/* roulang page: index */
:root {
            --color-primary: #E53935;
            --color-primary-600: #C62828;
            --color-accent: #C9A86A;
            --color-bg: #FAF9F7;
            --color-bg-alt: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1F2329;
            --color-muted: #5A6169;
            --color-border: rgba(0, 0, 0, 0.06);
            --color-sidebar: #1F2329;
            --color-sidebar-hover: #2A2F36;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 18px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.10);
            --container: 1240px;
            --sidebar-width: 290px;
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: var(--color-primary-600);
        }

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

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

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

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

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== App Shell 侧边栏 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background-color: var(--color-sidebar);
            color: #fff;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 28px 0 20px;
            overflow-y: auto;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .sidebar-logo {
            padding: 0 24px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .sidebar-logo a:hover {
            color: #ffd9d9;
        }

        .sidebar-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(229, 57, 53, 0.5);
        }

        .sidebar-nav {
            flex: 1;
            padding: 0 16px;
        }

        .sidebar-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

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

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .sidebar-nav a::before {
            content: '';
            position: absolute;
            left: -16px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background-color: var(--color-primary);
            border-radius: 0 3px 3px 0;
            transition: var(--transition);
        }

        .sidebar-nav a:hover {
            background-color: var(--color-sidebar-hover);
            color: #fff;
        }

        .sidebar-nav a:hover::before {
            height: 60%;
        }

        .sidebar-nav a.active {
            background-color: rgba(229, 57, 53, 0.18);
            color: #fff;
            font-weight: 600;
        }

        .sidebar-nav a.active::before {
            height: 70%;
        }

        .sidebar-nav .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            opacity: 0.85;
        }

        .sidebar-footer {
            padding: 16px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 16px;
            flex-shrink: 0;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .sidebar-footer a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* ========== 主内容区 ========== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: var(--color-sidebar);
            color: #fff;
            z-index: 999;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }

        .mobile-header .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }

        .mobile-header .hamburger span {
            width: 20px;
            height: 2px;
            background-color: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

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

        .mobile-header .hamburger.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

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

        .mobile-header .mobile-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 998;
        }

        .sidebar-overlay.visible {
            display: block;
        }

        /* ========== Hero 首屏 ========== */
        .hero {
            position: relative;
            min-height: 620px;
            background-image: url('/assets/images/3926e65610aa9e63.jpg');
            background-size: cover;
            background-position: center center;
            display: flex;
            align-items: center;
            padding: 80px 0;
            color: #fff;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 35, 41, 0.88) 0%, rgba(229, 57, 53, 0.72) 55%, rgba(31, 35, 41, 0.82) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            padding-right: 16px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .hero-badge .badge-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: #4CAF50;
            animation: pulse-dot 2s infinite;
        }

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

        .hero h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 0.2px;
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background-color: var(--color-primary-600);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(229, 57, 53, 0.35);
        }

        .btn-outline-light {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            transform: translateY(-2px);
        }

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

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

        .btn-text {
            background: transparent;
            color: var(--color-primary);
            font-weight: 500;
            padding: 8px 4px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-text .arrow {
            transition: transform 0.25s ease;
        }

        .btn-text:hover .arrow {
            transform: translateX(4px);
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
        }

        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust .trust-icon {
            color: #4CAF50;
            font-weight: 700;
        }

        .hero-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.18);
            max-width: 460px;
            justify-self: end;
        }

        .hero-card h2 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-card .card-tag {
            display: inline-block;
            background: #FFF0F0;
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 20px;
        }

        .match-row {
            border-bottom: 1px solid #f0f0f0;
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .match-row:last-child {
            border-bottom: none;
        }

        .match-teams {
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            flex: 1;
        }

        .match-score {
            font-weight: 700;
            font-size: 17px;
            color: var(--color-primary);
            font-variant-numeric: tabular-nums;
            flex-shrink: 0;
        }

        .match-time {
            font-size: 13px;
            color: var(--color-muted);
            flex-shrink: 0;
        }

        /* ========== 通用 Section 样式 ========== */
        .section {
            padding: 72px 0;
        }

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

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--color-muted);
            line-height: 1.85;
            max-width: 680px;
        }

        .section-header.center {
            text-align: center;
        }

        .section-header.center p {
            margin: 0 auto;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        /* ========== 服务矩阵 ========== */
        .service-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .service-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(229, 57, 53, 0.2);
            transform: translateY(-4px);
        }

        .service-card.large {
            min-height: 240px;
            justify-content: center;
        }

        .service-card .card-icon {
            width: 48px;
            height: 48px;
            background: #FFF0F0;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }

        .service-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
        }

        .service-card p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.75;
        }

        .service-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
        }

        /* ========== 优势数据 ========== */
        .advantage-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 8px;
            background: var(--color-sidebar);
            border-radius: var(--radius-card);
            padding: 36px 24px;
            color: #fff;
        }

        .advantage-item {
            text-align: center;
            padding: 8px 16px;
            position: relative;
        }

        .advantage-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 50%;
            right: 0;
            transform: translateY(-50%);
            width: 1px;
            height: 52px;
            background: rgba(255, 255, 255, 0.15);
        }

        .advantage-number {
            font-size: 38px;
            font-weight: 700;
            color: #FFD9D9;
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.5px;
        }

        .advantage-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        /* ========== 方案流程 ========== */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .flow-grid::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 12.5%;
            right: 12.5%;
            height: 2px;
            background: #E8E8E8;
            z-index: 0;
        }

        .flow-step {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--color-bg);
            padding: 0 12px;
        }

        .section-alt .flow-step {
            background: var(--color-bg-alt);
        }

        .flow-step .step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-card);
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            font-size: 24px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            transition: var(--transition);
        }

        .flow-step:hover .step-num {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(229, 57, 53, 0.3);
            transform: scale(1.05);
        }

        .flow-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

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

        /* ========== 案例墙 ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

        .case-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(229, 57, 53, 0.2);
        }

        .case-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .case-card .case-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .case-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
        }

        .case-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            flex: 1;
        }

        .case-card .case-date {
            font-size: 13px;
            color: #999;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== 新闻中心 ========== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(229, 57, 53, 0.2);
            transform: translateY(-3px);
        }

        .news-card .news-date {
            font-size: 13px;
            color: #999;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
        }

        .news-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 44px 48px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }

        .brand-intro img {
            border-radius: 12px;
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .brand-intro h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .brand-intro p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        /* ========== 合作伙伴 ========== */
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: center;
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            border: 1px solid var(--color-border);
        }

        .partner-strip .partner-item {
            padding: 12px 20px;
            background: var(--color-bg-alt);
            border-radius: 10px;
            font-size: 14px;
            color: var(--color-muted);
            font-weight: 500;
            transition: var(--transition);
            cursor: default;
            white-space: nowrap;
        }

        .partner-strip .partner-item:hover {
            background: #FFF0F0;
            color: var(--color-primary);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(229, 57, 53, 0.25);
        }

        .faq-item .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .faq-item .faq-question .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #FFF0F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 350px;
            padding: 0 24px 18px;
        }

        .faq-item .faq-answer p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.8;
        }

