:root {
  --brand-name: "MarkWave";
  --brand-tagline: "AI Workflow Studio";
  --brand-description: "AI 工作流与技术服务";
  --bg: #F7F9FF;
  --panel: rgba(255, 255, 255, 0.82);
  --text: #1D2B4F;
  --muted: #65708D;
  --line: rgba(110, 136, 255, 0.16);
  --primary: #4B6BFF;
  --secondary: #6A39FF;
  --cyan: #5FDCFF;
  --header-bg: rgba(255, 255, 255, 0.76);
  --hero-glow: radial-gradient(circle at center, rgba(79, 179, 255, 0.62), rgba(90, 103, 255, 0.26) 42%, rgba(255,255,255,0) 72%);
  --section-dark: linear-gradient(135deg, #0D1A7A 0%, #1228A8 42%, #0F1773 100%);
  --card-grad-a: linear-gradient(135deg, #EDF5FF 0%, #D6ECFF 44%, #B8F1FF 100%);
  --card-grad-b: linear-gradient(135deg, #F1F5FF 0%, #DEF0FF 46%, #CAE4FF 100%);
  --card-grad-c: linear-gradient(135deg, #F0F0FF 0%, #DDD8FF 42%, #CFBAFF 100%);
  --wave: linear-gradient(90deg, #6D45FF 0%, #5768FF 48%, #4CC9FF 100%);
  --shadow-lg: 0 30px 90px rgba(82, 104, 255, 0.20);
  --shadow-md: 0 16px 40px rgba(73, 104, 224, 0.16);
  --shadow-sm: 0 10px 20px rgba(72, 91, 180, 0.10);
  --radius-xl: 36px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100% - 40px));
  --font-sans: Inter, PingFang SC, Noto Sans SC, Microsoft YaHei, sans-serif;
  --font-display: Inter, PingFang SC, Noto Sans SC, Microsoft YaHei, sans-serif;
}