/* roulang page: index */
:root {
      --deep-blue: #0A0E27;
      --dark-panel: #111836;
      --card-bg: #1A1F3A;
      --gold-light: #F0E6D0;
      --gold: #C8A951;
      --red-accent: #E53E3E;
      --text-weak: #A0A5C0;
      --border-subtle: rgba(200, 169, 81, 0.15);
      --border-gold: rgba(200, 169, 81, 0.5);
      --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
      --container-max: 1280px;
      --radius-card: 12px;
      --radius-btn: 6px;
      --transition: 0.25s ease;
    }

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

    body {
      font-family: var(--font-sans);
      background-color: var(--deep-blue);
      color: var(--gold-light);
      line-height: 1.7;
      font-size: 16px;
      font-weight: 400;
      -webkit-font-smoothing: antialiased;
      font-feature-settings: "tnum";
    }

    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }

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

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

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

    /* 导航栏 */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      background: rgba(10, 14, 39, 0.92);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(200, 169, 81, 0.2);
      z-index: 100;
      padding: 0 24px;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      max-width: var(--container-max);
      margin: 0 auto;
      height: 70px;
    }

    .logo {
      font-size: 24px;
      font-weight: 700;
      letter-spacing: 0.5px;
      background: linear-gradient(180deg, #F0E6D0 0%, #C8A951 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .nav-menu {
      display: flex;
      gap: 32px;
      align-items: center;
    }

    .nav-menu a {
      font-size: 16px;
      font-weight: 500;
      color: var(--gold-light);
      position: relative;
      padding: 8px 0;
      transition: color var(--transition);
    }

    .nav-menu a:hover,
    .nav-menu a.active {
      color: var(--gold);
    }

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

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

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 6px;
      cursor: pointer;
      background: none;
      border: none;
      padding: 4px;
    }

    .hamburger span {
      width: 28px;
      height: 2px;
      background: var(--gold-light);
      transition: var(--transition);
    }

    .mobile-menu {
      display: none;
    }

    /* 区块间距 */
    section {
      padding: 90px 0;
    }

    /* Hero */
    .hero {
      padding: 140px 0 100px;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      position: relative;
    }

    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(10,14,39,0.85) 0%, rgba(10,14,39,0.5) 100%);
    }

    .hero .container {
      display: flex;
      align-items: center;
      gap: 60px;
      position: relative;
      z-index: 2;
    }

    .hero-left {
      flex: 1;
    }

    .hero-left h1 {
      font-size: 48px;
      font-weight: 700;
      letter-spacing: -0.5px;
      line-height: 1.2;
      color: #fff;
      margin-bottom: 24px;
    }

    .hero-sub {
      font-size: 18px;
      color: var(--gold-light);
      margin-bottom: 40px;
      max-width: 500px;
    }

    .btn-group {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }

    .btn-primary {
      background: var(--gold);
      color: var(--deep-blue);
      font-weight: 600;
      padding: 14px 32px;
      border-radius: var(--radius-btn);
      border: none;
      cursor: pointer;
      transition: background var(--transition), color var(--transition);
      display: inline-block;
    }

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

    .btn-outline {
      background: transparent;
      border: 1px solid var(--gold);
      color: var(--gold);
      padding: 14px 32px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: background var(--transition), color var(--transition);
    }

    .btn-outline:hover {
      background: var(--gold);
      color: var(--deep-blue);
    }

    .hero-right {
      flex: 1;
      background: rgba(26, 31, 58, 0.7);
      backdrop-filter: blur(12px);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-card);
      padding: 30px;
    }

    .live-badge {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 20px;
      color: var(--red-accent);
      font-weight: 600;
    }

    .live-dot {
      width: 10px;
      height: 10px;
      background: var(--red-accent);
      border-radius: 50%;
      display: inline-block;
      animation: pulse 1.4s infinite;
    }

    @keyframes pulse {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.6; transform: scale(1.2); }
      100% { opacity: 1; transform: scale(1); }
    }

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

    .team {
      text-align: center;
    }

    .team img {
      width: 56px;
      height: 56px;
      object-fit: contain;
      margin: 0 auto 8px;
      border-radius: 50%;
      background: #1e2440;
      padding: 4px;
    }

    .team-name {
      font-weight: 600;
      color: var(--gold-light);
    }

    .score {
      font-size: 40px;
      font-weight: 700;
      color: var(--gold);
      font-feature-settings: "tnum";
      margin: 0 8px;
    }

    .vs-divider {
      color: var(--text-weak);
      font-size: 18px;
    }

    /* 数据看板 */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .stat-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 32px 24px;
      text-align: center;
      border: 1px solid transparent;
      transition: border var(--transition), transform var(--transition);
    }

    .stat-card:hover {
      border-color: var(--border-gold);
      transform: translateY(-4px);
    }

    .stat-number {
      font-size: 40px;
      font-weight: 700;
      color: var(--gold);
      font-feature-settings: "tnum";
      display: block;
    }

    .stat-label {
      color: var(--text-weak);
      margin-top: 8px;
    }

    /* 服务矩阵 */
    .section-title {
      font-size: 36px;
      font-weight: 700;
      text-align: center;
      margin-bottom: 48px;
      color: #fff;
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--card-bg);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-card);
      padding: 32px;
      transition: border var(--transition), transform var(--transition);
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .service-card:hover {
      border-color: var(--border-gold);
      transform: translateY(-6px);
    }

    .service-icon {
      font-size: 40px;
      color: var(--gold);
    }

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

    .service-card p {
      color: var(--text-weak);
      font-size: 16px;
    }

    /* 比分对比 */
    .matchups {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      justify-content: center;
    }

    .matchup-card {
      background: var(--card-bg);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-card);
      padding: 32px 24px;
      display: flex;
      align-items: center;
      gap: 24px;
      transition: border var(--transition);
      flex: 1 1 300px;
      max-width: 400px;
      justify-content: center;
    }

    .matchup-card:hover {
      border-color: var(--border-gold);
    }

    .team-side {
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .team-side img {
      width: 48px;
      height: 48px;
      object-fit: contain;
      margin-bottom: 8px;
    }

    .match-score {
      font-size: 36px;
      font-weight: 700;
      color: var(--gold);
      font-feature-settings: "tnum";
    }

    .winner-underline {
      text-decoration: underline;
      text-decoration-color: var(--gold);
      text-underline-offset: 6px;
    }

    .update-tag {
      display: flex;
      align-items: center;
      gap: 6px;
      color: #68D391;
      font-size: 14px;
      margin-top: 16px;
      justify-content: center;
    }

    .green-dot {
      width: 8px;
      height: 8px;
      background: #68D391;
      border-radius: 50%;
      display: inline-block;
    }

    /* FAQ */
    .faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      border-bottom: 1px solid rgba(200,169,81,0.2);
      padding: 20px 0;
      cursor: pointer;
    }

    .faq-question {
      font-weight: 600;
      font-size: 18px;
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--gold-light);
      transition: color var(--transition);
    }

    .faq-question::before {
      content: '';
      width: 4px;
      height: 20px;
      background: var(--gold);
      display: inline-block;
      border-radius: 2px;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s;
      color: var(--text-weak);
      font-size: 15px;
      padding-left: 20px;
    }

    .faq-item.active .faq-answer {
      max-height: 120px;
      padding-top: 12px;
    }

    /* CTA */
    .cta-section {
      background: var(--dark-panel);
    }

    .cta-box {
      max-width: 600px;
      margin: 0 auto;
      text-align: center;
    }

    .cta-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 32px;
    }

    .cta-form input {
      background: #0f132a;
      border: 1px solid #2A2F4A;
      border-radius: var(--radius-btn);
      padding: 14px 18px;
      color: white;
      outline: none;
      transition: border var(--transition);
    }

    .cta-form input:focus {
      border-color: var(--gold);
    }

    .cta-form button {
      background: var(--gold);
      color: var(--deep-blue);
      font-weight: 700;
      padding: 14px;
      border: none;
      border-radius: var(--radius-btn);
      cursor: pointer;
      transition: background var(--transition);
    }

    .cta-form button:hover {
      background: var(--red-accent);
      color: white;
    }

    /* 页脚 */
    .site-footer {
      background: var(--deep-blue);
      border-top: 1px solid rgba(200,169,81,0.2);
      padding: 48px 0 24px;
      color: #6B7194;
    }

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

    .footer-logo {
      font-size: 22px;
      font-weight: 700;
      background: linear-gradient(180deg, #F0E6D0, #C8A951);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .footer-links a {
      display: block;
      color: #6B7194;
      margin-bottom: 8px;
      transition: color var(--transition);
    }

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

    .copyright {
      text-align: center;
      font-size: 14px;
      border-top: 1px solid rgba(255,255,255,0.05);
      padding-top: 24px;
    }

    @media (max-width: 1024px) {
      .hero .container {
        flex-direction: column;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
      }
      .hamburger {
        display: flex;
      }
      .mobile-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: #0A0E27;
        flex-direction: column;
        padding: 32px;
        gap: 24px;
        z-index: 99;
      }
      .mobile-menu.open {
        display: flex;
      }
      .mobile-menu a {
        font-size: 20px;
        color: var(--gold-light);
        font-weight: 500;
      }
      .stats-grid {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .hero-left h1 {
        font-size: 32px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }