/* roulang page: index */
:root {
      --primary: #0F172A;
      --secondary: #0284C7;
      --accent: #10B981;
      --warning: #F97316;
      --bg-base: #FFFFFF;
      --bg-alt: #F8FAFC;
      --bg-dark: #0B0F19;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-line: #E2E8F0;
      --radius-card: 16px;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Segoe UI", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-base);
      -webkit-font-smoothing: antialiased;
      scroll-behavior: smooth;
    }
    .custom-radial-glow {
      background: radial-gradient(circle at 50% 30%, rgba(2, 132, 199, 0.18) 0%, rgba(15, 23, 42, 0) 70%);
    }
    .card-hover-effect {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.08);
    }
    /* 进度环动态样式 */
    .progress-ring-circle {
      stroke-dasharray: 440;
      stroke-dashoffset: 88;
      transform: rotate(-90deg);
      transform-origin: 50% 50%;
      transition: stroke-dashoffset 1s ease-in-out;
    }