/* roulang page: index */
:root {
            --color-primary: #1E1A17;
            --color-accent: #E2A63D;
            --color-accent-hover: #8C5A2B;
            --color-bg-light: #F7F2EA;
            --color-text-dark: #1E1A17;
            --color-text-light: #F7F2EA;
            --color-text-muted: #8A8177;
            --color-border-light: rgba(30,26,23,0.12);
            --color-border-dark: rgba(247,242,234,0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 12px rgba(30,26,23,0.06);
            --shadow-card-hover: 0 6px 24px rgba(30,26,23,0.12);
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 48px 0;
            --nav-height-desktop: 76px;
            --nav-height-mobile: 62px;
            --transition-base: all 0.25s 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: 1.7;
            color: var(--color-text-dark);
            background-color: var(--color-bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: 1.5;
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 0 var(--color-border-dark);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-desktop);
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.5px;
            color: var(--color-text-light);
            white-space: nowrap;
        }

        .site-logo .logo-num {
            color: var(--color-accent);
            font-size: 1.5rem;
            font-weight: 800;
        }

        .site-logo .logo-text {
            display: flex;
            align-items: center;
        }

        .site-logo .logo-text span {
            display: inline-block;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .main-nav li {
            list-style: none;
        }

        .main-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(247,242,234,0.82);
            position: relative;
            white-space: nowrap;
            border-radius: 4px;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 2px 2px 0 0;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.25s ease;
        }

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

        .main-nav a:hover::after {
            transform: scaleX(1);
        }

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

        .main-nav a.active::after {
            transform: scaleX(1);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
        }

        .nav-toggle:hover {
            background: rgba(247,242,234,0.1);
        }

        .nav-toggle .bar {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text-light);
            margin: 5px 0;
            transition: var(--transition-base);
        }

        .nav-toggle .bar:first-child {
            margin-top: 0;
        }

        .nav-toggle .bar:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 767px) {
            .site-header .container {
                height: var(--nav-height-mobile);
            }

            .nav-toggle {
                display: block;
                z-index: 1002;
            }

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

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

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

            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                left: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 10px;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 1001;
                padding: 80px 24px 40px;
            }

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

            .main-nav a {
                font-size: 1.2rem;
                padding: 14px 20px;
                text-align: center;
                width: 100%;
                max-width: 320px;
                border-radius: 8px;
            }

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

            .main-nav a:hover {
                background: rgba(247,242,234,0.08);
            }

            .main-nav a.active {
                background: rgba(226,166,61,0.15);
            }
        }

        @media (max-width: 1023px) and (min-width: 768px) {
            .site-header .container {
                height: var(--nav-height-desktop);
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 0.88rem;
            }
            .main-nav a::after {
                left: 10px;
                right: 10px;
            }
        }

        /* ===== HERO ===== */
        .hero {
            background-color: var(--color-primary);
            position: relative;
            overflow: hidden;
            padding: 60px 0 80px;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(30,26,23,0.92) 0%, rgba(30,26,23,0.65) 50%, rgba(30,26,23,0.4) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 44% 56%;
            gap: 40px;
            align-items: center;
        }

        .hero-content {
            padding-right: 20px;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(226,166,61,0.15);
            border: 1px solid rgba(226,166,61,0.4);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--color-accent);
            letter-spacing: 0.3px;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-text-light);
            letter-spacing: -0.5px;
            margin-bottom: 18px;
        }

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

        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            color: rgba(247,242,234,0.82);
            max-width: 420px;
            margin-bottom: 28px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition-base);
            border: 2px solid transparent;
            letter-spacing: 0.3px;
        }

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

        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-text-light);
            box-shadow: 0 4px 16px rgba(226,166,61,0.3);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-text-light);
            border-color: rgba(247,242,234,0.35);
        }

        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16/9;
            background-color: rgba(247,242,234,0.05);
            box-shadow: 0 8px 32px rgba(0,0,0,0.3);
        }

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

        .hero-visual::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(30,26,23,0.75) 0%, transparent 100%);
            pointer-events: none;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

        .hero-visual .hero-caption {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            z-index: 3;
            color: var(--color-text-light);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.4rem;
            }
            .hero .container {
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .hero {
                padding: 40px 0 60px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-content {
                padding-right: 0;
                text-align: center;
            }
            .hero h1 {
                font-size: 2rem;
                letter-spacing: -0.3px;
            }
            .hero-subtitle {
                max-width: 100%;
                font-size: 1rem;
                margin-bottom: 22px;
            }
            .hero-actions {
                justify-content: center;
                gap: 10px;
            }
            .hero-badge-row {
                justify-content: center;
            }
            .hero-visual {
                aspect-ratio: 16/9;
            }
            .btn {
                min-height: 40px;
                padding: 0 18px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.75rem;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }

        /* ===== SECTIONS ===== */
        .section {
            padding: var(--section-pad-desktop);
        }

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

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

        .section-muted {
            background-color: #EDE7DC;
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text-dark);
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }

        .section-dark .section-title {
            color: var(--color-text-light);
        }

        .section-subtitle {
            font-size: 0.98rem;
            line-height: 1.7;
            color: var(--color-text-muted);
            max-width: 560px;
            margin-bottom: 36px;
        }

        .section-dark .section-subtitle {
            color: rgba(247,242,234,0.65);
        }

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

        .section-header-centered {
            text-align: center;
        }

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

        /* ===== CARD GRID ===== */
        .card-grid {
            display: grid;
            gap: 20px;
        }

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

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

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

        .card {
            background-color: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(226,166,61,0.35);
        }

        .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: #EDE7DC;
            position: relative;
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

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

        .card-image .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-block;
            padding: 5px 12px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.3px;
            z-index: 2;
        }

        .card-body {
            padding: 20px;
        }

        .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text-dark);
            margin-bottom: 8px;
        }

        .card-desc {
            font-size: 0.9rem;
            line-height: 1.65;
            color: var(--color-text-muted);
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-accent-hover);
            margin-top: 6px;
            transition: var(--transition-base);
        }

        .card-link:hover {
            color: var(--color-accent);
            gap: 10px;
        }

        /* Category entry cards */
        .category-entry-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background-color: #FFFFFF;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            min-height: 240px;
            display: flex;
            flex-direction: column;
        }

        .category-entry-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(226,166,61,0.4);
        }

        .category-entry-card .card-image {
            aspect-ratio: 16/9;
        }

        .category-entry-card .card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .category-entry-card .entry-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent-hover);
        }

        .category-entry-card:hover .entry-arrow {
            color: var(--color-accent);
        }

        /* Horizontal content list */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .content-list-item {
            display: flex;
            gap: 16px;
            padding: 16px 18px;
            background-color: #FFFFFF;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
            align-items: center;
        }

