* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --primary: #3a9d5d;
  --primary-soft: #e6f4ec;
  --text: #1f2329;
  --text-2: #6b7280;
  --text-3: #9aa0a6;
  --danger: #e5534b;
  --line: #ececf0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --radius: 12px;
  --radius-sm: 8px;
}
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; font-size: 15px; }
a { text-decoration: none; color: inherit; }