/* roulang page: index */
:root {
            --color-primary: #123F35;
            --color-primary-dark: #0D2F26;
            --color-accent: #C9A24B;
            --color-bg: #F7F4EC;
            --color-card: #FFFFFF;
            --color-border: #E6E0D4;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-muted: #9B9B9B;
            --color-up: #C0392B;
            --color-down: #1E8449;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', ui-monospace, monospace;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-badge: 6px;
            --shadow-card: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 12px 28px rgba(0,0,0,0.10);
            --shadow-nav: 0 2px 8px rgba(0,0,0,0.05);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --space-section: 72px;
            --space-section-mobile: 44px;
        }

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

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

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 3px solid rgba(18,63,53,0.28);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 40px;
        }

        section {
            padding: var(--space-section) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head .section-title {
            margin-bottom: 10px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--color-border);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
        }
        .site-logo:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }
        .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-primary);
            border-bottom-color: var(--color-accent);
            text-decoration: none;
        }
        .main-nav a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #fff !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            border-bottom: none !important;
            transition: all var(--transition);
        }
        .nav-cta:hover {
            background: var(--color-primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
            border-bottom: none !important;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: 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);
        }

        /* ===== Hero ===== */
        .hero-section {
            padding: 72px 0 64px;
            background: linear-gradient(180deg, #F7F4EC 0%, #F3EEE4 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/1ac93e0ba8004202.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .hero-section .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-content h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: 18px;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: 2px solid transparent;
            text-decoration: none;
        }
        .btn:hover {
            text-decoration: none;
            transform: translateY(-2px);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(18,63,53,0.28);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background: #F0F5F3;
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: #B8913D;
            color: #fff;
        }
        .hero-trust {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .hero-trust span::before {
            content: '●';
            font-size: 8px;
            color: var(--color-accent);
        }
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .hero-visual .phone-frame {
            width: 320px;
            height: 560px;
            background: #fff;
            border-radius: 36px;
            border: 1px solid var(--color-border);
            box-shadow: 0 20px 48px rgba(0,0,0,0.12);
            overflow: hidden;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/add50df8a070f3c5.webp');
            background-size: cover;
            background-position: center;
        }
        .hero-visual .phone-frame::after {
            content: '信钰证券app';
            position: absolute;
            bottom: 16px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 11px;
            color: rgba(255,255,255,0.9);
            background: rgba(18,63,53,0.75);
            padding: 4px 14px;
            border-radius: 20px;
            white-space: nowrap;
        }

        /* ===== 行情快照 ===== */
        .market-strip {
            padding: 28px 0;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
        }
        .market-strip .container {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        .market-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 150px;
            padding: 8px 16px;
            background: var(--color-bg);
            border-radius: 10px;
        }
        .market-item .name {
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .market-item .value {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text);
        }
        .market-item .change {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
        }
        .market-item .change.up { color: var(--color-up); }
        .market-item .change.down { color: var(--color-down); }

        /* ===== 通用卡片 ===== */
        .grid {
            display: grid;
            gap: 24px;
        }
        .grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            text-decoration: none;
            color: var(--color-text);
            display: block;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #d4cbb8;
            text-decoration: none;
            color: var(--color-text);
            transform: translateY(-2px);
        }
        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: #F0F5F3;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-size: 20px;
            color: var(--color-primary);
        }
        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 12px;
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-link::after {
            content: '→';
            transition: transform var(--transition);
        }
        .card:hover .card-link::after {
            transform: translateX(4px);
        }

        /* ===== 资讯卡片 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            text-decoration: none;
            color: var(--color-text);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #d4cbb8;
            text-decoration: none;
            color: var(--color-text);
            transform: translateY(-2px);
        }
        .news-card .news-thumb {
            width: 100%;
            height: 160px;
            background-size: cover;
            background-position: center;
            background-color: #EFEBE0;
        }
        .news-card .news-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .news-tag {
            background: #F0F5F3;
            color: var(--color-primary);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }
        .news-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .news-excerpt {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
        }
        .news-read {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            margin: 0 auto 14px;
        }
        .step-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .step-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== 专题入口 ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            text-decoration: none;
            color: var(--color-text);
            display: block;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #d4cbb8;
            text-decoration: none;
            color: var(--color-text);
            transform: translateY(-2px);
        }
        .topic-card .topic-thumb {
            width: 100%;
            height: 140px;
            background-size: cover;
            background-position: center;
            background-color: #EFEBE0;
        }
        .topic-card .topic-body {
            padding: 18px 20px;
        }
        .topic-card .topic-title {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .topic-card .topic-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== 投教课堂 ===== */
        .edu-layout {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 40px;
            align-items: start;
        }
        .edu-side .section-title {
            font-size: 24px;
        }
        .edu-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .edu-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 16px 20px;
            display: flex;
            gap: 14px;
            align-items: center;
            transition: all var(--transition);
            text-decoration: none;
            color: var(--color-text);
        }
        .edu-item:hover {
            box-shadow: var(--shadow-card);
            border-color: #d4cbb8;
            text-decoration: none;
            color: var(--color-text);
        }
        .edu-item .edu-index {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #F0F5F3;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .edu-item .edu-info {
            flex: 1;
        }
        .edu-item .edu-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .edu-item .edu-meta {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ===== 市场日历 ===== */
        .calendar-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 8px;
            margin-top: 18px;
        }
        .calendar-day {
            text-align: center;
            padding: 10px 6px;
            border-radius: 8px;
            font-size: 13px;
            background: var(--color-bg);
            border: 1px solid transparent;
        }
        .calendar-day.header {
            font-weight: 700;
            color: var(--color-text-secondary);
            background: transparent;
            font-size: 12px;
        }
        .calendar-day.event {
            background: #FDF6E3;
            border-color: var(--color-accent);
            font-weight: 600;
            color: var(--color-primary);
        }
        .calendar-day.holiday {
            background: #FEF0EE;
            border-color: var(--color-up);
            color: var(--color-up);
        }

        /* ===== 风险提示 ===== */
        .risk-banner {
            background: #FDF8F0;
            border: 1px solid #E8D9C0;
            border-left: 4px solid var(--color-accent);
            border-radius: 10px;
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .risk-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.65;
        }
        .risk-item .risk-icon {
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            flex-shrink: 0;
            margin-top: 2px;
            font-size: 14px;
        }

        /* ===== 费用卡片 ===== */
        .fee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .fee-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-card);
        }
        .fee-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .fee-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 12px;
        }
        .fee-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
        }

        /* ===== 安全保障 ===== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .security-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            text-align: center;
        }
        .security-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #F0F5F3;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 22px;
            color: var(--color-primary);
        }
        .security-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .security-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== 版本更新 ===== */
        .version-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .version-info .version-num {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .version-info .section-title {
            font-size: 26px;
        }
        .version-log {
            list-style: none;
            margin-top: 16px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .version-log li {
            font-size: 15px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.65;
        }
        .version-log li::before {
            content: '·';
            color: var(--color-accent);
            font-weight: 700;
            font-size: 20px;
            line-height: 1.4;
        }
        .version-visual {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/d0a98e0e74d624d7.webp');
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow-card);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            background: #FAF8F2;
        }
        .faq-item details summary {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }
        .faq-item details summary::-webkit-details-marker {
            display: none;
        }
        .faq-item details summary::after {
            content: '+';
            font-size: 22px;
            color: var(--color-primary);
            font-weight: 400;
            transition: transform var(--transition);
        }
        .faq-item details[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item details[open] summary {
            border-left: 4px solid var(--color-primary);
            padding-left: 20px;
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            border-left: 4px solid var(--color-primary);
            margin-left: 0;
            padding-left: 20px;
            padding-top: 4px;
        }

        /* ===== 底部 CTA ===== */
        .cta-section {
            padding: 56px 0;
            background: var(--color-primary);
        }
        .cta-card {
            background: var(--color-primary);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-card h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .cta-card p {
            font-size: 16px;
            color: rgba(255,255,255,0.8);
            line-height: 1.65;
            max-width: 480px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-white {
            background: #fff;
            color: var(--color-primary);
        }
        .btn-white:hover {
            background: #F0F5F3;
            color: var(--color-primary-dark);
        }
        .btn-outline-white {
            background: transparent;
            color: #fff;
            border-color: rgba(255,255,255,0.6);
        }
        .btn-outline-white:hover {
            background: rgba(255,255,255,0.1);
            color: #fff;
            border-color: #fff;
        }

        /* ===== 空态 ===== */
        .empty-state {
            padding: 40px 20px;
            text-align: center;
            font-size: 15px;
            color: var(--color-text-muted);
            background: #FAF8F2;
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
        }

        /* ===== 查看更多 ===== */
        .view-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 24px;
        }
        .view-more::after {
            content: '→';
            transition: transform var(--transition);
        }
        .view-more:hover::after {
            transform: translateX(4px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0D2F26;
            color: #fff;
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 14px;
            font-size: 20px;
        }
        .footer-brand .footer-desc {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .footer-qr {
            width: 100px;
            height: 100px;
            background: rgba(255,255,255,0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: rgba(255,255,255,0.6);
            margin-bottom: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.6);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .container { padding: 0 28px; }
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-content h1 { font-size: 36px; }
            .grid-4, .news-grid, .topic-grid, .steps-grid, .fee-grid, .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .edu-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .version-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container { padding: 0 20px; }
            section { padding: var(--space-section-mobile) 0; }
            .section-title { font-size: 24px; }
            .site-header .container { height: 60px; }
            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                gap: 4px;
                box-shadow: 0 12px 24px rgba(0,0,0,0.1);
                border-bottom: 1px solid var(--color-border);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 0;
                border-bottom: 1px solid var(--color-border);
                width: 100%;
                text-align: left;
            }
            .main-nav a.nav-cta {
                text-align: center;
                justify-content: center;
                border-bottom: none;
                margin-top: 8px;
            }
            .nav-toggle { display: flex; }
            .hero-section { padding: 48px 0 44px; }
            .hero-content h1 { font-size: 30px; }
            .hero-subtitle { font-size: 15px; }
            .hero-actions { flex-direction: column; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .hero-visual .phone-frame { width: 260px; height: 460px; }
            .market-strip .container {
                flex-direction: row;
                overflow-x: auto;
                flex-wrap: nowrap;
                gap: 10px;
                padding-bottom: 8px;
            }
            .market-item { min-width: 140px; flex-shrink: 0; }
            .grid-4, .news-grid, .topic-grid, .steps-grid, .fee-grid, .security-grid {
                grid-template-columns: 1fr;
            }
            .grid-3, .grid-2 {
                grid-template-columns: 1fr;
            }
            .calendar-grid {
                grid-template-columns: repeat(7, 1fr);
                font-size: 11px;
                gap: 4px;
            }
            .calendar-day { padding: 6px 4px; font-size: 11px; }
            .risk-banner { padding: 20px 18px; }
            .cta-card { padding: 32px 24px; }
            .cta-card h2 { font-size: 22px; }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand .footer-desc { max-width: 100%; }
        }

