/* roulang page: index */
:root {
            --color-primary: #1A4A2E;
            --color-primary-light: #2E6B45;
            --color-accent: #E8890C;
            --color-bg: #FAFAF7;
            --color-bg-alt: #F0F2ED;
            --color-surface: #FFFFFF;
            --color-text: #1D2A22;
            --color-text-muted: #5B6B60;
            --color-border: #DDE3DB;
            --color-nav-bg: #14251B;
            --color-focus-ring: #2E6B45;
            --radius-card: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 6px 18px rgba(0, 0, 0, 0.08);
            --border-card: 1px solid var(--color-border);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'SimHei', sans-serif;
            --transition-base: 0.2s ease;
            --section-padding-y: 80px;
            --section-padding-y-mobile: 48px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base), text-decoration-color var(--transition-base);
        }
        a:hover {
            color: var(--color-primary-light);
            text-decoration: underline;
            text-decoration-color: var(--color-primary-light);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-focus-ring);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航 */
        .site-header {
            background-color: var(--color-nav-bg);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
        }
        .nav-logo:hover {
            color: #fff;
            text-decoration: none;
        }
        .nav-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: #d0d8d2;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: background-color var(--transition-base), color var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .nav-links a.active {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.14);
            font-weight: 600;
        }
        .nav-cta {
            background-color: var(--color-accent);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            transition: background-color var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta:hover {
            background-color: #f59e0b;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            transition: background-color var(--transition-base);
            flex-shrink: 0;
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.25s ease;
        }
        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--color-nav-bg);
            padding: 8px 24px 20px 24px;
            gap: 4px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-nav a {
            color: #d0d8d2;
            font-size: 16px;
            font-weight: 500;
            padding: 12px 8px;
            border-radius: 8px;
            transition: background-color var(--transition-base), color var(--transition-base);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.1);
            text-decoration: none;
        }
        .mobile-nav .nav-cta {
            margin-top: 10px;
            justify-content: center;
            padding: 12px 20px;
            font-size: 15px;
        }

        /* Section 通用 */
        .section {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }
        .section-bg-alt {
            background-color: var(--color-bg-alt);
        }
        .section-bg-dark {
            background-color: var(--color-nav-bg);
            color: #fff;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
            line-height: 1.35;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.75;
            margin-bottom: 32px;
        }
        .section-bg-dark .section-title,
        .section-bg-dark .section-desc {
            color: #fff;
        }
        .section-bg-dark .section-desc {
            color: #c5d0c8;
        }

        /* Hero */
        .hero {
            background: linear-gradient(180deg, #f6f7f3 0%, var(--color-bg) 100%);
            padding-top: 48px;
            padding-bottom: 56px;
            border-bottom: 1px solid var(--color-border);
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content {
            max-width: 560px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(26, 74, 46, 0.08);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .hero-title {
            font-size: 40px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--color-text-muted);
            line-height: 1.75;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-primary);
            color: #fff;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background-color: var(--color-primary-light);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(26, 74, 46, 0.25);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid var(--color-primary);
            color: var(--color-primary);
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background-color: var(--color-bg-alt);
            color: var(--color-primary);
            text-decoration: none;
            transform: translateY(-1px);
        }
        .hero-media {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            border: 1px solid var(--color-border);
        }
        .hero-media img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            display: block;
            transition: transform 0.4s ease;
        }
        .hero-media:hover img {
            transform: scale(1.02);
        }
        .hero-float-card {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-radius: 10px;
            padding: 14px 18px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hero-float-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }
        .hero-float-text {
            font-size: 13px;
            color: var(--color-text);
            font-weight: 600;
            line-height: 1.4;
        }
        .hero-float-text span {
            display: block;
            font-weight: 400;
            color: var(--color-text-muted);
            font-size: 12px;
        }

        /* 卡片与网格 */
        .card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #c9d4cb;
            transform: translateY(-2px);
        }
        .card-pad {
            padding: 20px 22px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .card-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            background: rgba(26, 74, 46, 0.08);
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }
        .tag-accent {
            background: rgba(232, 137, 12, 0.1);
            color: #b56a00;
        }

        /* 指标卡 */
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .metric-card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            text-align: center;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #c9d4cb;
        }
        .metric-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .metric-value.accent {
            color: var(--color-accent);
        }
        .metric-label {
            font-size: 13px;
            color: var(--color-text);
            font-weight: 600;
            margin-top: 6px;
        }
        .metric-trend {
            font-size: 12px;
            font-weight: 600;
            margin-top: 6px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .trend-up {
            color: #2E6B45;
        }
        .trend-stable {
            color: #5B6B60;
        }
        .metric-updated {
            font-size: 11px;
            color: var(--color-text-muted);
            margin-top: 8px;
        }

        /* 服务矩阵 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-card-lg {
            grid-column: span 1;
            display: flex;
            flex-direction: column;
            min-height: 190px;
            padding: 24px;
        }
        .service-card-lg .card-title {
            font-size: 19px;
            margin-bottom: 6px;
        }
        .service-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(26, 74, 46, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: auto;
            padding-top: 10px;
        }
        .service-link::after {
            content: '→';
            transition: transform var(--transition-base);
        }
        .service-link:hover::after {
            transform: translateX(4px);
        }

        /* 结果对比 */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .compare-card {
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            background: var(--color-surface);
            box-shadow: var(--shadow-card);
        }
        .compare-card.highlight {
            border-color: var(--color-primary);
            background: rgba(26, 74, 46, 0.04);
        }
        .compare-card-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .compare-card-header .badge {
            font-size: 13px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 6px;
        }
        .badge-green {
            background: rgba(26, 74, 46, 0.12);
            color: var(--color-primary);
        }
        .badge-orange {
            background: rgba(232, 137, 12, 0.15);
            color: #b56a00;
        }
        .compare-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.6;
        }
        .compare-list li .icon-check {
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }
        .compare-list li .icon-x {
            color: #b56a00;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        /* 品牌介绍 */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .brand-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            border: 1px solid var(--color-border);
        }
        .brand-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            display: block;
        }
        .brand-text p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.85;
            margin-bottom: 14px;
            max-width: 520px;
        }

        /* 里程碑 */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 18px;
            position: relative;
            padding-left: 8px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: var(--color-border);
            border-radius: 2px;
        }
        .timeline-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            position: relative;
        }
        .timeline-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
            margin-top: 6px;
            box-shadow: 0 0 0 4px rgba(26, 74, 46, 0.12);
            z-index: 1;
        }
        .timeline-content {
            flex: 1;
            padding-bottom: 8px;
        }
        .timeline-year {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            letter-spacing: 0.03em;
        }
        .timeline-text {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* 资讯列表 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 18px 20px;
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #c9d4cb;
            transform: translateY(-1px);
        }
        .news-date-block {
            background: var(--color-nav-bg);
            color: #fff;
            border-radius: 10px;
            padding: 12px 14px;
            text-align: center;
            flex-shrink: 0;
            min-width: 68px;
        }
        .news-date-day {
            font-size: 24px;
            font-weight: 800;
            line-height: 1.1;
        }
        .news-date-month {
            font-size: 12px;
            font-weight: 500;
            opacity: 0.8;
        }
        .news-body {
            flex: 1;
        }
        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-summary {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .news-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-more::after {
            content: '→';
            transition: transform var(--transition-base);
        }
        .news-more:hover::after {
            transform: translateX(4px);
        }

        /* 平台保障 */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .guarantee-card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .guarantee-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .guarantee-icon {
            font-size: 28px;
            margin-bottom: 10px;
            display: block;
        }
        .guarantee-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .guarantee-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* 快速解答 */
        .quick-faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .quick-faq-item {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: 10px;
            padding: 16px 18px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base);
        }
        .quick-faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .quick-faq-q {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .quick-faq-a {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.65;
        }

        /* FAQ 手风琴 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: 10px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
            transition: background-color var(--transition-base);
        }
        .faq-question:hover {
            background: var(--color-bg-alt);
        }
        .faq-arrow {
            flex-shrink: 0;
            font-size: 16px;
            color: var(--color-primary);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px 22px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        /* 转化表单 */
        .form-section {
            background: var(--color-bg-alt);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .form-section .section-title {
            margin-bottom: 8px;
        }
        .form-section .section-desc {
            margin-bottom: 0;
        }
        .form-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .form-input,
        .form-select {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            background: #fff;
            font-size: 14px;
            color: var(--color-text);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
            appearance: none;
            -webkit-appearance: none;
        }
        .form-input:focus,
        .form-select:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 74, 46, 0.1);
            outline: none;
        }
        .form-select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%235B6B60'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }
        .btn-submit {
            width: 100%;
            background-color: var(--color-accent);
            color: #fff;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            transition: background-color var(--transition-base), transform var(--transition-base);
            letter-spacing: 0.02em;
        }
        .btn-submit:hover {
            background-color: #f59e0b;
            transform: translateY(-1px);
        }

        /* 生态入口 */
        .eco-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .eco-card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }
        .eco-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #c9d4cb;
        }
        .eco-icon {
            font-size: 30px;
            margin-bottom: 10px;
            display: block;
        }
        .eco-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .eco-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--color-nav-bg);
            color: #d0d8d2;
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.75;
            color: #a8b5ab;
            max-width: 360px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: #a8b5ab;
            font-size: 14px;
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #7d8a80;
        }
        .footer-bottom a {
            color: #a8b5ab;
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .metric-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .eco-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-inner {
                gap: 32px;
            }
            .hero-title {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-nav {
                display: flex;
            }
            .mobile-nav.hidden-nav {
                display: none;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-media img {
                height: 260px;
            }
            .hero-title {
                font-size: 28px;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-card-lg {
                min-height: auto;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-media img {
                height: 220px;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .quick-faq-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .form-section {
                grid-template-columns: 1fr;
                padding: 28px 20px;
                gap: 24px;
            }
            .eco-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .section {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-date-block {
                min-width: auto;
                display: inline-flex;
                gap: 6px;
                padding: 8px 12px;
                border-radius: 8px;
            }
            .news-date-day {
                font-size: 18px;
            }
            .news-date-month {
                font-size: 12px;
                align-self: center;
            }
        }

        @media (max-width: 520px) {
            .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-value {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-outline {
                justify-content: center;
            }
            .eco-grid {
                grid-template-columns: 1fr;
            }
            .timeline-item {
                gap: 16px;
            }
            .timeline-dot {
                width: 14px;
                height: 14px;
            }
            .timeline::before {
                left: 16px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1A4A2E;
            --color-primary-light: #2E6B45;
            --color-accent: #E8890C;
            --color-bg: #FAFAF7;
            --color-bg-alt: #F0F2ED;
            --color-surface: #FFFFFF;
            --color-text: #1D2A22;
            --color-text-muted: #5B6B60;
            --color-border: #DDE3DB;
            --color-nav-bg: #14251B;
            --color-focus-ring: #2E6B45;
            --radius-card: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 6px 18px rgba(0, 0, 0, 0.08);
            --border-card: 1px solid var(--color-border);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'SimHei', sans-serif;
            --transition-base: 0.2s ease;
            --section-padding-y: 80px;
            --section-padding-y-mobile: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base), text-decoration-color var(--transition-base);
        }
        a:hover {
            color: var(--color-primary-light);
            text-decoration: underline;
            text-decoration-color: var(--color-primary-light);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-focus-ring);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            background-color: var(--color-nav-bg);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
        }
        .nav-logo:hover {
            color: #fff;
            text-decoration: none;
        }
        .nav-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: #d0d8d2;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: background-color var(--transition-base), color var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .nav-links a.active {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.14);
            font-weight: 600;
        }
        .nav-cta {
            background-color: var(--color-accent);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            transition: background-color var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta:hover {
            background-color: #f59e0b;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            transition: background-color var(--transition-base);
            flex-shrink: 0;
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.25s ease;
        }
        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--color-nav-bg);
            padding: 0 24px 24px;
            gap: 4px;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            color: #d0d8d2;
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-weight: 500;
        }
        .mobile-nav a:hover {
            color: #fff;
            text-decoration: none;
        }
        .mobile-nav a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .mobile-nav .nav-cta {
            margin-top: 12px;
            justify-content: center;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            padding: 24px 0 0;
        }
        .breadcrumb a {
            color: var(--color-primary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span.separator {
            color: var(--color-border);
        }
        .breadcrumb span.current {
            color: var(--color-text-muted);
        }
        .page-hero {
            padding: 40px 0 32px;
            background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
            border-bottom: 1px solid var(--color-border);
        }
        .page-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .page-hero p {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.8;
        }
        .section {
            padding: var(--section-padding-y) 0;
        }
        .section-alt {
            background-color: var(--color-bg-alt);
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .player-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .player-card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .player-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary-light);
            transform: translateY(-2px);
        }
        .player-card-image {
            height: 180px;
            background-color: var(--color-bg-alt);
            position: relative;
            overflow: hidden;
        }
        .player-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .player-card-image .position-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(20, 37, 27, 0.85);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }
        .player-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .player-card-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .player-card-team {
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 500;
            margin-bottom: 12px;
        }
        .player-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
            margin-bottom: 14px;
            padding: 12px;
            background: var(--color-bg-alt);
            border-radius: 8px;
        }
        .player-stat {
            text-align: center;
        }
        .player-stat-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
        }
        .player-stat-label {
            font-size: 11px;
            color: var(--color-text-muted);
            margin-top: 2px;
        }
        .player-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
        }
        .player-card-link:hover {
            color: var(--color-primary-light);
            text-decoration: underline;
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }
        .filter-tag {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            color: var(--color-text-muted);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .filter-tag.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .highlight-card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .highlight-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }
        .highlight-label {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-top: 6px;
        }
        .data-source-box {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            box-shadow: var(--shadow-card);
        }
        .data-source-box h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .data-source-box p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }
        .cta-card {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .cta-card p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 520px;
        }
        .cta-btn {
            background: var(--color-accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: background-color var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-btn:hover {
            background: #f59e0b;
            transform: translateY(-2px);
            text-decoration: none;
            color: #fff;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 20px;
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .news-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary-light);
        }
        .news-date {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .news-date .day {
            font-size: 20px;
            line-height: 1;
        }
        .news-date .month {
            font-size: 12px;
            font-weight: 400;
        }
        .news-body {
            flex: 1;
            min-width: 0;
        }
        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
            display: block;
        }
        .news-title:hover {
            color: var(--color-primary);
        }
        .news-summary {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .news-read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
        }
        .news-read-more:hover {
            text-decoration: underline;
            color: var(--color-primary-light);
        }
        .site-footer {
            background-color: var(--color-nav-bg);
            color: #a8b5ab;
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #a8b5ab;
            max-width: 360px;
        }
        .footer-col-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: #a8b5ab;
            font-size: 14px;
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: #fff;
            text-decoration: none;
        }
        .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;
            font-size: 14px;
            color: #a8b5ab;
        }
        .footer-bottom a {
            color: #a8b5ab;
            font-weight: 500;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 1024px) {
            .player-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-cta.desktop-cta {
                display: none;
            }
            .section {
                padding: var(--section-padding-y-mobile) 0;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
            }
            .player-grid {
                grid-template-columns: 1fr;
            }
            .highlight-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .highlight-value {
                font-size: 28px;
            }
            .data-source-box {
                padding: 20px;
            }
            .news-item {
                flex-direction: column;
            }
            .news-date {
                width: 48px;
                height: 48px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
            }
            .filter-tag {
                padding: 6px 14px;
                font-size: 13px;
            }
            .player-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 4px;
                padding: 8px;
            }
            .player-stat-value {
                font-size: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category1 */
:root {
      --color-primary: #1A4A2E;
      --color-primary-light: #2E6B45;
      --color-accent: #E8890C;
      --color-bg: #FAFAF7;
      --color-bg-alt: #F0F2ED;
      --color-surface: #FFFFFF;
      --color-text: #1D2A22;
      --color-text-muted: #5B6B60;
      --color-border: #DDE3DB;
      --color-nav-bg: #14251B;
      --color-focus-ring: #2E6B45;
      --radius-card: 12px;
      --radius-btn: 10px;
      --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
      --shadow-card-hover: 0 6px 18px rgba(0, 0, 0, 0.08);
      --border-card: 1px solid var(--color-border);
      --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'SimHei', sans-serif;
      --transition-base: 0.2s ease;
      --section-padding-y: 80px;
      --section-padding-y-mobile: 48px;
    }

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

    body {
      font-family: var(--font-sans);
      background-color: var(--color-bg);
      color: var(--color-text);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

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

    a:hover {
      color: var(--color-primary-light);
      text-decoration: underline;
      text-decoration-color: var(--color-primary-light);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--color-focus-ring);
      outline-offset: 2px;
      border-radius: 4px;
    }

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

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

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 导航 */
    .site-header {
      background-color: var(--color-nav-bg);
      position: sticky;
      top: 0;
      z-index: 50;
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 68px;
      gap: 24px;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      color: #fff;
      font-weight: 700;
      font-size: 20px;
      letter-spacing: 0.02em;
    }

    .nav-logo:hover {
      color: #fff;
      text-decoration: none;
    }

    .nav-logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      flex-shrink: 0;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
    }

    .nav-links a {
      color: #d0d8d2;
      font-size: 15px;
      font-weight: 500;
      padding: 8px 14px;
      border-radius: 8px;
      transition: background-color var(--transition-base), color var(--transition-base);
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: #fff;
      background-color: rgba(255, 255, 255, 0.08);
      text-decoration: none;
    }

    .nav-links a.active {
      color: #fff;
      background-color: rgba(255, 255, 255, 0.14);
      font-weight: 600;
    }

    .nav-cta {
      background-color: var(--color-accent);
      color: #fff;
      padding: 10px 20px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      font-size: 14px;
      transition: background-color var(--transition-base), transform var(--transition-base);
      white-space: nowrap;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .nav-cta:hover {
      background-color: #f59e0b;
      color: #fff;
      text-decoration: none;
      transform: translateY(-1px);
    }

    .nav-hamburger {
      display: none;
      width: 40px;
      height: 40px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 8px;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      transition: background-color var(--transition-base);
      flex-shrink: 0;
    }

    .nav-hamburger:hover {
      background: rgba(255, 255, 255, 0.2);
    }

    .nav-hamburger span {
      display: block;
      width: 20px;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      transition: all 0.25s ease;
    }

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

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

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

    .mobile-nav {
      display: none;
      flex-direction: column;
      background-color: var(--color-nav-bg);
      padding: 12px 24px 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .mobile-nav a {
      color: #d0d8d2;
      font-size: 16px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      transition: color var(--transition-base);
    }

    .mobile-nav a:hover {
      color: #fff;
      text-decoration: none;
    }

    .mobile-nav a.active {
      color: #fff;
      font-weight: 600;
    }

    /* 面包屑 */
    .breadcrumb {
      font-size: 14px;
      color: var(--color-text-muted);
      padding: 16px 0;
    }

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

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

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

    /* 页面标题区 */
    .page-title-section {
      padding: 32px 0 24px;
      text-align: left;
    }

    .page-title-section h1 {
      font-size: 32px;
      font-weight: 700;
      color: var(--color-text);
      margin-bottom: 10px;
      letter-spacing: -0.01em;
    }

    .page-title-section .subtitle {
      font-size: 16px;
      color: var(--color-text-muted);
      max-width: 720px;
      line-height: 1.7;
    }

    /* 卡片通用 */
    .card {
      background-color: var(--color-surface);
      border: var(--border-card);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
      overflow: hidden;
    }

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

    .card-body {
      padding: 20px;
    }

    /* 标签 */
    .badge {
      display: inline-block;
      padding: 4px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 600;
      background-color: var(--color-bg-alt);
      color: var(--color-text-muted);
      border: 1px solid var(--color-border);
      transition: all var(--transition-base);
    }

    .badge.accent {
      background-color: rgba(232, 137, 12, 0.1);
      color: #b06b00;
      border-color: rgba(232, 137, 12, 0.3);
    }

    .badge.primary {
      background-color: rgba(26, 74, 46, 0.08);
      color: var(--color-primary);
      border-color: rgba(26, 74, 46, 0.25);
    }

    .badge.green {
      background-color: rgba(46, 107, 69, 0.1);
      color: #1A7A3B;
      border-color: rgba(46, 107, 69, 0.3);
    }

    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 500;
      color: var(--color-text-muted);
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--color-primary-light);
      flex-shrink: 0;
    }

    .status-dot.live {
      background-color: var(--color-accent);
      animation: pulse-dot 1.2s ease infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.4; }
    }

    /* 赛事卡片 */
    .match-card {
      border: var(--border-card);
      border-radius: var(--radius-card);
      background: var(--color-surface);
      box-shadow: var(--shadow-card);
      padding: 18px 20px;
      transition: box-shadow var(--transition-base), border-color var(--transition-base);
    }

    .match-card:hover {
      box-shadow: var(--shadow-card-hover);
      border-color: var(--color-primary-light);
    }

    .match-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 10px;
    }

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

    .match-card-league {
      font-size: 13px;
      color: var(--color-text-muted);
    }

    .match-card-versus {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin: 12px 0;
      font-size: 16px;
      font-weight: 600;
      color: var(--color-text);
    }

    .match-card-versus .team {
      flex: 1;
    }

    .match-card-versus .team:first-child {
      text-align: right;
    }

    .match-card-versus .team:last-child {
      text-align: left;
    }

    .match-card-versus .score {
      font-size: 18px;
      font-weight: 700;
      color: var(--color-primary);
      text-align: center;
      min-width: 52px;
    }

    .match-card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 8px;
    }

    /* 筛选标签条 */
    .filter-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 8px 0 16px;
    }

    .filter-tab {
      padding: 8px 16px;
      border-radius: 999px;
      border: 1px solid var(--color-border);
      background-color: var(--color-surface);
      font-size: 14px;
      font-weight: 500;
      color: var(--color-text-muted);
      transition: all var(--transition-base);
    }

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

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

    /* 排行快照 */
    .rank-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px solid var(--color-border);
      gap: 20px;
    }

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

    .rank-number {
      width: 28px;
      height: 28px;
      border-radius: 8px;
      background-color: var(--color-bg-alt);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--color-text-muted);
      flex-shrink: 0;
    }

    .rank-number.top {
      background-color: var(--color-accent);
      color: #fff;
    }

    .rank-info {
      flex: 1;
    }

    .rank-info .rank-title {
      font-weight: 600;
      color: var(--color-text);
    }

    .rank-info .rank-desc {
      font-size: 13px;
      color: var(--color-text-muted);
    }

    .rank-heat {
      font-weight: 700;
      color: var(--color-primary);
      flex-shrink: 0;
    }

    /* 更新说明 */
    .update-info-box {
      background-color: var(--color-bg-alt);
      border-left: 4px solid var(--color-primary);
      padding: 20px 24px;
      border-radius: 8px;
      font-size: 15px;
      color: var(--color-text-muted);
      line-height: 1.8;
    }

    .update-info-box strong {
      color: var(--color-text);
    }

    /* 订阅 CTA */
    .subscribe-cta {
      background-color: var(--color-primary);
      border-radius: var(--radius-card);
      padding: 32px;
      color: #fff;
      display: flex;
      flex-wrap: wrap;
      gap: 28px;
      align-items: center;
      justify-content: space-between;
    }

    .subscribe-cta-left {
      flex: 1;
      min-width: 260px;
    }

    .subscribe-cta-left h2 {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 8px;
      color: #fff;
    }

    .subscribe-cta-left p {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.7;
    }

    .subscribe-form {
      flex: 1;
      min-width: 280px;
      max-width: 420px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .subscribe-form input,
    .subscribe-form select {
      width: 100%;
      padding: 12px 16px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.35);
      background-color: rgba(255, 255, 255, 0.12);
      color: #fff;
      transition: border-color var(--transition-base), background-color var(--transition-base);
    }

    .subscribe-form input::placeholder {
      color: rgba(255, 255, 255, 0.65);
    }

    .subscribe-form input:focus,
    .subscribe-form select:focus {
      border-color: var(--color-accent);
      background-color: rgba(255, 255, 255, 0.2);
    }

    .subscribe-form select option {
      color: var(--color-text);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      font-size: 15px;
      transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
      text-decoration: none;
    }

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

    .btn-primary:hover {
      background-color: var(--color-primary-light);
      color: #fff;
      text-decoration: none;
      transform: translateY(-1px);
    }

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

    .btn-accent:hover {
      background-color: #f59e0b;
      color: #fff;
      text-decoration: none;
      transform: translateY(-1px);
    }

    .btn-outline-light {
      border: 1px solid rgba(255, 255, 255, 0.6);
      color: #fff;
      background: transparent;
    }

    .btn-outline-light:hover {
      background-color: rgba(255, 255, 255, 0.1);
      color: #fff;
      text-decoration: none;
    }

    .btn-sm {
      padding: 8px 16px;
      font-size: 14px;
      border-radius: 8px;
    }

    /* 相关资讯 */
    .news-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
      padding: 16px 0;
      border-bottom: 1px solid var(--color-border);
    }

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

    .news-thumb {
      width: 120px;
      height: 80px;
      border-radius: 8px;
      object-fit: cover;
      flex-shrink: 0;
    }

    .news-content {
      flex: 1;
    }

    .news-date {
      font-size: 13px;
      color: var(--color-text-muted);
      margin-bottom: 4px;
    }

    .news-title {
      font-weight: 600;
      color: var(--color-text);
      font-size: 16px;
      line-height: 1.5;
      margin-bottom: 6px;
    }

    .news-summary {
      font-size: 14px;
      color: var(--color-text-muted);
      line-height: 1.6;
    }

    .read-more {
      display: inline-block;
      margin-top: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--color-primary);
    }

    .read-more:hover {
      color: var(--color-primary-light);
      text-decoration: underline;
    }

    /* 页脚 */
    .site-footer {
      background-color: var(--color-nav-bg);
      color: #d0d8d2;
      padding: 48px 0 24px;
      margin-top: 64px;
    }

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

    .footer-brand-name {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }

    .footer-brand-desc {
      font-size: 14px;
      color: #a8b5ab;
      line-height: 1.7;
    }

    .footer-col-title {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links li a {
      color: #a8b5ab;
      transition: color var(--transition-base);
    }

    .footer-links li a:hover {
      color: #fff;
      text-decoration: none;
    }

    .footer-bottom {
      margin-top: 32px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 14px;
      color: #a8b5ab;
    }

    .footer-bottom a {
      color: #d0d8d2;
    }

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

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

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .nav-cta {
        display: none;
      }
      .nav-hamburger {
        display: flex;
      }
      .mobile-nav {
        display: flex;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
        padding-top: 0;
        padding-bottom: 0;
      }
      .mobile-nav.open {
        max-height: 420px;
        padding: 12px 24px 20px;
      }
      .section-padding-y {
        padding: 48px 0;
      }
      .subscribe-cta {
        flex-direction: column;
        align-items: stretch;
      }
      .subscribe-form {
        max-width: 100%;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .page-title-section h1 {
        font-size: 26px;
      }
      .news-item {
        flex-direction: column;
      }
      .news-thumb {
        width: 100%;
        height: auto;
        max-height: 180px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
      .match-card-versus {
        flex-direction: column;
        gap: 8px;
        text-align: center;
      }
      .match-card-versus .team:first-child,
      .match-card-versus .team:last-child {
        text-align: center;
      }
      .match-card-versus .score {
        min-width: auto;
      }
    }

/* roulang page: category2 */
:root {
            --color-primary: #1A4A2E;
            --color-primary-light: #2E6B45;
            --color-accent: #E8890C;
            --color-bg: #FAFAF7;
            --color-bg-alt: #F0F2ED;
            --color-surface: #FFFFFF;
            --color-text: #1D2A22;
            --color-text-muted: #5B6B60;
            --color-border: #DDE3DB;
            --color-nav-bg: #14251B;
            --color-focus-ring: #2E6B45;
            --radius-card: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 6px 18px rgba(0, 0, 0, 0.08);
            --border-card: 1px solid var(--color-border);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'SimHei', sans-serif;
            --transition-base: 0.2s ease;
            --section-padding-y: 80px;
            --section-padding-y-mobile: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base), text-decoration-color var(--transition-base);
        }
        a:hover {
            color: var(--color-primary-light);
            text-decoration: underline;
            text-decoration-color: var(--color-primary-light);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-focus-ring);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* 导航 */
        .site-header {
            background-color: var(--color-nav-bg);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
        }
        .nav-logo:hover {
            color: #fff;
            text-decoration: none;
        }
        .nav-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: #d0d8d2;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: background-color var(--transition-base), color var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .nav-links a.active {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.14);
            font-weight: 600;
        }
        .nav-cta {
            background-color: var(--color-accent);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            transition: background-color var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta:hover {
            background-color: #f59e0b;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            transition: background-color var(--transition-base);
            flex-shrink: 0;
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.25s ease;
        }
        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--color-nav-bg);
            padding: 8px 24px 20px;
            gap: 4px;
        }
        .mobile-nav a {
            color: #d0d8d2;
            font-size: 15px;
            font-weight: 500;
            padding: 12px 14px;
            border-radius: 8px;
            transition: background-color var(--transition-base), color var(--transition-base);
        }
        .mobile-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .mobile-nav a.active {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.14);
            font-weight: 600;
        }
        .mobile-nav .nav-cta {
            margin-top: 8px;
            justify-content: center;
        }
        /* 页面主体 */
        .page-main {
            min-height: 60vh;
        }
        section {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }
        .section-alt {
            background-color: var(--color-bg-alt);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 0.5em;
            color: var(--color-text);
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 720px;
            margin-bottom: 2em;
            line-height: 1.8;
        }
        /* 面包屑 */
        .breadcrumb {
            font-size: 14px;
            color: var(--color-text-muted);
            padding: 18px 0;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .separator {
            color: var(--color-border);
        }
        /* 卡片 */
        .data-card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            overflow: hidden;
        }
        .data-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #c8d1c6;
            transform: translateY(-2px);
        }
        .card-body {
            padding: 20px 22px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 20px;
            background: var(--color-bg-alt);
            color: var(--color-primary);
            border: 1px solid var(--color-border);
        }
        .tag-accent {
            background: rgba(232, 137, 12, 0.1);
            color: var(--color-accent);
            border-color: rgba(232, 137, 12, 0.25);
        }
        .tag-primary {
            background: rgba(26, 74, 46, 0.08);
            color: var(--color-primary);
            border-color: rgba(26, 74, 46, 0.15);
        }
        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-align: center;
            line-height: 1.4;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            border: 2px solid var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-light);
            color: #fff;
            text-decoration: none;
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border: 2px solid var(--color-accent);
        }
        .btn-accent:hover {
            background: #f59e0b;
            border-color: #f59e0b;
            color: #fff;
            text-decoration: none;
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary-light);
            border-color: var(--color-primary-light);
            text-decoration: none;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        /* 表单 */
        .form-input,
        .form-select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            background: var(--color-surface);
            font-size: 15px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
            line-height: 1.5;
        }
        .form-input:focus,
        .form-select:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 74, 46, 0.1);
            outline: none;
        }
        .form-label {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 6px;
            display: block;
            color: var(--color-text);
        }
        /* 页脚 */
        .site-footer {
            background-color: var(--color-nav-bg);
            color: #a8b5ab;
            padding-top: 60px;
            padding-bottom: 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand-name {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #a8b5ab;
            max-width: 360px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #a8b5ab;
            font-size: 14px;
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #6f7f73;
        }
        .footer-bottom a {
            color: #a8b5ab;
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 28px;
            }
            .team-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-nav.open {
                display: flex;
            }
            .nav-wrapper {
                min-height: 60px;
            }
            section {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .team-card-grid {
                grid-template-columns: 1fr;
            }
            .filter-tags {
                flex-wrap: wrap;
            }
            .page-hero {
                padding: 40px 0 32px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-title {
                font-size: 22px;
            }
            .btn {
                font-size: 14px;
                padding: 10px 18px;
            }
            .card-body {
                padding: 16px 18px;
            }
            .breadcrumb {
                font-size: 13px;
                padding: 12px 0;
            }
            .page-hero h1 {
                font-size: 24px;
            }
        }
        /* 分类页特有样式 */
        .page-hero {
            padding: 48px 0 32px;
            background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
            border-bottom: 1px solid var(--color-border);
        }
        .page-hero h1 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.3;
            color: var(--color-text);
        }
        .page-hero .hero-sub {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 640px;
            line-height: 1.8;
        }
        .team-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .filter-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .filter-tag {
            padding: 8px 18px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(26, 74, 46, 0.05);
        }
        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .compare-entry {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .compare-entry:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #c8d1c6;
        }
        .compare-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: rgba(26, 74, 46, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .compare-text {
            flex: 1;
            min-width: 200px;
        }
        .compare-text h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .compare-text p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }
        .stat-source-box {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }
        .stat-source-box h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .stat-source-box p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 10px;
        }
        .stat-source-box ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .stat-source-box ul li {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            padding-left: 20px;
            position: relative;
            margin-bottom: 6px;
        }
        .stat-source-box ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary-light);
        }
        .news-list-compact {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-list-compact .news-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border);
            align-items: flex-start;
        }
        .news-list-compact .news-item:last-child {
            border-bottom: none;
        }
        .news-date-badge {
            background: var(--color-nav-bg);
            color: #fff;
            padding: 6px 12px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
            text-align: center;
            min-width: 64px;
        }
        .news-item-body h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-item-body p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0 0 8px;
        }
        .news-item-body a {
            font-size: 13px;
            font-weight: 600;
        }
        .cta-section {
            background: var(--color-nav-bg);
            color: #d0d8d2;
            border-radius: var(--radius-card);
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-section p {
            font-size: 15px;
            color: #a8b5ab;
            margin: 0;
            max-width: 480px;
            line-height: 1.7;
        }
        .cta-section .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cta-section .btn-accent {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .cta-section .btn-accent:hover {
            background: #f59e0b;
            border-color: #f59e0b;
        }
        .cta-section .btn-outline-light {
            background: transparent;
            color: #d0d8d2;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        .cta-section .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            text-decoration: none;
        }
        .team-icon-placeholder {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }
        .metric-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 12px;
            padding-top: 14px;
            border-top: 1px solid var(--color-border);
        }
        .metric-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .metric-label {
            font-size: 11px;
            color: var(--color-text-muted);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        .metric-value {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
        }
        .metric-value.up {
            color: var(--color-primary);
        }
        .metric-value.down {
            color: #c0392b;
        }
        .metric-value.stable {
            color: var(--color-text-muted);
        }
        .team-card-image {
            height: 120px;
            width: 100%;
            object-fit: cover;
            background: var(--color-bg-alt);
        }
        .team-card-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .team-card-header .team-info {
            flex: 1;
        }
        .team-card-header .team-name {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.3;
        }
        .team-card-header .team-league {
            font-size: 13px;
            color: var(--color-text-muted);
        }

/* roulang page: category5 */
:root {
            --color-primary: #1A4A2E;
            --color-primary-light: #2E6B45;
            --color-accent: #E8890C;
            --color-bg: #FAFAF7;
            --color-bg-alt: #F0F2ED;
            --color-surface: #FFFFFF;
            --color-text: #1D2A22;
            --color-text-muted: #5B6B60;
            --color-border: #DDE3DB;
            --color-nav-bg: #14251B;
            --color-focus-ring: #2E6B45;
            --radius-card: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 6px 18px rgba(0, 0, 0, 0.08);
            --border-card: 1px solid var(--color-border);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'SimHei', sans-serif;
            --transition-base: 0.2s ease;
            --section-padding-y: 80px;
            --section-padding-y-mobile: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-base), text-decoration-color var(--transition-base);
        }
        a:hover {
            color: var(--color-primary-light);
            text-decoration: underline;
            text-decoration-color: var(--color-primary-light);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-focus-ring);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* 导航 */
        .site-header {
            background-color: var(--color-nav-bg);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
        }
        .nav-logo:hover {
            color: #fff;
            text-decoration: none;
        }
        .nav-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: #d0d8d2;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: background-color var(--transition-base), color var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .nav-links a.active {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.14);
            font-weight: 600;
        }
        .nav-cta {
            background-color: var(--color-accent);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            transition: background-color var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta:hover {
            background-color: #f59e0b;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            transition: background-color var(--transition-base);
            flex-shrink: 0;
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.25s ease;
        }
        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--color-nav-bg);
            padding: 12px 24px 20px;
            gap: 8px;
        }
        .mobile-nav a {
            color: #d0d8d2;
            padding: 10px 14px;
            border-radius: 8px;
            font-weight: 500;
        }
        .mobile-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            text-decoration: none;
        }
        .mobile-nav a.active {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
        }
        .mobile-nav .nav-cta {
            margin-top: 8px;
            justify-content: center;
        }
        /* 面包屑 */
        .breadcrumb-section {
            padding: 24px 0 0;
            background: var(--color-bg);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-primary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: var(--color-border);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 600;
        }
        /* 页面头部 */
        .page-header {
            padding: 36px 0 48px;
            background: var(--color-bg);
        }
        .page-header-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .page-header h1 {
            font-size: 36px;
            line-height: 1.25;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--color-text);
        }
        .page-header .subtitle {
            font-size: 17px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0;
        }
        .page-header-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }
        /* section 通用 */
        .section {
            padding: var(--section-padding-y) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--color-text);
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 720px;
            margin: 0 0 32px;
            line-height: 1.8;
        }
        /* 卡片 */
        .card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #c8d0c7;
            transform: translateY(-2px);
        }
        /* 联赛卡片 */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .league-card {
            padding: 24px;
        }
        .league-card .league-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
        }
        .league-card .topic-title {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 12px;
            color: var(--color-text);
        }
        .league-card .dims {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }
        .league-card .dim-tag {
            background: var(--color-bg-alt);
            color: var(--color-text-muted);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
        }
        .league-card .progress-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .league-card .progress-bar {
            height: 6px;
            background: var(--color-bg-alt);
            border-radius: 4px;
            flex: 1;
            margin-left: 12px;
            overflow: hidden;
        }
        .league-card .progress-fill {
            height: 100%;
            background: var(--color-primary-light);
            border-radius: 4px;
        }
        /* 筛选标签 */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .filter-tag {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        /* 数据亮点 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: box-shadow var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .stat-number {
            font-size: 42px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 15px;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        /* 赛制规则 */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .rule-card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            padding: 24px;
        }
        .rule-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--color-primary);
        }
        .rule-card p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin: 0;
        }
        /* CTA */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
        }
        .cta-section .section-title {
            color: #fff;
        }
        .cta-section .section-desc {
            color: #d0d8d2;
        }
        .cta-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-card);
            padding: 40px;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-card h3 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 16px;
            color: #fff;
        }
        .cta-card p {
            font-size: 16px;
            color: #d0d8d2;
            line-height: 1.8;
            margin: 0 0 24px;
        }
        .cta-btn {
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 16px;
            transition: background-color var(--transition-base), transform var(--transition-base);
            display: inline-block;
        }
        .cta-btn:hover {
            background: #f59e0b;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
        }
        /* 相关资讯 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .news-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #c8d0c7;
        }
        .news-date-block {
            flex-shrink: 0;
            width: 52px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 8px;
            text-align: center;
            padding: 8px 0;
            font-weight: 600;
            font-size: 14px;
            line-height: 1.3;
        }
        .news-content {
            flex: 1;
        }
        .news-content .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 6px;
        }
        .news-content .news-summary {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0 0 8px;
        }
        .news-content .news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
        }
        /* 页脚 */
        .site-footer {
            background: var(--color-nav-bg);
            color: #d0d8d2;
            padding: 56px 0 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand-desc {
            font-size: 14px;
            color: #a8b5ab;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #d0d8d2;
            font-size: 14px;
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 14px;
            color: #a8b5ab;
        }
        .footer-bottom a {
            color: #d0d8d2;
            font-weight: 500;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .page-header-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-header-image img {
                height: 220px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rules-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .league-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-nav {
                display: flex;
            }
            .mobile-nav.hidden {
                display: none;
            }
            .section {
                padding: var(--section-padding-y-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .page-header-image img {
                height: 180px;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .league-card {
                padding: 18px;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .cta-card {
                padding: 24px 16px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1A4A2E;
            --color-primary-light: #2E6B45;
            --color-accent: #E8890C;
            --color-bg: #FAFAF7;
            --color-bg-alt: #F0F2ED;
            --color-surface: #FFFFFF;
            --color-text: #1D2A22;
            --color-text-muted: #5B6B60;
            --color-border: #DDE3DB;
            --color-nav-bg: #14251B;
            --color-focus-ring: #2E6B45;
            --radius-card: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 6px 18px rgba(0, 0, 0, 0.08);
            --border-card: 1px solid var(--color-border);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'SimHei', sans-serif;
            --transition-base: 0.2s ease;
            --section-padding-y: 80px;
            --section-padding-y-mobile: 48px;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: var(--color-primary-light);
            text-decoration: underline;
            text-decoration-color: var(--color-primary-light);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-focus-ring);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

        @media (max-width: 768px) {
            section {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
        }

        /* 导航 */
        .site-header {
            background-color: var(--color-nav-bg);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
        }

        .nav-logo:hover {
            color: #fff;
            text-decoration: none;
        }

        .nav-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: #d0d8d2;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: background-color var(--transition-base), color var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

        .nav-links a.active {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.14);
            font-weight: 600;
        }

        .nav-cta {
            background-color: var(--color-accent);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            transition: background-color var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-cta:hover {
            background-color: #f59e0b;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            transition: background-color var(--transition-base);
            flex-shrink: 0;
        }

        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.25s ease;
        }

        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--color-nav-bg);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 24px 20px;
            gap: 4px;
        }

        .mobile-nav a {
            color: #d0d8d2;
            font-size: 15px;
            font-weight: 500;
            padding: 10px 12px;
            border-radius: 8px;
        }

        .mobile-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

        .mobile-nav a.active {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.14);
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-nav.open {
                display: flex;
            }
        }

        /* 面包屑 */
        .breadcrumb {
            padding-top: 28px;
            padding-bottom: 8px;
            background-color: var(--color-bg);
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .breadcrumb a {
            color: var(--color-text-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb span {
            color: var(--color-text-muted);
        }

        /* 分类 hero */
        .insights-hero {
            padding-top: 36px;
            padding-bottom: 48px;
            background-color: var(--color-bg);
        }
        .insights-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .insights-hero p {
            font-size: 17px;
            color: var(--color-text-muted);
            line-height: 1.8;
            max-width: 720px;
        }

        /* 洞察文章列表 */
        .insights-list-section {
            background-color: var(--color-bg-alt);
        }
        .insights-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .insight-card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .insight-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #cbd5ce;
        }
        .insight-card-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .insight-card-body {
            padding: 22px 22px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .insight-card-tag {
            display: inline-block;
            background-color: var(--color-bg-alt);
            color: var(--color-primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            width: fit-content;
            border: 1px solid var(--color-border);
        }
        .insight-card-title {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--color-text);
        }
        .insight-card-title a {
            color: var(--color-text);
        }
        .insight-card-title a:hover {
            color: var(--color-primary);
            text-decoration: underline;
        }
        .insight-card-summary {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 16px;
        }
        .insight-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
            margin-top: auto;
        }
        .insight-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .insight-card-meta a {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 13px;
        }
        .insight-card-meta a:hover {
            color: var(--color-primary-light);
            text-decoration: underline;
        }

        /* 标签条 */
        .filter-tags-section {
            padding-top: 48px;
            padding-bottom: 48px;
            background-color: var(--color-bg);
        }
        .filter-tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .filter-tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
font-weight: 500;
            color: var(--color-primary);
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .filter-tag:hover {
            border-color: var(--color-primary-light);
            color: var(--color-primary-light);
            background-color: var(--color-bg-alt);
        }
        .filter-tag.active {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        /* 数据可视化图表占位 */
        .chart-section {
            background-color: var(--color-bg-alt);
        }
        .chart-placeholder {
            width: 100%;
            min-height: 280px;
            border-radius: var(--radius-card);
            background-color: var(--color-surface);
            border: var(--border-card);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 32px;
            position: relative;
            overflow: hidden;
        }
        .chart-placeholder::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 74, 46, 0.04), rgba(232, 137, 12, 0.04));
            pointer-events: none;
        }
        .chart-placeholder-content {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .chart-placeholder-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 28px;
            color: var(--color-primary);
        }
        .chart-placeholder h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .chart-placeholder p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 480px;
            margin: 0 auto;
        }

        /* 作者/更新频率说明 */
        .source-section {
            background-color: var(--color-bg);
        }
        .source-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .source-card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .source-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .source-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .source-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .source-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* 订阅 CTA */
        .insights-cta-section {
            background-color: var(--color-nav-bg);
            padding-top: 72px;
            padding-bottom: 72px;
        }
        .insights-cta-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }
        .insights-cta-text {
            flex: 1 1 480px;
        }
        .insights-cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .insights-cta-text p {
            font-size: 16px;
            color: #cbd5cd;
            line-height: 1.75;
            max-width: 520px;
        }
        .insights-cta-btn {
            background-color: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 16px;
            transition: background-color var(--transition-base), transform var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .insights-cta-btn:hover {
            background-color: #f59e0b;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
        }

        /* 相关数据工具入口 */
        .tools-section {
            background-color: var(--color-bg-alt);
        }
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .tool-card {
            background: var(--color-surface);
            border: var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            text-align: center;
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }
        .tool-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: #cbd5ce;
        }
        .tool-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 22px;
            color: var(--color-primary);
        }
        .tool-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .tool-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .tool-card a {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
        }
        .tool-card a:hover {
            color: var(--color-primary-light);
            text-decoration: underline;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--color-nav-bg);
            color: #cbd5cd;
            padding-top: 56px;
            padding-bottom: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand-desc {
            font-size: 14px;
            color: #a8b5ab;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #cbd5cd;
            font-size: 14px;
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: #a8b5ab;
        }
        .footer-bottom a {
            color: #d0d8d2;
            font-weight: 500;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .insights-grid,
            .source-grid,
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .chart-placeholder {
                min-height: 220px;
                padding: 24px;
            }
            .insights-hero h1 {
                font-size: 26px;
            }
            .insights-cta-wrapper {
                flex-direction: column;
                align-items: flex-start;
            }
            .insights-cta-text h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .insights-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .source-grid,
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }