/* roulang page: index */
:root {
            --color-primary: #1F3D35;
            --color-primary-light: #2A5247;
            --color-primary-dark: #162C25;
            --color-accent: #C8934D;
            --color-accent-soft: #D9B27A;
            --color-accent-bg: #EFE3D0;
            --color-bg: #F6F1EA;
            --color-card: #FFFFFF;
            --color-text: #242424;
            --color-muted: #6B6157;
            --color-border: #E5DBCC;
            --color-white: #FFFFFF;
            --color-shadow: rgba(31, 61, 53, 0.06);
            --color-shadow-hover: rgba(31, 61, 53, 0.16);
            --font-serif: 'Noto Serif SC', 'Source Han Serif CN', 'SimSun', Georgia, serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans CN', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --radius-card: 12px;
            --radius-btn: 999px;
            --radius-img: 8px;
            --shadow-default: 0 2px 12px rgba(31, 61, 53, 0.06);
            --shadow-hover: 0 8px 24px rgba(31, 61, 53, 0.16);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
        }

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

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

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

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

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

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

        button,
        input {
            font-family: var(--font-sans);
            font-size: 1rem;
            border: none;
            outline: none;
        }

        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== HEADER ========== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(31, 61, 53, 0.18);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.05em;
            white-space: nowrap;
            line-height: 1.2;
        }

        .logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 0 0 3px rgba(200, 147, 77, 0.25);
        }

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

        .nav-desktop li a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.95rem;
            font-weight: 500;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
            border-radius: 4px 4px 0 0;
            white-space: nowrap;
        }

        .nav-desktop li a:hover {
            color: var(--color-accent-soft);
            background-color: rgba(255, 255, 255, 0.06);
        }

        .nav-desktop li a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            cursor: pointer;
            position: relative;
            z-index: 1002;
            transition: border-color var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--color-accent);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--color-white);
            margin: 4px auto;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .nav-mobile {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background-color: var(--color-primary-dark);
            padding: 80px 24px 32px;
            z-index: 1001;
            box-shadow: -8px 0 24px rgba(0, 0, 0, 0.3);
            transform: translateX(100%);
            transition: transform 0.3s ease;
            list-style: none;
        }

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

        .nav-mobile li {
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .nav-mobile li a {
            display: block;
            padding: 16px 8px;
            color: var(--color-white);
            font-size: 1.05rem;
            font-weight: 500;
            transition: color var(--transition), padding-left var(--transition);
        }

        .nav-mobile li a:hover,
        .nav-mobile li a.active {
            color: var(--color-accent);
            padding-left: 16px;
        }

        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .nav-overlay.show {
            opacity: 1;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            background-color: var(--color-bg);
            padding: 0;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(105deg, #F6F1EA 0%, #F6F1EA 48%, rgba(31, 61, 53, 0.35) 100%);
            z-index: 2;
            pointer-events: none;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 62%;
            height: 100%;
            z-index: 1;
            object-fit: cover;
            object-position: center;
            border-radius: 0;
        }

        .hero .container {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 40px;
            align-items: center;
            padding-top: 80px;
            padding-bottom: 80px;
            min-height: 560px;
        }

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

        .hero-title {
            font-family: var(--font-serif);
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.9;
            color: var(--color-muted);
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 0.98rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
            text-decoration: none;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border: 2px solid var(--color-accent);
        }

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

        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

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

        .hero-side {
            display: flex;
            justify-content: flex-end;
            align-items: center;
        }

        .hero-side-card {
            background-color: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-default);
            max-width: 340px;
            width: 100%;
            text-align: center;
        }

        .hero-side-card .stat-number {
            font-family: var(--font-serif);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .hero-side-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin-top: 6px;
        }

        .hero-side-card .stat-divider {
            width: 48px;
            height: 2px;
            background-color: var(--color-border);
            margin: 16px auto;
        }

        .hero-side-card .stat-desc {
            font-size: 0.85rem;
            color: var(--color-text);
            line-height: 1.7;
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding: var(--section-pad) 0;
        }

        section:nth-child(even) {
            background-color: var(--color-card);
        }

        section:nth-child(odd) {
            background-color: var(--color-bg);
        }

        .section-header {
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.06em;
        }

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 0.98rem;
            color: var(--color-muted);
            line-height: 1.9;
        }

        /* ========== TICKER BAR ========== */
        .ticker-bar {
            background-color: var(--color-primary);
            padding: 16px 0;
            overflow: hidden;
            position: relative;
        }

        .ticker-bar .container {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .ticker-bar .container::-webkit-scrollbar {
            display: none;
        }

        .ticker-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            background-color: rgba(200, 147, 77, 0.16);
            padding: 6px 14px;
            border-radius: 999px;
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: 0.04em;
        }

        .ticker-item {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            flex-shrink: 0;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.88rem;
        }

        .ticker-item .ticker-dot {
            width: 5px;
            height: 5px;
            background-color: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* ========== CARD GRID ========== */
        .card-grid {
            display: grid;
            gap: 24px;
        }

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

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

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

        .card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            object-position: center;
            border-radius: 0;
        }

        .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .card-body h3 {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.45;
            margin: 0;
        }

        .card-body p {
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.8;
            margin: 0;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--color-muted);
            margin-top: auto;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 3px 10px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        /* ========== LIST CARD ========== */
        .list-card {
            display: flex;
            gap: 24px;
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-default);
            transition: box-shadow var(--transition), transform var(--transition);
            align-items: stretch;
        }

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

        .list-card .list-card-img {
            width: 280px;
            min-width: 280px;
            height: 180px;
            object-fit: cover;
            object-position: center;
            border-radius: var(--radius-img);
        }

        .list-card .list-card-body {
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
            padding: 8px 4px;
        }

        .list-card .list-card-body h3 {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.45;
            margin: 0;
        }

        .list-card .list-card-body p {
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.8;
            margin: 0;
            flex: 1;
        }

        /* ========== STATS ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-default);
            transition: box-shadow var(--transition), transform var(--transition);
            border-top: 3px solid var(--color-accent);
        }

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

        .stat-number {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.88rem;
            color: var(--color-muted);
            margin-top: 8px;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            background-color: var(--color-accent-bg);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            box-shadow: var(--shadow-default);
            display: grid;
            grid-template-columns: 0.7fr 1.3fr;
            gap: 40px;
            align-items: center;
        }

        .brand-intro .brand-intro-title {
            font-family: var(--font-serif);
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
        }

        .brand-intro .brand-intro-text {
            font-size: 1rem;
            color: var(--color-text);
            line-height: 2.0;
        }

        .brand-intro .brand-intro-text p {
            margin-bottom: 16px;
        }

        .brand-intro .brand-intro-text p:last-child {
            margin-bottom: 0;
        }

        /* ========== FEATURE CARD ========== */
        .feature-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-default);
            transition: box-shadow var(--transition), transform var(--transition);
            border-left: 4px solid var(--color-accent);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .feature-card h3 {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.45;
            margin: 0;
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== ACCORDION ========== */
        .accordion {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-default);
        }

        .accordion-item {
            border-bottom: 1px solid var(--color-border);
        }

        .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            background: transparent;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: background-color var(--transition), color var(--transition);
            border-left: 3px solid transparent;
            gap: 16px;
        }

        .accordion-btn:hover {
            background-color: var(--color-accent-bg);
            color: var(--color-primary);
        }

        .accordion-btn.active {
            border-left-color: var(--color-accent);
            color: var(--color-primary);
            background-color: rgba(200, 147, 77, 0.06);
        }

