/* roulang page: index */
:root {
            --primary: #0F7B6C;
            --primary-dark: #0A5F50;
            --primary-light: #E6F2F0;
            --accent: #E3A93B;
            --accent-dark: #C88F2B;
            --bg: #F4F8F7;
            --bg-warm: #FBF7EE;
            --card: #FFFFFF;
            --text: #1C2B28;
            --text-muted: #5A6E69;
            --text-light: #80938D;
            --border: #E3EAE8;
            --border-strong: #C8D5D1;
            --danger: #B8544A;
            --danger-bg: #FBF0EF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 6px 16px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.06);
            --transition: 180ms ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --section-gap: 72px;
            --section-gap-mobile: 44px;
            --card-gap: 24px;
            --card-padding: 22px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

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

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(15, 123, 108, 0.35);
            outline-offset: 2px;
        }

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

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            height: var(--nav-height);
        }

        .site-header .container {
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

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

        .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 2px 6px rgba(15, 123, 108, 0.25);
        }

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

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
        }

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

        .nav-links a.active {
            color: #fff;
            background: var(--primary);
        }

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

        .nav-search {
            position: relative;
            width: 180px;
        }

        .nav-search input {
            width: 100%;
            height: 38px;
            border: 1px solid var(--border);
            border-radius: 20px;
            background: #F7FAF9;
            padding: 0 14px 0 36px;
            font-size: 14px;
            transition: all var(--transition);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(15, 123, 108, 0.12);
        }

        .nav-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 6px rgba(15, 123, 108, 0.28);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 14px rgba(15, 123, 108, 0.35);
        }

        .btn-accent {
            background: var(--accent);
            color: #1C2B28;
            box-shadow: 0 2px 6px rgba(227, 169, 59, 0.3);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 14px rgba(227, 169, 59, 0.4);
        }

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

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            border: 1.5px solid #fff;
        }

        .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 13px 30px;
            font-size: 16px;
            border-radius: 8px;
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 14px;
        }

        .btn-block {
            display: block;
            width: 100%;
        }

        /* 汉堡菜单按钮 */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            padding: 8px;
            line-height: 1;
        }

        /* Hero 首屏 - 全宽矮横幅 */
        .hero {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 440px;
            position: relative;
            display: flex;
            align-items: center;
            padding: 48px 0;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(110deg, rgba(10, 50, 40, 0.92) 0%, rgba(15, 123, 108, 0.75) 50%, rgba(10, 60, 50, 0.55) 100%);
        }

        .hero .container {
            position: relative;
            z-index: 1;
            width: 100%;
        }

        .hero-grid {
            display: flex;
            align-items: center;
            gap: 36px;
            flex-wrap: wrap;
        }

        .hero-content {
            flex: 1 1 520px;
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.28);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: #F4F8F7;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            backdrop-filter: blur(4px);
        }

        .hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #FFFFFF;
            letter-spacing: 0.5px;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 26px;
            max-width: 560px;
        }

        .hero-ctas {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 22px;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

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

        .hero-stat .stat-num {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.78);
            letter-spacing: 0.3px;
        }

        .hero-card {
            flex: 0 0 360px;
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .hero-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .hero-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

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

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 5px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            height: 42px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: #F7FAF9;
            padding: 0 12px;
            font-size: 14px;
            color: var(--text);
            transition: all var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(15, 123, 108, 0.12);
        }

        .form-row {
            display: flex;
            gap: 10px;
        }

        .form-row .form-group {
            flex: 1;
        }

        /* 通用板块样式 */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-tight {
            padding: 48px 0;
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-head .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .section-head .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 680px;
        }

        /* 痛点区 */
        .pain-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .pain-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .pain-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--danger);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .pain-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-sm);
            transform: translateY(-3px);
        }

        .pain-item:hover::before {
            opacity: 1;
        }

        .pain-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--border-strong);
            line-height: 1;
            letter-spacing: 0.5px;
        }

        .pain-icon {
            font-size: 20px;
            color: var(--danger);
        }

        .pain-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }

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

        /* 解决方案流程步骤条 */
        .flow-steps {
            display: flex;
            align-items: flex-start;
            gap: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            padding: 8px 0 16px;
        }

        .flow-step {
            flex: 1;
            min-width: 180px;
            text-align: center;
            position: relative;
            padding: 0 8px;
        }

        .flow-step .step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #fff;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            z-index: 2;
            position: relative;
            transition: all var(--transition);
        }

        .flow-step:hover .step-circle {
            background: var(--primary);
            color: #fff;
            transform: scale(1.08);
            box-shadow: 0 6px 16px rgba(15, 123, 108, 0.3);
        }

        .flow-step .step-line {
            position: absolute;
            top: 28px;
            left: calc(50% + 32px);
            right: calc(-50% + 32px);
            height: 2px;
            background: var(--border-strong);
            z-index: 0;
        }

        .flow-step:last-child .step-line {
            display: none;
        }

        .flow-step h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

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

        /* 成果区卡片 */
        .result-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

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

        .result-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .result-img-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--primary-light);
        }

        .result-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease;
        }

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

        .rarity-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--accent);
            color: #1C2B28;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.4px;
        }

        .wear-tag {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(0, 0, 0, 0.62);
            color: #fff;
            font-size: 11px;
            font-weight: 500;
            padding: 3px 8px;
            border-radius: 4px;
        }

        .result-info {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .result-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }

        .result-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        .result-price {
            font-size: 17px;
            font-weight: 700;
            color: var(--accent-dark);
        }

        /* 奖励预览 */
        .reward-preview {
            background: var(--bg-warm);
            border: 1px solid #EFE3C8;
            border-radius: var(--radius-lg);
            padding: 36px 32px;
        }

        .reward-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }

        .reward-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: #fff;
            border: 1px solid #EFE3C8;
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all var(--transition);
        }

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

        .reward-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .reward-item h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 2px;
        }

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

        /* 产品截图舞台 */
        .showcase {
            background: #0F2622;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 44px 36px;
        }

        .showcase-grid {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .showcase-content {
            flex: 1 1 420px;
            color: #fff;
        }

        .showcase-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .showcase-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .showcase-frame {
            flex: 0 0 460px;
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
        }

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

        .showcase-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            background: #F7FAF9;
        }

        .showcase-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .showcase-dot.red {
            background: #E0665A;
        }

        .showcase-dot.yellow {
            background: #E3A93B;
        }

        .showcase-dot.green {
            background: #5DBF9A;
        }

        .showcase-bar span {
            font-size: 12px;
            color: var(--text-muted);
            margin-left: 8px;
        }

        /* 客户证言 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .testimonial-stars {
            display: flex;
            gap: 3px;
            font-size: 14px;
            color: var(--accent);
        }

        .testimonial-card blockquote {
            font-size: 15px;
            color: var(--text);
            line-height: 1.75;
            margin: 0;
            font-style: normal;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 8px;
            border-top: 1px solid var(--border);
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .testimonial-author strong {
            font-size: 14px;
            color: var(--text);
            display: block;
        }

        .testimonial-author span {
            font-size: 12px;
            color: var(--text-light);
        }

        /* 品牌介绍 */
        .brand-intro {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }

        .brand-intro p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .brand-intro p:last-child {
            margin-bottom: 0;
        }

        /* 资讯区 */
        .news-grid {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .news-list {
            flex: 1 1 480px;
        }

        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            border-radius: var(--radius-sm);
        }

        .news-list-item:hover {
            background: #fff;
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .news-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            margin-top: 8px;
            flex-shrink: 0;
        }

        .news-list-item h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 2px;
            line-height: 1.5;
        }

        .news-list-item h5 a {
            color: var(--text);
        }

        .news-list-item h5 a:hover {
            color: var(--primary);
        }

        .news-list-item .news-date {
            font-size: 12px;
            color: var(--text-light);
        }

        .news-recommend {
            flex: 0 0 300px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .news-recommend h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }

        .news-recommend ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-recommend li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-muted);
        }

        .news-recommend li:last-child {
            border-bottom: none;
        }

        .news-recommend li a {
            color: var(--text-muted);
        }

        .news-recommend li a:hover {
            color: var(--primary);
        }

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

        .faq-item {
            border-bottom: 1px solid var(--border);
            background: #fff;
            border-radius: var(--radius-sm);
            margin-bottom: 6px;
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            user-select: none;
            transition: all var(--transition);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }

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

        .faq-answer {
            display: none;
            padding: 0 20px 18px 60px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

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

        .faq-item.active {
            background: #FAFDFC;
        }

        /* CTA 预约区 */
        .cta-section {
            background: linear-gradient(135deg, #0A3D30 0%, var(--primary-dark) 50%, #0F7B6C 100%);
            border-radius: var(--radius-lg);
            padding: 52px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(227, 169, 59, 0.18);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 26px;
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .cta-btns {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
            margin-bottom: 24px;
        }

        .cta-form {
            max-width: 520px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            padding: 20px;
            backdrop-filter: blur(4px);
        }

        .cta-form .form-group label {
            color: rgba(255, 255, 255, 0.9);
        }

        .cta-form .form-group input,
        .cta-form .form-group select {
            background: rgba(255, 255, 255, 0.92);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        /* 页脚 */
        .site-footer {
            background: #0F2622;
            color: #B8C9C5;
            padding: 52px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 19px;
        }

        .footer-brand .brand-icon {
            background: var(--accent);
            color: #1C2B28;
        }

        .footer-brand p {
            font-size: 14px;
            color: #8FA8A2;
            line-height: 1.8;
            margin-top: 12px;
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col a {
            font-size: 14px;
            color: #8FA8A2;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 13px;
            color: #6E8580;
            line-height: 1.8;
            text-align: center;
        }

        .footer-bottom .footer-risk {
            font-size: 12px;
            color: #5E736E;
            max-width: 860px;
            margin: 8px auto 0;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 56px;
                --section-gap-mobile: 36px;
            }

            .hero h1 {
                font-size: 33px;
            }

            .hero-card {
                flex: 0 0 320px;
            }

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

            .result-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

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

            .showcase-frame {
                flex: 0 0 380px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 20px;
                box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
                border-bottom: 2px solid var(--border);
                z-index: 99;
            }

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

            .nav-links li {
                width: 100%;
            }

            .nav-links a {
                padding: 12px 8px;
                border-radius: var(--radius-sm);
            }

            .nav-search {
                width: 120px;
            }

            .nav-search input {
                height: 36px;
                font-size: 13px;
                padding-left: 32px;
            }

            .hero {
                min-height: auto;
                padding: 36px 0;
            }

            .hero h1 {
                font-size: 28px;
            }

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

            .hero-card {
                flex: 0 0 100%;
            }

            .section {
                padding: var(--section-gap-mobile) 0;
            }

            .section-head h2 {
                font-size: 24px;
            }

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

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

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

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

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

            .flow-steps {
                flex-direction: column;
                gap: 20px;
            }

            .flow-step {
                min-width: 100%;
                text-align: left;
                display: flex;
                gap: 14px;
                align-items: flex-start;
            }

            .flow-step .step-circle {
                margin: 0;
                flex-shrink: 0;
            }

            .flow-step .step-line {
                display: none;
            }

            .showcase {
                padding: 28px 18px;
            }

            .showcase-frame {
                flex: 0 0 100%;
            }

            .cta-section {
                padding: 36px 20px;
            }

            .cta-section h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap-mobile: 28px;
                --card-gap: 14px;
            }

            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .brand-text {
                font-size: 16px;
                letter-spacing: 0;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .nav-search {
                display: none;
            }

            .btn {
                padding: 9px 16px;
                font-size: 14px;
            }

            .hero h1 {
                font-size: 24px;
            }

            .hero-stats {
                gap: 16px;
            }

            .hero-stat .stat-num {
                font-size: 21px;
            }

            .hero-card {
                padding: 20px 16px;
            }

            .section-head h2 {
                font-size: 21px;
            }

            .section-head .section-desc {
                font-size: 14px;
            }

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

            .reward-item {
                padding: 12px;
            }

            .faq-question {
                padding: 14px 14px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 14px 14px 46px;
                font-size: 14px;
            }

            .cta-section h2 {
                font-size: 21px;
            }

            .cta-form {
                padding: 14px;
            }

            .news-recommend {
                flex: 0 0 100%;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0F7B6C;
            --primary-dark: #0B5D52;
            --primary-light: #E2F0ED;
            --accent: #E3A93B;
            --accent-dark: #C8922B;
            --bg: #F4F8F7;
            --bg-warm: #F9FBF9;
            --card: #FFFFFF;
            --text: #1C2B28;
            --text-muted: #5A6E69;
            --text-light: #F5F9F8;
            --border: #E3EAE8;
            --border-strong: #C9D8D4;
            --danger: #C05B4D;
            --danger-bg: #FDF0ED;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 6px 16px rgba(0,0,0,0.10);
            --transition: 180ms ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --container-max: 1200px;
        }

        * {
            box-sizing: border-box;
        }

        html, body {
            margin: 0;
            padding: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
        }

        body {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

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

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

        a:hover, a:focus {
            color: var(--primary-dark);
            outline: none;
        }

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

        button, input, select {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        /* 导航 */
        .site-header {
            background-color: #ffffff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0,0,0,0.03);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0.75rem 0;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary-dark);
            text-decoration: none;
        }

        .brand-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
        }

        .brand-text {
            letter-spacing: 0.5px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            position: relative;
        }

        .nav-links a {
            display: block;
            padding: 0.5rem 0.85rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: color var(--transition), background-color var(--transition);
        }

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

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

        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background-color: #f2f6f5;
            border-radius: 20px;
            padding: 0.3rem 0.9rem;
            border: 1px solid var(--border);
            transition: border-color var(--transition), background-color var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            background-color: #fff;
        }

        .nav-search input {
            border: none;
            background: transparent;
            padding: 0.35rem 0.3rem;
            font-size: 0.9rem;
            width: 130px;
            outline: none;
            color: var(--text);
        }

        .search-icon {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .btn {
            display: inline-block;
            padding: 0.55rem 1.4rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.4;
            text-align: center;
            border: 2px solid transparent;
            cursor: pointer;
            transition: background-color var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
            text-decoration: none;
        }

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

        .btn-primary:hover, .btn-primary:focus {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .btn-accent {
            background-color: var(--accent);
            color: #1C2B28;
            border-color: var(--accent);
        }

        .btn-accent:hover, .btn-accent:focus {
            background-color: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #1C2B28;
            box-shadow: var(--shadow-md);
        }

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

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

        /* 面包屑 */
        .breadcrumb-bar {
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0.6rem 0;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

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

        .breadcrumb-sep {
            margin: 0 0.4rem;
            color: var(--border-strong);
        }

        /* Hero 分类标题区 */
        .hero-category {
            background-image: linear-gradient(rgba(15, 123, 108, 0.82), rgba(15, 123, 108, 0.88)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 3.5rem 0;
            position: relative;
        }

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

        .hero-category h1 {
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 1rem;
            color: #fff;
        }

