/* roulang page: index */
:root {
            --color-primary: #17191E;
            --color-accent: #C6A15B;
            --color-accent-hover: #D8B878;
            --color-risk: #C94F3D;
            --color-safe: #2E6B5F;
            --color-bg: #F5F3EF;
            --color-white: #FFFFFF;
            --color-text: #1D1F24;
            --color-text-secondary: #5A616A;
            --color-text-muted: #8B919A;
            --color-border: #E5E0D8;
            --color-border-dark: #2C2F36;
            --color-card-dark: #1F2127;
            --radius-sm: 4px;
            --radius-btn: 8px;
            --radius-card: 12px;
            --shadow-card: 0 6px 18px rgba(23,25,30,0.06);
            --shadow-card-hover: 0 12px 28px rgba(23,25,30,0.12);
            --shadow-risk: 0 4px 12px rgba(201,79,61,0.15);
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Inter', 'Roboto Mono', 'SF Mono', 'Menlo', monospace;
            --transition-normal: all 0.25s ease;
            --transition-fast: all 0.15s ease;
            --nav-height: 64px;
            --section-pad-desktop: 80px;
            --section-pad-tablet: 56px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--color-primary);
            z-index: 1000;
            border-bottom: 1px solid var(--color-border-dark);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .logo .logo-divider {
            width: 1px;
            height: 20px;
            background-color: var(--color-accent);
            margin: 0 2px;
        }

        .logo .logo-sub {
            font-size: 13px;
            font-weight: 400;
            color: var(--color-text-muted);
            letter-spacing: 1px;
        }

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

        .main-nav a {
            color: #D1D5DB;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
            transition: var(--transition-normal);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: var(--transition-normal);
            border-radius: 1px;
        }
        .main-nav a:hover {
            color: var(--color-white);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--color-accent);
        }
        .main-nav a.active::after {
            width: 100%;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            z-index: 1100;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-white);
            border-radius: 2px;
            transition: var(--transition-normal);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            background-color: var(--color-primary);
            padding: calc(var(--nav-height) + 72px) 0 72px;
            overflow: hidden;
            min-height: 620px;
            display: flex;
            align-items: center;
        }

        .hero .grid-bg {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }

        .hero .kline-deco {
            position: absolute;
            bottom: 0;
            right: 0;
            width: 340px;
            height: 220px;
            opacity: 0.08;
            pointer-events: none;
        }

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

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: rgba(198,161,91,0.12);
            border: 1px solid rgba(198,161,91,0.35);
            border-radius: 999px;
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .hero-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-accent);
        }

        .hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.28;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .hero h1 .highlight {
            color: var(--color-accent);
        }

        .hero-sub {
            font-size: 17px;
            color: #B8BDC6;
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 32px;
        }

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

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual img {
            border-radius: 16px;
            box-shadow: 0 24px 56px rgba(0,0,0,0.42);
            border: 1px solid rgba(198,161,91,0.25);
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .hero-visual::before {
            content: '';
            position: absolute;
            top: -18px;
            left: -18px;
            width: 120px;
            height: 120px;
            border-top: 3px solid var(--color-accent);
            border-left: 3px solid var(--color-accent);
            border-radius: 8px 0 0 0;
            opacity: 0.5;
        }
        .hero-visual::after {
            content: '';
            position: absolute;
            bottom: -18px;
            right: -18px;
            width: 120px;
            height: 120px;
            border-bottom: 3px solid var(--color-accent);
            border-right: 3px solid var(--color-accent);
            border-radius: 0 0 8px 0;
            opacity: 0.5;
        }

        /* ============ 通用section ============ */
        .section {
            padding: var(--section-pad-desktop) 0;
            background-color: var(--color-white);
        }

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

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

        .section-header {
            margin-bottom: 42px;
        }

        .section-header .kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-header.dark .kicker {
            color: var(--color-accent);
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .section-header.dark h2 {
            color: var(--color-white);
        }

        .section-header .sub {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 680px;
        }
        .section-header.dark .sub {
            color: #B8BDC6;
        }

        /* ============ 风险提示条 ============ */
        .risk-banner {
            background-color: #FDF7F5;
            border-left: 4px solid var(--color-risk);
            padding: 18px 24px;
            border-radius: 0 8px 8px 0;
            box-shadow: var(--shadow-risk);
            margin-bottom: 0;
        }
        .risk-banner .risk-text {
            font-size: 15px;
            color: #7A3028;
            line-height: 1.7;
            font-weight: 500;
        }
        .risk-banner .risk-link {
            color: var(--color-risk);
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .risk-banner .risk-link:hover {
            color: #A63D2F;
        }

        .section-risk {
            padding: 32px 0 48px;
            background-color: var(--color-white);
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: var(--transition-normal);
            letter-spacing: 0.5px;
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border: 2px solid var(--color-accent);
        }
        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(198,161,91,0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-secondary:hover {
            background-color: var(--color-primary);
            color: var(--color-white);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--color-white);
            border: 2px solid var(--color-white);
        }
        .btn-ghost:hover {
            background-color: var(--color-white);
            color: var(--color-primary);
            transform: translateY(-1px);
        }
        .btn-ghost:active {
            transform: translateY(1px);
        }
        .btn-ghost:focus-visible {
            outline: 2px solid var(--color-white);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: 6px;
        }

        /* ============ 卡片 ============ */
        .card-grid {
            display: grid;
            gap: 24px;
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-normal);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }

        .card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .card .card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card .card-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
        }
        .card .card-link::after {
            content: '→';
            margin-left: 6px;
            transition: var(--transition-normal);
        }
        .card .card-link:hover::after {
            margin-left: 10px;
        }

        .card-dark {
            background-color: var(--color-card-dark);
            border-color: var(--color-border-dark);
            box-shadow: 0 4px 14px rgba(0,0,0,0.25);
        }
        .card-dark .card-title {
            color: var(--color-white);
        }
        .card-dark .card-desc {
            color: #B8BDC6;
        }
        .card-dark .card-meta {
            color: var(--color-text-muted);
        }
        .card-dark:hover {
            border-color: var(--color-accent);
            box-shadow: 0 12px 28px rgba(0,0,0,0.35);
        }

        /* ============ 标签 ============ */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            letter-spacing: 0.5px;
            transition: var(--transition-fast);
            white-space: nowrap;
        }
        .badge-accent {
            background-color: rgba(198,161,91,0.14);
            color: #A8894A;
            border: 1px solid rgba(198,161,91,0.35);
        }
        .badge-risk {
            background-color: rgba(201,79,61,0.1);
            color: var(--color-risk);
            border: 1px solid rgba(201,79,61,0.3);
        }
        .badge-safe {
            background-color: rgba(46,107,95,0.12);
            color: var(--color-safe);
            border: 1px solid rgba(46,107,95,0.3);
        }
        .badge-neutral {
            background-color: rgba(91,97,106,0.1);
            color: var(--color-text-secondary);
            border: 1px solid rgba(91,97,106,0.2);
        }

        /* ============ 排行卡片 ============ */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .rank-item {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-normal);
        }
        .rank-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-1px);
        }

        .rank-position {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: var(--color-accent);
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .rank-position.top {
            background-color: var(--color-accent);
            color: var(--color-primary);
        }

        .rank-info {
            flex: 1;
            min-width: 200px;
        }
        .rank-info .rank-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .rank-info .rank-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 6px;
        }

