/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary-glow: 0 8px 32px rgba(168,85,247,0.5);
      --card-blur: blur(12px);
      --deep-bg: #0A0815;
      --card-border: rgba(168,85,247,0.2);
      --text-dim: #A5A3B0;
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background-color: var(--deep-bg);
      color: #FFFFFF;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    .container-custom {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    /* 自定义滚动条 */
    ::-webkit-scrollbar {
      width: 6px;
      background: #1E1B2E;
    }
    ::-webkit-scrollbar-thumb {
      background: #A855F7;
      border-radius: 8px;
    }
    /* 背景网格与光点 */
    .hero-bg-pattern {
      background-image: 
        linear-gradient(rgba(168,85,247,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(168,85,247,0.08) 1px, transparent 1px);
      background-size: 48px 48px;
      position: relative;
    }
    .hero-bg-pattern::after {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 70% 50%, rgba(168,85,247,0.15) 0%, transparent 60%);
      pointer-events: none;
    }
    .glow-dot {
      width: 4px;
      height: 4px;
      background: #22D3EE;
      border-radius: 50%;
      box-shadow: 0 0 12px #22D3EE;
      position: absolute;
      animation: float 6s infinite ease-in-out;
    }
    @keyframes float {
      0%, 100% { transform: translateY(0px); opacity: 0.7; }
      50% { transform: translateY(-18px); opacity: 1; }
    }
    @keyframes pulse-glow {
      0% { box-shadow: 0 0 5px #A855F7; }
      50% { box-shadow: 0 0 20px #A855F7, 0 0 8px #22D3EE; }
      100% { box-shadow: 0 0 5px #A855F7; }
    }
    @keyframes scan-line {
      0% { top: -10%; }
      100% { top: 110%; }
    }
    .scan-effect::before {
      content: '';
      position: absolute;
      left: 0;
      width: 100%;
      height: 2px;
      background: linear-gradient(90deg, transparent, #A855F7, #22D3EE, transparent);
      animation: scan-line 4s linear infinite;
      opacity: 0.6;
      z-index: 5;
      pointer-events: none;
    }
    /* 导航栏 */
    .navbar-glass {
      background: rgba(13, 11, 30, 0.75);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(168,85,247,0.25);
      transition: background 0.3s ease;
    }
    .nav-link {
      color: #D1D0E0;
      font-size: 0.9rem;
      font-weight: 500;
      transition: color 0.2s, text-shadow 0.2s;
      position: relative;
    }
    .nav-link:hover {
      color: #FFFFFF;
      text-shadow: 0 0 8px rgba(168,85,247,0.8);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0%;
      height: 2px;
      background: #A855F7;
      transition: width 0.3s;
    }
    .nav-link:hover::after {
      width: 100%;
    }
    /* 卡片悬浮 */
    .card-hover {
      transition: transform 0.3s, box-shadow 0.3s, border-color 0.2s;
      background: rgba(30,27,46,0.8);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(168,85,247,0.2);
      border-radius: 20px;
      box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    }
    .card-hover:hover {
      transform: translateY(-8px);
      border-color: #A855F7;
      box-shadow: 0 16px 40px rgba(168,85,247,0.35);
    }
    /* 数据徽章 */
    .stat-badge {
      background: rgba(30,27,46,0.9);
      border: 1px solid rgba(168,85,247,0.4);
      border-radius: 12px;
      backdrop-filter: blur(8px);
    }
    .gradient-text {
      background: linear-gradient(to right, #F59E0B, #22D3EE);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    /* 手风琴 */
    .faq-item {
      border: 1px solid rgba(168,85,247,0.2);
      border-radius: 16px;
      background: rgba(30,27,46,0.75);
      backdrop-filter: blur(8px);
      transition: all 0.3s;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-top: 0.8rem;
      padding-bottom: 1rem;
    }
    /* 移动端菜单 */
    .mobile-menu {
      display: none;
      flex-direction: column;
      background: rgba(13,11,30,0.96);
      backdrop-filter: blur(24px);
      position: absolute;
      top: 100%;
      left: 0;
      width: 100%;
      padding: 1.5rem;
      border-bottom: 1px solid #A855F7;
    }
    @media (max-width: 768px) {
      .desktop-nav-links {
        display: none;
      }
      .mobile-menu.active {
        display: flex;
      }
      .hero-container {
        flex-direction: column;
      }
      .stat-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-grid {
        grid-template-columns: 1fr;
      }
      .faq-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }