/* roulang page: index */
:root {
            --primary: #00D084;
            --primary-hover: #00B371;
            --primary-glow: rgba(0, 208, 132, 0.25);
            --bg-dark: #0B0E14;
            --bg-surface-dark: #121824;
            --bg-light: #F8FAFC;
            --bg-white: #FFFFFF;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --text-light-main: #F1F5F9;
            --text-light-muted: #94A3B8;
            --border-light: #E2E8F0;
            --border-dark: rgba(255, 255, 255, 0.08);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-subtle: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
            --shadow-float: 0 12px 32px -4px rgba(15, 23, 42, 0.08);
            --transition: cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
        }

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

        body {
            font-family: Inter, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部双行导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .top-trust-bar {
            background-color: var(--bg-dark);
            color: var(--text-light-muted);
            font-size: 12px;
            padding: 6px 0;
            letter-spacing: 0.2px;
        }

        .top-trust-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .trust-metrics span {
            margin-right: 20px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .trust-metrics i {
            color: var(--primary);
            font-size: 10px;
        }

        .main-navbar {
            padding: 16px 0;
        }

        .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--bg-dark);
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1E293B 100%);
            border: 2px solid var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: #334155;
            position: relative;
            padding: 4px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--bg-dark);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition);
        }

        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 9999px;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--bg-dark);
            box-shadow: 0 4px 12px var(--primary-glow);
        }

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

        .btn-secondary {
            background-color: transparent;
            color: var(--bg-dark);
            border-color: #CBD5E1;
        }

        .btn-secondary:hover {
            border-color: var(--bg-dark);
            background: #F1F5F9;
        }

        .btn-dark {
            background-color: var(--bg-dark);
            color: #FFFFFF;
        }

        .btn-dark:hover {
            background-color: #1E293B;
            transform: translateY(-2px);
        }

        /* 移动端菜单开关 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--bg-dark);
            cursor: pointer;
        }

        /* Hero 区域：蓝图 试用申请，权益徽章 + 资格说明 + 申请按钮 */
        .hero-section {
            position: relative;
            background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
            padding: 80px 0 100px;
            border-bottom: 1px solid var(--border-light);
            background-image: radial-gradient(rgba(0, 208, 132, 0.08) 1px, transparent 0);
            background-size: 32px 32px;
        }

        .hero-wrapper {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 56px;
            align-items: center;
        }

        .hero-pill-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 208, 132, 0.12);
            color: #008753;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 9999px;
            margin-bottom: 24px;
            border: 1px solid rgba(0, 208, 132, 0.3);
        }

        .hero-title {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -1.5px;
            color: var(--bg-dark);
            margin-bottom: 20px;
        }

        .hero-title span {
            color: #008753;
        }

        .hero-description {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 620px;
        }

        .hero-badges-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }

        .hero-spec-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            color: #334155;
            background: #FFFFFF;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
        }

        .hero-spec-item i {
            color: var(--primary);
        }

        /* Hero 试用资格表单卡片 */
        .hero-form-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-float);
            border: 1px solid rgba(226, 232, 240, 0.8);
            position: relative;
        }

        .form-card-badge {
            position: absolute;
            top: -12px;
            right: 28px;
            background: var(--bg-dark);
            color: var(--primary);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 9999px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .form-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--bg-dark);
            margin-bottom: 8px;
        }

        .form-card-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.5;
        }

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

        .input-label {
            display: block;
            font-size: 12px;
            font-weight: 600;
            color: #475569;
            margin-bottom: 6px;
        }

        .input-control {
            width: 100%;
            padding: 12px 14px;
            font-size: 14px;
            border: 1px solid #CBD5E1;
            border-radius: var(--radius-sm);
            outline: none;
            transition: all var(--transition);
            background: #F8FAFC;
        }

        .input-control:focus {
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px var(--primary-glow);
        }

        /* 通用板块标准 */
        .section-block {
            padding: 90px 0;
            position: relative;
        }

        .section-header {
            max-width: 760px;
            margin: 0 auto 54px;
            text-align: center;
        }

        .section-tag {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: #008753;
            margin-bottom: 12px;
            display: inline-block;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.8px;
            color: var(--bg-dark);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块2: 内容日历 */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .calendar-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .calendar-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-float);
        }

        .calendar-date {
            font-size: 12px;
            font-weight: 700;
            color: #008753;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .calendar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--bg-dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .calendar-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .calendar-status {
            font-size: 12px;
            font-weight: 600;
            color: #475569;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* 板块3: 热门专题 */
        .topics-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 24px;
        }

        .topic-feature-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
        }

        .topic-feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-float);
            border-color: var(--primary);
        }

        .topic-img-wrapper {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .topic-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s var(--transition);
        }

        .topic-feature-card:hover .topic-img-wrapper img {
            transform: scale(1.05);
        }

        .topic-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .topic-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--bg-dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .topic-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

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

        .tag-pill {
            background: #F1F5F9;
            color: #475569;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
        }

        /* 板块4: 观点解读 (Bento 网格) */
        .insights-bento {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .bento-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px;
            position: relative;
            transition: all var(--transition);
        }

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

        .bento-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: #F8FAFC;
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #008753;
            margin-bottom: 20px;
        }

        .bento-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--bg-dark);
            margin-bottom: 12px;
        }

        .bento-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 板块5: 资讯列表 */
        .news-table-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .news-entry {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            gap: 20px;
            align-items: center;
            transition: all var(--transition);
        }

        .news-entry:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-subtle);
        }

        .news-date-badge {
            background: #F1F5F9;
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            text-align: center;
            min-width: 72px;
        }

        .news-date-badge .day {
            font-size: 20px;
            font-weight: 800;
            color: var(--bg-dark);
            display: block;
            line-height: 1;
        }

        .news-date-badge .month {
            font-size: 11px;
            color: var(--text-muted);
            text-transform: uppercase;
            font-weight: 600;
            margin-top: 4px;
            display: block;
        }

        .news-content h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--bg-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块6: 媒体精选 (深色极客黑白对撞区) */
        .media-dark-section {
            background-color: var(--bg-dark);
            color: #FFFFFF;
            padding: 100px 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .media-dark-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 60px;
        }

        .media-dark-header .section-tag {
            color: var(--primary);
        }

        .media-dark-header .section-title {
            color: #FFFFFF;
        }

        .media-dark-header .section-desc {
            color: var(--text-light-muted);
        }

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

        .media-dark-card {
            background: var(--bg-surface-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .media-dark-card:hover {
            border-color: rgba(0, 208, 132, 0.4);
            transform: translateY(-4px);
        }

        .media-img-holder {
            height: 190px;
            position: relative;
        }

        .media-img-holder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .media-card-body {
            padding: 24px;
        }

        .media-source {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 8px;
        }

        .media-headline {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-light-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .media-summary {
            font-size: 13px;
            color: var(--text-light-muted);
            line-height: 1.6;
        }

        /* 板块7: 数据分析与效能条 */
        .metrics-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 20px;
        }

        .metric-block {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-subtle);
        }

        .metric-number {
            font-size: 42px;
            font-weight: 900;
            letter-spacing: -1px;
            color: var(--bg-dark);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .metric-number span {
            color: #008753;
            font-size: 28px;
        }

        .metric-label {
            font-size: 14px;
            font-weight: 700;
            color: #334155;
            margin-bottom: 6px;
        }

        .metric-sub {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 板块8: 平台保障 */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guarantee-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition);
        }

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

        .guarantee-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: rgba(0, 208, 132, 0.1);
            color: #008753;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
        }

        .guarantee-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--bg-dark);
            margin-bottom: 8px;
        }

        .guarantee-card p {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 扩展板块9: 高并发赛事保障流程 (橫向步进) */
        .step-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            position: relative;
        }

        .step-number {
            font-size: 32px;
            font-weight: 900;
            color: rgba(0, 208, 132, 0.25);
            line-height: 1;
            margin-bottom: 12px;
        }

        .step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--bg-dark);
            margin-bottom: 8px;
        }

        .step-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 扩展板块10: 集成生态与第三方连接 */
        .ecosystem-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .ecosystem-badge {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 16px;
            text-align: center;
            font-size: 13px;
            font-weight: 600;
            color: #334155;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }

        .ecosystem-badge:hover {
            border-color: var(--primary);
            color: var(--bg-dark);
        }

        .ecosystem-badge i {
            font-size: 20px;
            color: #64748B;
        }

        .ecosystem-badge:hover i {
            color: #008753;
        }

        /* 板块11: 订阅条 (蓝图指定单收口区) */
        .subscription-strip-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #0F172A 0%, #0B0E14 100%);
            color: #FFFFFF;
            border-top: 2px solid var(--primary);
        }

        .strip-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .strip-text-group h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }

        .strip-text-group p {
            font-size: 14px;
            color: var(--text-light-muted);
            max-width: 580px;
        }

        .strip-form-box {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.05);
            padding: 8px;
            border-radius: 9999px;
            border: 1px solid var(--border-dark);
            min-width: 440px;
        }

        .strip-input {
            background: transparent;
            border: none;
            outline: none;
            color: #FFFFFF;
            font-size: 14px;
            padding: 10px 18px;
            flex-grow: 1;
        }

        .strip-input::placeholder {
            color: #64748B;
        }

        /* 统一页脚 */
        .site-footer {
            background-color: #07090D;
            color: #94A3B8;
            padding: 70px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
        }

        .footer-main-cols {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 50px;
        }

        .footer-brand h4 {
            color: #FFFFFF;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer-col-title {
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

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

        .footer-bottom-trust {
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
        }

        .footer-badges {
            display: flex;
            gap: 16px;
        }

        /* 响应式样式断点 */
        @media (max-width: 1024px) {
            .hero-wrapper {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .calendar-grid, .step-timeline, .guarantee-grid, .metrics-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .topics-grid, .insights-bento, .media-cards-grid {
                grid-template-columns: 1fr;
            }
            .ecosystem-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .strip-wrapper {
                flex-direction: column;
                align-items: flex-start;
            }
            .strip-form-box {
                width: 100%;
                min-width: unset;
            }
            .footer-main-cols {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu, .btn-header-cta {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-title {
                font-size: 32px;
            }
            .news-table-layout {
                grid-template-columns: 1fr;
            }
            .calendar-grid, .step-timeline, .guarantee-grid, .metrics-strip {
                grid-template-columns: 1fr;
            }
            .ecosystem-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-main-cols {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom-trust {
                flex-direction: column;
                align-items: flex-start;
            }
        }