/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    
    :root {
      --bg-deep: #0A0E17;
      --accent-blue: #00C2FF;
      --accent-purple: #7B2FFF;
      --glass-bg: rgba(255, 255, 255, 0.03);
      --glass-border: rgba(255, 255, 255, 0.06);
      --text-primary: #B0C4DE;
      --text-secondary: #6B7B8D;
      --success-green: #00E676;
      --warning-amber: #FFB300;
      --radius-card: 20px;
      --radius-btn: 50px;
      --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
      --shadow-glow-blue: 0 0 20px rgba(0, 194, 255, 0.4);
      --shadow-glow-purple: 0 0 18px rgba(123, 47, 255, 0.3);
    }

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

    body {
      font-family: 'Inter', 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background-color: var(--bg-deep);
      color: var(--text-primary);
      line-height: 1.7;
      font-weight: 400;
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
    }

    /* 自定义容器，与Tailwind配合 */
    .container-custom {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }

    @media (min-width: 640px) {
      .container-custom {
        padding-left: 2rem;
        padding-right: 2rem;
      }
    }

    /* 玻璃拟态卡片基础 */
    .glass-card {
      background: rgba(255, 255, 255, 0.03);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      transition: all 0.3s ease;
    }

    .glass-card:hover {
      border-color: rgba(0, 194, 255, 0.3);
      box-shadow: 0 0 24px rgba(0, 194, 255, 0.15);
      transform: translateY(-4px);
    }

    /* 导航栏玻璃效果 */
    .nav-glass {
      background: rgba(10, 14, 23, 0.8);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid transparent;
      background-image: linear-gradient(rgba(10,14,23,0.8), rgba(10,14,23,0.8)), linear-gradient(to right, #00C2FF, transparent);
      background-origin: border-box;
      background-clip: padding-box, border-box;
      border-bottom: 1px solid rgba(0,194,255,0.2);
    }

    .nav-scrolled {
      background: rgba(10, 14, 23, 0.95);
      border-bottom-color: rgba(0,194,255,0.4);
    }

    /* 按钮样式 */
    .btn-primary {
      background: linear-gradient(135deg, #00C2FF, #7B2FFF);
      color: #FFFFFF;
      padding: 0.875rem 2.5rem;
      border-radius: var(--radius-btn);
      font-weight: 600;
      letter-spacing: 0.05em;
      box-shadow: 0 0 20px rgba(0, 194, 255, 0.4);
      border: none;
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }

    .btn-primary:hover {
      box-shadow: 0 0 32px rgba(0, 194, 255, 0.6);
      transform: scale(1.04);
    }

    .btn-outline {
      background: transparent;
      border: 2px solid rgba(0, 194, 255, 0.5);
      color: #00C2FF;
      padding: 0.875rem 2.5rem;
      border-radius: var(--radius-btn);
      font-weight: 600;
      backdrop-filter: blur(8px);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      letter-spacing: 0.05em;
    }

    .btn-outline:hover {
      border-color: #00C2FF;
      background: rgba(0, 194, 255, 0.08);
      box-shadow: 0 0 16px rgba(0, 194, 255, 0.2);
    }

    /* 文本渐变发光 */
    .text-glow-blue {
      background: linear-gradient(135deg, #00C2FF, #7B2FFF);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    /* 输入框样式 */
    .input-glass {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 12px;
      padding: 0.875rem 1.25rem;
      color: #fff;
      transition: all 0.2s;
      width: 100%;
    }

    .input-glass:focus {
      outline: none;
      border-color: #00C2FF;
      box-shadow: 0 0 12px rgba(0, 194, 255, 0.3);
      background: rgba(255,255,255,0.05);
    }

    .input-glass::placeholder {
      color: #6B7B8D;
    }

    /* 手风琴动画 */
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-top: 1rem;
      padding-bottom: 0.5rem;
    }

    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }

    /* 背景网格动画 */
    .hero-bg-grid {
      background-image: 
        linear-gradient(rgba(0,194,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,194,255,0.03) 1px, transparent 1px);
      background-size: 60px 60px;
    }

    /* 移动端菜单 */
    .mobile-menu {
      transition: opacity 0.3s ease, visibility 0.3s;
    }
    .mobile-menu.hidden {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
    }