:root{--canvas:#F7F7F7;--surface:#FFFFFF;--surface-soft:#F0F0F0;--surface-muted:#EAEAEA;--ink:#1F1F1F;--muted:#747474;--subtle:#9B9B9B;--line:#E1E1E1;--line-strong:#D4D4D4;--radius-panel:28px;--radius-control:16px;--radius-pill:999px;--shadow-soft:0 18px 44px rgba(24,24,24,.06);font-family:"Segoe UI Variable","Segoe UI","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--canvas)}
*{box-sizing:border-box}
body{margin:0;min-width:320px;line-height:1.55}
a{color:inherit}
.skip-link{position:fixed;top:-5rem;left:1rem;padding:12px;background:var(--ink);color:var(--surface);z-index:10}
.skip-link:focus{top:1rem}
.site-header{max-width:840px;margin:auto;padding:28px 32px}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:760;letter-spacing:-.04em;text-decoration:none}
.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--surface);border:1px solid var(--line);font-size:13px}
main{max-width:840px;margin:auto;padding:24px 32px 40px}
.release-panel{display:grid;grid-template-columns:minmax(0,1fr);padding:48px;border:1px solid var(--line);border-radius:var(--radius-panel);background:var(--surface);box-shadow:var(--shadow-soft)}
.eyebrow{margin:0 0 16px;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.1em}
h1{margin:0;font-size:clamp(32px,5vw,48px);line-height:1.15;letter-spacing:-.045em;overflow-wrap:anywhere}
.release-meta{margin:16px 0 28px;color:var(--muted);font-size:14px;overflow-wrap:anywhere}
.download-button,button{border:0;border-radius:var(--radius-control);background:var(--ink);color:var(--surface);font:inherit;cursor:pointer;min-height:52px;padding:14px 18px;text-decoration:none}
.download-button{position:relative;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:3px;width:fit-content;max-width:100%;padding-right:62px;font-weight:650}
.download-button small{font-size:12px;font-weight:400;color:#CFCFCF;overflow-wrap:anywhere}
.download-arrow{position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:22px}
.download-button:hover:not(.is-disabled),button:hover:not(:disabled){background:#353535}
.download-button.is-disabled,button:disabled{background:var(--surface-muted);color:var(--muted);cursor:not-allowed}
.download-button.is-disabled small{color:var(--muted)}
.download-status{margin:12px 0 0;color:var(--muted);font-size:12px}
.release-error[hidden]{display:none}
.release-error{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px;padding:16px;background:var(--surface-soft);border-radius:var(--radius-control)}
.release-error p{margin:0;font-size:14px}
.release-error button{flex-shrink:0;font-size:14px}
.release-notes{margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
h2{margin:0;font-size:18px;font-weight:650}
.release-notes ul{padding-left:20px;margin:16px 0 0;color:#505050;font-size:14px;overflow-wrap:anywhere}
.release-notes li+li{margin-top:8px}
.sha-details{margin-top:32px;padding-top:24px;border-top:1px solid var(--line);min-width:0}
summary{cursor:pointer;color:var(--muted);font-size:13px;width:fit-content;max-width:100%;padding:8px 0}
code{display:block;margin:12px 0 16px;padding:14px;background:var(--surface-soft);border-radius:10px;font:12px/1.7 Consolas,monospace;overflow-wrap:anywhere;word-break:break-all}
.sha-control{background:var(--surface-soft);color:var(--ink);font-size:13px;border:1px solid var(--line)}
.sha-control:hover:not(:disabled){background:var(--surface-muted)}
.sha-feedback{min-height:20px;font-size:12px;color:var(--muted)}
footer{text-align:center;margin-top:28px;color:var(--muted);font-size:12px}
:focus-visible{outline:2px solid var(--ink);outline-offset:4px}
@media(max-width:620px){.site-header{padding:20px}.brand-mark{width:30px;height:30px}main{padding:12px 16px 28px}.release-panel{grid-template-columns:1fr;padding:28px 22px;border-radius:23px}.eyebrow{font-size:10px}.release-meta{font-size:13px}.download-button,button{width:100%;min-height:52px}.download-button{padding-left:16px;padding-right:42px}.download-button small{font-size:11px}.download-arrow{right:14px}.release-error{flex-direction:column;align-items:stretch}.release-notes{margin-top:28px}.sha-details{margin-top:28px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}