/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    
    :root {
      --primary-deep: #0A0E27;
      --primary-glow: #00F0FF;
      --accent-neon: #FF3CAC;
      --card-bg: rgba(255, 255, 255, 0.04);
      --card-border: rgba(0, 240, 255, 0.15);
      --text-soft: #F0F2FA;
      --text-dim: #9CA3AF;
      --shadow-glow: 0 0 24px rgba(0, 240, 255, 0.3);
      --radius-lg: 16px;
      --radius-btn: 12px;
      --transition-smooth: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

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

    body {
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
      background: radial-gradient(circle at 30% 10%, #141B3A 0%, #0A0E27 85%);
      color: #F0F2FA;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      scroll-behavior: smooth;
    }

    /* 玻璃拟态卡片 */
    .glass-card {
      background: rgba(255, 255, 255, 0.03);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(0, 240, 255, 0.15);
      border-radius: var(--radius-lg);
      box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
      transition: var(--transition-smooth);
    }
    .glass-card:hover {
      border-color: rgba(0, 240, 255, 0.45);
      box-shadow: 0 20px 35px -12px rgba(0, 240, 255, 0.18);
      transform: translateY(-4px);
    }

    /* 按钮系统 */
    .btn-primary {
      background: linear-gradient(135deg, #00F0FF 0%, #00C2FF 100%);
      color: #0A0E27;
      font-weight: 700;
      border-radius: var(--radius-btn);
      padding: 14px 34px;
      border: none;
      cursor: pointer;
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      letter-spacing: 0.5px;
      box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
    }
    .btn-primary:hover {
      box-shadow: var(--shadow-glow);
      transform: scale(1.04);
      background: linear-gradient(135deg, #33F5FF 0%, #33D4FF 100%);
    }

    .btn-outline {
      background: transparent;
      border: 1.5px solid #00F0FF;
      color: #00F0FF;
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 14px 34px;
      cursor: pointer;
      transition: var(--transition-smooth);
      backdrop-filter: blur(8px);
    }
    .btn-outline:hover {
      background: rgba(0, 240, 255, 0.08);
      border-color: #FF3CAC;
      color: #FF3CAC;
      box-shadow: 0 0 20px rgba(255, 60, 172, 0.4);
    }

    /* 发光脉冲 */
    @keyframes glowPulse {
      0% { box-shadow: 0 0 12px rgba(0, 240, 255, 0.5); }
      50% { box-shadow: 0 0 28px rgba(255, 60, 172, 0.7), 0 0 14px rgba(0, 240, 255, 0.6); }
      100% { box-shadow: 0 0 12px rgba(0, 240, 255, 0.5); }
    }
    .glow-cta {
      animation: glowPulse 2.4s infinite ease-in-out;
    }

    /* 导航浮动Dock */
    .nav-dock {
      background: rgba(10, 14, 39, 0.78);
      backdrop-filter: blur(25px);
      -webkit-backdrop-filter: blur(25px);
      border: 1px solid rgba(0, 240, 255, 0.2);
      border-radius: 40px;
      padding: 8px 28px;
      box-shadow: 0 12px 35px rgba(0, 0, 0, 0.6);
    }
    .nav-link {
      color: #ccd6f0;
      font-weight: 500;
      transition: 0.2s;
      position: relative;
    }
    .nav-link:hover {
      color: #00F0FF;
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0%;
      height: 2px;
      background: #FF3CAC;
      transition: 0.25s;
    }
    .nav-link:hover::after {
      width: 100%;
    }

    /* 价格卡高亮 */
    .pricing-highlight {
      border: 2px solid #00F0FF;
      background: rgba(0, 240, 255, 0.06);
      box-shadow: 0 0 30px rgba(0, 240, 255, 0.25);
      transform: scale(1.02);
    }
    .badge-popular {
      background: #FF3CAC;
      color: white;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 5px 16px;
      border-radius: 20px;
      letter-spacing: 0.8px;
    }

    /* 手风琴 */
    .faq-item {
      border-bottom: 1px solid rgba(0, 240, 255, 0.2);
      transition: 0.3s;
    }
    .faq-item button {
      width: 100%;
      text-align: left;
      padding: 22px 0;
      font-weight: 600;
      font-size: 1.15rem;
      color: #F0F2FA;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: transparent;
      border: none;
      cursor: pointer;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.3s;
      color: #b0b9d6;
      padding: 0 0;
    }
    .faq-item.active .faq-answer {
      max-height: 180px;
      padding-bottom: 20px;
    }
    .faq-item.active i {
      transform: rotate(180deg);
      color: #FF3CAC;
    }

    /* 数据大字 */
    .data-metric {
      font-size: 2.6rem;
      font-weight: 800;
      color: #FF3CAC;
      line-height: 1.2;
    }

    @media (max-width: 768px) {
      .mobile-bottom-dock {
        position: fixed;
        bottom: 12px;
        left: 20px;
        right: 20px;
        background: rgba(10, 14, 39, 0.9);
        backdrop-filter: blur(28px);
        border-radius: 32px;
        padding: 12px 22px;
        display: flex;
        justify-content: space-around;
        border: 1px solid rgba(0, 240, 255, 0.3);
        z-index: 999;
      }
      .desktop-nav {
        display: none;
      }
    }