/* roulang page: index */
:root {
            --color-primary: #1A1A1A;
            --color-primary-light: #2A2A2A;
            --color-accent: #C6A15B;
            --color-accent-soft: #E8D9BC;
            --color-bg: #FAF7F2;
            --color-bg-alt: #F7F3ED;
            --color-text: #1A1A1A;
            --color-text-secondary: #5C5C5C;
            --color-text-muted: #8A8A8A;
            --color-white: #FFFFFF;
            --color-border: #E5DED4;
            --color-border-gold: #D4BC8A;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-xs: 0 1px 4px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 12px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
            --font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --header-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-family);
            font-size: inherit;
            color: inherit;
            border: 0;
            outline: none;
            background: none;
            transition: all var(--transition-fast);
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text);
        }

        h1 {
            font-size: 38px;
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }
        h2 {
            font-size: 28px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.5;
        }
        h3 {
            font-size: 19px;
            font-weight: 600;
            letter-spacing: 0.01em;
            line-height: 1.6;
        }

        p {
            margin-bottom: 1.2em;
            color: var(--color-text-secondary);
        }

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

        .section {
            padding: var(--section-padding);
        }
        .section--alt {
            background-color: var(--color-bg-alt);
        }
        .section--dark {
            background-color: var(--color-primary);
            color: #E8E4DE;
        }
        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }
        .section--dark p {
            color: #C8C4BC;
        }

        .section-header {
            max-width: 680px;
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 500;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        .section-divider {
            border: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, var(--color-border-gold) 50%, transparent 100%);
            margin: 0;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--color-primary);
            height: var(--header-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(198, 161, 91, 0.2);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0,0,0,0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.06em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .navbar-logo:hover {
            color: var(--color-accent);
        }
        .navbar-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .navbar {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .navbar-links a {
            color: #D8D4CC;
            font-size: 14px;
            letter-spacing: 0.04em;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
        }
        .navbar-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: width var(--transition-base);
        }
        .navbar-links a:hover,
        .navbar-links a.active {
            color: #FFFFFF;
        }
        .navbar-links a:hover::after,
        .navbar-links a.active::after {
            width: 100%;
        }

        .navbar-subscribe {
            background: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
            padding: 6px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .navbar-subscribe:hover {
            background-color: var(--color-accent);
            color: #1A1A1A;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 4px;
            background: none;
            border: 0;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: #E8E4DE;
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background-color: var(--color-primary);
            padding: 20px 24px 32px;
            z-index: 999;
            border-bottom: 1px solid rgba(198,161,91,0.25);
            flex-direction: column;
            gap: 16px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: #E8E4DE;
            font-size: 16px;
            letter-spacing: 0.04em;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .mobile-menu a:hover {
            color: var(--color-accent);
        }
        .mobile-menu .navbar-subscribe {
            align-self: flex-start;
            margin-top: 8px;
        }

        /* Hero */
        .hero {
            background-color: var(--color-bg);
            padding: 0;
            min-height: 520px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background-image: linear-gradient(135deg, rgba(250,247,242,0.95) 0%, rgba(250,247,242,0.85) 40%, rgba(198,161,91,0.08) 100%);
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-image: url('/assets/images/fd7f1c453c38c6f9.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.7;
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: linear-gradient(90deg, var(--color-bg) 0%, rgba(250,247,242,0.3) 60%, rgba(250,247,242,0) 100%);
            z-index: 1;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 56px 24px 48px;
            position: relative;
            z-index: 2;
        }
        .hero-content {
            flex: 1.2;
            max-width: 620px;
        }
        .hero-visual {
            flex: 0.8;
            max-width: 380px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.14em;
            color: var(--color-accent);
            text-transform: uppercase;
            font-weight: 500;
            margin-bottom: 16px;
            border: 1px solid var(--color-border-gold);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
        }
        .hero h1 {
            margin-bottom: 16px;
            max-width: 580px;
        }
        .hero-subtitle {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            letter-spacing: 0.03em;
            font-weight: 500;
            transition: all var(--transition-base);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #FFFFFF;
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-text);
            border-color: var(--color-text);
        }
        .btn-outline:hover {
            background-color: var(--color-accent-soft);
            border-color: var(--color-accent);
            color: var(--color-text);
        }
        .btn-gold {
            background-color: var(--color-accent);
            color: #1A1A1A;
            border-color: var(--color-accent);
        }
        .btn-gold:hover {
            background-color: #B89650;
            border-color: #B89650;
            color: #1A1A1A;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .hero-card {
            background-color: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 24px;
            box-shadow: var(--shadow-md);
        }
        .hero-card .card-label {
            font-size: 11px;
            letter-spacing: 0.1em;
            color: var(--color-accent);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .hero-card h3 {
            font-size: 17px;
            margin-bottom: 12px;
        }
        .hero-card p {
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 16px;
            color: var(--color-text-secondary);
        }
        .hero-options {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 16px;
        }
        .hero-option {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .hero-option:hover,
        .hero-option.selected {
            border-color: var(--color-accent);
            background-color: #FCF8F2;
            color: var(--color-text);
        }
        .hero-option .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            border: 1px solid var(--color-border-gold);
            flex-shrink: 0;
        }
        .hero-option.selected .dot {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
        }
        .hero-preview {
            background-color: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: 16px;
            font-size: 13px;
            color: var(--color-text-secondary);
            text-align: center;
            border: 1px dashed var(--color-border-gold);
            min-height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1.6;
        }

        /* Section: Brand Intro */
        .brand-intro {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .brand-intro-image {
            flex: 0 0 380px;
            max-width: 420px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .brand-intro-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            display: block;
        }
        .brand-intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            border: 1px solid var(--color-border-gold);
            border-radius: var(--radius-lg);
            pointer-events: none;
        }
        .brand-intro-text {
            flex: 1;
            min-width: 320px;
        }
        .brand-intro-text h2 {
            margin-bottom: 16px;
        }
        .brand-intro-text p {
            font-size: 15px;
            line-height: 2.0;
            margin-bottom: 14px;
        }
        .brand-intro-text p:last-child {
            margin-bottom: 0;
        }

        /* Grid Cards */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .card {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }
        .card:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .card-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-image img {
            transform: scale(1.03);
        }
        .card-image .card-img-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: rgba(26,26,26,0.75);
            color: #FFFFFF;
            font-size: 11px;
            letter-spacing: 0.06em;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            backdrop-filter: blur(4px);
        }
        .card-body {
            padding: 20px;
        }
        .card-body h3 {
            font-size: 17px;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .card-body p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }
        .card-body .card-meta {
            display: flex;
            gap: 14px;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 10px;
            align-items: center;
        }

        /* Scenario / List mix */
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .scenario-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 24px;
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .scenario-item:hover {
            border-color: var(--color-border-gold);
            background-color: #FDFAF5;
        }
        .scenario-item .scenario-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-accent);
        }
        .scenario-item .scenario-text h3 {
            font-size: 16px;
            margin-bottom: 4px;
        }
        .scenario-item .scenario-text p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* Screenshot / Demo */
        .demo-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
            position: relative;
        }
        .demo-image img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .demo-caption {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 32px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--color-border-gold);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 16px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 8px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--color-accent);
            border: 2px solid var(--color-bg);
            box-shadow: 0 0 0 2px var(--color-border-gold);
        }
        .timeline-item .timeline-date {
            font-size: 12px;
            color: var(--color-accent);
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }
        .timeline-item h3 {
            font-size: 16px;
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* Business cooperation */
        .cooperation-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .cooperation-card {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .cooperation-card:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-md);
        }
        .cooperation-card .coop-icon {
            font-size: 22px;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .cooperation-card h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }
        .cooperation-card p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* Testimonial Wall */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--color-border);
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            font-size: 48px;
            color: var(--color-accent-soft);
            position: absolute;
            top: 8px;
            left: 16px;
            font-family: Georgia, 'Times New Roman', serif;
            line-height: 1;
        }
        .testimonial-card blockquote {
            font-size: 13px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            padding-left: 24px;
            padding-top: 12px;
            font-style: normal;
        }
        .testimonial-card .testimonial-source {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 12px;
            padding-left: 24px;
            letter-spacing: 0.04em;
        }

