/* roulang page: index */
:root {
            --color-primary: #1B3B3F;
            --color-primary-dark: #153133;
            --color-accent: #C9A227;
            --color-bg: #F6F5F1;
            --color-card: #FFFFFF;
            --color-danger: #E4572E;
            --color-success: #3E7B67;
            --color-text: #202B2C;
            --color-text-secondary: #5B6667;
            --color-text-muted: #8A9394;
            --color-border: #E4E0D8;
            --color-footer: #202B2C;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --font-mono: SFMono, Menlo, Consolas, 'Liberation Mono', monospace;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-badge: 20px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 12px 28px rgba(0, 0, 0, 0.10);
            --shadow-focus: 0 0 0 3px rgba(27, 59, 63, 0.12);
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
        }

        a:hover, a:focus-visible {
            color: var(--color-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

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

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

        ul, ol {
            list-style: none;
        }

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

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding-top: 0;
            padding-bottom: 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            text-decoration: none;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-left: 2px;
            flex-shrink: 0;
        }

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

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }

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

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 32px;
            height: 24px;
            justify-content: center;
            align-items: flex-end;
            padding: 0;
            background: transparent;
        }

        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.2s 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);
        }

        /* ===== Hero Section ===== */
        .hero {
            background: linear-gradient(135deg, #1B3B3F 0%, #202B2C 100%);
            color: #FFFFFF;
            padding: 140px 0 80px;
            position: relative;
            overflow: hidden;
            border-bottom: 3px solid var(--color-accent);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: url('/assets/images/c430167657dca921.webp') center/cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 4px;
            height: 100%;
            background: var(--color-accent);
            opacity: 0.6;
        }

        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .hero-content {
            padding-right: 24px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(201, 162, 39, 0.16);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            border: 1px solid rgba(201, 162, 39, 0.35);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero h1 {
            font-size: 38px;
            line-height: 1.35;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero h1 .highlight {
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 32px;
            max-width: 480px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 46px;
            padding: 0 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: all 0.25s ease;
            letter-spacing: 0.3px;
            cursor: pointer;
            line-height: 1.4;
        }

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

        .btn-primary:hover {
            background: #b8941f;
            border-color: #b8941f;
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(201, 162, 39, 0.3);
        }

        .btn-primary:focus-visible {
            outline: 2px solid #FFFFFF;
            outline-offset: 3px;
        }

        .btn-outline {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.6);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-1px);
        }

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

        .btn-dark:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-1px);
        }

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

        .btn-outline-dark:hover {
            background: rgba(27, 59, 63, 0.08);
            color: var(--color-primary);
            text-decoration: none;
        }

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

        .btn-danger:hover {
            background: #c8441f;
            border-color: #c8441f;
            color: #FFFFFF;
            text-decoration: none;
        }

        .btn-sm {
            min-height: 38px;
            padding: 0 18px;
            font-size: 14px;
        }

        .hero-image {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
            border: 3px solid rgba(201, 162, 39, 0.5);
            position: relative;
        }

        .hero-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: 12px;
        }

        .hero-image .img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(27, 59, 63, 0.85), transparent);
            padding: 40px 24px 20px;
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.5px;
            pointer-events: none;
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

        .section-alt {
            background: #FFFFFF;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

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

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 28px;
            background: var(--color-accent);
            margin-right: 12px;
            vertical-align: middle;
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            max-width: 640px;
            line-height: 1.75;
        }

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

        .section-header {
            margin-bottom: 36px;
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 28px 0;
        }

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

        .stat-item {
            text-align: center;
            padding: 8px 16px;
            border-right: 1px solid var(--color-border);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-number {
            font-family: var(--font-mono);
            font-size: 34px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -1px;
            line-height: 1.2;
            display: block;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* ===== Ranking List ===== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .ranking-item {
            display: grid;
            grid-template-columns: 56px 1fr auto auto;
            gap: 18px;
            align-items: center;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
            position: relative;
        }

        .ranking-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--color-accent);
            opacity: 0;
            border-radius: 12px 0 0 12px;
            transition: opacity 0.25s ease;
        }

        .ranking-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .ranking-item:hover::before {
            opacity: 1;
        }

        .ranking-badge {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFFFFF;
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            letter-spacing: -0.5px;
        }

        .ranking-badge.top1 {
            background: var(--color-accent);
        }

        .ranking-info {
            min-width: 0;
        }

        .ranking-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 2px;
        }

        .ranking-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-metrics {
            display: flex;
            gap: 24px;
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--color-text-secondary);
            text-align: right;
        }

        .ranking-metrics span {
            display: block;
        }

        .ranking-metrics .metric-value {
            font-weight: 700;
            font-size: 16px;
            color: var(--color-primary);
        }

        .ranking-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            white-space: nowrap;
            padding: 8px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            transition: all 0.2s ease;
        }

        .ranking-link:hover {
            background: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
            text-decoration: none;
        }

        /* ===== Entry Cards ===== */
        .entry-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

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

        .entry-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            border: 2px solid var(--color-border);
        }

        .entry-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .entry-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .entry-content p {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .entry-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .tag {
            display: inline-block;
            background: rgba(27, 59, 63, 0.08);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.3px;
            border: 1px solid rgba(27, 59, 63, 0.15);
        }

        .tag-accent {
            background: rgba(201, 162, 39, 0.14);
            color: #8a6d1a;
            border-color: rgba(201, 162, 39, 0.3);
        }

        .tag-danger {
            background: rgba(228, 87, 46, 0.1);
            color: var(--color-danger);
            border-color: rgba(228, 87, 46, 0.25);
        }

        /* ===== Product Plans ===== */
        .plans-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .plan-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 16px;
            transition: all 0.25s ease;
        }

        .plan-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .plan-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 16px;
        }

        .plan-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
        }

        .plan-badge {
            font-size: 12px;
            font-weight: 600;
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            white-space: nowrap;
        }