        .rank-metrics {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .rank-metric {
            text-align: center;
        }
        .rank-metric .metric-label {
            display: block;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 2px;
        }
        .rank-metric .metric-value {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
        }
        .rank-metric .metric-value.risk-low {
            color: var(--color-safe);
        }
        .rank-metric .metric-value.risk-mid {
            color: #B8860B;
        }
        .rank-metric .metric-value.risk-high {
            color: var(--color-risk);
        }

        .rank-demo-note {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 12px;
            text-align: right;
        }

        /* ============ 步骤卡片 ============ */
        .step-card {
            text-align: center;
            padding: 32px 20px;
        }
        .step-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background-color: rgba(198,161,91,0.12);
            color: var(--color-accent);
            font-size: 24px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .step-number {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--color-text-muted);
            letter-spacing: 1.5px;
            margin-bottom: 6px;
        }
        .step-card .card-title {
            font-size: 16px;
        }
        .step-card .card-desc {
            font-size: 14px;
        }

        /* ============ 计算器 ============ */
        .calculator-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .calc-form {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .calc-form .form-group {
            margin-bottom: 20px;
        }
        .calc-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .calc-form input,
        .calc-form select {
            width: 100%;
            height: 48px;
            padding: 0 16px;
            font-size: 15px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            background-color: #FAFAF8;
            color: var(--color-text);
            transition: var(--transition-normal);
            outline: none;
        }
        .calc-form input:focus,
        .calc-form select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(198,161,91,0.25);
            background-color: var(--color-white);
        }

        .calc-result {
            background-color: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 28px;
            color: var(--color-white);
            box-shadow: 0 8px 24px rgba(0,0,0,0.25);
        }
        .calc-result h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--color-accent);
        }
        .calc-result .result-row {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-dark);
            font-size: 15px;
        }
        .calc-result .result-row:last-child {
            border-bottom: none;
        }
        .calc-result .result-label {
            color: #B8BDC6;
        }
        .calc-result .result-value {
            font-weight: 600;
            color: var(--color-white);
        }
        .calc-result .result-value.highlight {
            color: var(--color-accent);
            font-size: 20px;
        }
        .calc-note {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 14px;
            line-height: 1.6;
        }

        /* ============ 安全特征 ============ */
        .safety-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .safety-item {
            display: flex;
            gap: 14px;
            padding: 20px;
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            transition: var(--transition-normal);
        }
        .safety-item:hover {
            border-color: var(--color-safe);
            box-shadow: 0 4px 12px rgba(46,107,95,0.12);
        }
        .safety-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(46,107,95,0.1);
            color: var(--color-safe);
            font-size: 20px;
            flex-shrink: 0;
        }
        .safety-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .safety-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ============ 软件展示 ============ */
        .software-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .software-visual img {
            width: 100%;
            max-height: 380px;
            object-fit: cover;
            border-radius: var(--radius-card);
            box-shadow: 0 12px 32px rgba(0,0,0,0.15);
        }
        .software-features {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .software-feature {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 18px;
            background-color: rgba(198,161,91,0.06);
            border-radius: 8px;
            border-left: 3px solid var(--color-accent);
        }
        .software-feature .feat-icon {
            font-size: 20px;
            flex-shrink: 0;
        }
        .software-feature h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
        }
        .software-feature p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ============ 百科入口 ============ */
        .baike-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .baike-card {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            padding: 22px;
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            transition: var(--transition-normal);
            text-decoration: none;
        }
        .baike-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .baike-card .baike-icon {
            font-size: 26px;
            margin-bottom: 12px;
        }
        .baike-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .baike-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ============ 资讯卡片 ============ */
        .news-card {
            padding: 22px;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }
        .news-card .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-card .news-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .news-card .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .empty-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 48px 24px;
            background-color: var(--color-bg);
            border-radius: var(--radius-card);
            border: 1px dashed var(--color-border);
            color: var(--color-text-muted);
            font-size: 15px;
            gap: 8px;
        }
        .empty-state .empty-icon {
            font-size: 40px;
            opacity: 0.5;
        }

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

        .faq-item {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition-normal);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
        }
        .faq-item.active {
            border-color: var(--color-accent);
            box-shadow: 0 4px 16px rgba(198,161,91,0.12);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            transition: var(--transition-normal);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: rgba(198,161,91,0.12);
            color: var(--color-accent);
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: var(--transition-normal);
        }
        .faq-item.active .faq-question .faq-icon {
            background-color: rgba(201,79,61,0.1);
            color: var(--color-risk);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 22px;
            background-color: #FDFCFB;
        }
        .faq-item.active .faq-answer {
            max-height: 320px;
            padding-bottom: 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            padding: 14px 0;
            border-left: 2px solid var(--color-accent);
            padding-left: 16px;
        }

        /* ============ 数据统计 ============ */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-mono);
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: #B8BDC6;
            margin-top: 6px;
        }
        .stats-note {
            text-align: center;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 20px;
        }

        /* ============ 合作机构 ============ */
        .partner-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }
        .partner-placeholder {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 140px;
            height: 56px;
            background-color: var(--color-white);
            border: 1px dashed var(--color-border);
            border-radius: 8px;
            font-size: 12px;
            color: var(--color-text-muted);
            letter-spacing: 1px;
            transition: var(--transition-normal);
        }
        .partner-placeholder:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ============ 活动横幅 ============ */
        .activity-banner {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
            background-color: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 40px 48px;
            color: var(--color-white);
            position: relative;
            overflow: hidden;
        }
        .activity-banner .activity-bg {
            position: absolute;
            inset: 0;
            opacity: 0.12;
            pointer-events: none;
        }
        .activity-banner .activity-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .activity-banner .activity-content {
            position: relative;
            z-index: 2;
        }
        .activity-banner h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .activity-banner .activity-sub {
            font-size: 15px;
            color: #B8BDC6;
            line-height: 1.7;
            max-width: 480px;
        }
        .activity-banner .btn {
            position: relative;
            z-index: 2;
            white-space: nowrap;
        }

        /* ============ 底部CTA ============ */
        .cta-form-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 36px;
            box-shadow: var(--shadow-card);
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-form-card .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }
        .cta-form-card .form-group {
            margin-bottom: 16px;
        }
        .cta-form-card label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .cta-form-card input,
        .cta-form-card select,
        .cta-form-card textarea {
            width: 100%;
            height: 48px;
            padding: 0 16px;
            font-size: 15px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            background-color: #FAFAF8;
            color: var(--color-text);
            transition: var(--transition-normal);
            outline: none;
            box-sizing: border-box;
        }
        .cta-form-card textarea {
            height: auto;
            min-height: 96px;
            padding: 14px 16px;
            resize: vertical;
        }
        .cta-form-card input:focus,
        .cta-form-card select:focus,
        .cta-form-card textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(198,161,91,0.25);
            background-color: var(--color-white);
        }
        .cta-form-card .form-note {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 12px;
            line-height: 1.6;
        }

        /* ============ 免责声明 ============ */
        .disclaimer-section {
            background-color: var(--color-primary);
            color: #B8BDC6;
            padding: 48px 0;
        }
        .disclaimer-section h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 16px;
        }
        .disclaimer-section ul {
            list-style: disc;
            padding-left: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 14px;
            line-height: 1.8;
        }
        .disclaimer-section ul li::marker {
            color: var(--color-accent);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background-color: var(--color-primary);
            color: #B8BDC6;
            padding: 56px 0 28px;
            border-top: 1px solid var(--color-border-dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .footer-brand .logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: #9BA1A9;
            transition: var(--transition-normal);
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            margin-bottom: 8px;
        }
        .footer-bottom .footer-links a {
            font-size: 12px;
            color: var(--color-text-muted);
            text-decoration: none;
        }
        .footer-bottom .footer-links a:hover {
            color: var(--color-accent);
        }

