/* roulang page: index */
:root {
  --bg-deep: #0A0F1E;
  --bg-card: rgba(255,255,255,0.03);
  --text-light: #FFFFFF;
  --text-muted: rgba(255,255,255,0.6);
  --accent-cyan: #00E5FF;
  --accent-orange: #FF3D00;
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-main); background: var(--bg-deep); color: var(--text-light); line-height: 1.6; }
svg { width: auto; height: auto; }