        .plan-name-accent {
            color: var(--color-primary);
        }

        .plan-details {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .plan-detail-row {
            display: flex;
            justify-content: space-between;
            font-size: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--color-border);
        }

        .plan-detail-row:last-child {
            border-bottom: none;
        }

        .plan-detail-label {
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .plan-detail-value {
            color: var(--color-text);
            font-weight: 600;
            font-family: var(--font-mono);
        }

        .plan-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            align-self: flex-start;
            padding-top: 4px;
        }

        .plan-link:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        /* ===== Steps Timeline ===== */
        .steps-horizontal {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            margin-top: 8px;
        }

        .step-item {
            position: relative;
            padding: 24px 18px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            text-align: center;
            transition: all 0.25s ease;
        }

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

        .step-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFFFFF;
            font-family: var(--font-mono);
            font-size: 15px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
        }

        .step-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .step-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .steps-cta {
            margin-top: 28px;
            text-align: center;
        }

        /* ===== Cost Transparency ===== */
        .cost-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .cost-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .cost-text p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

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

        .cost-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .cost-line {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 15px;
        }

        .cost-line:last-child {
            border-bottom: none;
        }

        .cost-line .label {
            color: var(--color-text-secondary);
        }

        .cost-line .value {
            font-weight: 600;
            font-family: var(--font-mono);
            color: var(--color-text);
        }

        /* ===== Risk & Safety ===== */
        .risk-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 32px;
            background: var(--color-primary);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }

        .risk-left {
            background: url('/assets/images/2a33f1ab869a46fa.webp') center/cover no-repeat;
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: flex-end;
            padding: 36px;
        }

        .risk-left::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(27, 59, 63, 0.9), rgba(27, 59, 63, 0.3));
        }

        .risk-left-content {
            position: relative;
            z-index: 1;
            color: #FFFFFF;
        }

        .risk-left-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #FFFFFF;
        }

        .risk-left-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 320px;
        }

        .risk-right {
            padding: 36px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 20px;
        }

        .risk-point {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            border-left: 4px solid var(--color-danger);
        }

        .risk-point .icon-placeholder {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(228, 87, 46, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .risk-point h4 {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 4px;
        }

        .risk-point p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.65;
        }

        /* ===== CMS List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .news-card-inner {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(27, 59, 63, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            display: inline-block;
            align-self: flex-start;
            margin-bottom: 10px;
        }

        .news-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .news-card h3 a {
            color: inherit;
            text-decoration: none;
        }

        .news-card h3 a:hover {
            color: var(--color-primary);
            text-decoration: underline;
        }

        .news-card-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .news-card-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            gap: 14px;
            align-items: center;
        }

        .empty-state {
            background: var(--color-card);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
            padding: 48px 24px;
            text-align: center;
            font-size: 15px;
            color: var(--color-text-muted);
            grid-column: 1 / -1;
        }

        .empty-state .empty-icon {
            font-size: 40px;
            margin-bottom: 12px;
            display: block;
        }

        /* ===== Calculator Entry ===== */
        .calc-entry {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
            background: #FFFFFF;
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            align-items: center;
            box-shadow: var(--shadow-card-hover);
        }

        .calc-entry h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .calc-entry p {
            font-size: 15px;
            color: var(--color-text-secondary);
        }

        .calc-icon-placeholder {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(201, 162, 39, 0.15);
            border: 2px solid var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            margin: 0 auto;
        }

        /* ===== Case Cards ===== */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .case-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }

        .case-card-body {
            padding: 20px 22px;
        }

        .case-card-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .case-card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .case-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
        }

        .case-card-link:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .faq-item.active {
            background: #FAF9F7;
            border-left: 4px solid var(--color-accent);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color 0.2s ease;
        }

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

        .faq-chevron {
            font-size: 18px;
            color: var(--color-text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-chevron {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            padding: 0 16px;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 16px 16px;
        }

        /* ===== Knowledge Cards ===== */
        .knowledge-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .knowledge-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .knowledge-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .knowledge-card .kc-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(27, 59, 63, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .knowledge-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .knowledge-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 8px;
        }

        .knowledge-card a {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
        }

        .knowledge-card a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        /* ===== Regulation ===== */
        .regulation-block {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 32px;
            align-items: start;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            box-shadow: var(--shadow-card);
        }

        .regulation-block h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
        }

        .regulation-points {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .regulation-point {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .regulation-point .rp-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-success);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ===== Form ===== */
        .form-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 40px;
            box-shadow: var(--shadow-card-hover);
        }

        .form-info h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .form-info p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            min-height: 46px;
            padding: 10px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-input);
            background: #FBFBF9;
            font-size: 15px;
            color: var(--color-text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-focus);
        }

        .form-group .error-text {
            font-size: 13px;
            color: var(--color-danger);
            margin-top: 4px;
            display: none;
        }

        .form-group.has-error input,
        .form-group.has-error textarea {
            border-color: var(--color-danger);
        }

        .form-group.has-error .error-text {
            display: block;
        }

        .form-submit-row {
            text-align: right;
            margin-top: 8px;
        }

        /* ===== Partners ===== */
        .partners-strip {
            background: #F0EFEB;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 28px 0;
        }

        .partners-strip .container {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
            justify-content: center;
        }

        .partner-badge {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-muted);
            padding: 8px 20px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-badge);
            background: #FFFFFF;
            transition: all 0.2s ease;
        }

        .partner-badge:hover {
            color: var(--color-primary);
            border-color: var(--color-accent);
            background: #FFFFFF;
        }

        /* ===== Insights ===== */
        .insights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .insight-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 8px;
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }

        .insight-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

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

        .insight-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        .insight-card a {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
        }

        .insight-card a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        /* ===== Quick Links ===== */
        .quick-links {
            background: #FFFFFF;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 44px 0;
        }

        .quick-links .container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .quick-col h5 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
        }

        .quick-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .quick-col ul a {
            font-size: 14px;
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .quick-col ul a:hover {
            color: var(--color-primary);
            text-decoration: underline;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-footer);
            color: #FFFFFF;
            padding: 56px 0 0;
        }

        .site-footer .container {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand h4 {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .footer-brand h4 .logo-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-left: 3px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }

        .footer-col h5 {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom .container {
            display: block;
            padding-bottom: 0;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero .container {
                gap: 36px;
            }

            .hero h1 {
                font-size: 32px;
            }

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

            .stat-item:nth-child(2) {
                border-right: none;
            }

            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-right: 1px solid var(--color-border);
            }

            .stat-item:nth-child(4) {
                border-right: none;
            }

            .entry-showcase,
            .entry-showcase.reverse {
                gap: 28px;
            }

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

            .cost-layout {
                gap: 28px;
            }

            .risk-layout {
                grid-template-columns: 1fr 1fr;
            }

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

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

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

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

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

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

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
                gap: 0;
                overflow-y: auto;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
                z-index: 999;
            }

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

            .main-nav a {
                font-size: 18px;
                padding: 14px 0;
                width: 100%;
                border-bottom: 1px solid var(--color-border);
                border-bottom-width: 1px;
                border-bottom-style: solid;
            }

            .main-nav a.active {
                border-bottom-color: var(--color-accent);
                border-bottom-width: 2px;
            }

            .nav-toggle {
                display: flex;
            }

            .hero {
                padding: 110px 0 60px;
            }

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

            .hero-content {
                padding-right: 0;
                text-align: center;
            }

            .hero-badge {
                margin: 0 auto 16px;
                display: inline-block;
            }

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

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

            .hero-image {
                max-width: 400px;
                margin: 0 auto;
            }

            .section {
                padding: var(--spacing-section-mobile) 0;
            }

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

            .entry-showcase,
            .entry-showcase.reverse {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

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

            .cost-layout {
                grid-template-columns: 1fr;
            }

            .risk-layout {
                grid-template-columns: 1fr;
            }

            .risk-left {
                min-height: 200px;
            }

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

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

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

            .regulation-block {
                grid-template-columns: 1fr;
                padding: 24px;
            }

            .calc-entry {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 16px;
            }

            .calc-icon-placeholder {
                margin: 0 auto;
            }

            .quick-links .container {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

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

            .form-layout {
                padding: 24px;
            }

            .form-submit-row {
                text-align: center;
            }

            .form-submit-row .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
                line-height: 1.45;
            }

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

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

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

            .stats-strip .container {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-item {
                border-right: none !important;
                padding: 6px 8px;
            }

            .stat-number {
                font-size: 26px;
            }

            .stat-label {
                font-size: 12px;
            }

            .ranking-item {
                grid-template-columns: 42px 1fr;
                gap: 12px;
                padding: 14px 16px;
            }

            .ranking-badge {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }

            .ranking-metrics {
                display: none;
            }

            .ranking-link {
                grid-column: 1 / -1;
                text-align: center;
            }

            .steps-horizontal {
                grid-template-columns: 1fr;
            }

            .quick-links .container {
                grid-template-columns: 1fr;
            }