        /* ============ 移动端导航抽屉 ============ */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--color-primary);
            z-index: 1050;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 24px;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-white);
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-dark);
            width: 100%;
            text-align: center;
            transition: var(--transition-normal);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--color-accent);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 16px;
            }
            .main-nav a {
                font-size: 14px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero {
                padding-top: calc(var(--nav-height) + 48px);
                padding-bottom: 56px;
                min-height: auto;
            }
            .hero-visual img {
                max-height: 320px;
            }
            .card-grid.cols-4,
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .safety-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .baike-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .calculator-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .software-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero .container {
                grid-template-columns: 1fr;
                text-align: left;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-cta {
                flex-direction: column;
            }
            .hero-cta .btn {
                width: 100%;
            }
            .hero-visual img {
                max-height: 260px;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .card-grid.cols-4,
            .card-grid.cols-3,
            .card-grid.cols-2 {
                grid-template-columns: 1fr;
            }
            .safety-list {
                grid-template-columns: 1fr;
            }
            .baike-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .rank-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .rank-metrics {
                gap: 16px;
                width: 100%;
                justify-content: space-between;
            }
            .activity-banner {
                grid-template-columns: 1fr;
                padding: 28px 24px;
                gap: 20px;
            }
            .cta-form-card {
                padding: 24px;
            }
            .cta-form-card .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero {
                padding-top: calc(var(--nav-height) + 32px);
                padding-bottom: 40px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .rank-item {
                padding: 16px;
            }
            .cta-form-card {
                padding: 18px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
            .activity-banner h3 {
                font-size: 20px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #17191E;
            --color-accent: #C6A15B;
            --color-accent-hover: #D8B878;
            --color-risk: #C94F3D;
            --color-safe: #2E6B5F;
            --color-bg: #F5F3EF;
            --color-white: #FFFFFF;
            --color-text: #1D1F24;
            --color-text-secondary: #5A616A;
            --color-text-muted: #8B919A;
            --color-border: #E5E0D8;
            --color-border-dark: #2C2F36;
            --color-card-dark: #1F2127;
            --radius-sm: 4px;
            --radius-btn: 8px;
            --radius-card: 12px;
            --shadow-card: 0 6px 18px rgba(23,25,30,0.06);
            --shadow-card-hover: 0 12px 28px rgba(23,25,30,0.12);
            --shadow-risk: 0 4px 12px rgba(201,79,61,0.15);
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Inter', 'Roboto Mono', 'SF Mono', 'Menlo', monospace;
            --transition-normal: all 0.25s ease;
            --transition-fast: all 0.15s ease;
            --nav-height: 64px;
            --section-pad-desktop: 80px;
            --section-pad-tablet: 56px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition-normal);
        }
        a:hover {
            color: var(--color-accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--color-primary);
            z-index: 1000;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo .logo-divider {
            width: 1px;
            height: 20px;
            background-color: var(--color-accent);
            margin: 0 2px;
        }
        .logo .logo-sub {
            font-size: 13px;
            font-weight: 400;
            color: var(--color-text-muted);
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            color: #D1D5DB;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
            transition: var(--transition-normal);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: var(--transition-normal);
            border-radius: 1px;
        }
        .main-nav a:hover {
            color: var(--color-white);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--color-accent);
        }
        .main-nav a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            z-index: 1100;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-white);
            border-radius: 2px;
            transition: var(--transition-normal);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-section {
            background-color: var(--color-primary);
            padding: 24px 0;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .breadcrumb-section .breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-section .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--color-text-muted);
            font-size: 14px;
        }
        .breadcrumb-section .breadcrumb li:not(:last-child)::after {
            content: '>';
            color: #6B7280;
            margin-left: 4px;
        }
        .breadcrumb-section .breadcrumb a {
            color: #D1D5DB;
            transition: var(--transition-normal);
        }
        .breadcrumb-section .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-section .breadcrumb .current {
            color: var(--color-accent);
        }

        /* ============ 文章头部 ============ */
        .article-header-section {
            background-color: var(--color-primary);
            padding: 40px 0 48px;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .article-header-card {
            max-width: 860px;
            margin: 0 auto;
        }
        .article-header-card .article-category-tag {
            display: inline-block;
            background-color: rgba(198,161,91,0.15);
            color: var(--color-accent);
            border: 1px solid rgba(198,161,91,0.35);
            padding: 4px 14px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 16px;
        }
        .article-header-card h1 {
            color: var(--color-white);
            font-size: 34px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
        }
        .article-header-card .article-summary {
            color: #B0B7C3;
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            color: var(--color-text-muted);
            font-size: 14px;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-icon {
            display: inline-block;
            width: 6px;
            height: 6px;
            background-color: var(--color-accent);
            border-radius: 50%;
        }

        /* ============ 正文区域 ============ */
        .article-body-section {
            background-color: var(--color-bg);
            padding: var(--section-pad-desktop) 0;
        }
        .article-body-container {
            max-width: 860px;
            margin: 0 auto;
        }
        .article-content-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 40px;
            margin-bottom: 32px;
        }
        .article-content-card .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text);
        }
        .article-content-card .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-top: 32px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
        }
        .article-content-card .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text);
            margin-top: 24px;
            margin-bottom: 12px;
        }
        .article-content-card .article-body p {
            margin-bottom: 16px;
        }
        .article-content-card .article-body ul,
        .article-content-card .article-body ol {
            margin-bottom: 16px;
            padding-left: 24px;
        }
        .article-content-card .article-body li {
            margin-bottom: 8px;
        }
        .article-content-card .article-body blockquote {
            border-left: 3px solid var(--color-accent);
            background-color: var(--color-bg);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-secondary);
        }
        .article-content-card .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
        }
        .article-content-card .article-body table th,
        .article-content-card .article-body table td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-content-card .article-body table th {
            background-color: var(--color-bg);
            font-weight: 600;
            color: var(--color-text);
        }
        .article-content-card .article-body img {
            margin: 20px 0;
        }

        /* ============ 风险提示块 ============ */
        .risk-inline-block {
            background-color: rgba(201,79,61,0.06);
            border-left: 3px solid var(--color-risk);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 16px 20px;
            margin: 24px 0;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .risk-inline-block strong {
            color: var(--color-risk);
        }

        /* ============ 相关推荐 ============ */
        .related-section {
            background-color: var(--color-white);
            padding: var(--section-pad-desktop) 0;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .section-heading {
            margin-bottom: 32px;
        }
        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .section-heading .heading-line {
            width: 48px;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-4px);
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .related-card .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card .card-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--color-accent);
            border: 1px solid var(--color-accent);
            padding: 2px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .related-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .related-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .related-card .card-link {
            font-weight: 500;
            font-size: 14px;
        }