        /* Partner Reviews */
        .partner-review-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .partner-review-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            align-items: flex-start;
        }
        .partner-review-item .partner-avatar {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--color-accent);
            font-weight: 600;
        }
        .partner-review-item .partner-text h3 {
            font-size: 14px;
            margin-bottom: 4px;
        }
        .partner-review-item .partner-text p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }
        .news-item:first-child {
            padding-top: 0;
        }
        .news-item:last-child {
            border-bottom: 0;
            padding-bottom: 0;
        }
        .news-item:hover {
            padding-left: 8px;
        }
        .news-item .news-date {
            flex-shrink: 0;
            width: 72px;
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 600;
            letter-spacing: 0.04em;
            padding-top: 4px;
        }
        .news-item .news-content h3 {
            font-size: 15px;
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .news-item .news-content p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* Deep Content */
        .deep-content {
            display: flex;
            gap: 40px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .deep-content-image {
            flex: 0 0 360px;
            max-width: 400px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
        }
        .deep-content-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .deep-content-text {
            flex: 1;
            min-width: 300px;
        }
        .deep-content-text h2 {
            margin-bottom: 16px;
        }
        .deep-content-text p {
            font-size: 15px;
            line-height: 2.0;
            margin-bottom: 12px;
        }
        .deep-content-text p:last-child {
            margin-bottom: 0;
        }

        /* Stats Wall */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-sm);
        }
        .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            letter-spacing: 0.04em;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 760px;
        }
        .faq-item {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border-gold);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            font-weight: 600;
            font-size: 14px;
            color: var(--color-text);
            gap: 12px;
            background: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--color-accent);
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            border-top: 0 solid var(--color-border);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            border-top-width: 1px;
            padding: 16px 20px 20px;
            border-left: 2px solid var(--color-accent);
        }
        .faq-answer p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* Sustainability */
        .sustainability {
            display: flex;
            gap: 32px;
            align-items: center;
            flex-wrap: wrap;
            background-color: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 36px;
            box-shadow: var(--shadow-sm);
        }
        .sustainability-text {
            flex: 1.4;
            min-width: 300px;
        }
        .sustainability-text h2 {
            margin-bottom: 12px;
        }
        .sustainability-text p {
            font-size: 14px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin-bottom: 10px;
        }
        .sustainability-text p:last-of-type {
            margin-bottom: 0;
        }
        .sustainability-badges {
            flex: 0.6;
            display: flex;
            flex-direction: column;
            gap: 12px;
            min-width: 240px;
        }
        .sustain-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            background-color: var(--color-bg-alt);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .sustain-badge i {
            color: var(--color-accent);
            font-size: 16px;
            flex-shrink: 0;
        }

        /* CTA Section */
        .cta-section {
            background-color: var(--color-primary);
            padding: 48px 0;
            text-align: center;
        }
        .cta-section h2 {
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: #C8C4BC;
            font-size: 15px;
            line-height: 1.8;
            max-width: 560px;
            margin: 0 auto 24px;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background-color: #111111;
            color: #A8A4A0;
            padding-top: 48px;
            margin-top: auto;
        }
        .footer-inner {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand {
            flex: 1.4;
            min-width: 260px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.06em;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: #8A8A8A;
            max-width: 280px;
        }
        .footer-links {
            flex: 0.8;
            min-width: 160px;
        }
        .footer-links h4 {
            font-size: 13px;
            letter-spacing: 0.1em;
            color: #C8C4BC;
            font-weight: 600;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .footer-links a {
            display: block;
            font-size: 13px;
            color: #8A8A8A;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-subscribe {
            flex: 1.2;
            min-width: 240px;
        }
        .footer-subscribe h4 {
            font-size: 13px;
            letter-spacing: 0.1em;
            color: #C8C4BC;
            font-weight: 600;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .footer-subscribe p {
            font-size: 13px;
            color: #8A8A8A;
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 180px;
            background-color: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-sm);
            padding: 10px 12px;
            color: #E8E4DE;
            font-size: 13px;
            letter-spacing: 0.02em;
        }
        .subscribe-form input::placeholder {
            color: #6A6A6A;
        }
        .subscribe-form input:focus {
            border-color: var(--color-accent);
            outline: none;
            background-color: rgba(255,255,255,0.08);
        }
        .subscribe-form .btn-gold {
            padding: 10px 18px;
            font-size: 13px;
            flex-shrink: 0;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0 24px;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #6A6A6A;
        }
        .footer-bottom a {
            color: #8A8A8A;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-bottom .footer-legal {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }

        /* Back to top */
        .back-to-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            background-color: var(--color-primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: var(--shadow-md);
            z-index: 900;
            opacity: 0;
            pointer-events: none;
            transition: all var(--transition-base);
            border: 1px solid rgba(198,161,91,0.3);
        }
        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .back-to-top:hover {
            background-color: var(--color-accent);
            color: #1A1A1A;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .grid-3,
            .cooperation-grid,
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero::before,
            .hero::after {
                width: 38%;
            }
            .hero-inner {
                gap: 28px;
            }
            .hero-visual {
                max-width: 300px;
            }
            h1 {
                font-size: 32px;
            }
            h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            .navbar-links {
                display: none;
            }
            .navbar-subscribe {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero::before,
            .hero::after {
                display: none;
            }
            .hero-inner {
                flex-direction: column;
                padding: 40px 20px 36px;
                gap: 28px;
            }
            .hero-content {
                max-width: 100%;
                flex: 1;
            }
            .hero-visual {
                max-width: 100%;
                width: 100%;
                flex: 1;
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 22px;
            }
            .grid-3,
            .grid-2,
            .cooperation-grid,
            .testimonial-grid,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 28px;
            }
            .brand-intro {
                flex-direction: column;
            }
            .brand-intro-image {
                flex: 1;
                max-width: 100%;
                width: 100%;
            }
            .brand-intro-image img {
                height: 220px;
            }
            .deep-content {
                flex-direction: column;
            }
            .deep-content-image {
                flex: 1;
                max-width: 100%;
                width: 100%;
            }
            .deep-content-image img {
                height: 220px;
            }
            .sustainability {
                flex-direction: column;
                padding: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 13px;
            }
            .hero-actions {
                gap: 8px;
            }
            .news-item .news-date {
                width: 56px;
                font-size: 12px;
            }
            .faq-question {
                font-size: 13px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 14px 16px 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: var(--section-padding-mobile);
            }
            .hero-inner {
                padding: 32px 16px 28px;
            }
            h1 {
                font-size: 24px;
                line-height: 1.45;
            }
            h2 {
                font-size: 20px;
            }
            h3 {
                font-size: 17px;
            }
            .hero-subtitle {
                font-size: 14px;
                line-height: 1.8;
            }
            .section-header p {
                font-size: 14px;
            }
            .cooperation-card,
            .testimonial-card,
            .scenario-item,
            .partner-review-item {
                padding: 16px;
            }
            .sustainability {
                padding: 20px;
            }
            .footer-inner {
                gap: 24px;
            }
            .stats-grid {
                gap: 10px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-number {
                font-size: 24px;
            }
            .btn {
                padding: 10px 14px;
                font-size: 12px;
            }
            .navbar-logo {
                font-size: 17px;
            }
            .navbar-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1A1A1A;
            --color-primary-light: #2A2A2A;
            --color-accent: #C6A15B;
            --color-accent-soft: #E8D9BC;
            --color-bg: #FAF7F2;
            --color-bg-alt: #F7F3ED;
            --color-text: #1A1A1A;
            --color-text-secondary: #5C5C5C;
            --color-text-muted: #8A8A8A;
            --color-white: #FFFFFF;
            --color-border: #E5DED4;
            --color-border-gold: #D4BC8A;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-xs: 0 1px 4px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 12px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
            --font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --header-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-family);
            font-size: inherit;
            color: inherit;
            border: 0;
            outline: none;
            background: none;
            transition: all var(--transition-fast);
        }

        button {
            cursor: pointer;
        }

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

        .section {
            padding: var(--section-padding);
        }

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

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

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

        .section--dark p {
            color: #C8C4BC;
        }

        .section-header {
            max-width: 680px;
            margin-bottom: 40px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .section-header h2 {
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        .section-divider {
            border: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, var(--color-border-gold) 50%, transparent 100%);
            margin: 0;
        }

        h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            color: var(--color-text);
        }

        h2 {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.35;
            letter-spacing: 0.02em;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 10px;
        }

        h4 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        p {
            margin-bottom: 16px;
            color: var(--color-text-secondary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            text-decoration: none;
            cursor: pointer;
            border: 1px solid transparent;
            white-space: nowrap;
        }

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

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

        .btn-outline {
            background-color: transparent;
            color: var(--color-text);
            border-color: var(--color-border-gold);
        }

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

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

        .btn-gold:hover {
            background-color: #B8964A;
            border-color: #B8964A;
            color: #FFFFFF;
        }

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

        .tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.08em;
            padding: 4px 12px;
            border-radius: 20px;
            background-color: var(--color-accent-soft);
            color: var(--color-accent);
            font-weight: 500;
        }

        .badge {
            display: inline-block;
            font-size: 11px;
            letter-spacing: 0.06em;
            padding: 3px 10px;
            border-radius: 3px;
            background-color: var(--color-bg-alt);
            color: var(--color-text-muted);
            border: 1px solid var(--color-border);
            font-weight: 500;
            text-transform: uppercase;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--color-primary);
            height: var(--header-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(198, 161, 91, 0.2);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0,0,0,0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.06em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .navbar-logo:hover {
            color: var(--color-accent);
        }

        .navbar-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--color-accent);
            flex-shrink: 0;
        }

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

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .navbar-links a {
            color: #D8D4CC;
            font-size: 14px;
            letter-spacing: 0.04em;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
        }

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

        .navbar-links a.active {
            color: #FFFFFF;
            font-weight: 600;
        }

        .navbar-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 1px;
        }

        .navbar-subscribe {
            padding: 8px 20px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
            background: transparent;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-base);
        }

        .navbar-subscribe:hover {
            background-color: var(--color-accent);
            color: #FFFFFF;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: #FFFFFF;
            border-radius: 1px;
            transition: all var(--transition-base);
        }

        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background-color: var(--color-primary);
            border-bottom: 1px solid rgba(198, 161, 91, 0.2);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 4px;
            z-index: 999;
        }

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

        .mobile-menu a {
            color: #D8D4CC;
            font-size: 15px;
            padding: 10px 0;
            letter-spacing: 0.04em;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }

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

        .mobile-menu a.active {
            color: #FFFFFF;
            font-weight: 600;
        }

        .mobile-menu .navbar-subscribe {
            margin-top: 16px;
            align-self: flex-start;
        }

        /* Main content */
        main {
            flex: 1;
        }

        /* Breadcrumb */
        .breadcrumb {
            padding: 20px 0;
            background-color: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
        }

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

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb span {
            color: var(--color-border-gold);
        }

        /* Category Hero */
        .category-hero {
            background-color: var(--color-bg);
            position: relative;
            overflow: hidden;
            padding: 64px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-image: url('/assets/images/fd7f1c453c38c6f9.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
            max-width: 680px;
        }

        .category-hero .tag {
            margin-bottom: 16px;
        }

        .category-hero h1 {
            font-size: 40px;
            margin-bottom: 18px;
        }

        .category-hero .hero-description {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            max-width: 560px;
        }

        /* Category Intro / Overview */
        .category-overview {
            padding: 56px 0;
            background-color: var(--color-white);
        }

        .category-overview .overview-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .category-overview .overview-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .category-overview .overview-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .category-overview .overview-text h2 {
            margin-bottom: 18px;
        }

        .category-overview .overview-text p {
            margin-bottom: 12px;
            line-height: 1.9;
        }

        /* Business Grid Section */
        .business-grid-section {
            padding: var(--section-padding);
            background-color: var(--color-bg);
        }

        .business-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .business-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }

        .business-card:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .business-card .card-image {
            aspect-ratio: 3/2;
            overflow: hidden;
            position: relative;
        }

        .business-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .business-card:hover .card-image img {
            transform: scale(1.05);
        }

        .business-card .card-body {
            padding: 24px;
        }

        .business-card .card-body .tag {
            margin-bottom: 10px;
        }

        .business-card .card-body h3 {
            font-size: 19px;
            margin-bottom: 10px;
        }

        .business-card .card-body p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* Support Section A - Dual Column */
        .support-section-a {
            padding: var(--section-padding);
            background-color: var(--color-bg-alt);
        }

        .support-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: stretch;
        }

        .support-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 36px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }

        .support-card:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-sm);
        }

        .support-card .support-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--color-accent);
            font-size: 20px;
        }

        .support-card h3 {
            margin-bottom: 12px;
        }

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

        /* Support Section B - Data Points */
        .support-section-b {
            padding: var(--section-padding);
            background-color: var(--color-bg);
        }

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

        .data-item {
            text-align: center;
            padding: 28px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            background: var(--color-white);
            transition: all var(--transition-base);
        }

        .data-item:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-sm);
        }

        .data-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            margin-bottom: 6px;
            line-height: 1.2;
        }

        .data-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            letter-spacing: 0.06em;
        }

        /* Related Content / Extended Reading */
        .related-content {
            padding: var(--section-padding);
            background-color: var(--color-bg-alt);
        }

        .related-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .related-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all var(--transition-base);
        }

        .related-item:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-xs);
        }

        .related-item .related-thumb {
            width: 72px;
            height: 54px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .related-item .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-item .related-info {
            flex: 1;
        }

        .related-item .related-info h4 {
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 4px;
        }

        .related-item .related-info p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }

        .related-item .related-arrow {
            color: var(--color-accent);
            font-size: 18px;
            flex-shrink: 0;
        }

        /* FAQ Section */
        .faq-section {
            padding: var(--section-padding);
            background-color: var(--color-bg);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--color-white);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item.open {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            gap: 16px;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            font-family: var(--font-family);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--color-accent);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
            border-top: 1px solid transparent;
        }

        .faq-item.open .faq-answer {
            max-height: 600px;
            border-top: 1px solid var(--color-border);
        }

        .faq-answer-inner {
            padding: 18px 24px;
            font-size: 14px;
            line-height: 1.85;
            color: var(--color-text-secondary);
            border-left: 3px solid var(--color-accent);
            margin-left: 20px;
        }

        /* Editor Note / Summary */
        .editor-note {
            padding: 56px 0;
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .editor-note .note-content {
            max-width: 720px;
        }

        .editor-note .note-content h2 {
            margin-bottom: 16px;
        }

        .editor-note .note-content p {
            line-height: 1.9;
        }

        /* CTA Section */
        .cta-section {
            padding: 72px 0;
            background-color: var(--color-primary);
            color: #E8E4DE;
            text-align: center;
        }

        .cta-section .container {
            max-width: 640px;
        }

        .cta-section h2 {
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .cta-section p {
            color: #C8C4BC;
            margin-bottom: 28px;
            font-size: 15px;
            line-height: 1.85;
        }

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

        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: #E8E4DE;
            padding-top: 56px;
            border-top: 1px solid rgba(198, 161, 91, 0.2);
            flex-shrink: 0;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand p {
            color: #C8C4BC;
            font-size: 14px;
            line-height: 1.75;
            margin-top: 16px;
            margin-bottom: 0;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.06em;
        }

        .footer-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .footer-links h4,
        .footer-subscribe h4 {
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }

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

        .footer-links a {
            color: #C8C4BC;
            font-size: 14px;
            transition: color var(--transition-fast);
        }

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

        .footer-subscribe p {
            color: #C8C4BC;
            font-size: 13px;
            margin-bottom: 12px;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 180px;
            padding: 10px 16px;
            border: 1px solid var(--color-border-gold);
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.06);
            color: #FFFFFF;
            font-size: 14px;
            letter-spacing: 0.02em;
        }

        .subscribe-form input::placeholder {
            color: #8A8A8A;
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255,255,255,0.1);
        }

        .footer-bottom {
            border-top: 1px solid rgba(198, 161, 91, 0.15);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
            font-size: 12px;
            color: #8A8A8A;
        }

        .footer-legal a {
            color: #C8C4BC;
            font-size: 12px;
            transition: color var(--transition-fast);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .business-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 56px;
            }
            :root {
                --header-height: 56px;
                --section-padding: 40px 0;
            }
            .navbar-links {
                display: none;
            }
            .navbar-subscribe {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu .navbar-subscribe {
                display: inline-flex;
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 22px;
            }
            .category-hero {
                padding: 40px 0;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .business-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .support-grid {
                grid-template-columns: 1fr;
            }
            .category-overview .overview-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .related-item {
                flex-wrap: wrap;
            }
            .cta-section .btn-group {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .data-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .business-card .card-body {
                padding: 18px;
            }
            .support-card {
                padding: 24px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer-inner {
                padding: 14px 16px;
                margin-left: 12px;
                font-size: 13px;
            }
            .footer-legal {
                gap: 8px;
                font-size: 11px;
            }
        }

/* roulang page: category1 */
:root {
  --color-primary: #1A1A1A;
  --color-primary-light: #2A2A2A;
  --color-accent: #C6A15B;
  --color-accent-soft: #E8D9BC;
  --color-bg: #FAF7F2;
  --color-bg-alt: #F7F3ED;
  --color-text: #1A1A1A;
  --color-text-secondary: #5C5C5C;
  --color-text-muted: #8A8A8A;
  --color-white: #FFFFFF;
  --color-border: #E5DED4;
  --color-border-gold: #D4BC8A;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-xs: 0 1px 4px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
  --font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --container-max: 1200px;
  --section-padding: 72px 0;
  --section-padding-mobile: 40px 0;
  --header-height: 64px;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}
a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-accent);
}
button,
input,
textarea,
select {
  font-family: var(--font-family);
  font-size: inherit;
  color: inherit;
  border: 0;
  outline: none;
  background: none;
  transition: all var(--transition-fast);
}
button {
  cursor: pointer;
}
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}
p {
  margin: 0;
}
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}
.section {
  padding: var(--section-padding);
  box-sizing: border-box;
}
.section--alt {
  background-color: var(--color-bg-alt);
}
.section--dark {
  background-color: var(--color-primary);
  color: #E8E4DE;
}
.section--dark h2,
.section--dark h3 {
  color: #FFFFFF;
}
.section--dark p {
  color: #C8C4BC;
}
.section-header {
  max-width: 680px;
  margin-bottom: 48px;
}
.section-header .section-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 500;
}
.section-header h2 {
  margin-bottom: 14px;
  font-size: 28px;
  font-weight: 600;
}
.section-header p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}
.section-divider {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-border-gold) 50%, transparent 100%);
  margin: 0;
}
/* Header / Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-primary);
  height: var(--header-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(198, 161, 91, 0.2);
  transition: box-shadow var(--transition-base);
}
.site-header.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.15);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  box-sizing: border-box;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: color var(--transition-fast);
}
.navbar-logo:hover {
  color: var(--color-accent);
}
.navbar-logo .logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-accent);
  flex-shrink: 0;
}
.navbar {
  display: flex;
  align-items: center;
  gap: 28px;
}
.navbar-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.navbar-links a {
  color: #D8D4CC;
  font-size: 14px;
  letter-spacing: 0.04em;
  position: relative;
  padding: 4px 0;
  white-space: nowrap;
  font-weight: 400;
}
.navbar-links a:hover {
  color: var(--color-accent);
}
.navbar-links a.active {
  color: var(--color-accent);
  font-weight: 500;
}
.navbar-links a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
}
.navbar-subscribe {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  font-size: 13px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.navbar-subscribe:hover {
  background-color: var(--color-accent);
  color: #FFFFFF;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border: 0;
  background: none;
  cursor: pointer;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background-color: #D8D4CC;
  border-radius: 1px;
  transition: all var(--transition-fast);
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.mobile-menu {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  flex-direction: column;
  padding: 16px 24px 24px;
  gap: 12px;
  border-bottom: 1px solid rgba(198, 161, 91, 0.3);
  box-shadow: 0 12px 28px rgba(0,0,0,0.2);
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu a {
  color: #D8D4CC;
  font-size: 15px;
  padding: 8px 0;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-menu a:hover {
  color: var(--color-accent);
}
.mobile-menu a.active {
  color: var(--color-accent);
  font-weight: 500;
}
.mobile-menu .navbar-subscribe {
  margin-top: 12px;
  align-self: flex-start;
}
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  min-height: 44px;
}
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}
.btn-gold {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}
.btn-gold:hover {
  background-color: #B4965A;
  border-color: #B4965A;
  color: #FFFFFF;
}
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background-color: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-primary);
}
.btn-outline-light {
  background-color: transparent;
  color: #E8E4DE;
  border-color: #C8C4BC;
}
.btn-outline-light:hover {
  background-color: rgba(198, 161, 91, 0.15);
  border-color: var(--color-accent);
  color: var(--color-accent);
}
/* Cards */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-gold);
  transform: translateY(-2px);
}
.card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  background-color: var(--color-bg-alt);
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.card:hover .card-img img {
  transform: scale(1.04);
}
.card-body {
  padding: 20px 22px;
}
.card-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.card-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}
.card-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 8px;
}
/* Brand H1 section */
.brand-hero {
  position: relative;
  padding: 80px 0 72px;
  background-color: var(--color-primary);
  color: #E8E4DE;
  overflow: hidden;
  min-height: 360px;
  display: flex;
  align-items: center;
}
.brand-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/fd7f1c453c38c6f9.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.28;
  z-index: 0;
}
.brand-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26,26,26,0.65) 0%, rgba(26,26,26,0.5) 100%);
  z-index: 1;
}
.brand-hero .container {
  position: relative;
  z-index: 2;
}
.brand-hero .hero-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.brand-hero h1 {
  font-size: 40px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.brand-hero .hero-subtitle {
  font-size: 17px;
  line-height: 1.9;
  color: #D8D4CC;
  max-width: 720px;
  margin-bottom: 24px;
}
.brand-hero .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.brand-hero .hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #C8C4BC;
  letter-spacing: 0.05em;
}
.brand-hero .hero-meta i {
  color: var(--color-accent);
  font-size: 12px;
}
/* Section variations */
.section-title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}
.section-title-row h2 {
  font-size: 26px;
  font-weight: 600;
}
.section-title-row .link-more {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}
.section-title-row .link-more:hover {
  color: var(--color-primary);
}
.section-title-row .link-more i {
  font-size: 11px;
}
/* Brand card grid */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
/* Category support A - dual column */
.dual-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  align-items: start;
}
.dual-col .dual-text h3 {
  font-size: 22px;
  margin-bottom: 14px;
}
.dual-col .dual-text p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}
.dual-col .dual-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/10;
  background-color: var(--color-bg-alt);
}
.dual-col .dual-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* Data wall */
.data-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.data-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.data-item:hover {
  border-color: var(--color-border-gold);
  box-shadow: var(--shadow-sm);
}
.data-item .data-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}
.data-item .data-label {
  font-size: 13px;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}
/* Article list */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.article-list-item {
  display: flex;
  gap: 20px;
  padding: 18px 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.article-list-item:hover {
  border-color: var(--color-border-gold);
  box-shadow: var(--shadow-sm);
}
.article-list-item .article-thumb {
  width: 120px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background-color: var(--color-bg-alt);
}
.article-list-item .article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article-list-item .article-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}
.article-list-item .article-info p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}
.article-list-item .article-info .article-date {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}
/* FAQ */
.faq-list {
  max-width: 800px;
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  background-color: var(--color-white);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item.active {
  border-color: var(--color-border-gold);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  background: none;
  border: 0;
  width: 100%;
  text-align: left;
}
.faq-question:hover {
  color: var(--color-accent);
}
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-size: 12px;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.faq-item.active .faq-question .faq-icon {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}
.faq-answer-inner {
  padding: 0 22px 20px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-text-secondary);
  border-left: 2px solid var(--color-accent);
  margin-left: 22px;
  padding-left: 16px;
}
/* Editor note */
.editor-note {
  background-color: var(--color-bg-alt);
  border-left: 3px solid var(--color-accent);
  padding: 24px 28px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-secondary);
}
/* CTA band */
.cta-band {
  background-color: var(--color-primary);
  padding: 64px 0;
  text-align: center;
  color: #E8E4DE;
}
.cta-band h2 {
  color: #FFFFFF;
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 14px;
}
.cta-band p {
  color: #C8C4BC;
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.9;
}
.cta-band .btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: #C8C4BC;
  border-top: 1px solid rgba(198, 161, 91, 0.2);
  padding: 56px 0 0;
  margin-top: auto;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  color: #A8A49C;
  max-width: 320px;
}
.footer-links h4,
.footer-subscribe h4 {
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: #A8A49C;
  font-size: 14px;
  transition: color var(--transition-fast);
}
.footer-links a:hover {
  color: var(--color-accent);
}
.footer-subscribe p {
  font-size: 14px;
  color: #A8A49C;
  margin-bottom: 16px;
  line-height: 1.8;
}
.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 340px;
}
.subscribe-form input {
  flex: 1;
  background-color: transparent;
  border: 1px solid #3A3A3A;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #E8E4DE;
  font-size: 14px;
  min-width: 0;
}
.subscribe-form input::placeholder {
  color: #6A6A6A;
}
.subscribe-form input:focus {
  border-color: var(--color-accent);
}
.subscribe-form .btn {
  flex-shrink: 0;
  padding: 12px 20px;
  min-height: 44px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-legal {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: #6A6A6A;
  letter-spacing: 0.03em;
}
.footer-legal a {
  color: #6A6A6A;
  font-size: 12px;
}
.footer-legal a:hover {
  color: var(--color-accent);
}
/* Responsive */
@media (max-width: 1024px) {
  .navbar-links {
    gap: 20px;
  }
  .navbar {
    gap: 20px;
  }
  .brand-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .data-wall {
    grid-template-columns: repeat(2, 1fr);
  }
  .dual-col {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}
@media (max-width: 768px) {
  .navbar-links {
    display: none;
  }
  .navbar .navbar-subscribe {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .mobile-menu .navbar-subscribe {
    display: inline-flex;
  }
  .section {
    padding: var(--section-padding-mobile);
  }
  .brand-hero {
    padding: 56px 0 48px;
    min-height: 280px;
  }
  .brand-hero h1 {
    font-size: 30px;
  }
  .brand-hero .hero-subtitle {
    font-size: 15px;
  }
  .brand-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .data-wall {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .article-list-item {
    flex-direction: column;
    gap: 12px;
  }
  .article-list-item .article-thumb {
    width: 100%;
    height: 160px;
  }
  .section-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .subscribe-form {
    flex-direction: column;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 520px) {
  .data-wall {
    grid-template-columns: 1fr;
  }
  .brand-hero h1 {
    font-size: 26px;
  }
  .btn {
    padding: 10px 20px;
    font-size: 13px;
    min-height: 40px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .container {
    padding: 0 16px;
  }
  .header-inner {
    padding: 0 16px;
  }
}

/* roulang page: category3 */
:root {
      --color-primary: #1A1A1A;
      --color-primary-light: #2A2A2A;
      --color-accent: #C6A15B;
      --color-accent-soft: #E8D9BC;
      --color-bg: #FAF7F2;
      --color-bg-alt: #F7F3ED;
      --color-text: #1A1A1A;
      --color-text-secondary: #5C5C5C;
      --color-text-muted: #8A8A8A;
      --color-white: #FFFFFF;
      --color-border: #E5DED4;
      --color-border-gold: #D4BC8A;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-xs: 0 1px 4px rgba(0,0,0,0.04);
      --shadow-sm: 0 2px 12px rgba(0,0,0,0.04);
      --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
      --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
      --font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
      --transition-fast: 0.2s ease;
      --transition-base: 0.3s ease;
      --transition-slow: 0.5s ease;
      --container-max: 1200px;
      --section-padding: 72px 0;
      --section-padding-mobile: 40px 0;
      --header-height: 64px;
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body {
      font-family: var(--font-family);
      font-size: 15px;
      line-height: 1.8;
      color: var(--color-text);
      background-color: var(--color-bg);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
      border: 0;
    }

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

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

    button,
    input,
    textarea,
    select {
      font-family: var(--font-family);
      font-size: inherit;
      color: inherit;
      border: 0;
      outline: none;
      background: none;
      transition: all var(--transition-fast);
    }

    button {
      cursor: pointer;
    }

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

    .section {
      padding: var(--section-padding);
    }

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

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

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

    .section--dark p {
      color: #C8C4BC;
    }

    .section-header {
      max-width: 680px;
      margin-bottom: 40px;
    }

    .section-header .section-tag {
      display: inline-block;
      font-size: 12px;
      letter-spacing: 0.12em;
      color: var(--color-accent);
      text-transform: uppercase;
      margin-bottom: 12px;
      font-weight: 500;
    }

    .section-header h2 {
      margin-bottom: 12px;
      font-size: 28px;
      font-weight: 600;
      line-height: 1.4;
    }

    .section-header p {
      font-size: 15px;
      line-height: 1.9;
      color: var(--color-text-secondary);
      margin-bottom: 0;
    }

    .section-divider {
      border: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent 0%, var(--color-border-gold) 50%, transparent 100%);
      margin: 0;
    }

    /* Header / Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: var(--color-primary);
      height: var(--header-height);
      display: flex;
      align-items: center;
      border-bottom: 1px solid rgba(198, 161, 91, 0.2);
      transition: box-shadow var(--transition-base);
    }

    .site-header.scrolled {
      box-shadow: 0 2px 16px rgba(0,0,0,0.15);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
      height: 100%;
    }

    .navbar-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: 0.06em;
      white-space: nowrap;
    }

    .navbar-logo:hover {
      color: var(--color-accent);
    }

    .navbar-logo .logo-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      border: 1px solid var(--color-accent);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--color-accent);
      flex-shrink: 0;
    }

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

    .navbar-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .navbar-links a {
      color: #D8D4CC;
      font-size: 14px;
      letter-spacing: 0.04em;
      position: relative;
      padding: 4px 0;
      white-space: nowrap;
    }

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

    .navbar-links a.active {
      color: #FFFFFF;
    }

    .navbar-links a.active::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -4px;
      width: 100%;
      height: 2px;
      background-color: var(--color-accent);
      border-radius: 2px;
    }

    .navbar-subscribe {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 20px;
      border: 1px solid var(--color-accent);
      border-radius: var(--radius-sm);
      color: var(--color-accent);
      font-size: 14px;
      letter-spacing: 0.04em;
      white-space: nowrap;
      transition: all var(--transition-fast);
    }

    .navbar-subscribe:hover {
      background-color: var(--color-accent);
      color: #FFFFFF;
    }

    .hamburger {
      display: none;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 36px;
      height: 36px;
      padding: 6px;
      background: transparent;
      border: none;
    }

    .hamburger span {
      display: block;
      width: 100%;
      height: 2px;
      background-color: #FFFFFF;
      transition: all var(--transition-fast);
      border-radius: 2px;
    }

    .mobile-menu {
      display: none;
      position: absolute;
      top: var(--header-height);
      left: 0;
      right: 0;
      background-color: var(--color-primary);
      flex-direction: column;
      padding: 16px 24px 24px;
      border-bottom: 1px solid rgba(198, 161, 91, 0.2);
      z-index: 999;
    }

    .mobile-menu a {
      color: #D8D4CC;
      font-size: 16px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .mobile-menu a.active {
      color: var(--color-accent);
    }

    .mobile-menu .navbar-subscribe {
      margin-top: 16px;
      text-align: center;
      justify-content: center;
    }

    /* Category Hero */
    .category-hero {
      background-color: var(--color-primary);
      color: #FFFFFF;
      padding: 56px 0;
      border-bottom: 1px solid rgba(198, 161, 91, 0.2);
    }

    .category-hero .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }

    .category-hero-text {
      flex: 1;
      max-width: 680px;
    }

    .category-hero-text h1 {
      font-size: 36px;
      font-weight: 700;
      line-height: 1.3;
      letter-spacing: 0.04em;
      margin-bottom: 16px;
    }

    .category-hero-text p {
      font-size: 16px;
      line-height: 1.9;
      color: #C8C4BC;
      margin: 0;
    }

    .category-hero-image {
      flex: 0 0 240px;
      height: 160px;
      background-color: #2A2A2A;
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-accent);
      font-size: 48px;
    }

    /* Insights List */
    .insights-list .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .insight-card {
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition-base);
      display: flex;
      flex-direction: column;
    }

    .insight-card:hover {
      border-color: var(--color-border-gold);
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .insight-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }

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

    .insight-card-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 10px;
    }

    .insight-card-date {
      font-size: 12px;
      color: var(--color-text-muted);
      letter-spacing: 0.04em;
    }

    .insight-card-tag {
      display: inline-block;
      padding: 2px 8px;
      font-size: 11px;
      letter-spacing: 0.08em;
      color: var(--color-accent);
      border: 1px solid var(--color-accent-soft);
      border-radius: 4px;
      background: rgba(198, 161, 91, 0.06);
    }

    .insight-card-title {
      font-size: 18px;
      font-weight: 600;
      line-height: 1.5;
      margin-bottom: 10px;
      color: var(--color-text);
    }

    .insight-card-desc {
      font-size: 14px;
      line-height: 1.8;
      color: var(--color-text-secondary);
      margin-bottom: 18px;
      flex: 1;
    }

    .view-more {
      align-self: flex-start;
      font-size: 14px;
      color: var(--color-accent);
      border-bottom: 1px solid var(--color-accent);
      padding-bottom: 2px;
      transition: all var(--transition-fast);
    }

    .view-more:hover {
      color: var(--color-primary);
      border-color: var(--color-primary);
    }

    .list-bottom-link {
      margin-top: 36px;
      text-align: center;
    }

    /* Topic Spotlight */
    .topic-spotlight .topics-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }

    .topic-card {
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition-base);
    }

    .topic-card:hover {
      border-color: var(--color-border-gold);
      box-shadow: var(--shadow-md);
    }

    .topic-card-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }

    .topic-card-body {
      padding: 24px;
    }

    .topic-card-title {
      font-size: 20px;
      font-weight: 600;
      line-height: 1.5;
      margin-bottom: 10px;
    }

    .topic-card-desc {
      font-size: 14px;
      line-height: 1.8;
      color: var(--color-text-secondary);
      margin-bottom: 16px;
    }

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

    .point-item {
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-xs);
      transition: all var(--transition-base);
    }

    .point-item:hover {
      border-color: var(--color-border-gold);
      box-shadow: var(--shadow-sm);
    }

    .point-icon {
      width: 44px;
      height: 44px;
      border: 1px solid var(--color-accent);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-accent);
      font-size: 18px;
      margin-bottom: 16px;
    }

    .point-title {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .point-desc {
      font-size: 14px;
      line-height: 1.8;
      color: var(--color-text-secondary);
    }

    /* Extended Reading */
    .extended-reading .reading-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .reading-item {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 18px 20px;
      box-shadow: var(--shadow-xs);
      transition: all var(--transition-base);
    }

    .reading-item:hover {
      border-color: var(--color-border-gold);
      box-shadow: var(--shadow-sm);
    }

    .reading-item-icon {
      flex-shrink: 0;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: rgba(198, 161, 91, 0.1);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
    }

    .reading-item-content {
      flex: 1;
    }

    .reading-item-title {
      font-size: 15px;
      font-weight: 500;
      color: var(--color-text);
    }

    .reading-item-desc {
      font-size: 13px;
      color: var(--color-text-muted);
      margin-top: 4px;
    }

    /* FAQ */
    .faq .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-xs);
      overflow: hidden;
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      width: 100%;
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      text-align: left;
      color: var(--color-text);
      background: none;
      border: none;
      cursor: pointer;
      transition: all var(--transition-fast);
    }

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

    .faq-question .faq-icon {
      flex-shrink: 0;
      font-size: 16px;
      transition: transform var(--transition-fast);
    }

    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 14px;
      line-height: 1.9;
      color: var(--color-text-secondary);
    }

    .faq-item.active .faq-answer {
      display: block;
      border-left: 2px solid var(--color-accent);
      margin-left: 24px;
      padding-left: 20px;
    }

    /* Editor Note */
    .editor-note .note-content {
      background: var(--color-bg-alt);
      border-left: 3px solid var(--color-accent);
      padding: 32px 28px;
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      font-size: 15px;
      line-height: 2;
      color: var(--color-text-secondary);
    }

    /* CTA */
    .cta-section {
      background-color: var(--color-primary);
      color: #FFFFFF;
      text-align: center;
      padding: 64px 0;
    }

    .cta-section h2 {
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .cta-section p {
      font-size: 15px;
      color: #C8C4BC;
      max-width: 600px;
      margin: 0 auto 28px;
    }

    .btn {
      display: inline-block;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      letter-spacing: 0.05em;
      border: 1px solid transparent;
      transition: all var(--transition-base);
      cursor: pointer;
    }

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

    .btn-gold:hover {
      background-color: transparent;
      color: var(--color-accent);
    }

    /* Footer */
    .site-footer {
      background-color: var(--color-primary);
      color: #E8E4DE;
      padding: 48px 0 0;
      border-top: 1px solid rgba(198, 161, 91, 0.2);
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 40px;
    }

    .footer-brand .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: #C8C4BC;
    }

    .footer-links h4,
    .footer-subscribe h4 {
      color: #FFFFFF;
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 16px;
      letter-spacing: 0.04em;
    }

    .footer-links a {
      display: block;
      color: #C8C4BC;
      font-size: 14px;
      margin-bottom: 10px;
      transition: color var(--transition-fast);
    }

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

    .footer-subscribe p {
      font-size: 14px;
      line-height: 1.8;
      color: #C8C4BC;
      margin-bottom: 16px;
    }

    .subscribe-form {
      display: flex;
      gap: 8px;
    }

    .subscribe-form input {
      flex: 1;
      padding: 10px 14px;
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: var(--radius-sm);
      background: transparent;
      color: #FFFFFF;
      font-size: 14px;
    }

    .subscribe-form input::placeholder {
      color: #8A8A8A;
    }

    .subscribe-form input:focus {
      border-color: var(--color-accent);
    }

    .subscribe-form .btn {
      white-space: nowrap;
      padding: 10px 20px;
      border-radius: var(--radius-sm);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      padding: 20px 0;
      border-top: 1px solid rgba(255,255,255,0.08);
    }

    .footer-legal {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      font-size: 12px;
      color: #8A8A8A;
    }

    .footer-legal a {
      color: #8A8A8A;
      transition: color var(--transition-fast);
    }

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

    /* Responsive */
    @media (max-width: 1023px) {
      .insights-list .cards-grid,
      .key-points .points-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .topic-spotlight .topics-grid {
        grid-template-columns: 1fr;
      }
      .category-hero .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
      }
      .category-hero-image {
        flex: 0 0 auto;
        width: 100%;
        height: 200px;
      }
    }

    @media (max-width: 767px) {
      .navbar-links {
        display: none;
      }
      .navbar-subscribe {
        display: none;
      }
      .hamburger {
        display: flex;
      }
      .mobile-menu {
        display: flex;
      }
      .section {
        padding: var(--section-padding-mobile);
      }
      .container {
        padding: 0 16px;
      }
      .insights-list .cards-grid,
      .key-points .points-grid {
        grid-template-columns: 1fr;
      }
      .header-inner {
        padding: 0 16px;
      }
      .category-hero-text h1 {
        font-size: 28px;
      }
      .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
    }

    @media (max-width: 520px) {
      .category-hero {
        padding: 40px 0;
      }
      .category-hero-text h1 {
        font-size: 24px;
      }
      .category-hero-image {
        height: 160px;
      }
      .section-header h2 {
        font-size: 24px;
      }
      .insight-card-title {
        font-size: 16px;
      }
      .topic-card-title {
        font-size: 18px;
      }
    }

/* roulang page: category4 */
:root {
            --color-primary: #1A1A1A;
            --color-primary-light: #2A2A2A;
            --color-accent: #C6A15B;
            --color-accent-soft: #E8D9BC;
            --color-bg: #FAF7F2;
            --color-bg-alt: #F7F3ED;
            --color-text: #1A1A1A;
            --color-text-secondary: #5C5C5C;
            --color-text-muted: #8A8A8A;
            --color-white: #FFFFFF;
            --color-border: #E5DED4;
            --color-border-gold: #D4BC8A;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-xs: 0 1px 4px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 12px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
            --font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --header-height: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-family);
            font-size: inherit;
            color: inherit;
            border: 0;
            outline: none;
            background: none;
            transition: all var(--transition-fast);
        }
        button {
            cursor: pointer;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 600;
            line-height: 1.4;
            margin-top: 0;
            color: var(--color-text);
        }
        h1 {
            font-size: 38px;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }
        h2 {
            font-size: 28px;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        h3 {
            font-size: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        p {
            margin-bottom: 0;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-padding);
        }
        .section--alt {
            background-color: var(--color-bg-alt);
        }
        .section--dark {
            background-color: var(--color-primary);
            color: #E8E4DE;
        }
        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }
        .section--dark p {
            color: #C8C4BC;
        }
        .section-header {
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 500;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }
        .section-divider {
            border: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, var(--color-border-gold) 50%, transparent 100%);
            margin: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.03em;
            line-height: 1.4;
            white-space: nowrap;
            transition: all var(--transition-base);
            border: 1px solid transparent;
            text-decoration: none;
            min-width: 140px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #FFFFFF;
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-accent-soft);
            border-color: var(--color-accent);
            color: var(--color-primary);
        }
        .btn-gold {
            background-color: var(--color-accent);
            color: #FFFFFF;
            border-color: var(--color-accent);
        }
        .btn-gold:hover {
            background-color: #B49450;
            border-color: #B49450;
            color: #FFFFFF;
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            min-width: auto;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--color-primary);
            height: var(--header-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(198, 161, 91, 0.2);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0,0,0,0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.06em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .navbar-logo:hover {
            color: var(--color-accent);
        }
        .navbar-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .navbar {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .navbar-links a {
            color: #D8D4CC;
            font-size: 14px;
            letter-spacing: 0.04em;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .navbar-links a:hover {
            color: var(--color-accent);
        }
        .navbar-links a.active {
            color: #FFFFFF;
        }
        .navbar-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 1px;
        }
        .navbar-subscribe {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
            font-size: 13px;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition-base);
        }
        .navbar-subscribe:hover {
            background-color: var(--color-accent);
            color: #FFFFFF;
            border-color: var(--color-accent);
        }
        .navbar-subscribe:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            margin-left: 8px;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: #FFFFFF;
            border-radius: 1px;
            transition: all var(--transition-base);
        }
        .hamburger:hover span {
            background-color: var(--color-accent);
        }
        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background-color: var(--color-primary);
            border-bottom: 1px solid rgba(198, 161, 91, 0.2);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }
        .mobile-menu a {
            color: #D8D4CC;
            font-size: 15px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .mobile-menu a.active {
            color: var(--color-accent);
        }
        .mobile-menu .navbar-subscribe {
            margin-top: 8px;
            justify-content: center;
        }
        .mobile-menu.open {
            display: flex;
        }
        /* Page Hero */
        .page-hero {
            background-color: var(--color-primary);
            padding: 72px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(198,161,91,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .page-hero .page-hero-sub {
            color: #C8C4BC;
            font-size: 16px;
            line-height: 1.9;
            max-width: 720px;
        }
        .page-hero .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .page-hero .breadcrumb-nav a {
            color: #C8C4BC;
        }
        .page-hero .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }
        .page-hero .breadcrumb-nav .sep {
            color: var(--color-accent);
        }
        /* News headline */
        .news-headline-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            margin-bottom: 24px;
        }
        .news-headline-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-gold);
        }
        .news-headline-card .news-headline-img {
            height: 260px;
            overflow: hidden;
            position: relative;
            background-color: var(--color-bg-alt);
        }
        .news-headline-card .news-headline-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-headline-card:hover .news-headline-img img {
            transform: scale(1.03);
        }
        .news-headline-card .news-headline-body {
            padding: 24px 28px;
        }
        .news-headline-card .news-tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .news-tag {
            display: inline-block;
            padding: 3px 10px;
            background-color: var(--color-accent-soft);
            color: var(--color-primary);
            font-size: 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }
        .news-tag--dark {
            background-color: var(--color-primary);
            color: #FFFFFF;
        }
        .news-headline-card h2 {
            font-size: 24px;
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .news-headline-card p {
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .news-meta i {
            color: var(--color-accent);
            margin-right: 4px;
        }
        /* News list */
        .news-list-item {
            display: flex;
            gap: 20px;
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            margin-bottom: 14px;
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .news-list-item:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-sm);
        }
        .news-list-item .news-thumb {
            flex-shrink: 0;
            width: 140px;
            height: 96px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .news-list-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-list-item:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-list-item .news-list-body {
            flex: 1;
            min-width: 0;
        }
        .news-list-item h3 {
            font-size: 17px;
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-list-item .news-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item .news-meta {
            font-size: 12px;
        }
        /* Topic cards */
        .topic-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .topic-card .topic-img {
            height: 180px;
            overflow: hidden;
            position: relative;
            background-color: var(--color-bg-alt);
        }
        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .topic-card:hover .topic-img img {
            transform: scale(1.05);
        }
        .topic-card .topic-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .topic-card h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .topic-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            flex: 1;
        }
        /* Data wall */
        .data-wall {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 8px;
        }
        .data-block {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .data-block:hover {
            border-color: var(--color-border-gold);
            box-shadow: var(--shadow-sm);
        }
        .data-block .data-number {
            font-size: 34px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .data-block .data-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: 6px;
        }
        /* Reading list */
        .reading-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .reading-list-item:last-child {
            border-bottom: none;
        }
        .reading-list-item .reading-index {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-border-gold);
            line-height: 1.2;
            min-width: 44px;
            text-align: left;
        }
        .reading-list-item h3 {
            font-size: 17px;
            margin-bottom: 4px;
        }
        .reading-list-item .reading-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        /* FAQ */
        .faq-accordion .accordion-item {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-header {
            margin-bottom: 0;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--color-text);
            font-size: 16px;
            font-weight: 500;
            padding: 18px 22px;
            letter-spacing: 0.02em;
            width: 100%;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            line-height: 1.5;
            border-radius: 0;
        }
        .faq-accordion .accordion-button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--color-accent);
            transition: transform var(--transition-base);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .faq-accordion .accordion-body {
            padding: 0 22px 18px;
            color: var(--color-text-secondary);
            font-size: 14px;
            line-height: 1.9;
            border-left: 3px solid var(--color-accent);
            margin-left: 22px;
            padding-left: 16px;
        }
        /* Editor note */
        .editor-note {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-left: 4px solid var(--color-accent);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            box-shadow: var(--shadow-xs);
        }
        .editor-note .editor-label {
            font-size: 12px;
            letter-spacing: 0.1em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 500;
        }
        .editor-note p {
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 2.0;
        }
        /* CTA section */
        .cta-panel {
            background: linear-gradient(135deg, var(--color-primary) 0%, #2A2A2A 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #E8E4DE;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            border: 1px solid rgba(198, 161, 91, 0.3);
        }
        .cta-panel h2 {
            color: #FFFFFF;
            margin-bottom: 8px;
            font-size: 26px;
        }
        .cta-panel p {
            color: #C8C4BC;
            font-size: 15px;
            margin-bottom: 0;
        }
        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: #E8E4DE;
            margin-top: auto;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 48px;
            padding: 56px 0 40px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: #B8B4AC;
            line-height: 1.9;
            max-width: 320px;
        }
        .footer-links h4,
        .footer-subscribe h4 {
            color: #FFFFFF;
            font-size: 16px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #B8B4AC;
            font-size: 14px;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-subscribe p {
            font-size: 14px;
            color: #B8B4AC;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .subscribe-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 11px 16px;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(198, 161, 91, 0.3);
            border-radius: var(--radius-sm);
            color: #FFFFFF;
            font-size: 14px;
            letter-spacing: 0.02em;
        }
        .subscribe-form input::placeholder {
            color: #8A8A8A;
        }
        .subscribe-form input:focus {
            border-color: var(--color-accent);
            outline: none;
        }
        .subscribe-form .btn-gold {
            padding: 11px 22px;
            font-size: 14px;
            min-width: auto;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0 24px;
            border-top: 1px solid rgba(198, 161, 91, 0.2);
        }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: #8A8A8A;
            align-items: center;
        }
        .footer-legal a {
            color: #8A8A8A;
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-legal a:hover {
            color: var(--color-accent);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .navbar-links {
                gap: 16px;
            }
            .navbar-links a {
                font-size: 13px;
            }
        }
        @media (max-width: 991px) {
            h1 {
                font-size: 32px;
            }
            h2 {
                font-size: 24px;
            }
            .navbar-links {
                display: none;
            }
            .navbar-subscribe {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 0 32px;
            }
            .data-wall {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .cta-panel {
                padding: 36px 24px;
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 767px) {
            .section {
                padding: var(--section-padding-mobile);
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 22px;
            }
            h3 {
                font-size: 18px;
            }
            body {
                font-size: 14px;
            }
            .page-hero {
                padding: 48px 0 40px;
            }
            .page-hero .page-hero-sub {
                font-size: 14px;
            }
            .news-headline-card .news-headline-body {
                padding: 18px 20px;
            }
            .news-headline-card h2 {
                font-size: 20px;
            }
            .news-list-item {
                flex-direction: column;
                gap: 12px;
                padding: 14px;
            }
            .news-list-item .news-thumb {
                width: 100%;
                height: 160px;
            }
            .data-wall {
                grid-template-columns: 1fr;
            }
            .editor-note {
                padding: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-legal {
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .btn {
                width: 100%;
                min-width: auto;
            }
            .cta-panel h2 {
                font-size: 22px;
            }
            .faq-accordion .accordion-button {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-accordion .accordion-body {
                margin-left: 18px;
                padding: 0 16px 14px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1A1A1A;
            --color-primary-light: #2A2A2A;
            --color-accent: #C6A15B;
            --color-accent-soft: #E8D9BC;
            --color-bg: #FAF7F2;
            --color-bg-alt: #F7F3ED;
            --color-text: #1A1A1A;
            --color-text-secondary: #5C5C5C;
            --color-text-muted: #8A8A8A;
            --color-white: #FFFFFF;
            --color-border: #E5DED4;
            --color-border-gold: #D4BC8A;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-xs: 0 1px 4px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 12px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
            --font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-padding-mobile: 40px 0;
            --header-height: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            box-sizing: border-box;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-text);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-family);
            font-size: inherit;
            color: inherit;
            border: 0;
            outline: none;
            background: none;
            transition: all var(--transition-fast);
            box-sizing: border-box;
        }
        button {
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-padding);
        }
        .section--alt {
            background-color: var(--color-bg-alt);
        }
        .section--dark {
            background-color: var(--color-primary);
            color: #E8E4DE;
        }
        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }
        .section--dark p {
            color: #C8C4BC;
        }
        .section-header {
            max-width: 680px;
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 500;
        }
        .section-header h2 {
            margin-bottom: 12px;
            font-size: 28px;
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }
        .section-header p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }
        .section-divider {
            border: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, var(--color-border-gold) 50%, transparent 100%);
            margin: 0;
        }
        h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 0.03em;
            margin: 0 0 16px 0;
        }
        h2 {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.45;
            letter-spacing: 0.02em;
            margin: 0 0 12px 0;
        }
        h3 {
            font-size: 19px;
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.01em;
            margin: 0 0 8px 0;
        }
        p {
            margin: 0 0 12px 0;
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-secondary);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--color-primary);
            height: var(--header-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(198, 161, 91, 0.2);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0,0,0,0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.06em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .navbar-logo:hover {
            color: var(--color-accent);
        }
        .navbar-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .navbar {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .navbar-links a {
            color: #D8D4CC;
            font-size: 14px;
            letter-spacing: 0.04em;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .navbar-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 1px;
            background-color: var(--color-accent);
            transition: width var(--transition-base);
        }
        .navbar-links a:hover::after,
        .navbar-links a.active::after {
            width: 100%;
        }
        .navbar-links a:hover,
        .navbar-links a.active {
            color: var(--color-accent);
        }
        .navbar-subscribe {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-accent);
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-sm);
            padding: 7px 18px;
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: all var(--transition-base);
        }
        .navbar-subscribe:hover {
            background-color: var(--color-accent);
            color: var(--color-primary);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 28px;
            height: 22px;
            justify-content: center;
            align-items: center;
            background: none;
            border: 0;
            padding: 0;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: #FFFFFF;
            border-radius: 1px;
            transition: all var(--transition-fast);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background-color: var(--color-primary);
            padding: 20px 24px 28px;
            flex-direction: column;
            gap: 6px;
            z-index: 999;
            border-bottom: 1px solid rgba(198, 161, 91, 0.2);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: #D8D4CC;
            font-size: 15px;
            padding: 10px 4px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            letter-spacing: 0.04em;
            transition: color var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-accent);
        }
        .mobile-menu .navbar-subscribe {
            margin-top: 12px;
            align-self: flex-start;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .breadcrumb-sep {
            color: var(--color-border-gold);
            font-size: 11px;
        }
        .breadcrumb .breadcrumb-current {
            color: var(--color-accent);
            font-weight: 500;
        }

        /* Category Hero */
        .category-hero {
            background-color: var(--color-primary);
            background-image: linear-gradient(rgba(26,26,26,0.88), rgba(26,26,26,0.9)), url('/assets/images/fd7f1c453c38c6f9.webp');
            background-size: cover;
            background-position: center;
            color: #FFFFFF;
            padding: 56px 0 48px;
            position: relative;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            color: #FFFFFF;
            font-size: 36px;
            margin-bottom: 10px;
        }
        .category-hero .hero-subtitle {
            color: #D8D4CC;
            font-size: 16px;
            line-height: 1.9;
            max-width: 720px;
            margin-bottom: 0;
        }
        .category-hero .hero-tag {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.14em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 14px;
            font-weight: 500;
        }
        .category-hero .breadcrumb {
            margin-bottom: 20px;
        }
        .category-hero .breadcrumb a,
        .category-hero .breadcrumb span {
            color: #B0ABA2;
        }
        .category-hero .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .category-hero .breadcrumb .breadcrumb-current {
            color: var(--color-accent);
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 8px;
        }
        .card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-gold);
            transform: translateY(-2px);
        }
        .card-image {
            aspect-ratio: 3/2;
            overflow: hidden;
            position: relative;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-image img {
            transform: scale(1.03);
        }
        .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 500;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .card-body p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: auto;
        }
        .card-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--color-accent);
            background-color: rgba(198, 161, 91, 0.08);
            border: 1px solid rgba(198, 161, 91, 0.25);
            border-radius: var(--radius-sm);
            padding: 2px 10px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        /* List Card Variant */
        .list-card-horizontal {
            display: flex;
            gap: 24px;
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            padding: 20px;
            align-items: center;
        }
        .list-card-horizontal:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-gold);
        }
        .list-card-horizontal .card-image {
            width: 200px;
            aspect-ratio: 3/2;
            flex-shrink: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .list-card-horizontal .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .list-card-horizontal .card-body {
            padding: 0;
            flex: 1;
        }
        .list-card-horizontal .card-body h3 {
            font-size: 18px;
            margin-bottom: 6px;
        }
        .list-card-horizontal .card-body p {
            margin-bottom: 8px;
            font-size: 14px;
        }

        /* Dual Col Layout */
        .dual-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }
        .dual-col-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .dual-col-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-gold);
        }
        .dual-col-card .card-image {
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .dual-col-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .dual-col-card:hover .card-image img {
            transform: scale(1.04);
        }
        .dual-col-card .card-body {
            padding: 24px 26px;
        }
        .dual-col-card .card-body h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }
        .dual-col-card .card-body p {
            font-size: 14px;
            margin-bottom: 0;
        }

        /* Data Wall */
        .data-wall {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-item {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
        }
        .data-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-gold);
            transform: translateY(-2px);
        }
        .data-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .data-number .data-unit {
            font-size: 18px;
            font-weight: 500;
            color: var(--color-accent);
            margin-left: 2px;
        }
        .data-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            letter-spacing: 0.03em;
            line-height: 1.6;
        }

        /* FAQ Accordion */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            border-color: var(--color-border-gold);
        }
        .faq-item.open {
            border-left: 3px solid var(--color-accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            background: none;
            border: 0;
            width: 100%;
            text-align: left;
            font-weight: 500;
            font-size: 15px;
            color: var(--color-text);
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 14px;
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* Editor Note / Summary */
        .editor-note {
            max-width: 820px;
            margin: 0 auto;
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-left: 3px solid var(--color-accent);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
        }
        .editor-note h2 {
            font-size: 22px;
            margin-bottom: 12px;
            text-align: left;
        }
        .editor-note p {
            font-size: 15px;
            line-height: 2.0;
            margin-bottom: 0;
        }

        /* CTA Section */
        .cta-section {
            background-color: var(--color-primary);
            padding: 56px 0;
            text-align: center;
        }
        .cta-section .container {
            max-width: 720px;
        }
        .cta-section h2 {
            color: #FFFFFF;
            font-size: 30px;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: #C8C4BC;
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 24px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            letter-spacing: 0.04em;
            padding: 11px 28px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--color-white);
            color: var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-accent);
            color: var(--color-primary);
            transform: translateY(-1px);
        }
        .btn-gold {
            background-color: var(--color-accent);
            color: var(--color-primary);
        }
        .btn-gold:hover {
            background-color: #D4B378;
            color: var(--color-primary);
            transform: translateY(-1px);
        }
        .btn-outline-light {
            background: transparent;
            color: #D8D4CC;
            border: 1px solid rgba(216, 212, 204, 0.5);
        }
        .btn-outline-light:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background-color: rgba(198, 161, 91, 0.08);
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }
        .btn-outline-dark:hover {
            background-color: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
        }

        /* View More Link */
        .view-more-wrap {
            text-align: center;
            margin-top: 28px;
        }
        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-accent);
            letter-spacing: 0.04em;
            border-bottom: 1px solid transparent;
            transition: all var(--transition-fast);
            padding: 2px 0;
        }
        .view-more-link:hover {
            border-bottom-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary);
            color: #D8D4CC;
            padding: 48px 0 28px;
            margin-top: auto;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.3fr;
            gap: 48px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--color-accent);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: #A8A49C;
            margin-bottom: 0;
        }
        .footer-links h4 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: #A8A49C;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-subscribe h4 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }
        .footer-subscribe p {
            font-size: 13px;
            color: #A8A49C;
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 180px;
            padding: 10px 14px;
            border: 1px solid rgba(216, 212, 204, 0.3);
            border-radius: var(--radius-sm);
            background-color: rgba(255,255,255,0.06);
            color: #E8E4DE;
            font-size: 13px;
            letter-spacing: 0.02em;
        }
        .subscribe-form input::placeholder {
            color: #75716A;
        }
        .subscribe-form input:focus {
            border-color: var(--color-accent);
            outline: none;
            background-color: rgba(255,255,255,0.1);
        }
        .subscribe-form .btn-gold {
            padding: 10px 22px;
            font-size: 13px;
            border-radius: var(--radius-sm);
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 500;
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
        }
        .subscribe-form .btn-gold:hover {
            background-color: #D4B378;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(216, 212, 204, 0.12);
            font-size: 12px;
            color: #75716A;
        }
        .footer-legal {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-legal a {
            color: #75716A;
            transition: color var(--transition-fast);
        }
        .footer-legal a:hover {
            color: var(--color-accent);
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-wall {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 767px) {
            .navbar-links {
                display: none;
            }
            .navbar-subscribe {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu .navbar-subscribe {
                display: inline-flex;
            }
            .section {
                padding: var(--section-padding-mobile);
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 24px;
            }
            h3 {
                font-size: 17px;
            }
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .dual-col {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .data-wall {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-number {
                font-size: 28px;
            }
            .list-card-horizontal {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
                padding: 16px;
            }
            .list-card-horizontal .card-image {
                width: 100%;
                aspect-ratio: 16/9;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 13px;
            }
            .navbar-logo {
                font-size: 18px;
            }
            .navbar {
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .data-wall {
                grid-template-columns: 1fr;
            }
            .dual-col-card .card-body {
                padding: 18px 20px;
            }
            .editor-note {
                padding: 20px 22px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

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

        /* Smooth mobile menu transition */
        .mobile-menu {
            animation: mobileMenuFadeIn 0.3s ease;
        }
        @keyframes mobileMenuFadeIn {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}