/* roulang page: index */
:root {
            --fn-green: #0E9F8A;
            --fn-green-dark: #0a7a68;
            --fn-green-light: #e7f5f2;
            --fn-orange: #FF5A3C;
            --fn-orange-dark: #e04427;
            --fn-bg-light: #F4F6FA;
            --fn-bg-dark: #0B0F1C;
            --fn-bg-dark-2: #101625;
            --fn-text-main: #1A1F2E;
            --fn-text-muted: #5C6370;
            --fn-border: rgba(26, 31, 46, 0.08);
            --fn-radius-card: 12px;
            --fn-radius-btn: 8px;
            --fn-radius-badge: 20px;
            --fn-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
            --fn-shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.16);
            --fn-transition: all 0.25s ease;
            --fn-max-width: 1140px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.9;
            color: var(--fn-text-main);
            background-color: #fff;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--fn-transition);
        }
        a:hover {
            text-decoration: none;
            color: var(--fn-green);
        }

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

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

        .container {
            max-width: var(--fn-max-width);
        }

        /* ============ 导航 ============ */
        .fn-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: var(--fn-bg-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .fn-header .navbar {
            padding: 0;
            min-height: 68px;
        }
        .fn-logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .fn-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--fn-green), #17c3a0);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .fn-logo-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }
        .fn-logo-text span {
            color: var(--fn-green);
        }

        .fn-nav .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            font-weight: 500;
            padding: 22px 16px;
            position: relative;
            transition: var(--fn-transition);
            letter-spacing: 0.5px;
        }
        .fn-nav .navbar-nav .nav-link:hover,
        .fn-nav .navbar-nav .nav-link:focus {
            color: #fff;
        }
        .fn-nav .navbar-nav .nav-link.active {
            color: var(--fn-green);
            font-weight: 600;
        }
        .fn-nav .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--fn-green);
            border-radius: 2px;
        }
        .fn-nav .navbar-nav .nav-link:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: -2px;
        }

        .fn-header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .fn-status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--fn-radius-badge);
            font-size: 13px;
            font-weight: 600;
            background: rgba(14, 159, 138, 0.15);
            color: var(--fn-green);
            border: 1px solid rgba(14, 159, 138, 0.3);
            white-space: nowrap;
        }
        .fn-status-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--fn-green);
            animation: fn-pulse 2s infinite;
        }
        @keyframes fn-pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }
        .fn-btn-header {
            background: var(--fn-orange);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            white-space: nowrap;
        }
        .fn-btn-header:hover,
        .fn-btn-header:focus {
            background: var(--fn-orange-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 90, 60, 0.3);
        }
        .fn-btn-header:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }

        .fn-navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
        }
        .fn-navbar-toggler .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            .fn-header .navbar {
                min-height: auto;
                padding: 12px 0;
            }
            .fn-nav .navbar-nav .nav-link {
                padding: 12px 4px;
                font-size: 16px;
                color: rgba(255, 255, 255, 0.85);
            }
            .fn-nav .navbar-nav .nav-link.active::after {
                display: none;
            }
            .fn-nav .navbar-nav .nav-link.active {
                background: rgba(14, 159, 138, 0.12);
                border-radius: 8px;
                padding-left: 12px;
                padding-right: 12px;
            }
            .fn-header-right {
                flex-wrap: wrap;
                gap: 8px;
            }
            .fn-status-badge {
                font-size: 12px;
                padding: 4px 10px;
            }
            .fn-btn-header {
                padding: 8px 16px;
                font-size: 14px;
            }
        }

        /* ============ 通用 Section ============ */
        .fn-section {
            padding: 72px 0;
        }
        .fn-section.bg-light {
            background: var(--fn-bg-light);
        }
        .fn-section.bg-dark {
            background: var(--fn-bg-dark);
            color: #fff;
        }
        .fn-section.bg-dark-2 {
            background: var(--fn-bg-dark-2);
            color: #fff;
        }
        .fn-section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            color: inherit;
        }
        .fn-section-sub {
            font-size: 16px;
            color: var(--fn-text-muted);
            margin-bottom: 36px;
            max-width: 720px;
        }
        .bg-dark .fn-section-sub,
        .bg-dark-2 .fn-section-sub {
            color: rgba(255, 255, 255, 0.65);
        }
        .fn-section-badge {
            display: inline-block;
            padding: 5px 16px;
            border-radius: var(--fn-radius-badge);
            background: rgba(14, 159, 138, 0.12);
            color: var(--fn-green);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        /* ============ 按钮 ============ */
        .fn-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: var(--fn-radius-btn);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: none;
            transition: var(--fn-transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .fn-btn-primary {
            background: var(--fn-green);
            color: #fff;
        }
        .fn-btn-primary:hover,
        .fn-btn-primary:focus {
            background: var(--fn-orange);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 90, 60, 0.3);
        }
        .fn-btn-primary:active {
            background: var(--fn-orange-dark);
            box-shadow: 0 4px 10px rgba(255, 90, 60, 0.25);
        }
        .fn-btn-primary:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }
        .fn-btn-outline {
            background: transparent;
            color: var(--fn-green);
            border: 1px solid var(--fn-green);
        }
        .fn-btn-outline:hover,
        .fn-btn-outline:focus {
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            border-color: var(--fn-green);
        }
        .fn-btn-outline:active {
            background: rgba(14, 159, 138, 0.2);
        }
        .fn-btn-outline:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }
        .fn-btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.45);
        }
        .fn-btn-outline-light:hover,
        .fn-btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
        }
        .fn-btn-orange {
            background: var(--fn-orange);
            color: #fff;
        }
        .fn-btn-orange:hover,
        .fn-btn-orange:focus {
            background: var(--fn-orange-dark);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 90, 60, 0.35);
        }
        .fn-btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .fn-btn-lg {
            padding: 14px 32px;
            font-size: 17px;
        }

        /* ============ 卡片 ============ */
        .fn-card {
            background: #fff;
            border-radius: var(--fn-radius-card);
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            overflow: hidden;
            transition: var(--fn-transition);
            height: 100%;
        }
        .fn-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(14, 159, 138, 0.35);
        }
        .fn-card .fn-card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }
        .fn-card .fn-card-body {
            padding: 20px 22px;
        }
        .fn-card .fn-card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--fn-text-main);
        }
        .fn-card .fn-card-text {
            font-size: 14px;
            color: var(--fn-text-muted);
            line-height: 1.8;
        }
        .fn-card .fn-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--fn-radius-badge);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 8px;
        }
        .fn-badge-green {
            background: rgba(14, 159, 138, 0.12);
            color: var(--fn-green);
        }
        .fn-badge-orange {
            background: rgba(255, 90, 60, 0.12);
            color: var(--fn-orange);
        }
        .fn-badge-gray {
            background: rgba(92, 99, 112, 0.12);
            color: var(--fn-text-muted);
        }

        /* ============ Hero ============ */
        .fn-hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            background: var(--fn-bg-dark);
            color: #fff;
            overflow: hidden;
            padding-top: 90px;
            padding-bottom: 40px;
        }
        .fn-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/0bd32bcb39dbf81b.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.4;
            z-index: 1;
        }
        .fn-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 28, 0.92) 0%, rgba(11, 15, 28, 0.65) 45%, rgba(14, 159, 138, 0.25) 100%);
            z-index: 2;
        }
        .fn-hero .container {
            position: relative;
            z-index: 5;
        }
        .fn-hero-content {
            max-width: 620px;
        }
        .fn-hero-badge-line {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }
        .fn-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--fn-radius-badge);
            font-size: 13px;
            font-weight: 600;
            background: rgba(14, 159, 138, 0.18);
            color: var(--fn-green);
            border: 1px solid rgba(14, 159, 138, 0.4);
        }
        .fn-hero-badge.warm {
            background: rgba(255, 90, 60, 0.18);
            color: var(--fn-orange);
            border-color: rgba(255, 90, 60, 0.4);
        }
        .fn-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.4;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        .fn-hero h1 .highlight {
            color: var(--fn-green);
        }
        .fn-hero p {
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 28px;
            max-width: 580px;
        }
        .fn-hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .fn-hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .fn-hero-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 24px 20px;
            text-align: center;
            min-width: 130px;
            backdrop-filter: blur(6px);
        }
        .fn-hero-panel .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--fn-green);
            line-height: 1.2;
        }
        .fn-hero-panel .lbl {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        @media (max-width: 991.98px) {
            .fn-hero {
                padding-top: 100px;
                padding-bottom: 32px;
                min-height: auto;
            }
            .fn-hero h1 {
                font-size: 30px;
            }
            .fn-hero p {
                font-size: 15px;
            }
            .fn-hero-visual {
                margin-top: 28px;
                justify-content: flex-start;
            }
            .fn-hero-panel {
                min-width: 100px;
                padding: 18px 14px;
            }
            .fn-hero-panel .num {
                font-size: 24px;
            }
        }
        @media (max-width: 575.98px) {
            .fn-hero h1 {
                font-size: 24px;
                line-height: 1.5;
            }
            .fn-hero p {
                font-size: 14px;
                line-height: 1.8;
            }
            .fn-hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .fn-hero-visual {
                flex-direction: column;
                align-items: stretch;
            }
        }

        /* ============ 痛点卡片 ============ */
        .fn-pain-card {
            background: #fff;
            border-radius: var(--fn-radius-card);
            padding: 26px 22px;
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            height: 100%;
            transition: var(--fn-transition);
        }
        .fn-pain-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(14, 159, 138, 0.3);
        }
        .fn-pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 90, 60, 0.1);
            color: var(--fn-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .fn-pain-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .fn-pain-card p {
            font-size: 14px;
            color: var(--fn-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ============ 解决方案 ============ */
        .fn-solution-wrap {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .fn-solution-text {
            flex: 1 1 480px;
        }
        .fn-solution-img {
            flex: 1 1 420px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--fn-shadow-hover);
        }
        .fn-solution-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }
        .fn-anchor-list {
            list-style: none;
            padding: 0;
            margin: 18px 0 0;
        }
        .fn-anchor-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 14px;
            font-size: 15px;
            line-height: 1.8;
        }
        .fn-anchor-list li .icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: rgba(14, 159, 138, 0.12);
            color: var(--fn-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ============ 流程步骤 ============ */
        .fn-steps {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            position: relative;
        }
        .fn-step-card {
            flex: 1 1 220px;
            min-width: 200px;
            background: #fff;
            border-radius: var(--fn-radius-card);
            padding: 28px 22px;
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            position: relative;
            transition: var(--fn-transition);
        }
        .fn-step-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
        }
        .fn-step-num {
            font-size: 40px;
            font-weight: 800;
            color: rgba(14, 159, 138, 0.25);
            line-height: 1;
            margin-bottom: 12px;
        }
        .fn-step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .fn-step-card p {
            font-size: 14px;
            color: var(--fn-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ============ 数据徽章 ============ */
        .fn-stats-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .fn-stat-item {
            flex: 1 1 200px;
            min-width: 180px;
            text-align: center;
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--fn-radius-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--fn-transition);
        }
        .fn-stat-item:hover {
            background: rgba(255, 255, 255, 0.09);
            transform: translateY(-2px);
        }
        .fn-stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--fn-green);
            line-height: 1.2;
        }
        .fn-stat-lbl {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ============ 证言 ============ */
        .fn-testimonial-card {
            background: #fff;
            border-radius: var(--fn-radius-card);
            padding: 28px 24px;
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            height: 100%;
            transition: var(--fn-transition);
            display: flex;
            flex-direction: column;
        }
        .fn-testimonial-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
        }
        .fn-testimonial-quote {
            font-size: 14px;
            color: var(--fn-text-muted);
            line-height: 1.8;
            flex-grow: 1;
            margin-bottom: 18px;
            font-style: italic;
        }
        .fn-testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .fn-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--fn-green), var(--fn-green-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .fn-testimonial-user .info .name {
            font-size: 15px;
            font-weight: 600;
        }
        .fn-testimonial-user .info .role {
            font-size: 13px;
            color: var(--fn-text-muted);
        }

        /* ============ 适用人群 ============ */
        .fn-persona-card {
            background: #fff;
            border-radius: var(--fn-radius-card);
            padding: 26px 22px;
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            height: 100%;
            transition: var(--fn-transition);
            text-align: center;
        }
        .fn-persona-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(14, 159, 138, 0.3);
        }
        .fn-persona-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(14, 159, 138, 0.12);
            color: var(--fn-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin: 0 auto 14px;
        }
        .fn-persona-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .fn-persona-card p {
            font-size: 13px;
            color: var(--fn-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ============ 速报 ============ */
        .fn-news-feature-card {
            border-radius: var(--fn-radius-card);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            transition: var(--fn-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .fn-news-feature-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
        }
        .fn-news-feature-card .img-wrap {
            position: relative;
        }
        .fn-news-feature-card .img-wrap img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }
        .fn-news-feature-card .img-wrap .fn-badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .fn-news-feature-card .body {
            padding: 20px 22px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .fn-news-feature-card .body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .fn-news-feature-card .body p {
            font-size: 14px;
            color: var(--fn-text-muted);
            line-height: 1.8;
            flex-grow: 1;
        }
        .fn-news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .fn-news-item {
            display: flex;
            gap: 14px;
            align-items: center;
            background: #fff;
            border-radius: var(--fn-radius-card);
            padding: 14px 18px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            border: 1px solid var(--fn-border);
            transition: var(--fn-transition);
        }
        .fn-news-item:hover {
            box-shadow: var(--fn-shadow);
            transform: translateY(-1px);
            border-color: rgba(14, 159, 138, 0.25);
        }
        .fn-news-item .time {
            font-size: 12px;
            color: var(--fn-text-muted);
            flex-shrink: 0;
            min-width: 48px;
        }
        .fn-news-item .title {
            font-size: 14px;
            font-weight: 600;
            flex-grow: 1;
            line-height: 1.5;
        }

        /* ============ 指标横幅 ============ */
        .fn-metrics-bar {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .fn-metric-chip {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 22px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--fn-radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            transition: var(--fn-transition);
        }
        .fn-metric-chip:hover {
            background: rgba(14, 159, 138, 0.16);
            border-color: rgba(14, 159, 138, 0.4);
        }
        .fn-metric-chip .icon {
            color: var(--fn-green);
            font-size: 16px;
        }

        /* ============ CTA大块 ============ */
        .fn-cta-band {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            padding: 56px 44px;
            background-image: url('/assets/images/431c88be8db56cc2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
        }
        .fn-cta-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 15, 28, 0.88) 30%, rgba(14, 159, 138, 0.55) 100%);
        }
        .fn-cta-band > * {
            position: relative;
            z-index: 2;
        }
        .fn-cta-band h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .fn-cta-band p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            max-width: 560px;
            margin-bottom: 24px;
            line-height: 1.9;
        }

        /* ============ 品牌介绍 ============ */
        .fn-brand-story {
            max-width: 820px;
            margin: 0 auto;
            font-size: 15px;
            line-height: 2;
            color: rgba(255, 255, 255, 0.82);
            text-align: left;
        }
        .fn-brand-story p {
            margin-bottom: 18px;
        }

        /* ============ 攻略卡片 ============ */
        .fn-guide-card {
            background: #fff;
            border-radius: var(--fn-radius-card);
            overflow: hidden;
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            transition: var(--fn-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .fn-guide-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(14, 159, 138, 0.3);
        }
        .fn-guide-card img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .fn-guide-card .body {
            padding: 18px 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .fn-guide-card .body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .fn-guide-card .body p {
            font-size: 13px;
            color: var(--fn-text-muted);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 0;
        }

        /* ============ 赛季倒计时 ============ */
        .fn-countdown-card {
            background: var(--fn-bg-dark-2);
            border-radius: 16px;
            padding: 40px 36px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            color: #fff;
        }
        .fn-countdown-info h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .fn-countdown-info p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 14px;
        }
        .fn-status-pill {
            display: inline-block;
            padding: 5px 16px;
            border-radius: var(--fn-radius-badge);
            background: rgba(255, 90, 60, 0.18);
            color: var(--fn-orange);
            font-size: 13px;
            font-weight: 600;
        }
        .fn-countdown-timer {
            display: flex;
            gap: 14px;
        }
        .fn-time-block {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 10px;
            padding: 14px 18px;
            text-align: center;
            min-width: 70px;
        }
        .fn-time-block .digits {
            font-size: 28px;
            font-weight: 800;
            color: var(--fn-green);
            line-height: 1.2;
            font-family: 'Courier New', monospace;
        }
        .fn-time-block .label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }
        .fn-progress-track {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            overflow: hidden;
            margin-top: 16px;
        }
        .fn-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--fn-green), var(--fn-orange));
            border-radius: 4px;
            width: 68%;
            transition: width 0.6s ease;
        }

        /* ============ 入驻板块 ============ */
        .fn-join-wrap {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            align-items: center;
        }
        .fn-join-text {
            flex: 1 1 420px;
        }
        .fn-join-form-wrap {
            flex: 1 1 380px;
            background: #fff;
            border-radius: 16px;
            padding: 32px 28px;
            box-shadow: var(--fn-shadow-hover);
            border: 1px solid var(--fn-border);
        }
        .fn-join-form .form-label {
            font-weight: 600;
            font-size: 14px;
            color: var(--fn-text-main);
        }
        .fn-join-form .form-control {
            border-radius: 8px;
            border: 1px solid rgba(26, 31, 46, 0.15);
            padding: 12px 16px;
            font-size: 14px;
            transition: var(--fn-transition);
        }
        .fn-join-form .form-control:focus {
            border-color: var(--fn-green);
            box-shadow: 0 0 0 3px rgba(14, 159, 138, 0.15);
            outline: none;
        }

        /* ============ 页脚 ============ */
        .fn-footer {
            background: var(--fn-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .fn-footer .fn-logo-text {
            margin-bottom: 12px;
        }
        .fn-footer .fn-logo-text span {
            color: var(--fn-green);
        }
        .fn-footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }
        .fn-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .fn-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .fn-footer ul li {
            margin-bottom: 10px;
        }
        .fn-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--fn-transition);
        }
        .fn-footer ul li a:hover {
            color: var(--fn-green);
        }
        .fn-footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
        }

        @media (max-width: 767.98px) {
            .fn-section {
                padding: 48px 0;
            }
            .fn-section-title {
                font-size: 24px;
            }
            .fn-section-sub {
                font-size: 14px;
                margin-bottom: 24px;
            }
            .fn-cta-band {
                padding: 32px 22px;
            }
            .fn-cta-band h2 {
                font-size: 22px;
            }
            .fn-countdown-card {
                padding: 24px 18px;
                flex-direction: column;
                align-items: stretch;
            }
            .fn-countdown-timer {
                flex-wrap: wrap;
                gap: 8px;
            }
            .fn-time-block {
                min-width: 56px;
                padding: 10px 12px;
            }
            .fn-time-block .digits {
                font-size: 20px;
            }
            .fn-join-wrap {
                gap: 24px;
            }
            .fn-footer {
                padding: 36px 0 20px;
            }
        }

        @media (max-width: 575.98px) {
            .fn-solution-wrap {
                flex-direction: column;
            }
            .fn-steps {
                flex-direction: column;
            }
            .fn-stat-item {
                min-width: 140px;
            }
            .fn-news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .fn-news-item .time {
                min-width: auto;
            }
            .fn-metrics-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .fn-metric-chip {
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --fn-green: #0E9F8A;
            --fn-green-dark: #0a7a68;
            --fn-green-light: #e7f5f2;
            --fn-orange: #FF5A3C;
            --fn-orange-dark: #e04427;
            --fn-bg-light: #F4F6FA;
            --fn-bg-dark: #0B0F1C;
            --fn-bg-dark-2: #101625;
            --fn-text-main: #1A1F2E;
            --fn-text-muted: #5C6370;
            --fn-border: rgba(26, 31, 46, 0.08);
            --fn-radius-card: 12px;
            --fn-radius-btn: 8px;
            --fn-radius-badge: 20px;
            --fn-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
            --fn-shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.16);
            --fn-transition: all 0.25s ease;
            --fn-max-width: 1140px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.9;
            color: var(--fn-text-main);
            background-color: #fff;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--fn-transition);
        }
        a:hover {
            text-decoration: none;
            color: var(--fn-green);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: var(--fn-max-width);
        }
        /* ============ 导航 ============ */
        .fn-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: var(--fn-bg-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .fn-header .navbar {
            padding: 0;
            min-height: 68px;
        }
        .fn-logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .fn-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--fn-green), #17c3a0);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .fn-logo-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }
        .fn-logo-text span {
            color: var(--fn-green);
        }
        .fn-nav .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            font-weight: 500;
            padding: 22px 16px;
            position: relative;
            transition: var(--fn-transition);
            letter-spacing: 0.5px;
        }
        .fn-nav .navbar-nav .nav-link:hover,
        .fn-nav .navbar-nav .nav-link:focus {
            color: #fff;
        }
        .fn-nav .navbar-nav .nav-link.active {
            color: var(--fn-green);
            font-weight: 600;
        }
        .fn-nav .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--fn-green);
            border-radius: 2px;
        }
        .fn-nav .navbar-nav .nav-link:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: -2px;
        }
        .fn-header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .fn-status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--fn-radius-badge);
            font-size: 13px;
            font-weight: 600;
            background: rgba(14, 159, 138, 0.15);
            color: var(--fn-green);
            border: 1px solid rgba(14, 159, 138, 0.3);
            white-space: nowrap;
        }
        .fn-status-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--fn-green);
            animation: fn-pulse 2s infinite;
        }
        @keyframes fn-pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }
        .fn-btn-header {
            background: var(--fn-orange);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            white-space: nowrap;
        }
        .fn-btn-header:hover,
        .fn-btn-header:focus {
            background: var(--fn-orange-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 90, 60, 0.3);
        }
        .fn-btn-header:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }
        .fn-navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
        }
        .fn-navbar-toggler .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .fn-header .navbar {
            min-height: auto;
            padding: 12px 0;
        }
        .fn-nav .navbar-nav .nav-link {
            padding: 12px 4px;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
        }
        .fn-nav .navbar-nav .nav-link.active::after {
            display: none;
        }
        .fn-nav .navbar-nav .nav-link.active {
            background: rgba(14, 159, 138, 0.12);
            border-radius: 8px;
            padding-left: 12px;
        }
        /* ============ 通用按钮 ============ */
        .fn-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--fn-green);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: var(--fn-transition);
            cursor: pointer;
        }
        .fn-btn-primary:hover,
        .fn-btn-primary:focus {
            background: var(--fn-orange);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 90, 60, 0.3);
        }
        .fn-btn-primary:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }
        .fn-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--fn-green);
            border: 1px solid var(--fn-green);
            border-radius: var(--fn-radius-btn);
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: var(--fn-transition);
            cursor: pointer;
        }
        .fn-btn-outline:hover,
        .fn-btn-outline:focus {
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            border-color: var(--fn-green-dark);
        }
        .fn-btn-outline:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }
        .fn-btn-orange {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--fn-orange);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 12px 30px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: var(--fn-transition);
            cursor: pointer;
        }
        .fn-btn-orange:hover,
        .fn-btn-orange:focus {
            background: var(--fn-orange-dark);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 90, 60, 0.3);
        }
        .fn-btn-orange:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }
        /* ============ 面包屑 ============ */
        .fn-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--fn-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .fn-breadcrumb a {
            color: var(--fn-text-muted);
        }
        .fn-breadcrumb a:hover {
            color: var(--fn-green);
        }
        .fn-breadcrumb .sep {
            color: var(--fn-border);
        }
        .fn-breadcrumb .current {
            color: var(--fn-text-main);
            font-weight: 600;
        }
        /* ============ 分类页头 ============ */
        .fn-cat-header {
            padding: 120px 0 40px;
            background: var(--fn-bg-light);
            border-bottom: 1px solid var(--fn-border);
        }
        .fn-cat-header h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--fn-text-main);
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .fn-cat-header .fn-cat-sub {
            font-size: 17px;
            color: var(--fn-text-muted);
            max-width: 720px;
        }
        /* ============ 板块通用 ============ */
        .fn-section {
            padding: 64px 0;
        }
        .fn-section-sm {
            padding: 48px 0;
        }
        .fn-section-dark {
            background: var(--fn-bg-dark);
            color: #fff;
        }
        .fn-section-light {
            background: var(--fn-bg-light);
        }
        .fn-section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--fn-text-main);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .fn-section-desc {
            font-size: 16px;
            color: var(--fn-text-muted);
            max-width: 680px;
            margin-bottom: 28px;
        }
        .fn-section-dark .fn-section-title {
            color: #fff;
        }
        .fn-section-dark .fn-section-desc {
            color: rgba(255, 255, 255, 0.7);
        }
        /* ============ 难度筛选标签 ============ */
        .fn-filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .fn-filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: var(--fn-radius-badge);
            font-size: 14px;
            font-weight: 600;
            background: #fff;
            border: 1px solid var(--fn-border);
            color: var(--fn-text-muted);
            transition: var(--fn-transition);
            cursor: pointer;
            user-select: none;
        }
        .fn-filter-tag:hover,
        .fn-filter-tag:focus {
            border-color: var(--fn-green);
            color: var(--fn-green);
            background: var(--fn-green-light);
        }
        .fn-filter-tag.active {
            background: var(--fn-green);
            color: #fff;
            border-color: var(--fn-green);
            box-shadow: 0 4px 12px rgba(14, 159, 138, 0.3);
        }
        .fn-filter-tag:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }
        /* ============ 攻略卡片 ============ */
        .fn-grid {
            display: grid;
            gap: 24px;
        }
        .fn-grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .fn-grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .fn-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .fn-card {
            background: #fff;
            border-radius: var(--fn-radius-card);
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            overflow: hidden;
            transition: var(--fn-transition);
            display: flex;
            flex-direction: column;
        }
        .fn-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--fn-shadow-hover);
            border-color: var(--fn-green);
        }
        .fn-card .fn-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e9ecf0;
            position: relative;
        }
        .fn-card .fn-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .fn-card:hover .fn-card-img img {
            transform: scale(1.04);
        }
        .fn-card .fn-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--fn-radius-badge);
            font-size: 12px;
            font-weight: 600;
            background: rgba(11, 15, 28, 0.85);
            color: #fff;
            z-index: 2;
        }
        .fn-card .fn-card-badge.hot {
            background: var(--fn-orange);
        }
        .fn-card .fn-card-badge.new {
            background: var(--fn-green);
        }
        .fn-card .fn-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .fn-card .fn-card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.5;
            color: var(--fn-text-main);
        }
        .fn-card .fn-card-excerpt {
            font-size: 14px;
            color: var(--fn-text-muted);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 12px;
        }
        .fn-card .fn-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--fn-text-muted);
            border-top: 1px solid var(--fn-border);
            padding-top: 12px;
        }
        .fn-card .fn-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        /* ============ 编辑推荐横条 ============ */
        .fn-editor-pick {
            background: linear-gradient(135deg, var(--fn-bg-dark), var(--fn-bg-dark-2));
            border-radius: var(--fn-radius-card);
            padding: 28px;
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 0;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .fn-editor-pick .fn-editor-img {
            flex: 0 0 320px;
            min-height: 210px;
            overflow: hidden;
        }
        .fn-editor-pick .fn-editor-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .fn-editor-pick .fn-editor-content {
            flex: 1;
            padding: 28px 32px 28px 0;
        }
        .fn-editor-pick .fn-editor-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 90, 60, 0.15);
            color: var(--fn-orange);
            padding: 4px 14px;
            border-radius: var(--fn-radius-badge);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .fn-editor-pick h3 {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .fn-editor-pick p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            margin-bottom: 14px;
            line-height: 1.8;
        }
        /* ============ 攻略合辑 ============ */
        .fn-collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .fn-collection-card {
            background: #fff;
            border-radius: var(--fn-radius-card);
            padding: 24px;
            border: 1px solid var(--fn-border);
            box-shadow: var(--fn-shadow);
            transition: var(--fn-transition);
            position: relative;
            overflow: hidden;
        }
        .fn-collection-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--fn-green);
            opacity: 0;
            transition: var(--fn-transition);
        }
        .fn-collection-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--fn-shadow-hover);
            border-color: var(--fn-green);
        }
        .fn-collection-card:hover::before {
            opacity: 1;
        }
        .fn-collection-card .fn-collection-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--fn-green-light);
            color: var(--fn-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .fn-collection-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--fn-text-main);
        }
        .fn-collection-card p {
            font-size: 14px;
            color: var(--fn-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ============ 段位图 ============ */
        .fn-rank-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
        }
        .fn-rank-flow::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--fn-border);
        }
        .fn-rank-step {
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .fn-rank-step .fn-rank-dot {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--fn-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 28px;
            color: var(--fn-green);
            transition: var(--fn-transition);
        }
        .fn-rank-step:hover .fn-rank-dot {
            border-color: var(--fn-green);
            box-shadow: 0 8px 20px rgba(14, 159, 138, 0.25);
        }
        .fn-rank-step .fn-rank-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--fn-text-main);
            margin-bottom: 4px;
        }
        .fn-rank-step .fn-rank-desc {
            font-size: 13px;
            color: var(--fn-text-muted);
            line-height: 1.7;
        }
        /* ============ 表单 ============ */
        .fn-form-card {
            background: #fff;
            border-radius: var(--fn-radius-card);
            padding: 32px;
            border: 1px solid var(--fn-border);
            box-shadow: var(--fn-shadow);
        }
        .fn-form-card .form-label {
            font-weight: 600;
            font-size: 15px;
            color: var(--fn-text-main);
        }
        .fn-form-card .form-control {
            border-radius: var(--fn-radius-btn);
            border: 1px solid var(--fn-border);
            padding: 12px 16px;
            font-size: 15px;
            transition: var(--fn-transition);
            background: #fafbfc;
        }
        .fn-form-card .form-control:focus {
            border-color: var(--fn-green);
            box-shadow: 0 0 0 3px rgba(14, 159, 138, 0.15);
            background: #fff;
        }
        /* ============ 页脚 ============ */
        .fn-footer {
            background: var(--fn-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .fn-footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .fn-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .fn-footer ul li {
            margin-bottom: 8px;
        }
        .fn-footer ul li a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--fn-transition);
        }
        .fn-footer ul li a:hover {
            color: var(--fn-green);
        }
        .fn-footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }
        .fn-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        /* ============ 响应式 ============ */
        @media (max-width: 991.98px) {
            .fn-header .navbar-collapse {
                background: var(--fn-bg-dark);
                border-radius: 12px;
                padding: 16px;
                margin-top: 8px;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }
            .fn-header-right {
                flex-wrap: wrap;
                padding-top: 10px;
            }
            .fn-nav .navbar-nav .nav-link {
                padding: 10px 4px;
            }
            .fn-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .fn-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .fn-collection-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .fn-rank-flow {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .fn-rank-flow::before {
                display: none;
            }
            .fn-editor-pick {
                flex-direction: column;
            }
            .fn-editor-pick .fn-editor-img {
                flex: none;
                width: 100%;
                min-height: 200px;
            }
            .fn-editor-pick .fn-editor-content {
                padding: 24px;
            }
        }
        @media (max-width: 767.98px) {
            .fn-cat-header {
                padding: 100px 0 28px;
            }
            .fn-cat-header h1 {
                font-size: 28px;
            }
            .fn-section {
                padding: 40px 0;
            }
            .fn-section-title {
                font-size: 22px;
            }
            .fn-grid-2,
            .fn-grid-3 {
                grid-template-columns: 1fr;
            }
            .fn-grid-4 {
                grid-template-columns: 1fr;
            }
            .fn-collection-grid {
                grid-template-columns: 1fr;
            }
            .fn-rank-flow {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .fn-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .fn-btn-primary,
            .fn-btn-orange,
            .fn-btn-outline {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 575.98px) {
            body {
                font-size: 15px;
            }
            .fn-logo-text {
                font-size: 18px;
            }
            .fn-status-badge {
                display: none;
            }
            .fn-btn-header {
                padding: 8px 14px;
                font-size: 14px;
            }
        }

/* roulang page: category1 */
:root {
            --fn-green: #0E9F8A;
            --fn-green-dark: #0a7a68;
            --fn-green-light: #e7f5f2;
            --fn-orange: #FF5A3C;
            --fn-orange-dark: #e04427;
            --fn-bg-light: #F4F6FA;
            --fn-bg-dark: #0B0F1C;
            --fn-bg-dark-2: #101625;
            --fn-text-main: #1A1F2E;
            --fn-text-muted: #5C6370;
            --fn-border: rgba(26, 31, 46, 0.08);
            --fn-radius-card: 12px;
            --fn-radius-btn: 8px;
            --fn-radius-badge: 20px;
            --fn-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
            --fn-shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.16);
            --fn-transition: all 0.25s ease;
            --fn-max-width: 1140px;
        }

        /* roulang page: match-center */
        :root {
            --fn-green: #0E9F8A;
            --fn-green-dark: #0a7a68;
            --fn-green-light: #e7f5f2;
            --fn-orange: #FF5A3C;
            --fn-orange-dark: #e04427;
            --fn-bg-light: #F4F6FA;
            --fn-bg-dark: #0B0F1C;
            --fn-bg-dark-2: #101625;
            --fn-text-main: #1A1F2E;
            --fn-text-muted: #5C6370;
            --fn-border: rgba(26, 31, 46, 0.08);
            --fn-radius-card: 12px;
            --fn-radius-btn: 8px;
            --fn-radius-badge: 20px;
            --fn-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
            --fn-shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.16);
            --fn-transition: all 0.25s ease;
            --fn-max-width: 1140px;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.9;
            color: var(--fn-text-main);
            background-color: #fff;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        a:hover {
            text-decoration: none;
            color: var(--fn-green);
        }

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

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

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

        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: var(--fn-max-width);
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ============ 导航 ============ */
        .fn-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: var(--fn-bg-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .fn-header .navbar {
            padding: 0;
            min-height: 68px;
        }

        .fn-logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
        }

        .fn-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--fn-green), #17c3a0);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .fn-logo-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .fn-logo-text span {
            color: var(--fn-green);
        }

        .fn-nav .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            font-weight: 500;
            padding: 22px 16px;
            position: relative;
            transition: var(--fn-transition);
            letter-spacing: 0.5px;
        }

        .fn-nav .navbar-nav .nav-link:hover,
        .fn-nav .navbar-nav .nav-link:focus {
            color: #fff;
        }

        .fn-nav .navbar-nav .nav-link.active {
            color: var(--fn-green);
            font-weight: 600;
        }

        .fn-nav .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--fn-green);
            border-radius: 2px;
        }

        .fn-header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .fn-status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--fn-radius-badge);
            font-size: 13px;
            font-weight: 600;
            background: rgba(14, 159, 138, 0.15);
            color: var(--fn-green);
            border: 1px solid rgba(14, 159, 138, 0.3);
            white-space: nowrap;
        }

        .fn-status-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--fn-green);
            animation: fn-pulse 2s infinite;
        }

        @keyframes fn-pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .fn-btn-header {
            background: var(--fn-orange);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            white-space: nowrap;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .fn-btn-header:hover,
        .fn-btn-header:focus {
            background: var(--fn-orange-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 90, 60, 0.3);
        }

        .fn-navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
            box-shadow: none;
        }

        .fn-navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--fn-green);
            outline-offset: 2px;
        }

        .fn-navbar-toggler .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ============ 按钮系统 ============ */
        .fn-btn-primary {
            background: var(--fn-green);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .fn-btn-primary:hover,
        .fn-btn-primary:focus {
            background: var(--fn-orange);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 90, 60, 0.3);
            transform: translateY(-1px);
        }

        .fn-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 90, 60, 0.2);
        }

        .fn-btn-outline {
            background: transparent;
            color: var(--fn-green);
            border: 1.5px solid var(--fn-green);
            border-radius: var(--fn-radius-btn);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .fn-btn-outline:active {
            transform: translateY(0);
        }

        .fn-btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        /* ============ 徽章与标签 ============ */
        .fn-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            border-radius: var(--fn-radius-badge);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .fn-badge-green {
            background: rgba(14, 159, 138, 0.12);
            color: var(--fn-green);
            border: 1px solid rgba(14, 159, 138, 0.25);
        }

        .fn-badge-orange {
            background: rgba(255, 90, 60, 0.12);
            color: var(--fn-orange);
            border: 1px solid rgba(255, 90, 60, 0.25);
        }

        .fn-badge-gray {
            background: rgba(92, 99, 112, 0.12);
            color: var(--fn-text-muted);
            border: 1px solid rgba(92, 99, 112, 0.2);
        }

        .fn-badge-dark {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* ============ 卡片系统 ============ */
        .fn-card {
            background: #fff;
            border-radius: var(--fn-radius-card);
            box-shadow: var(--fn-shadow);
            overflow: hidden;
            transition: var(--fn-transition);
            border: 1px solid var(--fn-border);
        }

        .fn-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(14, 159, 138, 0.35);
        }

        .fn-card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: var(--fn-bg-light);
        }

        .fn-card-body {
            padding: 20px 22px;
        }

        .fn-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--fn-text-main);
            margin: 0 0 8px;
            line-height: 1.4;
            letter-spacing: 0.3px;
        }

        .fn-card-text {
            font-size: 14px;
            color: var(--fn-text-muted);
            line-height: 1.8;
            margin: 0;
        }

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

        /* ============ 板块通用 ============ */
        .fn-section {
            padding: 72px 0;
            position: relative;
        }

        .fn-section-sm {
            padding: 48px 0;
        }

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

        .fn-section-light {
            background: var(--fn-bg-light);
        }

        .fn-section-white {
            background: #fff;
        }

        .fn-section-dark-2 {
            background: var(--fn-bg-dark-2);
            color: #fff;
        }

        .fn-section-title {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 1px;
            color: inherit;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .fn-section-subtitle {
            font-size: 16px;
            color: var(--fn-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .fn-section-dark .fn-section-title {
            color: #fff;
        }

        .fn-section-dark .fn-section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

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

        /* ============ 面包屑 ============ */
        .fn-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 12px;
            padding: 0;
            background: transparent;
        }

        .fn-breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
            transition: var(--fn-transition);
        }

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

        .fn-breadcrumb .separator {
            color: rgba(255, 255, 255, 0.35);
            font-size: 12px;
        }

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

        /* ============ 分类页头 ============ */
        .fn-page-header {
            position: relative;
            background: var(--fn-bg-dark);
            background-image: linear-gradient(135deg, rgba(11, 15, 28, 0.92) 0%, rgba(11, 15, 28, 0.75) 100%), url('/assets/images/0bd32bcb39dbf81b.webp');
            background-size: cover;
            background-position: center;
            padding: 120px 0 56px;
            color: #fff;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .fn-page-header h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: 1px;
            color: #fff;
            margin: 8px 0 12px;
            line-height: 1.3;
        }

        .fn-page-header .fn-page-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            max-width: 640px;
            margin: 0;
        }

        /* ============ 筛选工具条 ============ */
        .fn-filter-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 16px 20px;
            background: #fff;
            border-radius: var(--fn-radius-card);
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            margin-top: -28px;
            position: relative;
            z-index: 5;
        }

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

        .fn-filter-tag {
            padding: 6px 16px;
            border-radius: var(--fn-radius-badge);
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--fn-border);
            background: var(--fn-bg-light);
            color: var(--fn-text-muted);
            cursor: pointer;
            transition: var(--fn-transition);
            white-space: nowrap;
            user-select: none;
        }

        .fn-filter-tag:hover {
            border-color: var(--fn-green);
            color: var(--fn-green);
            background: var(--fn-green-light);
        }

        .fn-filter-tag.active {
            background: var(--fn-green);
            color: #fff;
            border-color: var(--fn-green);
        }

        .fn-filter-tag:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 2px;
        }

        /* ============ 赛事卡片 ============ */
        .fn-match-card {
            position: relative;
        }

        .fn-match-card .fn-card-img-wrap {
            position: relative;
            overflow: hidden;
        }

        .fn-match-card .fn-card-img {
            aspect-ratio: 16 / 9;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .fn-match-card .fn-match-status {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }

        .fn-match-card .fn-match-live {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
            background: var(--fn-orange);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--fn-radius-badge);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .fn-match-card .fn-match-live .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: fn-pulse 1.5s infinite;
        }

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

        .fn-match-card .fn-match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--fn-text-main);
            margin-bottom: 10px;
        }

        .fn-match-card .fn-match-vs {
            color: var(--fn-text-muted);
            font-weight: 500;
            font-size: 13px;
            white-space: nowrap;
        }

        .fn-match-card .fn-match-info {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--fn-text-muted);
        }

        /* ============ 日历/倒计时条 ============ */
        .fn-calendar-strip {
            background: var(--fn-bg-dark-2);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--fn-radius-card);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }

        .fn-calendar-item {
            flex: 1;
            min-width: 140px;
            text-align: center;
            position: relative;
        }

        .fn-calendar-item+.fn-calendar-item::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
        }

        .fn-calendar-day {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 4px;
            font-weight: 500;
        }

        .fn-calendar-date {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .fn-calendar-count {
            font-size: 13px;
            color: var(--fn-green);
            font-weight: 600;
            margin-top: 2px;
        }

        .fn-calendar-divider {
            width: 1px;
            height: 48px;
            background: rgba(255, 255, 255, 0.12);
            flex-shrink: 0;
        }

        /* ============ 横向滚动 ============ */
        .fn-scroll-row {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .fn-scroll-row::-webkit-scrollbar {
            height: 4px;
        }

        .fn-scroll-row::-webkit-scrollbar-track {
            background: var(--fn-border);
            border-radius: 2px;
        }

        .fn-scroll-row::-webkit-scrollbar-thumb {
            background: var(--fn-green);
            border-radius: 2px;
        }

        .fn-scroll-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: #fff;
            border-radius: var(--fn-radius-card);
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            overflow: hidden;
            transition: var(--fn-transition);
        }

        .fn-scroll-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(14, 159, 138, 0.35);
        }

        .fn-scroll-card .fn-card-img {
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .fn-scroll-card .fn-card-body {
            padding: 14px 16px;
        }

        .fn-scroll-card .fn-team-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--fn-text-main);
            margin-bottom: 6px;
        }

        .fn-scroll-card .fn-team-stat {
            font-size: 13px;
            color: var(--fn-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        /* ============ 数据条 ============ */
        .fn-data-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
            padding: 28px 32px;
            background: var(--fn-bg-dark-2);
            border-radius: var(--fn-radius-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .fn-data-item {
            flex: 1;
            min-width: 120px;
            text-align: center;
        }

        .fn-data-item-icon {
            font-size: 24px;
            color: var(--fn-green);
            margin-bottom: 8px;
        }

        .fn-data-item-num {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .fn-data-item-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ============ FAQ ============ */
        .fn-accordion .accordion-item {
            border: 1px solid var(--fn-border);
            border-radius: var(--fn-radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            transition: var(--fn-transition);
        }

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

        .fn-accordion .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--fn-text-main);
            padding: 18px 22px;
            background: #fff;
            border: none;
            box-shadow: none;
            letter-spacing: 0.3px;
            transition: var(--fn-transition);
        }

        .fn-accordion .accordion-button:not(.collapsed) {
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            box-shadow: none;
        }

        .fn-accordion .accordion-button:focus {
            box-shadow: none;
            border: none;
            outline: 2px solid var(--fn-green);
            outline-offset: -2px;
        }

        .fn-accordion .accordion-button::after {
            background-size: 14px;
            transition: var(--fn-transition);
        }

        .fn-accordion .accordion-body {
            font-size: 14px;
            color: var(--fn-text-muted);
            line-height: 1.8;
            padding: 0 22px 18px;
            background: #fff;
        }

        /* ============ 页脚 ============ */
        .fn-footer {
            background: var(--fn-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
        }

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

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

        .fn-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--fn-transition);
        }

        .fn-footer ul li a:hover {
            color: var(--fn-green);
        }

        .fn-footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
            margin-top: 12px;
        }

        .fn-footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ============ 其他工具 ============ */
        .fn-divider {
            width: 60px;
            height: 3px;
            background: var(--fn-green);
            border-radius: 3px;
            margin-bottom: 16px;
        }

        .fn-divider-center {
            margin-left: auto;
            margin-right: auto;
        }

        .fn-text-green {
            color: var(--fn-green);
        }

        .fn-text-orange {
            color: var(--fn-orange);
        }

        .fn-mt-0 {
            margin-top: 0;
        }
        .fn-mb-0 {
            margin-bottom: 0;
        }
        .fn-mb-2 {
            margin-bottom: 8px;
        }
        .fn-mb-3 {
            margin-bottom: 16px;
        }
        .fn-mb-4 {
            margin-bottom: 24px;
        }
        .fn-mb-5 {
            margin-bottom: 32px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1199.98px) {
            .fn-section {
                padding: 64px 0;
            }
            .fn-page-header {
                padding: 108px 0 48px;
            }
            .fn-page-header h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 991.98px) {
            .fn-header .navbar {
                min-height: auto;
                padding: 12px 0;
            }

            .fn-nav .navbar-nav .nav-link {
                padding: 12px 4px;
                font-size: 16px;
                color: rgba(255, 255, 255, 0.85);
            }

            .fn-nav .navbar-nav .nav-link.active::after {
                display: none;
            }

            .fn-nav .navbar-nav .nav-link.active {
                background: rgba(14, 159, 138, 0.12);
                border-radius: 8px;
                padding-left: 12px;
                padding-right: 12px;
            }

            .fn-header-right {
                gap: 8px;
            }

            .fn-status-badge {
                font-size: 12px;
                padding: 4px 10px;
            }

            .fn-btn-header {
                padding: 8px 16px;
                font-size: 14px;
            }

            .fn-collapse {
                background: var(--fn-bg-dark);
                border-radius: 0 0 12px 12px;
                padding: 8px 16px 16px;
                margin-top: 8px;
            }

            .fn-section {
                padding: 56px 0;
            }

            .fn-page-header {
                padding: 96px 0 40px;
            }

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

            .fn-section-title {
                font-size: 24px;
            }

            .fn-calendar-strip {
                padding: 20px 16px;
                gap: 16px;
            }

            .fn-calendar-item+.fn-calendar-item::before {
                display: none;
            }

            .fn-data-bar {
                padding: 20px 16px;
                gap: 16px;
            }

            .fn-data-item-num {
                font-size: 22px;
            }
        }

        @media (max-width: 767.98px) {
            .fn-section {
                padding: 48px 0;
            }

            .fn-page-header {
                padding: 88px 0 36px;
                background-position: 60% center;
            }

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

            .fn-page-header .fn-page-desc {
                font-size: 14px;
                line-height: 1.7;
            }

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

            .fn-filter-bar {
                padding: 12px 14px;
                gap: 8px;
                margin-top: -20px;
            }

            .fn-filter-tag {
                padding: 5px 12px;
                font-size: 12px;
            }

            .fn-card-title {
                font-size: 16px;
            }

            .fn-calendar-item {
                min-width: 100px;
                flex: 1 1 40%;
            }

            .fn-calendar-date {
                font-size: 18px;
            }

            .fn-data-item {
                min-width: 90px;
                flex: 1 1 40%;
            }

            .fn-data-item-num {
                font-size: 20px;
            }

            .fn-scroll-card {
                flex: 0 0 220px;
            }

            .fn-footer {
                padding: 40px 0 0;
            }

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

            .fn-card-body {
                padding: 16px;
            }

            .fn-match-teams {
                font-size: 14px;
            }
        }

        @media (max-width: 575.98px) {
            .fn-header .navbar {
                padding: 8px 0;
            }

            .fn-logo-text {
                font-size: 18px;
            }

            .fn-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 6px;
            }

            .fn-status-badge {
                display: none;
            }

            .fn-btn-header {
                padding: 7px 12px;
                font-size: 13px;
            }

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

            .fn-page-header {
                padding: 80px 0 32px;
            }

            .fn-page-header h1 {
                font-size: 22px;
                letter-spacing: 0.5px;
            }

            .fn-section-title {
                font-size: 20px;
            }

            .fn-btn-primary,
            .fn-btn-outline {
                padding: 10px 20px;
                font-size: 14px;
            }

            .fn-calendar-item {
                flex: 1 1 100%;
                min-width: 100%;
            }

            .fn-data-item {
                flex: 1 1 100%;
                min-width: 100%;
            }

            .fn-scroll-card {
                flex: 0 0 200px;
            }

            .fn-container-narrow {
                padding-left: 12px;
                padding-right: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --fn-green: #0E9F8A;
            --fn-green-dark: #0a7a68;
            --fn-green-light: #e7f5f2;
            --fn-orange: #FF5A3C;
            --fn-orange-dark: #e04427;
            --fn-bg-light: #F4F6FA;
            --fn-bg-dark: #0B0F1C;
            --fn-bg-dark-2: #101625;
            --fn-text-main: #1A1F2E;
            --fn-text-muted: #5C6370;
            --fn-border: rgba(26, 31, 46, 0.08);
            --fn-radius-card: 12px;
            --fn-radius-btn: 8px;
            --fn-radius-badge: 20px;
            --fn-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
            --fn-shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.16);
            --fn-transition: all 0.25s ease;
            --fn-max-width: 1140px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.9;
            color: var(--fn-text-main);
            background-color: #fff;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 68px;
        }

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

        a:hover {
            text-decoration: none;
            color: var(--fn-green);
        }

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

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

        .container {
            max-width: var(--fn-max-width);
        }

        /* ============ 导航 ============ */
        .fn-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: var(--fn-bg-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .fn-header .navbar {
            padding: 0;
            min-height: 68px;
        }

        .fn-header .navbar {
            min-height: auto;
            padding: 12px 0;
        }

        .fn-logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .fn-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--fn-green), #17c3a0);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .fn-logo-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .fn-logo-text span {
            color: var(--fn-green);
        }

        .fn-nav .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            font-weight: 500;
            padding: 12px 4px;
            position: relative;
            transition: var(--fn-transition);
            letter-spacing: 0.5px;
        }

        .fn-nav .navbar-nav .nav-link:hover,
        .fn-nav .navbar-nav .nav-link:focus {
            color: #fff;
        }

        .fn-nav .navbar-nav .nav-link.active {
            color: var(--fn-green);
            font-weight: 600;
            background: rgba(14, 159, 138, 0.12);
            border-radius: 8px;
            padding-left: 12px;
            padding-right: 12px;
        }

        .fn-nav .navbar-nav .nav-link:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: -2px;
        }

        .fn-header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .fn-status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--fn-radius-badge);
            font-size: 13px;
            font-weight: 600;
            background: rgba(14, 159, 138, 0.15);
            color: var(--fn-green);
            border: 1px solid rgba(14, 159, 138, 0.3);
            white-space: nowrap;
        }

        .fn-status-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--fn-green);
            animation: fn-pulse 2s infinite;
        }

        @keyframes fn-pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .fn-btn-header {
            background: var(--fn-orange);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            white-space: nowrap;
            display: inline-block;
        }

        .fn-btn-header:hover,
        .fn-btn-header:focus {
            background: var(--fn-orange-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 90, 60, 0.3);
        }

        .fn-btn-header:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }

        .fn-navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
        }

        .fn-navbar-toggler .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ============ 面包屑页头 ============ */
        .fn-page-header {
            background: var(--fn-bg-light);
            padding: 42px 0 30px;
            border-bottom: 1px solid var(--fn-border);
        }

        .fn-breadcrumb {
            margin: 0 0 14px;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--fn-text-muted);
        }

        .fn-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .fn-breadcrumb li+li::before {
            content: '/';
            color: rgba(26, 31, 46, 0.35);
            font-size: 13px;
        }

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

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

        .fn-breadcrumb .active {
            color: var(--fn-text-main);
            font-weight: 600;
        }

        .fn-page-header h1 {
            font-size: 34px;
            font-weight: 800;
            color: var(--fn-text-main);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .fn-page-header .fn-sub-title {
            font-size: 16px;
            color: var(--fn-text-muted);
            max-width: 720px;
            line-height: 1.9;
            margin-bottom: 0;
        }

        /* ============ 通用板块 ============ */
        .fn-section {
            padding: 56px 0;
        }

        .fn-section-light {
            background: var(--fn-bg-light);
        }

        .fn-section-white {
            background: #fff;
        }

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

        .fn-section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--fn-text-main);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .fn-section-dark .fn-section-title {
            color: #fff;
        }

        .fn-section-lead {
            font-size: 16px;
            color: var(--fn-text-muted);
            margin-bottom: 32px;
            line-height: 1.9;
        }

        .fn-section-dark .fn-section-lead {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ============ 按钮 ============ */
        .fn-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--fn-green);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            cursor: pointer;
        }

        .fn-btn-primary:hover,
        .fn-btn-primary:focus {
            background: var(--fn-orange);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 90, 60, 0.3);
        }

        .fn-btn-primary:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }

        .fn-btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--fn-green);
            border: 1px solid var(--fn-green);
            border-radius: var(--fn-radius-btn);
            padding: 11px 26px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            cursor: pointer;
        }

        .fn-btn-secondary:hover,
        .fn-btn-secondary:focus {
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            border-color: var(--fn-green-dark);
        }

        .fn-btn-secondary:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }

        .fn-btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        /* ============ 搜索筛选区 ============ */
        .fn-filter-panel {
            background: #fff;
            border-radius: var(--fn-radius-card);
            padding: 24px 28px;
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
        }

        .fn-filter-panel .form-control,
        .fn-filter-panel .form-select {
            border: 1px solid rgba(26, 31, 46, 0.15);
            border-radius: 8px;
            padding: 10px 16px;
            font-size: 15px;
            color: var(--fn-text-main);
            background: #fff;
            transition: var(--fn-transition);
            min-height: 46px;
        }

        .fn-filter-panel .form-control:focus,
        .fn-filter-panel .form-select:focus {
            border-color: var(--fn-green);
            box-shadow: 0 0 0 3px rgba(14, 159, 138, 0.15);
            outline: none;
        }

        .fn-filter-panel .form-control::placeholder {
            color: rgba(92, 99, 112, 0.6);
        }

        .fn-filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--fn-text-main);
            margin-bottom: 6px;
        }

        /* ============ 战队档案卡片 ============ */
        .fn-team-card {
            background: #fff;
            border-radius: var(--fn-radius-card);
            overflow: hidden;
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            transition: var(--fn-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .fn-team-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
            border-color: var(--fn-green);
        }

        .fn-team-card .fn-team-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #e9edf5;
        }

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

        .fn-team-card:hover .fn-team-cover img {
            transform: scale(1.04);
        }

        .fn-team-card .fn-team-cover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.55), transparent);
            pointer-events: none;
        }

        .fn-team-card .fn-team-cover .fn-team-rank {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
            background: var(--fn-orange);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--fn-radius-badge);
            letter-spacing: 0.5px;
        }

        .fn-team-card .fn-team-cover .fn-team-name-overlay {
            position: absolute;
            bottom: 14px;
            left: 16px;
            z-index: 2;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }

        .fn-team-card .fn-team-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .fn-team-card .fn-team-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }

        .fn-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--fn-radius-badge);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: var(--fn-transition);
        }

        .fn-badge-green {
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            border: 1px solid rgba(14, 159, 138, 0.25);
        }

        .fn-badge-orange {
            background: rgba(255, 90, 60, 0.12);
            color: var(--fn-orange-dark);
            border: 1px solid rgba(255, 90, 60, 0.25);
        }

        .fn-badge-gray {
            background: #f0f2f6;
            color: var(--fn-text-muted);
            border: 1px solid rgba(26, 31, 46, 0.08);
        }

        .fn-team-card .fn-team-stats {
            display: flex;
            gap: 16px;
            padding: 14px 0;
            border-top: 1px solid var(--fn-border);
            border-bottom: 1px solid var(--fn-border);
            margin-bottom: 14px;
        }

        .fn-team-card .fn-stat-item {
            text-align: center;
            flex: 1;
        }

        .fn-team-card .fn-stat-value {
            font-size: 20px;
            font-weight: 800;
            color: var(--fn-text-main);
            line-height: 1.3;
        }

        .fn-team-card .fn-stat-label {
            font-size: 12px;
            color: var(--fn-text-muted);
            letter-spacing: 0.3px;
        }

        .fn-team-card .fn-team-desc {
            font-size: 14px;
            color: var(--fn-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
        }

        .fn-team-card .fn-team-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--fn-green);
            font-weight: 600;
            font-size: 14px;
            transition: var(--fn-transition);
        }

        .fn-team-card .fn-team-link:hover {
            color: var(--fn-orange);
            gap: 10px;
        }

        .fn-team-card .fn-team-link:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ============ 成员展示墙 ============ */
        .fn-member-card {
            text-align: center;
            padding: 28px 18px 24px;
            background: #fff;
            border-radius: var(--fn-radius-card);
            box-shadow: var(--fn-shadow);
            border: 1px solid var(--fn-border);
            transition: var(--fn-transition);
            height: 100%;
        }

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

        .fn-member-card .fn-avatar {
            width: 84px;
            height: 84px;
            border-radius: 50%;
            margin: 0 auto 14px;
            overflow: hidden;
            border: 3px solid var(--fn-green);
            box-shadow: 0 4px 14px rgba(14, 159, 138, 0.25);
        }

        .fn-member-card .fn-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .fn-member-card .fn-member-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--fn-text-main);
            margin-bottom: 2px;
        }

        .fn-member-card .fn-member-role {
            font-size: 13px;
            color: var(--fn-green);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .fn-member-card .fn-member-team {
            font-size: 12px;
            color: var(--fn-text-muted);
        }

        /* ============ 荣誉时间线 ============ */
        .fn-timeline {
            position: relative;
            padding-left: 30px;
            list-style: none;
            margin: 0;
        }

        .fn-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: rgba(14, 159, 138, 0.45);
            border-radius: 2px;
        }

        .fn-timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 20px;
        }

        .fn-timeline-item:last-child {
            margin-bottom: 0;
        }

        .fn-timeline-item::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 8px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--fn-orange);
            border: 3px solid var(--fn-bg-dark);
            box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.3);
        }

        .fn-timeline-item .fn-timeline-year {
            font-size: 14px;
            font-weight: 700;
            color: var(--fn-orange);
            letter-spacing: 1px;
            margin-bottom: 4px;
        }

        .fn-timeline-item .fn-timeline-title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .fn-timeline-item .fn-timeline-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
        }

        /* ============ 招募公告条 ============ */
        .fn-recruit-banner {
            background: var(--fn-bg-dark);
            border-radius: var(--fn-radius-card);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(14, 159, 138, 0.3);
        }

        .fn-recruit-banner::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 60%;
            height: 220%;
            background: radial-gradient(circle, rgba(14, 159, 138, 0.25), transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .fn-recruit-banner .fn-recruit-title {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .fn-recruit-banner .fn-recruit-text {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.9;
            margin-bottom: 22px;
            max-width: 560px;
        }

        .fn-recruit-banner .fn-btn-primary {
            background: var(--fn-orange);
        }

        .fn-recruit-banner .fn-btn-primary:hover,
        .fn-recruit-banner .fn-btn-primary:focus {
            background: var(--fn-orange-dark);
            box-shadow: 0 8px 20px rgba(255, 90, 60, 0.4);
        }

        /* ============ 查看更多区块 ============ */
        .fn-more-section {
            text-align: center;
            padding: 40px 0 56px;
            background: var(--fn-bg-light);
        }

        /* ============ 页脚 ============ */
        .fn-footer {
            background: var(--fn-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .fn-footer .fn-footer-desc {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 12px;
            max-width: 340px;
        }

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

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

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

        .fn-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--fn-transition);
        }

        .fn-footer ul li a:hover {
            color: var(--fn-green);
        }

        .fn-footer ul li a:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .fn-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 40px;
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 991.98px) {
            .fn-header .navbar-collapse {
                background: var(--fn-bg-dark);
                border-radius: 0 0 12px 12px;
                padding: 16px 20px;
                margin-top: 10px;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }

            .fn-header-right {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                margin-top: 12px;
            }

            .fn-nav .navbar-nav .nav-link {
                padding: 10px 12px;
            }
        }

        @media (max-width: 767.98px) {
            body {
                padding-top: 60px;
            }

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

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

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

            .fn-filter-panel {
                padding: 18px 16px;
            }

            .fn-recruit-banner {
                padding: 32px 22px;
            }

            .fn-recruit-banner .fn-recruit-title {
                font-size: 20px;
            }

            .fn-team-card .fn-team-stats {
                gap: 8px;
            }

            .fn-team-card .fn-stat-value {
                font-size: 16px;
            }

            .fn-timeline {
                padding-left: 24px;
            }

            .fn-timeline-item {
                padding-left: 10px;
            }

            .fn-timeline-item::before {
                left: -24px;
                width: 12px;
                height: 12px;
            }

            .fn-footer {
                padding: 40px 0 16px;
            }
        }

        @media (max-width: 519.98px) {
            .fn-status-badge {
                font-size: 11px;
                padding: 4px 10px;
            }

            .fn-btn-header {
                padding: 8px 16px;
                font-size: 13px;
            }

            .fn-logo-text {
                font-size: 18px;
            }

            .fn-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }

            .fn-page-header {
                padding: 28px 0 20px;
            }

            .fn-page-header h1 {
                font-size: 22px;
            }

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

            .fn-filter-panel .row>div {
                margin-bottom: 12px;
            }

            .fn-filter-panel .row>div:last-child {
                margin-bottom: 0;
            }
        }

/* roulang page: category4 */
:root {
            --fn-green: #0E9F8A;
            --fn-green-dark: #0a7a68;
            --fn-green-light: #e7f5f2;
            --fn-orange: #FF5A3C;
            --fn-orange-dark: #e04427;
            --fn-bg-light: #F4F6FA;
            --fn-bg-dark: #0B0F1C;
            --fn-bg-dark-2: #101625;
            --fn-text-main: #1A1F2E;
            --fn-text-muted: #5C6370;
            --fn-border: rgba(26, 31, 46, 0.08);
            --fn-radius-card: 12px;
            --fn-radius-btn: 8px;
            --fn-radius-badge: 20px;
            --fn-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
            --fn-shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.16);
            --fn-transition: all 0.25s ease;
            --fn-max-width: 1140px;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.9;
            color: var(--fn-text-main);
            background-color: #fff;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 68px;
        }

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

        a:hover {
            text-decoration: none;
            color: var(--fn-green);
        }

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

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

        .container {
            max-width: var(--fn-max-width);
        }

        /* ============ 导航 ============ */
        .fn-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: var(--fn-bg-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .fn-header .navbar {
            padding: 0;
            min-height: 68px;
        }

        .fn-logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .fn-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--fn-green), #17c3a0);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .fn-logo-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .fn-logo-text span {
            color: var(--fn-green);
        }

        .fn-nav .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            font-weight: 500;
            padding: 22px 16px;
            position: relative;
            transition: var(--fn-transition);
            letter-spacing: 0.5px;
        }

        .fn-nav .navbar-nav .nav-link:hover,
        .fn-nav .navbar-nav .nav-link:focus {
            color: #fff;
        }

        .fn-nav .navbar-nav .nav-link.active {
            color: var(--fn-green);
            font-weight: 600;
        }

        .fn-nav .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--fn-green);
            border-radius: 2px;
        }

        .fn-nav .navbar-nav .nav-link:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: -2px;
        }

        .fn-header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .fn-status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--fn-radius-badge);
            font-size: 13px;
            font-weight: 600;
            background: rgba(14, 159, 138, 0.15);
            color: var(--fn-green);
            border: 1px solid rgba(14, 159, 138, 0.3);
            white-space: nowrap;
        }

        .fn-status-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--fn-green);
            animation: fn-pulse 2s infinite;
        }

        @keyframes fn-pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.7);
            }
        }

        .fn-btn-header {
            background: var(--fn-orange);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            white-space: nowrap;
        }

        .fn-btn-header:hover,
        .fn-btn-header:focus {
            background: var(--fn-orange-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 90, 60, 0.3);
        }

        .fn-btn-header:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }

        .fn-navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
        }

        .fn-navbar-toggler .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ============ 面包屑页头 ============ */
        .fn-page-hero {
            background: #fff;
            padding: 28px 0 20px;
            border-bottom: 1px solid var(--fn-border);
        }

        .fn-breadcrumb {
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--fn-text-muted);
            list-style: none;
            background: transparent;
        }

        .fn-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .fn-breadcrumb li+li::before {
            content: '/';
            color: #b0b6c0;
            font-size: 13px;
        }

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

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

        .fn-breadcrumb .current {
            color: var(--fn-text-main);
            font-weight: 600;
        }

        .fn-page-hero h1 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: 1px;
            margin: 10px 0 6px;
            color: var(--fn-text-main);
        }

        .fn-page-hero .fn-sub-desc {
            font-size: 16px;
            color: var(--fn-text-muted);
            margin: 0;
            max-width: 720px;
        }

        /* ============ 通用板块 ============ */
        .fn-section {
            padding: 52px 0;
        }

        .fn-section-light {
            background: #fff;
        }

        .fn-section-gray {
            background: var(--fn-bg-light);
        }

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

        .fn-section-title-wrap {
            margin-bottom: 32px;
        }

        .fn-section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            padding: 6px 16px;
            border-radius: var(--fn-radius-badge);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.8px;
            margin-bottom: 12px;
            border: 1px solid rgba(14, 159, 138, 0.3);
        }

        .fn-section-title {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--fn-text-main);
            margin: 0;
        }

        .fn-section-sub {
            font-size: 16px;
            color: var(--fn-text-muted);
            margin-top: 8px;
            max-width: 760px;
        }

        .fn-section-dark .fn-section-title {
            color: #fff;
        }

        .fn-section-dark .fn-section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ============ 按钮 ============ */
        .fn-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--fn-green);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            cursor: pointer;
        }

        .fn-btn-primary:hover,
        .fn-btn-primary:focus {
            background: var(--fn-orange);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 90, 60, 0.3);
            transform: translateY(-2px);
        }

        .fn-btn-primary:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }

        .fn-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--fn-green);
            border: 1px solid var(--fn-green);
            border-radius: var(--fn-radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            cursor: pointer;
        }

        .fn-btn-outline:hover,
        .fn-btn-outline:focus {
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            border-color: var(--fn-green);
            transform: translateY(-2px);
        }

        .fn-btn-outline:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }

        .fn-btn-orange {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--fn-orange);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            cursor: pointer;
        }

        .fn-btn-orange:hover,
        .fn-btn-orange:focus {
            background: var(--fn-orange-dark);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 90, 60, 0.35);
            transform: translateY(-2px);
        }

        .fn-btn-orange:focus-visible {
            outline: 2px solid var(--fn-orange);
            outline-offset: 3px;
        }

        /* ============ 数据维度说明 ============ */
        .fn-dimension-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .fn-dimension-list li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--fn-border);
        }

        .fn-dimension-list li:last-child {
            border-bottom: none;
        }

        .fn-dimension-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--fn-green-light);
            color: var(--fn-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .fn-dimension-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--fn-text-main);
            margin: 0 0 4px;
        }

        .fn-dimension-desc {
            font-size: 15px;
            color: var(--fn-text-muted);
            margin: 0;
        }

        /* ============ 数据洞察卡片 ============ */
        .fn-insight-card {
            background: #fff;
            border: 1px solid var(--fn-border);
            border-radius: var(--fn-radius-card);
            padding: 22px;
            box-shadow: var(--fn-shadow);
            transition: var(--fn-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .fn-insight-card:hover {
            box-shadow: var(--fn-shadow-hover);
            border-color: var(--fn-green);
            transform: translateY(-2px);
        }

        .fn-insight-card:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 2px;
        }

        .fn-insight-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .fn-insight-cat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            padding: 4px 12px;
            border-radius: var(--fn-radius-badge);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .fn-insight-trend-up {
            color: var(--fn-green);
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .fn-insight-trend-down {
            color: var(--fn-orange);
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .fn-insight-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--fn-text-main);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
            line-height: 1.2;
        }

        .fn-insight-value small {
            font-size: 15px;
            font-weight: 600;
            color: var(--fn-text-muted);
        }

        .fn-insight-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--fn-text-main);
            margin: 0 0 6px;
        }

        .fn-insight-desc {
            font-size: 14px;
            color: var(--fn-text-muted);
            margin: 0;
            flex-grow: 1;
        }

        /* ============ 排名表格 ============ */
        .fn-table-wrap {
            background: #fff;
            border-radius: var(--fn-radius-card);
            border: 1px solid var(--fn-border);
            box-shadow: var(--fn-shadow);
            overflow: hidden;
        }

        .fn-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 0;
        }

        .fn-table thead th {
            background: var(--fn-bg-dark);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            white-space: nowrap;
        }

        .fn-table tbody td {
            padding: 14px 18px;
            font-size: 15px;
            color: var(--fn-text-main);
            border-bottom: 1px solid var(--fn-border);
            vertical-align: middle;
        }

        .fn-table tbody tr:hover td {
            background: var(--fn-green-light);
        }

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

        .fn-table .fn-rank-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 8px;
            font-weight: 800;
            font-size: 14px;
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
        }

        .fn-table .fn-rank-num.top1 {
            background: var(--fn-orange);
            color: #fff;
        }

        .fn-table .fn-rank-num.top2 {
            background: #f5a623;
            color: #fff;
        }

        .fn-table .fn-rank-num.top3 {
            background: #8d6e63;
            color: #fff;
        }

        .fn-table .fn-win-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            padding: 3px 10px;
            border-radius: var(--fn-radius-badge);
            font-size: 12px;
            font-weight: 600;
        }

        .fn-table .fn-muted-text {
            color: var(--fn-text-muted);
        }

        .fn-table .fn-table-link {
            color: var(--fn-green);
            font-weight: 600;
            font-size: 14px;
            transition: var(--fn-transition);
            cursor: pointer;
        }

        .fn-table .fn-table-link:hover,
        .fn-table .fn-table-link:focus {
            color: var(--fn-orange);
        }

        /* ============ 数据下载/API ============ */
        .fn-api-panel {
            background: #fff;
            border: 1px solid var(--fn-border);
            border-radius: var(--fn-radius-card);
            padding: 28px;
            box-shadow: var(--fn-shadow);
            height: 100%;
            transition: var(--fn-transition);
        }

        .fn-api-panel:hover {
            box-shadow: var(--fn-shadow-hover);
            border-color: var(--fn-green);
        }

        .fn-api-panel-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--fn-green-light);
            color: var(--fn-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 16px;
        }

        .fn-api-panel h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--fn-text-main);
        }

        .fn-api-panel p {
            font-size: 15px;
            color: var(--fn-text-muted);
            margin: 0 0 16px;
        }

        .fn-code-block {
            background: var(--fn-bg-dark);
            color: #e0e0e0;
            border-radius: 8px;
            padding: 16px;
            font-family: 'Courier New', monospace;
            font-size: 13px;
            line-height: 1.7;
            overflow-x: auto;
            margin-bottom: 16px;
        }

        .fn-code-block .fn-code-green {
            color: var(--fn-green);
        }

        .fn-code-block .fn-code-orange {
            color: var(--fn-orange);
        }

        /* ============ FAQ ============ */
        .fn-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--fn-border);
            border-radius: var(--fn-radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            transition: var(--fn-transition);
        }

        .fn-accordion .accordion-item:last-child {
            margin-bottom: 0;
        }

        .fn-accordion .accordion-item:hover {
            border-color: var(--fn-green);
            box-shadow: var(--fn-shadow);
        }

        .fn-accordion .accordion-button {
            background: #fff;
            color: var(--fn-text-main);
            font-size: 16px;
            font-weight: 600;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: var(--fn-transition);
        }

        .fn-accordion .accordion-button:not(.collapsed) {
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            box-shadow: none;
        }

        .fn-accordion .accordion-button:focus {
            outline: 2px solid var(--fn-green);
            outline-offset: -2px;
            box-shadow: none;
        }

        .fn-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235C6370'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: var(--fn-transition);
        }

        .fn-accordion .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E9F8A'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .fn-accordion .accordion-body {
            padding: 18px 22px;
            font-size: 15px;
            color: var(--fn-text-muted);
            line-height: 1.9;
            border-top: 1px solid var(--fn-border);
        }

        /* ============ 订阅表单 ============ */
        .fn-subscribe-panel {
            background: var(--fn-bg-dark);
            border-radius: var(--fn-radius-card);
            padding: 36px 32px;
            color: #fff;
            display: flex;
            flex-direction: column;
            gap: 16px;
            box-shadow: var(--fn-shadow);
        }

        .fn-subscribe-panel h3 {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin: 0;
            letter-spacing: 0.5px;
        }

        .fn-subscribe-panel p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }

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

        .fn-subscribe-form .fn-input {
            flex: 1;
            min-width: 240px;
            background: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--fn-radius-btn);
            padding: 12px 18px;
            font-size: 15px;
            color: var(--fn-text-main);
            transition: var(--fn-transition);
        }

        .fn-subscribe-form .fn-input::placeholder {
            color: #a0a4b0;
        }

        .fn-subscribe-form .fn-input:focus {
            outline: none;
            border-color: var(--fn-green);
            box-shadow: 0 0 0 3px rgba(14, 159, 138, 0.2);
        }

        .fn-subscribe-form .fn-btn-submit {
            background: var(--fn-orange);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .fn-subscribe-form .fn-btn-submit:hover,
        .fn-subscribe-form .fn-btn-submit:focus {
            background: var(--fn-orange-dark);
            box-shadow: 0 8px 20px rgba(255, 90, 60, 0.35);
            transform: translateY(-2px);
        }

        .fn-subscribe-form .fn-btn-submit:focus-visible {
            outline: 2px solid var(--fn-orange);
            outline-offset: 3px;
        }

        .fn-subscribe-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
        }

        /* ============ 页脚 ============ */
        .fn-footer {
            background: var(--fn-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 24px;
        }

        .fn-footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 12px;
            max-width: 340px;
        }

        .fn-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }

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

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

        .fn-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--fn-transition);
        }

        .fn-footer ul li a:hover,
        .fn-footer ul li a:focus {
            color: var(--fn-green);
            padding-left: 4px;
        }

        .fn-footer ul li a:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 2px;
        }

        .fn-footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .fn-nav .navbar-nav .nav-link {
                padding: 22px 12px;
                font-size: 15px;
            }
            .fn-header-right {
                gap: 8px;
            }
            .fn-status-badge {
                display: none;
            }
        }

        @media (max-width: 991.98px) {
            .fn-header .navbar {
                padding: 10px 0;
            }
            .fn-nav .navbar-nav .nav-link {
                padding: 10px 4px;
                font-size: 16px;
                color: rgba(255, 255, 255, 0.85);
            }
            .fn-nav .navbar-nav .nav-link.active::after {
                display: none;
            }
            .fn-nav .navbar-nav .nav-link.active {
                background: rgba(14, 159, 138, 0.12);
                border-radius: 8px;
                padding-left: 12px;
                padding-right: 12px;
            }
            .fn-header-right {
                margin-top: 8px;
                padding-top: 10px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                width: 100%;
                justify-content: space-between;
            }
            .fn-status-badge {
                display: inline-flex;
            }
            .fn-page-hero h1 {
                font-size: 28px;
            }
            .fn-section {
                padding: 40px 0;
            }
            .fn-section-title {
                font-size: 22px;
            }
            .fn-subscribe-panel {
                padding: 28px 22px;
            }
            .fn-subscribe-form {
                flex-direction: column;
            }
            .fn-subscribe-form .fn-input,
            .fn-subscribe-form .fn-btn-submit {
                width: 100%;
            }
        }

        @media (max-width: 767.98px) {
            body {
                padding-top: 56px;
            }
            .fn-header .navbar {
                min-height: auto;
                padding: 8px 0;
            }
            .fn-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .fn-logo-text {
                font-size: 18px;
            }
            .fn-page-hero {
                padding: 18px 0 14px;
            }
            .fn-page-hero h1 {
                font-size: 24px;
            }
            .fn-section {
                padding: 32px 0;
            }
            .fn-section-title {
                font-size: 20px;
            }
            .fn-section-tag {
                font-size: 12px;
                padding: 4px 12px;
            }
            .fn-insight-value {
                font-size: 26px;
            }
            .fn-table thead th,
            .fn-table tbody td {
                padding: 10px 12px;
                font-size: 13px;
            }
            .fn-table .fn-rank-num {
                width: 26px;
                height: 26px;
                font-size: 12px;
            }
            .fn-api-panel {
                padding: 20px;
            }
            .fn-accordion .accordion-button {
                padding: 14px 16px;
                font-size: 15px;
            }
            .fn-accordion .accordion-body {
                padding: 14px 16px;
                font-size: 14px;
            }
            .fn-subscribe-panel {
                padding: 22px 16px;
            }
            .fn-subscribe-panel h3 {
                font-size: 19px;
            }
            .fn-footer {
                padding: 40px 0 20px;
            }
            .fn-footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .fn-page-hero h1 {
                font-size: 21px;
            }
            .fn-section-title {
                font-size: 18px;
            }
            .fn-dimension-icon {
                width: 40px;
                height: 40px;
                font-size: 17px;
            }
            .fn-dimension-name {
                font-size: 15px;
            }
            .fn-dimension-desc {
                font-size: 14px;
            }
            .fn-insight-card {
                padding: 16px;
            }
            .fn-insight-value {
                font-size: 22px;
            }
            .fn-table-wrap {
                border-radius: 8px;
            }
            .fn-code-block {
                font-size: 12px;
                padding: 12px;
            }
            .fn-btn-primary,
            .fn-btn-outline,
            .fn-btn-orange {
                padding: 10px 22px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .fn-status-badge {
                display: none;
            }
        }

/* roulang page: category5 */
:root {
            --fn-green: #0E9F8A;
            --fn-green-dark: #0a7a68;
            --fn-green-light: #e7f5f2;
            --fn-orange: #FF5A3C;
            --fn-orange-dark: #e04427;
            --fn-bg-light: #F4F6FA;
            --fn-bg-dark: #0B0F1C;
            --fn-bg-dark-2: #101625;
            --fn-text-main: #1A1F2E;
            --fn-text-muted: #5C6370;
            --fn-border: rgba(26, 31, 46, 0.08);
            --fn-radius-card: 12px;
            --fn-radius-btn: 8px;
            --fn-radius-badge: 20px;
            --fn-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
            --fn-shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.16);
            --fn-transition: all 0.25s ease;
            --fn-max-width: 1140px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.9;
            color: var(--fn-text-main);
            background-color: #fff;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
            padding-top: 68px;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--fn-transition);
        }
        a:hover {
            text-decoration: none;
            color: var(--fn-green);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: var(--fn-max-width);
        }
        section {
            padding: 56px 0;
        }
        @media (min-width: 992px) {
            section {
                padding: 72px 0;
            }
        }

        /* ============ 导航 ============ */
        .fn-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: var(--fn-bg-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .fn-header .navbar {
            padding: 0;
            min-height: 68px;
        }
        .fn-logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .fn-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--fn-green), #17c3a0);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .fn-logo-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }
        .fn-logo-text span {
            color: var(--fn-green);
        }
        .fn-nav .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            font-weight: 500;
            padding: 22px 16px;
            position: relative;
            transition: var(--fn-transition);
            letter-spacing: 0.5px;
        }
        .fn-nav .navbar-nav .nav-link:hover,
        .fn-nav .navbar-nav .nav-link:focus {
            color: #fff;
        }
        .fn-nav .navbar-nav .nav-link.active {
            color: var(--fn-green);
            font-weight: 600;
        }
        .fn-nav .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--fn-green);
            border-radius: 2px;
        }
        .fn-nav .navbar-nav .nav-link:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: -2px;
        }
        .fn-header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .fn-status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--fn-radius-badge);
            font-size: 13px;
            font-weight: 600;
            background: rgba(14, 159, 138, 0.15);
            color: var(--fn-green);
            border: 1px solid rgba(14, 159, 138, 0.3);
            white-space: nowrap;
        }
        .fn-status-badge .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--fn-green);
            animation: fn-pulse 2s infinite;
        }
        @keyframes fn-pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.7); }
        }
        .fn-btn-header {
            background: var(--fn-orange);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            white-space: nowrap;
        }
        .fn-btn-header:hover,
        .fn-btn-header:focus {
            background: var(--fn-orange-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(255, 90, 60, 0.3);
        }
        .fn-btn-header:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }
        .fn-navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
        }
        .fn-navbar-toggler .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .fn-header .navbar {
                min-height: auto;
                padding: 12px 0;
            }
            .fn-nav .navbar-nav .nav-link {
                padding: 12px 4px;
                font-size: 16px;
                color: rgba(255, 255, 255, 0.85);
            }
            .fn-nav .navbar-nav .nav-link.active::after {
                display: none;
            }
            .fn-nav .navbar-nav .nav-link.active {
                background: rgba(14, 159, 138, 0.12);
                border-radius: 8px;
                padding-left: 12px;
                color: var(--fn-green);
            }
            .fn-header-right {
                padding-top: 12px;
                flex-wrap: wrap;
                gap: 8px;
            }
            .fn-status-badge {
                font-size: 12px;
                padding: 5px 10px;
            }
            .fn-btn-header {
                font-size: 14px;
                padding: 8px 16px;
            }
            #fnMainNav {
                background: var(--fn-bg-dark-2);
                border-radius: 12px;
                margin-top: 10px;
                padding: 16px;
            }
        }
        @media (max-width: 575.98px) {
            .fn-logo-text {
                font-size: 19px;
            }
            .fn-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .fn-header-right {
                gap: 6px;
            }
            .fn-btn-header {
                padding: 8px 12px;
                font-size: 13px;
            }
        }

        /* ============ 页脚 ============ */
        .fn-footer {
            background: var(--fn-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .fn-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .fn-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .fn-footer ul li {
            margin-bottom: 8px;
        }
        .fn-footer ul a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: var(--fn-transition);
        }
        .fn-footer ul a:hover {
            color: var(--fn-green);
            padding-left: 4px;
        }
        .fn-footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 12px;
        }
        .fn-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        @media (max-width: 767.98px) {
            .fn-footer {
                padding: 40px 0 20px;
            }
            .fn-footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        /* ============ 面包屑 ============ */
        .fn-breadcrumb-wrap {
            background: var(--fn-bg-light);
            border-bottom: 1px solid var(--fn-border);
            padding: 16px 0;
            margin-bottom: 0;
        }
        .fn-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--fn-text-muted);
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .fn-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .fn-breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--fn-text-muted);
            margin-left: 4px;
        }
        .fn-breadcrumb a {
            color: var(--fn-text-muted);
            transition: var(--fn-transition);
        }
        .fn-breadcrumb a:hover {
            color: var(--fn-green);
        }
        .fn-breadcrumb .fn-breadcrumb-current {
            color: var(--fn-text-main);
            font-weight: 600;
        }

        /* ============ 社区页特有样式 ============ */
        .fn-page-header {
            background: var(--fn-bg-dark);
            color: #fff;
            padding: 40px 0 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
            overflow: hidden;
        }
        .fn-page-header::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(14, 159, 138, 0.18), transparent 70%);
            pointer-events: none;
        }
        .fn-page-header::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 90, 60, 0.14), transparent 70%);
            pointer-events: none;
        }
        .fn-page-header .container {
            position: relative;
            z-index: 1;
        }
        .fn-page-header h1 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .fn-page-header p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 640px;
            margin: 0;
        }
        @media (min-width: 768px) {
            .fn-page-header h1 {
                font-size: 38px;
            }
        }

        /* 身份徽章 */
        .fn-badge-card {
            background: #fff;
            border: 1px solid var(--fn-border);
            border-radius: var(--fn-radius-card);
            padding: 24px 20px;
            text-align: center;
            height: 100%;
            box-shadow: var(--fn-shadow);
            transition: var(--fn-transition);
        }
        .fn-badge-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(14, 159, 138, 0.35);
        }
        .fn-badge-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 22px;
            color: #fff;
        }
        .fn-badge-icon.green {
            background: linear-gradient(135deg, var(--fn-green), #17c3a0);
        }
        .fn-badge-icon.orange {
            background: linear-gradient(135deg, var(--fn-orange), #ff7a5c);
        }
        .fn-badge-icon.dark {
            background: linear-gradient(135deg, var(--fn-bg-dark), #2a3650);
        }
        .fn-badge-icon.blue {
            background: linear-gradient(135deg, #3b82f6, #60a5fa);
        }
        .fn-badge-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .fn-badge-card p {
            font-size: 14px;
            color: var(--fn-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .fn-badge-level {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--fn-radius-badge);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .fn-badge-level.l1 {
            background: #e8f5e9;
            color: #2e7d32;
        }
        .fn-badge-level.l2 {
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
        }
        .fn-badge-level.l3 {
            background: #fff3e0;
            color: var(--fn-orange-dark);
        }
        .fn-badge-level.l4 {
            background: #ede7f6;
            color: #5e35b1;
        }

        /* 社区规则条 */
        .fn-rule-strip {
            background: #fff;
            border: 1px solid var(--fn-border);
            border-radius: var(--fn-radius-card);
            padding: 20px 24px;
            box-shadow: var(--fn-shadow);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
        }
        .fn-rule-strip .fn-rule-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--fn-green-light);
            color: var(--fn-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .fn-rule-strip .fn-rule-content {
            flex: 1;
            min-width: 200px;
        }
        .fn-rule-strip .fn-rule-content h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .fn-rule-strip .fn-rule-content p {
            font-size: 14px;
            color: var(--fn-text-muted);
            margin: 0;
        }
        .fn-rule-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .fn-rule-list span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--fn-radius-badge);
            background: var(--fn-bg-light);
            font-size: 13px;
            color: var(--fn-text-muted);
        }
        .fn-rule-list span i {
            color: var(--fn-green);
            font-size: 12px;
        }

        /* 帖子卡片 */
        .fn-discussion-card {
            background: #fff;
            border: 1px solid var(--fn-border);
            border-radius: var(--fn-radius-card);
            padding: 20px 24px;
            box-shadow: var(--fn-shadow);
            transition: var(--fn-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .fn-discussion-card:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(14, 159, 138, 0.35);
        }
        .fn-discussion-card .fn-dc-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .fn-discussion-card .fn-dc-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
            border: 2px solid var(--fn-green-light);
        }
        .fn-discussion-card .fn-dc-user {
            flex: 1;
            min-width: 0;
        }
        .fn-discussion-card .fn-dc-user .fn-dc-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--fn-text-main);
        }
        .fn-discussion-card .fn-dc-user .fn-dc-time {
            font-size: 12px;
            color: var(--fn-text-muted);
        }
        .fn-discussion-card .fn-dc-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: var(--fn-radius-badge);
            font-size: 12px;
            font-weight: 600;
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            white-space: nowrap;
        }
        .fn-discussion-card .fn-dc-tag.orange {
            background: #fff3e0;
            color: var(--fn-orange-dark);
        }
        .fn-discussion-card .fn-dc-tag.gray {
            background: #f0f1f3;
            color: var(--fn-text-muted);
        }
        .fn-discussion-card .fn-dc-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.5;
            color: var(--fn-text-main);
        }
        .fn-discussion-card .fn-dc-excerpt {
            font-size: 14px;
            color: var(--fn-text-muted);
            line-height: 1.8;
            margin-bottom: 14px;
            flex: 1;
        }
        .fn-discussion-card .fn-dc-footer {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--fn-text-muted);
            border-top: 1px solid var(--fn-border);
            padding-top: 12px;
        }
        .fn-discussion-card .fn-dc-footer span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .fn-discussion-card .fn-dc-footer i {
            font-size: 13px;
            color: var(--fn-green);
        }

        /* 标签云 */
        .fn-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .fn-tag-cloud a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: var(--fn-radius-badge);
            background: #fff;
            border: 1px solid var(--fn-border);
            font-size: 14px;
            color: var(--fn-text-main);
            transition: var(--fn-transition);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .fn-tag-cloud a:hover,
        .fn-tag-cloud a:focus {
            background: var(--fn-green);
            color: #fff;
            border-color: var(--fn-green);
            box-shadow: 0 6px 16px rgba(14, 159, 138, 0.25);
            transform: translateY(-1px);
        }
        .fn-tag-cloud a.size-lg {
            font-size: 17px;
            font-weight: 700;
            padding: 10px 22px;
        }
        .fn-tag-cloud a.size-md {
            font-size: 15px;
            font-weight: 600;
            padding: 8px 18px;
        }
        .fn-tag-cloud a.size-sm {
            font-size: 13px;
            padding: 6px 14px;
        }

        /* 成员排行 */
        .fn-member-rank {
            background: #fff;
            border: 1px solid var(--fn-border);
            border-radius: var(--fn-radius-card);
            padding: 20px 24px;
            box-shadow: var(--fn-shadow);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: var(--fn-transition);
        }
        .fn-member-rank:hover {
            box-shadow: var(--fn-shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(14, 159, 138, 0.35);
        }
        .fn-member-rank .fn-mr-rank {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
            color: #fff;
        }
        .fn-member-rank .fn-mr-rank.r1 {
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
        }
        .fn-member-rank .fn-mr-rank.r2 {
            background: linear-gradient(135deg, #94a3b8, #cbd5e1);
        }
        .fn-member-rank .fn-mr-rank.r3 {
            background: linear-gradient(135deg, #d97706, #f59e0b);
        }
        .fn-member-rank .fn-mr-rank.r4,
        .fn-member-rank .fn-mr-rank.r5 {
            background: linear-gradient(135deg, var(--fn-green), #17c3a0);
        }
        .fn-member-rank .fn-mr-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
            border: 2px solid var(--fn-green-light);
        }
        .fn-member-rank .fn-mr-info {
            flex: 1;
            min-width: 0;
        }
        .fn-member-rank .fn-mr-info .fn-mr-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--fn-text-main);
        }
        .fn-member-rank .fn-mr-info .fn-mr-title {
            font-size: 12px;
            color: var(--fn-text-muted);
        }
        .fn-member-rank .fn-mr-score {
            font-size: 20px;
            font-weight: 800;
            color: var(--fn-green);
            white-space: nowrap;
        }
        .fn-member-rank .fn-mr-score small {
            font-size: 12px;
            font-weight: 500;
            color: var(--fn-text-muted);
        }

        /* 倒计时 */
        .fn-countdown-card {
            background: var(--fn-bg-dark);
            border-radius: var(--fn-radius-card);
            padding: 40px 32px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .fn-countdown-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(14, 159, 138, 0.25), transparent 70%);
            pointer-events: none;
        }
        .fn-countdown-card::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -30px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 90, 60, 0.2), transparent 70%);
            pointer-events: none;
        }
        .fn-countdown-card .container {
            position: relative;
            z-index: 1;
        }
        .fn-countdown-card h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .fn-countdown-card .fn-countdown-sub {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
        }
        .fn-countdown-timer {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .fn-countdown-timer .fn-ct-block {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            padding: 14px 18px;
            min-width: 64px;
            text-align: center;
        }
        .fn-countdown-timer .fn-ct-num {
            font-size: 28px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            color: var(--fn-green);
        }
        .fn-countdown-timer .fn-ct-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        .fn-countdown-progress {
            margin-top: 24px;
            height: 6px;
            border-radius: 3px;
            background: rgba(255, 255, 255, 0.1);
            overflow: hidden;
        }
        .fn-countdown-progress .fn-countdown-bar {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--fn-green), var(--fn-orange));
            width: 68%;
            transition: width 0.6s ease;
        }
        .fn-countdown-status {
            display: inline-block;
            margin-top: 18px;
            padding: 6px 16px;
            border-radius: var(--fn-radius-badge);
            font-size: 13px;
            font-weight: 600;
            background: rgba(255, 90, 60, 0.18);
            color: var(--fn-orange);
            border: 1px solid rgba(255, 90, 60, 0.35);
        }

        /* 加入俱乐部 CTA */
        .fn-join-cta {
            background: linear-gradient(135deg, var(--fn-green-dark) 0%, var(--fn-green) 50%, #17c3a0 100%);
            border-radius: var(--fn-radius-card);
            padding: 44px 36px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--fn-shadow);
        }
        .fn-join-cta::before {
            content: '';
            position: absolute;
            top: -70px;
            right: -50px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 70%);
            pointer-events: none;
        }
        .fn-join-cta::after {
            content: '';
            position: absolute;
            bottom: -90px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 90, 60, 0.3), transparent 70%);
            pointer-events: none;
        }
        .fn-join-cta .container {
            position: relative;
            z-index: 1;
        }
        .fn-join-cta h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .fn-join-cta p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin-bottom: 24px;
        }
        .fn-join-cta .fn-btn-join {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--fn-orange);
            color: #fff;
            border: none;
            border-radius: var(--fn-radius-btn);
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.5px;
            transition: var(--fn-transition);
            box-shadow: 0 8px 20px rgba(255, 90, 60, 0.3);
        }
        .fn-join-cta .fn-btn-join:hover,
        .fn-join-cta .fn-btn-join:focus {
            background: var(--fn-orange-dark);
            box-shadow: 0 12px 28px rgba(255, 90, 60, 0.45);
            transform: translateY(-2px);
        }
        .fn-join-cta .fn-btn-join:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        /* 查看更多 */
        .fn-view-more-wrap {
            text-align: center;
            padding-top: 8px;
        }
        .fn-btn-view-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--fn-green);
            border: 1px solid var(--fn-green);
            border-radius: var(--fn-radius-btn);
            padding: 10px 26px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--fn-transition);
        }
        .fn-btn-view-more:hover,
        .fn-btn-view-more:focus {
            background: var(--fn-green-light);
            color: var(--fn-green-dark);
            border-color: var(--fn-green);
            box-shadow: 0 6px 16px rgba(14, 159, 138, 0.2);
        }
        .fn-btn-view-more:focus-visible {
            outline: 2px solid var(--fn-green);
            outline-offset: 3px;
        }

        /* 通用辅助 */
        .fn-section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--fn-text-main);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .fn-section-sub {
            font-size: 16px;
            color: var(--fn-text-muted);
            color: var(--fn-text-muted);
            margin-bottom: 32px;
        }
        .fn-bg-light {
            background: var(--fn-bg-light);
        }
        .fn-bg-white {
            background: #fff;
        }
        .fn-bg-dark-section {
            background: var(--fn-bg-dark);
        }
        .fn-text-green {
            color: var(--fn-green);
        }
        .fn-text-orange {
            color: var(--fn-orange);
        }
        .fn-mb-0 {
            margin-bottom: 0;
        }
        .fn-mt-0 {
            margin-top: 0;
        }

        @media (max-width: 767.98px) {
            section {
                padding: 40px 0;
            }
            .fn-page-header {
                padding: 32px 0 24px;
            }
            .fn-page-header h1 {
                font-size: 28px;
            }
            .fn-section-title {
                font-size: 21px;
            }
            .fn-join-cta {
                padding: 32px 22px;
            }
            .fn-join-cta h2 {
                font-size: 22px;
            }
            .fn-countdown-card {
                padding: 30px 20px;
            }
            .fn-countdown-card h2 {
                font-size: 19px;
            }
            .fn-countdown-timer .fn-ct-block {
                min-width: 54px;
                padding: 10px 12px;
            }
            .fn-countdown-timer .fn-ct-num {
                font-size: 22px;
            }
            .fn-discussion-card {
                padding: 16px 18px;
            }
            .fn-discussion-card .fn-dc-title {
                font-size: 15px;
            }
            .fn-member-rank {
                padding: 16px 18px;
                gap: 10px;
            }
            .fn-member-rank .fn-mr-score {
                font-size: 17px;
            }
            .fn-rule-strip {
                padding: 16px 18px;
                gap: 10px;
            }
            .fn-badge-card {
                padding: 18px 14px;
            }
        }
        @media (max-width: 575.98px) {
            body {
                font-size: 15px;
                padding-top: 62px;
            }
            .fn-page-header h1 {
                font-size: 24px;
            }
            .fn-page-header p {
                font-size: 14px;
            }
            .fn-section-title {
                font-size: 19px;
            }
            .fn-section-sub {
                font-size: 14px;
                margin-bottom: 24px;
            }
            .fn-countdown-timer {
                gap: 8px;
            }
            .fn-countdown-timer .fn-ct-block {
                min-width: 48px;
                padding: 8px 10px;
                border-radius: 8px;
            }
            .fn-countdown-timer .fn-ct-num {
                font-size: 19px;
            }
            .fn-countdown-timer .fn-ct-label {
                font-size: 11px;
            }
            .fn-join-cta .fn-btn-join {
                padding: 12px 22px;
                font-size: 14px;
            }
            .fn-tag-cloud a {
                font-size: 12px;
                padding: 6px 12px;
            }
            .fn-tag-cloud a.size-lg {
                font-size: 15px;
                padding: 8px 16px;
            }
            .fn-tag-cloud a.size-md {
                font-size: 13px;
                padding: 7px 14px;
            }
        }

/* 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}