/* roulang page: index */
:root {
            --color-charcoal: #1E1E1B;
            --color-charcoal-light: #2C2C28;
            --color-copper: #B78D4F;
            --color-copper-dark: #9A7440;
            --color-risk-red: #C0392B;
            --color-risk-red-light: #FEF5F3;
            --color-data-green: #2E7D5B;
            --color-warm-bg: #F7F4EF;
            --color-white: #FFFFFF;
            --color-text: #1E1E1B;
            --color-text-secondary: #4A4A44;
            --color-text-muted: #7A7A72;
            --color-text-light: #D9D5CE;
            --color-border: rgba(30,30,27,0.08);
            --color-border-strong: rgba(30,30,27,0.16);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(30,30,27,0.06);
            --shadow-card-hover: 0 12px 32px rgba(30,30,27,0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1180px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button {
            font-family: var(--font-family);
            cursor: pointer;
            border: none;
            outline: none;
        }

        input,
        select {
            font-family: var(--font-family);
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-charcoal);
            height: 68px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            cursor: pointer;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--color-copper), var(--color-copper-dark));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--color-charcoal);
            flex-shrink: 0;
        }

        .logo-text {
            color: var(--color-white);
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            letter-spacing: 0.3px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .main-nav a:hover {
            color: var(--color-white);
        }

        .main-nav a.active {
            color: var(--color-copper);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--color-copper);
            border-radius: 2px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--transition);
            cursor: pointer;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-copper);
            outline-offset: 3px;
        }

        .btn-primary {
            background-color: var(--color-copper);
            color: var(--color-charcoal);
        }

        .btn-primary:hover {
            background-color: var(--color-copper-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(183,141,79,0.35);
        }

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

        .btn-dark {
            background-color: var(--color-charcoal);
            color: var(--color-copper);
        }

        .btn-dark:hover {
            background-color: var(--color-charcoal-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(30,30,27,0.3);
        }

        .btn-outline-light {
            background-color: transparent;
            color: var(--color-white);
            border: 1px solid rgba(255,255,255,0.35);
        }

        .btn-outline-light:hover {
            border-color: var(--color-copper);
            color: var(--color-copper);
        }

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

        .btn-outline-dark:hover {
            border-color: var(--color-copper);
            color: var(--color-copper);
        }

        .nav-toggle {
            display: none;
            background: none;
            color: var(--color-white);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255,255,255,0.2);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--color-copper);
            color: var(--color-copper);
        }

        .nav-toggle svg {
            width: 22px;
            height: 22px;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--color-charcoal);
            z-index: 99;
            padding: 32px 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            color: var(--color-text-light);
            font-size: 18px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-copper);
        }

        .mobile-menu .risk-note {
            margin-top: auto;
            padding-top: 24px;
            font-size: 13px;
            color: var(--color-text-muted);
            text-align: center;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-color: var(--color-charcoal);
            background-image: url('/assets/images/1384fa65c0ce927e.webp');
            background-size: cover;
            background-position: center;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 80px 0 64px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(30,30,27,0.92) 0%, rgba(30,30,27,0.75) 55%, rgba(30,30,27,0.55) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            color: var(--color-white);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(183,141,79,0.18);
            border: 1px solid rgba(183,141,79,0.4);
            color: var(--color-copper);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-white);
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255,255,255,0.85);
            max-width: 480px;
            margin-bottom: 32px;
            letter-spacing: 0.3px;
        }

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

        .hero-risk-note {
            margin-top: 28px;
            font-size: 13px;
            color: rgba(255,255,255,0.5);
            letter-spacing: 0.3px;
        }

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

        .hero-visual img {
            width: 100%;
            max-width: 480px;
            border-radius: var(--radius-lg);
            box-shadow: 0 24px 48px rgba(0,0,0,0.4);
            border: 1px solid rgba(255,255,255,0.1);
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* ===== Section通用 ===== */
        .section {
            padding: var(--section-padding);
        }

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

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

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

        .section-gray {
            background-color: #F0EDE7;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-header.left {
            text-align: left;
            margin-left: 0;
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-copper);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-charcoal .section-title,
        .section-charcoal .section-header p {
            color: var(--color-white);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .section-charcoal .section-subtitle {
            color: rgba(255,255,255,0.75);
        }

        /* ===== 数据指标条 ===== */
        .metrics-bar {
            padding: 40px 0;
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
        }

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

        .metric-card {
            text-align: center;
            padding: 24px 16px;
            background-color: var(--color-warm-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }

        .metric-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
            border-color: rgba(183,141,79,0.3);
        }

        .metric-value {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-copper);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            line-height: 1.2;
        }

        .metric-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            font-weight: 500;
            margin-bottom: 4px;
        }

        .metric-note {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .metrics-risk {
            text-align: center;
            margin-top: 20px;
            font-size: 13px;
            color: var(--color-risk-red);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

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

        .step-card {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            position: relative;
            transition: var(--transition);
            counter-increment: step;
        }

        .step-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .step-number {
            position: absolute;
            top: -14px;
            left: 24px;
            width: 32px;
            height: 32px;
            background-color: var(--color-copper);
            color: var(--color-charcoal);
            font-weight: 700;
            font-size: 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .step-icon {
            width: 48px;
            height: 48px;
            background-color: var(--color-warm-bg);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ===== 额度测算 ===== */
        .calc-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .calc-info h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .calc-info p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .calc-keywords {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .calc-keywords .keyword-tag {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: var(--transition);
            cursor: default;
        }

        .calc-keywords .keyword-tag:hover {
            border-color: var(--color-copper);
            color: var(--color-copper);
        }

        .calc-form {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
        }

        .calc-form h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-sm);
            font-size: 15px;
            background-color: var(--color-warm-bg);
            color: var(--color-text);
            transition: var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--color-copper);
            background-color: var(--color-white);
            box-shadow: 0 0 0 3px rgba(183,141,79,0.12);
        }

        .calc-form .btn {
            width: 100%;
        }

        /* ===== 规则要点 ===== */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .rule-item {
            background-color: var(--color-white);
            border-radius: var(--radius-sm);
            padding: 22px 20px;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: var(--transition);
            cursor: default;
        }

        .rule-item:hover {
            border-color: rgba(183,141,79,0.35);
            box-shadow: 0 4px 12px rgba(30,30,27,0.06);
        }

        .rule-icon {
            width: 40px;
            height: 40px;
            background-color: var(--color-warm-bg);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .rule-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .rule-item p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ===== 费率对比 ===== */
        .rate-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .rate-card {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .rate-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background-color: var(--color-copper);
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .rate-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .rate-card.highlight {
            border-color: rgba(183,141,79,0.45);
            box-shadow: 0 12px 36px rgba(183,141,79,0.15);
        }

        .rate-card .rate-type {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-charcoal);
            margin-bottom: 8px;
        }

        .rate-card .rate-range {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-copper);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .rate-card .rate-detail {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .rate-card .rate-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .rate-card .rate-actions a {
            font-size: 13px;
            color: var(--color-copper);
            font-weight: 500;
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }

        .rate-card .rate-actions a:hover {
            border-bottom-color: var(--color-copper);
        }

        /* ===== 风控板块 ===== */
        .risk-control {
            background-color: var(--color-charcoal);
            color: var(--color-white);
            padding: var(--section-padding);
            position: relative;
            overflow: hidden;
        }

        .risk-control::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(192,57,43,0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .risk-content {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .risk-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .risk-visual .risk-icon-large {
            width: 100px;
            height: 100px;
            background-color: rgba(192,57,43,0.2);
            border: 2px solid rgba(192,57,43,0.5);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 44px;
            color: var(--color-risk-red);
        }

        .risk-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .risk-item {
            background-color: rgba(255,255,255,0.08);
            border-radius: var(--radius-sm);
            padding: 20px;
            border: 1px solid rgba(255,255,255,0.12);
            transition: var(--transition);
        }

        .risk-item:hover {
            background-color: rgba(255,255,255,0.12);
            border-color: rgba(192,57,43,0.4);
        }

        .risk-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 6px;
        }

        .risk-item p {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            line-height: 1.6;
        }

        .risk-disclaimer {
            margin-top: 24px;
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            letter-spacing: 0.3px;
        }

        /* ===== 资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .news-card .news-image {
            aspect-ratio: 16/9;
            background-color: var(--color-warm-bg);
            overflow: hidden;
        }

        .news-card .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .news-card:hover .news-image img {
            transform: scale(1.03);
        }

        .news-card .news-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 10px;
        }

        .news-card .news-tag {
            background-color: rgba(183,141,79,0.12);
            color: var(--color-copper);
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 500;
        }

        .news-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .news-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
        }

        .news-card .news-link {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-copper);
            margin-top: 12px;
            transition: var(--transition);
        }

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

        .news-empty {
            background-color: var(--color-warm-bg);
            border: 2px dashed var(--color-border-strong);
            border-radius: var(--radius-md);
            padding: 48px 24px;
            text-align: center;
            color: var(--color-text-muted);
            font-size: 15px;
            letter-spacing: 0.3px;
        }

        /* ===== 用户见证 ===== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .testimonial-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--color-warm-bg);
            border: 2px solid var(--color-copper);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            font-weight: 600;
            color: var(--color-copper);
        }

        .testimonial-card .testimonial-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-copper);
            background-color: rgba(183,141,79,0.1);
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
        }

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

        .testimonial-card blockquote {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-style: normal;
            border-left: 3px solid var(--color-copper);
            padding-left: 14px;
        }

        /* ===== 资金存管 ===== */
        .custody-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 16px 40px;
            padding: 32px 0;
        }

        .custody-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 14px 22px;
            color: var(--color-text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            cursor: default;
        }

        .custody-item:hover {
            border-color: rgba(183,141,79,0.4);
            color: var(--color-copper);
        }

        .custody-item .custody-icon {
            width: 28px;
            height: 28px;
            background-color: var(--color-warm-bg);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--color-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(183,141,79,0.3);
        }

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

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

        .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background-color: var(--color-warm-bg);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform 0.3s ease;
            color: var(--color-text-muted);
        }

        .faq-item.active .faq-question .faq-arrow {
            transform: rotate(180deg);
            background-color: rgba(183,141,79,0.15);
            color: var(--color-copper);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 20px;
        }

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

        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background-color: var(--color-charcoal);
            padding: 64px 0;
            color: var(--color-white);
        }

        .cta-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-wrapper h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .cta-wrapper p {
            font-size: 15px;
            color: rgba(255,255,255,0.75);
            max-width: 480px;
        }

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

        /* ===== 免责声明 ===== */
        .disclaimer-bar {
            background-color: #F0EDE7;
            padding: 20px 0;
            border-top: 1px solid var(--color-border);
        }

        .disclaimer-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .disclaimer-bar p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--color-charcoal);
            color: rgba(255,255,255,0.7);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand .logo-text {
            color: var(--color-white);
            font-size: 18px;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255,255,255,0.45);
        }

        .footer-bottom .footer-risk {
            color: rgba(192,57,43,0.7);
            font-size: 12px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 20px;
            }

            .main-nav a {
                font-size: 14px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .hero {
                min-height: 480px;
                padding: 56px 0 48px;
            }

            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-visual {
                display: none;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .calc-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

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

            .risk-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 40px 0;
                --section-padding-mobile: 40px 0;
            }

            .site-header {
                height: 60px;
            }

            .main-nav {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .hero {
                min-height: auto;
                padding: 56px 0 40px;
            }

            .hero h1 {
                font-size: 28px;
                line-height: 1.35;
                letter-spacing: 0.5px;
            }

            .hero-subtitle {
                font-size: 15px;
                margin-bottom: 24px;
            }

            .hero-actions {
                gap: 10px;
            }

            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }

            .section-header {
                margin-bottom: 32px;
            }

            .section-title {
                font-size: 24px;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .metric-value {
                font-size: 24px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .step-card {
                padding: 24px 20px;
            }

            .calc-form {
                padding: 24px 20px;
            }

            .rules-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .rate-cards {
                grid-template-columns: 1fr;
                gap: 18px;
            }

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

            .risk-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .risk-visual {
                display: none;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .custody-strip {
                gap: 12px 20px;
            }

            .custody-item {
                padding: 10px 16px;
                font-size: 13px;
            }

            .cta-wrapper {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .cta-wrapper h2 {
                font-size: 22px;
            }

            .disclaimer-bar .container {
                flex-direction: column;
                align-items: flex-start;
            }

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

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

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

            .hero h1 {
                font-size: 24px;
            }

            .hero-subtitle {
                font-size: 14px;
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

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

            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .metric-card {
                padding: 18px 14px;
            }

            .section-title {
                font-size: 20px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer p {
                font-size: 14px;
            }

            .cta-wrapper h2 {
                font-size: 20px;
            }

            .cta-actions {
                width: 100%;
                flex-direction: column;
            }

