/* ===== Reset & Variables ===== */
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
  --primary:#1677ff;
  --primary-light:#e6f4ff;
  --primary-dark:#0958d9;
  --success:#52c41a;
  --warning:#faad14;
  --danger:#ff4d4f;
  --text:#1f1f1f;
  --text-secondary:#666;
  --text-light:#999;
  --border:#d9d9d9;
  --border-light:#f0f0f0;
  --bg:#f5f5f5;
  --card:#fff;
  --radius-sm:2px;
  --radius:4px;
  --radius-lg:6px;
  --shadow:0 1px 2px rgba(0,0,0,0.04);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  --fs-xs:12px;--fs-sm:13px;--fs-body:15px;--fs-title:16px;--fs-lg:18px;--fs-xl:22px;
  --safe-bottom:env(safe-area-inset-bottom,0px)
}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:var(--fs-body);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden
}
a{color:var(--primary);text-decoration:none}