:root {
  --bg-page: #f4f6f8;
  --bg-card: #ffffff;
  --bg-soft: #f8fafc;
  --text-main: #1f2937;
  --text-sub: #475569;
  --text-muted: #64748b;
  --line: #dbe3ec;
  --primary: #0052d9;
  --primary-hover: #003ea8;
  --success: #0f8f5f;
  --error: #c0392b;
  --warning: #c27d00;
  --radius: 10px;
  --shadow-soft: 0 2px 8px rgba(15, 23, 42, 0.06);
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p,
dl,
dd,
dt,
ul,
li,
pre,
form {
  margin: 0;
  padding: 0;
}

ul {
  padding-left: 20px;
}