/* roulang page: index */
/* ==================== 设计变量 ==================== */
        :root {
            --primary: #2B2724;
            --secondary: #C07A3F;
            --secondary-hover: #A96832;
            --bg: #F6F2EB;
            --surface: #FFFEFB;
            --accent: #3E5A4B;
            --text-primary: #211D18;
            --text-secondary: #5C544A;
            --text-muted: #8A7F72;
            --border: #E5DDD0;
            --dark-bg-start: #26221E;
            --dark-bg-end: #3A332B;
            --warning-bg: #F5EBDC;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 20px;
            --shadow-card: 0 2px 8px rgba(43,39,36,0.06);
            --shadow-card-hover: 0 8px 20px rgba(43,39,36,0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --transition: 0.2s ease;
            --section-padding: 64px;
            --container-max: 1200px;
        }

        /* ==================== 基础 Reset ==================== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

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

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

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

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

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

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

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
        }

        h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 900;
        }

        h2 {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 800;
        }

        h3 {
            font-size: clamp(18px, 2.2vw, 24px);
            font-weight: 700;
        }

        /* ==================== 容器 ==================== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ==================== 按钮 ==================== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            line-height: 1.4;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--secondary);
            color: var(--surface);
            border-color: var(--secondary);
        }

        .btn-primary:hover {
            background: var(--secondary-hover);
            border-color: var(--secondary-hover);
            color: var(--surface);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(192,122,63,0.35);
        }

        .btn-primary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 4px rgba(192,122,63,0.25);
        }

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

        .btn-secondary:hover {
            background: var(--primary);
            color: var(--surface);
            transform: translateY(-1px);
        }

        .btn-secondary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        .btn-dark-surface:hover {
            background: var(--bg);
            border-color: var(--bg);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--surface);
            border-color: rgba(255,255,255,0.4);
        }

        .btn-outline-light:hover {
            background: rgba(255,255,255,0.12);
            border-color: var(--surface);
            color: var(--surface);
        }

        .btn-large {
            padding: 16px 36px;
            font-size: 17px;
        }

        .btn-small {
            padding: 8px 18px;
            font-size: 13px;
        }

        /* ==================== 导航 ==================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            gap: 12px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-primary);
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--surface);
            font-size: 20px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 6px 2px;
            text-decoration: none;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
        }

        .nav-link:hover {
            color: var(--text-primary);
            border-bottom-color: var(--secondary);
        }

        .nav-link.active {
            color: var(--text-primary);
            border-bottom-color: var(--secondary);
        }

        .nav-cta {
            background: var(--secondary);
            color: var(--surface);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 700;
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--secondary-hover);
            color: var(--surface);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(192,122,63,0.3);
        }

        .nav-cta i {
            font-size: 13px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            border-radius: 4px;
            transition: background var(--transition);
        }

        .hamburger:hover {
            background: var(--bg);
        }

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

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

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

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

        .mobile-nav {
            display: none;
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 16px 24px;
        }

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

        .mobile-nav .nav-list {
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
        }

        .mobile-nav .nav-cta {
            margin-top: 8px;
            display: inline-flex;
        }

        /* ==================== Hero ==================== */
        .hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--dark-bg-start) 0%, var(--dark-bg-end) 100%);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/2a320afadc8a27a6.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(38,34,30,0.92) 0%, rgba(58,51,43,0.78) 100%);
            z-index: 2;
        }

        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(192,122,63,0.28) 0%, transparent 70%);
            top: -150px;
            right: -100px;
            z-index: 2;
            pointer-events: none;
        }

        .hero-glow-2 {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(62,90,75,0.22) 0%, transparent 70%);
            bottom: -100px;
            left: -80px;
            z-index: 2;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 3;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 80px 24px;
            width: 100%;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,0.12);
            color: #F5EBDC;
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-badge i {
            color: var(--secondary);
            font-size: 12px;
        }

        .hero-title {
            color: var(--surface);
            font-size: clamp(30px, 4.5vw, 48px);
            font-weight: 900;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            color: var(--secondary);
        }

        .hero-subtitle {
            color: rgba(255,255,255,0.85);
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.15);
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--surface);
            display: block;
            line-height: 1.2;
        }

        .hero-stat-num span {
            color: var(--secondary);
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.65);
            margin-top: 4px;
            display: block;
        }

        .hero-play-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(255,255,255,0.15);
            border: 2px solid rgba(255,255,255,0.5);
            color: var(--surface);
            font-size: 24px;
            transition: all var(--transition);
            cursor: pointer;
            margin-bottom: 20px;
            text-decoration: none;
        }

        .hero-play-btn:hover {
            background: var(--secondary);
            border-color: var(--secondary);
            color: var(--surface);
            transform: scale(1.08);
            box-shadow: 0 8px 24px rgba(192,122,63,0.45);
        }

        /* ==================== 板块通用 ==================== */
        .section {
            padding: var(--section-padding) 0;
        }

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

        .section-dark {
            background: linear-gradient(135deg, var(--dark-bg-start), var(--dark-bg-end));
            color: var(--surface);
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 40px;
        }

        .section-head.left {
            text-align: left;
            margin-left: 0;
        }

        .section-title {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

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

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .section-dark .section-subtitle {
            color: rgba(255,255,255,0.75);
        }

        /* ==================== 卡片 ==================== */
        .card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(192,122,63,0.3);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            background: rgba(192,122,63,0.1);
            color: var(--secondary);
        }

        .card-icon.green {
            background: rgba(62,90,75,0.12);
            color: var(--accent);
        }

        .card-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ==================== 设备覆盖板块 ==================== */
        .device-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 24px;
        }

        .device-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

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

        .device-icon {
            font-size: 40px;
            color: var(--secondary);
            margin-bottom: 12px;
            display: block;
        }

        .device-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .device-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ==================== 场景卡 ==================== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

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

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

        .scenario-body {
            padding: 18px;
        }

        .scenario-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .scenario-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ==================== 特色能力 ==================== */
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px;
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .feature-item:hover {
            border-color: rgba(192,122,63,0.3);
            box-shadow: var(--shadow-card);
        }

        .feature-item .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: rgba(192,122,63,0.1);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .feature-item .feature-text h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .feature-item .feature-text p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ==================== 数据指标 ==================== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

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

        .stat-number {
            font-size: 36px;
            font-weight: 900;
            color: var(--text-primary);
            display: block;
            line-height: 1.2;
        }

        .stat-number .highlight {
            color: var(--secondary);
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
            display: block;
        }

        /* ==================== 优惠券墙 ==================== */
        .coupon-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .coupon-card {
            background: var(--surface);
            border: 2px dashed var(--secondary);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            position: relative;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }

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

        .coupon-amount {
            font-size: 42px;
            font-weight: 900;
            color: var(--secondary);
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .coupon-amount span {
            font-size: 20px;
            font-weight: 700;
        }

        .coupon-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .coupon-condition {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }

        .coupon-validity {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .coupon-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            background: var(--accent);
            color: var(--surface);
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition);
            text-decoration: none;
        }

        .coupon-btn:hover {
            background: #2F4A3C;
            color: var(--surface);
            transform: translateY(-1px);
        }

        /* ==================== 保障图标条 ==================== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        .guarantee-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(62,90,75,0.1);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .guarantee-text h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .guarantee-text p {
            font-size: 12px;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ==================== 用户案例 ==================== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

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

        .case-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .case-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--surface);
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .case-info .case-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .case-info .case-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        .case-stars {
            color: var(--secondary);
            font-size: 13px;
            margin-bottom: 10px;
        }

        .case-quote {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            border-left: 3px solid var(--secondary);
            padding-left: 14px;
        }

        /* ==================== 资讯列表 ==================== */
        .info-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

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

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

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

        .info-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .info-tag {
            font-size: 12px;
            background: rgba(62,90,75,0.1);
            color: var(--accent);
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            font-weight: 600;
        }

        .info-time {
            font-size: 12px;
            color: var(--text-muted);
        }

        .info-card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .info-card-title a {
            color: var(--text-primary);
            text-decoration: none;
        }

        .info-card-title a:hover {
            color: var(--secondary);
        }

        .info-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .info-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .info-card-link:hover {
            color: var(--secondary-hover);
        }

        .info-empty {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 32px;
            background: var(--surface);
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
            grid-column: 1 / -1;
        }

        .info-empty-icon {
            font-size: 40px;
            color: var(--text-muted);
        }

        .info-empty-text {
            font-size: 15px;
            color: var(--text-secondary);
        }

        /* ==================== 标签云 ==================== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .tag-pill {
            display: inline-block;
            padding: 8px 18px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all var(--transition);
        }

        .tag-pill:hover {
            background: var(--secondary);
            border-color: var(--secondary);
            color: var(--surface);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(192,122,63,0.25);
        }

        /* ==================== 品牌故事 ==================== */
        .brand-story {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-story-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }

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

        .brand-story-text h3 {
            font-size: clamp(20px, 2.5vw, 28px);
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .brand-story-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        /* ==================== 多端入口 ==================== */
        .multi-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .multi-entry-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 16px 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }

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

        .multi-entry-btn i {
            font-size: 20px;
        }

        /* ==================== 误区澄清 ==================== */
        .myth-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .myth-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            transition: all var(--transition);
        }

        .myth-item:hover {
            border-color: rgba(192,122,63,0.3);
            box-shadow: var(--shadow-card);
        }

        .myth-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(192,122,63,0.1);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .myth-text h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .myth-text p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ==================== 价格对比 ==================== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pricing-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .pricing-card.featured {
            border-color: var(--secondary);
            border-width: 2px;
            position: relative;
        }

        .pricing-card.featured::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--secondary);
            color: var(--surface);
            padding: 4px 16px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 700;
        }

        .pricing-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .pricing-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            text-align: left;
            flex: 1;
        }

        .pricing-features li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .pricing-features li i {
            color: var(--accent);
            font-size: 12px;
        }

        /* ==================== 订阅更新 ==================== */
        .subscribe-box {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
        }

        .subscribe-input {
            flex: 1;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 15px;
            background: var(--surface);
            color: var(--text-primary);
            transition: border-color var(--transition);
            outline: none;
        }

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

        .subscribe-btn {
            padding: 14px 28px;
            background: var(--secondary);
            color: var(--surface);
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid var(--secondary);
        }

        .subscribe-btn:hover {
            background: var(--secondary-hover);
            border-color: var(--secondary-hover);
        }

        .subscribe-note {
            text-align: center;
            font-size: 12px;
            color: rgba(255,255,255,0.6);
            margin-top: 10px;
        }

        /* ==================== 最终 CTA ==================== */
        .final-cta {
            background: linear-gradient(135deg, var(--dark-bg-start), var(--dark-bg-end));
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta-glow {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(192,122,63,0.25) 0%, transparent 70%);
            top: -100px;
            right: -50px;
            pointer-events: none;
        }

        .final-cta h2 {
            color: var(--surface);
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 900;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .final-cta p {
            color: rgba(255,255,255,0.75);
            font-size: 16px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .final-cta .btn {
            position: relative;
            z-index: 1;
        }

        .final-cta-note {
            color: rgba(255,255,255,0.5);
            font-size: 13px;
            margin-top: 16px;
            position: relative;
            z-index: 1;
        }

        /* ==================== 页脚 ==================== */
        .site-footer {
            background: var(--dark-bg-start);
            padding: 48px 0 0;
            color: #A39B8E;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .footer-brand .footer-logo {
            font-size: 18px;
            font-weight: 800;
            color: var(--surface);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo .highlight {
            color: var(--secondary);
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #A39B8E;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--surface);
            margin-bottom: 16px;
        }

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

        .footer-col ul li a {
            font-size: 13px;
            color: #A39B8E;
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-tag);
            font-size: 12px;
            color: #A39B8E;
            text-decoration: none;
            transition: all var(--transition);
        }

        .footer-tag:hover {
            background: rgba(255,255,255,0.12);
            color: var(--surface);
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: #8A7F72;
        }

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

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

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

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

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

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

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

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

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

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

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
            }

            .main-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

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

            .hero-inner {
                padding: 60px 16px;
            }

            .hero-stats {
                gap: 20px;
            }

            .section {
                padding: 40px 0;
            }

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

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

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

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

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

            .info-list {
                grid-template-columns: 1fr;
            }

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

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

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

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

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

            .subscribe-btn {
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .logo-text {
                font-size: 15px;
            }

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

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

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

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

            .hero-actions .btn {
                width: 100%;
            }

            .hero-stats {
                flex-direction: column;
                gap: 14px;
            }

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

            .section-title {
                font-size: 20px;
            }
        }

/* roulang page: article */
:root {
        --primary: #2B2724;
        --secondary: #C07A3F;
        --secondary-hover: #A96832;
        --bg: #F6F2EB;
        --surface: #FFFEFB;
        --accent: #3E5A4B;
        --text-primary: #211D18;
        --text-secondary: #5C544A;
        --text-muted: #8A7F72;
        --border: #E5DDD0;
        --dark-bg-start: #26221E;
        --dark-bg-end: #3A332B;
        --warning-bg: #F5EBDC;
        --radius-card: 12px;
        --radius-btn: 8px;
        --radius-tag: 20px;
        --shadow-card: 0 2px 8px rgba(43,39,36,0.06);
        --shadow-card-hover: 0 8px 20px rgba(43,39,36,0.12);
        --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
        --transition: 0.2s ease;
        --section-padding: 64px;
        --container-max: 1200px;
    }

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

    body {
        font-family: var(--font-family);
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-primary);
        background-color: var(--bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        margin: 0;
    }

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

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

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

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

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

    /* 容器 */
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }

    .container-narrow {
        max-width: 800px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* 按钮 */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: var(--radius-btn);
        font-size: 15px;
        font-weight: 700;
        line-height: 1.4;
        transition: all var(--transition);
        text-align: center;
        white-space: nowrap;
        cursor: pointer;
        border: 2px solid transparent;
        text-decoration: none;
    }

    .btn-primary {
        background: var(--secondary);
        color: var(--surface);
        border-color: var(--secondary);
    }

    .btn-primary:hover {
        background: var(--secondary-hover);
        border-color: var(--secondary-hover);
        color: var(--surface);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(192,122,63,0.35);
    }

    .btn-primary:focus {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 2px 4px rgba(192,122,63,0.25);
    }

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

    .btn-secondary:hover {
        background: var(--primary);
        color: var(--surface);
        transform: translateY(-1px);
    }

    .btn-secondary:focus {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }

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

    .btn-dark-surface:hover {
        background: var(--bg);
        border-color: var(--bg);
        color: var(--primary);
        transform: translateY(-1px);
    }

    .btn-outline-light {
        background: transparent;
        color: var(--surface);
        border-color: rgba(255,255,255,0.4);
    }

    .btn-outline-light:hover {
        background: rgba(255,255,255,0.12);
        border-color: var(--surface);
        color: var(--surface);
    }

    .btn-large {
        padding: 16px 36px;
        font-size: 17px;
    }

    .btn-small {
        padding: 8px 18px;
        font-size: 13px;
    }

    /* 导航 */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        padding: 12px 24px;
        max-width: var(--container-max);
        margin: 0 auto;
        gap: 12px;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        text-decoration: none;
        color: var(--text-primary);
        flex-shrink: 0;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
        border-radius: 8px;
        background: linear-gradient(135deg, var(--secondary), var(--accent));
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--surface);
        font-size: 20px;
        flex-shrink: 0;
    }

    .logo-text {
        font-size: 18px;
        font-weight: 800;
        color: var(--text-primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

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

    .main-nav {
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .nav-list {
        display: flex;
        align-items: center;
        gap: 20px;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .nav-link {
        font-size: 15px;
        color: var(--text-secondary);
        padding: 8px 4px;
        position: relative;
        text-decoration: none;
        transition: color var(--transition);
    }

    .nav-link::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 2px;
        background: var(--secondary);
        transition: width var(--transition);
    }

    .nav-link:hover {
        color: var(--text-primary);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
        width: 100%;
    }

    .nav-link.active {
        color: var(--text-primary);
        font-weight: 700;
    }

    .nav-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--secondary);
        color: var(--surface);
        padding: 10px 20px;
        border-radius: var(--radius-btn);
        font-weight: 700;
        font-size: 14px;
        transition: all var(--transition);
        text-decoration: none;
        white-space: nowrap;
    }

    .nav-cta:hover {
        background: var(--secondary-hover);
        color: var(--surface);
        transform: translateY(-1px);
    }

    /* 文章页特有 */
    .article-hero {
        padding: 48px 0 32px;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
    }

    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        color: var(--text-muted);
        font-size: 14px;
        margin-top: 12px;
    }

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

    .breadcrumb {
        padding: 16px 0;
        font-size: 14px;
        color: var(--text-muted);
        background: transparent;
    }

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

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

    .breadcrumb .separator {
        margin: 0 8px;
        color: var(--border);
    }

    .article-body {
        max-width: 760px;
        margin: 0 auto;
        padding: 32px 24px 48px;
        background: var(--surface);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
    }

    .article-body .fallback-message {
        text-align: center;
        padding: 60px 20px;
        color: var(--text-secondary);
    }

    .article-body .fallback-message h3 {
        font-size: 22px;
        color: var(--text-primary);
        margin-bottom: 12px;
    }

    .article-body .fallback-message .btn {
        margin-top: 20px;
    }

    .related-section {
        padding: var(--section-padding) 0;
        background: var(--bg);
    }

    .section-title {
        font-size: clamp(22px, 3vw, 32px);
        font-weight: 800;
        color: var(--text-primary);
        margin-bottom: 32px;
        text-align: center;
    }

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

    .related-card {
        background: var(--surface);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: all var(--transition);
    }

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

    .related-card img {
        width: 100%;
        height: 180px;
        object-fit: cover;
    }

    .related-card-content {
        padding: 20px;
    }

    .related-card h3 {
        font-size: 18px;
        font-weight: 700;
        margin: 0 0 8px;
        line-height: 1.5;
    }

    .related-card h3 a {
        color: var(--text-primary);
    }

    .related-card h3 a:hover {
        color: var(--secondary);
    }

    .related-card .meta {
        font-size: 13px;
        color: var(--text-muted);
        display: flex;
        justify-content: space-between;
        margin-top: 12px;
    }

    .back-section {
        padding: 40px 0;
        background: var(--surface);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }

    .back-buttons {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .tag-section {
        padding: 48px 0;
        background: var(--bg);
    }

    .tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center;
    }

    .tag-pill {
        display: inline-block;
        padding: 8px 18px;
        border-radius: var(--radius-tag);
        background: var(--surface);
        color: var(--text-secondary);
        font-size: 13px;
        border: 1px solid var(--border);
        transition: all var(--transition);
        text-decoration: none;
    }

    .tag-pill:hover {
        background: var(--accent);
        color: var(--surface);
        border-color: var(--accent);
    }

    .cta-section {
        background: linear-gradient(135deg, var(--dark-bg-start) 0%, var(--dark-bg-end) 100%);
        padding: var(--section-padding) 0;
        color: var(--surface);
    }

    .cta-inner {
        text-align: center;
        max-width: 700px;
        margin: 0 auto;
        padding: 0 24px;
    }

    .cta-inner h2 {
        color: var(--surface);
        font-size: clamp(24px, 4vw, 36px);
        font-weight: 800;
        margin-bottom: 16px;
    }

    .cta-inner p {
        color: #D8D0C4;
        margin-bottom: 32px;
        font-size: 17px;
    }

    .cta-inner .btn {
        margin: 0 8px;
    }

    .cta-note {
        margin-top: 16px;
        font-size: 13px;
        color: #A39B8E;
        display: flex;
        gap: 20px;
        justify-content: center;
    }

    /* 页脚 */
    .site-footer {
        background: var(--dark-bg-start);
        color: #A39B8E;
        padding: 48px 0 24px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 32px;
    }

    .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 18px;
        font-weight: 800;
        color: var(--surface);
        margin-bottom: 16px;
    }

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

    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        color: #A39B8E;
        margin: 0;
    }

    .footer-col h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--surface);
        margin-bottom: 16px;
    }

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

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

    .footer-col ul li a {
        color: #A39B8E;
        font-size: 14px;
        text-decoration: none;
        transition: color var(--transition);
    }

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

    .footer-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .footer-tag {
        display: inline-block;
        background: rgba(255,255,255,0.06);
        border: 1px solid rgba(255,255,255,0.1);
        color: #A39B8E;
        padding: 4px 12px;
        border-radius: var(--radius-tag);
        font-size: 12px;
        transition: all var(--transition);
        text-decoration: none;
    }

    .footer-tag:hover {
        background: rgba(192,122,63,0.2);
        border-color: var(--secondary);
        color: var(--surface);
    }

    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.08);
        padding-top: 20px;
        text-align: center;
        font-size: 13px;
        color: #A39B8E;
    }

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

    @media (max-width: 768px) {
        .header-inner {
            flex-wrap: nowrap;
        }
        .main-nav {
            display: none;
        }
        .mobile-menu-toggle {
            display: flex;
        }
        .related-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .article-hero {
            padding: 32px 0 24px;
        }
        .article-body {
            padding: 24px 16px 32px;
        }
    }

    @media (max-width: 480px) {
        .container {
            padding: 0 16px;
        }
        .container-narrow {
            padding: 0 16px;
        }
        .section-title {
            font-size: 22px;
        }
        .btn {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-large {
            padding: 12px 24px;
            font-size: 15px;
        }
    }

    /* Foundation 覆盖 */
    .grid-x {
        margin: 0;
    }
    .cell {
        padding: 0;
    }

/* roulang page: category1 */
/* ==================== 设计变量 ==================== */
        :root {
            --primary: #2B2724;
            --secondary: #C07A3F;
            --secondary-hover: #A96832;
            --bg: #F6F2EB;
            --surface: #FFFEFB;
            --accent: #3E5A4B;
            --text-primary: #211D18;
            --text-secondary: #5C544A;
            --text-muted: #8A7F72;
            --border: #E5DDD0;
            --dark-bg-start: #26221E;
            --dark-bg-end: #3A332B;
            --warning-bg: #F5EBDC;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 20px;
            --shadow-card: 0 2px 8px rgba(43,39,36,0.06);
            --shadow-card-hover: 0 8px 20px rgba(43,39,36,0.12);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --transition: 0.2s ease;
            --section-padding: 64px;
            --container-max: 1200px;
        }

        /* ==================== Reset & Base ==================== */
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 16px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
        }
        h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
        }
        h2 {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 700;
        }
        h3 {
            font-size: clamp(18px, 2.2vw, 24px);
            font-weight: 700;
        }
        p {
            margin: 0 0 16px;
            line-height: 1.8;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        /* ==================== 容器 ==================== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ==================== 按钮 ==================== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            line-height: 1.4;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
            text-decoration: none;
        }
        .btn:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--secondary);
            color: var(--surface);
            border-color: var(--secondary);
        }
        .btn-primary:hover {
            background: var(--secondary-hover);
            border-color: var(--secondary-hover);
            color: var(--surface);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(192,122,63,0.35);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: var(--surface);
            transform: translateY(-1px);
        }
        .btn-dark-surface {
            background: var(--surface);
            color: var(--primary);
            border-color: var(--surface);
        }
        .btn-dark-surface:hover {
            background: var(--bg);
            border-color: var(--bg);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--surface);
            border-color: rgba(255,255,255,0.4);
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.12);
            border-color: var(--surface);
            color: var(--surface);
        }
        .btn-large {
            padding: 16px 36px;
            font-size: 17px;
        }
        .btn-small {
            padding: 8px 18px;
            font-size: 13px;
        }

        /* ==================== 导航 ==================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 6px rgba(43,39,36,0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            gap: 12px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-primary);
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--surface);
            font-size: 20px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text .highlight {
            color: var(--secondary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
        }
        .nav-link:hover {
            color: var(--text-primary);
            border-bottom-color: var(--secondary);
        }
        .nav-link.active {
            color: var(--text-primary);
            font-weight: 700;
            border-bottom-color: var(--secondary);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            background: var(--secondary);
            color: var(--surface);
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--secondary-hover);
            color: var(--surface);
            transform: translateY(-1px);
            box-shadow: 0 4px 10px rgba(192,122,63,0.35);
        }
        .nav-cta:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--text-primary);
            padding: 4px 8px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--surface);
            cursor: pointer;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg);
        }

        /* ==================== 面包屑 ==================== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb-sep {
            color: var(--border);
            font-size: 12px;
        }
        .breadcrumb-current {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* ==================== 分类头部区 ==================== */
        .category-hero {
            background: linear-gradient(135deg, var(--dark-bg-start), var(--dark-bg-end));
            background-image: radial-gradient(ellipse at 20% 20%, rgba(192,122,63,0.18) 0%, transparent 55%),
                              radial-gradient(ellipse at 80% 80%, rgba(62,90,75,0.18) 0%, transparent 55%),
                              linear-gradient(135deg, var(--dark-bg-start), var(--dark-bg-end));
            color: var(--surface);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--secondary), transparent);
        }
        .category-hero .breadcrumb {
            color: rgba(255,255,255,0.6);
        }
        .category-hero .breadcrumb a {
            color: rgba(255,255,255,0.75);
        }
        .category-hero .breadcrumb a:hover {
            color: var(--secondary);
        }
        .category-hero .breadcrumb-current {
            color: var(--surface);
        }
        .category-hero h1 {
            color: var(--surface);
            margin-bottom: 12px;
            max-width: 800px;
        }
        .category-hero p {
            color: rgba(255,255,255,0.8);
            font-size: 17px;
            max-width: 700px;
            margin-bottom: 0;
        }

        /* ==================== Section 通用 ==================== */
        .section {
            padding: var(--section-padding) 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-bg {
            background: var(--bg);
        }
        .section-surface {
            background: var(--surface);
        }
        .section-dark {
            background: linear-gradient(135deg, var(--dark-bg-start), var(--dark-bg-end));
            color: var(--surface);
        }
        .section-accent {
            background: var(--warning-bg);
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--text-secondary);
            max-width: 600px;
        }
        .section-header.centered {
            text-align: center;
        }
        .section-header.centered p {
            margin-left: auto;
            margin-right: auto;
        }

        /* ==================== 分类简介+数据 ==================== */
        .category-intro-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .category-intro-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
        }
        .category-intro-desc strong {
            color: var(--text-primary);
            font-weight: 700;
        }
        .category-data-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .data-mini-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .data-mini-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .data-mini-value {
            font-size: 28px;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.3;
            margin-bottom: 6px;
        }
        .data-mini-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ==================== 视频卡片网格 ==================== */
        .video-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .video-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .video-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(192,122,63,0.35);
        }
        .video-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
            background: var(--bg);
            position: relative;
            overflow: hidden;
        }
        .video-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .video-card:hover .video-card-img img {
            transform: scale(1.03);
        }
        .video-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .video-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .video-card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .video-card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 14px;
        }
        .video-card-tag {
            display: inline-block;
            padding: 3px 12px;
            background: var(--accent);
            color: var(--surface);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-tag);
            letter-spacing: 0.3px;
        }
        .video-card-date {
            font-size: 13px;
            color: var(--text-muted);
        }
        .video-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            text-decoration: none;
            transition: all var(--transition);
        }
        .video-card-link:hover {
            color: var(--secondary-hover);
            gap: 10px;
        }

        /* ==================== 标签云 ==================== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .tag-cloud .tag-pill {
            display: inline-block;
            padding: 8px 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-tag);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all var(--transition);
        }
        .tag-cloud .tag-pill:hover {
            background: var(--secondary);
            border-color: var(--secondary);
            color: var(--surface);
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(192,122,63,0.3);
        }
        .tag-cloud .tag-pill:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ==================== 热门推荐 ==================== */
        .hot-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 14px 16px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            text-decoration: none;
        }
        .hot-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(192,122,63,0.35);
        }
        .hot-item-img {
            width: 80px;
            height: 56px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg);
        }
        .hot-item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hot-item-info {
            flex: 1;
            min-width: 0;
        }
        .hot-item-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-item-heat {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--secondary);
            font-weight: 600;
        }
        .hot-item-heat i {
            font-size: 12px;
        }

        /* ==================== 相关专题 ==================== */
        .topic-compact-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .topic-compact-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            text-decoration: none;
            display: flex;
            flex-direction: column;
        }
        .topic-compact-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .topic-compact-img {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg);
        }
        .topic-compact-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .topic-compact-card:hover .topic-compact-img img {
            transform: scale(1.03);
        }
        .topic-compact-body {
            padding: 16px 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-compact-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .topic-compact-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 12px;
            flex: 1;
        }
        .topic-compact-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ==================== FAQ ==================== */
        .faq-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .accordion {
            margin: 0;
            padding: 0;
            border: none;
            list-style: none;
        }
        .accordion-item {
            border-bottom: 1px solid var(--border);
        }
        .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            transition: all var(--transition);
            cursor: pointer;
            background: var(--surface);
        }
        .accordion-title:hover {
            color: var(--secondary);
            background: rgba(246,242,235,0.6);
        }
        .accordion-title:focus {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .accordion-icon {
            font-size: 16px;
            color: var(--secondary);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .accordion-title.is-active .accordion-icon {
            transform: rotate(45deg);
        }
        .accordion-title.is-active {
            color: var(--secondary);
        }
        .accordion-content {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            display: none;
        }
        .accordion-content.is-active {
            display: block;
        }

