/* roulang page: index */
:root {
            --bg: #F3F3ED;
            --surface: #FFFFFF;
            --ink: #121613;
            --muted: #687068;
            --line: #D8DED3;
            --primary: #D6F058;
            --primary-ink: #121613;
            --secondary: #1C6B3B;
            --danger: #B33A3A;
            --shadow: 0 12px 32px rgba(18,22,19,.06);
            --shadow-lg: 0 24px 56px rgba(18,22,19,.1);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-xs: 6px;
            --font-sans: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
            --font-mono: 'DIN Alternate','Roboto Mono','Courier New',monospace;
            --transition: .25s ease;
            --header-h: 72px;
            --header-h-mobile: 60px;
            --bottom-tab-h: 64px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        @media (prefers-reduced-motion: reduce) {
            html { scroll-behavior: auto; }
            *,
            *::before,
            *::after {
                transition-duration: .01ms !important;
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
            }
        }

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

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

        a:hover,
        a:focus {
            color: var(--secondary);
            text-decoration: none;
        }

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

        h1, h2, h3, h4, h5, h6 {
            color: var(--ink);
            margin: 0 0 .6em;
            line-height: 1.16;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        h1 {
            font-size: clamp(2rem, 4.5vw, 3.75rem);
            line-height: 1.08;
            letter-spacing: -0.03em;
        }

        h2 {
            font-size: clamp(1.65rem, 3vw, 2.4rem);
        }

        h3 {
            font-size: clamp(1.2rem, 2vw, 1.45rem);
            font-weight: 600;
        }

        p {
            margin: 0 0 1.25em;
            color: var(--muted);
            font-size: 1rem;
        }

        .container-wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 80px 0;
            position: relative;
        }

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

        .section-dark {
            background: var(--ink);
            color: #fff;
        }

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

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.35rem);
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 680px;
            margin-bottom: 40px;
        }

        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--secondary);
            background: rgba(28,107,59,.08);
            border-radius: var(--radius-xs);
            padding: 5px 12px;
            margin-bottom: 16px;
        }

        .section-dark .section-title,
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-dark .section-sub,
        .section-dark p {
            color: rgba(255,255,255,.7);
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
            height: var(--header-h);
            display: flex;
            align-items: center;
        }

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

        .brand-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--primary-ink);
            flex-shrink: 0;
        }

        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--ink);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 13px;
            border-radius: var(--radius-xs);
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            left: 13px;
            right: 13px;
            bottom: 4px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .22s ease;
        }

        .nav-desktop a:hover::after,
        .nav-desktop a:focus::after,
        .nav-desktop a.active::after {
            transform: scaleX(1);
        }

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

        .nav-desktop a.active::before {
            content: '';
            position: absolute;
            left: 13px;
            bottom: -4px;
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--ink);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }

        .hamburger-btn:hover,
        .hamburger-btn:focus {
            background: rgba(18,22,19,.05);
        }

        /* 移动端抽屉菜单 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-h-mobile);
            left: 0;
            right: 0;
            bottom: var(--bottom-tab-h);
            background: var(--surface);
            z-index: 999;
            padding: 24px 20px;
            overflow-y: auto;
            border-top: 1px solid var(--line);
            box-shadow: var(--shadow-lg);
            transform: translateY(-12px);
            opacity: 0;
            pointer-events: none;
            transition: opacity .25s ease, transform .25s ease;
        }

        .mobile-drawer.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-drawer a {
            display: block;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            padding: 14px 12px;
            border-bottom: 1px solid var(--line);
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a:focus {
            background: rgba(214,240,88,.12);
        }

        .mobile-drawer a.active {
            background: rgba(214,240,88,.18);
            font-weight: 600;
        }

        /* 移动端底部Tab */
        .bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: var(--bottom-tab-h);
            background: var(--surface);
            border-top: 1px solid var(--line);
            z-index: 1000;
            padding-bottom: env(safe-area-inset-bottom, 0);
            box-shadow: 0 -4px 16px rgba(18,22,19,.05);
        }

        .bottom-tabs-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 520px;
            margin: 0 auto;
            padding: 4px 0;
        }

        .bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            font-size: 11px;
            color: var(--muted);
            text-decoration: none;
            padding: 4px 10px;
            min-width: 56px;
            min-height: 44px;
            justify-content: center;
            border-radius: var(--radius-xs);
            position: relative;
            transition: color var(--transition);
        }

        .bottom-tab-item i {
            font-size: 19px;
            line-height: 1;
        }

        .bottom-tab-item span {
            font-size: 10px;
            letter-spacing: .02em;
        }

        .bottom-tab-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 0 0 2px 2px;
            opacity: 0;
            transition: opacity .22s ease;
        }

        .bottom-tab-item.active {
            color: var(--ink);
            font-weight: 600;
        }

        .bottom-tab-item.active::before {
            opacity: 1;
        }

        .bottom-tab-item:hover,
        .bottom-tab-item:focus {
            color: var(--ink);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            padding: 80px 0 100px;
            background: url('/assets/images/bb4c82c0d98ceced.webp') center / cover no-repeat;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: rgba(18,22,19,.56);
            z-index: 1;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 40px;
            align-items: center;
        }

        .hero-content h1 {
            color: #fff;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0,0,0,.3);
        }

        .hero-content .hero-sub {
            font-size: 1.15rem;
            color: rgba(255,255,255,.85);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .hero-data-panel {
            background: rgba(18,22,19,.72);
            border: 1px solid rgba(255,255,255,.16);
            border-radius: var(--radius);
            padding: 24px 22px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-data-panel .data-panel-title {
            font-size: 13px;
            font-weight: 500;
            color: rgba(255,255,255,.6);
            text-transform: uppercase;
            letter-spacing: .05em;
            margin-bottom: 16px;
        }

        .data-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .data-item {
            background: rgba(255,255,255,.05);
            border-radius: var(--radius-sm);
            padding: 14px 12px;
            text-align: center;
        }

        .data-item .data-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }

        .data-item .data-label {
            font-size: 12px;
            color: rgba(255,255,255,.6);
            margin-top: 4px;
        }

        .hero-coupon-strip {
            margin-top: 20px;
            background: rgba(255,255,255,.08);
            border: 1px dashed rgba(255,255,255,.25);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-coupon-strip .coupon-text {
            font-size: 14px;
            color: #fff;
            font-weight: 500;
        }

        .hero-coupon-strip .coupon-text strong {
            color: var(--primary);
            font-weight: 700;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 0 28px;
            height: 48px;
            cursor: pointer;
            border: none;
            transition: all .22s ease;
            text-decoration: none;
            letter-spacing: .01em;
        }

        .btn:active {
            transform: scale(.98);
        }

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

        .btn-primary:hover,
        .btn-primary:focus {
            background: #C2E33A;
            color: var(--primary-ink);
        }

        .btn-secondary-dark {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,.35);
        }

        .btn-secondary-dark:hover,
        .btn-secondary-dark:focus {
            background: var(--ink);
            border-color: var(--ink);
            color: #fff;
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--ink);
            border: 2px solid var(--ink);
        }

        .btn-outline-dark:hover,
        .btn-outline-dark:focus {
            background: var(--ink);
            color: #fff;
        }

        .btn-sm {
            height: 38px;
            padding: 0 18px;
            font-size: 13px;
        }

        .btn-lg {
            height: 52px;
            padding: 0 36px;
            font-size: 16px;
        }

        /* ===== 品牌介绍 ===== */
        .brand-intro-section {
            background: var(--surface);
            border-bottom: 1px solid var(--line);
        }

        .brand-intro-grid {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-intro-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .brand-intro-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius);
            transition: transform .3s ease;
        }

        .brand-intro-image:hover img {
            transform: scale(1.02);
        }

        .brand-intro-text h2 {
            margin-bottom: 18px;
        }

        .brand-intro-text p {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        /* ===== 服务矩阵（非对称网格） ===== */
        .service-matrix {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: auto auto auto;
            gap: 24px;
        }

        .service-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            transition: transform .25s ease, box-shadow .25s ease;
            border: 1px solid var(--line);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

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

        .service-card.large {
            grid-column: span 1;
            grid-row: span 2;
            padding: 32px 28px;
        }

        .service-card .card-icon {
            width: 48px;
            height: 48px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary-ink);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .service-card h3 {
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: .95rem;
            color: var(--muted);
            margin-bottom: 0;
        }

        .service-card .card-tag {
            display: inline-block;
            font-size: 12px;
            background: rgba(214,240,88,.18);
            color: var(--secondary);
            padding: 4px 10px;
            border-radius: var(--radius-xs);
            font-weight: 500;
            margin-top: 14px;
            align-self: flex-start;
        }

        /* ===== 结果对比 ===== */
        .compare-section {
            background: var(--bg);
        }

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

        .compare-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--line);
            padding: 24px 20px;
            text-align: center;
            transition: transform .25s ease, box-shadow .25s ease;
        }

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

        .compare-card .compare-vs {
            font-family: var(--font-mono);
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .compare-card h4 {
            font-size: 1.1rem;
            margin-bottom: 14px;
        }

        .compare-card .compare-results {
            display: flex;
            flex-direction: column;
            gap: 8px;
            text-align: left;
        }

        .compare-card .compare-results span {
            font-size: 14px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .compare-card .compare-results span i {
            color: var(--secondary);
            font-size: 12px;
        }

        /* ===== 里程碑时间轴 ===== */
        .timeline-section {
            background: var(--surface);
        }

        .timeline-track {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            position: relative;
            padding: 20px 0;
            gap: 12px;
            overflow-x: auto;
        }

        .timeline-track::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--line), var(--secondary), var(--line));
            border-radius: 2px;
        }

        .timeline-node {
            flex: 1;
            min-width: 120px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .timeline-node .node-dot {
            width: 16px;
            height: 16px;
            background: var(--primary);
            border: 3px solid var(--surface);
            border-radius: 50%;
            margin: 0 auto 12px;
            position: relative;
            box-shadow: 0 0 0 3px var(--secondary);
        }

        .timeline-node .node-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 4px;
        }

        .timeline-node .node-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.5;
        }

        /* ===== 影像图集 ===== */
        .gallery-section {
            background: var(--bg);
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .gallery-item {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 4/3;
            position: relative;
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

        .gallery-item:hover img {
            transform: scale(1.04);
        }

        .gallery-item::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(18,22,19,.45));
            border-radius: var(--radius);
            pointer-events: none;
        }

        .gallery-item .gallery-caption {
            position: absolute;
            bottom: 12px;
            left: 12px;
            right: 12px;
            color: #fff;
            font-size: 13px;
            z-index: 2;
            font-weight: 500;
            text-shadow: 0 1px 6px rgba(0,0,0,.3);
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            background: var(--surface);
        }

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

        .news-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform .25s ease, box-shadow .25s ease;
            border: 1px solid var(--line);
            display: flex;
            flex-direction: column;
        }

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

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

        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

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

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

        .news-card .news-date {
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 4px;
            font-weight: 500;
        }

        .news-card .news-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-card .news-summary {
            font-size: 14px;
            color: var(--muted);
            flex: 1;
        }

        .news-more {
            margin-top: 28px;
            display: flex;
            justify-content: flex-end;
        }

        /* ===== 平台保障 ===== */
        .guarantee-section {
            background: var(--bg);
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guarantee-item {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 22px 18px;
            text-align: center;
            border: 1px solid var(--line);
            transition: transform .25s ease;
        }

        .guarantee-item:hover {
            transform: translateY(-3px);
        }

        .guarantee-item .g-icon {
            font-size: 1.6rem;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .guarantee-item h4 {
            font-size: 1rem;
            margin-bottom: 6px;
        }

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

        /* ===== 快速解答 ===== */
        .quick-faq-section {
            background: var(--surface);
        }

        .quick-faq-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .quick-faq-item {
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            border: 1px solid var(--line);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .quick-faq-item .qf-icon {
            color: var(--secondary);
            font-size: 1rem;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .quick-faq-item .qf-text strong {
            display: block;
            font-size: 14px;
            color: var(--ink);
            margin-bottom: 4px;
        }

        .quick-faq-item .qf-text span {
            font-size: 13px;
            color: var(--muted);
        }

        /* ===== FAQ Accordion ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition);
        }

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

        .faq-item .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background var(--transition);
            letter-spacing: 0;
        }

        .faq-item .faq-question:hover {
            background: #F7F8F4;
        }

        .faq-item .faq-question .faq-arrow {
            font-size: 13px;
            color: var(--secondary);
            transition: transform .22s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 240px;
            padding: 0 20px 18px;
        }

        .faq-item .faq-answer p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 表单 ===== */
        .form-section {
            background: var(--surface);
        }

        .form-grid {
            display: grid;
            grid-template-columns: .8fr 1.2fr;
            gap: 48px;
            align-items: start;
        }

        .form-left h2 {
            margin-bottom: 14px;
        }

        .form-left p {
            color: var(--muted);
        }

        .form-left .form-benefits {
            list-style: none;
            margin: 20px 0 0;
            padding: 0;
        }

        .form-left .form-benefits li {
            font-size: 14px;
            color: var(--muted);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .form-left .form-benefits li i {
            color: var(--secondary);
            font-size: 13px;
        }

        .form-panel {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            border: 1px solid var(--line);
        }

        .form-panel label {
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            margin-bottom: 6px;
            display: block;
        }

        .form-panel input,
        .form-panel select,
        .form-panel textarea {
            width: 100%;
            height: 48px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 0 16px;
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--ink);
            background: var(--surface);
            margin-bottom: 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-panel textarea {
            height: auto;
            padding: 14px 16px;
            resize: vertical;
            min-height: 100px;
        }

        .form-panel input:focus,
        .form-panel select:focus,
        .form-panel textarea:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 2px 0 var(--primary);
        }

        .form-panel .btn {
            width: 100%;
            margin-top: 4px;
        }

        /* ===== 底部CTA横条 ===== */
        .cta-bar-section {
            background: var(--ink);
            padding: 56px 0;
        }

        .cta-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }

        .cta-bar-inner h2 {
            color: #fff;
            margin-bottom: 6px;
            font-size: 1.85rem;
        }

        .cta-bar-inner p {
            color: rgba(255,255,255,.65);
            margin-bottom: 0;
            font-size: 1.05rem;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0D0F0D;
            color: rgba(255,255,255,.7);
            padding: 56px 0 32px;
            border-top: 1px solid rgba(255,255,255,.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
        }

        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255,255,255,.55);
            line-height: 1.7;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255,255,255,.55);
            padding: 5px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover,
        .footer-col a:focus {
            color: var(--primary);
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255,255,255,.45);
        }

        .footer-bottom a {
            color: rgba(255,255,255,.45);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-data-panel {
                max-width: 600px;
            }

            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .brand-intro-image img {
                height: 260px;
            }

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

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

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

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

            .form-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 60px;
            }

            .section {
                padding: 48px 0;
            }

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

            .site-header {
                height: var(--header-h);
            }

            .nav-desktop {
                display: none;
            }

            .hamburger-btn {
                display: block;
            }

            .mobile-drawer {
                display: block;
                top: var(--header-h);
                bottom: var(--bottom-tab-h);
            }

            .bottom-tabs {
                display: block;
            }

            .hero-section {
                min-height: auto;
                padding: 64px 0 72px;
            }

            .hero-content h1 {
                font-size: 1.9rem;
            }

            .hero-content .hero-sub {
                font-size: 1rem;
            }

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .data-item .data-value {
                font-size: 1.5rem;
            }

            .service-matrix {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }

            .service-card.large {
                grid-column: span 1;
                grid-row: span 1;
            }

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

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

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

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

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

            .timeline-track {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
                overflow-x: visible;
            }

            .timeline-track::before {
                display: none;
            }

            .timeline-node {
                min-width: auto;
                display: flex;
                align-items: center;
                gap: 12px;
                text-align: left;
                width: 100%;
            }

            .timeline-node .node-dot {
                margin: 0;
                flex-shrink: 0;
            }

            .cta-bar-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 18px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .hero-coupon-strip {
                flex-direction: column;
                align-items: flex-start;
            }

            .container-wrap {
                padding: 0 18px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 1.7rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .btn {
                padding: 0 20px;
                font-size: 14px;
                height: 44px;
            }

            .btn-lg {
                height: 48px;
                padding: 0 26px;
            }

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

            .hero-section {
                padding: 48px 0 56px;
            }

            .hero-content .hero-sub {
                font-size: .95rem;
            }

            .hero-coupon-strip {
                padding: 12px;
            }

            .form-panel {
                padding: 20px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --bg: #F3F3ED;
            --surface: #FFFFFF;
            --ink: #121613;
            --muted: #687068;
            --line: #D8DED3;
            --primary: #D6F058;
            --primary-ink: #121613;
            --secondary: #1C6B3B;
            --danger: #B33A3A;
            --shadow: 0 12px 32px rgba(18, 22, 19, .06);
            --shadow-lg: 0 24px 56px rgba(18, 22, 19, .1);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-xs: 6px;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'Courier New', monospace;
            --transition: .25s ease;
            --header-h: 72px;
            --header-h-mobile: 60px;
            --bottom-tab-h: 64px;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

        a:hover,
        a:focus {
            color: var(--secondary);
            text-decoration: none;
        }

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

        .container-wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 72px 0;
            position: relative;
        }

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

        .section-dark {
            background: var(--ink);
            color: #fff;
        }

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

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.35rem);
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 680px;
            margin-bottom: 40px;
        }

        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--secondary);
            background: rgba(28, 107, 59, .08);
            border-radius: var(--radius-xs);
            padding: 5px 12px;
            margin-bottom: 16px;
        }

        .section-dark .section-title,
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-dark .section-sub,
        .section-dark p {
            color: rgba(255, 255, 255, .7);
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
            height: var(--header-h);
            display: flex;
            align-items: center;
        }

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

        .brand-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--primary-ink);
            flex-shrink: 0;
        }

        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--ink);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 13px;
            border-radius: var(--radius-xs);
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            left: 13px;
            right: 13px;
            bottom: 4px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .22s ease;
        }

        .nav-desktop a:hover::after,
        .nav-desktop a:focus::after,
        .nav-desktop a.active::after {
            transform: scaleX(1);
        }

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

        .nav-desktop a.active::before {
            content: '';
            position: absolute;
            left: 13px;
            bottom: -1px;
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--ink);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }

        .hamburger-btn:hover {
            background: rgba(18, 22, 19, .05);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-row .separator {
            color: #c0c7bd;
            font-size: 12px;
        }

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

        /* ===== 分类标题区 ===== */
        .page-head {
            padding: 56px 0 40px;
            background: var(--surface);
            border-bottom: 1px solid var(--line);
        }

        .page-head h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 16px;
            color: var(--ink);
        }

        .page-head .lead {
            font-size: 1.1rem;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== 实时状态条 ===== */
        .live-status-bar {
            background: var(--ink);
            color: #fff;
            padding: 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-bottom: 48px;
        }

        .live-status-bar .status-grid {
            display: grid;
            grid-template-columns: 1.2fr 2fr 1fr;
            gap: 0;
        }

        .status-panel {
            padding: 28px 30px;
            border-right: 1px solid rgba(255, 255, 255, .1);
        }

        .status-panel:last-child {
            border-right: none;
        }

        .status-panel .label {
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            text-transform: uppercase;
            letter-spacing: .04em;
            margin-bottom: 8px;
            display: block;
        }

        .status-panel .value {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            tabular-nums: numeric;
        }

        .status-panel .value.sub {
            font-size: 1.4rem;
            color: #fff;
        }

        .status-panel .value.muted-text {
            color: rgba(255, 255, 255, .7);
            font-size: 1.2rem;
        }

        .status-panel .unit {
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            margin-left: 6px;
            font-family: var(--font-sans);
        }

        .config-strip {
            background: #1a1f1a;
            padding: 16px 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }

        .config-strip .config-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
        }

        .config-strip .config-item strong {
            color: var(--primary);
            font-weight: 600;
        }

        .config-strip .btn-sm {
            background: var(--primary);
            color: var(--primary-ink);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: background var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .config-strip .btn-sm:hover {
            background: #c2e33a;
        }

        /* ===== 比赛列表卡片 ===== */
        .match-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .match-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 28px;
            display: flex;
            align-items: center;
            gap: 24px;
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--line);
            flex-wrap: wrap;
        }

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

        .match-card .match-img {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .match-card .match-info {
            flex: 1;
            min-width: 200px;
        }

        .match-card .match-info h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--ink);
        }

        .match-card .match-info .meta {
            font-size: 13px;
            color: var(--muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .match-card .match-score {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--ink);
            tabular-nums: numeric;
            text-align: center;
            min-width: 100px;
        }

        .match-card .match-score .vs {
            font-size: 1rem;
            color: var(--muted);
            font-weight: 400;
            margin: 0 8px;
        }

        .match-card .match-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .status-live {
            background: rgba(214, 240, 88, .15);
            color: #8fa32b;
        }

        .status-live::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            animation: pulse-dot 1.4s ease infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: .3; }
        }

        .status-finished {
            background: #efefe9;
            color: var(--muted);
        }

        .status-upcoming {
            background: rgba(28, 107, 59, .08);
            color: var(--secondary);
        }

        /* ===== 快捷计分规则 ===== */
        .rule-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .rule-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 22px;
            transition: border-color var(--transition), transform var(--transition);
        }

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

        .rule-card .rule-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-xs);
            background: rgba(214, 240, 88, .2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .rule-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--ink);
        }

        .rule-card p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== 适用赛事类型 ===== */
        .event-types {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .event-type-card {
            background: var(--surface);
            border-radius: var(--radius-sm);
            padding: 20px 22px;
            border: 1px solid var(--line);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: border-color var(--transition);
        }

        .event-type-card:hover {
            border-color: var(--primary);
        }

        .event-type-card .event-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-xs);
            background: rgba(28, 107, 59, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--secondary);
            flex-shrink: 0;
        }

        .event-type-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--ink);
        }

        .event-type-card p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item:hover {
            border-color: #c8d0c2;
            box-shadow: var(--shadow);
        }

        .faq-question {
            background: var(--surface);
            border: none;
            width: 100%;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: background var(--transition);
            text-align: left;
            font-family: var(--font-sans);
        }

        .faq-question:hover {
            background: #f7f8f4;
        }

        .faq-question .fa-chevron-down {
            font-size: 14px;
            color: var(--secondary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-question[aria-expanded="true"] .fa-chevron-down {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
        }

        .faq-answer p {
            margin-bottom: 0;
        }

        /* ===== CTA 表单 ===== */
        .cta-panel {
            background: var(--ink);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-panel .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }

        .cta-info {
            padding: 48px 40px;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .cta-info h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-info p {
            color: rgba(255, 255, 255, .7);
            margin-bottom: 0;
            font-size: 1.05rem;
        }

        .cta-form {
            padding: 48px 40px;
            background: #1a1f1a;
        }

        .cta-form .form-field {
            margin-bottom: 20px;
        }

        .cta-form label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 8px;
        }

        .cta-form input,
        .cta-form select {
            width: 100%;
            height: 48px;
            padding: 0 16px;
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, .06);
            color: #fff;
            font-size: 15px;
            font-family: var(--font-sans);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, .4);
        }

        .cta-form input:focus,
        .cta-form select:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 2px rgba(214, 240, 88, .2);
        }

        .cta-form select option {
            background: #1a1f1a;
            color: #fff;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--primary-ink);
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            justify-content: center;
            width: 100%;
            font-family: var(--font-sans);
        }

        .btn-primary:hover {
            background: #c2e33a;
        }

        .btn-primary:active {
            transform: scale(.98);
        }

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

        /* ===== 图片遮罩 ===== */
        .img-overlay-wrap {
            position: relative;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .img-overlay-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(18, 22, 19, .2);
            pointer-events: none;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink);
            color: #fff;
            padding: 64px 0 32px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            margin-bottom: 10px;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }

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

        /* ===== 移动端底部Tab ===== */
        .bottom-tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--surface);
            border-top: 1px solid var(--line);
            height: var(--bottom-tab-h);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }

        .bottom-tab-bar .tab-inner {
            display: flex;
            align-items: stretch;
            height: 100%;
            max-width: 520px;
            margin: 0 auto;
            padding: 0 8px;
        }

        .bottom-tab-bar .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            color: var(--muted);
            position: relative;
            transition: color var(--transition);
            min-height: 44px;
            cursor: pointer;
            text-decoration: none;
        }

        .bottom-tab-bar .tab-item i {
            font-size: 18px;
            line-height: 1;
        }

        .bottom-tab-bar .tab-item.active {
            color: var(--ink);
            font-weight: 600;
        }

        .bottom-tab-bar .tab-item.active::before {
            content: '';
            position: absolute;
            top: 0;
            left: 20%;
            right: 20%;
            height: 3px;
            background: var(--primary);
            border-radius: 0 0 2px 2px;
        }

        .bottom-tab-bar .tab-item:hover {
            color: var(--ink);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 0;
            }
            .nav-desktop a {
                padding: 8px 8px;
                font-size: 14px;
            }
            .live-status-bar .status-grid {
                grid-template-columns: 1fr 1fr;
            }
            .status-panel {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, .1);
            }
            .cta-panel .cta-grid {
                grid-template-columns: 1fr;
            }
            .cta-info {
                padding: 36px 28px;
            }
            .cta-form {
                padding: 36px 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 60px;
            }

            .site-header {
                height: var(--header-h);
            }

            .hamburger-btn {
                display: block;
            }

            .nav-desktop {
                display: none;
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: var(--surface);
                border-bottom: 1px solid var(--line);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow);
                max-height: calc(100vh - var(--header-h) - var(--bottom-tab-h));
                overflow-y: auto;
            }

            .nav-desktop.mobile-open {
                display: flex;
            }

            .nav-desktop a {
                padding: 12px 16px;
                font-size: 16px;
                border-bottom: 1px solid #f0f0ea;
            }

            .nav-desktop a::after {
                display: none;
            }

            .nav-desktop a.active {
                background: rgba(214, 240, 88, .15);
            }

            .bottom-tab-bar {
                display: block;
            }

            .section {
                padding: 56px 0;
            }

            .page-head {
                padding: 36px 0 28px;
            }

            .page-head h1 {
                font-size: clamp(1.6rem, 6vw, 2.2rem);
            }

            .live-status-bar .status-grid {
                grid-template-columns: 1fr;
            }

            .status-panel {
                padding: 20px 22px;
            }

            .config-strip {
                padding: 14px 22px;
            }

            .match-card {
                padding: 18px 20px;
                gap: 16px;
            }

            .match-card .match-img {
                width: 80px;
                height: 56px;
            }

            .match-card .match-score {
                font-size: 1.6rem;
                min-width: 80px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            body {
                padding-bottom: var(--bottom-tab-h);
            }

            .cta-info h2 {
                font-size: 1.5rem;
            }

            .status-panel .value {
                font-size: 1.8rem;
            }
        }

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

            .section {
                padding: 44px 0;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .match-card {
                flex-direction: column;
                align-items: flex-start;
            }

            .match-card .match-img {
                width: 100%;
                height: 140px;
                border-radius: var(--radius-sm);
            }

            .match-card .match-info {
                width: 100%;
            }

            .match-card .match-score {
                font-size: 1.8rem;
                width: 100%;
                text-align: left;
            }

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

            .event-types {
                grid-template-columns: 1fr;
            }

            .cta-info {
                padding: 28px 20px;
            }

            .cta-form {
                padding: 28px 20px;
            }

            .bottom-tab-bar .tab-item {
                font-size: 10px;
            }

            .bottom-tab-bar .tab-item i {
                font-size: 16px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: .01ms !important;
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
            }
        }

/* roulang page: category2 */
:root {
            --bg: #F3F3ED;
            --surface: #FFFFFF;
            --ink: #121613;
            --muted: #687068;
            --line: #D8DED3;
            --primary: #D6F058;
            --primary-ink: #121613;
            --secondary: #1C6B3B;
            --danger: #B33A3A;
            --shadow: 0 12px 32px rgba(18, 22, 19, .06);
            --shadow-lg: 0 24px 56px rgba(18, 22, 19, .1);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-xs: 6px;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'Courier New', monospace;
            --transition: .25s ease;
            --header-h: 72px;
            --header-h-mobile: 60px;
            --bottom-tab-h: 64px;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-bottom: 0;
        }

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

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

        a:hover,
        a:focus {
            color: var(--secondary);
            text-decoration: none;
        }

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

        .container-wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 72px 0;
            position: relative;
        }

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

        .section-dark {
            background: var(--ink);
            color: #fff;
        }

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

        .section-title {
            font-size: clamp(1.7rem, 2.6vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .section-sub {
            font-size: 1.02rem;
            color: var(--muted);
            max-width: 660px;
            margin-bottom: 36px;
            line-height: 1.7;
        }

        .section-kicker {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .05em;
            text-transform: uppercase;
            color: var(--secondary);
            background: rgba(28, 107, 59, .08);
            border-radius: var(--radius-xs);
            padding: 4px 11px;
            margin-bottom: 14px;
        }

        .section-dark .section-title,
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-dark .section-sub,
        .section-dark p {
            color: rgba(255, 255, 255, .7);
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .97);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
            height: var(--header-h);
            display: flex;
            align-items: center;
        }

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

        .brand-logo {
            font-size: 1.28rem;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--primary-ink);
            flex-shrink: 0;
        }

        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--ink);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .nav-desktop a {
            font-size: 14.5px;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 12px;
            border-radius: var(--radius-xs);
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 3px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .22s ease;
        }

        .nav-desktop a:hover::after,
        .nav-desktop a:focus::after,
        .nav-desktop a.active::after {
            transform: scaleX(1);
        }

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

        .nav-desktop a.active::before {
            content: '';
            position: absolute;
            left: 12px;
            bottom: -5px;
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.45rem;
            color: var(--ink);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }

        .hamburger-btn:hover {
            background: rgba(18, 22, 19, .05);
        }

        /* ===== 移动端抽屉菜单 ===== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-h-mobile);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--surface);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
            border-top: 1px solid var(--line);
        }

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

        .mobile-drawer a {
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--ink);
            padding: 14px 12px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: background var(--transition), color var(--transition);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: rgba(214, 240, 88, .15);
            color: var(--ink);
        }

        .mobile-drawer a i {
            width: 20px;
            text-align: center;
            color: var(--secondary);
        }

        /* ===== 移动端底部Tab ===== */
        .bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 998;
            background: #fff;
            border-top: 1px solid var(--line);
            height: var(--bottom-tab-h);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }

        .bottom-tabs a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            font-size: 10.5px;
            font-weight: 500;
            color: var(--muted);
            position: relative;
            padding: 4px 0;
            min-height: 44px;
            transition: color var(--transition);
        }

        .bottom-tabs a i {
            font-size: 17px;
            transition: transform var(--transition);
        }

        .bottom-tabs a:hover {
            color: var(--ink);
        }

        .bottom-tabs a.active {
            color: var(--ink);
            font-weight: 600;
        }

        .bottom-tabs a.active::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            background: var(--primary);
            border-radius: 0 0 4px 4px;
        }

        .bottom-tabs a.active i {
            transform: translateY(-1px);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--secondary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .breadcrumb-bar .sep {
            color: #b0b8b0;
            font-size: 11px;
        }

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

        /* ===== 分类标题区 ===== */
        .category-hero {
            padding: 48px 0 28px;
            background: linear-gradient(135deg, rgba(214, 240, 88, .08) 0%, rgba(243, 243, 237, .6) 100%);
            border-bottom: 1px solid var(--line);
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: var(--primary);
            border-radius: 50%;
            opacity: .12;
            pointer-events: none;
        }

        .category-hero h1 {
            font-size: clamp(2rem, 3.6vw, 2.85rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin: 0 0 14px;
            position: relative;
            z-index: 2;
        }

        .category-hero .cat-summary {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.7;
            position: relative;
            z-index: 2;
            margin-bottom: 0;
        }

        /* ===== 显示样式面板 ===== */
        .scoreboard-preview {
            background: var(--ink);
            border-radius: var(--radius);
            padding: 36px 28px 32px;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .scoreboard-preview::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 40%, rgba(214, 240, 88, .06) 0%, transparent 70%);
            pointer-events: none;
        }

        .sb-screen {
            width: 100%;
            max-width: 640px;
            background: #0a0d0b;
            border-radius: 10px;
            padding: 26px 22px 22px;
            border: 1px solid rgba(255, 255, 255, .08);
            position: relative;
            z-index: 2;
            box-shadow: inset 0 0 60px rgba(0, 0, 0, .5);
        }

        .sb-screen .sb-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .sb-screen .sb-match-label {
            font-size: 12px;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, .5);
            font-weight: 600;
        }

        .sb-screen .sb-clock {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .04em;
            line-height: 1;
            font-variant-numeric: tabular-nums;
            text-shadow: 0 0 20px rgba(214, 240, 88, .35);
        }

        .sb-screen .sb-teams {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }

        .sb-team-name {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            text-align: center;
            letter-spacing: .02em;
            line-height: 1.3;
        }

        .sb-team-name .sb-side {
            display: block;
            font-size: 11px;
            font-weight: 500;
            color: rgba(255, 255, 255, .45);
            letter-spacing: .08em;
            text-transform: uppercase;
            margin-bottom: 2px;
        }

        .sb-score-mid {
            font-family: var(--font-mono);
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: .05em;
            line-height: 1;
            font-variant-numeric: tabular-nums;
            text-align: center;
        }

        .sb-screen .sb-stats {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .sb-stat-pill {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 12px;
            color: rgba(255, 255, 255, .65);
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }

        .sb-stat-pill .stat-val {
            font-family: var(--font-mono);
            color: var(--primary);
            font-weight: 700;
            font-size: 13px;
        }

        .preview-caption {
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            margin-top: 14px;
            position: relative;
            z-index: 2;
            letter-spacing: .03em;
        }

        /* ===== 功能卡片列表 ===== */
        .feature-grid-tools {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
        }

        .tool-feature-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--line);
            padding: 22px 20px;
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

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

        .tool-feature-card .tf-icon {
            width: 40px;
            height: 40px;
            background: rgba(214, 240, 88, .2);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--secondary);
            margin-bottom: 12px;
            flex-shrink: 0;
        }

        .tool-feature-card h3 {
            font-size: 1.02rem;
            font-weight: 600;
            margin: 0 0 8px;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        .tool-feature-card p {
            font-size: .88rem;
            color: var(--muted);
            line-height: 1.65;
            margin: 0;
        }

        .tool-feature-card.col-span-2 {
            grid-column: span 2;
        }

        .tool-feature-card.col-span-3 {
            grid-column: span 3;
        }

        .card-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .85rem;
            font-weight: 600;
            color: var(--secondary);
            margin-top: 16px;
            transition: gap var(--transition);
        }

        .card-more-link i {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .card-more-link:hover {
            gap: 10px;
        }

        .card-more-link:hover i {
            transform: translateX(3px);
        }

        /* ===== 显示风格切换 ===== */
        .style-switch-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .style-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--line);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .style-card .style-img-wrap {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #1a1e1a;
            position: relative;
        }

        .style-card .style-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

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

        .style-card .style-body {
            padding: 18px 18px 20px;
        }

        .style-card .style-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: .04em;
            background: rgba(28, 107, 59, .08);
            color: var(--secondary);
            border-radius: var(--radius-xs);
            padding: 3px 9px;
            margin-bottom: 8px;
        }

        .style-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 0 0 6px;
            line-height: 1.35;
        }

        .style-card p {
            font-size: .87rem;
            color: var(--muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== 端口适配 ===== */
        .port-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .port-item {
            background: var(--surface);
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            padding: 16px 14px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: border-color var(--transition);
        }

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

        .port-item .port-icon {
            width: 36px;
            height: 36px;
            background: rgba(28, 107, 59, .07);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: var(--secondary);
            flex-shrink: 0;
        }

        .port-item .port-info h4 {
            font-size: .93rem;
            font-weight: 600;
            margin: 0 0 3px;
            line-height: 1.3;
        }

        .port-item .port-info p {
            font-size: .82rem;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== 更新说明 ===== */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-left: 3px solid var(--line);
            padding-left: 22px;
            margin-left: 8px;
        }

        .update-item {
            position: relative;
            padding-bottom: 22px;
        }

        .update-item:last-child {
            padding-bottom: 0;
        }

        .update-item::before {
            content: '';
            position: absolute;
            left: -29px;
            top: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid var(--secondary);
        }

        .update-item .update-date {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .04em;
            color: var(--secondary);
            margin-bottom: 3px;
        }

        .update-item h4 {
            font-size: .98rem;
            font-weight: 600;
            margin: 0 0 4px;
            line-height: 1.35;
        }

        .update-item p {
            font-size: .87rem;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== CTA 表单 ===== */
        .cta-panel {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--line);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            box-shadow: var(--shadow);
        }

        .cta-panel .cta-left h3 {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin: 0 0 10px;
            line-height: 1.3;
        }

        .cta-panel .cta-left p {
            font-size: .95rem;
            color: var(--muted);
            margin: 0 0 16px;
            line-height: 1.7;
        }

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

        .cta-panel .cta-tag {
            font-size: 12px;
            font-weight: 500;
            background: rgba(214, 240, 88, .18);
            color: var(--primary-ink);
            border-radius: 20px;
            padding: 4px 12px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            font-size: .85rem;
            font-weight: 600;
            color: var(--ink);
            display: block;
            margin-bottom: 5px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            height: 46px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: .92rem;
            font-family: var(--font-sans);
            color: var(--ink);
            background: #fafaf7;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(28, 107, 59, .1);
        }

        .btn-primary {
            background: var(--primary);
            color: var(--primary-ink);
            border: none;
            border-radius: var(--radius-sm);
            height: 46px;
            padding: 0 24px;
            font-size: .95rem;
            font-weight: 700;
            cursor: pointer;
            font-family: var(--font-sans);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background var(--transition), transform var(--transition);
            letter-spacing: .02em;
        }

        .btn-primary:hover {
            background: #C2E33A;
        }

        .btn-primary:active {
            transform: scale(.98);
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink);
            color: #fff;
            padding: 56px 0 30px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .site-footer .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand p {
            font-size: .88rem;
            color: rgba(255, 255, 255, .6);
            line-height: 1.7;
            margin: 0;
            max-width: 300px;
        }

        .site-footer .footer-col h4 {
            font-size: .92rem;
            font-weight: 700;
            letter-spacing: .03em;
            margin-bottom: 14px;
            color: rgba(255, 255, 255, .85);
        }

        .site-footer .footer-col a {
            display: block;
            font-size: .87rem;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 8px;
            transition: color var(--transition);
            line-height: 1.5;
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, .55);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 0;
            }
            .nav-desktop a {
                font-size: 13.5px;
                padding: 8px 9px;
            }
            .feature-grid-tools {
                grid-template-columns: repeat(4, 1fr);
            }
            .tool-feature-card.col-span-2 {
                grid-column: span 2;
            }
            .tool-feature-card.col-span-3 {
                grid-column: span 2;
            }
            .port-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-panel {
                padding: 28px 22px;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 60px;
            }
            .site-header {
                height: var(--header-h);
            }
            .nav-desktop {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .bottom-tabs {
                display: flex;
            }
            body {
                padding-bottom: var(--bottom-tab-h);
            }
            .section {
                padding: 52px 0;
            }
            .category-hero {
                padding: 36px 0 20px;
            }
            .category-hero h1 {
                font-size: clamp(1.65rem, 5vw, 2.1rem);
            }
            .scoreboard-preview {
                padding: 24px 16px 20px;
                min-height: 220px;
            }
            .sb-screen .sb-clock {
                font-size: 1.8rem;
            }
            .sb-score-mid {
                font-size: 2rem;
            }
            .sb-screen .sb-teams {
                gap: 10px;
            }
            .feature-grid-tools {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .tool-feature-card.col-span-2,
            .tool-feature-card.col-span-3 {
                grid-column: span 2;
            }
            .style-switch-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .cta-panel {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 24px 18px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container-wrap {
                padding: 0 16px;
            }
            .feature-grid-tools {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .tool-feature-card.col-span-2,
            .tool-feature-card.col-span-3 {
                grid-column: span 1;
            }
            .port-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .update-list {
                margin-left: 4px;
                padding-left: 16px;
            }
            .update-item::before {
                left: -23px;
                width: 8px;
                height: 8px;
            }
            .cta-panel {
                padding: 20px 14px;
            }
            .cta-panel .cta-left h3 {
                font-size: 1.25rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .sb-screen {
                padding: 18px 12px 14px;
            }
            .sb-team-name {
                font-size: .85rem;
            }
            .sb-score-mid {
                font-size: 1.6rem;
            }
            .sb-screen .sb-clock {
                font-size: 1.4rem;
            }
            .sb-stat-pill {
                font-size: 10px;
                padding: 4px 9px;
            }
            .sb-stat-pill .stat-val {
                font-size: 11px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: .01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category3 */
:root {
  --bg: #F3F3ED;
  --surface: #FFFFFF;
  --ink: #121613;
  --muted: #687068;
  --line: #D8DED3;
  --primary: #D6F058;
  --primary-ink: #121613;
  --secondary: #1C6B3B;
  --danger: #B33A3A;
  --shadow: 0 12px 32px rgba(18,22,19,.06);
  --shadow-lg: 0 24px 56px rgba(18,22,19,.1);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --font-sans: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono: 'DIN Alternate','Roboto Mono','Courier New',monospace;
  --transition: .25s ease;
  --header-h: 72px;
  --header-h-mobile: 60px;
  --bottom-tab-h: 64px;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  padding-bottom: 0;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--secondary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover,
a:focus {
  color: var(--secondary);
  text-decoration: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}
.container-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 72px 0;
  position: relative;
}
.section-alt {
  background: var(--surface);
}
.section-dark {
  background: var(--ink);
  color: #fff;
}
.section-tight {
  padding: 36px 0;
}
.section-title {
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 680px;
  margin-bottom: 36px;
}
.section-kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--secondary);
  background: rgba(28,107,59,.08);
  border-radius: var(--radius-xs);
  padding: 4px 10px;
  margin-bottom: 14px;
}
.section-dark .section-title,
.section-dark h2,
.section-dark h3 {
  color: #fff;
}
.section-dark .section-sub,
.section-dark p {
  color: rgba(255,255,255,.72);
}

/* ===== Foundation 覆盖 ===== */
.button {
  font-family: var(--font-sans);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all var(--transition);
  letter-spacing: .01em;
}
.button.primary {
  background: var(--primary);
  color: var(--primary-ink);
  border: none;
  font-weight: 700;
  padding: 12px 28px;
  height: 48px;
  box-shadow: 0 4px 12px rgba(214,240,88,.25);
}
.button.primary:hover {
  background: #C2E33A;
  color: var(--primary-ink);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(214,240,88,.35);
}
.button.primary:active {
  transform: scale(.98);
  box-shadow: none;
}
.button.secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
  padding: 12px 26px;
  height: 48px;
  font-weight: 600;
}
.button.secondary:hover {
  background: var(--ink);
  color: #fff;
  transform: translateY(-1px);
}
select,
input[type="text"],
input[type="date"],
input[type="email"],
input[type="tel"],
textarea {
  font-family: var(--font-sans);
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--line) !important;
  height: 48px;
  box-shadow: none !important;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  margin-bottom: 0;
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--secondary) !important;
  box-shadow: 0 0 0 2px rgba(28,107,59,.12) !important;
}
label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: .03em;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  height: 60px;
  display: flex;
  align-items: center;
}
.site-header .container-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.brand-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.brand-logo .logo-icon {
  width: 34px;
  height: 34px;
  background: var(--primary);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--primary-ink);
  flex-shrink: 0;
}
.brand-logo:hover,
.brand-logo:focus {
  color: var(--ink);
}
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-desktop a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  padding: 8px 11px;
  border-radius: var(--radius-xs);
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}
.nav-desktop a::after {
  content: '';
  position: absolute;
  left: 11px;
  right: 11px;
  bottom: 3px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s ease;
}
.nav-desktop a:hover::after,
.nav-desktop a:focus::after,
.nav-desktop a.active::after {
  transform: scaleX(1);
}
.nav-desktop a.active {
  color: var(--ink);
  font-weight: 600;
}
.nav-desktop a.active::before {
  content: '';
  position: absolute;
  left: 11px;
  bottom: -4px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}
.hamburger-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--ink);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-xs);
  transition: background var(--transition);
}
.hamburger-btn:hover {
  background: rgba(18,22,19,.06);
}
.mobile-nav-panel {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav-panel.open {
  display: flex;
}
.mobile-nav-panel a {
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid #f0f0ea;
}
.mobile-nav-panel a:last-child {
  border-bottom: none;
}
.mobile-nav-panel a.active {
  background: rgba(214,240,88,.18);
  font-weight: 700;
  color: var(--ink);
}

/* ===== 底部Tab导航 ===== */
.bottom-tabs {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: #fff;
  border-top: 1px solid var(--line);
  height: var(--bottom-tab-h);
  padding-bottom: env(safe-area-inset-bottom);
  box-shadow: 0 -4px 16px rgba(18,22,19,.06);
}
.bottom-tabs-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 100%;
}
.bottom-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 52px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
  position: relative;
  text-align: center;
  padding-top: 4px;
  transition: color var(--transition);
}
.bottom-tab i {
  font-size: 17px;
  transition: color var(--transition);
}
.bottom-tab span {
  font-size: 10px;
  line-height: 1.2;
}
.bottom-tab.active {
  color: var(--ink);
  font-weight: 700;
}
.bottom-tab.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 3px;
  background: var(--primary);
  border-radius: 0 0 3px 3px;
}
.bottom-tab:hover,
.bottom-tab:focus {
  color: var(--ink);
}

/* ===== 面包屑 ===== */
.breadcrumb-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.breadcrumb-row a {
  color: var(--muted);
}
.breadcrumb-row a:hover {
  color: var(--secondary);
}
.breadcrumb-row .sep {
  color: #b0b8ac;
  font-size: 11px;
}
.breadcrumb-row .current {
  color: var(--ink);
  font-weight: 600;
}

/* ===== 分类标题区 ===== */
.page-hero-cat {
  padding: 48px 0 40px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.page-hero-cat h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.2;
  color: var(--ink);
}
.page-hero-cat .cat-desc {
  font-size: 1rem;
  color: var(--muted);
  max-width: 760px;
  margin: 0;
  line-height: 1.8;
}

/* ===== 筛选条 ===== */
.filter-bar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  margin-bottom: 0;
}
.filter-bar .filter-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.filter-bar .filter-title i {
  color: var(--secondary);
  font-size: 15px;
}
.filter-actions {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}
.filter-actions .filter-item {
  flex: 1;
  min-width: 140px;
}
.filter-actions .filter-actions-btn {
  flex: 0 0 auto;
}

/* ===== 记录卡片列表 ===== */
.record-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: all var(--transition);
  flex-wrap: wrap;
}
.record-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(28,107,59,.2);
}
.record-main {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  flex: 1;
  min-width: 220px;
}
.record-teams {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  flex-wrap: wrap;
}
.record-teams .vs-badge {
  background: var(--primary);
  color: var(--primary-ink);
  font-size: 11px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  letter-spacing: .05em;
}
.record-score {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: .04em;
  line-height: 1;
  white-space: nowrap;
}
.record-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}
.record-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.record-meta i {
  font-size: 13px;
  color: var(--secondary);
}
.record-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 0 0 auto;
}
.record-actions .button {
  font-size: 12px;
  padding: 8px 16px;
  height: auto;
  min-height: 38px;
  white-space: nowrap;
}
.record-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(28,107,59,.1);
  color: var(--secondary);
}
.record-status.finished {
  background: #eee;
  color: var(--muted);
}
.record-status.ongoing {
  background: rgba(214,240,88,.2);
  color: var(--primary-ink);
}

/* ===== 统计条 ===== */
.stat-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 22px 20px;
  text-align: center;
}
.stat-card .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .03em;
  line-height: 1.1;
}
.stat-card .stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.7);
  margin-top: 6px;
  letter-spacing: .02em;
}

/* ===== 导出说明 ===== */
.export-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}
.export-info .export-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.export-info .export-list li {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--ink);
}
.export-info .export-list li:last-child {
  border-bottom: none;
}
.export-info .export-list i {
  color: var(--secondary);
  font-size: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}
.export-image-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 16/10;
}
.export-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 规则版本 ===== */
.rule-version-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.rule-version-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.rule-version-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.rule-version-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}
.rule-version-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(214,240,88,.25);
  color: var(--primary-ink);
}
.rule-version-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed #eee;
  font-size: 14px;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 6px;
}
.rule-version-item:last-child {
  border-bottom: none;
}
.rule-version-item .rv-label {
  color: var(--ink);
  font-weight: 500;
}

/* ===== FAQ ===== */
.accordion-custom {
  border: none;
  background: transparent;
}
.accordion-custom .accordion-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
  transition: all var(--transition);
}
.accordion-custom .accordion-item:hover {
  border-color: rgba(28,107,59,.2);
}
.accordion-custom .accordion-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  padding: 16px 18px;
  border: none;
  background: var(--surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition);
}
.accordion-custom .accordion-title:hover {
  background: #F7F8F4;
}
.accordion-custom .accordion-title::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 13px;
  color: var(--secondary);
  transition: transform .25s ease;
  flex-shrink: 0;
  margin-left: 12px;
}
.accordion-custom .accordion-item.is-active .accordion-title::after {
  transform: rotate(180deg);
}
.accordion-custom .accordion-content {
  padding: 0 18px 16px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  border: none;
  background: var(--surface);
}

/* ===== CTA 表单区 ===== */
.cta-form-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 36px 32px;
  box-shadow: var(--shadow);
}
.cta-form-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--ink);
}
.cta-form-info p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 0;
}
.cta-form-fields {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cta-form-fields .field-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cta-form-fields .field-row > * {
  flex: 1;
  min-width: 140px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--ink);
  color: #fff;
  padding: 48px 0 30px;
  margin-top: 0;
}
.site-footer a {
  color: rgba(255,255,255,.75);
  transition: color var(--transition);
}
.site-footer a:hover {
  color: var(--primary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}
.footer-brand p {
  color: rgba(255,255,255,.65);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 12px;
  max-width: 280px;
}
.footer-brand .brand-logo {
  color: #fff;
  font-size: 1.2rem;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,255,255,.9);
  margin-bottom: 14px;
  letter-spacing: .05em;
}
.footer-col a {
  display: block;
  font-size: 13px;
  padding: 4px 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,.5);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a {
  color: rgba(255,255,255,.6);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .nav-desktop {
    gap: 0;
  }
  .nav-desktop a {
    font-size: 13px;
    padding: 8px 8px;
  }
  .nav-desktop a::after {
    left: 8px;
    right: 8px;
  }
  .nav-desktop a.active::before {
    left: 8px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .export-panel {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .stat-overview {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-form-wrap {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px 22px;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: var(--header-h-mobile);
  }
  .nav-desktop {
    display: none;
  }
  .hamburger-btn {
    display: block;
  }
  .bottom-tabs {
    display: block;
  }
  body {
    padding-bottom: var(--bottom-tab-h);
  }
  .container-wrap {
    padding: 0 16px;
  }
  .section {
    padding: 48px 0;
  }
  .section-tight {
    padding: 24px 0;
  }
  .page-hero-cat {
    padding: 32px 0 28px;
  }
  .page-hero-cat h1 {
    font-size: 1.6rem;
  }
  .record-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
  }
  .record-actions {
    width: 100%;
    flex-wrap: wrap;
  }
  .record-actions .button {
    flex: 1;
    text-align: center;
  }
  .record-score {
    font-size: 1.6rem;
  }
  .filter-actions .filter-item {
    min-width: 100%;
  }
  .stat-overview {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .page-hero-cat h1 {
    font-size: 1.35rem;
  }
  .stat-overview {
    grid-template-columns: 1fr 1fr;
  }
  .stat-card {
    padding: 16px 12px;
  }
  .stat-card .stat-num {
    font-size: 1.6rem;
  }
  .record-teams {
    font-size: 0.95rem;
  }
  .record-score {
    font-size: 1.4rem;
  }
  .cta-form-wrap {
    padding: 20px 16px;
  }
  .cta-form-fields .field-row {
    flex-direction: column;
  }
  .cta-form-fields .field-row > * {
    min-width: 100%;
  }
  .accordion-custom .accordion-title {
    font-size: 14px;
    padding: 14px 14px;
  }
  .accordion-custom .accordion-content {
    padding: 0 14px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* roulang page: category4 */
:root {
            --bg: #F3F3ED;
            --surface: #FFFFFF;
            --ink: #121613;
            --muted: #687068;
            --line: #D8DED3;
            --primary: #D6F058;
            --primary-ink: #121613;
            --secondary: #1C6B3B;
            --danger: #B33A3A;
            --shadow: 0 12px 32px rgba(18, 22, 19, .06);
            --shadow-lg: 0 24px 56px rgba(18, 22, 19, .1);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-xs: 6px;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'Courier New', monospace;
            --transition: .25s ease;
            --header-h: 72px;
            --header-h-mobile: 60px;
            --bottom-tab-h: 64px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-bottom: var(--bottom-tab-h);
        }

        @media (min-width: 769px) {
            body {
                padding-bottom: 0;
            }
        }

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

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

        a:hover,
        a:focus {
            color: var(--secondary);
            text-decoration: none;
        }

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

        .container-wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 72px 0;
            position: relative;
        }

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

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

        .section-dark {
            background: var(--ink);
            color: #fff;
        }

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

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.35rem);
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 680px;
            margin-bottom: 40px;
        }

        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--secondary);
            background: rgba(28, 107, 59, .08);
            border-radius: var(--radius-xs);
            padding: 5px 12px;
            margin-bottom: 16px;
        }

        .section-dark .section-title,
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-dark .section-sub,
        .section-dark p {
            color: rgba(255, 255, 255, .7);
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
            height: var(--header-h);
            display: flex;
            align-items: center;
        }

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

        .brand-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--primary-ink);
            flex-shrink: 0;
        }

        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--ink);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 13px;
            border-radius: var(--radius-xs);
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            left: 13px;
            right: 13px;
            bottom: 4px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .22s ease;
        }

        .nav-desktop a:hover::after,
        .nav-desktop a:focus::after,
        .nav-desktop a.active::after {
            transform: scaleX(1);
        }

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

        .nav-desktop a.active::before {
            content: '';
            position: absolute;
            left: 13px;
            bottom: -4px;
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--ink);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }

        .hamburger-btn:hover {
            background: rgba(18, 22, 19, .05);
        }

        @media (max-width: 1024px) {
            .nav-desktop {
                display: none;
            }
            .hamburger-btn {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            :root {
                --header-h: 60px;
            }
        }

        /* ===== 移动端抽屉 ===== */
        .mobile-drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(18, 22, 19, .5);
            z-index: 1100;
            opacity: 0;
            visibility: hidden;
            transition: opacity .28s ease, visibility .28s ease;
        }

        .mobile-drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100%;
            background: var(--surface);
            z-index: 1200;
            box-shadow: var(--shadow-lg);
            transition: right .3s ease;
            display: flex;
            flex-direction: column;
            padding: 24px;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .drawer-close {
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--ink);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }

        .drawer-close:hover {
            background: rgba(18, 22, 19, .05);
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .drawer-nav a {
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
            border-bottom: 1px solid transparent;
        }

        .drawer-nav a:hover,
        .drawer-nav a:focus {
            background: var(--bg);
            color: var(--ink);
        }

