/* roulang page: index */
:root {
            --color-primary: #2B3A2F;
            --color-primary-dark: #1E2A21;
            --color-primary-light: #3E5044;
            --color-accent: #C8A24B;
            --color-accent-hover: #B8923A;
            --color-emphasis: #8B2E2E;
            --color-bg: #F5F2EC;
            --color-bg-light: #EAE6DE;
            --color-white: #FFFFFF;
            --color-text: #1E1E1E;
            --color-text-secondary: #5A5A5A;
            --color-border: #D5D0C6;
            --color-border-light: #E0DCD3;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-hover: 0 6px 20px rgba(0,0,0,0.10);
            --font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
            --section-padding: 64px 0;
            --section-padding-mobile: 40px 0;
            --transition: all 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        .section-tight {
            padding: 48px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            max-width: 720px;
            line-height: 1.75;
        }

        .section-title.center,
        .section-subtitle.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* Header */
        .site-header {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-desktop ul {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-desktop a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }

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

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

        .nav-toggle {
            display: none;
            font-size: 28px;
            color: var(--color-primary);
            background: none;
            border: none;
            padding: 8px;
            line-height: 1;
        }

        .nav-mobile {
            display: none;
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border);
            padding: 16px 0;
        }

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

        .nav-mobile ul {
            display: flex;
            flex-direction: column;
        }

        .nav-mobile a {
            display: block;
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-bg-light);
            text-decoration: none;
        }

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

        /* Hero */
        .hero {
            position: relative;
            min-height: 620px;
            background-image: url('/assets/images/7ce8e49b3ee0e4b6.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            padding: 80px 0;
            color: #fff;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(43,58,47,0.92) 0%, rgba(43,58,47,0.75) 40%, rgba(43,58,47,0.45) 100%);
        }

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

        .hero-content {
            max-width: 620px;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(200,162,75,0.2);
            border: 1px solid rgba(200,162,75,0.5);
            color: var(--color-accent);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255,255,255,0.9);
            margin-bottom: 32px;
            max-width: 520px;
        }

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

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
            text-align: center;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-secondary {
            background-color: transparent;
            border: 1px solid var(--color-primary);
            color: #fff;
        }

        .btn-secondary:hover {
            background-color: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

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

        .btn-outline-dark:hover {
            background-color: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

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

        /* Ticker */
        .ticker-section {
            background-color: var(--color-primary);
            color: #fff;
            padding: 14px 0;
            overflow: hidden;
        }

        .ticker-inner {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .ticker-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: 0.5px;
        }

        .ticker-track {
            display: flex;
            gap: 24px;
            overflow: hidden;
            flex: 1;
        }

        .ticker-item {
            font-size: 14px;
            color: rgba(255,255,255,0.9);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ticker-item::before {
            content: "";
            width: 4px;
            height: 4px;
            background-color: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
        }

        .category-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            color: var(--color-text);
            display: block;
        }

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

        .category-card-icon {
            width: 48px;
            height: 48px;
            background-color: var(--color-bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
        }

        .category-card:hover .category-card-icon {
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
        }

        .category-card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-primary);
        }

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

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: var(--transition);
            text-decoration: none;
            color: var(--color-text);
            display: block;
        }

        .news-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-accent);
            transform: translateX(4px);
        }

        .news-item-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .news-item-title {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-primary);
        }

        .news-item-summary {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 8px;
        }

        .news-item-date {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        /* Badge */
        .badge {
            display: inline-block;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            background-color: var(--color-bg-light);
            color: var(--color-text-secondary);
            white-space: nowrap;
        }

        .badge-accent {
            background-color: rgba(200,162,75,0.15);
            color: #8a6b26;
        }

        .badge-primary {
            background-color: var(--color-primary);
            color: #fff;
        }

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

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            transition: var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 38px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* Brand intro */
        .brand-intro {
            background-color: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 48px;
        }

        .brand-intro h2 {
            color: var(--color-accent);
            margin-bottom: 24px;
        }

        .brand-intro p {
            color: rgba(255,255,255,0.85);
            margin-bottom: 16px;
            line-height: 1.8;
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .feature-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .feature-card-img {
            height: 220px;
            overflow: hidden;
        }

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

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

        .feature-card-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-primary);
        }

        .feature-card-summary {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* Gear Cards */
        .gear-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .gear-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .gear-card-img {
            height: 160px;
            overflow: hidden;
        }

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

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

        .gear-card-name {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-primary);
        }

        .gear-card-scenario {
            font-size: 12px;
            color: var(--color-accent);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .gear-card-review {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
        }

