/* roulang page: index */
:root {
      --color-primary: #1E293B;
      --color-teal: #0D9488;
      --color-teal-light: #14B8A6;
      --color-amber: #F59E0B;
      --color-bg-alt: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #334155;
      background-color: #FFFFFF;
    }
    .custom-gradient-banner {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(13, 148, 136, 0.86) 100%);
    }
    .glass-pill {
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.25);
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    /* 解决平滑定位遮挡 */
    section {
      scroll-margin-top: 100px;
    }