/* roulang page: index */
:root {
            --color-primary: #C62F2F;
            --color-primary-dark: #A82424;
            --color-primary-light: rgba(198, 47, 47, 0.1);
            --color-accent: #E8A33D;
            --color-bg: #F7F5F0;
            --color-bg-dark: #1D1F22;
            --color-bg-card: #FFFFFF;
            --color-text-heading: #1D1F22;
            --color-text-body: #3D4045;
            --color-text-muted: #7D838C;
            --color-green: #2E7D4F;
            --color-border: #E7E2D9;
            --color-border-hover: #C62F2F;
            --radius-lg: 10px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.14);
            --font-family-base: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-family-mono: "SF Mono", "Menlo", "Consolas", "Courier New", monospace;
            --container-max: 1200px;
            --section-padding: 56px 0;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
        }

        *,
        *::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-family-base);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

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

        /* HEADER */
        .site-header {
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-md);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .main-nav {
            display: none;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
        }

        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
            }
        }

        .main-nav a,
        .main-nav .nav-dropdown-toggle {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-body);
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .main-nav a:hover,
        .main-nav .nav-dropdown-toggle:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }

        .nav-dropdown {
            position: relative;
        }

        .nav-dropdown-menu {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            min-width: 180px;
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transform-origin: top center;
            transition: all var(--transition-base);
            z-index: 100;
        }

        .nav-dropdown:hover .nav-dropdown-menu,
        .nav-dropdown:focus-within .nav-dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .nav-dropdown-menu a {
            display: block;
            padding: 8px 18px;
            font-size: 14px;
            color: var(--color-text-body);
            border-radius: 0;
            white-space: nowrap;
        }

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

        .hamburger {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            background: var(--color-bg-card);
            transition: all var(--transition-fast);
        }

        .hamburger:hover {
            border-color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .hamburger-line {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--color-text-heading);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active .hamburger-line:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .hamburger.active .hamburger-line:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }

        .mobile-nav {
            display: none;
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .mobile-nav.open {
            display: block;
            max-height: 500px;
        }

        .mobile-nav-inner {
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav a {
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            display: block;
        }

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

        .mobile-sub-nav {
            padding-left: 16px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .mobile-sub-nav a {
            font-size: 14px;
            color: var(--color-text-muted);
            padding: 6px 12px;
        }

        /* HERO */
        .hero {
            background: var(--color-bg);
            padding: var(--section-padding);
            position: relative;
            overflow: hidden;
        }

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

        @media (min-width: 1024px) {
            .hero .container {
                grid-template-columns: 55% 45%;
                gap: var(--spacing-xl);
            }
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 20px;
            width: fit-content;
            letter-spacing: 0.5px;
        }

        .hero-tag::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--color-primary);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }

        .hero h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-heading);
            letter-spacing: 0.3px;
        }

        @media (min-width: 768px) {
            .hero h1 {
                font-size: 38px;
            }
        }

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

        .hero-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-body);
            max-width: 520px;
        }

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

        .btn-primary,
        .btn-secondary,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(198, 47, 47, 0.25);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(198, 47, 47, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(198, 47, 47, 0.2);
        }

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

        .btn-secondary:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(198, 47, 47, 0.12);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-ghost {
            background: var(--color-bg-card);
            color: var(--color-text-heading);
            border: 1px solid var(--color-border);
            padding: 10px 18px;
            font-size: 14px;
        }

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

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            min-height: 280px;
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
            max-height: 420px;
        }

        @media (min-width: 1024px) {
            .hero-visual {
                min-height: 380px;
            }
            .hero-visual img {
                min-height: 380px;
                max-height: 420px;
            }
        }

        .hero-visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(29, 31, 34, 0) 40%, rgba(29, 31, 34, 0.75) 100%);
            display: flex;
            align-items: flex-end;
            padding: var(--spacing-md);
        }

        .hero-visual-overlay span {
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
        }

        .hero-trust-bar {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
        }

        .trust-item {
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .trust-item .trust-value {
            font-size: 22px;
            font-weight: 750;
            color: var(--color-accent);
            font-family: var(--font-family-mono);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .trust-item .trust-label {
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 400;
        }

        /* SECTION COMMON */
        .section {
            padding: var(--section-padding);
        }

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

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

        .section-header {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
            margin-bottom: var(--spacing-lg);
        }

        .section-header h2 {
            font-size: 22px;
            font-weight: 650;
            color: var(--color-text-heading);
            line-height: 1.35;
            letter-spacing: 0.3px;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            max-width: 620px;
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.65);
        }

        /* CARDS */
        .card-grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        .card-grid-4 {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

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

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #d8d2c6;
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

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

        .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-heading);
            line-height: 1.4;
        }

        .card-desc {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.65;
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 20px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            white-space: nowrap;
        }

        .badge-green {
            background: rgba(46, 125, 79, 0.1);
            color: var(--color-green);
        }

        .badge-gray {
            background: #f0efeb;
            color: var(--color-text-muted);
        }

        .badge-gold {
            background: rgba(232, 163, 61, 0.12);
            color: #b87c1e;
        }

        /* FOCUS MATCH CARDS */
        .match-card .card-img-wrap {
            position: relative;
        }

        .match-card .card-img-wrap img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .match-card .league-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(29, 31, 34, 0.8);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.5px;
        }

        .match-card .match-info {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .match-card .match-teams {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-heading);
            line-height: 1.3;
        }

        .match-card .match-direction {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .match-card .match-direction .recommend {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
        }

        .match-card .stars {
            display: flex;
            gap: 3px;
        }

        .match-card .stars .star {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .match-card .stars .star.empty {
            background: #ddd8cd;
        }

        /* TICKER / SCROLLBAR */
        .ticker-wrapper {
            display: flex;
            align-items: stretch;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .ticker-title {
            display: flex;
            align-items: center;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            background: var(--color-primary);
            padding: 12px 20px;
            border-radius: var(--radius-md);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .ticker-track {
            flex: 1;
            overflow: hidden;
            position: relative;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.06);
            min-height: 48px;
            display: flex;
            align-items: center;
        }

        .ticker-items {
            display: flex;
            gap: var(--spacing-lg);
            padding: 0 var(--spacing-md);
            animation: ticker-scroll 30s linear infinite;
            white-space: nowrap;
            will-change: transform;
        }

        @keyframes ticker-scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        .ticker-item {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            white-space: nowrap;
        }

        .ticker-item .hit {
            color: #6abf8a;
            font-weight: 600;
        }

        .ticker-item .miss {
            color: #b0a8a0;
            font-weight: 500;
        }

        .ticker-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
        }

        .ticker-icon.check {
            background: rgba(46, 125, 79, 0.3);
            color: #6abf8a;
        }

        .ticker-icon.cross {
            background: rgba(125, 131, 140, 0.3);
            color: #b0a8a0;
        }

        /* LEAGUE ENTRY GRID */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .league-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .league-grid {
                grid-template-columns: repeat(6, 1fr);
            }
        }

        .league-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
            transition: all var(--transition-base);
            text-align: left;
        }

        .league-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .league-item .league-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            font-weight: 700;
            margin-bottom: 4px;
        }

        .league-item .league-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-heading);
        }

        .league-item .league-desc {
            font-size: 12px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* EXPERT SECTION */
        .expert-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
        }

        @media (min-width: 1024px) {
            .expert-layout {
                grid-template-columns: 65% 35%;
            }
        }

        .expert-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .expert-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            transition: all var(--transition-fast);
        }

        .expert-item:hover {
            border-color: #d8d2c6;
            box-shadow: var(--shadow-sm);
        }

        .expert-avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
            letter-spacing: 0;
        }

        .expert-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .expert-info .expert-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-heading);
        }

        .expert-info .expert-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            margin-top: 2px;
        }

        .expert-info .expert-tags .badge {
            font-size: 11px;
            padding: 2px 8px;
        }

        .expert-recent {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .expert-rate {
            flex-shrink: 0;
            text-align: right;
        }

        .expert-rate .rate-value {
            font-size: 22px;
            font-weight: 750;
            font-family: var(--font-family-mono);
            color: var(--color-accent);
            line-height: 1.2;
        }

        .expert-rate .rate-label {
            font-size: 11px;
            color: var(--color-text-muted);
        }

        .rank-chart {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .rank-chart .chart-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-heading);
            text-align: center;
            margin-bottom: var(--spacing-xs);
        }

        .rank-bar-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .rank-bar-item .rank-name {
            font-size: 12px;
            color: var(--color-text-muted);
            width: 50px;
            flex-shrink: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-bar-item .rank-bar-bg {
            flex: 1;
            height: 18px;
            background: #f0efeb;
            border-radius: 4px;
            overflow: hidden;
            position: relative;
        }

        .rank-bar-item .rank-bar-fill {
            height: 100%;
            background: var(--color-primary);
            border-radius: 4px;
            transition: width var(--transition-slow);
        }

        .rank-bar-item .rank-value {
            font-size: 12px;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-family-mono);
            width: 38px;
            text-align: right;
            flex-shrink: 0;
        }

        /* ODDS TABLE */
        .odds-table-wrap {
            overflow-x: auto;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .odds-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 560px;
        }

        .odds-table th,
        .odds-table td {
            padding: 12px 16px;
            text-align: left;
            font-size: 14px;
            border-bottom: 1px solid var(--color-border);
        }

        .odds-table th {
            font-weight: 600;
            font-size: 13px;
            color: var(--color-text-muted);
            background: #faf9f6;
            white-space: nowrap;
        }

        .odds-table tr:last-child td {
            border-bottom: none;
        }

        .odds-table .odds-up {
            color: var(--color-primary);
            font-weight: 600;
            font-family: var(--font-family-mono);
        }

        .odds-table .odds-down {
            color: var(--color-green);
            font-weight: 600;
            font-family: var(--font-family-mono);
        }

        .odds-table .odds-flat {
            color: var(--color-text-muted);
            font-family: var(--font-family-mono);
        }

        /* COLD WARNING */
        .cold-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .cold-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .cold-card {
            background: var(--color-bg-card);
            border: 2px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            transition: all var(--transition-base);
        }

        .cold-card.high-risk {
            border-color: var(--color-primary);
            box-shadow: 0 4px 16px rgba(198, 47, 47, 0.1);
        }

        .cold-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .cold-card .cold-match {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-heading);
        }

        .cold-card .cold-level {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            width: fit-content;
        }

        .cold-card .cold-level.high {
            color: var(--color-primary);
        }

        .cold-card .cold-level.medium {
            color: var(--color-accent);
        }

        .cold-card .cold-level.low {
            color: var(--color-text-muted);
        }

        .cold-card .cold-reason {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.6;
        }

        .cold-card .cold-suggest {
            font-size: 13px;
            color: var(--color-text-muted);
            font-style: italic;
        }

        /* BRAND INTRO */
        .brand-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        @media (min-width: 1024px) {
            .brand-layout {
                grid-template-columns: 1fr 1fr;
            }
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .brand-text h2 {
            font-size: 22px;
            font-weight: 650;
            color: var(--color-text-heading);
        }

        .brand-text p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-body);
        }

        .brand-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .brand-visual img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        /* INTEL LIST */
        .intel-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

        .intel-item:hover {
            border-color: #d8d2c6;
            box-shadow: var(--shadow-sm);
        }

        .intel-tag {
            flex-shrink: 0;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            margin-top: 2px;
            white-space: nowrap;
        }

        .intel-content {
            flex: 1;
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.65;
        }

        /* STRATEGY */
        .strategy-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        @media (min-width: 1024px) {
            .strategy-layout {
                grid-template-columns: 1fr 1fr;
            }
        }

        .strategy-points {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .strategy-point {
            display: flex;
            gap: var(--spacing-sm);
            align-items: flex-start;
        }

        .strategy-point .point-num {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            font-family: var(--font-family-mono);
            margin-top: 2px;
        }

        .strategy-point .point-text {
            flex: 1;
            font-size: 14px;
            line-height: 1.65;
            color: var(--color-text-body);
        }

        .strategy-point .point-text strong {
            font-weight: 600;
            color: var(--color-text-heading);
        }

        .strategy-visual {
            background: var(--color-bg-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .strategy-visual .sv-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }

        .strategy-visual .sv-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
        }

        .strategy-visual .sv-bar {
            flex: 1;
            height: 10px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.1);
            overflow: hidden;
        }

        .strategy-visual .sv-bar .sv-fill {
            height: 100%;
            border-radius: 4px;
        }

        .sv-fill.red {
            background: var(--color-primary);
        }

        .sv-fill.gold {
            background: var(--color-accent);
        }

        .sv-fill.green {
            background: var(--color-green);
        }

        /* TESTIMONIAL */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .testimonial-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            transition: all var(--transition-base);
        }

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

        .testimonial-card .testi-user {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .testi-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .testimonial-card .testi-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-heading);
        }

        .testimonial-card .testi-text {
            font-size: 13px;
            color: var(--color-text-body);
            line-height: 1.7;
        }

        .testimonial-card .testi-match {
            font-size: 12px;
            color: var(--color-text-muted);
            background: #faf9f6;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 820px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: #d8d2c6;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-md);
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-heading);
            transition: all var(--transition-fast);
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
            font-family: var(--font-family-mono);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.7;
            padding: 0 var(--spacing-md);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }

        /* SUBSCRIBE CTA */
        .subscribe-cta {
            background: var(--color-bg-dark);
            padding: var(--section-padding);
            text-align: center;
        }

        .subscribe-cta .subscribe-inner {
            max-width: 560px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            align-items: center;
        }

        .subscribe-cta h3 {
            font-size: 22px;
            font-weight: 650;
            color: #fff;
            line-height: 1.35;
        }

        .subscribe-cta p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: var(--spacing-sm);
            width: 100%;
            max-width: 420px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.12);
        }

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

        /* FOOTER */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            display: inline-block;
        }

        .footer-brand .logo-text span {
            color: var(--color-primary);
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-links h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .footer-links a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: all var(--transition-fast);
        }

        .footer-links 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;
            flex-direction: column;
            gap: var(--spacing-sm);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

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

        /* RESPONSIVE HELPERS */
        .text-center {
            text-align: center;
        }

        .text-right {
            text-align: right;
        }

        .mt-sm {
            margin-top: var(--spacing-sm);
        }

        .mt-md {
            margin-top: var(--spacing-md);
        }

        .mt-lg {
            margin-top: var(--spacing-lg);
        }

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

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

        .gap-sm {
            gap: var(--spacing-sm);
        }

        .flex-wrap {
            flex-wrap: wrap;
        }

        @media (max-width: 767px) {
            :root {
                --section-padding: 40px 0;
            }

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

            .section-header h2 {
                font-size: 19px;
            }

            .card {
                border-radius: var(--radius-md);
            }

            .trust-item .trust-value {
                font-size: 18px;
            }

            .match-card .match-teams {
                font-size: 16px;
            }

            .ticker-title {
                width: 100%;
                justify-content: center;
            }