        /* ============ 上一篇下一篇 ============ */
        .post-nav-section {
            background-color: var(--color-bg);
            padding: 40px 0;
        }
        .post-nav-container {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            gap: 20px;
        }
        .post-nav-link {
            display: block;
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 16px 20px;
            flex: 1;
            transition: var(--transition-normal);
            color: var(--color-text);
        }
        .post-nav-link:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
            color: var(--color-accent);
        }
        .post-nav-link .nav-direction {
            display: block;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 4px;
        }
        .post-nav-link .nav-title {
            font-size: 15px;
            font-weight: 500;
            line-height: 1.5;
        }
        .post-nav-link.next {
            text-align: right;
        }

        /* ============ 底部 CTA ============ */
        .cta-section {
            background-color: var(--color-primary);
            padding: var(--section-pad-desktop) 0;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .cta-section .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 48px;
            align-items: center;
        }
        .cta-section .cta-info h2 {
            color: var(--color-white);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section .cta-info p {
            color: #B0B7C3;
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .cta-section .cta-info .cta-note {
            color: var(--color-text-muted);
            font-size: 13px;
        }
        .cta-form-card {
            background-color: var(--color-card-dark);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-card);
            padding: 32px;
        }
        .cta-form-card .form-label {
            color: #D1D5DB;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 6px;
        }
        .cta-form-card .form-control {
            background-color: var(--color-primary);
            border: 1px solid var(--color-border-dark);
            color: var(--color-white);
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            transition: var(--transition-normal);
        }
        .cta-form-card .form-control:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(198,161,91,0.2);
            background-color: var(--color-primary);
            color: var(--color-white);
        }
        .cta-form-card .form-control::placeholder {
            color: #6B7280;
        }
        .cta-form-card select.form-control option {
            background-color: var(--color-primary);
            color: var(--color-white);
        }
        .cta-form-card .btn-primary-custom {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border: none;
            padding: 12px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: var(--transition-normal);
            width: 100%;
        }
        .cta-form-card .btn-primary-custom:hover {
            background-color: var(--color-accent-hover);
            transform: translateY(-2px);
        }
        .cta-form-card .btn-primary-custom:active {
            transform: translateY(0);
        }
        .cta-form-card .form-note {
            color: var(--color-text-muted);
            font-size: 12px;
            margin-top: 12px;
            text-align: center;
        }

        /* ============ 文章信息补充 ============ */
        .article-meta-section {
            background-color: var(--color-bg);
            padding: 32px 0;
        }
        .article-meta-container {
            max-width: 860px;
            margin: 0 auto;
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .article-meta-container .meta-info {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .article-meta-container .meta-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-meta-container .meta-tags .tag-badge {
            background-color: var(--color-bg);
            color: var(--color-text-secondary);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            border: 1px solid var(--color-border);
        }

        /* ============ 空态 ============ */
        .not-found-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 48px 32px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .not-found-card .not-found-icon {
            font-size: 48px;
            color: var(--color-text-muted);
            margin-bottom: 16px;
        }
        .not-found-card h2 {
            font-size: 22px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .not-found-card p {
            color: var(--color-text-secondary);
            margin-bottom: 20px;
        }
        .btn-outline-custom {
            display: inline-block;
            border: 1.5px solid var(--color-text);
            color: var(--color-text);
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition-normal);
            background-color: transparent;
        }
        .btn-outline-custom:hover {
            background-color: var(--color-text);
            color: var(--color-white);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background-color: var(--color-primary);
            padding: 48px 0 32px;
            border-top: 1px solid var(--color-border-dark);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand .logo {
            margin-bottom: 12px;
        }
        .site-footer .footer-brand p {
            color: var(--color-text-muted);
            font-size: 14px;
            line-height: 1.7;
        }
        .site-footer .footer-col h4 {
            color: var(--color-white);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul a {
            color: #9CA3AF;
            font-size: 14px;
            transition: var(--transition-normal);
        }
        .site-footer .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid var(--color-border-dark);
            padding-top: 24px;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 24px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .site-footer .footer-links a {
            color: #9CA3AF;
            font-size: 13px;
            transition: var(--transition-normal);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom p {
            color: var(--color-text-muted);
            font-size: 13px;
            margin: 0;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 18px;
            }
            .main-nav a {
                font-size: 14px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: var(--section-pad-mobile);
            }
            body {
                font-size: 15px;
            }
            .hamburger {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 24px;
                transform: translateX(100%);
                transition: var(--transition-normal);
                z-index: 999;
                overflow-y: auto;
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .main-nav a {
                display: block;
                width: 100%;
                padding: 16px 0;
                font-size: 18px;
                color: #D1D5DB;
                border-bottom: 1px solid var(--color-border-dark);
            }
            .main-nav a::after {
                display: none;
            }
            .main-nav a.active {
                color: var(--color-accent);
            }
            .article-header-card h1 {
                font-size: 26px;
            }
            .article-content-card {
                padding: 24px 20px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .post-nav-container {
                flex-direction: column;
            }
            .post-nav-link.next {
                text-align: left;
            }
            .article-meta-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .article-header-card h1 {
                font-size: 22px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .article-content-card {
                padding: 20px 16px;
            }
            .article-content-card .article-body h2 {
                font-size: 20px;
            }
            .article-content-card .article-body h3 {
                font-size: 17px;
            }
            .cta-form-card {
                padding: 20px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #17191E;
            --color-accent: #C6A15B;
            --color-accent-hover: #D8B878;
            --color-risk: #C94F3D;
            --color-safe: #2E6B5F;
            --color-bg: #F5F3EF;
            --color-white: #FFFFFF;
            --color-text: #1D1F24;
            --color-text-secondary: #5A616A;
            --color-text-muted: #8B919A;
            --color-border: #E5E0D8;
            --color-border-dark: #2C2F36;
            --color-card-dark: #1F2127;
            --radius-sm: 4px;
            --radius-btn: 8px;
            --radius-card: 12px;
            --shadow-card: 0 6px 18px rgba(23,25,30,0.06);
            --shadow-card-hover: 0 12px 28px rgba(23,25,30,0.12);
            --shadow-risk: 0 4px 12px rgba(201,79,61,0.15);
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Inter', 'Roboto Mono', 'SF Mono', 'Menlo', monospace;
            --transition-normal: all 0.25s ease;
            --transition-fast: all 0.15s ease;
            --nav-height: 64px;
            --section-pad-desktop: 80px;
            --section-pad-tablet: 56px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition-normal);
        }
        a:hover {
            color: var(--color-accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--color-primary);
            z-index: 1000;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo .logo-divider {
            width: 1px;
            height: 20px;
            background-color: var(--color-accent);
            margin: 0 2px;
        }
        .logo .logo-sub {
            font-size: 13px;
            font-weight: 400;
            color: var(--color-text-muted);
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            color: #D1D5DB;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
            transition: var(--transition-normal);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: var(--transition-normal);
            border-radius: 1px;
        }
        .main-nav a:hover {
            color: var(--color-white);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--color-accent);
        }
        .main-nav a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            z-index: 1100;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-white);
            border-radius: 2px;
            transition: var(--transition-normal);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--color-primary);
            z-index: 990;
            padding: 24px;
            flex-direction: column;
            gap: 0;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            color: #D1D5DB;
            font-size: 20px;
            font-weight: 500;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-dark);
            transition: var(--transition-normal);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-accent);
        }

        /* ============ 窄标题区 ============ */
        .category-hero {
            padding: calc(var(--nav-height) + 32px) 0 32px;
            background-color: var(--color-primary);
            border-bottom: 1px solid var(--color-border-dark);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/f55cf2af6fd62080.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: #AEB4BC;
            transition: var(--transition-normal);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: #4A5058;
        }
        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }
        .category-hero h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
            line-height: 1.35;
        }
        .category-hero h1 .highlight {
            color: var(--color-accent);
        }
        .category-hero .subtitle {
            font-size: 15px;
            color: #AEB4BC;
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ Section 通用 ============ */
        section {
            padding: var(--section-pad-desktop) 0;
        }
        .section-bg-white {
            background-color: var(--color-white);
        }
        .section-bg-gray {
            background-color: var(--color-bg);
        }
        .section-bg-dark {
            background-color: var(--color-primary);
            color: var(--color-white);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }
        .section-bg-dark .section-title {
            color: var(--color-white);
        }
        .section-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .section-bg-dark .section-desc {
            color: #AEB4BC;
        }

        /* ============ 标签筛选条 ============ */
        .filter-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
        }
        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-right: 8px;
            white-space: nowrap;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            background-color: var(--color-white);
            transition: var(--transition-normal);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .filter-tag.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-white);
        }

        /* ============ 列表卡片 ============ */
        .content-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .list-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .list-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }
        .list-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
            background-color: #E8E5E0;
        }
        .list-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .list-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }
        .list-card .card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
            background-color: rgba(198,161,91,0.06);
        }
        .list-card .card-tag.risk-tag {
            border-color: var(--color-risk);
            color: var(--color-risk);
            background-color: rgba(201,79,61,0.06);
        }
        .list-card .card-tag.safe-tag {
            border-color: var(--color-safe);
            color: var(--color-safe);
            background-color: rgba(46,107,95,0.06);
        }
        .list-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.5;
            letter-spacing: 0.2px;
        }
        .list-card .card-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .list-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }
        .list-card .card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-accent);
            transition: var(--transition-normal);
        }
        .list-card .card-link:hover {
            color: var(--color-accent-hover);
        }
        .list-empty {
            text-align: center;
            padding: 56px 24px;
            background-color: #F0EEE9;
            border-radius: var(--radius-card);
            color: var(--color-text-muted);
            font-size: 15px;
        }

        /* ============ 支撑板块A：选择指标 ============ */
        .indicator-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 8px;
        }
        .indicator-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition-normal);
        }
        .indicator-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }
        .indicator-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: rgba(198,161,91,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 22px;
            color: var(--color-accent);
        }
        .indicator-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .indicator-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ============ 支撑板块B：平台对比 ============ */
        .compare-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 8px;
        }
        .compare-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-normal);
        }
        .compare-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }
        .compare-card .compare-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--color-accent);
        }
        .compare-card .compare-header .badge-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--color-accent);
            flex-shrink: 0;
        }
        .compare-card .compare-header h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0;
        }
        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .compare-list li:last-child {
            border-bottom: none;
        }
        .compare-list li .check {
            color: var(--color-safe);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }
        .compare-list li .warn {
            color: var(--color-risk);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        /* ============ 支撑板块C：计算器CTA ============ */
        .calc-cta {
            background-color: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            border: 1px solid var(--color-border-dark);
            position: relative;
            overflow: hidden;
        }
        .calc-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/ac553e0566d1a13b.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .calc-cta .calc-text {
            position: relative;
            z-index: 1;
        }
        .calc-cta h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 6px;
        }
        .calc-cta p {
            font-size: 14px;
            color: #AEB4BC;
            margin-bottom: 0;
            line-height: 1.6;
        }
        .calc-cta .calc-btn {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* ============ 按钮 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: none;
            transition: var(--transition-normal);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-primary:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background-color: transparent;
            color: var(--color-text);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--color-text);
            transition: var(--transition-normal);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background-color: var(--color-text);
            color: var(--color-white);
        }
        .btn-outline:active {
            transform: translateY(1px);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background-color: transparent;
            color: var(--color-white);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--color-white);
            transition: var(--transition-normal);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-ghost:hover {
            background-color: var(--color-white);
            color: var(--color-primary);
        }
        .btn-ghost:active {
            transform: translateY(1px);
        }

        /* ============ 表单 ============ */
        .cta-form-wrap {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 36px;
            box-shadow: var(--shadow-card);
            margin-top: 8px;
        }
        .cta-form .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .cta-form .form-control {
            height: 48px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            font-size: 15px;
            color: var(--color-text);
            background-color: var(--color-white);
            transition: var(--transition-normal);
        }
        .cta-form .form-control:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(198,161,91,0.2);
            outline: none;
        }
        .cta-form textarea.form-control {
            height: auto;
            padding: 12px 16px;
            resize: vertical;
            min-height: 100px;
        }
        .cta-form .form-select {
            height: 48px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            font-size: 15px;
            color: var(--color-text);
            background-color: var(--color-white);
            transition: var(--transition-normal);
        }
        .cta-form .form-select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(198,161,91,0.2);
        }
        .cta-form .form-note {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 10px;
            line-height: 1.6;
        }
        .cta-form .submit-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background-color: var(--color-primary);
            color: #AEB4BC;
            padding: 56px 0 0;
            border-top: 1px solid var(--color-border-dark);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
        }
        .site-footer .footer-brand .logo {
            margin-bottom: 16px;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul a {
            font-size: 14px;
            color: #AEB4BC;
            transition: var(--transition-normal);
        }
        .site-footer .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid var(--color-border-dark);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .site-footer .footer-links a {
            font-size: 13px;
            color: #8B919A;
            transition: var(--transition-normal);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom p {
            font-size: 13px;
            color: #6B7280;
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .content-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .indicator-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
            section {
                padding: var(--section-pad-tablet) 0;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .category-hero {
                padding: calc(var(--nav-height) + 20px) 0 24px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .content-list-grid {
                grid-template-columns: 1fr;
            }
            .indicator-grid {
                grid-template-columns: 1fr;
            }
            .compare-wrap {
                grid-template-columns: 1fr;
            }
            .calc-cta {
                padding: 28px 24px;
                flex-direction: column;
                text-align: center;
                align-items: stretch;
            }
            .calc-cta .calc-btn {
                align-self: center;
            }
            .cta-form-wrap {
                padding: 24px 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-links {
                justify-content: center;
            }
            section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .filter-bar {
                gap: 8px;
            }
            .filter-tag {
                font-size: 12px;
                padding: 5px 10px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .list-card .card-img {
                height: 160px;
            }
            .btn-primary,
            .btn-outline,
            .btn-ghost {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #17191E;
            --color-accent: #C6A15B;
            --color-accent-hover: #D8B878;
            --color-risk: #C94F3D;
            --color-safe: #2E6B5F;
            --color-bg: #F5F3EF;
            --color-white: #FFFFFF;
            --color-text: #1D1F24;
            --color-text-secondary: #5A616A;
            --color-text-muted: #8B919A;
            --color-border: #E5E0D8;
            --color-border-dark: #2C2F36;
            --color-card-dark: #1F2127;
            --radius-sm: 4px;
            --radius-btn: 8px;
            --radius-card: 12px;
            --shadow-card: 0 6px 18px rgba(23,25,30,0.06);
            --shadow-card-hover: 0 12px 28px rgba(23,25,30,0.12);
            --shadow-risk: 0 4px 12px rgba(201,79,61,0.15);
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Inter', 'Roboto Mono', 'SF Mono', 'Menlo', monospace;
            --transition-normal: all 0.25s ease;
            --transition-fast: all 0.15s ease;
            --nav-height: 64px;
            --section-pad-desktop: 80px;
            --section-pad-tablet: 56px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition-normal);
        }
        a:hover {
            color: var(--color-accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--color-primary);
            z-index: 1000;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo .logo-divider {
            width: 1px;
            height: 20px;
            background-color: var(--color-accent);
            margin: 0 2px;
        }
        .logo .logo-sub {
            font-size: 13px;
            font-weight: 400;
            color: var(--color-text-muted);
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            color: #D1D5DB;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
            transition: var(--transition-normal);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: var(--transition-normal);
            border-radius: 1px;
        }
        .main-nav a:hover {
            color: var(--color-white);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--color-accent);
        }
        .main-nav a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            z-index: 1100;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-white);
            border-radius: 2px;
            transition: var(--transition-normal);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端全屏菜单 */
        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--color-primary);
            z-index: 1050;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu .mobile-menu-inner {
            display: flex;
            flex-direction: column;
            gap: 20px;
            padding: 40px 24px;
            text-align: center;
            width: 100%;
            max-width: 480px;
        }
        .mobile-menu a {
            color: #E5E7EB;
            font-size: 20px;
            font-weight: 600;
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border-dark);
            letter-spacing: 0.5px;
            transition: var(--transition-normal);
        }
        .mobile-menu a:hover {
            color: var(--color-accent);
        }
        .mobile-menu a.active {
            color: var(--color-accent);
        }