        /* ========== 保障条 ========== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .guarantee-item {
            text-align: center;
            padding: 28px 20px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .guarantee-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(229, 57, 53, 0.2);
        }

        .guarantee-item .guarantee-icon {
            font-size: 36px;
            margin-bottom: 14px;
        }

        .guarantee-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

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

        /* ========== 数据工具专题条 ========== */
        .tool-banner {
            background: linear-gradient(135deg, var(--color-sidebar) 0%, #2A2F36 100%);
            border-radius: var(--radius-card);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            color: #fff;
        }

        .tool-banner h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .tool-banner p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 500px;
        }

        .tool-banner .btn-outline-light {
            flex-shrink: 0;
        }

        /* ========== CTA 表单 ========== */
        .cta-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 48px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }

        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.85;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .cta-form input[type="text"],
        .cta-form input[type="email"],
        .cta-form input[type="tel"] {
            width: 100%;
            padding: 14px 18px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 15px;
            background: var(--color-bg);
            transition: var(--transition);
        }

        .cta-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.12);
            outline: none;
        }

        .cta-form .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-form .form-row input {
            flex: 1;
            min-width: 140px;
        }

        .cta-form button[type="submit"] {
            padding: 14px 28px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .cta-form button[type="submit"]:hover {
            background: var(--color-primary-600);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(229, 57, 53, 0.3);
        }

        .cta-form .form-note {
            font-size: 12px;
            color: #999;
        }

        /* ========== 订阅条 ========== */
        .subscribe-bar {
            background: var(--color-bg-alt);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: space-between;
            border: 1px solid var(--color-border);
        }

        .subscribe-bar h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
        }

        .subscribe-bar p {
            font-size: 14px;
            color: var(--color-muted);
            margin-top: 4px;
        }

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

        .subscribe-bar .btn-outline {
            padding: 10px 20px;
            font-size: 14px;
        }

        /* ========== 页脚 ========== */
        .footer {
            background-color: var(--color-sidebar);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: auto;
        }

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

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

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

        .footer-bottom .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* ========== 标签云 ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag {
            display: inline-flex;
            padding: 8px 16px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--color-muted);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

        .tag-cloud .tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: #FFF8F8;
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1199px) {
            .container {
                padding: 0 24px;
            }
            .hero h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 1023px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
            }
            .mobile-header {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 64px;
            }
            .hero {
                min-height: auto;
                padding: 56px 0;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-card {
                max-width: 100%;
                justify-self: stretch;
            }
            .hero-content {
                padding-right: 0;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                padding: 32px 28px;
                gap: 24px;
            }
            .brand-intro img {
                height: 220px;
            }
            .cta-section {
                grid-template-columns: 1fr;
                padding: 32px 28px;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                justify-content: center;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .service-card.large {
                min-height: auto;
            }
            .advantage-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 28px 16px;
            }
            .advantage-item:not(:last-child)::after {
                display: none;
            }
            .flow-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .flow-grid::before {
                display: none;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .tool-banner {
                padding: 28px 24px;
                flex-direction: column;
                text-align: center;
            }
            .tool-banner p {
                max-width: 100%;
            }
            .cta-section {
                padding: 24px 20px;
            }
            .subscribe-bar {
                flex-direction: column;
                text-align: center;
            }
            .subscribe-bar .subscribe-links {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom .footer-legal {
                justify-content: center;
            }
            .hero-card {
                padding: 20px 16px;
            }
            .brand-intro {
                padding: 24px 18px;
            }
            .container {
                padding: 0 16px;
            }
            .cta-form .form-row {
                flex-direction: column;
            }
            .cta-form button[type="submit"] {
                width: 100%;
            }
        }

        @media (max-width: 519px) {
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .advantage-strip {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 24px;
            }
            .section-header h2 {
                font-size: 21px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #E53935;
            --color-primary-600: #C62828;
            --color-accent: #C9A86A;
            --color-bg: #FAF9F7;
            --color-bg-alt: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1F2329;
            --color-muted: #5A6169;
            --color-border: rgba(0, 0, 0, 0.06);
            --color-sidebar: #1F2329;
            --color-sidebar-hover: #2A2F36;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 18px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.10);
            --container: 1240px;
            --sidebar-width: 290px;
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: var(--color-primary-600);
        }

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

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

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

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ========== 侧边栏导航 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background-color: var(--color-sidebar);
            color: #fff;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .sidebar-logo {
            padding: 24px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .sidebar-logo a:hover {
            color: #ffd9d9;
        }

        .sidebar-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(229, 57, 53, 0.5);
        }

        .sidebar-nav {
            flex: 1;
            padding: 0 16px;
            overflow-y: auto;
        }

        .sidebar-nav ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

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

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .sidebar-nav a::before {
            content: '';
            position: absolute;
            left: -16px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background-color: var(--color-primary);
            border-radius: 0 3px 3px 0;
            transition: var(--transition);
        }

        .sidebar-nav a:hover {
            background-color: var(--color-sidebar-hover);
            color: #fff;
        }

        .sidebar-nav a:hover::before {
            height: 60%;
        }

        .sidebar-nav a.active {
            background-color: rgba(229, 57, 53, 0.18);
            color: #fff;
            font-weight: 600;
        }

        .sidebar-nav a.active::before {
            height: 70%;
        }

        .sidebar-nav .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            opacity: 0.85;
        }

        .sidebar-footer {
            padding: 16px 24px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 16px;
            flex-shrink: 0;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .sidebar-footer a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* ========== 主内容区 ========== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: var(--color-sidebar);
            color: #fff;
            z-index: 999;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }

        .mobile-header .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            flex-shrink: 0;
        }

        .mobile-header .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: #fff;
            border-radius: 1px;
            transition: var(--transition);
        }

        .mobile-header .brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            flex: 1;
        }

        .mobile-header .brand a {
            color: #fff;
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-overlay.open {
            opacity: 1;
        }

        /* ========== 页头横幅 ========== */
        .page-banner {
            background-color: var(--color-sidebar);
            background-image: url('/assets/images/3926e65610aa9e63.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 48px 0 40px;
            min-height: 220px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 35, 41, 0.82) 0%, rgba(31, 35, 41, 0.65) 60%, rgba(229, 57, 53, 0.35) 100%);
            z-index: 0;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 13px;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
            user-select: none;
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
        }

        .page-banner h1 {
            font-size: clamp(28px, 3.4vw, 38px);
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .page-banner .banner-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            line-height: 1.7;
        }

        /* ========== 筛选工具条 ========== */
        .filter-bar {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 24px;
            margin-top: -32px;
            position: relative;
            z-index: 5;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 14px;
            color: var(--color-muted);
            font-weight: 500;
            white-space: nowrap;
        }

        .filter-select {
            padding: 10px 16px;
            border: 1px solid #D8DCE0;
            border-radius: 8px;
            font-size: 14px;
            color: var(--color-text);
            background-color: #fff;
            min-width: 140px;
            appearance: auto;
            transition: var(--transition);
            cursor: pointer;
        }

        .filter-select:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.12);
        }

        .filter-date {
            padding: 10px 16px;
            border: 1px solid #D8DCE0;
            border-radius: 8px;
            font-size: 14px;
            color: var(--color-text);
            background-color: #fff;
            min-width: 150px;
            transition: var(--transition);
        }

        .filter-date:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.12);
        }

        .filter-btn {
            padding: 10px 24px;
            background-color: var(--color-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
        }

        .filter-btn:hover {
            background-color: var(--color-primary-600);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(229, 57, 53, 0.25);
        }

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

        /* ========== 板块通用 ========== */
        .section {
            padding: 64px 0;
        }

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

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

        .section-header h2 {
            font-size: clamp(24px, 2.6vw, 30px);
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

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

        /* ========== 开奖数据卡片 ========== */
        .lottery-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .lottery-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 28px;
            transition: var(--transition);
        }

        .lottery-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(229, 57, 53, 0.25);
        }

        .lottery-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            flex-wrap: wrap;
            gap: 8px;
        }

        .lottery-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .lottery-card-title .badge {
            display: inline-block;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(229, 57, 53, 0.1);
            color: var(--color-primary);
            border-radius: var(--radius-pill);
        }

        .lottery-card-date {
            font-size: 13px;
            color: var(--color-muted);
        }

        .number-balls {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .number-ball {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.5px;
            box-shadow: inset 0 -2px 4px rgba(0, 0, 0, 0.06);
            transition: var(--transition);
        }

        .number-ball.red {
            background-color: #E53935;
            color: #fff;
        }

        .number-ball.blue {
            background-color: #1E88E5;
            color: #fff;
        }

        .number-ball.gold {
            background-color: #C9A86A;
            color: #fff;
        }

        .number-ball.gray {
            background-color: #5A6169;
            color: #fff;
        }

        .number-ball:hover {
            transform: scale(1.08);
        }

        .lottery-info {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--color-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

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

        .lottery-info .label {
            color: var(--color-muted);
            font-size: 13px;
        }

        .lottery-info .value {
            color: var(--color-text);
            font-weight: 600;
            font-variant-numeric: tabular-nums;
        }

        /* ========== 比赛数据卡片 ========== */
        .match-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
        }

        .match-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            transition: var(--transition);
        }

        .match-item:hover {
            border-color: rgba(229, 57, 53, 0.25);
            box-shadow: var(--shadow-card);
        }

        .match-teams {
            display: flex;
            align-items: center;
            gap: 14px;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            min-width: 200px;
        }

        .match-score {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            font-variant-numeric: tabular-nums;
            letter-spacing: 2px;
        }

        .match-time {
            font-size: 13px;
            color: var(--color-muted);
            white-space: nowrap;
        }

        .match-league {
            font-size: 12px;
            padding: 4px 10px;
            background: var(--color-bg-alt);
            color: var(--color-muted);
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }

        /* ========== 数据统计摘要 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }

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

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            letter-spacing: 0.5px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-muted);
            margin-top: 8px;
        }

        /* ========== 相关分类入口 ========== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: var(--transition);
            text-decoration: none;
            color: var(--color-text);
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(229, 57, 53, 0.25);
            color: var(--color-text);
        }

        .related-card .icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(229, 57, 53, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }

        .related-card .info h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .related-card .info p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.6;
        }

        /* ========== 流程步骤 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            position: relative;
            counter-increment: step;
            transition: var(--transition);
        }

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

        .step-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--color-primary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

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

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(229, 57, 53, 0.2);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            background: none;
            text-align: left;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            position: relative;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--color-muted);
            transition: var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            background: rgba(229, 57, 53, 0.1);
            color: var(--color-primary);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ========== CTA 订阅 ========== */
        .cta-panel {
            background: var(--color-sidebar);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            background-image: url('/assets/images/8f4581049bac23d5.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 35, 41, 0.92) 0%, rgba(31, 35, 41, 0.78) 100%);
            z-index: 0;
        }

        .cta-panel>* {
            position: relative;
            z-index: 1;
        }

        .cta-panel .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .cta-panel .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 480px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .cta-form input {
            padding: 12px 18px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-btn);
            font-size: 15px;
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            min-width: 240px;
            transition: var(--transition);
            placeholder-color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }

        .cta-form input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.25);
            background: rgba(255, 255, 255, 0.15);
        }

        .cta-form button {
            padding: 12px 28px;
            background-color: var(--color-primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
        }

        .cta-form button:hover {
            background-color: var(--color-primary-600);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(229, 57, 53, 0.3);
        }

        /* ========== 页脚 ========== */
        .footer {
            background-color: #181B20;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            margin-top: auto;
        }

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

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

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

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

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

        .footer-legal a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .main-wrapper {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .mobile-overlay {
                display: block;
                pointer-events: none;
            }

            .mobile-overlay.open {
                pointer-events: auto;
            }

            body {
                padding-top: 64px;
            }

            .main-wrapper {
                padding-top: 0;
            }

            .page-banner {
                padding-top: 36px;
                min-height: 180px;
            }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            .section {
                padding: 48px 0;
            }

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

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

            .cta-panel {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }

            .cta-form {
                justify-content: center;
                width: 100%;
            }

            .cta-form input {
                flex: 1;
                min-width: 0;
                width: 100%;
            }

            .cta-form button {
                width: 100%;
            }

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

            .filter-bar {
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
            }

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

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

            .page-banner {
                padding: 28px 0 24px;
                min-height: 150px;
            }

            .page-banner h1 {
                font-size: 24px;
            }

            .page-banner .banner-desc {
                font-size: 13px;
            }

            .section {
                padding: 36px 0;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .stats-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

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

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

            .lottery-card {
                padding: 18px 16px;
            }

            .number-ball {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }

            .filter-select,
            .filter-date {
                width: 100%;
                min-width: 0;
            }

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

            .related-card {
                padding: 20px 16px;
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #E53935;
            --color-primary-600: #C62828;
            --color-accent: #C9A86A;
            --color-bg: #FAF9F7;
            --color-bg-alt: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1F2329;
            --color-muted: #5A6169;
            --color-border: rgba(0, 0, 0, 0.06);
            --color-sidebar: #1F2329;
            --color-sidebar-hover: #2A2F36;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 18px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.10);
            --container: 1240px;
            --sidebar-width: 290px;
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-primary-600);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 侧栏导航 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background-color: var(--color-sidebar);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            padding-top: 28px;
            padding-bottom: 20px;
        }
        .sidebar-logo {
            padding: 0 24px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .sidebar-logo a:hover {
            color: #ffd9d9;
        }
        .sidebar-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(229, 57, 53, 0.5);
        }
        .sidebar-nav {
            flex: 1;
            padding: 0 16px;
        }
        .sidebar-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .sidebar-nav li {
            width: 100%;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }
        .sidebar-nav a::before {
            content: '';
            position: absolute;
            left: -16px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background-color: var(--color-primary);
            border-radius: 0 3px 3px 0;
            transition: var(--transition);
        }
        .sidebar-nav a:hover {
            background-color: var(--color-sidebar-hover);
            color: #fff;
        }
        .sidebar-nav a:hover::before {
            height: 60%;
        }
        .sidebar-nav a.active {
            background-color: rgba(229, 57, 53, 0.18);
            color: #fff;
            font-weight: 600;
        }
        .sidebar-nav a.active::before {
            height: 70%;
        }
        .sidebar-nav .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            opacity: 0.85;
        }
        .sidebar-footer {
            padding: 16px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 16px;
            flex-shrink: 0;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .sidebar-footer a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .sidebar-footer a:hover {
            color: #fff;
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: var(--color-sidebar);
            color: #fff;
            z-index: 999;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }
        .mobile-header .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            flex-shrink: 0;
        }
        .mobile-header .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-header .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-header .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-header .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-header .mobile-logo {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 998;
            transition: var(--transition);
        }
        .sidebar-overlay.show {
            display: block;
        }

        /* ========== 主内容区 ========== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            flex: 1;
            padding-bottom: 0;
        }

        /* ========== 通用组件样式 ========== */
        h1,
        h2,
        h3,
        h4 {
            color: var(--color-text);
            font-weight: 700;
            line-height: 1.35;
        }
        h1 {
            font-size: 36px;
        }
        h2 {
            font-size: 28px;
            margin-bottom: 16px;
        }
        h3 {
            font-size: 22px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 18px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            cursor: pointer;
            text-align: center;
            transition: var(--transition);
            white-space: nowrap;
            min-height: 44px;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: var(--color-primary-600);
            color: #fff;
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }
        .btn-outline:hover {
            background-color: rgba(229, 57, 53, 0.08);
            color: var(--color-primary-600);
        }
        .btn-text {
            background: none;
            color: var(--color-primary);
            padding: 8px 12px;
            min-height: auto;
            font-weight: 500;
        }
        .btn-text:hover {
            color: var(--color-primary-600);
            background: rgba(229, 57, 53, 0.06);
        }
        .btn:focus-visible,
        .sidebar-nav a:focus-visible,
        .footer a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        /* 栅格系统 */
        .row {
            display: flex;
            flex-wrap: wrap;
            margin: -16px;
        }
        .col-12 {
            width: 100%;
            padding: 16px;
        }
        .col-md-6 {
            width: 100%;
            padding: 16px;
        }
        .col-lg-4 {
            width: 100%;
            padding: 16px;
        }
        .col-lg-8 {
            width: 100%;
            padding: 16px;
        }
        .col-lg-6 {
            width: 100%;
            padding: 16px;
        }

        /* 卡片 */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
        }
        .card-accent {
            border-left: 4px solid var(--color-primary);
        }
        .card-highlight {
            border: 2px solid rgba(229, 57, 53, 0.25);
            background: linear-gradient(135deg, #fff 0%, #fff9f8 100%);
        }

        /* 徽章/标签 */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            line-height: 1.4;
        }
        .badge-primary {
            background: rgba(229, 57, 53, 0.12);
            color: var(--color-primary);
        }
        .badge-dark {
            background: rgba(31, 35, 41, 0.08);
            color: var(--color-text);
        }
        .badge-accent {
            background: rgba(201, 168, 106, 0.15);
            color: #8a7446;
        }
        .badge-light {
            background: #f0f1f3;
            color: var(--color-muted);
        }

        /* 表单 */
        .form-control {
            width: 100%;
            padding: 10px 16px;
            border: 1.5px solid var(--color-border);
            border-radius: 8px;
            background: #fff;
            font-size: 15px;
            color: var(--color-text);
            min-height: 44px;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.12);
        }
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-muted);
            margin-bottom: 6px;
        }
        select.form-control {
            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='%235A6169' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        /* ========== 分类页头 ========== */
        .category-header {
            background: var(--color-bg-alt);
            padding: 40px 0 28px;
            border-bottom: 1px solid var(--color-border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-muted);
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--color-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .separator {
            color: #c0c4c9;
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
        }
        .category-header .header-desc {
            font-size: 16px;
            color: var(--color-muted);
            max-width: 680px;
            margin-top: 8px;
        }

        /* ========== 筛选工具条 ========== */
        .filter-toolbar {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            gap: 16px;
        }
        .filter-group {
            flex: 1;
            min-width: 150px;
        }
        .filter-group .form-label {
            margin-bottom: 4px;
        }
        .filter-actions {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        /* ========== 图表卡片区 ========== */
        .chart-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px;
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: var(--transition);
        }
        .chart-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .chart-card.highlight-card {
            border: 2px solid rgba(229, 57, 53, 0.3);
            background: linear-gradient(180deg, #fff 0%, #fffaf8 100%);
            position: relative;
        }
        .chart-card.highlight-card::before {
            content: '推荐图表';
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }
        .chart-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .chart-title .badge {
            flex-shrink: 0;
        }
        .chart-body {
            position: relative;
            min-height: 180px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .chart-body svg {
            width: 100%;
            height: auto;
            max-height: 260px;
        }
        .chart-img {
            border-radius: 12px;
            overflow: hidden;
        }
        .chart-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .bar-chart {
            display: flex;
            align-items: flex-end;
            gap: 4px;
            height: 180px;
            width: 100%;
            padding-top: 20px;
        }
        .bar-chart .bar {
            flex: 1;
            background: var(--color-primary);
            border-radius: 4px 4px 0 0;
            min-height: 8px;
            opacity: 0.85;
            transition: var(--transition);
            position: relative;
        }
        .bar-chart .bar:hover {
            opacity: 1;
            background: var(--color-primary-600);
        }
        .bar-chart .bar:nth-child(odd) {
            background: #e57373;
        }
        .bar-chart .bar:nth-child(even):hover {
            background: var(--color-primary-600);
        }
        .legend-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--color-muted);
            margin-top: 12px;
        }
        .legend-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
            margin-right: 6px;
            flex-shrink: 0;
        }

        /* ========== 号码球 ========== */
        .number-balls {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            font-size: 15px;
            font-weight: 700;
            font-family: "SF Mono", "Consolas", "Liberation Mono", monospace;
            color: #fff;
            background: var(--color-primary);
            flex-shrink: 0;
        }
        .ball.ball-blue {
            background: #3f6db5;
        }
        .ball.ball-green {
            background: #43a047;
        }
        .ball.ball-dark {
            background: #444;
            font-size: 13px;
        }
        .ball.ball-outline {
            background: transparent;
            color: var(--color-muted);
            border: 1.5px dashed #c0c4c9;
            font-weight: 500;
        }

        /* ========== 统计表格 ========== */
        .stat-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .stat-table th,
        .stat-table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--color-border);
        }
        .stat-table th {
            background: var(--color-bg-alt);
            font-weight: 600;
            color: var(--color-muted);
            font-size: 13px;
        }
        .stat-table td {
            color: var(--color-text);
        }
        .stat-table tr:hover td {
            background: #fdf8f8;
        }

        /* ========== 相关分类入口 ========== */
        .category-entry-card {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            height: 100%;
        }
        .category-entry-card:hover {
            border-color: rgba(229, 57, 53, 0.3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .category-entry-card .entry-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(229, 57, 53, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
        }
        .category-entry-card .entry-info {
            flex: 1;
        }
        .category-entry-card .entry-info h4 {
            margin-bottom: 4px;
            font-size: 17px;
        }
        .category-entry-card .entry-info p {
            font-size: 14px;
            color: var(--color-muted);
            margin-bottom: 0;
        }
        .category-entry-card .entry-arrow {
            font-size: 20px;
            color: var(--color-primary);
            flex-shrink: 0;
            transition: var(--transition);
        }
        .category-entry-card:hover .entry-arrow {
            transform: translateX(4px);
        }

        /* ========== 步骤 ========== */
        .steps-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            position: relative;
        }
        .step-item {
            flex: 1;
            min-width: 200px;
            padding: 24px 28px;
            position: relative;
        }
        .step-item .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .step-item .step-title {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .step-item .step-desc {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .step-item::after {
            content: '';
            position: absolute;
            right: -10px;
            top: 44px;
            width: 20px;
            height: 2px;
            background: #e0d9cd;
        }
        .step-item:last-child::after {
            display: none;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.open {
            border-color: rgba(229, 57, 53, 0.25);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--color-text);
            transition: var(--transition);
            text-align: left;
            width: 100%;
        }
        .faq-question:hover {
            background: #fdf8f8;
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(229, 57, 53, 0.1);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-question .faq-toggle {
            margin-left: auto;
            font-size: 20px;
            color: var(--color-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ========== 订阅CTA ========== */
        .cta-section {
            background: var(--color-sidebar);
            border-radius: var(--radius-card);
            padding: 40px;
            color: #fff;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 32px;
        }
        .cta-section .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .cta-section .cta-text h2 {
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-section .cta-text p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0;
            font-size: 15px;
        }
        .cta-section .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            min-width: 280px;
            flex: 1;
        }
        .cta-section .cta-form input {
            flex: 1;
            min-width: 200px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            border-radius: 8px;
            padding: 10px 16px;
            min-height: 44px;
        }
        .cta-section .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .cta-section .cta-form input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 168, 106, 0.2);
        }
        .cta-section .cta-form .btn-primary {
            flex-shrink: 0;
        }

        /* ========== 页脚 ========== */
        .footer {
            background: var(--color-sidebar);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 20px;
            margin-top: 64px;
        }
        .footer .footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer .footer-brand {
            flex: 2;
            min-width: 260px;
        }
        .footer .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            margin-bottom: 12px;
        }
        .footer .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 380px;
            margin-bottom: 0;
        }
        .footer .footer-col {
            flex: 1;
            min-width: 140px;
        }
        .footer .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer .footer-col a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer .footer-col a:hover {
            color: #fff;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer .footer-bottom .footer-legal {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }
        .footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (min-width: 768px) {
            .col-md-6 {
                width: 50%;
            }
        }
        @media (min-width: 1024px) {
            .col-lg-4 {
                width: 33.333333%;
            }
            .col-lg-8 {
                width: 66.666666%;
            }
            .col-lg-6 {
                width: 50%;
            }
        }
        @media (max-width: 1023px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                width: min(80%, 320px);
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                padding-top: 64px;
            }
            .category-header {
                padding: 20px 0 16px;
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 24px;
            }
            .cta-section {
                padding: 28px;
            }
            .step-item::after {
                display: none;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .row {
                margin: -8px;
            }
            .col-12,
            .col-md-6,
            .col-lg-4,
            .col-lg-8,
            .col-lg-6 {
                padding: 8px;
            }
            h1 {
                font-size: 24px;
            }
            h2 {
                font-size: 21px;
            }
            .card {
                padding: 20px;
            }
            .chart-card {
                padding: 16px;
            }
            .filter-toolbar {
                padding: 16px;
                gap: 10px;
            }
            .filter-group {
                min-width: 100%;
            }
            .filter-actions {
                width: 100%;
                flex-wrap: wrap;
            }
            .filter-actions .btn {
                flex: 1;
            }
            .category-header {
                padding: 16px 0 12px;
            }
            .breadcrumb {
                font-size: 13px;
                flex-wrap: wrap;
            }
            .category-header .header-desc {
                font-size: 14px;
            }
            .cta-section {
                flex-direction: column;
                padding: 20px;
            }
            .cta-section .cta-form {
                flex-direction: column;
            }
            .cta-section .cta-form input {
                width: 100%;
            }
            .footer {
                padding: 32px 0 16px;
                margin-top: 40px;
            }
            .footer .footer-grid {
                gap: 20px;
            }
            .footer .footer-col {
                min-width: 45%;
            }
            .step-item {
                padding: 16px;
                min-width: 100%;
            }
            .chart-body {
                min-height: 140px;
            }
            .bar-chart {
                height: 140px;
            }
            .ball {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }
            .stat-table {
                font-size: 12px;
            }
            .stat-table th,
            .stat-table td {
                padding: 8px 10px;
            }
        }
        @media (max-width: 520px) {
            .footer .footer-brand {
                min-width: 100%;
            }
            .footer .footer-col {
                min-width: 100%;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .number-balls {
                gap: 6px;
            }
            .ball {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }
            .chart-card.highlight-card::before {
                font-size: 10px;
                padding: 3px 8px;
                top: 8px;
                right: 8px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #E53935;
            --color-primary-600: #C62828;
            --color-accent: #C9A86A;
            --color-bg: #FAF9F7;
            --color-bg-alt: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1F2329;
            --color-muted: #5A6169;
            --color-border: rgba(0, 0, 0, 0.06);
            --color-sidebar: #1F2329;
            --color-sidebar-hover: #2A2F36;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 18px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.10);
            --container: 1240px;
            --sidebar-width: 290px;
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: var(--color-primary-600);
        }

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

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

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

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background-color: var(--color-sidebar);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            overflow-y: auto;
        }

        .sidebar-logo {
            padding: 24px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .sidebar-logo a:hover {
            color: #ffd9d9;
        }

        .sidebar-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(229, 57, 53, 0.5);
        }

        .sidebar-nav {
            flex: 1;
            padding: 0 16px;
        }

        .sidebar-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

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

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .sidebar-nav a::before {
            content: '';
            position: absolute;
            left: -16px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background-color: var(--color-primary);
            border-radius: 0 3px 3px 0;
            transition: var(--transition);
        }

        .sidebar-nav a:hover {
            background-color: var(--color-sidebar-hover);
            color: #fff;
        }

        .sidebar-nav a:hover::before {
            height: 60%;
        }

        .sidebar-nav a.active {
            background-color: rgba(229, 57, 53, 0.18);
            color: #fff;
            font-weight: 600;
        }

        .sidebar-nav a.active::before {
            height: 70%;
        }

        .sidebar-nav .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            opacity: 0.85;
        }

        .sidebar-footer {
            padding: 16px 24px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 16px;
            flex-shrink: 0;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .sidebar-footer a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* ========== 主内容区 ========== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: var(--color-sidebar);
            color: #fff;
            z-index: 999;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }

        .mobile-header .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            transition: var(--transition);
        }

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

        .mobile-header .hamburger span {
            width: 20px;
            height: 2px;
            background-color: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

        .mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }

        .mobile-header .mobile-logo .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--color-primary);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            transition: opacity 0.3s;
        }

        .drawer-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ========== 页面头部 ========== */
        .page-header {
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            padding: 48px 0 36px;
            position: relative;
            overflow: hidden;
        }

        .page-header::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
        }

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

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

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

        .breadcrumb .sep {
            color: #B0B5BA;
        }

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

        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.35;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .page-header .page-desc {
            font-size: 16px;
            color: var(--color-muted);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ========== Section通用 ========== */
        .section {
            padding: 64px 0;
        }

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

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

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

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

        /* ========== 筛选工具条 ========== */
        .filter-bar {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            box-shadow: var(--shadow-card);
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-group label {
            font-size: 14px;
            color: var(--color-muted);
            font-weight: 500;
            white-space: nowrap;
        }

        .filter-group select {
            padding: 10px 16px;
            border: 1px solid #D5D9DE;
            border-radius: var(--radius-btn);
            background: #fff;
            color: var(--color-text);
            font-size: 14px;
            min-width: 140px;
            transition: var(--transition);
            appearance: auto;
        }

        .filter-group select:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
        }

        .filter-btn {
            padding: 10px 20px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
        }

        .filter-btn:hover {
            background: var(--color-primary-600);
            box-shadow: 0 4px 12px rgba(229, 57, 53, 0.25);
        }

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

        .filter-reset {
            padding: 10px 16px;
            color: var(--color-muted);
            font-size: 14px;
            border: 1px solid #D5D9DE;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
        }

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

        /* ========== 工具卡片网格 ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .tool-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .tool-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(229, 57, 53, 0.25);
            transform: translateY(-2px);
        }

        .tool-card .tool-icon {
            width: 52px;
            height: 52px;
            background: rgba(229, 57, 53, 0.08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 18px;
            flex-shrink: 0;
        }

        .tool-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .tool-card p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.8;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .tool-card .tool-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .tool-card .tool-tag {
            padding: 4px 12px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-pill);
            font-size: 12px;
            color: var(--color-muted);
            font-weight: 500;
        }

        .tool-card .tool-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
        }

        .tool-card .tool-action:hover {
            color: var(--color-primary-600);
            gap: 10px;
        }

        .tool-card .tool-cover {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 12px;
            margin-bottom: 18px;
        }

        /* ========== 数据统计摘要 ========== */
        .stats-summary {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 8px;
            font-variant-numeric: tabular-nums;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-muted);
            font-weight: 500;
        }

        .stat-unit {
            font-size: 16px;
            font-weight: 500;
            color: var(--color-muted);
            margin-left: 4px;
        }

        /* ========== 相关分类入口 ========== */
        .related-cats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .related-cat-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .related-cat-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(229, 57, 53, 0.25);
        }

        .related-cat-card .cat-icon {
            width: 48px;
            height: 48px;
            background: rgba(229, 57, 53, 0.08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
        }

        .related-cat-card .cat-info h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .related-cat-card .cat-info p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.6;
        }

        .related-cat-card .cat-arrow {
            margin-left: auto;
            color: var(--color-primary);
            font-size: 20px;
            flex-shrink: 0;
        }

        /* ========== 使用步骤 ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

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

        .step-number {
            width: 48px;
            height: 48px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

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

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(229, 57, 53, 0.2);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: var(--transition);
            background: none;
            cursor: pointer;
        }

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

        .faq-number {
            width: 28px;
            height: 28px;
            background: rgba(229, 57, 53, 0.08);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .faq-question .faq-toggle {
            margin-left: auto;
            font-size: 20px;
            color: var(--color-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
            padding: 0 24px;
            color: var(--color-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ========== CTA / 订阅 ========== */
        .cta-section {
            background: var(--color-sidebar);
            color: #fff;
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 15px;
            transition: var(--transition);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            outline: none;
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.25);
        }

        .cta-form button {
            padding: 14px 28px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
        }

        .cta-form button:hover {
            background: var(--color-primary-600);
            box-shadow: 0 4px 16px rgba(229, 57, 53, 0.35);
        }

        /* ========== 页脚 ========== */
        .footer {
            background-color: var(--color-sidebar);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 32px;
            margin-top: auto;
        }

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

        .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

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

        .footer-legal a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                width: 80%;
                max-width: 300px;
            }

            .sidebar.open {
                transform: translateX(0);
                box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
            }

            .main-wrapper {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .main-wrapper {
                padding-top: 64px;
            }

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

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

            .steps-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 20px;
            }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            .section {
                padding: 48px 0;
            }

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

            .page-header h1 {
                font-size: 28px;
            }

            .section-header h2 {
                font-size: 22px;
            }

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

            .related-cats {
                grid-template-columns: 1fr;
            }

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

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

            .section {
                padding: 36px 0;
            }

            .page-header h1 {
                font-size: 24px;
            }

            .filter-bar {
                padding: 16px;
                gap: 12px;
            }

            .filter-group {
                width: 100%;
            }

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

            .stats-summary {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

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

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

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

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

            .cta-section {
                padding: 32px 20px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form button {
                width: 100%;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
        }

        :focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category3 */
:root {
            --color-primary: #E53935;
            --color-primary-600: #C62828;
            --color-accent: #C9A86A;
            --color-bg: #FAF9F7;
            --color-bg-alt: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1F2329;
            --color-muted: #5A6169;
            --color-border: rgba(0, 0, 0, 0.06);
            --color-sidebar: #1F2329;
            --color-sidebar-hover: #2A2F36;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 18px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.10);
            --container: 1240px;
            --sidebar-width: 290px;
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: var(--color-primary-600);
        }

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

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

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

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

        h1 {
            font-size: 36px;
        }

        h2 {
            font-size: 28px;
        }

        h3 {
            font-size: 20px;
            font-weight: 600;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background-color: var(--color-sidebar);
            color: #fff;
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform 0.3s ease;
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-logo {
            padding: 24px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 12px;
            flex-shrink: 0;
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .sidebar-logo a:hover {
            color: #ffd9d9;
        }

        .sidebar-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(229, 57, 53, 0.5);
        }

        .sidebar-nav {
            flex: 1;
            padding: 0 16px;
        }

        .sidebar-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

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

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .sidebar-nav a::before {
            content: '';
            position: absolute;
            left: -16px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background-color: var(--color-primary);
            border-radius: 0 3px 3px 0;
            transition: var(--transition);
        }

        .sidebar-nav a:hover {
            background-color: var(--color-sidebar-hover);
            color: #fff;
        }

        .sidebar-nav a:hover::before {
            height: 60%;
        }

        .sidebar-nav a.active {
            background-color: rgba(229, 57, 53, 0.18);
            color: #fff;
            font-weight: 600;
        }

        .sidebar-nav a.active::before {
            height: 70%;
        }

        .sidebar-nav .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            opacity: 0.85;
        }

        .sidebar-footer {
            padding: 16px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 16px;
            flex-shrink: 0;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding-bottom: 20px;
        }

        .sidebar-footer a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 999;
            transition: opacity 0.3s ease;
        }

        .sidebar-overlay.show {
            display: block;
        }

        /* ========== 主内容区 ========== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: var(--color-sidebar);
            color: #fff;
            z-index: 998;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }

        .mobile-header .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            flex-shrink: 0;
        }

        .mobile-header .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

        .mobile-header .mobile-logo {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-muted);
            padding: 16px 0 8px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: rgba(0, 0, 0, 0.25);
        }

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

        /* ========== 分类页头 ========== */
        .page-header {
            background-color: var(--color-bg-alt);
            padding: 28px 0 32px;
            border-bottom: 1px solid var(--color-border);
        }

        .page-header h1 {
            font-size: 32px;
            margin-bottom: 8px;
        }

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

        /* ========== 通用 section ========== */
        .section {
            padding: 56px 0;
        }

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

        .section-title {
            font-size: 26px;
            margin-bottom: 12px;
        }

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

        /* ========== 筛选工具条 ========== */
        .filter-bar {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: flex-end;
            box-shadow: var(--shadow-card);
        }

        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 140px;
            flex: 1 1 160px;
        }

        .filter-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
        }

        .filter-group select,
        .filter-group input {
            height: 44px;
            padding: 0 14px;
            border: 1px solid rgba(0, 0, 0, 0.12);
            border-radius: var(--radius-btn);
            background-color: #fff;
            font-size: 14px;
            color: var(--color-text);
            transition: var(--transition);
            outline: none;
            width: 100%;
        }

        .filter-group select:focus,
        .filter-group input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
        }

        .filter-btn {
            height: 44px;
            padding: 0 24px;
            background-color: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            flex-shrink: 0;
            white-space: nowrap;
        }

        .filter-btn:hover {
            background-color: var(--color-primary-600);
            box-shadow: var(--shadow-hover);
        }

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

        /* ========== 赛事卡片网格 ========== */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .match-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .match-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(229, 57, 53, 0.25);
            transform: translateY(-2px);
        }

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

        .match-league {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(229, 57, 53, 0.08);
            color: var(--color-primary-600);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }

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

        .match-image {
            width: 100%;
            height: 180px;
            border-radius: 12px;
            overflow: hidden;
            background-color: var(--color-bg-alt);
            flex-shrink: 0;
        }

        .match-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .team-name {
            font-size: 18px;
            font-weight: 700;
            flex: 1;
        }

        .team-name:last-child {
            text-align: right;
        }

        .match-score {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 2px;
            tabular-nums: numeric;
            font-variant-numeric: tabular-nums;
        }

        .match-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        .stat-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background-color: var(--color-bg-alt);
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--color-muted);
            white-space: nowrap;
        }

        .stat-chip strong {
            color: var(--color-text);
            font-weight: 600;
        }

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

        .stat-block {
            text-align: center;
            padding: 28px 16px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            font-variant-numeric: tabular-nums;
            line-height: 1.3;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-muted);
            margin-top: 6px;
        }

        /* ========== 相关分类入口 ========== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .related-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(229, 57, 53, 0.25);
        }

        .related-icon {
            width: 48px;
            height: 48px;
            background-color: rgba(229, 57, 53, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }

        .related-info h3 {
            font-size: 18px;
            margin-bottom: 4px;
        }

        .related-info p {
            font-size: 14px;
            color: var(--color-muted);
        }

        /* ========== 使用步骤 ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .step-item h3 {
            font-size: 17px;
            margin-bottom: 6px;
        }

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

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -14px;
            transform: translateY(-50%);
            color: var(--color-accent);
            font-size: 20px;
            font-weight: 700;
            z-index: 2;
        }

        .step-item:last-child .step-arrow {
            display: none;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item.open {
            border-color: rgba(229, 57, 53, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            width: 100%;
            padding: 18px 20px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            transition: var(--transition);
        }

        .faq-question:hover {
            background-color: rgba(229, 57, 53, 0.04);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: -2px;
        }

        .faq-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background-color: rgba(229, 57, 53, 0.1);
            color: var(--color-primary);
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-toggle {
            margin-left: auto;
            font-size: 20px;
            color: var(--color-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-content {
            padding: 0 20px 18px 62px;
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.8;
        }

        /* ========== 订阅CTA ========== */
        .cta-box {
            background-color: var(--color-sidebar);
            color: #fff;
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            box-shadow: var(--shadow-hover);
        }

        .cta-box h2 {
            color: #fff;
            font-size: 26px;
            margin-bottom: 12px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.8;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            height: 48px;
            padding: 0 16px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-btn);
            background-color: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 15px;
            outline: none;
            transition: var(--transition);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--color-primary);
            background-color: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.2);
        }

        .cta-form button {
            height: 48px;
            padding: 0 28px;
            background-color: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
        }

        .cta-form button:hover {
            background-color: var(--color-primary-600);
            box-shadow: 0 6px 16px rgba(229, 57, 53, 0.4);
        }

        .cta-form button:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* ========== Footer ========== */
        .footer {
            background-color: var(--color-sidebar);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 32px;
            margin-top: auto;
        }

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

        .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

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

        .footer-legal a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                z-index: 1001;
            }

            .sidebar.open {
                transform: translateX(0);
                box-shadow: 8px 0 24px rgba(0, 0, 0, 0.3);
            }

            .main-wrapper {
                margin-left: 0;
                padding-top: 64px;
            }

            .mobile-header {
                display: flex;
            }

            .sidebar-overlay.show {
                display: block;
            }

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

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

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

            .step-arrow {
                display: none;
            }

            .cta-box {
                grid-template-columns: 1fr;
                padding: 32px 24px;
            }

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

        @media (max-width: 768px) {
            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 22px;
            }

            .container {
                padding: 0 20px;
            }

            .section {
                padding: 40px 0;
            }

            .page-header {
                padding: 20px 0 24px;
            }

            .page-header h1 {
                font-size: 26px;
            }

            .filter-bar {
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
            }

            .filter-group {
                min-width: 100%;
            }

            .filter-btn {
                width: 100%;
            }

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

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

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

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

            .match-teams {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                gap: 8px;
            }

            .team-name:last-child {
                text-align: center;
            }

            .match-score {
                font-size: 22px;
                text-align: center;
            }

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

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

            .footer-legal {
                justify-content: center;
            }

            .cta-box {
                padding: 24px 18px;
            }

            .cta-form input {
                min-width: 100%;
            }

            .cta-form button {
                width: 100%;
            }
        }

        /* 可访问性 */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

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

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

/* roulang page: category5 */
:root {
            --color-primary: #E53935;
            --color-primary-600: #C62828;
            --color-accent: #C9A86A;
            --color-bg: #FAF9F7;
            --color-bg-alt: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1F2329;
            --color-muted: #5A6169;
            --color-border: rgba(0, 0, 0, 0.06);
            --color-sidebar: #1F2329;
            --color-sidebar-hover: #2A2F36;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 18px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.10);
            --container: 1240px;
            --sidebar-width: 290px;
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-primary-600);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
        }
        .section {
            padding: 72px 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--color-bg-alt);
        }
        .section-heading {
            margin-bottom: 40px;
        }
        .section-heading h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .section-heading p {
            font-size: 16px;
            color: var(--color-muted);
            max-width: 640px;
            margin: 0;
        }
        .badge-soft {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            background: rgba(229, 57, 53, 0.1);
            color: var(--color-primary);
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            border: none;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary-custom:hover {
            background: var(--color-primary-600);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(229, 57, 53, 0.25);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 16px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--color-primary);
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-outline-custom:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-ghost-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: var(--color-primary);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 4px;
            border: none;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-ghost-custom .arrow {
            transition: transform 0.25s ease;
        }
        .btn-ghost-custom:hover {
            color: var(--color-primary-600);
        }
        .btn-ghost-custom:hover .arrow {
            transform: translateX(4px);
        }
        .card-custom {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(229, 57, 53, 0.25);
        }
        .card-body-custom {
            padding: 24px;
        }
        .card-body-custom h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--color-text);
        }
        .card-body-custom p {
            font-size: 15px;
            color: var(--color-muted);
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .card-img-wrapper {
            position: relative;
            overflow: hidden;
            width: 100%;
            aspect-ratio: 16 / 9;
            background: var(--color-bg-alt);
        }
        .card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .card-custom:hover .card-img-wrapper img {
            transform: scale(1.03);
        }
        .ball-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 15px;
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.3px;
        }
        .ball-red {
            background: #E53935;
            color: #fff;
        }
        .ball-blue {
            background: #1E88E5;
            color: #fff;
        }
        .ball-green {
            background: #2E7D32;
            color: #fff;
        }
        .stat-number {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-unit {
            font-size: 16px;
            font-weight: 500;
            color: var(--color-muted);
            margin-left: 4px;
        }
        .stat-divider {
            width: 1px;
            background: var(--color-border);
            align-self: stretch;
            min-height: 60px;
        }
        .news-date {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            color: var(--color-muted);
            font-weight: 500;
            gap: 6px;
        }
        .news-date .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-primary);
        }
        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 22px;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(229, 57, 53, 0.2);
            transform: translateY(-2px);
        }
        .news-card h4 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin: 10px 0 8px;
            color: var(--color-text);
        }
        .news-card .excerpt {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(229, 57, 53, 0.3);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            background: var(--color-card);
            text-align: left;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(229, 57, 53, 0.1);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--color-primary-600);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            color: var(--color-muted);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }
        .form-control-custom {
            height: 46px;
            border-radius: 8px;
            border: 1.5px solid rgba(0, 0, 0, 0.12);
            padding: 0 16px;
            font-size: 15px;
            color: var(--color-text);
            background: #fff;
            transition: var(--transition);
            width: 100%;
        }
        .form-control-custom:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.12);
        }
        .form-error {
            color: #C62828;
            font-size: 13px;
            margin-top: 6px;
            display: none;
        }
        .form-success {
            color: #2E7D32;
            font-size: 14px;
            margin-top: 8px;
            display: none;
        }
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background-color: var(--color-sidebar);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding-top: 24px;
            overflow-y: auto;
        }
        .sidebar-logo {
            padding: 0 24px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .sidebar-logo a:hover {
            color: #ffd9d9;
        }
        .sidebar-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(229, 57, 53, 0.5);
        }
        .sidebar-nav {
            flex: 1;
            padding: 0 16px;
        }
        .sidebar-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .sidebar-nav li {
            width: 100%;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .sidebar-nav a::before {
            content: '';
            position: absolute;
            left: -16px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            background-color: var(--color-primary);
            border-radius: 0 3px 3px 0;
            transition: var(--transition);
        }
        .sidebar-nav a:hover {
            background-color: var(--color-sidebar-hover);
            color: #fff;
        }
        .sidebar-nav a:hover::before {
            height: 60%;
        }
        .sidebar-nav a.active {
            background-color: rgba(229, 57, 53, 0.18);
            color: #fff;
            font-weight: 600;
        }
        .sidebar-nav a.active::before {
            height: 70%;
        }
        .sidebar-nav .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            opacity: 0.85;
        }
        .sidebar-footer {
            padding: 16px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 16px;
            flex-shrink: 0;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .sidebar-footer a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
        }
        .sidebar-footer a:hover {
            color: #fff;
        }
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: var(--color-sidebar);
            color: #fff;
            z-index: 999;
            align-items: center;
            padding: 0 20px;
            gap: 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }
        .mobile-header .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-header .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-header .hamburger:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .mobile-header .mobile-logo {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .mobile-header .mobile-logo .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-overlay.show {
            display: block;
            opacity: 1;
        }
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--color-sidebar);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 35, 41, 0.85) 0%, rgba(229, 57, 53, 0.55) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
        }
        .hero-title {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin-bottom: 28px;
            line-height: 1.75;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            padding: 24px;
            position: relative;
            z-index: 2;
        }
        .hero-card .card-header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }
        .hero-card .card-header-row h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0;
        }
        .hero-card .badge-live {
            background: rgba(46, 125, 50, 0.1);
            color: #2E7D32;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .hero-card .badge-live .pulse-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #2E7D32;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        .hero-card .ball-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .hero-card .info-row {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-muted);
            padding: 8px 0;
            border-top: 1px solid var(--color-border);
        }
        .hero-card .info-row:last-child {
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 8px;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-grid .news-card:first-child {
            grid-column: 1 / -1;
        }
        .news-grid .news-card:first-child .excerpt {
            max-width: 80%;
        }
        .partner-logo {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px 24px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-muted);
            transition: var(--transition);
            min-height: 70px;
            text-align: center;
        }
        .partner-logo:hover {
            border-color: rgba(229, 57, 53, 0.3);
            color: var(--color-text);
            box-shadow: var(--shadow-card);
        }
        .guarantee-item {
            text-align: center;
            padding: 28px 20px;
        }
        .guarantee-item .guarantee-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(229, 57, 53, 0.1);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin: 0 auto 16px;
        }
        .guarantee-item h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .guarantee-item p {
            font-size: 14px;
            color: var(--color-muted);
            max-width: 280px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .tool-cta-box {
            background: linear-gradient(135deg, #1F2329 0%, #2D2F34 100%);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            color: #fff;
        }
        .tool-cta-box h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .tool-cta-box p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
            max-width: 500px;
        }
        .cta-section {
            background: linear-gradient(135deg, #E53935 0%, #C62828 100%);
            border-radius: var(--radius-card);
            padding: 48px 52px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-form .form-control-custom {
            flex: 1;
            min-width: 240px;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.98);
        }
        .footer {
            background: var(--color-sidebar);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 32px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-legal {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .footer-legal a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            text-decoration: none;
        }
        .footer-legal a:hover {
            color: #fff;
        }
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.32s ease;
                box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 64px;
            }
            .mobile-header {
                display: flex;
            }
            .hero-title {
                font-size: 32px;
            }
            .section {
                padding: 56px 0;
            }
            .section-heading h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .cta-section {
                padding: 36px 28px;
            }
            .tool-cta-box {
                padding: 28px 24px;
            }
            .stat-number {
                font-size: 32px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .hero-section {
                min-height: 520px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-card {
                margin-top: 20px;
                padding: 18px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-grid .news-card:first-child {
                grid-column: auto;
            }
            .news-grid .news-card:first-child .excerpt {
                max-width: none;
            }
            .stat-divider {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form .form-control-custom {
                min-width: auto;
            }
            .ball-number {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .section {
                padding: 40px 0;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .card-body-custom {
                padding: 18px;
            }
            .cta-section {
                padding: 24px 18px;
            }
            .tool-cta-box {
                padding: 22px 18px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}