/* roulang page: index */
:root {
            --color-primary: #1F3D37;
            --color-primary-deep: #162A26;
            --color-accent: #C9A87C;
            --color-accent-deep: #8A6B3E;
            --bg-main: #FAF8F4;
            --bg-alt: #F2EEE8;
            --bg-dark: #1F3D37;
            --bg-darkest: #162A26;
            --text-main: #1C1C1E;
            --text-secondary: #4A4A4C;
            --border-color: #E5E0D6;
            --color-success: #3D6B5A;
            --color-warning: #9A5B4F;
            --font-title: 'Noto Serif SC', 'Georgia', 'STSong', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --radius-sm: 4px;
            --radius-md: 8px;
            --shadow-card: 0 2px 12px rgba(31, 61, 55, 0.08);
            --shadow-hover: 0 6px 24px rgba(31, 61, 55, 0.14);
            --transition-base: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

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

        .section {
            padding: 72px 0;
        }

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

        .section-dark {
            background-color: var(--bg-dark);
            color: #FAF8F4;
        }

        .section-title {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 34px;
            line-height: 1.35;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-sub {
            font-size: 17px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .section-divider {
            width: 64px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 20px;
        }

        .badge {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

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

        .badge-light {
            background: rgba(250, 248, 244, 0.12);
            color: #FAF8F4;
            border: 1px solid rgba(250, 248, 244, 0.25);
        }

        .btn {
            display: inline-block;
            font-family: var(--font-body);
            font-size: 16px;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            letter-spacing: 0.03em;
            border: none;
            line-height: 1.55;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #FAF8F4;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-deep);
            color: #FAF8F4;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }

        .btn-secondary:hover {
            background-color: var(--bg-alt);
            color: var(--color-primary-deep);
            border-color: var(--color-primary-deep);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
        }

        .btn-accent:hover {
            background-color: var(--color-accent-deep);
            color: #FAF8F4;
        }

        .btn-light {
            background-color: #FAF8F4;
            color: var(--color-primary);
            border: 1.5px solid #FAF8F4;
        }

        .btn-light:hover {
            background-color: var(--bg-alt);
            color: var(--color-primary-deep);
            border-color: var(--bg-alt);
        }

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

        .card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
        }

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

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

        .card-body {
            padding: 22px 24px;
        }

        .card-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.45;
        }

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

        /* Header & Navigation */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 8px rgba(31, 61, 55, 0.05);
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 22px;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .logo-link:hover {
            color: var(--color-primary-deep);
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #FAF8F4;
            font-size: 16px;
            font-weight: 700;
            font-family: var(--font-title);
            letter-spacing: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            font-size: 15px;
        }

        .main-nav a {
            color: var(--text-main);
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            letter-spacing: 0.02em;
        }

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

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-base);
        }

        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }

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

        .header-cta {
            white-space: nowrap;
        }

        .hamburger {
            display: none;
            background: transparent;
            border: 1.5px solid var(--color-primary);
            border-radius: 4px;
            width: 44px;
            height: 40px;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
            transition: background var(--transition-base);
        }

        .hamburger:hover {
            background: var(--bg-alt);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border-color);
            padding: 16px 24px 22px;
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-menu a {
            color: var(--text-main);
            font-size: 16px;
            padding: 10px 4px;
            border-bottom: 1px solid var(--border-color);
            display: block;
            transition: background var(--transition-base), color var(--transition-base);
            border-radius: 4px;
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

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

        /* Hero */
        .hero {
            position: relative;
            min-height: 82vh;
            display: flex;
            align-items: center;
            color: #FAF8F4;
            padding: 80px 0;
            background-size: cover;
            background-position: center;
            background-image: linear-gradient(to right, rgba(22, 42, 38, 0.88), rgba(31, 61, 55, 0.65)), url('/assets/images/2207d0df308ff246.webp');
        }

        .hero-content {
            max-width: 650px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(201, 168, 124, 0.2);
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 50px;
            letter-spacing: 0.06em;
            margin-bottom: 22px;
            text-transform: uppercase;
        }

        .hero-title {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 46px;
            line-height: 1.3;
            margin-bottom: 22px;
            letter-spacing: 0.02em;
            color: #FAF8F4;
        }

        .hero-desc {
            font-size: 18px;
            line-height: 1.85;
            color: rgba(250, 248, 244, 0.88);
            margin-bottom: 32px;
            max-width: 600px;
        }

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

        .hero-panel {
            background: rgba(31, 61, 55, 0.72);
            border: 1px solid rgba(201, 168, 124, 0.4);
            border-radius: var(--radius-md);
            padding: 24px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            max-width: 420px;
        }

        .hero-panel-label {
            font-size: 13px;
            color: var(--color-accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .hero-panel-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 22px;
            color: #FAF8F4;
            margin-bottom: 8px;
        }

        .hero-panel-desc {
            font-size: 15px;
            color: rgba(250, 248, 244, 0.82);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .hero-panel-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: color var(--transition-base);
        }

        .hero-panel-link:hover {
            color: #fff;
            text-decoration: underline;
        }

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

        .stat-item {
            text-align: left;
            padding: 20px 18px;
            border-right: 1px solid rgba(250, 248, 244, 0.15);
        }

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

        .stat-number {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 44px;
            line-height: 1.2;
            color: var(--color-accent);
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.78);
            letter-spacing: 0.03em;
        }

        /* Brand Intro */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-intro-text {
            font-size: 16.5px;
            color: var(--text-secondary);
            line-height: 1.95;
        }

        .brand-intro-text p {
            margin-bottom: 1.6em;
        }

        .brand-intro-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .brand-intro-img img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }

        /* Service Matrix */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        /* Series Compare */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-top: 2px solid var(--color-accent);
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .compare-col {
            padding: 36px 32px;
        }

        .compare-col:first-child {
            border-right: 1px solid var(--border-color);
        }

        .compare-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-deep);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }

        .compare-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 24px;
            color: var(--color-primary);
            margin-bottom: 18px;
        }

        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .compare-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.65;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

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

        .compare-list li::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-top: 9px;
            flex-shrink: 0;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 32px;
            max-width: 800px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 32px 24px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 10px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid var(--color-primary);
            box-shadow: 0 0 0 3px rgba(201, 168, 124, 0.25);
        }

        .timeline-year {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 20px;
            color: var(--color-accent-deep);
            margin-bottom: 6px;
        }

        .timeline-desc {
            font-size: 15px;
            color: rgba(250, 248, 244, 0.82);
            line-height: 1.75;
        }

        /* News List */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px 32px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 12px;
            border-radius: var(--radius-md);
            transition: background var(--transition-base), transform var(--transition-base);
            cursor: pointer;
        }

        .news-item:hover {
            background: var(--bg-alt);
            transform: translateX(4px);
        }

        .news-thumb {
            width: 100px;
            height: 70px;
            border-radius: 6px;
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .news-body {
            flex: 1;
        }

        .news-title {
            font-weight: 600;
            font-size: 16px;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.5;
            transition: color var(--transition-base);
        }

        .news-item:hover .news-title {
            color: var(--color-accent-deep);
        }

        .news-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-date {
            font-size: 13px;
            color: var(--color-accent-deep);
            font-weight: 500;
        }

        /* Store Grid */
        .store-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .store-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 24px 26px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .store-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }

        .store-city {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 20px;
            color: var(--color-primary);
        }

        .store-feature {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .store-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 4px;
        }

        .store-tag {
            font-size: 12px;
            color: var(--color-accent-deep);
            background: var(--bg-alt);
            padding: 3px 10px;
            border-radius: 50px;
            letter-spacing: 0.03em;
        }

        /* Sustainable */
        .sustain-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }

        .sustain-main-text {
            font-size: 16px;
            color: rgba(250, 248, 244, 0.85);
            line-height: 1.9;
            margin-bottom: 20px;
        }

        .sustain-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sustain-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: rgba(250, 248, 244, 0.88);
            padding: 12px 16px;
            background: rgba(250, 248, 244, 0.06);
            border-radius: 6px;
            border-left: 3px solid var(--color-accent);
            line-height: 1.65;
        }

        .sustain-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .sustain-img img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        /* Gallery */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .gallery-item {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            cursor: pointer;
            box-shadow: var(--shadow-card);
        }

