:root {
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: #172033;
  background: #eef4fb;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
  background:
    radial-gradient(circle at 15% 15%, rgba(53, 126, 246, .12), transparent 34%),
    radial-gradient(circle at 88% 82%, rgba(20, 184, 166, .12), transparent 32%),
    #f6f9fd;
}
.card {
  width: min(680px, 100%);
  padding: 38px;
  border: 1px solid rgba(205, 218, 235, .8);
  border-radius: 20px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 24px 70px rgba(31, 65, 114, .14);
}
.brand { color: #2869dc; font-weight: 750; letter-spacing: .04em; }
h1 { margin: 13px 0 10px; font-size: clamp(26px, 5vw, 36px); }
h2 { margin: 0 0 12px; font-size: 16px; }
.lead { color: #5b687d; line-height: 1.75; }
.feature-grid { display: grid; gap: 12px; margin: 26px 0; }
.feature-grid article, .scope-panel {
  padding: 18px;
  border: 1px solid #e1e8f2;
  border-radius: 12px;
  background: #fbfdff;
}
.feature-grid strong, li strong { display: block; margin-bottom: 4px; }
.feature-grid span, li span { color: #667085; font-size: 14px; line-height: 1.55; }
ul { margin: 0; padding: 0; list-style: none; }
li { padding: 10px 0; border-top: 1px solid #edf1f6; }
li:first-child { border-top: 0; }
.notice { margin: 18px 0; padding: 13px 15px; border-radius: 9px; background: #f1f6fd; color: #536176; }
.status { margin: 0; color: #667085; }
a { color: #2869dc; }
.actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 24px; }
button { min-width: 118px; padding: 11px 18px; border: 0; border-radius: 9px; font-size: 15px; cursor: pointer; }
.primary { color: white; background: #2869dc; }
.secondary { color: #475467; background: #e9eef5; }
.error { padding: 12px; border-radius: 8px; color: #a4262c; background: #fff1f2; }
@media (max-width: 560px) {
  .card { padding: 26px 20px; }
  .actions { flex-direction: column-reverse; }
  button { width: 100%; }
}