        /* ==================== CTA ==================== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark-bg-start), var(--dark-bg-end));
            background-image: radial-gradient(ellipse at 30% 30%, rgba(192,122,63,0.15) 0%, transparent 55%),
                              radial-gradient(ellipse at 75% 75%, rgba(62,90,75,0.2) 0%, transparent 55%),
                              linear-gradient(135deg, var(--dark-bg-start), var(--dark-bg-end));
            color: var(--surface);
            padding: 56px 0;
            text-align: center;
        }
        .cta-section h2 {
            color: var(--surface);
            margin-bottom: 12px;
            font-size: clamp(24px, 3.5vw, 34px);
        }
        .cta-section p {
            color: rgba(255,255,255,0.8);
            max-width: 500px;
            margin: 0 auto 28px;
            font-size: 16px;
        }
        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .cta-micro {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            margin-top: 20px;
            font-size: 13px;
            color: rgba(255,255,255,0.65);
        }
        .cta-micro i {
            color: var(--secondary);
            margin-right: 6px;
        }

        /* ==================== 页脚 ==================== */
        .site-footer {
            background: var(--dark-bg-start);
            color: #A39B8E;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: #A39B8E;
            margin-top: 12px;
            max-width: 280px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: var(--surface);
        }
        .footer-logo .highlight {
            color: var(--secondary);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--surface);
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: #A39B8E;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--surface);
        }
        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-tag);
            font-size: 12px;
            color: #A39B8E;
            text-decoration: none;
            transition: all var(--transition);
        }
        .footer-tag:hover {
            background: rgba(255,255,255,0.12);
            color: var(--surface);
            border-color: rgba(255,255,255,0.25);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 13px;
            color: #8A7F72;
            letter-spacing: 0.5px;
        }

        /* ==================== 锚点偏移 ==================== */
        .anchor-offset {
            scroll-margin-top: 80px;
        }

        /* ==================== Foundation 覆盖 ==================== */
        .row {
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .row .row {
            max-width: none;
            margin: 0 -12px;
        }
        .columns, .column {
            padding: 0 12px;
        }
        .accordion, .accordion-item, .accordion-title, .accordion-content {
            background: transparent;
        }
        .accordion-title::before {
            display: none !important;
        }
        .accordion-content {
            padding: 0 24px 20px;
            border: none;
        }
        .accordion-title {
            border: none;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            background: var(--surface);
            line-height: 1.5;
        }
        .accordion-title:focus {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .accordion-title.is-active {
            color: var(--secondary);
        }

        /* ==================== 图片辅助 ==================== */
        .img-frame {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: var(--bg);
        }
        .img-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ==================== 响应式 ==================== */
        @media (max-width: 1024px) {
            .video-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .topic-compact-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .category-intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-data-row {
                grid-template-columns: repeat(3, 1fr);
            }
            .hot-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 40px;
            }
            .header-inner {
                padding: 10px 16px;
            }
            .main-nav {
                width: 100%;
                justify-content: space-between;
            }
            .nav-list {
                gap: 16px;
                flex-wrap: wrap;
            }
            .nav-link {
                font-size: 14px;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero p {
                font-size: 15px;
            }
            .video-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .topic-compact-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .category-data-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .data-mini-value {
                font-size: 22px;
            }
            .data-mini-label {
                font-size: 12px;
            }
            .hot-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                padding: 40px 16px;
            }
            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .cta-buttons .btn {
                width: 100%;
            }
            .cta-micro {
                flex-direction: column;
                gap: 10px;
            }
            .accordion-title {
                padding: 16px 18px;
                font-size: 15px;
            }
            .accordion-content {
                padding: 0 18px 16px;
                font-size: 14px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .video-card-title {
                font-size: 16px;
            }
            .video-card-body {
                padding: 14px 16px 16px;
            }
            .category-data-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .tag-cloud .tag-pill {
                padding: 6px 14px;
                font-size: 13px;
            }
            .hot-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .hot-item-img {
                width: 100%;
                height: auto;
                aspect-ratio: 16/9;
            }
            .footer-col ul li a {
                font-size: 13px;
            }
            .footer-tag {
                font-size: 11px;
                padding: 3px 10px;
            }
            .btn-large {
                padding: 14px 24px;
                font-size: 15px;
                width: 100%;
            }
        }