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

            .regulation-block {
                padding: 18px;
            }

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

            .news-card-inner {
                padding: 16px 18px;
            }

            .btn {
                min-height: 42px;
                padding: 0 20px;
                font-size: 14px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1B3B3F;
            --color-primary-dark: #153133;
            --color-accent: #C9A227;
            --color-bg: #F6F5F1;
            --color-card: #FFFFFF;
            --color-danger: #E4572E;
            --color-success: #3E7B67;
            --color-text: #202B2C;
            --color-text-secondary: #5B6667;
            --color-text-muted: #8A9394;
            --color-border: #E4E0D8;
            --color-footer: #202B2C;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --font-mono: SFMono, Menlo, Consolas, 'Liberation Mono', monospace;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-badge: 20px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 12px 28px rgba(0, 0, 0, 0.10);
            --shadow-focus: 0 0 0 3px rgba(27, 59, 63, 0.12);
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 64px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }
        a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: var(--color-accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding-top: 0;
            padding-bottom: 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            text-decoration: none;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-left: 2px;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-primary);
        }
        .main-nav a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 32px;
            height: 24px;
            justify-content: center;
            align-items: flex-end;
            padding: 0;
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.2s 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-section {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 18px 0;
            margin-bottom: 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--color-text-secondary);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.2s ease;
        }
        .breadcrumb-nav a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-nav .sep {
            color: var(--color-border);
            user-select: none;
        }
        .breadcrumb-nav .current {
            color: var(--color-primary);
            font-weight: 600;
            max-width: 280px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        /* ===== Article Header ===== */
        .article-header-section {
            background: #FFFFFF;
            padding: 40px 0 32px;
            border-bottom: 1px solid var(--color-border);
        }
        .article-header-section .container {
            max-width: 860px;
        }
        .article-category-tag {
            display: inline-block;
            background: var(--color-primary);
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .article-title {
            font-size: 32px;
            line-height: 1.35;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 16px;
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item strong {
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .article-read-count {
            font-family: var(--font-mono);
            color: var(--color-accent);
            font-weight: 600;
        }
        /* ===== Article Body ===== */
        .article-body-section {
            padding: 48px 0;
            background: var(--color-bg);
        }
        .article-body-section .container {
            max-width: 860px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .article-summary-box {
            background: #FFFFFF;
            border-left: 4px solid var(--color-accent);
            padding: 20px 24px;
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            box-shadow: var(--shadow-card);
            font-size: 17px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            font-weight: 400;
        }
        .article-content {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 40px 44px;
            box-shadow: var(--shadow-card);
            color: var(--color-text);
            font-size: 16px;
            line-height: 1.85;
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-top: 36px;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent);
        }
        .article-content h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-text);
            margin-top: 28px;
            margin-bottom: 12px;
        }
        .article-content p {
            margin-bottom: 18px;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 18px;
            padding-left: 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--color-accent);
            padding: 16px 20px;
            margin: 24px 0;
            background: #FBFBF9;
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            color: var(--color-text-secondary);
            font-size: 16px;
        }
        .article-content img {
            margin: 24px 0;
            width: 100%;
            height: auto;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .article-content table th {
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .article-content table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border);
        }
        .article-content table tr:nth-child(even) td {
            background: #FBFBF9;
        }
        .article-not-found {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 60px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .article-not-found .icon {
            font-size: 48px;
            margin-bottom: 16px;
            color: var(--color-text-muted);
        }
        .article-not-found h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--color-text-secondary);
            margin-bottom: 24px;
        }
        .article-not-found .btn {
            display: inline-block;
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.25s ease;
        }
        .article-not-found .btn:hover {
            background: var(--color-primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        /* ===== In-article CTA ===== */
        .article-cta-bar {
            background: linear-gradient(135deg, #1B3B3F 0%, #202B2C 100%);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(201, 162, 39, 0.3);
        }
        .article-cta-bar .cta-text {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 500;
            line-height: 1.6;
        }
        .article-cta-bar .cta-text strong {
            color: var(--color-accent);
            font-weight: 700;
        }
        .article-cta-bar .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .article-cta-bar .btn-outline-light {
            display: inline-block;
            background: transparent;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.5);
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.25s ease;
        }
        .article-cta-bar .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--color-accent);
            color: var(--color-accent);
            text-decoration: none;
        }
        /* ===== Related Articles ===== */
        .related-section {
            padding: 48px 0;
            background: #FFFFFF;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .related-section .container {
            max-width: 1200px;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 28px;
            position: relative;
            padding-left: 16px;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            text-decoration: none;
            color: var(--color-text);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            color: var(--color-text);
            text-decoration: none;
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(201, 162, 39, 0.1);
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
            width: fit-content;
        }
        .related-card .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .related-card .card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 14px;
            line-height: 1.7;
            flex: 1;
        }
        .related-card .card-time {
            font-size: 12px;
            color: var(--color-text-muted);
            font-family: var(--font-mono);
        }
        /* ===== Back Actions ===== */
        .back-actions-section {
            padding: 40px 0;
            background: var(--color-bg);
        }
        .back-actions-section .container {
            max-width: 860px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-primary-custom {
            display: inline-block;
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.25s ease;
            border: 2px solid var(--color-primary);
        }
        .btn-primary-custom:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            text-decoration: none;
        }
        .btn-outline-custom {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.25s ease;
            border: 2px solid var(--color-primary);
        }
        .btn-outline-custom:hover {
            background: rgba(27, 59, 63, 0.06);
            color: var(--color-primary);
            transform: translateY(-2px);
            text-decoration: none;
        }
        /* ===== Comment Section ===== */
        .comment-section {
            padding: 48px 0 72px;
            background: #FFFFFF;
            border-top: 1px solid var(--color-border);
        }
        .comment-section .container {
            max-width: 860px;
        }
        .comment-form-card {
            background: #FBFBF9;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            margin-bottom: 32px;
        }
        .comment-form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 20px;
        }
        .comment-form-card .form-group {
            margin-bottom: 16px;
        }
        .comment-form-card label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
        }
        .comment-form-card input,
        .comment-form-card textarea {
            width: 100%;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-input);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--color-text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            min-height: 48px;
            resize: vertical;
        }
        .comment-form-card input:focus,
        .comment-form-card textarea:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-focus);
        }
        .comment-form-card .btn-submit {
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all 0.25s ease;
            border: none;
            min-height: 44px;
        }
        .comment-form-card .btn-submit:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .comment-item {
            display: flex;
            gap: 16px;
            padding: 16px 20px;
            background: #FBFBF9;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
        }
        .comment-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .comment-content {
            flex: 1;
        }
        .comment-content .comment-author {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .comment-content .comment-time {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 8px;
        }
        .comment-content .comment-text {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .comment-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-muted);
            font-size: 15px;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-footer);
            color: rgba(255, 255, 255, 0.85);
            padding-top: 60px;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
        }
        .site-footer h4 {
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer h4 .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 0;
        }
        .site-footer h5 {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .footer-bottom {
            margin-top: 40px;
            padding: 18px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-bottom .container {
            display: block;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 20px;
            }
            .main-nav a {
                font-size: 14px;
            }
            .article-title {
                font-size: 28px;
                line-height: 1.4;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                gap: 0;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .main-nav a {
                display: block;
                padding: 14px 0;
                font-size: 18px;
                border-bottom: 1px solid var(--color-border);
                white-space: normal;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a.active {
                border-bottom-color: var(--color-accent);
            }
            .article-header-section {
                padding: 28px 0 24px;
            }
            .article-title {
                font-size: 24px;
                line-height: 1.45;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .article-content {
                padding: 28px 20px;
            }
            .article-content h2 {
                font-size: 20px;
            }
            .article-cta-bar {
                padding: 20px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .back-actions-section .container {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                text-align: center;
                width: 100%;
            }
            .comment-form-card {
                padding: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .breadcrumb-nav {
                font-size: 12px;
            }
            .breadcrumb-nav .current {
                max-width: 160px;
            }
            .article-title {
                font-size: 21px;
                line-height: 1.5;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .article-content {
                padding: 22px 16px;
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 18px;
            }
            .article-content h3 {
                font-size: 17px;
            }
            .article-summary-box {
                padding: 16px 18px;
                font-size: 15px;
            }
            .article-cta-bar .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .article-cta-bar .btn-outline-light {
                text-align: center;
                width: 100%;
            }
            .section-title {
                font-size: 20px;
            }
            .related-card .card-img {
                height: 160px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1B3B3F;
            --color-primary-dark: #153133;
            --color-accent: #C9A227;
            --color-bg: #F6F5F1;
            --color-card: #FFFFFF;
            --color-danger: #E4572E;
            --color-success: #3E7B67;
            --color-text: #202B2C;
            --color-text-secondary: #5B6667;
            --color-text-muted: #8A9394;
            --color-border: #E4E0D8;
            --color-footer: #202B2C;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --font-mono: SFMono, Menlo, Consolas, 'Liberation Mono', monospace;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-badge: 20px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 12px 28px rgba(0, 0, 0, 0.10);
            --shadow-focus: 0 0 0 3px rgba(27, 59, 63, 0.12);
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 64px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding-top: var(--nav-height);
        }
        a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
        }
        a:hover, a:focus-visible {
            color: var(--color-accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            text-decoration: none;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-left: 2px;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-primary);
        }
        .main-nav a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 32px;
            height: 24px;
            justify-content: center;
            align-items: flex-end;
            padding: 0;
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.2s 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);
        }
        /* Sections */
        section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: #FFFFFF;
        }
        .section-deep {
            background: var(--color-primary);
            color: #FFFFFF;
        }
        .section-title-wrap {
            margin-bottom: 36px;
        }
        .section-title {
            font-size: 28px;
            line-height: 38px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            position: relative;
            padding-left: 16px;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            background: var(--color-accent);
            border-radius: 4px;
        }
        .section-sub {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin: 0;
        }
        /* Breadcrumb */
        .page-header {
            background: #F6F5F1;
            border-bottom: 1px solid var(--color-border);
            padding: 32px 0 28px;
            margin-bottom: 8px;
        }
        .breadcrumb {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 8px;
        }
        .breadcrumb a {
            color: var(--color-primary);
            text-decoration: none;
        }
        .breadcrumb span {
            margin: 0 6px;
        }
        .page-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
        }
        .page-header .lead {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 800px;
            margin: 0;
        }
        /* Cards */
        .card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
            transform: translateY(-4px);
        }
        .product-card {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }
        .product-card .product-icon {
            width: 40px;
            height: 40px;
            background: rgba(27,59,63,0.08);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary);
        }
        .product-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0;
        }
        .product-card .meta {
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .product-card .cost {
            font-family: var(--font-mono);
            font-size: 16px;
            color: var(--color-primary);
        }
        .badge-accent {
            background: rgba(201,162,39,0.12);
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            display: inline-block;
        }
        .badge-danger {
            background: rgba(228,87,46,0.12);
            color: var(--color-danger);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            display: inline-block;
        }
        /* Steps */
        .steps {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 16px;
        }
        .step-item {
            flex: 1 1 200px;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            position: relative;
        }
        .step-number {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .step-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 4px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
        }
        /* Risk warning */
        .risk-box {
            background: #FFF4EF;
            border-left: 4px solid var(--color-danger);
            padding: 20px 24px;
            border-radius: 8px;
            margin-bottom: 16px;
        }
        .risk-box h4 {
            color: var(--color-danger);
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 8px;
        }
        .risk-box ul {
            margin: 0;
            padding-left: 20px;
            color: var(--color-text-secondary);
        }
        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 16px 0;
        }
        .faq-question {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background 0.2s ease;
        }
        .faq-question:hover {
            background: #F6F5F1;
        }
        .faq-answer {
            font-size: 15px;
            color: var(--color-text-secondary);
            padding: 8px 8px 4px 20px;
            border-left: 4px solid transparent;
            margin-top: 4px;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
            border-left-color: var(--color-accent);
            background: #FAFAF8;
        }
        .faq-chevron {
            transition: transform 0.3s ease;
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .faq-item.active .faq-chevron {
            transform: rotate(180deg);
        }
        /* Form */
        .form-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 32px;
            max-width: 680px;
            margin: 0 auto;
        }
        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .form-control {
            border-radius: var(--radius-input);
            border: 1px solid var(--color-border);
            padding: 12px 14px;
            font-size: 15px;
            background: #FBFBF9;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .form-control:focus {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-focus);
            outline: none;
        }
        .btn-primary {
            background: var(--color-primary);
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            text-decoration: none;
            display: inline-block;
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .btn-outline-primary {
            background: transparent;
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            display: inline-block;
            transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
        }
        .btn-outline-primary:hover {
            background: rgba(27,59,63,0.05);
            border-color: var(--color-primary-dark);
            color: var(--color-primary-dark);
        }
        .btn-accent {
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            color: #1B3B3F;
            text-decoration: none;
            display: inline-block;
            transition: background 0.2s ease, transform 0.2s ease;
        }
        .btn-accent:hover {
            background: #B8941F;
            transform: translateY(-2px);
        }
        /* Footer */
        .site-footer {
            background: var(--color-footer);
            color: #FFFFFF;
            padding: 56px 0 0;
            margin-top: 40px;
        }
        .site-footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 32px;
        }
        .footer-brand {
            flex: 1 1 260px;
        }
        .footer-brand h4 {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-left: 2px;
        }
        .footer-col {
            flex: 1 1 160px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 40px;
            padding: 16px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255,255,255,0.5);
            margin: 0;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 18px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                gap: 0;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #FFFFFF;
                border-bottom: 1px solid var(--color-border);
                padding: 12px 24px;
                align-items: flex-start;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 18px;
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid #F0EDE6;
            }
            .main-nav a.active {
                border-bottom-color: var(--color-accent);
            }
            .nav-toggle {
                display: flex;
            }
            section {
                padding: var(--spacing-section-mobile) 0;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 24px;
            }
            .steps {
                flex-direction: column;
            }
            .site-footer .container {
                flex-direction: column;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-header {
                padding: 24px 0;
            }
            .form-card {
                padding: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1B3B3F;
            --color-primary-dark: #153133;
            --color-accent: #C9A227;
            --color-bg: #F6F5F1;
            --color-card: #FFFFFF;
            --color-danger: #E4572E;
            --color-success: #3E7B67;
            --color-text: #202B2C;
            --color-text-secondary: #5B6667;
            --color-text-muted: #8A9394;
            --color-border: #E4E0D8;
            --color-footer: #202B2C;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --font-mono: SFMono, Menlo, Consolas, 'Liberation Mono', monospace;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-badge: 20px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 12px 28px rgba(0, 0, 0, 0.10);
            --shadow-focus: 0 0 0 3px rgba(27, 59, 63, 0.12);
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 64px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }
        a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
        }
        a:hover, a:focus-visible {
            color: var(--color-accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding-top: 0;
            padding-bottom: 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            text-decoration: none;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-left: 2px;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-primary);
        }
        .main-nav a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 32px;
            height: 24px;
            justify-content: center;
            align-items: flex-end;
            padding: 0;
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.2s 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);
        }
        /* Page Banner */
        .page-banner {
            background: linear-gradient(135deg, #1B3B3F 0%, #202B2C 100%);
            color: #FFFFFF;
            padding: 56px 0 48px;
            border-bottom: 3px solid var(--color-accent);
            position: relative;
            overflow: hidden;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 35%;
            height: 100%;