        .content-list-item:hover {
            border-color: rgba(226,166,61,0.4);
            box-shadow: var(--shadow-card);
        }

        .content-list-item .thumb {
            width: 100px;
            height: 64px;
            border-radius: 6px;
            overflow: hidden;
            flex-shrink: 0;
            background-color: #EDE7DC;
        }

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

        .content-list-item .info {
            flex: 1;
            min-width: 0;
        }

        .content-list-item .info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text-dark);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .content-list-item .info p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-list-item .time {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            background: rgba(255,255,255,0.6);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border-light);
        }

        @media (max-width: 1024px) {
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .card-grid-3,
            .card-grid-4,
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
            .content-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .content-list-item .thumb {
                width: 100%;
                height: 140px;
            }
            .content-list-item .time {
                white-space: normal;
            }
            .section-title {
                font-size: 1.55rem;
            }
        }

        /* ===== DATA STATS ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            padding: 12px 8px;
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .stat-label {
            font-size: 0.92rem;
            color: rgba(247,242,234,0.7);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        /* ===== FEATURE / ADVANTAGE ===== */
        .feature-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius-md);
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
        }

        .feature-item:hover {
            border-color: rgba(226,166,61,0.4);
            box-shadow: var(--shadow-card);
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(226,166,61,0.15);
            margin-bottom: 14px;
            font-size: 1.6rem;
        }

        .feature-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-text-dark);
        }

        .feature-item p {
            font-size: 0.88rem;
            line-height: 1.6;
            color: var(--color-text-muted);
        }

        @media (max-width: 768px) {
            .feature-item {
                padding: 18px 12px;
            }
        }

        /* ===== PROCESS STEPS ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-step {
            background: rgba(247,242,234,0.05);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: var(--transition-base);
        }

        .process-step:hover {
            border-color: rgba(226,166,61,0.5);
            background: rgba(247,242,234,0.08);
        }

        .process-step .step-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 12px;
        }

        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.85rem;
            line-height: 1.6;
            color: rgba(247,242,234,0.65);
        }

        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .process-step {
                padding: 16px 14px;
            }
            .process-step .step-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 480px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CASE CARDS ===== */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .case-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

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

        .case-card .card-image {
            aspect-ratio: 16/9;
        }

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

        .case-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .case-card .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin: 8px 0;
        }

        .case-card .case-tags span {
            font-size: 0.72rem;
            padding: 4px 10px;
            background: rgba(226,166,61,0.12);
            color: var(--color-accent-hover);
            border-radius: 16px;
            font-weight: 500;
        }

        .case-card .case-result {
            font-size: 0.88rem;
            color: var(--color-accent-hover);
            font-weight: 600;
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .case-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== TEAM ===== */
        .team-card {
            text-align: center;
            padding: 24px 16px;
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
        }

        .team-card:hover {
            box-shadow: var(--shadow-card);
            border-color: rgba(226,166,61,0.35);
        }

        .team-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: #EDE7DC;
            margin: 0 auto 14px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--color-accent-hover);
        }

        .team-card h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .team-card p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        /* ===== PARTNERS ===== */
        .partner-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }

        .partner-logo {
            width: 140px;
            height: 60px;
            background: #EDE7DC;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
            transition: var(--transition-base);
            border: 1px solid var(--color-border-light);
        }

        .partner-logo:hover {
            background: rgba(226,166,61,0.15);
            border-color: rgba(226,166,61,0.4);
            color: var(--color-accent-hover);
        }

        @media (max-width: 768px) {
            .partner-logo {
                width: 100px;
                height: 48px;
                font-size: 0.72rem;
            }
        }

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

        .testimonial-card {
            background: rgba(247,242,234,0.05);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: var(--transition-base);
        }

        .testimonial-card:hover {
            border-color: rgba(226,166,61,0.4);
            background: rgba(247,242,234,0.08);
        }

        .testimonial-stars {
            color: var(--color-accent);
            font-size: 1.1rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 0.9rem;
            line-height: 1.65;
            color: rgba(247,242,234,0.8);
            margin-bottom: 14px;
        }

        .testimonial-author {
            font-size: 0.82rem;
            color: rgba(247,242,234,0.55);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .faq-item:hover {
            border-color: rgba(226,166,61,0.35);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-dark);
            letter-spacing: 0.2px;
            transition: var(--transition-base);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(226,166,61,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: var(--transition-base);
            color: var(--color-accent-hover);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--color-text-muted);
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            text-align: center;
            padding: 60px 20px;
            background-color: var(--color-primary);
            background-image: linear-gradient(135deg, rgba(30,26,23,0.92) 0%, rgba(50,40,30,0.85) 100%);
            border-radius: 0;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(247,242,234,0.7);
            max-width: 480px;
            margin: 0 auto 28px;
            line-height: 1.65;
        }

        .cta-section .btn {
            font-size: 1rem;
            min-height: 48px;
            padding: 0 32px;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.55rem;
            }
            .cta-section p {
                font-size: 0.92rem;
            }
        }

        /* ===== CONTACT / FORM ===== */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .contact-form {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .contact-form .form-group {
            margin-bottom: 16px;
        }

        .contact-form label {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-text-dark);
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            transition: var(--transition-base);
            background-color: #FAF7F2;
            color: var(--color-text-dark);
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            border-color: var(--color-accent);
            outline: none;
            box-shadow: 0 0 0 2px rgba(226,166,61,0.15);
        }

        .contact-form textarea {
            min-height: 110px;
            resize: vertical;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .contact-info-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.92rem;
            color: var(--color-text-dark);
        }

        .contact-info-item .icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(226,166,61,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.1rem;
        }

        @media (max-width: 768px) {
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .contact-form {
                padding: 20px;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background-color: var(--color-primary);
            padding: 48px 0 24px;
            color: var(--color-text-light);
            border-top: 1px solid var(--color-border-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr 1.5fr;
            gap: 28px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--color-border-dark);
            margin-bottom: 24px;
        }

        .footer-brand .site-logo {
            margin-bottom: 12px;
            font-size: 1.2rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.65;
            color: rgba(247,242,234,0.55);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col a,
        .footer-col p {
            display: block;
            font-size: 0.85rem;
            color: rgba(247,242,234,0.6);
            padding: 4px 0;
            transition: var(--transition-base);
            line-height: 1.6;
        }

        .footer-col a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            font-size: 0.8rem;
            color: rgba(247,242,234,0.4);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 32px 0 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding-bottom: 24px;
                margin-bottom: 18px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== TOPIC CARD (featured topics) ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: rgba(247,242,234,0.05);
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            border-color: rgba(226,166,61,0.5);
            box-shadow: 0 4px 20px rgba(0,0,0,0.25);
            transform: translateY(-3px);
        }

