/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --deep-green: #0A1A1A;
      --table-green: #0D2B2B;
      --card-bg: #1E2A3A;
      --primary-purple: #6C5CE7;
      --neon-cyan: #00F0FF;
      --white: #FFFFFF;
      --light-gray: #B0C4DE;
      --border-glow: rgba(108, 92, 231, 0.3);
      --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
      --shadow-glow: 0 12px 40px rgba(108, 92, 231, 0.25);
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --transition: 0.3s ease;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', system-ui, -apple-system, sans-serif;
      background-color: var(--deep-green);
      color: var(--light-gray);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      scroll-behavior: smooth;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 玻璃拟态卡片 */
    .glass-card {
      background: rgba(30, 42, 58, 0.6);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .glass-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
    }
    /* 发光按钮 */
    .btn-primary {
      background: linear-gradient(135deg, #6C5CE7, #00F0FF);
      color: #FFFFFF;
      font-weight: 600;
      padding: 12px 32px;
      border-radius: 50px;
      border: none;
      box-shadow: 0 0 20px rgba(108, 92, 231, 0.6);
      transition: all var(--transition);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      letter-spacing: 0.5px;
    }
    .btn-primary:hover {
      transform: scale(1.05);
      box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
    }
    .btn-outline {
      background: transparent;
      border: 1px solid var(--neon-cyan);
      color: var(--neon-cyan);
      font-weight: 600;
      padding: 12px 32px;
      border-radius: 50px;
      transition: all var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-outline:hover {
      background: rgba(0, 240, 255, 0.1);
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
      transform: scale(1.02);
    }
    /* 导航 */
    .nav-link {
      color: var(--light-gray);
      font-weight: 500;
      transition: color var(--transition), border-bottom var(--transition);
      position: relative;
      padding: 4px 0;
      font-size: 1rem;
    }
    .nav-link:hover {
      color: var(--white);
    }
    .nav-link.active {
      color: var(--white);
      background: rgba(108, 92, 231, 0.2);
      border-radius: 20px;
      padding: 6px 16px;
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary-purple);
      transition: width var(--transition);
    }
    .nav-link:hover::after {
      width: 100%;
    }
    /* 移动端菜单 */
    #mobile-menu {
      background: rgba(10, 26, 26, 0.95);
      backdrop-filter: blur(16px);
    }
    /* Hero背景纹理 */
    .hero-bg {
      background: radial-gradient(circle at 20% 30%, rgba(108, 92, 231, 0.15) 0%, transparent 60%), 
                  repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 2px, transparent 2px, transparent 8px);
      background-color: var(--deep-green);
    }
    /* 数据数字发光 */
    .stat-number {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--neon-cyan);
      text-shadow: 0 0 20px rgba(0,240,255,0.5);
      line-height: 1.2;
    }
    /* FAQ手风琴 */
    .faq-question {
      background: rgba(30, 42, 58, 0.7);
      border: 1px solid rgba(108, 92, 231, 0.25);
      border-radius: var(--radius-md);
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background var(--transition);
      font-weight: 600;
      color: var(--white);
    }
    .faq-question:hover {
      background: rgba(30, 42, 58, 0.9);
    }
    .faq-answer {
      background: rgba(20, 32, 42, 0.6);
      border-left: 2px solid var(--primary-purple);
      margin-top: 4px;
      padding: 16px 24px;
      border-radius: 0 0 var(--radius-md) var(--radius-md);
      color: var(--light-gray);
      display: none;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      color: var(--neon-cyan);
    }
    /* CTA呼吸光效 */
    @keyframes breathe {
      0% { box-shadow: 0 0 20px rgba(108, 92, 231, 0.6); }
      50% { box-shadow: 0 0 35px rgba(0, 240, 255, 0.9); }
      100% { box-shadow: 0 0 20px rgba(108, 92, 231, 0.6); }
    }
    .cta-glow {
      animation: breathe 2.5s infinite ease-in-out;
    }
    footer a {
      color: var(--light-gray);
      transition: color var(--transition);
    }
    footer a:hover {
      color: var(--neon-cyan);
    }
    /* 响应式调整 */
    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }
      .stat-number {
        font-size: 2.8rem;
      }
    }