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

        .training-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
        }

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

        .training-card-title {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .training-list {
            list-style: none;
        }

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

        .training-list li::before {
            content: "→";
            color: var(--color-accent);
            font-weight: 600;
            flex-shrink: 0;
        }

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

        /* Industry List */
        .industry-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .industry-item {
            background-color: var(--color-white);
            border-left: 3px solid var(--color-accent);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            transition: var(--transition);
        }

        .industry-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .industry-item-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .industry-item-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* Venue Grid */
        .venue-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .venue-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .venue-card-img {
            height: 140px;
            overflow: hidden;
        }

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

        .venue-card-body {
            padding: 18px;
        }

        .venue-card-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .venue-card-location {
            font-size: 12px;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

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

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

        .health-item {
            background-color: var(--color-white);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            gap: 20px;
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }

        .health-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .health-item-icon {
            width: 40px;
            height: 40px;
            background-color: var(--color-bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

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

        .health-item-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .health-item-text {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

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

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

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

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

        .faq-icon {
            font-size: 20px;
            color: var(--color-accent);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

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

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            border-top: 1px solid var(--color-bg-light);
            padding-top: 16px;
        }

        /* Community CTA */
        .community-cta {
            background-color: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: center;
            color: #fff;
        }

        .community-cta h2 {
            color: var(--color-accent);
            margin-bottom: 16px;
        }

        .community-cta p {
            color: rgba(255,255,255,0.85);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        /* Bottom CTA */
        .bottom-cta {
            background-color: var(--color-accent);
            padding: 40px 0;
            text-align: center;
        }

        .bottom-cta a {
            color: var(--color-primary-dark);
            font-size: 20px;
            font-weight: 700;
            text-decoration: none;
            transition: var(--transition);
        }

        .bottom-cta a:hover {
            color: var(--color-primary);
            text-decoration: underline;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 24px;
        }

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

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

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

        .footer-nav h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .footer-nav ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-nav a {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 20px;
            font-size: 13px;
            text-align: center;
            color: rgba(255,255,255,0.6);
            line-height: 1.8;
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .gear-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .venue-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .hero {
                min-height: 500px;
                padding: 60px 0;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .section-title {
                font-size: 24px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .gear-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .venue-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .training-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .brand-intro,
            .community-cta {
                padding: 32px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-nav {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: var(--section-padding-mobile);
            }
            .health-item {
                padding: 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                text-align: center;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .gear-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 28px;
            }
            .footer-nav {
                grid-template-columns: 1fr;
            }
            .ticker-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-item {
                padding: 16px;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 15px;
            }
            .faq-answer-inner {
                padding: 0 18px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #2B3A2F;
            --color-primary-dark: #1E2A21;
            --color-primary-light: #3E5044;
            --color-accent: #C8A24B;
            --color-accent-hover: #B8923A;
            --color-emphasis: #8B2E2E;
            --color-bg: #F5F2EC;
            --color-bg-light: #EAE6DE;
            --color-white: #FFFFFF;
            --color-text: #1E1E1E;
            --color-text-secondary: #5A5A5A;
            --color-border: #D5D0C6;
            --color-border-light: #E0DCD3;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-hover: 0 6px 20px rgba(0,0,0,0.10);
            --font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
            --section-padding: 64px 0;
            --section-padding-mobile: 40px 0;
            --transition: all 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-accent-hover);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
            font-size: 16px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-padding);
        }
        .section-alt {
            background-color: var(--color-white);
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            max-width: 720px;
            line-height: 1.75;
        }
        .section-title.center,
        .section-subtitle.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* Header */
        .site-header {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-desktop ul {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-desktop a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-desktop a:hover {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
        }
        .nav-desktop a.active {
            color: var(--color-accent);
            background-color: var(--color-primary);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            font-size: 28px;
            color: var(--color-primary);
            background: none;
            border: none;
            padding: 8px;
            line-height: 1;
        }
        .nav-mobile {
            display: none;
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border);
            padding: 16px 0;
        }
        .nav-mobile.open {
            display: block;
        }
        .nav-mobile ul {
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-mobile a {
            display: block;
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-bg-light);
            text-decoration: none;
            transition: var(--transition);
        }
        .nav-mobile a:hover {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
        }
        .nav-mobile a.active {
            color: var(--color-accent);
            background-color: var(--color-primary);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 14px 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-accent-hover);
        }
        .breadcrumb-nav .separator {
            color: var(--color-border);
        }
        .breadcrumb-nav .current {
            color: var(--color-text);
            font-weight: 500;
        }

