/* roulang page: index */
:root {
            --deep-green: #0D4A3A;
            --deep-green-dark: #0A3A2E;
            --energy-orange: #F97316;
            --energy-orange-dark: #E85E0D;
            --speed-lime: #A3E635;
            --bg-cream: #F7F5F0;
            --text-dark: #1A1A1A;
            --border-light: #E5E3DD;
            --white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(13, 74, 58, 0.06);
            --shadow-md: 0 6px 16px rgba(13, 74, 58, 0.12);
            --transition-base: 0.22s ease;
            --container-max: 1200px;
            --section-pad-desktop: 80px;
            --section-pad-mobile: 48px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-cream);
            color: var(--text-dark);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            cursor: pointer;
        }
        input {
            cursor: text;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--energy-orange);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 639px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: var(--deep-green);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
        }
        .header-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--white);
            letter-spacing: 0.04em;
        }
        .header-logo-icon {
            width: 34px;
            height: 34px;
            background-color: var(--energy-orange);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--white);
            flex-shrink: 0;
        }
        .header-top-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background-color: rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            padding: 5px 14px;
            gap: 8px;
            min-width: 180px;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--white);
            font-size: 0.9rem;
            width: 100%;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .header-search svg {
            flex-shrink: 0;
        }
        .header-login-btn {
            background-color: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: var(--white);
            padding: 7px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .header-login-btn:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.7);
        }
        .header-channel-row {
            background-color: var(--deep-green);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            height: 44px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .header-channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-tabs {
            display: flex;
            gap: 4px;
            height: 100%;
            align-items: center;
            min-width: max-content;
        }
        .channel-tab {
            display: inline-flex;
            align-items: center;
            height: 34px;
            padding: 0 18px;
            border-radius: 17px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--white);
            background-color: transparent;
            border: 1px solid transparent;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .channel-tab:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .channel-tab.active {
            background-color: var(--energy-orange);
            color: var(--white);
            border-color: var(--energy-orange);
        }
        .main {
            flex: 1;
        }
        section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
        }
        @media (max-width: 639px) {
            section {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: #4b5563;
            max-width: 720px;
            line-height: 1.8;
        }
        .section-head {
            margin-bottom: 36px;
        }
        .hero-section {
            background-color: var(--deep-green);
            position: relative;
            padding-top: 64px;
            padding-bottom: 72px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        @media (max-width: 767px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--white);
            line-height: 1.28;
            letter-spacing: 0.02em;
        }
        @media (max-width: 767px) {
            .hero-title {
                font-size: 2rem;
            }
        }
        .hero-subtitle {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 18px;
            line-height: 1.85;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 28px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--energy-orange);
            color: var(--white);
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 32px;
            border-radius: 30px;
            transition: all var(--transition-base);
            min-height: 48px;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
        }
        .btn-primary:hover {
            background-color: var(--energy-orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: transparent;
            color: var(--white);
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 28px;
            border-radius: 30px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            transition: all var(--transition-base);
            min-height: 48px;
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
            transform: translateY(-2px);
        }
        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
            aspect-ratio: 4 / 3;
        }
        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(to top, rgba(13, 74, 58, 0.9), transparent);
            color: var(--white);
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            align-items: flex-end;
            gap: 12px;
        }
        /* 指标看板 */
        .metrics-band {
            background-color: var(--deep-green);
            padding-top: 0;
            padding-bottom: 32px;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 1023px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 639px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
        }
        .metric-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .metric-number {
            font-size: 3rem;
            font-weight: 900;
            color: var(--deep-green);
            line-height: 1.2;
        }
        .metric-number .lime-accent {
            color: var(--energy-orange);
        }
        .metric-label {
            font-size: 0.95rem;
            color: #4b5563;
            margin-top: 4px;
            font-weight: 500;
        }
        /* 服务矩阵 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 1023px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 639px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }
        .service-card {
            background-color: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .service-card:hover {
            border-color: var(--energy-orange);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .service-card-icon {
            width: 48px;
            height: 48px;
            background-color: rgba(13, 74, 58, 0.08);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
        }
        .service-card p {
            font-size: 0.95rem;
            color: #4b5563;
            line-height: 1.7;
        }
        .service-card img {
            border-radius: 6px;
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        /* 结果对比 */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        @media (max-width: 767px) {
            .compare-grid {
                grid-template-columns: 1fr;
            }
        }
        .compare-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .compare-card.highlight {
            border-color: var(--deep-green);
            background-color: rgba(13, 74, 58, 0.04);
        }
        .compare-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: #374151;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-light);
        }
        .compare-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .compare-tag {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--deep-green);
            color: var(--white);
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .compare-card.highlight .compare-tag {
            background-color: var(--energy-orange);
        }
        /* 品牌介绍 */
        .brand-intro-section {
            background-color: var(--white);
        }
        .brand-intro-content {
            max-width: 920px;
        }
        .brand-intro-content p {
            font-size: 1.05rem;
            color: #374151;
            margin-bottom: 16px;
            line-height: 1.85;
        }
        /* 里程碑 */
        .timeline-grid {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 32px;
        }
        .timeline-grid::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background-color: var(--deep-green);
            opacity: 0.35;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 28px;
            padding-left: 20px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--energy-orange);
            border: 3px solid var(--deep-green);
            z-index: 1;
        }
        .timeline-year {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--deep-green);
        }
        .timeline-desc {
            font-size: 0.95rem;
            color: #4b5563;
            margin-top: 4px;
            max-width: 640px;
        }
        /* 体育场景 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        @media (max-width: 1023px) {
