/* roulang page: index */
:root {
      --deep-blue: #0A0E27;
      --electric-purple: #7C3AED;
      --purple-dark: #5B21B6;
      --cyan-glow: #00F0FF;
      --warm-gold: #F59E0B;
      --text-light: #E2E8F0;
      --text-muted: #94A3B8;
      --card-bg: rgba(255, 255, 255, 0.03);
      --card-border: rgba(124, 58, 237, 0.15);
      --border-subtle: rgba(255, 255, 255, 0.06);
      --radius-card: 20px;
      --radius-tag: 12px;
      --radius-pill: 60px;
      --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.25);
      --transition-smooth: 0.3s ease;
    }
    * {
      box-sizing: border-box;
    }
    body {
      background-color: var(--deep-blue);
      color: var(--text-light);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
      margin: 0;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container-custom {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 悬浮胶囊导航 */
    .navbar-capsule {
      position: fixed;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1050;
      width: 92vw;
      max-width: 720px;
      background: rgba(10, 14, 39, 0.85);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-pill);
      border: 1px solid rgba(124, 58, 237, 0.2);
      padding: 8px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    }
    .logo-text {
      font-weight: 800;
      font-size: 1.4rem;
      background: linear-gradient(135deg, var(--cyan-glow), var(--electric-purple));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: -0.3px;
    }
    .nav-links {
      display: flex;
      gap: 20px;
      align-items: center;
    }
    .nav-link-item {
      color: var(--text-muted);
      font-weight: 500;
      font-size: 0.95rem;
      transition: color 0.2s;
      position: relative;
    }
    .nav-link-item:hover {
      color: var(--cyan-glow);
    }
    .nav-link-item.active {
      color: var(--cyan-glow);
    }
    .nav-link-item.active::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 50%;
      transform: translateX(-50%);
      width: 16px;
      height: 3px;
      background: var(--cyan-glow);
      border-radius: 4px;
    }
    .cta-micro {
      background: linear-gradient(135deg, var(--electric-purple), var(--purple-dark));
      color: white;
      border-radius: 40px;
      padding: 8px 20px;
      font-weight: 600;
      font-size: 0.9rem;
      transition: all 0.25s;
      border: none;
      cursor: pointer;
    }
    .cta-micro:hover {
      filter: brightness(1.2);
      box-shadow: 0 0 18px rgba(124,58,237,0.6);
      color: white;
    }
    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      color: var(--cyan-glow);
      font-size: 1.8rem;
      line-height: 1;
    }
    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .navbar-capsule {
        padding: 8px 18px;
      }
      .logo-text {
        font-size: 1.2rem;
      }
    }
    /* Hero */
    .hero-section {
      min-height: 100vh;
      display: flex;
      align-items: center;
      background: radial-gradient(circle at 30% 40%, rgba(124,58,237,0.18) 0%, #0A0E27 75%);
      position: relative;
      overflow: hidden;
    }
    .hero-grid {
      display: flex;
      align-items: center;
      gap: 40px;
      flex-wrap: wrap;
    }
    .hero-left {
      flex: 1 1 400px;
    }
    .hero-right {
      flex: 1 1 400px;
      display: flex;
      justify-content: center;
    }
    .hero-image {
      border-radius: var(--radius-card);
      border: 1px solid rgba(0,240,255,0.3);
      box-shadow: 0 0 45px rgba(124,58,237,0.35);
      width: 100%;
      max-width: 500px;
      height: auto;
    }
    h1 {
      font-size: 3.8rem;
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -0.02em;
      color: white;
      margin-bottom: 1.2rem;
    }
    .highlight {
      color: var(--cyan-glow);
    }
    .hero-sub {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 480px;
      margin-bottom: 2rem;
    }
    .btn-primary-glow {
      background: linear-gradient(135deg, var(--electric-purple), var(--purple-dark));
      border: none;
      border-radius: 50px;
      padding: 0.85rem 2.2rem;
      font-weight: 600;
      color: white;
      font-size: 1.15rem;
      transition: all 0.3s;
      box-shadow: 0 4px 14px rgba(124,58,237,0.4);
      display: inline-block;
    }
    .btn-primary-glow:hover {
      filter: brightness(1.15);
      box-shadow: 0 0 25px rgba(124,58,237,0.7);
      transform: scale(1.03);
      color: white;
    }
    .btn-outline-cyan {
      background: transparent;
      border: 1px solid var(--cyan-glow);
      color: var(--cyan-glow);
      border-radius: 50px;
      padding: 0.75rem 2rem;
      font-weight: 600;
      transition: 0.25s;
      margin-top: 12px;
      display: inline-block;
    }
    .btn-outline-cyan:hover {
      background: rgba(0,240,255,0.08);
      color: var(--cyan-glow);
    }
    @media (max-width: 992px) {
      h1 {
        font-size: 2.8rem;
      }
      .hero-grid {
        flex-direction: column;
        text-align: center;
      }
      .hero-left {
        order: 1;
      }
      .hero-right {
        order: 0;
        margin-bottom: 20px;
      }
      .hero-sub {
        max-width: 100%;
      }
    }
    /* 区块标题 */
    .section-title {
      font-size: 2.6rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      margin-bottom: 2.5rem;
      color: white;
    }
    @media (max-width: 768px) {
      .section-title {
        font-size: 2rem;
      }
    }
    /* 卡片通用 */
    .card-esports {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-card);
      padding: 2.5rem;
      transition: all var(--transition-smooth);
      height: 100%;
    }
    .card-esports:hover {
      border-color: var(--electric-purple);
      box-shadow: var(--shadow-glow);
      transform: translateY(-5px);
    }
    .data-badge {
      background: rgba(0,240,255,0.08);
      border: 1px solid rgba(0,240,255,0.25);
      border-radius: var(--radius-tag);
      padding: 6px 14px;
      display: inline-flex;
      align-items: baseline;
      gap: 6px;
    }
    .badge-number {
      color: var(--cyan-glow);
      font-weight: 800;
      font-size: 2rem;
      line-height: 1;
    }
    .badge-label {
      color: var(--warm-gold);
      font-weight: 600;
      font-size: 0.8rem;
      letter-spacing: 0.5px;
    }
    /* 证言卡片 */
    .testimonial-card {
      background: rgba(255,255,255,0.02);
      border-left: 4px solid var(--electric-purple);
      border-radius: 12px;
      padding: 2rem;
    }
    .avatar-circle {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      border: 2px solid var(--electric-purple);
      background: #2d2f45;
    }
    /* FAQ */
    .accordion-button {
      background: rgba(255,255,255,0.02);
      color: var(--text-light);
      font-weight: 600;
      border-radius: 12px !important;
      border: none;
      padding: 1.2rem 1.5rem;
      transition: 0.2s;
    }
    .accordion-button:not(.collapsed) {
      background: rgba(124,58,237,0.1);
      color: var(--cyan-glow);
      border-left: 4px solid var(--cyan-glow);
    }
    .accordion-item {
      background: transparent;
      border: 1px solid rgba(255,255,255,0.04);
      margin-bottom: 12px;
      border-radius: 12px;
    }
    /* CTA 深色区 */
    .cta-dark {
      background: radial-gradient(circle at center, rgba(124,58,237,0.25) 0%, #0A0E27 80%);
    }
    footer {
      color: #64748B;
    }