/* roulang page: index */
:root {
      --primary-start: #FF5E3A;
      --primary-end: #FF2A54;
      --accent-green: #10B981;
      --bg-page: #FFFDFB;
      --card-border: rgba(226, 232, 240, 0.85);
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .gradient-brand {
      background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
    }
    .text-gradient {
      background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .border-gradient {
      border-image: linear-gradient(to right, #FF5E3A, #FF2A54) 1;
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 35px -10px rgba(255, 94, 58, 0.16), 0 10px 15px -3px rgba(0, 0, 0, 0.06);
    }