:root{color-scheme:light;--blue:#0868ed;--ink:#102c50;--muted:#526e8b;--line:#d6e4f2}*{box-sizing:border-box}body{margin:0;background:#f4f9ff;color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}main{max-width:1184px;margin:auto;padding:28px 36px 0}header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:26px;border-bottom:1px solid var(--line)}a{color:inherit}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:26px;font-weight:650;color:#00479b}.brand img{object-fit:contain}.header-label,.subtle{color:var(--muted);font-size:14px}.hero{display:grid;grid-template-columns:1fr 450px;gap:76px;align-items:center;padding:76px 0}.eyebrow{margin:0 0 20px;color:#4273a7;font-size:13px;letter-spacing:.12em}.intro h1{margin:0;font-size:clamp(42px,5.4vw,66px);line-height:1.25;letter-spacing:-.04em}.intro h1 span{color:var(--blue)}.lead{margin:28px 0;color:var(--muted);font-size:18px;line-height:1.9}.capabilities{display:flex;gap:22px;padding-top:16px;color:#385d82;font-size:14px}.capabilities span+span{border-left:1px solid #bed1e5;padding-left:22px}.download{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:0 12px 36px #00479b08}.platform{display:block;color:var(--blue);font-size:12px;font-weight:650;letter-spacing:.16em}.download h2{margin:10px 0 6px;font-size:28px}.download .subtle{margin:0}#status{min-height:24px;margin:22px 0 10px;font-size:13px;color:var(--muted)}.download-button{display:flex;align-items:center;justify-content:space-between;min-height:54px;padding:12px 18px;background:var(--blue);color:#fff;border-radius:8px;text-decoration:none;font-weight:600}.download-button:hover{background:#0058d2}.download-button[aria-disabled=true]{opacity:.5;pointer-events:none}dl{margin:24px 0 20px;font-size:13px}dl div{display:flex;justify-content:space-between;gap:20px;padding:6px 0}dt{color:var(--muted)}dd{margin:0;overflow-wrap:anywhere;text-align:right}.hint{margin:0;padding-top:18px;border-top:1px solid var(--line);font-size:13px;line-height:1.8;color:var(--muted)}.details{display:grid;grid-template-columns:1fr 450px;gap:76px;border-top:1px solid var(--line);padding:36px 0 48px}.details h2{font-size:19px;margin:0 0 14px}.details .eyebrow{margin:0 0 10px;font-size:11px}.details ul{padding-left:20px;margin:0;color:var(--muted);font-size:14px}.details li{margin:8px 0}.checksum code{display:block;padding:14px;background:#eaf3ff;color:#315b86;border:1px solid #d6e4f2;border-radius:6px;overflow-wrap:anywhere;font-size:12px;line-height:1.8}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px;padding:22px 0}button{font:inherit;border:1px solid var(--line);padding:8px 16px;color:var(--blue);background:#fff;border-radius:6px;margin-top:12px;cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid #76aefd;outline-offset:4px}[hidden]{display:none!important}@media(max-width:900px){.hero,.details{grid-template-columns:1fr;gap:36px}.hero{padding:42px 0}.intro h1{font-size:48px}.download{max-width:540px;width:100%}.details{padding:30px 0}main{padding:20px 22px 0}}@media(max-width:480px){.header-label{font-size:12px}.brand{font-size:23px}.brand img{width:40px;height:40px}.intro h1{font-size:42px}.lead{font-size:16px}.download{padding:24px}.capabilities{gap:14px}.capabilities span+span{padding-left:14px}footer{flex-direction:column;gap:5px}}