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

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

/* roulang page: article */
:root {
            --color-charcoal: #1E1E1B;
            --color-charcoal-light: #2C2C28;
            --color-copper: #B78D4F;
            --color-copper-dark: #9A7440;
            --color-risk-red: #C0392B;
            --color-risk-red-light: #FEF5F3;
            --color-data-green: #2E7D5B;
            --color-warm-bg: #F7F4EF;
            --color-white: #FFFFFF;
            --color-text: #1E1E1B;
            --color-text-secondary: #4A4A44;
            --color-text-muted: #7A7A72;
            --color-text-light: #D9D5CE;
            --color-border: rgba(30,30,27,0.08);
            --color-border-strong: rgba(30,30,27,0.16);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(30,30,27,0.06);
            --shadow-card-hover: 0 12px 32px rgba(30,30,27,0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1180px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            font-family: var(--font-family);
            cursor: pointer;
            border: none;
            outline: none;
        }
        input,
        select {
            font-family: var(--font-family);
            outline: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-charcoal);
            height: 68px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            cursor: pointer;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--color-copper), var(--color-copper-dark));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--color-charcoal);
            flex-shrink: 0;
        }
        .logo-text {
            color: var(--color-white);
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            letter-spacing: 0.3px;
            white-space: nowrap;
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--color-white);
        }
        .main-nav a.active {
            color: var(--color-copper);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--color-copper);
            border-radius: 2px;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--transition);
            cursor: pointer;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-copper);
            outline-offset: 3px;
        }
        .btn-primary {
            background-color: var(--color-copper);
            color: var(--color-charcoal);
        }
        .btn-primary:hover {
            background-color: var(--color-copper-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(183,141,79,0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-dark {
            background-color: var(--color-charcoal);
            color: var(--color-copper);
        }
        .btn-dark:hover {
            background-color: var(--color-charcoal-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(30,30,27,0.3);
        }
        .btn-outline-light {
            background-color: transparent;
            color: var(--color-text-light);
            border: 1px solid rgba(217,213,206,0.4);
        }
        .btn-outline-light:hover {
            border-color: var(--color-copper);
            color: var(--color-copper);
            background-color: rgba(183,141,79,0.08);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 6px;
        }
        /* 移动端导航按钮 */
        .nav-toggle {
            display: none;
            background: none;
            color: var(--color-white);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background-color: rgba(183,141,79,0.15);
        }
        .nav-toggle svg {
            width: 24px;
            height: 24px;
        }
        /* 移动端全屏菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--color-charcoal);
            z-index: 99;
            padding: 32px 24px;
            flex-direction: column;
            gap: 16px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: var(--color-text-light);
            font-size: 18px;
            font-weight: 500;
            padding: 12px 0;
            border-bottom: 1px solid rgba(217,213,206,0.1);
            transition: var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-copper);
        }
        .mobile-menu .mobile-risk {
            margin-top: auto;
            font-size: 13px;
            color: rgba(192,57,43,0.7);
            text-align: center;
            padding-top: 16px;
        }
        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            background-color: #F0EBE2;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--color-text-muted);
            margin-left: 4px;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--color-copper);
        }
        .breadcrumb .current {
            color: var(--color-copper-dark);
            font-weight: 600;
        }
        .breadcrumb .category-label {
            color: var(--color-text-muted);
            font-weight: 400;
        }
        /* ===== 文章标题区 ===== */
        .article-header-section {
            padding: 48px 0 24px;
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
        }
        .article-header-section h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-category {
            display: inline-block;
            padding: 4px 12px;
            background-color: rgba(183,141,79,0.12);
            color: var(--color-copper-dark);
            border-radius: 20px;
            font-weight: 500;
            font-size: 13px;
        }
        /* ===== 动态 TDK 区 ===== */
        .tdk-placeholder-section {
            padding: 20px 0;
            background-color: var(--color-warm-bg);
        }
        .tdk-placeholder {
            border: 2px dashed rgba(30,30,27,0.15);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            color: var(--color-text-muted);
            font-size: 14px;
            background-color: rgba(247,244,239,0.6);
        }
        .tdk-placeholder .icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background-color: rgba(183,141,79,0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--color-copper-dark);
        }
        /* ===== 正文阅读区 ===== */
        .article-body-section {
            padding: 40px 0 56px;
            background-color: var(--color-white);
        }
        .article-body-card {
            background-color: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 40px 48px;
            box-shadow: var(--shadow-card);
        }
        .article-body-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
        }
        .article-body-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin-top: 40px;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(183,141,79,0.25);
        }
        .article-body-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text);
            margin-top: 28px;
            margin-bottom: 12px;
        }
        .article-body-content p {
            margin-bottom: 16px;
            color: var(--color-text-secondary);
        }
        .article-body-content ul,
        .article-body-content ol {
            margin-bottom: 16px;
            padding-left: 24px;
            color: var(--color-text-secondary);
        }
        .article-body-content ul li,
        .article-body-content ol li {
            margin-bottom: 8px;
        }
        .article-body-content blockquote {
            border-left: 3px solid var(--color-risk-red);
            background-color: var(--color-risk-red-light);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 14px;
            color: var(--color-risk-red);
        }
        .article-body-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
            background-color: var(--color-white);
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(30,30,27,0.04);
        }
        .article-body-content table th {
            background-color: var(--color-charcoal);
            color: var(--color-copper);
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
            border: 1px solid var(--color-border-strong);
        }
        .article-body-content table td {
            padding: 10px 16px;
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
        }
        .article-body-content table tr:nth-child(even) {
            background-color: rgba(247,244,239,0.6);
        }
        .article-body-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-card);
        }
        .article-body-content a {
            color: var(--color-copper-dark);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body-content a:hover {
            color: var(--color-copper);
        }
        /* 未找到内容 */
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
            background-color: var(--color-warm-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
        }
        .not-found-box h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
        }
        .not-found-box p {
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }
        /* ===== 风险提示条 ===== */
        .risk-disclaimer-section {
            padding: 32px 0;
            background-color: var(--color-warm-bg);
        }
        .risk-disclaimer {
            background-color: var(--color-risk-red-light);
            border: 1px solid rgba(192,57,43,0.2);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
        .risk-disclaimer .risk-icon {
            width: 28px;
            height: 28px;
            background-color: var(--color-risk-red);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .risk-disclaimer p {
            font-size: 14px;
            color: var(--color-risk-red);
            margin: 0;
            line-height: 1.7;
        }
        /* ===== 上一篇/下一篇 ===== */
        .prev-next-section {
            padding: 32px 0 48px;
            background-color: var(--color-white);
        }
        .prev-next-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .prev-next-card {
            display: block;
            padding: 20px 24px;
            background-color: var(--color-warm-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .prev-next-card:hover {
            border-color: var(--color-copper);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .prev-next-card .label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 6px;
        }
        .prev-next-card .title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
        }
        .prev-next-card.next-card {
            text-align: right;
        }
        .prev-next-card.disabled {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
        }
        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 56px 0 72px;
            background-color: var(--color-warm-bg);
        }
        .section-heading {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-heading h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .section-heading p {
            font-size: 16px;
            color: var(--color-text-muted);
            margin: 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            display: block;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(183,141,79,0.3);
        }
        .related-card .card-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-bottom: 1px solid var(--color-border);
        }
        .related-card .card-body {
            padding: 20px;
        }
        .related-card .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-excerpt {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .related-card .card-meta .tag {
            display: inline-block;
            padding: 2px 10px;
            background-color: rgba(183,141,79,0.12);
            color: var(--color-copper-dark);
            border-radius: 20px;
            font-weight: 500;
        }
        .empty-state-related {
            text-align: center;
            padding: 40px 20px;
            background-color: rgba(247,244,239,0.8);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border-strong);
            color: var(--color-text-muted);
            font-size: 15px;
        }
        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--color-charcoal);
            padding: 56px 0 24px;
            color: var(--color-text-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(217,213,206,0.7);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-copper);
            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(217,213,206,0.7);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-copper);
        }
        .footer-bottom {
            border-top: 1px solid rgba(217,213,206,0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(217,213,206,0.55);
        }
        .footer-risk {
            color: rgba(192,57,43,0.7);
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 20px;
            }
            .main-nav a {
                font-size: 14px;
            }
            .article-body-card {
                padding: 32px 28px;
            }
            .article-header-section h1 {
                font-size: 30px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .site-header {
                height: 60px;
            }
            .mobile-menu {
                top: 60px;
            }
            .article-header-section {
                padding: 32px 0 16px;
            }
            .article-header-section h1 {
                font-size: 24px;
            }
            .article-body-section {
                padding: 24px 0 32px;
            }
            .article-body-card {
                padding: 20px 16px;
                border-radius: var(--radius-md);
            }
            .article-body-content h2 {
                font-size: 22px;
                margin-top: 28px;
            }
            .article-body-content h3 {
                font-size: 18px;
            }
            .prev-next-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .prev-next-card.next-card {
                text-align: left;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-section {
                padding: 40px 0 48px;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-header-section h1 {
                font-size: 20px;
                line-height: 1.45;
            }
            .article-body-content {
                font-size: 15px;
            }
            .article-body-content table {
                font-size: 12px;
            }
            .article-body-content table th,
            .article-body-content table td {
                padding: 8px 10px;
            }
        }

