@font-face {
  font-family: "Noto Sans SC";
  src: url("/downloads/windows/cdn-0.2.1/NotoSansSC-subset.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
:root {
  --cream: #fbf9f3;
  --ink: #293340;
  --muted: #63707c;
  --coral-text: #bc3e32;
  --tint: #ffe8de;
  --color-bg-surface: #fff;
  --color-text-on-primary: #fff;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-xl: 24px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: "Noto Sans SC", "Microsoft YaHei UI", "PingFang SC", sans-serif; font-size: 14px; line-height: 21px; }
p, h1, h2, h3 { margin: 0; }
a { color: var(--coral-text); text-underline-offset: 3px; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--coral-text); outline-offset: 4px; }
.site-header, main { width: min(1152px, calc(100% - 128px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-xl); min-height: 48px; margin-top: 32px; }
.brand { display: flex; align-items: center; gap: var(--spacing-md); }
.brand strong, h3 { font-size: 20px; line-height: 28px; font-weight: 700; }
.brand span, .site-header nav { font-size: 12px; line-height: 18px; }
.brand span { color: var(--muted); }
.site-header nav a { display: flex; align-items: center; min-height: 44px; text-decoration: none; }
main { display: flex; flex-direction: column; gap: 32px; margin-top: 48px; padding-bottom: 64px; }
.download-section { display: grid; grid-template-columns: minmax(0, 624fr) minmax(0, 432fr); gap: 96px; align-items: center; }
.introduction { display: flex; flex-direction: column; gap: var(--spacing-md); }
.eyebrow { color: var(--coral-text); }
h1 { font-size: 44px; line-height: 60px; font-weight: 700; }
.description { font-size: 16px; line-height: 24px; color: var(--muted); }
.muted { color: var(--muted); }
.small, .step-number { font-size: 12px; line-height: 18px; }
h2 { font-size: 24px; line-height: 34px; font-weight: 700; }
.download-panel { display: flex; flex-direction: column; gap: var(--spacing-sm); padding: 32px; border-radius: 18px; background: var(--color-bg-surface); }
.download-button { display: flex; align-items: center; justify-content: center; min-height: 52px; border-radius: 18px; background: var(--coral-text); color: var(--color-text-on-primary); font-size: 16px; line-height: 24px; font-weight: 500; text-decoration: none; text-align: center; padding: 12px; }
.download-button:hover { filter: brightness(.95); }
.download-button[aria-disabled="true"] { opacity: .65; cursor: default; }
hr { margin: 0; border: 0; border-top: 1px solid var(--tint); width: 100%; }
.availability { color: var(--coral-text); }
.availability button { margin-top: 8px; min-height: 44px; padding: 8px 12px; border: 1px solid var(--coral-text); border-radius: 10px; background: var(--color-bg-surface); color: var(--coral-text); font: inherit; cursor: pointer; }
.availability button:disabled { cursor: wait; }
.installation { display: flex; flex-direction: column; gap: 20px; scroll-margin-top: 32px; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--spacing-xl); margin: 0; padding: 0; list-style: none; }
.steps li { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.steps p { color: var(--muted); overflow-wrap: anywhere; }
.step-number { color: var(--coral-text); }
.running-notes { display: flex; flex-direction: column; gap: var(--spacing-sm); border-top: 1px solid var(--tint); padding-top: 12px; color: var(--muted); }
@media (max-width: 1000px) {
  .site-header, main { width: calc(100% - 64px); }
  .download-section { grid-template-columns: minmax(0, 1fr) minmax(320px, 1fr); gap: 32px; }
}
@media (max-width: 760px) {
  .site-header, main { width: calc(100% - 48px); }
  .site-header { align-items: flex-start; gap: 12px; margin-top: 24px; }
  .brand { flex-direction: column; align-items: flex-start; gap: 4px; }
  .site-header nav { flex-shrink: 0; }
  main { margin-top: 32px; }
  .download-section { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  h1 { font-size: 36px; line-height: 48px; }
  .download-panel { padding: 24px; }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}
@media (max-width: 350px) {
  .site-header, main { width: calc(100% - 32px); }
  .brand strong { font-size: 17px; }
  .download-panel { padding: 20px; }
}