            background: rgba(201, 162, 39, 0.08);
            border-left: 1px solid rgba(201, 162, 39, 0.2);
            pointer-events: none;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
        }
        .page-banner h1 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
            color: #FFFFFF;
            position: relative;
            z-index: 1;
        }
        .page-banner .banner-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
        /* Section Base */
        section {
            padding: var(--spacing-section) 0;
        }
        section:nth-child(even) {
            background: #FFFFFF;
        }
        section:nth-child(odd) {
            background: var(--color-bg);
        }
        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 32px;
        }
        .section-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 24px;
            background: var(--color-accent);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-title h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.35;
            margin: 0;
            color: var(--color-text);
        }
        .section-title .title-accent {
            color: var(--color-accent);
        }
        /* Risk Cards */
        .risk-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .risk-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .risk-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--color-danger);
            transition: height 0.3s ease;
            border-radius: 0 0 4px 0;
        }
        .risk-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(228, 87, 46, 0.35);
            transform: translateY(-4px);
        }
        .risk-card:hover::before {
            height: 100%;
        }
        .risk-card .risk-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(228, 87, 46, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-danger);
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .risk-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin: 0;
            color: var(--color-text);
        }
        .risk-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin: 0;
            flex: 1;
        }
        .risk-card .risk-tag {
            font-size: 12px;
            color: var(--color-danger);
            background: rgba(228, 87, 46, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            display: inline-block;
            align-self: flex-start;
            font-weight: 500;
        }
        /* Safety Measures */
        .safety-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .safety-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .safety-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(62, 123, 103, 0.4);
        }
        .safety-item .safety-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-success);
            color: #FFFFFF;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .safety-item .safety-content h4 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--color-text);
        }
        .safety-item .safety-content p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        /* Compliance Panel */
        .compliance-panel {
            background: linear-gradient(135deg, #F6F5F1 0%, #EDEADF 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 32px;
            align-items: center;
        }
        .compliance-panel .compliance-header h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--color-primary);
        }
        .compliance-panel .compliance-header p {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .compliance-panel .compliance-items {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .compliance-panel .compliance-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: #FFFFFF;
            border-radius: 8px;
            padding: 14px 18px;
            border-left: 3px solid var(--color-success);
        }
        .compliance-panel .compliance-item .check {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-success);
            color: #FFFFFF;
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .compliance-panel .compliance-item span {
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.6;
        }
        /* Case Warning */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .case-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(228, 87, 46, 0.3);
            transform: translateY(-4px);
        }
        .case-card .case-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-danger);
            background: rgba(228, 87, 46, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            display: inline-block;
            align-self: flex-start;
            letter-spacing: 0.5px;
        }
        .case-card h4 {
            font-size: 16px;
            font-weight: 600;
            margin: 0;
            color: var(--color-text);
            line-height: 1.4;
        }
        .case-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
            flex: 1;
        }
        .case-card .case-img {
            margin-top: 4px;
        }
        .case-card .case-img img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: 8px;
        }
        /* FAQ */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            transition: background-color 0.2s ease;
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 12px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            width: 100%;
            text-align: left;
            transition: background-color 0.2s ease, color 0.2s ease;
        }
        .faq-question:hover {
            background: rgba(27, 59, 63, 0.03);
        }
        .faq-question .chevron {
            width: 20px;
            height: 20px;
            position: relative;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-question .chevron::before,
        .faq-question .chevron::after {
            content: '';
            position: absolute;
            background: var(--color-text-secondary);
            border-radius: 2px;
            transition: background-color 0.2s ease;
        }
        .faq-question .chevron::before {
            width: 12px;
            height: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .faq-question .chevron::after {
            width: 2px;
            height: 12px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            transition: transform 0.3s ease, height 0.3s ease;
        }
        .faq-item.open .faq-question .chevron {
            transform: rotate(180deg);
        }
        .faq-item.open .faq-question .chevron::after {
            transform: translate(-50%, -50%) scaleY(0);
        }
        .faq-item.open .faq-question {
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, background-color 0.3s ease;
            background: transparent;
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
            background: rgba(246, 245, 241, 0.6);
        }
        .faq-answer-inner {
            padding: 0 12px 20px 20px;
            border-left: 4px solid var(--color-accent);
            margin-left: 12px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        /* Article List */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(201, 162, 39, 0.4);
            transform: translateY(-4px);
        }
        .article-card .article-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .article-card .article-time {
            font-size: 12px;
            color: var(--color-text-muted);
            font-family: var(--font-mono);
        }
        .article-card .article-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin: 0;
            color: var(--color-text);
        }
        .article-card .article-title a {
            color: var(--color-text);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .article-card .article-title a:hover {
            color: var(--color-accent);
        }
        .article-card .article-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }
        .article-card .article-tag {
            font-size: 12px;
            color: var(--color-primary);
            background: rgba(27, 59, 63, 0.06);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            display: inline-block;
            align-self: flex-start;
            font-weight: 500;
        }
        .empty-state {
            text-align: center;
            padding: 48px 20px;
            background: var(--color-card);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
            color: var(--color-text-muted);
        }
        .empty-state .empty-icon {
            font-size: 32px;
            display: block;
            margin-bottom: 12px;
        }
        /* CTA Panel */
        .cta-panel {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            color: #FFFFFF;
            border-bottom: 3px solid var(--color-accent);
        }
        .cta-panel .cta-text {
            flex: 1;
            min-width: 280px;
        }
        .cta-panel .cta-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 8px;
            color: #FFFFFF;
        }
        .cta-panel .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
            line-height: 1.7;
        }
        .cta-panel .cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            font-size: 15px;
            text-decoration: none;
            transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
            border: 2px solid var(--color-accent);
        }
        .btn-primary-cta:hover {
            background: #B8921F;
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .btn-outline-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: transparent;
            color: #FFFFFF;
            font-weight: 500;
            font-size: 15px;
            text-decoration: none;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: border-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
        }
        .btn-outline-cta:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            text-decoration: none;
            transform: translateY(-2px);
        }
        /* Footer */
        .site-footer {
            background: var(--color-footer);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .site-footer h4 {
            color: #FFFFFF;
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer h5 {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 14px;
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
        }
        .footer-brand .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-left: 2px;
        }
        .footer-bottom {
            background: #1A2425;
            padding: 18px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0;
            padding-bottom: 0;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .risk-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compliance-panel {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 18px;
                padding: 14px 0;
                border-bottom: 1px solid var(--color-border);
                width: 100%;
            }
            .main-nav a.active {
                border-bottom-color: var(--color-accent);
                border-bottom-width: 2px;
            }
            .nav-toggle {
                display: flex;
            }
            .page-banner {
                padding: 40px 0 36px;
            }
            .page-banner h1 {
                font-size: 24px;
                line-height: 1.4;
            }
            .risk-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .compliance-panel {
                padding: 24px 20px;
            }
            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom .container {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            section {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-title h2 {
                font-size: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .breadcrumb {
                font-size: 12px;
                flex-wrap: wrap;
            }
            .page-banner h1 {
                font-size: 20px;
            }
            .page-banner .banner-desc {
                font-size: 14px;
            }
            .cta-panel .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .cta-panel .cta-buttons a {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1B3B3F;
            --color-primary-dark: #153133;
            --color-accent: #C9A227;
            --color-bg: #F6F5F1;
            --color-card: #FFFFFF;
            --color-danger: #E4572E;
            --color-success: #3E7B67;
            --color-text: #202B2C;
            --color-text-secondary: #5B6667;
            --color-text-muted: #8A9394;
            --color-border: #E4E0D8;
            --color-footer: #202B2C;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --font-mono: SFMono, Menlo, Consolas, 'Liberation Mono', monospace;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-badge: 20px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 12px 28px rgba(0, 0, 0, 0.10);
            --shadow-focus: 0 0 0 3px rgba(27, 59, 63, 0.12);
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }

        a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
        }

        a:hover,
        a:focus-visible {
            color: var(--color-accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

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

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

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding-top: 0;
            padding-bottom: 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            text-decoration: none;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-left: 2px;
            flex-shrink: 0;
        }

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

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
        }

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

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 32px;
            height: 24px;
            justify-content: center;
            align-items: flex-end;
            padding: 0;
            background: transparent;
        }

        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.2s 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);
        }

        /* ===== Category Hero (narrow banner) ===== */
        .category-hero {
            background: linear-gradient(135deg, #1B3B3F 0%, #243F42 62%, #2B4A4E 100%);
            color: #FFFFFF;
            padding: 60px 0 48px;
            position: relative;
            overflow: hidden;
            border-bottom: 3px solid var(--color-accent);
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 35%;
            height: 100%;
            background-image: url('/assets/images/143d215c9c519c17.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

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

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-nav .separator {
            color: rgba(255, 255, 255, 0.4);
        }

        .category-hero h1 {
            font-size: 28px;
            line-height: 38px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #FFFFFF;
        }

        .category-hero .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.78);
            max-width: 640px;
        }

        /* ===== Section common ===== */
        section {
            padding: var(--spacing-section) 0;
        }

        section.bg-alt {
            background: #EEECE5;
        }

        section.bg-white {
            background: #FFFFFF;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 1.2px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-label::before {
            content: '';
            display: inline-block;
            width: 28px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .section-title {
            font-size: 24px;
            line-height: 34px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            max-width: 760px;
            margin-bottom: 32px;
        }

        /* ===== Ranking List ===== */
        .ranking-list-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
            align-items: start;
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .ranking-item {
            display: flex;
            align-items: stretch;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            position: relative;
        }

        .ranking-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(201, 162, 39, 0.45);
        }

        .rank-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 76px;
            min-width: 76px;
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 16px 10px;
            text-align: center;
        }

        .rank-badge .rank-number {
            font-size: 30px;
            font-weight: 700;
            font-family: var(--font-mono);
            line-height: 1;
            margin-bottom: 4px;
            color: var(--color-accent);
        }

        .rank-badge .rank-label {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.7);
        }

        .rank-body {
            flex: 1;
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
        }

        .rank-platform {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
        }

        .rank-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .rank-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .rank-meta .meta-label {
            color: var(--color-text-muted);
            font-size: 12px;
        }

        .rank-meta .meta-value {
            font-weight: 600;
            color: var(--color-text);
            font-family: var(--font-mono);
        }

