/* roulang page: index */
:root {
      --color-primary: #0a192f;
      --color-primary-dark: #07111e;
      --color-accent: #00f5d4;
      --color-accent-hover: #10b981;
      --color-surface: #f4f6f9;
      --color-text-main: #1e293b;
      --color-text-muted: #64748b;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--color-text-main);
      background-color: #ffffff;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .watermark-img {
      object-fit: cover;
      transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .watermark-img:hover {
      transform: scale(1.025);
    }
    .glow-cyan {
      box-shadow: 0 0 25px rgba(0, 245, 212, 0.2);
    }
    .glow-card:hover {
      box-shadow: 0 12px 30px -10px rgba(0, 245, 212, 0.15);
      border-color: rgba(0, 245, 212, 0.4);
    }
    /* 自定义表单聚焦环 */
    input:focus, textarea:focus, select:focus {
      outline: none;
      border-color: #00f5d4;
      box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.2);
    }
    details summary::-webkit-details-marker {
      display:none;
    }