        .topic-card .card-image {
            aspect-ratio: 16/9;
        }

        .topic-card .card-body {
            padding: 18px;
            flex: 1;
        }

        .topic-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: 6px;
        }

        .topic-card p {
            font-size: 0.85rem;
            color: rgba(247,242,234,0.6);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== UTILITY ===== */
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .mb-20 { margin-bottom: 20px; }
        .mb-32 { margin-bottom: 32px; }
        .text-center { text-align: center; }
        .w-full { width: 100%; }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(226,166,61,0.12);
            color: var(--color-accent-hover);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 16px;
            letter-spacing: 0.3px;
            margin-right: 6px;
            margin-bottom: 4px;
        }

        .section-dark .tag {
            background: rgba(226,166,61,0.18);
            color: var(--color-accent);
        }

        .divider {
            height: 1px;
            background: var(--color-border-light);
            margin: 0;
            border: none;
        }

        .section-dark .divider {
            background: var(--color-border-dark);
        }

/* roulang page: article */
:root {
            --color-primary: #1E1A17;
            --color-accent: #E2A63D;
            --color-accent-hover: #8C5A2B;
            --color-bg-light: #F7F2EA;
            --color-text-dark: #1E1A17;
            --color-text-light: #F7F2EA;
            --color-text-muted: #8A8177;
            --color-border-light: rgba(30,26,23,0.12);
            --color-border-dark: rgba(247,242,234,0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 12px rgba(30,26,23,0.06);
            --shadow-card-hover: 0 6px 24px rgba(30,26,23,0.12);
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 48px 0;
            --nav-height-desktop: 76px;
            --nav-height-mobile: 62px;
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text-dark);
            background-color: var(--color-bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: 1.5;
        }
        a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== HEADER / NAV ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 0 var(--color-border-dark);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-desktop);
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.5px;
            color: var(--color-text-light);
            white-space: nowrap;
        }
        .site-logo .logo-num {
            color: var(--color-accent);
            font-size: 1.5rem;
            font-weight: 800;
        }
        .site-logo .logo-text {
            display: flex;
            align-items: center;
        }
        .site-logo .logo-text span {
            display: inline-block;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav li {
            list-style: none;
        }
        .main-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(247,242,234,0.82);
            position: relative;
            white-space: nowrap;
            border-radius: 4px;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 2px 2px 0 0;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.25s ease;
        }
        .main-nav a:hover {
            color: var(--color-accent);
        }
        .main-nav a:hover::after {
            transform: scaleX(1);
        }
        .main-nav a.active {
            color: var(--color-accent);
        }
        .main-nav a.active::after {
            transform: scaleX(1);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
        }
        .nav-toggle:hover {
            background: rgba(247,242,234,0.1);
        }
        .nav-toggle .bar {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text-light);
            margin: 5px 0;
            transition: var(--transition-base);
        }
        .nav-toggle .bar:first-child {
            margin-top: 0;
        }
        .nav-toggle .bar:last-child {
            margin-bottom: 0;
        }
        /* ===== ARTICLE HEADER ===== */
        .article-header-section {
            background-color: var(--color-bg-light);
            padding: 48px 0 36px;
            border-bottom: 1px solid var(--color-border-light);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 24px;
            padding: 0;
            background: transparent;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--color-accent-hover);
        }
        .breadcrumb .separator {
            color: var(--color-text-muted);
            opacity: 0.5;
        }
        .breadcrumb .current {
            color: var(--color-text-dark);
            font-weight: 500;
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }
        .article-meta .badge {
            background-color: rgba(226,166,61,0.15);
            color: var(--color-accent-hover);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid rgba(226,166,61,0.3);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-text {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-text svg {
            width: 16px;
            height: 16px;
            fill: currentColor;
        }
        .article-h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-text-dark);
            letter-spacing: -0.5px;
            margin-bottom: 0;
        }
        /* ===== ARTICLE BODY ===== */
        .article-body-section {
            background-color: var(--color-bg-light);
            padding: 48px 0 64px;
        }
        .article-body-wrapper {
            max-width: 780px;
            margin: 0 auto;
        }
        .article-body {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-dark);
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text-dark);
            margin-top: 36px;
            margin-bottom: 16px;
            padding-left: 12px;
            border-left: 4px solid var(--color-accent);
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            line-height: 1.45;
            color: var(--color-text-dark);
            margin-top: 28px;
            margin-bottom: 12px;
        }
        .article-body p {
            margin-bottom: 18px;
            text-align: justify;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px auto;
            box-shadow: var(--shadow-card);
            max-width: 100%;
        }
        .article-body blockquote {
            background-color: rgba(226,166,61,0.08);
            border-left: 4px solid var(--color-accent);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-dark);
            font-style: normal;
        }
        .article-body blockquote p {
            margin-bottom: 0;
        }
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            color: var(--color-text-muted);
        }
        .article-not-found h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 16px;
        }
        .article-not-found a {
            display: inline-block;
            margin-top: 16px;
            padding: 10px 24px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }
        .article-not-found a:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-text-light);
        }
        /* ===== ARTICLE TAGS ===== */
        .article-tags-section {
            background-color: var(--color-bg-light);
            padding: 0 0 48px;
        }
        .article-tags-wrapper {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border-light);
        }
        .article-tags-wrapper .tags-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text-dark);
            margin-right: 4px;
        }
        .article-tags-wrapper .tag {
            display: inline-block;
            padding: 5px 14px;
            background-color: rgba(30,26,23,0.05);
            border: 1px solid var(--color-border-light);
            border-radius: 20px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            transition: var(--transition-base);
            cursor: default;
        }
        .article-tags-wrapper .tag:hover {
            background-color: rgba(226,166,61,0.12);
            border-color: rgba(226,166,61,0.3);
            color: var(--color-accent-hover);
        }
        /* ===== RELATED ===== */
        .related-section {
            background-color: #FBF8F3;
            padding: 64px 0 80px;
            border-top: 1px solid var(--color-border-light);
        }
        .section-title-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-title-wrap h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: var(--color-text-dark);
            letter-spacing: -0.3px;
            margin: 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(226,166,61,0.3);
        }
        .related-card-image {
            display: block;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: rgba(30,26,23,0.05);
        }
        .related-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .related-card-image img {
            transform: scale(1.04);
        }
        .related-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-body .badge {
            align-self: flex-start;
            background-color: rgba(226,166,61,0.14);
            color: var(--color-accent-hover);
            font-weight: 600;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 16px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .related-card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--color-text-dark);
        }
        .related-card-body h3 a {
            color: inherit;
            transition: var(--transition-base);
        }
        .related-card-body h3 a:hover {
            color: var(--color-accent-hover);
        }
        .related-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }
        .related-card-body time {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            opacity: 0.8;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .related-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--color-text-muted);
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px dashed var(--color-border-light);
        }
        /* ===== COMMENTS ===== */
        .comments-section {
            background-color: var(--color-bg-light);
            padding: 64px 0 80px;
        }
        .comments-wrapper {
            max-width: 780px;
            margin: 0 auto;
        }
        .comments-wrapper h2 {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 32px;
        }
        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 36px;
        }
        .comment-item {
            display: flex;
            gap: 14px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
        }
        .comment-avatar {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .comment-content {
            flex: 1;
        }
        .comment-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
        }
        .comment-header .comment-author {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-dark);
        }
        .comment-header .comment-time {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .comment-content p {
            font-size: 0.92rem;
            color: var(--color-text-dark);
            line-height: 1.65;
            margin: 0;
        }
        .comment-form {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
        }
        .comment-form h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--color-text-dark);
        }
        .comment-form textarea {
            width: 100%;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            margin-bottom: 14px;
            transition: border-color 0.25s ease;
            background: #FDFBF8;
        }
        .comment-form textarea:focus {
            border-color: var(--color-accent);
            outline: none;
            background: #fff;
        }
        .comment-form .btn-submit {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            padding: 12px 28px;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 0.95rem;
        }
        .comment-form .btn-submit:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-text-light);
        }
        /* ===== CTA ===== */
        .cta-section {
            background-color: var(--color-primary);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(26px, 3.5vw, 34px);
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(247,242,234,0.75);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            display: inline-block;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            font-size: 1rem;
        }
        .cta-section .btn-cta:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-text-light);
            transform: translateY(-2px);
        }
        /* ===== CONTACT ===== */
        .contact-section {
            background-color: var(--color-bg-light);
            padding: 64px 0 80px;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: flex-start;
        }
        .contact-info h2 {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 16px;
        }
        .contact-info p {
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .contact-details .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--color-text-dark);
            font-size: 0.95rem;
        }
        .contact-details .contact-item .contact-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: rgba(226,166,61,0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .contact-form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
        }
        .contact-form-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--color-text-dark);
        }
        .contact-form-card .form-group {
            margin-bottom: 16px;
        }
        .contact-form-card .form-group label {
            display: block;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-dark);
            margin-bottom: 6px;
        }
        .contact-form-card .form-group input,
        .contact-form-card .form-group textarea {
            width: 100%;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-size: 0.92rem;
            transition: border-color 0.25s ease;
            background: #FDFBF8;
        }
        .contact-form-card .form-group input:focus,
        .contact-form-card .form-group textarea:focus {
            border-color: var(--color-accent);
            outline: none;
            background: #fff;
        }
        .contact-form-card .form-group textarea {
            resize: vertical;
            min-height: 90px;
        }
        .contact-form-card .btn-submit {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            padding: 12px 32px;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 0.95rem;
            width: 100%;
        }
        .contact-form-card .btn-submit:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-text-light);
        }
        /* ===== FOOTER ===== */
        .site-footer {
            background-color: var(--color-primary);
            padding: 60px 0 24px;
            color: rgba(247,242,234,0.8);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(247,242,234,0.65);
            line-height: 1.7;
            margin: 0;
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 16px;
        }
        .footer-col a, .footer-col p {
            display: block;
            font-size: 0.88rem;
            color: rgba(247,242,234,0.7);
            margin-bottom: 10px;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border-dark);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: rgba(247,242,234,0.45);
            margin: 0;
        }
        /* ===== RESPONSIVE ===== */
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .site-header .container {
                height: var(--nav-height-mobile);
            }
            .nav-toggle {
                display: block;
                z-index: 1002;
            }
            .nav-toggle.open .bar:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }
            .nav-toggle.open .bar:nth-child(2) {
                opacity: 0;
            }
            .nav-toggle.open .bar:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }
            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                left: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 10px;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 1001;
                padding: 80px 32px;
                overflow-y: auto;
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .main-nav a {
                font-size: 1.15rem;
                padding: 14px 24px;
                color: rgba(247,242,234,0.9);
            }
            .main-nav a::after {
                display: none;
            }
            .main-nav a.active {
                color: var(--color-accent);
                background: rgba(226,166,61,0.1);
                border-radius: var(--radius-sm);
            }
            .article-header-section {
                padding: 32px 0 28px;
            }
            .article-h1 {
                font-size: 26px;
            }
            .article-body-section {
                padding: 32px 0 48px;
            }
            .article-body {
                font-size: 15px;
                line-height: 1.8;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
            .related-section,
            .comments-section,
            .contact-section {
                padding: 48px 0 60px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 32px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .comment-item {
                padding: 16px;
            }
            .comment-avatar {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
            .article-tags-wrapper {
                padding-top: 16px;
            }
        }
        @media (max-width: 479px) {
            .article-h1 {
                font-size: 22px;
            }
            .article-meta {
                gap: 10px;
            }
            .article-meta .badge {
                font-size: 0.75rem;
                padding: 4px 10px;
            }
            .article-meta .meta-text {
                font-size: 0.8rem;
            }
            .article-body {
                font-size: 14px;
            }
            .related-card-body {
                padding: 16px 18px 20px;
            }
            .contact-form-card {
                padding: 20px;
            }
            .cta-section .btn-cta {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1E1A17;
            --color-accent: #E2A63D;
            --color-accent-hover: #8C5A2B;
            --color-bg-light: #F7F2EA;
            --color-text-dark: #1E1A17;
            --color-text-light: #F7F2EA;
            --color-text-muted: #8A8177;
            --color-border-light: rgba(30,26,23,0.12);
            --color-border-dark: rgba(247,242,234,0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 12px rgba(30,26,23,0.06);
            --shadow-card-hover: 0 6px 24px rgba(30,26,23,0.12);
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 48px 0;
            --nav-height-desktop: 76px;
            --nav-height-mobile: 62px;
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text-dark);
            background-color: var(--color-bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: 1.5;
        }
        a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-pad-desktop);
        }
        .section-light {
            background-color: var(--color-bg-light);
        }
        .section-dark {
            background-color: var(--color-primary);
            color: var(--color-text-light);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .section-dark .section-subtitle {
            color: rgba(247,242,234,0.6);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 10px 24px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 1rem;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--color-accent);
            color: var(--color-text-dark);
        }
        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-text-light);
        }
        .btn-outline-dark {
            background: transparent;
            border: 1px solid rgba(30,26,23,0.2);
            color: var(--color-text-dark);
        }
        .btn-outline-dark:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(247,242,234,0.4);
            color: var(--color-text-light);
        }
        .btn-outline-light:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 0 var(--color-border-dark);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-desktop);
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.5px;
            color: var(--color-text-light);
            white-space: nowrap;
        }
        .site-logo .logo-num {
            color: var(--color-accent);
            font-size: 1.5rem;
            font-weight: 800;
        }
        .site-logo .logo-text {
            display: flex;
            align-items: center;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav li {
            list-style: none;
        }
        .main-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(247,242,234,0.82);
            position: relative;
            white-space: nowrap;
            border-radius: 4px;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 2px 2px 0 0;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.25s ease;
        }
        .main-nav a:hover {
            color: var(--color-accent);
        }
        .main-nav a:hover::after {
            transform: scaleX(1);
        }
        .main-nav a.active {
            color: var(--color-accent);
        }
        .main-nav a.active::after {
            transform: scaleX(1);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
        }
        .nav-toggle:hover {
            background: rgba(247,242,234,0.1);
        }
        .nav-toggle .bar {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text-light);
            margin: 5px 0;
            transition: var(--transition-base);
        }
        .nav-toggle .bar:first-child {
            margin-top: 0;
        }
        .nav-toggle .bar:last-child {
            margin-bottom: 0;
        }

        /* ===== CATEGORY HERO ===== */
        .category-hero {
            background-color: var(--color-primary);
            color: var(--color-text-light);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
            background-image: linear-gradient(rgba(30,26,23,0.85), rgba(30,26,23,0.92)), url('/assets/images/05f79f966f6a9830.webp');
            background-size: cover;
            background-position: center;
        }
        .category-hero .container {
            display: flex;
            align-items: center;
            gap: 40px;
            position: relative;
            z-index: 2;
        }
        .category-hero-content {
            flex: 0 0 60%;
        }
        .category-hero-badge {
            display: inline-block;
            padding: 4px 14px;
            background-color: rgba(226,166,61,0.15);
            border: 1px solid rgba(226,166,61,0.4);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 16px;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--color-text-light);
        }
        .category-hero-desc {
            font-size: 1.05rem;
            line-height: 1.75;
            color: rgba(247,242,234,0.78);
            margin-bottom: 28px;
            max-width: 560px;
        }
        .category-hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .category-hero-visual {
            flex: 0 0 40%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0,0,0,0.35);
            border: 1px solid var(--color-border-dark);
        }
        .category-hero-visual img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        /* ===== INTRO SECTION ===== */
        .category-intro .intro-grid {
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .category-intro .intro-text {
            flex: 1;
        }
        .category-intro .intro-text p {
            line-height: 1.85;
            color: var(--color-text-muted);
            margin-bottom: 16px;
        }
        .category-intro .intro-text p:last-child {
            margin-bottom: 0;
        }
        .category-intro .intro-image {
            flex: 0 0 42%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .category-intro .intro-image img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        /* ===== VIDEO GRID ===== */
        .video-grid-wrap {
            background-color: var(--color-bg-light);
        }
        .video-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .video-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .video-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .video-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .video-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .video-card:hover .card-img img {
            transform: scale(1.05);
        }
        .video-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .video-card .card-badge {
            display: inline-block;
            padding: 3px 12px;
            background-color: rgba(226,166,61,0.12);
            color: var(--color-accent-hover);
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 10px;
            width: fit-content;
        }
        .video-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--color-text-dark);
        }
        .video-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }
        .video-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border-light);
            padding-top: 14px;
        }
        .video-card .card-link {
            color: var(--color-accent-hover);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .video-card .card-link:hover {
            color: var(--color-accent);
        }
        .empty-state {
            text-align: center;
            padding: 48px 24px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1px dashed var(--color-border-light);
            color: var(--color-text-muted);
        }
        .empty-state p {
            margin: 0;
            font-size: 1rem;
        }
        .section-more {
            text-align: center;
            margin-top: 36px;
        }

        /* ===== STATS ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(247,242,234,0.65);
            margin-top: 6px;
        }

        /* ===== SCENARIO RECOMMEND ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            display: flex;
            transition: var(--transition-base);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .scenario-card .scenario-img {
            flex: 0 0 38%;
            overflow: hidden;
        }
        .scenario-card .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 100%;
        }
        .scenario-card .scenario-body {
            flex: 1;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .scenario-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text-dark);
        }
        .scenario-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .scenario-card .link-arrow {
            color: var(--color-accent-hover);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .scenario-card .link-arrow:hover {
            color: var(--color-accent);
            gap: 8px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            margin-bottom: 16px;
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            padding: 20px 24px;
            background: transparent;
            border: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--transition-base);
        }
        .faq-question:hover {
            color: var(--color-accent-hover);
        }
        .faq-question .faq-icon {
            font-size: 1.4rem;
            color: var(--color-accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-content {
            padding: 0 24px 20px;
            color: var(--color-text-muted);
            line-height: 1.75;
            font-size: 0.95rem;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background-color: var(--color-primary);
            color: var(--color-text-light);
            text-align: center;
            padding: 72px 0;
            background-image: linear-gradient(rgba(30,26,23,0.9), rgba(30,26,23,0.95)), url('/assets/images/23ed028c664a03b3.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-text-light);
        }
        .cta-section p {
            color: rgba(247,242,234,0.7);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== CONTACT ===== */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }
        .contact-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .contact-info p {
            color: var(--color-text-muted);
            margin-bottom: 10px;
            line-height: 1.7;
        }
        .contact-form .form-group {
            margin-bottom: 18px;
        }
        .contact-form label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-text-dark);
            font-size: 0.95rem;
        }
        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            background: #fff;
            transition: var(--transition-base);
            font-size: 0.95rem;
        }
        .contact-form input:focus,
        .contact-form textarea:focus {
            border-color: var(--color-accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(226,166,61,0.15);
        }
        .contact-form textarea {
            min-height: 100px;
            resize: vertical;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background-color: var(--color-primary);
            color: var(--color-text-light);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: rgba(247,242,234,0.6);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            color: rgba(247,242,234,0.6);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-col p {
            color: rgba(247,242,234,0.6);
            font-size: 0.9rem;
            margin-bottom: 6px;
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border-dark);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(247,242,234,0.5);
            margin: 0;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .category-hero .container {
                gap: 28px;
            }
            .category-hero-content {
                flex: 0 0 55%;
            }
            .category-hero-visual {
                flex: 0 0 45%;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .video-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: var(--section-pad-mobile);
            }
            .site-header .container {
                height: var(--nav-height-mobile);
            }
            .nav-toggle {
                display: block;
                z-index: 1002;
            }
            .nav-toggle.open .bar:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }
            .nav-toggle.open .bar:nth-child(2) {
                opacity: 0;
            }
            .nav-toggle.open .bar:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }
            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                left: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 10px;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 1001;
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .main-nav a {
                font-size: 1.2rem;
                padding: 12px 20px;
            }
            .main-nav a::after {
                bottom: 8px;
                left: 20px;
                right: 20px;
            }
            .category-hero {
                padding: 40px 0;
            }
            .category-hero .container {
                flex-direction: column;
                gap: 24px;
            }
            .category-hero-content,
            .category-hero-visual {
                flex: 0 0 100%;
                width: 100%;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero-desc {
                font-size: 0.95rem;
            }
            .category-intro .intro-grid {
                flex-direction: column;
                gap: 24px;
            }
            .category-intro .intro-image {
                flex: 0 0 100%;
                width: 100%;
            }
            .video-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .scenario-card {
                flex-direction: column;
            }
            .scenario-card .scenario-img {
                flex: 0 0 auto;
                aspect-ratio: 16/9;
            }
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .video-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1E1A17;
            --color-accent: #E2A63D;
            --color-accent-hover: #8C5A2B;
            --color-bg-light: #F7F2EA;
            --color-text-dark: #1E1A17;
            --color-text-light: #F7F2EA;
            --color-text-muted: #8A8177;
            --color-border-light: rgba(30,26,23,0.12);
            --color-border-dark: rgba(247,242,234,0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 12px rgba(30,26,23,0.06);
            --shadow-card-hover: 0 6px 24px rgba(30,26,23,0.12);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 48px 0;
            --nav-height-desktop: 76px;
            --nav-height-mobile: 62px;
            --transition-base: all 0.25s ease;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text-dark);
            background-color: var(--color-bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: 1.5;
        }

