:root{--bg:#f3f5f1;--ink:#203b37;--muted:#526a63;--accent:#087d64;--accent-hover:#06624e;--surface:rgba(255,255,255,.66);--line:rgba(36,70,61,.12);--edge:rgba(255,255,255,.9);--soft:#e7eee8;--badge:#dcefe4;--shadow:0 24px 70px -28px rgba(28,65,51,.25);--gut:64px;--radius:24px;--nav:88px}
html[data-theme=night]{--bg:#141c1b;--ink:#e9f1ed;--muted:#abbfb6;--accent:#a7e6cd;--accent-hover:#c1f2dd;--surface:rgba(39,52,48,.7);--line:rgba(214,239,224,.13);--edge:rgba(212,239,225,.12);--soft:#24332e;--badge:#284d3f;--shadow:0 24px 70px -28px rgba(0,0,0,.55)}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;-webkit-font-smoothing:antialiased}body::before{content:"";position:absolute;z-index:-1;inset:0 0 auto;height:920px;pointer-events:none;background:radial-gradient(ellipse at 76% 34%,rgba(131,213,181,.23),transparent 50%),radial-gradient(ellipse at 8% 72%,rgba(219,222,205,.28),transparent 50%)}html[data-theme=night] body::before{background:radial-gradient(ellipse at 76% 34%,rgba(50,119,92,.2),transparent 53%)}[hidden]{display:none!important}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}a{color:inherit;text-decoration:none}button:not(:disabled),a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,code:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.wrap{width:min(calc(100% - 2 * 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.icon{transform:rotate(-40deg)}.theme-control{display:flex;gap:8px;align-items:center;justify-content:center;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:14px;color:var(--ink);background:var(--surface);font-size:14px;transition:background .18s,transform .18s}.theme-control:hover{background:var(--soft);transform:translateY(-2px)}.skip-link{position:absolute;z-index:10;left:var(--gut);top:16px;transform:translateY(-180%);padding:12px 20px;background:var(--bg);border-radius:12px}.skip-link:focus{transform:none}.hero{min-height:calc(100svh - var(--nav));display:flex;align-items:center;padding:72px 0 88px}.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center}.eyebrow{font-size:14px;font-weight:500;margin:0 0 20px;display:flex;gap:8px;align-items:center}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}h1,h2,h3,p{overflow-wrap:break-word}h1{font-size:clamp(40px,4.5vw,64px);font-weight:500;letter-spacing:-2.4px;line-height:1.17;margin:0 0 28px}h2{font-size:36px;font-weight:500;letter-spacing:-1px;line-height:1.25;margin:0}h3{font-size:22px;font-weight:500;line-height:1.4;margin:0}.lead{font-size:17px;line-height:1.9;color:var(--muted);margin:0 0 32px;max-width:480px}.hero-actions{display:flex;flex-direction:column;align-items:flex-start;gap:12px}.button{display:inline-flex;justify-content:center;align-items:center;gap:12px;min-height:52px;padding:12px 24px;border:1px solid transparent;border-radius:16px;font-size:16px;font-weight:500;line-height:1.5;transition:transform .18s,background .18s,border-color .18s;max-width:100%;text-align:center}.button:hover:not(:disabled){transform:translateY(-2px)}.button:active:not(:disabled){transform:translateY(1px)}.button.primary{background:var(--accent);color:#fff}html[data-theme=night] .button.primary{color:#142b23}.button.primary:hover{background:var(--accent-hover)}.button.primary .arrow{margin-left:24px}.button.secondary{background:var(--surface);color:var(--ink);border-color:var(--line)}.button.secondary:hover:not(:disabled){background:var(--soft)}.button:disabled{color:var(--muted);background:var(--soft);border-color:transparent}.text-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:14px;transition:color .18s}.text-link .icon{transition:transform .18s}.text-link:hover .icon{transform:translateX(3px)}.download-meta{font-size:14px;font-variant-numeric:tabular-nums;color:var(--muted);margin:16px 0 0}.download-meta span{padding-inline:4px}.refresh-status{min-height:22px;color:var(--muted);font-size:13px;margin:8px 0 0}.retry-link{background:none;border:0;border-bottom:1px solid currentColor;color:var(--accent);padding:10px 0;min-height:44px;font-size:14px}.noscript{font-size:14px;max-width:400px}.preview-frame{border:1px solid var(--edge);border-radius:var(--radius);padding:8px;background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(20px);overflow:hidden}.preview-topline{display:flex;gap:8px;align-items:center;height:44px;padding:0 8px 8px;font-size:13px}.preview-topline>span:nth-child(2){font-weight:600}.preview-mode{margin-left:auto;font-size:12px;color:var(--muted)}.window-dots{display:flex;gap:5px;margin-left:8px}.window-dots i{display:block;width:6px;height:6px;border-radius:50%;background:var(--muted);opacity:.35}.preview-frame picture,.preview-frame picture img{width:100%;display:block}.preview-frame picture{overflow:hidden;border-radius:16px}.preview-frame img{object-fit:contain}section{scroll-margin-top:24px}.section{padding:80px 0}.downloads{border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px}.section-heading .eyebrow{margin-bottom:12px}.section-heading>p{font-size:14px;color:var(--muted);margin:0 0 4px}.platform-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.platform-card{padding:28px;background:var(--surface);border:1px solid var(--edge);border-radius:var(--radius);backdrop-filter:blur(16px);display:flex;flex-direction:column;align-items:stretch}.platform-card.available{box-shadow:0 12px 32px -28px rgba(17,74,53,.5)}.platform-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.platform-icon{width:30px;height:30px}.badge{font-size:12px;line-height:1.6;background:var(--badge);color:var(--accent);padding:4px 10px;border-radius:8px}.badge.neutral{background:var(--soft);color:var(--muted)}.platform-card h3{font-size:24px}.platform-detail{font-size:14px;color:var(--muted);margin:8px 0 28px;flex:1}.platform-card .button{width:100%;min-height:48px}.platform-card .button .icon{width:20px;height:20px;margin-left:auto}.platform-format{font-size:12px;color:var(--muted);margin:12px 0 0;text-align:center}.release{padding-top:48px;padding-bottom:80px}.release-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:80px}.release-copy .eyebrow{margin-bottom:12px}.release-copy h2{font-size:30px}.release-copy h2 span{color:var(--muted);font-size:24px;margin-left:8px}.release-notes{margin:28px 0 0;padding-left:20px}.release-notes li{padding-left:4px;margin-bottom:14px;font-size:15px;line-height:1.85}.release-notes li::marker{color:var(--accent)}.glass{background:var(--surface);border:1px solid var(--edge);border-radius:var(--radius);backdrop-filter:blur(16px)}.checksum-panel{padding:28px}.checksum-panel h3{font-size:19px}.checksum-panel>p{font-size:14px;color:var(--muted);margin:8px 0 16px}.checksum-panel code{display:block;overflow-wrap:anywhere;font:13px/1.85 ui-monospace,Consolas,monospace;background:var(--soft);border-radius:12px;padding:16px;user-select:all}.checksum-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;align-items:center}.checksum-actions .button{font-size:13px;min-height:44px;padding:10px 14px;border-radius:12px;gap:8px}.checksum-actions .text-link{font-size:13px}.checksum-panel .copy-status{font-size:13px;margin:8px 0 0;min-height:21px}.install-guide{padding:32px 8px 0}.install-guide h3{font-size:19px}.install-guide ol{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:20px}.install-guide li{display:flex;align-items:flex-start;gap:20px;font-size:15px}.install-guide li>span{font-size:12px;font-variant-numeric:tabular-nums;color:var(--muted);border:1px solid var(--line);border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;flex:none}.install-guide p{font-size:14px;color:var(--muted);margin:4px 0 0}footer{border-top:1px solid var(--line);padding:24px 0}.footer-inner{display:flex;align-items:center;gap:24px;font-size:13px;color:var(--muted)}.footer-brand{font-size:18px;color:var(--ink);gap:8px}.footer-inner>.text-link{margin-left:auto;font-size:13px}.hero-copy,.preview-frame{animation:enter .65s ease-out both}.preview-frame{animation-delay:.12s}@keyframes enter{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@media(min-width:1600px){.hero-grid{gap:64px}.preview-frame{padding:12px}}
@media(max-width:1150px){:root{--gut:40px}.hero-grid{gap:32px}.hero{padding:64px 0}.hero-copy .lead{font-size:16px}.desktop-break{display:none}.platform-card{padding:24px}.release-grid{gap:40px}.checksum-actions{gap:4px 12px}}
@media(max-width:850px){:root{--gut:32px;--nav:80px}nav{gap:16px}.brand-divider{margin-inline:12px}.hero-grid{grid-template-columns:1fr;gap:40px}.hero{padding:64px 0;min-height:auto}.hero-copy{max-width:680px}.hero-copy h1 br{display:none}.hero-copy h1{font-size:48px}.hero-actions{flex-direction:row;align-items:center;gap:24px}.preview-frame{width:100%}.preview-topline{height:44px}.section{padding:64px 0}.platform-grid{gap:12px}.platform-card{padding:20px}.platform-detail{min-height:46px}.platform-card .button{padding-inline:12px;font-size:14px}.platform-card .button .icon{display:none}.section-heading{align-items:flex-start}.section-heading>p{max-width:200px;padding-top:12px}.release{padding-top:16px}.release-grid{grid-template-columns:1fr;gap:32px}.release-side{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}.install-guide{padding:24px 0}.checksum-panel{padding:24px}}
@media(max-width:600px){:root{--gut:24px;--nav:76px}.brand{font-size:22px;gap:8px}.brand>img{width:36px;height:36px}.brand-divider,.brand-section{display:none}.nav-link:first-child{display:none}.nav-link{font-size:13px}.theme-control{min-width:44px;padding:10px}.theme-control span{display:none}nav{gap:12px}.hero{padding:48px 0}.hero-grid{gap:32px}.hero-copy h1{font-size:44px;letter-spacing:-1.5px;max-width:340px;margin-bottom:20px}.hero-copy h1 br{display:block}.eyebrow{font-size:13px;margin-bottom:16px}.lead{font-size:16px;line-height:1.85;margin-bottom:24px}.hero-actions{flex-direction:column;align-items:stretch;gap:8px}.hero-actions>.text-link{justify-content:center}.button.primary .arrow{margin-left:auto}.download-meta{text-align:center;font-size:13px;margin-top:12px}.refresh-status{text-align:center;font-size:12px}.retry-link{display:block;margin:auto}.preview-frame{border-radius:20px;padding:6px}.preview-topline{height:36px;font-size:12px}.preview-mode{font-size:11px}.window-dots{display:none}.preview-frame picture{border-radius:12px}.section{padding:48px 0}.section-heading{display:block;margin-bottom:28px}.section-heading>p{max-width:none;margin:12px 0 0;padding:0;font-size:14px}h2{font-size:30px}.platform-grid{grid-template-columns:1fr;gap:16px}.platform-card{padding:24px}.platform-top{margin-bottom:20px}.platform-detail{min-height:0;margin-bottom:24px}.platform-card .button{font-size:16px}.platform-card .button .icon{display:block}.release{padding-top:0}.release-grid{gap:28px}.release-copy h2{font-size:28px}.release-copy h2 span{font-size:22px}.release-notes{font-size:15px}.release-side{display:block}.checksum-panel{padding:24px}.checksum-actions{gap:8px 16px}.install-guide{padding:32px 4px 0}.footer-inner{flex-wrap:wrap;gap:8px 16px}.footer-inner>span{margin-left:auto}.footer-inner>.text-link{margin-left:0;width:100%;justify-content:flex-start}.footer-brand{font-size:18px}.refresh-status{min-height:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.account-control{border:0;background:none;color:var(--ink);min-height:44px;font-size:14px;padding:8px 0;white-space:nowrap}.account-control:hover{color:var(--accent)}.account-label{font-size:13px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.login-dialog{color:var(--ink);width:min(calc(100% - 32px),440px);padding:40px;border:1px solid var(--edge);background:var(--bg);box-shadow:var(--shadow);max-height:calc(100svh - 32px);overflow:auto}.login-dialog::backdrop{background:rgba(12,30,24,.38);backdrop-filter:blur(8px)}.login-dialog h2{font-size:26px;letter-spacing:-.5px;margin:20px 0 12px}.login-dialog>p{font-size:14px;color:var(--muted);margin:0 0 24px}.login-dialog label{display:block;font-size:14px;margin:16px 0 8px}.login-dialog input{display:block;width:100%;height:48px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:12px;padding:0 14px;font:inherit;outline-offset:3px}.login-dialog input:focus-visible{outline:2px solid var(--accent)}.login-dialog .button{width:100%}.login-dialog>.text-link{margin-top:16px}.login-error{color:#aa3434;min-height:24px;font-size:14px;margin:12px 0}html[data-theme=night] .login-error{color:#ffb2a6}.dialog-close{position:absolute;right:16px;top:16px;background:none;border:0;color:var(--muted);width:44px;height:44px;border-radius:12px;font-size:26px;line-height:1}.dialog-close:hover{background:var(--soft)}
.preview-frame picture img{height:auto}
.badge:not(.neutral){color:var(--ink)}
@media(max-width:1050px){nav{gap:16px}.account-label{max-width:100px}.nav-link:first-child{display:none}}
@media(max-width:600px){.header nav{gap:12px}.header .nav-link{display:none}.account-control{font-size:13px}.account-label{display:none!important}.login-dialog{padding:32px 24px}.login-dialog h2{font-size:24px}}