        @media (max-width: 520px) {
            .hero-content h1 { font-size: 26px; }
            .section-title { font-size: 21px; }
            .topic-grid .topic-thumb { height: 110px; }
            .news-grid .news-thumb { height: 130px; }
            .steps-grid { gap: 12px; }
            .step-card { padding: 20px 14px; }
            .cta-actions { flex-direction: column; width: 100%; }
            .cta-actions .btn { width: 100%; justify-content: center; }
        }

/* roulang page: category1 */
:root {
            --color-primary: #123F35;
            --color-primary-dark: #0D2F26;
            --color-accent: #C9A24B;
            --color-bg: #F7F4EC;
            --color-card: #FFFFFF;
            --color-border: #E6E0D4;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-muted: #9B9B9B;
            --color-up: #C0392B;
            --color-down: #1E8449;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', ui-monospace, monospace;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-badge: 6px;
            --shadow-card: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 12px 28px rgba(0,0,0,0.10);
            --shadow-nav: 0 2px 8px rgba(0,0,0,0.05);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --space-section: 72px;
            --space-section-mobile: 44px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 3px solid rgba(18,63,53,0.28);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 40px;
        }
        section {
            padding: var(--space-section) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head .section-title {
            margin-bottom: 10px;
        }
        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--color-border);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
        }
        .site-logo:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }
        .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 26px;
            list-style: none;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-primary);
            border-bottom-color: var(--color-accent);
            text-decoration: none;
        }
        .main-nav a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #fff !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            border-bottom: none !important;
            transition: all var(--transition);
        }
        .nav-cta:hover {
            background: var(--color-primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
            border-bottom: none !important;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            background: #FDFBF6;
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li + li::before {
            content: '/';
            color: var(--color-text-muted);
            font-size: 13px;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }
        /* ===== 分类页头 ===== */
        .category-hero {
            padding: 56px 0 48px;
            background: linear-gradient(180deg, #FDFBF6 0%, #F7F4EC 100%);
            border-bottom: 1px solid var(--color-border);
        }
        .category-hero .container {
            max-width: 880px;
            margin: 0 auto;
            text-align: center;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 18px;
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin: 0 auto;
        }
        /* ===== 子栏目入口 ===== */
        .sub-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .sub-entry-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .sub-entry-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }
        .sub-entry-card .entry-img {
            width: 100%;
            height: 120px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 16px;
            background: #F0EBE0;
        }
        .sub-entry-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .sub-entry-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .sub-entry-card a {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        /* ===== 资讯列表 ===== */
        .news-card-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }
        .news-card .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 10px;
        }
        .news-card .card-tag {
            display: inline-block;
            background: #F0F5F3;
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: var(--radius-badge);
        }
        .news-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 10px;
        }
        .news-card h3 a {
            color: var(--color-text);
        }
        .news-card h3 a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .news-card .card-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 12px;
        }
        .news-card .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-card .read-more:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            background: var(--color-card);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
            color: var(--color-text-muted);
            font-size: 15px;
        }
        /* ===== 流程条 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .step-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }
        .step-num {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-family: var(--font-mono);
        }
        .step-item h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        /* ===== 费用卡片 ===== */
        .fee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .fee-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .fee-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }
        .fee-card .fee-icon {
            width: 44px;
            height: 44px;
            background: #F0F5F3;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .fee-card h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 10px;
        }
        .fee-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }
        /* ===== 交易时间条 ===== */
        .time-info-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
        }
        .time-info-bar .time-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-secondary);
            white-space: nowrap;
        }
        .time-info-bar .time-value {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            font-family: var(--font-mono);
        }
        .time-info-bar .time-note {
            font-size: 13px;
            color: var(--color-text-muted);
            flex: 1;
            min-width: 200px;
        }
        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
        }
        .faq-item.open {
            border-left: 4px solid var(--color-primary);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: all var(--transition);
        }
        .faq-question:hover {
            background: #FAF8F2;
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--color-accent);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            border-top: 1px solid var(--color-border);
            padding-top: 16px;
        }
        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            padding: 64px 0;
        }
        .cta-content {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-content p {
            font-size: 16px;
            color: rgba(255,255,255,0.85);
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: var(--color-primary-dark);
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-primary:hover {
            background: #DBAE55;
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(201,162,75,0.5);
            outline-offset: 2px;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 16px;
            border: 2px solid rgba(255,255,255,0.6);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.1);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
            text-decoration: none;
        }
        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: #fff;
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.12);
        }
        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .site-logo:hover {
            color: #fff;
        }
        .footer-brand .site-logo .logo-icon {
            background: var(--color-accent);
            color: var(--color-primary-dark);
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255,255,255,0.72);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .footer-qr {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            background: rgba(255,255,255,0.1);
            border: 1px dashed rgba(255,255,255,0.3);
            border-radius: 8px;
            font-size: 12px;
            color: rgba(255,255,255,0.65);
            text-align: center;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            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: rgba(255,255,255,0.72);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(255,255,255,0.5);
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 28px;
            }
            .sub-entry-grid,
            .fee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-card-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            section {
                padding: var(--space-section-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 20px;
                box-shadow: 0 8px 20px rgba(0,0,0,0.1);
                transform: translateY(-110%);
                transition: transform 0.3s ease;
                z-index: 999;
                border-bottom: 2px solid var(--color-border);
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .main-nav a {
                padding: 12px 0;
                border-bottom: 1px solid var(--color-border);
                font-size: 16px;
            }
            .main-nav .nav-cta {
                margin-top: 12px;
                justify-content: center;
                text-align: center;
            }
            .sub-entry-grid,
            .fee-grid,
            .steps-grid,
            .news-card-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-content h2 {
                font-size: 24px;
            }
            .time-info-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #123F35;
            --color-primary-dark: #0D2F26;
            --color-accent: #C9A24B;
            --color-bg: #F7F4EC;
            --color-card: #FFFFFF;
            --color-border: #E6E0D4;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-muted: #9B9B9B;
            --color-up: #C0392B;
            --color-down: #1E8449;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', ui-monospace, monospace;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-badge: 6px;
            --shadow-card: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 12px 28px rgba(0,0,0,0.10);
            --shadow-nav: 0 2px 8px rgba(0,0,0,0.05);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --space-section: 72px;
            --space-section-mobile: 44px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 3px solid rgba(18,63,53,0.28);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.35;
            font-weight: 600;
            color: var(--color-text);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 40px;
        }
        section {
            padding: var(--space-section) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head .section-title {
            margin-bottom: 10px;
        }
        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--color-border);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
        }
        .site-logo:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }
        .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-primary);
            border-bottom-color: var(--color-accent);
            text-decoration: none;
        }
        .main-nav a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #fff !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            border-bottom: none !important;
            transition: all var(--transition);
        }
        .nav-cta:hover {
            background: var(--color-primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
            border-bottom: none !important;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            transition: all var(--transition);
        }
        /* 面包屑 */
        .breadcrumb-wrap {
            background: #FBF9F4;
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .breadcrumb .sep {
            color: var(--color-text-muted);
            margin: 0 2px;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
            max-width: 350px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        /* 文章头部 */
        .article-hero {
            padding: 48px 0 36px;
            background: var(--color-bg);
        }
        .article-hero .article-meta-top {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 18px;
        }
        .article-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(18,63,53,0.08);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.02em;
        }
        .article-date {
            font-size: 14px;
            color: var(--color-text-muted);
            font-family: var(--font-mono);
        }
        .article-meta-divider {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-border);
        }
        .article-hero h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .article-hero .article-subtitle {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 860px;
            margin-bottom: 22px;
        }
        .article-stats {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .article-stats span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-stats .stat-icon {
            width: 18px;
            height: 18px;
            color: var(--color-accent);
            font-weight: 700;
        }
        .article-cover {
            margin-top: 28px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .article-cover img {
            width: 100%;
            height: auto;
            aspect-ratio: 21/9;
            object-fit: cover;
            border-radius: var(--radius-card);
        }
        .article-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(18,63,53,0.05) 0%, rgba(18,63,53,0.18) 100%);
            pointer-events: none;
            border-radius: var(--radius-card);
        }
        /* 文章主体 */
        .article-main {
            padding: 48px 0 56px;
        }
        .article-layout {
            display: flex;
            gap: 48px;
            align-items: flex-start;
        }
        .article-content-area {
            flex: 1;
            min-width: 0;
        }
        .article-body {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 48px 52px;
            box-shadow: var(--shadow-card);
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 36px 0 16px;
            padding-top: 12px;
            border-top: 2px solid var(--color-border);
        }
        .article-body h2:first-child {
            margin-top: 0;
            padding-top: 0;
            border-top: none;
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-primary);
            margin: 28px 0 12px;
        }
        .article-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin: 22px 0 10px;
        }
        .article-body p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            margin-bottom: 18px;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px 24px;
            padding: 0;
        }
        .article-body li {
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 8px;
        }
        .article-body blockquote {
            background: #F8F6F0;
            border-left: 4px solid var(--color-accent);
            padding: 18px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
            border-radius: 8px;
            overflow: hidden;
        }
        .article-body table th {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
        }
        .article-body table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border);
        }
        .article-body table tr:nth-child(even) td {
            background: #FAF8F2;
        }
        .article-body img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-card);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }
        .article-body a {
            color: var(--color-primary);
            font-weight: 500;
            border-bottom: 1px solid var(--color-accent);
            transition: all var(--transition);
        }
        .article-body a:hover {
            color: var(--color-primary-dark);
            border-bottom-color: var(--color-primary-dark);
            text-decoration: none;
        }
        /* 正文空态 */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            background: var(--color-card);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
        }
        .empty-state .empty-icon {
            font-size: 48px;
            margin-bottom: 16px;
            color: var(--color-text-muted);
        }
        .empty-state h3 {
            font-size: 20px;
            color: var(--color-text-secondary);
            margin-bottom: 10px;
        }
        .empty-state p {
            color: var(--color-text-muted);
            margin-bottom: 22px;
        }
        .empty-state .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        /* 侧边卡片 */
        .article-sidebar {
            width: 320px;
            flex-shrink: 0;
            position: sticky;
            top: 88px;
        }
        .sidebar-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
        }
        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 .side-icon {
            color: var(--color-accent);
            font-weight: 700;
        }
        .side-risk-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .side-risk-list li {
            display: flex;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
            line-height: 1.5;
        }
        .side-risk-list li:last-child {
            border-bottom: none;
        }
        .side-risk-list li .risk-dot {
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-top: 6px;
        }
        .side-cta-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 600;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition);
        }
        .side-cta-link:last-child {
            border-bottom: none;
        }
        .side-cta-link:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
            padding-left: 4px;
        }
        .side-cta-link .arrow {
            font-size: 18px;
            color: var(--color-accent);
        }
        /* 风险提示插条 */
        .risk-strip {
            background: #FFF8F0;
            border: 1px solid #E8D5B5;
            border-left: 6px solid var(--color-accent);
            border-radius: var(--radius-card);
            padding: 22px 26px;
            margin-top: 28px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.04);
        }
        .risk-strip h3 {
            font-size: 16px;
            font-weight: 700;
            color: #8A6D2F;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .risk-strip p {
            font-size: 15px;
            color: #6B5A3E;
            line-height: 1.75;
            margin: 0;
        }
        /* 操作步骤 */
        .steps-section {
            background: #F0EBDF;
            padding: 48px 0;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            border: 1px solid var(--color-border);
        }
        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 14px;
            font-family: var(--font-mono);
        }
        .step-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        /* 相关推荐 */
        .related-section {
            background: var(--color-bg);
            padding: 56px 0 64px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .related-card .card-thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }
        .related-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }
        .related-card:hover .card-thumb img {
            transform: scale(1.04);
        }
        .related-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }
        .related-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .related-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }
        .related-card .card-date {
            font-size: 13px;
            color: var(--color-text-muted);
            font-family: var(--font-mono);
        }
        .related-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 10px;
            transition: all var(--transition);
        }
        .related-card .card-link:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
            gap: 10px;
        }
        /* 上一篇/下一篇 */
        .prev-next-section {
            padding: 32px 0 48px;
            background: var(--color-bg);
        }
        .prev-next-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .prev-next-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .prev-next-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            text-decoration: none;
        }
        .prev-next-card .pn-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(18,63,53,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .prev-next-card .pn-label {
            font-size: 12px;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }
        .prev-next-card .pn-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.4;
        }
        /* CTA */
        .cta-section {
            background: var(--color-primary);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(201,162,75,0.15);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 350px;
            height: 350px;
            background: rgba(255,255,255,0.05);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-text {
            flex: 1;
            min-width: 280px;
        }
        .cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-text p {
            font-size: 16px;
            color: rgba(255,255,255,0.82);
            margin: 0;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #B8933D;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(201,162,75,0.35);
            text-decoration: none;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.45);
            border-radius: var(--radius-btn);
            padding: 13px 26px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255,255,255,0.08);
            transform: translateY(-2px);
            text-decoration: none;
        }
        /* 页脚 */
        .site-footer {
            background: var(--color-primary-dark);
            color: #fff;
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .site-logo .logo-icon {
            background: var(--color-accent);
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .footer-qr {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 10px;
            font-size: 12px;
            color: rgba(255,255,255,0.6);
            text-align: center;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            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: rgba(255,255,255,0.7);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.5);
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .container {
                padding: 0 28px;
            }
            .article-hero h1 {
                font-size: 28px;
            }
            .article-layout {
                flex-direction: column;
                gap: 32px;
            }
            .article-sidebar {
                width: 100%;
                position: static;
            }
            .article-body {
                padding: 36px 32px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            section {
                padding: var(--space-section-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 0;
                box-shadow: 0 12px 24px rgba(0,0,0,0.08);
                transform: translateY(-110%);
                transition: transform 0.35s ease;
                z-index: 999;
                border-bottom: 2px solid var(--color-border);
            }
            .main-nav.show {
                transform: translateY(0);
            }
            .main-nav a {
                padding: 14px 20px;
                border-bottom: 1px solid var(--color-border);
                font-size: 16px;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav .nav-cta {
                margin: 12px 20px 4px;
                text-align: center;
                justify-content: center;
            }
            .article-hero {
                padding: 32px 0 24px;
            }
            .article-hero h1 {
                font-size: 24px;
            }
            .article-body {
                padding: 24px 20px;
                border-radius: 12px;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-stats {
                gap: 14px;
                font-size: 13px;
            }
            .breadcrumb .current {
                max-width: 160px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .prev-next-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .article-cover img {
                aspect-ratio: 16/8;
            }
        }
        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 21px;
                line-height: 1.4;
            }
            .article-hero .article-subtitle {
                font-size: 15px;
            }
            .article-body {
                padding: 20px 16px;
            }
            .article-body p {
                font-size: 15px;
            }
            .article-body table {
                font-size: 13px;
            }
            .article-body table th,
            .article-body table td {
                padding: 8px 10px;
            }
            .breadcrumb {
                font-size: 13px;
                gap: 5px;
            }
            .site-header .container {
                height: 60px;
            }
            .main-nav {
                top: 60px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #123F35;
            --color-primary-dark: #0D2F26;
            --color-accent: #C9A24B;
            --color-bg: #F7F4EC;
            --color-card: #FFFFFF;
            --color-border: #E6E0D4;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-muted: #9B9B9B;
            --color-up: #C0392B;
            --color-down: #1E8449;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', ui-monospace, monospace;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-badge: 6px;
            --shadow-card: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 12px 28px rgba(0,0,0,0.10);
            --shadow-nav: 0 2px 8px rgba(0,0,0,0.05);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --space-section: 72px;
            --space-section-mobile: 44px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 3px solid rgba(18,63,53,0.28);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 40px;
        }
        section {
            padding: var(--space-section) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head .section-title {
            margin-bottom: 10px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--color-border);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
        }
        .site-logo:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }
        .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-primary);
            border-bottom-color: var(--color-accent);
            text-decoration: none;
        }
        .main-nav a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #fff !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            border-bottom: none !important;
            transition: all var(--transition);
        }
        .nav-cta:hover {
            background: var(--color-primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
            border-bottom: none !important;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            transition: all var(--transition);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding: 24px 0 0;
            background: var(--color-bg);
        }
        .breadcrumb {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
        }
        .breadcrumb a {
            color: var(--color-primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--color-text-muted);
        }

        /* ===== 分类页头区 ===== */
        .category-hero {
            padding: 40px 0 24px;
            background: var(--color-bg);
        }
        .category-hero .h1-title {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .category-hero .lead {
            font-size: 18px;
            color: var(--color-text-secondary);
            max-width: 800px;
            line-height: 1.75;
        }

        /* ===== 工具子入口 ===== */
        .tool-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .tool-entry-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: all var(--transition);
            display: block;
            color: var(--color-text);
        }
        .tool-entry-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-4px);
            text-decoration: none;
            color: var(--color-text);
        }
        .tool-entry-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: var(--color-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 22px;
        }
        .tool-entry-title {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-primary);
        }
        .tool-entry-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== 功能卡片列表 ===== */
        .tool-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .tool-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-4px);
        }
        .tool-card-img {
            height: 180px;
            background: #f0ebe0;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .tool-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .tool-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .tool-card-title {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .tool-card-text {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .tool-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }
        .tool-card-link:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .tool-card-link::after {
            content: '→';
            transition: transform var(--transition);
        }
        .tool-card-link:hover::after {
            transform: translateX(4px);
        }

        /* ===== 操作步骤 ===== */
        .step-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .step-item {
            display: flex;
            gap: 20px;
            margin-bottom: 28px;
            position: relative;
        }
        .step-item:last-child {
            margin-bottom: 0;
        }
        .step-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }
        .step-content {
            flex: 1;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
        }
        .step-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .step-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== 行情指标 ===== */
        .indicator-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .indicator-item {
            text-align: center;
            padding: 16px;
            background: #FAF8F2;
            border-radius: 10px;
        }
        .indicator-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 8px;
        }
        .indicator-value {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
        }
        .indicator-change {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            margin-top: 4px;
        }
        .change-up {
            color: var(--color-up);
        }
        .change-down {
            color: var(--color-down);
        }
        .indicator-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 8px;
        }

        /* ===== FAQ ===== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--color-card);
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }
        .accordion-custom .accordion-button {
            background: var(--color-card);
            color: var(--color-text);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 24px;
            border: none;
            box-shadow: none;
            text-align: left;
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-radius: 0;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background-color: #FAF8F2;
            color: var(--color-primary);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(18,63,53,0.2);
        }
        .accordion-custom .accordion-body {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            padding: 4px 24px 20px;
        }
        .accordion-custom .accordion-button::after {
            content: '+';
            font-size: 22px;
            font-weight: 300;
            background: none;
            color: var(--color-accent);
            width: auto;
            height: auto;
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            content: '−';
            font-size: 22px;
            color: var(--color-primary);
        }

        /* ===== 下载 CTA ===== */
        .cta-section {
            padding: var(--space-section) 0;
            background: var(--color-primary);
            border-radius: 24px;
            margin: 0 40px;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 40px;
        }
        .cta-content {
            flex: 1;
        }
        .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-desc {
            font-size: 16px;
            color: rgba(255,255,255,0.85);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn-primary-custom {
            background: var(--color-accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            border: none;
            transition: all var(--transition);
        }
        .btn-primary-custom:hover {
            background: #b8923c;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255,255,255,0.6);
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-outline-light-custom:hover {
            background: rgba(255,255,255,0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .cta-img {
            flex: 0 0 280px;
            height: 200px;
            border-radius: 16px;
            overflow: hidden;
            background: #f0ebe0;
        }
        .cta-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 16px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: #fff;
            padding: 60px 0 0;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .site-logo:hover {
            color: var(--color-accent);
        }
        .footer-brand .logo-icon {
            background: var(--color-accent);
        }
        .footer-desc {
            color: rgba(255,255,255,0.8);
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 20px;
        }
        .footer-qr {
            width: 90px;
            height: 90px;
            background: rgba(255,255,255,0.1);
            border: 1px dashed rgba(255,255,255,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: rgba(255,255,255,0.6);
            border-radius: 8px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-accent);
            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: rgba(255,255,255,0.75);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            color: rgba(255,255,255,0.6);
            font-size: 13px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 24px;
            }
            .tool-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tool-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-section {
                margin: 0 24px;
            }
            .cta-inner {
                flex-direction: column;
                padding: 30px 24px;
            }
            .cta-img {
                flex: 0 0 180px;
                width: 100%;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 20px;
            }
            section {
                padding: var(--space-section-mobile) 0;
            }
            .site-header .container {
                height: 60px;
            }
            .main-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease;
                box-shadow: 0 8px 16px rgba(0,0,0,0.1);
                border-bottom: 1px solid var(--color-border);
            }
            .main-nav.open {
                max-height: 500px;
            }
            .main-nav a {
                padding: 16px 20px;
                border-bottom: 1px solid var(--color-border);
                border-left: 3px solid transparent;
            }
            .main-nav a.active {
                border-left-color: var(--color-primary);
                border-bottom-color: var(--color-border);
            }
            .nav-cta {
                margin: 16px 20px;
                justify-content: center;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-toggle.active span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }
            .nav-toggle.active span:nth-child(2) {
                opacity: 0;
            }
            .nav-toggle.active span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }
            .category-hero .h1-title {
                font-size: 30px;
            }
            .tool-entry-grid {
                grid-template-columns: 1fr;
            }
            .tool-card-grid {
                grid-template-columns: 1fr;
            }
            .indicator-card {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand {
                text-align: center;
            }
            .footer-qr {
                margin: 0 auto;
            }
            .footer-col {
                text-align: center;
            }
            .cta-section {
                margin: 0 20px;
                border-radius: 16px;
            }
            .cta-inner {
                padding: 24px 16px;
            }
            .cta-title {
                font-size: 24px;
            }
            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .cta-buttons .btn-primary-custom,
            .cta-buttons .btn-outline-light-custom {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #123F35;
            --color-primary-dark: #0D2F26;
            --color-accent: #C9A24B;
            --color-bg: #F7F4EC;
            --color-card: #FFFFFF;
            --color-border: #E6E0D4;
            --color-text: #1A1A1A;
            --color-text-secondary: #5A5A5A;
            --color-text-muted: #9B9B9B;
            --color-up: #C0392B;
            --color-down: #1E8449;
            --color-warning-bg: #FFF8E8;
            --color-warning-border: #D4A84B;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', ui-monospace, monospace;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-badge: 6px;
            --shadow-card: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 12px 28px rgba(0,0,0,0.10);
            --shadow-nav: 0 2px 8px rgba(0,0,0,0.05);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --space-section: 72px;
            --space-section-mobile: 44px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 3px solid rgba(18,63,53,0.28);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 40px;
        }
        section {
            padding: var(--space-section) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head .section-title {
            margin-bottom: 10px;
        }
        .bg-white-section {
            background-color: #FFFFFF;
        }
        .bg-soft-section {
            background-color: #F3F0E8;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--color-border);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
        }
        .site-logo:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }
        .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-primary);
            border-bottom-color: var(--color-accent);
            text-decoration: none;
        }
        .main-nav a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #fff !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            border-bottom: none !important;
            transition: all var(--transition);
        }
        .nav-cta:hover {
            background: var(--color-primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
            border-bottom: none !important;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            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);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-wrap a {
            color: var(--color-primary);
            font-weight: 500;
        }
        .breadcrumb-wrap a:hover {
            text-decoration: underline;
        }
        .breadcrumb-wrap .sep {
            color: var(--color-text-muted);
        }
        .breadcrumb-wrap .current {
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ===== 分类页头区 ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, #FDFBF6 0%, #F3F0E8 55%, #EAE4D5 100%);
            border-bottom: 1px solid var(--color-border);
            padding: 56px 0 48px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: url('/assets/images/837f9d7f2caa5c90.webp') center/cover no-repeat;
            opacity: 0.12;
            border-radius: 0;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 16px;
            max-width: 800px;
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 720px;
        }
        .category-hero .hero-badge-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .hero-badge {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            white-space: nowrap;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            border: none;
            transition: all var(--transition);
            text-decoration: none !important;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(18,63,53,0.25);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(18,63,53,0.2);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-outline:hover {
            background: #F0F5F3;
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: #B8923A;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(201,162,75,0.3);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(18,63,53,0.28);
            outline-offset: 2px;
        }

        /* ===== 专题入口 ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            height: 100%;
        }
        .topic-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .topic-card .topic-icon {
            width: 48px;
            height: 48px;
            background: #F0F5F3;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
            margin-bottom: 16px;
            font-weight: 700;
        }
        .topic-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .topic-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            flex-grow: 1;
        }
        .topic-card .topic-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .topic-card .topic-link:hover {
            gap: 8px;
            text-decoration: underline;
        }

        /* ===== 文章列表卡片 ===== */
        .article-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary);
            transform: translateY(-4px);
        }
        .article-card .card-thumb {
            aspect-ratio: 16/9;
            background: #F3F0E8;
            overflow: hidden;
            border-radius: 0;
        }
        .article-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition);
        }
        .article-card:hover .card-thumb img {
            transform: scale(1.04);
        }
        .article-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .article-card .category-tag {
            background: #F0F5F3;
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            white-space: nowrap;
        }
        .article-card .article-date {
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .article-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
            margin-bottom: 10px;
        }
        .article-card h3 a {
            color: var(--color-text);
            transition: color var(--transition);
        }
        .article-card h3 a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .article-card .article-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            flex-grow: 1;
        }
        .article-card .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .article-card .read-more:hover {
            gap: 8px;
            text-decoration: underline;
        }
        .empty-state {
            background: #FAF8F2;
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
            padding: 48px 24px;
            text-align: center;
            color: var(--color-text-secondary);
            font-size: 15px;
        }

        /* ===== 风险警示条 ===== */
        .risk-warning {
            background: #FFFDF5;
            border: 2px solid var(--color-warning-border);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            position: relative;
        }
        .risk-warning::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--color-warning-border);
            border-radius: 14px 0 0 14px;
        }
        .risk-warning h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .risk-warning-list {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .risk-warning-list li {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }
        .risk-warning-list li strong {
            display: block;
            font-size: 15px;
            color: var(--color-primary);
            font-weight: 600;
            margin-bottom: 6px;
        }

        /* ===== 适当性匹配卡 ===== */
        .suitability-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .suitability-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            height: 100%;
        }
        .suitability-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }
        .suitability-card .level-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .level-conservative {
            background: #EAF5EF;
            color: #1E8449;
        }
        .level-moderate {
            background: #FFF8E8;
            color: #B8923A;
        }
        .level-aggressive {
            background: #FDECEA;
            color: #C0392B;
        }
        .suitability-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .suitability-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* ===== 市场日历 ===== */
        .calendar-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
        }
        .calendar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .calendar-list li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 18px;
            background: #FAF8F2;
            border-radius: 10px;
            border-left: 3px solid var(--color-accent);
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex-wrap: wrap;
        }
        .calendar-list li .cal-date {
            font-family: var(--font-mono);
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            min-width: 100px;
            white-space: nowrap;
        }
        .calendar-list li .cal-event {
            color: var(--color-text);
            font-weight: 500;
        }
        .calendar-list li .cal-tag {
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 4px;
            white-space: nowrap;
            font-weight: 500;
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 70%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(201,162,75,0.15);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255,255,255,0.85);
            line-height: 1.7;
            max-width: 560px;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cta-buttons .btn-accent {
            background: var(--color-accent);
            color: #fff;
        }
        .cta-buttons .btn-accent:hover {
            background: #D4B05A;
        }
        .cta-buttons .btn-ghost-white {
            background: transparent;
            border: 2px solid rgba(255,255,255,0.7);
            color: #fff;
        }
        .cta-buttons .btn-ghost-white:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: #fff;
            padding: 56px 0 32px;
        }
        .site-footer a {
            color: rgba(255,255,255,0.8);
            font-size: 14px;
        }
        .site-footer a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .site-logo {
            color: #fff;
        }
        .footer-brand .site-logo:hover {
            color: #fff;
        }
        .footer-brand .site-logo .logo-icon {
            background: var(--color-accent);
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            margin-top: 14px;
            max-width: 320px;
        }
        .footer-qr {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 88px;
            height: 88px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 8px;
            margin-top: 14px;
            font-size: 12px;
            color: rgba(255,255,255,0.7);
            text-align: center;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 22px;
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            text-align: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 28px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .risk-warning-list {
                grid-template-columns: 1fr;
            }
            .suitability-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .cta-section .container {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 20px;
            }
            section {
                padding: var(--space-section-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
                gap: 18px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(0,0,0,0.08);
                transform: translateY(-110%);
                transition: transform var(--transition);
                z-index: 999;
                max-height: 80vh;
                overflow-y: auto;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .main-nav a {
                width: 100%;
                padding: 10px 0;
                font-size: 16px;
            }
            .nav-cta {
                text-align: center;
                justify-content: center;
                margin-top: 8px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .article-list-grid {
                grid-template-columns: 1fr;
            }
            .risk-warning-list {
                grid-template-columns: 1fr;
            }
            .suitability-grid {
                grid-template-columns: 1fr;
            }
            .calendar-list li {
                flex-direction: column;
                gap: 6px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .cta-buttons .btn {
                width: 100%;
            }
            .category-hero::before {
                width: 100%;
                opacity: 0.06;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 22px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .btn {
                width: 100%;
                padding: 11px 18px;
                font-size: 14px;
            }
            .article-card .card-meta {
                gap: 8px;
            }
        }