/* roulang page: index */
:root {
            --primary: #10313A;
            --primary-hover: #1B4B59;
            --secondary: #B28B3D;
            --accent: #D97706;
            --accent-hover: #B76104;
            --ink: #1A1A1A;
            --bg: #F7F4EE;
            --bg-alt: #E8EEE9;
            --muted: #6B6B6B;
            --border: #D9D4CA;
            --success: #2F7D4E;
            --danger: #B4422F;
            --white: #FFFFFF;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 10px rgba(16,49,58,0.06);
            --shadow-md: 0 8px 28px rgba(16,49,58,0.12);
            --shadow-lg: 0 16px 40px rgba(16,49,58,0.16);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
            --font-mono: "DIN Alternate", "SF Mono", "Consolas", "Courier New", monospace;
            --section-pad: 64px;
            --card-pad: 24px;
            --container-max: 1200px;
            --gap: 24px;
            --nav-height: 68px;
            --announce-height: 36px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background-color: var(--bg);
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

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

        ul, ol {
            list-style: none;
        }

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

        /* ============ 顶部公告栏 ============ */
        .announce-bar {
            background: var(--primary);
            color: var(--bg);
            font-size: 12px;
            line-height: 1.5;
            padding: 8px 0;
            min-height: var(--announce-height);
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1000;
        }
        .announce-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .announce-text {
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.3px;
        }
        .announce-text::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .announce-close {
            color: rgba(247,244,238,0.7);
            font-size: 14px;
            line-height: 1;
            padding: 4px;
            border-radius: 4px;
            transition: color 0.2s;
        }
        .announce-close:hover {
            color: var(--white);
        }

        /* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 900;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(16,49,58,0.08);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary) 50%, var(--secondary) 50%);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .logo-icon::after {
            content: "";
            width: 12px;
            height: 12px;
            border: 2px solid var(--white);
            border-radius: 3px;
            transform: rotate(45deg);
        }
        .logo-text {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--secondary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            padding: 10px 14px;
            border-radius: 6px;
            transition: background 0.2s ease, color 0.2s ease;
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--secondary);
            background: rgba(178,139,61,0.06);
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .nav-cta {
            flex-shrink: 0;
        }
        .nav-cta .btn {
            padding: 10px 22px;
            font-size: 14px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--white);
            min-width: 44px;
            min-height: 44px;
            justify-content: center;
            align-items: center;
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            background: var(--white);
            border-top: 1px solid var(--border);
            padding: 16px 20px 20px;
            box-shadow: 0 8px 20px rgba(16,49,58,0.08);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            border-bottom: 1px solid rgba(217,212,202,0.4);
            transition: color 0.2s, background 0.2s;
            border-radius: 4px;
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a:hover {
            color: var(--secondary);
            background: rgba(178,139,61,0.05);
        }
        .mobile-menu .btn {
            display: block;
            text-align: center;
            margin-top: 12px;
        }

        /* ============ 按钮系统 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            border-radius: 8px;
            padding: 12px 28px;
            line-height: 1.4;
            transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
            border: 1px solid transparent;
            cursor: pointer;
            text-align: center;
            min-height: 44px;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(16,49,58,0.25);
            color: var(--white);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(16,49,58,0.06);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--white);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(217,119,6,0.3);
            color: var(--white);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            min-height: 38px;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            min-height: 52px;
        }

        /* ============ 通用板块 ============ */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--primary);
            color: var(--white);
        }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 40px;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            font-family: var(--font-serif);
        }
        .section-dark .section-header h2 {
            color: var(--white);
        }
        .section-header p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
        }
        .section-dark .section-header p {
            color: rgba(247,244,238,0.75);
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--secondary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        /* ============ Hero ============ */
        .hero-section {
            background: linear-gradient(160deg, var(--bg) 0%, var(--bg-alt) 70%, #DFE8E1 100%);
            padding: 56px 0 0;
            position: relative;
            overflow: hidden;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 58% 42%;
            gap: 40px;
            align-items: center;
            padding-bottom: 40px;
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(178,139,61,0.08);
            padding: 6px 16px;
            border-radius: 20px;
            width: fit-content;
            letter-spacing: 0.5px;
        }
        .hero-badge::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--success);
        }
        .hero-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.32;
            color: var(--primary);
            letter-spacing: 1px;
            font-family: var(--font-serif);
            max-width: 600px;
        }
        .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: var(--muted);
            max-width: 520px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 4px;
        }
        .hero-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--primary);
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 14px;
            transition: border-color 0.2s, color 0.2s;
        }
        .hero-tag:hover {
            border-color: var(--secondary);
            color: var(--secondary);
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-right {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-img-wrap {
            width: 100%;
            max-width: 440px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .hero-img-wrap img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            object-fit: cover;
        }
        .hero-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(178,139,61,0.35);
            pointer-events: none;
        }
        .hero-data-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            border-top: 1px solid rgba(16,49,58,0.1);
            padding: 24px 0;
            background: rgba(255,255,255,0.6);
            border-radius: var(--radius-lg);
            margin-top: 8px;
        }
        .hero-data-item {
            text-align: center;
            padding: 8px 16px;
            position: relative;
        }
        .hero-data-item:not(:last-child)::after {
            content: "";
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border);
        }
        .hero-data-num {
            font-family: var(--font-mono);
            font-size: 30px;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.2;
        }
        .hero-data-label {
            font-size: 12px;
            color: var(--muted);
            margin-top: 4px;
        }

        /* ============ 卡片通用 ============ */
        .card-grid {
            display: grid;
            gap: var(--gap);
        }
        .card-grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card {
            background: var(--white);
            border: 1px solid rgba(16,49,58,0.08);
            border-radius: var(--radius);
            padding: var(--card-pad);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(178,139,61,0.25);
        }
        .card-top-line {
            height: 3px;
            width: 48px;
            background: var(--secondary);
            border-radius: 3px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            flex-grow: 1;
        }
        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }
        .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-alt);
            border-radius: 4px;
            padding: 2px 10px;
            letter-spacing: 0.3px;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            margin-top: auto;
            padding-top: 12px;
            transition: color 0.2s, gap 0.2s;
        }
        .card-link:hover {
            color: var(--accent);
            gap: 8px;
        }
        .card-link::after {
            content: "→";
            font-size: 14px;
        }

        /* ============ 方案板块 ============ */
        .plan-card {
            background: var(--white);
            border: 1px solid rgba(16,49,58,0.08);
            border-radius: var(--radius);
            padding: var(--card-pad);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .plan-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .plan-card.featured {
            border-color: var(--secondary);
            box-shadow: 0 0 0 1px rgba(178,139,61,0.2), var(--shadow-sm);
        }
        .plan-card.featured .plan-badge {
            position: absolute;
            top: -10px;
            left: 20px;
            background: var(--secondary);
            color: var(--white);
            font-size: 11px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 12px;
        }
        .plan-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .plan-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 16px;
        }
        .plan-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }
        .plan-meta span {
            font-size: 11px;
            color: var(--primary);
            background: var(--bg-alt);
            border-radius: 4px;
            padding: 4px 10px;
        }

        /* ============ 流程板块 ============ */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }
        .flow-step {
            text-align: center;
            position: relative;
        }
        .flow-step-num {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .flow-step h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .flow-step p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }
        .flow-arrow {
            position: absolute;
            top: 40px;
            right: -14px;
            font-size: 20px;
            color: var(--border);
            font-weight: 700;
        }
        .flow-step:last-child .flow-arrow {
            display: none;
        }

        /* ============ 倍数选择板块 ============ */
        .leverage-bar {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
            margin: 28px 0 16px;
        }
        .leverage-option {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            background: var(--white);
            transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
            cursor: default;
        }
        .leverage-option.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
            transform: scale(1.08);
        }
        .leverage-option:hover {
            border-color: var(--secondary);
            transform: translateY(-2px);
        }
        .leverage-risk {
            text-align: center;
            font-size: 12px;
            color: var(--danger);
            max-width: 480px;
            margin: 0 auto;
            padding: 8px 16px;
            background: rgba(180,66,47,0.06);
            border-radius: 6px;
        }

        /* ============ 风控体系 ============ */
        .risk-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            align-items: start;
        }
        .risk-left h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--white);
            font-family: var(--font-serif);
            margin-bottom: 12px;
        }
        .risk-left p {
            font-size: 15px;
            color: rgba(247,244,238,0.75);
            line-height: 1.8;
        }
        .risk-points {
            display: grid;
            gap: 16px;
        }
        .risk-point {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius);
            border: 1px solid rgba(255,255,255,0.08);
        }
        .risk-point-icon {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--success);
            margin-top: 6px;
            flex-shrink: 0;
        }
        .risk-point h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 4px;
        }
        .risk-point p {
            font-size: 13px;
            color: rgba(247,244,238,0.7);
            line-height: 1.6;
        }
        .risk-divider {
            height: 1px;
            background: var(--secondary);
            margin: 24px 0 16px;
            opacity: 0.5;
        }
        .risk-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
        }
        .risk-link:hover {
            color: var(--accent);
        }

        /* ============ 费用板块 ============ */
        .fee-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .fee-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: var(--card-pad);
            border: 1px solid rgba(16,49,58,0.08);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .fee-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .fee-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .fee-card p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
        }
        .fee-unit {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--secondary);
            margin: 12px 0 8px;
        }

        /* ============ 安全板块 ============ */
        .safe-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }
        .safe-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .safe-img img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .safe-points {
            display: grid;
            gap: 14px;
        }
        .safe-point {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .safe-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(178,139,61,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
            color: var(--secondary);
        }
        .safe-point h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .safe-point p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ============ 资讯/CMS卡片 ============ */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .news-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(16,49,58,0.08);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-card-thumb {
            display: block;
            height: 170px;
            overflow: hidden;
            position: relative;
        }
        .news-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
        }
        .news-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .news-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(178,139,61,0.1);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
            width: fit-content;
            letter-spacing: 0.3px;
        }
        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .news-card h3 a {
            color: var(--primary);
            transition: color 0.2s;
        }
        .news-card h3 a:hover {
            color: var(--secondary);
        }
        .news-card p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            flex-grow: 1;
            margin-bottom: 10px;
        }
        .news-meta {
            font-size: 12px;
            color: var(--muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            font-size: 15px;
            color: var(--muted);
            background: var(--white);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }
        .news-empty a {
            font-weight: 600;
            color: var(--secondary);
        }

        /* ============ FAQ手风琴 ============ */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: grid;
            gap: 10px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid rgba(16,49,58,0.08);
            border-radius: var(--radius);
            overflow: hidden;
            transition: border-color 0.2s;
        }
        .faq-item[open] {
            border-color: rgba(178,139,61,0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            list-style: none;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--secondary);
        }
        .faq-question::after {
            content: "+";
            font-size: 22px;
            font-weight: 400;
            color: var(--muted);
            transition: transform 0.2s;
            flex-shrink: 0;
        }
        .faq-item[open] .faq-question::after {
            content: "−";
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ============ CTA转化区 ============ */
        .cta-section {
            background: var(--primary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            padding: 36px 48px;
        }
        .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--white);
            font-family: var(--font-serif);
            margin-bottom: 8px;
        }
        .cta-text p {
            font-size: 15px;
            color: rgba(247,244,238,0.75);
        }
        .cta-actions {
            flex-shrink: 0;
        }

        /* ============ 对比板块 ============ */
        .compare-wrap {
            display: grid;
            grid-template-columns: 1.2fr 2.8fr;
            gap: 24px;
            align-items: start;
        }
        .compare-labels {
            display: grid;
            gap: 0;
        }
        .compare-label-item {
            padding: 16px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            border-bottom: 1px solid var(--border);
            min-height: 52px;
            display: flex;
            align-items: center;
        }
        .compare-label-item:first-child {
            border-top: 1px solid var(--border);
        }
        .compare-cols {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .compare-col {
            background: var(--white);
            border: 1px solid rgba(16,49,58,0.08);
            border-radius: var(--radius);
            padding: 18px;
            box-shadow: var(--shadow-sm);
        }
        .compare-col.highlight {
            border-color: var(--secondary);
            box-shadow: 0 0 0 1px rgba(178,139,61,0.2), var(--shadow-sm);
        }
        .compare-col-header {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 0;
            text-align: center;
        }
        .compare-col-item {
            padding: 14px 0;
            font-size: 13px;
            color: var(--muted);
            border-bottom: 1px solid rgba(217,212,202,0.5);
            text-align: center;
            min-height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .compare-col-item:last-child {
            border-bottom: none;
        }
        .compare-col-item strong {
            color: var(--primary);
            font-weight: 600;
        }

        /* ============ 策略/技巧入口 ============ */
        .strategy-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: var(--gap);
        }
        .strategy-main {
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            height: 100%;
            min-height: 280px;
            box-shadow: var(--shadow-sm);
        }
        .strategy-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .strategy-main-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(to top, rgba(16,49,58,0.9), rgba(16,49,58,0.3), transparent);
            color: var(--white);
            border-radius: 0 0 var(--radius) var(--radius);
        }
        .strategy-main-overlay h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .strategy-main-overlay p {
            font-size: 13px;
            color: rgba(247,244,238,0.8);
        }
        .strategy-mini-list {
            display: grid;
            gap: 12px;
        }
        .strategy-mini {
            display: flex;
            gap: 14px;
            align-items: center;
            background: var(--white);
            border: 1px solid rgba(16,49,58,0.08);
            border-radius: var(--radius);
            padding: 14px 16px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s, transform 0.3s;
        }
        .strategy-mini:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .strategy-mini-img {
            width: 70px;
            height: 56px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .strategy-mini-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .strategy-mini-body h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 2px;
        }
        .strategy-mini-body p {
            font-size: 12px;
            color: var(--muted);
        }

        /* ============ 工具板块 ============ */
        .tool-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .tool-card {
            background: var(--white);
            border: 1px solid rgba(16,49,58,0.08);
            border-radius: var(--radius);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s, transform 0.3s;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .tool-icon {
            width: 42px;
            height: 42px;
            border-radius: 8px;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .tool-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .tool-card p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--primary);
            color: var(--white);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 30px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.12);
        }
        .footer-brand .logo-text {
            color: var(--white);
            font-size: 20px;
        }
        .footer-brand .logo-text span {
            color: var(--secondary);
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(247,244,238,0.65);
            line-height: 1.7;
            margin-top: 12px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(247,244,238,0.65);
            padding: 4px 0;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: rgba(247,244,238,0.5);
            line-height: 1.7;
        }
        .footer-bottom a {
            color: rgba(247,244,238,0.5);
            text-decoration: underline;
            transition: color 0.2s;
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }
        .footer-risk {
            margin-top: 12px;
            font-size: 11px;
            color: rgba(180,66,47,0.85);
            background: rgba(180,66,47,0.1);
            padding: 10px 16px;
            border-radius: 6px;
            text-align: center;
        }

        /* ============ 响应式断点 ============ */
        @media (max-width: 1023px) {
            :root {
                --section-pad: 48px;
                --card-pad: 20px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-right {
                order: -1;
            }
            .hero-img-wrap {
                max-width: 100%;
                max-height: 300px;
                overflow: hidden;
            }
            .hero-img-wrap img {
                height: 300px;
                object-fit: cover;
            }
            .hero-data-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .hero-data-item:nth-child(2)::after {
                display: none;
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            .flow-step:nth-child(3) .flow-arrow {
                display: none;
            }
            .risk-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .safe-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .safe-img img {
                height: 240px;
            }
            .compare-wrap {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .compare-labels {
                display: none;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-pad: 40px;
                --card-pad: 16px;
                --nav-height: 58px;
                --gap: 16px;
            }
            body {
                font-size: 14px;
            }
            .container {
                padding: 0 12px;
            }
            .announce-bar {
                font-size: 11px;
                padding: 6px 0;
            }
            .announce-text {
                font-size: 11px;
            }

            .nav-links,
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-wrapper {
                gap: 8px;
            }
            .logo-text {
                font-size: 16px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
            }

            .hero-section {
                padding: 32px 0 0;
            }
            .hero-title {
                font-size: 26px;
                line-height: 1.4;
                letter-spacing: 0.5px;
            }
            .hero-sub {
                font-size: 14px;
            }
            .hero-badge {
                font-size: 11px;
                padding: 4px 12px;
            }
            .hero-tags {
                gap: 6px;
            }
            .hero-tag {
                font-size: 11px;
                padding: 3px 10px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-data-row {
                grid-template-columns: 1fr 1fr;
                padding: 16px 8px;
            }
            .hero-data-num {
                font-size: 22px;
            }
            .hero-data-label {
                font-size: 10px;
            }
            .hero-img-wrap img {
                height: 200px;
            }

            .section-header {
                margin-bottom: 24px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .section-header p {
                font-size: 13px;
            }

            .card-grid-3,
            .card-grid-4,
            .fee-cards,
            .news-grid,
            .tool-cards,
            .compare-cols {
                grid-template-columns: 1fr;
            }
            .card h3 {
                font-size: 16px;
            }

            .flow-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .flow-arrow {
                display: none !important;
            }
            .flow-step-num {
                font-size: 30px;
            }

            .leverage-option {
                width: 44px;
                height: 44px;
                font-size: 14px;
            }
            .leverage-bar {
                gap: 6px;
            }

            .cta-inner {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
                gap: 16px;
            }
            .cta-text h2 {
                font-size: 22px;
            }
            .cta-actions {
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
            }

            .news-card-thumb {
                height: 150px;
            }
            .news-card h3 {
                font-size: 15px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 13px;
            }

            .compare-col {
                padding: 14px;
            }
            .compare-col-header {
                font-size: 14px;
            }
            .compare-col-item {
                font-size: 12px;
                padding: 10px 0;
                min-height: 40px;
            }

            .strategy-main {
                min-height: 200px;
            }
            .strategy-main-overlay {
                padding: 16px;
            }
            .strategy-main-overlay h3 {
                font-size: 17px;
            }
            .strategy-mini {
                padding: 12px;
            }
            .strategy-mini-img {
                width: 56px;
                height: 44px;
            }

            .tool-card {
                padding: 16px;
            }
            .tool-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand p {
                font-size: 12px;
            }
            .footer-col h4 {
                font-size: 14px;
            }
            .footer-col a {
                font-size: 12px;
            }

            .btn {
                padding: 10px 20px;
                font-size: 14px;
                min-height: 44px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
                min-height: 48px;
            }
            .btn-sm {
                padding: 6px 14px;
                font-size: 12px;
                min-height: 34px;
            }
        }

        @media (max-width: 360px) {
            .btn {
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .container {
                padding: 0 8px;
            }
            .hero-title {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #10313A;
            --primary-hover: #1B4B59;
            --secondary: #B28B3D;
            --accent: #D97706;
            --accent-hover: #B76104;
            --ink: #1A1A1A;
            --bg: #F7F4EE;
            --bg-alt: #E8EEE9;
            --muted: #6B6B6B;
            --border: #D9D4CA;
            --success: #2F7D4E;
            --danger: #B4422F;
            --white: #FFFFFF;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 10px rgba(16,49,58,0.06);
            --shadow-md: 0 8px 28px rgba(16,49,58,0.12);
            --shadow-lg: 0 16px 40px rgba(16,49,58,0.16);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
            --font-mono: "DIN Alternate", "SF Mono", "Consolas", "Courier New", monospace;
            --section-pad: 64px;
            --card-pad: 24px;
            --container-max: 1200px;
            --gap: 24px;
            --nav-height: 68px;
            --announce-height: 36px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background-color: var(--bg);
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

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

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

        /* ========== 公告栏 ========== */
        .announce-bar {
            background: var(--primary);
            color: var(--white);
            font-size: 12px;
            min-height: var(--announce-height);
            display: flex;
            align-items: center;
            padding: 4px 0;
        }
        .announce-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .announce-bar span {
            opacity: 0.92;
            letter-spacing: 0.3px;
        }
        .announce-close {
            color: var(--white);
            opacity: 0.7;
            font-size: 16px;
            padding: 2px 6px;
            border-radius: 4px;
            line-height: 1;
            min-width: 24px;
            min-height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: opacity 0.2s ease;
        }
        .announce-close:hover {
            opacity: 1;
            color: var(--white);
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 900;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(16,49,58,0.08);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary) 50%, var(--secondary) 50%);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .logo-icon::after {
            content: "";
            width: 12px;
            height: 12px;
            border: 2px solid var(--white);
            border-radius: 3px;
            transform: rotate(45deg);
        }
        .logo-text {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--secondary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            padding: 10px 14px;
            border-radius: 6px;
            transition: background 0.2s ease, color 0.2s ease;
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--secondary);
            background: rgba(178,139,61,0.06);
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-cta .btn {
            padding: 10px 22px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--white);
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 8px;
            padding: 12px 28px;
            font-size: 15px;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            white-space: nowrap;
            min-height: 44px;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(16,49,58,0.25);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(16,49,58,0.06);
            color: var(--primary);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--white);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(217,119,6,0.28);
            transform: translateY(-1px);
        }

        /* ========== 分类hero ========== */
        .category-hero {
            padding: var(--section-pad) 0 48px;
            background: linear-gradient(180deg, #FAF8F3 0%, var(--bg) 100%);
        }
        .category-hero-grid {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 32px;
            align-items: start;
        }
        .filter-sidebar {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
            box-shadow: var(--shadow-sm);
        }
        .filter-sidebar h2 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
            letter-spacing: 0.3px;
        }
        .filter-group {
            margin-bottom: 18px;
        }
        .filter-group:last-child {
            margin-bottom: 0;
        }
        .filter-group h3 {
            font-size: 13px;
            font-weight: 600;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .filter-group a {
            display: block;
            font-size: 14px;
            color: var(--ink);
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s ease, color 0.2s ease;
            border-left: 2px solid transparent;
        }
        .filter-group a:hover {
            background: rgba(178,139,61,0.06);
            color: var(--secondary);
            border-left-color: var(--secondary);
        }
        .filter-tip {
            margin-top: 16px;
            padding: 12px;
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            font-size: 12px;
            color: var(--muted);
            line-height: 1.6;
            border: 1px solid var(--border);
        }
        .category-main h1 {
            font-size: 34px;
            font-weight: 700;
            font-family: var(--font-serif);
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .category-main .category-desc {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 760px;
        }
        .category-main .category-desc strong {
            color: var(--primary);
            font-weight: 600;
        }
        .plan-banner-img {
            margin-bottom: 28px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .plan-banner-img img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            object-fit: cover;
            aspect-ratio: 21/7;
        }

        /* ========== 方案卡片 ========== */
        .plan-cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--gap);
        }
        .plan-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--card-pad);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .plan-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--secondary);
            border-radius: var(--radius) 0 0 var(--radius);
            opacity: 0.7;
        }
        .plan-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .plan-card-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 12px;
        }
        .plan-card-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
        }
        .plan-card-badge {
            flex-shrink: 0;
            font-size: 11px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(178,139,61,0.1);
            padding: 4px 10px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .plan-card-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .plan-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }
        .plan-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            color: var(--ink);
            background: var(--bg-alt);
            padding: 5px 10px;
            border-radius: 4px;
            border: 1px solid var(--border);
        }
        .plan-tag em {
            font-style: normal;
            color: var(--secondary);
            font-weight: 700;
            font-family: var(--font-mono);
        }
        .plan-card-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px dashed var(--border);
        }
        .plan-card-foot a {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: color 0.2s ease;
        }
        .plan-card-foot a:hover {
            color: var(--secondary);
        }
        .plan-arrow {
            font-size: 16px;
            color: var(--secondary);
        }

        /* ========== 对比板块 ========== */
        .compare-section {
            padding: var(--section-pad) 0;
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 40px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            font-family: var(--font-serif);
            letter-spacing: 0.5px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
        }
        .compare-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .compare-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--card-pad);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .compare-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .compare-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary);
            display: inline-block;
        }
        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--ink);
            padding: 6px 0;
            line-height: 1.6;
        }
        .compare-list li::before {
            content: "✓";
            color: var(--success);
            font-weight: 700;
            flex-shrink: 0;
            font-size: 14px;
            margin-top: 1px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--section-pad) 0;
            background: var(--bg-alt);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow 0.3s ease;
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
            transition: background 0.2s ease;
            min-height: 52px;
            text-align: left;
            width: 100%;
            background: none;
            border: none;
        }
        .faq-question:hover {
            background: rgba(16,49,58,0.03);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--muted);
            transition: transform 0.3s ease, color 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--secondary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        /* ========== 风控提示条 ========== */
        .risk-strip {
            padding: 32px 0;
            background: var(--primary);
            background-image: linear-gradient(135deg, var(--primary) 0%, #1B4B59 100%);
        }
        .risk-strip .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .risk-strip-left {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1;
            min-width: 260px;
        }
        .risk-strip-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(178,139,61,0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 20px;
            color: var(--secondary);
            border: 1px solid rgba(178,139,61,0.4);
        }
        .risk-strip-text h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 4px;
        }
        .risk-strip-text p {
            font-size: 13px;
            color: rgba(255,255,255,0.75);
            margin: 0;
            line-height: 1.6;
        }
        .risk-strip .btn-outline {
            border-color: var(--secondary);
            color: var(--secondary);
            background: transparent;
        }
        .risk-strip .btn-outline:hover {
            background: rgba(178,139,61,0.15);
            color: var(--secondary);
        }

        /* ========== 策略入口 ========== */
        .strategy-section {
            padding: var(--section-pad) 0;
            background: var(--white);
        }
        .strategy-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 28px;
            align-items: stretch;
        }
        .strategy-feature {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            min-height: 280px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .strategy-feature:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .strategy-feature img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
            min-height: 280px;
        }
        .strategy-feature-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(16,49,58,0.9) 20%, rgba(16,49,58,0.2) 100%);
            border-radius: var(--radius-lg);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 28px;
            color: var(--white);
        }
        .strategy-feature-overlay .tag {
            display: inline-flex;
            align-self: flex-start;
            font-size: 11px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(178,139,61,0.2);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            border: 1px solid rgba(178,139,61,0.4);
        }
        .strategy-feature-overlay h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .strategy-feature-overlay p {
            font-size: 13px;
            opacity: 0.85;
            margin: 0 0 14px;
            line-height: 1.7;
        }
        .strategy-feature-overlay a {
            color: var(--secondary);
            font-size: 14px;
            font-weight: 600;
            align-self: flex-start;
        }
        .strategy-mini-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .strategy-mini-item {
            display: flex;
            gap: 14px;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 14px 16px;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .strategy-mini-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateX(3px);
        }
        .strategy-mini-item img {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .strategy-mini-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .strategy-mini-item p {
            font-size: 12px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== CTA转化区 ========== */
        .cta-section {
            padding: var(--section-pad) 0;
            background: var(--primary);
            background-image: linear-gradient(135deg, var(--primary) 0%, #1B4B59 60%, #10313A 100%);
        }
        .cta-box {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            font-family: var(--font-serif);
            letter-spacing: 0.5px;
        }
        .cta-box p {
            font-size: 15px;
            color: rgba(255,255,255,0.78);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .cta-box .btn-accent {
            font-size: 16px;
            padding: 14px 36px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand .logo-text {
            color: var(--white);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            opacity: 0.75;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            padding: 4px 0;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 12px;
            opacity: 0.6;
            margin: 0;
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.6);
            text-decoration: underline;
            transition: color 0.2s ease;
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }
        .footer-risk {
            font-size: 12px;
            color: rgba(255,200,180,0.75);
            line-height: 1.7;
            padding: 12px 16px;
            background: rgba(180,66,47,0.15);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--danger);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .category-hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .filter-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .filter-sidebar h2 {
                grid-column: 1 / -1;
                margin-bottom: 8px;
            }
            .filter-tip {
                grid-column: 1 / -1;
            }
            .compare-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 40px;
                --card-pad: 18px;
                --nav-height: 58px;
                --gap: 16px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 8px 16px 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 14px;
                font-size: 15px;
                border-radius: 6px;
                white-space: normal;
            }
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .plan-cards-grid {
                grid-template-columns: 1fr;
            }
            .compare-cards {
                grid-template-columns: 1fr;
            }
            .filter-sidebar {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .category-main h1 {
                font-size: 26px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .risk-strip .container {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .plan-banner-img img {
                aspect-ratio: 16/7;
            }
        }

        @media (max-width: 520px) {
            .category-main h1 {
                font-size: 23px;
            }
            .plan-card {
                padding: 16px;
            }
            .plan-card-name {
                font-size: 16px;
            }
            .btn {
                width: 100%;
                padding: 12px 20px;
                font-size: 14px;
            }
            .risk-strip-text h3 {
                font-size: 15px;
            }
        }

/* roulang page: article */
:root {
            --primary: #10313A;
            --primary-hover: #1B4B59;
            --secondary: #B28B3D;
            --accent: #D97706;
            --accent-hover: #B76104;
            --ink: #1A1A1A;
            --bg: #F7F4EE;
            --bg-alt: #E8EEE9;
            --muted: #6B6B6B;
            --border: #D9D4CA;
            --success: #2F7D4E;
            --danger: #B4422F;
            --white: #FFFFFF;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 10px rgba(16,49,58,0.06);
            --shadow-md: 0 8px 28px rgba(16,49,58,0.12);
            --shadow-lg: 0 16px 40px rgba(16,49,58,0.16);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
            --font-mono: "DIN Alternate", "SF Mono", "Consolas", "Courier New", monospace;
            --section-pad: 64px;
            --card-pad: 24px;
            --container-max: 1200px;
            --gap: 24px;
            --nav-height: 68px;
            --announce-height: 36px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background-color: var(--bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 820px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ============ 公告栏 ============ */
        .announce-bar {
            background: var(--primary);
            color: #F7F4EE;
            font-size: 12px;
            min-height: var(--announce-height);
            padding: 8px 0;
            line-height: 1.4;
        }
        .announce-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .announce-text {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .announce-text .badge-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
            flex-shrink: 0;
        }
        .announce-close {
            color: rgba(247,244,238,0.7);
            font-size: 16px;
            padding: 4px 8px;
            border-radius: 4px;
            transition: color 0.2s ease, background 0.2s ease;
            line-height: 1;
            min-width: 28px;
            min-height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .announce-close:hover {
            color: #fff;
            background: rgba(255,255,255,0.1);
        }

        /* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 900;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(16,49,58,0.08);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary) 50%, var(--secondary) 50%);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .logo-icon::after {
            content: "";
            width: 12px;
            height: 12px;
            border: 2px solid var(--white);
            border-radius: 3px;
            transform: rotate(45deg);
        }
        .logo-text {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--secondary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            padding: 10px 14px;
            border-radius: 6px;
            transition: background 0.2s ease, color 0.2s ease;
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--secondary);
            background: rgba(178,139,61,0.06);
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-cta .btn {
            padding: 10px 22px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--white);
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            background: var(--white);
            border-top: 1px solid var(--border);
            padding: 12px 20px 20px;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            padding: 14px 4px;
            border-bottom: 1px solid var(--border);
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--secondary);
            padding-left: 10px;
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 8px;
            padding: 12px 28px;
            font-size: 15px;
            transition: all 0.25s ease;
            line-height: 1.4;
            text-align: center;
            min-height: 44px;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(16,49,58,0.25);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(16,49,58,0.06);
            color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--white);
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(217,119,6,0.3);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            min-height: 36px;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            min-height: 52px;
        }