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 639px) {
            .scene-grid {
                grid-template-columns: 1fr;
            }
        }
        .scene-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .scene-card:hover {
            border-color: var(--energy-orange);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .scene-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .scene-card-body {
            padding: 16px 16px 20px;
        }
        .scene-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .scene-card p {
            font-size: 0.9rem;
            color: #4b5563;
            line-height: 1.65;
        }
        /* 资讯列表 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 18px;
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .news-item:hover {
            border-color: var(--energy-orange);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .news-item img {
            width: 160px;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: 6px;
            flex-shrink: 0;
        }
        .news-item-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .news-date {
            font-size: 0.8rem;
            color: #6b7280;
            font-weight: 500;
        }
        .news-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
        }
        .news-item p {
            font-size: 0.9rem;
            color: #4b5563;
            line-height: 1.65;
        }
        @media (max-width: 639px) {
            .news-item {
                flex-direction: column;
            }
            .news-item img {
                width: 100%;
            }
        }
        .news-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--deep-green);
            font-weight: 700;
            font-size: 0.95rem;
            margin-top: 16px;
            transition: color var(--transition-base);
        }
        .news-more:hover {
            color: var(--energy-orange);
            text-decoration: underline;
        }
        /* 平台保障 */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        @media (max-width: 1023px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 639px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
        }
        .guarantee-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition-base);
        }
        .guarantee-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--speed-lime);
        }
        .guarantee-icon {
            width: 52px;
            height: 52px;
            background-color: rgba(163, 230, 53, 0.15);
            border-radius: 12px;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }
        .guarantee-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .guarantee-card p {
            font-size: 0.9rem;
            color: #4b5563;
            line-height: 1.65;
        }
        /* 快速解答 */
        .quick-qa-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        @media (max-width: 767px) {
            .quick-qa-grid {
                grid-template-columns: 1fr;
            }
        }
        .quick-qa-item {
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .quick-qa-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--deep-green);
            margin-bottom: 8px;
        }
        .quick-qa-item p {
            font-size: 0.9rem;
            color: #4b5563;
            line-height: 1.7;
        }
        /* FAQ */
        .faq-section {
            background-color: var(--white);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            background-color: var(--white);
            transition: all var(--transition-base);
        }
        .faq-item[open] {
            border-color: var(--energy-orange);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background-color: var(--white);
            transition: background-color var(--transition-base);
        }
        .faq-item summary:hover {
            background-color: rgba(13, 74, 58, 0.04);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-toggle-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: rgba(13, 74, 58, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--deep-green);
            transition: all var(--transition-base);
        }
        .faq-item[open] summary .faq-toggle-icon {
            background-color: var(--energy-orange);
            color: var(--white);
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.95rem;
            color: #4b5563;
            line-height: 1.75;
        }
        /* 转化表单 */
        .cta-form-section {
            background-color: var(--deep-green);
            position: relative;
            overflow: hidden;
        }
        .cta-form-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        @media (max-width: 767px) {
            .cta-form-grid {
                grid-template-columns: 1fr;
            }
        }
        .cta-form-text h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }
        .cta-form-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
        }
        .cta-form {
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }
        .cta-form label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-dark);
        }
        .cta-form input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            font-size: 0.95rem;
            margin-bottom: 14px;
            transition: border-color var(--transition-base);
            background-color: var(--bg-cream);
        }
        .cta-form input:focus {
            border-color: var(--energy-orange);
            background-color: var(--white);
        }
        .cta-form .btn-submit {
            width: 100%;
            background-color: var(--energy-orange);
            color: var(--white);
            padding: 14px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            min-height: 48px;
        }
        .cta-form .btn-submit:hover {
            background-color: var(--energy-orange-dark);
        }
        /* 社区口碑 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        @media (max-width: 1023px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 639px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }
        .testimonial-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            font-size: 3.5rem;
            color: rgba(13, 74, 58, 0.15);
            position: absolute;
            top: 10px;
            right: 16px;
            font-weight: 900;
            line-height: 1;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: #374151;
            line-height: 1.7;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .testimonial-author {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--deep-green);
        }
        /* 数据趋势 */
        .trend-chart-area {
            background-color: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .trend-bars {
            display: flex;
            align-items: flex-end;
            gap: 12px;
            height: 180px;
            padding-top: 20px;
        }
        .trend-bar {
            flex: 1;
            background-color: var(--deep-green);
            border-radius: 4px 4px 0 0;
            transition: all var(--transition-base);
            min-width: 20px;
            position: relative;
        }
        .trend-bar:hover {
            background-color: var(--energy-orange);
        }
        .trend-bar-label {
            text-align: center;
            font-size: 0.75rem;
            color: #6b7280;
            margin-top: 6px;
        }
        .trend-legend {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 16px;
            font-size: 0.85rem;
            color: #4b5563;
        }
        /* footer */
        .footer {
            background-color: var(--text-dark);
            color: rgba(255, 255, 255, 0.8);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-top: 48px;
            padding-bottom: 36px;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--energy-orange);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            padding-bottom: 20px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--energy-orange);
        }
        .footer-links-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 639px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        /* misc utilities */
        .text-orange {
            color: var(--energy-orange);
        }
        .text-deep-green {
            color: var(--deep-green);
        }
        .bg-white {
            background-color: var(--white);
        }
        .bg-cream {
            background-color: var(--bg-cream);
        }
        .bg-deep-green {
            background-color: var(--deep-green);
        }
        /* 选单按钮 */
        .nav-cta-btn {
            background-color: var(--energy-orange);
            color: var(--white);
            padding: 8px 22px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background-color: var(--energy-orange-dark);
        }
        @media (max-width: 639px) {
            .header-search {
                min-width: auto;
                width: 100%;
            }
            .header-brand-row {
                gap: 8px;
            }
            .header-top-actions {
                gap: 8px;
                flex-wrap: wrap;
                justify-content: flex-end;
            }
        }

/* roulang page: category1 */
:root {
            --deep-green: #0D4A3A;
            --deep-green-dark: #0A3A2E;
            --energy-orange: #F97316;
            --energy-orange-dark: #E85E0D;
            --speed-lime: #A3E635;
            --bg-cream: #F7F5F0;
            --text-dark: #1A1A1A;
            --border-light: #E5E3DD;
            --white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(13, 74, 58, 0.06);
            --shadow-md: 0 6px 16px rgba(13, 74, 58, 0.12);
            --transition-base: 0.22s ease;
            --container-max: 1200px;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-cream);
            color: var(--text-dark);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            cursor: pointer;
        }
        input {
            cursor: text;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--energy-orange);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: var(--deep-green);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
        }
        .header-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--white);
            letter-spacing: 0.04em;
        }
        .header-logo-icon {
            width: 34px;
            height: 34px;
            background-color: var(--energy-orange);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--white);
            flex-shrink: 0;
        }
        .header-top-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background-color: rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            padding: 5px 14px;
            gap: 8px;
            min-width: 180px;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--white);
            font-size: 0.9rem;
            width: 100%;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .header-search svg {
            flex-shrink: 0;
        }
        .header-login-btn {
            background-color: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: var(--white);
            padding: 7px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .header-login-btn:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.7);
        }
        .header-channel-row {
            background-color: var(--deep-green);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            height: 44px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .header-channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-tabs {
            display: flex;
            gap: 4px;
            align-items: center;
            min-width: max-content;
            height: 100%;
        }
        .channel-tab {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 8px 8px 0 0;
            font-weight: 600;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            transition: all var(--transition-base);
            white-space: nowrap;
            height: 100%;
            border-bottom: 3px solid transparent;
        }
        .channel-tab:hover {
            color: var(--white);
            background-color: rgba(255, 255, 255, 0.08);
        }
        .channel-tab.active {
            color: var(--white);
            background-color: rgba(255, 255, 255, 0.15);
            border-bottom-color: var(--energy-orange);
            font-weight: 700;
        }
        .main {
            flex: 1;
        }
        section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
        }
        @media (max-width: 640px) {
            section {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }
        }
        .section-title {
            font-size: 1.85rem;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: #4b5563;
            max-width: 720px;
            line-height: 1.8;
        }
        .section-head {
            margin-bottom: 32px;
        }
        .category-hero {
            background-color: #f0eee8;
            border-bottom: 1px solid var(--border-light);
            padding-top: 32px;
            padding-bottom: 28px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: -60px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(13, 74, 58, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: #6b7280;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--deep-green);
            font-weight: 500;
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--energy-orange);
        }
        .breadcrumb .sep {
            color: #9ca3af;
            font-size: 0.8rem;
        }
        .breadcrumb .current {
            color: var(--text-dark);
            font-weight: 600;
        }
        .category-h1 {
            font-size: 2.25rem;
            font-weight: 900;
            color: var(--deep-green);
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 8px;
        }
        @media (max-width: 640px) {
            .category-h1 {
                font-size: 1.6rem;
            }
        }
        .category-desc {
            font-size: 1rem;
            color: #4b5563;
            max-width: 680px;
            line-height: 1.8;
        }
        .filter-tag-bar {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
            padding: 8px 0;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 20px;
            background-color: var(--white);
            border: 1px solid var(--border-light);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            user-select: none;
        }
        .filter-tag:hover {
            border-color: var(--energy-orange);
            color: var(--energy-orange-dark);
            box-shadow: var(--shadow-sm);
        }
        .filter-tag.active {
            background-color: var(--deep-green);
            color: var(--white);
            border-color: var(--deep-green);
            font-weight: 600;
        }
        .filter-group-label {
            font-size: 0.85rem;
            font-weight: 700;
            color: #6b7280;
            margin-right: 4px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 1023px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
        }
        .event-card {
            background-color: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(249, 115, 22, 0.4);
        }
        .event-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .event-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .event-card:hover .event-card-img img {
            transform: scale(1.04);
        }
        .event-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: var(--energy-orange);
            color: var(--white);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 4px;
            letter-spacing: 0.03em;
        }
        .event-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .event-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.88rem;
            color: #6b7280;
            margin-bottom: 12px;
        }
        .event-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .event-card-desc {
            font-size: 0.92rem;
            color: #4b5563;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .event-card-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            background-color: var(--deep-green);
            color: var(--white);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            align-self: flex-start;
        }
        .event-card-btn:hover {
            background-color: var(--deep-green-dark);
            transform: translateY(-1px);
        }
        .rank-bar {
            background-color: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid #f3f1ec;
            transition: background-color var(--transition-base);
            border-radius: 6px;
            padding-left: 10px;
            padding-right: 10px;
            margin-left: -10px;
            margin-right: -10px;
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-item:hover {
            background-color: #faf9f6;
        }
        .rank-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: #f0eee8;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.95rem;
            color: var(--deep-green);
            flex-shrink: 0;
        }
        .rank-number.top1 {
            background-color: var(--energy-orange);
            color: var(--white);
        }
        .rank-number.top2 {
            background-color: #fbbf24;
            color: var(--white);
        }
        .rank-number.top3 {
            background-color: #d97706;
            color: var(--white);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-dark);
            line-height: 1.4;
        }
        .rank-sub {
            font-size: 0.85rem;
            color: #6b7280;
        }
        .rank-heat {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--energy-orange);
            white-space: nowrap;
        }
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 16px 20px;
            border-left: 3px solid var(--border-light);
            background-color: var(--white);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            transition: all var(--transition-base);
            flex-wrap: wrap;
        }
        .schedule-item:hover {
            border-left-color: var(--energy-orange);
            box-shadow: var(--shadow-sm);
        }
        .schedule-date {
            font-weight: 800;
            font-size: 0.95rem;
            color: var(--deep-green);
            min-width: 80px;
        }
        .schedule-content {
            flex: 1;
            min-width: 200px;
        }
        .schedule-name {
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--text-dark);
        }
        .schedule-detail {
            font-size: 0.85rem;
            color: #6b7280;
        }
        .schedule-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 600;
            background-color: #f0f7f4;
            color: var(--deep-green);
            white-space: nowrap;
        }
        .schedule-tag.orange {
            background-color: #fff4ed;
            color: var(--energy-orange-dark);
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1023px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }
        .stat-card {
            background-color: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--deep-green);
            line-height: 1.2;
            letter-spacing: 0.01em;
        }
        .stat-label {
            font-size: 0.92rem;
            color: #6b7280;
            font-weight: 500;
            margin-top: 6px;
        }
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 1023px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .review-grid {
                grid-template-columns: 1fr;
            }
        }
        .review-card {
            background-color: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .review-card-img {
            height: 150px;
            overflow: hidden;
        }
        .review-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .review-card-body {
            padding: 16px 18px 18px;
        }
        .review-card-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .review-card-desc {
            font-size: 0.88rem;
            color: #6b7280;
            line-height: 1.65;
        }
        .cta-subscribe {
            background-color: var(--deep-green);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-subscribe::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-subscribe-left {
            position: relative;
            z-index: 1;
        }
        .cta-subscribe-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .cta-subscribe-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 480px;
            line-height: 1.7;
        }
        .cta-subscribe-form {
            display: flex;
            gap: 10px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }
        .cta-subscribe-form input {
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background-color: rgba(255, 255, 255, 0.12);
            color: var(--white);
            font-size: 0.95rem;
            min-width: 240px;
            transition: all var(--transition-base);
            cursor: text;
        }
        .cta-subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .cta-subscribe-form input:focus {
            border-color: var(--energy-orange);
            background-color: rgba(255, 255, 255, 0.18);
        }
        .cta-subscribe-form button {
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            background-color: var(--energy-orange);
            color: var(--white);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .cta-subscribe-form button:hover {
            background-color: var(--energy-orange-dark);
            transform: translateY(-1px);
        }
        .footer {
            background-color: #1A1A1A;
            color: rgba(255, 255, 255, 0.85);
            padding-top: 48px;
            padding-bottom: 20px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul a:hover {
            color: var(--energy-orange);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            justify-content: space-between;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--energy-orange);
        }
        .footer-links-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links-row span {
            color: rgba(255, 255, 255, 0.35);
        }

/* roulang page: category2 */
:root {
            --deep-green: #0D4A3A;
            --deep-green-dark: #0A3A2E;
            --energy-orange: #F97316;
            --energy-orange-dark: #E85E0D;
            --speed-lime: #A3E635;
            --bg-cream: #F7F5F0;
            --text-dark: #1A1A1A;
            --border-light: #E5E3DD;
            --white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(13, 74, 58, 0.06);
            --shadow-md: 0 6px 16px rgba(13, 74, 58, 0.12);
            --transition-base: 0.22s ease;
            --container-max: 1200px;
            --section-pad-desktop: 80px;
            --section-pad-mobile: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-cream);
            color: var(--text-dark);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            cursor: pointer;
        }
        input {
            cursor: text;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--energy-orange);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 639px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: var(--deep-green);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
        }
        .header-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--white);
            letter-spacing: 0.04em;
        }
        .header-logo:hover {
            color: var(--speed-lime);
        }
        .header-logo-icon {
            width: 34px;
            height: 34px;
            background-color: var(--energy-orange);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--white);
            flex-shrink: 0;
            transition: background-color var(--transition-base);
        }
        .header-logo:hover .header-logo-icon {
            background-color: var(--energy-orange-dark);
        }
        .header-top-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background-color: rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            padding: 5px 14px;
            gap: 8px;
            min-width: 180px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: all var(--transition-base);
        }
        .header-search:focus-within {
            border-color: var(--speed-lime);
            background-color: rgba(255, 255, 255, 0.18);
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--white);
            font-size: 0.9rem;
            width: 100%;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .header-search svg {
            flex-shrink: 0;
        }
        .header-login-btn {
            background-color: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: var(--white);
            padding: 7px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .header-login-btn:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.7);
        }
        .header-channel-row {
            background-color: var(--deep-green);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            height: 44px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .header-channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 100%;
        }
        .channel-tab {
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.75);
            white-space: nowrap;
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }
        .channel-tab:hover {
            color: var(--white);
            background-color: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
        }
        .channel-tab.active {
            background-color: var(--white);
            color: var(--deep-green);
            border-color: var(--white);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .main {
            flex: 1;
        }
        section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
        }
        @media (max-width: 639px) {
            section {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: #4b5563;
            max-width: 720px;
            line-height: 1.8;
        }
        .section-head {
            margin-bottom: 36px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.85rem;
            color: #6b7280;
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--deep-green);
            font-weight: 500;
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--energy-orange);
            text-decoration: underline;
        }
        .breadcrumb span:not(.separator) {
            color: #6b7280;
        }
        .breadcrumb .separator {
            color: #c4c1b8;
        }
        .category-page-header {
            background: linear-gradient(135deg, #f0ebe1 0%, #e8e3d8 55%, #dfe8df 100%);
            padding-top: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .category-page-header::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(13, 74, 58, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-page-header .container {
            position: relative;
            z-index: 1;
        }
        .category-page-header h1 {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--deep-green);
            line-height: 1.3;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .category-page-header .category-desc {
            font-size: 1rem;
            color: #4b5563;
            max-width: 680px;
            line-height: 1.8;
        }
        .filter-tag-row {
            display: flex;
            align-items: center;
            gap: 10px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 12px 0;
            flex-wrap: nowrap;
        }
        .filter-tag-row::-webkit-scrollbar {
            display: none;
        }
        .filter-tag {
            padding: 8px 20px;
            border-radius: 22px;
            font-size: 0.88rem;
            font-weight: 600;
            color: #4b5563;
            background-color: var(--white);
            border: 1px solid var(--border-light);
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-base);
            min-height: 44px;
            display: inline-flex;
            align-items: center;
        }
        .filter-tag:hover {
            border-color: var(--energy-orange);
            color: var(--energy-orange);
            background-color: #fff8f0;
        }
        .filter-tag.active {
            background-color: var(--deep-green);
            color: var(--white);
            border-color: var(--deep-green);
            box-shadow: 0 2px 8px rgba(13, 74, 58, 0.2);
        }
        .article-list-card {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            background-color: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .article-list-card:hover {
            border-color: var(--energy-orange);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .article-list-content {
            flex: 1;
            min-width: 0;
        }
        .article-list-image {
            width: 210px;
            flex-shrink: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background-color: #e5e3dd;
        }
        .article-list-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .article-list-card:hover .article-list-image img {
            transform: scale(1.04);
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 0.85rem;
            color: #6b7280;
        }
        .article-meta .article-date {
            font-weight: 500;
        }
        .article-meta .article-category {
            padding: 3px 12px;
            border-radius: 12px;
            background-color: #f0ede6;
            color: var(--deep-green);
            font-weight: 600;
            font-size: 0.78rem;
            border: 1px solid var(--border-light);
        }
        .article-list-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .article-list-title a {
            color: inherit;
            transition: color var(--transition-base);
        }
        .article-list-title a:hover {
            color: var(--energy-orange);
        }
        .article-list-excerpt {
            font-size: 0.95rem;
            color: #4b5563;
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .article-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--energy-orange);
            transition: all var(--transition-base);
        }
        .article-read-more:hover {
            color: var(--energy-orange-dark);
            text-decoration: underline;
        }
        .view-all-button {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            background-color: var(--deep-green);
            color: var(--white);
            border: 1px solid var(--deep-green);
            transition: all var(--transition-base);
            min-height: 44px;
        }
        .view-all-button:hover {
            background-color: var(--deep-green-dark);
            border-color: var(--deep-green-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(13, 74, 58, 0.25);
        }
        .hot-scroll-row {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding-bottom: 8px;
        }
        .hot-scroll-row::-webkit-scrollbar {
            display: none;
        }
        .hot-mini-card {
            flex: 0 0 auto;
            width: 260px;
            background-color: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .hot-mini-card:hover {
            border-color: var(--energy-orange);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .hot-mini-image {
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: #e5e3dd;
        }
        .hot-mini-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .hot-mini-card:hover .hot-mini-image img {
            transform: scale(1.05);
        }
        .hot-mini-body {
            padding: 14px 16px;
        }
        .hot-mini-title {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.5;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-mini-date {
            font-size: 0.78rem;
            color: #9ca3af;
        }
        .special-feature-card {
            background-color: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            margin-bottom: 20px;
        }
        .special-feature-card:hover {
            border-color: var(--energy-orange);
            box-shadow: var(--shadow-md);
        }
        .special-feature-image {
            width: 100%;
            aspect-ratio: 21 / 9;
            overflow: hidden;
            background-color: #e5e3dd;
        }
        .special-feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .special-feature-card:hover .special-feature-image img {
            transform: scale(1.03);
        }
        .special-feature-body {
            padding: 24px 28px;
        }
        .special-feature-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 14px;
            background-color: rgba(249, 115, 22, 0.1);
            color: var(--energy-orange);
            font-weight: 700;
            font-size: 0.8rem;
            margin-bottom: 10px;
            border: 1px solid rgba(249, 115, 22, 0.25);
        }
        .special-feature-title {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .special-feature-desc {
            font-size: 0.95rem;
            color: #4b5563;
            line-height: 1.75;
        }
        .media-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .media-placeholder-card {
            background-color: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .media-placeholder-card:hover {
            border-color: var(--energy-orange);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .media-placeholder-image {
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background-color: #e5e3dd;
            position: relative;
        }
        .media-placeholder-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .media-placeholder-card:hover .media-placeholder-image img {
            transform: scale(1.04);
        }
        .media-play-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: rgba(13, 74, 58, 0.85);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.2rem;
            font-weight: 900;
            pointer-events: none;
            transition: all var(--transition-base);
        }
        .media-placeholder-card:hover .media-play-icon {
            background-color: var(--energy-orange);
            transform: translate(-50%, -50%) scale(1.08);
        }
        .media-placeholder-body {
            padding: 16px 18px;
        }
        .media-placeholder-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.5;
        }
        .media-placeholder-type {
            font-size: 0.78rem;
            color: #9ca3af;
            margin-top: 4px;
        }
        .subscribe-cta-section {
            background-color: var(--deep-green);
            padding-top: 56px;
            padding-bottom: 56px;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .subscribe-cta-box {
            background-color: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
            position: relative;
            z-index: 1;
        }
        .subscribe-cta-text {
            flex: 1;
            min-width: 240px;
        }
        .subscribe-cta-text h2 {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--deep-green);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .subscribe-cta-text p {
            font-size: 0.95rem;
            color: #4b5563;
            line-height: 1.7;
            max-width: 480px;
        }
        .subscribe-form {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            padding: 14px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            background-color: var(--bg-cream);
            font-size: 0.95rem;
            color: var(--text-dark);
            min-width: 240px;
            transition: all var(--transition-base);
            min-height: 48px;
        }
        .subscribe-form input:focus {
            border-color: var(--energy-orange);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
            background-color: var(--white);
        }
        .subscribe-form input::placeholder {
            color: #9ca3af;
        }
        .subscribe-btn {
            padding: 14px 32px;
            border-radius: var(--radius-md);
            background-color: var(--energy-orange);
            color: var(--white);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            min-height: 48px;
            white-space: nowrap;
        }
        .subscribe-btn:hover {
            background-color: var(--energy-orange-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
        }
        .subscribe-btn:active {
            transform: translateY(0);
        }
        .footer {
            background-color: #1A1A1A;
            color: rgba(255, 255, 255, 0.8);
            padding-top: 48px;
            padding-bottom: 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .footer-col ul li a:hover {
            color: var(--energy-orange);
            text-decoration: underline;
        }
        .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: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom .footer-links-row {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom .footer-links-row a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8rem;
            transition: color var(--transition-base);
        }
        .footer-bottom .footer-links-row a:hover {
            color: var(--energy-orange);
            text-decoration: underline;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .media-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-list-card {
                padding: 18px;
                gap: 16px;
            }
            .article-list-image {
                width: 160px;
            }
        }
        @media (max-width: 639px) {
            .category-page-header h1 {
                font-size: 2rem;
            }
            .category-page-header {
                padding-top: 28px;
                padding-bottom: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .media-grid {
                grid-template-columns: 1fr;
            }
            .article-list-card {
                flex-direction: column;
                padding: 16px;
            }
            .article-list-image {
                width: 100%;
                aspect-ratio: 16 / 9;
                order: -1;
            }
            .article-list-title {
                font-size: 1.1rem;
            }
            .subscribe-cta-box {
                padding: 28px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                width: 100%;
            }
            .subscribe-form input {
                min-width: 100%;
                flex: 1;
            }
            .subscribe-btn {
                width: 100%;
                text-align: center;
            }
            .special-feature-body {
                padding: 18px 16px;
            }
            .header-search {
                min-width: 120px;
            }
            .header-login-btn {
                padding: 5px 12px;
                font-size: 0.82rem;
            }
            .channel-tab {
                padding: 5px 12px;
                font-size: 0.85rem;
            }
        }
        @media (min-width: 640px) and (max-width: 1023px) {
            .article-list-image {
                width: 180px;
            }
        }

/* roulang page: category4 */
:root {
      --deep-green: #0D4A3A;
      --deep-green-dark: #0A3A2E;
      --energy-orange: #F97316;
      --energy-orange-dark: #E85E0D;
      --speed-lime: #A3E635;
      --bg-cream: #F7F5F0;
      --text-dark: #1A1A1A;
      --border-light: #E5E3DD;
      --white: #FFFFFF;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(13, 74, 58, 0.06);
      --shadow-md: 0 6px 16px rgba(13, 74, 58, 0.12);
      --transition-base: 0.22s ease;
      --container-max: 1200px;
      --section-pad-desktop: 80px;
      --section-pad-mobile: 48px;
    }

    :root {
      --deep-green: #0D4A3A;
      --deep-green-dark: #0A3A2E;
      --energy-orange: #F97316;
      --energy-orange-dark: #E85E0D;
      --speed-lime: #A3E635;
      --bg-cream: #F7F5F0;
      --text-dark: #1A1A1A;
      --border-light: #E5E3DD;
      --white: #FFFFFF;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(13, 74, 58, 0.06);
      --shadow-md: 0 6px 16px rgba(13, 74, 58, 0.12);
      --transition-base: 0.22s ease;
      --container-max: 1200px;
      --section-pad-desktop: 80px;
      --section-pad-mobile: 48px;
    }

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

    body {
      font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background-color: var(--bg-cream);
      color: var(--text-dark);
      line-height: 1.75;
      font-size: 16px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      margin: 0;
    }

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

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

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

    input {
      cursor: text;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

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

    .header {
      position: sticky;
      top: 0;
      z-index: 50;
      background-color: var(--deep-green);
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    }

    .header-brand-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 56px;
    }

    .header-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.35rem;
      color: var(--white);
      letter-spacing: 0.04em;
      white-space: nowrap;
    }

    .header-logo-icon {
      width: 34px;
      height: 34px;
      background-color: var(--energy-orange);
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
      color: var(--white);
      flex-shrink: 0;
    }

    .header-top-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .header-search {
      display: flex;
      align-items: center;
      background-color: rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      padding: 5px 14px;
      gap: 8px;
      min-width: 180px;
      border: 1px solid rgba(255, 255, 255, 0.18);
    }

    .header-search svg {
      flex-shrink: 0;
    }

    .header-search input {
      background: transparent;
      border: none;
      outline: none;
      color: var(--white);
      font-size: 0.9rem;
      width: 100%;
    }

    .header-search input::placeholder {
      color: rgba(255, 255, 255, 0.6);
    }

    .header-login-btn {
      background-color: transparent;
      border: 1px solid rgba(255, 255, 255, 0.4);
      color: var(--white);
      padding: 7px 18px;
      border-radius: 20px;
      font-weight: 600;
      font-size: 0.9rem;
      transition: all var(--transition-base);
      white-space: nowrap;
    }

    .header-login-btn:hover {
      background-color: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.7);
    }

    .header-channel-row {
      background-color: var(--deep-green);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      height: 44px;
      display: flex;
      align-items: center;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }

    .header-channel-row::-webkit-scrollbar {
      display: none;
    }

    .channel-tabs {
      display: flex;
      align-items: center;
      gap: 4px;
      min-width: max-content;
    }

    .channel-tab {
      display: inline-flex;
      align-items: center;
      height: 44px;
      padding: 0 16px;
      color: rgba(255, 255, 255, 0.85);
      font-weight: 600;
      font-size: 0.95rem;
      border-bottom: 3px solid transparent;
      transition: all var(--transition-base);
      white-space: nowrap;
    }

    .channel-tab:hover {
      color: var(--white);
      border-bottom-color: rgba(255, 255, 255, 0.4);
    }

    .channel-tab.active {
      color: var(--white);
      border-bottom-color: var(--energy-orange);
    }

    .main {
      flex: 1;
    }

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

    @media (max-width: 640px) {
      section {
        padding-top: var(--section-pad-mobile);
        padding-bottom: var(--section-pad-mobile);
      }
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.35;
      color: var(--text-dark);
      margin-bottom: 12px;
      letter-spacing: 0.01em;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: #4b5563;
      max-width: 720px;
      line-height: 1.8;
    }

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

    .page-hero {
      background-color: var(--white);
      border-bottom: 1px solid var(--border-light);
      padding-top: 32px;
      padding-bottom: 32px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      color: #6b7280;
      margin-bottom: 16px;
    }

    .breadcrumb a {
      color: #374151;
      transition: color var(--transition-base);
    }

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

    .breadcrumb span {
      color: #9ca3af;
    }

    .page-hero h1 {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--deep-green);
      line-height: 1.2;
      margin-bottom: 8px;
    }

    .page-hero p {
      font-size: 1.05rem;
      color: #4b5563;
      max-width: 720px;
      line-height: 1.8;
    }

    .index-section {
      background-color: var(--bg-cream);
      padding-top: 40px;
      padding-bottom: 40px;
    }

    .index-section .section-head {
      margin-bottom: 16px;
    }

    .index-tabs {
      display: flex;
      gap: 8px;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      padding-bottom: 4px;
    }

    .index-tabs::-webkit-scrollbar {
      display: none;
    }

    .index-tab {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 40px;
      height: 40px;
      padding: 0 12px;
      background-color: var(--white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      color: #374151;
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition-base);
      flex-shrink: 0;
    }

    .index-tab:hover {
      border-color: var(--energy-orange);
      color: var(--energy-orange);
    }

    .index-tab.active {
      background-color: var(--deep-green);
      border-color: var(--deep-green);
      color: var(--white);
    }

    .wiki-grid-section {
      background-color: var(--bg-cream);
      padding-top: 0;
      padding-bottom: 80px;
    }

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

    @media (max-width: 1024px) {
      .wiki-card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {
      .wiki-card-grid {
        grid-template-columns: 1fr;
      }
    }

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

    .wiki-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--energy-orange);
      transform: translateY(-2px);
    }

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

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

    .wiki-card-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .wiki-card-desc {
      font-size: 0.95rem;
      color: #4b5563;
      line-height: 1.75;
      flex: 1;
    }

    .rank-section {
      background-color: var(--white);
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }

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

    .rank-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 20px;
      background-color: var(--bg-cream);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      transition: all var(--transition-base);
      border: 1px solid transparent;
    }

    .rank-item:hover {
      border-color: var(--energy-orange);
      background-color: #fff;
      box-shadow: var(--shadow-sm);
    }

    .rank-left {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .rank-number {
      width: 36px;
      height: 36px;
      background-color: var(--deep-green);
      color: var(--white);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .rank-item:nth-child(1) .rank-number {
      background-color: var(--energy-orange);
    }

    .rank-title {
      font-weight: 600;
      color: var(--text-dark);
      font-size: 1.05rem;
    }

    .rank-views {
      font-size: 0.9rem;
      color: #6b7280;
      white-space: nowrap;
    }

    .term-section {
      background-color: var(--bg-cream);
    }

    .term-table {
      width: 100%;
      background-color: var(--white);
      border-collapse: collapse;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-light);
    }

    .term-table th {
      background-color: var(--deep-green);
      color: var(--white);
      font-weight: 700;
      text-align: left;
      padding: 14px 20px;
      font-size: 1rem;
    }

    .term-table td {
      padding: 14px 20px;
      border-bottom: 1px solid var(--border-light);
      color: #374151;
      vertical-align: top;
    }

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

    .term-table td:first-child {
      font-weight: 700;
      color: var(--deep-green);
      white-space: nowrap;
      width: 180px;
    }

    @media (max-width: 640px) {
      .term-table {
        display: block;
        border: none;
        box-shadow: none;
        background-color: transparent;
      }

      .term-table thead {
        display: none;
      }

      .term-table tbody,
      .term-table tr,
      .term-table td {
        display: block;
        width: 100%;
      }

      .term-table tr {
        background-color: var(--white);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        padding: 12px;
      }

      .term-table td {
        border: none;
        padding: 6px 0;
      }

      .term-table td:first-child {
        width: 100%;
        white-space: normal;
        font-weight: 700;
      }
    }

    .expert-section {
      background-color: var(--white);
      border-top: 1px solid var(--border-light);
    }

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

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

    @media (max-width: 640px) {
      .expert-grid {
        grid-template-columns: 1fr;
      }
    }

    .expert-card {
      background-color: var(--bg-cream);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: all var(--transition-base);
      box-shadow: var(--shadow-sm);
    }

    .expert-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--energy-orange);
      transform: translateY(-2px);
    }

    .expert-card-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--deep-green);
      margin-bottom: 6px;
    }

    .expert-card-author {
      font-size: 0.9rem;
      color: var(--energy-orange);
      font-weight: 600;
      margin-bottom: 12px;
    }

    .expert-card-desc {
      font-size: 0.95rem;
      color: #4b5563;
      line-height: 1.75;
    }

    .cta-section {
      background-color: var(--deep-green);
      color: var(--white);
      padding-top: 64px;
      padding-bottom: 64px;
    }

    .cta-box {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      max-width: 640px;
      margin: 0 auto;
    }

    .cta-box h2 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--white);
    }

    .cta-box p {
      font-size: 1.05rem;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 28px;
      line-height: 1.8;
    }

    .cta-form {
      display: flex;
      gap: 12px;
      width: 100%;
      max-width: 480px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .cta-form input {
      flex: 1;
      min-width: 220px;
      padding: 12px 18px;
      border-radius: 8px;
      background-color: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: var(--white);
      font-size: 0.95rem;
    }

    .cta-form input::placeholder {
      color: rgba(255, 255, 255, 0.6);
    }

    .cta-form input:focus {
      border-color: var(--energy-orange);
    }

    .cta-form .btn-orange {
      background-color: var(--energy-orange);
      color: var(--white);
      font-weight: 700;
      padding: 12px 28px;
      border-radius: 8px;
      font-size: 1rem;
      transition: background-color var(--transition-base);
      white-space: nowrap;
    }

    .cta-form .btn-orange:hover {
      background-color: var(--energy-orange-dark);
    }

    .footer {
      background-color: #1A1A1A;
      color: #d1d5db;
      padding-top: 48px;
      padding-bottom: 24px;
      border-top: 1px solid #374151;
    }

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

    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 520px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }

    .footer-brand h3 {
      color: var(--white);
      font-size: 1.4rem;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.95rem;
      color: #9ca3af;
      line-height: 1.7;
    }

    .footer-col h4 {
      color: var(--white);
      font-size: 1rem;
      margin-bottom: 12px;
      font-weight: 600;
    }

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

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

    .footer-col a {
      color: #9ca3af;
      font-size: 0.9rem;
      transition: color var(--transition-base);
    }

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

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid #374151;
      font-size: 0.85rem;
      color: #9ca3af;
      text-align: center;
    }

    .footer-links-row {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-links-row a {
      color: #9ca3af;
      transition: color var(--transition-base);
    }

    .footer-links-row a:hover {
      color: var(--energy-orange);
    }

    @media (max-width: 640px) {
      .header-search {
        min-width: 100px;
      }

      .header-login-btn {
        padding: 7px 12px;
        font-size: 0.8rem;
      }
    }

/* roulang page: category3 */
:root {
            --deep-green: #0D4A3A;
            --deep-green-dark: #0A3A2E;
            --energy-orange: #F97316;
            --energy-orange-dark: #E85E0D;
            --speed-lime: #A3E635;
            --bg-cream: #F7F5F0;
            --text-dark: #1A1A1A;
            --border-light: #E5E3DD;
            --white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(13, 74, 58, 0.06);
            --shadow-md: 0 6px 16px rgba(13, 74, 58, 0.12);
            --transition-base: 0.22s ease;
            --container-max: 1200px;
            --section-pad-desktop: 80px;
            --section-pad-mobile: 48px;
        }

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

        body {
            font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-cream);
            color: var(--text-dark);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

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

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

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

        input,
        select {
            cursor: text;
        }

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

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: var(--deep-green);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
        }

        .header-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--white);
            letter-spacing: 0.04em;
        }

        .header-logo-icon {
            width: 34px;
            height: 34px;
            background-color: var(--energy-orange);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--white);
            flex-shrink: 0;
        }

        .header-top-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .header-search {
            display: flex;
            align-items: center;
            background-color: rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            padding: 5px 14px;
            gap: 8px;
            min-width: 180px;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--white);
            font-size: 0.9rem;
            width: 100%;
        }

        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .header-search svg {
            flex-shrink: 0;
        }

        .header-login-btn {
            background-color: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: var(--white);
            padding: 7px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .header-login-btn:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.7);
        }

        .header-channel-row {
            background-color: var(--deep-green);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            height: 44px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-channel-row::-webkit-scrollbar {
            display: none;
        }

        .channel-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            min-width: max-content;
            height: 100%;
        }

        .channel-tab {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 16px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--white);
            opacity: 0.75;
            white-space: nowrap;
            transition: all var(--transition-base);
        }

        .channel-tab:hover {
            opacity: 1;
            background-color: rgba(255, 255, 255, 0.1);
        }

        .channel-tab.active {
            background-color: var(--energy-orange);
            color: var(--white);
            opacity: 1;
            box-shadow: 0 2px 8px rgba(249, 115, 22, 0.35);
        }

        .main {
            flex: 1;
            background-color: var(--bg-cream);
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: #4b5563;
            max-width: 720px;
            line-height: 1.8;
        }

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

        .card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .btn-primary {
            background-color: var(--energy-orange);
            color: var(--white);
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all var(--transition-base);
            border: 2px solid var(--energy-orange);
            min-height: 44px;
        }

        .btn-primary:hover {
            background-color: var(--energy-orange-dark);
            border-color: var(--energy-orange-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(249, 115, 22, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline {
            background-color: transparent;
            color: var(--deep-green);
            padding: 10px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: all var(--transition-base);
            border: 2px solid var(--deep-green);
            min-height: 44px;
        }

        .btn-outline:hover {
            background-color: var(--deep-green);
            color: var(--white);
            box-shadow: 0 4px 12px rgba(13, 74, 58, 0.25);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }

        .badge-orange {
            background-color: rgba(249, 115, 22, 0.12);
            color: var(--energy-orange-dark);
            border: 1px solid rgba(249, 115, 22, 0.3);
        }

        .badge-green {
            background-color: rgba(13, 74, 58, 0.08);
            color: var(--deep-green);
            border: 1px solid rgba(13, 74, 58, 0.2);
        }

        .badge-lime {
            background-color: rgba(163, 230, 53, 0.2);
            color: #4d7c0f;
            border: 1px solid rgba(163, 230, 53, 0.4);
        }

        .data-table-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            background-color: var(--white);
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 560px;
            font-size: 0.95rem;
        }

        .data-table th {
            background-color: var(--deep-green);
            color: var(--white);
            font-weight: 700;
            text-align: left;
            padding: 14px 18px;
            white-space: nowrap;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
        }

        .data-table td {
            padding: 12px 18px;
            border-bottom: 1px solid var(--border-light);
            color: #374151;
        }

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

        .data-table tbody tr:hover {
            background-color: rgba(13, 74, 58, 0.03);
        }

        .chart-bar-container {
            display: flex;
            align-items: flex-end;
            gap: 12px;
            height: 220px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .chart-bar-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            min-width: 40px;
        }

        .chart-bar {
            width: 100%;
            max-width: 56px;
            border-radius: 6px 6px 0 0;
            background-color: var(--deep-green);
            transition: all 0.4s ease;
            position: relative;
        }

        .chart-bar.orange {
            background-color: var(--energy-orange);
        }

        .chart-bar.lime {
            background-color: var(--speed-lime);
        }

        .chart-bar-label {
            font-size: 0.75rem;
            color: #6b7280;
            font-weight: 500;
            white-space: nowrap;
        }

        .chart-bar-value {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-dark);
        }

        .comparison-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .comparison-card.highlight {
            border-left: 4px solid var(--energy-orange);
            background-color: rgba(249, 115, 22, 0.03);
        }

        .comparison-card.primary-highlight {
            border-left: 4px solid var(--deep-green);
            background-color: rgba(13, 74, 58, 0.03);
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 22px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 2px solid var(--border-light);
            background-color: var(--white);
            color: #4b5563;
            white-space: nowrap;
            transition: all var(--transition-base);
            cursor: pointer;
            min-height: 40px;
        }

        .filter-tag:hover {
            border-color: var(--deep-green);
            color: var(--deep-green);
        }

        .filter-tag.active {
            background-color: var(--deep-green);
            color: var(--white);
            border-color: var(--deep-green);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: #6b7280;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: #6b7280;
            transition: color var(--transition-base);
        }

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

        .breadcrumb-separator {
            color: #9ca3af;
            font-size: 0.75rem;
        }

        .page-header-band {
            background-color: #f0ede7;
            border-bottom: 1px solid var(--border-light);
            padding: 28px 0;
        }

        .trend-chart-area {
            background-color: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .footer {
            background-color: #1A1A1A;
            color: #e5e7eb;
            padding: 56px 0 32px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: #9ca3af;
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-col ul li a {
            color: #9ca3af;
            font-size: 0.88rem;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px 16px;
            font-size: 0.8rem;
            color: #9ca3af;
        }

        .footer-links-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .footer-links-row a {
            color: #9ca3af;
            transition: color var(--transition-base);
        }

        .footer-links-row a:hover {
            color: var(--energy-orange);
        }

        .footer-links-row span {
            color: #4b5563;
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-links-row {
                margin-left: 0;
            }
        }

        @media (max-width: 767px) {
            section {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }

            .section-title {
                font-size: 1.6rem;
            }

            .section-subtitle {
                font-size: 0.95rem;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-brand-row {
                height: 52px;
            }

            .header-search {
                display: none;
            }

            .header-login-btn {
                padding: 6px 14px;
                font-size: 0.82rem;
            }

            .header-logo {
                font-size: 1.15rem;
                gap: 8px;
            }

            .header-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.95rem;
                border-radius: 7px;
            }

            .channel-tab {
                padding: 0 12px;
                font-size: 0.8rem;
                height: 32px;
            }

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

            .footer-brand {
                grid-column: auto;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .footer-links-row {
                margin-left: 0;
            }

            .comparison-card {
                padding: 20px;
            }

            .trend-chart-area {
                padding: 16px;
                overflow-x: auto;
            }

            .chart-bar-container {
                min-width: 480px;
            }

            .data-table-wrapper {
                border-radius: var(--radius-sm);
            }
        }

        @media (max-width: 480px) {
            .section-title {
                font-size: 1.4rem;
            }

            .btn-primary {
                padding: 10px 20px;
                font-size: 0.9rem;
            }

            .btn-outline {
                padding: 8px 18px;
                font-size: 0.85rem;
            }

            .comparison-card {
                padding: 16px;
            }
        }