        .accordion-icon {
            font-size: 1.4rem;
            color: var(--color-accent);
            font-weight: 400;
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .accordion-btn.active .accordion-icon {
            transform: rotate(45deg);
        }

        .accordion-panel {
            display: none;
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.9;
            border-left: 3px solid var(--color-accent);
            margin-left: 24px;
        }

        .accordion-panel.show {
            display: block;
        }

        /* ========== FORM ========== */
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            width: 100%;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            padding: 14px 18px;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            background-color: var(--color-white);
            font-size: 0.95rem;
            color: var(--color-text);
            transition: border-color var(--transition), box-shadow var(--transition);
            min-width: 0;
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 147, 77, 0.2);
        }

        .subscribe-form .btn {
            flex-shrink: 0;
        }

        .subscribe-success {
            display: none;
            font-size: 0.9rem;
            color: var(--color-primary);
            background-color: rgba(31, 61, 53, 0.08);
            padding: 12px 20px;
            border-radius: 8px;
            margin-top: 16px;
            max-width: 520px;
        }

        .subscribe-success.show {
            display: block;
            animation: fadeIn 0.4s ease;
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background-color: var(--color-primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 32px;
            margin-top: 0;
        }

        .site-footer .container {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 40px;
        }

        .site-footer .footer-col h3 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }

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

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

        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition);
        }

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

        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .logo-dot {
            width: 8px;
            height: 8px;
            background-color: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.82rem;
            transition: color var(--transition);
        }

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

        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-muted);
            padding: 20px 0 0;
        }

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

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

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .container {
                padding: 0 20px;
            }
            .hero-title {
                font-size: 2.7rem;
            }
        }

        @media (max-width: 992px) {
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .hero-side {
                justify-content: flex-start;
            }
            .hero-side-card {
                max-width: 100%;
                text-align: left;
            }
            .hero::before {
                background: linear-gradient(180deg, #F6F1EA 0%, #F6F1EA 60%, rgba(31, 61, 53, 0.3) 100%);
            }
            .hero-bg {
                width: 100%;
                height: 45%;
                top: auto;
                bottom: 0;
                right: 0;
                left: 0;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 32px 24px;
            }
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .list-card {
                flex-direction: column;
                gap: 16px;
            }
            .list-card .list-card-img {
                width: 100%;
                min-width: auto;
                height: 200px;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-mobile {
                display: block;
            }
            .nav-overlay {
                display: block;
            }
            section {
                padding: var(--section-pad-mobile) 0;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero {
                min-height: 480px;
            }
            .hero .container {
                min-height: 480px;
            }
            .card-grid-3,
            .card-grid-4,
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .ticker-bar .container {
                gap: 12px;
            }
            .hero-side-card .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 576px) {
            body {
                font-size: 15px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 12px 20px;
                font-size: 0.88rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .card-body {
                padding: 18px;
            }
            .accordion-btn {
                padding: 16px 18px;
                font-size: 0.92rem;
            }
            .accordion-panel {
                padding: 0 16px 16px;
                margin-left: 16px;
                font-size: 0.85rem;
            }
            .brand-intro {
                padding: 24px 18px;
            }
            .brand-intro .brand-intro-title {
                font-size: 1.6rem;
            }
            .site-footer {
                padding: 40px 0 24px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1F3D35;
            --color-primary-light: #2A5247;
            --color-primary-dark: #162C25;
            --color-accent: #C8934D;
            --color-accent-soft: #D9B27A;
            --color-accent-bg: #EFE3D0;
            --color-bg: #F6F1EA;
            --color-card: #FFFFFF;
            --color-text: #242424;
            --color-muted: #6B6157;
            --color-border: #E5DBCC;
            --color-white: #FFFFFF;
            --color-shadow: rgba(31, 61, 53, 0.06);
            --color-shadow-hover: rgba(31, 61, 53, 0.16);
            --font-serif: 'Noto Serif SC', 'Source Han Serif CN', 'SimSun', Georgia, serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans CN', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --radius-card: 12px;
            --radius-btn: 999px;
            --radius-img: 8px;
            --shadow-default: 0 2px 12px rgba(31, 61, 53, 0.06);
            --shadow-hover: 0 8px 24px rgba(31, 61, 53, 0.16);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-img);
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        button,
        input {
            font-family: var(--font-sans);
            font-size: 1rem;
            border: none;
            outline: none;
        }
        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(31, 61, 53, 0.18);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.05em;
            white-space: nowrap;
            line-height: 1.2;
        }
        .logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 0 0 3px rgba(200, 147, 77, 0.25);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-desktop li a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.95rem;
            font-weight: 500;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
            border-radius: 4px 4px 0 0;
            white-space: nowrap;
        }
        .nav-desktop li a:hover {
            color: var(--color-accent-soft);
            background-color: rgba(255, 255, 255, 0.06);
        }
        .nav-desktop li a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            cursor: pointer;
            position: relative;
            z-index: 1002;
            transition: border-color var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--color-accent);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--color-white);
            margin: 4px auto;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .nav-mobile {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background-color: var(--color-primary-dark);
            padding: 80px 24px 32px;
            z-index: 1001;
            box-shadow: -8px 0 24px rgba(0, 0, 0, 0.3);
            transform: translateX(100%);
            transition: transform var(--transition);
            overflow-y: auto;
        }
        .nav-mobile.open {
            transform: translateX(0);
        }
        .nav-mobile ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-mobile ul li {
            border-bottom: 1px solid rgba(229, 219, 204, 0.2);
        }
        .nav-mobile ul li a {
            display: block;
            padding: 14px 4px;
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 500;
            transition: color var(--transition);
        }
        .nav-mobile ul li a:hover,
        .nav-mobile ul li a.active {
            color: var(--color-accent);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: 24px 0 0;
            background-color: var(--color-bg);
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--color-muted);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-nav .sep {
            color: var(--color-border);
        }
        .breadcrumb-nav .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            padding: 40px 0 32px;
            background-color: var(--color-bg);
        }
        .category-hero .container {
            max-width: var(--container-max);
        }
        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 2.75rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .category-hero .lead {
            font-size: 1.1rem;
            color: var(--color-muted);
            max-width: 780px;
            margin-bottom: 0;
            line-height: 1.9;
        }

        /* ========== ARTICLE LIST ========== */
        .article-list-section {
            padding: 32px 0 56px;
            background-color: var(--color-bg);
        }
        .article-list-grid {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-list-item {
            display: flex;
            align-items: stretch;
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-default);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            border: 1px solid var(--color-border);
        }
        .article-list-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .article-list-item .article-thumb {
            flex: 0 0 40%;
            max-width: 40%;
            position: relative;
            overflow: hidden;
            border-radius: 0;
        }
        .article-list-item .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition);
        }
        .article-list-item:hover .article-thumb img {
            transform: scale(1.03);
        }
        .article-list-item .article-body {
            flex: 0 0 60%;
            max-width: 60%;
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .article-list-item .article-tag {
            display: inline-block;
            padding: 4px 14px;
            background-color: var(--color-accent-bg);
            color: var(--color-primary);
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 999px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .article-list-item .article-title {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .article-list-item .article-excerpt {
            font-size: 0.925rem;
            color: var(--color-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .article-list-item .article-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-top: 10px;
            transition: color var(--transition), gap var(--transition);
        }
        .article-list-item .article-link:hover {
            color: var(--color-primary);
            gap: 8px;
        }
        .article-list-more {
            display: flex;
            justify-content: center;
            margin-top: 32px;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background-color var(--transition), color var(--transition), box-shadow var(--transition);
            border: none;
            text-align: center;
        }
        .btn-accent:hover {
            background-color: var(--color-primary);
            color: var(--color-white);
            box-shadow: 0 6px 18px rgba(31, 61, 53, 0.2);
        }

        /* ========== STATS BAR ========== */
        .stats-section {
            padding: 40px 0;
            background-color: var(--color-primary);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 12px 8px;
        }
        .stat-item .stat-number {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.3;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 4px;
        }

        /* ========== RELATED TOPICS ========== */
        .related-topics-section {
            padding: 56px 0;
            background-color: var(--color-bg);
        }
        .related-topics-section .section-heading {
            text-align: center;
            margin-bottom: 36px;
        }
        .related-topics-section .section-heading h2 {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .related-topics-section .section-heading p {
            font-size: 0.95rem;
            color: var(--color-muted);
            margin-bottom: 0;
        }
        .topic-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-default);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .topic-card .topic-icon {
            width: 48px;
            height: 48px;
            background-color: var(--color-accent-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1.3rem;
        }
        .topic-card h3 {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .topic-card p {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .topic-card a {
            color: inherit;
        }
        .topic-card a:hover {
            color: inherit;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 56px 0;
            background-color: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .faq-section .section-heading {
            margin-bottom: 32px;
        }
        .faq-section .section-heading h2 {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .faq-section .section-heading p {
            font-size: 0.95rem;
            color: var(--color-muted);
            margin-bottom: 0;
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            background: none;
            text-align: left;
            padding: 18px 4px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition);
            border: none;
            outline: none;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--color-accent-bg);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: transform var(--transition), background-color var(--transition), color var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background-color: var(--color-accent);
            color: var(--color-white);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 4px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 4px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== FEATURED READING ========== */
        .featured-reading-section {
            padding: 56px 0;
            background-color: var(--color-bg);
        }
        .featured-reading-section .section-heading {
            margin-bottom: 32px;
        }
        .featured-reading-section .section-heading h2 {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .featured-reading-section .section-heading p {
            font-size: 0.95rem;
            color: var(--color-muted);
            margin-bottom: 0;
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .featured-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-default);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .featured-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .featured-card .featured-body {
            padding: 18px 20px 20px;
        }
        .featured-card .featured-tag {
            display: inline-block;
            padding: 3px 12px;
            background-color: var(--color-accent-bg);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 999px;
            margin-bottom: 8px;
        }
        .featured-card h3 {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .featured-card .featured-excerpt {
            font-size: 0.85rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-section {
            padding: 64px 0;
            background-color: var(--color-primary);
        }
        .subscribe-section .section-heading {
            text-align: center;
            margin-bottom: 24px;
        }
        .subscribe-section .section-heading h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 8px;
        }
        .subscribe-section .section-heading p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0;
        }
        .subscribe-form {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            max-width: 540px;
            margin: 0 auto;
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            padding: 8px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .subscribe-form .email-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-muted);
            font-size: 1.1rem;
        }
        .subscribe-form input {
            flex: 1;
            background: none;
            border: none;
            padding: 8px 12px;
            font-size: 0.95rem;
            color: var(--color-text);
            outline: none;
            min-width: 0;
        }
        .subscribe-form input::placeholder {
            color: var(--color-muted);
            opacity: 0.7;
        }
        .subscribe-form button {
            flex-shrink: 0;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background-color var(--transition), color var(--transition);
            border: none;
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background-color: var(--color-primary-dark);
            color: var(--color-white);
        }
        .subscribe-success {
            text-align: center;
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-top: 12px;
            display: none;
        }
        .subscribe-success.show {
            display: block;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background-color: var(--color-primary-dark);
            padding: 56px 0 24px;
            color: rgba(255, 255, 255, 0.8);
        }
        .site-footer .container {
            padding-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-white);
        }
        .footer-brand .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 0 0 3px rgba(200, 147, 77, 0.25);
        }
        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 14px;
            margin-bottom: 0;
            line-height: 1.8;
            max-width: 360px;
        }
        .site-footer h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 16px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(229, 219, 204, 0.2);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-bottom .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-mobile {
                display: block;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .topic-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .category-hero h1 {
                font-size: 2rem;
            }
            .article-list-item {
                flex-direction: column;
            }
            .article-list-item .article-thumb {
                flex: 0 0 auto;
                max-width: 100%;
                width: 100%;
                height: 200px;
                overflow: hidden;
            }
            .article-list-item .article-body {
                flex: 0 0 auto;
                max-width: 100%;
                width: 100%;
                padding: 20px;
            }
            .article-list-item .article-title {
                font-size: 1.1rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .topic-cards-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .subscribe-form {
                flex-wrap: wrap;
                padding: 12px;
            }
            .subscribe-form input {
                flex: 1 1 100%;
                padding: 10px 12px;
            }
            .subscribe-form button {
                flex: 1 1 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 576px) {
            body {
                font-size: 15px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .lead {
                font-size: 0.95rem;
            }
            .article-list-item .article-thumb {
                height: 160px;
            }
            .article-list-item .article-body {
                padding: 16px;
            }
            .article-list-item .article-title {
                font-size: 1rem;
            }
            .stat-item .stat-number {
                font-size: 1.5rem;
            }
            .stat-item .stat-label {
                font-size: 0.8rem;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 2px;
            }
            .faq-answer p {
                font-size: 0.85rem;
            }
            .section-heading h2 {
                font-size: 1.5rem !important;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1F3D35;
            --color-primary-light: #2A5247;
            --color-primary-dark: #162C25;
            --color-accent: #C8934D;
            --color-accent-soft: #D9B27A;
            --color-accent-bg: #EFE3D0;
            --color-bg: #F6F1EA;
            --color-card: #FFFFFF;
            --color-text: #242424;
            --color-muted: #6B6157;
            --color-border: #E5DBCC;
            --color-white: #FFFFFF;
            --color-shadow: rgba(31, 61, 53, 0.06);
            --color-shadow-hover: rgba(31, 61, 53, 0.16);
            --font-serif: 'Noto Serif SC', 'Source Han Serif CN', 'SimSun', Georgia, serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans CN', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --radius-card: 12px;
            --radius-btn: 999px;
            --radius-img: 8px;
            --shadow-default: 0 2px 12px rgba(31, 61, 53, 0.06);
            --shadow-hover: 0 8px 24px rgba(31, 61, 53, 0.16);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-img);
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        button,
        input {
            font-family: var(--font-sans);
            font-size: 1rem;
            border: none;
            outline: none;
        }
        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== HEADER ========== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(31, 61, 53, 0.18);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.05em;
            white-space: nowrap;
            line-height: 1.2;
        }
        .logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 0 0 3px rgba(200, 147, 77, 0.25);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-desktop li a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.95rem;
            font-weight: 500;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
            border-radius: 4px 4px 0 0;
            white-space: nowrap;
        }
        .nav-desktop li a:hover {
            color: var(--color-accent-soft);
            background-color: rgba(255, 255, 255, 0.06);
        }
        .nav-desktop li a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            cursor: pointer;
            position: relative;
            z-index: 1002;
            transition: border-color var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--color-accent);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--color-white);
            margin: 4px auto;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .mobile-overlay.show {
            opacity: 1;
        }
        .nav-mobile {
            display: none;
            position: fixed;
            top: 0;
            right: -280px;
            width: 280px;
            height: 100vh;
            background-color: var(--color-primary-dark);
            padding: 80px 24px 32px;
            z-index: 1001;
            box-shadow: -8px 0 24px rgba(0, 0, 0, 0.3);
            transition: right var(--transition);
        }
        .nav-mobile.open {
            right: 0;
        }
        .nav-mobile ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-mobile li {
            border-bottom: 1px solid rgba(229, 219, 204, 0.2);
        }
        .nav-mobile li a {
            display: block;
            padding: 14px 8px;
            color: var(--color-white);
            font-size: 1.05rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .nav-mobile li a:hover {
            color: var(--color-accent-soft);
            padding-left: 16px;
        }
        .nav-mobile li a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: 28px 0 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-muted);
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-nav li:not(:last-child)::after {
            content: '>';
            color: var(--color-border);
            font-size: 0.8rem;
        }
        .breadcrumb-nav li a {
            color: var(--color-muted);
            transition: color var(--transition);
        }
        .breadcrumb-nav li a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-nav li:last-child {
            color: var(--color-primary);
            font-weight: 500;
        }
        /* ========== CATEGORY HEADER ========== */
        .category-header {
            padding: 40px 0 32px;
        }
        .category-header .container {
            max-width: var(--container-max);
        }
        .category-header h1 {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 16px;
            line-height: 1.35;
            letter-spacing: 0.02em;
        }
        .category-header .lead {
            font-size: 1.05rem;
            color: var(--color-muted);
            max-width: 720px;
            line-height: 1.85;
            margin: 0;
        }
        /* ========== CATEGORY LIST ========== */
        .category-list-section {
            padding: 24px 0 48px;
        }
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .article-card {
            display: flex;
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            transition: transform var(--transition), box-shadow var(--transition);
            gap: 0;
        }
        .article-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .article-card .article-thumb {
            flex: 0 0 40%;
            max-width: 40%;
            overflow: hidden;
            border-radius: var(--radius-card) 0 0 var(--radius-card);
        }
        .article-card .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            min-height: 200px;
        }
        .article-card .article-body {
            flex: 1;
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .article-card .article-tag {
            display: inline-block;
            background: var(--color-accent-bg);
            color: var(--color-primary);
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 999px;
            width: fit-content;
            margin-bottom: 12px;
            font-weight: 500;
        }
        .article-card .article-title {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 10px;
            line-height: 1.5;
        }
        .article-card .article-summary {
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin: 0 0 14px;
        }
        .article-card .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--color-muted);
        }
        .article-card .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .article-card .article-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-border);
        }
        .article-card .read-more-link {
            display: inline-block;
            margin-top: 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-accent);
            transition: color var(--transition);
        }
        .article-card .read-more-link:hover {
            color: var(--color-primary);
        }
        .load-more-wrap {
            text-align: center;
            padding: 32px 0 8px;
        }
        .btn-outline-dark-green {
            display: inline-block;
            padding: 10px 28px;
            border: 1.5px solid var(--color-primary);
            border-radius: var(--radius-btn);
            color: var(--color-primary);
            font-size: 0.95rem;
            background: transparent;
            transition: background-color var(--transition), color var(--transition), border-color var(--transition);
            cursor: pointer;
        }
        .btn-outline-dark-green:hover {
            background-color: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }
        /* ========== DATA STRIP ========== */
        .data-strip-section {
            padding: 48px 0;
            background: var(--color-primary);
            border-radius: var(--radius-card);
            margin-bottom: 48px;
        }
        .data-strip-section .container {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: space-between;
            align-items: center;
        }
        .data-item {
            flex: 1 1 200px;
            text-align: center;
            padding: 16px 20px;
        }
        .data-item .data-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-serif);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .data-item .data-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
        }
        .data-item + .data-item {
            border-left: 1px solid rgba(255, 255, 255, 0.2);
        }
        /* ========== RELATED TOPICS ========== */
        .related-topics-section {
            padding: 48px 0 56px;
        }
        .section-heading {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-heading h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 12px;
            line-height: 1.4;
        }
        .section-heading p {
            font-size: 0.95rem;
            color: var(--color-muted);
            margin: 0;
        }
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            box-shadow: var(--shadow-default);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .topic-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent-soft);
        }
        .topic-card .topic-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--color-accent-bg);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 16px;
            font-weight: 700;
            font-family: var(--font-serif);
        }
        .topic-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .topic-card p {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin: 0 0 16px;
            line-height: 1.6;
            flex: 1;
        }
        .topic-card a {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-accent);
        }
        .topic-card a:hover {
            color: var(--color-primary);
        }
        /* ========== FAQ ========== */
        .faq-section {
            padding: 48px 0 56px;
            background: var(--color-white);
            border-radius: var(--radius-card);
            margin-bottom: 48px;
        }
        .faq-section .container {
            max-width: 800px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 18px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.6;
            padding: 4px 0;
            gap: 16px;
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent-bg);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 400;
            transition: transform var(--transition), background-color var(--transition);
        }
        .faq-question.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: var(--color-white);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer.open {
            max-height: 300px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.75;
            margin: 12px 0 0;
            padding-left: 8px;
            border-left: 3px solid var(--color-accent);
        }
        /* ========== FEATURED ARTICLES ========== */
        .featured-section {
            padding: 48px 0 56px;
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .featured-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .featured-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .featured-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .featured-card .featured-body {
            padding: 18px 20px 20px;
        }
        .featured-card .featured-tag {
            display: inline-block;
            background: var(--color-accent-bg);
            color: var(--color-primary);
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 10px;
            font-weight: 500;
        }
        .featured-card h3 {
            font-family: var(--font-serif);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .featured-card p {
            font-size: 0.82rem;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.6;
        }
        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-section {
            padding: 48px 0 56px;
        }
        .subscribe-card {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--shadow-default);
        }
        .subscribe-card h2 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 12px;
            line-height: 1.4;
        }
        .subscribe-card p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 28px;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            align-items: center;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            padding: 6px;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        .subscribe-form .input-icon {
            color: rgba(255, 255, 255, 0.7);
            padding-left: 12px;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .subscribe-form input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--color-white);
            font-size: 0.95rem;
            padding: 10px 0;
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .subscribe-form input:focus {
            outline: none;
            border: none;
        }
        .subscribe-form .btn-accent {
            background: var(--color-accent);
            color: var(--color-primary);
            padding: 12px 24px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background-color var(--transition), color var(--transition);
            white-space: nowrap;
            border: none;
        }
        .subscribe-form .btn-accent:hover {
            background: var(--color-accent-soft);
            color: var(--color-primary-dark);
        }
        .subscribe-success {
            color: var(--color-accent-soft);
            font-size: 0.9rem;
            margin-top: 12px;
            display: none;
        }
        .subscribe-success.show {
            display: block;
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background-color: var(--color-primary);
            padding: 48px 0 24px;
            margin-top: 24px;
            color: rgba(255, 255, 255, 0.85);
        }
        .site-footer .container {
            padding-top: 0;
        }
        .site-footer .footer-row {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(229, 219, 204, 0.2);
        }
        .site-footer .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent);
            border-radius: 50%;
        }
        .site-footer .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            max-width: 320px;
        }
        .site-footer h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-white);
            margin: 0 0 16px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent-soft);
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding-top: 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
        }
        .site-footer .footer-links {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.7);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent-soft);
        }
        .site-footer .footer-links span {
            color: rgba(255, 255, 255, 0.4);
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .container {
                padding: 0 20px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 992px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-card .article-thumb {
                flex: 0 0 35%;
                max-width: 35%;
            }
            .data-item + .data-item {
                border-left: none;
            }
            .data-item {
                flex: 1 1 40%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.15);
                padding: 16px 10px;
            }
            .data-item:nth-last-child(-n+2) {
                border-bottom: none;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-mobile {
                display: block;
            }
            .mobile-overlay {
                display: block;
                pointer-events: none;
            }
            .mobile-overlay.show {
                pointer-events: auto;
            }
            .category-header h1 {
                font-size: 1.8rem;
            }
            .article-card {
                flex-direction: column;
            }
            .article-card .article-thumb {
                flex: 0 0 auto;
                max-width: 100%;
                border-radius: var(--radius-card) var(--radius-card) 0 0;
                max-height: 220px;
            }
            .article-card .article-thumb img {
                border-radius: var(--radius-card) var(--radius-card) 0 0;
                min-height: auto;
                max-height: 220px;
            }
            .article-card .article-body {
                padding: 18px 20px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-card {
                padding: 32px 20px;
            }
            .site-footer .footer-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .data-strip-section .container {
                gap: 8px;
            }
            .data-item {
                flex: 1 1 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            }
            .data-item:last-child {
                border-bottom: none;
            }
        }
        @media (max-width: 576px) {
            body {
                font-size: 15px;
            }
            .category-header h1 {
                font-size: 1.5rem;
            }
            .section-heading h2 {
                font-size: 1.4rem;
            }
            .article-card .article-title {
                font-size: 1.05rem;
            }
            .subscribe-form {
                flex-direction: column;
                gap: 8px;
                padding: 10px;
            }
            .subscribe-form .btn-accent {
                width: 100%;
            }
            .subscribe-form .input-icon {
                display: none;
            }
            :root {
                --section-pad: 40px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1F3D35;
            --color-primary-light: #2A5247;
            --color-primary-dark: #162C25;
            --color-accent: #C8934D;
            --color-accent-soft: #D9B27A;
            --color-accent-bg: #EFE3D0;
            --color-bg: #F6F1EA;
            --color-card: #FFFFFF;
            --color-text: #242424;
            --color-muted: #6B6157;
            --color-border: #E5DBCC;
            --color-white: #FFFFFF;
            --color-shadow: rgba(31, 61, 53, 0.06);
            --color-shadow-hover: rgba(31, 61, 53, 0.16);
            --font-serif: 'Noto Serif SC', 'Source Han Serif CN', 'SimSun', Georgia, serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans CN', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --radius-card: 12px;
            --radius-btn: 999px;
            --radius-img: 8px;
            --shadow-default: 0 2px 12px rgba(31, 61, 53, 0.06);
            --shadow-hover: 0 8px 24px rgba(31, 61, 53, 0.16);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-img);
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        button,
        input {
            font-family: var(--font-sans);
            font-size: 1rem;
            border: none;
            outline: none;
        }
        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(31, 61, 53, 0.18);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.05em;
            white-space: nowrap;
            line-height: 1.2;
        }
        .logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 0 0 3px rgba(200, 147, 77, 0.25);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-desktop li a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.95rem;
            font-weight: 500;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
            border-radius: 4px 4px 0 0;
            white-space: nowrap;
        }
        .nav-desktop li a:hover {
            color: var(--color-accent-soft);
            background-color: rgba(255, 255, 255, 0.06);
        }
        .nav-desktop li a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            cursor: pointer;
            position: relative;
            z-index: 1002;
            transition: border-color var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--color-accent);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--color-white);
            margin: 4px auto;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .nav-mobile {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background-color: var(--color-primary-dark);
            padding: 80px 24px 32px;
            z-index: 1001;
            box-shadow: -8px 0 24px rgba(0, 0, 0, 0.3);
            transform: translateX(100%);
            transition: transform 0.3s ease;
            overflow-y: auto;
        }
        .nav-mobile.open {
            transform: translateX(0);
        }
        .nav-mobile ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-mobile li a {
            display: block;
            padding: 14px 12px;
            color: var(--color-white);
            font-size: 1.05rem;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: color var(--transition), padding-left var(--transition);
            border-radius: 6px;
        }
        .nav-mobile li a:hover {
            color: var(--color-accent-soft);
            padding-left: 20px;
        }
        .nav-mobile li a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .nav-backdrop {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.45);
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .nav-backdrop.show {
            opacity: 1;
            visibility: visible;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            background-color: var(--color-accent-bg);
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
        }
        .breadcrumb-wrap .breadcrumb-nav {
            list-style: none;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin: 0;
            padding: 0;
            font-size: 0.9rem;
        }
        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--color-muted);
        }
        .breadcrumb-nav li a {
            color: var(--color-primary);
            font-weight: 500;
        }
        .breadcrumb-nav li a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-nav li::after {
            content: '/';
            color: var(--color-muted);
            margin-left: 6px;
        }
        .breadcrumb-nav li:last-child::after {
            display: none;
        }
        .breadcrumb-nav li.current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== CATEGORY HEADER ========== */
        .category-header {
            padding: 48px 0 32px;
            background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bg) 100%);
        }
        .category-header .cat-tag {
            display: inline-block;
            background-color: var(--color-accent-bg);
            color: var(--color-primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }
        .category-header h1 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 14px;
        }
        .category-header .cat-intro {
            font-size: 1.05rem;
            color: var(--color-muted);
            max-width: 740px;
            line-height: 1.9;
            margin-bottom: 0;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-white {
            background-color: var(--color-card);
        }
        .section-alt {
            background-color: var(--color-accent-bg);
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .section-subtitle {
            color: var(--color-muted);
            font-size: 0.95rem;
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        /* ========== ARTICLE LIST ========== */
        .article-list-item {
            display: flex;
            gap: 24px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-default);
            transition: box-shadow var(--transition), transform var(--transition);
            margin-bottom: 20px;
            align-items: center;
        }
        .article-list-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .article-list-thumb {
            flex: 0 0 32%;
            max-width: 32%;
            overflow: hidden;
            border-radius: var(--radius-img);
            aspect-ratio: 16 / 10;
        }
        .article-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-img);
            transition: transform var(--transition);
        }
        .article-list-item:hover .article-list-thumb img {
            transform: scale(1.04);
        }
        .article-list-body {
            flex: 1;
            min-width: 0;
        }
        .article-list-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-bg);
            padding: 2px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
        }
        .article-list-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .article-list-excerpt {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .article-list-meta {
            font-size: 0.8rem;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .article-list-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== DATA STRIP ========== */
        .data-strip {
            background-color: var(--color-primary);
            padding: 40px 0;
            border-radius: var(--radius-card);
            margin: 0 0 var(--section-pad) 0;
        }
        .data-strip .data-item {
            text-align: center;
            padding: 12px 16px;
        }
        .data-strip .data-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-serif);
            line-height: 1.3;
        }
        .data-strip .data-label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
        }

        /* ========== TOPIC ENTRY ========== */
        .topic-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-entry-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-default);
            transition: box-shadow var(--transition), transform var(--transition);
            display: block;
            text-align: center;
        }
        .topic-entry-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            color: var(--color-primary);
        }
        .topic-entry-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--color-accent-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
        }
        .topic-entry-name {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .topic-entry-desc {
            font-size: 0.85rem;
            color: var(--color-muted);
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-list {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-default);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            transition: background-color var(--transition);
        }
        .faq-question:hover {
            background-color: var(--color-accent-bg);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--color-accent-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary);
            transition: transform var(--transition);
            font-size: 1.1rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background-color: var(--color-accent);
            color: var(--color-white);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px 60px;
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.85;
        }

        /* ========== FEATURED CARDS ========== */
        .featured-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .featured-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .featured-card-img {
            height: 180px;
            overflow: hidden;
            border-radius: 0;
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition);
        }
        .featured-card:hover .featured-card-img img {
            transform: scale(1.05);
        }
        .featured-card-body {
            padding: 18px 20px;
        }
        .featured-card-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .featured-card-desc {
            font-size: 0.85rem;
            color: var(--color-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== CTA ========== */
        .cta-wrap {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .cta-text h2 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 8px;
        }
        .cta-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .subscribe-form {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--color-white);
            border-radius: 999px;
            padding: 4px 4px 4px 18px;
            flex: 0 0 auto;
            min-width: 320px;
            max-width: 440px;
        }
        .subscribe-form input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 0.95rem;
            color: var(--color-text);
            padding: 8px 8px;
            min-width: 0;
            outline: none;
        }
        .subscribe-form button {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 999px;
            cursor: pointer;
            transition: background-color var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background-color: var(--color-primary-dark);
            color: var(--color-white);
        }
        .subscribe-success {
            color: var(--color-accent-soft);
            font-size: 0.85rem;
            margin-top: 8px;
            display: none;
        }
        .subscribe-success.show {
            display: block;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background-color: var(--color-primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .site-footer .container.footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .logo-dot {
            display: inline-block;
            width: 9px;
            height: 9px;
            background-color: var(--color-accent);
            border-radius: 50%;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .site-footer h3 {
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            font-family: var(--font-sans);
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent-soft);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.8rem;
        }
        .footer-bottom a:hover {
            color: var(--color-accent-soft);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .topic-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-mobile {
                display: block;
            }
            .article-list-item {
                flex-direction: column;
                align-items: stretch;
            }
            .article-list-thumb {
                flex: 0 0 auto;
                max-width: 100%;
                aspect-ratio: 16 / 9;
            }
            .cta-wrap {
                flex-direction: column;
                text-align: center;
            }
            .subscribe-form {
                min-width: 100%;
                max-width: 100%;
            }
            .site-footer .container.footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .topic-entry-grid {
                grid-template-columns: 1fr;
            }
            .featured-card-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .container.footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links {
                justify-content: center;
                flex-wrap: wrap;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .category-header h1 {
                font-size: 28px;
            }
            .data-strip .data-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 576px) {
            body {
                font-size: 15px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .article-list-title {
                font-size: 1.05rem;
            }
            .cta-wrap {
                padding: 32px 20px;
            }
            .subscribe-form {
                flex-direction: column;
                border-radius: 12px;
                padding: 14px;
                gap: 10px;
            }
            .subscribe-form input {
                text-align: center;
            }
            .subscribe-form button {
                width: 100%;
            }
            .breadcrumb-wrap {
                padding: 12px 0;
            }
            .breadcrumb-nav {
                font-size: 0.8rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1F3D35;
            --color-primary-light: #2A5247;
            --color-primary-dark: #162C25;
            --color-accent: #C8934D;
            --color-accent-soft: #D9B27A;
            --color-accent-bg: #EFE3D0;
            --color-bg: #F6F1EA;
            --color-card: #FFFFFF;
            --color-text: #242424;
            --color-muted: #6B6157;
            --color-border: #E5DBCC;
            --color-white: #FFFFFF;
            --color-shadow: rgba(31, 61, 53, 0.06);
            --color-shadow-hover: rgba(31, 61, 53, 0.16);
            --font-serif: 'Noto Serif SC', 'Source Han Serif CN', 'SimSun', Georgia, serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans CN', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --radius-card: 12px;
            --radius-btn: 999px;
            --radius-img: 8px;
            --shadow-default: 0 2px 12px rgba(31, 61, 53, 0.06);
            --shadow-hover: 0 8px 24px rgba(31, 61, 53, 0.16);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
        }

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

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

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

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

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

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

        button,
        input {
            font-family: var(--font-sans);
            font-size: 1rem;
            border: none;
            outline: none;
        }

        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        /* ========== HEADER ========== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(31, 61, 53, 0.18);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.05em;
            white-space: nowrap;
            line-height: 1.2;
        }

        .logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 0 0 3px rgba(200, 147, 77, 0.25);
        }

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

        .nav-desktop li a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.95rem;
            font-weight: 500;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
            border-radius: 4px 4px 0 0;
            white-space: nowrap;
        }

        .nav-desktop li a:hover {
            color: var(--color-accent-soft);
            background-color: rgba(255, 255, 255, 0.06);
        }

        .nav-desktop li a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            cursor: pointer;
            position: relative;
            z-index: 1002;
            transition: border-color var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--color-accent);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--color-white);
            margin: 4px auto;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

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

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background-color: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-muted);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

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

        .breadcrumb-nav li:not(:last-child)::after {
            content: '>';
            color: var(--color-border);
            font-size: 0.8rem;
            margin-left: 4px;
        }

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

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

        .breadcrumb-nav li:last-child {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* ========== PAGE HEADER ========== */
        .page-header-section {
            padding: 56px 0 32px;
            background-color: var(--color-bg);
        }

        .page-header-section h1 {
            font-family: var(--font-serif);
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .page-header-section .page-intro {
            font-size: 1.05rem;
            color: var(--color-muted);
            max-width: 760px;
            line-height: 1.9;
        }

        /* ========== ARTICLE LIST ========== */
        .article-list-section {
            padding: 32px 0 56px;
        }

        .article-list-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .article-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-default);
            overflow: hidden;
            display: flex;
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .article-card-img {
            width: 40%;
            min-height: 180px;
            flex-shrink: 0;
            overflow: hidden;
            border-radius: var(--radius-card) 0 0 var(--radius-card);
        }

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

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

        .article-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 10px;
            font-weight: 500;
            letter-spacing: 0.03em;
            width: fit-content;
        }

        .article-card h2 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.5;
            margin-bottom: 8px;
            font-family: var(--font-sans);
        }

        .article-card p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }

        /* ========== STATS BAR ========== */
        .stats-section {
            padding: 40px 0;
            background-color: var(--color-primary);
        }

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

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

        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-serif);
            line-height: 1.3;
        }

        .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        /* ========== TOPIC ENTRIES ========== */
        .topic-section {
            padding: 56px 0;
            background-color: var(--color-bg);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .topic-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .topic-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-default);
            padding: 24px 20px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid transparent;
        }

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

        .topic-card .topic-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--color-accent-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.2rem;
            color: var(--color-accent);
            font-weight: 700;
        }

        .topic-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            font-family: var(--font-sans);
        }

        .topic-card p {
            font-size: 0.8rem;
            color: var(--color-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 56px 0;
            background-color: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 20px 16px;
            transition: background-color var(--transition);
            border-radius: 4px;
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            line-height: 1.6;
            user-select: none;
            transition: color var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--color-accent-bg);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            transition: transform var(--transition), background-color var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.8;
            padding-left: 36px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        /* ========== FEATURED READING ========== */
        .featured-section {
            padding: 56px 0;
            background-color: var(--color-bg);
        }

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

        .featured-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-default);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .featured-card-img {
            height: 180px;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

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

        .featured-card-body {
            padding: 20px 24px;
        }

        .featured-card-tag {
            font-size: 0.75rem;
            color: var(--color-accent);
            background-color: var(--color-accent-bg);
            padding: 3px 10px;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 10px;
            font-weight: 500;
        }

        .featured-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .featured-card p {
            font-size: 0.85rem;
            color: var(--color-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-section {
            padding: 56px 24px;
            background-color: var(--color-accent-bg);
        }

        .subscribe-box {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-default);
            padding: 40px 36px;
        }

        .subscribe-box h2 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .subscribe-box p {
            font-size: 0.95rem;
            color: var(--color-muted);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            background-color: var(--color-bg);
            color: var(--color-text);
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 147, 77, 0.2);
            outline: none;
        }

        .subscribe-form button {
            padding: 14px 28px;
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background-color var(--transition), color var(--transition), transform var(--transition);
            white-space: nowrap;
        }

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

        .subscribe-form button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 8px;
        }

        .subscribe-success {
            display: none;
            margin-top: 16px;
            font-size: 0.9rem;
            color: var(--color-primary);
            background-color: var(--color-accent-bg);
            padding: 10px 18px;
            border-radius: 8px;
            font-weight: 500;
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .site-footer .container:first-of-type {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }

        .footer-brand .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background-color: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

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

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links span {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .container {
                padding: 0 20px;
            }

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 992px) {
            .article-list-grid {
                grid-template-columns: 1fr;
            }

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

            .site-footer .container:first-of-type {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .page-header-section h1 {
                font-size: 2.4rem;
            }

            .nav-desktop {
                gap: 2px;
            }

            .nav-desktop li a {
                padding: 10px 10px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                min-height: 60px;
                padding-top: 0;
                padding-bottom: 0;
            }

            .logo {
                font-size: 1.3rem;
            }

            .nav-desktop {
                display: none;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background-color: var(--color-primary-dark);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 0;
                z-index: 999;
                box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }

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

            .nav-desktop li {
                width: 100%;
            }

            .nav-desktop li a {
                display: block;
                padding: 14px 16px;
                color: rgba(255, 255, 255, 0.88);
                border-bottom: 1px solid rgba(255, 255, 255, 0.12);
                border-radius: 4px;
                font-size: 1rem;
                text-align: left;
            }

            .nav-desktop li a:hover {
                background-color: rgba(255, 255, 255, 0.08);
                color: var(--color-accent-soft);
            }

            .nav-desktop li a.active {
                color: var(--color-accent);
                border-bottom-color: var(--color-accent);
                background-color: rgba(200, 147, 77, 0.1);
            }

            .nav-toggle {
                display: block;
            }

            .page-header-section {
                padding: 40px 0 24px;
            }

            .page-header-section h1 {
                font-size: 2rem;
            }

            .page-header-section .page-intro {
                font-size: 0.95rem;
            }

            .article-list-section {
                padding: 24px 0 40px;
            }

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

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

            .article-card-img {
                width: 100%;
                min-height: 160px;
                max-height: 200px;
                border-radius: var(--radius-card) var(--radius-card) 0 0;
            }

            .article-card-img img {
                border-radius: var(--radius-card) var(--radius-card) 0 0;
            }

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

            .stats-section {
                padding: 28px 0;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .stat-number {
                font-size: 1.8rem;
            }

            .topic-section {
                padding: 40px 0;
            }

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

            .topic-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .faq-section {
                padding: 40px 0;
            }

            .faq-item {
                padding: 16px 12px;
            }

            .faq-question {
                font-size: 0.95rem;
            }

            .featured-section {
                padding: 40px 0;
            }

            .featured-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .featured-card-img {
                height: 160px;
            }

            .subscribe-section {
                padding: 40px 16px;
            }

            .subscribe-box {
                padding: 28px 20px;
            }

            .subscribe-box h2 {
                font-size: 1.4rem;
            }

            .site-footer {
                padding: 36px 0 20px;
            }

            .site-footer .container:first-of-type {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                text-align: left;
            }
        }

        @media (max-width: 576px) {
            body {
                font-size: 15px;
            }

            .container {
                padding: 0 16px;
            }

            .site-header .container {
                min-height: 56px;
            }

            .logo {
                font-size: 1.2rem;
            }

            .page-header-section h1 {
                font-size: 1.7rem;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .article-card-img {
                min-height: 140px;
                max-height: 180px;
            }

            .article-card h2 {
                font-size: 1.05rem;
            }

            .topic-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .topic-card {
                padding: 20px 16px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

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

            .featured-card-img {
                height: 140px;
            }

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

            .subscribe-form input {
                min-width: auto;
            }

            .subscribe-form button {
                width: 100%;
            }

            .subscribe-box {
                padding: 24px 16px;
            }

            .subscribe-box h2 {
                font-size: 1.2rem;
            }

            .faq-question {
                font-size: 0.9rem;
                gap: 8px;
            }

            .faq-answer {
                font-size: 0.85rem;
                padding-left: 28px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1F3D35;
            --color-primary-light: #2A5247;
            --color-primary-dark: #162C25;
            --color-accent: #C8934D;
            --color-accent-soft: #D9B27A;
            --color-accent-bg: #EFE3D0;
            --color-bg: #F6F1EA;
            --color-card: #FFFFFF;
            --color-text: #242424;
            --color-muted: #6B6157;
            --color-border: #E5DBCC;
            --color-white: #FFFFFF;
            --color-shadow: rgba(31, 61, 53, 0.06);
            --color-shadow-hover: rgba(31, 61, 53, 0.16);
            --font-serif: 'Noto Serif SC', 'Source Han Serif CN', 'SimSun', Georgia, serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans CN', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --radius-card: 12px;
            --radius-btn: 999px;
            --radius-img: 8px;
            --shadow-default: 0 2px 12px rgba(31, 61, 53, 0.06);
            --shadow-hover: 0 8px 24px rgba(31, 61, 53, 0.16);
            --transition: 0.25s ease;
            --container-max: 1200px;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
        }

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

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

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

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

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

        button,
        input {
            font-family: var(--font-sans);
            font-size: 1rem;
            border: none;
            outline: none;
        }

        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        /* ========== HEADER ========== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(31, 61, 53, 0.18);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.05em;
            white-space: nowrap;
            line-height: 1.2;
        }

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

        .logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 0 0 3px rgba(200, 147, 77, 0.25);
        }

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

        .nav-desktop li a {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.95rem;
            font-weight: 500;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
            border-radius: 4px 4px 0 0;
            white-space: nowrap;
        }

        .nav-desktop li a:hover {
            color: var(--color-accent-soft);
            background-color: rgba(255, 255, 255, 0.06);
        }

        .nav-desktop li a.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            cursor: pointer;
            position: relative;
            z-index: 1002;
            transition: border-color var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--color-accent);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--color-white);
            margin: 4px auto;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

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

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .nav-mobile {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background-color: var(--color-primary-dark);
            padding: 80px 24px 32px;
            z-index: 1001;
            box-shadow: -8px 0 24px rgba(0, 0, 0, 0.3);
            transform: translateX(100%);
            transition: transform 0.3s ease;
            list-style: none;
            margin: 0;
        }

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

        .nav-mobile li a {
            display: block;
            padding: 14px 16px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.05rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: color var(--transition), background-color var(--transition);
            border-radius: 6px;
        }

        .nav-mobile li a:hover {
            color: var(--color-accent-soft);
            background-color: rgba(255, 255, 255, 0.06);
        }

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

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background-color: var(--color-accent-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 18px 0;
        }

        .breadcrumb-nav {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: var(--color-muted);
        }

        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb-nav li+li::before {
            content: "›";
            color: var(--color-muted);
            font-size: 1.1rem;
            line-height: 1;
        }

        .breadcrumb-nav a {
            color: var(--color-primary);
            font-weight: 500;
        }

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

        .breadcrumb-nav .current {
            color: var(--color-muted);
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--section-pad) 0;
        }

        .section-alt {
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

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

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

        .section-title-wrap {
            margin-bottom: 40px;
        }

        .section-kicker {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.16em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            margin: 0;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-muted);
            line-height: 1.9;
            margin: 14px 0 0;
            max-width: 720px;
        }

        .section-primary-bg .section-title {
            color: var(--color-white);
        }

        .section-primary-bg .section-desc {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ========== CATEGORY HEADER ========== */
        .cat-header {
            padding: 56px 0 40px;
            background: linear-gradient(180deg, #F6F1EA 0%, #F6F1EA 60%, rgba(246, 241, 234, 0.6) 100%);
        }

        .cat-header-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cat-header-text {
            flex: 1 1 520px;
            max-width: 720px;
        }

        .cat-header h1 {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-primary);
            margin: 0 0 16px;
        }

        .cat-header p {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--color-muted);
            margin: 0;
        }

        .cat-header-meta {
            flex: 0 0 240px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-default);
        }

        .cat-header-meta-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 0.9rem;
        }

        .cat-header-meta-item:last-child {
            border-bottom: none;
        }

        .cat-header-meta-label {
            color: var(--color-muted);
        }

        .cat-header-meta-value {
            font-weight: 600;
            color: var(--color-primary);
        }

        .cat-header-meta-value.accent {
            color: var(--color-accent);
            font-size: 1.5rem;
            font-weight: 700;
        }

        /* ========== ARTICLE LIST ========== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .article-card {
            display: flex;
            gap: 24px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-default);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

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

        .article-card-img {
            flex: 0 0 220px;
            height: 165px;
            overflow: hidden;
            border-radius: var(--radius-img);
        }

        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .article-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-card-tag {
            display: inline-block;
            background-color: var(--color-accent-bg);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .article-card-title {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text);
            margin: 0 0 8px;
        }

        .article-card-title a {
            color: var(--color-text);
        }

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

        .article-card-excerpt {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.75;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .article-card-date {
            font-size: 0.8rem;
            color: var(--color-muted);
        }

        .article-card-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-accent);
        }

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

        /* ========== DATA STRIP ========== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .data-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-default);
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .data-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            font-family: var(--font-serif);
        }

        .data-label {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin-top: 8px;
        }

        /* ========== RELATED TOPICS ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .topic-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 18px;
            text-align: center;
            box-shadow: var(--shadow-default);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

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

        .topic-card-icon {
            font-size: 1.8rem;
            margin-bottom: 10px;
            color: var(--color-accent);
        }

        .topic-card-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0;
        }

        .topic-card a {
            color: var(--color-text);
        }

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

        /* ========== FAQ ========== */
        .faq-list {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-default);
            overflow: hidden;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            width: 100%;
            transition: background-color var(--transition), color var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: var(--color-accent-bg);
            color: var(--color-primary);
            font-size: 1.2rem;
            font-weight: 300;
            transition: transform var(--transition), background-color var(--transition), color var(--transition);
        }

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

        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.85;
        }

        .faq-item.open .faq-answer {
            display: block;
            border-left: 3px solid var(--color-accent);
            margin-left: 24px;
            padding-left: 16px;
        }

        /* ========== FEATURED ========== */
        .featured-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
        }

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

        .featured-card-img {
            height: 200px;
            overflow: hidden;
        }

        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .featured-card-body {
            padding: 20px 22px 24px;
        }

        .featured-card-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            margin-bottom: 8px;
            display: block;
        }

        .featured-card-title {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text);
            margin: 0 0 8px;
        }

        .featured-card-excerpt {
            font-size: 0.85rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== CTA ========== */
        .cta-box {
            background-color: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-hover);
        }

        .cta-box-text {
            flex: 1 1 400px;
        }

        .cta-box-text h2 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .cta-box-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            margin: 0;
            line-height: 1.8;
        }

        .cta-form {
            flex: 0 0 320px;
            display: flex;
            gap: 8px;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-btn);
            padding: 6px;
        }

        .cta-form input {
            flex: 1;
            background: transparent;
            border: none;
            color: var(--color-white);
            padding: 0 14px;
            font-size: 0.95rem;
        }

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

        .cta-form button {
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            font-size: 0.9rem;
            transition: background-color var(--transition), color var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .cta-form button:hover {
            background-color: var(--color-white);
            color: var(--color-primary);
            transform: translateY(-1px);
        }

        .cta-success {
            display: none;
            color: var(--color-accent-soft);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 10px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
        }

        .site-footer .container:first-child {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
            margin-bottom: 40px;
        }

        .footer-col {
            flex: 1 1 200px;
            min-width: 160px;
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .logo-dot {
            display: inline-block;
            width: 9px;
            height: 9px;
            background-color: var(--color-accent);
            border-radius: 50%;
            box-shadow: 0 0 0 3px rgba(200, 147, 77, 0.2);
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 340px;
        }

        .footer-col h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-white);
            margin: 0 0 16px;
            letter-spacing: 0.04em;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.8rem;
        }

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

        .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

            .article-card-img {
                flex: 0 0 170px;
                height: 140px;
            }
        }

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

            .nav-toggle {
                display: block;
            }

            .nav-mobile {
                display: block;
            }

            .section {
                padding: var(--section-pad-mobile) 0;
            }

            .cat-header {
                padding: 32px 0 24px;
            }

            .cat-header h1 {
                font-size: 1.8rem;
            }

            .cat-header-inner {
                flex-direction: column;
                gap: 24px;
            }

            .cat-header-meta {
                flex: 1 1 auto;
                width: 100%;
            }

            .article-card {
                flex-direction: column;
                gap: 14px;
                padding: 14px;
            }

            .article-card-img {
                flex: 1 1 auto;
                height: 180px;
                width: 100%;
            }

            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .data-strip {
                gap: 14px;
            }

            .data-value {
                font-size: 1.5rem;
            }

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

            .cta-form {
                flex: 1 1 auto;
                width: 100%;
                flex-direction: column;
                background: transparent;
                border: none;
                padding: 0;
                gap: 12px;
            }

            .cta-form input {
                background-color: rgba(255, 255, 255, 0.1);
                border: 1px solid rgba(255, 255, 255, 0.25);
                border-radius: var(--radius-btn);
                padding: 12px 18px;
                color: var(--color-white);
            }

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

            .cta-form button {
                width: 100%;
                padding: 12px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }

            .faq-answer {
                padding: 0 18px 16px;
            }

            .site-footer .container:first-child {
                flex-direction: column;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .cat-header h1 {
                font-size: 1.5rem;
            }

            .cat-header p {
                font-size: 0.95rem;
            }

            .article-card-img {
                height: 150px;
            }

            .article-card-title {
                font-size: 1.05rem;
            }

            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .data-item {
                padding: 16px 10px;
            }

            .topic-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .cta-box-text h2 {
                font-size: 1.3rem;
            }

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

.article-list + div a:hover { background-color: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }

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