        /* ============ 面包屑 ============ */
        .article-breadcrumb {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--muted);
        }
        .breadcrumb-nav a {
            color: var(--muted);
            transition: color 0.2s ease;
        }
        .breadcrumb-nav a:hover {
            color: var(--secondary);
        }
        .breadcrumb-sep {
            color: var(--border);
            font-size: 12px;
            user-select: none;
        }
        .breadcrumb-current {
            color: var(--primary);
            font-weight: 500;
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ============ 文章头部 ============ */
        .article-hero {
            background: var(--white);
            padding: 40px 0 48px;
            border-bottom: 1px solid var(--border);
        }
        .article-hero-inner {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(178,139,61,0.08);
            padding: 4px 14px;
            border-radius: 100px;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .article-category-tag::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }
        .article-title {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--ink);
            margin: 0 0 20px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--muted);
        }
        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-item .meta-icon {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 9px;
            color: var(--secondary);
        }
        .article-cover-wrap {
            max-width: 860px;
            margin: 32px auto 0;
            padding: 0 20px;
        }
        .article-cover {
            width: 100%;
            aspect-ratio: 16/8;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        /* ============ 正文阅读区 ============ */
        .article-main {
            background: var(--white);
            padding: 48px 0 64px;
        }
        .article-body-wrap {
            max-width: 820px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .article-body {
            font-size: 16px;
            line-height: 1.85;
            color: #2A2A2A;
        }
        .article-body h2 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin: 36px 0 16px;
            line-height: 1.4;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(178,139,61,0.2);
        }
        .article-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin: 28px 0 12px;
            line-height: 1.45;
        }
        .article-body h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin: 22px 0 10px;
        }
        .article-body p {
            margin: 0 0 18px;
            color: #3A3A3A;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px;
            padding-left: 24px;
            color: #3A3A3A;
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 8px;
        }
        .article-body ul li::marker {
            color: var(--secondary);
        }
        .article-body ol li::marker {
            color: var(--secondary);
            font-weight: 700;
        }
        .article-body blockquote {
            margin: 24px 0;
            padding: 18px 24px;
            border-left: 4px solid var(--secondary);
            background: rgba(178,139,61,0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #4A4A4A;
            font-style: normal;
            font-size: 15px;
            line-height: 1.75;
        }
        .article-body blockquote p {
            margin: 0;
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body a {
            color: var(--primary);
            border-bottom: 1px solid rgba(16,49,58,0.25);
            transition: color 0.2s ease, border-color 0.2s ease;
        }
        .article-body a:hover {
            color: var(--secondary);
            border-color: var(--secondary);
        }
        .article-body strong {
            color: var(--ink);
            font-weight: 700;
        }
        .article-body table {
            width: 100%;
            margin: 24px 0;
            border-collapse: collapse;
            font-size: 14px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .article-body table th,
        .article-body table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        .article-body table th {
            background: var(--primary);
            color: var(--white);
            font-weight: 600;
        }
        .article-body table tr:nth-child(even) td {
            background: var(--bg);
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 32px 0;
        }
        .article-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--muted);
        }
        .article-empty p {
            font-size: 18px;
            margin-bottom: 20px;
        }

        /* ============ 配资要点摘要卡 ============ */
        .article-keypoints {
            background: var(--bg-alt);
            padding: 48px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .keypoints-title {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .keypoints-sub {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 28px;
        }
        .keypoints-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
        }
        .keypoint-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 20px;
            border: 1px solid rgba(16,49,58,0.08);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }
        .keypoint-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .keypoint-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            display: block;
        }
        .keypoint-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .keypoint-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ============ 相关推荐 ============ */
        .related-section {
            background: var(--bg);
            padding: 56px 0;
        }
        .related-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .related-title {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin: 0;
        }
        .related-sub {
            font-size: 14px;
            color: var(--muted);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .related-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(16,49,58,0.08);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .related-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .related-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(178,139,61,0.08);
            padding: 2px 10px;
            border-radius: 100px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .related-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.45;
            margin-bottom: 8px;
            flex: 1;
        }
        .related-card-meta {
            font-size: 12px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ============ 上一篇/下一篇 ============ */
        .prev-next-section {
            background: var(--white);
            padding: 32px 0;
            border-top: 1px solid var(--border);
        }
        .prev-next-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gap);
            max-width: 860px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .prev-next-link {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--bg);
            border-radius: var(--radius);
            padding: 16px 20px;
            border: 1px solid rgba(16,49,58,0.08);
            transition: all 0.25s ease;
            min-height: 72px;
        }
        .prev-next-link:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
            background: var(--bg-alt);
        }
        .prev-next-link.next-link {
            flex-direction: row-reverse;
            text-align: right;
        }
        .prev-next-arrow {
            font-size: 18px;
            color: var(--secondary);
            flex-shrink: 0;
            font-weight: 700;
        }
        .prev-next-text {
            flex: 1;
            min-width: 0;
        }
        .prev-next-label {
            font-size: 11px;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 2px;
        }
        .prev-next-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.4;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ============ 轻CTA ============ */
        .article-cta {
            background: var(--primary);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(178,139,61,0.1);
            pointer-events: none;
        }
        .article-cta::after {
            content: "";
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(217,119,6,0.08);
            pointer-events: none;
        }
        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .cta-desc {
            font-size: 15px;
            color: rgba(247,244,238,0.8);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============ 风险提示 ============ */
        .article-risk-note {
            background: var(--bg);
            padding: 24px 0;
            border-top: 1px solid var(--border);
        }
        .risk-note-box {
            max-width: 860px;
            margin: 0 auto;
            padding: 16px 20px;
            background: rgba(180,66,47,0.05);
            border: 1px solid rgba(180,66,47,0.2);
            border-radius: var(--radius);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .risk-note-icon {
            font-size: 16px;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .risk-note-text {
            font-size: 13px;
            color: var(--danger);
            line-height: 1.7;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--primary);
            color: rgba(247,244,238,0.8);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand .logo-text {
            color: var(--white);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(247,244,238,0.65);
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(247,244,238,0.65);
            padding: 4px 0;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(247,244,238,0.12);
            padding-top: 20px;
        }
        .footer-bottom p {
            font-size: 12px;
            margin-bottom: 10px;
            color: rgba(247,244,238,0.5);
        }
        .footer-bottom a {
            color: rgba(247,244,238,0.65);
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }
        .footer-risk {
            font-size: 12px;
            color: rgba(247,244,238,0.45);
            background: rgba(180,66,47,0.15);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            line-height: 1.7;
            margin-top: 12px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1023px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 10px 8px;
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .keypoints-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-pad: 40px;
                --card-pad: 16px;
                --nav-height: 58px;
                --gap: 16px;
            }
            .container {
                padding: 0 12px;
            }
            .container-narrow {
                padding: 0 12px;
            }
            .hamburger {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .mobile-menu.open {
                display: block;
            }
            .article-title {
                font-size: 26px;
            }
            .article-hero {
                padding: 28px 0 36px;
            }
            .article-main {
                padding: 32px 0 44px;
            }
            .article-body {
                font-size: 15px;
                line-height: 1.8;
            }
            .article-body h2 {
                font-size: 21px;
                margin: 28px 0 14px;
            }
            .article-body h3 {
                font-size: 17px;
                margin: 22px 0 10px;
            }
            .keypoints-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .prev-next-grid {
                grid-template-columns: 1fr;
                padding: 0 12px;
            }
            .prev-next-link.next-link {
                flex-direction: row;
                text-align: left;
            }
            .cta-title {
                font-size: 22px;
            }
            .cta-actions {
                flex-direction: column;
                gap: 10px;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .article-meta {
                gap: 12px;
                font-size: 12px;
            }
            .breadcrumb-current {
                max-width: 160px;
            }
            .article-cover-wrap {
                padding: 0 12px;
                margin-top: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                font-size: 12px;
            }
            .prev-next-title {
                white-space: normal;
                overflow: visible;
            }
        }
        @media (max-width: 360px) {
            .btn {
                width: 100%;
            }
            .article-title {
                font-size: 23px;
            }
            .announce-text {
                font-size: 11px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #10313A;
            --primary-hover: #1B4B59;
            --secondary: #B28B3D;
            --accent: #D97706;
            --accent-hover: #B76104;
            --ink: #1A1A1A;
            --bg: #F7F4EE;
            --bg-alt: #E8EEE9;
            --muted: #6B6B6B;
            --border: #D9D4CA;
            --success: #2F7D4E;
            --danger: #B4422F;
            --white: #FFFFFF;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 10px rgba(16,49,58,0.06);
            --shadow-md: 0 8px 28px rgba(16,49,58,0.12);
            --shadow-lg: 0 16px 40px rgba(16,49,58,0.16);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
            --font-mono: "DIN Alternate", "SF Mono", "Consolas", "Courier New", monospace;
            --section-pad: 64px;
            --card-pad: 24px;
            --container-max: 1200px;
            --gap: 24px;
            --nav-height: 68px;
            --announce-height: 36px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background-color: var(--bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        /* 公告栏 */
        .announce-bar {
            background: var(--primary);
            color: var(--bg);
            font-size: 12px;
            line-height: var(--announce-height);
            height: var(--announce-height);
            overflow: hidden;
        }
        .announce-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            height: 100%;
        }
        .announce-bar .announce-close {
            color: var(--bg);
            font-size: 16px;
            background: transparent;
            border: none;
            cursor: pointer;
            min-width: 36px;
            min-height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 4px;
            transition: background 0.2s ease;
        }
        .announce-bar .announce-close:hover {
            background: rgba(255,255,255,0.15);
        }
        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 900;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(16,49,58,0.08);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary) 50%, var(--secondary) 50%);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .logo-icon::after {
            content: "";
            width: 12px;
            height: 12px;
            border: 2px solid var(--white);
            border-radius: 3px;
            transform: rotate(45deg);
        }
        .logo-text {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--secondary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            padding: 10px 14px;
            border-radius: 6px;
            transition: background 0.2s ease, color 0.2s ease;
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--secondary);
            background: rgba(178,139,61,0.06);
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-cta .btn {
            padding: 10px 22px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--white);
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .hamburger.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.is-open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 8px;
            padding: 12px 28px;
            font-size: 15px;
            transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
            text-align: center;
            border: none;
            min-height: 44px;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(16,49,58,0.25);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-secondary:hover {
            background: rgba(16,49,58,0.06);
            color: var(--primary);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--white);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(217,119,6,0.3);
        }
        /* 板块通用 */
        section {
            padding: var(--section-pad) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--primary);
            color: var(--white);
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--ink);
            margin-bottom: 12px;
        }
        .section-dark .section-title {
            color: var(--white);
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 28px;
            max-width: 680px;
        }
        .section-dark .section-subtitle {
            color: rgba(255,255,255,0.7);
        }
        /* 首屏分类专用 */
        .cat2-hero {
            background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
            padding: 72px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .cat2-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 35%;
            height: 100%;
            background: linear-gradient(90deg, transparent 0%, rgba(178,139,61,0.08) 100%);
            pointer-events: none;
        }
        .cat2-hero .container {
            position: relative;
            z-index: 2;
        }
        .cat2-hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 40px;
            align-items: center;
        }
        .cat2-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 16px;
            font-family: var(--font-serif);
        }
        .cat2-hero h1 span {
            color: var(--secondary);
        }
        .cat2-hero .hero-desc {
            font-size: 16px;
            color: var(--muted);
            margin-bottom: 20px;
            max-width: 540px;
            line-height: 1.75;
        }
        .hero-keywords {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }
        .hero-keywords .kw-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 12px;
            white-space: nowrap;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        /* 步骤时间轴 */
        .timeline-strip {
            display: flex;
            gap: 0;
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            overflow-x: auto;
        }
        .timeline-strip li {
            flex: 1;
            min-width: 100px;
            text-align: center;
            position: relative;
            padding: 0 6px;
        }
        .timeline-strip li:not(:last-child)::after {
            content: "";
            position: absolute;
            top: 24px;
            right: -50%;
            width: 100%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }
        .timeline-strip li.completed:not(:last-child)::after {
            background: var(--secondary);
        }
        .timeline-step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--white);
            border: 2px solid var(--border);
            color: var(--muted);
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-mono);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 8px;
            position: relative;
            z-index: 1;
            transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
        }
        .timeline-strip li.completed .timeline-step-num {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--white);
        }
        .timeline-strip li.completed .timeline-step-num::after {
            content: "✓";
            font-size: 16px;
        }
        .timeline-step-num .num-text {
            display: inline;
        }
        .timeline-strip li.completed .timeline-step-num .num-text {
            display: none;
        }
        .timeline-step-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--ink);
            white-space: nowrap;
        }
        .timeline-strip li.completed .timeline-step-label {
            color: var(--primary);
        }
        /* 条件筛选卡 */
        .filter-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }
        .filter-card h2 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .filter-group {
            margin-bottom: 16px;
        }
        .filter-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--muted);
            margin-bottom: 6px;
        }
        .filter-group select,
        .filter-group input {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 14px;
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink);
            transition: border-color 0.25s ease;
        }
        .filter-group select:focus,
        .filter-group input:focus {
            border-color: var(--secondary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(178,139,61,0.15);
        }
        .filter-result-hint {
            font-size: 13px;
            color: var(--muted);
            text-align: center;
            margin-top: 12px;
        }
        .filter-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
        }
        /* 流程手风琴卡 */
        .flow-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .flow-acc-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .flow-acc-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: #c9c2b5;
        }
        .flow-acc-header {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            transition: background 0.2s ease;
            user-select: none;
        }
        .flow-acc-header:hover {
            background: rgba(178,139,61,0.04);
        }
        .flow-acc-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-alt);
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-mono);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .flow-acc-title {
            flex: 1;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
        }
        .flow-acc-toggle {
            font-size: 20px;
            color: var(--muted);
            transition: transform 0.3s ease;
        }
        .flow-acc-item.open .flow-acc-toggle {
            transform: rotate(45deg);
            color: var(--secondary);
        }
        .flow-acc-body {
            display: none;
            padding: 0 20px 20px 80px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }
        .flow-acc-item.open .flow-acc-body {
            display: block;
        }
        .flow-acc-body ul {
            list-style: none;
            padding: 0;
            margin: 10px 0 0;
        }
        .flow-acc-body ul li {
            padding: 4px 0 4px 18px;
            position: relative;
        }
        .flow-acc-body ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 12px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }
        /* 条件筛选区布局 */
        .filter-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 28px;
        }
        .filter-sidebar {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            position: sticky;
            top: calc(var(--nav-height) + var(--announce-height) + 20px);
            height: fit-content;
        }
        .filter-sidebar h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .filter-sidebar .filter-option {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s ease;
            font-size: 14px;
            color: var(--ink);
            margin-bottom: 4px;
        }
        .filter-sidebar .filter-option:hover {
            background: rgba(178,139,61,0.06);
        }
        .filter-sidebar .filter-option input[type="radio"] {
            accent-color: var(--secondary);
            width: 16px;
            height: 16px;
            cursor: pointer;
        }
        .filter-option-label {
            font-weight: 500;
            cursor: pointer;
        }
        .condition-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 16px;
        }
        .condition-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .condition-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .condition-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .condition-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 0;
        }
        .condition-card .badge-row {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .badge-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            background: rgba(178,139,61,0.12);
            color: var(--secondary);
            white-space: nowrap;
        }
        /* 材料清单 */
        .material-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 14px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .material-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 16px;
            font-size: 14px;
            color: var(--ink);
            transition: box-shadow 0.25s ease;
        }
        .material-list li:hover {
            box-shadow: var(--shadow-sm);
        }
        .material-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: var(--bg-alt);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
        }
        /* 审核标准 */
        .standard-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 16px;
        }
        .standard-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            text-align: center;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .standard-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .standard-item .s-num {
            font-size: 24px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--secondary);
            display: block;
            margin-bottom: 8px;
        }
        .standard-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .standard-item p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            overflow: hidden;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: #c9c2b5;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            user-select: none;
            transition: background 0.2s ease;
        }
        .faq-question:hover {
            background: rgba(178,139,61,0.04);
        }
        .faq-icon {
            font-size: 20px;
            color: var(--muted);
            flex-shrink: 0;
            transition: transform 0.3s ease, color 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--secondary);
        }
        .faq-answer {
            display: none;
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* CTA */
        .cta-panel {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            color: var(--white);
        }
        .cta-panel h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            font-family: var(--font-serif);
        }
        .cta-panel p {
            font-size: 15px;
            color: rgba(255,255,255,0.75);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        /* 案例入口 */
        .case-entry {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
        }
        .case-entry-img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .case-entry-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .case-entry-content p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .case-entry-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .case-entry-list li {
            padding: 6px 0 6px 18px;
            position: relative;
            font-size: 14px;
            color: var(--ink);
        }
        .case-entry-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 14px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
        }
        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.75);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand .logo-text {
            color: var(--white);
        }
        .footer-brand .logo-text span {
            color: var(--secondary);
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            padding: 4px 0;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: rgba(255,255,255,0.5);
            margin-bottom: 8px;
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.6);
            text-decoration: underline;
        }
        .footer-risk {
            font-size: 12px;
            color: rgba(255,255,255,0.4);
            line-height: 1.6;
            max-width: 800px;
            margin: 0 auto;
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 48px;
                --card-pad: 20px;
            }
            .cat2-hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cat2-hero h1 {
                font-size: 30px;
            }
            .filter-layout {
                grid-template-columns: 1fr;
            }
            .filter-sidebar {
                position: static;
            }
            .case-entry {
                grid-template-columns: 1fr;
            }
            .case-entry-img {
                height: 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-pad: 40px;
                --card-pad: 16px;
                --nav-height: 58px;
                --gap: 16px;
            }
            body {
                font-size: 14px;
            }
            .announce-bar {
                font-size: 11px;
                text-align: center;
            }
            .nav-cta {
                display: none;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                background: var(--white);
                border-top: 1px solid var(--border);
                padding: 8px 16px;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-links.is-open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 14px;
                font-size: 16px;
                border-radius: 6px;
            }
            .nav-links a.active::after {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .logo-text {
                font-size: 16px;
            }
            .cat2-hero {
                padding: 40px 0 32px;
            }
            .cat2-hero h1 {
                font-size: 26px;
            }
            .cat2-hero .hero-desc {
                font-size: 14px;
            }
            .hero-keywords .kw-tag {
                font-size: 11px;
                padding: 3px 8px;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
            .timeline-strip {
                flex-direction: column;
                gap: 8px;
                overflow-x: visible;
            }
            .timeline-strip li {
                display: flex;
                align-items: center;
                gap: 12px;
                text-align: left;
                min-width: auto;
                padding: 0;
            }
            .timeline-strip li:not(:last-child)::after {
                display: none;
            }
            .timeline-step-num {
                width: 36px;
                height: 36px;
                font-size: 14px;
                margin: 0;
                flex-shrink: 0;
            }
            .timeline-step-label {
                white-space: normal;
                font-size: 13px;
            }
            .filter-card {
                padding: 18px 16px;
            }
            .filter-img {
                height: 120px;
            }
            .section-title {
                font-size: 22px;
            }
            .flow-acc-header {
                padding: 14px 16px;
                gap: 10px;
            }
            .flow-acc-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .flow-acc-title {
                font-size: 14px;
            }
            .flow-acc-body {
                padding: 0 16px 16px 62px;
                font-size: 13px;
            }
            .condition-cards {
                grid-template-columns: 1fr;
            }
            .material-list {
                grid-template-columns: 1fr;
            }
            .standard-grid {
                grid-template-columns: 1fr;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 16px 14px;
            }
            .cta-panel {
                padding: 32px 20px;
            }
            .cta-panel h2 {
                font-size: 22px;
            }
            .case-entry-img {
                height: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand p {
                font-size: 12px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                min-height: 44px;
            }
        }
        @media (max-width: 360px) {
            .btn {
                width: 100%;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .cat2-hero h1 {
                font-size: 22px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #10313A;
            --primary-hover: #1B4B59;
            --secondary: #B28B3D;
            --accent: #D97706;
            --accent-hover: #B76104;
            --ink: #1A1A1A;
            --bg: #F7F4EE;
            --bg-alt: #E8EEE9;
            --muted: #6B6B6B;
            --border: #D9D4CA;
            --success: #2F7D4E;
            --danger: #B4422F;
            --white: #FFFFFF;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 10px rgba(16,49,58,0.06);
            --shadow-md: 0 8px 28px rgba(16,49,58,0.12);
            --shadow-lg: 0 16px 40px rgba(16,49,58,0.16);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
            --font-mono: "DIN Alternate", "SF Mono", "Consolas", "Courier New", monospace;
            --section-pad: 64px;
            --card-pad: 24px;
            --container-max: 1200px;
            --gap: 24px;
            --nav-height: 68px;
            --announce-height: 36px;
        }
html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--ink);
            background-color: var(--bg);
            overflow-x: hidden;
        }
img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
a:hover {
            color: var(--secondary);
        }
a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }
button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
        }
.container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
section {
            padding: var(--section-pad) 0;
        }
.section-alt {
            background-color: var(--bg-alt);
        }
.section-dark {
            background-color: var(--primary);
            color: var(--white);
        }
.section-dark h2,
        .section-dark h3 {
            color: var(--white);
        }
.section-dark .text-muted-custom {
            color: rgba(255,255,255,0.72);
        }
.text-muted-custom {
            color: var(--muted);
        }
.serif-title {
            font-family: var(--font-serif);
            font-weight: 700;
            letter-spacing: 0.5px;
        }
.mono-num {
            font-family: var(--font-mono);
            font-weight: 700;
        }
/* ============ 公告栏 ============ */
        .announce-bar {
            background: var(--primary);
            color: rgba(255,255,255,0.92);
            font-size: 12px;
            min-height: var(--announce-height);
            display: flex;
            align-items: center;
            line-height: 1.4;
        }
.announce-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
.announce-close {
            color: rgba(255,255,255,0.8);
            font-size: 16px;
            padding: 4px 8px;
            min-width: 28px;
            min-height: 28px;
            border-radius: 4px;
            transition: background 0.2s ease, color 0.2s ease;
            flex-shrink: 0;
        }
.announce-close:hover {
            background: rgba(255,255,255,0.12);
            color: var(--white);
        }
/* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 900;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s ease;
        }
.site-header.scrolled {
            box-shadow: 0 4px 16px rgba(16,49,58,0.08);
        }
.nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: 16px;
        }
.logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
.logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary) 50%, var(--secondary) 50%);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
.logo-icon::after {
            content: "";
            width: 12px;
            height: 12px;
            border: 2px solid var(--white);
            border-radius: 3px;
            transform: rotate(45deg);
        }
.logo-text {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
.logo-text span {
            color: var(--secondary);
        }
.nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
.nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            padding: 10px 14px;
            border-radius: 6px;
            transition: background 0.2s ease, color 0.2s ease;
            white-space: nowrap;
            position: relative;
        }
.nav-links a:hover,
        .nav-links a.active {
            color: var(--secondary);
            background: rgba(178,139,61,0.06);
        }
.nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }
.nav-cta {
            flex-shrink: 0;
        }
.nav-cta .btn {
            padding: 10px 22px;
            font-size: 14px;
        }
.hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--white);
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
        }
.hamburger span {
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
.hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
.hamburger.open span:nth-child(2) {
            opacity: 0;
        }
.hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
/* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            transition: background 0.3s ease, box-shadow 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
            white-space: nowrap;
            line-height: 1.5;
        }
.btn-primary {
            background: var(--primary);
            color: var(--white);
        }
.btn-primary:hover {
            background: var(--primary-hover);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(16,49,58,0.25);
            transform: translateY(-1px);
        }
.btn-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
.btn-outline:hover {
            background: rgba(16,49,58,0.06);
            color: var(--primary);
            transform: translateY(-1px);
        }
.btn-accent {
            background: var(--accent);
            color: var(--white);
        }
.btn-accent:hover {
            background: var(--accent-hover);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(217,119,6,0.35);
            transform: translateY(-1px);
        }
.btn-light-outline {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.5);
            color: var(--white);
        }
.btn-light-outline:hover {
            background: rgba(255,255,255,0.1);
            color: var(--white);
        }
/* ============ 卡片 ============ */
        .card-custom {
            background: var(--white);
            border: 1px solid rgba(16,49,58,0.08);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: var(--card-pad);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            height: 100%;
        }
.card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(178,139,61,0.25);
        }
.badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(178,139,61,0.12);
            color: var(--secondary);
        }
.badge-success {
            background: rgba(47,125,78,0.12);
            color: var(--success);
        }
.badge-danger {
            background: rgba(180,66,47,0.1);
            color: var(--danger);
        }
/* ============ 首屏分类特有 ============ */
        .risk-hero {
            padding: 56px 0 48px;
            position: relative;
            background: linear-gradient(135deg, #F7F4EE 0%, #E8EEE9 100%);
            overflow: hidden;
        }
.risk-hero::after {
            content: "";
            position: absolute;
            top: -80px;
            right: -120px;
            width: 360px;
            height: 360px;
            background: rgba(16,49,58,0.04);
            border-radius: 50%;
            pointer-events: none;
        }
.risk-level-strip {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
.risk-level-strip .risk-level-item {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid transparent;
            transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
        }
.risk-level-strip .risk-level-item.low {
            background: rgba(47,125,78,0.1);
            color: var(--success);
            border-color: rgba(47,125,78,0.25);
        }
.risk-level-strip .risk-level-item.mid {
            background: rgba(178,139,61,0.1);
            color: var(--secondary);
            border-color: rgba(178,139,61,0.25);
        }
.risk-level-strip .risk-level-item.high {
            background: rgba(180,66,47,0.08);
            color: var(--danger);
            border-color: rgba(180,66,47,0.2);
        }
.risk-hero h1 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 38px;
            line-height: 1.35;
            color: var(--primary);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            max-width: 780px;
        }
.risk-hero .lead {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            margin-bottom: 24px;
            line-height: 1.8;
        }
.risk-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
            margin-top: 32px;
        }
.stat-block {
            background: var(--white);
            border: 1px solid rgba(16,49,58,0.06);
            border-radius: var(--radius);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
.stat-block:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
.stat-block .stat-num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.2;
            margin-bottom: 6px;
            display: block;
        }
.stat-block .stat-label {
            font-size: 13px;
            color: var(--muted);
            font-weight: 500;
        }
/* ============ 风控等级卡片 ============ */
        .risk-level-card {
            background: var(--white);
            border: 1px solid rgba(16,49,58,0.08);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            position: relative;
            overflow: hidden;
        }
.risk-level-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--secondary);
        }
.risk-level-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(178,139,61,0.25);
        }
.risk-level-card .level-tag {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            color: var(--secondary);
            margin-bottom: 8px;
            display: inline-block;
        }
.risk-level-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
.risk-level-card .level-desc {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
        }
.risk-level-card .level-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }
.risk-level-card .level-meta span {
            font-size: 12px;
            padding: 6px 12px;
            border-radius: 6px;
            background: var(--bg-alt);
            color: var(--primary);
            font-weight: 500;
        }
.risk-level-card .level-meta span.accent {
            background: rgba(178,139,61,0.1);
            color: var(--secondary);
        }
/* ============ 费用对比条 ============ */
        .fee-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            background: var(--white);
            border: 1px solid rgba(16,49,58,0.08);
            border-radius: var(--radius);
            margin-bottom: 16px;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
.fee-bar:hover {
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
.fee-bar .fee-bar-left {
            flex: 0 0 36%;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.fee-bar .fee-bar-left .fee-type {
            font-weight: 700;
            color: var(--primary);
            font-size: 16px;
        }
.fee-bar .fee-bar-left .fee-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(178,139,61,0.1);
            padding: 3px 8px;
            border-radius: 4px;
        }
.fee-bar .fee-bar-right {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 24px;
            flex-wrap: wrap;
        }
.fee-bar .fee-item {
            text-align: right;
        }
.fee-bar .fee-item .fee-label {
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 2px;
        }
.fee-bar .fee-item .fee-value {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }
/* ============ 安全网格 ============ */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
        }
.safety-item {
            background: var(--white);
            border: 1px solid rgba(16,49,58,0.08);
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
.safety-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
.safety-item .safety-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(47,125,78,0.12);
            color: var(--success);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 12px;
        }
.safety-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
.safety-item p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
/* ============ FAQ ============ */
        .faq-accordion-custom .accordion-item {
            border: 1px solid rgba(16,49,58,0.08);
            border-radius: var(--radius) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--white);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease;
        }
.faq-accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
.faq-accordion-custom .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            padding: 18px 20px;
            background: var(--white);
            box-shadow: none;
        }
.faq-accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(178,139,61,0.06);
            color: var(--primary);
            box-shadow: none;
        }
.faq-accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--secondary);
        }
.faq-accordion-custom .accordion-body {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            padding: 16px 20px 20px;
        }
.faq-accordion-custom .accordion-button::after {
            filter: sepia(0.4) saturate(2) hue-rotate(-10deg);
        }
/* ============ CTA ============ */
        .cta-section {
            background: var(--primary);
            color: var(--white);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
.cta-section::before {
            content: "";
            position: absolute;
            top: -100px;
            left: -100px;
            width: 300px;
            height: 300px;
            background: rgba(178,139,61,0.15);
            border-radius: 50%;
            pointer-events: none;
        }
.cta-section h2 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 30px;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
.cta-section p {
            color: rgba(255,255,255,0.72);
            font-size: 15px;
            max-width: 640px;
            margin-bottom: 24px;
        }
/* ============ 页脚 ============ */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.82);
            padding: 48px 0 24px;
        }
.site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 32px;
            margin-bottom: 32px;
        }
.site-footer .logo {
            margin-bottom: 12px;
        }
.site-footer .logo-text {
            color: var(--white);
        }
.site-footer .logo-text span {
            color: var(--secondary);
        }
.site-footer .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255,255,255,0.65);
            max-width: 320px;
        }
.site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
.site-footer .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255,255,255,0.65);
            padding: 4px 0;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
.site-footer .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
.site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255,255,255,0.5);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: flex-start;
        }
.site-footer .footer-bottom a {
            color: rgba(255,255,255,0.65);
        }
.site-footer .footer-bottom a:hover {
            color: var(--secondary);
        }
.site-footer .footer-risk {
            font-size: 11px;
            line-height: 1.7;
            color: rgba(255,180,160,0.7);
            max-width: 420px;
            padding: 10px 14px;
            background: rgba(180,66,47,0.12);
            border-radius: 6px;
            border-left: 3px solid var(--danger);
        }
/* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .risk-stats-grid,
            .safety-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
@media (max-width: 768px) {
            :root {
                --section-pad: 44px;
                --card-pad: 20px;
                --nav-height: 58px;
                --gap: 16px;
            }
            .site-header .nav-links {
                display: none;
                position: fixed;
                top: calc(var(--announce-height) + var(--nav-height));
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 20px;
                gap: 8px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 899;
                max-height: calc(100vh - var(--announce-height) - var(--nav-height));
                overflow-y: auto;
            }
            .site-header .nav-links.show {
                display: flex;
            }
            .site-header .nav-links a {
                width: 100%;
                font-size: 16px;
                padding: 14px 16px;
                border-radius: 8px;
            }
            .site-header .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr !important;
                gap: 24px !important;
            }
            .footer-brand {
                grid-column: span 2;
            }
            .risk-hero h1 {
                font-size: 28px;
            }
            .risk-stats-grid,
            .safety-grid {
                grid-template-columns: 1fr;
            }
            .fee-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .fee-bar .fee-bar-left {
                flex: 0 0 auto;
            }
            .fee-bar .fee-bar-right {
                justify-content: flex-start;
                gap: 12px;
            }
            .fee-bar .fee-item {
                text-align: left;
            }
        }
@media (max-width: 520px) {
            :root {
                --section-pad: 36px;
                --card-pad: 16px;
                --nav-height: 56px;
                --gap: 12px;
            }
            .risk-hero {
                padding: 36px 0 32px;
            }
            .risk-hero h1 {
                font-size: 24px;
            }
            .risk-level-strip {
                flex-wrap: wrap;
                gap: 6px;
            }
            .risk-level-strip .risk-level-item {
                font-size: 11px;
                padding: 6px 12px;
            }
            .stat-block .stat-num {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr !important;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 13px;
                width: 100%;
            }
            .nav-cta .btn {
                padding: 8px 16px;
                font-size: 13px;
                width: auto;
            }
            .announce-close {
                display: none;
            }
        }
.section-title-bar {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }
.section-title-bar h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            margin-bottom: 0;
        }
.section-title-bar .section-sub {
            font-size: 14px;
            color: var(--muted);
            max-width: 480px;
            line-height: 1.7;
        }
.section-title-bar .section-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            flex-shrink: 0;
        }
.section-title-bar .section-link:hover {
            color: var(--primary);
        }
.risk-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.risk-list li {
            padding: 14px 0;
            border-bottom: 1px solid rgba(16,49,58,0.06);
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-size: 14px;
            color: var(--ink);
        }
.risk-list li:last-child {
            border-bottom: none;
        }
.risk-list .risk-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--danger);
            flex-shrink: 0;
            margin-top: 7px;
        }
.risk-list .risk-dot.warning {
            background: var(--accent);
        }
.risk-list .risk-dot.success {
            background: var(--success);
        }