        .rank-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: var(--radius-badge);
            background: rgba(62, 123, 103, 0.1);
            color: var(--color-success);
            white-space: nowrap;
        }

        .rank-score {
            display: flex;
            align-items: center;
            gap: 6px;
            min-width: 90px;
            margin-left: auto;
            padding-right: 20px;
        }

        .rank-score .score-value {
            font-size: 20px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--color-accent);
        }

        .rank-score .score-unit {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .ranking-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .ranking-side .side-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px;
            overflow: hidden;
        }

        .ranking-side .side-card img {
            margin-bottom: 14px;
            border-radius: 8px;
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .ranking-side .side-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .ranking-side .side-card p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-secondary);
        }

        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            margin-top: 8px;
            transition: color 0.2s ease;
        }

        .link-more:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .link-more .arrow {
            font-size: 16px;
            transition: transform 0.2s ease;
        }

        .link-more:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== Criteria Section ===== */
        .criteria-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .criteria-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .criteria-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(27, 59, 63, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }

        .criteria-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .criteria-card p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-secondary);
        }

        /* ===== Comparison Section ===== */
        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

        .comparison-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--color-border);
        }

        .comparison-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            font-size: 14px;
            border-bottom: 1px dashed var(--color-border);
        }

        .comparison-list li:last-child {
            border-bottom: none;
        }

        .comparison-list .compare-label {
            color: var(--color-text-secondary);
        }

        .comparison-list .compare-value {
            font-weight: 600;
            color: var(--color-text);
            font-family: var(--font-mono);
            font-size: 13px;
        }

        /* ===== Feedback Section ===== */
        .feedback-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .feedback-card::before {
            content: '\201C';
            font-size: 48px;
            line-height: 1;
            color: var(--color-accent);
            opacity: 0.35;
            position: absolute;
            top: 16px;
            left: 18px;
            font-family: Georgia, serif;
        }

        .feedback-text {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
            padding-left: 20px;
            padding-top: 8px;
        }

        .feedback-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
        }

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

        /* ===== Related Articles ===== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            display: block;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px;
            text-decoration: none;
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            height: 100%;
        }

        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(201, 162, 39, 0.45);
            text-decoration: none;
        }

        .related-category {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            background: rgba(27, 59, 63, 0.08);
            color: var(--color-primary);
            margin-bottom: 12px;
            text-decoration: none;
        }

        .related-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .related-card p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
        }

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

        .empty-state {
            text-align: center;
            padding: 40px 20px;
            background: var(--color-card);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
            grid-column: 1 / -1;
        }

        .empty-state span {
            font-size: 32px;
            display: block;
            margin-bottom: 10px;
        }

        .empty-state p {
            font-size: 14px;
            color: var(--color-text-muted);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #1B3B3F 0%, #202B2C 100%);
            color: #FFFFFF;
            padding: 56px 0;
            border-top: 3px solid var(--color-accent);
        }

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

        .cta-section .cta-text h2 {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .cta-section .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.25s ease;
            white-space: nowrap;
            line-height: 1.4;
        }

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

        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #FFFFFF;
            text-decoration: none;
        }

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

        .btn-accent:hover {
            background: transparent;
            color: var(--color-accent);
            text-decoration: none;
        }

        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            text-decoration: none;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-footer);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }

        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand h4 {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand h4 .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 380px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

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

        .footer-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .footer-col a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
        }

        .footer-bottom .container {
            display: block;
            padding: 0 24px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            text-align: center;
            margin: 0;
        }

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

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

            .ranking-list-wrap {
                grid-template-columns: 1fr;
            }

            .ranking-side {
                display: grid;
                grid-template-columns: 1fr 1fr;
            }

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

            .feedback-card:last-child {
                grid-column: span 2;
            }
        }

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

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 24px;
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                overflow-y: auto;
                z-index: 999;
            }

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

            .main-nav a {
                width: 100%;
                font-size: 18px;
                padding: 16px 0;
                border-bottom: 1px solid var(--color-border);
                border-bottom-width: 1px;
            }

            .main-nav a.active {
                border-bottom-color: var(--color-accent);
                border-bottom-width: 2px;
                margin-bottom: -1px;
            }

            .category-hero h1 {
                font-size: 24px;
                line-height: 34px;
            }

            .section-title {
                font-size: 20px;
                line-height: 30px;
            }

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

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

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

            .feedback-card:last-child {
                grid-column: auto;
            }

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

            .ranking-side {
                grid-template-columns: 1fr;
            }

            .cta-section .container {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .rank-badge {
                width: 60px;
                min-width: 60px;
            }

            .rank-badge .rank-number {
                font-size: 24px;
            }

            .rank-body {
                padding: 14px 16px;
            }

            .rank-platform {
                font-size: 16px;
            }

            .rank-score {
                min-width: 60px;
                padding-right: 14px;
            }

            .rank-score .score-value {
                font-size: 17px;
            }

            .rank-meta {
                gap: 8px 14px;
                font-size: 12px;
            }
        }

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

            .category-hero {
                padding: 44px 0 36px;
            }

            .category-hero h1 {
                font-size: 22px;
                line-height: 32px;
            }

            .category-hero .hero-sub {
                font-size: 14px;
            }

            .breadcrumb-nav {
                font-size: 12px;
                gap: 6px;
            }

            .ranking-item {
                flex-direction: column;
            }

            .rank-badge {
                width: 100%;
                min-width: 100%;
                flex-direction: row;
                justify-content: center;
                gap: 10px;
                padding: 10px;
            }

            .rank-badge .rank-number {
                font-size: 22px;
                margin-bottom: 0;
            }

            .rank-badge .rank-label {
                font-size: 11px;
            }

            .rank-score {
                margin-left: 0;
                padding-right: 0;
                margin-top: 8px;
            }

            .rank-body {
                padding: 14px;
            }

            .btn {
                width: 100%;
                min-height: 40px;
                padding: 0 20px;
                font-size: 14px;
            }

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