* { box-sizing: border-box; }
html, body, #app { height: 100%; margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: #f0f2f5;
  color: #182230;
}
.page-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}
.d2-icon-svg { display: inline-block; vertical-align: middle; }