/* roulang page: index */
:root {
            --primary: #1F3D36;
            --primary-dark: #12251F;
            --accent: #C97B3C;
            --accent-hover: #AD6428;
            --accent-soft: rgba(201, 123, 60, 0.08);
            --bg-light: #F6F1E9;
            --card-bg: #FFFFFF;
            --dark-section: #12251F;
            --text-primary: #1C1C1C;
            --text-secondary: #5C5C5C;
            --text-muted: #8C877F;
            --border: #E4D8C8;
            --border-hover: #C9BBA8;
            --success: #2E7D5B;
            --danger: #B84C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(28, 42, 37, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(28, 42, 37, 0.12);
            --shadow-lg: 0 12px 40px rgba(28, 42, 37, 0.18);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
        }

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

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

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

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

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

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

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

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

        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        h1 {
            font-size: 40px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        h2 {
            font-size: 30px;
            letter-spacing: -0.3px;
        }

        h3 {
            font-size: 22px;
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }

        ul, ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ Header / Navigation ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: 64px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(28, 42, 37, 0.08);
        }

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

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

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .logo-icon::before {
            content: '';
            width: 14px;
            height: 14px;
            border-left: 2.5px solid var(--accent);
            border-bottom: 2.5px solid var(--accent);
            transform: rotate(-45deg) translateY(-2px);
            border-radius: 1px;
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #F6F1E9;
            top: 8px;
            right: 8px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.4px;
            white-space: nowrap;
        }

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

        .main-nav a {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

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

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

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

        .nav-cta .btn-primary {
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 4px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .nav-toggle span {
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

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

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 16px 24px 24px;
            box-shadow: 0 12px 32px rgba(28, 42, 37, 0.12);
            z-index: 999;
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-menu a {
            padding: 12px 16px;
            color: var(--text-secondary);
            font-size: 16px;
            border-radius: 8px;
            transition: background var(--transition-fast);
            text-decoration: none;
        }

        .mobile-menu a:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .mobile-menu a.active {
            background: var(--accent-soft);
            color: var(--accent);
            font-weight: 600;
        }

        .mobile-menu .btn-primary {
            margin-top: 12px;
            width: 100%;
            text-align: center;
            padding: 14px;
            font-size: 16px;
        }

        /* ============ Buttons ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.2px;
        }

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

        .btn-primary {
            background-color: var(--accent);
            color: #FFFFFF;
            border: 1px solid var(--accent);
        }

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

        .btn-outline-light {
            background-color: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #FFFFFF;
        }

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

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

        .btn-outline-accent:hover {
            background-color: var(--accent-soft);
            border-color: var(--accent);
            color: var(--accent-hover);
        }

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

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

        .btn-block {
            width: 100%;
            display: flex;
        }

        .btn[disabled] {
            background-color: var(--border);
            color: var(--text-muted);
            border-color: var(--border);
            pointer-events: none;
        }

        .text-link {
            color: var(--accent);
            font-weight: 500;
            font-size: 14px;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        /* ============ Section Base ============ */
        section {
            padding: 80px 0;
        }

        .section-header {
            max-width: 680px;
            margin: 0 auto 48px;
            text-align: center;
        }

        .section-header h2 {
            color: var(--primary);
            margin-bottom: 12px;
            font-size: 30px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

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

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

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

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

        .bg-dark-deep h2,
        .bg-dark-deep p,
        .bg-dark h2,
        .bg-dark p {
            color: #F6F1E9;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            padding: 160px 0 100px;
            background: var(--primary);
            overflow: hidden;
            min-height: 620px;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background-image: url('/assets/images/469c37a135193732.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background: linear-gradient(135deg, rgba(31, 61, 54, 0.92) 0%, rgba(18, 37, 31, 0.85) 100%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            color: #FFFFFF;
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            line-height: 1.25;
        }

        .hero-content .hero-subtitle {
            font-size: 18px;
            color: #F6F1E9;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-check-list {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .hero-check-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #D4C9B5;
            font-size: 14px;
            font-weight: 500;
        }

        .hero-check-item .check-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hero-check-item .check-icon::after {
            content: '';
            width: 8px;
            height: 4px;
            border-left: 1.5px solid #fff;
            border-bottom: 1.5px solid #fff;
            transform: rotate(-45deg) translateY(-1px);
        }

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

        .hero-mockup {
            position: relative;
            width: 100%;
            aspect-ratio: 16/10;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(246, 241, 233, 0.2);
            box-shadow: var(--shadow-lg);
        }

        .hero-mockup img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
            opacity: 0.85;
        }

        .hero-mockup::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(18, 37, 31, 0.5), transparent);
            pointer-events: none;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

        /* ============ Stats Bar ============ */
        .stats-section {
            background: var(--dark-section);
            padding: 48px 0;
            border-bottom: 1px solid rgba(246, 241, 233, 0.1);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item {
            padding: 8px 16px;
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.5px;
            margin-bottom: 4px;
        }

        .stat-number span {
            font-size: 20px;
            font-weight: 700;
        }

        .stat-label {
            font-size: 14px;
            color: #B8B2A5;
            font-weight: 500;
        }

        /* ============ Features Section ============ */
        .features-section {
            background-color: #FFFFFF;
            padding: 96px 0;
        }

        .features-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
        }

        .feature-card-main {
            grid-row: span 2;
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 32px;
            color: #F6F1E9;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 400px;
            transition: box-shadow var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card-main::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background-image: url('/assets/images/45f92f5d2fb7cf0c.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            pointer-events: none;
        }

        .feature-card-main > * {
            position: relative;
            z-index: 1;
        }

        .feature-card-main h3 {
            color: #FFFFFF;
            font-size: 24px;
            margin-bottom: 8px;
        }

        .feature-card-main p {
            color: #D4C9B5;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .feature-card-main .btn-outline-light {
            align-self: flex-start;
        }

        .feature-card-side {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            cursor: default;
        }

        .feature-card-side:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
        }

        .feature-card-side h3 {
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 6px;
        }

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

        .feature-card-side .text-link {
            font-size: 13px;
        }

        .feature-card-side.featured {
            border-color: var(--accent);
            border-width: 2px;
            position: relative;
        }

        .feature-card-side.featured::before {
            content: '推荐';
            position: absolute;
            top: -10px;
            right: 24px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
        }

        /* ============ Pricing / Plans ============ */
        .plans-section {
            background-color: var(--bg-light);
            padding: 96px 0;
        }

        .plans-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .plan-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            position: relative;
        }

        .plan-card:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .plan-card.recommended {
            border: 2px solid var(--accent);
        }

        .plan-card.recommended::before {
            content: '推荐';
            position: absolute;
            top: -14px;
            right: 28px;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
        }

        .plan-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .plan-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .plan-features {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }

        .plan-feature {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .plan-feature .check-icon {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--success);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 2px;
        }

        .plan-feature .check-icon::after {
            content: '';
            width: 8px;
            height: 4px;
            border-left: 1.5px solid #fff;
            border-bottom: 1.5px solid #fff;
            transform: rotate(-45deg) translateY(-1px);
        }

        .plan-card .btn {
            width: 100%;
        }

        /* ============ Security Section ============ */
        .security-section {
            background-color: #FFFFFF;
            padding: 96px 0;
        }

        .security-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .security-content h2 {
            color: var(--primary);
            margin-bottom: 16px;
        }

        .security-content > p {
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .security-points {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 28px;
        }

        .security-point {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .security-point .shield-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .security-point .shield-icon::before {
            content: '';
            width: 12px;
            height: 10px;
            border: 2px solid var(--accent);
            border-radius: 3px;
        }

        .security-point span {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-weight: 500;
        }

        .security-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            box-shadow: var(--shadow-card);
        }

        .security-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .security-visual::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(31, 61, 54, 0.7), transparent);
            pointer-events: none;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

        /* ============ Steps Section ============ */
        .steps-section {
            background-color: var(--bg-light);
            padding: 96px 0;
        }

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

        .step-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }

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

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .step-card h3 {
            font-size: 17px;
            color: var(--primary);
            margin-bottom: 8px;
        }

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

        /* ============ Market Data Preview ============ */
        .market-section {
            background-color: #FFFFFF;
            padding: 96px 0;
        }

        .market-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .market-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow var(--transition-base);
        }

        .market-card:hover {
            box-shadow: var(--shadow-card);
        }

        .market-info h3 {
            font-size: 16px;
            color: var(--text-secondary);
            font-weight: 600;
            margin-bottom: 4px;
        }

        .market-info .market-name {
            font-size: 14px;
            color: var(--text-muted);
        }

        .market-value {
            text-align: right;
        }

        .market-value .value {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
        }

        .market-value .change-up {
            font-size: 14px;
            font-weight: 600;
            color: var(--success);
        }

        .market-value .change-down {
            font-size: 14px;
            font-weight: 600;
            color: var(--danger);
        }

        .market-value .change-flat {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
        }

        /* ============ News / CMS Section ============ */
        .news-section {
            background-color: var(--bg-light);
            padding: 96px 0;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
            text-decoration: none;
        }

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

        .news-card-image {
            aspect-ratio: 16/9;
            background: #F0EAE0;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

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

        .news-card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-light);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .news-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-card-meta .read-more {
            color: var(--accent);
            font-weight: 600;
            font-size: 13px;
        }

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

        /* ============ Testimonials ============ */
        .testimonials-section {
            background-color: #FFFFFF;
            padding: 96px 0;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: box-shadow var(--transition-base);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card);
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #E4D8C8;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .testimonial-stars {
            display: flex;
            gap: 2px;
            margin-bottom: 12px;
        }

        .testimonial-stars .star {
            color: var(--accent);
            font-size: 16px;
        }

        .testimonial-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ============ Partners ============ */
        .partners-section {
            background-color: var(--bg-light);
            padding: 80px 0;
        }

        .partners-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }

        .partner-badge {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 28px;
            min-width: 120px;
            text-align: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            transition: border-color var(--transition-fast), color var(--transition-fast);
            cursor: default;
        }

        .partner-badge:hover {
            border-color: var(--border-hover);
            color: var(--text-secondary);
        }

        .partners-note {
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 20px;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background-color: #FFFFFF;
            padding: 96px 0;
        }

        .faq-container {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item.active {
            border-color: var(--accent);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 16px 20px;
            background: var(--bg-light);
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #F0EAE0;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            transition: transform var(--transition-base);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .faq-answer-inner {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
        }

        /* ============ CTA Section ============ */
        .cta-section {
            background-color: var(--dark-section);
            padding: 80px 0;
        }

        .cta-container {
            background: var(--dark-section);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(201, 123, 60, 0.3);
            padding: 56px 48px;
            text-align: center;
        }

        .cta-container h2 {
            color: #F6F1E9;
            font-size: 32px;
            margin-bottom: 12px;
        }

        .cta-container p {
            color: #B8B2A5;
            font-size: 16px;
            margin-bottom: 32px;
        }

        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ============ Risk Notice ============ */
        .risk-section {
            background: #F0EAE0;
            padding: 32px 0;
        }

        .risk-notice {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }

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

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

        /* ============ Footer ============ */
        .site-footer {
            background: var(--dark-section);
            padding: 48px 0 24px;
            color: #F6F1E9;
        }

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

        .footer-brand .logo {
            margin-bottom: 12px;
        }

        .footer-brand .logo-text {
            color: #F6F1E9;
        }

        .footer-brand p {
            font-size: 14px;
            color: #B8B2A5;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #F6F1E9;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: #B8B2A5;
            font-size: 14px;
            margin-bottom: 10px;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(246, 241, 233, 0.12);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-copyright {
            font-size: 13px;
            color: #8C877F;
        }

        .footer-copyright a {
            color: #8C877F;
            transition: color var(--transition-fast);
        }

        .footer-copyright a:hover {
            color: var(--accent);
        }

        .footer-links-bottom {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-links-bottom a {
            font-size: 13px;
            color: #8C877F;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-links-bottom a:hover {
            color: var(--accent);
        }

        .footer-risk {
            font-size: 12px;
            color: #6B675F;
            margin-top: 16px;
            text-align: center;
        }

        /* ============ Quick Links Pills ============ */
        .quicklinks-section {
            background-color: #FFFFFF;
            padding: 64px 0;
        }

        .quicklinks-pills {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .quicklink-pill {
            display: inline-block;
            padding: 10px 20px;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
            text-decoration: none;
        }

        .quicklink-pill:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-soft);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            h1 { font-size: 34px; }
            h2 { font-size: 26px; }
            .hero { padding: 140px 0 80px; }
            .hero-grid { grid-template-columns: 1fr; gap: 32px; }
            .hero-mockup { max-width: 480px; margin: 0 auto; }
            .features-grid { grid-template-columns: 1fr; }
            .feature-card-main { min-height: auto; grid-row: span 1; }
            .plans-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .market-cards { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            h1 { font-size: 28px; }
            h2 { font-size: 24px; }
            h3 { font-size: 18px; }
            section { padding: 60px 0; }
            .container { padding: 0 16px; }
            .site-header { height: 56px; }
            .nav-container { padding: 0 16px; }
            .main-nav { display: none; }
            .nav-cta { display: none; }
            .nav-toggle { display: flex; }
            .mobile-menu { top: 56px; }
            .hero { padding: 120px 0 60px; }
            .hero-content h1 { font-size: 28px; }
            .hero-btns { flex-direction: column; gap: 12px; }
            .hero-btns .btn { width: 100%; }
            .hero-check-list { gap: 12px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .stat-number { font-size: 28px; }
            .plans-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .market-cards { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .testimonials-grid { grid-template-columns: 1fr; }
            .security-grid { grid-template-columns: 1fr; gap: 32px; }
            .security-visual { aspect-ratio: 16/9; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
            .cta-container { padding: 36px 24px; }
            .cta-container h2 { font-size: 24px; }
            .cta-btns { flex-direction: column; }
            .cta-btns .btn { width: 100%; }
            .risk-notice { flex-direction: column; align-items: center; text-align: center; }
            .plans-grid { gap: 32px; }
        }

        @media (max-width: 480px) {
            h1 { font-size: 24px; }
            section { padding: 44px 0; }
            .container { padding: 0 12px; }
            .btn { width: 100%; }
            .hero-check-list { flex-direction: column; gap: 8px; }
            .stat-number { font-size: 24px; }
            .stat-label { font-size: 12px; }
            .feature-card-main { padding: 20px; }
            .feature-card-side { padding: 16px 20px; }
            .plan-card { padding: 24px 20px; }
            .news-card-body { padding: 16px 18px 18px; }
            .faq-question { padding: 14px 16px; font-size: 14px; }
            .faq-answer-inner { padding: 14px 16px; }
            .quicklink-pill { padding: 8px 14px; font-size: 13px; }
            .market-card { flex-direction: column; gap: 8px; }
            .market-value { text-align: left; }
        }

/* roulang page: category1 */
:root {
            --primary: #1F3D36;
            --primary-dark: #12251F;
            --accent: #C97B3C;
            --accent-hover: #AD6428;
            --accent-soft: rgba(201, 123, 60, 0.08);
            --bg-light: #F6F1E9;
            --card-bg: #FFFFFF;
            --dark-section: #12251F;
            --text-primary: #1C1C1C;
            --text-secondary: #5C5C5C;
            --text-muted: #8C877F;
            --border: #E4D8C8;
            --border-hover: #C9BBA8;
            --success: #2E7D5B;
            --danger: #B84C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(28, 42, 37, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(28, 42, 37, 0.12);
            --shadow-lg: 0 12px 40px rgba(28, 42, 37, 0.18);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
        }

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

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

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

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

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

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ Header / Navigation ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: 64px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(28, 42, 37, 0.08);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .logo:hover {
            text-decoration: none;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .logo-icon::before {
            content: '';
            width: 14px;
            height: 14px;
            border-left: 2.5px solid var(--accent);
            border-bottom: 2.5px solid var(--accent);
            transform: rotate(-45deg) translateY(-2px);
            border-radius: 1px;
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #F6F1E9;
            top: 8px;
            right: 8px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.4px;
            white-space: nowrap;
        }

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

        .main-nav a {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .main-nav a:hover {
            color: var(--accent);
            text-decoration: none;
        }

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

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 4px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .nav-toggle span {
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

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

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ============ Buttons ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #FFFFFF;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            border: 1px solid var(--accent);
            transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            line-height: 1.5;
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            line-height: 1.5;
        }

        .btn-secondary:hover {
            background: var(--accent-soft);
            color: var(--accent-hover);
            text-decoration: none;
            transform: translateY(-1px);
            border-color: var(--accent-hover);
        }

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

        /* ============ Badge ============ */
        .badge-tag {
            display: inline-block;
            background: var(--bg-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.3px;
        }

        .badge-recommend {
            display: inline-block;
            background: var(--accent);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.3px;
        }

        /* ============ Section Base ============ */
        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        /* ============ Category H1 Hero ============ */
        .cat-hero {
            position: relative;
            background: var(--primary);
            padding: 96px 0 56px;
            min-height: 32vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/469c37a135193732.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }

        .cat-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(18, 37, 31, 0.65);
            z-index: 1;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .cat-hero h1 {
            font-size: 38px;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }

        .cat-hero .cat-hero-subtitle {
            font-size: 17px;
            color: #F6F1E9;
            line-height: 1.7;
            max-width: 560px;
            opacity: 0.9;
        }

        /* ============ Breadcrumb ============ */
        .breadcrumb-wrap {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-nav .sep {
            color: var(--border-hover);
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ============ Overview Points ============ */
        .overview-points {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .overview-point {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .overview-point:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
        }

        .overview-point-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--accent);
            font-size: 20px;
            font-weight: 700;
        }

        .overview-point h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .overview-point p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ============ Plan Comparison ============ */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .plan-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            position: relative;
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
        }

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

        .plan-card.featured {
            border: 2px solid var(--accent);
            box-shadow: 0 8px 28px rgba(201, 123, 60, 0.15);
            transform: translateY(-8px);
        }

        .plan-card.featured:hover {
            box-shadow: 0 12px 36px rgba(201, 123, 60, 0.2);
            transform: translateY(-10px);
        }

        .plan-card-featured-badge {
            position: absolute;
            top: -13px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
            white-space: nowrap;
            z-index: 1;
        }

        .plan-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .plan-card .plan-audience {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .plan-card .plan-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .plan-features {
            list-style: none;
            margin: 0 0 24px;
            padding: 0;
            flex: 1;
        }

        .plan-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 0;
            line-height: 1.6;
        }

        .plan-features li::before {
            content: '';
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--accent-soft);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-top: 3px;
            position: relative;
        }

        .plan-features li::after {
            content: '';
            position: absolute;
            width: 6px;
            height: 6px;
            border-left: 2px solid var(--accent);
            border-bottom: 2px solid var(--accent);
            transform: rotate(-45deg) translateY(2px);
            margin-left: 5px;
            margin-top: 4px;
        }

        .plan-card .btn-primary {
            width: 100%;
            justify-content: center;
            margin-top: auto;
        }

        .plan-card .btn-outline {
            width: 100%;
            justify-content: center;
            margin-top: auto;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            background: transparent;
            transition: background var(--transition-fast), color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            line-height: 1.5;
        }

        .plan-card .btn-outline:hover {
            background: var(--accent-soft);
            color: var(--accent-hover);
            text-decoration: none;
            border-color: var(--accent-hover);
        }

        /* ============ Fee Notice ============ */
        .fee-notice {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-left: 4px solid var(--accent);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            max-width: 720px;
            margin: 0 auto;
            box-shadow: var(--shadow-card);
        }

        .fee-notice-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 20px;
            color: var(--accent);
        }

        .fee-notice h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

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

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 16px 20px;
            background: var(--bg-light);
            border: none;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #F0E9DE;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            background: #FFFFFF;
        }

        /* ============ CTA Narrow ============ */
        .cta-narrow {
            background: var(--dark-section);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            box-shadow: var(--shadow-lg);
        }

        .cta-narrow h2 {
            font-size: 24px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 6px;
            line-height: 1.3;
        }

        .cta-narrow p {
            font-size: 15px;
            color: #F6F1E9;
            opacity: 0.85;
            margin: 0;
        }

        .cta-narrow-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }

        .cta-narrow .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
        }

        .cta-narrow .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
        }

        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(246, 241, 233, 0.5);
            color: #F6F1E9;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: background var(--transition-fast), border-color var(--transition-fast);
            text-decoration: none;
            line-height: 1.5;
        }

        .btn-outline-white:hover {
            background: rgba(246, 241, 233, 0.1);
            border-color: #F6F1E9;
            color: #F6F1E9;
            text-decoration: none;
        }

        /* ============ Image card ============ */
        .img-holder {
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-light);
            border: 1px solid var(--border);
        }

        .img-holder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--dark-section);
            color: #F6F1E9;
            padding: 56px 0 32px;
            margin-top: 0;
        }

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

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo-text {
            color: #F6F1E9;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: #F6F1E9;
            opacity: 0.75;
            line-height: 1.7;
            max-width: 340px;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: #F6F1E9;
            opacity: 0.75;
            padding: 5px 0;
            transition: color var(--transition-fast), opacity var(--transition-fast);
            text-decoration: none;
        }

        .footer-col a:hover {
            color: var(--accent);
            opacity: 1;
            text-decoration: none;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(246, 241, 233, 0.15);
        }

        .footer-copyright {
            font-size: 13px;
            color: #F6F1E9;
            opacity: 0.7;
        }

        .footer-copyright a {
            color: #F6F1E9;
            text-decoration: none;
            opacity: 0.9;
        }

        .footer-copyright a:hover {
            color: var(--accent);
        }

        .footer-links-bottom {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-links-bottom a {
            font-size: 13px;
            color: #F6F1E9;
            opacity: 0.7;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        .footer-links-bottom a:hover {
            color: var(--accent);
            opacity: 1;
            text-decoration: none;
        }

        .footer-risk {
            font-size: 12px;
            color: #F6F1E9;
            opacity: 0.55;
            margin-top: 20px;
            margin-bottom: 0;
            line-height: 1.6;
            text-align: center;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .plan-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .plan-card.featured {
                transform: translateY(0);
            }

            .plan-card.featured:hover {
                transform: translateY(-4px);
            }

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

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

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 24px rgba(28, 42, 37, 0.1);
                display: none;
                z-index: 999;
            }

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

            .main-nav a {
                width: 100%;
                padding: 12px 0;
                border-bottom: 1px solid var(--bg-light);
                font-size: 16px;
            }

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

            .nav-cta {
                display: none;
            }

            .cat-hero {
                padding: 80px 0 40px;
                min-height: auto;
            }

            .cat-hero h1 {
                font-size: 28px;
            }

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

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

            .overview-points {
                grid-template-columns: 1fr;
            }

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

            .cta-narrow {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
                gap: 20px;
            }

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

            .cta-narrow .btn-primary,
            .cta-narrow .btn-outline-white {
                width: 100%;
            }

            .fee-notice {
                flex-direction: column;
                padding: 20px;
            }

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

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

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

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

            .section-title {
                font-size: 21px;
            }

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

            .cta-narrow {
                padding: 24px 16px;
                border-radius: 12px;
            }

            .btn-primary,
            .btn-secondary,
            .btn-outline-white {
                padding: 10px 18px;
                font-size: 14px;
            }

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

/* roulang page: article */
:root {
            --primary: #1F3D36;
            --primary-dark: #12251F;
            --accent: #C97B3C;
            --accent-hover: #AD6428;
            --accent-soft: rgba(201, 123, 60, 0.08);
            --bg-light: #F6F1E9;
            --card-bg: #FFFFFF;
            --dark-section: #12251F;
            --text-primary: #1C1C1C;
            --text-secondary: #5C5C5C;
            --text-muted: #8C877F;
            --border: #E4D8C8;
            --border-hover: #C9BBA8;
            --success: #2E7D5B;
            --danger: #B84C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(28, 42, 37, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(28, 42, 37, 0.12);
            --shadow-lg: 0 12px 40px rgba(28, 42, 37, 0.18);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 64px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-hover);
        }
        button, input, select, textarea {
            font-family: var(--font-stack);
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ Header / Navigation ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: 64px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(28, 42, 37, 0.08);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }
        .logo-icon::before {
            content: '';
            width: 14px;
            height: 14px;
            border-left: 2.5px solid var(--accent);
            border-bottom: 2.5px solid var(--accent);
            transform: rotate(-45deg) translateY(-2px);
            border-radius: 1px;
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #F6F1E9;
            top: 8px;
            right: 8px;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.4px;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .main-nav a:hover {
            color: var(--accent);
        }
        .main-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-cta .btn-primary {
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 4px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .nav-toggle span {
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ============ Buttons ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #FFFFFF;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            text-decoration: none;
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: #FFFFFF;
            text-decoration: none;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--accent);
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            text-decoration: none;
            border: 1px solid var(--accent);
            transition: background var(--transition-fast), color var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: var(--accent-soft);
            color: var(--accent);
            text-decoration: none;
        }
        .btn-light-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #FFFFFF;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            text-decoration: none;
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
            cursor: pointer;
        }
        .btn-light-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
            text-decoration: none;
        }

        /* ============ Article Hero ============ */
        .article-hero {
            background: var(--primary);
            padding: 40px 0 32px;
            color: #FFFFFF;
            position: relative;
        }
        .article-hero .article-category-badge {
            display: inline-block;
            background: var(--accent);
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }
        .article-hero h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.3px;
            color: #FFFFFF;
            margin-bottom: 10px;
            max-width: 800px;
        }
        .article-hero .article-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 14px;
            color: #D8CFC0;
        }
        .article-hero .article-hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ============ Breadcrumb ============ */
        .article-breadcrumb-section {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .breadcrumb-sep {
            color: var(--text-muted);
            user-select: none;
        }
        .breadcrumb .breadcrumb-current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* ============ Article Content ============ */
        .article-content-section {
            background: var(--bg-light);
            padding: 48px 0 56px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            max-width: 760px;
            margin: 0 auto;
        }
        .article-feature-image {
            width: 100%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 8px;
            background: #EAE3D6;
        }
        .article-feature-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            object-fit: cover;
            aspect-ratio: 16 / 9;
        }
        .article-body {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 36px 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin: 32px 0 14px;
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin: 26px 0 12px;
            line-height: 1.4;
        }
        .article-body p {
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-light);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
            color: var(--text-secondary);
            font-style: normal;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 16px 24px;
            color: var(--text-primary);
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 15px;
        }
        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-body table th {
            background: var(--bg-light);
            font-weight: 700;
            color: var(--primary);
        }
        .article-body img {
            border-radius: var(--radius-card);
            margin: 20px 0;
            width: 100%;
            height: auto;
        }
        .article-body code {
            background: var(--bg-light);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary);
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
        }
        .article-empty {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 48px 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            text-align: center;
        }
        .article-empty p {
            font-size: 18px;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .article-empty .btn-primary {
            display: inline-flex;
        }

        /* ============ Article Meta ============ */
        .article-meta-section {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            padding: 20px 0;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--text-muted);
            align-items: center;
        }
        .article-meta .meta-label {
            color: var(--text-secondary);
            font-weight: 500;
        }
        .article-meta .meta-tag {
            background: var(--bg-light);
            color: var(--primary);
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
        }

        /* ============ Related Posts ============ */
        .related-section {
            background: var(--bg-light);
            padding: 56px 0 64px;
        }
        .related-section .section-head {
            text-align: center;
            margin-bottom: 32px;
        }
        .related-section .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .related-section .section-head p {
            color: var(--text-secondary);
            font-size: 15px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
            text-decoration: none;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            text-decoration: none;
        }
        .related-card .related-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #EAE3D6;
        }
        .related-card .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-base);
        }
        .related-card:hover .related-thumb img {
            transform: scale(1.03);
        }
        .related-card .related-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card .related-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-light);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .related-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .related-card .related-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }
        .related-card .related-meta .read-more {
            color: var(--accent);
            font-weight: 500;
            font-size: 13px;
        }

        /* ============ Article Back / CTA ============ */
        .article-back-section {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            padding: 24px 0;
        }
        .article-back {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .article-back .btn-secondary {
            font-size: 14px;
            padding: 10px 20px;
        }
        .article-cta-section {
            background: var(--dark-section);
            padding: 56px 0;
            margin-top: 0;
        }
        .article-cta-box {
            background: var(--dark-section);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            text-align: center;
            color: #FFFFFF;
            border: 1px solid rgba(201, 123, 60, 0.35);
        }
        .article-cta-box h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .article-cta-box p {
            color: #D8CFC0;
            font-size: 15px;
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .article-cta-box .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .article-cta-box .btn-primary {
            background: var(--accent);
            border: none;
        }
        .article-cta-box .btn-primary:hover {
            background: var(--accent-hover);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--dark-section);
            color: #F6F1E9;
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(246, 241, 233, 0.12);
            margin-bottom: 24px;
        }
        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            text-decoration: none;
        }
        .footer-brand .logo .logo-icon {
            background: var(--accent);
        }
        .footer-brand .logo .logo-text {
            color: #F6F1E9;
            font-size: 18px;
            font-weight: 800;
        }
        .footer-brand p {
            font-size: 14px;
            color: #C9BFB0;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            color: #C9BFB0;
            font-size: 14px;
            margin-bottom: 8px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 16px;
        }
        .footer-copyright {
            font-size: 13px;
            color: #C9BFB0;
        }
        .footer-copyright a {
            color: #F6F1E9;
            text-decoration: none;
        }
        .footer-copyright a:hover {
            color: var(--accent);
        }
        .footer-links-bottom {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }
        .footer-links-bottom a {
            font-size: 13px;
            color: #C9BFB0;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-links-bottom a:hover {
            color: var(--accent);
        }
        .footer-risk {
            font-size: 13px;
            color: #8C877F;
            text-align: center;
            margin-top: 16px;
            margin-bottom: 0;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 18px;
            }
            .main-nav a {
                font-size: 14px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-body {
                padding: 28px 26px;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 56px;
            }
            .site-header {
                height: 56px;
            }
            .main-nav {
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                gap: 0;
                align-items: stretch;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 24px rgba(28, 42, 37, 0.1);
                display: none;
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 10px;
                font-size: 16px;
                border-bottom: 1px solid var(--border);
                text-align: center;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .article-hero h1 {
                font-size: 24px;
                line-height: 1.4;
            }
            .article-hero {
                padding: 28px 0 24px;
            }
            .article-body {
                padding: 22px 18px;
                font-size: 16px;
                line-height: 1.75;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .article-cta-box {
                padding: 28px 20px;
            }
            .article-cta-box h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-hero h1 {
                font-size: 20px;
            }
            .article-hero .article-hero-meta {
                gap: 10px;
                font-size: 12px;
                flex-wrap: wrap;
            }
            .article-body {
                padding: 18px 14px;
                font-size: 15px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .article-cta-box .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .article-cta-box .btn-primary,
            .article-cta-box .btn-light-outline {
                width: 100%;
                max-width: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links-bottom {
                justify-content: center;
                gap: 12px;
            }
            .related-card h3 {
                font-size: 15px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 18px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1F3D36;
            --primary-dark: #12251F;
            --accent: #C97B3C;
            --accent-hover: #AD6428;
            --accent-soft: rgba(201, 123, 60, 0.08);
            --bg-light: #F6F1E9;
            --card-bg: #FFFFFF;
            --dark-section: #12251F;
            --text-primary: #1C1C1C;
            --text-secondary: #5C5C5C;
            --text-muted: #8C877F;
            --border: #E4D8C8;
            --border-hover: #C9BBA8;
            --success: #2E7D5B;
            --danger: #B84C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(28, 42, 37, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(28, 42, 37, 0.12);
            --shadow-lg: 0 12px 40px rgba(28, 42, 37, 0.18);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 64px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-hover);
        }
        button, input, select, textarea {
            font-family: var(--font-stack);
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ============ Header / Navigation ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: 64px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(28, 42, 37, 0.08);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }
        .logo-icon::before {
            content: '';
            width: 14px;
            height: 14px;
            border-left: 2.5px solid var(--accent);
            border-bottom: 2.5px solid var(--accent);
            transform: rotate(-45deg) translateY(-2px);
            border-radius: 1px;
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #F6F1E9;
            top: 8px;
            right: 8px;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.4px;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .main-nav a:hover {
            color: var(--accent);
        }
        .main-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-cta .btn-primary {
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 4px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .nav-toggle span {
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }
        /* ============ Buttons ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #FFFFFF;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            border: none;
            text-decoration: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(201, 123, 60, 0.3);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--accent);
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid var(--accent);
            text-decoration: none;
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .btn-secondary:hover {
            background: var(--accent-soft);
            color: var(--accent-hover);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #F6F1E9;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid rgba(246, 241, 233, 0.4);
            text-decoration: none;
            transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
        }
        .btn-outline-light:hover {
            background: rgba(246, 241, 233, 0.1);
            border-color: #F6F1E9;
            color: #FFFFFF;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 17px;
        }
        .btn-block {
            width: 100%;
        }
        /* ============ Category Hero ============ */
        .category-hero {
            background-color: var(--primary);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
            min-height: 30vh;
            display: flex;
            align-items: center;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 40%;
            background-image: radial-gradient(rgba(246, 241, 233, 0.06) 1px, transparent 1px);
            background-size: 16px 16px;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero .badge-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .category-hero h1 {
            color: #FFFFFF;
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .category-hero .hero-subtitle {
            color: #F6F1E9;
            font-size: 16px;
            line-height: 1.7;
            max-width: 680px;
            opacity: 0.85;
        }
        /* ============ Breadcrumb ============ */
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb-bar .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-nav li:not(:last-child)::after {
            content: '/';
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent);
        }
        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }
        /* ============ Section Common ============ */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: #FFFFFF;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 32px;
        }
        .section-head {
            margin-bottom: 36px;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-primary-color {
            color: var(--primary);
        }
        /* ============ Cards Common ============ */
        .card-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            overflow: hidden;
            height: 100%;
        }
        .card-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }
        .card-item .card-body {
            padding: 24px 28px;
        }
        .card-item .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--bg-light);
        }
        .badge-tag {
            display: inline-block;
            background: var(--bg-light);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge-tag-sm {
            font-size: 11px;
            padding: 3px 10px;
        }
        .card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin: 12px 0 8px;
        }
        .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .card-meta .read-more {
            margin-left: auto;
            color: var(--accent);
            font-weight: 500;
            font-size: 13px;
            text-decoration: none;
            white-space: nowrap;
        }
        .card-meta .read-more:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }
        /* ============ Article List Section ============ */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .article-card-link {
            display: block;
            text-decoration: none;
            color: inherit;
            height: 100%;
        }
        .article-card-link:hover {
            color: inherit;
        }
        /* ============ Topic Pills ============ */
        .topic-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }
        .topic-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .topic-pill:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-soft);
        }
        /* ============ Data Tip Bar ============ */
        .data-tip-bar {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 28px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .data-tip-bar .tip-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--accent);
            font-size: 20px;
        }
        .data-tip-bar .tip-content {
            flex: 1;
            min-width: 200px;
        }
        .data-tip-bar .tip-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 4px;
        }
        .data-tip-bar .tip-content p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
        }
        .data-tip-bar .tip-stat {
            text-align: center;
            flex-shrink: 0;
        }
        .data-tip-bar .tip-stat .stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .data-tip-bar .tip-stat .stat-label {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* ============ CTA Narrow ============ */
        .cta-narrow {
            background: var(--dark-section);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-narrow .cta-text h2 {
            color: #FFFFFF;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .cta-narrow .cta-text p {
            color: rgba(246, 241, 233, 0.75);
            font-size: 14px;
            margin: 0;
            line-height: 1.6;
        }
        .cta-narrow .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }
        /* ============ FAQ ============ */
        .faq-list {
            max-width: 760px;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 16px 20px;
            background: var(--bg-light);
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            gap: 16px;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #F0E9DC;
        }
        .faq-question .faq-toggle {
            font-size: 22px;
            font-weight: 300;
            color: var(--primary);
            line-height: 1;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
            background: #FFFFFF;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px solid var(--border);
        }
        /* ============ Return CTA ============ */
        .return-cta {
            text-align: center;
            padding: 48px 0;
        }
        .return-cta .btn-primary {
            padding: 14px 36px;
            font-size: 16px;
        }
        /* ============ Footer ============ */
        .site-footer {
            background: var(--dark-section);
            padding: 56px 0 32px;
            color: #F6F1E9;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .logo {
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .logo-text {
            color: #F6F1E9;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: rgba(246, 241, 233, 0.65);
            line-height: 1.7;
            margin: 0;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(246, 241, 233, 0.65);
            text-decoration: none;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-col a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(246, 241, 233, 0.15);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .site-footer .footer-copyright {
            font-size: 13px;
            color: rgba(246, 241, 233, 0.55);
        }
        .site-footer .footer-copyright a {
            color: rgba(246, 241, 233, 0.75);
            text-decoration: none;
        }
        .site-footer .footer-copyright a:hover {
            color: var(--accent);
        }
        .site-footer .footer-links-bottom {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .site-footer .footer-links-bottom a {
            font-size: 13px;
            color: rgba(246, 241, 233, 0.55);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links-bottom a:hover {
            color: var(--accent);
        }
        .site-footer .footer-risk {
            font-size: 12px;
            color: rgba(246, 241, 233, 0.4);
            text-align: center;
            margin-top: 24px;
            margin-bottom: 0;
        }
        /* ============ Responsive ============ */
        @media (max-width: 1023px) {
            .section {
                padding: 56px 0;
            }
            .article-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 56px;
            }
            .site-header {
                height: 56px;
            }
            .container {
                padding: 0 16px;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                bottom: 0;
                background: #FFFFFF;
                flex-direction: column;
                justify-content: flex-start;
                padding: 24px;
                gap: 16px;
                overflow-y: auto;
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 17px;
                padding: 12px 0;
                border-bottom: 1px solid var(--border);
                width: 100%;
                text-align: left;
            }
            .main-nav a.active {
                border-bottom-color: var(--primary);
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .category-hero {
                min-height: auto;
                padding: 40px 0 32px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-subtitle {
                font-size: 14px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .article-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cta-narrow {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }
            .cta-narrow .cta-actions {
                justify-content: center;
                width: 100%;
            }
            .cta-narrow .cta-actions .btn-primary,
            .cta-narrow .cta-actions .btn-outline-light {
                flex: 1;
            }
            .topic-pills {
                gap: 8px;
            }
            .topic-pill {
                padding: 8px 14px;
                font-size: 13px;
            }
            .data-tip-bar {
                flex-direction: column;
                text-align: center;
                padding: 20px;
            }
            .data-tip-bar .tip-stat {
                display: flex;
                gap: 8px;
                align-items: baseline;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .site-footer .footer-links-bottom {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 22px;
            }
            .card-item .card-body {
                padding: 16px 18px;
            }
            .card-title {
                font-size: 17px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
            .article-grid {
                gap: 12px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer-inner {
                padding: 14px 16px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1F3D36;
            --primary-dark: #12251F;
            --accent: #C97B3C;
            --accent-hover: #AD6428;
            --accent-soft: rgba(201, 123, 60, 0.08);
            --bg-light: #F6F1E9;
            --card-bg: #FFFFFF;
            --dark-section: #12251F;
            --text-primary: #1C1C1C;
            --text-secondary: #5C5C5C;
            --text-muted: #8C877F;
            --border: #E4D8C8;
            --border-hover: #C9BBA8;
            --success: #2E7D5B;
            --danger: #B84C3A;
            --info: #4A6FA5;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-lg: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(28, 42, 37, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(28, 42, 37, 0.12);
            --shadow-lg: 0 12px 40px rgba(28, 42, 37, 0.18);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
        }

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

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

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

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

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

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

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

        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ Header / Navigation ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: 64px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(28, 42, 37, 0.08);
        }

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

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

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .logo-icon::before {
            content: '';
            width: 14px;
            height: 14px;
            border-left: 2.5px solid var(--accent);
            border-bottom: 2.5px solid var(--accent);
            transform: rotate(-45deg) translateY(-2px);
            border-radius: 1px;
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #F6F1E9;
            top: 8px;
            right: 8px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.4px;
            white-space: nowrap;
        }

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

        .main-nav a {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

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

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

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

        .nav-cta .btn-primary {
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 4px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .nav-toggle span {
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

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

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ============ Buttons ============ */
        .btn-primary {
            background: var(--accent);
            color: #FFFFFF;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            display: inline-block;
            text-align: center;
            transition: background var(--transition-fast), transform var(--transition-fast);
            border: 1px solid var(--accent);
            text-decoration: none;
        }

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

        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            display: inline-block;
            text-align: center;
            transition: background var(--transition-fast), color var(--transition-fast);
            text-decoration: none;
        }

        .btn-outline:hover {
            background: var(--accent-soft);
            color: var(--accent-hover);
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(246, 241, 233, 0.5);
            color: #F6F1E9;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            display: inline-block;
            text-align: center;
            transition: background var(--transition-fast), border-color var(--transition-fast);
            text-decoration: none;
        }

        .btn-outline-light:hover {
            background: rgba(246, 241, 233, 0.1);
            border-color: #F6F1E9;
            color: #F6F1E9;
        }

        .btn-small {
            padding: 8px 18px;
            font-size: 14px;
        }

        /* ============ Sections ============ */
        section {
            padding: 72px 0;
        }

        @media (max-width: 768px) {
            section {
                padding: 48px 0;
            }
        }

        @media (max-width: 480px) {
            section {
                padding: 36px 0;
            }
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 24px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ============ Page Hero (Category H1) ============ */
        .category-hero {
            background: var(--primary);
            min-height: 32vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding-top: 64px;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(246, 241, 233, 0.06) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }

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

        .category-hero h1 {
            font-size: 40px;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .category-hero .hero-sub {
            font-size: 17px;
            color: #F6F1E9;
            line-height: 1.7;
            max-width: 640px;
            opacity: 0.9;
        }

        @media (max-width: 768px) {
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero {
                min-height: 28vh;
            }
        }

        /* ============ Breadcrumb ============ */
        .breadcrumb-wrap {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-nav .separator {
            color: var(--border-hover);
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ============ Cards ============ */
        .card-base {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            overflow: hidden;
        }

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

        /* Security Check Cards */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }

        .security-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            padding: 28px 24px;
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }

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

        .security-card .icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--accent);
            font-weight: 700;
            font-size: 20px;
        }

        .security-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

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

        /* Account Management Panel */
        .account-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .account-groups {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .account-group {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 20px 24px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .account-group:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
        }

        .account-group h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .account-group h4::before {
            content: '';
            width: 4px;
            height: 18px;
            background: var(--accent);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .account-group ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .account-group ul li {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            padding-left: 18px;
            position: relative;
        }

        .account-group ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 9px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .account-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }

        .account-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        /* Credentials Strip */
        .credentials-strip {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 32px 24px;
            text-align: center;
        }

        .credentials-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-bottom: 16px;
        }

        .credential-badge {
            width: 80px;
            height: 60px;
            border-radius: 8px;
            background: #F0ECE4;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }

        .credential-badge:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--accent);
        }

        .credentials-note {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-hover);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: #F6F1E9;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            transition: background var(--transition-fast);
            gap: 16px;
        }

        .faq-question:hover {
            background: #F0EAE0;
        }

        .faq-question .faq-icon {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            line-height: 1;
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 16px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* CTA Section */
        .cta-section {
            background: var(--dark-section);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(31, 61, 54, 0.3), rgba(18, 37, 31, 0.6));
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: #F6F1E9;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-section p {
            font-size: 16px;
            color: #F6F1E9;
            opacity: 0.85;
            margin-bottom: 28px;
        }

        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--dark-section);
            color: #F6F1E9;
            padding: 64px 0 32px;
            margin-top: 0;
        }

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

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo-text {
            color: #F6F1E9;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(246, 241, 233, 0.7);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #F6F1E9;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(246, 241, 233, 0.7);
            margin-bottom: 10px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(246, 241, 233, 0.15);
            margin-bottom: 16px;
        }

        .footer-copyright {
            font-size: 13px;
            color: rgba(246, 241, 233, 0.7);
        }

        .footer-copyright a {
            color: rgba(246, 241, 233, 0.8);
            text-decoration: none;
        }

        .footer-copyright a:hover {
            color: var(--accent);
        }

        .footer-links-bottom {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-links-bottom a {
            font-size: 13px;
            color: rgba(246, 241, 233, 0.7);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-links-bottom a:hover {
            color: var(--accent);
        }

        .footer-risk {
            font-size: 12px;
            color: rgba(246, 241, 233, 0.55);
            text-align: center;
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 18px;
            }
            .main-nav a {
                font-size: 14px;
            }
            .account-panel {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .account-image-wrap {
                order: -1;
                max-height: 320px;
                overflow: hidden;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .nav-container {
                padding: 0 4px;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: stretch;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 24px rgba(28, 42, 37, 0.1);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 4px;
                font-size: 16px;
                border-bottom: 1px solid var(--border);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .category-hero {
                min-height: 26vh;
                padding-top: 56px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-sub {
                font-size: 15px;
            }
            .security-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-section {
                padding: 36px 20px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .security-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .account-group {
                padding: 16px 18px;
            }
            .credentials-badges {
                gap: 10px;
            }
            .credential-badge {
                width: 64px;
                height: 48px;
                font-size: 11px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-btns {
                flex-direction: column;
                gap: 12px;
            }
            .cta-btns .btn-primary,
            .cta-btns .btn-outline-light {
                width: 100%;
            }
            section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 14px 16px;
            }
        }