        /* Category Hero */
        .category-hero {
            background-color: var(--color-primary);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/115176df6d84cf0e.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: 38px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .category-hero .hero-subtitle {
            font-size: 18px;
            color: rgba(255,255,255,0.85);
            max-width: 680px;
            line-height: 1.7;
        }

        /* Article Card Grid */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .article-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .article-card .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: 0;
        }
        .article-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }
        .article-card:hover .card-image img {
            transform: scale(1.04);
        }
        .article-card .card-body {
            padding: 20px 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-text-secondary);
            background-color: var(--color-bg-light);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .article-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .article-card h3 a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        .article-card h3 a:hover {
            color: var(--color-accent-hover);
        }
        .article-card .card-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .article-card .card-meta {
            font-size: 13px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .article-card .card-meta .dot {
            width: 4px;
            height: 4px;
            background-color: var(--color-border);
            border-radius: 50%;
        }

        /* Description Block */
        .description-block {
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }
        .description-block .desc-text {
            font-size: 16px;
            color: var(--color-text);
            line-height: 1.85;
            margin-bottom: 20px;
        }
        .description-block .desc-text:last-child {
            margin-bottom: 0;
        }

        /* Feature Items */
        .feature-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .feature-list li {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: var(--transition);
        }
        .feature-list li:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }
        .feature-list .feature-icon {
            width: 40px;
            height: 40px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .feature-list .feature-text h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .feature-list .feature-text p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* Topic Tags */
        .topics-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .topic-tag {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
            background-color: var(--color-bg-light);
            border: 1px solid var(--color-border-light);
            border-radius: 20px;
            padding: 8px 18px;
            text-decoration: none;
            transition: var(--transition);
        }
        .topic-tag:hover {
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-color: var(--color-primary);
        }

        /* FAQ */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            background-color: var(--color-bg-light);
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: transform 0.25s ease;
            font-weight: 700;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Subscribe */
        .subscribe-box {
            background-color: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .subscribe-box .subscribe-info h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 8px;
        }
        .subscribe-box .subscribe-info p {
            font-size: 15px;
            color: rgba(255,255,255,0.8);
            margin: 0;
            max-width: 420px;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex: 1;
            min-width: 280px;
            max-width: 480px;
        }
        .subscribe-form input {
            flex: 1;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255,255,255,0.3);
            background-color: rgba(255,255,255,0.12);
            color: var(--color-white);
            font-size: 15px;
            transition: var(--transition);
        }
        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.6);
        }
        .subscribe-form input:focus {
            border-color: var(--color-accent);
            outline: none;
            background-color: rgba(255,255,255,0.18);
        }
        .subscribe-form button {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-white);
        }

        /* More link */
        .more-link-wrapper {
            text-align: center;
            margin-top: 32px;
        }
        .more-link {
            display: inline-block;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            padding: 10px 24px;
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .more-link:hover {
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-color: var(--color-primary);
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255,255,255,0.85);
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 2.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255,255,255,0.7);
            max-width: 340px;
            margin: 0;
        }
        .footer-nav {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .footer-nav h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 14px;
        }
        .footer-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-nav li {
            margin-bottom: 8px;
        }
        .footer-nav a {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-nav a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom p {
            margin: 0;
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-nav {
                grid-template-columns: repeat(3, 1fr);
            }
            .category-hero h1 {
                font-size: 30px;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .section {
                padding: var(--section-padding-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .footer-nav {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .subscribe-box {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                width: 100%;
                max-width: 100%;
                min-width: auto;
                flex-direction: column;
            }
            .subscribe-form button {
                width: 100%;
            }
            .category-hero {
                padding: 48px 0;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-subtitle {
                font-size: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .feature-list li {
                padding: 16px 18px;
                flex-direction: column;
                gap: 12px;
            }
            .topics-grid {
                gap: 8px;
            }
            .topic-tag {
                font-size: 13px;
                padding: 6px 14px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 18px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding-bottom: 16px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #2B3A2F;
            --color-primary-dark: #1E2A21;
            --color-primary-light: #3E5044;
            --color-accent: #C8A24B;
            --color-accent-hover: #B8923A;
            --color-emphasis: #8B2E2E;
            --color-bg: #F5F2EC;
            --color-bg-light: #EAE6DE;
            --color-white: #FFFFFF;
            --color-text: #1E1E1E;
            --color-text-secondary: #5A5A5A;
            --color-border: #D5D0C6;
            --color-border-light: #E0DCD3;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.10);
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --section-padding: 64px 0;
            --section-padding-mobile: 40px 0;
            --transition: all 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        .section-tight {
            padding: 48px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            max-width: 720px;
            line-height: 1.75;
        }

        .section-title.center,
        .section-subtitle.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* Header */
        .site-header {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--color-primary);
            flex-shrink: 0;
        }

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

        .brand-icon {
            width: 36px;
            height: 36px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-desktop ul {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-desktop a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }

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

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

        .nav-toggle {
            display: none;
            font-size: 28px;
            color: var(--color-primary);
            background: none;
            border: none;
            padding: 8px;
            line-height: 1;
        }

        .nav-mobile {
            display: none;
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border);
            padding: 16px 0;
        }

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

        .nav-mobile ul {
            display: flex;
            flex-direction: column;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-mobile a {
            display: block;
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-bg-light);
            text-decoration: none;
            transition: var(--transition);
        }

        .nav-mobile a:hover,
        .nav-mobile a.active {
            color: var(--color-accent);
            background-color: var(--color-primary);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }

        .breadcrumb span {
            color: var(--color-text-secondary);
        }

        .breadcrumb .separator {
            color: var(--color-border);
            user-select: none;
        }

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

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

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

        /* Page Header / H1 Area */
        .page-header {
            background-color: var(--color-primary);
            padding: 80px 0 72px;
            position: relative;
            overflow: hidden;
        }

        .page-header::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 100%;
            background: linear-gradient(135deg, transparent 60%, rgba(200, 162, 75, 0.12) 100%);
            pointer-events: none;
        }

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

        .page-header h1 {
            font-size: 40px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .page-header .page-header-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            line-height: 1.7;
        }

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

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

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

        .card-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            position: relative;
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.3s ease;
        }

        .card-item:hover .card-image img {
            transform: scale(1.03);
        }

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

        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .card-excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-primary);
            background-color: var(--color-bg-light);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.3px;
        }

        .card-date {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        /* Industry Description Section */
        .industry-desc {
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .industry-desc .desc-content {
            max-width: 860px;
        }

        .industry-desc .desc-content p {
            font-size: 16px;
            color: var(--color-text);
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .industry-desc .desc-content p:last-child {
            margin-bottom: 0;
        }

        /* Feature List */
        .feature-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 12px;
        }

        .feature-item {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: var(--transition);
        }

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

        .feature-icon {
            width: 32px;
            height: 32px;
            background-color: var(--color-bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--color-accent-hover);
            flex-shrink: 0;
            font-weight: 700;
        }

        .feature-text h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

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

        /* View More Button */
        .view-more-wrapper {
            text-align: center;
            padding: 12px 0 8px;
        }

        .btn-primary-custom {
            display: inline-block;
            padding: 14px 36px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary-dark);
            background-color: var(--color-accent);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition);
            letter-spacing: 0.5px;
            border: 1px solid var(--color-accent);
        }

        .btn-primary-custom:hover {
            background-color: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(200, 162, 75, 0.3);
        }

        /* Related Topics */
        .related-topics .topics-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .topic-badge {
            display: inline-block;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 50px;
            cursor: default;
            transition: var(--transition);
        }

        .topic-badge:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
            background-color: var(--color-bg);
        }

        /* FAQ Accordion */
        .faq-section {
            background-color: var(--color-white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            line-height: 1.5;
            gap: 12px;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-accent-hover);
            transition: transform 0.2s ease;
            font-weight: 700;
        }

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

        .faq-answer {
            display: none;
            padding: 0 20px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* Subscribe Section */
        .subscribe-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .subscribe-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border: 1px solid rgba(200, 162, 75, 0.25);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: 120px;
            width: 160px;
            height: 160px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 560px;
            margin: 0 auto;
        }

        .subscribe-content h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .subscribe-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 420px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            padding: 14px 18px;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            outline: none;
            transition: var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.15);
        }

        .subscribe-form button {
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary-dark);
            background-color: var(--color-accent);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid var(--color-accent);
        }

        .subscribe-form button:hover {
            background-color: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            margin-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-nav {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .footer-nav h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 16px;
        }

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

        .footer-nav li {
            margin-bottom: 10px;
        }

        .footer-nav a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            padding: 24px 0 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
        }

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

        /* Responsive */
        @media (max-width: 992px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .page-header {
                padding: 60px 0 52px;
            }

            .page-header h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

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

            .section-tight {
                padding: 36px 0;
            }

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

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

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

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

        @media (max-width: 576px) {
            .cards-grid {
                grid-template-columns: 1fr;
            }

            .page-header {
                padding: 48px 0 40px;
            }

            .page-header h1 {
                font-size: 28px;
            }

            .page-header .page-header-sub {
                font-size: 16px;
            }

            .container {
                padding: 0 16px;
            }

            .footer-nav {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .breadcrumb-wrapper {
                padding: 14px 0;
            }

            .breadcrumb {
                font-size: 13px;
                gap: 6px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #2B3A2F;
            --color-primary-dark: #1E2A21;
            --color-primary-light: #3E5044;
            --color-accent: #C8A24B;
            --color-accent-hover: #B8923A;
            --color-emphasis: #8B2E2E;
            --color-bg: #F5F2EC;
            --color-bg-light: #EAE6DE;
            --color-white: #FFFFFF;
            --color-text: #1E1E1E;
            --color-text-secondary: #5A5A5A;
            --color-border: #D5D0C6;
            --color-border-light: #E0DCD3;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.10);
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --section-padding: 64px 0;
            --section-padding-mobile: 40px 0;
            --transition: all 0.2s ease;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        .section-tight {
            padding: 48px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            max-width: 720px;
            line-height: 1.75;
        }

        .section-title.center,
        .section-subtitle.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* Header */
        .site-header {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-desktop ul {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .nav-desktop a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }

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

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

        .nav-toggle {
            display: none;
            font-size: 28px;
            color: var(--color-primary);
            background: none;
            border: none;
            padding: 8px;
            line-height: 1;
        }

        .nav-mobile {
            display: none;
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border);
            padding: 16px 0;
        }

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

        .nav-mobile ul {
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .nav-mobile a {
            display: block;
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-bg-light);
            text-decoration: none;
            transition: var(--transition);
        }

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

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

        /* Breadcrumb */
        .breadcrumb-bar {
            background-color: var(--color-bg-light);
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }

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

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

        .breadcrumb-bar .separator {
            color: var(--color-border);
            user-select: none;
        }

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

        /* Category Hero */
        .category-hero {
            background-color: var(--color-primary);
            padding: 56px 0;
            margin-bottom: 0;
        }

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

        .category-hero-content {
            flex: 1;
        }

        .category-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-white);
            margin-bottom: 16px;
        }

        .category-hero .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.75;
            max-width: 580px;
            margin-bottom: 0;
        }

        .category-hero-image {
            flex-shrink: 0;
            width: 300px;
            height: 220px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid var(--color-accent);
            box-shadow: var(--shadow-hover);
        }

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

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

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

        .article-card-image {
            width: 100%;
            height: 180px;
            overflow: hidden;
        }

        .article-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: var(--transition);
        }

        .article-card:hover .article-card-image img {
            transform: scale(1.04);
        }

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

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

        .badge-tag {
            display: inline-block;
            background-color: var(--color-bg-light);
            color: var(--color-text-secondary);
            font-size: 13px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.3px;
        }

        .article-card-date {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

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

        .article-card h3 a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }

        .article-card h3 a:hover {
            color: var(--color-accent-hover);
        }

        .article-card p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Description Section */
        .category-description {
            background-color: var(--color-bg-light);
            padding: var(--section-padding);
        }

        .category-description .desc-text {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            margin-bottom: 18px;
        }

        .category-description .desc-text:last-child {
            margin-bottom: 0;
        }

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

        .feature-item {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: var(--transition);
        }

        .feature-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }

        .feature-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

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

        /* Related Topics */
        .related-topics {
            background-color: var(--color-bg);
            padding: var(--section-padding);
        }

        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .topic-tag {
            display: inline-block;
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 20px;
            border-radius: 24px;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .topic-tag:hover {
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

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

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            background-color: var(--color-bg);
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }

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

        .faq-icon {
            font-size: 22px;
            flex-shrink: 0;
            color: var(--color-accent);
            transition: var(--transition);
            font-weight: 700;
            transform: rotate(0deg);
        }

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

        .faq-answer {
            display: none;
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* Subscribe */
        .subscribe-section {
            background-color: var(--color-primary);
            padding: 56px 0;
        }

        .subscribe-section .container {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .subscribe-text {
            flex: 1;
            min-width: 280px;
        }

        .subscribe-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
        }

        .subscribe-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .subscribe-form {
            flex-shrink: 0;
            display: flex;
            gap: 12px;
            min-width: 320px;
            align-items: stretch;
        }

        .subscribe-form input {
            flex: 1;
            padding: 12px 18px;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            background-color: rgba(255, 255, 255, 0.95);
            color: var(--color-text);
            transition: var(--transition);
            min-width: 200px;
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(200, 162, 75, 0.3);
        }

        .btn-accent {
            display: inline-block;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }

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

        /* Footer */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0;
            max-width: 380px;
        }

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

        .footer-nav h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 14px;
        }

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

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

        .footer-nav a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-bottom p {
            margin-bottom: 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .view-more {
            text-align: center;
            margin-top: 28px;
        }

        .view-more a {
            display: inline-block;
            background-color: transparent;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 10px 26px;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 992px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

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

            .category-hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }

            .category-hero-image {
                width: 100%;
                height: 220px;
            }

            .subscribe-section .container {
                flex-direction: column;
                align-items: stretch;
            }

            .subscribe-form {
                min-width: 0;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .header-inner {
                height: 60px;
            }

            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 16px;
            }

            .brand-name {
                font-size: 18px;
            }

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

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

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

            .category-hero {
                padding: 40px 0;
            }

            .footer-nav {
                grid-template-columns: 1fr;
            }

            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }

            .subscribe-form input {
                min-width: 0;
                width: 100%;
            }

            .btn-accent {
                width: 100%;
                text-align: center;
            }

            .article-card-image {
                height: 160px;
            }
        }

        @media (max-width: 576px) {
            .section {
                padding: var(--section-padding-mobile);
            }

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

            .category-hero h1 {
                font-size: 26px;
            }

            .category-hero-image {
                height: 180px;
            }

            .container {
                padding: 0 16px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #2B3A2F;
            --color-primary-dark: #1E2A21;
            --color-primary-light: #3E5044;
            --color-accent: #C8A24B;
            --color-accent-hover: #B8923A;
            --color-emphasis: #8B2E2E;
            --color-bg: #F5F2EC;
            --color-bg-light: #EAE6DE;
            --color-white: #FFFFFF;
            --color-text: #1E1E1E;
            --color-text-secondary: #5A5A5A;
            --color-border: #D5D0C6;
            --color-border-light: #E0DCD3;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-hover: 0 6px 20px rgba(0,0,0,0.10);
            --font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
            --section-padding: 64px 0;
            --section-padding-mobile: 40px 0;
            --transition: all 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-accent-hover);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input, textarea {
            font-family: inherit;
            font-size: 16px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-padding);
        }
        .section-alt {
            background-color: var(--color-white);
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            max-width: 720px;
            line-height: 1.75;
        }
        .section-title.center,
        .section-subtitle.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .site-header {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-desktop ul {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-desktop a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-desktop a:hover {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
        }
        .nav-desktop a.active {
            color: var(--color-accent);
            background-color: var(--color-primary);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            font-size: 28px;
            color: var(--color-primary);
            background: none;
            border: none;
            padding: 8px;
            line-height: 1;
        }
        .nav-mobile {
            display: none;
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border);
            padding: 16px 0;
        }
        .nav-mobile.open {
            display: block;
        }
        .nav-mobile ul {
            display: flex;
            flex-direction: column;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-mobile a {
            display: block;
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-bg-light);
            text-decoration: none;
            transition: var(--transition);
        }
        .nav-mobile a:hover {
            background-color: var(--color-bg-light);
            color: var(--color-primary);
        }
        .nav-mobile a.active {
            color: var(--color-accent);
            background-color: var(--color-primary);
            font-weight: 600;
        }
        .breadcrumb-bar {
            background-color: var(--color-bg-light);
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .breadcrumb-nav {
            font-size: 14px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb-nav a {
            color: var(--color-primary);
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb-nav a:hover {
            color: var(--color-accent-hover);
        }
        .breadcrumb-nav .separator {
            color: var(--color-border);
            font-size: 12px;
        }
        .breadcrumb-nav .current {
            color: var(--color-text-secondary);
        }
        .category-hero {
            background-color: var(--color-primary);
            padding: 64px 0 56px;
            color: var(--color-white);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-image: url('/assets/images/7ce8e49b3ee0e4b6.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero .section-label {
            color: var(--color-accent);
            font-size: 14px;
            margin-bottom: 10px;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 12px;
            color: var(--color-white);
        }
        .category-hero .hero-subtitle {
            font-size: 18px;
            color: rgba(255,255,255,0.85);
            max-width: 560px;
            line-height: 1.6;
            margin: 0;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
        }
        .article-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            text-decoration: none;
            color: var(--color-text);
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            color: var(--color-text);
        }
        .article-card .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .article-card .card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .article-card .card-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .article-card .badge-tag {
            display: inline-block;
            background-color: var(--color-bg-light);
            color: var(--color-text-secondary);
            font-size: 13px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
        }
        .article-card .card-date {
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .article-card .card-title {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-primary);
            margin: 0 0 10px;
        }
        .article-card .card-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex-grow: 1;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .card-link-text {
            display: inline-block;
            margin-top: 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-accent);
        }
        .article-card:hover .card-link-text {
            color: var(--color-accent-hover);
        }
        .content-description-section {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-sm);
        }
        .content-description-section .section-title {
            font-size: 24px;
            margin-bottom: 24px;
        }
        .content-description-section p {
            font-size: 16px;
            color: var(--color-text);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .content-description-section p:last-child {
            margin-bottom: 0;
        }
        .feature-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-size: 16px;
            color: var(--color-text);
            line-height: 1.7;
        }
        .feature-list .feature-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            margin-top: 2px;
        }
        .topic-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .topic-tag-list a {
            display: inline-block;
            padding: 10px 20px;
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        .topic-tag-list a:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
            background-color: var(--color-bg-light);
        }
        .faq-section {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-item .faq-question-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            gap: 16px;
            text-align: left;
            width: 100%;
            background: none;
            border: none;
        }
        .faq-item .faq-question {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.5;
            margin: 0;
        }
        .faq-item .faq-icon {
            font-size: 18px;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: var(--transition);
            font-weight: 700;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            display: none;
            padding: 4px 20px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .subscribe-card {
            background-color: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: var(--color-white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .subscribe-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background-color: rgba(255,255,255,0.05);
            pointer-events: none;
        }
        .subscribe-card .subscribe-title {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-white);
        }
        .subscribe-card .subscribe-subtitle {
            font-size: 15px;
            color: rgba(255,255,255,0.8);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        .subscribe-form {
            display: flex;
            justify-content: center;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex-grow: 1;
            min-width: 240px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.3);
            background-color: rgba(255,255,255,0.95);
            color: var(--color-text);
            font-size: 15px;
        }
        .subscribe-form input:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 1px;
            border-color: transparent;
        }
        .subscribe-form .btn-primary {
            flex-shrink: 0;
            padding: 12px 24px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
        }
        .subscribe-form .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary);
        }
        .btn-outline {
            display: inline-block;
            padding: 10px 22px;
            background-color: transparent;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-outline:hover {
            background-color: var(--color-primary);
            color: var(--color-white);
        }
        .text-center {
            text-align: center;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255,255,255,0.8);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255,255,255,0.75);
            max-width: 320px;
            margin: 0;
        }
        .footer-nav {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .footer-nav h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-nav a {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-nav a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-bottom p {
            margin: 0;
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-nav {
                grid-template-columns: repeat(3, 1fr);
            }
            .category-hero {
                padding: 48px 0;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .footer-nav {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: var(--section-padding-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .content-description-section,
            .faq-section {
                padding: 28px 20px;
            }
            .subscribe-card {
                padding: 36px 24px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-subtitle {
                font-size: 16px;
            }
        }
        @media (max-width: 520px) {
            .footer-nav {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .container {
                padding: 0 16px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .subscribe-form .btn-primary {
                width: 100%;
            }
            .topic-tag-list a {
                padding: 8px 16px;
                font-size: 14px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #2B3A2F;
            --color-primary-dark: #1E2A21;
            --color-primary-light: #3E5044;
            --color-accent: #C8A24B;
            --color-accent-hover: #B8923A;
            --color-emphasis: #8B2E2E;
            --color-bg: #F5F2EC;
            --color-bg-light: #EAE6DE;
            --color-white: #FFFFFF;
            --color-text: #1E1E1E;
            --color-text-secondary: #5A5A5A;
            --color-border: #D5D0C6;
            --color-border-light: #E0DCD3;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-hover: 0 6px 20px rgba(0,0,0,0.10);
            --font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
            --section-padding: 64px 0;
            --section-padding-mobile: 40px 0;
            --transition: all 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 16px;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        .section-tight {
            padding: 48px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.5px;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            max-width: 720px;
            line-height: 1.75;
        }

        .section-title.center,
        .section-subtitle.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* Header */
        .site-header {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-desktop ul {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-desktop a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }

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

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

        .nav-toggle {
            display: none;
            font-size: 28px;
            color: var(--color-primary);
            background: none;
            border: none;
            padding: 8px;
            line-height: 1;
        }

        .nav-mobile {
            display: none;
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border);
            padding: 16px 0;
        }

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

        .nav-mobile ul {
            display: flex;
            flex-direction: column;
        }

        .nav-mobile a {
            display: block;
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-bg-light);
            text-decoration: none;
            transition: var(--transition);
        }

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

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

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

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-nav .separator {
            color: var(--color-border);
            user-select: none;
        }

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

        /* Page Header */
        .page-header {
            padding: 40px 0 32px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-primary-light) 100%);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin-bottom: 8px;
        }

        .page-header::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background-image: linear-gradient(120deg, transparent 30%, rgba(200,162,75,0.13) 55%, transparent 75%);
            pointer-events: none;
        }

        .page-header-inner {
            position: relative;
            z-index: 1;
        }

        .page-header h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .page-header .subtitle {
            font-size: 17px;
            color: rgba(255,255,255,0.85);
            max-width: 680px;
            line-height: 1.75;
        }

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

        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            text-decoration: none;
            color: var(--color-text);
        }

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

        .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: var(--color-bg-light);
            flex-shrink: 0;
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

        .card:hover .card-img img {
            transform: scale(1.04);
        }

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

        .card-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-accent);
            background-color: var(--color-bg-light);
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .card-text {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-secondary);
            border-top: 1px solid var(--color-border-light);
            padding-top: 14px;
            margin-top: auto;
        }

        .card-meta .date {
            color: var(--color-text-secondary);
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition);
            margin-left: auto;
            white-space: nowrap;
        }

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            line-height: 1.5;
        }

        .btn-primary {
            background-color: var(--color-accent);
            color: #fff;
        }

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

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

        .btn-secondary:hover {
            background-color: var(--color-primary);
            color: var(--color-white);
        }

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

        /* Description area */
        .desc-area {
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 32px 32px 28px;
            box-shadow: var(--shadow-sm);
        }

        .desc-area h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 20px;
            line-height: 1.35;
        }

        .desc-area p {
            font-size: 16px;
            color: var(--color-text);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .desc-area p:last-child {
            margin-bottom: 0;
        }

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

        .feature-item {
            background-color: var(--color-white);
            border-left: 4px solid var(--color-accent);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .feature-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .feature-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .feature-item p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 10px 20px;
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .tag-cloud a:hover {
            background-color: var(--color-primary);
            color: var(--color-accent);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        /* FAQ */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            line-height: 1.5;
        }

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            display: none;
            padding: 0 20px 20px;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* Subscribe section */
        .subscribe-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: var(--color-white);
            position: relative;
            overflow: hidden;
        }

        .subscribe-section::after {
            content: "";
            position: absolute;
            top: -50%;
            right: -10%;
            width: 50%;
            height: 200%;
            background: radial-gradient(circle, rgba(200,162,75,0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-inner {
            position: relative;
            z-index: 1;
        }

        .subscribe-section h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-white);
        }

        .subscribe-section p {
            font-size: 15px;
            color: rgba(255,255,255,0.8);
            margin-bottom: 24px;
            max-width: 560px;
            line-height: 1.75;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 240px;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255,255,255,0.3);
            background-color: rgba(255,255,255,0.1);
            color: var(--color-white);
            font-size: 15px;
            transition: var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.6);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--color-accent);
            background-color: rgba(255,255,255,0.15);
            box-shadow: 0 0 0 3px rgba(200,162,75,0.25);
        }

        .subscribe-form .btn {
            background-color: var(--color-accent);
            color: var(--color-white);
            border: none;
            padding: 12px 28px;
            white-space: nowrap;
        }

        .subscribe-form .btn:hover {
            background-color: var(--color-accent-hover);
            transform: translateY(-1px);
        }

        .subscribe-success {
            display: none;
            font-size: 15px;
            color: var(--color-accent);
            font-weight: 600;
            margin-top: 16px;
        }

        .subscribe-success.show {
            display: block;
        }

        /* View more */
        .view-more {
            text-align: center;
            margin-top: 32px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255,255,255,0.85);
            padding: 56px 0 0;
            border-top: 4px solid var(--color-accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 2fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .footer-brand h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-accent);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            line-height: 1.75;
            max-width: 360px;
        }

        .footer-nav {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .footer-nav h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
        }

        .footer-nav ul li {
            margin-bottom: 10px;
        }

        .footer-nav a {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.5);
            line-height: 1.8;
        }

        .footer-bottom p {
            margin-bottom: 4px;
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 992px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-nav {
                grid-template-columns: repeat(3, 1fr);
            }
            .page-header h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .footer-nav {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .page-header .subtitle {
                font-size: 15px;
            }
            .subscribe-section {
                padding: 32px 20px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
                min-width: auto;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: var(--section-padding-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .card-body {
                padding: 16px;
            }
            .card-title {
                font-size: 16px;
            }
            .desc-area {
                padding: 20px 16px;
            }
            .desc-area h2 {
                font-size: 20px;
            }
            .footer-nav {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                font-size: 12px;
                padding: 16px 12px;
            }
            .page-header {
                padding: 28px 0 24px;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .page-header h1 {
                font-size: 26px;
            }
            .feature-item {
                padding: 16px 18px;
            }
        }

/* 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}