/* roulang page: category1 */
:root {
            --color-charcoal: #1E1E1B;
            --color-charcoal-light: #2C2C28;
            --color-copper: #B78D4F;
            --color-copper-dark: #9A7440;
            --color-risk-red: #C0392B;
            --color-risk-red-light: #FEF5F3;
            --color-data-green: #2E7D5B;
            --color-warm-bg: #F7F4EF;
            --color-white: #FFFFFF;
            --color-text: #1E1E1B;
            --color-text-secondary: #4A4A44;
            --color-text-muted: #7A7A72;
            --color-text-light: #D9D5CE;
            --color-border: rgba(30,30,27,0.08);
            --color-border-strong: rgba(30,30,27,0.16);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(30,30,27,0.06);
            --shadow-card-hover: 0 12px 32px rgba(30,30,27,0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1180px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button {
            font-family: var(--font-family);
            cursor: pointer;
            border: none;
            outline: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: var(--font-family);
            outline: none;
        }

        h1, h2, h3, h4, h5, h6 {
            line-height: 1.35;
            font-weight: 700;
            color: var(--color-text);
        }

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

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

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-charcoal);
            height: 68px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            cursor: pointer;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--color-copper), var(--color-copper-dark));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--color-charcoal);
            flex-shrink: 0;
        }

        .logo-text {
            color: var(--color-white);
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            letter-spacing: 0.3px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .main-nav a:hover {
            color: var(--color-white);
        }

        .main-nav a.active {
            color: var(--color-copper);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--color-copper);
            border-radius: 2px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--transition);
            cursor: pointer;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-copper);
            outline-offset: 3px;
        }

        .btn-primary {
            background-color: var(--color-copper);
            color: var(--color-charcoal);
        }

        .btn-primary:hover {
            background-color: var(--color-copper-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(183,141,79,0.35);
            color: var(--color-charcoal);
        }

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

        .btn-dark {
            background-color: var(--color-charcoal);
            color: var(--color-copper);
            border: 1px solid var(--color-copper);
        }

        .btn-dark:hover {
            background-color: var(--color-charcoal-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(30,30,27,0.3);
            color: var(--color-copper);
        }

        .btn-outline-light {
            background-color: transparent;
            color: var(--color-white);
            border: 2px solid var(--color-text-light);
        }

        .btn-outline-light:hover {
            border-color: var(--color-copper);
            color: var(--color-copper);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: var(--color-text-light);
            border-radius: 8px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background-color: var(--color-charcoal-light);
            color: var(--color-white);
        }

        .nav-toggle svg {
            width: 24px;
            height: 24px;
        }

        /* ===== 分页头 ===== */
        .page-header-category {
            background: linear-gradient(135deg, var(--color-charcoal) 0%, #2C2C28 50%, #3A3932 100%);
            padding: 32px 0 28px;
            border-bottom: 3px solid var(--color-copper);
            position: relative;
            overflow: hidden;
        }

        .page-header-category::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(183,141,79,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-header-category .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            z-index: 1;
        }

        .page-header-category .header-text {
            flex: 0 0 55%;
        }

        .page-header-category .header-text .breadcrumb-cat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .page-header-category .header-text .breadcrumb-cat a {
            color: var(--color-text-light);
        }

        .page-header-category .header-text .breadcrumb-cat a:hover {
            color: var(--color-copper);
        }

        .page-header-category .header-text .breadcrumb-cat .separator {
            color: var(--color-text-muted);
        }

        .page-header-category .header-text .breadcrumb-cat .current {
            color: var(--color-copper);
            font-weight: 500;
        }

        .page-header-category h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .page-header-category .header-desc {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.65;
            margin-top: 4px;
            max-width: 480px;
        }

        .page-header-category .header-graphic {
            flex: 0 0 30%;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            min-height: 120px;
        }

        .page-header-category .header-graphic .badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: flex-end;
        }

        .page-header-category .header-graphic .badge-tag {
            background-color: rgba(183,141,79,0.18);
            border: 1px solid rgba(183,141,79,0.3);
            color: var(--color-copper);
            font-size: 12px;
            padding: 6px 12px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .page-header-category .header-graphic .badge-tag:nth-child(2) {
            color: var(--color-data-green);
            border-color: rgba(46,125,91,0.4);
            background-color: rgba(46,125,91,0.12);
        }

