/* roulang page: index */
:root {
            --color-primary: #10201C;
            --color-primary-hover: #1B332D;
            --color-accent: #C29A5B;
            --color-accent-light: #D4B88A;
            --color-accent-bg: #F0E7D8;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1A2320;
            --color-text-secondary: #59635E;
            --color-border: #E4DDD3;
            --color-danger: #C6473A;
            --color-danger-bg: #FDF2F0;
            --color-safe: #2E6E59;
            --color-safe-bg: #EDF5F1;
            --radius-card: 12px;
            --radius-btn: 6px;
            --radius-tag: 999px;
            --shadow-card: 0 1px 3px rgba(16, 32, 28, 0.08);
            --shadow-hover: 0 12px 28px rgba(16, 32, 28, 0.16);
            --shadow-focus: 0 0 0 2px var(--color-accent);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-number: system-ui, 'Inter', 'Segoe UI', 'SFMono', sans-serif;
            --container: 1200px;
            --section-pad: 72px 0;
            --section-pad-mobile: 40px 0;
            --gap: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
        }

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

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

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

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

        ul, ol {
            list-style: none;
        }

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

        h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
        }

        h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
        }

        h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .section-alt {
            padding: var(--section-pad);
            background-color: #FBF9F6;
        }

        .section-dark {
            padding: var(--section-pad);
            background-color: var(--color-primary);
            color: #E8E4DE;
        }

        .section-dark h2, .section-dark h3, .section-dark h4 {
            color: #FFFFFF;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1.2px;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            text-align: center;
            min-height: 46px;
            line-height: 1.4;
            white-space: nowrap;
        }

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

        .btn-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            border: 2px solid var(--color-primary);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-card);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border: 2px solid var(--color-accent);
        }

        .btn-accent:hover {
            background-color: var(--color-accent-light);
            border-color: var(--color-accent-light);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .btn-accent:active {
            transform: translateY(1px);
        }

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

        .btn-outline:hover {
            background-color: rgba(16, 32, 28, 0.05);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background-color: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.55);
        }

        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            min-height: 36px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            min-height: 52px;
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            background-color: var(--color-accent-bg);
            color: #7A5B2D;
            letter-spacing: 0.5px;
        }

        .tag-danger {
            background-color: var(--color-danger-bg);
            color: var(--color-danger);
        }

        .tag-safe {
            background-color: var(--color-safe-bg);
            color: var(--color-safe);
        }

        .tag-dark {
            background-color: rgba(194, 154, 91, 0.2);
            color: var(--color-accent-light);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 4px rgba(16, 32, 28, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .logo-icon span {
            transform: translateY(-1px);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
            transition: all 0.2s ease;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background-color: rgba(16, 32, 28, 0.04);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 1px;
        }

        .nav-cta {
            display: none;
            align-items: center;
            gap: 8px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            background: transparent;
            transition: background-color 0.2s ease;
        }

        .hamburger:hover {
            background-color: rgba(16, 32, 28, 0.04);
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background-color: rgba(16, 32, 28, 0.55);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ========== RISK STRIP ========== */
        .risk-strip {
            background-color: #1A0F0D;
            color: #E8DED9;
            padding: 14px 0;
            border-bottom: 1px solid rgba(198, 71, 58, 0.3);
        }

        .risk-strip-inner {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .risk-strip-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: rgba(198, 71, 58, 0.18);
            border: 1px solid rgba(198, 71, 58, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-danger);
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .risk-strip-text {
            flex: 1;
            min-width: 200px;
            font-size: 13px;
            line-height: 1.6;
            color: #D4C8C2;
        }

        .risk-strip-text strong {
            color: #F5E8E2;
            font-weight: 600;
        }

        /* ========== HERO ========== */
        .hero {
            background-color: var(--color-primary);
            background-image:
                repeating-linear-gradient(45deg, rgba(194, 154, 91, 0.06) 0, rgba(194, 154, 91, 0.06) 1px, transparent 1px, transparent 22px),
                repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.025) 0, rgba(255, 255, 255, 0.025) 1px, transparent 1px, transparent 28px);
            padding: 72px 0 64px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 580px;
            height: 420px;
            background: radial-gradient(ellipse at 70% 30%, rgba(194, 154, 91, 0.18), transparent 65%);
            pointer-events: none;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            flex: 0 0 54%;
            max-width: 54%;
        }

        .hero-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1.2px;
            color: var(--color-accent-light);
            background-color: rgba(194, 154, 91, 0.18);
            padding: 5px 16px;
            border-radius: var(--radius-tag);
            margin-bottom: 20px;
            border: 1px solid rgba(194, 154, 91, 0.3);
        }

        .hero-title {
            font-size: 34px;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.25;
            margin-bottom: 18px;
        }

        .hero-title em {
            font-style: normal;
            color: var(--color-accent-light);
        }

        .hero-desc {
            font-size: 15px;
            color: #B5BFBB;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-desc strong {
            color: #F0ECE6;
            font-weight: 600;
        }

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

        .hero-visual {
            flex: 0 0 46%;
            max-width: 46%;
            min-height: 320px;
            border-radius: var(--radius-card);
            background: linear-gradient(155deg, #1A2F2A 0%, #0E1D19 100%);
            border: 1px solid rgba(194, 154, 91, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 44px rgba(0, 0, 0, 0.35);
        }

        .hero-visual-img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
            border-radius: var(--radius-card);
            opacity: 0.85;
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-card);
            background: linear-gradient(to bottom, rgba(16, 32, 28, 0.35), rgba(16, 32, 28, 0.75));
            pointer-events: none;
        }

        .hero-visual-label {
            position: absolute;
            bottom: 18px;
            left: 20px;
            z-index: 2;
            font-size: 11px;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 0.5px;
            font-weight: 500;
        }

        /* ========== QUICK CONDITIONS ========== */
        .conditions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
        }

        .condition-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            text-align: center;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
        }

        .condition-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .condition-icon {
            width: 44px;
            height: 44px;
            margin: 0 auto 12px;
            border-radius: 50%;
            background-color: var(--color-accent-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            font-weight: 700;
        }

