:root{color-scheme:light;--ink:#142033;--muted:#536073;--line:#dce1e8;--paper:#f5f7fa}
*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font:16px/1.65 "Microsoft YaHei","Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:5px}a:focus-visible{outline:3px solid #426c9b;outline-offset:5px}
header{min-height:80px;max-width:1280px;margin:auto;padding:20px 32px;display:flex;align-items:center;gap:32px;border-bottom:1px solid var(--line)}header .brand{font-size:22px;font-weight:600}nav{display:flex;gap:28px;margin-left:auto}header>a:last-child{font-size:14px;color:var(--muted)}
main{max-width:1280px;margin:auto;padding:72px 32px}.intro{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}h1{font-size:32px;line-height:1.15;letter-spacing:-.035em;margin:0 0 24px;font-weight:600}.lead{font-size:25px;line-height:1.45;margin:0 0 24px;font-weight:500}.description{max-width:38ch;color:var(--muted);margin:0 0 28px}.version{font-size:14px;margin:0 0 16px;color:var(--muted)}.download{display:inline-flex;gap:32px;justify-content:space-between;align-items:center;min-height:52px;padding:12px 24px;border-radius:6px;background:#142033;color:#fff;font-weight:600}.download:hover{background:#27384e;text-decoration:none}.size{font-size:14px;color:var(--muted);margin:12px 0 0}figure{margin:0}figure img{width:100%;height:auto;display:block;border-radius:8px;border:1px solid var(--line)}figcaption{font-size:13px;color:var(--muted);margin-top:12px}
.details{margin-top:72px;padding-top:40px;border-top:1px solid var(--line);display:grid;grid-template-columns:1.1fr .9fr;gap:80px}h2{margin:0 0 20px;font-size:22px;line-height:1.3;font-weight:600}ul{padding-left:20px;margin:0}li{margin-bottom:10px}dl{margin:0 0 24px}dl>div{display:grid;grid-template-columns:80px 1fr;padding:8px 0}dt{color:var(--muted)}dd{margin:0;font-variant-numeric:tabular-nums}article>p>a{color:#315a83;text-decoration:underline;text-underline-offset:4px}.note{font-size:14px;color:var(--muted);max-width:52ch;margin-top:24px}footer{max-width:1280px;margin:auto;border-top:1px solid var(--line);padding:24px 32px 32px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:14px}
@media(max-width:900px){main{padding:48px 28px}.intro{grid-template-columns:1fr;gap:36px}.description{max-width:52ch}.details{gap:40px;margin-top:48px}h1{font-size:32px}}
@media(max-width:600px){header{padding:16px 20px;gap:16px;flex-wrap:wrap}header .brand{font-size:20px}header>a:last-child{margin-left:auto}nav{order:3;width:100%;margin:0;gap:22px;font-size:14px}main{padding:40px 20px}h1{font-size:28px}.lead{font-size:22px}.details{grid-template-columns:1fr;gap:36px}.download{width:100%}footer{padding:24px 20px;flex-direction:column;gap:8px}figcaption{font-size:12px}}