/* roulang page: index */
:root {
            --color-primary: #8B1A1A;
            --color-primary-dark: #7A1616;
            --color-primary-light: rgba(139, 26, 26, 0.08);
            --color-accent: #C9A227;
            --color-accent-dark: #B8961D;
            --color-bg: #FAF7F2;
            --color-dark: #1A1A2E;
            --color-text: #26221C;
            --color-text-secondary: #6E6458;
            --color-border: #E5DED4;
            --color-success: #2F5D3A;
            --color-warning: #D54B1A;
            --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Roboto", monospace, sans-serif;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 16px;
            --shadow-card: 0 2px 12px rgba(38, 34, 28, 0.06);
            --shadow-card-hover: 0 6px 18px rgba(38, 34, 28, 0.10);
            --spacing-section: 64px;
            --spacing-card: 20px;
            --spacing-gap: 16px;
            --transition-base: 0.25s ease;
            --max-width: 1200px;
        }

        *,
        *::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-cn);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--color-primary-dark);
            box-shadow: 0 2px 0 0 var(--color-accent);
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 2px 12px rgba(38, 34, 28, 0.05);
            height: 68px;
            display: flex;
            align-items: center;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #C9A227, var(--color-primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.5px;
            font-family: var(--font-num);
            box-shadow: 0 2px 6px rgba(139, 26, 26, 0.25);
        }

        .nav-logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }

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

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-base), background-color var(--transition-base);
            position: relative;
        }

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

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

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

        .nav-search input {
            width: 160px;
            padding: 7px 12px 7px 32px;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 13px;
            font-family: var(--font-cn);
            background-color: #FDFCFA;
            transition: border-color var(--transition-base), width var(--transition-base), box-shadow var(--transition-base);
        }

        .nav-search input:focus {
            outline: none;
            border-color: var(--color-accent);
            width: 200px;
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
        }

        .nav-search svg {
            position: absolute;
            left: 10px;
            width: 16px;
            height: 16px;
            color: var(--color-text-secondary);
            pointer-events: none;
        }

        .nav-cta {
            background-color: var(--color-primary);
            color: #FFFFFF;
            padding: 8px 18px;
            border-radius: var(--radius-md);
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            transition: background-color var(--transition-base), transform var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .nav-cta:hover {
            background-color: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(139, 26, 26, 0.25);
        }

        .nav-cta:active {
            transform: translateY(1px);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            flex-shrink: 0;
        }

        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-text);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #FFFFFF;
            z-index: 99;
            padding: 20px;
            overflow-y: auto;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        }

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

        .mobile-menu a {
            display: block;
            padding: 14px 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border);
            transition: background-color var(--transition-base), color var(--transition-base);
        }

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

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            font-family: var(--font-cn);
            cursor: pointer;
            border: none;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            box-shadow: 0 4px 14px rgba(139, 26, 26, 0.3);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

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

        .btn-secondary:hover {
            background-color: var(--color-primary-light);
            box-shadow: 0 4px 14px rgba(139, 26, 26, 0.1);
            transform: translateY(-1px);
        }

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

        .btn-accent:hover {
            background-color: var(--color-accent-dark);
            box-shadow: 0 4px 14px rgba(201, 162, 39, 0.35);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 12px;
        }

        .btn-lg {
            padding: 12px 28px;
            font-size: 15px;
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .badge-accent {
            background-color: rgba(201, 162, 39, 0.18);
            color: #8B6914;
        }

        .badge-primary {
            background-color: var(--color-primary-light);
            color: var(--color-primary);
        }

        .badge-success {
            background-color: rgba(47, 93, 58, 0.15);
            color: var(--color-success);
        }

        .badge-warning {
            background-color: rgba(213, 75, 26, 0.14);
            color: var(--color-warning);
        }

        .badge-dark {
            background-color: rgba(26, 26, 46, 0.8);
            color: #FFFFFF;
        }

        /* Cards */
        .card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }

        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(201, 162, 39, 0.4);
        }

        .card:focus-within {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

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

        .section-title {
            font-size: 26px;
            font-weight: 600;
            line-height: 1.35;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 680px;
        }

        /* Hero */
        .hero {
            min-height: 560px;
            display: flex;
            align-items: center;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 48px 0;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(250, 247, 242, 0.92) 30%, rgba(250, 247, 242, 0.65) 70%, rgba(250, 247, 242, 0.5) 100%);
            z-index: 0;
        }

        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 40px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.5px;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .hero-content h1 .highlight {
            color: var(--color-primary);
            display: inline-block;
            position: relative;
        }

        .hero-content h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 8px;
            background-color: rgba(201, 162, 39, 0.4);
            z-index: -1;
            border-radius: 4px;
        }

        .hero-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-data-panel {
            background-color: var(--color-dark);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: 0 8px 32px rgba(26, 26, 46, 0.35);
            border: 1px solid rgba(201, 162, 39, 0.3);
        }

        .hero-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .hero-panel-title {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            letter-spacing: 0.5px;
        }

        .hero-panel-badge {
            font-size: 11px;
            color: var(--color-accent);
            background-color: rgba(201, 162, 39, 0.2);
            padding: 3px 8px;
            border-radius: 12px;
            font-weight: 500;
        }

        .progress-ring-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 20px;
        }

        .progress-ring {
            position: relative;
            width: 140px;
            height: 140px;
        }

        .progress-ring svg {
            transform: rotate(-90deg);
            width: 100%;
            height: 100%;
        }

        .progress-ring .ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.12);
            stroke-width: 10;
        }

        .progress-ring .ring-fg {
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 10;
            stroke-linecap: round;
            stroke-dasharray: 377;
            stroke-dashoffset: 94;
            transition: stroke-dashoffset 1.2s ease;
        }

        .progress-ring .ring-center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
        }

        .ring-center-value {
            font-size: 28px;
            font-weight: 700;
            font-family: var(--font-num);
            color: var(--color-accent);
        }

        .ring-center-label {
            font-size: 11px;
            color: #B8B8C8;
            letter-spacing: 0.5px;
        }

        .hero-tiers {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
        }

        .hero-tier-card {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 12px 10px;
            text-align: center;
            color: #FFFFFF;
            transition: border-color var(--transition-base), background-color var(--transition-base);
        }

        .hero-tier-card:hover {
            border-color: var(--color-accent);
            background-color: rgba(201, 162, 39, 0.1);
        }

        .hero-tier-name {
            font-size: 12px;
            font-weight: 600;
            color: #E8E8F0;
            margin-bottom: 4px;
        }

        .hero-tier-num {
            font-size: 18px;
            font-family: var(--font-num);
            font-weight: 700;
            color: var(--color-accent);
        }

        /* Countdown bar */
        .countdown-bar {
            background: linear-gradient(135deg, var(--color-primary), #A52A2A);
            color: #FFFFFF;
            padding: 18px 0;
            border-bottom: 2px solid var(--color-accent);
        }

        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .countdown-text {
            font-size: 15px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .countdown-text .cd-label {
            color: rgba(255, 255, 255, 0.85);
        }

        .countdown-timer {
            display: flex;
            gap: 6px;
            align-items: center;
            font-family: var(--font-num);
        }

        .countdown-timer .cd-unit {
            background-color: rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 4px 8px;
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            min-width: 36px;
            text-align: center;
        }

        .countdown-timer .cd-sep {
            font-size: 16px;
            color: var(--color-accent);
            font-weight: 700;
        }

        /* Stats section */
        .stats-section {
            background-color: var(--color-dark);
            padding: 48px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 16px;
        }

        .stat-card {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(201, 162, 39, 0.25);
            border-radius: var(--radius-lg);
            padding: 22px;
            transition: border-color var(--transition-base), background-color var(--transition-base);
        }

        .stat-card:hover {
            border-color: var(--color-accent);
            background-color: rgba(201, 162, 39, 0.08);
        }

        .stat-card .stat-label {
            font-size: 13px;
            color: #B8B8C8;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .stat-card .stat-value {
            font-size: 48px;
            font-weight: 700;
            font-family: var(--font-num);
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-card .stat-trend {
            font-size: 12px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .stat-trend.up {
            color: #6BCB77;
        }
        .stat-trend.down {
            color: #FF8A5C;
        }
        .stat-trend.warn {
            color: #FFB84D;
        }

        .stat-card.wide {
            grid-column: span 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .stat-card.wide .stat-value {
            font-size: 42px;
        }

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

        .service-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(201, 162, 39, 0.45);
        }

        .service-card-img {
            height: 170px;
            overflow: hidden;
            position: relative;
        }

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

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

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

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

        .service-card-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .service-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
        }

        .service-card-link svg {
            transition: transform var(--transition-base);
        }

        .service-card-link:hover svg {
            transform: translateX(4px);
        }

        /* Entry matrix */
        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .entry-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 18px 16px;
            text-align: center;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

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

        .entry-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background-color: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-num);
        }

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

        .entry-card-desc {
            font-size: 12px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* Comparison section */
        .comparison-panel {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .comparison-header {
            padding: 20px 24px;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            background-color: #FDFCFA;
        }

        .comparison-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
        }

        .comparison-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .comparison-body {
            padding: 24px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 20px;
        }

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

        .comparison-table th {
            font-weight: 600;
            color: var(--color-text);
            background-color: #FDF8F0;
            font-size: 13px;
            letter-spacing: 0.3px;
        }

        .comparison-table td.highlight-diff {
            background-color: rgba(201, 162, 39, 0.1);
            font-weight: 600;
            color: var(--color-primary);
        }

        .comparison-table .num-cell {
            font-family: var(--font-num);
            font-weight: 600;
            font-size: 15px;
        }

        .comparison-note {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            padding: 16px 0 4px;
            border-top: 1px dashed var(--color-border);
            margin-top: 16px;
        }

        /* News section */
        .news-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 20px;
        }

        .news-headline {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .news-headline-img {
            height: 220px;
            overflow: hidden;
        }

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

        .news-headline:hover .news-headline-img img {
            transform: scale(1.03);
        }

        .news-headline-body {
            padding: 18px 20px;
        }

        .news-date {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

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

        .news-headline-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-list-item {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(201, 162, 39, 0.4);
        }

        .news-list-item .news-date {
            font-size: 11px;
            color: var(--color-text-secondary);
        }

        .news-list-item .news-item-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }

        .news-list-item .news-item-summary {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* Deep content */
        .deep-content {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .deep-content h2 {
            font-size: 24px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .deep-content h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-primary);
            margin: 24px 0 12px;
        }

        .deep-content p {
            font-size: 15px;
            line-height: 1.95;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
        }

        .deep-content p strong {
            color: var(--color-text);
            font-weight: 600;
        }

        /* Testimonial bubbles */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .testimonial-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 12px;
        }

        .testimonial-text {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
        }

        .testimonial-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--color-text-secondary);
        }

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

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

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

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

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

        .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform var(--transition-base);
        }

        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: transform var(--transition-base);
        }

        .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            border-left: 3px solid var(--color-accent);
            margin-left: 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.9;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 8px 20px 16px;
        }

        /* Security section */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .security-item {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
            transition: all var(--transition-base);
        }

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

        .security-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            color: var(--color-primary);
            font-size: 20px;
        }

        .security-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

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

        /* App download */
        .app-section {
            background-color: var(--color-dark);
            padding: 48px 0;
        }

        .app-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .app-info h3 {
            font-size: 24px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .app-info p {
            font-size: 14px;
            color: #B8B8C8;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .app-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .app-visual {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(201, 162, 39, 0.3);
            border-radius: var(--radius-xl);
            padding: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 200px;
            text-align: center;
            color: #B8B8C8;
            font-size: 15px;
        }

        .app-visual .app-placeholder-icon {
            font-size: 48px;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        /* CTA form */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #6E1515 100%);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            border: 40px solid rgba(201, 162, 39, 0.15);
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-title {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .cta-form {
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(201, 162, 39, 0.3);
            border-radius: var(--radius-xl);
            padding: 28px;
            backdrop-filter: blur(6px);
        }

        .cta-form .form-group {
            margin-bottom: 14px;
        }

        .cta-form label {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .cta-form input,
        .cta-form select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-cn);
            background-color: #FFFFFF;
            color: var(--color-text);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .cta-form input:focus,
        .cta-form select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.25);
        }

        .cta-form .form-hint {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 10px;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-dark);
            padding: 48px 0 20px;
            color: #B8B8C8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: #B8B8C8;
            margin-bottom: 16px;
        }

        .footer-links h5 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

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

        .footer-links a {
            font-size: 13px;
            color: #B8B8C8;
            transition: color var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--color-accent);
            box-shadow: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            text-align: center;
            font-size: 13px;
            color: #8A8A98;
        }

        .footer-bottom a {
            color: #B8B8C8;
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
            box-shadow: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr 340px;
                gap: 24px;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-card.wide {
                grid-column: span 2;
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .entry-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .app-inner {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-search input {
                width: 110px;
            }
            .nav-search input:focus {
                width: 140px;
            }
            .hero {
                min-height: auto;
                padding: 32px 0;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-data-panel {
                padding: 20px;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .entry-matrix {
                grid-template-columns: 1fr 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-card.wide {
                grid-column: span 1;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .deep-content {
                padding: 20px;
            }
            .deep-content h2 {
                font-size: 20px;
            }
            .deep-content h3 {
                font-size: 17px;
            }
            .comparison-body {
                padding: 16px;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 8px 10px;
                font-size: 12px;
            }
            .countdown-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-tiers {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 6px;
            }
            .hero-tier-card {
                padding: 8px 6px;
            }
            .hero-tier-name {
                font-size: 10px;
            }
            .hero-tier-num {
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .nav-cta {
                padding: 6px 12px;
                font-size: 12px;
            }
            .nav-search input {
                width: 80px;
                font-size: 12px;
                padding-left: 26px;
            }
            .nav-search input:focus {
                width: 100px;
            }
            .hero-content h1 {
                font-size: 22px;
            }
            .hero-desc {
                font-size: 13px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .entry-matrix {
                grid-template-columns: 1fr;
            }
            .hero-tiers {
                grid-template-columns: 1fr;
                gap: 6px;
            }
            .hero-panel-header {
                flex-direction: column;
                gap: 6px;
                align-items: flex-start;
            }
            .comparison-table {
                font-size: 11px;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 6px 8px;
                font-size: 11px;
            }
            .cta-form {
                padding: 18px;
            }
            .stats-grid .stat-value {
                font-size: 32px;
            }
            .stats-section {
                padding: 32px 0;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #8B1A1A;
            --color-primary-dark: #7A1616;
            --color-primary-light: rgba(139, 26, 26, 0.08);
            --color-accent: #C9A227;
            --color-accent-dark: #B8961D;
            --color-bg: #FAF7F2;
            --color-dark: #1A1A2E;
            --color-text: #26221C;
            --color-text-secondary: #6E6458;
            --color-border: #E5DED4;
            --color-success: #2F5D3A;
            --color-warning: #D54B1A;
            --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Roboto", monospace, sans-serif;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 16px;
            --shadow-card: 0 2px 12px rgba(38, 34, 28, 0.06);
            --shadow-card-hover: 0 6px 18px rgba(38, 34, 28, 0.10);
            --spacing-section: 64px;
            --spacing-card: 20px;
            --spacing-gap: 16px;
            --transition-base: 0.25s ease;
            --max-width: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            margin: 0;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base), box-shadow var(--transition-base);
        }
        a:hover {
            color: var(--color-primary-dark);
            box-shadow: 0 2px 0 0 var(--color-accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1, h2, h3, h4, h5 {
            margin: 0 0 12px;
            color: var(--color-text);
            line-height: 1.4;
        }
        h1 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: 0.5px;
            line-height: 1.25;
        }
        h2 {
            font-size: 25px;
            font-weight: 600;
            line-height: 1.35;
        }
        h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-primary);
        }
        h4 {
            font-size: 17px;
            font-weight: 600;
        }
        p {
            margin: 0 0 16px;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-light {
            background-color: #FFFFFF;
        }
        .section-dark {
            background-color: var(--color-dark);
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .section-subtitle {
            color: var(--color-text-secondary);
            font-size: 15px;
            margin-bottom: 30px;
            max-width: 720px;
        }
        .text-accent {
            color: var(--color-accent);
        }
        .text-primary {
            color: var(--color-primary);
        }
        .text-success {
            color: var(--color-success);
        }
        .text-warning {
            color: var(--color-warning);
        }
        .text-muted {
            color: var(--color-text-secondary);
        }
        .badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            background-color: var(--color-accent);
            color: var(--color-text);
            margin-right: 6px;
        }
        .badge-outline {
            background-color: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent-dark);
        }
        .badge-dark {
            background-color: rgba(201, 162, 39, 0.18);
            color: var(--color-accent);
        }

        /* Button */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-md);
            padding: 10px 22px;
            font-weight: 600;
            font-family: var(--font-cn);
            font-size: 14px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition-base);
            white-space: nowrap;
            line-height: 1.5;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(139, 26, 26, 0.25);
        }
        .btn-primary:active {
            transform: translateY(2px);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-primary-light);
            color: var(--color-primary-dark);
            box-shadow: 0 4px 14px rgba(139, 26, 26, 0.12);
        }
        .btn-gold {
            background-color: var(--color-accent);
            color: var(--color-text);
            border-color: var(--color-accent);
        }
        .btn-gold:hover {
            background-color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: var(--color-text);
            box-shadow: 0 4px 14px rgba(201, 162, 39, 0.3);
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 30px;
            font-size: 16px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 2px 12px rgba(38, 34, 28, 0.05);
            height: 68px;
            display: flex;
            align-items: center;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #C9A227, var(--color-primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.5px;
            font-family: var(--font-num);
            box-shadow: 0 2px 6px rgba(139, 26, 26, 0.25);
        }
        .nav-logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-base), background-color var(--transition-base);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-light);
        }
        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search input {
            width: 160px;
            padding: 7px 12px 7px 32px;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 13px;
            font-family: var(--font-cn);
            background-color: #FDFCFA;
            transition: border-color var(--transition-base), width var(--transition-base), box-shadow var(--transition-base);
        }
        .nav-search input:focus {
            outline: none;
            border-color: var(--color-accent);
            width: 200px;
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
        }
        .nav-search svg {
            position: absolute;
            left: 10px;
            pointer-events: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-text);
            margin: 4px 0;
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-bar a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-divider {
            color: var(--color-border);
        }

        /* Hero */
        .hero-category {
            position: relative;
            padding: 52px 0 56px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #FFFFFF;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(139, 26, 26, 0.72) 100%);
        }
        .hero-category .container {
            position: relative;
            z-index: 1;
        }
        .hero-category h1 {
            color: #FFFFFF;
            font-size: 32px;
            margin-bottom: 14px;
        }
        .hero-category .hero-desc {
            color: rgba(255, 255, 255, 0.88);
            font-size: 15px;
            max-width: 680px;
            line-height: 1.9;
            margin-bottom: 20px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .hero-tags .badge {
            background-color: rgba(201, 162, 39, 0.22);
            color: #F0D77B;
            border: 1px solid rgba(201, 162, 39, 0.4);
        }

        /* Trend metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-gap);
        }
        .metric-card {
            background-color: var(--color-dark);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid rgba(201, 162, 39, 0.25);
            color: #FFFFFF;
        }
        .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .metric-value {
            font-family: var(--font-num);
            font-size: 38px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metric-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }
        .metric-trend-up {
            color: #6FCF97;
        }
        .metric-trend-down {
            color: #EB5757;
        }
        .metric-trend-flat {
            color: #F2C94C;
        }

        /* Card grid */
        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .card {
            background-color: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: var(--spacing-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(201, 162, 39, 0.45);
        }
        .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 14px;
            aspect-ratio: 16 / 9;
            background-color: var(--color-bg);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .card h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .card-link {
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Trend article */
        .trend-article {
            background-color: #FFFFFF;
            border-radius: var(--radius-xl);
            padding: 36px 40px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }
        .trend-article h2 {
            font-size: 22px;
            margin-bottom: 16px;
        }
        .trend-article p {
            line-height: 1.95;
            color: var(--color-text);
        }
        .trend-article .highlight-box {
            background-color: var(--color-bg);
            border-left: 4px solid var(--color-accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 20px 0;
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        /* Visual block */
        .visual-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: center;
        }
        .visual-card {
            background-color: var(--color-dark);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            color: #FFFFFF;
            min-height: 240px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .visual-card h3 {
            color: var(--color-accent);
        }
        .visual-card p {
            color: rgba(255, 255, 255, 0.75);
        }
        .chart-placeholder {
            background: linear-gradient(145deg, rgba(201, 162, 39, 0.16), rgba(139, 26, 26, 0.22));
            border: 1px dashed rgba(201, 162, 39, 0.5);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            min-height: 200px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .chart-placeholder .chart-icon {
            font-size: 42px;
            margin-bottom: 12px;
            color: var(--color-accent);
        }
        .chart-bars {
            display: flex;
            align-items: flex-end;
            justify-content: center;
            gap: 8px;
            margin-top: 20px;
            height: 80px;
        }
        .chart-bars span {
            display: block;
            width: 22px;
            background: linear-gradient(180deg, #C9A227, #8B1A1A);
            border-radius: 4px 4px 0 0;
        }

        /* Use cases */
        .usecase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .usecase-card {
            background-color: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .usecase-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .usecase-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .usecase-card h3 {
            font-size: 16px;
        }
        .usecase-card p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* Steps */
        .step-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step-counter;
        }
        .step-item {
            background-color: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            border: 1px solid var(--color-border);
            position: relative;
            counter-increment: step-counter;
        }
        .step-item::before {
            content: counter(step-counter);
            position: absolute;
            top: -12px;
            left: 20px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: var(--color-accent);
            color: var(--color-text);
            font-weight: 700;
            font-family: var(--font-num);
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 6px rgba(201, 162, 39, 0.35);
        }
        .step-item h3 {
            font-size: 16px;
            margin-top: 10px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Pagination */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            font-size: 14px;
            font-weight: 500;
            background-color: #FFFFFF;
            color: var(--color-text);
            transition: all var(--transition-base);
        }
        .pagination a:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }
        .pagination .current {
            background-color: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
            font-weight: 600;
        }
        .pagination .pagination-arrow {
            font-weight: 700;
            color: var(--color-primary);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        .faq-item.open {
            border-left: 3px solid var(--color-accent);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-family: var(--font-cn);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: background-color var(--transition-base);
        }
        .faq-question:hover {
            background-color: var(--color-bg);
        }
        .faq-icon {
            font-size: 20px;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            font-size: 14px;
        }
        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 0 20px 18px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1A1A2E 0%, #8B1A1A 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #FFFFFF;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .cta-title {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .cta-desc {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.9;
        }
        .cta-form {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(201, 162, 39, 0.35);
            border-radius: var(--radius-lg);
            padding: 24px;
        }
        .cta-form label {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(201, 162, 39, 0.4);
            background-color: #FFFFFF;
            color: var(--color-text);
            font-family: var(--font-cn);
            font-size: 14px;
            margin-bottom: 14px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.18);
        }
        .cta-form .btn {
            width: 100%;
        }
        .form-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 10px;
            margin-bottom: 0;
        }

        /* Sidebar */
        .layout-with-sidebar {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 24px;
        }
        .sidebar {
            background-color: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 20px;
            box-shadow: var(--shadow-card);
            align-self: start;
        }
        .sidebar h4 {
            font-size: 16px;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--color-border);
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar ul li {
            font-size: 14px;
            padding: 8px 0;
            border-bottom: 1px dashed var(--color-border);
        }
        .sidebar ul li:last-child {
            border-bottom: none;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--color-text);
        }
        .sidebar ul li a:hover {
            color: var(--color-primary);
        }
        .sidebar .sidebar-badge {
            font-size: 12px;
            background-color: var(--color-primary-light);
            color: var(--color-primary);
            border-radius: 20px;
            padding: 2px 8px;
            display: inline-block;
            margin-left: auto;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 28px;
        }
        .site-footer h4 {
            color: #FFFFFF;
            font-size: 17px;
        }
        .site-footer h5 {
            color: var(--color-accent);
            font-size: 15px;
            margin-bottom: 14px;
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
            box-shadow: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 28px;
            padding-top: 18px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
            box-shadow: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .usecase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .layout-with-sidebar {
                grid-template-columns: 1fr;
            }
            .visual-block {
                grid-template-columns: 1fr;
            }
            .cta-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 27px;
            }
            .nav-search input {
                width: 120px;
            }
            .nav-search input:focus {
                width: 160px;
            }
            .nav-links a {
                padding: 6px 7px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: 56px;
                padding: 8px 0;
            }
            .nav-container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                max-height: 0;
                overflow: hidden;
            }
            .nav-links.mobile-open {
                display: flex;
                max-height: 360px;
                padding-top: 6px;
            }
            .nav-links a {
                padding: 10px 12px;
                font-size: 14px;
                border-radius: var(--radius-sm);
            }
            .nav-links a.active::after {
                bottom: 4px;
                left: 12px;
                right: auto;
                width: 24px;
            }
            .nav-search {
                display: none;
            }
            .nav-actions .btn {
                padding: 7px 14px;
                font-size: 13px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .card-grid-3 {
                grid-template-columns: 1fr;
            }
            .usecase-grid {
                grid-template-columns: 1fr;
            }
            .step-list {
                grid-template-columns: 1fr;
            }
            .hero-category {
                padding: 36px 0;
                min-height: 280px;
            }
            .hero-category h1 {
                font-size: 24px;
            }
            .trend-article {
                padding: 22px 20px;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            h2 {
                font-size: 21px;
            }
            .pagination a,
            .pagination span {
                min-width: 32px;
                height: 32px;
                padding: 0 8px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .metric-value {
                font-size: 30px;
            }
            .btn-lg {
                padding: 12px 20px;
                font-size: 14px;
                width: 100%;
            }
            .hero-category h1 {
                font-size: 21px;
                line-height: 1.4;
            }
            .hero-category .hero-desc {
                font-size: 14px;
            }
            .trend-article p {
                font-size: 14px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 14px;
            }
        }

/* roulang page: category3 */
:root {
  --color-primary: #8B1A1A;
  --color-primary-dark: #7A1616;
  --color-primary-light: rgba(139, 26, 26, 0.08);
  --color-accent: #C9A227;
  --color-accent-dark: #B8961D;
  --color-bg: #FAF7F2;
  --color-dark: #1A1A2E;
  --color-text: #26221C;
  --color-text-secondary: #6E6458;
  --color-border: #E5DED4;
  --color-success: #2F5D3A;
  --color-warning: #D54B1A;
  --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  --font-num: "DIN Alternate", "Roboto Mono", "Roboto", monospace, sans-serif;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-xl: 16px;
  --shadow-card: 0 2px 12px rgba(38, 34, 28, 0.06);
  --shadow-card-hover: 0 6px 18px rgba(38, 34, 28, 0.10);
  --spacing-section: 64px;
  --spacing-card: 20px;
  --spacing-gap: 16px;
  --transition-base: 0.25s ease;
  --max-width: 1200px;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-cn);
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  margin: 0;
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
}
a:hover {
  color: var(--color-primary-dark);
  box-shadow: 0 2px 0 0 var(--color-accent);
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}
/* Header / Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(38, 34, 28, 0.05);
  height: 68px;
  display: flex;
  align-items: center;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: nowrap;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #C9A227, var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
  font-family: var(--font-num);
  box-shadow: 0 2px 6px rgba(139, 26, 26, 0.25);
}
.nav-logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex-shrink: 1;
}
.nav-links::-webkit-scrollbar {
  display: none;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color var(--transition-base), background-color var(--transition-base);
  position: relative;
}
.nav-links a:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}
.nav-links a.active {
  color: var(--color-primary);
  font-weight: 600;
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 10px;
  right: 10px;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 2px;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-search {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-search input {
  width: 160px;
  padding: 7px 12px 7px 32px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 13px;
  font-family: var(--font-cn);
  background-color: #FDFCFA;
  transition: border-color var(--transition-base), width var(--transition-base), box-shadow var(--transition-base);
}
.nav-search input:focus {
  outline: none;
  border-color: var(--color-accent);
  width: 200px;
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}
.nav-search svg {
  position: absolute;
  left: 10px;
  width: 16px;
  height: 16px;
  color: var(--color-text-secondary);
  pointer-events: none;
}
.nav-cta-btn {
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 7px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(139, 26, 26, 0.18);
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}
.nav-cta-btn:hover {
  background-color: var(--color-primary-dark);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(139, 26, 26, 0.28);
}
/* Breadcrumb */
.breadcrumb-section {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  flex-wrap: wrap;
  color: var(--color-text-secondary);
}
.breadcrumb a {
  color: var(--color-text-secondary);
  font-size: 13px;
}
.breadcrumb a:hover {
  color: var(--color-primary);
}
.breadcrumb .separator {
  color: var(--color-border);
  user-select: none;
}
.breadcrumb .current {
  color: var(--color-primary);
  font-weight: 600;
}
/* Breadcrumb section spacing */
.breadcrumb-section + .page-hero {
  margin-top: 0;
}
/* Page Hero */
.page-hero {
  position: relative;
  background-color: var(--color-dark);
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  padding: 72px 0 56px;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,0.88) 30%, rgba(26,26,46,0.55) 100%);
  z-index: 1;
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.page-hero-content {
  max-width: 680px;
}
.page-hero-badge {
  display: inline-block;
  background-color: rgba(201, 162, 39, 0.18);
  color: var(--color-accent);
  border: 1px solid rgba(201, 162, 39, 0.4);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.page-hero h1 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: #FFFFFF;
  margin: 0 0 16px;
  letter-spacing: 0.5px;
}
.page-hero .subtitle {
  font-size: 15px;
  color: #E8E2D8;
  line-height: 1.9;
  margin: 0;
  max-width: 580px;
}
.page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}
.page-hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #FFFFFF;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
}
.page-hero-meta svg {
  width: 14px;
  height: 14px;
  color: var(--color-accent);
}
/* Data summary cards */
.data-summary-section {
  padding: 48px 0 0;
  background-color: var(--color-bg);
}
.data-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.data-summary-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.data-summary-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(201, 162, 39, 0.4);
}
.data-summary-card .label {
  font-size: 13px;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 6px;
}
.data-summary-card .value {
  font-family: var(--font-num);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.data-summary-card .value.accent {
  color: var(--color-accent-dark);
}
.data-summary-card .trend {
  font-size: 12px;
  margin-top: 4px;
  font-weight: 500;
}
.data-summary-card .trend.up {
  color: var(--color-success);
}
.data-summary-card .trend.down {
  color: var(--color-warning);
}
/* Main content area */
.main-content-section {
  padding: 48px 0 var(--spacing-section);
}
.main-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.main-content-grid + .main-content-grid {
  margin-top: 48px;
}
.main-content-grid.reverse .main-text {
  order: 1;
}
.main-content-grid.reverse .main-image {
  order: 0;
}
.main-text h2 {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
  margin: 0 0 12px;
}
.main-text p {
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.95;
  margin: 0 0 16px;
}
.main-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(38, 34, 28, 0.12);
  position: relative;
}
.main-image img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}
.main-image .image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(26,26,46,0.85));
  color: #FFFFFF;
  font-size: 12px;
  padding: 24px 16px 12px;
  text-align: right;
}
/* Tag badge */
.article-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  border: 1px solid rgba(139, 26, 26, 0.2);
  padding: 2px 10px;
  border-radius: 14px;
  margin-bottom: 8px;
}
/* Deep content section */
.deep-content-section {
  padding: 0 0 var(--spacing-section);
}
.deep-content-block {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  box-shadow: var(--shadow-card);
}
.deep-content-block h2 {
  font-size: 26px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 20px;
  line-height: 1.4;
}
.deep-content-block h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--color-primary);
  margin: 28px 0 12px;
  line-height: 1.45;
}
.deep-content-block p {
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 2.0;
  margin: 0 0 16px;
}
/* Pagination */
.pagination-section {
  padding: 24px 0 48px;
  text-align: center;
}
.pagination {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
}
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.pagination a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(139, 26, 26, 0.12);
  background-color: var(--color-primary-light);
}
.pagination .page-active {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  font-weight: 600;
}
.pagination .page-prev,
.pagination .page-next {
  padding: 0 16px;
}
.pagination .page-dots {
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  min-width: 24px;
}
.pagination-caption {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 10px;
}
/* FAQ */
.faq-section {
  padding: 0 0 var(--spacing-section);
}
.faq-section .section-heading {
  text-align: left;
  margin-bottom: 28px;
}
.faq-section .section-heading h2 {
  font-size: 26px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 8px;
}
.faq-section .section-heading p {
  color: var(--color-text-secondary);
  margin: 0;
  font-size: 14px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-item {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.faq-item:hover {
  border-color: rgba(201, 162, 39, 0.5);
  box-shadow: var(--shadow-card);
}
.faq-question {
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-cn);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-question:hover {
  color: var(--color-primary);
}
.faq-question .faq-icon {
  font-size: 20px;
  color: var(--color-accent);
  font-weight: 400;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s ease;
  border-left: 3px solid var(--color-accent);
  margin-left: 20px;
  padding: 0 20px 0 16px;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding-top: 4px;
  padding-bottom: 16px;
}
.faq-answer p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.95;
}
/* CTA */
.cta-section {
  padding: 0 0 var(--spacing-section);
}
.cta-wrapper {
  background-color: var(--color-dark);
  border-radius: var(--radius-xl);
  padding: 44px 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-wrapper::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background-color: rgba(201, 162, 39, 0.12);
  z-index: 1;
}
.cta-wrapper > * {
  position: relative;
  z-index: 2;
}
.cta-text h2 {
  color: #FFFFFF;
  font-size: 26px;
  font-weight: 600;
  margin: 0 0 10px;
}
.cta-text p {
  color: #D0C8BC;
  font-size: 14px;
  line-height: 1.9;
  margin: 0;
}
.cta-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 280px;
}
.cta-form input,
.cta-form select {
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-md);
  background-color: rgba(255,255,255,0.1);
  color: #FFFFFF;
  font-family: var(--font-cn);
  font-size: 14px;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}
.cta-form input::placeholder {
  color: #B8B0A4;
}
.cta-form select option {
  color: var(--color-text);
  background-color: #FFFFFF;
}
.cta-form input:focus,
.cta-form select:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: rgba(255,255,255,0.15);
}
.cta-form button {
  background-color: var(--color-accent);
  color: var(--color-text);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-base), transform var(--transition-base);
}
.cta-form button:hover {
  background-color: var(--color-accent-dark);
}
.cta-form button:active {
  transform: translateY(2px);
}
.cta-disclaimer {
  font-size: 12px;
  color: #9A9185;
  text-align: center;
  margin-top: 4px;
}
/* Footer */
.site-footer {
  background-color: var(--color-dark);
  color: #D0C8BC;
  padding: 48px 0 24px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand h4 {
  font-size: 17px;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 12px;
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.9;
  color: #B8B0A4;
  margin: 0;
}
.footer-links h5 {
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  margin: 0 0 12px;
}
.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links ul li {
  margin-bottom: 8px;
}
.footer-links ul li a {
  font-size: 13px;
  color: #B8B0A4;
  transition: color var(--transition-base);
}
.footer-links ul li a:hover {
  color: var(--color-accent);
  box-shadow: none;
}
.footer-bottom {
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: #9A9185;
}
.footer-bottom p {
  margin: 4px 0;
}
.footer-bottom a {
  color: #B8B0A4;
}
.footer-bottom a:hover {
  color: var(--color-accent);
  box-shadow: none;
}
/* Responsive */
@media (max-width: 1024px) {
  .data-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .main-content-grid {
    gap: 24px;
  }
  .cta-wrapper {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 32px 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}
@media (max-width: 768px) {
  .site-header {
    height: auto;
    min-height: 60px;
    padding: 8px 0;
  }
  .nav-container {
    flex-wrap: wrap;
    gap: 8px;
  }
  .nav-logo-text {
    font-size: 16px;
  }
  .nav-links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: 4px;
    padding-top: 4px;
  }
  .nav-links a {
    font-size: 13px;
    padding: 5px 8px;
  }
  .nav-actions {
    gap: 6px;
  }
  .nav-search input {
    width: 120px;
    font-size: 12px;
  }
  .nav-search input:focus {
    width: 140px;
  }
  .nav-cta-btn {
    padding: 6px 12px;
    font-size: 12px;
  }
  .page-hero {
    padding: 48px 0 40px;
  }
  .page-hero h1 {
    font-size: 26px;
  }
  .page-hero .subtitle {
    font-size: 14px;
  }
  .data-summary-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .data-summary-card .value {
    font-size: 28px;
  }
  .main-content-grid,
  .main-content-grid.reverse {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .main-content-grid.reverse .main-text {
    order: 0;
  }
  .main-content-grid.reverse .main-image {
    order: 1;
  }
  .main-image img {
    height: 200px;
  }
  .deep-content-block {
    padding: 24px 20px;
  }
  .deep-content-block h2 {
    font-size: 22px;
  }
  .faq-question {
    font-size: 14px;
    padding: 14px 16px;
  }
  .cta-wrapper {
    padding: 24px 20px;
  }
  .cta-text h2 {
    font-size: 22px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
@media (max-width: 520px) {
  .breadcrumb-section {
    padding: 8px 0;
  }
  .breadcrumb a,
  .breadcrumb .current,
  .breadcrumb {
    font-size: 12px;
  }
  .page-hero h1 {
    font-size: 22px;
  }
  .page-hero-meta {
    gap: 8px;
  }
  .page-hero-meta span {
    font-size: 12px;
    padding: 4px 10px;
  }
  .data-summary-grid {
    grid-template-columns: 1fr;
  }
  .data-summary-card .value {
    font-size: 32px;
  }
  .main-image img {
    height: 180px;
  }
  .pagination a,
  .pagination span {
    min-width: 32px;
    height: 32px;
    font-size: 13px;
    padding: 0 8px;
  }
  .cta-form {
    min-width: auto;
  }
}

/* roulang page: category1 */
:root {
            --color-primary: #8B1A1A;
            --color-primary-dark: #7A1616;
            --color-primary-light: rgba(139, 26, 26, 0.08);
            --color-accent: #C9A227;
            --color-accent-dark: #B8961D;
            --color-accent-light: rgba(201, 162, 39, 0.15);
            --color-bg: #FAF7F2;
            --color-dark: #1A1A2E;
            --color-text: #26221C;
            --color-text-secondary: #6E6458;
            --color-border: #E5DED4;
            --color-success: #2F5D3A;
            --color-warning: #D54B1A;
            --color-white: #FFFFFF;
            --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Roboto", monospace, sans-serif;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 16px;
            --shadow-card: 0 2px 12px rgba(38, 34, 28, 0.06);
            --shadow-card-hover: 0 6px 18px rgba(38, 34, 28, 0.10);
            --spacing-section: 64px;
            --spacing-card: 20px;
            --spacing-gap: 16px;
            --transition-base: 0.25s ease;
            --max-width: 1200px;
        }

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

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

        body {
            font-family: var(--font-cn);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--color-primary-dark);
            box-shadow: 0 2px 0 0 var(--color-accent);
        }

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

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

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 2px 12px rgba(38, 34, 28, 0.05);
            height: 68px;
            display: flex;
            align-items: center;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #C9A227, var(--color-primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.5px;
            font-family: var(--font-num);
            box-shadow: 0 2px 6px rgba(139, 26, 26, 0.25);
        }

        .nav-logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }

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

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-base), background-color var(--transition-base);
            position: relative;
        }

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

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

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

        .nav-search input {
            width: 160px;
            padding: 7px 12px 7px 32px;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 13px;
            font-family: var(--font-cn);
            background-color: #FDFCFA;
            transition: border-color var(--transition-base), width var(--transition-base), box-shadow var(--transition-base);
        }

        .nav-search input:focus {
            outline: none;
            border-color: var(--color-accent);
            width: 200px;
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
        }

        .nav-search svg {
            position: absolute;
            left: 10px;
            width: 14px;
            height: 14px;
            color: var(--color-text-secondary);
            pointer-events: none;
        }

        .btn-nav-cta {
            background-color: var(--color-primary);
            color: var(--color-white);
            border: none;
            padding: 8px 18px;
            border-radius: var(--radius-md);
            font-size: 13px;
            font-weight: 600;
            font-family: var(--font-cn);
            cursor: pointer;
            transition: background-color var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
        }

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

        .btn-nav-cta:active {
            transform: translateY(1px);
        }

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

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

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

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }

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

        .breadcrumb a:hover {
            color: var(--color-primary);
            box-shadow: none;
        }

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

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

        /* Category Hero */
        .category-hero {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 70px 0 60px;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(38, 34, 28, 0.85) 0%, rgba(139, 26, 26, 0.72) 55%, rgba(26, 26, 46, 0.65) 100%);
        }

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

        .category-hero-content {
            max-width: 720px;
        }

        .category-hero h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.5px;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .category-hero p {
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 24px;
            max-width: 620px;
        }

        .category-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .hero-meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #FFFFFF;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
        }

        .hero-meta-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-accent);
        }

        /* Metrics Board */
        .metrics-board {
            padding: var(--spacing-section) 0;
            background-color: var(--color-dark);
        }

        .metrics-heading {
            text-align: center;
            margin-bottom: 32px;
        }

        .metrics-heading h2 {
            font-size: 26px;
            font-weight: 600;
            line-height: 1.35;
            color: #FFFFFF;
            margin-bottom: 8px;
        }

        .metrics-heading p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-gap);
        }

        .metric-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(201, 162, 39, 0.25);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            transition: background-color var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
        }

        .metric-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(201, 162, 39, 0.45);
            transform: translateY(-2px);
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 8px;
            font-weight: 400;
        }

        .metric-card .metric-value {
            font-family: var(--font-num);
            font-size: 44px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.1;
            letter-spacing: 0.5px;
        }

        .metric-card .metric-unit {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-left: 2px;
            font-family: var(--font-cn);
        }

        .metric-card .metric-trend {
            font-size: 12px;
            margin-top: 8px;
            font-weight: 500;
            display: inline-block;
            padding: 2px 8px;
            border-radius: 12px;
        }

        .metric-trend.up {
            color: #7ECB8E;
            background: rgba(47, 93, 58, 0.3);
        }

        .metric-trend.steady {
            color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.1);
        }

        .metric-trend.hot {
            color: #FFB38A;
            background: rgba(213, 75, 26, 0.3);
        }

        /* Service Matrix */
        .service-matrix {
            padding: var(--spacing-section) 0;
            background-color: var(--color-bg);
        }

        .service-matrix-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .service-matrix-heading h2 {
            font-size: 26px;
            font-weight: 600;
            line-height: 1.35;
            color: var(--color-text);
        }

        .service-matrix-heading p {
            font-size: 14px;
            color: var(--color-text-secondary);
            max-width: 480px;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-gap);
        }

        .service-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            cursor: pointer;
        }

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

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

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

        .service-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .service-card-body p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .service-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-base);
        }

        .service-card-link:hover {
            gap: 8px;
            box-shadow: none;
        }

        /* Deep Content */
        .deep-content {
            padding: var(--spacing-section) 0;
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .deep-content-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }

        .deep-content-main h2 {
            font-size: 26px;
            font-weight: 600;
            line-height: 1.35;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .deep-content-main p {
            font-size: 15px;
            line-height: 1.95;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
        }

        .deep-content-main h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-primary);
            margin: 20px 0 10px;
            line-height: 1.4;
        }

        .deep-content-sidebar {
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            align-self: start;
        }

        .deep-content-sidebar h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--color-border);
        }

        .sidebar-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            border-bottom: 1px dashed var(--color-border);
        }

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

        .sidebar-item .rank {
            font-family: var(--font-num);
            font-weight: 700;
            color: var(--color-accent);
            font-size: 16px;
            width: 28px;
            flex-shrink: 0;
        }

        .sidebar-item .info {
            flex: 1;
        }

        .sidebar-item .info strong {
            font-size: 13px;
            color: var(--color-text);
            display: block;
        }

        .sidebar-item .info span {
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        /* Comparison Panel */
        .comparison-panel {
            padding: var(--spacing-section) 0;
            background-color: var(--color-dark);
        }

        .comparison-panel h2 {
            font-size: 26px;
            font-weight: 600;
            color: #FFFFFF;
            text-align: center;
            margin-bottom: 12px;
        }

        .comparison-panel .panel-intro {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .comparison-table {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(201, 162, 39, 0.3);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .comparison-row {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            padding: 14px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            align-items: center;
            gap: 10px;
        }

        .comparison-row:last-child {
            border-bottom: none;
        }

        .comparison-row.header-row {
            background: rgba(201, 162, 39, 0.2);
            font-weight: 600;
            font-size: 14px;
            color: #FFFFFF;
        }

        .comparison-row.header-row .cell {
            color: #FFFFFF;
        }

        .comparison-row .cell {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            text-align: center;
        }

        .comparison-row .cell:first-child {
            text-align: left;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.95);
        }

        .cell-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }

        .cell-badge.high {
            background: rgba(47, 93, 58, 0.4);
            color: #7ECB8E;
        }

        .cell-badge.mid {
            background: rgba(201, 162, 39, 0.3);
            color: #E8C852;
        }

        .cell-badge.low {
            background: rgba(213, 75, 26, 0.3);
            color: #FFB38A;
        }

        .comparison-note {
            text-align: center;
            margin-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
        }

        /* Process Steps */
        .process-steps {
            padding: var(--spacing-section) 0;
            background-color: var(--color-bg);
        }

        .process-steps h2 {
            font-size: 26px;
            font-weight: 600;
            color: var(--color-text);
            text-align: center;
            margin-bottom: 12px;
        }

        .process-steps .steps-intro {
            font-size: 14px;
            color: var(--color-text-secondary);
            text-align: center;
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-gap);
            counter-reset: step;
        }

        .step-item {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

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

        .step-item .step-number {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 10px;
        }

        .step-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* Image Text List (odd category) */
        .image-text-list {
            padding: var(--spacing-section) 0;
            background-color: var(--color-white);
            border-top: 1px solid var(--color-border);
        }

        .image-text-list h2 {
            font-size: 26px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 28px;
            text-align: center;
        }

        .it-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .it-item {
            display: flex;
            align-items: center;
            gap: 28px;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }

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

        .it-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .it-item-image {
            width: 240px;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-md);
            flex-shrink: 0;
        }

        .it-item-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .it-item-content p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .it-item-content .it-tag {
            display: inline-block;
            margin-top: 8px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 3px 10px;
            border-radius: 12px;
        }

        /* FAQ */
        .faq-section {
            padding: var(--spacing-section) 0;
            background-color: var(--color-bg);
            border-top: 1px solid var(--color-border);
        }

        .faq-section h2 {
            font-size: 26px;
            font-weight: 600;
            color: var(--color-text);
            text-align: center;
            margin-bottom: 28px;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .faq-item summary {
            padding: 16px 18px;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 20px;
            color: var(--color-accent);
            font-weight: 600;
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }

        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            padding: 0 18px 16px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            border-left: 3px solid var(--color-accent);
            margin-left: 18px;
            background-color: #FDFCFA;
        }

        /* Pagination */
        .pagination-section {
            padding: 24px 0 40px;
            background-color: var(--color-bg);
            text-align: center;
        }

        .pagination {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 10px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            color: var(--color-text-secondary);
            background-color: var(--color-white);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .pagination a:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
            box-shadow: none;
        }

        .pagination .current {
            background-color: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
            font-weight: 600;
        }

        .pagination .disabled {
            opacity: 0.5;
            pointer-events: none;
        }

        /* CTA Form */
        .cta-section {
            padding: var(--spacing-section) 0;
            background: linear-gradient(135deg, var(--color-primary) 0%, #6B1212 50%, var(--color-dark) 100%);
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
        }

        .cta-container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .cta-info p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .cta-info ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .cta-info ul li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cta-info ul li .check {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .cta-form {
            background-color: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        }

        .cta-form h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .cta-form .form-note {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 18px;
            line-height: 1.7;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-cn);
            background-color: #FFFFFF;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.2);
        }

        .btn-submit {
            width: 100%;
            padding: 12px 22px;
            background-color: var(--color-accent);
            color: var(--color-dark);
            border: none;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 700;
            font-family: var(--font-cn);
            cursor: pointer;
            transition: background-color var(--transition-base), transform var(--transition-base);
        }

        .btn-submit:hover {
            background-color: var(--color-accent-dark);
            transform: translateY(-1px);
        }

        .btn-submit:active {
            transform: translateY(1px);
        }

        .form-disclaimer {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-top: 10px;
            line-height: 1.6;
            text-align: center;
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-dark);
            padding: 48px 0 24px;
            color: rgba(255, 255, 255, 0.75);
        }

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

        .footer-brand h4 {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-links h5 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-links ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-base);
        }

        .footer-links ul li a:hover {
            color: var(--color-accent);
            box-shadow: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom p {
            margin-bottom: 4px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
            box-shadow: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
            }
            .cta-container {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background-color: var(--color-white);
                flex-direction: column;
                padding: 12px 20px;
                box-shadow: 0 8px 20px rgba(38, 34, 28, 0.12);
                border-bottom: 1px solid var(--color-border);
                z-index: 99;
                gap: 2px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 12px;
                width: 100%;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-search input {
                width: 100px;
            }
            .nav-search input:focus {
                width: 140px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero {
                padding: 50px 0 40px;
                min-height: 260px;
            }
            .it-item,
            .it-item:nth-child(even) {
                flex-direction: column;
                align-items: flex-start;
            }
            .it-item-image {
                width: 100%;
                height: 180px;
            }
            .comparison-row {
                grid-template-columns: 1.2fr 1fr 1fr 1fr;
                font-size: 12px;
                padding: 10px 12px;
                gap: 6px;
            }
            .comparison-row .cell {
                font-size: 12px;
            }
            .metric-card .metric-value {
                font-size: 32px;
            }
        }

        @media (max-width: 576px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .comparison-row {
                grid-template-columns: 1fr 1fr;
                gap: 4px;
                padding: 8px 10px;
            }
            .comparison-row .cell:first-child {
                grid-column: 1 / -1;
                text-align: center;
                font-weight: 600;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                padding: 7px 12px;
                font-size: 12px;
            }
            .nav-logo-text {
                font-size: 16px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero p {
                font-size: 14px;
            }
            .cta-form {
                padding: 20px;
            }
            :root {
                --spacing-section: 40px;
            }
        }

/* roulang page: category4 */
:root {
        --color-primary: #8B1A1A;
        --color-primary-dark: #7A1616;
        --color-primary-light: rgba(139, 26, 26, 0.08);
        --color-accent: #C9A227;
        --color-accent-dark: #B8961D;
        --color-bg: #FAF7F2;
        --color-dark: #1A1A2E;
        --color-text: #26221C;
        --color-text-secondary: #6E6458;
        --color-border: #E5DED4;
        --color-success: #2F5D3A;
        --color-warning: #D54B1A;
        --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
        --font-num: "DIN Alternate", "Roboto Mono", "Roboto", monospace, sans-serif;
        --radius-sm: 6px;
        --radius-md: 8px;
        --radius-lg: 10px;
        --radius-xl: 16px;
        --shadow-card: 0 2px 12px rgba(38, 34, 28, 0.06);
        --shadow-card-hover: 0 6px 18px rgba(38, 34, 28, 0.10);
        --spacing-section: 64px;
        --spacing-card: 20px;
        --spacing-gap: 16px;
        --transition-base: 0.25s ease;
        --max-width: 1200px;
    }

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

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

    body {
        font-family: var(--font-cn);
        font-size: 15px;
        line-height: 1.85;
        color: var(--color-text);
        background-color: var(--color-bg);
        overflow-x: hidden;
    }

    a {
        color: var(--color-primary);
        text-decoration: none;
        transition: color var(--transition-base), box-shadow var(--transition-base);
    }
    a:hover {
        color: var(--color-primary-dark);
        box-shadow: 0 2px 0 0 var(--color-accent);
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }

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

    .container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 20px;
    }

    /* Header / Navigation */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background-color: #FFFFFF;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 2px 12px rgba(38, 34, 28, 0.05);
        height: 68px;
        display: flex;
        align-items: center;
    }

    .nav-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: nowrap;
    }

    .nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .nav-logo-icon {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: radial-gradient(circle at 30% 30%, #C9A227, var(--color-primary));
        display: flex;
        align-items: center;
        justify-content: center;
        color: #FFFFFF;
        font-weight: 700;
        font-size: 14px;
        letter-spacing: 0.5px;
        font-family: var(--font-num);
        box-shadow: 0 2px 6px rgba(139, 26, 26, 0.25);
    }

    .nav-logo-text {
        font-size: 18px;
        font-weight: 700;
        color: var(--color-text);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        flex-shrink: 1;
    }
    .nav-links::-webkit-scrollbar {
        display: none;
    }
    .nav-links a {
        font-size: 14px;
        font-weight: 500;
        color: var(--color-text-secondary);
        padding: 6px 10px;
        border-radius: var(--radius-sm);
        white-space: nowrap;
        transition: color var(--transition-base), background-color var(--transition-base);
        position: relative;
    }
    .nav-links a:hover {
        color: var(--color-primary);
        background-color: var(--color-primary-light);
    }
    .nav-links a.active {
        color: var(--color-primary);
        font-weight: 600;
    }
    .nav-links a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 10px;
        right: 10px;
        height: 2px;
        background-color: var(--color-accent);
        border-radius: 2px;
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .nav-search {
        position: relative;
        display: flex;
        align-items: center;
    }
    .nav-search input {
        width: 160px;
        padding: 7px 12px 7px 32px;
        border: 1px solid var(--color-border);
        border-radius: 20px;
        font-size: 13px;
        font-family: var(--font-cn);
        background-color: #FDFCFA;
        transition: border-color var(--transition-base), width var(--transition-base), box-shadow var(--transition-base);
    }
    .nav-search input:focus {
        outline: none;
        border-color: var(--color-accent);
        width: 200px;
        box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
    }
    .nav-search svg {
        position: absolute;
        left: 10px;
        top: 50%;
        transform: translateY(-50%);
        width: 15px;
        height: 15px;
        stroke: var(--color-text-secondary);
        fill: none;
        stroke-width: 2;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        font-family: var(--font-cn);
        font-weight: 600;
        font-size: 14px;
        padding: 10px 22px;
        border-radius: var(--radius-md);
        border: none;
        cursor: pointer;
        transition: all var(--transition-base);
        text-decoration: none;
        white-space: nowrap;
    }
    .btn-primary {
        background-color: var(--color-primary);
        color: #FFFFFF;
    }
    .btn-primary:hover {
        background-color: var(--color-primary-dark);
        color: #FFFFFF;
        box-shadow: 0 4px 12px rgba(139, 26, 26, 0.25);
        transform: translateY(-1px);
    }
    .btn-primary:active {
        transform: translateY(1px);
        box-shadow: none;
    }
    .btn-accent {
        background-color: var(--color-accent);
        color: var(--color-text);
    }
    .btn-accent:hover {
        background-color: var(--color-accent-dark);
        color: var(--color-text);
        box-shadow: 0 4px 12px rgba(201, 162, 39, 0.30);
        transform: translateY(-1px);
    }
    .btn-outline {
        background: transparent;
        color: var(--color-primary);
        border: 2px solid var(--color-primary);
    }
    .btn-outline:hover {
        background-color: var(--color-primary-light);
        color: var(--color-primary);
        box-shadow: none;
    }
    .btn-sm {
        padding: 7px 14px;
        font-size: 13px;
    }

    /* Breadcrumb */
    .breadcrumb {
        padding: 16px 0;
        font-size: 13px;
        color: var(--color-text-secondary);
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
    }
    .breadcrumb a {
        color: var(--color-text-secondary);
        font-weight: 500;
    }
    .breadcrumb a:hover {
        color: var(--color-primary);
    }
    .breadcrumb .separator {
        color: var(--color-border);
        font-size: 12px;
    }
    .breadcrumb .current {
        color: var(--color-primary);
        font-weight: 600;
    }

    /* Category Hero */
    .category-hero {
        position: relative;
        min-height: 360px;
        display: flex;
        align-items: center;
        background-image: linear-gradient(rgba(26, 26, 46, 0.78), rgba(26, 26, 46, 0.85)), url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        color: #FFFFFF;
        padding: 56px 0;
        margin-bottom: var(--spacing-section);
    }
    .category-hero .container {
        position: relative;
        z-index: 2;
    }
    .category-hero h1 {
        font-size: 34px;
        font-weight: 700;
        line-height: 1.3;
        margin-bottom: 16px;
        color: #FFFFFF;
        letter-spacing: 0.5px;
    }
    .category-hero p {
        font-size: 16px;
        line-height: 1.9;
        color: rgba(255, 255, 255, 0.85);
        max-width: 680px;
        margin-bottom: 24px;
    }
    .hero-badge {
        display: inline-block;
        background-color: var(--color-accent);
        color: var(--color-text);
        font-size: 12px;
        font-weight: 700;
        padding: 4px 12px;
        border-radius: 20px;
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }

    /* Main content area */
    .page-main {
        min-height: 60vh;
        padding-bottom: var(--spacing-section);
    }
    .content-with-sidebar {
        display: grid;
        grid-template-columns: 1fr 320px;
        gap: 32px;
    }
    .main-content {
        min-width: 0;
    }
    .sidebar {
        min-width: 0;
    }

    /* Section styling */
    .section {
        margin-bottom: 48px;
    }
    .section-title {
        font-size: 24px;
        font-weight: 700;
        color: var(--color-text);
        margin-bottom: 20px;
        line-height: 1.35;
        letter-spacing: 0.3px;
        position: relative;
        padding-bottom: 12px;
    }
    .section-title::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 48px;
        height: 3px;
        background-color: var(--color-accent);
        border-radius: 2px;
    }
    .section-subtitle {
        font-size: 15px;
        color: var(--color-text-secondary);
        margin-bottom: 20px;
        line-height: 1.9;
    }

    /* Comparison Cards */
    .comparison-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        margin-top: 24px;
    }
    .comparison-card {
        background: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: all var(--transition-base);
        cursor: pointer;
    }
    .comparison-card:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-2px);
        border-color: var(--color-accent);
    }
    .comparison-card-image {
        height: 160px;
        overflow: hidden;
        position: relative;
    }
    .comparison-card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .comparison-card-image .tag {
        position: absolute;
        top: 10px;
        left: 10px;
        background-color: var(--color-accent);
        color: var(--color-text);
        font-size: 11px;
        font-weight: 700;
        padding: 3px 10px;
        border-radius: 20px;
        letter-spacing: 0.3px;
    }
    .comparison-card-body {
        padding: 18px 20px 20px;
    }
    .comparison-card-body h3 {
        font-size: 17px;
        font-weight: 600;
        color: var(--color-text);
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .comparison-card-body p {
        font-size: 13px;
        color: var(--color-text-secondary);
        line-height: 1.8;
        margin-bottom: 12px;
    }
    .comparison-metrics {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
        margin-bottom: 12px;
    }
    .comparison-metrics .metric-tag {
        font-size: 11px;
        padding: 3px 8px;
        border-radius: 4px;
        background-color: var(--color-primary-light);
        color: var(--color-primary);
        font-weight: 600;
    }

    /* In-depth article */
    .deep-article {
        background: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        padding: 32px;
        box-shadow: var(--shadow-card);
    }
    .deep-article h3 {
        font-size: 19px;
        font-weight: 600;
        color: var(--color-primary);
        margin: 24px 0 12px;
        line-height: 1.45;
    }
    .deep-article h3:first-child {
        margin-top: 0;
    }
    .deep-article p {
        font-size: 15px;
        line-height: 2.0;
        color: var(--color-text);
        margin-bottom: 16px;
    }
    .deep-article .highlight-box {
        background-color: var(--color-bg);
        border-left: 3px solid var(--color-accent);
        padding: 16px 20px;
        border-radius: 0 var(--radius-md) var(--radius-md) 0;
        margin: 16px 0;
    }
    .deep-article .highlight-box p {
        margin-bottom: 0;
        font-size: 14px;
        color: var(--color-text-secondary);
    }

    /* Comparison table-like block */
    .comparison-panel {
        background: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        margin-top: 24px;
    }
    .comparison-panel-header {
        background-color: var(--color-dark);
        color: #FFFFFF;
        padding: 16px 20px;
        font-weight: 600;
        font-size: 15px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .comparison-panel-header .badge {
        background-color: var(--color-accent);
        color: var(--color-text);
        font-size: 11px;
        padding: 3px 10px;
        border-radius: 20px;
        font-weight: 700;
    }
    .comparison-row {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr 1fr;
        border-bottom: 1px solid var(--color-border);
        padding: 14px 20px;
        align-items: center;
        gap: 12px;
    }
    .comparison-row:last-child {
        border-bottom: none;
    }
    .comparison-row .label {
        font-weight: 600;
        font-size: 14px;
        color: var(--color-text);
    }
    .comparison-row .value {
        font-size: 14px;
        color: var(--color-text-secondary);
    }
    .comparison-row .value.highlight {
        color: var(--color-primary);
        font-weight: 600;
        font-family: var(--font-num);
    }
    .comparison-row .value.success {
        color: var(--color-success);
        font-weight: 600;
    }
    .comparison-row .value.warning {
        color: var(--color-warning);
        font-weight: 600;
    }

    /* Sidebar */
    .sidebar-card {
        background: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        padding: 20px;
        box-shadow: var(--shadow-card);
        margin-bottom: 20px;
    }
    .sidebar-card h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--color-text);
        margin-bottom: 14px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--color-border);
    }
    .sidebar-card ul {
        list-style: none;
    }
    .sidebar-card ul li {
        padding: 8px 0;
        border-bottom: 1px solid var(--color-border);
        font-size: 13px;
    }
    .sidebar-card ul li:last-child {
        border-bottom: none;
    }
    .sidebar-card ul li a {
        color: var(--color-text-secondary);
        font-weight: 500;
        transition: color var(--transition-base);
    }
    .sidebar-card ul li a:hover {
        color: var(--color-primary);
    }

    /* Pagination */
    .pagination {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        margin-top: 32px;
    }
    .pagination a,
    .pagination span {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 36px;
        height: 36px;
        padding: 0 10px;
        border-radius: var(--radius-sm);
        font-size: 13px;
        font-weight: 500;
        border: 1px solid var(--color-border);
        background-color: #FFFFFF;
        color: var(--color-text);
        transition: all var(--transition-base);
    }
    .pagination a:hover {
        background-color: var(--color-primary-light);
        border-color: var(--color-primary);
        color: var(--color-primary);
    }
    .pagination .current {
        background-color: var(--color-primary);
        color: #FFFFFF;
        border-color: var(--color-primary);
        font-weight: 700;
    }
    .pagination .disabled {
        color: var(--color-text-secondary);
        opacity: 0.5;
        pointer-events: none;
    }

    /* FAQ Section */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-top: 24px;
    }
    .faq-item {
        background: #FFFFFF;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: all var(--transition-base);
    }
    .faq-item:hover {
        border-color: var(--color-accent);
    }
    .faq-question {
        padding: 16px 20px;
        cursor: pointer;
        font-weight: 600;
        font-size: 14px;
        color: var(--color-text);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        user-select: none;
    }
    .faq-question .faq-icon {
        flex-shrink: 0;
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background-color: var(--color-primary-light);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        color: var(--color-primary);
        transition: all var(--transition-base);
    }
    .faq-answer {
        padding: 0 20px 16px;
        font-size: 14px;
        color: var(--color-text-secondary);
        line-height: 1.9;
        display: none;
        border-left: 3px solid var(--color-accent);
        margin-left: 20px;
    }
    .faq-item.open .faq-answer {
        display: block;
    }
    .faq-item.open .faq-icon {
        background-color: var(--color-accent);
        color: var(--color-text);
        transform: rotate(45deg);
    }

    /* CTA Section */
    .cta-section {
        background: linear-gradient(135deg, var(--color-primary) 60%, var(--color-primary-dark));
        border-radius: var(--radius-xl);
        padding: 48px 40px;
        color: #FFFFFF;
        margin-top: 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
        flex-wrap: wrap;
    }
    .cta-section h3 {
        font-size: 24px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 8px;
    }
    .cta-section p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.8);
        line-height: 1.8;
        max-width: 500px;
    }
    .cta-section .cta-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }

    /* Footer */
    .site-footer {
        background-color: var(--color-dark);
        color: rgba(255, 255, 255, 0.8);
        padding: 48px 0 0;
        margin-top: var(--spacing-section);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        padding-bottom: 32px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .footer-brand h4 {
        font-size: 18px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 12px;
    }
    .footer-brand p {
        font-size: 13px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.65);
    }
    .footer-links h5 {
        font-size: 14px;
        font-weight: 600;
        color: #FFFFFF;
        margin-bottom: 12px;
    }
    .footer-links ul {
        list-style: none;
    }
    .footer-links ul li {
        margin-bottom: 8px;
    }
    .footer-links ul li a {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.65);
        transition: color var(--transition-base);
    }
    .footer-links ul li a:hover {
        color: var(--color-accent);
        box-shadow: none;
    }
    .footer-bottom {
        padding: 20px 0;
        text-align: center;
        font-size: 12px;
        color: rgba(255, 255, 255, 0.5);
        line-height: 2;
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.5);
        font-size: 12px;
    }
    .footer-bottom a:hover {
        color: var(--color-accent);
        box-shadow: none;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .comparison-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .content-with-sidebar {
            grid-template-columns: 1fr;
        }
        .sidebar {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .sidebar-card {
            margin-bottom: 0;
        }
        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 768px) {
        .nav-search input {
            width: 100px;
        }
        .nav-search input:focus {
            width: 140px;
        }
        .nav-links a {
            font-size: 12px;
            padding: 5px 8px;
        }
        .category-hero h1 {
            font-size: 26px;
        }
        .comparison-grid {
            grid-template-columns: 1fr;
        }
        .comparison-row {
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            padding: 10px 14px;
        }
        .comparison-row .label {
            font-size: 12px;
        }
        .comparison-row .value {
            font-size: 12px;
            text-align: right;
        }
        .sidebar {
            grid-template-columns: 1fr;
        }
        .cta-section {
            padding: 32px 24px;
            flex-direction: column;
            text-align: center;
        }
        .cta-section .cta-actions {
            justify-content: center;
        }
        .deep-article {
            padding: 20px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
    }

    @media (max-width: 576px) {
        .site-header {
            height: auto;
            min-height: 56px;
            padding: 8px 0;
        }
        .nav-container {
            flex-wrap: wrap;
            gap: 8px;
        }
        .nav-logo-text {
            font-size: 15px;
        }
        .nav-links {
            order: 3;
            width: 100%;
            justify-content: flex-start;
            gap: 2px;
        }
        .nav-links a {
            padding: 4px 7px;
            font-size: 11px;
        }
        .nav-actions {
            gap: 6px;
        }
        .nav-search input {
            width: 80px;
            padding-left: 26px;
            font-size: 11px;
        }
        .nav-search input:focus {
            width: 100px;
        }
        .btn-sm {
            padding: 6px 10px;
            font-size: 11px;
        }
        .category-hero {
            min-height: 280px;
            padding: 36px 0;
        }
        .category-hero h1 {
            font-size: 22px;
        }
        .category-hero p {
            font-size: 13px;
        }
        .section-title {
            font-size: 20px;
        }
        .pagination a,
        .pagination span {
            min-width: 30px;
            height: 30px;
            font-size: 11px;
            padding: 0 6px;
        }
        .cta-section h3 {
            font-size: 20px;
        }
    }

/* roulang page: category6 */
:root {
            --color-primary: #8B1A1A;
            --color-primary-dark: #7A1616;
            --color-primary-light: rgba(139, 26, 26, 0.08);
            --color-accent: #C9A227;
            --color-accent-dark: #B8961D;
            --color-bg: #FAF7F2;
            --color-dark: #1A1A2E;
            --color-text: #26221C;
            --color-text-secondary: #6E6458;
            --color-border: #E5DED4;
            --color-success: #2F5D3A;
            --color-warning: #D54B1A;
            --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Roboto", monospace, sans-serif;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 16px;
            --shadow-card: 0 2px 12px rgba(38, 34, 28, 0.06);
            --shadow-card-hover: 0 6px 18px rgba(38, 34, 28, 0.10);
            --spacing-section: 64px;
            --spacing-card: 20px;
            --spacing-gap: 16px;
            --transition-base: 0.25s ease;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base), box-shadow var(--transition-base);
        }
        a:hover {
            color: var(--color-primary-dark);
            box-shadow: 0 2px 0 0 var(--color-accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 2px 12px rgba(38, 34, 28, 0.05);
            height: 68px;
            display: flex;
            align-items: center;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #C9A227, var(--color-primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.5px;
            font-family: var(--font-num);
            box-shadow: 0 2px 6px rgba(139, 26, 26, 0.25);
        }
        .nav-logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-base), background-color var(--transition-base);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-light);
        }
        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search input {
            width: 160px;
            padding: 7px 12px 7px 32px;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 13px;
            font-family: var(--font-cn);
            background-color: #FDFCFA;
            transition: border-color var(--transition-base), width var(--transition-base), box-shadow var(--transition-base);
        }
        .nav-search input:focus {
            outline: none;
            border-color: var(--color-accent);
            width: 200px;
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
        }
        .nav-search svg {
            position: absolute;
            left: 10px;
            pointer-events: none;
            color: var(--color-text-secondary);
        }
        .nav-cta {
            background-color: var(--color-primary);
            color: #FFFFFF;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            transition: background-color var(--transition-base), transform var(--transition-base);
            border: none;
            cursor: pointer;
        }
        .nav-cta:hover {
            background-color: var(--color-primary-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 2px 0 0 var(--color-accent);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
            flex-shrink: 0;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-text);
            margin: 5px 0;
            border-radius: 2px;
            transition: var(--transition-base);
        }
        /* Breadcrumb */
        .breadcrumb-wrap {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 10px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
            box-shadow: none;
        }
        .breadcrumb .separator {
            color: var(--color-border);
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }
        /* Page Hero */
        .page-hero {
            background-color: var(--color-dark);
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
            background-image: linear-gradient(rgba(26, 26, 46, 0.82), rgba(26, 26, 46, 0.92)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            color: #FFFFFF;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary));
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin: 0 0 16px;
            color: #FFFFFF;
        }
        .page-hero .hero-desc {
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 0 24px;
        }
        .hero-meta {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }
        .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-meta .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-accent);
        }
        /* Main content layout */
        .page-main {
            padding: 48px 0 var(--spacing-section);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 28px;
        }
        /* Featured news */
        .featured-news {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            margin-bottom: 28px;
            grid-column: 1 / -1;
        }
        .featured-news-img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .featured-news-body {
            padding: 24px 28px 28px;
        }
        .featured-news-tag {
            display: inline-block;
            background-color: var(--color-primary);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .featured-news h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 10px;
            color: var(--color-text);
        }
        .featured-news .news-date {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
        }
        .featured-news p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin: 0 0 16px;
        }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            color: var(--color-primary);
            transition: gap var(--transition-base);
        }
        .read-more:hover {
            gap: 10px;
            color: var(--color-primary-dark);
        }
        /* News cards */
        .news-card-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .news-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent-dark);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .news-card h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin: 0 0 8px;
            color: var(--color-text);
        }
        .news-card .news-date {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-bottom: 10px;
        }
        .news-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-secondary);
            margin: 0 0 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .read-more {
            font-size: 13px;
        }
        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 20px;
        }
        .sidebar-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--color-border);
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list a {
            font-size: 14px;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        .sidebar-list a:hover {
            color: var(--color-primary);
            box-shadow: none;
        }
        .sidebar-list .side-num {
            color: var(--color-accent-dark);
            font-weight: 700;
            font-family: var(--font-num);
            flex-shrink: 0;
        }
        .sidebar-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tag-list a {
            font-size: 12px;
            padding: 5px 12px;
            border-radius: 20px;
            background-color: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 500;
        }
        .sidebar-tag-list a:hover {
            background-color: var(--color-primary);
            color: #FFFFFF;
            box-shadow: none;
        }
        /* Long form content */
        .long-form {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 32px 36px;
            margin-top: 28px;
            grid-column: 1 / -1;
        }
        .long-form h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 16px;
            color: var(--color-text);
        }
        .long-form h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.5;
            margin: 20px 0 10px;
            color: var(--color-primary);
        }
        .long-form p {
            font-size: 15px;
            line-height: 2.0;
            color: var(--color-text);
            margin: 0 0 16px;
        }
        .long-form .data-highlight {
            background-color: var(--color-bg);
            border-left: 4px solid var(--color-accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 16px 0;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        /* Pagination */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
            grid-column: 1 / -1;
        }
        .pagination-wrap a,
        .pagination-wrap span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            background-color: #FFFFFF;
            color: var(--color-text);
            transition: var(--transition-base);
        }
        .pagination-wrap a:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
            box-shadow: 0 2px 0 0 var(--color-accent);
        }
        .pagination-wrap .active-page {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: #FFFFFF;
            font-weight: 600;
        }
        .pagination-wrap .page-disabled {
            opacity: 0.5;
            pointer-events: none;
        }
        /* FAQ */
        .faq-section {
            background-color: var(--color-bg);
            padding: var(--spacing-section) 0;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-cn);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 18px;
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
            border-left: 3px solid var(--color-accent);
            margin-left: 18px;
        }
        .faq-answer p {
            font-size: 14px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            margin: 0;
        }
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #5E1212 100%);
            padding: var(--spacing-section) 0;
            color: #FFFFFF;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-info h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 14px;
            color: #FFFFFF;
        }
        .cta-info p {
            font-size: 15px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
        }
        .cta-form {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }
        .cta-form h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 16px;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-cn);
            background-color: #FDFCFA;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
            box-sizing: border-box;
            color: var(--color-text);
        }
        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
        }
        .form-submit {
            width: 100%;
            background-color: var(--color-accent);
            color: #26221C;
            padding: 12px 20px;
            border: none;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font-cn);
            cursor: pointer;
            transition: background-color var(--transition-base), transform var(--transition-base);
            letter-spacing: 0.5px;
        }
        .form-submit:hover {
            background-color: var(--color-accent-dark);
            transform: translateY(-1px);
        }
        .form-note {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-top: 10px;
            line-height: 1.6;
        }
        /* Footer */
        .site-footer {
            background-color: var(--color-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
        }
        .footer-brand h4 {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 12px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
        }
        .footer-links h5 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0 0 14px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--color-accent);
            box-shadow: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 18px 0;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 2;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
            box-shadow: none;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-card-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .sidebar {
                order: 3;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-search input {
                width: 120px;
            }
            .nav-search input:focus {
                width: 150px;
            }
            .nav-cta {
                padding: 8px 12px;
                font-size: 12px;
            }
            .page-hero {
                padding: 40px 0 48px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero .hero-desc {
                font-size: 14px;
            }
            .news-card-list {
                grid-template-columns: 1fr;
            }
            .featured-news-img {
                height: 220px;
            }
            .featured-news-body {
                padding: 18px 20px 22px;
            }
            .featured-news h2 {
                font-size: 20px;
            }
            .long-form {
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-form {
                padding: 20px;
            }
            .pagination-wrap {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 520px) {
            .nav-logo-text {
                font-size: 15px;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }
            .nav-search input {
                width: 88px;
                font-size: 12px;
                padding-left: 26px;
            }
            .nav-cta {
                padding: 6px 10px;
                font-size: 11px;
            }
            .site-header {
                height: 60px;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .hero-meta {
                gap: 12px;
                font-size: 12px;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 4px;
            }
            .page-main {
                padding: 32px 0 40px;
            }
            .cta-info h2 {
                font-size: 22px;
            }
            .pagination-wrap a,
            .pagination-wrap span {
                min-width: 32px;
                height: 32px;
                padding: 0 8px;
                font-size: 12px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #8B1A1A;
            --color-primary-dark: #7A1616;
            --color-primary-light: rgba(139, 26, 26, 0.08);
            --color-accent: #C9A227;
            --color-accent-dark: #B8961D;
            --color-bg: #FAF7F2;
            --color-dark: #1A1A2E;
            --color-text: #26221C;
            --color-text-secondary: #6E6458;
            --color-border: #E5DED4;
            --color-success: #2F5D3A;
            --color-warning: #D54B1A;
            --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Roboto", monospace, sans-serif;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 16px;
            --shadow-card: 0 2px 12px rgba(38, 34, 28, 0.06);
            --shadow-card-hover: 0 6px 18px rgba(38, 34, 28, 0.10);
            --spacing-section: 64px;
            --spacing-card: 20px;
            --spacing-gap: 16px;
            --transition-base: 0.25s ease;
            --max-width: 1200px;
        }

        *,
        *::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-cn);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--color-primary-dark);
            box-shadow: 0 2px 0 0 var(--color-accent);
        }

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

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

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

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

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 2px 12px rgba(38, 34, 28, 0.05);
            height: 68px;
            display: flex;
            align-items: center;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            width: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #C9A227, var(--color-primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.5px;
            font-family: var(--font-num);
            box-shadow: 0 2px 6px rgba(139, 26, 26, 0.25);
        }

        .nav-logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }

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

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-base), background-color var(--transition-base);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background-color: var(--color-primary-light);
            box-shadow: none;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

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

        .nav-search input {
            width: 160px;
            padding: 7px 12px 7px 32px;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 13px;
            font-family: var(--font-cn);
            background-color: #FDFCFA;
            color: var(--color-text);
            transition: border-color var(--transition-base), width var(--transition-base), box-shadow var(--transition-base);
        }

        .nav-search input::placeholder {
            color: var(--color-text-secondary);
        }

        .nav-search input:focus {
            outline: none;
            border-color: var(--color-accent);
            width: 200px;
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
        }

        .nav-search svg {
            position: absolute;
            left: 10px;
            width: 15px;
            height: 15px;
            color: var(--color-text-secondary);
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: none;
            cursor: pointer;
            border-radius: var(--radius-md);
            font-family: var(--font-cn);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            transition: all var(--transition-base);
            text-align: center;
            gap: 8px;
            line-height: 1.5;
            white-space: nowrap;
        }

        .btn:hover {
            box-shadow: none;
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: #FFFFFF;
            padding: 9px 18px;
            font-size: 13px;
            border-radius: 20px;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(139, 26, 26, 0.25);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-outline {
            background-color: transparent;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            padding: 10px 22px;
            border-radius: var(--radius-md);
        }

        .btn-outline:hover {
            background-color: var(--color-primary-light);
            color: var(--color-primary-dark);
            box-shadow: none;
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: #26221C;
            padding: 10px 22px;
            border-radius: var(--radius-md);
        }

        .btn-accent:hover {
            background-color: var(--color-accent-dark);
            color: #26221C;
            box-shadow: none;
            transform: translateY(-1px);
        }

        .btn-accent:active {
            transform: translateY(1px);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            background-color: #FDFCFA;
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-secondary);
            list-style: none;
        }

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

        .breadcrumb li+li::before {
            content: '/';
            color: var(--color-border);
            margin-right: 8px;
            font-size: 12px;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            font-weight: 400;
        }

        .breadcrumb a:hover {
            color: var(--color-primary);
            box-shadow: none;
        }

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

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 320px;
            display: flex;
            align-items: center;
            padding: 48px 0;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.72) 50%, rgba(26, 26, 46, 0.55) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .category-hero-content {
            max-width: 680px;
        }

        .category-hero-tag {
            display: inline-block;
            background-color: rgba(201, 162, 39, 0.2);
            border: 1px solid rgba(201, 162, 39, 0.5);
            color: #E8D184;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            font-family: var(--font-cn);
        }

        .category-hero h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: #FFFFFF;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .category-hero p {
            font-size: 15px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
        }

        /* ========== Strategy Metrics ========== */
        .metrics-section {
            padding: var(--spacing-section) 0;
            background-color: var(--color-bg);
        }

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

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-gap);
        }

        .metric-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .dark .metric-card {
            background-color: rgba(255, 255, 255, 0.06);
            border-color: rgba(201, 162, 39, 0.3);
            box-shadow: none;
        }

        .dark .metric-card:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: var(--color-accent);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
        }

        .metric-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            font-weight: 500;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .dark .metric-label {
            color: rgba(255, 255, 255, 0.6);
        }

        .metric-value {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-text);
            letter-spacing: -0.5px;
        }

        .dark .metric-value {
            color: var(--color-accent);
        }

        .metric-change {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            margin-top: 8px;
            font-family: var(--font-num);
        }

        .metric-change.up {
            color: var(--color-success);
        }

        .metric-change.down {
            color: var(--color-warning);
        }

        .metric-change.neutral {
            color: var(--color-text-secondary);
        }

        .dark .metric-change.neutral {
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== Strategy List (Odd page: left text right image) ========== */
        .strategy-list-section {
            padding: var(--spacing-section) 0;
            background-color: #FFFFFF;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-heading {
            margin-bottom: 32px;
        }

        .section-heading h2 {
            font-size: 26px;
            font-weight: 600;
            line-height: 1.35;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 700px;
        }

        .strategy-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .strategy-item {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 28px;
            align-items: center;
            padding: 24px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            background-color: #FDFCFA;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }

        .strategy-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(201, 162, 39, 0.5);
        }

        .strategy-text h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .strategy-text p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
        }

        .strategy-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--color-text-secondary);
            font-family: var(--font-num);
        }

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

        .strategy-tag {
            display: inline-block;
            background-color: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 20px;
            font-family: var(--font-cn);
        }

        .strategy-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 180px;
            position: relative;
        }

        .strategy-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
            transition: transform var(--transition-base);
        }

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

        /* ========== Prose Content ========== */
        .prose-section {
            padding: var(--spacing-section) 0;
            background-color: var(--color-bg);
        }

        .prose-inner {
            max-width: 800px;
            margin: 0 auto;
        }

        .prose-inner h2 {
            font-size: 24px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 20px;
        }

        .prose-inner h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--color-primary);
            margin: 28px 0 12px;
        }

        .prose-inner p {
            font-size: 15px;
            line-height: 2.0;
            color: var(--color-text);
            margin-bottom: 20px;
        }

        .prose-inner .highlight-box {
            background-color: #FFFFFF;
            border-left: 4px solid var(--color-accent);
            padding: 20px 24px;
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
            border-top: 1px solid var(--color-border);
            border-right: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 24px;
            font-size: 14px;
            line-height: 1.9;
            color: var(--color-text-secondary);
        }

        /* ========== Compare Table ========== */
        .compare-section {
            padding: var(--spacing-section) 0;
            background-color: #FFFFFF;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            background-color: #FDFCFA;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 14px;
        }

        .compare-table th {
            background-color: var(--color-dark);
            color: #FFFFFF;
            font-weight: 600;
            text-align: left;
            padding: 14px 18px;
            font-size: 13px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .compare-table th:first-child {
            border-top-left-radius: var(--radius-lg);
        }

        .compare-table th:last-child {
            border-top-right-radius: var(--radius-lg);
        }

        .compare-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
            line-height: 1.7;
            vertical-align: top;
        }

        .compare-table tbody tr:nth-child(even) {
            background-color: rgba(201, 162, 39, 0.04);
        }

        .compare-table tbody tr:hover {
            background-color: rgba(139, 26, 26, 0.05);
        }

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

        .badge-cell {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        .badge-recommend {
            background-color: rgba(47, 93, 58, 0.12);
            color: var(--color-success);
        }

        .badge-caution {
            background-color: rgba(213, 75, 26, 0.12);
            color: var(--color-warning);
        }

        /* ========== Steps ========== */
        .steps-section {
            padding: var(--spacing-section) 0;
            background-color: var(--color-bg);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-gap);
        }

        .step-card {
            background-color: #FFFFFF;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            position: relative;
        }

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

        .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: var(--color-accent);
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .step-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

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

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

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

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

        .faq-item:hover {
            box-shadow: var(--shadow-card);
            border-color: rgba(201, 162, 39, 0.4);
        }

        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            user-select: none;
            transition: color var(--transition-base);
            position: relative;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--color-primary);
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            transition: transform var(--transition-base);
            color: var(--color-accent);
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
        }

        .faq-item[open] summary {
            border-left: 3px solid var(--color-accent);
            padding-left: 19px;
        }

        .faq-answer {
            padding: 0 22px 20px;
            font-size: 14px;
            line-height: 1.9;
            color: var(--color-text-secondary);
            border-top: 1px solid var(--color-border);
            padding-top: 16px;
            margin: 0 22px 18px;
            border-top: 1px dashed var(--color-border);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--spacing-section) 0;
            background-color: var(--color-dark);
        }

        .cta-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-text h2 {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.35;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .cta-text p {
            font-size: 15px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.75);
            max-width: 500px;
        }

        .cta-form {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(201, 162, 39, 0.3);
            border-radius: var(--radius-xl);
            padding: 28px;
        }

        .cta-form h3 {
            font-size: 18px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 8px;
        }

        .cta-form .form-hint {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            line-height: 1.6;
        }

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

        .form-group label {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-cn);
            background-color: #FFFFFF;
            color: var(--color-text);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.2);
        }

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

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236E6458' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        .form-submit {
            width: 100%;
            background-color: var(--color-accent);
            color: #26221C;
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 20px;
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font-cn);
            cursor: pointer;
            transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .form-submit:hover {
            background-color: var(--color-accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(201, 162, 39, 0.3);
        }

        .form-submit:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        /* ========== Pagination ========== */
        .pagination-section {
            padding: 32px 0 48px;
            background-color: var(--color-bg);
        }

        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            background-color: #FFFFFF;
            transition: all var(--transition-base);
            font-family: var(--font-num);
        }

        .page-link:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
            box-shadow: none;
        }

        .page-link.active {
            background-color: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        .page-link.disabled {
            opacity: 0.45;
            pointer-events: none;
        }

        .page-gap {
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 0 4px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background-color: var(--color-dark);
            padding: 48px 0 24px;
            color: rgba(255, 255, 255, 0.75);
        }

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

        .footer-brand h4 {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-links h5 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--color-accent);
            box-shadow: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.8;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
            box-shadow: none;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

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

            .cta-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .strategy-item {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .strategy-image {
                height: 220px;
                order: -1;
            }
        }

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

            .site-header {
                height: 60px;
            }

            .nav-logo-text {
                font-size: 15px;
            }

            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }

            .nav-search input {
                width: 110px;
                font-size: 12px;
                padding: 6px 10px 6px 28px;
            }

            .nav-search input:focus {
                width: 150px;
            }

            .btn-primary {
                padding: 7px 14px;
                font-size: 12px;
                border-radius: 18px;
            }

            .category-hero {
                min-height: 260px;
                padding: 32px 0;
            }

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

            .category-hero p {
                font-size: 14px;
            }

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

            .metric-card {
                padding: 18px 16px;
            }

            .metric-value {
                font-size: 32px;
            }

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

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

            .cta-form {
                padding: 20px;
            }

            .strategy-item {
                padding: 16px;
            }

            .strategy-image {
                height: 180px;
            }

            .compare-table {
                min-width: 600px;
                font-size: 12px;
            }

            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
            }

            .pagination {
                gap: 4px;
            }

            .page-link {
                min-width: 34px;
                height: 34px;
                font-size: 12px;
                padding: 0 8px;
            }
        }

        @media (max-width: 520px) {
            .nav-container {
                gap: 8px;
            }

            .nav-logo-text {
                font-size: 13px;
                letter-spacing: 0;
            }

            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 11px;
            }

            .nav-actions {
                gap: 6px;
            }

            .nav-search input {
                width: 70px;
                padding: 5px 8px 5px 22px;
                font-size: 11px;
                border-radius: 16px;
            }

            .nav-search input:focus {
                width: 110px;
            }

            .nav-search svg {
                left: 6px;
                width: 12px;
                height: 12px;
            }

            .btn-primary {
                padding: 6px 10px;
                font-size: 11px;
                border-radius: 15px;
            }

            .nav-links a {
                font-size: 12px;
                padding: 4px 6px;
            }

            .category-hero {
                min-height: 220px;
                padding: 24px 0;
            }

            .category-hero h1 {
                font-size: 22px;
            }

            .category-hero-tag {
                font-size: 10px;
                padding: 3px 10px;
            }

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

            .strategy-item {
                padding: 12px;
            }

            .strategy-image {
                height: 150px;
            }

            .strategy-text h3 {
                font-size: 17px;
            }

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

            .footer-bottom {
                font-size: 12px;
            }

            .footer-bottom p {
                margin-bottom: 4px;
            }

            .cta-form {
                padding: 16px;
            }

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

            .prose-inner h2 {
                font-size: 20px;
            }

            .prose-inner h3 {
                font-size: 17px;
            }
        }