        .condition-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .condition-desc {
            font-size: 12px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* ========== PROCESS STEPS ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
        }

        .process-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            position: relative;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
        }

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

        .process-step {
            position: absolute;
            top: -14px;
            left: 22px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 800;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--color-card);
        }

        .process-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            margin-top: 10px;
        }

        .process-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== FUND TIERS ========== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }

        .tier-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

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

        .tier-card.featured {
            border-color: var(--color-accent);
            position: relative;
            background: linear-gradient(175deg, #FFFFFF 0%, #FBF7EF 100%);
        }

        .tier-card.featured::before {
            content: '常用选择';
            position: absolute;
            top: -12px;
            right: 20px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            letter-spacing: 0.5px;
        }

        .tier-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .tier-tag {
            font-size: 12px;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 16px;
        }

        .tier-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .tier-fee {
            font-size: 13px;
            color: var(--color-text);
            font-weight: 500;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        .tier-fee strong {
            color: var(--color-primary);
            font-weight: 700;
        }

        /* ========== CORE SYSTEM ========== */
        .system-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
        }

        .system-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
            text-align: left;
        }

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

        .system-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: var(--color-safe-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-size: 18px;
            color: var(--color-safe);
        }

        .system-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .system-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ========== CATEGORY ENTRANCE ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
        }

        .category-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

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

        .category-img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            display: block;
        }

        .category-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .category-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .category-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .category-link::after {
            content: '→';
            transition: transform 0.2s ease;
        }

        .category-card:hover .category-link::after {
            transform: translateX(4px);
        }

        /* ========== LEVERAGE & FEES ========== */
        .leverage-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .leverage-text {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .leverage-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .leverage-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .leverage-item::before {
            content: '';
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--color-accent);
            margin-top: 9px;
        }

        .leverage-item strong {
            color: var(--color-text);
            font-weight: 600;
        }

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

        .calculator-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            text-align: center;
        }

        .calculator-sub {
            font-size: 12px;
            color: var(--color-text-secondary);
            text-align: center;
            margin-bottom: 20px;
        }

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

        .slider-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--color-text);
            font-weight: 500;
            margin-bottom: 8px;
        }

        .slider-value {
            color: var(--color-accent);
            font-weight: 700;
            font-family: var(--font-number);
        }

        .slider-track {
            width: 100%;
            height: 6px;
            border-radius: 3px;
            background-color: var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .slider-fill {
            height: 100%;
            border-radius: 3px;
            background-color: var(--color-accent);
            width: 45%;
        }

        .calc-result {
            background-color: var(--color-accent-bg);
            border-radius: 8px;
            padding: 14px 16px;
            text-align: center;
            margin-top: 16px;
        }

        .calc-result-label {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-bottom: 4px;
        }

        .calc-result-value {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-primary);
            font-family: var(--font-number);
        }

        /* ========== RISK VISUALIZATION ========== */
        .risk-viz-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }

        .risk-viz-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
            border-left: 4px solid transparent;
        }

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

        .risk-viz-card.danger {
            border-left-color: var(--color-danger);
        }

        .risk-viz-card.warning {
            border-left-color: #C29A5B;
        }

        .risk-viz-card.safe {
            border-left-color: var(--color-safe);
        }

        .risk-viz-badge {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-tag);
        }

        .risk-viz-card.danger .risk-viz-badge {
            background-color: var(--color-danger-bg);
            color: var(--color-danger);
        }

        .risk-viz-card.warning .risk-viz-badge {
            background-color: var(--color-accent-bg);
            color: #7A5B2D;
        }

        .risk-viz-card.safe .risk-viz-badge {
            background-color: var(--color-safe-bg);
            color: var(--color-safe);
        }

        .risk-viz-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .risk-viz-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== TERMINAL SHOWCASE ========== */
        .terminal-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .terminal-visual {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(194, 154, 91, 0.3);
            box-shadow: var(--shadow-hover);
            position: relative;
            background-color: #0E1D19;
        }

        .terminal-img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            display: block;
        }

        .terminal-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px 18px;
            background: linear-gradient(to top, rgba(16, 32, 28, 0.9), transparent);
            color: #D4C8C2;
            font-size: 12px;
            text-align: center;
            letter-spacing: 0.5px;
        }

        .terminal-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 18px;
        }

        .terminal-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .terminal-item::before {
            content: '';
            flex-shrink: 0;
            width: 10px;
            height: 10px;
            border-radius: 2px;
            background-color: var(--color-accent);
            margin-top: 7px;
        }

        /* ========== MARKET TIMELINE ========== */
        .timeline {
            position: relative;
            padding-left: 28px;
            border-left: 2px solid var(--color-border);
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .timeline-item {
            position: relative;
            padding-left: 6px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -34px;
            top: 8px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--color-accent);
            border: 2px solid var(--color-card);
            box-shadow: 0 0 0 2px var(--color-accent);
        }

        .timeline-date {
            font-size: 12px;
            color: var(--color-text-secondary);
            font-weight: 500;
            margin-bottom: 4px;
            font-family: var(--font-number);
        }

        .timeline-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
        }

        /* ========== INFO/CMS LIST ========== */
        .info-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }

        .info-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

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

        .info-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }

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

        .info-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .info-card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .info-card-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }

        .info-card-meta {
            font-size: 12px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
        }

        .empty-state {
            text-align: center;
            padding: 44px 20px;
            color: var(--color-text-secondary);
            font-size: 14px;
            background-color: var(--color-card);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            background-color: var(--color-card);
            transition: all 0.2s ease;
        }

        .faq-item + .faq-item {
            border-top: none;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            transition: background-color 0.2s ease;
            user-select: none;
        }

        .faq-question:hover {
            background-color: rgba(16, 32, 28, 0.03);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--color-accent-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--color-primary);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background-color: var(--color-accent);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        .faq-item.active {
            border-left: 2px solid var(--color-accent);
            background-color: #FFFDF9;
        }

        /* ========== COMPLIANCE ========== */
        .compliance-block {
            background-color: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            color: #E8E4DE;
            border: 1px solid rgba(198, 71, 58, 0.3);
        }

        .compliance-title {
            font-size: 17px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compliance-title::before {
            content: '⚠';
            color: var(--color-danger);
            font-size: 18px;
        }

        .compliance-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .compliance-list li {
            font-size: 13px;
            color: #B5BFBB;
            line-height: 1.7;
            padding-left: 18px;
            position: relative;
        }

        .compliance-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-danger);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background-color: var(--color-accent-bg);
            border-radius: var(--radius-card);
            padding: 44px 36px;
            text-align: center;
            border: 1px solid rgba(194, 154, 91, 0.3);
        }

        .cta-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .cta-sub {
            font-size: 14px;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-btn);
            background-color: #FFFFFF;
            font-size: 14px;
            transition: all 0.2s ease;
            outline: none;
        }

        .cta-input:focus {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-focus);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background-color: var(--color-primary);
            color: #B5BFBB;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            font-size: 16px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 14px;
            border-radius: 6px;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: #8A9791;
            max-width: 320px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: #8A9791;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #6E7D77;
        }

        .footer-disclaimer {
            font-size: 11px;
            color: #5C6B65;
            line-height: 1.7;
            padding: 16px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .hero-inner {
                flex-direction: column;
                gap: 32px;
                text-align: center;
            }

            .hero-content {
                flex: 1;
                max-width: 100%;
            }

            .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-actions {
                justify-content: center;
            }

            .hero-visual {
                flex: 1;
                max-width: 100%;
                width: 100%;
                min-height: 280px;
            }

            .hero-visual-img {
                min-height: 280px;
            }

            .conditions-grid,
            .process-grid,
            .system-grid,
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .tier-grid,
            .risk-viz-grid,
            .info-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .leverage-grid,
            .terminal-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .section {
                padding: 56px 0;
            }

            .section-alt,
            .section-dark {
                padding: 56px 0;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }

            .main-nav {
                display: none;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background-color: #FFFFFF;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px 20px;
                gap: 2px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 12px 28px rgba(16, 32, 28, 0.12);
                z-index: 1000;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 8px;
            }

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

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

            .nav-cta {
                display: flex;
            }

            .hamburger {
                display: flex;
            }

            .hero {
                padding: 48px 0 40px;
            }

            .hero-title {
                font-size: 26px;
            }

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

            .hero-visual {
                min-height: 220px;
            }

            .hero-visual-img {
                min-height: 220px;
            }

            .conditions-grid,
            .process-grid,
            .system-grid,
            .category-grid,
            .tier-grid,
            .risk-viz-grid,
            .info-grid {
                grid-template-columns: 1fr;
            }

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

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

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

            .cta-section {
                padding: 32px 20px;
            }

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

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

            .cta-input {
                min-width: 100%;
            }

            .compliance-block {
                padding: 24px 20px;
            }

            .risk-strip-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

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

            .section,
            .section-alt,
            .section-dark {
                padding: 40px 0;
            }

            .hero-title {
                font-size: 22px;
                line-height: 1.35;
            }

            .hero-visual {
                min-height: 190px;
                border-radius: 8px;
            }

            .hero-visual-img {
                min-height: 190px;
                border-radius: 8px;
            }

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

            .btn {
                padding: 10px 20px;
                font-size: 14px;
                min-height: 42px;
            }

            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
                min-height: 46px;
            }

            .process-card,
            .condition-item,
            .tier-card,
            .system-card,
            .risk-viz-card,
            .info-card,
            .category-card {
                padding: 20px 16px;
            }

            .timeline {
                padding-left: 22px;
            }

            .timeline-item::before {
                left: -28px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #10201C;
            --color-primary-hover: #1B332D;
            --color-accent: #C29A5B;
            --color-accent-light: #D4B88A;
            --color-accent-bg: #F0E7D8;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1A2320;
            --color-text-secondary: #59635E;
            --color-border: #E4DDD3;
            --color-danger: #C6473A;
            --color-danger-bg: #FDF2F0;
            --color-safe: #2E6E59;
            --color-safe-bg: #EDF5F1;
            --radius-card: 12px;
            --radius-btn: 6px;
            --radius-tag: 999px;
            --shadow-card: 0 1px 3px rgba(16, 32, 28, 0.08);
            --shadow-hover: 0 12px 28px rgba(16, 32, 28, 0.16);
            --shadow-focus: 0 0 0 2px var(--color-accent);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-number: system-ui, 'Inter', 'Segoe UI', 'SFMono', sans-serif;
            --container: 1200px;
            --section-pad: 72px 0;
            --section-pad-mobile: 40px 0;
            --gap: 24px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-pad);
            background-color: var(--color-bg);
        }
        .section-alt {
            padding: var(--section-pad);
            background-color: #FBF9F6;
        }
        .section-dark {
            padding: var(--section-pad);
            background-color: var(--color-primary);
            color: #E8E4DE;
        }
        .section-dark h2, .section-dark h3, .section-dark h4 {
            color: #FFFFFF;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1.2px;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.8;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            text-align: center;
            min-height: 46px;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            border: 2px solid var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-card);
        }
        .btn-accent {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border: 2px solid var(--color-accent);
        }
        .btn-accent:hover {
            background-color: var(--color-accent-light);
            border-color: var(--color-accent-light);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-accent:active {
            transform: translateY(1px);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-outline:hover {
            background-color: rgba(16, 32, 28, 0.05);
            transform: translateY(-1px);
        }
        .btn-outline-light {
            background-color: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.55);
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 4px rgba(16, 32, 28, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background-color: var(--color-primary);
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 800;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .logo-icon span {
            line-height: 1;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-primary-hover);
        }
        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            border-bottom-color: var(--color-accent);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 4px;
            transition: background-color 0.2s;
        }
        .nav-toggle:hover {
            background-color: var(--color-bg);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.3s;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .breadcrumb-nav a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-sep {
            color: #B8B2A8;
            font-size: 14px;
        }
        .breadcrumb-current {
            color: var(--color-text);
            font-weight: 500;
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== Article Layout ===== */
        .article-layout {
            padding: 48px 0 72px;
        }
        .article-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 40px;
            align-items: start;
        }
        .article-main {
            min-width: 0;
        }
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 92px;
        }

        /* ===== Article Header ===== */
        .article-header-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            margin-bottom: 24px;
        }
        .article-category-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background-color: var(--color-accent-bg);
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 14px;
        }
        .article-h1 {
            font-size: 30px;
            line-height: 1.35;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 16px;
        }
        .article-excerpt {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--color-text-secondary);
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
        }
        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-dot {
            width: 4px;
            height: 4px;
            background-color: #D0C8BC;
            border-radius: 50%;
        }

        /* ===== Article Body ===== */
        .article-body-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 36px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            margin-bottom: 24px;
        }
        .article-body {
            font-size: 15px;
            line-height: 1.9;
            color: #2A3230;
        }
        .article-body h2 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            margin: 36px 0 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--color-accent);
        }
        .article-body h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text);
            margin: 28px 0 12px;
        }
        .article-body p {
            margin-bottom: 18px;
        }
        .article-body ul, .article-body ol {
            margin: 0 0 18px;
            padding-left: 26px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            background-color: var(--color-accent-bg);
            border-left: 3px solid var(--color-accent);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 8px 8px 0;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .article-body img {
            border-radius: 8px;
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }
        .article-body table th,
        .article-body table td {
            padding: 12px 16px;
            border: 1px solid var(--color-border);
            text-align: left;
        }
        .article-body table th {
            background-color: var(--color-bg);
            font-weight: 600;
            color: var(--color-text);
        }

        /* ===== Risk Warning Box ===== */
        .risk-box {
            border: 2px solid var(--color-danger);
            background-color: var(--color-danger-bg);
            border-radius: 8px;
            padding: 20px 24px;
            margin: 24px 0;
        }
        .risk-box-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-danger);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }
        .risk-box-title::before {
            content: '⚠';
            font-size: 18px;
        }
        .risk-box p {
            font-size: 14px;
            color: #5A3A36;
            margin: 0;
            line-height: 1.8;
        }

        /* ===== Related Articles ===== */
        .related-section {
            margin-bottom: 24px;
        }
        .related-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 20px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .related-card-img {
            height: 160px;
            overflow: hidden;
            background-color: var(--color-bg);
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .related-card-img img {
            transform: scale(1.03);
        }
        .related-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .related-card-desc {
            font-size: 12px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-time {
            font-size: 11px;
            color: #9C958A;
        }

        /* ===== Return Actions ===== */
        .return-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        /* ===== Sidebar ===== */
        .sidebar-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            margin-bottom: 20px;
        }
        .sidebar-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent);
        }
        .sidebar-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar-list li {
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .sidebar-list li a {
            display: flex;
            align-items: flex-start;
            gap: 6px;
            color: var(--color-text-secondary);
            transition: color 0.2s;
        }
        .sidebar-list li a:hover {
            color: var(--color-primary);
        }
        .sidebar-list li a::before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 5px;
            background-color: var(--color-accent);
            border-radius: 50%;
            margin-top: 9px;
            flex-shrink: 0;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud .tag-item {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-text-secondary);
            background-color: var(--color-bg);
            border-radius: var(--radius-tag);
            border: 1px solid var(--color-border);
            transition: all 0.2s;
            cursor: pointer;
        }
        .tag-cloud .tag-item:hover {
            background-color: var(--color-accent-bg);
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        /* ===== CTA Section ===== */
        .cta-block {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-block h2 {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .cta-block p {
            font-size: 14px;
            color: #B8C9C2;
            margin: 0;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary);
            color: #B8C3BE;
            padding: 48px 0 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .footer-brand .logo-icon {
            width: 38px;
            height: 38px;
            font-size: 14px;
        }
        .footer-desc {
            font-size: 13px;
            color: #9FAEA8;
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-grid ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-grid ul li {
            margin-bottom: 8px;
        }
        .footer-grid ul li a {
            font-size: 13px;
            color: #9FAEA8;
            transition: color 0.2s;
        }
        .footer-grid ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 12px;
            color: #7C8B85;
        }
        .footer-disclaimer {
            font-size: 11px;
            color: #6C7A75;
            line-height: 1.7;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-card {
                flex: 1;
                min-width: 240px;
                margin-bottom: 0;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                min-height: 60px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background-color: #FFFFFF;
                padding: 16px 24px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(16, 32, 28, 0.12);
                gap: 4px;
                align-items: stretch;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 4px;
                border-bottom: 1px solid var(--color-border);
                border-bottom-width: 1px;
                border-bottom-style: solid;
                border-bottom-color: var(--color-border);
            }
            .main-nav a.active {
                border-bottom-color: var(--color-accent);
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-header-card {
                padding: 24px 20px;
            }
            .article-body-card {
                padding: 24px 20px;
            }
            .article-h1 {
                font-size: 24px;
            }
            .cta-block {
                flex-direction: column;
                text-align: center;
            }
            .cta-actions {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-layout {
                padding: 24px 0 48px;
            }
            .article-h1 {
                font-size: 21px;
            }
            .article-body {
                font-size: 14px;
            }
            .article-body h2 {
                font-size: 18px;
            }
            .article-body h3 {
                font-size: 16px;
            }
            .article-sidebar {
                flex-direction: column;
            }
            .sidebar-card {
                min-width: auto;
            }
            .return-actions .btn {
                width: 100%;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #10201C;
            --color-primary-hover: #1B332D;
            --color-accent: #C29A5B;
            --color-accent-light: #D4B88A;
            --color-accent-bg: #F0E7D8;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1A2320;
            --color-text-secondary: #59635E;
            --color-border: #E4DDD3;
            --color-danger: #C6473A;
            --color-danger-bg: #FDF2F0;
            --color-safe: #2E6E59;
            --color-safe-bg: #EDF5F1;
            --radius-card: 12px;
            --radius-btn: 6px;
            --radius-tag: 999px;
            --shadow-card: 0 1px 3px rgba(16, 32, 28, 0.08);
            --shadow-hover: 0 12px 28px rgba(16, 32, 28, 0.16);
            --shadow-focus: 0 0 0 2px var(--color-accent);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-number: system-ui, 'Inter', 'Segoe UI', 'SFMono', sans-serif;
            --container: 1200px;
            --section-pad: 72px 0;
            --section-pad-mobile: 40px 0;
            --gap: 24px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
        }

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

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

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

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

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .section-alt {
            padding: var(--section-pad);
            background-color: #FBF9F6;
        }

        .section-dark {
            padding: var(--section-pad);
            background-color: var(--color-primary);
            color: #E8E4DE;
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark h4 {
            color: #FFFFFF;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1.2px;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            text-align: center;
            min-height: 46px;
            line-height: 1.4;
            white-space: nowrap;
        }

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

        .btn-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            border: 2px solid var(--color-primary);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-card);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border: 2px solid var(--color-accent);
        }

        .btn-accent:hover {
            background-color: var(--color-accent-light);
            border-color: var(--color-accent-light);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .btn-accent:active {
            transform: translateY(1px);
        }

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

        .btn-outline:hover {
            background-color: rgba(16, 32, 28, 0.05);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background-color: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.55);
        }

        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 4px rgba(16, 32, 28, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 12px 24px;
            max-width: var(--container);
            margin: 0 auto;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--color-primary);
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background-color: var(--color-primary);
            color: #FFFFFF;
            border-radius: 50%;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .logo-icon span {
            font-size: 14px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-btn);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background-color: rgba(16, 32, 28, 0.05);
        }

        .main-nav a.active {
            color: var(--color-primary);
            background-color: var(--color-accent-bg);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-btn);
            transition: background-color 0.2s ease;
        }

        .nav-toggle:hover {
            background-color: rgba(16, 32, 28, 0.05);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

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

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

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

        .mobile-nav {
            display: none;
            background-color: #FFFFFF;
            border-top: 1px solid var(--color-border);
            padding: 12px 0;
        }

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

        .mobile-nav a {
            display: block;
            padding: 12px 24px;
            font-size: 15px;
            color: var(--color-text);
            border-left: 3px solid transparent;
            transition: all 0.2s ease;
        }

        .mobile-nav a:hover {
            background-color: rgba(16, 32, 28, 0.04);
            color: var(--color-primary);
        }

        .mobile-nav a.active {
            border-left-color: var(--color-accent);
            background-color: var(--color-accent-bg);
            color: var(--color-primary);
            font-weight: 600;
        }

        /* Hero / Page Header */
        .page-hero {
            background-color: var(--color-primary);
            padding: 48px 0 56px;
            color: #E8E4DE;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/6af1ae6fb9296e52.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.2s ease;
        }

        .breadcrumb-custom a:hover {
            color: #FFFFFF;
        }

        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.45);
        }

        .breadcrumb-custom .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .page-hero .lead {
            font-size: 16px;
            line-height: 1.75;
            color: #CCD4D0;
            max-width: 760px;
            margin-bottom: 0;
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
        }

        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }

        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--gap);
        }

        .info-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .info-card .card-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background-color: var(--color-accent-bg);
            color: var(--color-accent);
            border-radius: 8px;
            font-size: 20px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .info-card h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 10px;
        }

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

        .info-card .card-link {
            display: inline-block;
            margin-top: 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
        }

        .info-card .card-link:hover {
            color: var(--color-primary);
        }

        /* Static card with image */
        .card-with-img {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .card-with-img .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background-color: var(--color-accent-bg);
        }

        .card-with-img .card-body {
            padding: 20px 22px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .card-with-img h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .card-with-img p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            flex-grow: 1;
        }

        .card-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 8px;
        }

        .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 3px 10px;
            border-radius: var(--radius-tag);
        }

        /* Parameter strip */
        .param-strip {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .param-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }

        .param-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .param-item .param-value {
            font-family: var(--font-number);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 4px;
        }

        .param-item .param-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .param-item .param-desc {
            font-size: 12px;
            color: var(--color-text-secondary);
            opacity: 0.8;
            margin-top: 6px;
        }

        /* Comparison cards */
        .compare-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .compare-card.featured {
            border-color: var(--color-accent);
            background-color: #FFFDF8;
        }

        .compare-card .compare-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            font-size: 11px;
            font-weight: 700;
            color: var(--color-primary);
            background-color: var(--color-accent);
            padding: 4px 12px;
            border-radius: var(--radius-tag);
        }

        .compare-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .compare-card .compare-price {
            font-family: var(--font-number);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .compare-card .compare-unit {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
        }

        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
            border-top: 1px solid var(--color-border);
            padding-top: 16px;
        }

        .compare-list li {
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 8px 0;
            border-bottom: 1px dashed var(--color-border);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .compare-list li::before {
            content: '✓';
            color: var(--color-safe);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .compare-list li.warn::before {
            content: '!';
            color: var(--color-danger);
            font-weight: 700;
        }

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

        .scene-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }

        .scene-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
        }

        .scene-item .scene-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: var(--color-accent-bg);
            color: var(--color-accent);
            border-radius: 50%;
            font-size: 18px;
            flex-shrink: 0;
        }

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

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

        /* Risk block */
        .risk-block {
            background-color: var(--color-danger-bg);
            border: 2px solid var(--color-danger);
            border-radius: var(--radius-card);
            padding: 28px 26px;
            color: #5A2A25;
        }

        .risk-block .risk-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 17px;
            font-weight: 700;
            color: var(--color-danger);
            margin-bottom: 14px;
        }

        .risk-block .risk-title .risk-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background-color: var(--color-danger);
            color: #FFFFFF;
            border-radius: 50%;
            font-size: 16px;
            flex-shrink: 0;
        }

        .risk-block p {
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 10px;
            color: #5A2A25;
        }

        .risk-block p:last-child {
            margin-bottom: 0;
        }

        .risk-block ul {
            list-style: none;
            padding: 0;
            margin: 10px 0 0;
        }

        .risk-block ul li {
            font-size: 14px;
            padding: 6px 0 6px 20px;
            position: relative;
            line-height: 1.7;
        }

        .risk-block ul li::before {
            content: '•';
            position: absolute;
            left: 4px;
            color: var(--color-danger);
            font-weight: 700;
        }

        /* CTA block */
        .cta-block {
            background-color: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            color: #E8E4DE;
            text-align: center;
        }

        .cta-block h2 {
            font-size: 24px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-block p {
            font-size: 15px;
            color: #C5CDC9;
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.75;
        }

        .cta-block .btn-row {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Related category cards */
        .related-cat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }

        .related-cat-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            text-align: center;
            height: 100%;
        }

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

        .related-cat-card .rc-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background-color: var(--color-accent-bg);
            color: var(--color-accent);
            border-radius: 50%;
            font-size: 22px;
            margin-bottom: 14px;
        }

        .related-cat-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .related-cat-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: #CFD8D3;
            padding: 56px 0 32px;
            border-top: 2px solid var(--color-accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 17px;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

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

        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: #A9B5AF;
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer ul li a {
            font-size: 13px;
            color: #A9B5AF;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: #8E9A94;
        }

        .footer-disclaimer {
            font-size: 11px;
            color: #8E9A94;
            line-height: 1.7;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .param-strip {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .page-hero {
                padding: 32px 0 40px;
            }
            .page-hero h1 {
                font-size: 26px;
                line-height: 1.35;
            }
            .page-hero .lead {
                font-size: 14px;
            }
            .section {
                padding: var(--section-pad-mobile);
            }
            .section-alt {
                padding: var(--section-pad-mobile);
            }
            .section-dark {
                padding: var(--section-pad-mobile);
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card-grid-3 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card-grid-2 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .param-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .param-item .param-value {
                font-size: 20px;
            }
            .scene-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .related-cat-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .cta-block {
                padding: 28px 20px;
            }
            .cta-block h2 {
                font-size: 20px;
            }
            .section-title {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .param-strip {
                grid-template-columns: 1fr;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                min-height: 42px;
            }
            .logo-area {
                font-size: 15px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .mobile-nav {
                padding: 8px 0;
            }
            .mobile-nav a {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #10201C;
            --color-primary-hover: #1B332D;
            --color-accent: #C29A5B;
            --color-accent-light: #D4B88A;
            --color-accent-bg: #F0E7D8;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1A2320;
            --color-text-secondary: #59635E;
            --color-border: #E4DDD3;
            --color-danger: #C6473A;
            --color-danger-bg: #FDF2F0;
            --color-safe: #2E6E59;
            --color-safe-bg: #EDF5F1;
            --radius-card: 12px;
            --radius-btn: 6px;
            --radius-tag: 999px;
            --shadow-card: 0 1px 3px rgba(16, 32, 28, 0.08);
            --shadow-hover: 0 12px 28px rgba(16, 32, 28, 0.16);
            --shadow-focus: 0 0 0 2px var(--color-accent);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-number: system-ui, 'Inter', 'Segoe UI', 'SFMono', sans-serif;
            --container: 1200px;
            --section-pad: 72px 0;
            --section-pad-mobile: 40px 0;
            --gap: 24px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-pad);
            background-color: var(--color-bg);
        }
        .section-alt {
            padding: var(--section-pad);
            background-color: #FBF9F6;
        }
        .section-dark {
            padding: var(--section-pad);
            background-color: var(--color-primary);
            color: #E8E4DE;
        }
        .section-dark h2, .section-dark h3, .section-dark h4 {
            color: #FFFFFF;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1.2px;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.8;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            text-align: center;
            min-height: 46px;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            border: 2px solid var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-card);
        }
        .btn-accent {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border: 2px solid var(--color-accent);
        }
        .btn-accent:hover {
            background-color: var(--color-accent-light);
            border-color: var(--color-accent-light);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-accent:active {
            transform: translateY(1px);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-outline:hover {
            background-color: rgba(16, 32, 28, 0.05);
            transform: translateY(-1px);
        }
        .btn-outline-light {
            background-color: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.55);
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-1px);
        }
        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 6px rgba(16, 32, 28, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            background-color: transparent;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
        }
        .menu-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: all 0.25s ease;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-btn);
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-primary);
            background-color: rgba(16, 32, 28, 0.05);
        }
        .main-nav a.active {
            color: var(--color-primary);
            background-color: var(--color-accent-bg);
            font-weight: 600;
            position: relative;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 999px;
        }
        /* Breadcrumb */
        .breadcrumb-nav {
            margin-bottom: 20px;
        }
        .breadcrumb-nav ol {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 13px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav li {
            color: rgba(232, 228, 222, 0.7);
        }
        .breadcrumb-nav li:not(:last-child)::after {
            content: '>';
            margin-left: 8px;
            color: rgba(232, 228, 222, 0.5);
        }
        .breadcrumb-nav a {
            color: var(--color-accent-light);
        }
        .breadcrumb-nav a:hover {
            color: #FFFFFF;
        }
        .breadcrumb-nav li[aria-current="page"] {
            color: #FFFFFF;
            font-weight: 500;
        }
        /* Page Header */
        .page-header {
            background-color: var(--color-primary);
            background-image: linear-gradient(135deg, rgba(16,32,28,0.96) 0%, rgba(27,51,45,0.88) 55%, rgba(194,154,91,0.35) 100%);
            padding: 48px 0 56px;
            color: #E8E4DE;
            position: relative;
            overflow: hidden;
        }
        .page-header::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(194,154,91,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-header h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .page-header .header-desc {
            font-size: 16px;
            line-height: 1.8;
            max-width: 720px;
            color: rgba(232, 228, 222, 0.85);
            position: relative;
            z-index: 1;
        }
        .page-header .header-actions {
            margin-top: 28px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        /* Info Cards Grid */
        .info-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
        }
        .info-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            transform: translateY(-2px);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
        }
        .info-card .card-img-wrap {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: #E8E4DE;
            position: relative;
        }
        .info-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .info-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .info-card .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .info-card .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.8px;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
            width: fit-content;
            text-transform: uppercase;
        }
        .info-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 10px;
        }
        .info-card p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
            flex: 1;
        }
        .info-card .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.2s ease;
        }
        .info-card .card-link:hover {
            color: var(--color-accent);
        }
        /* Parameter Strip */
        .param-strip {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .param-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }
        .param-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }
        .param-item .param-label {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--color-text-secondary);
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        .param-item .param-value {
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-number);
            color: var(--color-primary);
            line-height: 1.3;
        }
        .param-item .param-value.small {
            font-size: 14px;
            font-weight: 600;
        }
        /* Compare Cards */
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .compare-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            text-align: center;
        }
        .compare-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
        }
        .compare-card.featured {
            border-color: var(--color-accent);
            background: linear-gradient(180deg, #FBF7F0 0%, #FFFFFF 60%);
            position: relative;
        }
        .compare-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 12px;
            right: 12px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 1px;
            color: #FFFFFF;
            background-color: var(--color-accent);
            padding: 2px 12px;
            border-radius: var(--radius-tag);
        }
        .compare-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .compare-card .compare-tagline {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            text-align: left;
        }
        .compare-card ul li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--color-border);
            font-size: 14px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-card ul li:last-child {
            border-bottom: none;
        }
        .compare-card ul li::before {
            content: '✓';
            color: var(--color-safe);
            font-weight: 700;
            flex-shrink: 0;
        }
        .compare-card .compare-value {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            font-family: var(--font-number);
            margin-left: auto;
        }
        /* Scenario Blocks */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .scenario-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }
        .scenario-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }
        .scenario-item .scenario-icon {
            font-size: 28px;
            margin-bottom: 14px;
            display: block;
        }
        .scenario-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
        }
        .scenario-item p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }
        /* Risk Panel */
        .risk-panel {
            background-color: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(194, 154, 91, 0.3);
            border-left: 4px solid var(--color-danger);
            border-radius: var(--radius-card);
            padding: 28px;
            margin-top: 24px;
        }
        .risk-panel h3 {
            color: #FFFFFF;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .risk-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .risk-panel ul li {
            padding: 8px 0;
            padding-left: 22px;
            position: relative;
            color: rgba(232, 228, 222, 0.85);
            font-size: 14px;
            line-height: 1.7;
        }
        .risk-panel ul li::before {
            content: '!';
            position: absolute;
            left: 0;
            top: 8px;
            width: 16px;
            height: 16px;
            background-color: var(--color-danger);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        /* CTA Section */
        .cta-section {
            background-color: var(--color-primary);
            background-image: linear-gradient(120deg, rgba(16,32,28,0.95) 0%, rgba(27,51,45,0.9) 50%, rgba(194,154,91,0.45) 100%);
            padding: 48px 0;
            color: #E8E4DE;
        }
        .cta-section h2 {
            color: #FFFFFF;
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(232, 228, 222, 0.8);
            font-size: 14px;
            max-width: 560px;
            margin-bottom: 24px;
        }
        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-top: 16px;
        }
        .cta-form input, .cta-form select {
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-btn);
            padding: 11px 16px;
            color: #FFFFFF;
            font-size: 14px;
            outline: none;
            min-width: 160px;
            flex: 1;
            transition: border-color 0.2s ease;
        }
        .cta-form input::placeholder {
            color: rgba(232, 228, 222, 0.5);
        }
        .cta-form input:focus, .cta-form select:focus {
            border-color: var(--color-accent);
        }
        .cta-form select {
            background-color: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            appearance: none;
        }
        .cta-form select option {
            color: var(--color-text);
            background-color: #FFFFFF;
        }
        /* Related Entry */
        .related-entry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--gap);
            max-width: 760px;
            margin: 0 auto;
        }
        .related-entry-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }
        .related-entry-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
        }
        .related-entry-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .related-entry-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
        }
        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: #E8E4DE;
            padding: 48px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 18px;
        }
        .footer-brand span:last-child {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(232, 228, 222, 0.75);
            max-width: 320px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid ul li {
            margin-bottom: 10px;
        }
        .footer-grid ul a {
            font-size: 13px;
            color: rgba(232, 228, 222, 0.75);
            transition: color 0.2s ease;
        }
        .footer-grid ul a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: rgba(232, 228, 222, 0.6);
        }
        .footer-disclaimer {
            font-size: 11px;
            line-height: 1.6;
            color: rgba(232, 228, 222, 0.45);
            margin-top: 16px;
            margin-bottom: 0;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .info-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .param-strip {
                grid-template-columns: repeat(3, 1fr);
            }
            .compare-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-grid .compare-card:last-child {
                grid-column: 1 / -1;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid .scenario-item:last-child {
                grid-column: 1 / -1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section, .section-alt, .section-dark, .cta-section {
                padding: 40px 0;
            }
            .page-header {
                padding: 32px 0 40px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .page-header .header-desc {
                font-size: 14px;
            }
            .section-title {
                font-size: 21px;
            }
            .menu-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background-color: #FFFFFF;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 16px 30px rgba(16, 32, 28, 0.12);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 24px;
                z-index: 999;
            }
            .main-nav.nav-open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 12px;
                border-radius: 0;
                border-bottom: 1px solid rgba(228, 221, 211, 0.5);
                font-size: 15px;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a.active::after {
                display: none;
            }
            .info-card-grid {
                grid-template-columns: 1fr;
            }
            .param-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .compare-grid .compare-card:last-child {
                grid-column: auto;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid .scenario-item:last-child {
                grid-column: auto;
            }
            .related-entry-grid {
                grid-template-columns: 1fr;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input, .cta-form select {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .param-strip {
                grid-template-columns: 1fr;
            }
            .header-inner {
                min-height: 60px;
            }
            .main-nav {
                top: 60px;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #10201C;
            --color-primary-hover: #1B332D;
            --color-accent: #C29A5B;
            --color-accent-light: #D4B88A;
            --color-accent-bg: #F0E7D8;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1A2320;
            --color-text-secondary: #59635E;
            --color-border: #E4DDD3;
            --color-danger: #C6473A;
            --color-danger-bg: #FDF2F0;
            --color-safe: #2E6E59;
            --color-safe-bg: #EDF5F1;
            --radius-card: 12px;
            --radius-btn: 6px;
            --radius-tag: 999px;
            --shadow-card: 0 1px 3px rgba(16, 32, 28, 0.08);
            --shadow-hover: 0 12px 28px rgba(16, 32, 28, 0.16);
            --shadow-focus: 0 0 0 2px var(--color-accent);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-number: system-ui, 'Inter', 'Segoe UI', 'SFMono', sans-serif;
            --container: 1200px;
            --section-pad: 72px 0;
            --section-pad-mobile: 40px 0;
            --gap: 24px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-pad);
            background-color: var(--color-bg);
        }
        .section-alt {
            padding: var(--section-pad);
            background-color: #FBF9F6;
        }
        .section-dark {
            padding: var(--section-pad);
            background-color: var(--color-primary);
            color: #E8E4DE;
        }
        .section-dark h2, .section-dark h3, .section-dark h4 {
            color: #FFFFFF;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1.2px;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.8;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            text-align: center;
            min-height: 46px;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            border: 2px solid var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-card);
        }
        .btn-accent {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border: 2px solid var(--color-accent);
        }
        .btn-accent:hover {
            background-color: var(--color-accent-light);
            border-color: var(--color-accent-light);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-accent:active {
            transform: translateY(1px);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-outline:hover {
            background-color: rgba(16, 32, 28, 0.05);
            transform: translateY(-1px);
        }
        .btn-outline-light {
            background-color: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.55);
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-1px);
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 6px rgba(16, 32, 28, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            font-size: 18px;
            font-weight: 700;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .header-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
        }
        .header-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: width 0.25s ease;
        }
        .header-nav a:hover::after,
        .header-nav a.active::after {
            width: 100%;
        }
        .header-nav a:hover {
            color: var(--color-primary);
        }
        .header-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: none;
            border: none;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 16px 0;
            background-color: var(--color-bg);
        }
        .breadcrumb-bar .breadcrumb {
            margin: 0;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .breadcrumb-bar .breadcrumb a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-bar .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-bar .breadcrumb .separator {
            margin: 0 8px;
            color: var(--color-border);
        }
        /* Category Header */
        .category-hero {
            padding: 56px 0 40px;
            background-color: var(--color-primary);
            color: #E8E4DE;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background-image: url('/assets/images/6af1ae6fb9296e52.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: rgba(232, 228, 222, 0.85);
            max-width: 640px;
            line-height: 1.8;
        }
        /* Static Cards */
        .static-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .static-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .static-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .static-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .static-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .static-card:hover .static-card-img img {
            transform: scale(1.05);
        }
        .static-card-body {
            padding: 20px;
        }
        .static-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .static-card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .static-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .static-card-link:hover {
            color: var(--color-accent);
        }
        /* Info Strip */
        .info-strip {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px 48px;
            align-items: center;
            justify-content: space-between;
        }
        .info-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 120px;
        }
        .info-item .info-label {
            font-size: 12px;
            font-weight: 500;
            color: var(--color-text-secondary);
        }
        .info-item .info-value {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            font-family: var(--font-number);
        }
        /* Compare Cards */
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .compare-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }
        .compare-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .compare-card .compare-icon {
            font-size: 28px;
            margin-bottom: 12px;
            display: block;
        }
        .compare-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .compare-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-card ul li {
            font-size: 13px;
            color: var(--color-text-secondary);
            padding: 4px 0;
            border-top: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .compare-card ul li::before {
            content: '▸';
            color: var(--color-accent);
            font-size: 12px;
            flex-shrink: 0;
        }
        .compare-card.highlight {
            border-color: var(--color-accent);
            background-color: #FFFBFA;
        }
        /* Scenario Cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .scenario-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }
        .scenario-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .scenario-item .scenario-icon {
            font-size: 24px;
            display: block;
            margin-bottom: 8px;
        }
        .scenario-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .scenario-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        /* Risk Block */
        .risk-block {
            background-color: var(--color-danger-bg);
            border: 1px solid #E8B4AC;
            border-left: 4px solid var(--color-danger);
            border-radius: 8px;
            padding: 24px 28px;
            margin-top: 16px;
        }
        .risk-block h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-danger);
            margin-bottom: 8px;
        }
        .risk-block p {
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.8;
            margin-bottom: 8px;
        }
        .risk-block p:last-child {
            margin-bottom: 0;
        }
        /* CTA Block */
        .cta-block {
            background-color: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 48px;
            text-align: center;
            color: #E8E4DE;
        }
        .cta-block h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .cta-block p {
            font-size: 14px;
            color: rgba(232, 228, 222, 0.85);
            max-width: 540px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .cta-block .btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* Related Category Entries */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .related-cat-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            text-align: center;
        }
        .related-cat-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .related-cat-card .related-icon {
            font-size: 28px;
            display: block;
            margin-bottom: 10px;
        }
        .related-cat-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .related-cat-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: #B8C2BD;
            padding: 56px 0 24px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 16px;
        }
        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 14px;
            border-radius: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary);
        }
        .footer-desc {
            font-size: 13px;
            color: #8C9690;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: #8C9690;
            font-size: 13px;
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: #8C9690;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-disclaimer {
            font-size: 11px;
            color: #6A756E;
            line-height: 1.7;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .static-cards-grid,
            .compare-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .nav-toggle {
                display: flex;
            }
            .header-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background-color: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 12px 24px;
                box-shadow: 0 12px 24px rgba(16, 32, 28, 0.12);
                border-bottom: 2px solid var(--color-border);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease, padding 0.35s ease;
                padding: 0 24px;
            }
            .header-nav.open {
                max-height: 400px;
                padding: 12px 24px;
            }
            .header-nav a {
                padding: 10px 0;
                font-size: 15px;
                border-bottom: 1px solid var(--color-border);
                width: 100%;
            }
            .header-nav a:last-child {
                border-bottom: none;
            }
            .header-nav a::after {
                display: none;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .static-cards-grid,
            .compare-grid,
            .scenario-grid,
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h2 {
                font-size: 22px;
            }
            .info-strip {
                padding: 20px;
                gap: 16px 24px;
            }
        }
        @media (max-width: 520px) {
            .header-logo .logo-text {
                font-size: 15px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .section {
                padding: var(--section-pad-mobile);
            }
            .section-alt, .section-dark {
                padding: var(--section-pad-mobile);
            }
            .static-card-body {
                padding: 16px;
            }
            .compare-card {
                padding: 20px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                min-height: 42px;
            }
        }