/* roulang page: index */
:root {
            --primary: #C8102E;
            --primary-dark: #A30D24;
            --secondary: #1A1A1A;
            --gold: #B8913A;
            --bg: #F5F2EC;
            --text: #242424;
            --text-light: #6B6B6B;
            --border: rgba(200, 16, 46, 0.10);
            --border-hover: rgba(200, 16, 46, 0.40);
            --radius: 8px;
            --radius-btn: 6px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-hover: 0 6px 20px rgba(200, 16, 46, 0.15);
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 48px;
            --spacing-2xl: 72px;
            --container: 1200px;
            --header-h: 72px;
            --font-sans: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            cursor: pointer;
        }

        input {
            cursor: text;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #EDE8E0;
            min-height: var(--header-h);
            display: flex;
            align-items: center;
            box-shadow: 0 1px 0 rgba(26, 26, 26, 0.03);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-lg);
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .logo .logo-dark {
            color: var(--secondary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            font-size: 15px;
            font-weight: 500;
        }

        .main-nav a {
            position: relative;
            padding: 6px 0;
            color: var(--text);
            white-space: nowrap;
            transition: color var(--transition);
        }

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

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            width: 44px;
            height: 44px;
            justify-content: center;
            align-items: center;
            border-radius: var(--radius-btn);
            background: transparent;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

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

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

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-h));
            background: #ffffff;
            z-index: 99;
            flex-direction: column;
            padding: var(--spacing-xl) var(--spacing-lg);
            gap: var(--spacing-lg);
            overflow-y: auto;
            border-top: 1px solid #EDE8E0;
        }

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

        .mobile-menu a {
            font-size: 18px;
            font-weight: 500;
            padding: 12px 0;
            border-bottom: 1px solid #f0ece6;
            color: var(--text);
        }

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

        /* Quick info bar */
        .quick-bar {
            background: var(--secondary);
            color: #e8e4de;
            padding: 10px 0;
            border-bottom: 1px solid #333;
            overflow: hidden;
            font-size: 14px;
        }

        .quick-bar-inner {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            white-space: nowrap;
            animation: marquee 30s linear infinite;
            min-width: max-content;
        }

        .quick-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #c8c4bc;
        }

        .quick-item .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            flex-shrink: 0;
        }

        .quick-item strong {
            color: #ffffff;
            font-weight: 600;
        }

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

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

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

        .section-alt {
            background: #ffffff;
        }

        .section-deep {
            background: var(--secondary);
        }

        .section-red {
            background: var(--primary);
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text);
            line-height: 1.3;
        }

        .section-header .section-desc {
            color: var(--text-light);
            font-size: 15px;
            max-width: 480px;
            line-height: 1.7;
        }

        .section-tag {
            display: inline-block;
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
        }

        .gold-divider {
            height: 3px;
            width: 48px;
            background: var(--gold);
            border-radius: 2px;
            margin: var(--spacing-md) 0;
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 0;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: var(--secondary);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/07a6f98f8d1497ff.webp');
            background-size: cover;
            background-position: center 30%;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(26, 26, 26, 0.62);
            z-index: 2;
        }

        .hero-inner {
            position: relative;
            z-index: 3;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-xl);
            width: 100%;
            padding: var(--spacing-2xl) 0;
        }

        .hero-left {
            max-width: 640px;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-lg);
        }

        .hero h1 .accent {
            color: var(--gold);
        }

        .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: var(--spacing-xl);
            max-width: 520px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition);
            cursor: pointer;
            min-height: 44px;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #ffffff;
        }

        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #ffffff;
        }

        .btn-outline:hover {
            background: #ffffff;
            color: var(--text);
            border-color: #ffffff;
        }

        .hero-right {
            flex-shrink: 0;
            width: 320px;
        }

        .hero-card {
            background: #ffffff;
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-card-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            letter-spacing: 1px;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

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

        .hero-card-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid #f0ece6;
            font-size: 14px;
        }

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

        .hero-card-rank {
            font-weight: 700;
            color: var(--gold);
            width: 28px;
        }

        .hero-card-name {
            flex: 1;
            color: var(--text);
            font-weight: 500;
        }

        .hero-card-score {
            font-weight: 700;
            color: var(--primary);
            font-size: 16px;
        }

        /* Button small */
        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
            min-height: 36px;
            border-radius: var(--radius-btn);
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: color var(--transition);
        }

        .btn-link:hover {
            color: var(--primary-dark);
        }

        /* Ranking snapshot */
        .rank-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .rank-card {
            background: #ffffff;
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .rank-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .rank-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--text);
        }

        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .rank-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 12px;
            font-size: 14px;
            border-left: 3px solid transparent;
            border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
            transition: background var(--transition);
        }

        .rank-row:hover {
            background: #faf7f2;
        }

        .rank-row.champion {
            border-left-color: var(--gold);
            background: #fdf9f2;
        }

        .rank-row .rank-num {
            font-weight: 700;
            width: 32px;
            color: var(--text);
        }

        .rank-row.champion .rank-num {
            color: var(--gold);
        }

        .rank-row .rank-name {
            flex: 1;
            color: var(--text);
            font-weight: 500;
        }

        .rank-row .rank-value {
            font-weight: 700;
            color: var(--primary);
            font-size: 15px;
        }

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

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

        .brand-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-xl);
        }

        .brand-stat {
            background: #ffffff;
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .brand-stat .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .brand-stat .stat-label {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 4px;
        }

        .brand-image {
            background: #ffffff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

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

        /* Schedule */
        .schedule-strip {
            display: flex;
            gap: var(--spacing-md);
            overflow-x: auto;
            padding: var(--spacing-sm) 0;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .schedule-card {
            min-width: 240px;
            flex-shrink: 0;
            background: #ffffff;
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            scroll-snap-align: start;
        }

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

        .schedule-date {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .schedule-match {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .schedule-venue {
            font-size: 13px;
            color: var(--text-light);
        }

        .schedule-time {
            display: inline-block;
            margin-top: 8px;
            font-size: 13px;
            color: var(--secondary);
            background: #f5f2ec;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 500;
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .feature-card {
            display: flex;
            flex-direction: column;
            background: #ffffff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .feature-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .feature-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .feature-card:hover .feature-card-img img {
            transform: scale(1.03);
        }

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

        .feature-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 8px;
        }

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

        /* Category entry */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .category-card {
            background: #ffffff;
            border-radius: var(--radius);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
            display: block;
        }

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

        .category-card .cat-icon {
            font-size: 40px;
            margin-bottom: var(--spacing-md);
            display: block;
        }

        .category-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .category-card p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: var(--spacing-md);
        }

        .category-card .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
        }

        /* Gear cards */
        .gear-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .gear-card {
            background: #ffffff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .gear-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .gear-card-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }

        .gear-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }

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

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

        .gear-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .gear-card-body p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* Training */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .training-card {
            background: #ffffff;
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .training-card .t-icon {
            font-size: 28px;
            display: block;
            margin-bottom: 8px;
        }

        .training-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .training-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* Data viz */
        .data-viz {
            background: var(--secondary);
            color: #e8e4de;
            border-radius: var(--radius);
            padding: var(--spacing-xl);
        }

        .data-viz h3 {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 4px;
        }

        .data-viz .viz-desc {
            font-size: 14px;
            color: #c8c4bc;
            margin-bottom: var(--spacing-lg);
        }

        .viz-chart {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            margin-top: var(--spacing-lg);
        }

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

        .viz-group-title {
            font-size: 14px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 8px;
        }

        .viz-bar-row {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
        }

        .viz-bar-label {
            width: 60px;
            color: #c8c4bc;
            flex-shrink: 0;
        }

        .viz-bar-track {
            flex: 1;
            height: 16px;
            background: #333;
            border-radius: 8px;
            overflow: hidden;
        }

        .viz-bar-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 8px;
            transition: width 0.4s ease;
        }

        .viz-bar-fill.gold {
            background: var(--gold);
        }

        .viz-bar-value {
            width: 40px;
            text-align: right;
            font-weight: 700;
            color: #ffffff;
            font-size: 13px;
            flex-shrink: 0;
        }

        /* Interview */
        .interview-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            background: #ffffff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .interview-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

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

        .interview-body {
            padding: var(--spacing-xl);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .interview-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: var(--spacing-md);
        }

        .interview-body p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
        }

        /* Community */
        .community-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .community-card {
            background: #ffffff;
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .community-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .community-user {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }

        .user-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #f0ece6;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-light);
            font-weight: 600;
            flex-shrink: 0;
        }

        .user-name {
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
        }

        .community-card h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .community-replies {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 4px;
        }

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

        .service-card {
            background: #ffffff;
            border-radius: var(--radius);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .service-card .s-icon {
            font-size: 32px;
            display: block;
            margin-bottom: var(--spacing-md);
        }

        .service-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #ffffff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: var(--spacing-lg);
            cursor: pointer;
            transition: all var(--transition);
        }

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

        .faq-q {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
        }

        .faq-q .faq-icon {
            font-size: 20px;
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
            transition: transform var(--transition);
        }

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

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        .faq-item.open .faq-a {
            max-height: 240px;
            margin-top: var(--spacing-md);
        }

        /* Partners */
        .partners-grid {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            align-items: center;
            justify-content: center;
        }

        .partner-item {
            font-size: 18px;
            font-weight: 600;
            color: #a8a4a0;
            padding: 12px 24px;
            background: #ffffff;
            border-radius: var(--radius);
            border: 1px solid #ede8e0;
            letter-spacing: 1px;
            transition: all var(--transition);
            cursor: default;
            white-space: nowrap;
        }

        .partner-item:hover {
            color: var(--text);
            border-color: #d8d4cc;
        }

        /* CTA subscribe */
        .cta-subscribe {
            background: var(--primary);
            border-radius: var(--radius);
            padding: var(--spacing-2xl) var(--spacing-xl);
            text-align: center;
            color: #ffffff;
        }

        .cta-subscribe h3 {
            font-size: 28px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
        }

        .cta-subscribe p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: var(--spacing-xl);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .subscribe-form {
            display: flex;
            gap: var(--spacing-md);
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            background: #ffffff;
            border: 1px solid #EDE8E0;
            font-size: 14px;
            color: var(--text);
        }

        .subscribe-form .btn {
            background: #ffffff;
            color: var(--primary);
            font-weight: 700;
        }

        .subscribe-form .btn:hover {
            background: #f5f2ec;
            color: var(--primary-dark);
        }

        /* News brief */
        .news-brief-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-brief-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-lg);
            padding: var(--spacing-md) 0;
            border-bottom: 1px solid #ede8e0;
            transition: background var(--transition);
        }

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

        .news-brief-item:hover {
            background: #faf7f2;
            padding-left: var(--spacing-sm);
            border-radius: var(--radius-btn);
        }

        .news-time {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            width: 60px;
            flex-shrink: 0;
            padding-top: 2px;
        }

        .news-brief-item a {
            font-size: 15px;
            color: var(--text);
            font-weight: 500;
            line-height: 1.6;
            flex: 1;
        }

        .news-brief-item a:hover {
            color: var(--primary);
        }

        /* Contact */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: start;
        }

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

        .contact-info h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .contact-info p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .contact-map {
            background: #ffffff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            aspect-ratio: 16 / 9;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #c8c4bc;
            font-size: 14px;
            background-image: linear-gradient(135deg, #f5f2ec 0%, #faf7f2 50%, #f5f2ec 100%);
        }

        .contact-map span {
            background: #ffffff;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            color: var(--text-light);
            font-weight: 500;
            border: 1px solid #ede8e0;
        }

        /* Friend links */
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            align-items: center;
        }

        .friend-links a {
            font-size: 14px;
            color: var(--text-light);
            padding: 6px 16px;
            background: #ffffff;
            border-radius: var(--radius-btn);
            border: 1px solid #ede8e0;
            transition: all var(--transition);
        }

        .friend-links a:hover {
            color: var(--primary);
            border-color: var(--border-hover);
        }

        /* Brand tagline strip */
        .brand-strip {
            background: var(--secondary);
            padding: var(--spacing-xl) 0;
            text-align: center;
            color: #ffffff;
        }

        .brand-strip p {
            font-size: 20px;
            font-weight: 600;
            letter-spacing: 2px;
            color: #e8e4de;
        }

        .brand-strip .gold-line {
            display: inline-block;
            width: 60px;
            height: 3px;
            background: var(--gold);
            border-radius: 2px;
            margin-bottom: var(--spacing-md);
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: #c8c4bc;
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top: auto;
        }

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

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-md);
        }

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

        .footer-col a {
            font-size: 14px;
            color: #a8a4a0;
            transition: color var(--transition);
        }

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

        .footer-col p {
            font-size: 13px;
            color: #a8a4a0;
            line-height: 1.7;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-md);
        }

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

        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            font-size: 13px;
            color: #888;
        }

        .footer-bottom a {
            color: #888;
            margin-left: var(--spacing-md);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .rank-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .community-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .gear-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 38px;
            }
            .brand-intro {
                grid-template-columns: 1fr;
            }
            .interview-card {
                grid-template-columns: 1fr;
            }
            .viz-chart {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero {
                min-height: auto;
            }
            .hero-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-xl) 0;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-right {
                width: 100%;
            }
            .hero-card {
                padding: var(--spacing-md);
            }
            section {
                padding: var(--spacing-lg) 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .rank-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .training-grid {
                grid-template-columns: 1fr;
            }
            .community-grid {
                grid-template-columns: 1fr;
            }
            .gear-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .brand-stats {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .contact-grid {
                grid-template-columns: 1fr;
            }
            .quick-bar-inner {
                animation-duration: 24s;
            }
            .schedule-card {
                min-width: 200px;
            }
            .brand-text p {
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-md);
            }
            .hero h1 {
                font-size: 26px;
                letter-spacing: 0;
            }
            .hero-sub {
                font-size: 14px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                min-height: 40px;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .section-header {
                flex-direction: column;
                gap: var(--spacing-sm);
            }
            .section-header h2 {
                font-size: 20px;
            }
            .brand-stat .stat-num {
                font-size: 26px;
            }
            .cta-subscribe h3 {
                font-size: 22px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
            }
            .viz-bar-label {
                width: 45px;
                font-size: 11px;
            }
            .viz-bar-value {
                width: 30px;
                font-size: 11px;
            }
            .rank-row {
                padding: 8px 10px;
                font-size: 13px;
            }
            .news-brief-item {
                flex-direction: column;
                gap: 4px;
            }
            .news-time {
                width: auto;
            }
            .partners-grid {
                gap: var(--spacing-sm);
            }
            .partner-item {
                font-size: 14px;
                padding: 8px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #C8102E;
            --primary-dark: #A30D24;
            --secondary: #1A1A1A;
            --gold: #B8913A;
            --bg: #F5F2EC;
            --text: #242424;
            --text-light: #6B6B6B;
            --border: rgba(200, 16, 46, 0.10);
            --border-hover: rgba(200, 16, 46, 0.40);
            --radius: 8px;
            --radius-btn: 6px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-hover: 0 6px 20px rgba(200, 16, 46, 0.15);
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 48px;
            --spacing-2xl: 72px;
            --container: 1200px;
            --header-h: 72px;
            --font-sans: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition: 0.2s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            cursor: pointer;
        }

        input {
            cursor: text;
        }

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

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #EDE8E0;
            min-height: var(--header-h);
            display: flex;
            align-items: center;
            box-shadow: 0 1px 0 rgba(26, 26, 26, 0.03);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-lg);
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .logo .logo-dark {
            color: var(--secondary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            font-size: 15px;
            font-weight: 500;
        }

        .main-nav a {
            position: relative;
            padding: 6px 0;
            color: var(--text);
            white-space: nowrap;
            transition: color var(--transition);
        }

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

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            width: 44px;
            height: 44px;
            justify-content: center;
            align-items: center;
            border-radius: var(--radius-btn);
            background: transparent;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

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

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

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-h));
            background: #ffffff;
            z-index: 99;
            flex-direction: column;
            padding: var(--spacing-xl) var(--spacing-lg);
            gap: var(--spacing-lg);
            overflow-y: auto;
            border-top: 1px solid #EDE8E0;
        }

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

        .mobile-menu a {
            font-size: 18px;
            font-weight: 500;
            padding: 12px 0;
            border-bottom: 1px solid #f0ece6;
            color: var(--text);
        }

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

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

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

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: var(--spacing-md) 0 0;
        }

        .breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-light);
            gap: 4px;
        }

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

        .breadcrumb li+li::before {
            content: '/';
            margin: 0 8px;
            color: #c8c4bc;
        }

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

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

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

        /* Category Page Header */
        .cat-header {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
        }

        .cat-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 var(--spacing-md) 0;
            letter-spacing: 0.5px;
            line-height: 1.35;
        }

        .cat-header .cat-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 800px;
            margin: 0;
        }

        /* Filter Bar */
        .filter-bar {
            padding: var(--spacing-md) 0 var(--spacing-lg);
        }

        .filter-bar-inner {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
            margin-right: 4px;
        }

        .filter-btn {
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            background: #ffffff;
            border: 1px solid #EDE8E0;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

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

        /* Article Grid */
        .article-grid-section {
            padding-top: 0;
        }

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

        .article-card {
            background: #ffffff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .article-card .card-img {
            height: 180px;
            overflow: hidden;
            background: #EDE8E0;
            flex-shrink: 0;
        }

        .article-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .article-card:hover .card-img img {
            transform: scale(1.03);
        }

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

        .article-card .card-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(200, 16, 46, 0.08);
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
            align-self: flex-start;
        }

        .article-card h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin: 0 0 var(--spacing-sm) 0;
            color: var(--secondary);
        }

        .article-card h3 a {
            color: inherit;
            transition: color var(--transition);
        }

        .article-card h3 a:hover {
            color: var(--primary);
        }

        .article-card .card-summary {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0 0 var(--spacing-md) 0;
            flex: 1;
        }

        .article-card .card-meta {
            font-size: 12px;
            color: #a8a29e;
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding-top: var(--spacing-sm);
            border-top: 1px solid #f5f2ec;
        }

        .btn-more-wrap {
            text-align: center;
            margin-top: var(--spacing-xl);
        }

        .btn-outline-primary {
            display: inline-block;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            background: #ffffff;
            color: var(--primary);
            border: 1px solid var(--primary);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .btn-outline-primary:hover {
            background: var(--primary);
            color: #ffffff;
        }

        /* Section Divider */
        .divider-gold {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-xl);
        }

        .divider-gold .line {
            height: 1px;
            background: var(--gold);
            opacity: 0.4;
            flex: 1;
        }

        .divider-gold .divider-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        /* Featured Articles */
        .featured-section {
            background: #ffffff;
            border-top: 1px solid #EDE8E0;
            border-bottom: 1px solid #EDE8E0;
        }

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

        .featured-card {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .featured-card .feat-img {
            height: 120px;
            overflow: hidden;
        }

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

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

        .featured-card h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.5;
        }

        .featured-card .feat-meta {
            font-size: 12px;
            color: #a8a29e;
        }

        /* Related Categories */
        .related-cats-section {
            padding: var(--spacing-xl) 0;
        }

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

        .related-card {
            background: #ffffff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: var(--spacing-lg);
            text-align: center;
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .related-card .rel-icon {
            font-size: 32px;
            margin-bottom: var(--spacing-sm);
            color: var(--primary);
        }

        .related-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            margin: 0 0 var(--spacing-sm) 0;
        }

        .related-card p {
            font-size: 13px;
            color: var(--text-light);
            margin: 0 0 var(--spacing-md) 0;
            line-height: 1.6;
        }

        .related-card .rel-link {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #ffffff;
            font-size: 13px;
            font-weight: 500;
            transition: background 0.2s ease;
        }

        .related-card .rel-link:hover {
            background: var(--primary-dark);
            color: #ffffff;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--primary);
            padding: var(--spacing-xl) 0;
        }

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

        .subscribe-text h2 {
            font-size: 20px;
            font-weight: 600;
            color: #ffffff;
            margin: 0 0 4px 0;
        }

        .subscribe-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
        }

        .subscribe-form {
            display: flex;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .subscribe-form input {
            width: 260px;
            padding: 10px 16px;
            border-radius: var(--radius-btn);
            background: #ffffff;
            color: var(--text);
            font-size: 14px;
            border: 1px solid transparent;
            transition: border-color 0.2s ease;
        }

        .subscribe-form input:focus {
            border-color: var(--gold);
        }

        .subscribe-form button {
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            background: var(--secondary);
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            transition: background 0.2s ease;
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: #333333;
        }

        /* FAQ */
        .faq-section {
            background: #ffffff;
            border-top: 1px solid #EDE8E0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid #EDE8E0;
            padding: var(--spacing-lg) 0;
        }

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

        .faq-question {
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            margin: 0 0 var(--spacing-sm) 0;
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
        }

        .faq-question::before {
            content: 'Q';
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
            line-height: 1.5;
        }

        .faq-answer {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            margin: 0;
            padding-left: 30px;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-md);
        }

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

        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            margin: 0 0 var(--spacing-sm) 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            margin: 0 0 var(--spacing-md) 0;
        }

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

        .footer-col ul li {
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition);
        }

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

        .footer-col p a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-col p a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding-top: var(--spacing-lg);
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            margin: 0 4px;
            transition: color var(--transition);
        }

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

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

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

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

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

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

            .hamburger {
                display: flex;
            }

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

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

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

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

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

            .subscribe-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .subscribe-form {
                width: 100%;
                flex-direction: column;
            }

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

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

            .filter-bar-inner {
                gap: 8px;
            }

            .filter-btn {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-xl: 32px;
                --spacing-lg: 16px;
                --spacing-md: 12px;
                --spacing-sm: 6px;
            }

            .cat-header h1 {
                font-size: 22px;
            }

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

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

/* roulang page: category2 */
:root{
--primary:#C8102E;
--primary-dark:#A30D24;
--secondary:#1A1A1A;
--gold:#B8913A;
--bg:#F5F2EC;
--text:#242424;
--text-light:#6B6B6B;
--border:rgba(200,16,46,0.10);
--border-hover:rgba(200,16,46,0.40);
--radius:8px;
--radius-btn:6px;
--shadow-sm:0 2px 12px rgba(26,26,26,0.06);
--shadow-hover:0 6px 20px rgba(200,16,46,0.15);
--spacing-sm:8px;
--spacing-md:16px;
--spacing-lg:24px;
--spacing-xl:48px;
--spacing-2xl:72px;
--container:1200px;
--header-h:72px;
--font-sans:"Source Han Sans SC","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
--transition:0.2s ease;
}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%;}
body{font-family:var(--font-sans);background-color:var(--bg);color:var(--text);line-height:1.8;font-size:15px;min-height:100vh;display:flex;flex-direction:column;margin:0;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--primary);}
button,input{font-family:inherit;font-size:inherit;border:none;outline:none;background:none;cursor:pointer;}
input{cursor:text;}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--spacing-lg);width:100%;}
.site-header{position:sticky;top:0;z-index:100;background:#ffffff;border-bottom:1px solid #EDE8E0;min-height:var(--header-h);display:flex;align-items:center;box-shadow:0 1px 0 rgba(26,26,26,0.03);}
.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%;gap:var(--spacing-lg);}
.logo{display:flex;align-items:center;font-size:22px;font-weight:700;letter-spacing:0.5px;white-space:nowrap;flex-shrink:0;}
.logo .logo-red{color:var(--primary);}
.logo .logo-dark{color:var(--secondary);}
.main-nav{display:flex;align-items:center;gap:var(--spacing-lg);font-size:15px;font-weight:500;}
.main-nav a{position:relative;padding:6px 0;color:var(--text);white-space:nowrap;transition:color var(--transition);}
.main-nav a:hover{color:var(--primary);}
.main-nav a.active{color:var(--primary);font-weight:600;}
.main-nav a.active::after{content:'';position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--primary);border-radius:1px;}
.hamburger{display:none;flex-direction:column;gap:4px;padding:8px;width:44px;height:44px;justify-content:center;align-items:center;border-radius:var(--radius-btn);background:transparent;cursor:pointer;}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:all 0.25s ease;}
.hamburger.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-menu{display:none;position:fixed;top:var(--header-h);left:0;width:100%;height:calc(100vh - var(--header-h));background:#ffffff;z-index:99;flex-direction:column;padding:var(--spacing-xl) var(--spacing-lg);gap:var(--spacing-lg);overflow-y:auto;border-top:1px solid #EDE8E0;}
.mobile-menu.open{display:flex;}
.mobile-menu a{font-size:18px;font-weight:500;padding:12px 0;border-bottom:1px solid #f0ece6;color:var(--text);}
.mobile-menu a.active{color:var(--primary);font-weight:600;}
main{flex:1;}
.breadcrumb-wrap{background:#ffffff;border-bottom:1px solid #EDE8E0;padding:10px 0;}
.breadcrumb-nav{font-size:13px;color:var(--text-light);display:flex;align-items:center;flex-wrap:wrap;gap:4px;}
.breadcrumb-nav a{color:var(--text-light);transition:color var(--transition);}
.breadcrumb-nav a:hover{color:var(--primary);}
.breadcrumb-nav .sep{margin:0 4px;color:#c8c4bc;}
.breadcrumb-nav .current{color:var(--text);font-weight:500;}
.category-hero{background:var(--bg);padding:var(--spacing-xl) 0 var(--spacing-lg);border-bottom:1px solid var(--border);}
.category-hero h1{font-size:32px;font-weight:700;line-height:1.3;margin-bottom:var(--spacing-md);color:var(--secondary);letter-spacing:0.5px;}
.category-hero .cat-desc{font-size:16px;line-height:1.9;color:var(--text-light);max-width:860px;}
.filter-bar{display:flex;align-items:center;gap:10px;padding:var(--spacing-md) 0;margin:var(--spacing-lg) 0 0;border-bottom:1px solid #EDE8E0;flex-wrap:wrap;}
.filter-bar .filter-label{font-size:14px;font-weight:600;color:var(--text-light);margin-right:6px;}
.filter-btn{padding:6px 18px;border-radius:20px;font-size:14px;font-weight:500;color:var(--text-light);border:1px solid #E5DFD6;transition:all var(--transition);background:#fff;cursor:pointer;}
.filter-btn:hover{color:var(--primary);border-color:var(--border-hover);}
.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg);margin:var(--spacing-xl) 0;}
.content-card{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow var(--transition),border-color var(--transition),transform var(--transition);display:flex;flex-direction:column;}
.content-card:hover{box-shadow:var(--shadow-hover);border-color:var(--border-hover);transform:translateY(-3px);}
.content-card .card-img-link{display:block;overflow:hidden;aspect-ratio:16/9;background:#EDE8E0;position:relative;}
.content-card .card-img-link img{width:100%;height:100%;object-fit:cover;transition:transform 0.35s ease;}
.content-card:hover .card-img-link img{transform:scale(1.03);}
.content-card .card-body{padding:var(--spacing-md) var(--spacing-lg) var(--spacing-lg);flex:1;display:flex;flex-direction:column;}
.content-card .card-date{font-size:12px;color:var(--text-light);letter-spacing:0.5px;margin-bottom:8px;}
.content-card h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;color:var(--text);}
.content-card h3 a{color:var(--text);transition:color var(--transition);}
.content-card h3 a:hover{color:var(--primary);}
.content-card .card-excerpt{font-size:14px;color:var(--text-light);line-height:1.8;flex:1;margin-bottom:12px;}
.content-card .card-tag{display:inline-block;font-size:12px;color:var(--primary);font-weight:500;border-top:1px solid #f0ece6;padding-top:10px;}
.btn-more-wrap{text-align:center;margin:var(--spacing-lg) 0 var(--spacing-xl);}
.btn-outline-primary-custom{display:inline-block;padding:10px 28px;font-size:15px;font-weight:600;color:var(--primary);border:1px solid var(--primary);border-radius:var(--radius-btn);background:transparent;cursor:pointer;transition:all var(--transition);}
.btn-outline-primary-custom:hover{background:var(--primary);color:#fff;}
.section-divider{display:flex;align-items:center;gap:var(--spacing-md);margin:var(--spacing-xl) 0 var(--spacing-lg);}
.section-divider .divider-line{flex:1;height:1px;background:linear-gradient(to right,var(--gold),rgba(184,145,58,0.2));}
.section-divider h2{font-size:20px;font-weight:700;color:var(--secondary);margin:0;white-space:nowrap;letter-spacing:0.5px;}
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-md);margin-bottom:var(--spacing-xl);}
.hot-card{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow var(--transition),border-color var(--transition);}
.hot-card:hover{box-shadow:var(--shadow-hover);border-color:var(--border-hover);}
.hot-card .hot-img{aspect-ratio:16/10;overflow:hidden;background:#EDE8E0;}
.hot-card .hot-img img{width:100%;height:100%;object-fit:cover;}
.hot-card .hot-body{padding:var(--spacing-md);}
.hot-card .hot-body h4{font-size:14px;font-weight:600;line-height:1.5;margin-bottom:6px;color:var(--text);}
.hot-card .hot-body h4 a{color:var(--text);transition:color var(--transition);}
.hot-card .hot-body h4 a:hover{color:var(--primary);}
.hot-card .hot-body .hot-date{font-size:12px;color:var(--text-light);}
.related-section{padding:var(--spacing-xl) 0 var(--spacing-lg);background:#fff;border-top:1px solid #EDE8E0;border-bottom:1px solid #EDE8E0;}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-md);margin-top:var(--spacing-md);}
.related-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:var(--spacing-lg);text-align:center;transition:all var(--transition);}
.related-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.related-card .related-icon{font-size:28px;margin-bottom:10px;}
.related-card h3{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--text);}
.related-card p{font-size:13px;color:var(--text-light);margin-bottom:12px;line-height:1.6;}
.related-card .related-link{font-size:13px;font-weight:600;color:var(--primary);}
.subscribe-bar{background:var(--primary);padding:var(--spacing-lg) 0;margin:var(--spacing-xl) 0;}
.subscribe-bar .subscribe-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-lg);flex-wrap:wrap;}
.subscribe-bar .subscribe-text{color:#fff;font-size:16px;font-weight:600;letter-spacing:0.3px;}
.subscribe-bar .subscribe-text span{color:#FFD6DC;font-weight:400;font-size:14px;margin-left:10px;}
.subscribe-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.subscribe-form input{background:#fff;border:1px solid #fff;border-radius:var(--radius-btn);padding:10px 16px;font-size:14px;color:var(--text);min-width:240px;transition:border-color var(--transition);}
.subscribe-form input:focus{border-color:#FFD6DC;outline:none;}
.subscribe-form .btn-subscribe{background:var(--secondary);color:#fff;padding:10px 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;transition:background var(--transition);}
.subscribe-form .btn-subscribe:hover{background:#000;}
.faq-section{padding:var(--spacing-xl) 0;background:var(--bg);}
.faq-section .faq-heading{text-align:center;font-size:24px;font-weight:700;color:var(--secondary);margin-bottom:var(--spacing-xl);}
.faq-list{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:var(--spacing-md);}
.faq-item{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color var(--transition);}
.faq-item:hover{border-color:var(--border-hover);}
.faq-item .faq-question{width:100%;text-align:left;padding:var(--spacing-lg);font-size:16px;font-weight:600;color:var(--text);display:flex;justify-content:space-between;align-items:center;transition:background var(--transition);cursor:pointer;background:#fff;}
.faq-item .faq-question:hover{background:#faf7f2;}
.faq-item .faq-question .faq-icon{font-size:20px;color:var(--primary);transition:transform var(--transition);}
.faq-item .faq-question[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-item .faq-answer{padding:0 var(--spacing-lg) var(--spacing-lg);font-size:14px;color:var(--text-light);line-height:1.9;display:none;}
.faq-item .faq-answer.open{display:block;}
.site-footer{background:var(--secondary);color:#c8c4bc;padding:var(--spacing-xl) 0 var(--spacing-lg);margin-top:auto;font-size:14px;}
.site-footer .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:var(--spacing-xl);padding-bottom:var(--spacing-lg);border-bottom:1px solid rgba(255,255,255,0.08);}
.site-footer h4{color:#ffffff;font-size:16px;font-weight:600;margin-bottom:var(--spacing-md);}
.site-footer ul{list-style:none;padding:0;margin:0;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul li a{color:#c8c4bc;transition:color var(--transition);font-size:14px;}
.site-footer ul li a:hover{color:var(--primary);}
.site-footer .footer-logo{font-size:20px;font-weight:700;margin-bottom:var(--spacing-md);}
.site-footer .footer-logo .logo-red{color:var(--primary);}
.site-footer p{margin-bottom:8px;line-height:1.7;color:#c8c4bc;}
.site-footer .footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:var(--spacing-lg);flex-wrap:wrap;gap:var(--spacing-md);font-size:13px;color:#a8a49c;}
.site-footer .footer-bottom a{color:#a8a49c;transition:color var(--transition);}
.site-footer .footer-bottom a:hover{color:var(--primary);}
@media(max-width:1024px){
.card-grid{grid-template-columns:repeat(2,1fr);}
.hot-grid{grid-template-columns:repeat(2,1fr);}
.related-grid{grid-template-columns:repeat(2,1fr);}
.footer-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-xl);}
}
@media(max-width:768px){
.main-nav{display:none;}
.hamburger{display:flex;}
.header-inner{gap:var(--spacing-md);}
.card-grid{grid-template-columns:1fr;gap:var(--spacing-md);}
.hot-grid{grid-template-columns:1fr;gap:var(--spacing-md);}
.related-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-md);}
.subscribe-bar .subscribe-inner{flex-direction:column;align-items:flex-start;gap:var(--spacing-md);}
.subscribe-form{width:100%;}
.subscribe-form input{min-width:auto;flex:1;}
.category-hero h1{font-size:26px;}
.footer-grid{grid-template-columns:1fr;gap:var(--spacing-lg);}
.footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media(max-width:520px){
:root{--spacing-xl:32px;--spacing-lg:16px;}
.container{padding:0 var(--spacing-md);}
.category-hero h1{font-size:22px;}
.related-grid{grid-template-columns:1fr;}
.subscribe-form{flex-direction:column;width:100%;}
.subscribe-form input{width:100%;}
.subscribe-form .btn-subscribe{width:100%;text-align:center;}
.filter-bar{gap:6px;}
.filter-btn{padding:5px 12px;font-size:13px;}
.section-divider h2{font-size:17px;}
}

/* roulang page: category3 */
:root {
            --primary: #C8102E;
            --primary-dark: #A30D24;
            --secondary: #1A1A1A;
            --gold: #B8913A;
            --bg: #F5F2EC;
            --text: #242424;
            --text-light: #6B6B6B;
            --border: rgba(200, 16, 46, 0.10);
            --border-hover: rgba(200, 16, 46, 0.40);
            --radius: 8px;
            --radius-btn: 6px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-hover: 0 6px 20px rgba(200, 16, 46, 0.15);
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 48px;
            --spacing-2xl: 72px;
            --container: 1200px;
            --header-h: 72px;
            --font-sans: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition: 0.2s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            cursor: pointer;
        }

        input {
            cursor: text;
        }

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

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #EDE8E0;
            min-height: var(--header-h);
            display: flex;
            align-items: center;
            box-shadow: 0 1px 0 rgba(26, 26, 26, 0.03);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-lg);
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .logo .logo-dark {
            color: var(--secondary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            font-size: 15px;
            font-weight: 500;
        }

        .main-nav a {
            position: relative;
            padding: 6px 0;
            color: var(--text);
            white-space: nowrap;
            transition: color var(--transition);
        }

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

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            width: 44px;
            height: 44px;
            justify-content: center;
            align-items: center;
            border-radius: var(--radius-btn);
            background: transparent;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

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

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

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-h));
            background: #ffffff;
            z-index: 99;
            flex-direction: column;
            padding: var(--spacing-xl) var(--spacing-lg);
            gap: var(--spacing-lg);
            overflow-y: auto;
            border-top: 1px solid #EDE8E0;
        }

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

        .mobile-menu a {
            font-size: 18px;
            font-weight: 500;
            padding: 12px 0;
            border-bottom: 1px solid #f0ece6;
            color: var(--text);
        }

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

        /* Breadcrumb */
        .breadcrumb-wrapper {
            padding: var(--spacing-md) 0;
            font-size: 14px;
            color: var(--text-light);
        }

        .breadcrumb-wrapper ol {
            list-style: none;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            margin: 0;
            padding: 0;
        }

        .breadcrumb-wrapper li {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .breadcrumb-wrapper li+li::before {
            content: '>';
            margin: 0 6px;
            color: #c8c4bc;
        }

        .breadcrumb-wrapper a {
            color: var(--text-light);
            transition: color var(--transition);
        }

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

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

        /* Page header section */
        .page-head-section {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: #ffffff;
            border-bottom: 1px solid #EDE8E0;
        }

        .page-head-section h1 {
            font-size: 34px;
            font-weight: 800;
            color: var(--secondary);
            margin: 0 0 var(--spacing-md);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .page-head-section .page-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 800px;
            margin: 0;
            line-height: 1.9;
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding: var(--spacing-md) 0;
            flex-wrap: wrap;
        }

        .filter-bar .filter-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        .filter-btn {
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            border: 1px solid var(--border);
            background: #ffffff;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--border-hover);
            color: var(--primary);
        }

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

        /* Card grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
            padding: var(--spacing-lg) 0;
        }

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

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

        .content-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: #e8e4de;
        }

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

        .content-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(200, 16, 46, 0.08);
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: var(--spacing-sm);
            align-self: flex-start;
        }

        .content-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.45;
            margin: 0 0 var(--spacing-sm);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card .card-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0 0 var(--spacing-md);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card .card-meta {
            font-size: 13px;
            color: #b0aca4;
            margin-top: auto;
            padding-top: var(--spacing-sm);
            border-top: 1px solid #f0ece6;
        }

        /* Divider section */
        .section-divider {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
        }

        .section-divider .divider-line {
            flex: 1;
            height: 1px;
            background: linear-gradient(to right, var(--gold), rgba(184, 145, 58, 0.15));
        }

        .section-divider .divider-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--secondary);
            white-space: nowrap;
        }

        /* Hot articles */
        .hot-articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
            padding: var(--spacing-md) 0 var(--spacing-xl);
        }

        .hot-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            display: flex;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            align-items: center;
        }

        .hot-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .hot-card .hot-img {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-btn);
            object-fit: cover;
            flex-shrink: 0;
            background: #e8e4de;
        }

        .hot-card .hot-info {
            flex: 1;
            min-width: 0;
        }

        .hot-card .hot-rank {
            font-size: 12px;
            font-weight: 700;
            color: var(--gold);
            display: block;
            margin-bottom: 2px;
        }

        .hot-card .hot-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--secondary);
            line-height: 1.4;
            margin: 0 0 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-card .hot-meta {
            font-size: 12px;
            color: #b0aca4;
        }

        /* Related categories */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            padding: var(--spacing-md) 0 var(--spacing-xl);
        }

        .related-cat-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: block;
        }

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

        .related-cat-card .cat-icon {
            font-size: 32px;
            margin-bottom: var(--spacing-sm);
            display: block;
        }

        .related-cat-card .cat-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--secondary);
            display: block;
            margin-bottom: 6px;
        }

        .related-cat-card .cat-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            display: block;
        }

        /* CTA strip */
        .cta-strip {
            background: var(--primary);
            padding: var(--spacing-lg) var(--spacing-xl);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            margin: var(--spacing-md) 0 var(--spacing-xl);
        }

        .cta-strip .cta-text {
            color: #ffffff;
            font-size: 18px;
            font-weight: 600;
        }

        .cta-strip .cta-text span {
            display: block;
            font-size: 14px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 4px;
        }

        .cta-strip .cta-form {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
            flex-wrap: wrap;
        }

        .cta-strip .cta-form input {
            padding: 10px 16px;
            border-radius: var(--radius-btn);
            background: #ffffff;
            color: var(--text);
            font-size: 14px;
            border: 1px solid transparent;
            min-width: 260px;
        }

        .cta-strip .cta-form input::placeholder {
            color: #b0aca4;
        }

        .cta-strip .cta-form input:focus {
            border-color: var(--gold);
            outline: 2px solid rgba(184, 145, 58, 0.3);
        }

        .cta-strip .cta-form button {
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            background: var(--secondary);
            color: #ffffff;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .cta-strip .cta-form button:hover {
            background: #3a3a3a;
        }

        /* FAQ section */
        .faq-section {
            padding: var(--spacing-xl) 0;
            background: #ffffff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            margin-bottom: var(--spacing-xl);
            border: 1px solid var(--border);
        }

        .faq-section .faq-inner {
            padding: var(--spacing-xl);
        }

        .faq-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 var(--spacing-lg);
        }

        .faq-item {
            border-bottom: 1px solid #f0ece6;
            padding: var(--spacing-md) 0;
        }

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

        .faq-item .faq-question {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 var(--spacing-sm);
            cursor: pointer;
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
        }

        .faq-item .faq-question .faq-icon {
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-item .faq-answer {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin: 0;
            padding-left: 24px;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.8;
            margin: 0 0 var(--spacing-sm);
            color: rgba(255, 255, 255, 0.7);
        }

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

        .footer-col ul li {
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color var(--transition);
        }

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

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.5px;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: var(--spacing-lg);
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }

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

        .footer-bottom a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-left: var(--spacing-md);
            transition: color var(--transition);
        }

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

        /* Load more button */
        .load-more-wrapper {
            text-align: center;
            padding: var(--spacing-md) 0 var(--spacing-xl);
        }

        .btn-load-more {
            display: inline-block;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            background: #ffffff;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid var(--border-hover);
            transition: all var(--transition);
        }

        .btn-load-more:hover {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }

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

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .page-head-section h1 {
                font-size: 26px;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .hot-articles-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .cta-strip {
                padding: var(--spacing-lg);
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-strip .cta-form input {
                min-width: 100%;
            }
            .content-card .card-img {
                height: 180px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .page-head-section h1 {
                font-size: 22px;
            }
            .filter-bar {
                gap: var(--spacing-sm);
            }
            .filter-btn {
                padding: 6px 14px;
                font-size: 13px;
            }
            .hot-card .hot-img {
                width: 60px;
                height: 60px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom a {
                margin-left: 0;
                margin-right: var(--spacing-md);
            }
        }

/* roulang page: category4 */
:root {
            --primary: #C8102E;
            --primary-dark: #A30D24;
            --secondary: #1A1A1A;
            --gold: #B8913A;
            --bg: #F5F2EC;
            --text: #242424;
            --text-light: #6B6B6B;
            --border: rgba(200, 16, 46, 0.10);
            --border-hover: rgba(200, 16, 46, 0.40);
            --radius: 8px;
            --radius-btn: 6px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-hover: 0 6px 20px rgba(200, 16, 46, 0.15);
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 48px;
            --spacing-2xl: 72px;
            --container: 1200px;
            --header-h: 72px;
            --font-sans: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
        }

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            cursor: pointer;
        }

        input {
            cursor: text;
        }

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

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #EDE8E0;
            min-height: var(--header-h);
            display: flex;
            align-items: center;
            box-shadow: 0 1px 0 rgba(26, 26, 26, 0.03);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-lg);
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .logo .logo-dark {
            color: var(--secondary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            font-size: 15px;
            font-weight: 500;
        }

        .main-nav a {
            position: relative;
            padding: 6px 0;
            color: var(--text);
            white-space: nowrap;
            transition: color var(--transition);
        }

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

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            width: 44px;
            height: 44px;
            justify-content: center;
            align-items: center;
            border-radius: var(--radius-btn);
            background: transparent;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

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

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

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-h));
            background: #ffffff;
            z-index: 99;
            flex-direction: column;
            padding: var(--spacing-xl) var(--spacing-lg);
            gap: var(--spacing-lg);
            overflow-y: auto;
            border-top: 1px solid #EDE8E0;
        }

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

        .mobile-menu a {
            font-size: 18px;
            font-weight: 500;
            padding: 12px 0;
            border-bottom: 1px solid #f0ece6;
            color: var(--text);
        }

        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }
        /* Main */
        main {
            flex: 1;
            padding-bottom: var(--spacing-2xl);
        }

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

        /* Breadcrumb */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            padding: var(--spacing-lg) 0 var(--spacing-sm);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-sep {
            color: #B8B2A8;
            user-select: none;
        }

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

        /* Category header */
        .category-header {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            border-bottom: 1px solid #EDE8E0;
            margin-bottom: var(--spacing-xl);
        }

        .category-header h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-md);
            line-height: 1.3;
        }

        .category-header .category-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 860px;
            line-height: 1.9;
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            padding: var(--spacing-md) 0;
            margin-bottom: var(--spacing-lg);
            border-bottom: 1px solid #EDE8E0;
        }

        .filter-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
            margin-right: 4px;
        }

        .filter-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            background: #ffffff;
            border: 1px solid #EDE8E0;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-btn:hover {
            color: var(--primary);
            border-color: var(--border-hover);
        }

        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

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

        .equip-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

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

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

        .equip-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(200, 16, 46, 0.06);
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: var(--spacing-sm);
            align-self: flex-start;
        }

        .equip-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: var(--spacing-sm);
            transition: color var(--transition);
        }

        .equip-card .card-title a:hover {
            color: var(--primary);
        }

        .equip-card .card-summary {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: var(--spacing-sm);
        }

        .equip-card .card-meta {
            font-size: 13px;
            color: #B8B2A8;
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding-top: var(--spacing-sm);
            border-top: 1px solid #f5f1eb;
        }

        .equip-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Section divider */
        .section-divider {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            margin: var(--spacing-xl) 0 var(--spacing-lg);
        }

        .section-divider .divider-line {
            flex: 1;
            height: 1px;
            background: linear-gradient(to right, rgba(184, 145, 58, 0.6), rgba(184, 145, 58, 0.15));
        }

        .section-divider .divider-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary);
            white-space: nowrap;
            letter-spacing: 1px;
        }

        .section-divider .divider-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            flex-shrink: 0;
        }

        /* Hot articles */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .hot-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

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

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

        .hot-card .hot-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: var(--spacing-sm);
            transition: color var(--transition);
        }

        .hot-card .hot-title a:hover {
            color: var(--primary);
        }

        .hot-card .hot-meta {
            font-size: 12px;
            color: #B8B2A8;
        }

        /* Related categories */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .related-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .related-card .related-icon {
            font-size: 28px;
            display: block;
            margin-bottom: var(--spacing-sm);
            color: var(--primary);
        }

        .related-card .related-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .related-card .related-sub {
            font-size: 13px;
            color: var(--text-light);
        }

        /* Subscribe CTA */
        .subscribe-strip {
            background: var(--primary);
            border-radius: var(--radius);
            padding: var(--spacing-lg) var(--spacing-xl);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            margin-top: var(--spacing-xl);
        }

        .subscribe-strip .subscribe-text {
            color: #fff;
            font-size: 17px;
            font-weight: 600;
            flex: 1;
            min-width: 200px;
        }

        .subscribe-strip .subscribe-text small {
            display: block;
            font-size: 13px;
            font-weight: 400;
            opacity: 0.85;
            margin-top: 2px;
        }

        .subscribe-form {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
            flex-shrink: 0;
        }

        .subscribe-form input[type="email"] {
            width: 260px;
            height: 44px;
            padding: 0 var(--spacing-md);
            font-size: 14px;
            color: var(--text);
            background: #fff;
            border: 2px solid #fff;
            border-radius: var(--radius-btn);
            transition: border-color var(--transition);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--gold);
        }

        .subscribe-form button {
            height: 44px;
            padding: 0 var(--spacing-lg);
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--secondary);
            border-radius: var(--radius-btn);
            transition: background-color var(--transition);
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: #333333;
        }

        /* FAQ */
        .faq-section {
            margin-top: var(--spacing-xl);
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: var(--spacing-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .faq-item .faq-question {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
        }

        .faq-item .faq-question::before {
            content: 'Q';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            border-radius: 4px;
            flex-shrink: 0;
        }

        .faq-item .faq-answer {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            padding-left: 32px;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: #c8c4bc;
            padding: var(--spacing-xl) 0 0;
            margin-top: auto;
        }

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

        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-md);
        }

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

        .footer-col p {
            font-size: 14px;
            line-height: 1.8;
            color: #a8a39a;
            margin-bottom: var(--spacing-sm);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-md);
        }

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

        .footer-col ul li {
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #a8a39a;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid #2e2e2e;
            padding: var(--spacing-lg) 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            font-size: 13px;
            color: #8a8680;
        }

        .footer-bottom a {
            color: #8a8680;
            margin-left: var(--spacing-md);
            transition: color var(--transition);
        }

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

        /* Button common */
        .btn-outline-red {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 24px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            background: #fff;
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-outline-red:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn-solid-red {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border-radius: var(--radius-btn);
            transition: background-color var(--transition);
            white-space: nowrap;
        }

        .btn-solid-red:hover {
            background: var(--primary-dark);
        }

        /* Load more */
        .load-more-wrap {
            text-align: center;
            margin-top: var(--spacing-xl);
        }

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

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .category-header h1 {
                font-size: 1.7rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .subscribe-strip {
                padding: var(--spacing-lg);
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                width: 100%;
                flex-direction: column;
            }
            .subscribe-form input[type="email"] {
                width: 100%;
            }
            .subscribe-form button {
                width: 100%;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-btn {
                padding: 5px 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-md);
            }
            .category-header h1 {
                font-size: 1.4rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .equip-card .card-img {
                height: 160px;
            }
            .hot-card .hot-img {
                height: 120px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }
            .footer-bottom a {
                margin-left: 0;
                margin-right: var(--spacing-md);
            }
        }

/* roulang page: category5 */
:root {
            --primary: #C8102E;
            --primary-dark: #A30D24;
            --secondary: #1A1A1A;
            --gold: #B8913A;
            --bg: #F5F2EC;
            --text: #242424;
            --text-light: #6B6B6B;
            --border: rgba(200, 16, 46, 0.10);
            --border-hover: rgba(200, 16, 46, 0.40);
            --radius: 8px;
            --radius-btn: 6px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-hover: 0 6px 20px rgba(200, 16, 46, 0.15);
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 48px;
            --spacing-2xl: 72px;
            --container: 1200px;
            --header-h: 72px;
            --font-sans: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            cursor: pointer;
        }

        input {
            cursor: text;
        }

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

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #EDE8E0;
            min-height: var(--header-h);
            display: flex;
            align-items: center;
            box-shadow: 0 1px 0 rgba(26, 26, 26, 0.03);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-lg);
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .logo .logo-dark {
            color: var(--secondary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            font-size: 15px;
            font-weight: 500;
        }

        .main-nav a {
            position: relative;
            padding: 6px 0;
            color: var(--text);
            white-space: nowrap;
            transition: color var(--transition);
        }

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

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            width: 44px;
            height: 44px;
            justify-content: center;
            align-items: center;
            border-radius: var(--radius-btn);
            background: transparent;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

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

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

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-h));
            background: #ffffff;
            z-index: 99;
            flex-direction: column;
            padding: var(--spacing-xl) var(--spacing-lg);
            gap: var(--spacing-lg);
            overflow-y: auto;
            border-top: 1px solid #EDE8E0;
        }

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

        .mobile-menu a {
            font-size: 18px;
            font-weight: 500;
            padding: 12px 0;
            border-bottom: 1px solid #f0ece6;
            color: var(--text);
        }

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

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

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

        .section-alt {
            background: #ffffff;
        }

        .section-dark {
            background: var(--secondary);
            color: #f5f2ec;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: transparent;
            padding: var(--spacing-lg) 0 var(--spacing-sm);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--text-light);
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

        .breadcrumb li+li::before {
            content: '›';
            color: var(--text-light);
            margin: 0 4px;
        }

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

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

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

        /* Category Header */
        .category-header {
            padding: var(--spacing-md) 0 var(--spacing-lg);
            border-bottom: 1px solid var(--border);
            margin-bottom: var(--spacing-lg);
        }

        .category-header h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: var(--spacing-md);
            color: var(--secondary);
        }

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

        .category-desc {
            font-size: 15px;
            color: var(--text-light);
            max-width: 760px;
            line-height: 1.9;
            margin-bottom: var(--spacing-md);
        }

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

        .category-meta .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 14px;
            font-size: 12px;
            color: var(--text);
        }

        .category-meta .meta-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            flex-shrink: 0;
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            padding: var(--spacing-md) 0;
            margin-bottom: var(--spacing-lg);
        }

        .filter-bar .filter-label {
            font-size: 13px;
            color: var(--text-light);
            margin-right: var(--spacing-sm);
            font-weight: 500;
        }

        .filter-btn {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            background: #ffffff;
            color: var(--text);
            border: 1px solid var(--border);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--border-hover);
            color: var(--primary);
        }

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

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

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

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

        .data-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .data-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #e8e3db;
        }

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

        .data-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: rgba(200, 16, 46, 0.06);
            border-radius: 4px;
            padding: 3px 10px;
            margin-bottom: var(--spacing-sm);
            align-self: flex-start;
        }

        .data-card .card-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: var(--spacing-sm);
            color: var(--secondary);
        }

        .data-card .card-title a:hover {
            color: var(--primary);
        }

        .data-card .card-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .data-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 12px;
            color: var(--text-light);
            padding-top: var(--spacing-sm);
            border-top: 1px solid #f0ece6;
        }

        .data-card .card-footer .date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .data-card .card-footer .read-more {
            color: var(--primary);
            font-weight: 500;
            white-space: nowrap;
        }

        .data-card .card-footer .read-more:hover {
            color: var(--primary-dark);
        }

        /* Section Divider */
        .section-divider {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-sm);
            border-bottom: 1px solid var(--gold);
        }

        .section-divider .divider-line {
            width: 4px;
            height: 22px;
            background: var(--primary);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .section-divider h2 {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary);
            margin: 0;
        }

        .section-divider .divider-note {
            font-size: 13px;
            color: var(--text-light);
            margin-left: auto;
        }

        /* Hot Articles Horizontal */
        .hot-articles {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .hot-card {
            display: flex;
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .hot-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .hot-card .hot-img {
            width: 160px;
            min-height: 100%;
            object-fit: cover;
            background: #e8e3db;
            flex-shrink: 0;
        }

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

        .hot-card .hot-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--gold);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .hot-card .hot-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--secondary);
        }

        .hot-card .hot-meta {
            font-size: 12px;
            color: var(--text-light);
        }

        /* Related Categories */
        .related-cats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .rel-cat-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-lg);
            text-align: center;
            transition: all var(--transition);
        }

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

        .rel-cat-card .cat-icon {
            font-size: 28px;
            margin-bottom: var(--spacing-sm);
            display: block;
        }

        .rel-cat-card .cat-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: var(--spacing-sm);
        }

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

        /* Subscribe CTA */
        .subscribe-bar {
            background: var(--primary);
            border-radius: var(--radius);
            padding: var(--spacing-lg) var(--spacing-xl);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .subscribe-bar .subscribe-text {
            color: #ffffff;
        }

        .subscribe-bar .subscribe-text h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
            color: #ffffff;
        }

        .subscribe-bar .subscribe-text p {
            font-size: 13px;
            margin: 0;
            opacity: 0.9;
            color: #ffffff;
        }

        .subscribe-form {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            background: #ffffff;
            border-radius: var(--radius-btn);
            padding: 4px;
            min-width: 320px;
        }

        .subscribe-form input {
            flex: 1;
            padding: 10px 16px;
            border-radius: 4px;
            font-size: 14px;
            color: var(--text);
            background: transparent;
            border: none;
            outline: none;
        }

        .subscribe-form input::placeholder {
            color: #a0a0a0;
        }

        .subscribe-form button {
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: 4px;
            white-space: nowrap;
            transition: background var(--transition);
        }

        .subscribe-form button:hover {
            background: var(--primary-dark);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            transition: all var(--transition);
        }

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

        .faq-item .faq-question {
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
        }

        .faq-item .faq-question .faq-icon {
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-item .faq-answer {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            padding-left: 28px;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: #c8c4bc;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: auto;
        }

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

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: var(--spacing-md);
        }

        .footer-col p {
            font-size: 13px;
            line-height: 1.8;
            color: #c8c4bc;
            margin-bottom: var(--spacing-sm);
        }

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

        .footer-col ul li {
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul li a {
            font-size: 13px;
            color: #c8c4bc;
            transition: color var(--transition);
        }

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

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: #ffffff;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            font-size: 12px;
        }

        .footer-bottom span {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .footer-bottom a {
            color: #c8c4bc;
            font-size: 12px;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-cats {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }
            .hot-articles {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .related-cats {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-sm);
            }
            .footer-bottom span {
                flex-wrap: wrap;
                justify-content: center;
            }
            .subscribe-bar {
                flex-direction: column;
                text-align: center;
                padding: var(--spacing-lg);
            }
            .subscribe-form {
                min-width: 100%;
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
            }
            .subscribe-form button {
                width: 100%;
            }
            .hot-card {
                flex-direction: column;
            }
            .hot-card .hot-img {
                width: 100%;
                min-height: 160px;
                aspect-ratio: 16/9;
            }
            .section-divider {
                flex-wrap: wrap;
            }
            .section-divider .divider-note {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-md);
            }
            section {
                padding: var(--spacing-lg) 0;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .category-desc {
                font-size: 14px;
            }
            .filter-btn {
                padding: 6px 14px;
                font-size: 12px;
            }
            .data-card .card-body {
                padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            }
            .data-card .card-title {
                font-size: 15px;
            }
            .data-card .card-desc {
                font-size: 12px;
            }
            .section-divider h2 {
                font-size: 17px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #C8102E;
            --primary-dark: #A30D24;
            --secondary: #1A1A1A;
            --gold: #B8913A;
            --bg: #F5F2EC;
            --text: #242424;
            --text-light: #6B6B6B;
            --border: rgba(200, 16, 46, 0.10);
            --border-hover: rgba(200, 16, 46, 0.40);
            --radius: 8px;
            --radius-btn: 6px;
            --shadow-sm: 0 2px 12px rgba(26, 26, 26, 0.06);
            --shadow-hover: 0 6px 20px rgba(200, 16, 46, 0.15);
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 48px;
            --spacing-2xl: 72px;
            --container: 1200px;
            --header-h: 72px;
            --font-sans: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition: 0.2s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            cursor: pointer;
        }

        input {
            cursor: text;
        }

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

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #EDE8E0;
            min-height: var(--header-h);
            display: flex;
            align-items: center;
            box-shadow: 0 1px 0 rgba(26, 26, 26, 0.03);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: var(--spacing-lg);
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .logo .logo-dark {
            color: var(--secondary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            font-size: 15px;
            font-weight: 500;
        }

        .main-nav a {
            position: relative;
            padding: 6px 0;
            color: var(--text);
            white-space: nowrap;
            transition: color var(--transition);
        }

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

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            width: 44px;
            height: 44px;
            justify-content: center;
            align-items: center;
            border-radius: var(--radius-btn);
            background: transparent;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

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

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

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-h));
            background: #ffffff;
            z-index: 99;
            flex-direction: column;
            padding: var(--spacing-xl) var(--spacing-lg);
            gap: var(--spacing-lg);
            overflow-y: auto;
            border-top: 1px solid #EDE8E0;
        }

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

        .mobile-menu a {
            font-size: 18px;
            font-weight: 500;
            padding: 12px 0;
            border-bottom: 1px solid #f0ece6;
            color: var(--text);
        }

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

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

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

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: var(--spacing-md) 0 0;
            font-size: 14px;
            color: var(--text-light);
        }

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

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

        .breadcrumb-wrap .separator {
            margin: 0 8px;
            color: #c8c4bc;
        }

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

        /* Category Header */
        .category-header {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
        }

        .category-header h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: var(--spacing-md);
            color: var(--secondary);
        }

        .category-header .category-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 900px;
            line-height: 1.9;
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            padding: var(--spacing-md) 0;
            border-bottom: 1px solid #EDE8E0;
            margin-bottom: var(--spacing-xl);
        }

        .filter-bar .filter-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        .filter-bar .filter-btn {
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            background: #ffffff;
            border: 1px solid #EDE8E0;
            transition: all var(--transition);
            cursor: pointer;
        }

        .filter-bar .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-bar .filter-btn.active {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

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

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

        .content-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #f0ece6;
        }

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

        .content-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(200, 16, 46, 0.08);
            padding: 4px 10px;
            border-radius: 20px;
            margin-bottom: var(--spacing-md);
            align-self: flex-start;
        }

        .content-card .card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--secondary);
            margin-bottom: var(--spacing-sm);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card .card-title a {
            color: inherit;
        }

        .content-card .card-title a:hover {
            color: var(--primary);
        }

        .content-card .card-excerpt {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card .card-meta {
            font-size: 13px;
            color: #aaa6a0;
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .content-card .card-meta .meta-dot {
            width: 4px;
            height: 4px;
            background: #c8c4bc;
            border-radius: 50%;
        }

        /* Section Divider */
        .section-divider {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            margin: var(--spacing-xl) 0 var(--spacing-lg);
        }

        .section-divider .gold-line {
            flex: 1;
            height: 1px;
            background: linear-gradient(to right, var(--gold), rgba(184, 145, 58, 0.15));
        }

        .section-divider .divider-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--secondary);
            white-space: nowrap;
        }

        /* Hot Articles */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .hot-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-lg);
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .hot-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .hot-card .hot-rank {
            font-size: 28px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1;
            margin-bottom: var(--spacing-md);
        }

        .hot-card .hot-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.6;
            color: var(--secondary);
            margin-bottom: var(--spacing-sm);
        }

        .hot-card .hot-title a {
            color: inherit;
        }

        .hot-card .hot-title a:hover {
            color: var(--primary);
        }

        .hot-card .hot-meta {
            font-size: 13px;
            color: #aaa6a0;
        }

        /* Related Categories */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .related-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            text-align: center;
            padding: var(--spacing-lg);
            transition: box-shadow var(--transition), border-color var(--transition);
            display: block;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .related-card .related-icon {
            font-size: 28px;
            margin-bottom: var(--spacing-sm);
            display: block;
        }

        .related-card .related-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
        }

        .related-card .related-hint {
            font-size: 13px;
            color: var(--text-light);
        }

        /* CTA Strip */
        .cta-strip {
            background: var(--primary);
            border-radius: var(--radius);
            padding: var(--spacing-lg) var(--spacing-xl);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            margin: 0;
        }

        .cta-strip .cta-text {
            font-size: 16px;
            font-weight: 600;
            color: #ffffff;
        }

        .cta-strip .cta-form {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .cta-strip .cta-input {
            padding: 10px 16px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            background: #ffffff;
            color: var(--text);
            border: 1px solid transparent;
            width: 240px;
            max-width: 100%;
        }

        .cta-strip .cta-input::placeholder {
            color: #aaa6a0;
        }

        .cta-strip .cta-input:focus {
            outline: 2px solid #ffffff;
            outline-offset: 2px;
        }

        .cta-strip .cta-btn {
            padding: 10px 24px;
            background: var(--secondary);
            color: #ffffff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition);
        }

        .cta-strip .cta-btn:hover {
            background: #333333;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            max-width: 800px;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            transition: border-color var(--transition);
        }

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

        .faq-item .faq-question {
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .faq-item .faq-question .faq-q-mark {
            color: var(--primary);
            font-weight: 700;
        }

        .faq-item .faq-answer {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: #c8c4bc;
            padding: var(--spacing-xl) 0 0;
            margin-top: var(--spacing-2xl);
            font-size: 14px;
        }

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

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

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
        }

        .footer-col p {
            margin-bottom: 0;
            line-height: 1.7;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .footer-col ul li a {
            color: #c8c4bc;
            font-size: 14px;
        }

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

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: var(--spacing-md) 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: #8a8680;
        }

        .footer-bottom a {
            color: #8a8680;
            margin-left: var(--spacing-md);
        }

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

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

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .category-header h1 {
                font-size: 26px;
            }
            .cta-strip .cta-input {
                width: 100%;
            }
            .cta-strip .cta-form {
                flex-direction: column;
                width: 100%;
            }
            .cta-strip .cta-btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .filter-bar .filter-btn {
                padding: 6px 14px;
                font-size: 13px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom a {
                margin: 0 var(--spacing-sm);
            }
        }

.btn:hover { background: var(--primary-dark) !important; color: #ffffff !important; }

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