        .page-header-category .header-graphic .badge-tag:nth-child(3) {
            color: var(--color-risk-red);
            border-color: rgba(192,57,43,0.35);
            background-color: rgba(192,57,43,0.12);
        }

        /* ===== 分类入口板块 ===== */
        .section-guide-entry {
            background-color: var(--color-warm-bg);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
            font-weight: 400;
        }

        .guide-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 12px;
        }

        .guide-entry-card {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 24px 18px;
            text-align: center;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            min-height: 160px;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-card);
        }

        .guide-entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(183,141,79,0.35);
        }

        .guide-entry-card .entry-icon {
            width: 48px;
            height: 48px;
            background-color: rgba(183,141,79,0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            color: var(--color-copper);
            transition: var(--transition);
        }

        .guide-entry-card:hover .entry-icon {
            background-color: var(--color-copper);
            color: var(--color-charcoal);
        }

        .guide-entry-card .entry-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.2px;
        }

        .guide-entry-card .entry-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ===== 文章列表板块 ===== */
        .section-article-list {
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .article-list-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .article-list-header .section-title {
            margin-bottom: 0;
        }

        .article-list-header .list-meta {
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.3px;
        }

        .article-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(183,141,79,0.35);
        }

        .article-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            background-color: var(--color-warm-bg);
            overflow: hidden;
            position: relative;
        }

        .article-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .article-card:hover .card-img img {
            transform: scale(1.04);
        }

        .article-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .article-card .card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .article-card .card-tags .tag {
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 4px;
            background-color: rgba(183,141,79,0.12);
            color: var(--color-copper-dark);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .article-card .card-tags .tag:nth-child(2) {
            background-color: rgba(46,125,91,0.1);
            color: var(--color-data-green);
        }

        .article-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
            letter-spacing: 0.2px;
        }

        .article-card .card-title a:hover {
            color: var(--color-copper);
        }

        .article-card .card-summary {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--color-border);
        }

        .article-card .card-meta .meta-date {
            letter-spacing: 0.2px;
        }

        .article-card .card-meta .meta-read {
            color: var(--color-copper);
            font-weight: 500;
            font-size: 12px;
        }

        .article-list-footer {
            text-align: center;
            margin-top: 32px;
        }

        .article-empty {
            grid-column: 1 / -1;
            background-color: var(--color-warm-bg);
            border: 1px dashed var(--color-border-strong);
            border-radius: var(--radius-md);
            padding: 48px 24px;
            text-align: center;
            color: var(--color-text-muted);
            font-size: 15px;
            letter-spacing: 0.3px;
        }

        /* ===== 时间轴 ===== */
        .section-flow {
            background-color: var(--color-warm-bg);
            border-top: 1px solid var(--color-border);
        }

        .flow-timeline {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            margin-top: 28px;
            position: relative;
        }

        .flow-timeline::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 8%;
            right: 8%;
            height: 3px;
            background: linear-gradient(90deg, var(--color-copper) 0%, var(--color-copper) 60%, rgba(183,141,79,0.3) 100%);
            border-radius: 2px;
            z-index: 0;
        }

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

        .flow-node .node-dot {
            width: 56px;
            height: 56px;
            background-color: var(--color-white);
            border: 3px solid var(--color-copper);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-copper);
            box-shadow: 0 4px 12px rgba(183,141,79,0.2);
            transition: var(--transition);
        }

        .flow-node:hover .node-dot {
            background-color: var(--color-copper);
            color: var(--color-charcoal);
            transform: scale(1.06);
        }

        .flow-node .node-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.2px;
        }

        .flow-node .node-desc {
            font-size: 12px;
            color: var(--color-text-muted);
            line-height: 1.5;
            max-width: 160px;
        }

        /* ===== 条件列表 ===== */
        .section-conditions {
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .conditions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 24px;
        }

        .condition-item {
            background-color: var(--color-warm-bg);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: var(--transition);
            border: 1px solid var(--color-border);
        }

        .condition-item:hover {
            border-color: rgba(183,141,79,0.35);
            box-shadow: var(--shadow-card);
        }

        .condition-item .cond-icon {
            width: 40px;
            height: 40px;
            background-color: rgba(183,141,79,0.14);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-copper);
            flex-shrink: 0;
        }

        .condition-item .cond-text .cond-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .condition-item .cond-text .cond-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.55;
        }

        /* ===== FAQ ===== */
        .section-faq {
            background-color: var(--color-warm-bg);
            border-top: 1px solid var(--color-border);
        }

        .faq-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: rgba(183,141,79,0.3);
        }

        .faq-question {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.2px;
            transition: var(--transition);
        }

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

        .faq-question .faq-arrow {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
            color: var(--color-text-muted);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-copper);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            padding-top: 2px;
        }

        /* ===== CTA ===== */
        .section-cta {
            background-color: var(--color-charcoal);
            padding: 48px 0;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-inner .cta-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.4px;
            margin-bottom: 6px;
        }

        .cta-inner .cta-desc {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.65;
            max-width: 500px;
        }

        .cta-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--color-charcoal);
            padding: 48px 0 0;
            border-top: 1px solid rgba(255,255,255,0.06);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
        }

        .site-footer .footer-brand .logo-text {
            font-size: 16px;
        }

        .site-footer .footer-brand p {
            color: var(--color-text-muted);
            font-size: 13px;
            line-height: 1.7;
            margin-top: 12px;
            max-width: 260px;
        }

        .site-footer .footer-col h4 {
            color: var(--color-white);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

        .site-footer .footer-col ul li a {
            color: var(--color-text-muted);
            font-size: 13px;
            transition: var(--transition);
        }

        .site-footer .footer-col ul li a:hover {
            color: var(--color-copper);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 16px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .site-footer .footer-bottom span {
            color: var(--color-text-muted);
            font-size: 12px;
            letter-spacing: 0.3px;
        }

        .site-footer .footer-bottom .footer-risk {
            color: rgba(192,57,43,0.7);
            font-weight: 500;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .guide-entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

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

            .flow-timeline {
                grid-template-columns: repeat(3, 1fr);
            }

            .flow-timeline::before {
                display: none;
            }

            .page-header-category .container {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }

            .page-header-category .header-text {
                flex: 0 0 100%;
            }

            .page-header-category .header-graphic {
                flex: 0 0 100%;
                justify-content: flex-start;
            }

            .page-header-category .header-graphic .badge-row {
                justify-content: flex-start;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-padding: 40px 0;
            }

            section {
                padding: 40px 0;
            }

            .site-header {
                height: 60px;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                bottom: 0;
                background-color: var(--color-charcoal);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 32px 24px;
                gap: 8px;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 99;
                overflow-y: auto;
            }

            .main-nav.open {
                transform: translateX(0);
            }

            .main-nav a {
                color: var(--color-text-light);
                font-size: 18px;
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid rgba(255,255,255,0.08);
            }

            .main-nav a.active {
                color: var(--color-copper);
            }

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

            .page-header-category {
                padding: 24px 0 20px;
            }

            .page-header-category h1 {
                font-size: 26px;
            }

            .page-header-category .header-desc {
                font-size: 13px;
            }

            .section-title {
                font-size: 22px;
            }

            .section-subtitle {
                font-size: 13px;
                margin-bottom: 20px;
            }

            .guide-entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .guide-entry-card {
                padding: 16px 12px;
                min-height: 130px;
                gap: 8px;
            }

            .guide-entry-card .entry-icon {
                width: 36px;
                height: 36px;
                font-size: 18px;
                border-radius: 8px;
            }

            .guide-entry-card .entry-name {
                font-size: 13px;
            }

            .guide-entry-card .entry-desc {
                font-size: 11px;
                display: none;
            }

            .article-cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .article-list-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                margin-bottom: 20px;
            }

            .article-card .card-title {
                font-size: 15px;
            }

            .article-card .card-summary {
                font-size: 12px;
            }

            .flow-timeline {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .flow-node .node-dot {
                width: 44px;
                height: 44px;
                font-size: 18px;
                border-width: 2px;
            }

            .flow-node .node-title {
                font-size: 13px;
            }

            .flow-node .node-desc {
                font-size: 11px;
                max-width: 120px;
            }

            .conditions-grid {
                grid-template-columns: 1fr;
                gap: 10px;
                margin-top: 18px;
            }

            .condition-item {
                padding: 16px 18px;
                gap: 10px;
            }

            .condition-item .cond-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 6px;
            }

            .condition-item .cond-text .cond-title {
                font-size: 14px;
            }

            .condition-item .cond-text .cond-desc {
                font-size: 12px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
                gap: 10px;
            }

            .faq-answer p {
                font-size: 13px;
            }

            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }

            .section-cta {
                padding: 36px 0;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .cta-inner .cta-title {
                font-size: 22px;
            }

            .cta-buttons {
                width: 100%;
            }

            .cta-buttons .btn {
                flex: 1;
            }

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

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 0;
            }

            .section-article-list {
                padding: 40px 0;
            }
        }

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

            .logo-text {
                font-size: 15px;
            }

            .page-header-category h1 {
                font-size: 22px;
            }

            .guide-entry-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .flow-timeline {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .article-list-footer .btn {
                width: 100%;
            }

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

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

/* roulang page: category2 */
:root {
            --color-charcoal: #1E1E1B;
            --color-charcoal-light: #2C2C28;
            --color-copper: #B78D4F;
            --color-copper-dark: #9A7440;
            --color-risk-red: #C0392B;
            --color-risk-red-light: #FEF5F3;
            --color-risk-red-dark: #A93226;
            --color-data-green: #2E7D5B;
            --color-warm-bg: #F7F4EF;
            --color-white: #FFFFFF;
            --color-text: #1E1E1B;
            --color-text-secondary: #4A4A44;
            --color-text-muted: #7A7A72;
            --color-text-light: #D9D5CE;
            --color-border: rgba(30,30,27,0.08);
            --color-border-strong: rgba(30,30,27,0.16);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(30,30,27,0.06);
            --shadow-card-hover: 0 12px 32px rgba(30,30,27,0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1180px;
            --section-padding: 64px 0;
            --section-padding-mobile: 40px 0;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

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

        button {
            font-family: var(--font-family);
            cursor: pointer;
            border: none;
            outline: none;
        }

        input,
        select {
            font-family: var(--font-family);
            outline: none;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-charcoal);
            height: 68px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            cursor: pointer;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--color-copper), var(--color-copper-dark));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--color-charcoal);
            flex-shrink: 0;
        }

        .logo-text {
            color: var(--color-white);
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            letter-spacing: 0.3px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .main-nav a:hover {
            color: var(--color-white);
        }

        .main-nav a.active {
            color: var(--color-copper);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--color-copper);
            border-radius: 2px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--transition);
            cursor: pointer;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-copper);
            outline-offset: 3px;
        }

        .btn-primary {
            background-color: var(--color-copper);
            color: var(--color-charcoal);
        }

        .btn-primary:hover {
            background-color: var(--color-copper-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(183,141,79,0.35);
        }

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

        .btn-dark {
            background-color: var(--color-charcoal);
            color: var(--color-copper);
        }

        .btn-dark:hover {
            background-color: var(--color-charcoal-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(30,30,27,0.3);
        }

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

        .btn-outline:hover {
            background-color: var(--color-charcoal);
            color: var(--color-copper);
            border-color: var(--color-charcoal);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--color-white);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .nav-toggle svg {
            width: 24px;
            height: 24px;
        }

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

        /* 移动端全屏菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--color-charcoal);
            z-index: 99;
            padding: 32px 24px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
        }

        .mobile-menu a {
            color: var(--color-text-light);
            font-size: 18px;
            font-weight: 500;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: var(--transition);
        }

        .mobile-menu a:hover {
            color: var(--color-copper);
        }

        .mobile-menu .mobile-risk {
            margin-top: auto;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(192,57,43,0.7);
            text-align: center;
        }

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

        /* ===== 分类页头 ===== */
        .page-header {
            background-color: var(--color-charcoal);
            padding: 48px 0 40px;
            position: relative;
            border-bottom: 3px solid var(--color-copper);
        }

        .page-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .page-header-left h1 {
            color: var(--color-white);
            font-size: 34px;
            font-weight: 700;
            margin: 0 0 6px;
            letter-spacing: 0.5px;
        }

        .page-header-left .breadcrumb {
            color: var(--color-text-muted);
            font-size: 13px;
            margin-bottom: 4px;
        }

        .page-header-left .breadcrumb a {
            color: var(--color-text-light);
        }

        .page-header-left .breadcrumb a:hover {
            color: var(--color-copper);
        }

        .page-header-right {
            max-width: 420px;
            color: var(--color-text-light);
            font-size: 15px;
            line-height: 1.7;
            border-left: 3px solid var(--color-copper);
            padding-left: 20px;
        }

        /* ===== Section通用 ===== */
        .section {
            padding: var(--section-padding);
        }

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

        .section-dark {
            background-color: var(--color-charcoal);
            color: var(--color-white);
        }

        .section-header {
            margin-bottom: 40px;
            text-align: center;
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--color-text);
            letter-spacing: 0.3px;
        }

        .section-header .section-subtitle {
            color: var(--color-text-muted);
            font-size: 16px;
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-header h2 {
            color: var(--color-white);
        }

        .section-dark .section-header .section-subtitle {
            color: var(--color-text-light);
        }

        /* ===== 入口卡片 ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .entry-card {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

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

        .entry-card .entry-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(183,141,79,0.15), rgba(183,141,79,0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-copper);
            flex-shrink: 0;
        }

        .entry-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0;
            color: var(--color-text);
        }

        .entry-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 文章卡片 ===== */
        .post-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

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

        .post-card .post-thumb {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: var(--color-warm-bg);
            flex-shrink: 0;
        }

        .post-card .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .post-card:hover .post-thumb img {
            transform: scale(1.04);
        }

        .post-card .post-body {
            padding: 18px 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .post-card .post-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0;
            color: var(--color-text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card .post-body h3 a:hover {
            color: var(--color-copper);
        }

        .post-card .post-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: auto;
        }

        .post-card .post-meta .tag {
            background-color: rgba(183,141,79,0.12);
            color: var(--color-copper-dark);
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            white-space: nowrap;
        }

        .list-more {
            text-align: center;
            margin-top: 36px;
        }

        /* ===== 表格样式 ===== */
        .table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
        }

        .rate-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 680px;
            font-size: 14px;
        }

        .rate-table thead {
            background-color: var(--color-charcoal);
            color: var(--color-white);
        }

        .rate-table th {
            padding: 16px 18px;
            text-align: left;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .rate-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            white-space: nowrap;
        }

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

        .rate-table tbody tr:hover {
            background-color: rgba(183,141,79,0.04);
        }

        .rate-table .highlight-row {
            background-color: rgba(183,141,79,0.06);
        }

        .table-risk-note {
            font-size: 12px;
            color: var(--color-risk-red);
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 数据条 ===== */
        .risk-bars {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .risk-bar-item {
            background-color: rgba(255,255,255,0.06);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
        }

        .risk-bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            margin-bottom: 8px;
            color: var(--color-text-light);
        }

        .risk-bar-track {
            height: 10px;
            background-color: rgba(255,255,255,0.12);
            border-radius: 20px;
            overflow: hidden;
        }

        .risk-bar-fill {
            height: 100%;
            border-radius: 20px;
            transition: var(--transition);
        }

        .risk-bar-fill.warning {
            background: linear-gradient(90deg, #E67E22, var(--color-risk-red));
        }

        .risk-bar-fill.danger {
            background: linear-gradient(90deg, var(--color-risk-red), var(--color-risk-red-dark));
        }

        .risk-bar-fill.safe {
            background: linear-gradient(90deg, #5D8A70, var(--color-data-green));
        }

        /* ===== 风控列表 ===== */
        .risk-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 720px;
            margin: 0 auto;
        }

        .risk-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .risk-list-item:hover {
            border-color: var(--color-copper);
            box-shadow: var(--shadow-card-hover);
        }

        .risk-list-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background-color: rgba(183,141,79,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-copper-dark);
            flex-shrink: 0;
        }

        .risk-list-content h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 4px;
        }

        .risk-list-content p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== 合同存管双卡 ===== */
        .dual-card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            max-width: 860px;
            margin: 0 auto;
        }

        .dual-card {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: var(--transition);
        }

        .dual-card:hover {
            border-color: var(--color-copper);
            box-shadow: var(--shadow-card-hover);
        }

        .dual-card .dual-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(183,141,79,0.18), rgba(183,141,79,0.06));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--color-copper);
            margin-bottom: 4px;
        }

        .dual-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0;
        }

        .dual-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            background-color: var(--color-charcoal);
            padding: 48px 0;
            text-align: center;
        }

        .cta-section h2 {
            color: var(--color-white);
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 8px;
        }

        .cta-section p {
            color: var(--color-text-light);
            font-size: 15px;
            margin: 0 0 24px;
        }

        .cta-section .btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--color-charcoal);
            padding: 48px 0 24px;
            color: var(--color-text-light);
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin: 12px 0 0;
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            color: var(--color-white);
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            color: var(--color-text-muted);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .footer-risk {
            color: rgba(192,57,43,0.7);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .page-header-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .page-header-right {
                border-left: none;
                padding-left: 0;
                border-top: 3px solid var(--color-copper);
                padding-top: 12px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-padding: 40px 0;
            }

            .main-nav {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .site-header .container {
                gap: 12px;
            }

            .page-header {
                padding: 32px 0 28px;
            }

            .page-header-left h1 {
                font-size: 26px;
            }

            .page-header-right {
                font-size: 14px;
            }

            .section-header h2 {
                font-size: 24px;
            }

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

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

            .dual-card-grid {
                grid-template-columns: 1fr;
            }

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

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

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

        @media (max-width: 520px) {
            .page-header-left h1 {
                font-size: 22px;
            }

            .section-header h2 {
                font-size: 20px;
            }

            .entry-card h3 {
                font-size: 14px;
            }

            .post-card .post-body h3 {
                font-size: 15px;
            }
        }

/* roulang page: category3 */
:root {
            --color-charcoal: #1E1E1B;
            --color-charcoal-light: #2C2C28;
            --color-copper: #B78D4F;
            --color-copper-dark: #9A7440;
            --color-risk-red: #C0392B;
            --color-risk-red-light: #FEF5F3;
            --color-data-green: #2E7D5B;
            --color-warm-bg: #F7F4EF;
            --color-white: #FFFFFF;
            --color-text: #1E1E1B;
            --color-text-secondary: #4A4A44;
            --color-text-muted: #7A7A72;
            --color-text-light: #D9D5CE;
            --color-border: rgba(30,30,27,0.08);
            --color-border-strong: rgba(30,30,27,0.16);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(30,30,27,0.06);
            --shadow-card-hover: 0 12px 32px rgba(30,30,27,0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1180px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-warm-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            font-family: var(--font-family);
            cursor: pointer;
            border: none;
            outline: none;
        }
        input,
        select {
            font-family: var(--font-family);
            outline: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        section {
            padding: var(--section-padding);
        }
        .section-alt {
            background-color: var(--color-white);
        }
        .section-dark {
            background-color: var(--color-charcoal);
            color: var(--color-white);
        }
        .section-head {
            margin-bottom: 36px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            margin: 0 0 12px;
            line-height: 1.3;
            color: var(--color-text);
        }
        .section-head p {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin: 0;
            max-width: 680px;
        }
        .section-dark .section-head h2 {
            color: var(--color-white);
        }
        .section-dark .section-head p {
            color: var(--color-text-light);
        }
        .badge-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            background-color: rgba(183,141,79,0.12);
            color: var(--color-copper-dark);
            margin-bottom: 10px;
        }
        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-charcoal);
            height: 68px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            cursor: pointer;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--color-copper), var(--color-copper-dark));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--color-charcoal);
            flex-shrink: 0;
        }
        .logo-text {
            color: var(--color-white);
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            letter-spacing: 0.3px;
            white-space: nowrap;
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--color-white);
        }
        .main-nav a.active {
            color: var(--color-copper);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--color-copper);
            border-radius: 2px;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--color-white);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background-color: rgba(255,255,255,0.08);
        }
        .nav-toggle svg {
            width: 24px;
            height: 24px;
        }
        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--transition);
            cursor: pointer;
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-copper);
            outline-offset: 3px;
        }
        .btn-primary {
            background-color: var(--color-copper);
            color: var(--color-charcoal);
        }
        .btn-primary:hover {
            background-color: var(--color-copper-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(183,141,79,0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-dark {
            background-color: var(--color-charcoal);
            color: var(--color-copper);
        }
        .btn-dark:hover {
            background-color: var(--color-charcoal-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(30,30,27,0.3);
        }
        .btn-outline-light {
            background-color: transparent;
            color: var(--color-white);
            border: 1px solid rgba(255,255,255,0.3);
        }
        .btn-outline-light:hover {
            background-color: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.5);
        }
        /* ===== 分类头 ===== */
        .cat-hero {
            background-color: var(--color-white);
            padding: 36px 0;
            border-bottom: 1px solid var(--color-border);
            position: relative;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-copper), rgba(183,141,79,0.3), var(--color-charcoal));
        }
        .cat-hero .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cat-hero-left {
            flex: 1;
            min-width: 280px;
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--color-copper-dark);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--color-copper);
        }
        .breadcrumb .sep {
            color: var(--color-text-muted);
        }
        .cat-hero h1 {
            font-size: 36px;
            font-weight: 700;
            margin: 0 0 8px;
            line-height: 1.25;
            color: var(--color-text);
        }
        .cat-hero-right {
            max-width: 420px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            padding-left: 24px;
            border-left: 3px solid var(--color-copper);
        }
        /* ===== 分类入口 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .guide-entry {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .guide-entry:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(183,141,79,0.3);
        }
        .guide-entry .entry-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background-color: rgba(183,141,79,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: var(--color-copper-dark);
        }
        .guide-entry h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0;
            color: var(--color-text);
        }
        .guide-entry p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }
        /* ===== 文章卡片 ===== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .article-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .article-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-tag {
            font-size: 12px;
            color: var(--color-copper-dark);
            font-weight: 600;
            background-color: rgba(183,141,79,0.1);
            padding: 3px 10px;
            border-radius: 50px;
            display: inline-block;
            margin-bottom: 8px;
            align-self: flex-start;
        }
        .article-card .card-title {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 8px;
            line-height: 1.45;
            color: var(--color-text);
        }
        .article-card .card-title a:hover {
            color: var(--color-copper-dark);
        }
        .article-card .card-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .card-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .card-more {
            margin-top: 32px;
            text-align: center;
        }
        .card-more a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-copper-dark);
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(183,141,79,0.3);
            transition: var(--transition);
        }
        .card-more a:hover {
            background-color: rgba(183,141,79,0.08);
            border-color: var(--color-copper);
        }
        /* ===== 筛选清单 ===== */
        .filter-list {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .filter-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .filter-item:hover {
            border-color: rgba(183,141,79,0.3);
            box-shadow: var(--shadow-card);
        }
        .filter-item .filter-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 10px;
            border-radius: 50%;
            background-color: rgba(183,141,79,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-copper-dark);
            font-weight: 700;
        }
        .filter-item h3 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--color-text);
        }
        .filter-item p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }
        /* ===== 软件展示 ===== */
        .software-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .software-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .software-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .software-card .software-img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            background-color: var(--color-warm-bg);
        }
        .software-card .software-body {
            padding: 16px 18px;
        }
        .software-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--color-text);
        }
        .software-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        /* ===== 流程步骤 ===== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            position: relative;
        }
        .flow-steps::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 16.6%;
            right: 16.6%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-copper), rgba(183,141,79,0.5));
        }
        .flow-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .flow-step .step-num {
            width: 64px;
            height: 64px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background-color: var(--color-white);
            border: 2px solid var(--color-copper);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-copper-dark);
        }
        .flow-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--color-text);
        }
        .flow-step p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }
        /* ===== 规则卡片 ===== */
        .rule-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .rule-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: var(--transition);
        }
        .rule-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(183,141,79,0.3);
        }
        .rule-card .rule-icon {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-copper-dark);
            margin-bottom: 10px;
        }
        .rule-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--color-text);
        }
        .rule-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.55;
        }
        /* ===== CTA ===== */
        .cta-section {
            background-color: var(--color-charcoal);
            padding: 60px 0;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-inner h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 8px;
        }
        .cta-inner p {
            font-size: 15px;
            color: var(--color-text-light);
            margin: 0;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--color-charcoal);
            color: var(--color-text-light);
            padding: 52px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin: 14px 0 0;
            color: var(--color-text-muted);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--color-text-muted);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-copper);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .footer-risk {
            color: rgba(192,57,43,0.7);
        }
        /* ===== 移动端导航抽屉 ===== */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 150;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-nav-overlay.show {
            opacity: 1;
        }
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -280px;
            width: 280px;
            height: 100vh;
            background-color: var(--color-charcoal);
            z-index: 200;
            transition: right 0.3s cubic-bezier(0.4,0,0.2,1);
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-menu.open {
            right: 0;
        }
        .mobile-menu a {
            color: var(--color-text-light);
            font-size: 18px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            color: var(--color-white);
        }
        .mobile-menu a.active {
            color: var(--color-copper);
        }
        .mobile-menu .mobile-risk {
            font-size: 12px;
            color: rgba(192,57,43,0.7);
            margin-top: auto;
            padding-top: 16px;
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .filter-list {
                grid-template-columns: repeat(3, 1fr);
            }
            .rule-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .software-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            section {
                padding: var(--section-padding-mobile);
            }
            .cat-hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .cat-hero-right {
                padding-left: 0;
                border-left: none;
                max-width: 100%;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .filter-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .software-grid {
                grid-template-columns: 1fr;
            }
            .rule-grid {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .flow-steps::before {
                display: none;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .cat-hero h1 {
                font-size: 24px;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .filter-list {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }