/* roulang page: index */
:root {
      --primary-green: #00E599;
      --accent-blue: #0075FF;
      --bg-deep: #0B0F14;
      --bg-card: #121820;
      --bg-elevated: #18222D;
      --text-main: #FFFFFF;
      --text-muted: #94A3B8;
      --text-dark: #64748B;
      --border-subtle: rgba(255, 255, 255, 0.08);
      --border-hover: rgba(0, 229, 153, 0.4);
    }
    
    body {
      background-color: var(--bg-deep);
      color: var(--text-muted);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }

    /* 锚点滚动避让 */
    section {
      scroll-margin-top: 108px;
    }

    .glass-nav {
      background: rgba(11, 15, 20, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-subtle);
    }

    .glow-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      transition: all 0.25s ease-in-out;
    }
    .glow-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-2px);
      box-shadow: 0 10px 25px -5px rgba(0, 229, 153, 0.08);
    }

    .btn-glow {
      background-color: var(--primary-green);
      color: #06090C;
      font-weight: 600;
      transition: all 0.2s ease-in-out;
    }
    .btn-glow:hover {
      box-shadow: 0 0 20px rgba(0, 229, 153, 0.5);
      transform: translateY(-2px);
    }

    .btn-outline {
      border: 1px solid rgba(255, 255, 255, 0.16);
      color: #FFFFFF;
      transition: all 0.2s ease;
    }
    .btn-outline:hover {
      border-color: var(--primary-green);
      color: var(--primary-green);
      background: rgba(0, 229, 153, 0.04);
    }

    .mono-num {
      font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    }

    /* 自定义表单聚焦 */
    .form-input-control {
      background: #0D1219;
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: #FFF;
      transition: border-color 0.2s ease;
    }
    .form-input-control:focus {
      border-color: var(--primary-green);
      outline: none;
    }