:root { color-scheme: light; font-family: Inter, "Microsoft YaHei", system-ui, sans-serif; color: #18211d; background: #f4f7f5; }
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
.topbar { height: 58px; padding: 0 7vw; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #dce5df; background: #fff; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { width: 30px; height: 30px; object-fit: contain; }
.brand strong { font-size: 17px; }
.topbar > span { color: #64736b; font-size: 13px; }
main { width: min(1120px, 88vw); margin: 0 auto; }
.download-band { min-height: 440px; display: grid; grid-template-columns: minmax(0, 1fr) 320px; align-items: center; gap: 70px; }
.eyebrow { margin: 0 0 10px; color: #087443; font-size: 14px; font-weight: 700; }
h1 { margin: 0; font-size: 52px; line-height: 1.12; letter-spacing: 0; }
.summary { max-width: 580px; margin: 18px 0 30px; color: #53625a; font-size: 18px; line-height: 1.7; }
.actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.download-button { min-height: 46px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; background: #078544; color: #fff; border-radius: 5px; text-decoration: none; font-weight: 700; }
.download-button:hover { background: #056d37; }
.download-button.disabled { pointer-events: none; background: #9ba9a1; }
#versionText { color: #68766e; font-size: 13px; }
.release-info { padding: 26px 0; display: grid; grid-template-columns: 88px 1fr; gap: 18px 16px; border-top: 1px solid #ccd8d1; border-bottom: 1px solid #ccd8d1; }
.release-info span { color: #738078; font-size: 13px; }
.release-info strong { font-size: 14px; }
.notes { padding: 34px 0 60px; border-top: 1px solid #dce5df; }
.notes h2 { margin: 0 0 18px; font-size: 20px; }
.notes ol { margin: 0; padding-left: 22px; color: #53625a; line-height: 2; }
#statusText { min-height: 20px; color: #a33b1f; font-size: 13px; }
@media (max-width: 760px) {
  main { width: min(92vw, 620px); }
  .download-band { min-height: 0; padding: 62px 0 42px; grid-template-columns: 1fr; gap: 42px; }
  h1 { font-size: 40px; }
  .summary { font-size: 16px; }
}