:root{color-scheme:light;--ink:#24384d;--muted:#6f8298;--blue:#2468c4;--line:#dce6f1;--paper:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#f5f8fc;color:var(--ink)}*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-decoration:none}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #76aaff;outline-offset:4px}.download-header{height:88px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1120px)/2));gap:20px}.brand{display:flex;align-items:center;gap:20px;color:var(--ink);font-size:18px;font-weight:650}.brand img{width:106px;height:50px;object-fit:contain}.web-link{font-size:14px;white-space:nowrap}main{max-width:1120px;margin:auto;padding:68px 24px 56px}.intro{text-align:center}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:650;color:#7890aa}.intro h1{font-size:44px;letter-spacing:-1px;line-height:1.3;margin:20px 0}.intro p{font-size:17px;line-height:1.8;color:var(--muted);margin:0}.release{font-size:13px;color:var(--muted);margin-top:23px}.release-notice{margin:28px 0 -5px;background:#fff8e9;border:1px solid #f0dfb9;border-radius:12px;padding:15px 20px;font-size:14px;line-height:1.8;color:#86602c}.release-notice.is-error{background:#fff1f1;border-color:#f0cccc;color:#9a3c3c}.release-notice button{background:none;border:0;color:var(--blue);font:inherit;margin-left:10px;cursor:pointer}.platforms{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:36px}.platform-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:30px;min-width:0}.platform-head{display:flex;align-items:center;justify-content:space-between}.platform-icon{font:42px/1 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--blue)}.tag{font-size:12px;padding:6px 10px;border-radius:7px;background:#edf3fa;color:#627994}.tag.preview{background:#fff3db;color:#956a25}.tag.stable{background:#e8f5ef;color:#257454}.platform-card h2{font-size:25px;line-height:1.2;margin:22px 0 12px}.requirements,.package{font-size:14px;color:var(--muted);line-height:1.7;margin:8px 0}.package{margin-bottom:22px}.download-button{display:flex;justify-content:center;align-items:center;min-height:48px;border-radius:10px;background:var(--blue);color:#fff;font-size:15px;font-weight:600;padding:12px 18px;margin-top:10px}.download-button.secondary{color:var(--blue);background:#edf4ff}.download-button[aria-disabled=true]{background:#edf1f6;color:#91a0b2;cursor:default}.package-note{font-size:13px;line-height:1.7;color:var(--muted);margin-bottom:0}.checksum{font-size:12px;color:var(--muted);margin-top:18px}.checksum summary{cursor:pointer}.checksum code{display:block;word-break:break-all;margin-top:12px;font-size:11px;line-height:1.6}.install{margin-top:68px}.section-heading{text-align:center}.section-heading h2,.questions h2{font-size:24px;margin:12px 0 28px}.install ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.install li{display:flex;gap:14px;padding-top:22px;border-top:1px solid var(--line)}.install li>span{font-size:12px;font-weight:650;line-height:28px;color:#85a0bd}.install h3{font-size:16px;line-height:1.7;margin:0 0 10px}.install p,.questions p{font-size:14px;line-height:1.9;margin:0;color:var(--muted)}.questions{margin-top:58px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px}.questions h2{font-size:20px;margin:0 0 8px}.questions details{padding:17px 0;border-top:1px solid #edf1f6}.questions details:first-of-type{border-top:0}.questions summary{font-size:14px;font-weight:550;cursor:pointer}.questions p{margin:12px 0 0;max-width:850px}footer{max-width:1072px;border-top:1px solid var(--line);margin:auto;padding:25px 0 32px;color:var(--muted);font-size:12px;display:flex;gap:20px}footer a{margin-left:auto}[hidden]{display:none!important}@media(max-width:680px){.download-header{height:72px;padding:0 20px}.brand{gap:10px;font-size:15px}.brand img{width:74px;height:42px}.web-link{font-size:12px}main{padding:40px 18px}.intro h1{font-size:30px;letter-spacing:0}.intro p{font-size:15px}.eyebrow{font-size:9px;letter-spacing:1.4px}.platforms{grid-template-columns:1fr;gap:18px;margin-top:28px}.platform-card{padding:24px}.install{margin-top:44px}.install ol{grid-template-columns:1fr;gap:22px}.section-heading h2{font-size:22px}.questions{margin-top:36px;padding:22px}footer{margin:0 18px;padding:22px 0;gap:10px;flex-wrap:wrap}footer span{display:none}}