            .ticker-track {
                min-height: 40px;
            }

            .ticker-items {
                animation-duration: 20s;
            }

            .odds-table th,
            .odds-table td {
                padding: 8px 12px;
                font-size: 12px;
            }

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

            .cold-card .cold-match {
                font-size: 16px;
            }

            .brand-text h2 {
                font-size: 19px;
            }

            .subscribe-cta h3 {
                font-size: 19px;
            }
        }

        @media (max-width: 520px) {
            .hero-cta {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
            }

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

            .trust-item .trust-value {
                font-size: 16px;
            }

            .expert-item {
                flex-wrap: wrap;
            }

            .expert-rate {
                text-align: left;
                margin-left: 56px;
            }

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

/* roulang page: category1 */
:root {
            --color-primary: #C62F2F;
            --color-primary-dark: #A82424;
            --color-primary-light: rgba(198, 47, 47, 0.1);
            --color-accent: #E8A33D;
            --color-bg: #F7F5F0;
            --color-bg-dark: #1D1F22;
            --color-bg-card: #FFFFFF;
            --color-text-heading: #1D1F22;
            --color-text-body: #3D4045;
            --color-text-muted: #7D838C;
            --color-green: #2E7D4F;
            --color-border: #E7E2D9;
            --color-border-hover: #C62F2F;
            --radius-lg: 10px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.14);
            --font-family-base: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-family-mono: "SF Mono", "Menlo", "Consolas", "Courier New", monospace;
            --container-max: 1200px;
            --section-padding: 56px 0;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
        }

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

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

        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

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

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

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

        /* HEADER */
        .site-header {
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-md);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-body);
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            margin-left: auto;
        }

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

        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }

        .mobile-nav a {
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-body);
            transition: all var(--transition-fast);
        }

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

        /* BREADCRUMB */
        .breadcrumb-section {
            background: transparent;
            padding: 16px 0 0;
        }

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

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

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

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

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

        /* MAIN */
        main {
            flex: 1;
        }

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

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

        .section-title {
            font-size: 22px;
            font-weight: 650;
            line-height: 1.35;
            color: var(--color-text-heading);
            margin: 0 0 8px 0;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        .card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .btn-primary-red {
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-fast);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-red:hover,
        .btn-primary-red:focus {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline-red {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-md);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-red:hover,
        .btn-outline-red:focus {
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

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

        .badge-green {
            background: rgba(46, 125, 79, 0.1);
            color: var(--color-green);
        }

        .badge-gray {
            background: #f0ede8;
            color: var(--color-text-muted);
        }

        .badge-gold {
            background: rgba(232, 163, 61, 0.15);
            color: #b57c20;
        }

        /* CATEGORY INTRO */
        .category-intro {
            display: grid;
            grid-template-columns: 1fr 400px;
            gap: var(--spacing-xl);
            align-items: center;
            margin-bottom: var(--spacing-lg);
        }

        .category-intro-content h1 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-heading);
            margin: 0 0 16px 0;
        }

        .category-intro-content p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text-body);
            margin: 0;
        }

        .category-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .category-intro-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        /* FILTER TAGS */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: var(--spacing-lg);
        }

        .filter-tag {
            padding: 8px 16px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-body);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .filter-tag:hover,
        .filter-tag.active {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        /* LIST ITEMS */
        .list-container {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .list-item-horizontal {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: var(--spacing-md);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .list-item-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 150px;
        }

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

        .list-item-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .list-item-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-heading);
            margin: 0 0 6px 0;
            line-height: 1.4;
        }

        .list-item-content .summary {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0 0 10px 0;
        }

        .list-item-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .list-item-meta .date {
            font-family: var(--font-family-mono);
            letter-spacing: 0.5px;
        }

        .list-item-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .list-item-row h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-heading);
            margin: 0;
            flex: 1;
        }

        .list-item-row .date {
            font-size: 14px;
            font-family: var(--font-family-mono);
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .list-item-row .badge-tag {
            flex-shrink: 0;
        }

        /* DATA SUMMARY */
        .data-summary {
            background: var(--color-bg-dark);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: var(--spacing-xl);
        }

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

        .data-stat .number {
            font-size: 28px;
            font-weight: 750;
            font-family: var(--font-family-mono);
            color: var(--color-accent);
            line-height: 1.2;
            display: block;
        }

        .data-stat .label {
            font-size: 14px;
            color: #c0c4cc;
            margin-top: 6px;
        }

        /* TOPIC ENTRY */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

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

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

        .topic-card .topic-icon {
            font-size: 28px;
            margin-bottom: 12px;
        }

        .topic-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-heading);
            margin: 0 0 6px 0;
        }

        .topic-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* CTA */
        .cta-box {
            background: var(--color-bg-dark);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
        }

        .cta-box h3 {
            font-size: 22px;
            font-weight: 650;
            color: #fff;
            margin: 0 0 12px 0;
        }

        .cta-box p {
            font-size: 15px;
            color: #c0c4cc;
            margin: 0 auto 24px;
            max-width: 560px;
        }

        /* FAQ */
        .accordion-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-header {
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--color-text-heading);
            transition: background var(--transition-fast);
        }

        .accordion-header:hover {
            background: var(--color-primary-light);
        }

        .accordion-body {
            padding: 0 20px 16px;
            font-size: 15px;
            color: var(--color-text-body);
            line-height: 1.7;
        }

        /* FOOTER */
        .site-footer {
            background: var(--color-bg-dark);
            color: #c0c4cc;
            margin-top: var(--spacing-xxl);
            padding: 48px 0 24px;
        }

        .site-footer .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-text {
            font-size: 22px;
            color: #fff;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #9da3ad;
            margin: 12px 0 0;
        }

        .footer-links h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px 0;
        }

        .footer-links a {
            display: block;
            font-size: 14px;
            color: #9da3ad;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid #3a3d42;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #7d838c;
        }

        .footer-bottom a {
            color: #9da3ad;
        }

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

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .category-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-intro-image img {
                height: 220px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-summary {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 40px 0;
            }
            .container {
                padding: 0 16px;
            }
            .site-header .container {
                height: 56px;
                padding: 0 16px;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav.open {
                display: flex;
            }
            .category-intro-content h1 {
                font-size: 24px;
            }
            .filter-tags {
                gap: 8px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 13px;
            }
            .list-item-horizontal {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .list-item-image {
                height: 180px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .data-summary {
                padding: 24px 16px;
                gap: 16px;
            }
            .data-stat .number {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .category-intro-image img {
                height: 180px;
            }
            .list-item-row {
                flex-wrap: wrap;
                gap: 8px;
            }
            .list-item-row h3 {
                flex-basis: 100%;
                font-size: 15px;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h3 {
                font-size: 19px;
            }
            .section-title {
                font-size: 19px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #C62F2F;
            --color-primary-dark: #A82424;
            --color-primary-light: rgba(198, 47, 47, 0.1);
            --color-accent: #E8A33D;
            --color-bg: #F7F5F0;
            --color-bg-dark: #1D1F22;
            --color-bg-card: #FFFFFF;
            --color-text-heading: #1D1F22;
            --color-text-body: #3D4045;
            --color-text-muted: #7D838C;
            --color-green: #2E7D4F;
            --color-border: #E7E2D9;
            --color-border-hover: #C62F2F;
            --radius-lg: 10px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.14);
            --font-family-base: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-family-mono: "SF Mono", "Menlo", "Consolas", "Courier New", monospace;
            --container-max: 1200px;
            --section-padding: 56px 0;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        @media (min-width: 992px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-padding: 36px 0;
            }
            body {
                font-size: 15px;
                line-height: 1.6;
            }
        }

        /* HEADER */
        .site-header {
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-md);
        }
        @media (max-width: 768px) {
            .site-header .container {
                height: 56px;
            }
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: 0 2px 6px rgba(198, 47, 47, 0.2);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--color-primary);
        }
        .main-nav {
            display: none;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
        }
        @media (min-width: 992px) {
            .main-nav {
                display: flex;
            }
        }
        .main-nav>a,
        .nav-dropdown-toggle {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-body);
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
        }
        .main-nav>a:hover,
        .nav-dropdown-toggle:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .main-nav>a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .main-nav>a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }
        .nav-dropdown {
            position: relative;
        }
        .nav-dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 180px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition-base);
            z-index: 1001;
        }
        .nav-dropdown:hover .nav-dropdown-menu,
        .nav-dropdown:focus-within .nav-dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .nav-dropdown-menu a {
            display: block;
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-body);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-dropdown-menu a:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }
        .header-actions .btn-subscribe-sm {
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .header-actions .btn-subscribe-sm:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            color: #fff;
        }
        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .hamburger:hover {
            background: var(--color-primary-light);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text-heading);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }
        @media (min-width: 992px) {
            .hamburger {
                display: none;
            }
        }
        /* Mobile nav */
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing-md);
        }
        .mobile-nav.open {
            max-height: 500px;
            padding: var(--spacing-sm) var(--spacing-md);
        }
        .mobile-nav a,
        .mobile-nav .mobile-dropdown-toggle {
            display: block;
            padding: 10px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-body);
            border-bottom: 1px solid var(--color-border);
            cursor: pointer;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .mobile-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-dropdown-menu {
            padding-left: var(--spacing-md);
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        .mobile-dropdown-menu.open {
            max-height: 280px;
        }
        .mobile-dropdown-menu a {
            font-size: 14px;
            padding: 8px 0;
            border-bottom: 1px dashed var(--color-border);
        }
        .mobile-dropdown-menu a:last-child {
            border-bottom: none;
        }
        @media (max-width: 991px) {
            .mobile-nav {
                display: flex;
            }
        }

        /* MAIN */
        .site-main {
            flex: 1;
        }
        .section {
            padding: var(--section-padding);
        }
        .section-alt {
            background: var(--color-bg-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-bg-card);
        }
        .section-title {
            font-size: 22px;
            font-weight: 650;
            line-height: 1.35;
            color: var(--color-text-heading);
            margin-bottom: var(--spacing-sm);
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            margin-bottom: var(--spacing-lg);
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 19px;
            }
            .section-subtitle {
                font-size: 14px;
            }
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            padding: var(--spacing-md) 0 0;
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .breadcrumb-wrapper a {
            color: var(--color-text-muted);
        }
        .breadcrumb-wrapper a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-wrapper .separator {
            margin: 0 8px;
            color: var(--color-border);
        }
        .breadcrumb-wrapper .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* Category header */
        .category-header {
            padding: var(--spacing-md) 0 var(--spacing-lg);
        }
        .category-header-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: var(--spacing-lg);
            align-items: start;
        }
        @media (max-width: 768px) {
            .category-header-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }
        .category-header h1 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-heading);
            margin-bottom: var(--spacing-sm);
        }
        @media (max-width: 768px) {
            .category-header h1 {
                font-size: 22px;
            }
        }
        .category-header .lead {
            font-size: 16px;
            color: var(--color-text-body);
            line-height: 1.75;
        }
        .category-header-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
        }
        .category-header-image img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .category-header-image img {
                height: 160px;
            }
        }

        /* Filter tags */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-lg);
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-body);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 6px 16px;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .filter-tag.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .filter-tag {
                font-size: 13px;
                padding: 5px 12px;
            }
        }

        /* Content list */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .content-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .content-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-hover);
            transform: translateY(-2px);
        }
        .content-card-horizontal {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: var(--spacing-md);
            align-items: stretch;
        }
        @media (max-width: 768px) {
            .content-card-horizontal {
                grid-template-columns: 1fr;
            }
        }
        .content-card-horizontal .card-image {
            min-height: 180px;
            overflow: hidden;
        }
        .content-card-horizontal .card-image img {
            width: 100%;
            height: 100%;
            min-height: 180px;
            object-fit: cover;
        }
        .content-card-horizontal .card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .content-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: var(--spacing-xs);
            line-height: 1.4;
        }
        .content-card .card-excerpt {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }
        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .content-card .card-meta .tag {
            display: inline-block;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 500;
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 999px;
        }
        .content-card .card-meta .read-time {
            color: var(--color-text-muted);
        }
        .content-row {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .content-row:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .content-row .row-title {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-heading);
            flex: 1;
            min-width: 0;
        }
        .content-row .row-date {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }
        .content-row .row-arrow {
            font-size: 16px;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .content-card-horizontal .card-body {
                padding: var(--spacing-sm);
            }
            .content-card h3 {
                font-size: 16px;
            }
            .content-row {
                padding: var(--spacing-sm) var(--spacing-sm);
                flex-wrap: wrap;
            }
            .content-row .row-title {
                font-size: 14px;
                width: 100%;
            }
            .content-row .row-date {
                font-size: 12px;
            }
        }

        /* Data summary strip */
        .data-summary-strip {
            background: var(--color-bg-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        @media (max-width: 768px) {
            .data-summary-strip {
                grid-template-columns: repeat(2, 1fr);
                padding: var(--spacing-md);
                gap: var(--spacing-sm);
            }
        }
        .data-summary-item {
            text-align: center;
        }
        .data-summary-item .data-number {
            font-size: 26px;
            font-weight: 750;
            font-family: var(--font-family-mono);
            color: var(--color-accent);
            line-height: 1.2;
        }
        .data-summary-item .data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: var(--spacing-xs);
        }
        @media (max-width: 768px) {
            .data-summary-item .data-number {
                font-size: 20px;
            }
            .data-summary-item .data-label {
                font-size: 12px;
            }
        }

        /* Featured topics */
        .featured-topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        @media (max-width: 992px) {
            .featured-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .featured-topics-grid {
                grid-template-columns: 1fr;
            }
        }
        .featured-topic-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            cursor: pointer;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }
        .featured-topic-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .featured-topic-card .topic-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary-light);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 18px;
            font-weight: 700;
        }
        .featured-topic-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 0;
            line-height: 1.4;
        }
        .featured-topic-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--color-bg-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .subscribe-cta .cta-text h3 {
            font-size: 18px;
            font-weight: 650;
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }
        .subscribe-cta .cta-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0;
        }
        .subscribe-cta .btn-subscribe {
            background: var(--color-accent);
            color: var(--color-bg-dark);
            font-size: 15px;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .subscribe-cta .btn-subscribe:hover {
            background: #f0b650;
            transform: translateY(-2px);
            color: var(--color-bg-dark);
        }
        @media (max-width: 768px) {
            .subscribe-cta {
                flex-direction: column;
                text-align: center;
                padding: var(--spacing-md);
            }
            .subscribe-cta .cta-text h3 {
                font-size: 16px;
            }
        }

        /* Buttons and misc */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 20px;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 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;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }
        .site-footer .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
        }
        .site-footer .footer-brand .logo-text span {
            color: var(--color-accent);
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: var(--spacing-sm);
            line-height: 1.7;
            max-width: 360px;
        }
        .site-footer .footer-links h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .site-footer .footer-links a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: var(--spacing-lg) 0 var(--spacing-sm);
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Article card image fallback */
        .card-image {
            background: #f0ebe3;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .card-image img {
            object-fit: cover;
            width: 100%;
            height: 100%;
        }

        /* Responsive nav adjustments */
        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }
            .header-actions .btn-subscribe-sm {
                display: none;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #C62F2F;
            --color-primary-dark: #A82424;
            --color-primary-light: rgba(198, 47, 47, 0.1);
            --color-accent: #E8A33D;
            --color-bg: #F7F5F0;
            --color-bg-dark: #1D1F22;
            --color-bg-card: #FFFFFF;
            --color-text-heading: #1D1F22;
            --color-text-body: #3D4045;
            --color-text-muted: #7D838C;
            --color-green: #2E7D4F;
            --color-border: #E7E2D9;
            --color-border-hover: #C62F2F;
            --radius-lg: 10px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.14);
            --font-family-base: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-family-mono: "SF Mono", "Menlo", "Consolas", "Courier New", monospace;
            --container-max: 1200px;
            --section-padding: 56px 0;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
        }

        *,
        *::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-family-base);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            color: var(--color-text-heading);
            line-height: 1.35;
            font-weight: 700;
        }

        h1 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
        }

        h2 {
            font-size: 21px;
            font-weight: 650;
            line-height: 1.35;
        }

        h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
        }

        p {
            margin: 0;
            color: var(--color-text-body);
            line-height: 1.7;
        }

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

        .section-alt {
            background: #F2EFE8;
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: #E8EAED;
        }

        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }

        .section-dark p {
            color: #C5C9D0;
        }

        /* HEADER */
        .site-header {
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-md);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            position: relative;
        }

        .main-nav a,
        .main-nav .nav-trigger {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-body);
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
        }

        .main-nav a:hover,
        .main-nav .nav-trigger:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }

        .nav-dropdown {
            position: relative;
            display: inline-flex;
            align-items: center;
        }

        .nav-dropdown .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 160px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition-base);
            z-index: 1001;
        }

        .nav-dropdown:hover .dropdown-menu,
        .nav-dropdown:focus-within .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .nav-dropdown .dropdown-menu a {
            display: block;
            padding: 8px 18px;
            font-size: 14px;
            border-radius: 0;
            color: var(--color-text-body);
        }

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

        .dropdown-arrow {
            font-size: 11px;
            margin-left: 2px;
            color: var(--color-text-muted);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 6px;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text-heading);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        /* BREADCRUMB */
        .breadcrumb-section {
            padding: 16px 0 0;
            background: transparent;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--color-text-muted);
        }

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

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

        .breadcrumb .separator {
            color: #B0B5BC;
            font-size: 12px;
        }

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

        /* CATEGORY HEADER */
        .category-header {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-lg);
            padding: 28px 0 20px;
            flex-wrap: wrap;
        }

        .category-header .header-content {
            flex: 1;
            min-width: 280px;
        }

        .category-header h1 {
            margin-bottom: var(--spacing-sm);
            font-size: 28px;
        }

        .category-header .category-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-body);
            max-width: 720px;
        }

        .category-header .header-image {
            width: 300px;
            max-width: 100%;
            flex-shrink: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .category-header .header-image img {
            width: 100%;
            height: auto;
        }

        /* FILTER TAGS */
        .filter-tags-section {
            padding: 16px 0 20px;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 24px;
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            background: var(--color-bg-card);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-body);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        /* LIST CARDS */
        .list-cards-section {
            padding: 0 0 48px;
        }

        .list-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .card-horizontal {
            display: flex;
            gap: 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .card-horizontal:hover {
            box-shadow: var(--shadow-md);
            border-color: #D8D2C6;
            transform: translateY(-2px);
        }

        .card-horizontal .card-image {
            width: 220px;
            min-width: 220px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .card-horizontal .card-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .card-horizontal .card-content h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.45;
        }

        .card-horizontal .card-summary {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

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

        .list-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            transition: all var(--transition-fast);
        }

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

        .list-row .row-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-heading);
            flex: 1;
        }

        .list-row .row-date {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .list-row .row-tag {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            background: #F0EDE6;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        /* DATA SUMMARY BAR */
        .data-summary-section {
            padding: 32px 0;
            background: var(--color-bg-dark);
        }

        .data-summary-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .data-summary-item {
            flex: 1;
            min-width: 180px;
            text-align: center;
            padding: 12px 16px;
        }

        .data-summary-item .data-number {
            font-size: 26px;
            font-weight: 750;
            font-family: var(--font-family-mono);
            color: var(--color-accent);
            line-height: 1.2;
        }

        .data-summary-item .data-label {
            font-size: 13px;
            color: #B0B5BC;
            margin-top: 6px;
        }

        .data-summary-item .data-unit {
            font-size: 14px;
            color: #E8EAED;
        }

        /* TOPIC ENTRY */
        .topic-entry-section {
            padding: 32px 0 48px;
        }

        .topic-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .topic-entry-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

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

        .topic-entry-card .topic-icon {
            font-size: 22px;
            margin-bottom: 4px;
        }

        .topic-entry-card .topic-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-heading);
        }

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

        /* CTA SUBSCRIBE */
        .cta-subscribe-section {
            padding: 40px 0;
            background: var(--color-bg-dark);
        }

        .cta-subscribe-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
        }

        .cta-subscribe-box .cta-text h3 {
            color: #FFFFFF;
            font-size: 19px;
            margin-bottom: 6px;
        }

        .cta-subscribe-box .cta-text p {
            color: #B0B5BC;
            font-size: 14px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 11px 24px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        /* FAQ */
        .faq-section {
            padding: 48px 0;
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 20px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: #D8D2C6;
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-heading);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-item .faq-question .faq-icon {
            font-size: 18px;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .faq-item .faq-answer.active {
            max-height: 400px;
        }

        .faq-item .faq-answer p {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.75;
        }

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

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

        /* FOOTER */
        .site-footer {
            background: var(--color-bg-dark);
            color: #B0B5BC;
            padding: 40px 0 20px;
            margin-top: auto;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer .footer-brand .logo-text {
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 700;
            display: block;
            margin-bottom: 8px;
        }

        .site-footer .footer-brand .logo-text span {
            color: var(--color-primary);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            color: #9DA3AB;
            line-height: 1.7;
            max-width: 360px;
        }

        .site-footer .footer-links h4 {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .site-footer .footer-links a {
            display: block;
            font-size: 14px;
            color: #9DA3AB;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links a:hover {
            color: #FFFFFF;
        }

        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 16px;
            font-size: 13px;
            color: #7D838C;
        }

        .site-footer .footer-bottom a {
            color: #9DA3AB;
            transition: color var(--transition-fast);
        }

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

        /* Buttons global */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            text-align: center;
            padding: 11px 24px;
            font-size: 15px;
            line-height: 1.4;
            white-space: nowrap;
        }

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

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

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

        .btn-outline:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        /* Section title */
        .section-title {
            font-size: 21px;
            font-weight: 650;
            margin-bottom: 6px;
            color: var(--color-text-heading);
        }

        .section-subtitle {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 24px;
            line-height: 1.6;
        }

        /* MOBILE NAV OVERLAY */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg-card);
            z-index: 999;
            padding: 16px 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-overlay.open {
            display: flex;
        }

        .mobile-nav-overlay a {
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            border-radius: var(--radius-md);
            color: var(--color-text-body);
            transition: all var(--transition-fast);
        }

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

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

        .mobile-nav-overlay .mobile-sub-group {
            padding-left: 16px;
        }

        .mobile-nav-overlay .mobile-sub-group a {
            font-size: 14px;
            padding: 8px 16px;
            color: var(--color-text-muted);
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 var(--spacing-md);
            }

            .main-nav {
                gap: 0;
            }

            .main-nav a,
            .main-nav .nav-trigger {
                padding: 8px 10px;
                font-size: 14px;
            }

            .category-header {
                gap: var(--spacing-md);
            }

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

        @media (max-width: 820px) {
            .main-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

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

            .mobile-nav-overlay {
                top: 56px;
            }

            .category-header {
                flex-direction: column;
                gap: var(--spacing-md);
            }

            .category-header .header-image {
                width: 100%;
                max-height: 200px;
            }

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

            .card-horizontal {
                flex-direction: column;
                gap: 12px;
            }

            .card-horizontal .card-image {
                width: 100%;
                min-width: 100%;
            }

            .card-horizontal .card-image img {
                height: 160px;
                width: 100%;
            }

            .topic-entry-grid {
                grid-template-columns: 1fr;
            }

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

            .cta-subscribe-box {
                flex-direction: column;
                text-align: center;
                padding: 20px;
            }

            .data-summary-bar {
                flex-direction: column;
                gap: 8px;
            }

            .data-summary-item {
                min-width: auto;
                padding: 8px;
            }

            h1 {
                font-size: 22px;
            }

            .section-title {
                font-size: 19px;
            }
        }

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

            .site-header .container {
                height: 52px;
            }

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

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .mobile-nav-overlay {
                top: 52px;
            }

            .filter-tag {
                padding: 5px 12px;
                font-size: 13px;
            }

            .card-horizontal .card-content h3 {
                font-size: 15px;
            }

            .list-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .data-summary-item .data-number {
                font-size: 22px;
            }

            .section {
                padding: 32px 0;
            }

            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-item .faq-answer p {
                padding: 0 16px 14px;
                font-size: 13px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #C62F2F;
            --color-primary-dark: #A82424;
            --color-primary-light: rgba(198, 47, 47, 0.1);
            --color-accent: #E8A33D;
            --color-bg: #F7F5F0;
            --color-bg-dark: #1D1F22;
            --color-bg-card: #FFFFFF;
            --color-text-heading: #1D1F22;
            --color-text-body: #3D4045;
            --color-text-muted: #7D838C;
            --color-green: #2E7D4F;
            --color-border: #E7E2D9;
            --color-border-hover: #C62F2F;
            --radius-lg: 10px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.14);
            --font-family-base: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-family-mono: "SF Mono", "Menlo", "Consolas", "Courier New", monospace;
            --container-max: 1200px;
            --section-padding: 48px 0;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        /* HEADER */
        .site-header {
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-md);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--color-primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
        }
        .main-nav>a,
        .nav-dropdown-toggle {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-body);
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
        }
        .main-nav>a:hover,
        .nav-dropdown-toggle:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .main-nav>a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .main-nav>a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }
        .nav-dropdown {
            position: relative;
        }
        .nav-dropdown .dropdown-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 6px 0;
            min-width: 160px;
            z-index: 1050;
        }
        .nav-dropdown:hover .dropdown-menu,
        .nav-dropdown:focus-within .dropdown-menu {
            display: block;
        }
        .nav-dropdown .dropdown-menu a {
            display: block;
            padding: 8px 16px;
            font-size: 14px;
            color: var(--color-text-body);
            border-radius: 0;
            transition: all var(--transition-fast);
        }
        .nav-dropdown .dropdown-menu a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 1100;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text-heading);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1005;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .mobile-nav-overlay.show {
            display: block;
            opacity: 1;
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 280px;
            height: 100%;
            background: var(--color-bg-card);
            box-shadow: var(--shadow-lg);
            z-index: 1010;
            padding: 80px 24px 24px;
            overflow-y: auto;
            transition: right var(--transition-base);
        }
        .mobile-nav.show {
            right: 0;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-heading);
            border-bottom: 1px solid var(--color-border);
        }
        .mobile-nav a:hover {
            color: var(--color-primary);
        }
        .mobile-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-nav .dropdown-menu {
            display: none;
            padding-left: 16px;
        }
        .mobile-nav .dropdown-menu.show {
            display: block;
        }
        /* BREADCRUMB */
        .breadcrumb-section {
            padding: 20px 0 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .breadcrumb-nav a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-nav .breadcrumb-sep {
            color: var(--color-text-muted);
            pointer-events: none;
        }
        .breadcrumb-nav .breadcrumb-current {
            color: var(--color-text-heading);
            font-weight: 500;
        }
        /* CATEGORY HERO */
        .category-hero {
            padding: 32px 0;
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
        }
        .category-hero-content {
            flex: 1;
        }
        .category-hero-content h1 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-heading);
            margin-bottom: var(--spacing-md);
        }
        .category-hero-content p {
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-body);
            margin-bottom: 0;
        }
        .category-hero-image {
            width: 320px;
            flex-shrink: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .category-hero-image img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        /* FILTER TAGS */
        .filter-section {
            padding: 16px 0 24px;
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-body);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .filter-tag.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }
        /* EXPERT LIST */
        .expert-list-section {
            padding: var(--section-padding);
        }
        .expert-list-section .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-lg);
        }
        .expert-list-section .section-header h2 {
            font-size: 22px;
            font-weight: 650;
            line-height: 1.35;
            color: var(--color-text-heading);
            margin-bottom: 0;
        }
        .expert-list-section .section-header .view-more {
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .expert-list-section .section-header .view-more:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        .expert-card-horizontal {
            display: flex;
            gap: var(--spacing-md);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            margin-bottom: var(--spacing-md);
        }
        .expert-card-horizontal:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-hover);
            transform: translateY(-2px);
        }
        .expert-card-horizontal .expert-card-image {
            width: 180px;
            flex-shrink: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .expert-card-horizontal .expert-card-image img {
            width: 100%;
            height: 120px;
            object-fit: cover;
        }
        .expert-card-horizontal .expert-card-body {
            flex: 1;
            min-width: 0;
        }
        .expert-card-horizontal .expert-card-body .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 8px;
        }
        .expert-card-horizontal .expert-card-body .card-tag {
            display: inline-block;
            padding: 3px 10px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
        }
        .expert-card-horizontal .expert-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text-heading);
            margin-bottom: 6px;
        }
        .expert-card-horizontal .expert-card-body p {
            font-size: 14px;
            line-height: 1.6;
            color: var(--color-text-body);
            margin-bottom: 8px;
        }
        .expert-card-horizontal .expert-card-body .card-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .expert-row-list {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 14px var(--spacing-md);
            margin-bottom: var(--spacing-sm);
            transition: all var(--transition-fast);
        }
        .expert-row-list:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border-hover);
        }
        .expert-row-list .row-title {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-heading);
            flex: 1;
            min-width: 0;
        }
        .expert-row-list .row-tag {
            display: inline-block;
            padding: 3px 8px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 12px;
            color: var(--color-text-muted);
            margin-right: 8px;
        }
        .expert-row-list .row-date {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
            margin-left: var(--spacing-sm);
        }
        /* DATA SUMMARY */
        .data-summary-section {
            padding: var(--section-padding);
        }
        .data-summary-bar {
            background: var(--color-bg-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            justify-content: space-between;
            align-items: center;
        }
        .data-summary-item {
            flex: 1;
            min-width: 150px;
            text-align: center;
        }
        .data-summary-item .summary-number {
            font-size: 28px;
            font-weight: 750;
            font-family: var(--font-family-mono);
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .data-summary-item .summary-label {
            font-size: 14px;
            color: #B8BCC4;
        }
        /* TOPIC ENTRIES */
        .topic-entries-section {
            padding: var(--section-padding);
        }
        .topic-entries-section .section-header h2 {
            font-size: 22px;
            font-weight: 650;
            line-height: 1.35;
            color: var(--color-text-heading);
            margin-bottom: var(--spacing-lg);
        }
        .topic-entry-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .topic-entry-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .topic-entry-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-hover);
            transform: translateY(-2px);
        }
        .topic-entry-card .entry-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .topic-entry-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 2px;
        }
        .topic-entry-card p {
            font-size: 13px;
            line-height: 1.6;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }
        /* FAQ */
        .faq-section {
            padding: var(--section-padding);
        }
        .faq-section .section-header h2 {
            font-size: 22px;
            font-weight: 650;
            line-height: 1.35;
            color: var(--color-text-heading);
            margin-bottom: var(--spacing-lg);
        }
        .faq-accordion .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-accordion .faq-item:hover {
            border-color: var(--color-border-hover);
        }
        .faq-accordion .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px var(--spacing-md);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-heading);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: left;
        }
        .faq-accordion .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-accordion .faq-question .faq-icon {
            font-size: 18px;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 8px;
        }
        .faq-accordion .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-accordion .faq-answer {
            display: none;
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-body);
        }
        .faq-accordion .faq-item.active .faq-answer {
            display: block;
        }
        /* CTA */
        .cta-section {
            padding: var(--section-padding);
        }
        .cta-box {
            background: var(--color-bg-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow-md);
        }
        .cta-box h3 {
            font-size: 20px;
            font-weight: 650;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-box p {
            font-size: 14px;
            color: #B8BCC4;
            margin-bottom: var(--spacing-md);
        }
        .btn-primary-red {
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-base);
            display: inline-block;
            border: none;
        }
        .btn-primary-red:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-red {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            border-radius: var(--radius-md);
            padding: 9px 22px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-base);
            display: inline-block;
        }
        .btn-outline-red:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }
        /* FOOTER */
        .site-footer {
            background: var(--color-bg-dark);
            color: #B8BCC4;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: auto;
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: var(--spacing-xl);
        }
        .footer-brand .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            display: inline-block;
        }
        .footer-brand .logo-text span {
            color: var(--color-primary);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #B8BCC4;
            margin-bottom: 0;
        }
        .footer-links h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-links a {
            display: block;
            font-size: 13px;
            color: #B8BCC4;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: #7D838C;
        }
        .footer-bottom a {
            color: #7D838C;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }
        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 0;
            }
            .main-nav>a,
            .nav-dropdown-toggle {
                padding: 8px 10px;
                font-size: 14px;
            }
            .topic-entry-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero-image {
                width: 240px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .site-header .container {
                height: 56px;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
            .logo-text {
                font-size: 18px;
            }
            .category-hero {
                flex-direction: column;
                gap: var(--spacing-md);
                padding: 24px 0;
            }
            .category-hero-content h1 {
                font-size: 22px;
            }
            .category-hero-content p {
                font-size: 14px;
            }
            .category-hero-image {
                width: 100%;
                height: 180px;
            }
            .category-hero-image img {
                height: 180px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 13px;
            }
            .expert-card-horizontal {
                flex-direction: column;
            }
            .expert-card-horizontal .expert-card-image {
                width: 100%;
                height: 140px;
            }
            .expert-card-horizontal .expert-card-image img {
                height: 140px;
            }
            .expert-row-list {
                flex-wrap: wrap;
                gap: 6px;
            }
            .expert-row-list .row-title {
                width: 100%;
                font-size: 14px;
            }
            .data-summary-bar {
                padding: var(--spacing-lg) var(--spacing-md);
                gap: var(--spacing-md);
            }
            .data-summary-item .summary-number {
                font-size: 24px;
            }
            .topic-entry-cards {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .topic-entry-card {
                padding: var(--spacing-sm);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .expert-list-section .section-header {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }
            .expert-list-section .section-header h2 {
                font-size: 19px;
            }
            .faq-section .section-header h2 {
                font-size: 19px;
            }
            .topic-entries-section .section-header h2 {
                font-size: 19px;
            }
            .cta-box h3 {
                font-size: 18px;
            }
        }
        @media (max-width: 520px) {
            .filter-tags {
                gap: 6px;
            }
            .filter-tag {
                padding: 5px 10px;
                font-size: 12px;
            }
            .topic-entry-cards {
                grid-template-columns: 1fr;
            }
            .data-summary-item {
                min-width: 120px;
            }
            .data-summary-item .summary-number {
                font-size: 20px;
            }
            .expert-card-horizontal {
                padding: var(--spacing-sm);
            }
            .expert-card-horizontal .expert-card-image {
                height: 110px;
            }
            .expert-card-horizontal .expert-card-image img {
                height: 110px;
            }
            .expert-card-horizontal .expert-card-body h3 {
                font-size: 15px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #C62F2F;
            --color-primary-dark: #A82424;
            --color-primary-light: rgba(198, 47, 47, 0.1);
            --color-accent: #E8A33D;
            --color-bg: #F7F5F0;
            --color-bg-dark: #1D1F22;
            --color-bg-card: #FFFFFF;
            --color-text-heading: #1D1F22;
            --color-text-body: #3D4045;
            --color-text-muted: #7D838C;
            --color-green: #2E7D4F;
            --color-border: #E7E2D9;
            --color-border-hover: #C62F2F;
            --radius-lg: 10px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.14);
            --font-family-base: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-family-mono: "SF Mono", "Menlo", "Consolas", "Courier New", monospace;
            --container-max: 1200px;
            --section-padding: 56px 0;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family-base);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        @media (min-width: 769px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-text-heading);
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 var(--spacing-sm);
        }
        h1 {
            font-size: 28px;
        }
        h2 {
            font-size: 21px;
            font-weight: 650;
        }
        h3 {
            font-size: 17px;
            font-weight: 600;
        }
        p {
            margin: 0 0 var(--spacing-sm);
        }
        .text-muted {
            color: var(--color-text-muted);
        }
        .section {
            padding: var(--section-padding);
        }
        @media (max-width: 768px) {
            .section {
                padding: 36px 0;
            }
            h1 {
                font-size: 22px;
            }
            h2 {
                font-size: 18px;
            }
        }

        /* HEADER */
        .site-header {
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-md);
            position: relative;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            z-index: 1002;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--color-primary);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            background: var(--color-bg-card);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            z-index: 1002;
            transition: all var(--transition-fast);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text-heading);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a,
        .nav-dropdown>a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-body);
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a:hover,
        .nav-dropdown>a:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }
        .nav-dropdown {
            position: relative;
            display: inline-flex;
            align-items: center;
        }
        .nav-dropdown>a::after {
            content: '▾';
            font-size: 11px;
            margin-left: 3px;
            transition: transform var(--transition-fast);
        }
        .nav-dropdown:hover>a::after {
            transform: rotate(180deg);
        }
        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 180px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 6px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition-base);
            z-index: 1010;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .nav-dropdown:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .dropdown-menu a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-body);
            padding: 7px 14px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            display: block;
            transition: all var(--transition-fast);
        }
        .dropdown-menu a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        @media (max-width: 1024px) {
            .main-nav a,
            .nav-dropdown>a {
                padding: 7px 10px;
                font-size: 14px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-bg-card);
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-md);
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                transition: transform var(--transition-base);
                z-index: 1001;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
                gap: 4px;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .main-nav a,
            .nav-dropdown>a {
                width: 100%;
                padding: 12px 14px;
                font-size: 16px;
                border-radius: var(--radius-md);
                display: flex;
                align-items: center;
                justify-content: space-between;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: var(--color-primary-light);
            }
            .nav-dropdown {
                width: 100%;
                flex-direction: column;
                align-items: stretch;
            }
            .nav-dropdown>a::after {
                margin-left: auto;
            }
            .dropdown-menu {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                border: none;
                padding-left: 20px;
                min-width: auto;
                display: none;
            }
            .nav-dropdown.expanded .dropdown-menu {
                display: flex;
            }
            .dropdown-menu a {
                font-size: 15px;
                padding: 10px 14px;
                border-left: 2px solid var(--color-border);
                border-radius: 0;
            }
            .dropdown-menu a:hover {
                border-left-color: var(--color-primary);
                background: var(--color-primary-light);
            }
        }

        /* BREADCRUMB */
        .breadcrumb-bar {
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-sm) 0;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .breadcrumb-bar .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-bar a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-bar a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-bar .separator {
            color: #c0c4cc;
            font-size: 12px;
        }
        .breadcrumb-bar .current {
            color: var(--color-text-heading);
            font-weight: 600;
        }

        /* CATEGORY HEADER */
        .category-header {
            background: var(--color-bg);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
        }
        .category-header .container {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            align-items: center;
        }
        .category-header-content {
            flex: 1 1 55%;
            min-width: 280px;
        }
        .category-header-content h1 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: var(--spacing-sm);
        }
        .category-header-content h1 .highlight {
            color: var(--color-primary);
        }
        .category-header-content p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-body);
            margin: 0;
        }
        .category-header-image {
            flex: 0 0 320px;
            max-width: 320px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
        }
        .category-header-image img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .category-header {
                padding: var(--spacing-lg) 0;
            }
            .category-header .container {
                flex-direction: column;
                align-items: stretch;
                gap: var(--spacing-md);
            }
            .category-header-content h1 {
                font-size: 24px;
            }
            .category-header-image {
                flex: none;
                max-width: 100%;
            }
            .category-header-image img {
                height: 180px;
            }
        }

        /* FILTER TAGS */
        .filter-tags {
            padding: var(--spacing-sm) 0 var(--spacing-md);
        }
        .filter-tags .container {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            background: var(--color-bg-card);
            color: var(--color-text-body);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .filter-tag.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }
        .filter-tag .count {
            font-size: 12px;
            font-weight: 400;
            opacity: 0.75;
        }

        /* LIST BODY */
        .list-body {
            padding: var(--spacing-sm) 0 var(--spacing-xl);
        }
        .list-item {
            margin-bottom: var(--spacing-md);
            border-radius: var(--radius-lg);
            transition: all var(--transition-base);
        }
        .list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        /* Horizontal card (odd items) */
        .list-card {
            display: flex;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .list-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-hover);
        }
        .list-card-img {
            flex: 0 0 220px;
            min-height: 100%;
            overflow: hidden;
            background: var(--color-bg-dark);
        }
        .list-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .list-card:hover .list-card-img img {
            transform: scale(1.03);
        }
        .list-card-body {
            flex: 1;
            padding: var(--spacing-md) var(--spacing-lg);
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
        }
        .list-card-body .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .card-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .card-tag.gold {
            background: rgba(232, 163, 61, 0.15);
            color: #b87a1e;
        }
        .card-tag.green {
            background: rgba(46, 125, 79, 0.12);
            color: var(--color-green);
        }
        .list-card-body h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--color-text-heading);
            margin: 0;
            line-height: 1.4;
        }
        .list-card-body .card-desc {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .list-card-body .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            font-size: 13px;
            color: var(--color-text-muted);
            align-items: center;
        }
        .list-card-body .card-meta .read-time {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        /* List row (even items) */
        .list-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md) var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .list-row:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-hover);
            transform: translateX(4px);
        }
        .list-row-left {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex: 1;
            min-width: 0;
        }
        .list-row-index {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }
        .list-row-info h3 {
            font-size: 15px;
            font-weight: 600;
            margin: 0;
            color: var(--color-text-heading);
            line-height: 1.4;
        }
        .list-row-info .row-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 2px 0 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 480px;
        }
        .list-row-right {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--color-text-muted);
            text-align: right;
            white-space: nowrap;
        }
        .list-row-right .row-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            background: var(--color-bg);
            color: var(--color-text-muted);
            border: 1px solid var(--color-border);
            margin-left: 8px;
        }
        @media (max-width: 768px) {
            .list-card {
                flex-direction: column;
            }
            .list-card-img {
                flex: none;
                height: 180px;
            }
            .list-card-body {
                padding: var(--spacing-md);
            }
            .list-row {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-md);
                gap: var(--spacing-sm);
            }
            .list-row-right {
                text-align: left;
                width: 100%;
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
            .list-row-info .row-desc {
                max-width: 100%;
                white-space: normal;
            }
        }

        /* DATA SUMMARY */
        .data-summary {
            background: var(--color-bg-dark);
            padding: var(--spacing-xl) 0;
        }
        .data-summary .container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }
        .data-sum-item {
            text-align: center;
            padding: var(--spacing-md);
            position: relative;
        }
        .data-sum-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 48px;
            background: rgba(255, 255, 255, 0.12);
        }
        .data-sum-number {
            font-size: 28px;
            font-weight: 750;
            font-family: var(--font-family-mono);
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }
        .data-sum-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .data-summary .container {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
            .data-sum-item:not(:last-child)::after {
                display: none;
            }
            .data-sum-number {
                font-size: 24px;
            }
        }

        /* TOPIC ENTRY */
        .topic-entry {
            padding: var(--section-padding);
        }
        .topic-entry .section-title {
            margin-bottom: var(--spacing-lg);
        }
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .topic-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 8px;
            cursor: pointer;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-hover);
            transform: translateY(-3px);
        }
        .topic-card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .topic-card h3 {
            font-size: 15px;
            font-weight: 650;
            margin: 0;
            color: var(--color-text-heading);
        }
        .topic-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }
        .topic-card .topic-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
        }
        .topic-card .topic-link::after {
            content: '→';
            font-size: 14px;
            transition: transform var(--transition-fast);
        }
        .topic-card:hover .topic-link::after {
            transform: translateX(3px);
        }
        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }

        /* SUBSCRIBE CTA */
        .subscribe-cta {
            background: var(--color-bg-dark);
            padding: var(--spacing-xl) 0;
        }
        .subscribe-box {
            background: linear-gradient(135deg, rgba(198, 47, 47, 0.15) 0%, rgba(29, 31, 34, 0.9) 100%);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-xl);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--spacing-md);
            justify-content: space-between;
        }
        .subscribe-box h3 {
            color: #fff;
            font-size: 19px;
            font-weight: 700;
            margin: 0;
        }
        .subscribe-box p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin: 0;
            flex: 1;
            min-width: 200px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(198, 47, 47, 0.35);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            border: 1.5px solid var(--color-primary);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: var(--color-primary-light);
            transform: translateY(-2px);
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .subscribe-box {
                flex-direction: column;
                text-align: center;
                padding: var(--spacing-md);
            }
            .subscribe-box p {
                min-width: auto;
            }
        }

        /* FOOTER */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            display: inline-block;
        }
        .footer-brand .logo-text span {
            color: var(--color-primary);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 340px;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 650;
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .footer-links a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            padding: 3px 0;
            transition: all var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* MISC */
        .section-title {
            text-align: left;
            margin-bottom: var(--spacing-lg);
        }
        .section-title h2 {
            font-size: 21px;
            font-weight: 650;
            color: var(--color-text-heading);
            margin: 0;
        }
        .section-title .subtitle {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

/* 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}