md);
            aspect-ratio: 16 / 7;
            object-fit: cover;
            margin-bottom: 2.2rem;
        }
        .article-content {
            font-size: 1.06rem;
            line-height: 1.9;
            color: #27364f;
        }
        .article-content p {
            margin-bottom: 1.5rem;
        }
        .article-content h2 {
            font-size: 1.45rem;
            font-weight: 700;
            margin: 2.2rem 0 1rem;
            color: var(--text);
        }
        .article-content h3 {
            font-size: 1.22rem;
            font-weight: 700;
            margin: 1.8rem 0 0.75rem;
            color: var(--text);
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 1.5rem 1.25rem;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 0.4rem;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
        }
        .article-content a {
            color: var(--primary);
            font-weight: 600;
        }
        .article-content a:hover {
            color: var(--accent);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.55rem;
            margin-top: 2.2rem;
            padding-top: 1.8rem;
            border-top: 1px solid var(--border);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.4rem 0.95rem;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 999px;
            font-size: 0.84rem;
            font-weight: 600;
        }
        .badge-tag:hover {
            background: #dce8fa;
        }

        /* 信息概览 */
        .info-section {
            padding: 3.5rem 0 0.5rem;
        }
        .info-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.1rem;
        }
        .info-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.6rem 1rem;
            text-align: center;
            transition: var(--transition);
        }
        .info-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .info-card i {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 0.7rem;
            display: inline-block;
        }
        .info-card span {
            display: block;
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-bottom: 0.2rem;
        }
        .info-card strong {
            font-size: 0.98rem;
            color: var(--text);
            font-weight: 700;
        }

        /* 相关推荐 */
        .related-section {
            padding: 3.5rem 0 4rem;
        }
        .section-head {
            max-width: 560px;
            margin: 0 auto 2rem;
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            padding: 0.3rem 0.85rem;
            border-radius: 999px;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .section-head h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        .section-head p {
            color: var(--text-weak);
            font-size: 0.98rem;
        }
        .related-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card-body {
            padding: 1.4rem 1.4rem 1.2rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0.7rem 0 0.6rem;
            line-height: 1.45;
        }
        .related-card-body h3 a:hover {
            color: var(--primary);
        }
        .related-card-body p {
            font-size: 0.9rem;
            color: var(--text-weak);
            margin-bottom: 0.8rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.83rem;
            color: var(--text-weak);
        }
        .related-card-meta .read-more {
            color: var(--primary);
            font-weight: 600;
        }
        .related-card-meta .read-more:hover {
            color: var(--accent);
        }

        /* FAQ */
        .faq-section {
            padding: 3.5rem 0;
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .faq-accordion {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 1rem;
            overflow: hidden;
            box-shadow: none !important;
        }
        .faq-item .accordion-button {
            font-weight: 600;
            color: var(--text);
            padding: 1.15rem 1.4rem;
            font-size: 1rem;
            background: var(--surface);
        }
        .faq-item .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-item .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(26, 75, 140, 0.1);
        }
        .faq-item .accordion-body {
            padding: 1.2rem 1.4rem;
            color: var(--text-weak);
            line-height: 1.8;
            background: var(--surface);
        }

        /* CTA */
        .cta-section {
            padding: 4.5rem 0 5rem;
        }
        .cta-inner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 3.8rem 2rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(26, 75, 140, 0.25);
        }
        .cta-inner::before {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            top: -120px;
            right: -60px;
        }
        .cta-inner::after {
            content: "";
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            bottom: -90px;
            left: -40px;
        }
        .cta-badge {
            position: relative;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.14);
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 2;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 1.8rem;
            position: relative;
            z-index: 2;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem;
            position: relative;
            z-index: 2;
        }
        .btn-accent {
            background: var(--accent);
            color: #16233b;
            padding: 0.75rem 2rem;
            border-radius: 14px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition);
            border: none;
        }
        .btn-accent:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(240, 165, 0, 0.3);
            color: #16233b;
        }
        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            padding: 0.75rem 2rem;
            border-radius: 14px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* 内容未找到 */
        .not-found-section {
            padding: 6rem 0 2rem;
        }
        .not-found-box {
            max-width: 560px;
            margin: 0 auto;
            text-align: center;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 3.5rem 2.5rem;
            box-shadow: var(--shadow);
        }
        .not-found-box i {
            font-size: 3.5rem;
            color: var(--accent);
            margin-bottom: 1rem;
            display: inline-block;
        }
        .not-found-box h1 {
            font-size: 2rem;
            font-weight: 800;
        }
        .not-found-box p {
            color: var(--text-weak);
            margin: 0.8rem 0 1.6rem;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 0.75rem 2rem;
            border-radius: 12px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            border: none;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(26, 75, 140, 0.25);
        }
        .channel-section {
            padding: 2rem 0 5rem;
        }
        .channel-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.4rem;
            text-align: center;
            display: block;
            height: 100%;
            transition: var(--transition);
        }
        .channel-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .channel-card i {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 0.6rem;
            display: inline-block;
        }
        .channel-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
        .channel-card p {
            color: var(--text-weak);
            font-size: 0.88rem;
            margin: 0;
        }

        /* 页脚 */
        .site-footer {
            background: #0f1b30;
            color: rgba(255, 255, 255, 0.65);
            padding: 3.5rem 0 1.6rem;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
        }
        .footer-brand span {
            color: var(--accent);
        }
        .footer-top p {
            font-size: 0.92rem;
            line-height: 1.8;
            margin-top: 0.8rem;
            max-width: 300px;
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-links li {
            margin-bottom: 0.55rem;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            padding-top: 1.6rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--surface);
                border-radius: var(--radius-md);
                margin-top: 0.8rem;
                padding: 1rem;
                box-shadow: var(--shadow);
                border: 1px solid var(--border);
            }
            .btn-nav {
                width: 100%;
                justify-content: center;
            }
            .article-hero h1 {
                font-size: 2rem;
            }
            .info-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767.98px) {
            .article-hero {
                padding: 3.5rem 0 4rem;
            }
            .article-hero h1 {
                font-size: 1.7rem;
            }
            .article-body-wrap {
                padding: 1.6rem 1.2rem;
                margin-top: -1.6rem;
            }
            .article-cover {
                aspect-ratio: 16 / 9;
            }
            .info-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .cta-inner {
                padding: 2.8rem 1.2rem;
            }
            .cta-inner h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 575.98px) {
            .article-hero h1 {
                font-size: 1.5rem;
            }
            .article-meta {
                gap: 0.8rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .info-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .btn-accent,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --primary-light: #eff6ff;
            --accent: #f59e0b;
            --bg: #f6f8fb;
            --white: #ffffff;
            --text: #1e293b;
            --text-weak: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 18px 40px rgba(37, 99, 235, 0.13);
            --transition: all 0.25s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ============ 基础重置 ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        /* ============ 导航 ============ */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.04);
        }

        .navbar-brand {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
        }

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

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

        .navbar-nav .nav-link {
            font-weight: 600;
            color: var(--text-weak);
            padding: 8px 18px;
            border-radius: 999px;
            margin: 0 2px;
            font-size: 0.95rem;
            transition: var(--transition);
        }

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

        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 700;
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            padding: 10px 24px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.92rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
        }

        .btn-nav:hover {
            background: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(37, 99, 235, 0.35);
        }

        .btn-nav:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.4);
            outline-offset: 2px;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30, 41, 59, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ============ 内页 Banner ============ */
        .page-banner {
            position: relative;
            padding: 96px 0 90px;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            isolation: isolate;
            text-align: center;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.88), rgba(37, 99, 235, 0.68));
            z-index: -1;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .banner-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            padding: 8px 22px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }

        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
        }

        .banner-breadcrumb a:hover {
            color: #fff;
        }

        .banner-breadcrumb i {
            font-size: 0.7rem;
            opacity: 0.7;
        }

        .banner-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .banner-subtitle {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.8;
        }

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

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

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 54px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            padding: 7px 18px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-subtitle {
            color: var(--text-weak);
            font-size: 1rem;
            line-height: 1.8;
        }

        /* ============ 核心说明 ============ */
        .intro-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: 60px;
        }

        .intro-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .intro-media img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .intro-media:hover img {
            transform: scale(1.04);
        }

        .intro-content .section-label {
            margin-bottom: 12px;
        }

        .intro-content h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 20px;
            color: var(--text);
        }

        .intro-content p {
            color: var(--text-weak);
            margin-bottom: 16px;
            line-height: 1.85;
        }

        .intro-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 30px;
        }

        .stat-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px 12px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-item:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }

        .stat-item strong {
            display: block;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
        }

        .stat-item span {
            display: block;
            font-size: 0.82rem;
            color: var(--text-weak);
            margin-top: 4px;
        }

        /* ============ 精选玩法卡片 ============ */
        .card-stack {
            position: relative;
            z-index: 0;
        }

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

        .tip-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(37, 99, 235, 0.3);
        }

        .tip-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 190px;
        }

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

        .tip-card:hover .card-img-wrap img {
            transform: scale(1.08);
        }

        .card-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.18), transparent 45%);
            pointer-events: none;
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
        }

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

        .tip-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .tip-card p {
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.75;
            flex: 1;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            margin-top: 16px;
        }

        .card-link i {
            font-size: 0.8rem;
            transition: transform 0.25s ease;
        }

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

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

        .step-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 26px;
            position: relative;
            border-top: 4px solid var(--primary);
            transition: var(--transition);
        }

        .step-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }

        .step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 14px;
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .step-icon {
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            margin-bottom: 20px;
        }

        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .step-item p {
            color: var(--text-weak);
            font-size: 0.9rem;
            line-height: 1.75;
        }

        /* ============ 标签云 ============ */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            max-width: 860px;
            margin: 0 auto;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--white);
            border: 1px solid var(--border);
            color: var(--text-weak);
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .tag-item i {
            font-size: 0.8rem;
            color: var(--primary);
        }

        .tag-item:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
        }

        .tag-item:hover i {
            color: #fff;
        }

        /* ============ FAQ ============ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            overflow: hidden;
            margin-bottom: 16px;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
        }

        .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            background: var(--white);
            padding: 20px 26px;
            border: none;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
            border-color: rgba(37, 99, 235, 0.3);
        }

        .accordion-button::after {
            background-size: 14px;
            flex-shrink: 0;
        }

        .accordion-body {
            padding: 20px 26px;
            color: var(--text-weak);
            line-height: 1.85;
            font-size: 0.95rem;
            border-top: 1px solid var(--border);
        }

        /* ============ CTA ============ */
        .cta-box {
            background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 55%, #3b82f6 100%);
            border-radius: var(--radius-lg);
            padding: 64px 56px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(37, 99, 235, 0.25);
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-box p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 30px;
        }

        .cta-box .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            padding: 13px 32px;
            border-radius: 999px;
            font-size: 0.95rem;
            margin: 0 8px;
            transition: var(--transition);
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
        }

        .cta-box .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
            color: var(--primary-dark);
        }

        .cta-box .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            font-weight: 700;
            padding: 11px 30px;
            border-radius: 999px;
            font-size: 0.95rem;
            margin: 0 8px;
            transition: var(--transition);
        }

        .cta-box .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #0f172a;
            color: var(--text-light);
            padding-top: 70px;
        }

        .site-footer .container {
            padding-bottom: 30px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
        }

        .footer-brand span {
            color: #60a5fa;
        }

        .footer-brand:hover {
            color: #fff;
        }

        .footer-top p {
            margin-top: 14px;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.8;
        }

        .footer-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 18px;
        }

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

        .footer-links a {
            color: var(--text-light);
            font-size: 0.92rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            padding: 22px 0 28px;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-light);
            margin: 0;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--white);
                border-radius: var(--radius);
                padding: 20px;
                box-shadow: var(--shadow);
                margin-top: 14px;
                border: 1px solid var(--border);
            }

            .navbar-nav .nav-link {
                text-align: center;
            }

            .btn-nav {
                width: 100%;
                justify-content: center;
                margin: 10px 0 0;
            }

            .page-banner {
                padding: 80px 0 70px;
            }

            .banner-title {
                font-size: 2.5rem;
            }

            .intro-wrap {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .intro-media img {
                height: 300px;
            }

            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .cta-box {
                padding: 48px 30px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 64px 0;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .banner-title {
                font-size: 2rem;
            }

            .banner-subtitle {
                font-size: 1rem;
            }

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

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

            .cta-box {
                padding: 40px 22px;
            }

            .cta-box h2 {
                font-size: 1.5rem;
            }

            .cta-box .btn-cta,
            .cta-box .btn-cta-outline {
                display: flex;
                width: 100%;
                margin-bottom: 12px;
                justify-content: center;
            }

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

        @media (max-width: 575px) {
            .page-banner {
                padding: 60px 0;
            }

            .banner-title {
                font-size: 1.8rem;
            }

            .banner-breadcrumb {
                font-size: 0.78rem;
                padding: 6px 16px;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .tip-card .card-img-wrap {
                height: 160px;
            }

            .tag-cloud {
                gap: 10px;
            }

            .tag-item {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
    :root {
        --primary: #1a2a4f;
        --primary-dark: #0f1b36;
        --accent: #d4a843;
        --accent-light: #e8c877;
        --surface: #ffffff;
        --bg-light: #f6f7fb;
        --bg-dark: #0f1b36;
        --text-main: #1e293b;
        --text-weak: #64748b;
        --text-invert: #f8fafc;
        --border: #e2e8f0;
        --radius: 14px;
        --radius-sm: 8px;
        --shadow: 0 4px 24px rgba(15, 27, 54, 0.08);
        --shadow-lg: 0 12px 40px rgba(15, 27, 54, 0.14);
        --transition: all 0.3s ease;
    }

    /* ===== Reset & Base ===== */
    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
        background: var(--bg-light);
        color: var(--text-main);
        line-height: 1.7;
        font-size: 15px;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: var(--accent);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--radius);
    }
    button,
    input,
    select {
        font-family: inherit;
    }
    .container {
        max-width: 1200px;
        padding-left: 20px;
        padding-right: 20px;
    }

    /* ===== 导航栏 ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1030;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 2px 20px rgba(15, 27, 54, 0.06);
    }
    .site-header .navbar {
        padding: 12px 0;
    }
    .navbar-brand {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--primary) !important;
        letter-spacing: -0.5px;
    }
    .navbar-brand span {
        color: var(--accent);
    }
    .navbar-nav .nav-link {
        font-weight: 500;
        color: var(--text-main);
        padding: 8px 16px !important;
        border-radius: 8px;
        position: relative;
    }
    .navbar-nav .nav-link:hover {
        color: var(--primary);
        background: rgba(26, 42, 79, 0.05);
    }
    .navbar-nav .nav-link.active {
        color: var(--primary);
        font-weight: 600;
    }
    .navbar-nav .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 16px;
        right: 16px;
        height: 3px;
        background: var(--accent);
        border-radius: 2px;
    }
    .btn-nav {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        padding: 10px 22px;
        border-radius: 50px;
        font-weight: 600;
        font-size: 14px;
        border: none;
        transition: var(--transition);
        box-shadow: 0 4px 14px rgba(26, 42, 79, 0.2);
    }
    .btn-nav:hover {
        background: var(--accent);
        color: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(212, 168, 67, 0.35);
    }
    .navbar-toggler {
        border: none;
        padding: 6px;
    }
    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(26, 42, 79, 0.1);
    }
    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba%2826,42,79,0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E") !important;
    }

    /* ===== 页面 Banner ===== */
    .page-banner {
        position: relative;
        padding: 90px 0 70px;
        background: linear-gradient(135deg, rgba(15, 27, 54, 0.92), rgba(26, 42, 79, 0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        color: #fff;
        text-align: center;
    }
    .page-banner .banner-inner {
        max-width: 720px;
        margin: 0 auto;
    }
    .page-banner .banner-badge {
        display: inline-block;
        background: rgba(212, 168, 67, 0.18);
        color: var(--accent);
        padding: 6px 18px;
        border-radius: 50px;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 1px;
        margin-bottom: 20px;
        border: 1px solid rgba(212, 168, 67, 0.3);
    }
    .page-banner h1 {
        font-size: 2.6rem;
        font-weight: 800;
        margin-bottom: 16px;
        letter-spacing: -0.5px;
        line-height: 1.3;
    }
    .page-banner p {
        font-size: 1.05rem;
        color: rgba(248, 250, 252, 0.85);
        margin-bottom: 24px;
        line-height: 1.8;
    }
    .banner-tags {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    .banner-tags .tag {
        background: rgba(255, 255, 255, 0.1);
        color: #e2e8f0;
        padding: 5px 14px;
        border-radius: 30px;
        font-size: 13px;
        border: 1px solid rgba(255, 255, 255, 0.12);
    }

    /* ===== 通用板块 ===== */
    .section {
        padding: 72px 0;
    }
    .section-alt {
        background: var(--surface);
    }
    .section-head {
        text-align: center;
        max-width: 640px;
        margin: 0 auto 44px;
    }
    .section-tag {
        display: inline-block;
        background: rgba(212, 168, 67, 0.12);
        color: #b8912e;
        font-size: 13px;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 30px;
        margin-bottom: 12px;
        letter-spacing: 1px;
    }
    .section-head h2 {
        font-size: 2rem;
        font-weight: 800;
        color: var(--primary);
        margin-bottom: 12px;
    }
    .section-head p {
        color: var(--text-weak);
        font-size: 15px;
        line-height: 1.7;
    }

    /* ===== 数据统计 ===== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .stat-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 28px 20px;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }
    .stat-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(212, 168, 67, 0.4);
    }
    .stat-card .num {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--primary);
        margin-bottom: 4px;
    }
    .stat-card .num span {
        color: var(--accent);
    }
    .stat-card .label {
        color: var(--text-weak);
        font-size: 14px;
    }

    /* ===== 趋势卡片 ===== */
    .trend-cards {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    .trend-card {
        background: var(--surface);
        border-radius: var(--radius);
        overflow: hidden;
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        transition: var(--transition);
    }
    .trend-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
    }
    .trend-card .cover {
        height: 180px;
        overflow: hidden;
        position: relative;
    }
    .trend-card .cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .trend-card:hover .cover img {
        transform: scale(1.05);
    }
    .trend-card .card-body {
        padding: 22px;
    }
    .trend-card .card-tag {
        display: inline-block;
        background: rgba(26, 42, 79, 0.08);
        color: var(--primary);
        font-size: 12px;
        font-weight: 600;
        padding: 3px 10px;
        border-radius: 4px;
        margin-bottom: 12px;
    }
    .trend-card h3 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
        line-height: 1.5;
    }
    .trend-card p {
        color: var(--text-weak);
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 16px;
    }
    .trend-card .card-more {
        font-size: 14px;
        font-weight: 600;
        color: var(--accent);
    }
    .trend-card .card-more i {
        transition: transform 0.3s;
    }
    .trend-card .card-more:hover i {
        transform: translateX(4px);
    }

    /* ===== 洞察文章 ===== */
    .insight-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .insight-item {
        display: flex;
        align-items: center;
        gap: 20px;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 18px 22px;
        transition: var(--transition);
    }
    .insight-item:hover {
        border-color: rgba(212, 168, 67, 0.35);
        box-shadow: var(--shadow);
        transform: translateX(4px);
    }
    .insight-item .index {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--border);
        width: 50px;
        text-align: center;
        flex-shrink: 0;
    }
    .insight-item .content {
        flex: 1;
    }
    .insight-item .content h3 {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 4px;
        color: var(--text-main);
    }
    .insight-item .content .meta {
        font-size: 13px;
        color: var(--text-weak);
    }
    .insight-item .arrow {
        color: var(--accent);
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    /* ===== 观点卡片 ===== */
    .view-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 28px;
        height: 100%;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }
    .view-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(212, 168, 67, 0.3);
    }
    .view-card .icon-wrap {
        width: 48px;
        height: 48px;
        border-radius: 10px;
        background: rgba(26, 42, 79, 0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        color: var(--accent);
        margin-bottom: 16px;
    }
    .view-card h3 {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 10px;
        color: var(--text-main);
    }
    .view-card p {
        font-size: 14px;
        color: var(--text-weak);
        line-height: 1.7;
        margin-bottom: 14px;
    }
    .view-card .tags {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }
    .view-card .tags span {
        background: var(--bg-light);
        color: var(--text-weak);
        font-size: 12px;
        padding: 3px 10px;
        border-radius: 20px;
        border: 1px solid var(--border);
    }

    /* ===== FAQ ===== */
    .faq-wrap {
        max-width: 800px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 24px 28px;
        margin-bottom: 14px;
        transition: var(--transition);
    }
    .faq-item:hover {
        border-color: rgba(212, 168, 67, 0.3);
        box-shadow: var(--shadow);
    }
    .faq-item h3 {
        font-size: 1rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .faq-item h3::before {
        content: 'Q';
        font-size: 13px;
        font-weight: 800;
        background: var(--primary);
        color: #fff;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }
    .faq-item .faq-a {
        color: var(--text-weak);
        font-size: 14px;
        line-height: 1.8;
        padding-left: 36px;
        position: relative;
    }
    .faq-item .faq-a::before {
        content: 'A';
        position: absolute;
        left: 0;
        font-size: 13px;
        font-weight: 800;
        background: var(--accent);
        color: #fff;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* ===== CTA ===== */
    .cta-wrap {
        background: linear-gradient(135deg, var(--primary-dark), var(--primary));
        border-radius: 20px;
        padding: 56px 48px;
        text-align: center;
        color: #fff;
        position: relative;
        overflow: hidden;
    }
    .cta-wrap::before {
        content: '';
        position: absolute;
        top: -60px;
        right: -60px;
        width: 200px;
        height: 200px;
        border-radius: 50%;
        background: rgba(212, 168, 67, 0.15);
    }
    .cta-wrap::after {
        content: '';
        position: absolute;
        bottom: -80px;
        left: -40px;
        width: 160px;
        height: 160px;
        border-radius: 50%;
        background: rgba(212, 168, 67, 0.1);
    }
    .cta-wrap h2 {
        font-size: 1.8rem;
        font-weight: 800;
        margin-bottom: 12px;
    }
    .cta-wrap p {
        color: rgba(248, 250, 252, 0.85);
        margin-bottom: 28px;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    .btn-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--accent);
        color: var(--primary-dark);
        padding: 12px 32px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 15px;
        border: none;
        transition: var(--transition);
        box-shadow: 0 4px 20px rgba(212, 168, 67, 0.35);
    }
    .btn-cta:hover {
        background: var(--accent-light);
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(212, 168, 67, 0.45);
        color: var(--primary-dark);
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--bg-dark);
        color: #94a3b8;
        padding: 60px 0 30px;
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 36px;
    }
    .footer-brand {
        font-size: 1.5rem;
        font-weight: 800;
        color: #fff !important;
        display: inline-block;
        margin-bottom: 12px;
    }
    .footer-brand span {
        color: var(--accent);
    }
    .footer-top p {
        font-size: 14px;
        line-height: 1.8;
        color: #94a3b8;
    }
    .footer-title {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px;
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-links a {
        color: #94a3b8;
        font-size: 14px;
        transition: var(--transition);
    }
    .footer-links a:hover {
        color: var(--accent);
        padding-left: 6px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(148, 163, 184, 0.15);
        padding-top: 24px;
        text-align: center;
        font-size: 13px;
        color: rgba(148, 163, 184, 0.8);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .trend-cards {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-top {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        .page-banner {
            padding: 60px 0 50px;
        }
        .page-banner h1 {
            font-size: 1.8rem;
        }
        .section {
            padding: 50px 0;
        }
        .section-head h2 {
            font-size: 1.5rem;
        }
        .navbar-collapse {
            background: #fff;
            padding: 16px;
            border-radius: 12px;
            margin-top: 10px;
            box-shadow: var(--shadow);
        }
        .trend-cards {
            grid-template-columns: 1fr;
        }
        .footer-top {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .insight-item {
            flex-direction: row;
            gap: 14px;
            padding: 14px 16px;
        }
        .insight-item .index {
            font-size: 1.4rem;
            width: 36px;
        }
        .cta-wrap {
            padding: 36px 24px;
        }
        .cta-wrap h2 {
            font-size: 1.4rem;
        }
    }

    @media (max-width: 520px) {
        .stats-grid {
            grid-template-columns: 1fr;
        }
        .banner-tags {
            flex-direction: column;
            align-items: center;
        }
        .page-banner h1 {
            font-size: 1.5rem;
        }
    }