/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #1A1A2E;
      --accent: #E94560;
      --secondary: #0F3460;
      --bg: #FAFAFA;
      --text: #1E1E2F;
      --text-soft: #5B5B6C;
      --border-light: rgba(0,0,0,0.06);
      --shadow-card: 0 4px 24px rgba(0,0,0,0.06);
      --shadow-hover: 0 12px 32px rgba(0,0,0,0.12);
      --radius-card: 16px;
      --radius-btn: 8px;
      --transition: 0.3s ease;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    @media (max-width: 768px) {
      .container {
        padding: 0 16px;
      }
    }
    /* 导航桌面毛玻璃 */
    .nav-glass {
      background: rgba(255,255,255,0.7);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0,0,0,0.03);
      transition: background 0.3s, box-shadow 0.3s;
    }
    .nav-scrolled {
      background: rgba(255,255,255,0.95);
      box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    }
    .nav-link {
      position: relative;
      font-weight: 500;
      color: #1A1A2E;
      transition: color 0.2s;
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0%;
      height: 2px;
      background: #E94560;
      transition: width 0.25s ease;
    }
    .nav-link.active::after,
    .nav-link:hover::after {
      width: 100%;
    }
    .nav-link.active {
      color: #E94560;
    }
    /* 移动底部胶囊导航 */
    .mobile-capsule-nav {
      background: white;
      box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
      border-radius: 40px 40px 0 0;
      padding: 8px 16px;
      display: flex;
      justify-content: space-around;
      align-items: center;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,0.92);
    }
    .mobile-capsule-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      font-size: 0.7rem;
      color: #5B5B6C;
      transition: color 0.2s;
      padding: 4px 10px;
      border-radius: 24px;
    }
    .mobile-capsule-item.active {
      color: white;
      background: #E94560;
      font-weight: 600;
    }
    .mobile-capsule-item i {
      font-size: 1.2rem;
      margin-bottom: 2px;
    }
    /* 卡片悬浮 */
    .card-hover {
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border-radius: var(--radius-card);
      background: white;
      box-shadow: var(--shadow-card);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    /* 按钮 */
    .btn-primary {
      background: #E94560;
      color: white;
      border-radius: var(--radius-btn);
      padding: 12px 28px;
      font-weight: 600;
      transition: background 0.3s, transform 0.2s;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 44px;
      min-height: 44px;
    }
    .btn-primary:hover {
      background: #C7364E;
      transform: scale(1.03);
    }
    .btn-ghost {
      border: 1px solid #0F3460;
      color: #0F3460;
      border-radius: var(--radius-btn);
      padding: 12px 28px;
      font-weight: 600;
      transition: background 0.3s, color 0.3s;
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .btn-ghost:hover {
      background: rgba(15,52,96,0.08);
    }
    /* 手风琴 */
    .faq-item {
      border-left: 4px solid transparent;
      transition: border-color 0.3s, background 0.2s;
    }
    .faq-item.active {
      border-left-color: #E94560;
      background: #f8f8fc;
    }
    /* 动态粒子背景 */
    .hero-particles {
      position: absolute;
      top:0; left:0; width:100%; height:100%;
      overflow: hidden;
      z-index: 0;
    }
    .particle {
      position: absolute;
      background: rgba(255,255,255,0.08);
      border-radius: 50%;
      animation: float 12s infinite ease-in-out;
    }
    @keyframes float {
      0% { transform: translateY(0px) rotate(0deg); opacity: 0.2; }
      50% { opacity: 0.5; transform: translateY(-30px) rotate(180deg); }
      100% { transform: translateY(0px) rotate(360deg); opacity: 0.2; }
    }
    h1, h2, h3 {
      letter-spacing: -0.02em;
    }
    .data-number {
      font-feature-settings: "tnum";
      font-weight: 700;
      color: #E94560;
    }
    @media (max-width: 768px) {
      .desktop-nav { display: none; }
      .mobile-nav-spacer { display: block; height: 70px; }
    }
    @media (min-width: 769px) {
      .mobile-capsule-nav { display: none; }
      .mobile-nav-spacer { display: none; }
    }