:root {
  color-scheme: dark;
  font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif;
  background: #0d1014;
  color: #f3f5f7;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-width: 320px; }
.download-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
  background: #0d1014;
}
.download-content {
  width: min(680px, calc(100% - 40px));
  margin: auto;
  padding: 64px 0;
  border-top: 1px solid #303741;
  border-bottom: 1px solid #303741;
}
.brand { margin: 0 0 14px; color: #e7b34a; font-size: 13px; font-weight: 700; }
h1 { margin: 0; font-size: clamp(46px, 9vw, 82px); font-weight: 700; letter-spacing: 0; }
.release-state { min-height: 24px; margin: 18px 0 30px; color: #aab2bd; }
.download-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 20px;
  border: 1px solid #e7b34a;
  border-radius: 6px;
  background: #e7b34a;
  color: #17130b;
  font-weight: 700;
  text-decoration: none;
}
.download-button:hover { background: #f2c362; }
footer { padding: 20px; color: #68717d; text-align: center; font-size: 12px; }
@media (max-width: 520px) {
  .download-content { padding: 44px 0; }
}