/* roulang page: index */
:root {
            --color-primary: #1B1E3A;
            --color-primary-light: #2A2140;
            --color-primary-dark: #141529;
            --color-accent: #F1C26B;
            --color-accent-hover: #E5A94F;
            --color-bg: #F7F4EF;
            --color-bg-alt: #FAF6F0;
            --color-surface: #FFFFFF;
            --color-text: #2B2B2B;
            --color-text-muted: #545454;
            --color-text-light: #F0EAE0;
            --color-border: #E5E0D8;
            --color-border-light: rgba(229, 224, 216, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 12px rgba(27, 30, 58, 0.06);
            --shadow-md: 0 8px 28px rgba(27, 30, 58, 0.1);
            --shadow-lg: 0 20px 48px rgba(27, 30, 58, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --spacing-section: 72px;
            --font-display: 'Georgia', 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            background: none;
            font-size: 16px;
            transition: all var(--transition-fast);
        }

        input {
            font-family: var(--font-body);
            font-size: 15px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        ul,
        ol {
            list-style: none;
        }

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

        @media (min-width: 1280px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--spacing-md);
        }

        .brand-logo {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.06em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, var(--color-accent), #b8860b);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

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

        .main-nav a.active {
            color: var(--color-accent);
            background-color: rgba(241, 194, 107, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .nav-cta:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(241, 194, 107, 0.35);
        }

        .nav-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: transparent;
        }

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

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

        .hamburger:hover span {
            background-color: var(--color-accent);
        }

        #nav-toggle {
            display: none;
        }

        @media (max-width: 1023px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-md) var(--spacing-lg);
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }

            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
            }

            .nav-cta {
                margin-top: 8px;
                width: 100%;
                justify-content: center;
                padding: 14px 20px;
            }

            .hamburger {
                display: flex;
            }

            #nav-toggle:checked~.main-nav {
                display: flex;
            }

            #nav-toggle:checked~.hamburger span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }

            #nav-toggle:checked~.hamburger span:nth-child(2) {
                opacity: 0;
            }

            #nav-toggle:checked~.hamburger span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }
        }

        @media (max-width: 767px) {
            .site-header .container {
                height: 60px;
            }

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

            .brand-logo .logo-mark {
                width: 26px;
                height: 26px;
                font-size: 12px;
            }

            .main-nav {
                top: 60px;
                padding: var(--spacing-sm) var(--spacing-md);
            }
        }

        /* ===== Hero Section ===== */
        .hero {
            background: linear-gradient(165deg, #141529 0%, #1B1E3A 40%, #2A2140 70%, #1B1E3A 100%);
            position: relative;
            overflow: hidden;
            min-height: 580px;
            display: flex;
            align-items: center;
            padding: var(--spacing-xxl) 0;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 15% 25%, rgba(241, 194, 107, 0.12) 0%, transparent 50%),
                radial-gradient(ellipse at 75% 60%, rgba(120, 100, 180, 0.2) 0%, transparent 45%),
                radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.06) 0%, transparent 30%);
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(1px 1px at 12% 32%, rgba(255, 255, 255, 0.35) 50%, transparent 51%),
                radial-gradient(1px 1px at 38% 18%, rgba(255, 255, 255, 0.28) 50%, transparent 51%),
                radial-gradient(1.5px 1.5px at 65% 42%, rgba(255, 255, 255, 0.22) 50%, transparent 51%),
                radial-gradient(1px 1px at 82% 15%, rgba(255, 255, 255, 0.3) 50%, transparent 51%),
                radial-gradient(1px 1px at 48% 55%, rgba(255, 255, 255, 0.18) 50%, transparent 51%),
                radial-gradient(1.5px 1.5px at 90% 78%, rgba(255, 255, 255, 0.22) 50%, transparent 51%),
                radial-gradient(1px 1px at 22% 72%, rgba(255, 255, 255, 0.25) 50%, transparent 51%),
                radial-gradient(1px 1px at 56% 80%, rgba(255, 255, 255, 0.16) 50%, transparent 51%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .hero-content {
            color: var(--color-text-light);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(241, 194, 107, 0.15);
            border: 1px solid rgba(241, 194, 107, 0.35);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-md);
        }

        .hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-accent);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.7);
            }
        }

        .hero h1 {
            font-family: var(--font-display);
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.04em;
            color: #FFFFFF;
        }

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

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(240, 234, 224, 0.85);
            margin-bottom: var(--spacing-lg);
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }

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

        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(241, 194, 107, 0.38);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-text-light);
            border-color: rgba(240, 234, 224, 0.4);
        }

        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-1px);
        }

        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: relative;
            z-index: 1;
        }

        .hero-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(27, 30, 58, 0.25) 0%, rgba(27, 30, 58, 0.55) 100%);
            z-index: 2;
            pointer-events: none;
        }

        .hero-image-caption {
            position: absolute;
            bottom: 20px;
            left: 24px;
            z-index: 3;
            color: var(--color-text-light);
            font-size: 13px;
            letter-spacing: 0.04em;
            opacity: 0.9;
        }

        @media (max-width: 1023px) {
            .hero {
                padding: var(--spacing-xl) 0;
                min-height: auto;
            }

            .hero .container {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-image-wrap {
                aspect-ratio: 16/9;
                max-width: 560px;
            }
        }

        @media (max-width: 767px) {
            .hero {
                padding: var(--spacing-lg) 0;
            }

            .hero h1 {
                font-size: 26px;
                letter-spacing: 0.02em;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .btn {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
            }

            .hero-image-wrap {
                aspect-ratio: 4/3;
            }
        }

        /* ===== Section base ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

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

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

        .section-header {
            margin-bottom: var(--spacing-lg);
            max-width: 680px;
        }

        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-hover);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-xs);
        }

        .section-tag::before {
            content: '';
            width: 18px;
            height: 1px;
            background-color: var(--color-accent-hover);
        }

        .section-header.center .section-tag::before {
            display: none;
        }

        .section-header.center .section-tag::after {
            content: '';
            width: 18px;
            height: 1px;
            background-color: var(--color-accent-hover);
            display: inline-block;
            margin-left: 6px;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            margin-top: var(--spacing-xs);
            line-height: 1.8;
        }

        .section-dark .section-desc {
            color: rgba(240, 234, 224, 0.7);
        }

        @media (max-width: 767px) {
            .section {
                padding: var(--spacing-xl) 0;
            }

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

            .section-header {
                margin-bottom: var(--spacing-md);
            }
        }

        /* ===== Quick scenario cards ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .scenario-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            display: block;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            background-color: var(--color-primary);
        }

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

        .scenario-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(27, 30, 58, 0.1) 30%, rgba(27, 30, 58, 0.75) 100%);
            pointer-events: none;
            transition: background var(--transition-base);
        }

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

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

        .scenario-card:hover::after {
            background: linear-gradient(180deg, rgba(27, 30, 58, 0.18) 25%, rgba(27, 30, 58, 0.82) 100%);
        }

        .scenario-card-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--spacing-md);
            z-index: 2;
            color: #FFFFFF;
        }

        .scenario-card-content h3 {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }

        .scenario-card-content p {
            font-size: 13px;
            opacity: 0.8;
            line-height: 1.6;
        }

        @media (max-width: 1023px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .scenario-card {
                aspect-ratio: 16/10;
            }
        }

        /* ===== Category overview grid ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

        .category-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(241, 194, 107, 0.55);
        }

        .category-card-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }

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

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

        .category-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(27, 30, 58, 0.08) 0%, rgba(27, 30, 58, 0.4) 100%);
            pointer-events: none;
        }

        .category-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card-body h3 {
            font-family: var(--font-display);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }

        .category-card-body p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: var(--spacing-sm);
        }

        .category-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent-hover);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .category-link:hover {
            color: var(--color-primary);
            gap: 8px;
        }

        @media (max-width: 1023px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Stats strip ===== */
        .stats-strip {
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg) 0;
        }

        .stat-item {
            text-align: center;
            min-width: 120px;
        }

        .stat-number {
            font-family: var(--font-display);
            font-size: 42px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.75);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }

        @media (max-width: 767px) {
            .stats-strip {
                gap: var(--spacing-md);
                padding: var(--spacing-md) 0;
            }

            .stat-number {
                font-size: 32px;
            }

            .stat-label {
                font-size: 12px;
            }
        }

        /* ===== Content cards row ===== */
        .content-card-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

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

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

        .content-card-image {
            aspect-ratio: 16/10;
            overflow: hidden;
        }

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

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

        .content-card-body {
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent-hover);
            background-color: rgba(241, 194, 107, 0.12);
            padding: 3px 10px;
            border-radius: 50px;
            width: fit-content;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .content-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }

        .content-card-body p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--spacing-sm);
            flex: 1;
        }

        .content-card-meta {
            font-size: 12px;
            color: #999;
            border-top: 1px solid var(--color-border-light);
            padding-top: var(--spacing-xs);
            letter-spacing: 0.03em;
        }

        @media (max-width: 1023px) {
            .content-card-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .content-card-row {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Brand intro section ===== */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

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

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

        .brand-intro-text h3 {
            font-family: var(--font-display);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