        .gallery-item img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

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

        .gallery-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(22, 42, 38, 0.82));
            color: #FAF8F4;
            font-size: 13px;
            padding: 24px 14px 10px;
            letter-spacing: 0.03em;
        }

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

        .guarantee-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 26px 22px;
            box-shadow: var(--shadow-card);
            text-align: left;
            transition: transform var(--transition-base), border-color var(--transition-base);
        }

        .guarantee-item:hover {
            transform: translateY(-2px);
            border-color: var(--color-accent);
        }

        .guarantee-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-size: 18px;
            color: var(--color-primary);
            font-weight: 700;
            font-family: var(--font-title);
        }

        .guarantee-title {
            font-weight: 600;
            font-size: 17px;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .guarantee-desc {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Quick FAQ */
        .quick-faq-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px 32px;
        }

        .quick-faq-item {
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base);
        }

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

        .quick-faq-q {
            font-weight: 600;
            font-size: 16px;
            color: var(--color-primary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .quick-faq-q::before {
            content: '';
            display: inline-block;
            width: 16px;
            height: 2px;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        .quick-faq-a {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* FAQ Accordion */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            background: #fff;
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

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

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

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 24px;
            font-family: var(--font-body);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            text-align: left;
            transition: background var(--transition-base);
            letter-spacing: 0.02em;
            line-height: 1.6;
        }

        .faq-question:hover {
            background: var(--bg-alt);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 20px;
            transition: transform var(--transition-base);
            font-weight: 300;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 24px;
            background: var(--bg-main);
            color: var(--text-secondary);
            font-size: 15.5px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px;
        }

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

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 28px 28px 24px;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .testimonial-quote {
            font-family: var(--font-title);
            font-size: 28px;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 10px;
        }

        .testimonial-text {
            font-size: 15.5px;
            color: var(--text-main);
            line-height: 1.8;
            font-style: italic;
            margin-bottom: 16px;
        }

        .testimonial-author {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        /* Form */
        .form-wrap {
            max-width: 700px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 36px 40px;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border-color);
        }

        .form-label {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 600;
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }

        .form-input,
        .form-select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-family: var(--font-body);
            color: var(--text-main);
            background: var(--bg-main);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
            margin-bottom: 18px;
        }

        .form-input:focus,
        .form-select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 168, 124, 0.22);
            outline: none;
            background: #fff;
        }

        .form-required {
            color: var(--color-warning);
            font-weight: 600;
            margin-left: 2px;
        }

        .form-success {
            display: none;
            background: var(--color-success);
            color: #FAF8F4;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            margin-top: 16px;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .form-success.visible {
            display: block;
            animation: fadeIn 0.35s ease;
        }

        /* Brand Quote */
        .brand-quote-section {
            text-align: center;
            padding: 64px 0;
            background: var(--bg-main);
        }

        .brand-quote-line {
            width: 72px;
            height: 3px;
            background: var(--color-accent);
            margin: 0 auto 24px;
            border-radius: 2px;
        }

        .brand-quote {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 28px;
            line-height: 1.6;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            max-width: 760px;
            margin: 0 auto;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-darkest);
            color: rgba(250, 248, 244, 0.78);
            padding: 48px 0 24px;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 20px;
            color: #FAF8F4;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.62);
            line-height: 1.75;
            max-width: 260px;
        }

        .footer-col-title {
            font-weight: 600;
            font-size: 15px;
            color: var(--color-accent);
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

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

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

        .footer-col ul a {
            color: rgba(250, 248, 244, 0.7);
            font-size: 14px;
            transition: color var(--transition-base);
        }

        .footer-col ul a:hover {
            color: #FAF8F4;
        }

        .footer-bottom {
            border-top: 1px solid rgba(250, 248, 244, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            color: rgba(250, 248, 244, 0.55);
        }

        .footer-bottom a {
            color: rgba(250, 248, 244, 0.55);
        }

        .footer-bottom a:hover {
            color: #FAF8F4;
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            align-items: center;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 38px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(250, 248, 244, 0.15);
                padding: 16px 12px;
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .gallery-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
                padding: 0 16px;
            }
            .main-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .section {
                padding: 52px 0;
            }
            .hero {
                min-height: auto;
                padding: 56px 0;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .brand-intro-grid,
            .sustain-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .compare-col:first-child {
                border-right: none;
                border-bottom: 1px solid var(--border-color);
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .store-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .quick-faq-list {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 28px;
            }
            .stat-number {
                font-size: 34px;
            }
            .form-wrap {
                padding: 28px 22px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn {
                width: 100%;
                padding: 12px 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 6px;
            }
            .store-grid {
                grid-template-columns: 1fr;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-legal {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .timeline {
                padding-left: 24px;
            }
            .timeline::before {
                left: 6px;
            }
            .timeline-item::before {
                left: -21px;
            }
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 24px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1F3D37;
            --color-primary-deep: #162A26;
            --color-accent: #C9A87C;
            --color-accent-deep: #8A6B3E;
            --bg-main: #FAF8F4;
            --bg-alt: #F2EEE8;
            --bg-dark: #1F3D37;
            --bg-darkest: #162A26;
            --text-main: #1C1C1E;
            --text-secondary: #4A4A4C;
            --border-color: #E5E0D6;
            --color-success: #3D6B5A;
            --color-warning: #9A5B4F;
            --font-title: 'Noto Serif SC', 'Georgia', 'STSong', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --radius-sm: 4px;
            --radius-md: 8px;
            --shadow-card: 0 2px 12px rgba(31, 61, 55, 0.08);
            --shadow-hover: 0 6px 24px rgba(31, 61, 55, 0.14);
            --transition-base: 0.2s ease;
        }

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

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

        .section {
            padding: 64px 0;
        }

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

        .section-dark {
            background-color: var(--bg-dark);
            color: #FAF8F4;
        }

        .section-title {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 32px;
            line-height: 1.4;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .section-divider {
            width: 56px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 18px;
        }

        .badge {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

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

        .badge-light {
            background: rgba(250, 248, 244, 0.12);
            color: #FAF8F4;
            border: 1px solid rgba(250, 248, 244, 0.25);
        }

        .btn {
            display: inline-block;
            font-family: var(--font-body);
            font-size: 15px;
            font-weight: 500;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            letter-spacing: 0.03em;
            border: none;
            line-height: 1.55;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #FAF8F4;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-deep);
            color: #FAF8F4;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }

        .btn-secondary:hover {
            background-color: var(--bg-alt);
            color: var(--color-primary-deep);
            border-color: var(--color-primary-deep);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
        }

        .btn-accent:hover {
            background-color: var(--color-accent-deep);
            color: #FAF8F4;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
        }

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

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

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

        .card-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 19px;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FAF8F4;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 1px 6px rgba(31, 61, 55, 0.04);
        }

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

        .logo {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 24px;
            color: var(--color-primary);
            letter-spacing: 0.06em;
            line-height: 1.2;
        }

        .logo a {
            color: var(--color-primary);
        }

        .logo a:hover {
            color: var(--color-primary-deep);
        }

        .main-nav {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-base);
        }

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

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

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

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

        /* Mobile hamburger */
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: all var(--transition-base);
        }

        .mobile-nav {
            display: none;
            background: #FAF8F4;
            border-top: 1px solid var(--border-color);
            padding: 12px 24px 20px;
        }

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

        .mobile-nav li {
            border-bottom: 1px solid var(--border-color);
        }

        .mobile-nav li:last-child {
            border-bottom: none;
        }

        .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-size: 15px;
            color: var(--text-main);
            font-weight: 500;
        }

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

        /* Breadcrumb */
        .breadcrumb-bar {
            background: #F7F4EE;
            border-bottom: 1px solid var(--border-color);
            padding: 10px 0;
            font-size: 13px;
        }

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

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

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

        .breadcrumb .separator {
            color: #C0B8A8;
        }

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

        /* Hero / H1 区 */
        .category-hero {
            padding: 48px 0 40px;
            background: var(--bg-main);
            position: relative;
        }

        .category-hero-grid {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 40px;
            align-items: center;
        }

        .category-hero-content h1 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 40px;
            line-height: 1.35;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .category-hero-content .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 20px;
        }

        .category-hero-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 260px;
        }

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

        .hero-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

        /* Boutique list */
        .boutique-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .boutique-item {
            display: grid;
            grid-template-columns: 260px 1fr auto;
            gap: 24px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            align-items: center;
        }

        .boutique-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }

        .boutique-item-img {
            width: 260px;
            height: 170px;
            border-radius: 6px;
            overflow: hidden;
            flex-shrink: 0;
        }

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

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

        .boutique-item-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 18px;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.45;
        }

        .boutique-item-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 8px;
        }

        .boutique-item-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .boutique-item-action {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
        }

        .boutique-item-source {
            font-size: 12px;
            color: var(--color-accent-deep);
            white-space: nowrap;
        }

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

        .stat-item {
            text-align: center;
            padding: 24px 16px;
            background: rgba(250, 248, 244, 0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(201, 168, 124, 0.2);
        }

        .stat-number {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 42px;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.75);
            letter-spacing: 0.04em;
        }

        /* Topic cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .topic-card-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }

        .topic-card-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 16px;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

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

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

        .featured-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .featured-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }

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

        .featured-card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-card-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 17px;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .featured-card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .featured-card-meta {
            font-size: 12px;
            color: var(--color-accent-deep);
            margin-top: 12px;
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 16px;
            color: var(--color-primary);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition-base);
            gap: 12px;
        }

        .faq-question:hover {
            background: var(--bg-alt);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform var(--transition-base);
            font-size: 14px;
            color: var(--color-accent);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            margin: 0;
            padding-top: 4px;
        }

        .faq-answer::before {
            content: '';
            display: block;
            width: 32px;
            height: 2px;
            background: var(--color-accent);
            margin-bottom: 10px;
            border-radius: 1px;
        }

        /* CTA / Form */
        .cta-panel {
            background: var(--bg-dark);
            border-radius: var(--radius-md);
            padding: 40px 36px;
            color: #FAF8F4;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .cta-panel h2 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 26px;
            line-height: 1.4;
            margin-bottom: 12px;
            color: #FAF8F4;
        }

        .cta-panel p {
            font-size: 15px;
            color: rgba(250, 248, 244, 0.75);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .cta-form label {
            font-size: 13px;
            color: rgba(250, 248, 244, 0.8);
            font-weight: 500;
        }

        .cta-form input,
        .cta-form select {
            background: rgba(250, 248, 244, 0.08);
            border: 1px solid rgba(250, 248, 244, 0.2);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            color: #FAF8F4;
            font-size: 14px;
            font-family: var(--font-body);
            transition: border-color var(--transition-base), outline var(--transition-base);
            width: 100%;
        }

        .cta-form input::placeholder {
            color: rgba(250, 248, 244, 0.4);
        }

        .cta-form input:focus,
        .cta-form select:focus {
            border-color: var(--color-accent);
            outline: 2px solid var(--color-accent);
            outline-offset: 1px;
        }

        .cta-form select option {
            color: var(--text-main);
            background: #fff;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .form-required {
            color: var(--color-warning);
            margin-left: 3px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-darkest);
            color: rgba(250, 248, 244, 0.75);
            padding: 48px 0 24px;
            margin-top: 0;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 22px;
            color: #FAF8F4;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(250, 248, 244, 0.6);
            max-width: 280px;
        }

        .footer-col-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 15px;
            color: #FAF8F4;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .footer-col-title::after {
            content: '';
            display: block;
            width: 28px;
            height: 2px;
            background: var(--color-accent);
            margin-top: 6px;
            border-radius: 1px;
        }

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

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

        .site-footer a {
            color: rgba(250, 248, 244, 0.65);
            font-size: 13px;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(250, 248, 244, 0.12);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: rgba(250, 248, 244, 0.5);
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-legal span {
            font-size: 12px;
            color: rgba(250, 248, 244, 0.5);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .category-hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-hero-image {
                height: 220px;
            }
            .category-hero-content h1 {
                font-size: 32px;
            }
            .boutique-item {
                grid-template-columns: 200px 1fr;
                gap: 16px;
                padding: 14px 16px;
            }
            .boutique-item-img {
                width: 200px;
                height: 140px;
            }
            .boutique-item-action {
                grid-column: 1 / -1;
                flex-direction: row;
                justify-content: flex-start;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-panel {
                grid-template-columns: 1fr;
                padding: 28px 24px;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .main-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .boutique-item {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 12px 14px;
            }
            .boutique-item-img {
                width: 100%;
                height: 180px;
            }
            .boutique-item-action {
                grid-column: auto;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 32px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-legal {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .category-hero-content h1 {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero {
                padding: 32px 0 28px;
            }
            .category-hero-image {
                height: 180px;
            }
            .boutique-item {
                padding: 10px 12px;
            }
            .boutique-item-img {
                height: 150px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 26px;
            }
            .stat-label {
                font-size: 12px;
            }
            .cta-panel {
                padding: 20px 16px;
            }
            .cta-panel h2 {
                font-size: 21px;
            }
        }

        /* Custom Foundation overrides */
        .foundation-form .form-control {
            border-radius: var(--radius-sm);
            border-color: var(--border-color);
        }

/* roulang page: category1 */
:root {
        --color-primary: #1F3D37;
        --color-primary-deep: #162A26;
        --color-accent: #C9A87C;
        --color-accent-deep: #8A6B3E;
        --bg-main: #FAF8F4;
        --bg-alt: #F2EEE8;
        --bg-dark: #1F3D37;
        --bg-darkest: #162A26;
        --text-main: #1C1C1E;
        --text-secondary: #4A4A4C;
        --border-color: #E5E0D6;
        --color-success: #3D6B5A;
        --color-warning: #9A5B4F;
        --font-title: 'Noto Serif SC', 'Georgia', 'STSong', 'SimSun', serif;
        --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        --radius-sm: 4px;
        --radius-md: 8px;
        --shadow-card: 0 2px 12px rgba(31, 61, 55, 0.08);
        --shadow-hover: 0 6px 24px rgba(31, 61, 55, 0.14);
        --transition-base: 0.2s ease;
    }

    /* roulang page: brand-matrix */
    html {
        scroll-behavior: smooth;
    }

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

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

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

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

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--color-accent);
        outline-offset: 3px;
    }

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

    .section {
        padding: 72px 0;
    }

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

    .section-dark {
        background-color: var(--bg-dark);
        color: #FAF8F4;
    }

    .section-title {
        font-family: var(--font-title);
        font-weight: 700;
        font-size: 32px;
        line-height: 1.35;
        color: var(--color-primary);
        margin-bottom: 16px;
        letter-spacing: 0.02em;
    }

    .section-title-light {
        color: #FAF8F4;
    }

    .section-sub {
        font-size: 17px;
        color: var(--text-secondary);
        margin-bottom: 32px;
        line-height: 1.8;
    }

    .section-divider {
        width: 64px;
        height: 3px;
        background: var(--color-accent);
        border-radius: 2px;
        margin-bottom: 20px;
    }

    .badge {
        display: inline-block;
        background: var(--color-accent);
        color: var(--color-primary);
        font-size: 13px;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 50px;
        letter-spacing: 0.04em;
    }

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

    .badge-light {
        background: rgba(250, 248, 244, 0.12);
        color: #FAF8F4;
        border: 1px solid rgba(250, 248, 244, 0.25);
    }

    .btn {
        display: inline-block;
        font-family: var(--font-body);
        font-size: 16px;
        font-weight: 500;
        padding: 12px 28px;
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: all var(--transition-base);
        text-align: center;
        letter-spacing: 0.03em;
        border: none;
        line-height: 1.55;
    }

    .btn-primary {
        background-color: var(--color-primary);
        color: #FAF8F4;
    }

    .btn-primary:hover {
        background-color: var(--color-primary-deep);
        color: #FAF8F4;
    }

    .btn-secondary {
        background-color: transparent;
        color: var(--color-primary);
        border: 1.5px solid var(--color-primary);
    }

    .btn-secondary:hover {
        background-color: var(--bg-alt);
        color: var(--color-primary-deep);
        border-color: var(--color-primary-deep);
    }

    .btn-accent {
        background-color: var(--color-accent);
        color: var(--color-primary);
        font-weight: 600;
    }

    .btn-accent:hover {
        background-color: var(--color-accent-deep);
        color: #FAF8F4;
    }

    .btn-light {
        background-color: #FAF8F4;
        color: var(--color-primary);
        border: 1.5px solid #FAF8F4;
    }

    .btn-light:hover {
        background-color: var(--bg-alt);
        color: var(--color-primary-deep);
        border-color: var(--bg-alt);
    }

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

    .card {
        background: #fff;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        height: 100%;
    }

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

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

    .card-body {
        padding: 22px 24px;
    }

    .card-title {
        font-family: var(--font-title);
        font-weight: 600;
        font-size: 20px;
        color: var(--color-primary);
        margin-bottom: 10px;
        line-height: 1.45;
    }

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

    /* Header & Navigation */
    .site-header {
        background: #fff;
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 100;
        box-shadow: 0 1px 8px rgba(31, 61, 55, 0.06);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 24px;
    }

    .brand-logo {
        font-family: var(--font-title);
        font-weight: 700;
        font-size: 26px;
        color: var(--color-primary);
        letter-spacing: 0.06em;
        white-space: nowrap;
        flex-shrink: 0;
    }

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

    .nav-wrapper {
        display: flex;
        align-items: center;
        gap: 24px;
        flex: 1;
        justify-content: flex-end;
    }

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

    .main-nav li a {
        display: inline-block;
        padding: 8px 14px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-main);
        border-radius: var(--radius-sm);
        transition: all var(--transition-base);
        position: relative;
        white-space: nowrap;
    }

    .main-nav li a:hover {
        color: var(--color-primary);
        background-color: var(--bg-alt);
    }

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

    .main-nav li a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 14px;
        right: 14px;
        height: 2px;
        background-color: var(--color-accent);
        border-radius: 1px;
    }

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

    .header-cta .btn {
        white-space: nowrap;
    }

    .hamburger {
        display: none;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
        font-size: 22px;
        color: var(--color-primary);
        line-height: 1;
    }

    /* Breadcrumb */
    .breadcrumb-bar {
        background-color: var(--bg-alt);
        border-bottom: 1px solid var(--border-color);
        padding: 12px 0;
    }

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

    .breadcrumb li {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .breadcrumb li a {
        color: var(--text-secondary);
        transition: color var(--transition-base);
    }

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

    .breadcrumb li + li::before {
        content: '/';
        color: #B8B0A4;
        font-size: 13px;
        margin-right: 8px;
    }

    .breadcrumb li:last-child {
        color: var(--color-primary);
        font-weight: 600;
    }

    /* Category Hero */
    .category-hero {
        position: relative;
        padding: 88px 0 72px;
        background-color: var(--bg-dark);
        overflow: hidden;
        min-height: 380px;
        display: flex;
        align-items: center;
    }

    .category-hero-bg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.45;
        z-index: 0;
    }

    .category-hero-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, rgba(22, 42, 38, 0.88) 0%, rgba(31, 61, 55, 0.72) 55%, rgba(31, 61, 55, 0.45) 100%);
        z-index: 1;
    }

    .category-hero-content {
        position: relative;
        z-index: 2;
        max-width: 760px;
    }

    .category-hero-content h1 {
        font-family: var(--font-title);
        font-weight: 700;
        font-size: 42px;
        line-height: 1.3;
        color: #FAF8F4;
        margin: 0 0 20px;
        letter-spacing: 0.03em;
    }

    .category-hero-content p {
        font-size: 18px;
        line-height: 1.85;
        color: rgba(250, 248, 244, 0.88);
        margin: 0 0 28px;
    }

    .category-hero-meta {
        display: flex;
        gap: 20px;
        flex-wrap: wrap;
        color: rgba(250, 248, 244, 0.7);
        font-size: 14px;
    }

    /* Brand list */
    .brand-list {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .brand-list-item {
        display: grid;
        grid-template-columns: 220px 1fr;
        gap: 24px;
        background: #fff;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    }

    .brand-list-item:hover {
        transform: translateX(6px);
        box-shadow: var(--shadow-hover);
        border-color: var(--color-accent);
    }

    .brand-list-img {
        width: 220px;
        height: 100%;
        min-height: 160px;
        object-fit: cover;
    }

    .brand-list-body {
        padding: 20px 24px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .brand-list-body .brand-name {
        font-family: var(--font-title);
        font-weight: 600;
        font-size: 20px;
        color: var(--color-primary);
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .brand-list-body .brand-desc {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.75;
        margin-bottom: 12px;
    }

    .brand-list-body .brand-tag {
        display: inline-block;
        font-size: 12px;
        color: var(--color-accent-deep);
        background: rgba(201, 168, 124, 0.12);
        padding: 4px 12px;
        border-radius: 50px;
        letter-spacing: 0.04em;
        margin-right: 8px;
    }

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

    .stat-item {
        padding: 20px 16px;
        border-right: 1px solid rgba(250, 248, 244, 0.15);
    }

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

    .stat-number {
        font-family: var(--font-title);
        font-weight: 700;
        font-size: 48px;
        color: var(--color-accent);
        line-height: 1.2;
        margin-bottom: 8px;
        letter-spacing: 0.02em;
    }

    .stat-label {
        font-size: 15px;
        color: rgba(250, 248, 244, 0.8);
        line-height: 1.5;
    }

    /* Topic cards */
    .topic-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

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

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

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

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

    .topic-card-title {
        font-family: var(--font-title);
        font-weight: 600;
        font-size: 19px;
        color: var(--color-primary);
        margin-bottom: 8px;
        line-height: 1.45;
    }

    .topic-card-text {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    /* Featured */
    .featured-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }

    .featured-card {
        position: relative;
        border-radius: var(--radius-md);
        overflow: hidden;
        min-height: 320px;
        display: flex;
        align-items: flex-end;
        transition: transform var(--transition-base), box-shadow var(--transition-base);
    }

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

    .featured-card-img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .featured-card-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(180deg, rgba(22, 42, 38, 0.15) 0%, rgba(22, 42, 38, 0.75) 65%, rgba(22, 42, 38, 0.9) 100%);
    }

    .featured-card-body {
        position: relative;
        z-index: 2;
        padding: 26px 24px;
        color: #FAF8F4;
    }

    .featured-card-title {
        font-family: var(--font-title);
        font-weight: 700;
        font-size: 22px;
        margin-bottom: 8px;
        line-height: 1.4;
        color: #FAF8F4;
    }

    .featured-card-text {
        font-size: 14px;
        color: rgba(250, 248, 244, 0.85);
        line-height: 1.7;
    }

    /* FAQ */
    .faq-list {
        max-width: 820px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .faq-item {
        background: #fff;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-color);
        overflow: hidden;
        transition: border-color var(--transition-base), box-shadow var(--transition-base);
    }

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

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

    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 22px;
        background: #fff;
        border: none;
        cursor: pointer;
        text-align: left;
        font-family: var(--font-title);
        font-weight: 600;
        font-size: 17px;
        color: var(--color-primary);
        transition: all var(--transition-base);
        letter-spacing: 0.02em;
        line-height: 1.5;
    }

    .faq-question:hover {
        background: var(--bg-alt);
    }

    .faq-question .faq-arrow {
        flex-shrink: 0;
        transition: transform var(--transition-base);
        color: var(--color-accent-deep);
        font-size: 16px;
    }

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

    .faq-answer {
        display: none;
        padding: 0 22px 18px;
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.8;
    }

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

    /* Form */
    .subscribe-form {
        max-width: 680px;
        margin: 0 auto;
        background: #fff;
        border-radius: var(--radius-md);
        padding: 36px 40px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-color);
    }

    .form-group {
        margin-bottom: 20px;
    }

    .form-group label {
        display: block;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        margin-bottom: 6px;
        letter-spacing: 0.02em;
    }

    .form-group label .required {
        color: var(--color-warning);
        margin-left: 2px;
    }

    .form-group input,
    .form-group select {
        width: 100%;
        padding: 12px 14px;
        font-family: var(--font-body);
        font-size: 15px;
        color: var(--text-main);
        background: #fff;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        transition: border-color var(--transition-base), box-shadow var(--transition-base);
        line-height: 1.5;
        appearance: none;
        -webkit-appearance: none;
    }

    .form-group input:focus,
    .form-group select:focus {
        border-color: var(--color-accent);
        outline: 2px solid rgba(201, 168, 124, 0.35);
        outline-offset: 0;
    }

    .form-group select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238A6B3E' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 14px center;
        padding-right: 36px;
    }

    .form-submit {
        margin-top: 8px;
    }

    .form-note {
        font-size: 13px;
        color: var(--text-secondary);
        margin-top: 12px;
        line-height: 1.6;
    }

    /* Footer */
    .site-footer {
        background-color: var(--bg-darkest);
        color: #FAF8F4;
        padding: 56px 0 28px;
        font-size: 15px;
    }

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

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

    .footer-brand {
        font-family: var(--font-title);
        font-weight: 700;
        font-size: 22px;
        margin-bottom: 12px;
        color: #FAF8F4;
        letter-spacing: 0.06em;
    }

    .footer-desc {
        font-size: 14px;
        color: rgba(250, 248, 244, 0.65);
        line-height: 1.75;
        max-width: 320px;
    }

    .footer-col-title {
        font-weight: 600;
        font-size: 16px;
        color: var(--color-accent);
        margin-bottom: 16px;
        letter-spacing: 0.04em;
    }

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

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

    .site-footer ul li a {
        color: rgba(250, 248, 244, 0.75);
        font-size: 14px;
        transition: color var(--transition-base);
    }

    .site-footer ul li a:hover {
        color: var(--color-accent);
    }

    .footer-bottom {
        border-top: 1px solid rgba(250, 248, 244, 0.12);
        padding-top: 22px;
        display: flex;
        flex-direction: column;
        gap: 12px;
        font-size: 13px;
        color: rgba(250, 248, 244, 0.55);
    }

    .footer-legal {
        display: flex;
        flex-wrap: wrap;
        gap: 18px;
        align-items: center;
    }

    .footer-legal a {
        color: rgba(250, 248, 244, 0.75);
    }

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

    /* Responsive */
    @media (max-width: 1024px) {
        .header-inner {
            height: 68px;
            gap: 16px;
        }
        .main-nav li a {
            padding: 8px 10px;
            font-size: 14px;
        }
        .header-cta .btn {
            padding: 10px 18px;
            font-size: 14px;
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .stat-item {
            border-right: none;
            border-bottom: 1px solid rgba(250, 248, 244, 0.15);
            padding: 16px;
        }
        .stat-item:nth-child(n+3) {
            border-bottom: none;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
    }

    @media (max-width: 768px) {
        .section {
            padding: 52px 0;
        }
        .header-inner {
            flex-wrap: wrap;
            height: auto;
            padding: 14px 0;
        }
        .nav-wrapper {
            display: none;
            flex-basis: 100%;
            flex-direction: column;
            align-items: stretch;
            gap: 8px;
            padding-top: 12px;
            background: #fff;
        }
        .nav-wrapper.open {
            display: flex;
        }
        .main-nav {
            flex-direction: column;
            align-items: stretch;
            gap: 2px;
        }
        .main-nav li a {
            display: block;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
        }
        .main-nav li a.active::after {
            left: 16px;
            right: auto;
            width: 28px;
            bottom: auto;
            top: 50%;
            transform: translateY(-50%);
            height: 2px;
        }
        .header-cta {
            padding: 8px 0;
        }
        .header-cta .btn {
            width: 100%;
        }
        .hamburger {
            display: block;
        }
        .category-hero {
            padding: 56px 0;
            min-height: 340px;
        }
        .category-hero-content h1 {
            font-size: 30px;
        }
        .category-hero-content p {
            font-size: 16px;
        }
        .brand-list-item {
            grid-template-columns: 1fr;
        }
        .brand-list-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .topic-grid {
            grid-template-columns: 1fr;
        }
        .featured-grid {
            grid-template-columns: 1fr;
        }
        .featured-card {
            min-height: 260px;
        }
        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .stat-number {
            font-size: 38px;
        }
        .subscribe-form {
            padding: 26px 22px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-legal {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
        .section-title {
            font-size: 26px;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 16px;
        }
        .brand-logo {
            font-size: 22px;
        }
        .category-hero-content h1 {
            font-size: 26px;
        }
        .stats-grid {
            grid-template-columns: 1fr;
            gap: 12px;
        }
        .stat-item {
            border-bottom: 1px solid rgba(250, 248, 244, 0.15);
        }
        .stat-item:last-child {
            border-bottom: none;
        }
        .stat-number {
            font-size: 34px;
        }
        .section {
            padding: 42px 0;
        }
        .section-title {
            font-size: 23px;
        }
        .btn {
            padding: 10px 22px;
            font-size: 15px;
        }
        .faq-question {
            font-size: 15px;
            padding: 15px 18px;
        }
        .faq-answer {
            padding: 0 18px 14px;
            font-size: 14px;
        }
    }

/* roulang page: category3 */
:root {
            --color-primary: #1F3D37;
            --color-primary-deep: #162A26;
            --color-accent: #C9A87C;
            --color-accent-deep: #8A6B3E;
            --bg-main: #FAF8F4;
            --bg-alt: #F2EEE8;
            --bg-dark: #1F3D37;
            --bg-darkest: #162A26;
            --text-main: #1C1C1E;
            --text-secondary: #4A4A4C;
            --border-color: #E5E0D6;
            --color-success: #3D6B5A;
            --color-warning: #9A5B4F;
            --font-title: 'Noto Serif SC', 'Georgia', 'STSong', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --radius-sm: 4px;
            --radius-md: 8px;
            --shadow-card: 0 2px 12px rgba(31, 61, 55, 0.08);
            --shadow-hover: 0 6px 24px rgba(31, 61, 55, 0.14);
            --transition-base: 0.2s ease;
        }

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

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

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

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .section {
            padding: 64px 0;
        }

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

        .section-dark {
            background-color: var(--bg-dark);
            color: #FAF8F4;
        }

        .section-title {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 30px;
            line-height: 1.4;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.85;
        }

        .section-divider {
            width: 56px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 18px;
        }

        .badge {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

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

        .badge-light {
            background: rgba(250, 248, 244, 0.12);
            color: #FAF8F4;
            border: 1px solid rgba(250, 248, 244, 0.25);
        }

        .btn {
            display: inline-block;
            font-family: var(--font-body);
            font-size: 16px;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            letter-spacing: 0.03em;
            border: none;
            line-height: 1.55;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #FAF8F4;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-deep);
            color: #FAF8F4;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }

        .btn-secondary:hover {
            background-color: var(--bg-alt);
            color: var(--color-primary-deep);
            border-color: var(--color-primary-deep);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
        }

        .btn-accent:hover {
            background-color: var(--color-accent-deep);
            color: #FAF8F4;
        }

        .btn-light {
            background-color: #FAF8F4;
            color: var(--color-primary);
            border: 1.5px solid #FAF8F4;
        }

        .btn-light:hover {
            background-color: var(--bg-alt);
            color: var(--color-primary-deep);
            border-color: var(--bg-alt);
        }

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

        .card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
        }

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

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

        .card-body {
            padding: 22px 24px;
        }

        .card-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 19px;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.5;
        }

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

        /* ========== Header ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 72px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 8px rgba(31, 61, 55, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }

        .brand-logo {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 26px;
            color: var(--color-primary);
            letter-spacing: 0.06em;
            white-space: nowrap;
            line-height: 1.2;
        }

        .brand-logo span {
            color: var(--color-accent-deep);
        }

        .brand-logo a {
            color: inherit;
            text-decoration: none;
        }

        .brand-logo a:hover {
            color: var(--color-accent-deep);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
        }

        .main-nav li {
            list-style: none;
            margin: 0;
        }

        .main-nav a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            position: relative;
            white-space: nowrap;
        }

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

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-cta .btn {
            padding: 9px 20px;
            font-size: 14px;
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base);
        }

        .hamburger:hover {
            background: var(--bg-alt);
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            margin: 5px 0;
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        .hamburger.is-open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.is-open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.is-open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border-color);
            padding: 10px 0;
        }

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

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

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

        .breadcrumb .separator {
            color: #B8B0A4;
            user-select: none;
        }

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

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            background: var(--bg-dark);
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: center;
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 1;
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(22, 42, 38, 0.85) 0%, rgba(31, 61, 55, 0.55) 60%, rgba(22, 42, 38, 0.4) 100%);
            z-index: 2;
        }

        .category-hero-content {
            position: relative;
            z-index: 3;
            padding: 48px 0;
            color: #FAF8F4;
        }

        .category-hero-content .badge {
            margin-bottom: 14px;
        }

        .category-hero h1 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 38px;
            line-height: 1.35;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            color: #FAF8F4;
        }

        .category-hero p {
            font-size: 17px;
            color: rgba(250, 248, 244, 0.85);
            line-height: 1.85;
            max-width: 680px;
            margin-bottom: 0;
        }

        /* ========== Insight List ========== */
        .insight-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .insight-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-base), padding-left var(--transition-base);
            align-items: flex-start;
        }

        .insight-item:first-child {
            border-top: 1px solid var(--border-color);
        }

        .insight-item:hover {
            background: var(--bg-alt);
            padding-left: 12px;
        }

        .insight-thumb {
            flex-shrink: 0;
            width: 180px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .insight-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .insight-item:hover .insight-thumb img {
            transform: scale(1.03);
        }

        .insight-content {
            flex: 1;
            min-width: 0;
        }

        .insight-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .insight-date {
            font-size: 13px;
            color: var(--color-accent-deep);
            font-weight: 500;
        }

        .insight-tag {
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 50px;
            background: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent-deep);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .insight-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 18px;
            color: var(--color-primary);
            line-height: 1.5;
            margin-bottom: 6px;
            transition: color var(--transition-base);
        }

        .insight-item:hover .insight-title {
            color: var(--color-accent-deep);
        }

        .insight-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== Stats Section ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }

        .stat-item {
            padding: 28px 20px;
            border-radius: var(--radius-md);
            background: rgba(250, 248, 244, 0.06);
            border: 1px solid rgba(250, 248, 244, 0.12);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            background: rgba(250, 248, 244, 0.1);
            border-color: rgba(201, 168, 124, 0.5);
        }

        .stat-number {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 44px;
            line-height: 1.2;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.75);
            letter-spacing: 0.04em;
        }

        /* ========== Topic Cards ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

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

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

        .topic-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .topic-card-body {
            padding: 18px 20px;
        }

        .topic-card-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 17px;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.45;
        }

        .topic-card-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

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

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

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

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

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

        .featured-card .badge {
            align-self: flex-start;
            margin-bottom: 10px;
        }

        .featured-card-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 18px;
            color: var(--color-primary);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .featured-card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            flex: 1;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .faq-item:hover {
            border-color: #D5CCBE;
        }

        .faq-item.is-open {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }

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

        .faq-question::before {
            content: '';
            display: inline-block;
            width: 3px;
            height: 18px;
            background: var(--color-accent);
            border-radius: 2px;
            flex-shrink: 0;
        }

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

        .faq-question-text {
            flex: 1;
        }

        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform 0.3s ease;
        }

        .faq-arrow::before,
        .faq-arrow::after {
            content: '';
            position: absolute;
            background: var(--color-accent-deep);
            border-radius: 1px;
            transition: all 0.3s ease;
        }

        .faq-arrow::before {
            top: 9px;
            left: 2px;
            width: 16px;
            height: 2px;
        }

        .faq-arrow::after {
            top: 2px;
            left: 9px;
            width: 2px;
            height: 16px;
        }

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

        .faq-item.is-open .faq-arrow::after {
            opacity: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 22px;
            background: var(--bg-main);
        }

        .faq-item.is-open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px 22px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--bg-dark);
            padding: 56px 0;
            text-align: center;
        }

        .cta-section .section-title {
            color: #FAF8F4;
        }

        .cta-section .section-sub {
            color: rgba(250, 248, 244, 0.75);
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-darkest);
            color: #FAF8F4;
            padding: 56px 0 24px;
            margin-top: 0;
        }

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

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

        .footer-brand {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 24px;
            color: #FAF8F4;
            letter-spacing: 0.05em;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.65);
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }

        .footer-grid ul {
            padding: 0;
            margin: 0;
        }

        .footer-grid ul li {
            list-style: none;
            margin-bottom: 8px;
        }

        .footer-grid ul a {
            color: rgba(250, 248, 244, 0.7);
            font-size: 14px;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(250, 248, 244, 0.12);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(250, 248, 244, 0.5);
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-legal a {
            color: rgba(250, 248, 244, 0.6);
            transition: color var(--transition-base);
        }

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

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 8px 12px;
                font-size: 14px;
            }
            .header-cta .btn span {
                display: none;
            }
            .header-cta .btn {
                padding: 9px 14px;
            }
            .insight-thumb {
                width: 140px;
                height: 100px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 6px 20px rgba(31, 61, 55, 0.08);
                padding: 8px 0;
            }
            .main-nav.is-open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 24px;
                font-size: 15px;
                border-bottom: 1px solid #F2EEE8;
                border-radius: 0;
                display: flex;
                align-items: center;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: var(--bg-alt);
                border-left: 3px solid var(--color-accent);
                padding-left: 21px;
            }
            .header-cta {
                display: none;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .category-hero {
                min-height: 200px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero p {
                font-size: 15px;
            }
            .insight-item {
                flex-direction: column;
                gap: 12px;
            }
            .insight-thumb {
                width: 100%;
                height: 160px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-legal {
                justify-content: center;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-buttons .btn {
                width: 100%;
                max-width: 320px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .footer-inner {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .brand-logo {
                font-size: 22px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 28px;
            }
            .stat-item {
                padding: 16px 12px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-answer p {
                font-size: 14px;
            }
            .insight-title {
                font-size: 16px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1F3D37;
            --color-primary-deep: #162A26;
            --color-accent: #C9A87C;
            --color-accent-deep: #8A6B3E;
            --bg-main: #FAF8F4;
            --bg-alt: #F2EEE8;
            --bg-dark: #1F3D37;
            --bg-darkest: #162A26;
            --text-main: #1C1C1E;
            --text-secondary: #4A4A4C;
            --border-color: #E5E0D6;
            --color-success: #3D6B5A;
            --color-warning: #9A5B4F;
            --font-title: 'Noto Serif SC', 'Georgia', 'STSong', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --radius-sm: 4px;
            --radius-md: 8px;
            --shadow-card: 0 2px 12px rgba(31, 61, 55, 0.08);
            --shadow-hover: 0 6px 24px rgba(31, 61, 55, 0.14);
            --transition-base: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        * {
            box-sizing: border-box;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--color-accent-deep);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background-color: var(--bg-alt);
        }
        .section-dark {
            background-color: var(--bg-dark);
            color: #FAF8F4;
        }
        .section-title {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 32px;
            line-height: 1.4;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .section-divider {
            width: 64px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 20px;
        }
        .badge {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent-deep);
        }
        .badge-dark {
            background: rgba(31, 61, 55, 0.1);
            color: var(--color-primary);
            border: 1px solid rgba(31, 61, 55, 0.2);
        }
        .btn {
            display: inline-block;
            font-family: var(--font-body);
            font-size: 16px;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            letter-spacing: 0.03em;
            border: none;
            line-height: 1.55;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #FAF8F4;
        }
        .btn-primary:hover {
            background-color: var(--color-primary-deep);
            color: #FAF8F4;
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }
        .btn-secondary:hover {
            background-color: var(--bg-alt);
            color: var(--color-primary-deep);
            border-color: var(--color-primary-deep);
        }
        .btn-accent {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
        }
        .btn-accent:hover {
            background-color: var(--color-accent-deep);
            color: #FAF8F4;
        }
        .btn-light {
            background-color: #FAF8F4;
            color: var(--color-primary);
            border: 1.5px solid #FAF8F4;
        }
        .btn-light:hover {
            background-color: var(--bg-alt);
            color: var(--color-primary-deep);
            border-color: var(--bg-alt);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }
        .card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .card-body {
            padding: 22px 24px;
        }
        .card-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.45;
        }
        .card-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .card-meta {
            font-size: 13px;
            color: var(--color-accent-deep);
            margin-top: 12px;
            letter-spacing: 0.02em;
        }
        /* Header & Navigation */
        .site-header {
            background-color: #FAF8F4;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 6px rgba(31, 61, 55, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 24px;
            color: var(--color-primary);
            letter-spacing: 0.06em;
            line-height: 1;
        }
        .brand-logo:hover {
            color: var(--color-primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav li a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 2px;
            position: relative;
            transition: color var(--transition-base);
            letter-spacing: 0.03em;
        }
        .main-nav li a:hover {
            color: var(--color-primary);
        }
        .main-nav li a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .nav-cta {
            margin-left: 8px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--color-primary);
            margin: 5px 0;
            border-radius: 1px;
            transition: all 0.25s ease;
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            background-color: var(--bg-alt);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 0;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb-bar a {
            color: var(--text-secondary);
        }
        .breadcrumb-bar a:hover {
            color: var(--color-accent-deep);
        }
        .breadcrumb-divider {
            color: var(--border-color);
            font-size: 14px;
        }
        .breadcrumb-current {
            color: var(--color-primary);
            font-weight: 600;
        }
        /* Category Hero */
        .cat-hero {
            background-color: var(--bg-dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 61, 55, 0.92) 0%, rgba(22, 42, 38, 0.82) 55%, rgba(31, 61, 55, 0.65) 100%);
            z-index: 1;
        }
        .cat-hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }
        .cat-hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            color: #FAF8F4;
        }
        .cat-hero-content h1 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 40px;
            line-height: 1.35;
            color: #FAF8F4;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }
        .cat-hero-content p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(250, 248, 244, 0.88);
            margin-bottom: 0;
        }
        .cat-hero-tag {
            display: inline-block;
            background: rgba(201, 168, 124, 0.25);
            border: 1px solid rgba(201, 168, 124, 0.5);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
        }
        /* Article List */
        .article-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .article-list-item {
            display: flex;
            gap: 24px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-color);
            transition: background-color var(--transition-base), padding-left var(--transition-base);
            border-radius: var(--radius-sm);
        }
        .article-list-item:hover {
            background-color: var(--bg-alt);
            padding-left: 12px;
        }
        .article-list-img {
            flex-shrink: 0;
            width: 240px;
            height: 160px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .article-list-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-list-body {
            flex: 1;
            min-width: 0;
        }
        .article-list-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 19px;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.45;
            display: block;
        }
        .article-list-title a {
            color: var(--color-primary);
        }
        .article-list-title a:hover {
            color: var(--color-accent-deep);
        }
        .article-list-summary {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-list-meta {
            font-size: 13px;
            color: var(--color-accent-deep);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .article-tag {
            display: inline-block;
            background: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent-deep);
            font-size: 12px;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: 50px;
            letter-spacing: 0.03em;
        }
        /* Stats Section */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 8px 12px;
            border-right: 1px solid rgba(201, 168, 124, 0.35);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-number {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 44px;
            line-height: 1.2;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.8);
            line-height: 1.5;
        }
        /* Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
        }
        .topic-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }
        .topic-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .topic-card-body {
            padding: 18px 20px;
        }
        .topic-card-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 17px;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .topic-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        /* Featured Articles */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .featured-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 340px;
            display: block;
        }
        .featured-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .featured-card:hover img {
            transform: scale(1.04);
        }
        .featured-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(22, 42, 38, 0.1) 0%, rgba(22, 42, 38, 0.88) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
        }
        .featured-card-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 20px;
            color: #FAF8F4;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .featured-card-meta {
            font-size: 13px;
            color: rgba(250, 248, 244, 0.75);
        }
        /* FAQ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: border-color var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-body);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            transition: background-color var(--transition-base);
        }
        .faq-question::before {
            content: '';
            width: 18px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
            margin-right: 12px;
            flex-shrink: 0;
        }
        .faq-question:hover {
            background-color: var(--bg-alt);
        }
        .faq-icon {
            font-size: 20px;
            color: var(--color-accent-deep);
            transition: transform var(--transition-base);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            background-color: var(--bg-main);
        }
        .faq-answer-inner {
            padding: 0 22px 20px 52px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        /* Subscribe Form */
        .subscribe-section {
            background-color: var(--bg-dark);
            color: #FAF8F4;
            padding: 56px 0;
        }
        .subscribe-inner {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
        }
        .subscribe-inner h2 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 28px;
            color: #FAF8F4;
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .subscribe-inner p {
            font-size: 15px;
            color: rgba(250, 248, 244, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .subscribe-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            text-align: left;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group-full {
            grid-column: 1 / -1;
        }
        .form-group label {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.85);
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .form-group label .required {
            color: var(--color-warning);
        }
        .form-group input,
        .form-group select {
            padding: 12px 16px;
            border: 1px solid rgba(250, 248, 244, 0.3);
            border-radius: var(--radius-sm);
            background: rgba(250, 248, 244, 0.08);
            color: #FAF8F4;
            font-family: var(--font-body);
            font-size: 15px;
            transition: border-color var(--transition-base), outline var(--transition-base);
        }
        .form-group input::placeholder {
            color: rgba(250, 248, 244, 0.45);
        }
        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(201, 168, 124, 0.35);
        }
        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23FAF8F4' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 40px;
        }
        .form-group select option {
            color: var(--text-main);
            background: #FAF8F4;
        }
        .form-submit {
            grid-column: 1 / -1;
            display: flex;
            justify-content: center;
            margin-top: 8px;
        }
        .form-hint {
            font-size: 13px;
            color: rgba(250, 248, 244, 0.55);
            grid-column: 1 / -1;
            text-align: center;
            margin-top: 4px;
        }
        /* Footer */
        .site-footer {
            background-color: var(--bg-darkest);
            color: #FAF8F4;
            padding: 56px 0 0 0;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(250, 248, 244, 0.12);
        }
        .footer-brand {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 24px;
            color: #FAF8F4;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.7);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 16px;
            color: var(--color-accent);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid ul li {
            margin-bottom: 10px;
        }
        .footer-grid ul a {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.75);
            transition: color var(--transition-base);
        }
        .footer-grid ul a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            padding: 20px 0 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            text-align: center;
            font-size: 13px;
            color: rgba(250, 248, 244, 0.6);
        }
        .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
        }
        .footer-legal a {
            color: rgba(250, 248, 244, 0.7);
        }
        .footer-legal a:hover {
            color: var(--color-accent);
        }
        /* Responsive */
        @media (max-width: 992px) {
            .main-nav {
                gap: 16px;
            }
            .main-nav li a {
                font-size: 14px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(201, 168, 124, 0.25);
                padding: 16px 8px;
            }
            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-bottom: none;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .featured-card {
                height: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .cat-hero {
                padding: 56px 0;
            }
            .cat-hero-content h1 {
                font-size: 30px;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #FAF8F4;
                flex-direction: column;
                padding: 16px 24px 20px;
                gap: 0;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 8px 20px rgba(31, 61, 55, 0.12);
                z-index: 99;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav li a {
                display: block;
                padding: 12px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--border-color);
            }
            .main-nav li:last-child a {
                border-bottom: none;
            }
            .main-nav li a.active::after {
                display: none;
            }
            .main-nav li a.active {
                color: var(--color-accent-deep);
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                width: 100%;
            }
            .nav-cta .btn {
                width: 100%;
            }
            .article-list-item {
                flex-direction: column;
                gap: 14px;
            }
            .article-list-img {
                width: 100%;
                height: 180px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .featured-card {
                height: 240px;
            }
            .subscribe-form {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: auto;
            }
            .form-submit {
                grid-column: auto;
            }
            .form-hint {
                grid-column: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
            .footer-legal {
                flex-direction: column;
                gap: 4px;
            }
            .stat-number {
                font-size: 34px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .cat-hero-content h1 {
                font-size: 26px;
            }
            .cat-hero-content p {
                font-size: 15px;
            }
            .badge {
                font-size: 12px;
                padding: 4px 10px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 28px;
            }
            .stat-label {
                font-size: 12px;
            }
            .article-list-title {
                font-size: 17px;
            }
            .subscribe-inner h2 {
                font-size: 24px;
            }
        }
        /* Foundation overrides */
        .accordion {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
        }
        .accordion-item:hover {
            border-color: var(--color-accent);
        }
        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-family: var(--font-body);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            transition: background-color var(--transition-base);
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .accordion-title::before {
            content: '';
            width: 18px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
            margin-right: 12px;
            flex-shrink: 0;
        }
        .accordion-title:hover {
            background-color: var(--bg-alt);
        }
        .accordion-title .faq-icon {
            font-size: 20px;
            color: var(--color-accent-deep);
            transition: transform var(--transition-base);
            flex-shrink: 0;
            margin-left: 12px;
            font-style: normal;
            font-weight: 400;
        }
        .accordion-item.is-active .faq-icon {
            transform: rotate(45deg);
        }
        .accordion-content {
            padding: 0 22px 20px 52px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            background: var(--bg-main);
            border-top: 1px solid var(--border-color);
        }
        .accordion-content p {
            margin: 0;
            padding-top: 16px;
        }

/* roulang page: category5 */
:root {
            --color-primary: #1F3D37;
            --color-primary-deep: #162A26;
            --color-accent: #C9A87C;
            --color-accent-deep: #8A6B3E;
            --bg-main: #FAF8F4;
            --bg-alt: #F2EEE8;
            --bg-dark: #1F3D37;
            --bg-darkest: #162A26;
            --text-main: #1C1C1E;
            --text-secondary: #4A4A4C;
            --border-color: #E5E0D6;
            --color-success: #3D6B5A;
            --color-warning: #9A5B4F;
            --font-title: 'Noto Serif SC', 'Georgia', 'STSong', 'SimSun', serif;
            --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --radius-sm: 4px;
            --radius-md: 8px;
            --shadow-card: 0 2px 12px rgba(31, 61, 55, 0.08);
            --shadow-hover: 0 6px 24px rgba(31, 61, 55, 0.14);
            --transition-base: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--color-accent-deep);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background-color: var(--bg-alt);
        }
        .section-dark {
            background-color: var(--bg-dark);
            color: #FAF8F4;
        }
        .section-title {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 32px;
            line-height: 1.35;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 18px;
        }
        .badge {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent-deep);
        }
        .badge-light {
            background: rgba(250, 248, 244, 0.12);
            color: #FAF8F4;
            border: 1px solid rgba(250, 248, 244, 0.25);
        }
        .btn {
            display: inline-block;
            font-family: var(--font-body);
            font-size: 15px;
            font-weight: 500;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            letter-spacing: 0.03em;
            border: none;
            line-height: 1.55;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #FAF8F4;
        }
        .btn-primary:hover {
            background-color: var(--color-primary-deep);
            color: #FAF8F4;
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }
        .btn-secondary:hover {
            background-color: var(--bg-alt);
            color: var(--color-primary-deep);
            border-color: var(--color-primary-deep);
        }
        .btn-accent {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
        }
        .btn-accent:hover {
            background-color: var(--color-accent-deep);
            color: #FAF8F4;
        }
        .btn-light {
            background-color: #FAF8F4;
            color: var(--color-primary);
            border: 1.5px solid #FAF8F4;
        }
        .btn-light:hover {
            background-color: var(--bg-alt);
            color: var(--color-primary-deep);
            border-color: var(--bg-alt);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        /* Header / Navigation */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 8px rgba(31, 61, 55, 0.05);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }
        .brand-logo a {
            color: inherit;
            text-decoration: none;
        }
        .brand-logo a:hover {
            color: var(--color-accent-deep);
        }
        .main-nav {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav li {
            margin: 0;
        }
        .main-nav a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
            transition: color var(--transition-base), background-color var(--transition-base), box-shadow var(--transition-base);
        }
        .main-nav a:hover {
            color: var(--color-primary);
            background-color: var(--bg-alt);
        }
        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            border-bottom: 2px solid var(--color-accent);
            border-radius: 0;
            background: transparent;
        }
        .header-cta {
            margin-left: 18px;
            white-space: nowrap;
        }
        @media (max-width: 992px) {
            .main-nav a {
                padding: 6px 8px;
                font-size: 12px;
            }
            .header-cta {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: 60px;
                padding: 10px 0;
            }
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
            }
            .main-nav {
                width: 100%;
                flex-wrap: wrap;
                gap: 2px;
            }
            .main-nav a {
                font-size: 13px;
                padding: 5px 10px;
            }
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border-color);
            padding: 10px 0;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .breadcrumb-bar a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        .breadcrumb-bar a:hover {
            color: var(--color-accent-deep);
        }
        .breadcrumb-bar .current {
            color: var(--color-primary);
            font-weight: 600;
        }
        .breadcrumb-sep {
            margin: 0 8px;
            color: var(--color-accent-deep);
        }
        /* Card */
        .card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-body {
            padding: 20px 22px;
        }
        .card-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 19px;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* Membership H1 Section */
        .cat-hero {
            background: var(--bg-dark);
            color: #FAF8F4;
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .cat-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 320px;
            height: 100%;
            background: rgba(201, 168, 124, 0.12);
            pointer-events: none;
        }
        .cat-hero h1 {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 40px;
            line-height: 1.25;
            color: #FAF8F4;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .cat-hero .h1-sub {
            font-size: 17px;
            color: rgba(250, 248, 244, 0.85);
            line-height: 1.8;
            max-width: 680px;
        }
        .cat-hero .hero-img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-top: 24px;
            border: 1px solid rgba(201, 168, 124, 0.35);
        }
        @media (max-width: 768px) {
            .cat-hero h1 {
                font-size: 28px;
            }
            .cat-hero .hero-img {
                height: 180px;
            }
        }
        /* Membership Benefits List */
        .benefit-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .benefit-item {
            display: grid;
            grid-template-columns: 180px 1fr auto;
            gap: 22px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
        }
        .benefit-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
            transform: translateY(-1px);
        }
        .benefit-img {
            width: 180px;
            height: 130px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .benefit-info {
            flex: 1;
        }
        .benefit-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 19px;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .benefit-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .benefit-tag {
            font-size: 12px;
            color: var(--color-accent-deep);
            background: rgba(201, 168, 124, 0.12);
            padding: 4px 12px;
            border-radius: 50px;
            white-space: nowrap;
        }
        @media (max-width: 768px) {
            .benefit-item {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .benefit-img {
                width: 100%;
                height: 180px;
            }
        }
        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 28px 16px;
            border: 1px solid rgba(201, 168, 124, 0.4);
            border-radius: var(--radius-md);
            background: rgba(250, 248, 244, 0.04);
        }
        .stat-number {
            font-family: var(--font-title);
            font-size: 42px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(250, 248, 244, 0.75);
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 30px;
            }
        }
        /* Tier Cards */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .tier-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 26px 22px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .tier-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }
        .tier-name {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 21px;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .tier-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 14px;
            background: rgba(201, 168, 124, 0.15);
            color: var(--color-accent-deep);
        }
        .tier-features {
            list-style: none;
            margin: 0;
            padding: 0;
            text-align: left;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .tier-features li {
            padding: 5px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tier-features li::before {
            content: '◆';
            color: var(--color-accent);
            font-size: 10px;
        }
        @media (max-width: 768px) {
            .tier-grid {
                grid-template-columns: 1fr;
            }
        }
        /* Featured Articles */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .featured-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .featured-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }
        .featured-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .featured-body {
            padding: 18px 20px;
        }
        .featured-title {
            font-family: var(--font-title);
            font-weight: 600;
            font-size: 17px;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .featured-meta {
            font-size: 13px;
            color: var(--color-accent-deep);
        }
        @media (max-width: 768px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: #fff;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        .faq-item:focus-within {
            border-color: var(--color-accent);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 16px 20px;
            font-family: var(--font-body);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: background-color var(--transition-base);
            letter-spacing: 0.01em;
        }
        .faq-question:hover {
            background-color: var(--bg-alt);
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--color-accent-deep);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
            background: var(--bg-main);
        }
        /* Form */
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .form-group label .required {
            color: var(--color-warning);
        }
        .form-input {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-family: var(--font-body);
            background: #fff;
            color: var(--text-main);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .form-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(201, 168, 124, 0.2);
            outline: none;
        }
        .form-input::placeholder {
            color: #A5A5A7;
        }
        select.form-input {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234A4A4C' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }
        .form-success {
            display: none;
            background: rgba(61, 107, 90, 0.1);
            border: 1px solid var(--color-success);
            color: var(--color-success);
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            margin-top: 14px;
        }
        .form-success.visible {
            display: block;
        }
        /* Footer */
        .site-footer {
            background: var(--bg-darkest);
            color: rgba(250, 248, 244, 0.8);
            padding: 60px 0 30px;
            font-size: 14px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: #FAF8F4;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(250, 248, 244, 0.65);
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 6px;
        }
        .site-footer a {
            color: rgba(250, 248, 244, 0.65);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        .site-footer a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(250, 248, 244, 0.12);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: rgba(250, 248, 244, 0.5);
        }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .footer-legal a {
            color: rgba(250, 248, 244, 0.5);
        }
        .footer-legal a:hover {
            color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .footer-legal {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }