/* roulang page: index */
:root {
      --primary-color: #0052CC;
      --primary-dark: #0A2E5C;
      --accent-color: #10B981;
      --bg-light: #F8FAFC;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #334155;
      background-color: #F8FAFC;
      line-height: 1.75;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(6, 24, 46, 0.92) 0%, rgba(10, 46, 92, 0.88) 100%), url('/assets/images/e69ce6c3d62cfaee.webp') center/cover no-repeat;
    }
    .case-bg {
      background: linear-gradient(180deg, #06182E 0%, #0A2E5C 100%);
    }
    .badge-blur {
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-transition:hover {
      transform: translateY(-4px);
    }