/* roulang page: index */
:root {
      --color-brand-dark: #0B1B2B;
      --color-brand-navy: #0F2F4A;
      --color-brand-deep: #060D17;
      --color-brand-accent: #00E599;
      --color-brand-cyan: #00B4D8;
      --color-brand-orange: #FF5C00;
      --color-surface: #F4F7FA;
    }
    body {
      background-color: var(--color-surface);
      color: #1e293b;
      line-height: 1.8;
      overflow-x: hidden;
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    }
    .pulse-glow {
      box-shadow: 0 0 15px rgba(0, 229, 153, 0.4);
    }
    .text-balance-custom {
      text-wrap: balance;
    }
    .grid-pattern {
      background-size: 30px 30px;
      background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    }