        /* ============ 面包屑与窄标题区 ============ */
        .breadcrumb-bar {
            background-color: var(--color-primary);
            padding: 28px 0 0;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .breadcrumb-bar .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-bar .breadcrumb-inner a {
            color: var(--color-text-muted);
            transition: var(--transition-normal);
        }
        .breadcrumb-bar .breadcrumb-inner a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-bar .breadcrumb-separator {
            color: var(--color-border-dark);
        }
        .breadcrumb-bar .breadcrumb-current {
            color: var(--color-accent);
            font-weight: 500;
        }
        .category-hero {
            background-color: var(--color-primary);
            background-image: url('/assets/images/b73adec22eec6248.webp');
            background-size: cover;
            background-position: center;
            padding: 48px 0 56px;
            position: relative;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(23,25,30,0.85);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            color: var(--color-white);
            font-size: 36px;
            font-weight: 700;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
            line-height: 1.35;
        }
        .category-hero h1 .accent-text {
            color: var(--color-accent);
        }
        .category-hero .hero-desc {
            color: #C5C9D0;
            font-size: 16px;
            max-width: 680px;
            line-height: 1.8;
            margin: 0;
        }
        .category-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }

        /* ============ 标签条 ============ */
        .filter-bar {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 0;
        }
        .filter-bar .container {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-bar .filter-label {
            font-size: 14px;
            color: var(--color-text-muted);
            font-weight: 500;
            margin-right: 6px;
        }
        .filter-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background-color: var(--color-bg);
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
            transition: var(--transition-normal);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background-color: #FDFAF5;
        }
        .filter-tag.filter-tag-risk {
            color: var(--color-risk);
            border-color: rgba(201,79,61,0.35);
            background-color: #FDF5F3;
        }
        .filter-tag.filter-tag-safe {
            color: var(--color-safe);
            border-color: rgba(46,107,95,0.35);
            background-color: #F0F7F5;
        }
        .filter-tag.filter-tag-accent {
            color: var(--color-accent);
            border-color: rgba(198,161,91,0.45);
            background-color: #FDFAF4;
        }

        /* ============ 通用 section ============ */
        .section {
            padding: var(--section-pad-desktop) 0;
        }
        .section-alt {
            background-color: var(--color-white);
        }
        .section-dark {
            background-color: var(--color-primary);
            color: #E5E7EB;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            letter-spacing: 0.4px;
            line-height: 1.4;
        }
        .section-dark .section-title {
            color: var(--color-white);
        }
        .section-sub {
            font-size: 15px;
            color: var(--color-text-muted);
            margin: 0 0 32px;
            line-height: 1.7;
            max-width: 720px;
        }
        .section-dark .section-sub {
            color: #9CA3AF;
        }
        .text-accent {
            color: var(--color-accent);
        }
        .text-risk {
            color: var(--color-risk);
        }
        .text-safe {
            color: var(--color-safe);
        }

        /* ============ 卡片通用 ============ */
        .info-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition-normal);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }
        .info-card .card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }
        .info-card .card-body {
            padding: 20px 22px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .info-card .card-tag {
            display: inline-block;
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 4px;
            background-color: #FDFAF4;
            color: var(--color-accent);
            border: 1px solid rgba(198,161,91,0.4);
            margin-bottom: 10px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .info-card .card-tag.tag-risk {
            background-color: #FDF5F3;
            color: var(--color-risk);
            border-color: rgba(201,79,61,0.3);
        }
        .info-card .card-tag.tag-safe {
            background-color: #F0F7F5;
            color: var(--color-safe);
            border-color: rgba(46,107,95,0.3);
        }
        .info-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.5;
            letter-spacing: 0.2px;
        }
        .info-card .card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0 0 12px;
            line-height: 1.7;
            flex: 1;
        }
        .info-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
            margin-top: auto;
        }
        .info-card .card-link {
            font-weight: 500;
            font-size: 14px;
            color: var(--color-accent);
            transition: var(--transition-normal);
        }
        .info-card .card-link:hover {
            color: var(--color-accent-hover);
        }

        /* ============ 风险等级三档 ============ */
        .risk-level {
            background-color: var(--color-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px 20px;
            height: 100%;
            transition: var(--transition-normal);
        }
        .risk-level:hover {
            border-color: var(--color-border-dark);
            box-shadow: var(--shadow-card);
        }
        .risk-level .level-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .risk-level .level-low {
            background-color: #F0F7F5;
            color: var(--color-safe);
            border: 1px solid rgba(46,107,95,0.4);
        }
        .risk-level .level-mid {
            background-color: #FDFAF4;
            color: var(--color-accent);
            border: 1px solid rgba(198,161,91,0.4);
        }
        .risk-level .level-high {
            background-color: #FDF5F3;
            color: var(--color-risk);
            border: 1px solid rgba(201,79,61,0.4);
        }
        .risk-level h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 8px;
        }
        .risk-level p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* ============ 安全自查清单 ============ */
        .checklist {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
        }
        .checklist-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.7;
        }
        .checklist-item:last-child {
            border-bottom: none;
        }
        .checklist-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background-color: #F0F7F5;
            color: var(--color-safe);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            margin-top: 2px;
        }

        /* ============ CTA 窄条 ============ */
        .cta-strip {
            background-color: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            border: 1px solid var(--color-border-dark);
        }
        .cta-strip h3 {
            color: var(--color-white);
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 6px;
            letter-spacing: 0.3px;
        }
        .cta-strip p {
            color: #9CA3AF;
            font-size: 15px;
            margin: 0;
            max-width: 520px;
            line-height: 1.7;
        }
        .cta-strip .btn-accent {
            flex-shrink: 0;
        }

        /* ============ 表单 ============ */
        .form-panel {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
        }
        .form-panel .form-group {
            margin-bottom: 18px;
        }
        .form-panel label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            margin-bottom: 6px;
            letter-spacing: 0.2px;
        }
        .form-panel input,
        .form-panel select,
        .form-panel textarea {
            width: 100%;
            height: 48px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            font-size: 15px;
            color: var(--color-text);
            background-color: var(--color-white);
            transition: var(--transition-normal);
            outline: none;
        }
        .form-panel textarea {
            height: 100px;
            padding: 12px 16px;
            resize: vertical;
        }
        .form-panel input:focus,
        .form-panel select:focus,
        .form-panel textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(198,161,91,0.2);
        }
        .form-panel .form-hint {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 12px;
            line-height: 1.6;
        }

        /* ============ 按钮 ============ */
        .btn-accent {
            display: inline-block;
            padding: 12px 28px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: var(--transition-normal);
            text-align: center;
            border: 1.5px solid var(--color-accent);
            cursor: pointer;
        }
        .btn-accent:hover {
            background-color: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary);
            transform: translateY(-1px);
        }
        .btn-accent:active {
            transform: translateY(1px);
        }
        .btn-accent:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-outline-dark {
            display: inline-block;
            padding: 12px 28px;
            background-color: transparent;
            color: var(--color-primary);
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            border: 1.5px solid var(--color-primary);
            transition: var(--transition-normal);
            text-align: center;
            cursor: pointer;
        }
        .btn-outline-dark:hover {
            background-color: var(--color-primary);
            color: var(--color-white);
        }
        .btn-outline-dark:focus {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .btn-ghost {
            display: inline-block;
            padding: 12px 28px;
            background-color: transparent;
            color: var(--color-white);
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
            border: 1.5px solid #D1D5DB;
            transition: var(--transition-normal);
            text-align: center;
            cursor: pointer;
        }
        .btn-ghost:hover {
            background-color: var(--color-white);
            color: var(--color-primary);
            border-color: var(--color-white);
        }
        .btn-ghost:focus {
            outline: 2px solid var(--color-white);
            outline-offset: 2px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background-color: var(--color-primary);
            padding: 56px 0 28px;
            color: #C5C9D0;
            border-top: 1px solid var(--color-border-dark);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .site-footer .footer-brand .logo {
            margin-bottom: 16px;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }
        .site-footer .footer-col h4 {
            color: var(--color-white);
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul li a {
            color: #9CA3AF;
            font-size: 14px;
            transition: var(--transition-normal);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid var(--color-border-dark);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .site-footer .footer-links a {
            color: #9CA3AF;
            font-size: 13px;
            transition: var(--transition-normal);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            :root {
                --section-pad-desktop: 56px;
            }
            .main-nav {
                gap: 18px;
            }
            .main-nav a {
                font-size: 14px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 24px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: 48px;
                --nav-height: 60px;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .category-hero {
                padding: 36px 0 40px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .filter-bar {
                padding: 12px 0;
            }
            .filter-tag {
                font-size: 12px;
                padding: 5px 12px;
            }
            .section-title {
                font-size: 22px;
            }
            .info-card .card-img {
                height: 150px;
            }
            .cta-strip {
                flex-direction: column;
                text-align: center;
            }
            .cta-strip p {
                max-width: 100%;
            }
            .form-panel {
                padding: 24px 18px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .site-footer .footer-links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-desc {
                font-size: 13px;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 20px;
            }
            .info-card .card-body {
                padding: 16px 16px 14px;
            }
            .info-card .card-title {
                font-size: 15px;
            }
            .info-card .card-desc {
                font-size: 13px;
            }
            .risk-level {
                padding: 18px 16px;
            }
            .checklist {
                padding: 18px 16px;
            }
            .checklist-item {
                font-size: 14px;
                gap: 10px;
                padding: 10px 0;
            }
            .cta-strip h3 {
                font-size: 18px;
            }
            .btn-accent,
            .btn-outline-dark,
            .btn-ghost {
                padding: 10px 22px;
                font-size: 14px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .site-footer .footer-col h4 {
                margin-bottom: 10px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #17191E;
            --color-accent: #C6A15B;
            --color-accent-hover: #D8B878;
            --color-risk: #C94F3D;
            --color-safe: #2E6B5F;
            --color-bg: #F5F3EF;
            --color-white: #FFFFFF;
            --color-text: #1D1F24;
            --color-text-secondary: #5A616A;
            --color-text-muted: #8B919A;
            --color-border: #E5E0D8;
            --color-border-dark: #2C2F36;
            --color-card-dark: #1F2127;
            --radius-sm: 4px;
            --radius-btn: 8px;
            --radius-card: 12px;
            --shadow-card: 0 6px 18px rgba(23,25,30,0.06);
            --shadow-card-hover: 0 12px 28px rgba(23,25,30,0.12);
            --shadow-risk: 0 4px 12px rgba(201,79,61,0.15);
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'Inter', 'Roboto Mono', 'SF Mono', 'Menlo', monospace;
            --transition-normal: all 0.25s ease;
            --transition-fast: all 0.15s ease;
            --nav-height: 64px;
            --section-pad-desktop: 80px;
            --section-pad-tablet: 56px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition-normal);
        }
        a:hover {
            color: var(--color-accent-hover);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        p {
            margin: 0;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--color-primary);
            z-index: 1000;
            border-bottom: 1px solid var(--color-border-dark);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo .logo-divider {
            width: 1px;
            height: 20px;
            background-color: var(--color-accent);
            margin: 0 2px;
        }
        .logo .logo-sub {
            font-size: 13px;
            font-weight: 400;
            color: var(--color-text-muted);
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            color: #D1D5DB;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
            transition: var(--transition-normal);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: var(--transition-normal);
            border-radius: 1px;
        }
        .main-nav a:hover {
            color: var(--color-white);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--color-accent);
        }
        .main-nav a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            z-index: 1100;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-white);
            border-radius: 2px;
            transition: var(--transition-normal);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--color-primary);
            z-index: 999;
            flex-direction: column;
            padding: 32px 24px;
            gap: 8px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: #E5E7EB;
            font-size: 20px;
            font-weight: 500;
            padding: 16px 12px;
            border-bottom: 1px solid var(--color-border-dark);
            display: block;
            transition: var(--transition-normal);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-accent);
            background-color: rgba(198,161,91,0.06);
            border-radius: 6px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background-color: var(--color-primary);
            color: #C7CBD1;
            padding: 64px 0 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2.5fr 1fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .logo {
            color: var(--color-white);
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-muted);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: #9CA3AF;
            transition: var(--transition-normal);
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border-dark);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 13px;
            color: #9CA3AF;
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        /* ============ 分类页通用 ============ */
        .page-content {
            padding-top: var(--nav-height);
        }
        .breadcrumb-bar {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            margin: 0;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: var(--color-text-muted);
        }
        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        /* 窄标题区 */
        .category-hero {
            background-color: var(--color-primary);
            padding: 48px 0 42px;
            position: relative;
            overflow: hidden;
            min-height: 200px;
            display: flex;
            align-items: center;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 38%;
            background-image: url('/assets/images/f55cf2af6fd62080.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero .hero-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-accent);
            background-color: rgba(198,161,91,0.12);
            border: 1px solid rgba(198,161,91,0.3);
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }
        .category-hero h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.35;
            letter-spacing: 0.5px;
        }
        .category-hero h1 .accent {
            color: var(--color-accent);
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: #C7CBD1;
            max-width: 680px;
            margin-top: 10px;
            line-height: 1.7;
        }

