/* roulang page: index */
:root {
      --primary: #0F3A3A;
      --primary-dark: #081C1C;
      --accent: #10B981;
      --accent-cyan: #06B6D4;
      --bg-soft: #F4F7F6;
      --text-main: #0A1F1F;
      --text-muted: #334155;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-muted);
      overflow-x: hidden;
    }
    .custom-gradient-header {
      background: linear-gradient(135deg, #0F3A3A 0%, #134E4A 50%, #0A2E2E 100%);
    }
    .hero-glow {
      box-shadow: 0 0 50px -10px rgba(16, 185, 129, 0.25);
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 30px -10px rgba(15, 58, 58, 0.12);
      border-color: rgba(16, 185, 129, 0.4);
    }