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

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

        /* ===== HEADER / NAV ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 0 var(--color-border-dark);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-desktop);
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.5px;
            color: var(--color-text-light);
            white-space: nowrap;
        }

        .site-logo .logo-num {
            color: var(--color-accent);
            font-size: 1.5rem;
            font-weight: 800;
        }

        .site-logo .logo-text {
            display: flex;
            align-items: center;
        }

        .site-logo .logo-text span {
            display: inline-block;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav li {
            list-style: none;
        }

        .main-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(247,242,234,0.82);
            position: relative;
            white-space: nowrap;
            border-radius: 4px;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 2px 2px 0 0;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.25s ease;
        }

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

        .main-nav a:hover::after {
            transform: scaleX(1);
        }

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

        .main-nav a.active::after {
            transform: scaleX(1);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
        }

        .nav-toggle:hover {
            background: rgba(247,242,234,0.1);
        }

        .nav-toggle .bar {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text-light);
            margin: 5px 0;
            transition: var(--transition-base);
        }

        .nav-toggle .bar:first-child {
            margin-top: 0;
        }

        .nav-toggle .bar:last-child {
            margin-bottom: 0;
        }

        /* ===== BUTTONS ===== */
        .btn-primary-custom {
            display: inline-block;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            text-align: center;
            line-height: 44px;
            transition: var(--transition-base);
            font-size: 0.95rem;
        }

        .btn-primary-custom:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-text-light);
        }

        .btn-secondary-custom {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(30,26,23,0.2);
            cursor: pointer;
            text-align: center;
            line-height: 42px;
            transition: var(--transition-base);
            font-size: 0.95rem;
        }

        .btn-secondary-custom:hover {
            border-color: var(--color-accent-hover);
            color: var(--color-accent-hover);
        }

        .btn-light-custom {
            display: inline-block;
            background-color: var(--color-text-light);
            color: var(--color-primary);
            font-weight: 600;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            text-align: center;
            line-height: 44px;
            transition: var(--transition-base);
            font-size: 0.95rem;
        }

        .btn-light-custom:hover {
            background-color: var(--color-accent);
        }

        .btn-outline-light-custom {
            display: inline-block;
            background: transparent;
            color: var(--color-text-light);
            font-weight: 600;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(247,242,234,0.3);
            cursor: pointer;
            text-align: center;
            line-height: 42px;
            transition: var(--transition-base);
            font-size: 0.95rem;
        }

        .btn-outline-light-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ===== SECTIONS ===== */
        .section {
            padding: var(--section-pad-desktop);
        }

        .section-dark {
            background-color: var(--color-primary);
            color: var(--color-text-light);
        }

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

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

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.6;
            color: var(--color-text-muted);
            max-width: 640px;
        }

        .section-dark .section-subtitle {
            color: rgba(247,242,234,0.65);
        }

        /* ===== CARDS ===== */
        .card-custom {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            border: 1px solid var(--color-border-light);
            height: 100%;
        }

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

        .card-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: #E8E0D4;
        }

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

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

        .card-tag {
            display: inline-block;
            background-color: rgba(226,166,61,0.15);
            color: var(--color-accent-hover);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 8px;
            color: var(--color-text-dark);
        }

        .card-text {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== BADGE ===== */
        .badge-custom {
            display: inline-block;
            background-color: rgba(226,166,61,0.12);
            color: var(--color-accent-hover);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            margin-right: 6px;
            margin-bottom: 6px;
        }

        .badge-light {
            background-color: rgba(247,242,234,0.15);
            color: var(--color-accent);
        }

        /* ===== STATS ===== */
        .stat-block {
            text-align: center;
            padding: 24px 16px;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(247,242,234,0.7);
            font-weight: 400;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            user-select: none;
            color: var(--color-text-dark);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--color-accent-hover);
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
            content: '×';
            font-size: 1.6rem;
            line-height: 1;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* ===== FORM ===== */
        .form-control-custom {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            margin-bottom: 14px;
            background: #fff;
            transition: var(--transition-base);
            color: var(--color-text-dark);
        }

        .form-control-custom:focus {
            border-color: var(--color-accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(226,166,61,0.15);
        }

        textarea.form-control-custom {
            resize: vertical;
            min-height: 100px;
        }

        /* ===== NEWS LIST ===== */
        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: var(--transition-base);
        }

        .news-list-item:hover {
            padding-left: 6px;
        }

        .news-list-item .news-time {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            min-width: 80px;
        }

        .news-list-item .news-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-dark);
            margin-bottom: 4px;
        }

        .news-list-item .news-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background-color: var(--color-primary);
            color: var(--color-text-light);
            padding: 60px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(247,242,234,0.65);
            line-height: 1.65;
            margin-top: 14px;
            max-width: 260px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(247,242,234,0.7);
            margin-bottom: 10px;
            transition: var(--transition-base);
        }

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

        .footer-col p {
            font-size: 0.85rem;
            color: rgba(247,242,234,0.7);
            margin-bottom: 8px;
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border-dark);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(247,242,234,0.5);
            margin: 0;
        }

        /* ===== CATEGORY HERO ===== */
        .category-hero {
            background-color: var(--color-primary);
            background-image: linear-gradient(rgba(30,26,23,0.7), rgba(30,26,23,0.85)), url('/assets/images/c46d94b01f0ab40d.webp');
            background-size: cover;
            background-position: center;
            color: var(--color-text-light);
            padding: 64px 0;
            position: relative;
        }

        .category-hero .container {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .category-hero h1 {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--color-text-light);
        }

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

        .category-hero p {
            font-size: 1.05rem;
            color: rgba(247,242,234,0.78);
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 0;
        }

        .category-hero-media {
            aspect-ratio: 4 / 3;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0,0,0,0.35);
        }

        .category-hero-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== INTRO SECTION ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-image {
            aspect-ratio: 4 / 3;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

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

        /* ===== SERVICE CARDS GRID ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        /* ===== RECOMMEND GRID ===== */
        .recommend-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .recommend-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

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

        .recommend-card .rec-media {
            width: 160px;
            aspect-ratio: 16 / 10;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .recommend-card .rec-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .recommend-card .rec-content {
            flex: 1;
        }

        .recommend-card .rec-title {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--color-text-dark);
        }

        .recommend-card .rec-text {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

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

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(247,242,234,0.7);
            max-width: 520px;
            margin: 0 auto 28px;
            font-size: 0.95rem;
        }

        /* ===== CONTACT SECTION ===== */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .contact-info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            font-size: 0.95rem;
            color: var(--color-text-dark);
        }

        .contact-info-icon {
            width: 36px;
            height: 36px;
            background-color: rgba(226,166,61,0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--color-accent-hover);
            flex-shrink: 0;
        }

        /* ===== SECTION HEADER ===== */
        .section-header {
            margin-bottom: 40px;
        }

        .section-header.center {
            text-align: center;
        }

        .section-header.center .section-subtitle {
            margin: 0 auto;
        }

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

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

            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .site-header .container {
                height: var(--nav-height-mobile);
            }

            .nav-toggle {
                display: block;
                z-index: 1002;
            }

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

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

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

            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                left: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 10px;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 1001;
                padding: 40px 20px;
                overflow-y: auto;
            }

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

            .main-nav a {
                font-size: 1.1rem;
                padding: 12px 20px;
                width: 100%;
                text-align: center;
            }

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

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

            .section-title {
                font-size: 1.5rem;
            }

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

            .category-hero h1 {
                font-size: 1.7rem;
            }

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

            .stat-number {
                font-size: 2rem;
            }

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

            .recommend-card {
                flex-direction: column;
            }

            .recommend-card .rec-media {
                width: 100%;
                aspect-ratio: 16 / 9;
            }

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

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .news-list-item {
                flex-direction: column;
                gap: 6px;
            }
        }

        @media (max-width: 480px) {
            .category-hero h1 {
                font-size: 1.4rem;
            }

            .btn-primary-custom,
            .btn-secondary-custom,
            .btn-light-custom,
            .btn-outline-light-custom {
                width: 100%;
                padding: 0 16px;
                font-size: 0.9rem;
            }

            .card-body-custom {
                padding: 16px;
            }

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

            .stat-number {
                font-size: 1.6rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1E1A17;
            --color-accent: #E2A63D;
            --color-accent-hover: #8C5A2B;
            --color-bg-light: #F7F2EA;
            --color-text-dark: #1E1A17;
            --color-text-light: #F7F2EA;
            --color-text-muted: #8A8177;
            --color-border-light: rgba(30,26,23,0.12);
            --color-border-dark: rgba(247,242,234,0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 12px rgba(30,26,23,0.06);
            --shadow-card-hover: 0 6px 24px rgba(30,26,23,0.12);
            --font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 48px 0;
            --nav-height-desktop: 76px;
            --nav-height-mobile: 62px;
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text-dark);
            background-color: var(--color-bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: 1.5;
        }
        a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 0 var(--color-border-dark);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-desktop);
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.5px;
            color: var(--color-text-light);
            white-space: nowrap;
        }
        .site-logo .logo-num {
            color: var(--color-accent);
            font-size: 1.5rem;
            font-weight: 800;
        }
        .site-logo .logo-text {
            display: flex;
            align-items: center;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav li {
            list-style: none;
        }
        .main-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(247,242,234,0.82);
            position: relative;
            white-space: nowrap;
            border-radius: 4px;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 2px 2px 0 0;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.25s ease;
        }
        .main-nav a:hover {
            color: var(--color-accent);
        }
        .main-nav a:hover::after {
            transform: scaleX(1);
        }
        .main-nav a.active {
            color: var(--color-accent);
        }
        .main-nav a.active::after {
            transform: scaleX(1);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
        }
        .nav-toggle:hover {
            background: rgba(247,242,234,0.1);
        }
        .nav-toggle .bar {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text-light);
            margin: 5px 0;
            transition: var(--transition-base);
        }
        .nav-toggle .bar:first-child {
            margin-top: 0;
        }
        .nav-toggle .bar:last-child {
            margin-bottom: 0;
        }

        /* ===== SECTION BASE ===== */
        .section {
            padding: var(--section-pad-desktop);
            position: relative;
        }
        .section-light {
            background-color: var(--color-bg-light);
        }
        .section-dark {
            background-color: var(--color-primary);
            color: var(--color-text-light);
        }
        .section-dark .section-subtitle {
            color: rgba(247,242,234,0.7);
        }
        .section-label {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--color-accent);
            background-color: rgba(226,166,61,0.1);
            border-radius: 20px;
            margin-bottom: 14px;
        }
        .section-dark .section-label {
            background-color: rgba(226,166,61,0.18);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.28;
            letter-spacing: -0.5px;
            color: inherit;
            margin-bottom: 14px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 680px;
            margin-bottom: 36px;
            line-height: 1.7;
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .section-title {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--section-pad-mobile);
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.92rem;
            }
        }

        /* ===== BUTTONS ===== */
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--color-accent);
            color: var(--color-text-dark);
            border: none;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            min-height: 44px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-accent:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-text-light);
            text-decoration: none;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: transparent;
            color: var(--color-text-light);
            border: 1px solid rgba(247,242,234,0.5);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            min-height: 44px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-outline-light:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            text-decoration: none;
        }
        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: transparent;
            color: var(--color-text-dark);
            border: 1px solid rgba(30,26,23,0.35);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            min-height: 44px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-outline-dark:hover {
            border-color: var(--color-accent-hover);
            color: var(--color-accent-hover);
            text-decoration: none;
        }

        /* ===== CATEGORY H1 HERO ===== */
        .category-hero {
            background-color: var(--color-primary);
            color: var(--color-text-light);
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 45%;
            background: linear-gradient(135deg, transparent 0%, rgba(226,166,61,0.12) 100%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.22;
            letter-spacing: -0.5px;
            color: var(--color-text-light);
            margin-bottom: 14px;
        }
        .category-hero .hero-desc {
            font-size: 1rem;
            color: rgba(247,242,234,0.78);
            line-height: 1.7;
            max-width: 560px;
            margin-bottom: 0;
        }
        .category-hero .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 8px 32px rgba(0,0,0,0.3);
            aspect-ratio: 4/3;
            max-width: 100%;
        }
        .category-hero .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .category-hero .hero-image-wrap::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(30,26,23,0.45) 100%);
            pointer-events: none;
        }
        .hero-tag {
            display: inline-block;
            padding: 5px 16px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--color-accent);
            background-color: rgba(226,166,61,0.15);
            border-radius: 20px;
            margin-bottom: 12px;
        }
        @media (max-width: 1024px) {
            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 40px 0 48px;
            }
            .category-hero::before {
                width: 100%;
                opacity: 0.5;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-image-wrap {
                aspect-ratio: 16/9;
            }
        }

        /* ===== CARD GRID ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }
        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .card-grid,
            .card-grid-2,
            .card-grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== TOPIC CARD ===== */
        .topic-card {
            background-color: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            border: 1px solid var(--color-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(226,166,61,0.4);
        }
        .topic-card .card-media {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
            background-color: #f0ebe5;
        }
        .topic-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .topic-card:hover .card-media img {
            transform: scale(1.04);
        }
        .topic-card .card-body {
            padding: 18px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card .card-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent-hover);
            background-color: rgba(226,166,61,0.12);
            border-radius: 4px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .topic-card .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--color-text-dark);
        }
        .topic-card .card-desc {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== RECOMMEND CARD ===== */
        .rec-card {
            background-color: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .rec-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(226,166,61,0.35);
        }
        .rec-card .rec-media {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background-color: #f0ebe5;
        }
        .rec-card .rec-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .rec-card:hover .rec-media img {
            transform: scale(1.04);
        }
        .rec-card .rec-body {
            padding: 16px 18px 20px;
            flex: 1;
        }
        .rec-card .rec-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent-hover);
            margin-bottom: 8px;
        }
        .rec-card .rec-title {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 6px;
            color: var(--color-text-dark);
        }
        .rec-card .rec-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* ===== STATS ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(247,242,234,0.72);
            font-weight: 500;
        }
        @media (max-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px 16px;
            }
            .stat-item .stat-num {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .stat-item .stat-num {
                font-size: 1.7rem;
            }
        }

        /* ===== PROCESS / STEPS ===== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step-counter;
        }
        .step-item {
            position: relative;
            padding: 26px 22px 22px;
            background-color: rgba(247,242,234,0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(247,242,234,0.1);
            transition: var(--transition-base);
        }
        .step-item:hover {
            background-color: rgba(247,242,234,0.1);
            border-color: rgba(226,166,61,0.35);
        }
        .step-item .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--color-accent);
            color: var(--color-text-dark);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 12px;
        }
        .step-item .step-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: 6px;
        }
        .step-item .step-desc {
            font-size: 0.85rem;
            color: rgba(247,242,234,0.65);
            line-height: 1.55;
            margin-bottom: 0;
        }
        @media (max-width: 1024px) {
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 768px) {
            .steps-row {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(226,166,61,0.35);
        }
        .faq-item details summary {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--color-text-dark);
            user-select: none;
        }
        .faq-item details summary::-webkit-details-marker {
            display: none;
        }
        .faq-item details summary::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--color-accent-hover);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item details[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-item .faq-body {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background-color: var(--color-primary);
            color: var(--color-text-light);
            text-align: center;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at center, rgba(226,166,61,0.1) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section .cta-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text-light);
        }
        .cta-section .cta-desc {
            font-size: 1rem;
            color: rgba(247,242,234,0.7);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section .cta-title {
                font-size: 1.4rem;
            }
        }

        /* ===== CONTACT BOARD ===== */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: start;
        }
        .contact-info h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--color-text-dark);
        }
        .contact-info .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 0.95rem;
            color: var(--color-text-muted);
        }
        .contact-info .contact-item strong {
            color: var(--color-text-dark);
            font-weight: 600;
            margin-right: 4px;
        }
        .contact-form {
            background-color: #fff;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }
        .contact-form .form-group {
            margin-bottom: 16px;
        }
        .contact-form label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-text-dark);
        }
        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            transition: var(--transition-base);
            background-color: #fdfbf8;
        }
        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(226,166,61,0.15);
        }
        .contact-form textarea {
            resize: vertical;
            min-height: 100px;
        }
        @media (max-width: 768px) {
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== INTRO BLOCK ===== */
        .intro-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .intro-block .intro-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-text-dark);
            line-height: 1.3;
        }
        .intro-block .intro-text p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .intro-block .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
        }
        .intro-block .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .intro-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .intro-block .intro-text h2 {
                font-size: 1.35rem;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background-color: var(--color-primary);
            color: var(--color-text-light);
            padding: 56px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 36px;
        }
        .site-footer .footer-brand .site-logo {
            margin-bottom: 14px;
        }
        .site-footer .footer-brand p {
            font-size: 0.88rem;
            color: rgba(247,242,234,0.65);
            line-height: 1.7;
            max-width: 300px;
        }
        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-col a,
        .site-footer .footer-col p {
            display: block;
            font-size: 0.85rem;
            color: rgba(247,242,234,0.62);
            margin-bottom: 8px;
            transition: var(--transition-base);
            line-height: 1.5;
        }
        .site-footer .footer-col a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(247,242,234,0.12);
            padding: 18px 0;
            text-align: center;
        }
        .site-footer .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(247,242,234,0.45);
            margin-bottom: 0;
        }
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 0;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                padding-bottom: 24px;
            }
        }

        /* ===== MOBILE NAV ===== */
        @media (max-width: 768px) {
            .site-header .container {
                height: var(--nav-height-mobile);
            }
            .nav-toggle {
                display: block;
                z-index: 1002;
            }
            .nav-toggle.open .bar:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }
            .nav-toggle.open .bar:nth-child(2) {
                opacity: 0;
            }
            .nav-toggle.open .bar:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }
            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                left: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 10px;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 1001;
                padding: 40px 20px;
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .main-nav a {
                font-size: 1.1rem;
                padding: 12px 20px;
                width: 100%;
                text-align: center;
            }
            .main-nav a::after {
                display: none;
            }
            .main-nav a.active {
                background-color: rgba(226,166,61,0.12);
                border-radius: 8px;
            }
        }