/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');

    :root {
      --primary: #B026FF;
      --primary-glow: #C350FF;
      --accent: #00F0FF;
      --bg-deep: #0A0A0C;
      --bg-card: #1A1C23;
      --text-white: #FFFFFF;
      --text-cool: #B0B8C1;
      --text-dim: #6B7280;
      --border-subtle: rgba(0, 240, 255, 0.1);
      --border-active: rgba(0, 240, 255, 0.5);
      --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.5);
      --radius-md: 12px;
      --radius-sm: 8px;
      --transition-smooth: all 0.3s ease-in-out;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Inter', 'Noto Sans SC', sans-serif;
      background-color: var(--bg-deep);
      color: var(--text-cool);
      line-height: 1.7;
      margin: 0;
      font-weight: 400;
      -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, .font-display {
      font-family: 'Montserrat', 'Noto Sans SC', sans-serif;
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    .text-gradient {
      background: linear-gradient(135deg, #B026FF 0%, #FFFFFF 85%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .accent-glow {
      box-shadow: 0 0 20px rgba(176, 38, 255, 0.6);
    }

    .border-accent-glow {
      border-color: var(--accent);
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
    }

    /* 导航模糊玻璃效果 */
    .nav-glass {
      background: rgba(10, 10, 12, 0.8);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(0, 240, 255, 0.15);
    }

    /* 卡片悬停动效 */
    .card-hover {
      transition: var(--transition-smooth);
      background-color: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
    }
    .card-hover:hover {
      border-color: var(--accent);
      transform: translateY(-6px);
      box-shadow: var(--shadow-card);
    }

    /* 按钮样式 */
    .btn-primary {
      background-color: var(--primary);
      color: white;
      border-radius: var(--radius-sm);
      padding: 0.75rem 2rem;
      font-weight: 600;
      transition: var(--transition-smooth);
      display: inline-block;
      text-align: center;
      border: none;
      cursor: pointer;
      letter-spacing: 0.5px;
    }
    .btn-primary:hover {
      background-color: var(--primary-glow);
      box-shadow: 0 0 24px rgba(176, 38, 255, 0.7);
      color: white;
    }

    .btn-outline {
      background: transparent;
      border: 2px solid var(--accent);
      color: var(--accent);
      border-radius: var(--radius-sm);
      padding: 0.75rem 2rem;
      font-weight: 600;
      transition: var(--transition-smooth);
      display: inline-block;
      text-align: center;
      cursor: pointer;
    }
    .btn-outline:hover {
      background-color: var(--accent);
      color: var(--bg-deep);
      border-color: var(--accent);
    }

    /* FAQ 折叠面板 */
    .faq-item {
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .faq-question {
      cursor: pointer;
      transition: var(--transition-smooth);
      color: var(--text-white);
      font-weight: 600;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s ease;
      color: var(--text-cool);
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
      padding-bottom: 1.5rem;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--accent);
    }

    /* 粒子背景容器 */
    .hero-canvas {
      position: absolute;
      top:0;
      left:0;
      width:100%;
      height:100%;
      z-index:0;
    }

    /* 自定义动画 */
    @keyframes fadeInUp {
      0% { opacity: 0; transform: translateY(30px); }
      100% { opacity: 1; transform: translateY(0); }
    }
    .animate-fade-in {
      animation: fadeInUp 0.9s ease forwards;
    }

    /* 移动端适配 */
    @media (max-width: 768px) {
      h1 {
        font-size: 2.8rem !important;
        line-height: 1.2 !important;
      }
      h2 {
        font-size: 2.2rem !important;
      }
    }