        .drawer-nav a.active {
            background: rgba(214, 240, 88, .18);
            font-weight: 600;
        }

        /* ===== 底部Tab导航 ===== */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--surface);
            border-top: 1px solid var(--line);
            height: var(--bottom-tab-h);
            padding: 6px 8px;
            padding-bottom: env(safe-area-inset-bottom, 6px);
            align-items: center;
            justify-content: space-around;
        }

        @media (max-width: 768px) {
            .bottom-tab-nav {
                display: flex;
            }
        }

        .bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            color: var(--muted);
            min-width: 56px;
            min-height: 44px;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition);
            text-decoration: none;
        }

        .bottom-tab-item i {
            font-size: 18px;
            line-height: 1;
        }

        .bottom-tab-item span {
            font-size: 11px;
            line-height: 1.2;
        }

        .bottom-tab-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 0 0 3px 3px;
            opacity: 0;
            transition: opacity .22s ease;
        }

        .bottom-tab-item:hover,
        .bottom-tab-item:focus {
            color: var(--ink);
        }

        .bottom-tab-item.active {
            color: var(--ink);
            font-weight: 600;
        }

        .bottom-tab-item.active::before {
            opacity: 1;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--line);
            user-select: none;
        }

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

        /* ===== 分类标题区 ===== */
        .category-title-section {
            background: var(--surface);
            padding: 64px 0 48px;
            border-bottom: 1px solid var(--line);
        }

        .category-title-section h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 700;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 16px;
            color: var(--ink);
        }

        .category-title-section .category-summary {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
        }

        .category-meta-strip {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--line);
        }

        .category-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--muted);
        }

        .category-meta-item i {
            color: var(--secondary);
            font-size: 14px;
        }

        /* ===== 筛选条 ===== */
        .filter-bar-section {
            background: var(--bg);
            padding: 28px 0;
            border-bottom: 1px solid var(--line);
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

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

        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--muted);
            margin-right: 4px;
        }

        .filter-select {
            height: 44px;
            padding: 0 32px 0 14px;
            font-size: 14px;
            font-family: var(--font-sans);
            color: var(--ink);
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23687068' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            cursor: pointer;
            transition: border-color var(--transition), box-shadow var(--transition);
            min-width: 140px;
        }

        .filter-select:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 1px var(--secondary);
        }

        .filter-chip {
            height: 36px;
            padding: 0 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--ink);
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 20px;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--secondary);
        }

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

        /* ===== 训练分析卡片列表 ===== */
        .analysis-list-section {
            background: var(--bg);
        }

        .analysis-list-grid {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .analysis-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            display: flex;
            flex-direction: row;
            align-items: stretch;
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--line);
        }

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

        .analysis-card-image {
            width: 260px;
            flex-shrink: 0;
            min-height: 200px;
            position: relative;
            overflow: hidden;
        }

        .analysis-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .analysis-card-body {
            flex: 1;
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .analysis-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(28, 107, 59, .08);
            border-radius: var(--radius-xs);
            padding: 4px 10px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .analysis-card-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .analysis-card-desc {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .analysis-card-stats {
            display: flex;
            gap: 22px;
            flex-wrap: wrap;
            padding-top: 16px;
            border-top: 1px solid var(--line);
        }

        .analysis-stat-item {
            display: flex;
            flex-direction: column;
        }

        .analysis-stat-value {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.02em;
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }

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

        .analysis-stat-label {
            font-size: 12px;
            color: var(--muted);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .analysis-card {
                flex-direction: column;
            }
            .analysis-card-image {
                width: 100%;
                height: 200px;
                min-height: auto;
            }
            .analysis-card-body {
                padding: 20px;
            }
            .analysis-card-stats {
                gap: 16px;
            }
        }

        /* ===== 数据对比条 ===== */
        .compare-section {
            background: var(--surface);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

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

        .compare-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--line);
        }

        .compare-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--ink);
        }

        .compare-bar-row {
            margin-bottom: 20px;
        }

        .compare-bar-row:last-child {
            margin-bottom: 0;
        }

        .compare-bar-label {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 6px;
        }

        .compare-bar-label .value {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--ink);
        }

        .compare-bar-track {
            height: 10px;
            background: var(--line);
            border-radius: 5px;
            overflow: hidden;
        }

        .compare-bar-fill {
            height: 100%;
            border-radius: 5px;
            background: var(--primary);
            transition: width .5s ease;
        }

        .compare-bar-fill.secondary {
            background: var(--secondary);
        }

        .compare-bar-fill.danger {
            background: var(--danger);
        }

        /* ===== 数据口径说明 ===== */
        .standard-section {
            background: var(--bg);
        }

        .standard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

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

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

        .standard-block {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 22px;
            border: 1px solid var(--line);
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .standard-block-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(214, 240, 88, .25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-size: 16px;
            margin-bottom: 14px;
        }

        .standard-block h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--ink);
        }

        .standard-block p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ===== 教练建议 ===== */
        .coach-section {
            background: var(--surface);
        }

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

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

        .coach-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 26px;
            border-left: 4px solid var(--primary);
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .coach-card-number {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: .05em;
            margin-bottom: 10px;
        }

        .coach-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--ink);
        }

        .coach-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== CTA 表单 ===== */
        .training-cta-section {
            background: var(--ink);
            color: #fff;
        }

        .training-cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .training-cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .training-cta-left h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .training-cta-left p {
            font-size: 1rem;
            color: rgba(255, 255, 255, .7);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 460px;
        }

        .training-cta-form {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius);
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .training-cta-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        @media (max-width: 480px) {
            .training-cta-form .form-row {
                grid-template-columns: 1fr;
            }
        }

        .training-cta-form input,
        .training-cta-form select {
            height: 48px;
            padding: 0 14px;
            font-size: 15px;
            font-family: var(--font-sans);
            color: var(--ink);
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }

        .training-cta-form input:focus,
        .training-cta-form select:focus {
            border-color: var(--primary);
            box-shadow: 0 2px 0 0 var(--primary);
            outline: none;
        }

        .training-cta-form select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23687068' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 24px;
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font-sans);
            color: var(--primary-ink);
            background: var(--primary);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }

        .btn-primary:hover {
            background: #C2E33A;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(214, 240, 88, .3);
        }

        .btn-primary:active {
            transform: scale(.98);
            box-shadow: none;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink);
            color: #fff;
            padding: 56px 0 28px;
            margin-top: 0;
        }

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

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

        @media (max-width: 480px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .site-footer .brand-logo {
            color: #fff;
            margin-bottom: 14px;
        }

        .site-footer .brand-logo .logo-icon {
            background: var(--primary);
            color: var(--primary-ink);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.7;
            max-width: 300px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: .03em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            padding: 4px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover,
        .footer-col a:focus {
            color: var(--primary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, .12);
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .7);
            transition: color var(--transition);
        }

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

        /* ===== 响应式微调 ===== */
        @media (max-width: 640px) {
            .category-title-section {
                padding: 40px 0 32px;
            }
            .category-title-section h1 {
                font-size: 1.8rem;
            }
            .filter-bar {
                gap: 12px;
            }
            .filter-select {
                min-width: 100%;
            }
            .analysis-card-image {
                height: 180px;
            }
            .compare-card {
                padding: 20px;
            }
            .standard-grid {
                grid-template-columns: 1fr;
            }
            .coach-card {
                padding: 20px;
            }
            .training-cta-form {
                padding: 20px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category5 */
:root {
      --bg: #F3F3ED;
      --surface: #FFFFFF;
      --ink: #121613;
      --muted: #687068;
      --line: #D8DED3;
      --primary: #D6F058;
      --primary-ink: #121613;
      --secondary: #1C6B3B;
      --danger: #B33A3A;
      --shadow: 0 12px 32px rgba(18,22,19,.06);
      --shadow-lg: 0 24px 56px rgba(18,22,19,.1);
      --radius: 14px;
      --radius-sm: 8px;
      --radius-xs: 6px;
      --font-sans: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
      --font-mono: 'DIN Alternate','Roboto Mono','Courier New',monospace;
      --transition: .25s ease;
      --header-h: 72px;
      --header-h-mobile: 60px;
      --bottom-tab-h: 64px;
    }
    * {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    body {
      font-family: var(--font-sans);
      background: var(--bg);
      color: var(--ink);
      line-height: 1.75;
      font-size: 16px;
      margin: 0;
      padding: 0;
      padding-bottom: var(--bottom-tab-h);
      overflow-x: hidden;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: var(--secondary);
      text-decoration: none;
      transition: color var(--transition);
    }
    a:hover,
    a:focus {
      color: var(--secondary);
      text-decoration: none;
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible {
      outline: 2px solid var(--secondary);
      outline-offset: 2px;
    }
    .container-wrap {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .section {
      padding: 80px 0;
      position: relative;
    }
    .section-alt {
      background: var(--surface);
    }
    .section-dark {
      background: var(--ink);
      color: #fff;
    }
    .section-tight {
      padding: 48px 0;
    }
    .section-kicker {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .06em;
      text-transform: uppercase;
      color: var(--secondary);
      background: rgba(28,107,59,.08);
      border-radius: var(--radius-xs);
      padding: 5px 12px;
      margin-bottom: 16px;
    }
    .section-title {
      font-size: clamp(1.75rem, 3vw, 2.35rem);
      font-weight: 700;
      margin-bottom: 14px;
      letter-spacing: -0.02em;
      line-height: 1.16;
    }
    .section-sub {
      font-size: 1.05rem;
      color: var(--muted);
      max-width: 680px;
      margin-bottom: 40px;
    }
    .section-dark .section-title,
    .section-dark h2,
    .section-dark h3 {
      color: #fff;
    }
    .section-dark .section-sub,
    .section-dark p {
      color: rgba(255,255,255,.7);
    }

    /* ===== 顶部导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255,255,255,.96);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--line);
      height: var(--header-h);
      display: flex;
      align-items: center;
    }
    .site-header .container-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-logo {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--ink);
      letter-spacing: -0.02em;
      display: flex;
      align-items: center;
      gap: 8px;
      white-space: nowrap;
    }
    .brand-logo .logo-icon {
      width: 34px;
      height: 34px;
      background: var(--primary);
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 17px;
      color: var(--primary-ink);
      flex-shrink: 0;
    }
    .brand-logo:hover,
    .brand-logo:focus {
      color: var(--ink);
    }
    .nav-desktop {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .nav-desktop a {
      font-size: 15px;
      font-weight: 500;
      color: var(--ink);
      padding: 8px 13px;
      border-radius: var(--radius-xs);
      position: relative;
      transition: color var(--transition);
      white-space: nowrap;
    }
    .nav-desktop a::after {
      content: '';
      position: absolute;
      left: 13px;
      right: 13px;
      bottom: 4px;
      height: 3px;
      background: var(--primary);
      border-radius: 2px;
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .22s ease;
    }
    .nav-desktop a:hover::after,
    .nav-desktop a:focus::after,
    .nav-desktop a.active::after {
      transform: scaleX(1);
    }
    .nav-desktop a.active {
      color: var(--ink);
      font-weight: 600;
    }
    .nav-desktop a.active::before {
      content: '';
      position: absolute;
      left: 13px;
      bottom: -6px;
      width: 6px;
      height: 6px;
      background: var(--primary);
      border-radius: 50%;
    }
    .hamburger-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--ink);
      cursor: pointer;
      padding: 8px;
      border-radius: var(--radius-xs);
      transition: background var(--transition);
    }
    .hamburger-btn:hover {
      background: var(--bg);
    }

    /* ===== 移动端抽屉菜单 ===== */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: var(--header-h);
      left: 0;
      right: 0;
      bottom: var(--bottom-tab-h);
      background: rgba(18,22,19,.55);
      z-index: 998;
      opacity: 0;
      visibility: hidden;
      transition: opacity .28s ease, visibility .28s ease;
    }
    .mobile-drawer.open {
      opacity: 1;
      visibility: visible;
    }
    .mobile-drawer-inner {
      background: var(--surface);
      max-width: 480px;
      width: 100%;
      margin-left: auto;
      height: 100%;
      padding: 24px;
      overflow-y: auto;
      border-left: 1px solid var(--line);
      box-shadow: -12px 0 32px rgba(18,22,19,.1);
      transform: translateX(100%);
      transition: transform .28s ease;
    }
    .mobile-drawer.open .mobile-drawer-inner {
      transform: translateX(0);
    }
    .mobile-drawer-inner a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 16px;
      font-size: 16px;
      font-weight: 500;
      color: var(--ink);
      border-bottom: 1px solid var(--line);
      border-radius: var(--radius-xs);
      transition: background var(--transition);
    }
    .mobile-drawer-inner a:hover,
    .mobile-drawer-inner a.active {
      background: var(--bg);
      color: var(--ink);
    }
    .mobile-drawer-inner a.active::after {
      content: '●';
      color: var(--primary);
      font-size: 10px;
    }

    /* ===== 底部 Tab 导航 ===== */
    .bottom-tabs {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      height: var(--bottom-tab-h);
      background: var(--surface);
      border-top: 1px solid var(--line);
      z-index: 1000;
      padding-bottom: env(safe-area-inset-bottom);
      box-shadow: 0 -4px 16px rgba(18,22,19,.04);
    }
    .bottom-tabs-inner {
      display: flex;
      align-items: stretch;
      justify-content: space-around;
      height: 100%;
    }
    .bottom-tab-item {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 2px;
      font-size: 11px;
      color: var(--muted);
      position: relative;
      min-height: 44px;
      padding: 4px 0;
    }
    .bottom-tab-item i {
      font-size: 1.2rem;
      line-height: 1;
    }
    .bottom-tab-item.active {
      color: var(--ink);
      font-weight: 600;
    }
    .bottom-tab-item.active::before {
      content: '';
      position: absolute;
      top: -1px;
      left: 20%;
      right: 20%;
      height: 3px;
      background: var(--primary);
      border-radius: 0 0 2px 2px;
    }

    /* ===== 面包屑 ===== */
    .breadcrumb-bar {
      padding: 28px 0 0;
    }
    .breadcrumb-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 14px;
      color: var(--muted);
    }
    .breadcrumb-list li {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .breadcrumb-list li + li::before {
      content: '/';
      color: var(--line);
      font-size: 13px;
    }
    .breadcrumb-list a {
      color: var(--secondary);
    }
    .breadcrumb-list li:last-child {
      color: var(--ink);
      font-weight: 500;
    }

    /* ===== 分类标题区 ===== */
    .category-hero-mini {
      padding: 32px 0 48px;
      position: relative;
    }
    .category-hero-mini h1 {
      font-size: clamp(2rem, 4.5vw, 3rem);
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.08;
      margin-bottom: 18px;
      max-width: 820px;
    }
    .category-hero-mini p {
      font-size: 1.08rem;
      color: var(--muted);
      max-width: 720px;
      line-height: 1.8;
    }

    /* ===== 连接状态卡片区 ===== */
    .status-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .status-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 28px 24px;
      box-shadow: var(--shadow);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .status-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .status-card .status-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: rgba(214,240,88,.18);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      color: var(--secondary);
      margin-bottom: 16px;
    }
    .status-card .status-value {
      font-family: var(--font-mono);
      font-size: 2.4rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--ink);
      line-height: 1.2;
      margin-bottom: 4px;
      tabular-nums: numeric;
    }
    .status-card .status-label {
      font-size: 14px;
      color: var(--muted);
    }
    .status-card .status-tag {
      display: inline-block;
      margin-top: 14px;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: var(--radius-xs);
      background: rgba(28,107,59,.08);
      color: var(--secondary);
    }
    .status-card .status-tag.warning {
      background: rgba(179,58,58,.08);
      color: var(--danger);
    }

    /* ===== 设备列表主体 ===== */
    .device-list-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .device-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: transform var(--transition), box-shadow var(--transition);
      display: flex;
      flex-direction: column;
    }
    .device-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .device-card .device-img {
      aspect-ratio: 16/9;
      overflow: hidden;
      position: relative;
    }
    .device-card .device-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .3s ease;
    }
    .device-card:hover .device-img img {
      transform: scale(1.02);
    }
    .device-card .device-body {
      padding: 22px 20px 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .device-card .device-body h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.3;
    }
    .device-card .device-body p {
      font-size: 15px;
      color: var(--muted);
      margin-bottom: 16px;
      flex: 1;
    }
    .device-card .device-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 4px;
    }
    .device-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 500;
      padding: 4px 10px;
      border-radius: var(--radius-xs);
      background: var(--bg);
      color: var(--muted);
    }
    .device-tag.primary {
      background: rgba(214,240,88,.18);
      color: var(--ink);
    }

    /* ===== 兼容清单 ===== */
    .compat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .compat-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 28px 24px;
      box-shadow: var(--shadow);
    }
    .compat-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .compat-card h3 i {
      color: var(--secondary);
      font-size: 1.1rem;
      width: 24px;
      text-align: center;
    }
    .compat-card ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .compat-card ul li {
      font-size: 15px;
      color: var(--muted);
      padding: 7px 0;
      border-bottom: 1px solid var(--line);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .compat-card ul li:last-child {
      border-bottom: none;
    }
    .compat-card ul li::before {
      content: '✓';
      color: var(--secondary);
      font-weight: 700;
      font-size: 14px;
      flex-shrink: 0;
    }

    /* ===== 连接步骤 ===== */
    .steps-vertical {
      display: flex;
      flex-direction: column;
      gap: 0;
      max-width: 720px;
      margin: 0 auto;
      position: relative;
    }
    .steps-vertical::before {
      content: '';
      position: absolute;
      left: 23px;
      top: 16px;
      bottom: 16px;
      width: 2px;
      background: var(--line);
    }
    .step-item {
      display: flex;
      gap: 24px;
      padding: 16px 0;
      position: relative;
    }
    .step-number {
      width: 48px;
      height: 48px;
      min-width: 48px;
      border-radius: 50%;
      background: var(--primary);
      color: var(--primary-ink);
      font-weight: 700;
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1;
      font-family: var(--font-mono);
    }
    .step-content {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 20px 24px;
      flex: 1;
      box-shadow: var(--shadow);
    }
    .step-content h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .step-content p {
      font-size: 15px;
      color: var(--muted);
      margin: 0;
    }

    /* ===== 安全说明 ===== */
    .security-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .security-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 28px 22px;
      box-shadow: var(--shadow);
      text-align: left;
    }
    .security-card .security-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(28,107,59,.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: var(--secondary);
      margin-bottom: 16px;
    }
    .security-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .security-card p {
      font-size: 14px;
      color: var(--muted);
      margin: 0;
    }

    /* ===== CTA 表单 ===== */
    .cta-form-section {
      padding: 80px 0;
    }
    .cta-form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .cta-form-left h2 {
      font-size: clamp(1.75rem, 3vw, 2.35rem);
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 18px;
    }
    .cta-form-left p {
      color: var(--muted);
      font-size: 1.05rem;
      line-height: 1.8;
    }
    .cta-form-right {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 32px;
      box-shadow: var(--shadow-lg);
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--ink);
    }
    .form-group input,
    .form-group textarea,
    .form-group select {
      width: 100%;
      min-height: 48px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      font-size: 15px;
      font-family: var(--font-sans);
      background: var(--bg);
      color: var(--ink);
      transition: border-color var(--transition), box-shadow var(--transition);
      resize: vertical;
    }
    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
      outline: none;
      border-color: var(--secondary);
      box-shadow: 0 2px 0 var(--primary);
      background: var(--surface);
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--primary);
      color: var(--primary-ink);
      font-weight: 600;
      font-size: 16px;
      padding: 0 32px;
      height: 48px;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: background var(--transition), transform var(--transition);
      text-decoration: none;
      line-height: 1;
      white-space: nowrap;
    }
    .btn-primary:hover,
    .btn-primary:focus {
      background: #C2E33A;
      color: var(--primary-ink);
      transform: translateY(-1px);
    }
    .btn-primary:active {
      transform: scale(.98);
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--ink);
      color: #fff;
      padding: 64px 0 32px;
      margin-top: 0;
    }
    .site-footer .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .site-footer .footer-brand .brand-logo {
      color: #fff;
      font-size: 1.2rem;
      margin-bottom: 16px;
    }
    .site-footer .footer-brand p {
      color: rgba(255,255,255,.65);
      font-size: 15px;
      line-height: 1.8;
      max-width: 360px;
    }
    .site-footer .footer-col h4 {
      color: #fff;
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 18px;
    }
    .site-footer .footer-col a {
      display: block;
      color: rgba(255,255,255,.65);
      font-size: 14px;
      padding: 6px 0;
      transition: color var(--transition);
    }
    .site-footer .footer-col a:hover {
      color: var(--primary);
    }
    .site-footer .footer-bottom {
      border-top: 1px solid rgba(255,255,255,.12);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: rgba(255,255,255,.45);
    }
    .site-footer .footer-bottom a {
      color: rgba(255,255,255,.45);
    }
    .site-footer .footer-bottom a:hover {
      color: var(--primary);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .nav-desktop {
        gap: 2px;
      }
      .nav-desktop a {
        padding: 8px 10px;
        font-size: 14px;
      }
      .status-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .compat-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .security-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-form-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .device-list-grid {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      :root {
        --header-h: 60px;
      }
      body {
        padding-bottom: var(--bottom-tab-h);
      }
      .site-header {
        height: var(--header-h);
      }
      .nav-desktop {
        display: none;
      }
      .hamburger-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }
      .mobile-drawer {
        display: block;
      }
      .bottom-tabs {
        display: block;
      }
      .section {
        padding: 56px 0;
      }
      .category-hero-mini {
        padding: 24px 0 40px;
      }
      .category-hero-mini h1 {
        font-size: 2rem;
      }
      .status-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
      }
      .status-card {
        padding: 20px 18px;
      }
      .status-card .status-value {
        font-size: 1.9rem;
      }
      .compat-grid {
        grid-template-columns: 1fr;
      }
      .security-grid {
        grid-template-columns: 1fr;
      }
      .site-footer .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }
      .cta-form-right {
        padding: 24px;
      }
      .steps-vertical::before {
        left: 19px;
      }
      .step-number {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 16px;
      }
    }
    @media (max-width: 520px) {
      .status-grid {
        grid-template-columns: 1fr;
      }
      .site-footer .footer-grid {
        grid-template-columns: 1fr;
      }
      .site-footer .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .breadcrumb-bar {
        padding: 20px 0 0;
      }
      .category-hero-mini h1 {
        font-size: 1.75rem;
      }
      .cta-form-right {
        padding: 20px;
      }
      .device-card .device-body h3 {
        font-size: 18px;
      }
    }
    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }
      *,
      *::before,
      *::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
      }
    }

/* roulang page: category6 */
:root {
            --bg: #F3F3ED;
            --surface: #FFFFFF;
            --ink: #121613;
            --muted: #687068;
            --line: #D8DED3;
            --primary: #D6F058;
            --primary-ink: #121613;
            --secondary: #1C6B3B;
            --danger: #B33A3A;
            --shadow: 0 12px 32px rgba(18,22,19,.06);
            --shadow-lg: 0 24px 56px rgba(18,22,19,.1);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-xs: 6px;
            --font-sans: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
            --font-mono: 'DIN Alternate','Roboto Mono','Courier New',monospace;
            --transition: .25s ease;
            --header-h: 72px;
            --header-h-mobile: 60px;
            --bottom-tab-h: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--secondary);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }
        .container-wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 72px 0;
            position: relative;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-dark {
            background: var(--ink);
            color: #fff;
        }
        .section-tight {
            padding: 44px 0;
        }
        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-sub {
            font-size: 1.02rem;
            color: var(--muted);
            max-width: 680px;
            margin-bottom: 36px;
        }
        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--secondary);
            background: rgba(28,107,59,.08);
            border-radius: var(--radius-xs);
            padding: 5px 12px;
            margin-bottom: 14px;
        }
        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
            height: var(--header-h);
            display: flex;
            align-items: center;
        }
        .site-header .container-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            font-size: 1.28rem;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--primary-ink);
            flex-shrink: 0;
        }
        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--ink);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 12px;
            border-radius: var(--radius-xs);
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 3px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .22s ease;
        }
        .nav-desktop a:hover::after,
        .nav-desktop a:focus::after,
        .nav-desktop a.active::after {
            transform: scaleX(1);
        }
        .nav-desktop a.active {
            color: var(--ink);
            font-weight: 600;
        }
        .nav-desktop a.active::before {
            content: '';
            position: absolute;
            left: 12px;
            bottom: -5px;
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--ink);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }
        .hamburger-btn:hover {
            background: rgba(18,22,19,.06);
        }
        /* 移动端抽屉菜单 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            bottom: var(--bottom-tab-h);
            background: var(--surface);
            z-index: 999;
            padding: 20px 24px;
            overflow-y: auto;
            border-top: 1px solid var(--line);
            transform: translateX(-100%);
            transition: transform .28s ease;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer a {
            display: block;
            padding: 14px 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            border-bottom: 1px solid var(--line);
        }
        .mobile-drawer a:last-child {
            border-bottom: none;
        }
        .mobile-drawer a.active {
            color: var(--secondary);
            font-weight: 700;
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            bottom: var(--bottom-tab-h);
            background: rgba(18,22,19,.4);
            z-index: 998;
        }
        .drawer-overlay.show {
            display: block;
        }
        /* 底部Tab导航 */
        .bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: var(--bottom-tab-h);
            background: var(--surface);
            border-top: 1px solid var(--line);
            z-index: 1001;
            padding-bottom: env(safe-area-inset-bottom, 0);
        }
        .bottom-tabs-inner {
            display: flex;
            align-items: stretch;
            height: 100%;
        }
        .bottom-tab {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            font-weight: 500;
            color: var(--muted);
            cursor: pointer;
            transition: color var(--transition);
            position: relative;
            padding: 6px 2px;
            min-height: 44px;
            text-decoration: none;
        }
        .bottom-tab i {
            font-size: 17px;
            line-height: 1.2;
        }
        .bottom-tab span {
            line-height: 1.2;
        }
        .bottom-tab::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 0 0 3px 3px;
            transition: width .25s ease;
        }
        .bottom-tab.active {
            color: var(--ink);
            font-weight: 700;
        }
        .bottom-tab.active::before {
            width: 36px;
        }
        .bottom-tab:hover,
        .bottom-tab:focus {
            color: var(--ink);
        }

        /* ===== 分类页顶部 ===== */
        .page-hero {
            background: var(--surface);
            border-bottom: 1px solid var(--line);
            padding: 48px 0 36px;
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--muted);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb .sep {
            color: var(--line);
        }
        .breadcrumb .current {
            color: var(--ink);
            font-weight: 500;
        }
        .page-hero h1 {
            font-size: clamp(1.9rem, 4vw, 2.8rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .page-hero .hero-desc {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 720px;
        }

        /* ===== 搜索/快速导航 ===== */
        .support-search-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 6px 8px 6px 16px;
            max-width: 720px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .support-search-bar:focus-within {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(28,107,59,.08);
        }
        .support-search-bar i {
            color: var(--muted);
            font-size: 16px;
        }
        .support-search-bar input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 15px;
            color: var(--ink);
            padding: 10px 0;
            font-family: var(--font-sans);
            min-height: 44px;
        }
        .support-search-bar input::placeholder {
            color: var(--muted);
        }
        .support-search-bar button {
            background: var(--primary);
            color: var(--primary-ink);
            border: none;
            border-radius: var(--radius-xs);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            font-family: var(--font-sans);
            transition: background var(--transition), transform .15s ease;
            white-space: nowrap;
            min-height: 44px;
        }
        .support-search-bar button:hover {
            background: #C2E33A;
        }
        .support-search-bar button:active {
            transform: scale(.98);
        }
        .quick-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }
        .quick-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--ink);
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 8px 16px;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .quick-tag:hover,
        .quick-tag:focus {
            background: rgba(214,240,88,.25);
            border-color: var(--primary);
            color: var(--ink);
        }

        /* ===== 指南分类卡片 ===== */
        .guide-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .guide-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            text-decoration: none;
            display: block;
            color: var(--ink);
        }
        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            color: var(--ink);
        }
        .guide-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .guide-card-body {
            padding: 18px 18px 20px;
        }
        .guide-card-body h3 {
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .guide-card-body p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.55;
        }

        /* ===== FAQ accordion 重写 ===== */
        .faq-accordion .accordion {
            border: none;
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--line);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--surface);
            transition: background var(--transition);
        }
        .faq-accordion .accordion-item:hover {
            background: #F7F8F4;
        }
        .faq-accordion .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            padding: 16px 20px;
            border: none;
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: background var(--transition);
        }
        .faq-accordion .accordion-title::before {
            content: '';
            display: none;
        }
        .faq-accordion .accordion-title:focus {
            outline: 2px solid var(--secondary);
            outline-offset: -2px;
        }
        .faq-accordion .accordion-title .faq-icon {
            font-size: 14px;
            color: var(--secondary);
            flex-shrink: 0;
            transition: transform .25s ease;
        }
        .faq-accordion .accordion-item.is-active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-accordion .accordion-content {
            background: var(--surface);
            border: none;
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            display: none;
        }
        .faq-accordion .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ===== 版本更新 ===== */
        .update-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .update-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--line);
        }
        .update-item:last-child {
            border-bottom: none;
        }
        .update-badge {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            background: rgba(214,240,88,.3);
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--secondary);
        }
        .update-content h4 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 4px;
        }
        .update-content p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }
        .update-content .update-date {
            font-size: 12px;
            color: var(--muted);
            display: block;
            margin-top: 3px;
        }

        /* ===== 反馈表单 ===== */
        .feedback-wrap {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: start;
        }
        .feedback-info h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feedback-info p {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 18px;
        }
        .feedback-points {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .feedback-points li {
            font-size: 14px;
            color: var(--ink);
            padding: 8px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-points li i {
            color: var(--secondary);
            font-size: 14px;
            width: 18px;
            text-align: center;
        }
        .feedback-form {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 28px 26px;
        }
        .feedback-form label {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 6px;
            display: block;
            color: var(--ink);
        }
        .feedback-form input,
        .feedback-form select,
        .feedback-form textarea {
            width: 100%;
            height: 48px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 15px;
            font-family: var(--font-sans);
            color: var(--ink);
            background: var(--bg);
            margin-bottom: 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
            -webkit-appearance: none;
            appearance: none;
        }
        .feedback-form textarea {
            height: 100px;
            resize: vertical;
        }
        .feedback-form input:focus,
        .feedback-form select:focus,
        .feedback-form textarea:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(28,107,59,.08);
            background: var(--surface);
        }
        .feedback-form select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23687068' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            background-size: 16px;
            padding-right: 40px;
        }
        .feedback-form .btn-primary {
            width: 100%;
            height: 48px;
            background: var(--primary);
            color: var(--primary-ink);
            border: none;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            font-family: var(--font-sans);
            transition: background var(--transition), transform .15s ease;
        }
        .feedback-form .btn-primary:hover {
            background: #C2E33A;
        }
        .feedback-form .btn-primary:active {
            transform: scale(.98);
        }

        /* ===== CTA横条 ===== */
        .cta-bar {
            background: var(--ink);
            color: #fff;
            border-radius: var(--radius);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-bar h2 {
            font-size: clamp(1.3rem, 2.5vw, 1.8rem);
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
            letter-spacing: -0.01em;
        }
        .cta-bar p {
            font-size: 15px;
            color: rgba(255,255,255,.65);
            margin: 0;
        }
        .cta-btn {
            display: inline-block;
            background: var(--primary);
            color: var(--primary-ink);
            font-weight: 700;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: background var(--transition), transform .15s ease;
            white-space: nowrap;
        }
        .cta-btn:hover {
            background: #C2E33A;
            color: var(--primary-ink);
        }
        .cta-btn:active {
            transform: scale(.98);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255,255,255,.75);
            padding: 56px 0 32px;
            border-top: 1px solid rgba(255,255,255,.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 14px;
            font-size: 1.2rem;
        }
        .footer-brand .brand-logo .logo-icon {
            background: var(--primary);
            color: var(--primary-ink);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255,255,255,.55);
            margin: 0;
            line-height: 1.65;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: .02em;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255,255,255,.6);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover,
        .footer-col a:focus {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255,255,255,.45);
        }
        .footer-bottom a {
            color: rgba(255,255,255,.55);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .guide-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feedback-wrap {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: var(--header-h-mobile);
            }
            .nav-desktop {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .bottom-tabs {
                display: block;
            }
            .mobile-drawer {
                display: block;
            }
            body {
                padding-bottom: var(--bottom-tab-h);
            }
            .section {
                padding: 52px 0;
            }
            .page-hero {
                padding: 36px 0 28px;
            }
            .guide-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-bar {
                padding: 28px 22px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-btn {
                width: 100%;
                text-align: center;
            }
            .feedback-form {
                padding: 20px 18px;
            }
        }
        @media (max-width: 520px) {
            .container-wrap {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.65rem;
            }
            .support-search-bar {
                flex-wrap: wrap;
                padding: 8px;
            }
            .support-search-bar input {
                flex: 1 1 auto;
                min-width: 140px;
            }
            .support-search-bar button {
                padding: 10px 16px;
                font-size: 13px;
            }
            .cta-bar h2 {
                font-size: 1.2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: .01ms !important;
                animation-duration: .01ms !important;
                scroll-behavior: auto !important;
            }
        }