        .brand-intro-text p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
        }

        @media (max-width: 1023px) {
            .brand-intro {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .brand-intro-image {
                max-width: 560px;
            }
        }

        /* ===== Scene topic module ===== */
        .scene-topic {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: var(--spacing-xl);
            align-items: stretch;
        }

        .scene-topic-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
            min-height: 320px;
        }

        .scene-topic-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .scene-topic-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(27, 30, 58, 0.15) 0%, rgba(27, 30, 58, 0.4) 100%);
            pointer-events: none;
        }

        .scene-topic-list {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: var(--spacing-sm);
        }

        .scene-topic-list .section-title {
            margin-bottom: var(--spacing-sm);
        }

        .scene-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: var(--radius-sm);
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

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

        .scene-link .arrow {
            font-size: 18px;
            color: var(--color-accent-hover);
            transition: transform var(--transition-fast);
        }

        .scene-link:hover .arrow {
            transform: translateX(4px);
        }

        @media (max-width: 1023px) {
            .scene-topic {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .scene-topic-image {
                min-height: 260px;
            }
        }

        /* ===== Journal list ===== */
        .journal-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .journal-item {
            display: flex;
            align-items: baseline;
            gap: var(--spacing-md);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            text-decoration: none;
            color: var(--color-text);
        }

        .journal-item:hover {
            padding-left: var(--spacing-xs);
            color: var(--color-accent-hover);
        }

        .journal-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-hover);
            letter-spacing: 0.05em;
            white-space: nowrap;
            min-width: 80px;
        }

        .journal-title {
            font-size: 15px;
            line-height: 1.6;
            font-weight: 500;
        }

        @media (max-width: 767px) {
            .journal-item {
                flex-direction: column;
                gap: 4px;
            }

            .journal-date {
                min-width: auto;
            }
        }

        /* ===== Gallery wall ===== */
        .gallery-wall {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-sm);
        }

        .gallery-item {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 4/3;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .gallery-item::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(27, 30, 58, 0.1);
            pointer-events: none;
            transition: background var(--transition-base);
        }

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

        .gallery-item:hover img {
            transform: scale(1.05);
        }

        .gallery-item:hover::after {
            background: rgba(27, 30, 58, 0.2);
        }

        .gallery-caption {
            position: absolute;
            bottom: 10px;
            left: 12px;
            z-index: 2;
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
        }

        @media (max-width: 1023px) {
            .gallery-wall {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .gallery-wall {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Testimonial cards ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .testimonial-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .testimonial-quote {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            font-style: italic;
        }

        .testimonial-quote::before {
            content: '\201C';
            font-size: 32px;
            color: var(--color-accent);
            font-family: var(--font-display);
            line-height: 1;
            margin-right: 4px;
        }

        .testimonial-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.04em;
        }

        .testimonial-meta {
            font-size: 12px;
            color: #999;
            margin-top: 2px;
        }

        @media (max-width: 767px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .testimonial-card {
                padding: var(--spacing-md);
            }
        }

        /* ===== CTA section ===== */
        .cta-section {
            background: linear-gradient(140deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(1px 1px at 20% 40%, rgba(255, 255, 255, 0.25) 50%, transparent 51%),
                radial-gradient(1px 1px at 70% 30%, rgba(255, 255, 255, 0.2) 50%, transparent 51%),
                radial-gradient(1.5px 1.5px at 50% 70%, rgba(255, 255, 255, 0.18) 50%, transparent 51%),
                radial-gradient(1px 1px at 85% 60%, rgba(255, 255, 255, 0.22) 50%, transparent 51%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(240, 234, 224, 0.8);
            margin-bottom: var(--spacing-md);
            line-height: 1.8;
        }

        .cta-section .btn-primary {
            font-size: 16px;
            padding: 16px 36px;
        }

        @media (max-width: 767px) {
            .cta-section {
                padding: var(--spacing-lg) var(--spacing-md);
                border-radius: var(--radius-lg);
            }

            .cta-section h2 {
                font-size: 22px;
            }
        }

        /* ===== Wide topic cards ===== */
        .wide-topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .wide-topic-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: row;
            text-decoration: none;
            color: var(--color-text);
        }

        .wide-topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(241, 194, 107, 0.5);
            color: var(--color-text);
        }

        .wide-topic-image {
            width: 180px;
            flex-shrink: 0;
            overflow: hidden;
        }

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

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

        .wide-topic-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }

        .wide-topic-body h3 {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            letter-spacing: 0.03em;
        }

        .wide-topic-body p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.65;
        }

        @media (max-width: 767px) {
            .wide-topic-grid {
                grid-template-columns: 1fr;
            }

            .wide-topic-card {
                flex-direction: column;
            }

            .wide-topic-image {
                width: 100%;
                aspect-ratio: 16/9;
            }
        }

        /* ===== Update list ===== */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .update-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            text-decoration: none;
            color: var(--color-text);
        }

        .update-item:hover {
            color: var(--color-accent-hover);
            padding-left: var(--spacing-xs);
        }

        .update-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-hover);
            white-space: nowrap;
            min-width: 70px;
            letter-spacing: 0.04em;
            padding-top: 4px;
        }

        .update-text {
            font-size: 15px;
            line-height: 1.6;
        }

        @media (max-width: 767px) {
            .update-item {
                flex-direction: column;
                gap: 4px;
            }

            .update-date {
                min-width: auto;
                padding-top: 0;
            }
        }

        /* ===== Partner strip ===== */
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-sm) var(--spacing-lg);
            padding: var(--spacing-md) 0;
        }

        .partner-name {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-muted);
            letter-spacing: 0.06em;
            transition: color var(--transition-fast);
            cursor: default;
        }

        .partner-name:hover {
            color: var(--color-accent-hover);
        }

        .partner-sep {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background-color: var(--color-border);
            flex-shrink: 0;
        }

        /* ===== FAQ section ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

        .faq-item:hover {
            border-color: rgba(241, 194, 107, 0.5);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-md);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
        }

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

        .faq-icon {
            font-size: 22px;
            color: var(--color-accent-hover);
            flex-shrink: 0;
            transition: transform var(--transition-base);
            font-weight: 400;
            line-height: 1;
        }

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

        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text-muted);
            display: none;
        }

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

        .faq-toggle {
            display: none;
        }

        .faq-toggle:checked~.faq-answer {
            display: block;
        }

        .faq-toggle:checked~.faq-question .faq-icon {
            transform: rotate(45deg);
        }

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

        @media (max-width: 767px) {
            .faq-question {
                font-size: 15px;
                padding: var(--spacing-sm);
            }

            .faq-answer {
                font-size: 14px;
                padding: 0 var(--spacing-sm) var(--spacing-sm);
            }
        }

        /* ===== Subscribe section ===== */
        .subscribe-box {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            max-width: 560px;
            margin: 0 auto;
        }

        .subscribe-form {
            display: flex;
            gap: var(--spacing-sm);
        }

        .subscribe-input {
            flex: 1;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background-color: var(--color-bg);
            color: var(--color-text);
            font-size: 15px;
            letter-spacing: 0.02em;
        }

        .subscribe-input::placeholder {
            color: #999;
        }

        .subscribe-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(241, 194, 107, 0.2);
            outline: none;
        }

        .subscribe-btn {
            background-color: var(--color-primary);
            color: var(--color-accent);
            font-weight: 600;
            padding: 14px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            letter-spacing: 0.04em;
            border: 1px solid var(--color-primary);
            white-space: nowrap;
        }

        .subscribe-btn:hover {
            background-color: var(--color-primary-light);
            color: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(27, 30, 58, 0.25);
        }

        .subscribe-btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        @media (max-width: 767px) {
            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(240, 234, 224, 0.75);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .brand-logo {
            font-size: 20px;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(240, 234, 224, 0.6);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-sm);
            font-family: var(--font-body);
        }

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

        .footer-col a {
            font-size: 13px;
            color: rgba(240, 234, 224, 0.65);
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .footer-copyright {
            font-size: 12px;
            color: rgba(240, 234, 224, 0.5);
            letter-spacing: 0.03em;
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 12px;
            color: rgba(240, 234, 224, 0.5);
        }

        .footer-legal a {
            color: rgba(240, 234, 224, 0.5);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

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

        .footer-legal span {
            color: rgba(240, 234, 224, 0.4);
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .footer-brand p {
                max-width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1B1E3A;
            --color-primary-light: #2A2140;
            --color-primary-dark: #141529;
            --color-accent: #F1C26B;
            --color-accent-hover: #E5A94F;
            --color-bg: #F7F4EF;
            --color-bg-alt: #FAF6F0;
            --color-surface: #FFFFFF;
            --color-text: #2B2B2B;
            --color-text-muted: #545454;
            --color-text-light: #F0EAE0;
            --color-border: #E5E0D8;
            --color-border-light: rgba(229, 224, 216, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 12px rgba(27, 30, 58, 0.06);
            --shadow-md: 0 8px 28px rgba(27, 30, 58, 0.1);
            --shadow-lg: 0 20px 48px rgba(27, 30, 58, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --spacing-section: 72px;
            --font-display: 'Georgia', 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            background: none;
            font-size: 16px;
            transition: all var(--transition-fast);
        }

        input {
            font-family: var(--font-body);
            font-size: 15px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            font-weight: 600;
            line-height: 1.3;
            color: var(--color-primary);
        }

        h1 {
            font-size: clamp(32px, 4vw, 44px);
            letter-spacing: 0.04em;
        }

        h2 {
            font-size: clamp(26px, 3vw, 32px);
            letter-spacing: 0.03em;
        }

        h3 {
            font-size: clamp(18px, 2vw, 22px);
            letter-spacing: 0.02em;
        }

        h4 {
            font-size: 17px;
            letter-spacing: 0.02em;
        }

        p {
            margin-bottom: var(--spacing-sm);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--spacing-md);
        }

        .brand-logo {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.06em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, var(--color-accent), #b8860b);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

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

        .main-nav a.active {
            color: var(--color-accent);
            background-color: rgba(241, 194, 107, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 30px;
            transition: all var(--transition-fast);
        }

        .nav-cta:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
        }

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

        .menu-toggle span {
            width: 28px;
            height: 2px;
            background-color: var(--color-text-light);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background-color: var(--color-primary-dark);
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .breadcrumb-bar .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(240, 234, 224, 0.7);
        }

        .breadcrumb-bar a {
            color: rgba(240, 234, 224, 0.7);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-bar .separator {
            color: rgba(240, 234, 224, 0.4);
            font-size: 12px;
        }

        .breadcrumb-bar .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        /* ===== Page Header (分类页头) ===== */
        .page-header {
            background: linear-gradient(165deg, #1B1E3A 0%, #2A2140 55%, #1B1E3A 100%);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .page-header::before {
            content: '';
            position: absolute;
            top: 20%;
            right: 8%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(241, 194, 107, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-header::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 15%;
            width: 320px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 180, 220, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-header .container {
            position: relative;
            z-index: 2;
        }

        .page-header .page-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-accent);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
        }

        .page-header .page-label::before {
            content: '✦';
            font-size: 10px;
            color: var(--color-accent);
        }

        .page-header h1 {
            color: var(--color-text-light);
            margin-bottom: var(--spacing-sm);
            font-size: clamp(30px, 4vw, 42px);
        }

        .page-header .page-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(240, 234, 224, 0.85);
            max-width: 720px;
            margin-bottom: 0;
        }

        .page-header .page-meta {
            display: flex;
            gap: var(--spacing-md);
            margin-top: var(--spacing-sm);
            font-size: 13px;
            color: rgba(240, 234, 224, 0.6);
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--spacing-xl) 0;
        }

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

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

        .section-dark h2,
        .section-dark h3 {
            color: var(--color-text-light);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-accent-hover);
            letter-spacing: 0.08em;
            margin-bottom: var(--spacing-sm);
        }

        .section-label::before {
            content: '—';
            color: var(--color-accent);
        }

        .section-title {
            font-size: clamp(24px, 2.8vw, 30px);
            margin-bottom: var(--spacing-sm);
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
        }

        .section-dark .section-subtitle {
            color: rgba(240, 234, 224, 0.7);
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

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

        .content-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(241, 194, 107, 0.4);
        }

        .content-card .card-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background-color: #2A2140;
        }

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

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

        .content-card .card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(20, 21, 41, 0.55) 100%);
            pointer-events: none;
        }

        .content-card .card-image .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 3;
            background: rgba(20, 21, 41, 0.75);
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
        }

        .content-card .card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card .card-title {
            font-size: 18px;
            font-weight: 600;
            font-family: var(--font-display);
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
            line-height: 1.4;
        }

        .content-card .card-summary {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--spacing-sm);
            flex: 1;
        }

        .content-card .card-meta {
            font-size: 12px;
            color: #9a9a9a;
            display: flex;
            align-items: center;
            gap: 8px;
            padding-top: var(--spacing-xs);
            border-top: 1px solid var(--color-accent);
            opacity: 0.7;
        }

        .content-card .card-meta .dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        /* ===== View More ===== */
        .view-more-wrap {
            text-align: center;
            margin-top: var(--spacing-lg);
        }

        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-primary);
            padding: 10px 24px;
            border: 1px solid var(--color-border);
            border-radius: 30px;
            background: var(--color-surface);
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
        }

        .view-more-link:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .view-more-link .arrow {
            font-size: 16px;
            transition: transform var(--transition-fast);
        }

        .view-more-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== Featured List ===== */
        .featured-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .featured-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            transition: all var(--transition-base);
        }

        .featured-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(241, 194, 107, 0.4);
        }

        .featured-item .featured-thumb {
            width: 96px;
            height: 72px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background-color: #2A2140;
        }

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

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

        .featured-item .featured-title {
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font-display);
            color: var(--color-primary);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .featured-item .featured-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .featured-item .featured-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--color-accent-hover);
            background: rgba(241, 194, 107, 0.12);
            padding: 3px 10px;
            border-radius: 14px;
            flex-shrink: 0;
            letter-spacing: 0.04em;
        }

        /* ===== Data Band ===== */
        .data-band {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            padding: var(--spacing-lg) 0;
        }

        .data-item {
            text-align: center;
        }

        .data-number {
            font-family: var(--font-display);
            font-size: clamp(36px, 4vw, 48px);
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }

        .data-label {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.7);
            letter-spacing: 0.04em;
        }

        /* ===== Related Topics ===== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .related-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background-color: #2A2140;
            display: block;
        }

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

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

        .related-card .related-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(20, 21, 41, 0.75) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: var(--spacing-md);
            transition: background var(--transition-base);
        }

        .related-card:hover .related-overlay {
            background: linear-gradient(180deg, transparent 20%, rgba(20, 21, 41, 0.85) 100%);
        }

        .related-card .related-title {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-light);
            letter-spacing: 0.03em;
        }

        .related-card .related-count {
            font-size: 13px;
            color: var(--color-accent);
            letter-spacing: 0.04em;
        }

        .related-card .related-link-arrow {
            position: absolute;
            top: var(--spacing-md);
            right: var(--spacing-md);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            transition: all var(--transition-fast);
        }

        .related-card:hover .related-link-arrow {
            background: var(--color-accent);
            color: var(--color-primary-dark);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 860px;
        }

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

        .faq-item:hover {
            border-color: rgba(241, 194, 107, 0.4);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-md) var(--spacing-md);
            font-size: 17px;
            font-weight: 600;
            font-family: var(--font-display);
            color: var(--color-primary);
            text-align: left;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
            background: none;
            border: none;
            cursor: pointer;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: all var(--transition-fast);
            font-weight: 400;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing-md);
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }

        /* ===== CTA ===== */
        .cta-panel {
            background: linear-gradient(145deg, #2A2140 0%, #1B1E3A 60%, #141529 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(241, 194, 107, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-panel h2 {
            color: var(--color-text-light);
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 2;
        }

        .cta-panel p {
            color: rgba(240, 234, 224, 0.75);
            max-width: 560px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.8;
            position: relative;
            z-index: 2;
        }

        .cta-panel .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: 40px;
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 2;
        }

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

        .btn-primary:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(241, 194, 107, 0.3);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--color-text-light);
            border: 1px solid rgba(240, 234, 224, 0.4);
        }

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

        .cta-panel .cta-actions {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(240, 234, 224, 0.8);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .brand-logo {
            font-size: 20px;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(240, 234, 224, 0.65);
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            margin-bottom: var(--spacing-sm);
            font-family: var(--font-body);
        }

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

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

        .footer-col ul a {
            color: rgba(240, 234, 224, 0.65);
            font-size: 14px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: rgba(240, 234, 224, 0.5);
        }

        .footer-legal {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-legal a {
            color: rgba(240, 234, 224, 0.5);
            transition: color var(--transition-fast);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-band {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .footer-col:last-child {
                grid-column: span 3;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: 60px;
            }
            .brand-logo {
                font-size: 18px;
            }
            .main-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-md);
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                display: none;
                z-index: 999;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 16px;
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                justify-content: center;
                margin-top: 8px;
            }
            .menu-toggle {
                display: flex;
            }
            .menu-toggle.open span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }
            .menu-toggle.open span:nth-child(2) {
                opacity: 0;
            }
            .menu-toggle.open span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }
            .card-grid,
            .card-grid-2,
            .related-grid {
                grid-template-columns: 1fr;
            }
            .data-band {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .page-header {
                padding: var(--spacing-lg) 0;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-col:last-child {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .featured-item {
                flex-wrap: wrap;
            }
            .featured-item .featured-thumb {
                width: 72px;
                height: 56px;
            }
            .cta-panel {
                padding: var(--spacing-lg) var(--spacing-md);
            }
        }

        @media (max-width: 520px) {
            .data-band {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .data-number {
                font-size: 30px;
            }
            .data-label {
                font-size: 12px;
            }
            .content-card .card-body {
                padding: var(--spacing-sm);
            }
            .content-card .card-title {
                font-size: 16px;
            }
            .faq-question {
                font-size: 15px;
                padding: var(--spacing-sm);
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 var(--spacing-sm);
            }
            .faq-item.open .faq-answer {
                padding: 0 var(--spacing-sm) var(--spacing-sm);
            }
            .related-card .related-title {
                font-size: 15px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1B1E3A;
            --color-primary-light: #2A2140;
            --color-primary-dark: #141529;
            --color-accent: #F1C26B;
            --color-accent-hover: #E5A94F;
            --color-bg: #F7F4EF;
            --color-bg-alt: #FAF6F0;
            --color-surface: #FFFFFF;
            --color-text: #2B2B2B;
            --color-text-muted: #545454;
            --color-text-light: #F0EAE0;
            --color-border: #E5E0D8;
            --color-border-light: rgba(229, 224, 216, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 12px rgba(27, 30, 58, 0.06);
            --shadow-md: 0 8px 28px rgba(27, 30, 58, 0.1);
            --shadow-lg: 0 20px 48px rgba(27, 30, 58, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --spacing-section: 72px;
            --font-display: 'Georgia', 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            background: none;
            font-size: 16px;
            transition: all var(--transition-fast);
        }

        input,
        textarea {
            font-family: var(--font-body);
            font-size: 15px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            font-weight: 600;
            line-height: 1.35;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-sm);
        }

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

        /* ===== Header / Navigation ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--spacing-md);
        }

        .brand-logo {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.06em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, var(--color-accent), #b8860b);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }

        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

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

        .main-nav a.active {
            color: var(--color-accent);
            background-color: rgba(241, 194, 107, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary-dark) !important;
            font-weight: 600;
            padding: 8px 18px !important;
            border-radius: var(--radius-sm);
            letter-spacing: 0.04em;
            transition: all var(--transition-base);
        }

        .nav-cta:hover {
            background-color: var(--color-accent-hover) !important;
            color: var(--color-primary-dark) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(241, 194, 107, 0.35);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 1100;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background-color: var(--color-text-light);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

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

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ===== Main ===== */
        main {
            flex: 1 0 auto;
            width: 100%;
        }

        /* ===== Category Header ===== */
        .category-header {
            background-color: var(--color-primary);
            background-image: url('/assets/images/e63c01733c07fef1.jpg');
            background-size: cover;
            background-position: center 40%;
            background-blend-mode: multiply;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }

        .category-header::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 21, 41, 0.7) 0%, rgba(27, 30, 58, 0.85) 100%);
            pointer-events: none;
        }

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

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(240, 234, 224, 0.6);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: rgba(240, 234, 224, 0.7);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-nav .sep {
            color: rgba(240, 234, 224, 0.35);
            user-select: none;
        }

        .breadcrumb-nav .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        .category-header h1 {
            font-size: 38px;
            color: var(--color-text-light);
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
        }

        .category-header .category-brief {
            font-size: 16px;
            color: rgba(240, 234, 224, 0.8);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== Section Base ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

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

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

        .section-deep h2,
        .section-deep h3,
        .section-deep h4 {
            color: var(--color-text-light);
        }

        .section-title {
            font-size: 30px;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-sm);
            color: var(--color-primary);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 640px;
            margin-bottom: var(--spacing-lg);
            line-height: 1.8;
        }

        .section-deep .section-title,
        .section-deep .section-subtitle {
            color: var(--color-text-light);
        }

        .section-deep .section-subtitle {
            color: rgba(240, 234, 224, 0.7);
        }

        /* ===== Content Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }

        .content-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .content-card .card-cover {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

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

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

        .content-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background-color: rgba(27, 30, 58, 0.85);
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            z-index: 1;
        }

        .content-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-xs);
        }

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

        .content-card .card-desc {
            font-size: 14.5px;
            color: var(--color-text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--spacing-sm);
            flex: 1;
        }

        .content-card .card-link {
            font-size: 14px;
            color: var(--color-accent-hover);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .content-card .card-link:hover {
            color: var(--color-primary);
            gap: 8px;
        }

        .card-divider {
            height: 1px;
            background: linear-gradient(to right, var(--color-accent), transparent);
            margin: var(--spacing-sm) 0;
        }

        /* ===== View More ===== */
        .view-more-wrap {
            text-align: center;
            margin-top: var(--spacing-sm);
        }

        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: var(--color-primary);
            font-weight: 500;
            padding: 10px 24px;
            border: 1px solid var(--color-border);
            border-radius: 40px;
            background-color: var(--color-surface);
            transition: all var(--transition-base);
        }

        .view-more-link:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* ===== Intro Detail ===== */
        .intro-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .intro-detail-text h2 {
            font-size: 28px;
            margin-bottom: var(--spacing-md);
        }

        .intro-detail-text p {
            font-size: 15.5px;
            color: var(--color-text-muted);
            line-height: 1.9;
            margin-bottom: var(--spacing-sm);
        }

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

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

        /* ===== Featured Notes List ===== */
        .notes-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .notes-list-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            padding: var(--spacing-md);
            transition: all var(--transition-fast);
        }

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

        .notes-list-date {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
            min-width: 80px;
            padding-top: 2px;
        }

        .notes-list-body {
            flex: 1;
        }

        .notes-list-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
            font-family: var(--font-display);
        }

        .notes-list-body p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ===== Related Topics ===== */
        .related-topics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16 / 8;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            display: block;
        }

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

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

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

        .topic-card .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(27, 30, 58, 0.35) 0%, rgba(27, 30, 58, 0.85) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: var(--spacing-md);
        }

        .topic-card .topic-overlay h3 {
            font-size: 20px;
            color: var(--color-text-light);
            margin-bottom: 4px;
            font-family: var(--font-display);
        }

        .topic-card .topic-overlay span {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 500;
        }

        /* ===== Stats Band ===== */
        .stats-band {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .stat-item {
            text-align: center;
            padding: var(--spacing-md) 0;
            border-left: 1px solid rgba(240, 234, 224, 0.15);
        }

        .stat-item:first-child {
            border-left: none;
        }

        .stat-number {
            font-size: 42px;
            font-weight: 700;
            font-family: var(--font-display);
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.7);
            margin-top: 4px;
        }

        /* ===== Quote Block ===== */
        .quote-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .quote-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

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

        .quote-card .quote-mark {
            font-size: 36px;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: var(--spacing-sm);
            font-family: var(--font-display);
        }

        .quote-card p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.85;
            font-style: italic;
            margin-bottom: var(--spacing-sm);
        }

        .quote-card .quote-source {
            font-size: 13px;
            color: var(--color-text-muted);
            font-style: normal;
        }

        /* ===== CTA ===== */
        .cta-section {
            background-color: var(--color-primary);
            background-image: url('/assets/images/7d203b465cc9264c.jpg');
            background-size: cover;
            background-position: center;
            background-blend-mode: multiply;
            padding: var(--spacing-xl) 0;
            text-align: center;
            position: relative;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(27, 30, 58, 0.7);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 32px;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-sm);
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(240, 234, 224, 0.75);
            max-width: 560px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .btn-primary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            font-size: 16px;
            padding: 14px 32px;
            border-radius: 40px;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(241, 194, 107, 0.3);
        }

        .btn-primary-cta:hover {
            background-color: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(241, 194, 107, 0.45);
            color: var(--color-primary-dark);
        }

        .btn-secondary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-text-light);
            font-weight: 500;
            font-size: 16px;
            padding: 14px 32px;
            border-radius: 40px;
            border: 1px solid rgba(240, 234, 224, 0.4);
            transition: all var(--transition-base);
        }

        .btn-secondary-cta:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        /* ===== Subscribe ===== */
        .subscribe-wrap {
            display: flex;
            align-items: stretch;
            max-width: 520px;
            margin: 0 auto;
            gap: var(--spacing-xs);
        }

        .subscribe-wrap input {
            flex: 1;
            padding: 14px 20px;
            border: 1px solid var(--color-border);
            border-radius: 40px;
            background-color: var(--color-surface);
            color: var(--color-text);
            font-size: 15px;
            outline: none;
            transition: all var(--transition-fast);
        }

        .subscribe-wrap input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(241, 194, 107, 0.15);
        }

        .subscribe-wrap button {
            padding: 14px 28px;
            border-radius: 40px;
            background-color: var(--color-primary);
            color: var(--color-text-light);
            font-weight: 500;
            font-size: 15px;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .subscribe-wrap button:hover {
            background-color: var(--color-primary-light);
            color: var(--color-accent);
            transform: translateY(-1px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(240, 234, 224, 0.7);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .brand-logo {
            margin-bottom: var(--spacing-sm);
            display: inline-flex;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(240, 234, 224, 0.6);
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.05em;
            font-weight: 600;
        }

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

        .footer-col ul a {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(240, 234, 224, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .footer-copyright {
            font-size: 13px;
            color: rgba(240, 234, 224, 0.5);
        }

        .footer-legal {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            font-size: 12.5px;
            color: rgba(240, 234, 224, 0.45);
        }

        .footer-legal a {
            color: rgba(240, 234, 224, 0.5);
            font-size: 12.5px;
            transition: color var(--transition-fast);
        }

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

        .footer-legal span {
            color: rgba(240, 234, 224, 0.35);
            user-select: none;
        }

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

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

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

            .stat-item:nth-child(3) {
                border-left: none;
            }

            .stat-item:nth-child(1),
            .stat-item:nth-child(2) {
                border-bottom: 1px solid rgba(240, 234, 224, 0.15);
                padding-bottom: var(--spacing-md);
            }

            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                padding-top: var(--spacing-md);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }

            .intro-detail-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: 64px;
            }

            .hamburger {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                right: 0;
                width: 100%;
                max-width: 360px;
                background-color: var(--color-primary-dark);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: var(--spacing-sm);
                border-bottom: 1px solid rgba(240, 234, 224, 0.1);
                border-left: 1px solid rgba(240, 234, 224, 0.1);
                transform: translateX(120%);
                transition: transform var(--transition-slow);
                z-index: 1050;
                box-shadow: -8px 0 30px rgba(0, 0, 0, 0.3);
            }

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

            .main-nav a {
                padding: 14px 18px;
                font-size: 15px;
                border-radius: var(--radius-sm);
                display: block;
            }

            .main-nav .nav-cta {
                margin-top: 8px;
                text-align: center;
                justify-content: center;
            }

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

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

            .related-topics-grid {
                grid-template-columns: 1fr;
            }

            .stats-band {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }

            .stat-item:nth-child(1),
            .stat-item:nth-child(2),
            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-left: none;
                border-bottom: 1px solid rgba(240, 234, 224, 0.15);
                padding-bottom: var(--spacing-sm);
            }

            .stat-item:nth-child(4) {
                border-bottom: none;
            }

            .category-header {
                padding: var(--spacing-lg) 0 var(--spacing-md);
            }

            .category-header h1 {
                font-size: 30px;
            }

            .section {
                padding: var(--spacing-lg) 0;
            }

            .section-title {
                font-size: 26px;
            }

            .container {
                padding: 0 var(--spacing-sm);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }

            .notes-list-item {
                flex-direction: column;
                gap: var(--spacing-xs);
            }

            .notes-list-date {
                min-width: auto;
            }
        }

        @media (max-width: 520px) {
            .site-header .container {
                height: 60px;
                gap: var(--spacing-sm);
            }

            .brand-logo {
                font-size: 18px;
                gap: 6px;
            }

            .brand-logo .logo-mark {
                width: 26px;
                height: 26px;
                font-size: 12px;
            }

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

            .category-header .category-brief {
                font-size: 14px;
            }

            .section-title {
                font-size: 23px;
            }

            .content-card .card-title {
                font-size: 17px;
            }

            .cta-section h2 {
                font-size: 26px;
            }

            .subscribe-wrap {
                flex-direction: column;
                gap: var(--spacing-xs);
            }

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

            .stat-number {
                font-size: 32px;
            }

            .btn-primary-cta,
            .btn-secondary-cta {
                padding: 12px 24px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }

            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1B1E3A;
            --color-primary-light: #2A2140;
            --color-primary-dark: #141529;
            --color-accent: #F1C26B;
            --color-accent-hover: #E5A94F;
            --color-bg: #F7F4EF;
            --color-bg-alt: #FAF6F0;
            --color-surface: #FFFFFF;
            --color-text: #2B2B2B;
            --color-text-muted: #545454;
            --color-text-light: #F0EAE0;
            --color-border: #E5E0D8;
            --color-border-light: rgba(229, 224, 216, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 12px rgba(27, 30, 58, 0.06);
            --shadow-md: 0 8px 28px rgba(27, 30, 58, 0.1);
            --shadow-lg: 0 20px 48px rgba(27, 30, 58, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --spacing-section: 72px;
            --font-display: 'Georgia', 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            background: none;
            font-size: 16px;
            transition: all var(--transition-fast);
        }

        input {
            font-family: var(--font-body);
            font-size: 15px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            font-weight: 700;
            color: var(--color-primary);
            margin-top: 0;
            line-height: 1.4;
        }

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

        /* ===== Header / Navigation ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--spacing-md);
        }

        .brand-logo {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.06em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, var(--color-accent), #b8860b);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

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

        .main-nav a.active {
            color: var(--color-accent);
            background-color: rgba(241, 194, 107, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            font-size: 14px;
        }

        .nav-cta:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(241, 194, 107, 0.35);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 6px;
            border-radius: 6px;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background-color: var(--color-text-light);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            padding: var(--spacing-md) 0 var(--spacing-sm);
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border-light);
        }

        .breadcrumb-section .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

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

        .breadcrumb-nav a {
            color: var(--color-text-muted);
            font-size: 14px;
            transition: color var(--transition-fast);
        }

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

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

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

        /* ===== Section Common ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

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

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

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-sm);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
        }

        /* ===== Page Header ===== */
        .page-header {
            padding: var(--spacing-xl) 0 var(--spacing-md);
            background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 55%, #1a1d36 100%);
            color: var(--color-text-light);
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(241, 194, 107, 0.25) 0%, transparent 65%);
            pointer-events: none;
        }

        .page-header::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 15%;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .page-header h1 {
            font-size: 38px;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.05em;
        }

        .page-header .page-excerpt {
            font-size: 17px;
            line-height: 1.85;
            max-width: 780px;
            color: rgba(240, 234, 224, 0.85);
            margin-bottom: 0;
        }

        .page-header .header-meta {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-sm);
            font-size: 13px;
            color: rgba(240, 234, 224, 0.6);
        }

        .page-header .header-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Archive List Cards ===== */
        .archive-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

        .archive-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(241, 194, 107, 0.4);
        }

        .archive-card .card-image {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
            background-color: var(--color-primary-dark);
        }

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

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

        .archive-card .card-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 45%;
            background: linear-gradient(to top, rgba(27, 30, 58, 0.55), transparent);
            pointer-events: none;
        }

        .archive-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .archive-card .card-title {
            font-family: var(--font-display);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
            line-height: 1.5;
        }

        .archive-card .card-excerpt {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
            flex: 1;
            margin-bottom: var(--spacing-sm);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .archive-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 12px;
            color: var(--color-text-muted);
            padding-top: var(--spacing-xs);
            border-top: 1px solid var(--color-border-light);
            letter-spacing: 0.02em;
        }

        .archive-card .card-meta .meta-tag {
            background-color: rgba(241, 194, 107, 0.15);
            color: #8a6d28;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 500;
        }

        /* ===== More Link ===== */
        .more-link-wrap {
            text-align: center;
            margin-top: var(--spacing-lg);
        }

        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            padding: 12px 28px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            background-color: var(--color-surface);
        }

        .more-link:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }

        .more-link .arrow-icon {
            font-size: 18px;
            line-height: 1;
        }

        /* ===== Stats Band ===== */
        .stats-band {
            background-color: var(--color-primary);
            padding: var(--spacing-xl) 0;
            position: relative;
            overflow: hidden;
        }

        .stats-band::before {
            content: '';
            position: absolute;
            top: 10%;
            right: 5%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(241, 194, 107, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            position: relative;
            z-index: 1;
        }

        .stat-item {
            text-align: center;
            color: var(--color-text-light);
            padding: var(--spacing-sm);
        }

        .stat-number {
            font-family: var(--font-display);
            font-size: 42px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: 0.04em;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.7);
            letter-spacing: 0.03em;
        }

        /* ===== Featured Topics ===== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .topic-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            min-height: 150px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }

        .topic-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
        }

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

        .topic-card .topic-title {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .topic-card .topic-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .topic-card .topic-link {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            display: block;
            z-index: 1;
        }

        .topic-card .topic-link:hover + .topic-title,
        .topic-card .topic-link:hover ~ .topic-title {
            color: var(--color-accent-hover);
        }

        /* ===== Notes Excerpt ===== */
        .notes-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .notes-list li {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }

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

        .notes-list .note-date {
            flex-shrink: 0;
            font-family: var(--font-display);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent-hover);
            min-width: 90px;
            padding-top: 4px;
        }

        .notes-list .note-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.6;
            transition: color var(--transition-fast);
        }

        .notes-list a:hover .note-title {
            color: var(--color-accent-hover);
        }

        .notes-list .note-sub {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        /* ===== Extended Description ===== */
        .extended-desc {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

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

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

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

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-box::before {
            content: '✦';
            position: absolute;
            top: -20px;
            left: 20px;
            font-size: 80px;
            color: rgba(241, 194, 107, 0.08);
            pointer-events: none;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -30px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(241, 194, 107, 0.14) 0%, transparent 68%);
            pointer-events: none;
        }

        .cta-box h2 {
            color: var(--color-text-light);
            font-size: 28px;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            color: rgba(240, 234, 224, 0.8);
            font-size: 15px;
            margin-bottom: var(--spacing-md);
            position: relative;
            z-index: 1;
        }

        .cta-box .btn-primary-cta {
            display: inline-block;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            font-size: 15px;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            letter-spacing: 0.03em;
        }

        .cta-box .btn-primary-cta:hover {
            background-color: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(241, 194, 107, 0.3);
            color: var(--color-primary-dark);
        }

        .cta-box .cta-sub {
            display: block;
            color: rgba(240, 234, 224, 0.6);
            font-size: 13px;
            margin-top: var(--spacing-sm);
            position: relative;
            z-index: 1;
        }

        /* ===== Subscribe ===== */
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 260px;
            padding: 14px 20px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            background-color: var(--color-surface);
            color: var(--color-text);
            font-size: 15px;
            transition: all var(--transition-fast);
        }

        .subscribe-form input::placeholder {
            color: #999;
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(241, 194, 107, 0.15);
            outline: none;
        }

        .subscribe-form button {
            padding: 14px 28px;
            background-color: var(--color-primary);
            color: var(--color-text-light);
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

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

        /* ===== Buttons General ===== */
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            background-color: transparent;
            color: var(--color-primary);
            font-weight: 500;
            font-size: 14px;
            transition: all var(--transition-fast);
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(240, 234, 224, 0.75);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .site-footer .footer-brand .brand-logo {
            font-size: 20px;
            margin-bottom: var(--spacing-sm);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(240, 234, 224, 0.6);
            margin-bottom: 0;
            max-width: 320px;
        }

        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.04em;
        }

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

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

        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.65);
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(240, 234, 224, 0.15);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 12px;
            color: rgba(240, 234, 224, 0.5);
        }

        .site-footer .footer-copyright {
            font-size: 13px;
        }

        .site-footer .footer-legal {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-legal a {
            color: rgba(240, 234, 224, 0.55);
            transition: color var(--transition-fast);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --spacing-xl: 48px;
            }

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }

            .stat-number {
                font-size: 34px;
            }

            .extended-desc {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 40px;
                --spacing-lg: 32px;
                --spacing-md: 20px;
            }

            .site-header .container {
                height: 60px;
            }

            .brand-logo {
                font-size: 19px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                padding: var(--spacing-md);
                gap: 6px;
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                z-index: 999;
            }

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

            .main-nav a {
                display: block;
                width: 100%;
                padding: 12px 16px;
                text-align: left;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }

            .nav-cta {
                display: block;
                text-align: center;
                margin-top: 4px;
                justify-content: center;
            }

            .hamburger {
                display: flex;
            }

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

            .page-header .page-excerpt {
                font-size: 15px;
            }

            .archive-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

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

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

            .stat-number {
                font-size: 30px;
            }

            .section-title {
                font-size: 26px;
            }

            .cta-box {
                padding: var(--spacing-lg) var(--spacing-md);
            }

            .cta-box h2 {
                font-size: 23px;
            }

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

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

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

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-xs);
            }

            .site-footer .footer-legal {
                justify-content: center;
            }

            .notes-list li {
                flex-direction: column;
                gap: 4px;
            }

            .notes-list .note-date {
                min-width: auto;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }

            .page-header h1 {
                font-size: 24px;
            }

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

            .stats-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .stat-number {
                font-size: 28px;
            }

            .archive-card .card-title {
                font-size: 17px;
            }

            .topic-card {
                padding: var(--spacing-md);
                min-height: 130px;
            }

            .topic-card .topic-title {
                font-size: 18px;
            }

            .extended-desc .desc-text p {
                font-size: 15px;
            }

            .cta-box h2 {
                font-size: 20px;
            }

            .brand-logo {
                font-size: 17px;
            }

            .brand-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1B1E3A;
            --color-primary-light: #2A2140;
            --color-primary-dark: #141529;
            --color-accent: #F1C26B;
            --color-accent-hover: #E5A94F;
            --color-bg: #F7F4EF;
            --color-bg-alt: #FAF6F0;
            --color-surface: #FFFFFF;
            --color-text: #2B2B2B;
            --color-text-muted: #545454;
            --color-text-light: #F0EAE0;
            --color-border: #E5E0D8;
            --color-border-light: rgba(229, 224, 216, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 12px rgba(27, 30, 58, 0.06);
            --shadow-md: 0 8px 28px rgba(27, 30, 58, 0.1);
            --shadow-lg: 0 20px 48px rgba(27, 30, 58, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --spacing-section: 72px;
            --font-display: 'Georgia', 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-hover);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            background: none;
            font-size: 16px;
            transition: all var(--transition-fast);
        }
        input {
            font-family: var(--font-body);
            font-size: 15px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        @media (min-width: 1080px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
            transition: background-color var(--transition-base);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--spacing-md);
        }
        .brand-logo {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.06em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, var(--color-accent), #b8860b);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--color-accent);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .main-nav a:hover {
            color: var(--color-accent);
            background-color: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--color-accent);
            background-color: rgba(241, 194, 107, 0.12);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 28px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(241, 194, 107, 0.35);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-text-light);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        @media (max-width: 991px) {
            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: var(--spacing-md);
                max-height: 0;
                overflow: hidden;
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            }
            .main-nav.open {
                max-height: 500px;
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-toggle {
                display: flex;
            }
        }
        @media (max-width: 575px) {
            .site-header .container {
                height: 64px;
            }
            .brand-logo {
                font-size: 19px;
            }
            .brand-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
            .main-nav {
                top: 64px;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-sm) 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li+li::before {
            content: '/';
            color: var(--color-border);
            font-size: 12px;
        }
        .breadcrumb a {
            color: var(--color-primary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--color-accent-hover);
        }
        .breadcrumb .current {
            color: var(--color-text-muted);
            font-weight: 400;
        }

        /* ===== Category Header ===== */
        .page-head {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: linear-gradient(165deg, #F7F4EF 0%, #FAF6F0 50%, #F0EAE0 100%);
            border-bottom: 1px solid var(--color-border);
        }
        .page-head .container {
            max-width: 860px;
            text-align: left;
        }
        .page-head .tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-hover);
            letter-spacing: 0.12em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
        }
        .page-head h1 {
            font-family: var(--font-display);
            font-size: 38px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 0.03em;
            line-height: 1.3;
        }
        .page-head .desc {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.8;
            max-width: 700px;
            margin: 0;
        }

        /* ===== Section ===== */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background-color: var(--color-bg-alt);
        }
        .section-dark {
            background-color: var(--color-primary);
            color: var(--color-text-light);
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-md);
            letter-spacing: 0.04em;
            line-height: 1.4;
        }
        .section-dark .section-title {
            color: var(--color-text-light);
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-lg);
            line-height: 1.8;
            max-width: 720px;
        }
        .section-dark .section-subtitle {
            color: rgba(240, 234, 224, 0.75);
        }
        .section-accent-line {
            display: block;
            width: 48px;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 3px;
            margin-bottom: var(--spacing-sm);
        }

        /* ===== Notes List Cards ===== */
        .notes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .note-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-base);
        }
        .note-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(241, 194, 107, 0.5);
        }
        .note-card .note-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background-color: #ECEAE6;
            position: relative;
        }
        .note-card .note-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .note-card:hover .note-img img {
            transform: scale(1.04);
        }
        .note-card .note-img .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(27, 30, 58, 0.6) 100%);
            pointer-events: none;
        }
        .note-card .note-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: var(--spacing-xs);
        }
        .note-card .note-date {
            font-size: 12px;
            color: var(--color-accent-hover);
            font-weight: 600;
            letter-spacing: 0.06em;
        }
        .note-card h3 {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }
        .note-card .note-excerpt {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .note-card .note-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: 12px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border-light);
            padding-top: var(--spacing-xs);
            margin-top: auto;
        }
        .note-card .note-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background-color: var(--color-accent);
            flex-shrink: 0;
        }

        /* ===== View More ===== */
        .view-more-wrap {
            text-align: center;
            margin-top: var(--spacing-lg);
        }
        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            padding: 10px 22px;
            border-radius: 28px;
            border: 1px solid var(--color-border);
            background-color: var(--color-surface);
            transition: all var(--transition-fast);
        }
        .view-more-link:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
            box-shadow: var(--shadow-sm);
        }
        .view-more-link .arrow {
            font-size: 18px;
            transition: transform var(--transition-fast);
        }
        .view-more-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== Detail Section / Intro ===== */
        .intro-detail {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .intro-detail .intro-text {
            font-size: 16px;
            color: var(--color-text);
            line-height: 2;
        }
        .intro-detail .intro-text p {
            margin-bottom: var(--spacing-md);
        }
        .intro-detail .intro-text p:last-child {
            margin-bottom: 0;
        }
        .intro-detail .intro-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4 / 3;
        }
        .intro-detail .intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== Stats ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .stat-block {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .stat-block:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(241, 194, 107, 0.4);
        }
        .stat-block .stat-number {
            font-family: var(--font-display);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-accent-hover);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }
        .stat-block .stat-label {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-top: var(--spacing-xs);
            letter-spacing: 0.04em;
        }

        /* ===== Feature Snapshot ===== */
        .feature-snapshot {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .feature-snapshot .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16 / 11;
        }
        .feature-snapshot .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-snapshot .feature-content h3 {
            font-family: var(--font-display);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-sm);
            line-height: 1.5;
        }
        .feature-snapshot .feature-content p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.9;
            margin-bottom: var(--spacing-sm);
        }
        .feature-snapshot .feature-content .feature-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent-hover);
            background-color: rgba(241, 194, 107, 0.15);
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-xs);
        }

        /* ===== Related Topic Cards ===== */
        .topic-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .topic-card {
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .topic-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(241, 194, 107, 0.4);
        }
        .topic-card .topic-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }
        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .topic-card:hover .topic-img img {
            transform: scale(1.05);
        }
        .topic-card .topic-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(27, 30, 58, 0.7) 100%);
            pointer-events: none;
        }
        .topic-card .topic-body {
            padding: var(--spacing-md);
        }
        .topic-card .topic-body h4 {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-xs);
            letter-spacing: 0.03em;
        }
        .topic-card .topic-body p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(241, 194, 107, 0.5);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-md);
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .faq-question:hover {
            color: var(--color-accent-hover);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 400;
            color: var(--color-accent-hover);
            transition: all var(--transition-base);
            user-select: none;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 var(--spacing-md);
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.9;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: var(--color-accent);
            background-color: rgba(241, 194, 107, 0.15);
        }

        /* ===== Subscribe ===== */
        .subscribe-box {
            background-color: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            box-shadow: var(--shadow-lg);
        }
        .subscribe-box .subs-text h3 {
            font-family: var(--font-display);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text-light);
            margin: 0 0 var(--spacing-xs);
            letter-spacing: 0.04em;
        }
        .subscribe-box .subs-text p {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.75);
            margin: 0;
            line-height: 1.7;
            max-width: 440px;
        }
        .subscribe-box .subs-form {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }
        .subscribe-box .subs-form input {
            padding: 12px 18px;
            border-radius: 28px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background-color: rgba(255, 255, 255, 0.08);
            color: var(--color-text-light);
            min-width: 260px;
            font-size: 14px;
            transition: all var(--transition-fast);
        }
        .subscribe-box .subs-form input::placeholder {
            color: rgba(240, 234, 224, 0.5);
        }
        .subscribe-box .subs-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(241, 194, 107, 0.2);
            outline: none;
        }
        .subscribe-box .subs-form .btn-subscribe {
            padding: 12px 24px;
            border-radius: 28px;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
        }
        .subscribe-box .subs-form .btn-subscribe:hover {
            background-color: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(241, 194, 107, 0.35);
            color: var(--color-primary-dark);
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: var(--color-text-light);
            margin-top: 0;
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .site-footer .footer-brand .brand-logo {
            font-size: 20px;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text-light);
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.7);
            line-height: 1.8;
            margin: 0;
            max-width: 300px;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-accent);
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 0.06em;
        }
        .site-footer .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: var(--spacing-xs);
        }
        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.7);
            transition: color var(--transition-fast);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: rgba(240, 234, 224, 0.55);
        }
        .site-footer .footer-legal {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--spacing-xs);
        }
        .site-footer .footer-legal a {
            color: rgba(240, 234, 224, 0.7);
        }
        .site-footer .footer-legal a:hover {
            color: var(--color-accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .notes-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-detail,
            .feature-snapshot {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 767px) {
            :root {
                --spacing-section: 52px;
            }
            .page-head {
                padding: var(--spacing-lg) 0;
            }
            .page-head h1 {
                font-size: 30px;
            }
            .notes-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .topic-cards {
                grid-template-columns: 1fr;
            }
            .subscribe-box {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-lg) var(--spacing-md);
            }
            .subscribe-box .subs-form {
                width: 100%;
                flex-wrap: wrap;
            }
            .subscribe-box .subs-form input {
                flex: 1;
                min-width: 0;
                width: 100%;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .site-footer .footer-legal {
                gap: var(--spacing-xs);
                flex-wrap: wrap;
            }
        }
        @media (max-width: 575px) {
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .page-head h1 {
                font-size: 26px;
            }
            .stat-block .stat-number {
                font-size: 30px;
            }
            .feature-snapshot .feature-content h3 {
                font-size: 20px;
            }
            .note-card .note-excerpt {
                -webkit-line-clamp: 3;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1B1E3A;
            --color-primary-light: #2A2140;
            --color-primary-dark: #141529;
            --color-accent: #F1C26B;
            --color-accent-hover: #E5A94F;
            --color-bg: #F7F4EF;
            --color-bg-alt: #FAF6F0;
            --color-surface: #FFFFFF;
            --color-text: #2B2B2B;
            --color-text-muted: #545454;
            --color-text-light: #F0EAE0;
            --color-border: #E5E0D8;
            --color-border-light: rgba(229, 224, 216, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 12px rgba(27, 30, 58, 0.06);
            --shadow-md: 0 8px 28px rgba(27, 30, 58, 0.1);
            --shadow-lg: 0 20px 48px rgba(27, 30, 58, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --spacing-section: 72px;
            --font-display: 'Georgia', 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            background: none;
            font-size: 16px;
            transition: all var(--transition-fast);
        }

        input {
            font-family: var(--font-body);
            font-size: 15px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

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

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--spacing-md);
        }

        .brand-logo {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.06em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, var(--color-accent), #b8860b);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

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

        .main-nav a.active {
            color: var(--color-accent);
            background-color: rgba(241, 194, 107, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

        .nav-cta:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(241, 194, 107, 0.35);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: none;
            border: none;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text-light);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        @media (max-width: 991.98px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: var(--color-primary);
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-md);
                gap: var(--spacing-xs);
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }

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

            .main-nav a {
                padding: 12px 16px;
                font-size: 16px;
                text-align: left;
            }

            .nav-toggle {
                display: flex;
            }
        }

        /* ===== Page Header (Breadcrumb) ===== */
        .page-header {
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border-light);
            padding: var(--spacing-md) 0;
        }

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

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

        .breadcrumb li+li::before {
            content: '/';
            color: var(--color-border);
            font-size: 13px;
        }

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

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

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

        /* ===== Category Hero ===== */
        .category-hero {
            background: linear-gradient(145deg, #1B1E3A 0%, #2A2140 55%, #1B1E3A 100%);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(241, 194, 107, 0.18) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(241, 194, 107, 0.1) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 38px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
            line-height: 1.3;
        }

        .category-hero .hero-desc {
            max-width: 720px;
            font-size: 16px;
            color: rgba(240, 234, 224, 0.85);
            line-height: 1.8;
            margin-bottom: 0;
        }

        @media (max-width: 767.98px) {
            .category-hero {
                padding: var(--spacing-lg) 0;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

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

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

        .section-title {
            font-family: var(--font-display);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-sm);
            line-height: 1.35;
        }

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

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.75;
            margin-bottom: var(--spacing-lg);
        }

        .section-dark .section-subtitle {
            color: rgba(240, 234, 224, 0.7);
        }

        @media (max-width: 767.98px) {
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 14px;
            }
        }

        /* ===== Membership Cards ===== */
        .membership-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .membership-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .membership-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-border);
            transition: background var(--transition-fast);
        }

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

        .membership-card:hover::before {
            background: var(--color-accent);
        }

        .membership-card .tier-label {
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--color-accent-hover);
            margin-bottom: var(--spacing-xs);
        }

        .membership-card .tier-name {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }

        .membership-card .tier-price {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.02em;
        }

        .membership-card .tier-price span {
            font-size: 14px;
            font-weight: 400;
            color: var(--color-text-muted);
        }

        .membership-card .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 var(--spacing-lg);
            flex: 1;
        }

        .membership-card .tier-features li {
            font-size: 14px;
            color: var(--color-text-muted);
            padding: 6px 0;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .membership-card .tier-features li::before {
            content: '✦';
            color: var(--color-accent);
            font-size: 10px;
            flex-shrink: 0;
            margin-top: 4px;
        }

        .btn-membership {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            border: 1px solid var(--color-primary);
        }

        .btn-membership:hover {
            background-color: var(--color-primary-light);
            color: var(--color-accent);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(27, 30, 58, 0.25);
            border-color: var(--color-primary-light);
        }

        @media (max-width: 991.98px) {
            .membership-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .membership-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Info Strip ===== */
        .info-strip {
            background-color: var(--color-primary);
            padding: var(--spacing-lg) 0;
            color: var(--color-text-light);
        }

        .info-strip .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .info-strip-text {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 600;
            letter-spacing: 0.03em;
            color: var(--color-text-light);
            max-width: 600px;
        }

        .info-strip-text em {
            font-style: normal;
            color: var(--color-accent);
        }

        /* ===== Benefit List ===== */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .benefit-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .benefit-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(241, 194, 107, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-accent-hover);
            margin-bottom: var(--spacing-sm);
            flex-shrink: 0;
        }

        .benefit-card h3 {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
            line-height: 1.4;
        }

        .benefit-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .benefit-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Featured Work Cards ===== */
        .work-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

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

        .work-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background-color: var(--color-bg-alt);
        }

        .work-card-body {
            padding: var(--spacing-md);
        }

        .work-card-title {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

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

        .work-card-meta {
            font-size: 13px;
            color: var(--color-accent-hover);
            border-top: 1px solid var(--color-border-light);
            padding-top: var(--spacing-xs);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        @media (max-width: 991.98px) {
            .work-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .work-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Activity List ===== */
        .activity-list {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .activity-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding: var(--spacing-md) var(--spacing-lg);
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
        }

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

        .activity-item:hover {
            background: var(--color-bg-alt);
        }

        .activity-date {
            min-width: 72px;
            text-align: center;
            background: var(--color-primary);
            color: var(--color-text-light);
            border-radius: var(--radius-sm);
            padding: 8px 10px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
        }

        .activity-date strong {
            display: block;
            font-size: 20px;
            font-family: var(--font-display);
            color: var(--color-accent);
            line-height: 1.2;
        }

        .activity-info h4 {
            font-family: var(--font-display);
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .activity-info p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        @media (max-width: 575.98px) {
            .activity-item {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
                padding: var(--spacing-md);
            }
            .activity-date {
                min-width: 100%;
                display: flex;
                align-items: baseline;
                gap: 8px;
            }
            .activity-date strong {
                display: inline;
                font-size: 18px;
            }
        }

        /* ===== FAQ ===== */
        .faq-accordion {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: var(--spacing-md) var(--spacing-lg);
            font-family: var(--font-display);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            transition: all var(--transition-fast);
            gap: var(--spacing-sm);
        }

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

        .faq-icon {
            font-size: 22px;
            font-weight: 300;
            color: var(--color-accent-hover);
            flex-shrink: 0;
            transition: transform var(--transition-base);
            line-height: 1;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 var(--spacing-lg);
        }

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

        .faq-answer p {
            padding: 0 0 var(--spacing-md);
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ===== CTA Panel ===== */
        .cta-panel {
            background: linear-gradient(135deg, #1B1E3A 0%, #2A2140 50%, #1B1E3A 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -20px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(241, 194, 107, 0.2) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel .container {
            position: relative;
            z-index: 2;
        }

        .cta-panel h2 {
            font-family: var(--font-display);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

        .cta-panel p {
            font-size: 15px;
            color: rgba(240, 234, 224, 0.8);
            max-width: 560px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }

        .btn-cta-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(241, 194, 107, 0.35);
        }

        .btn-cta-accent:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(241, 194, 107, 0.45);
        }

        @media (max-width: 575.98px) {
            .cta-panel {
                padding: var(--spacing-lg) var(--spacing-md);
            }
            .cta-panel h2 {
                font-size: 22px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(240, 234, 224, 0.75);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .brand-logo {
            font-size: 20px;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(240, 234, 224, 0.65);
            max-width: 280px;
            margin-bottom: 0;
        }

        .site-footer h4 {
            font-family: var(--font-display);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.04em;
        }

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

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

        .site-footer ul a {
            color: rgba(240, 234, 224, 0.65);
            font-size: 14px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: rgba(240, 234, 224, 0.5);
        }

        .footer-copyright {
            font-size: 13px;
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: 13px;
        }

        .footer-legal a {
            color: rgba(240, 234, 224, 0.5);
        }

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

        @media (max-width: 991.98px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1B1E3A;
            --color-primary-light: #2A2140;
            --color-primary-dark: #141529;
            --color-accent: #F1C26B;
            --color-accent-hover: #E5A94F;
            --color-bg: #F7F4EF;
            --color-bg-alt: #FAF6F0;
            --color-surface: #FFFFFF;
            --color-text: #2B2B2B;
            --color-text-muted: #545454;
            --color-text-light: #F0EAE0;
            --color-border: #E5E0D8;
            --color-border-light: rgba(229, 224, 216, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 12px rgba(27, 30, 58, 0.06);
            --shadow-md: 0 8px 28px rgba(27, 30, 58, 0.1);
            --shadow-lg: 0 20px 48px rgba(27, 30, 58, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --spacing-section: 72px;
            --font-display: 'Georgia', 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            background: none;
            font-size: 16px;
            transition: all var(--transition-fast);
        }

        input {
            font-family: var(--font-body);
            font-size: 15px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

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

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
            transition: background-color var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--spacing-md);
        }

        .brand-logo {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-light);
            letter-spacing: 0.06em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, var(--color-accent), #b8860b);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .main-nav a {
            color: var(--color-text-light);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

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

        .main-nav a.active {
            color: var(--color-accent);
            background-color: rgba(241, 194, 107, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .nav-cta:hover {
            background-color: var(--color-accent-hover);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
        }

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

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text-light);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

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

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

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

        @media (max-width: 1024px) {
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                background-color: var(--color-primary);
                padding: var(--spacing-md);
                gap: var(--spacing-sm);
                box-shadow: var(--shadow-lg);
                display: none;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-top: var(--spacing-xs);
            }
        }

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

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

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

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

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

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

        /* ===== Page Header ===== */
        .page-header {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 60%, #1a1533 100%);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(241, 194, 107, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-header::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(241, 194, 107, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .page-header h1 {
            font-family: var(--font-display);
            font-size: 38px;
            font-weight: 700;
            color: var(--color-text-light);
            margin: 0 0 var(--spacing-sm) 0;
            letter-spacing: 0.04em;
            line-height: 1.3;
        }

        .page-header .page-description {
            font-size: 16px;
            color: rgba(240, 234, 224, 0.85);
            max-width: 700px;
            line-height: 1.8;
            margin: 0;
        }

        @media (min-width: 768px) {
            .page-header h1 {
                font-size: 44px;
            }
        }

        /* ===== Section General ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

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

        .section-title {
            font-family: var(--font-display);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-sm) 0;
            letter-spacing: 0.03em;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            margin: 0 0 var(--spacing-lg) 0;
            line-height: 1.8;
            max-width: 700px;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 34px;
            }
        }

        /* ===== Guide List Cards ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

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

        .guide-card-image {
            position: relative;
            width: 100%;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

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

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

        .guide-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: rgba(27, 30, 58, 0.85);
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        .guide-card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .guide-card-body h3 {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-xs) 0;
            line-height: 1.45;
        }

        .guide-card-meta {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .guide-card-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background-color: var(--color-accent);
            display: inline-block;
        }

        .guide-card-excerpt {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0 0 var(--spacing-sm) 0;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-card-footer {
            border-top: 1px solid var(--color-border-light);
            padding-top: var(--spacing-sm);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .guide-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }

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

        .guide-card-link .arrow {
            transition: transform var(--transition-fast);
        }

        .guide-card-link:hover .arrow {
            transform: translateX(3px);
        }

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

        @media (max-width: 520px) {
            .guide-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== View More ===== */
        .view-more-wrap {
            text-align: center;
            margin-top: var(--spacing-lg);
        }

        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            padding: 10px 24px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .view-more-link:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
            background-color: rgba(241, 194, 107, 0.06);
        }

        .view-more-link .arrow {
            transition: transform var(--transition-fast);
        }

        .view-more-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== Time Table / Schedule ===== */
        .schedule-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .schedule-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-base);
        }

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

        .schedule-month {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: var(--spacing-xs);
        }

        .schedule-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }

        .schedule-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

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

        @media (max-width: 520px) {
            .schedule-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Equipment List ===== */
        .equipment-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .equipment-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: var(--spacing-sm);
            align-items: flex-start;
            transition: all var(--transition-base);
        }

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

        .equipment-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(241, 194, 107, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-accent);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .equipment-content h4 {
            font-family: var(--font-display);
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-xs) 0;
        }

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

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

        /* ===== Tips Cards ===== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .tip-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

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

        .tip-number {
            font-family: var(--font-display);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: var(--spacing-sm);
            opacity: 0.7;
        }

        .tip-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 var(--spacing-xs) 0;
            line-height: 1.5;
        }

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

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

        @media (max-width: 520px) {
            .tips-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-md);
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            font-family: var(--font-body);
            transition: color var(--transition-fast);
            gap: var(--spacing-sm);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: rgba(241, 194, 107, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            font-weight: 400;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 var(--spacing-md);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 70%, #1a1533 100%);
            padding: var(--spacing-xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(241, 194, 107, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-light);
            margin: 0 0 var(--spacing-sm) 0;
            letter-spacing: 0.03em;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(240, 234, 224, 0.8);
            max-width: 600px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            transition: all var(--transition-fast);
            border: none;
        }

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

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-text-light);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            border: 1px solid rgba(240, 234, 224, 0.4);
            transition: all var(--transition-fast);
        }

        .btn-outline-light:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background-color: rgba(241, 194, 107, 0.06);
        }

        @media (min-width: 768px) {
            .cta-section h2 {
                font-size: 36px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary-dark);
            margin-top: auto;
        }

        .site-footer .container {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-lg);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .footer-brand .brand-logo {
            font-size: 20px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.7);
            line-height: 1.8;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-accent);
            margin: 0 0 var(--spacing-sm) 0;
            letter-spacing: 0.05em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.7);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(240, 234, 224, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .footer-copyright {
            font-size: 14px;
            color: rgba(240, 234, 224, 0.6);
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            align-items: center;
            font-size: 13px;
            color: rgba(240, 234, 224, 0.5);
        }

        .footer-legal a {
            color: rgba(240, 234, 224, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-legal span {
            color: rgba(240, 234, 224, 0.3);
        }

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

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                text-align: center;
            }
            .footer-legal {
                justify-content: center;
            }
        }

        /* ===== Responsive Image ===== */
        .responsive-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

/* 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}