/* roulang page: index */
:root {
      --primary: #F95721;
      --secondary: #131B2E;
      --deep: #0B0F19;
      --accent: #10B981;
      --bg-light: #F8FAFC;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      line-height: 1.75;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(11, 15, 25, 0.92) 0%, rgba(19, 27, 46, 0.88) 100%), url('/assets/images/ca8cd75fc20decdc.jpg') center/cover no-repeat;
    }
    .check-tag {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.16);
      backdrop-filter: blur(8px);
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -8px rgba(19, 27, 46, 0.08);
    }
    .dark-glow {
      box-shadow: 0 0 40px -10px rgba(249, 87, 33, 0.25);
    }