/* roulang page: index */
:root {
      --bg-dark: #020617;
      --bg-surface: #0b0f17;
      --card-bg: rgba(30, 41, 59, 0.7);
      --card-border: rgba(255, 255, 255, 0.08);
      --primary-blue: #1e3a8a;
      --accent-green: #10b981;
      --accent-cyan: #06b6d4;
      --accent-gold: #f59e0b;
      --text-white: #f8fafc;
      --text-gray: #94a3b8;
      --text-muted: #64748b;
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 8px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-dark);
      color: var(--text-white);
      overflow-x: hidden;
    }

    body {
      overflow-x: hidden;
      line-height: 1.6;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部辅助条与主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(2, 6, 23, 0.85);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--card-border);
    }

    .sys-ticker {
      background: rgba(15, 23, 42, 0.95);
      font-size: 13px;
      color: var(--text-gray);
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

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

    .ticker-status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent-green);
      box-shadow: 0 0 10px var(--accent-green);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
      100% { opacity: 1; transform: scale(1); }
    }

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

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

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      font-size: 20px;
      letter-spacing: -0.5px;
      color: var(--text-white);
    }

    .brand-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #020617;
      font-weight: 900;
      font-size: 18px;
    }

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

    .nav-links a {
      font-size: 15px;
      color: var(--text-gray);
      transition: var(--transition);
      font-weight: 500;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--accent-green);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 15px;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      min-height: 44px;
    }

    .btn-primary {
      background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
      color: #020617;
      box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
    }

    .btn-primary:hover {
      box-shadow: 0 8px 25px rgba(16, 185, 129, 0.45);
      transform: translateY(-2px);
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.05);
      border-color: rgba(255, 255, 255, 0.15);
      color: var(--text-white);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: var(--accent-cyan);
    }

    .data-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 30px;
      background: rgba(16, 185, 129, 0.12);
      border: 1px solid rgba(16, 185, 129, 0.3);
      color: var(--accent-green);
      font-size: 13px;
      font-weight: 600;
      font-variant-numeric: tabular-nums;
    }

    /* 斜切色块首屏 (Hero) */
    .hero-section {
      position: relative;
      padding: 110px 0 140px;
      background: url('/assets/images/ef478f1514085729.png') center/cover no-repeat;
      overflow: hidden;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(2, 6, 23, 0.88) 100%);
    }

    .hero-slant {
      position: absolute;
      bottom: -60px;
      left: 0;
      width: 100%;
      height: 120px;
      background: var(--bg-surface);
      transform: skewY(-2deg);
      transform-origin: bottom right;
      z-index: 2;
    }

    .hero-content {
      position: relative;
      z-index: 3;
      max-width: 920px;
    }

    .hero-content h1 {
      font-size: 52px;
      line-height: 1.15;
      font-weight: 800;
      letter-spacing: -1px;
      margin-bottom: 24px;
      background: linear-gradient(180deg, #ffffff 30%, #cbd5e1 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 17px;
      line-height: 1.8;
      color: var(--text-gray);
      margin-bottom: 36px;
    }

    .hero-meta-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 48px;
    }

    .hero-stat-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      padding: 20px;
      border-radius: var(--radius-md);
      backdrop-filter: blur(8px);
    }

    .hero-stat-value {
      font-size: 32px;
      font-weight: 700;
      color: var(--accent-green);
      font-variant-numeric: tabular-nums;
    }

    .hero-stat-label {
      font-size: 13px;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* 通用板块规范 */
    .section-block {
      position: relative;
      padding: 96px 0;
      z-index: 3;
    }

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

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

    .section-header {
      margin-bottom: 56px;
    }

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

    .section-title {
      font-size: 36px;
      font-weight: 700;
      letter-spacing: -0.5px;
      margin-top: 14px;
      margin-bottom: 16px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-gray);
      line-height: 1.7;
    }

    /* 模块1: 平台产品体系介绍区 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .preview-box {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }

    .preview-img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      display: block;
    }

    .spec-table-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 24px;
    }

    .spec-item {
      padding: 18px 24px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .spec-tag {
      font-weight: 600;
      color: var(--accent-cyan);
    }

    /* 模块2: 指标看板核心优势 */
    .card-matrix-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .advantage-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .advantage-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 30px -10px rgba(16, 185, 129, 0.2);
      border-color: rgba(16, 185, 129, 0.4);
    }

    .adv-icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, rgba(30, 58, 138, 0.4), rgba(5, 150, 105, 0.2));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 20px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .adv-title {
      font-size: 20px;
      font-weight: 600;
      margin-bottom: 12px;
      color: var(--text-white);
    }

    .adv-desc {
      font-size: 14px;
      color: var(--text-gray);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    /* 模块3: 服务与热门方案矩阵 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .plan-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 40px 32px;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .plan-card.featured {
      border-color: var(--accent-green);
      background: linear-gradient(180deg, rgba(16, 185, 129, 0.08) 0%, rgba(30, 41, 59, 0.8) 100%);
    }

    .plan-title {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .plan-feat-list {
      list-style: none;
      margin: 28px 0;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .plan-feat-item {
      font-size: 14px;
      color: var(--text-gray);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .plan-feat-item::before {
      content: "✔";
      color: var(--accent-green);
      font-weight: bold;
    }

    /* 模块4: 深色赛事理念与对比矩阵 */
    .compare-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      background: rgba(15, 23, 42, 0.6);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 48px;
    }

    .compare-side {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .side-title {
      font-size: 20px;
      font-weight: 700;
      padding-bottom: 12px;
      border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    }

    .side-title.smart {
      border-bottom-color: var(--accent-green);
      color: var(--accent-green);
    }

    .compare-point {
      padding: 16px 20px;
      background: rgba(255, 255, 255, 0.02);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-gray);
    }

    .compare-point.highlight {
      background: rgba(16, 185, 129, 0.06);
      border-left: 3px solid var(--accent-green);
      color: var(--text-white);
    }

    /* 模块5: 赛事运营时段与排期调度卡 */
    .schedule-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .schedule-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }

    .schedule-time {
      font-size: 14px;
      color: var(--accent-gold);
      font-weight: 700;
      margin-bottom: 8px;
    }

    .schedule-name {
      font-size: 17px;
      font-weight: 600;
      margin-bottom: 12px;
    }

    /* 模块6: 里程碑与关键业务结果区 */
    .timeline-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .milestone-node {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
    }

    .milestone-year {
      font-size: 24px;
      font-weight: 800;
      color: var(--accent-cyan);
      margin-bottom: 8px;
      font-variant-numeric: tabular-nums;
    }

    /* 模块7: 平台专家与技术保障团队 */
    .team-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .team-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
    }

    .team-avatar {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      margin: 0 auto 16px;
      background: linear-gradient(135deg, #1e3a8a, #059669);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 32px;
    }

    .team-role {
      font-size: 13px;
      color: var(--accent-green);
      margin-bottom: 8px;
      font-weight: 600;
    }

    /* 模块8: 平台用户故事与典型场景 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .scenario-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }

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

    .scenario-body {
      padding: 24px;
    }

    /* 模块9: 实时运行数据统计条 */
    .stats-strip {
      background: linear-gradient(135deg, rgba(30, 58, 138, 0.4) 0%, rgba(5, 150, 105, 0.4) 100%);
      border: 1px solid rgba(16, 185, 129, 0.3);
      border-radius: var(--radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .strip-stat-val {
      font-size: 40px;
      font-weight: 800;
      color: #ffffff;
      font-variant-numeric: tabular-nums;
    }

    .strip-stat-lbl {
      font-size: 14px;
      color: var(--text-gray);
      margin-top: 6px;
    }

    /* 模块10: 用户运营口碑与反馈区 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .review-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 15px;
      line-height: 1.7;
      color: var(--text-gray);
      margin-bottom: 24px;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .reviewer-name {
      font-size: 15px;
      font-weight: 600;
    }

    .reviewer-corp {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 模块11: 动态赛事资讯与前沿动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .news-img {
      width: 100%;
      height: 190px;
      object-fit: cover;
    }

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

    .news-date {
      font-size: 12px;
      color: var(--accent-cyan);
      margin-bottom: 8px;
    }

    .news-headline {
      font-size: 18px;
      font-weight: 600;
      line-height: 1.5;
      margin-bottom: 12px;
    }

    /* 模块12: 快速解答与常见业务说明 (FAQ) */
    .faq-accordion {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .faq-item {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .faq-q {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-white);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .faq-q::before {
      content: "Q";
      color: var(--accent-green);
      font-weight: 800;
    }

    .faq-a {
      font-size: 14px;
      color: var(--text-gray);
      line-height: 1.7;
    }

    /* 模块13: 转化表单与最终 CTA (单个收口行动) */
    .conversion-card {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 58, 138, 0.5) 50%, rgba(5, 150, 105, 0.4) 100%);
      border: 1px solid rgba(16, 185, 129, 0.3);
      border-radius: var(--radius-lg);
      padding: 64px 48px;
    }

    .conv-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 48px;
      align-items: center;
    }

    .conv-info h2 {
      font-size: 36px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .conv-info p {
      font-size: 16px;
      color: var(--text-gray);
      line-height: 1.7;
    }

    .lead-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      background: rgba(2, 6, 23, 0.6);
      padding: 32px;
      border-radius: var(--radius-md);
      border: 1px solid var(--card-border);
    }

    .form-full {
      grid-column: span 2;
    }

    .input-field {
      width: 100%;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      color: var(--text-white);
      font-size: 14px;
      outline: none;
      transition: var(--transition);
    }

    .input-field:focus {
      border-color: var(--accent-green);
      background: rgba(255, 255, 255, 0.08);
    }

    /* 页脚 */
    .site-footer {
      background: #020617;
      border-top: 1px solid var(--card-border);
      padding: 80px 0 32px;
      color: var(--text-gray);
      font-size: 14px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 64px;
    }

    .footer-brand h4 {
      color: var(--text-white);
      font-size: 18px;
      margin-bottom: 16px;
    }

    .footer-links h5 {
      color: var(--text-white);
      font-size: 15px;
      margin-bottom: 18px;
    }

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

    .footer-links a:hover {
      color: var(--accent-green);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-content h1 { font-size: 40px; }
      .card-matrix-6, .service-grid, .news-grid, .review-grid, .scenario-grid { grid-template-columns: repeat(2, 1fr); }
      .schedule-grid, .timeline-wrap, .team-grid, .stats-strip { grid-template-columns: repeat(2, 1fr); }
      .conv-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .sys-ticker { display: none; }
      .nav-links { display: none; }
      .hero-section { padding: 60px 0 100px; }
      .hero-content h1 { font-size: 32px; }
      .hero-meta-grid { grid-template-columns: 1fr; }
      .intro-grid { grid-template-columns: 1fr; }
      .card-matrix-6, .service-grid, .news-grid, .review-grid, .scenario-grid { grid-template-columns: 1fr; }
      .compare-container { grid-template-columns: 1fr; padding: 24px; }
      .schedule-grid, .timeline-wrap, .team-grid, .stats-strip { grid-template-columns: 1fr; }
      .faq-accordion { grid-template-columns: 1fr; }
      .lead-form { grid-template-columns: 1fr; }
      .form-full { grid-column: span 1; }
      .footer-top { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    }