        .hero-category .subtitle {
            font-size: 1.15rem;
            line-height: 1.7;
            max-width: 680px;
            color: rgba(255,255,255,0.92);
            margin-bottom: 1.5rem;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }

        .hero-tag {
            background-color: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.35);
            padding: 0.3rem 0.9rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* 主要区域 */
        main {
            flex: 1;
            padding-bottom: 4rem;
        }

        .section-space {
            padding: 3.5rem 0;
        }
        .section-space-sm {
            padding: 2rem 0;
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text);
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        /* 分类说明区 */
        .about-category {
            background-color: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 2rem;
            margin-top: 2.5rem;
            border: 1px solid var(--border);
        }

        .about-category p {
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .about-category strong {
            color: var(--text);
        }

        /* 筛选工具条 */
        .filter-bar {
            background-color: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            margin-bottom: 2rem;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            margin-right: 0.3rem;
        }

        .filter-select, .filter-input {
            padding: 0.45rem 0.8rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background-color: #fff;
            font-size: 0.9rem;
            color: var(--text);
            min-width: 130px;
            transition: border-color var(--transition);
        }

        .filter-select:focus, .filter-input:focus {
            border-color: var(--primary);
            outline: none;
        }

        .filter-actions {
            display: flex;
            gap: 0.5rem;
            margin-left: auto;
        }

        .btn-sm {
            padding: 0.4rem 1rem;
            font-size: 0.85rem;
        }

        /* 卡片网格 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 1rem;
        }

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

        .card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .card-img-wrap {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background-color: #EDF3F2;
        }

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

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

        .rarity-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background-color: var(--accent);
            color: #1C2B28;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.65rem;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }

        .card-body {
            padding: 1.25rem 1.2rem 1.2rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-skin-name {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 0.4rem;
            color: var(--text);
            line-height: 1.4;
        }

        .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.9rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0.75rem;
        }

        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }

        .card-price {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 0.6rem;
        }

        .card-actions {
            margin-top: auto;
            display: flex;
            gap: 0.5rem;
        }

        .card-actions .btn {
            flex: 1;
            font-size: 0.85rem;
            padding: 0.45rem 0.6rem;
        }

        /* 品牌介绍 */
        .brand-intro {
            background-color: #fff;
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            margin-top: 3rem;
        }

        .brand-intro p {
            color: var(--text-muted);
            line-height: 1.85;
            margin-bottom: 1rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: border-color var(--transition);
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 1rem 1.25rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: color var(--transition);
        }

        .faq-question:hover, .faq-question:focus {
            color: var(--primary);
        }

        .faq-icon {
            font-size: 0.9rem;
            transition: transform var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease, padding 300ms ease;
            padding: 0 1.25rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-bottom: 1.25rem;
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 3rem 2.5rem;
            text-align: center;
            margin-top: 3.5rem;
        }

        .cta-block h2 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }

        .cta-block p {
            color: rgba(255,255,255,0.92);
            margin-bottom: 1.75rem;
        }

        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* 页脚 */
        .site-footer {
            background-color: #123A33;
            color: #E8F0EE;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .site-footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }

        .footer-brand {
            flex: 1 1 220px;
        }

        .footer-brand .brand {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

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

        .footer-col ul li {
            margin-bottom: 0.4rem;
        }

        .footer-col a {
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer-col a:hover, .footer-col a:focus {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            margin-top: 2rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.65);
            width: 100%;
        }

        /* 移动端导航 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 0.25rem 0.5rem;
        }

        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #fff;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                box-shadow: var(--shadow-md);
                padding: 0.75rem 1rem;
                border-top: 1px solid var(--border);
            }
            .nav-links.show {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-right {
                order: 2;
            }
            .brand {
                order: 1;
            }
            .mobile-toggle {
                order: 3;
            }
        }

        @media (max-width: 768px) {
            .hero-category h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-actions {
                margin-left: 0;
                justify-content: flex-start;
            }
            .cta-block {
                padding: 2rem 1.5rem;
            }
            .site-footer .container {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .nav-search input {
                width: 80px;
            }
            .hero-category {
                padding: 2.5rem 0;
            }
            .hero-category h1 {
                font-size: 1.7rem;
            }
            .about-category {
                padding: 1.5rem;
            }
        }

/* roulang page: category1 */
/* ========== 分类页独有样式 ========== */
    :root {
      --primary: #0F7B6C;
      --primary-dark: #0A5E52;
      --primary-light: #D9EFEA;
      --accent: #E3A93B;
      --accent-dark: #C48A1F;
      --bg: #F4F8F7;
      --bg-warm: #FBF7EE;
      --card: #FFFFFF;
      --text: #1C2B28;
      --text-muted: #5A6E69;
      --text-light: #8AA39D;
      --border: #E3EAE8;
      --border-strong: #C5D5D0;
      --danger: #C06A4E;
      --danger-bg: #F9EFEB;
      --radius-sm: 4px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.06);
      --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
      --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
      --transition: 180ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
      --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
      --container-max: 1200px;
    }

    .category-main {
      background: var(--bg);
      min-height: 60vh;
      padding-top: 28px;
      padding-bottom: 64px;
    }

    /* 面包屑 */
    .category-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 18px;
      flex-wrap: wrap;
    }
    .category-breadcrumb a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color var(--transition);
    }
    .category-breadcrumb a:hover {
      color: var(--primary);
    }
    .category-breadcrumb .sep {
      color: var(--text-light);
      font-size: 12px;
    }
    .category-breadcrumb .current {
      color: var(--primary);
      font-weight: 600;
    }

    /* 分类标题区 */
    .category-header {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 28px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .category-header h1 {
      font-size: 32px;
      font-weight: 700;
      color: var(--text);
      margin: 0;
      line-height: 1.25;
      letter-spacing: -0.02em;
    }
    .category-header .cat-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary-light);
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 20px;
      margin-top: 10px;
      letter-spacing: 0.02em;
    }
    .category-header .cat-stats {
      display: flex;
      gap: 28px;
      flex-wrap: wrap;
    }
    .category-header .cat-stat {
      text-align: center;
    }
    .category-header .cat-stat .num {
      font-size: 26px;
      font-weight: 700;
      color: var(--primary);
      display: block;
      line-height: 1.2;
    }
    .category-header .cat-stat .label {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 分类说明区 */
    .category-intro {
      background: linear-gradient(135deg, rgba(15,123,108,0.04) 0%, rgba(227,169,59,0.05) 100%);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      margin-bottom: 28px;
    }
    .category-intro p {
      margin: 0;
      font-size: 16px;
      line-height: 1.8;
      color: var(--text);
    }
    .category-intro .highlight {
      color: var(--primary);
      font-weight: 600;
    }
    .category-intro .accent {
      color: var(--accent-dark);
      font-weight: 600;
    }

    /* 筛选工具条 */
    .filter-bar {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 20px 22px;
      margin-bottom: 28px;
      box-shadow: var(--shadow-sm);
    }
    .filter-bar .filter-row {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }
    .filter-bar .filter-group {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1 1 auto;
      min-width: 140px;
    }
    .filter-bar label {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      white-space: nowrap;
    }
    .filter-bar select,
    .filter-bar input[type="text"] {
      flex: 1 1 auto;
      min-width: 110px;
      padding: 9px 14px;
      border: 1px solid var(--border);
      border-radius: 6px;
      font-size: 14px;
      color: var(--text);
      background: #FAFCFB;
      font-family: var(--font-family);
      transition: border-color var(--transition), box-shadow var(--transition);
      outline: none;
      appearance: auto;
      -webkit-appearance: auto;
      cursor: pointer;
    }
    .filter-bar select:focus,
    .filter-bar input[type="text"]:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15,123,108,0.12);
    }
    .filter-bar .filter-actions {
      display: flex;
      gap: 10px;
      align-items: center;
    }
    .filter-bar .btn-filter {
      padding: 10px 20px;
      border: none;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: background var(--transition), transform var(--transition);
      font-family: var(--font-family);
      white-space: nowrap;
    }
    .filter-bar .btn-filter.primary {
      background: var(--primary);
      color: #fff;
    }
    .filter-bar .btn-filter.primary:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }
    .filter-bar .btn-filter.secondary {
      background: var(--bg);
      color: var(--text);
      border: 1px solid var(--border);
    }
    .filter-bar .btn-filter.secondary:hover {
      border-color: var(--border-strong);
      background: #EEF5F2;
    }
    .filter-bar .filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px dashed var(--border);
    }
    .filter-bar .filter-tag {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 12px;
      font-weight: 500;
      color: var(--text-muted);
      background: var(--bg);
      padding: 5px 12px;
      border-radius: 14px;
      border: 1px solid var(--border);
      cursor: pointer;
      transition: all var(--transition);
      user-select: none;
    }
    .filter-bar .filter-tag:hover {
      border-color: var(--primary);
      color: var(--primary);
    }
    .filter-bar .filter-tag.active {
      background: var(--primary-light);
      border-color: var(--primary);
      color: var(--primary-dark);
      font-weight: 600;
    }

    /* 卡片网格 */
    .skin-card-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
      margin-bottom: 32px;
    }
    .skin-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
      display: flex;
      flex-direction: column;
    }
    .skin-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-5px);
      border-color: var(--primary);
    }
    .skin-card .card-img-wrap {
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #EDF2F0;
    }
    .skin-card .card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 400ms ease;
    }
    .skin-card:hover .card-img-wrap img {
      transform: scale(1.04);
    }
    .skin-card .rarity-tag {
      position: absolute;
      top: 10px;
      left: 10px;
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      letter-spacing: 0.04em;
      background: rgba(255,255,255,0.92);
      color: var(--text);
      box-shadow: 0 1px 4px rgba(0,0,0,0.12);
    }
    .skin-card .rarity-tag.rarity-covert {
      background: rgba(227,169,59,0.92);
      color: #3D2B05;
    }
    .skin-card .rarity-tag.rarity-restricted {
      background: rgba(15,123,108,0.88);
      color: #fff;
    }
    .skin-card .rarity-tag.rarity-classified {
      background: rgba(192,106,78,0.88);
      color: #fff;
    }
    .skin-card .card-body {
      padding: 16px 18px 18px;
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .skin-card .card-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      margin: 0;
      line-height: 1.4;
    }
    .skin-card .card-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      align-items: center;
      font-size: 13px;
      color: var(--text-muted);
    }
    .skin-card .wear-tag {
      font-size: 12px;
      font-weight: 500;
      color: var(--text-muted);
      background: var(--bg);
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid var(--border);
    }
    .skin-card .card-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: auto;
      padding-top: 12px;
      border-top: 1px solid var(--border);
    }
    .skin-card .price {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-dark);
    }
    .skin-card .price .rmb {
      font-size: 12px;
      font-weight: 500;
      color: var(--text-muted);
      margin-right: 2px;
    }
    .skin-card .btn-detail {
      display: inline-block;
      padding: 7px 14px;
      font-size: 13px;
      font-weight: 600;
      border: 1px solid var(--primary);
      color: var(--primary);
      border-radius: 6px;
      text-decoration: none;
      transition: background var(--transition), color var(--transition);
      white-space: nowrap;
    }
    .skin-card .btn-detail:hover {
      background: var(--primary);
      color: #fff;
    }

    /* 分页 */
    .category-pagination {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }
    .category-pagination .page-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 40px;
      height: 40px;
      padding: 0 12px;
      border: 1px solid var(--border);
      border-radius: 6px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text);
      background: var(--card);
      cursor: pointer;
      transition: all var(--transition);
      text-decoration: none;
      font-family: var(--font-family);
    }
    .category-pagination .page-btn:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--primary-light);
    }
    .category-pagination .page-btn.active {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
      font-weight: 700;
    }
    .category-pagination .page-btn.disabled {
      opacity: 0.45;
      pointer-events: none;
    }
    .category-pagination .load-more-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 28px;
      border: 1px dashed var(--border-strong);
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
      background: transparent;
      cursor: pointer;
      transition: all var(--transition);
      font-family: var(--font-family);
    }
    .category-pagination .load-more-btn:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--primary-light);
    }

    /* 预CTA */
    .pre-cta {
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #1B5C50 100%);
      border-radius: var(--radius-lg);
      padding: 48px 40px;
      text-align: center;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }
    .pre-cta::before {
      content: "";
      position: absolute;
      top: -40%;
      right: -15%;
      width: 380px;
      height: 380px;
      background: rgba(227,169,59,0.14);
      border-radius: 50%;
      pointer-events: none;
    }
    .pre-cta::after {
      content: "";
      position: absolute;
      bottom: -30%;
      left: -10%;
      width: 280px;
      height: 280px;
      background: rgba(255,255,255,0.06);
      border-radius: 50%;
      pointer-events: none;
    }
    .pre-cta h2 {
      font-size: 26px;
      font-weight: 700;
      color: #FFFFFF;
      margin: 0 0 12px;
      position: relative;
      z-index: 1;
      line-height: 1.3;
    }
    .pre-cta p {
      font-size: 16px;
      color: rgba(255,255,255,0.82);
      margin: 0 auto 26px;
      max-width: 560px;
      line-height: 1.7;
      position: relative;
      z-index: 1;
    }
    .pre-cta .cta-actions {
      display: flex;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
      position: relative;
      z-index: 1;
    }
    .pre-cta .cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 13px 30px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      text-decoration: none;
      transition: all var(--transition);
      font-family: var(--font-family);
      border: none;
    }
    .pre-cta .cta-btn.primary {
      background: var(--accent);
      color: #2D1F04;
    }
    .pre-cta .cta-btn.primary:hover {
      background: var(--accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(227,169,59,0.35);
    }
    .pre-cta .cta-btn.ghost {
      background: transparent;
      color: #fff;
      border: 1px solid rgba(255,255,255,0.45);
    }
    .pre-cta .cta-btn.ghost:hover {
      background: rgba(255,255,255,0.1);
      border-color: rgba(255,255,255,0.7);
    }

    /* 响应式 */
    @media (max-width: 1024px) {
      .skin-card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
      }
      .category-header {
        padding: 28px 24px;
      }
      .category-header h1 {
        font-size: 26px;
      }
      .category-header .cat-stats {
        gap: 20px;
      }
      .filter-bar .filter-group {
        min-width: 120px;
      }
    }

    @media (max-width: 640px) {
      .category-main {
        padding-top: 16px;
        padding-bottom: 40px;
      }
      .category-header {
        padding: 22px 18px;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }
      .category-header h1 {
        font-size: 22px;
      }
      .category-header .cat-stats {
        width: 100%;
        justify-content: space-between;
        gap: 12px;
      }
      .category-header .cat-stat .num {
        font-size: 22px;
      }
      .category-intro {
        padding: 18px 16px;
      }
      .category-intro p {
        font-size: 15px;
        line-height: 1.7;
      }
      .filter-bar {
        padding: 16px 14px;
      }
      .filter-bar .filter-row {
        gap: 10px;
      }
      .filter-bar .filter-group {
        min-width: 100%;
        flex-wrap: wrap;
      }
      .filter-bar select,
      .filter-bar input[type="text"] {
        min-width: 100%;
      }
      .filter-bar .filter-actions {
        width: 100%;
        justify-content: stretch;
      }
      .filter-bar .btn-filter {
        flex: 1;
        text-align: center;
      }
      .skin-card-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .skin-card .card-title {
        font-size: 15px;
      }
      .category-pagination {
        gap: 6px;
      }
      .category-pagination .page-btn {
        min-width: 36px;
        height: 36px;
        padding: 0 8px;
        font-size: 13px;
      }
      .pre-cta {
        padding: 32px 20px;
      }
      .pre-cta h2 {
        font-size: 21px;
      }
      .pre-cta p {
        font-size: 14px;
      }
      .pre-cta .cta-btn {
        padding: 11px 22px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
      }
      .pre-cta .cta-actions {
        flex-direction: column;
      }
    }

    @media (max-width: 360px) {
      .category-header h1 {
        font-size: 19px;
      }
      .skin-card .card-body {
        padding: 12px 14px 14px;
      }
      .skin-card .price {
        font-size: 16px;
      }
      .filter-bar .filter-tag {
        font-size: 11px;
        padding: 4px 10px;
      }
    }

/* roulang page: category3 */
:root {
            --primary: #0F7B6C;
            --primary-dark: #0A5F53;
            --primary-light: #E8F4F1;
            --accent: #E3A93B;
            --accent-dark: #C78F24;
            --bg: #F4F8F7;
            --bg-warm: #EDF4F2;
            --card: #FFFFFF;
            --text: #1C2B28;
            --text-muted: #5A6E69;
            --text-light: #8AA19B;
            --border: #E3EAE8;
            --border-strong: #C8D5D1;
            --danger: #C0564A;
            --danger-bg: #FBF1EF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10), 0 4px 8px rgba(0, 0, 0, 0.05);
            --transition: 180ms ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

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

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

        /* ========== Header / Nav ========== */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

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

        .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }

        .brand-icon i {
            font-size: 18px;
        }

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

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            flex-shrink: 1;
        }

        .nav-links li {
            list-style: none;
            margin: 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

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

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

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

        .nav-search {
            display: flex;
            align-items: center;
            background: #F0F5F4;
            border-radius: 24px;
            padding: 0 14px;
            height: 38px;
            gap: 8px;
            border: 1px solid transparent;
            transition: border-color var(--transition), box-shadow var(--transition);
            min-width: 180px;
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 123, 108, 0.15);
            background: #FFFFFF;
        }

        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text);
            width: 100%;
            line-height: 1.4;
        }

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

        .search-icon {
            color: var(--text-light);
            font-size: 14px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

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

        .btn-accent {
            background: var(--accent);
            color: #FFFFFF;
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }

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

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

        .btn-outline:hover {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: var(--shadow-sm);
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 17px;
            border-radius: var(--radius-md);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(15, 123, 108, 0.35);
            outline-offset: 2px;
        }

        .btn:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 38px;
            height: 38px;
            padding: 8px 6px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border);
            padding: 18px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
            list-style: none;
        }

        .breadcrumb li {
            list-style: none;
            margin: 0;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 8px;
            color: var(--border-strong);
        }

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

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

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

        /* ========== Category Header ========== */
        .category-hero {
            background: linear-gradient(135deg, rgba(15, 123, 108, 0.08) 0%, rgba(227, 169, 59, 0.06) 100%);
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 52px 0 44px;
            position: relative;
            border-bottom: 1px solid var(--border);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(28, 43, 40, 0.75) 0%, rgba(28, 43, 40, 0.55) 100%);
            z-index: 1;
        }

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

        .category-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .category-hero .category-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.7;
            max-width: 660px;
            margin-bottom: 20px;
        }

        .category-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 8px;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            font-weight: 500;
        }

        .hero-stat-item i {
            color: var(--accent);
            font-size: 16px;
        }

        .hero-stat-item .stat-num {
            font-weight: 700;
            color: #FFFFFF;
            font-size: 16px;
        }

        /* ========== Category Description ========== */
        .category-intro {
            padding: 40px 0 24px;
        }

        .category-intro .intro-text {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-muted);
            margin-bottom: 16px;
            padding: 18px 22px;
            background: var(--card);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .category-intro .intro-text strong {
            color: var(--text);
            font-weight: 600;
        }

        /* ========== Filter / Sort Toolbar ========== */
        .filter-section {
            padding: 8px 0 24px;
        }

        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            padding: 16px 18px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .filter-select {
            padding: 7px 14px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: #FFFFFF;
            color: var(--text);
            cursor: pointer;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
            min-width: 120px;
        }

        .filter-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 123, 108, 0.15);
        }

        .filter-chip-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-left: auto;
        }

        .filter-chip {
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 20px;
            background: var(--bg-warm);
            border: 1px solid var(--border);
            color: var(--text-muted);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

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

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

        /* ========== Card Grid ========== */
        .card-grid-section {
            padding: 8px 0 36px;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

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

        .loot-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .loot-card .card-image {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--bg-warm);
        }

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

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

        .rarity-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 700;
            border-radius: 20px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .rarity-badge.legendary {
            background: #E3A93B;
            color: #1C2B28;
        }

        .rarity-badge.ancient {
            background: #C0564A;
            color: #FFFFFF;
        }

        .rarity-badge.rare {
            background: #0F7B6C;
            color: #FFFFFF;
        }

        .rarity-badge.covert {
            background: #5B4A9E;
            color: #FFFFFF;
        }

        .wear-badge {
            position: absolute;
            bottom: 12px;
            right: 12px;
            z-index: 2;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 600;
            border-radius: 4px;
            background: rgba(28, 43, 40, 0.75);
            color: #FFFFFF;
            letter-spacing: 0.3px;
        }

        .loot-card .card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .loot-card .card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin: 0;
        }

        .loot-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .loot-card .card-meta .price {
            font-weight: 700;
            color: var(--accent-dark);
            font-size: 15px;
        }

        .loot-card .card-meta .condition {
            color: var(--text-light);
        }

        .loot-card .card-actions {
            display: flex;
            gap: 8px;
            margin-top: auto;
            padding-top: 10px;
        }

        /* ========== Pagination ========== */
        .pagination-section {
            padding: 8px 0 40px;
        }

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

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--border);
            background: var(--card);
            color: var(--text-muted);
            transition: all var(--transition);
        }

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

        .pagination .current {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            font-weight: 700;
        }

        /* ========== Value Disclaimer ========== */
        .value-section {
            padding: 32px 0;
        }

        .value-panel {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 20px 22px;
            border-radius: var(--radius-md);
            background: var(--danger-bg);
            border: 1px solid #F0D7D2;
            max-width: 100%;
        }

        .value-panel i {
            font-size: 20px;
            color: var(--danger);
            flex-shrink: 0;
            margin-top: 3px;
        }

        .value-panel .value-text {
            font-size: 14px;
            color: #6B3F38;
            line-height: 1.7;
        }

        .value-panel .value-text strong {
            font-weight: 700;
            color: #5A3530;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 32px 0 40px;
        }

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

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            gap: 12px;
            transition: background var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            background: var(--bg-warm);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 14px;
            transition: transform var(--transition);
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #FFFFFF;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 20px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 40px 0 48px;
        }

        .cta-panel {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #1A9B86 100%);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(227, 169, 59, 0.15);
            pointer-events: none;
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: 15%;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            flex: 1;
            min-width: 240px;
        }

        .cta-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-width: 220px;
        }

        .cta-actions .btn {
            justify-content: center;
        }

        .cta-actions .btn-accent {
            background: var(--accent);
            border-color: var(--accent);
            color: #FFFFFF;
            font-weight: 700;
        }

        .cta-actions .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
        }

        .cta-actions .btn-white-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.75);
            color: #FFFFFF;
        }

        .cta-actions .btn-white-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #16332D;
            color: rgba(255, 255, 255, 0.85);
            padding: 52px 0 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .footer-brand .brand-text {
            color: #FFFFFF;
            font-size: 20px;
            margin-bottom: 12px;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

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

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

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

        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .footer-bottom .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom .risk-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.6;
            max-width: 520px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

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

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

            .cta-panel {
                padding: 32px 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-container {
                height: 60px;
                gap: 10px;
            }

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

            .nav-links {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 20px;
                gap: 2px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 99;
            }

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

            .nav-links a {
                padding: 12px 0;
                font-size: 16px;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }

            .nav-links a:last-child {
                border-bottom: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-search {
                min-width: 0;
                width: 40px;
                padding: 0 10px;
                justify-content: center;
            }

            .nav-search input {
                display: none;
            }

            .nav-right .btn {
                padding: 8px 14px;
                font-size: 13px;
            }

            .category-hero {
                padding: 36px 0 32px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero .category-subtitle {
                font-size: 16px;
            }

            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }

            .filter-chip-group {
                margin-left: 0;
                justify-content: flex-start;
            }

            .cta-panel {
                flex-direction: column;
                text-align: center;
                padding: 26px 20px;
            }

            .cta-actions {
                width: 100%;
                max-width: 320px;
                margin: 0 auto;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .category-hero h1 {
                font-size: 24px;
            }

            .hero-stats {
                flex-direction: column;
                gap: 8px;
            }

            .breadcrumb-section {
                padding: 12px 0;
            }

            .breadcrumb {
                font-size: 13px;
            }

            .pagination a,
            .pagination span {
                min-width: 34px;
                height: 34px;
                font-size: 13px;
                padding: 0 8px;
            }

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

/* roulang page: category4 */
:root {
            --primary: #0F7B6C;
            --primary-dark: #0A5D52;
            --primary-light: #E6F4F1;
            --accent: #E3A93B;
            --accent-dark: #C88F28;
            --bg: #F4F8F7;
            --bg-warm: #FAF6F0;
            --card: #FFFFFF;
            --text: #1C2B28;
            --text-muted: #5A6E69;
            --text-light: #8BA39C;
            --border: #E3EAE8;
            --border-strong: #CBDCD6;
            --danger: #C45A3C;
            --danger-bg: #FDF1EC;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 6px 16px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
        }

        *, *::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: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input, select {
            font-family: inherit;
            font-size: 15px;
        }

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

        .section {
            padding: 64px 0;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 720px;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header .section-title {
            margin-bottom: 8px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            line-height: 1.5;
            white-space: nowrap;
        }

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

        .badge-accent {
            background: #FDF6E8;
            color: var(--accent-dark);
        }

        .badge-danger {
            background: var(--danger-bg);
            color: var(--danger);
        }

        .badge-outline {
            background: transparent;
            color: var(--text-muted);
            border: 1px solid var(--border-strong);
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            line-height: 1.5;
            letter-spacing: 0.3px;
            background: var(--bg);
            color: var(--text-muted);
            border: 1px solid var(--border);
        }

        .tag-rare {
            background: #FDF6E8;
            color: var(--accent-dark);
            border-color: #F0D9A8;
        }

        .tag-mythic {
            background: #F3EEFA;
            color: #6C4A9E;
            border-color: #D5C8E8;
        }

        .tag-common {
            background: #EFF4F3;
            color: var(--text-muted);
            border-color: var(--border);
        }

        /* ========== Header / Nav ========== */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            min-height: 68px;
            display: flex;
            align-items: center;
        }

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

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

        .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }

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

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }

        .nav-links li {
            position: relative;
        }

        .nav-links a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

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

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

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

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

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

        .nav-search input {
            width: 180px;
            height: 38px;
            border-radius: 20px;
            border: 1px solid var(--border);
            background: var(--bg);
            padding: 0 36px 0 16px;
            font-size: 14px;
            transition: all var(--transition);
            color: var(--text);
        }

        .nav-search input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(15,123,108,0.12);
            width: 200px;
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 8px;
            border: none;
            line-height: 1.5;
            transition: all var(--transition);
            text-decoration: none;
            letter-spacing: 0.3px;
            min-height: 40px;
            cursor: pointer;
        }

        .btn:hover {
            text-decoration: none;
        }

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

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

        .btn-accent {
            background: var(--accent);
            color: #1C2B28;
            box-shadow: var(--shadow-sm);
        }

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

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

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

        .btn-sm {
            font-size: 13px;
            padding: 7px 16px;
            min-height: 32px;
            border-radius: 6px;
        }

        .btn-lg {
            font-size: 17px;
            padding: 14px 32px;
            min-height: 48px;
            border-radius: 10px;
        }

        .btn-block {
            width: 100%;
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            padding: 4px;
            border-radius: var(--radius-sm);
            line-height: 1;
        }

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

        /* ========== Hero ========== */
        .hero-category {
            background: linear-gradient(180deg, var(--bg) 0%, var(--bg-warm) 100%);
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(15,123,108,0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(227,169,59,0.10) 0%, transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-light);
            font-size: 12px;
        }

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

        .hero-category-inner {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-category-content h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

        .hero-category-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 20px;
            max-width: 520px;
        }

        .hero-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 22px;
        }

        .hero-stat {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            min-width: 100px;
            box-shadow: var(--shadow-sm);
        }

        .hero-stat .stat-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.4;
        }

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

        .hero-progress-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
        }

        .hero-progress-card .ring-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .ring-wrapper svg {
            width: 140px;
            height: 140px;
            transform: rotate(-90deg);
        }

        .ring-wrapper .ring-bg {
            fill: none;
            stroke: var(--border);
            stroke-width: 10;
        }

        .ring-wrapper .ring-fg {
            fill: none;
            stroke: var(--primary);
            stroke-width: 10;
            stroke-linecap: round;
            transition: stroke-dashoffset 1s ease;
        }

        .ring-wrapper .ring-accent {
            fill: none;
            stroke: var(--accent);
            stroke-width: 4;
            stroke-linecap: round;
        }

        .ring-center {
            position: absolute;
            text-align: center;
        }

        .ring-center .ring-percent {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
        }

        .ring-center .ring-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-progress-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .hero-progress-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .tier-preview {
            display: flex;
            gap: 8px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .tier-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 16px;
            background: var(--bg);
            color: var(--text-muted);
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: default;
        }

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

        .tier-chip.highlight {
            background: #FDF6E8;
            border-color: #F0D9A8;
            color: var(--accent-dark);
        }

        /* ========== Filter Toolbar ========== */
        .filter-section {
            background: var(--card);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 68px;
            z-index: 50;
        }

        .filter-toolbar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .filter-select {
            height: 34px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--bg);
            padding: 0 28px 0 12px;
            font-size: 13px;
            color: var(--text);
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%235A6E69' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            transition: all var(--transition);
            min-width: 100px;
        }

        .filter-select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15,123,108,0.12);
        }

        .filter-reset {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--text-muted);
            background: none;
            border: none;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            flex-shrink: 0;
        }

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

        .filter-count {
            font-size: 13px;
            color: var(--text-light);
            margin-left: auto;
            white-space: nowrap;
        }

        /* ========== Card Grid ========== */
        .card-grid-section {
            padding: 40px 0 64px;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

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

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

        .skin-card .card-image-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--bg);
        }

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

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

        .skin-card .card-tag-top {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
        }

        .skin-card .card-tag-bottom {
            position: absolute;
            bottom: 10px;
            right: 10px;
            z-index: 2;
        }

        .skin-card .card-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .skin-card .card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .skin-card .card-sub {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .skin-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }

        .skin-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .skin-card .card-price {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
        }

        .skin-card .card-price .unit {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
        }

        .load-more-wrap {
            text-align: center;
            margin-top: 32px;
        }

        /* ========== Feature Section ========== */
        .feature-section {
            background: var(--bg-warm);
            padding: 64px 0;
        }

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

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

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

        .feature-card .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.4;
        }

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

        /* ========== Process Steps ========== */
        .process-section {
            padding: 64px 0;
        }

        .process-steps {
            display: flex;
            align-items: flex-start;
            gap: 0;
            margin-top: 32px;
            position: relative;
        }

        .process-step {
            flex: 1;
            text-align: center;
            padding: 0 12px;
            position: relative;
        }

        .process-step .step-dot {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--card);
            border: 2px solid var(--border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-muted);
            margin: 0 auto 12px;
            transition: all var(--transition);
            position: relative;
            z-index: 2;
        }

        .process-step.active .step-dot {
            border-color: var(--primary);
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 0 0 4px rgba(15,123,108,0.15);
        }

        .process-step.completed .step-dot {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary-dark);
        }

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

        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .process-connector {
            position: absolute;
            top: 24px;
            left: 50%;
            right: -50%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }

        .process-connector.active {
            background: var(--primary);
        }

        .process-step:last-child .process-connector {
            display: none;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-warm);
            padding: 64px 0;
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            background: none;
            border: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.5;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--text-muted);
            transition: all var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease;
        }

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

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(227,169,59,0.15);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            pointer-events: none;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255,255,255,0.85);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.75;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-actions .btn-accent {
            box-shadow: 0 4px 16px rgba(227,169,59,0.35);
        }

        .cta-actions .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255,255,255,0.5);
        }

        .cta-actions .btn-outline-light:hover {
            background: rgba(255,255,255,0.12);
            border-color: #FFFFFF;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #16201E;
            color: rgba(255,255,255,0.85);
            padding: 48px 0 24px;
            flex-shrink: 0;
        }

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

        .footer-brand .brand-text {
            color: #FFFFFF;
            font-size: 18px;
            margin-bottom: 10px;
        }

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

        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            transition: color var(--transition);
            line-height: 1.5;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom .copyright {
            font-size: 13px;
            color: rgba(255,255,255,0.5);
        }

        .footer-bottom .risk-note {
            font-size: 12px;
            color: rgba(255,255,255,0.4);
            max-width: 600px;
            line-height: 1.6;
        }

        /* ========== Brand Intro Block ========== */
        .brand-intro-section {
            background: var(--card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 48px 0;
        }

        .brand-intro-card {
            background: linear-gradient(135deg, var(--bg) 0%, #FFFFFF 60%);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .brand-intro-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-category-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .card-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

            .process-steps {
                flex-wrap: wrap;
                gap: 20px;
            }

            .process-step {
                flex: 0 0 calc(33.33% - 14px);
                text-align: left;
                padding: 0;
            }

            .process-step .step-dot {
                margin: 0 0 10px;
            }

            .process-connector {
                display: none;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .section-sm {
                padding: 32px 0;
            }

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

            .site-header .container {
                flex-wrap: wrap;
                gap: 8px;
                padding: 8px 16px;
            }

            .brand-text {
                font-size: 16px;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #FFFFFF;
                border-top: 1px solid var(--border);
                padding: 8px 0;
                gap: 0;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                box-shadow: var(--shadow-md);
                z-index: 99;
                max-height: 360px;
                overflow-y: auto;
            }

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

            .nav-links a {
                padding: 12px 20px;
                font-size: 15px;
                border-bottom: 1px solid var(--border);
                border-radius: 0;
            }

            .nav-links a.active::after {
                display: none;
            }

            .nav-links a.active {
                background: var(--primary-light);
                border-left: 3px solid var(--primary);
            }

            .hamburger {
                display: block;
            }

            .nav-right {
                margin-left: auto;
            }

            .nav-search input {
                width: 140px;
            }

            .nav-search input:focus {
                width: 160px;
            }

            .hero-category {
                padding: 32px 0 40px;
            }

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

            .hero-stats {
                gap: 10px;
            }

            .hero-stat {
                padding: 10px 14px;
                min-width: 80px;
            }

            .hero-stat .stat-value {
                font-size: 17px;
            }

            .filter-toolbar {
                gap: 8px;
            }

            .filter-count {
                margin-left: 0;
                width: 100%;
            }

            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .skin-card .card-body {
                padding: 12px 14px;
            }

            .skin-card .card-title {
                font-size: 14px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .process-steps {
                flex-direction: column;
                gap: 16px;
            }

            .process-step {
                flex: 1 1 auto;
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 12px;
            }

            .process-step .step-dot {
                margin: 0;
                flex-shrink: 0;
            }

            .cta-inner h2 {
                font-size: 24px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

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

            .hero-stats {
                flex-direction: column;
                gap: 6px;
            }

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

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

            .ring-wrapper svg {
                width: 110px;
                height: 110px;
            }

            .ring-center .ring-percent {
                font-size: 20px;
            }

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

            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }

            .filter-group {
                justify-content: space-between;
            }

            .filter-select {
                min-width: 0;
                flex: 1;
            }

            .tier-preview {
                gap: 4px;
            }

            .tier-chip {
                font-size: 11px;
                padding: 4px 10px;
            }

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

            .btn-lg {
                font-size: 15px;
                padding: 12px 24px;
                min-height: 42px;
            }

            .brand-intro-card {
                padding: 20px;
            }

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

/* roulang page: category5 */
:root {
            --primary: #0F7B6C;
            --primary-dark: #0B5D52;
            --primary-light: #E5F2F0;
            --accent: #E3A93B;
            --accent-dark: #C48F2B;
            --bg: #F4F8F7;
            --bg-warm: #FBF7EF;
            --card: #FFFFFF;
            --text: #1C2B28;
            --text-muted: #5A6E69;
            --text-light: #8AA39D;
            --border: #E3EAE8;
            --border-strong: #C9D6D2;
            --danger: #B84C4C;
            --danger-bg: #F9ECEC;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 6px 16px rgba(0,0,0,0.10);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --container-max: 1200px;
        }

        /* 分类页基础重置 */
        .category-page {
            background: var(--bg);
            font-family: var(--font-family);
            color: var(--text);
            line-height: 1.7;
        }

        /* 面包屑 */
        .breadcrumb-bar {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb-bar .breadcrumb-list {
            list-style: none;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin: 0;
            padding: 0;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-bar .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-bar .breadcrumb-list li + li::before {
            content: '/';
            color: var(--border-strong);
            font-size: 13px;
        }
        .breadcrumb-bar .breadcrumb-list a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb-bar .breadcrumb-list a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .breadcrumb-list .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* 分类标题区 */
        .category-hero {
            background: linear-gradient(135deg, #0F7B6C 0%, #0B5D52 55%, #0A4D44 100%);
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(227,169,59,0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            left: -60px;
            bottom: -100px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            color: #FFFFFF;
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }
        .category-hero .hero-subtitle {
            color: rgba(255,255,255,0.85);
            font-size: 17px;
            line-height: 1.8;
            max-width: 720px;
            margin: 0 0 20px;
        }
        .category-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 22px;
        }
        .category-hero .hero-stat {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-md);
            padding: 14px 22px;
            min-width: 120px;
            backdrop-filter: blur(8px);
        }
        .category-hero .hero-stat .stat-value {
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .category-hero .hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.75);
            margin-top: 4px;
        }

        /* 磨损等级说明条 */
        .wear-tier-section {
            padding: 60px 0 40px;
            background: var(--bg);
        }
        .section-heading {
            margin-bottom: 32px;
        }
        .section-heading h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .section-heading p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0;
            max-width: 640px;
            line-height: 1.7;
        }
        .wear-tier-flow {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            align-items: stretch;
            position: relative;
        }
        .wear-tier-flow .tier-step {
            flex: 1;
            min-width: 150px;
            position: relative;
            padding: 0 8px;
        }
        .wear-tier-flow .tier-step:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 22px;
            right: -4px;
            width: 16px;
            height: 2px;
            background: var(--border-strong);
            z-index: 0;
        }
        .wear-tier-flow .tier-circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--card);
            border: 2px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            color: var(--text-muted);
            position: relative;
            z-index: 1;
            transition: all var(--transition);
            margin-bottom: 10px;
        }
        .wear-tier-flow .tier-step.active .tier-circle {
            border-color: var(--accent);
            background: var(--accent);
            color: #fff;
            box-shadow: 0 0 0 4px rgba(227,169,59,0.2);
        }
        .wear-tier-flow .tier-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
            line-height: 1.3;
        }
        .wear-tier-flow .tier-en {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.4;
        }
        .wear-tier-note {
            margin-top: 20px;
            background: var(--bg-warm);
            border: 1px solid #F0E5CE;
            border-radius: var(--radius-md);
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .wear-tier-note strong {
            color: var(--accent-dark);
            font-weight: 600;
        }

        /* 筛选工具条 */
        .filter-section {
            padding: 36px 0 28px;
            background: var(--bg);
        }
        .filter-bar {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: flex-end;
        }
        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
            min-width: 160px;
        }
        .filter-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }
        .filter-group select,
        .filter-group input {
            height: 40px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            font-size: 14px;
            color: var(--text);
            background: var(--bg);
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
            font-family: var(--font-family);
            -webkit-appearance: none;
            appearance: none;
        }
        .filter-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235A6E69' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 36px;
            cursor: pointer;
        }
        .filter-group select:focus,
        .filter-group input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15,123,108,0.12);
        }
        .filter-btn {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            font-family: var(--font-family);
            height: 40px;
            white-space: nowrap;
        }
        .filter-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .filter-btn:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .filter-reset {
            background: transparent;
            color: var(--text-muted);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            font-size: 13px;
            cursor: pointer;
            transition: all var(--transition);
            font-family: var(--font-family);
            height: 40px;
            white-space: nowrap;
        }
        .filter-reset:hover {
            border-color: var(--danger);
            color: var(--danger);
            background: var(--danger-bg);
        }

        /* 卡片网格 */
        .skin-grid-section {
            padding: 10px 0 40px;
            background: var(--bg);
        }
        .skin-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .skin-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .skin-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }
        .skin-card .card-image {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--bg-warm);
        }
        .skin-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform var(--transition);
        }
        .skin-card:hover .card-image img {
            transform: scale(1.04);
        }
        .skin-card .rarity-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(28,43,40,0.85);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            backdrop-filter: blur(4px);
        }
        .skin-card .wear-tag {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.02em;
        }
        .skin-card .card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .skin-card .skin-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.35;
        }
        .skin-card .skin-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .skin-card .skin-price {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-dark);
            margin-top: auto;
        }
        .skin-card .skin-price span {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-muted);
        }
        .skin-card .card-btn {
            margin-top: 10px;
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-sm);
            padding: 8px 0;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            font-family: var(--font-family);
            text-align: center;
            text-decoration: none;
            display: block;
        }
        .skin-card .card-btn:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .load-more-wrap {
            display: flex;
            justify-content: center;
            margin-top: 36px;
        }
        .load-more-btn {
            background: var(--card);
            border: 1px solid var(--border-strong);
            color: var(--text);
            border-radius: 30px;
            padding: 12px 36px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            font-family: var(--font-family);
            box-shadow: var(--shadow-sm);
        }
        .load-more-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        /* FAQ */
        .faq-section {
            padding: 56px 0 64px;
            background: var(--card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 8px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: color var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            transition: transform var(--transition), background var(--transition);
            font-weight: 700;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 280ms cubic-bezier(0.4, 0, 0.2, 1), padding 280ms ease;
            padding: 0 8px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 8px 18px;
        }

        /* CTA */
        .cta-section {
            padding: 64px 0 72px;
            background: linear-gradient(135deg, #0F7B6C 0%, #0B5D52 60%, #0A4D44 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            right: -60px;
            top: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(227,169,59,0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            left: -40px;
            bottom: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }
        .cta-copy {
            flex: 1;
            min-width: 280px;
        }
        .cta-copy h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .cta-copy p {
            color: rgba(255,255,255,0.85);
            font-size: 16px;
            line-height: 1.75;
            margin: 0;
            max-width: 540px;
        }
        .cta-form-card {
            flex: 0 0 360px;
            max-width: 400px;
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 26px 28px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255,255,255,0.3);
        }
        .cta-form-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 16px;
        }
        .cta-form-card .form-field {
            display: flex;
            flex-direction: column;
            gap: 5px;
            margin-bottom: 14px;
        }
        .cta-form-card .form-field label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
        }
        .cta-form-card .form-field input,
        .cta-form-card .form-field select {
            height: 42px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            font-size: 14px;
            color: var(--text);
            background: var(--bg);
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
            font-family: var(--font-family);
        }
        .cta-form-card .form-field input:focus,
        .cta-form-card .form-field select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15,123,108,0.12);
        }
        .cta-submit {
            width: 100%;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 0;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
            font-family: var(--font-family);
            letter-spacing: 0.03em;
        }
        .cta-submit:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .cta-submit:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .cta-subnote {
            font-size: 12px;
            color: var(--text-light);
            text-align: center;
            margin-top: 10px;
        }

        /* 响应式 */
        @media screen and (max-width: 1024px) {
            .skin-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
        }
        @media screen and (max-width: 768px) {
            .skin-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .category-hero {
                padding: 40px 0 48px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-subtitle {
                font-size: 15px;
            }
            .category-hero .hero-stats {
                gap: 16px;
            }
            .category-hero .hero-stat {
                padding: 10px 16px;
                min-width: 90px;
            }
            .category-hero .hero-stat .stat-value {
                font-size: 20px;
            }
            .wear-tier-flow {
                flex-direction: column;
                gap: 12px;
            }
            .wear-tier-flow .tier-step:not(:last-child)::after {
                display: none;
            }
            .wear-tier-flow .tier-step {
                display: flex;
                align-items: center;
                gap: 14px;
                padding: 0;
            }
            .wear-tier-flow .tier-circle {
                margin-bottom: 0;
                flex-shrink: 0;
            }
            .filter-bar {
                padding: 16px 18px;
                gap: 12px;
            }
            .filter-group {
                min-width: 130px;
            }
            .faq-section {
                padding: 40px 0 48px;
            }
            .cta-section {
                padding: 48px 0 56px;
            }
            .cta-inner {
                gap: 28px;
            }
            .cta-form-card {
                flex: 1 1 100%;
                max-width: 100%;
            }
            .cta-copy h2 {
                font-size: 24px;
            }
        }
        @media screen and (max-width: 520px) {
            .skin-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .breadcrumb-bar .breadcrumb-list {
                font-size: 12px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-group {
                min-width: 100%;
            }
            .filter-btn, .filter-reset {
                width: 100%;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .skin-card .skin-name {
                font-size: 15px;
            }
            .wear-tier-note {
                font-size: 13px;
                padding: 12px 14px;
            }
        }