/* roulang page: index */
:root {
            --primary: #23282B;
            --primary-hover: #1A1E21;
            --accent: #E08A2E;
            --accent-hover: #C9751F;
            --success: #3F8A62;
            --danger: #C74B3D;
            --bg: #F2F0EB;
            --surface: #FFFFFF;
            --border: #D9D5CE;
            --text: #1E2124;
            --text-muted: #6B6F76;
            --text-on-dark: #F2F0EB;
            --radius-sm: 4px;
            --radius-md: 8px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --transition: 0.22s ease;
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.9;
            font-weight: 400;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        input {
            font-family: inherit;
            border-radius: var(--radius-sm);
            outline: none;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
        }

        h1 {
            font-size: 38px;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h2 {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.005em;
        }

        h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.5;
        }

        p {
            margin-bottom: 12px;
        }

        ul, ol {
            padding-left: 20px;
            margin-bottom: 12px;
        }

        li {
            margin-bottom: 6px;
        }

        /* 容器 */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 头部导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
        }

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

        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo .logo-accent {
            color: var(--accent);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .nav-desktop li {
            margin: 0;
            padding: 0;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }

        .nav-desktop a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 8px;
            border: none;
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: all var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            z-index: 999;
            padding: 16px 20px;
        }

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

        .mobile-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav li {
            margin: 0;
        }

        .mobile-nav a {
            display: block;
            padding: 10px 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: var(--bg);
            color: var(--accent);
        }

        /* 主体 */
        main {
            padding-top: var(--header-height);
            min-height: 60vh;
        }

        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-gray {
            background: #EAE7E0;
        }

        .section-dark {
            background: var(--primary);
            color: var(--text-on-dark);
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: var(--text-on-dark);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(224, 138, 46, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .section-header h2 {
            font-size: 26px;
            margin-bottom: 8px;
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
        }

        .section-header.light h2,
        .section-header.light .section-desc {
            color: #FFFFFF;
        }
        .section-header.light .section-tag {
            background: rgba(224, 138, 46, 0.2);
            color: #F0B86C;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.2;
            white-space: nowrap;
        }

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

        .btn-primary {
            background: var(--accent);
            color: #1E2124;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #1E2124;
            transform: translateY(2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #FFFFFF;
            transform: translateY(2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-light {
            background: #FFFFFF;
            color: var(--primary);
            border: 1.5px solid transparent;
        }

        .btn-light:hover {
            background: var(--bg);
            transform: translateY(2px);
            box-shadow: var(--shadow-sm);
        }

        /* 顶部公告条 */
        .announce-bar {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 10px 0;
            overflow: hidden;
            position: relative;
        }

        .announce-bar-inner {
            display: flex;
            align-items: center;
            gap: 12px;
            overflow: hidden;
            white-space: nowrap;
        }

        .announce-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            background: var(--danger);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: #FFFFFF;
            font-weight: 700;
        }

        .announce-text {
            display: inline-block;
            animation: scrollText 28s linear infinite;
            font-size: 13px;
            color: var(--text-on-dark);
            letter-spacing: 0.02em;
        }

        @keyframes scrollText {
            0% { transform: translateX(100%); }
            100% { transform: translateX(-100%); }
        }

        /* Hero */
        .hero {
            background: var(--bg);
            padding: 64px 0 72px;
            position: relative;
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content .hero-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--success);
            background: rgba(63, 138, 98, 0.1);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .hero-content h1 {
            font-size: 38px;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .hero-content .hero-sub {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 480px;
            margin-bottom: 28px;
        }

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

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

        .hero-visual img {
            width: 100%;
            max-width: 480px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .hero-visual .visual-badge {
            position: absolute;
            bottom: 20px;
            right: 20px;
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        /* 卡片通用 */
        .card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }

        .card:hover {
            border-color: var(--primary);
            transform: translateY(2px);
            box-shadow: var(--shadow-md);
        }

        /* 下载渠道三卡 */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .channel-card {
            padding: 24px;
            border-radius: var(--radius-md);
            background: var(--surface);
            border: 1.5px solid var(--border);
            transition: all var(--transition);
        }

        .channel-card:hover {
            transform: translateY(2px);
            box-shadow: var(--shadow-md);
        }

        .channel-card.safe {
            border-top: 3px solid var(--success);
        }
        .channel-card.medium {
            border-top: 3px solid var(--accent);
        }
        .channel-card.risky {
            border-top: 3px solid var(--danger);
        }

        .channel-card .channel-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .channel-card.safe .channel-label {
            background: rgba(63, 138, 98, 0.12);
            color: var(--success);
        }
        .channel-card.medium .channel-label {
            background: rgba(224, 138, 46, 0.12);
            color: var(--accent-hover);
        }
        .channel-card.risky .channel-label {
            background: rgba(199, 75, 61, 0.12);
            color: var(--danger);
        }

        .channel-card h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .channel-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* 快速入口 */
        .quick-entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .quick-entry-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all var(--transition);
            text-decoration: none;
            color: var(--text);
        }

        .quick-entry-card:hover {
            border-color: var(--accent);
            transform: translateY(2px);
            box-shadow: var(--shadow-md);
            color: var(--text);
        }

        .quick-entry-card .entry-info h3 {
            font-size: 17px;
            margin-bottom: 4px;
        }

        .quick-entry-card .entry-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .quick-entry-card .entry-arrow {
            font-size: 22px;
            color: var(--accent);
            font-weight: 700;
            flex-shrink: 0;
            margin-left: 16px;
        }

        /* 资讯列表 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .news-card {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            background: var(--bg);
            color: var(--text-muted);
        }

        .badge-accent {
            background: rgba(224, 138, 46, 0.12);
            color: var(--accent-hover);
        }
        .badge-success {
            background: rgba(63, 138, 98, 0.12);
            color: var(--success);
        }
        .badge-danger {
            background: rgba(199, 75, 61, 0.12);
            color: var(--danger);
        }

        .news-card h3 {
            font-size: 16px;
            line-height: 1.5;
        }

        .news-card .news-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 0;
        }

        .news-card .news-time {
            font-size: 12px;
            color: var(--text-muted);
        }

        .news-card .news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-card .news-link:hover {
            color: var(--accent-hover);
        }

        .news-empty {
            grid-column: 1 / -1;
            border: 2px dashed var(--border);
            border-radius: var(--radius-md);
            padding: 48px 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: transparent;
        }

        .news-empty .empty-icon {
            font-size: 36px;
            margin-bottom: 12px;
            color: var(--border);
        }
        .news-empty h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--text);
        }
        .news-empty p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* 流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .steps-grid::before {
            content: "";
            position: absolute;
            top: 28px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }

        .step-item {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 10px;
        }

        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-on-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            border: 3px solid var(--bg);
            box-shadow: var(--shadow-sm);
        }

        .step-item h3 {
            font-size: 16px;
            margin-bottom: 0;
        }
        .step-item p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* 核心场景卡 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-height: 200px;
        }

        .scene-card.large {
            grid-column: span 2;
            grid-row: span 1;
            min-height: 220px;
        }

        .scene-card .scene-icon {
            font-size: 28px;
            line-height: 1;
        }
        .scene-card h3 {
            font-size: 17px;
            line-height: 1.5;
        }
        .scene-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            flex-grow: 1;
        }
        .scene-card .scene-tag {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }
        .scene-card .scene-tag.green { color: var(--success); }
        .scene-card .scene-tag.orange { color: var(--accent-hover); }
        .scene-card .scene-tag.red { color: var(--danger); }
        .scene-card .scene-tag.blue { color: var(--primary); }

        /* 安全权限区块 */
        .security-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .security-illustration img {
            width: 100%;
            max-width: 500px;
            margin: 0 auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .security-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .security-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            line-height: 1.7;
            margin: 0;
            padding: 14px 16px;
            background: var(--surface);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--success);
        }

        .security-list li.warning {
            border-left-color: var(--danger);
        }
        .security-list li.medium {
            border-left-color: var(--accent);
        }

        .security-list .list-icon {
            flex-shrink: 0;
            margin-top: 2px;
            font-size: 16px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item.active {
            border-left: 3px solid var(--accent);
            background: var(--bg);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text);
            line-height: 1.5;
        }

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            transition: transform var(--transition);
        }

        .faq-item.active .faq-question .faq-toggle {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* 时间线 */
        .timeline {
            position: relative;
            max-width: 680px;
            margin: 0 auto;
            padding-left: 32px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }

        .timeline-item {
            position: relative;
            padding-bottom: 28px;
            padding-left: 20px;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid var(--surface);
            box-shadow: 0 0 0 2px var(--accent);
            z-index: 1;
        }

        .timeline-item .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-hover);
            margin-bottom: 4px;
        }

        .timeline-item h3 {
            font-size: 16px;
            margin-bottom: 4px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* 审核流程 */
        .audit-flow {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .audit-node {
            text-align: center;
            padding: 20px 14px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }

        .audit-node:hover {
            border-color: var(--accent);
            transform: translateY(2px);
        }

        .audit-node .node-num {
            width: 36px;
            height: 36px;
            margin: 0 auto 10px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-on-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
        }

        .audit-node h3 {
            font-size: 15px;
            margin-bottom: 4px;
        }
        .audit-node p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* 职业培训两张卡 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .training-card {
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .training-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: 0;
        }

        .training-card .training-body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex-grow: 1;
        }

        .training-card h3 {
            font-size: 17px;
        }

        .training-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            flex-grow: 1;
        }

        .training-card .training-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
        }

        .training-card .training-link:hover {
            color: var(--accent-hover);
        }

        /* 合规提示 */
        .compliance-box {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-left: 4px solid var(--success);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            max-width: 820px;
            margin: 0 auto;
        }

        .compliance-box h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--success);
        }
        .compliance-box p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 8px;
        }
        .compliance-box p:last-child {
            margin-bottom: 0;
        }

        /* CTA 块 */
        .cta-block {
            padding: 64px 0;
            position: relative;
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 40px;
            align-items: center;
        }

        .cta-text h2 {
            font-size: 28px;
            margin-bottom: 12px;
            color: var(--text-on-dark);
        }

        .cta-text p {
            font-size: 16px;
            color: rgba(242, 240, 235, 0.8);
            margin-bottom: 0;
            line-height: 1.8;
            max-width: 560px;
        }

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

        .cta-qr {
            display: flex;
            align-items: center;
            gap: 20px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .cta-qr img {
            width: 90px;
            height: 90px;
            border-radius: var(--radius-sm);
            object-fit: cover;
        }

        .cta-qr .qr-text {
            font-size: 13px;
            color: var(--text-on-dark);
            line-height: 1.7;
            max-width: 180px;
        }

        /* 表单 */
        .form-box {
            max-width: 520px;
            margin: 0 auto;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 36px;
            box-shadow: var(--shadow-sm);
        }

        .form-box h3 {
            font-size: 20px;
            margin-bottom: 8px;
            text-align: center;
        }
        .form-box .form-desc {
            font-size: 14px;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 16px;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 600;
        }

        .form-group input {
            height: 44px;
            padding: 0 14px;
            font-size: 15px;
            border: 1px solid var(--border);
            background: #FFFFFF;
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-group input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(224, 138, 46, 0.15);
        }

        .form-submit {
            width: 100%;
            height: 44px;
            background: var(--accent);
            color: #1E2124;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            margin-top: 4px;
        }

        .form-submit:hover {
            background: var(--accent-hover);
            transform: translateY(2px);
            box-shadow: var(--shadow-sm);
        }

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

        /* 页面脚部 */
        .site-footer {
            background: var(--primary);
            color: rgba(242, 240, 235, 0.75);
            padding: 56px 0 24px;
            margin-top: 0;
        }

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

        .footer-brand h3 {
            font-size: 18px;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .footer-brand h3 .footer-logo-accent {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(242, 240, 235, 0.65);
            margin-bottom: 0;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col li {
            margin: 0;
        }

        .footer-col a {
            font-size: 14px;
            color: rgba(242, 240, 235, 0.65);
            transition: color var(--transition);
            line-height: 1.7;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(242, 240, 235, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(242, 240, 235, 0.5);
        }

        .footer-bottom .copyright {
            line-height: 1.7;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual img {
                max-width: 100%;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .steps-grid::before {
                display: none;
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-card.large {
                grid-column: span 2;
            }
            .security-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .audit-flow {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            h1 {
                font-size: 32px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .channel-grid {
                grid-template-columns: 1fr;
            }
            .quick-entry-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .scene-card.large {
                grid-column: span 1;
            }
            .training-grid {
                grid-template-columns: 1fr;
            }
            .audit-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-content .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .cta-qr {
                flex-direction: column;
                text-align: center;
            }
            .form-box {
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            h1 { font-size: 28px; }
            h2 { font-size: 22px; }
            .section-header h2 { font-size: 22px; }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .channel-grid,
            .quick-entry-grid,
            .news-grid,
            .scene-grid,
            .training-grid,
            .steps-grid,
            .audit-flow {
                grid-template-columns: 1fr;
            }
            .scene-card.large {
                grid-column: span 1;
            }
            .steps-grid {
                gap: 20px;
            }
            .hero {
                padding: 40px 0 48px;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .announce-text {
                font-size: 12px;
                animation-duration: 22s;
            }
            .btn {
                height: 48px;
                padding: 0 18px;
                font-size: 14px;
            }
            .section-header .section-desc {
                font-size: 14px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 13px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: article */
:root {
            --primary: #23282B;
            --primary-hover: #1A1E21;
            --accent: #E08A2E;
            --accent-hover: #C9751F;
            --success: #3F8A62;
            --danger: #C74B3D;
            --bg: #F2F0EB;
            --surface: #FFFFFF;
            --border: #D9D5CE;
            --text: #1E2124;
            --text-muted: #6B6F76;
            --text-on-dark: #F2F0EB;
            --radius-sm: 4px;
            --radius-md: 8px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --transition: 0.22s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.9;
            font-weight: 400;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--text);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        input {
            font-family: inherit;
            border-radius: var(--radius-sm);
            outline: none;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo .logo-accent {
            color: var(--accent);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-desktop li {
            margin: 0;
            padding: 0;
        }
        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }
        .nav-desktop a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
        .nav-desktop a.active {
            color: var(--accent);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 8px;
            border: none;
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: all var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            z-index: 999;
            padding: 16px 20px;
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav li {
            margin: 0;
        }
        .mobile-nav a {
            display: block;
            padding: 10px 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: var(--bg);
            color: var(--accent);
        }
        main {
            padding-top: var(--header-height);
            min-height: 60vh;
        }
        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }
        .section-alt {
            background: #FFFFFF;
        }
        .section-gray {
            background: #EAE7E0;
        }
        .section-dark {
            background: var(--primary);
            color: var(--text-on-dark);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: var(--text-on-dark);
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text);
        }
        .section-header p {
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            text-decoration: none;
            gap: 8px;
        }
        .btn:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(224, 138, 46, 0.35);
        }
        .btn-primary {
            background: var(--accent);
            color: #1E2124;
            border: none;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: #1E2124;
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--text-on-dark);
            transform: translateY(-2px);
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 20px;
            background: #E8E5DF;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .badge-accent {
            background: rgba(224, 138, 46, 0.12);
            color: var(--accent);
        }
        .card {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--surface);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            transition: all var(--transition);
        }
        .card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 16px 0;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent);
        }
        .breadcrumb-sep {
            color: var(--border);
        }
        .breadcrumb-current {
            color: var(--text);
            font-weight: 500;
        }
        .article-head {
            padding: 40px 0 24px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 40px;
        }
        .article-head h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--text);
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 16px;
            color: var(--text-muted);
            font-size: 14px;
        }
        .article-meta time {
            white-space: nowrap;
        }
        .article-meta .badge {
            color: var(--accent);
            background: rgba(224, 138, 46, 0.1);
        }
        .article-summary {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 800px;
        }
        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 19px;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            line-height: 1.5;
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 24px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 10px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            background: #F7F5F0;
            margin: 32px 0;
            color: var(--text-muted);
        }
        .article-figure {
            margin: 32px 0;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #FAF9F6;
        }
        .article-figure img {
            width: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .article-figure figcaption {
            padding: 12px 16px;
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
            border-top: 1px solid var(--border);
        }
        .compliance-note {
            background: #F7F5F0;
            border-left: 4px solid var(--success);
            padding: 18px 24px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-top: 40px;
        }
        .related-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .content-card {
            display: block;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-decoration: none;
            color: var(--text);
        }
        .content-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            color: var(--text);
        }
        .content-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .content-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .empty-state {
            border: 2px dashed var(--border);
            border-radius: var(--radius-md);
            padding: 48px 24px;
            text-align: center;
            color: var(--text-muted);
        }
        .empty-state h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--text);
        }
        .back-entry {
            text-align: center;
            padding: 20px 0;
        }
        .back-entry .btn {
            min-width: 180px;
        }
        .subscribe-section {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 64px 0;
        }
        .subscribe-section h2 {
            color: var(--text-on-dark);
            font-size: 28px;
            margin-bottom: 16px;
        }
        .subscribe-section p {
            color: rgba(242, 240, 235, 0.8);
            margin-bottom: 32px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
        }
        .subscribe-form input {
            flex: 1;
            height: 48px;
            padding: 0 16px;
            border: 1px solid rgba(242, 240, 235, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-on-dark);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input::placeholder {
            color: rgba(242, 240, 235, 0.5);
        }
        .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(224, 138, 46, 0.3);
        }
        .subscribe-form .btn-primary {
            height: 48px;
            white-space: nowrap;
        }
        .site-footer {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .footer-brand .footer-logo-accent {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        @media (max-width: 1024px) {
            .related-cards {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-desktop {
                display: none;
            }
            .mobile-nav {
                display: block;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease;
                padding: 0 20px;
            }
            .mobile-nav.open {
                max-height: 400px;
                padding: 16px 20px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .article-head h1 {
                font-size: 28px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form .btn-primary {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-head h1 {
                font-size: 24px;
            }
            .article-meta {
                gap: 8px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .back-entry .btn {
                width: auto;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #23282B;
            --primary-hover: #1A1E21;
            --accent: #E08A2E;
            --accent-hover: #C9751F;
            --success: #3F8A62;
            --danger: #C74B3D;
            --bg: #F2F0EB;
            --surface: #FFFFFF;
            --border: #D9D5CE;
            --text: #1E2124;
            --text-muted: #6B6F76;
            --text-on-dark: #F2F0EB;
            --radius-sm: 4px;
            --radius-md: 8px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --transition: 0.22s ease;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.9;
            font-weight: 400;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        input {
            font-family: inherit;
            border-radius: var(--radius-sm);
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 头部导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
        }

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

        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo .logo-accent {
            color: var(--accent);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .nav-desktop li {
            margin: 0;
            padding: 0;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }

        .nav-desktop a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 8px;
            border: none;
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: all var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            z-index: 999;
            padding: 16px 20px;
        }

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

        .mobile-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav li {
            margin: 0;
        }

        .mobile-nav a {
            display: block;
            padding: 10px 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: var(--bg);
            color: var(--accent);
        }

        /* 主体 */
        main {
            padding-top: var(--header-height);
            min-height: 60vh;
        }

        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-gray {
            background: #EAE7E0;
        }

        .section-dark {
            background: var(--primary);
            color: var(--text-on-dark);
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: var(--text-on-dark);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text);
        }

        h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text);
        }

        h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
            color: var(--text);
        }

        p {
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* 面包屑 */
        .breadcrumb-nav {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
        }

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

        .breadcrumb-nav .separator {
            color: var(--border);
        }

        /* 页面头 */
        .page-head-section {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }

        .page-head-section h1 {
            color: var(--primary);
        }

        .page-head-section .lead {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 760px;
        }

        /* 两列布局 */
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .two-col .col-title {
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 12px;
        }

        .two-col ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }

        .two-col ul li {
            padding-left: 24px;
            position: relative;
            margin-bottom: 10px;
            color: var(--text);
        }

        .two-col ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }

        /* 图片占位样式 */
        .img-holder {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: var(--shadow-sm);
        }

        .img-holder img {
            border-radius: var(--radius-sm);
        }

        /* 空态 */
        .empty-state {
            border: 2px dashed var(--border);
            border-radius: var(--radius-md);
            padding: 48px 20px;
            text-align: center;
            background: var(--surface);
        }

        .empty-icon {
            font-size: 40px;
            display: block;
            margin-bottom: 12px;
        }

        .empty-state h3 {
            margin-bottom: 6px;
        }

        .empty-state p {
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* 信息列表（CMS动态列表） */
        .info-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .info-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .info-item:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .info-item-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .category-badge {
            display: inline-block;
            background: #F0EEE9;
            color: var(--text);
            font-size: 13px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }

        .info-item time {
            font-size: 13px;
            color: var(--text-muted);
        }

        .info-item h3 {
            margin-bottom: 6px;
        }

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

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

        .info-item p {
            color: var(--text-muted);
            margin-bottom: 0;
            font-size: 15px;
        }

        /* 权限卡片 */
        .permission-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .permission-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .permission-card:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .permission-card .card-icon {
            font-size: 28px;
            margin-bottom: 12px;
            color: var(--accent);
        }

        .permission-card h3 {
            margin-bottom: 8px;
        }

        .permission-card p {
            font-size: 15px;
            margin-bottom: 0;
        }

        /* 版本差异表格 */
        .version-table {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .version-table table {
            width: 100%;
            border-collapse: collapse;
        }

        .version-table th,
        .version-table td {
            padding: 14px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }

        .version-table th {
            background: #F7F5F1;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }

        .version-table tr:last-child td {
            border-bottom: none;
        }

        .version-table td {
            color: var(--text);
            font-size: 15px;
        }

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

        .faq-item {
            background: var(--surface);
            border-left: 3px solid transparent;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item.active {
            border-left-color: var(--accent);
            background: #FDFBF7;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
        }

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

        .faq-icon {
            flex-shrink: 0;
            font-size: 20px;
            color: var(--accent);
            transition: transform 0.2s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

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

        .faq-answer-inner {
            padding: 0 20px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* 底部 CTA */
        .cta-section {
            text-align: center;
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: var(--text-on-dark);
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: var(--text-on-dark);
            margin-bottom: 24px;
        }

        .btn {
            display: inline-block;
            padding: 0 24px;
            height: 44px;
            line-height: 44px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            margin: 0 6px;
            text-align: center;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--text);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--text-on-dark);
            border: 1px solid var(--text-on-dark);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-on-dark);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            color: var(--text-on-dark);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-brand .footer-logo-accent {
            color: var(--accent);
        }

        .footer-brand p {
            color: var(--text-on-dark);
            font-size: 14px;
            line-height: 1.7;
            opacity: 0.8;
        }

        .footer-col h4 {
            color: var(--text-on-dark);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-col ul li a {
            color: var(--text-on-dark);
            opacity: 0.7;
            font-size: 14px;
            transition: all var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
            opacity: 1;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 13px;
            flex-wrap: wrap;
            opacity: 0.7;
        }

        .footer-bottom span {
            color: var(--text-on-dark);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .two-col,
            .permission-cards {
                grid-template-columns: 1fr 1fr;
            }

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

        @media (max-width: 768px) {
            :root {
                --section-gap: var(--section-gap-mobile);
            }

            .nav-desktop {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-nav {
                display: none;
            }

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

            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 22px;
            }

            .two-col,
            .permission-cards,
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .version-table {
                overflow-x: auto;
            }

            .btn {
                display: block;
                width: 100%;
                margin: 8px 0;
            }

            .cta-inner .btn {
                width: auto;
                margin: 8px 6px;
            }
        }

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

            h1 {
                font-size: 26px;
            }

            h2 {
                font-size: 20px;
            }

            .section-header {
                margin-bottom: 24px;
            }

            .info-item {
                padding: 16px;
            }

            .permission-card {
                padding: 18px;
            }

            .btn {
                width: 100%;
                margin: 8px 0;
            }

            .cta-inner .btn {
                width: 100%;
                margin: 8px 0;
            }

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

        /* 焦点可见性 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* Bootstrap 覆盖 */
        .btn:focus {
            box-shadow: none;
        }

/* roulang page: category2 */
:root {
            --primary: #23282B;
            --primary-hover: #1A1E21;
            --accent: #E08A2E;
            --accent-hover: #C9751F;
            --success: #3F8A62;
            --danger: #C74B3D;
            --bg: #F2F0EB;
            --surface: #FFFFFF;
            --border: #D9D5CE;
            --text: #1E2124;
            --text-muted: #6B6F76;
            --text-on-dark: #F2F0EB;
            --radius-sm: 4px;
            --radius-md: 8px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --transition: 0.22s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.9;
            font-weight: 400;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--text);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        input {
            font-family: inherit;
            border-radius: var(--radius-sm);
            outline: none;
            box-sizing: border-box;
        }
        * {
            box-sizing: border-box;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo .logo-accent {
            color: var(--accent);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-desktop li {
            margin: 0;
            padding: 0;
        }
        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }
        .nav-desktop a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
        .nav-desktop a.active {
            color: var(--accent);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 8px;
            border: none;
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: all var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            z-index: 999;
            padding: 16px 20px;
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav li {
            margin: 0;
        }
        .mobile-nav a {
            display: block;
            padding: 10px 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: var(--bg);
            color: var(--accent);
        }
        main {
            padding-top: var(--header-height);
            min-height: 60vh;
        }
        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-alt {
            background: #FFFFFF;
        }
        .section-gray {
            background: #EAE7E0;
        }
        .section-dark {
            background: var(--primary);
            color: var(--text-on-dark);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: var(--text-on-dark);
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            margin: 0;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: rgba(224, 138, 46, 0.08);
            border: 1px solid rgba(224, 138, 46, 0.25);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        /* 分类页头 */
        .category-hero {
            background: #F2F0EB;
            border-bottom: 1px solid var(--border);
            padding: 56px 0 48px;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .category-hero p.lead {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 780px;
            line-height: 1.85;
            margin: 0 0 24px;
        }
        .category-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .category-hero-meta span {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 14px;
        }
        /* 两列说明 */
        .prep-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .prep-block {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .prep-block h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .prep-block ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .prep-block ul li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
        }
        .prep-block ul li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--success);
            font-weight: 700;
            font-size: 14px;
        }
        /* 网格卡列表 */
        .post-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .post-grid-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            padding: 22px;
            display: flex;
            flex-direction: column;
        }
        .post-grid-card:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .post-grid-link {
            display: flex;
            flex-direction: column;
            flex: 1;
            color: var(--text);
        }
        .post-grid-link:hover {
            color: var(--text);
        }
        .post-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: #3F8A62;
            background: rgba(63, 138, 98, 0.09);
            border: 1px solid rgba(63, 138, 98, 0.2);
            border-radius: 999px;
            padding: 3px 10px;
            align-self: flex-start;
            margin-bottom: 12px;
        }
        .post-grid-card h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .post-grid-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-grid-card time {
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }
        /* 空态 */
        .empty-state {
            border: 2px dashed var(--border);
            border-radius: var(--radius-md);
            background: #FFFFFF;
            padding: 48px 24px;
            text-align: center;
            grid-column: 1 / -1;
        }
        .empty-state .empty-icon {
            font-size: 36px;
            margin-bottom: 12px;
            color: var(--border);
        }
        .empty-state h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .empty-state p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
        }
        /* 信任证书说明 */
        .cert-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }
        .cert-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .cert-content p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
            margin-bottom: 14px;
        }
        .cert-steps {
            list-style: none;
            padding: 0;
            margin: 0 0 14px;
        }
        .cert-steps li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 10px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
        }
        .cert-steps li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 14px;
            height: 14px;
            border: 2px solid var(--accent);
            border-radius: 50%;
            background: transparent;
        }
        .cert-steps li::after {
            content: "";
            position: absolute;
            left: 5px;
            top: 13px;
            width: 4px;
            height: 4px;
            background: var(--accent);
            border-radius: 50%;
        }
        .cert-image {
            background: #EAE7E0;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            text-align: center;
            min-height: 240px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .cert-image img {
            max-height: 260px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        /* iOS 版本差异 */
        .version-compare {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .version-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .version-card:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .version-card .version-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: #FFFFFF;
            background: var(--primary);
            border-radius: 999px;
            padding: 4px 12px;
            margin-bottom: 14px;
        }
        .version-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .version-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .version-card ul li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 8px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text);
        }
        .version-card ul li::before {
            content: "•";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent);
            font-weight: 700;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open {
            border-left: 3px solid var(--accent);
            background: var(--bg);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform var(--transition);
        }
        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--accent);
            border-radius: 1px;
        }
        .faq-question .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 50%;
            left: 3px;
            transform: translateY(-50%);
        }
        .faq-question .faq-icon::after {
            width: 2px;
            height: 14px;
            left: 50%;
            top: 3px;
            transform: translateX(-50%);
            transition: opacity var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item.open .faq-icon::after {
            opacity: 0;
        }
        .faq-answer {
            display: none;
            padding: 0 20px 20px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text);
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* 推荐设置 */
        .settings-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .setting-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: all var(--transition);
        }
        .setting-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }
        .setting-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: rgba(224, 138, 46, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            font-weight: 700;
        }
        .setting-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .setting-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin: 0;
        }
        /* CTA */
        .cta-panel {
            background: var(--primary);
            border-radius: var(--radius-md);
            padding: 48px 40px;
            text-align: center;
            color: var(--text-on-dark);
            box-shadow: var(--shadow-md);
        }
        .cta-panel h2 {
            color: #FFFFFF;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-panel p {
            color: #D0D0D0;
            font-size: 16px;
            max-width: 640px;
            margin: 0 auto 24px;
            line-height: 1.85;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #1E2124;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            color: #1E2124;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-light {
            background: #FFFFFF;
            color: var(--primary);
            border-color: #FFFFFF;
        }
        .btn-light:hover {
            background: var(--bg);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 60px 0 0;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-brand h3 .footer-logo-accent {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #C0C0C0;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: #C0C0C0;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding: 20px 0;
            font-size: 13px;
            color: #A0A0A0;
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .post-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .version-compare {
                grid-template-columns: 1fr 1fr;
            }
            .cert-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .category-hero {
                padding: 40px 0 32px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .prep-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .post-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .version-compare {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .settings-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cta-panel {
                padding: 32px 20px;
            }
            .cta-panel h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .cert-image {
                min-height: 180px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 24px;
                line-height: 1.4;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .post-grid-card {
                padding: 18px;
            }
            .prep-block {
                padding: 20px;
            }
            .cta-panel {
                padding: 24px 16px;
                border-radius: var(--radius-sm);
            }
            .cta-panel h2 {
                font-size: 20px;
            }
            .btn {
                font-size: 14px;
                height: 48px;
                padding: 0 20px;
            }
            .setting-card {
                padding: 18px;
                flex-direction: column;
                gap: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #23282B;
            --primary-hover: #1A1E21;
            --accent: #E08A2E;
            --accent-hover: #C9751F;
            --success: #3F8A62;
            --danger: #C74B3D;
            --bg: #F2F0EB;
            --surface: #FFFFFF;
            --border: #D9D5CE;
            --text: #1E2124;
            --text-muted: #6B6F76;
            --text-on-dark: #F2F0EB;
            --radius-sm: 4px;
            --radius-md: 8px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --transition: 0.22s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.9;
            font-weight: 400;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--text);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        input {
            font-family: inherit;
            border-radius: var(--radius-sm);
            outline: none;
        }

        /* 容器 */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 头部导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo .logo-accent {
            color: var(--accent);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-desktop li {
            margin: 0;
            padding: 0;
        }
        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }
        .nav-desktop a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
        .nav-desktop a.active {
            color: var(--accent);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 8px;
            border: none;
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: all var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            z-index: 999;
            padding: 16px 20px;
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav li {
            margin: 0;
        }
        .mobile-nav a {
            display: block;
            padding: 10px 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: var(--bg);
            color: var(--accent);
        }

        /* 主体 */
        main {
            padding-top: var(--header-height);
            min-height: 60vh;
        }
        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }
        .section-alt {
            background: #FFFFFF;
        }
        .section-gray {
            background: #EAE7E0;
        }
        .section-dark {
            background: var(--primary);
            color: var(--text-on-dark);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: var(--text-on-dark);
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 12px;
            color: var(--text);
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            margin: 0;
        }
        .section-dark .section-header h2,
        .section-dark .section-header p {
            color: var(--text-on-dark);
        }

        /* 按钮 */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #1E2124;
            font-size: 16px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            min-height: 44px;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary-custom:hover {
            background: var(--accent-hover);
            color: #1E2124;
            transform: translateY(2px);
        }
        .btn-primary-custom:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 16px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary);
            min-height: 44px;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-secondary-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(2px);
        }
        .btn-secondary-custom:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .section-dark .btn-secondary-custom {
            border-color: var(--text-on-dark);
            color: var(--text-on-dark);
        }
        .section-dark .btn-secondary-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* 页面头 */
        .page-head {
            background: #EAE7E0;
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }
        .page-head .breadcrumb {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0 0 16px;
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .page-head .breadcrumb li {
            margin: 0;
        }
        .page-head .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin-left: 8px;
            color: var(--border);
        }
        .page-head .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .page-head .breadcrumb a:hover {
            color: var(--accent);
        }
        .page-head h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 12px;
            color: var(--text);
        }
        .page-head .page-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 780px;
            margin: 0;
            line-height: 1.9;
        }

        /* 审核流程图解 */
        .audit-flow {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: stretch;
            counter-reset: flow-step;
        }
        .flow-step {
            flex: 1 1 170px;
            min-width: 150px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            position: relative;
            counter-increment: flow-step;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .flow-step:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .flow-step::before {
            content: counter(flow-step);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-on-dark);
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 12px;
        }
        .flow-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--text);
        }
        .flow-step p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .flow-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
            color: var(--border);
            font-weight: 700;
            font-size: 20px;
        }

        /* 规范要点卡片 */
        .standards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .standard-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .standard-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .standard-card .standard-icon {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 12px;
            display: block;
            line-height: 1;
        }
        .standard-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--text);
        }
        .standard-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* 能力提升 图文交替 */
        .skill-alt {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .skill-alt .skill-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--text);
            line-height: 1.4;
        }
        .skill-alt .skill-text p {
            font-size: 16px;
            color: var(--text-muted);
            margin: 0 0 20px;
            line-height: 1.9;
        }
        .skill-alt .skill-text ul {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .skill-alt .skill-text ul li {
            font-size: 15px;
            color: var(--text);
            padding-left: 24px;
            position: relative;
            line-height: 1.7;
        }
        .skill-alt .skill-text ul li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--success);
            font-weight: 700;
        }
        .skill-alt .skill-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .skill-alt .skill-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        /* 法规要点 */
        .regulations-block {
            background: #EAE7E0;
            border-left: 4px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 24px 28px;
        }
        .regulations-block h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--text);
        }
        .regulations-block p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0 0 12px;
            line-height: 1.9;
        }
        .regulations-block ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .regulations-block ul li {
            font-size: 15px;
            color: var(--text);
            padding-left: 20px;
            position: relative;
            line-height: 1.7;
        }
        .regulations-block ul li::before {
            content: "•";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent);
            font-weight: 700;
        }

        /* 资讯列表 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .news-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-card .news-info {
            flex: 1;
        }
        .news-card .news-info h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--text);
            line-height: 1.5;
        }
        .news-card .news-info h3 a {
            color: var(--text);
            text-decoration: none;
        }
        .news-card .news-info h3 a:hover {
            color: var(--accent);
        }
        .news-card .news-info p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0 0 8px;
            line-height: 1.7;
            max-width: 600px;
        }
        .news-card .news-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-card .news-meta .badge-cat {
            display: inline-block;
            padding: 2px 10px;
            background: #EAE7E0;
            color: var(--primary);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }
        .news-card .news-arrow {
            flex: 0 0 auto;
            color: var(--border);
            font-size: 20px;
            font-weight: 700;
            transition: all var(--transition);
        }
        .news-card:hover .news-arrow {
            color: var(--accent);
            transform: translateX(4px);
        }

        /* 空态 */
        .empty-state {
            border: 2px dashed var(--border);
            border-radius: var(--radius-md);
            padding: 48px 24px;
            text-align: center;
            background: var(--surface);
        }
        .empty-state h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }
        .empty-state p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0;
        }

        /* CTA */
        .cta-block {
            background: var(--primary);
            border-radius: var(--radius-md);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            background-image: linear-gradient(180deg, rgba(35,40,43,0.92) 0%, rgba(35,40,43,0.88) 100%), url('/assets/images/700ebfd9e145d948.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-block .cta-text {
            flex: 1;
            min-width: 280px;
        }
        .cta-block .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-on-dark);
            margin: 0 0 12px;
            line-height: 1.4;
        }
        .cta-block .cta-text p {
            font-size: 16px;
            color: var(--text-on-dark);
            opacity: 0.85;
            margin: 0;
            line-height: 1.9;
        }
        .cta-block .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-on-dark);
            margin: 0 0 12px;
        }
        .site-footer .footer-brand h3 .footer-logo-accent {
            color: var(--accent);
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: var(--text-on-dark);
            opacity: 0.78;
            line-height: 1.8;
            margin: 0;
            max-width: 360px;
        }
        .site-footer .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-on-dark);
            margin: 0 0 16px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-col ul li {
            margin: 0;
        }
        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: var(--text-on-dark);
            opacity: 0.75;
            text-decoration: none;
            transition: all var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            opacity: 1;
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(242,240,235,0.15);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-on-dark);
            opacity: 0.6;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .standards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .skill-alt {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .audit-flow {
                flex-direction: column;
                gap: 12px;
            }
            .flow-connector {
                display: none;
            }
            .page-head h1 {
                font-size: 26px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .standards-grid {
                grid-template-columns: 1fr;
            }
            .cta-block {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
            }
            .cta-block .cta-actions {
                width: 100%;
            }
            .cta-block .cta-actions .btn-primary-custom,
            .cta-block .cta-actions .btn-secondary-custom {
                width: 100%;
                text-align: center;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .news-card {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-head h1 {
                font-size: 24px;
            }
            .page-head .page-desc {
                font-size: 14px;
            }
            .btn-primary-custom,
            .btn-secondary-custom {
                width: 100%;
                text-align: center;
                font-size: 15px;
            }
            .skill-alt .skill-text h3 {
                font-size: 20px;
            }
            .regulations-block {
                padding: 20px 16px;
            }
            .cta-block .cta-text h2 {
                font-size: 22px;
            }
            .section-header h2 {
                font-size: 22px;
            }
        }