:root {
  color: #17191d;
  background: #f6f7f9;
  font-family: Inter, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
a { color: inherit; }

.site-header, main, footer {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #dedfe3;
}

.brand { display: inline-flex; align-items: center; gap: 10px; color: #17191d; font-size: 19px; font-weight: 700; text-decoration: none; }
.brand img { border-radius: 9px; }
.channel { color: #565c66; font-size: 14px; }

.intro { padding: 92px 0 64px; }
.eyebrow, .section-label { margin: 0; color: #59636f; font-size: 12px; font-weight: 700; letter-spacing: 0; }
h1 { max-width: 720px; margin: 14px 0 16px; font-size: 54px; line-height: 1.08; letter-spacing: 0; }
.lead { max-width: 600px; margin: 0; color: #4a515c; font-size: 20px; line-height: 1.6; }

.release-panel { margin-top: 44px; background: #fff; border: 1px solid #dedfe3; border-radius: 8px; box-shadow: 0 12px 35px rgb(23 25 29 / 6%); overflow: hidden; }
.release-main { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 30px 32px; }
.release-label { margin: 0 0 8px; color: #59636f; font-size: 14px; }
h2 { margin: 0; font-size: 28px; letter-spacing: 0; }
h2 span { display: inline-block; margin-left: 8px; padding: 4px 8px; border-radius: 4px; color: #9c4009; background: #fff1e8; font-size: 13px; vertical-align: 4px; }
.release-meta { margin: 10px 0 0; color: #59636f; font-size: 14px; line-height: 1.5; }
.download-button { display: inline-flex; flex: none; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 12px 18px; border-radius: 6px; background: #126848; color: #fff; font-weight: 700; text-decoration: none; }
.download-button:hover { background: #095438; }
.download-button svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }
.compatibility-note { padding: 15px 32px; border-top: 1px solid #e9eaed; background: #fbfbfc; color: #535a65; font-size: 14px; line-height: 1.55; }
.compatibility-note strong { color: #252a31; }

.content-grid { display: grid; grid-template-columns: 1.28fr .72fr; gap: 24px; padding: 18px 0 68px; }
.install-guide, .integrity-panel { padding: 28px 30px; background: #fff; border: 1px solid #dedfe3; border-radius: 8px; }
ol { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 24px; }
li { display: grid; grid-template-columns: 28px 1fr; gap: 14px; }
li > span { display: grid; width: 28px; height: 28px; place-items: center; border-radius: 50%; background: #e3f1ea; color: #0a5a3c; font-size: 13px; font-weight: 700; }
li strong { font-size: 16px; }
li p, .integrity-panel > p, .details p { margin: 6px 0 0; color: #535a65; font-size: 14px; line-height: 1.65; }
.integrity-panel { display: flex; flex-direction: column; }
.integrity-panel > .section-label { margin-bottom: 16px; }
code { display: block; margin-top: 20px; padding: 13px; overflow-wrap: anywhere; border: 1px solid #dedfe3; border-radius: 5px; background: #f6f7f9; color: #303740; font: 12px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; }
.integrity-actions { display: flex; flex-wrap: wrap; gap: 12px 18px; margin-top: 18px; align-items: center; }
button, .integrity-actions a { color: #0a5a3c; font: inherit; font-size: 14px; font-weight: 700; }
button { padding: 0; border: 0; background: transparent; cursor: pointer; }
.copy-status { min-height: 20px; margin: 12px 0 0; color: #59636f; font-size: 13px; }

.details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; padding: 32px 0 78px; border-top: 1px solid #dedfe3; }
.document-links { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.document-links a { color: #0a5a3c; font-size: 14px; font-weight: 700; }
footer { padding: 24px 0 40px; border-top: 1px solid #dedfe3; color: #717782; font-size: 13px; }

@media (max-width: 760px) {
  .site-header, main, footer { width: min(100% - 32px, 1120px); }
  .site-header { height: 72px; }
  .intro { padding: 58px 0 42px; }
  h1 { font-size: 38px; }
  .lead { font-size: 17px; }
  .release-main { align-items: stretch; flex-direction: column; padding: 24px; }
  .download-button { width: 100%; }
  .compatibility-note { padding: 15px 24px; }
  .content-grid, .details { grid-template-columns: 1fr; gap: 18px; }
  .content-grid { padding-bottom: 48px; }
  .install-guide, .integrity-panel { padding: 24px; }
  .details { padding: 28px 0 54px; }
}