        /* 筛选标签条 */
        .filter-bar {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 0;
            position: relative;
            z-index: 2;
        }
        .filter-bar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-right: 12px;
            white-space: nowrap;
        }
        .filter-bar .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .filter-bar .filter-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-secondary);
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            padding: 6px 16px;
            border-radius: 20px;
            transition: var(--transition-normal);
            cursor: default;
        }
        .filter-bar .filter-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background-color: rgba(198,161,91,0.06);
        }
        .filter-bar .filter-tag.active-tag {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            font-weight: 600;
        }

        /* 通用 section */
        .section {
            padding: var(--section-pad-desktop) 0;
        }
        .section-alt {
            background-color: var(--color-white);
        }
        .section-bg {
            background-color: var(--color-bg);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 720px;
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .section-title .underline {
            position: relative;
            display: inline-block;
            padding-bottom: 8px;
        }
        .section-title .underline::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 48px;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        /* 卡片列表主体 */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .content-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-normal);
            display: flex;
            flex-direction: column;
            min-height: 220px;
        }
        .content-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }
        .content-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }
        .content-card .card-tag {
            font-size: 11px;
            font-weight: 500;
            color: var(--color-accent);
            background-color: rgba(198,161,91,0.1);
            border: 1px solid rgba(198,161,91,0.25);
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.3px;
        }
        .content-card .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 12px;
            flex-shrink: 0;
        }
        .content-card .card-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            flex-grow: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }
        .content-card .card-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-accent);
            white-space: nowrap;
        }
        .content-card .card-link:hover {
            color: var(--color-accent-hover);
        }
        .empty-state {
            grid-column: 1 / -1;
            background-color: var(--color-bg);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
            padding: 48px 24px;
            text-align: center;
            font-size: 15px;
            color: var(--color-text-muted);
        }
        .empty-state .empty-icon {
            font-size: 36px;
            margin-bottom: 12px;
            color: var(--color-text-muted);
        }

        /* 费用表格 */
        .fee-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            background-color: var(--color-white);
            box-shadow: var(--shadow-card);
        }
        .fee-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
            min-width: 640px;
        }
        .fee-table thead th {
            background-color: var(--color-primary);
            color: var(--color-white);
            font-weight: 600;
            font-size: 14px;
            padding: 16px 20px;
            text-align: left;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .fee-table tbody td {
            padding: 15px 20px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            vertical-align: top;
            line-height: 1.7;
        }
        .fee-table tbody tr:last-child td {
            border-bottom: none;
        }
        .fee-table tbody tr:hover {
            background-color: rgba(198,161,91,0.04);
        }
        .fee-table .fee-name {
            font-weight: 600;
            color: var(--color-text);
            white-space: nowrap;
        }
        .fee-table .fee-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 500;
            color: var(--color-safe);
            background-color: rgba(46,107,95,0.1);
            border: 1px solid rgba(46,107,95,0.25);
            padding: 2px 8px;
            border-radius: 4px;
            margin-left: 8px;
            white-space: nowrap;
        }
        .fee-note {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 14px;
            line-height: 1.7;
        }

        /* 迷你FAQ */
        .mini-faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .mini-faq-item {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-normal);
        }
        .mini-faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }
        .mini-faq-item.open {
            border-color: var(--color-accent);
        }
        .mini-faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            background: none;
            width: 100%;
            text-align: left;
            transition: var(--transition-normal);
        }
        .mini-faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-accent);
            transition: var(--transition-normal);
        }
        .mini-faq-item.open .faq-icon {
            color: var(--color-risk);
            transform: rotate(45deg);
        }
        .mini-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 20px;
        }
        .mini-faq-item.open .mini-faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .mini-faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            border-left: 2px solid var(--color-accent);
            padding-left: 16px;
            background-color: var(--color-bg);
            border-radius: 0 6px 6px 0;
            padding: 14px 16px;
        }

        /* 计算器CTA */
        .calc-cta {
            background-color: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 32px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            background-image: radial-gradient(circle at 85% 50%, rgba(198,161,91,0.12) 0%, transparent 55%);
        }
        .calc-cta .calc-cta-text h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 8px;
        }
        .calc-cta .calc-cta-text p {
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: var(--transition-normal);
            letter-spacing: 0.5px;
            text-align: center;
            line-height: 1.5;
        }
        .btn-primary {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border: 1.5px solid var(--color-accent);
        }
        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(198,161,91,0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-ghost {
            background-color: transparent;
            color: var(--color-white);
            border: 1.5px solid var(--color-white);
        }
        .btn-ghost:hover {
            background-color: var(--color-white);
            color: var(--color-primary);
            border-color: var(--color-white);
            transform: translateY(-2px);
        }
        .btn-outline {
            background-color: var(--color-white);
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        /* 相关推荐 */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }
        .related-card .related-thumb {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .related-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .related-card .related-tag {
            font-size: 11px;
            font-weight: 500;
            color: var(--color-accent);
            background-color: rgba(198,161,91,0.1);
            border: 1px solid rgba(198,161,91,0.25);
            padding: 3px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .related-card .related-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .related-card .related-summary {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex-grow: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .related-card .related-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-accent);
            align-self: flex-start;
        }
        .related-card .related-link:hover {
            color: var(--color-accent-hover);
        }

        /* 底部CTA */
        .cta-section {
            background-color: var(--color-primary);
            padding: 64px 0;
            color: var(--color-white);
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 30%;
            background-image: url('/assets/images/ac553e0566d1a13b.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-info h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-white);
            letter-spacing: 0.5px;
        }
        .cta-info h2 .accent {
            color: var(--color-accent);
        }
        .cta-info p {
            font-size: 15px;
            color: #C7CBD1;
            line-height: 1.7;
            max-width: 420px;
        }
        .cta-form-card {
            background-color: var(--color-white);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: 0 12px 32px rgba(0,0,0,0.25);
        }
        .cta-form-card .form-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 20px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            margin-bottom: 6px;
            display: block;
            letter-spacing: 0.3px;
        }
        .form-control {
            width: 100%;
            height: 46px;
            padding: 0 16px;
            font-size: 14px;
            color: var(--color-text);
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            transition: var(--transition-normal);
        }
        .form-control:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(198,161,91,0.25);
            outline: none;
            background-color: var(--color-white);
        }
        textarea.form-control {
            height: auto;
            padding: 12px 16px;
            resize: vertical;
            min-height: 80px;
        }
        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235A616A' d='M1 1l5 5 5-5' stroke='%235A616A' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 40px;
        }
        .form-note {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 12px;
            line-height: 1.6;
        }
        .btn-block {
            width: 100%;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 32px;
            }
            .cta-wrapper {
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .category-hero {
                min-height: 180px;
                padding: 36px 0 32px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
                margin-top: 8px;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-wrapper {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .calc-cta {
                padding: 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .section-title {
                font-size: 24px;
            }
            .filter-bar .filter-tags {
                gap: 6px;
            }
            .filter-bar .filter-tag {
                font-size: 12px;
                padding: 5px 12px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero {
                padding: 28px 0 24px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-form-card {
                padding: 20px;
            }
            .calc-cta {
                padding: 18px;
            }
            .calc-cta .calc-cta-text h3 {
                font-size: 17px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .fee-table thead th,
            .fee-table tbody td {
                padding: 10px 14px;
                font-size: 13px;
            }
        }