:root{color-scheme:light;--bg:hsl(218 22% 98%);--panel:hsl(218 20% 100%);--subtle:hsl(218 24% 95%);--ink:hsl(219 25% 15%);--secondary:hsl(219 12% 38%);--muted:hsl(219 10% 43%);--line:hsl(219 18% 87%);--accent:hsl(220 56% 45%);--accent-hover:hsl(220 58% 36%);--red-bg:hsl(4 68% 94%);--red:hsl(4 60% 34%);--green-bg:hsl(157 35% 92%);--green:hsl(157 55% 26%);--radius:16px}
[data-theme=dark]{color-scheme:dark;--bg:hsl(219 20% 9%);--panel:hsl(219 18% 12%);--subtle:hsl(219 18% 16%);--ink:hsl(218 22% 95%);--secondary:hsl(218 15% 77%);--muted:hsl(218 12% 70%);--line:hsl(219 15% 25%);--accent:hsl(220 56% 58%);--accent-hover:hsl(220 58% 48%);--red-bg:hsl(4 22% 23%);--red:hsl(4 80% 83%);--green-bg:hsl(157 24% 21%);--green:hsl(157 45% 77%)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.75 'Space Grotesk','Microsoft YaHei','PingFang SC',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;color:inherit;background:transparent;border:0}a,button{transition:color .18s,background .18s,transform .18s}button:active,.button:active{transform:translateY(1px)}:focus-visible{outline:2px solid var(--accent);outline-offset:5px}header,main,footer{max-width:1240px;margin:auto;padding-inline:32px}header{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;letter-spacing:-.7px}.brand span{font-size:12px;letter-spacing:0;color:var(--muted);font-weight:400;margin-left:8px}nav{display:flex;align-items:center;gap:27px;font-size:13px}nav a:hover,.text-link:hover,button:hover{color:var(--accent)}nav button{padding:6px 10px;border:1px solid var(--line);border-radius:6px;font-size:12px}.skip{position:absolute;left:15px;top:-80px;background:var(--panel);padding:12px;z-index:4}.skip:focus{top:15px}.hero{display:grid;grid-template-columns:1fr 1.08fr;align-items:center;gap:64px;padding:86px 0 76px}.eyebrow{font-size:11px;letter-spacing:1.9px;font-weight:600;color:var(--muted);margin:0 0 24px;display:flex;align-items:center;gap:8px}.status-dot{width:6px;height:6px;display:inline-block;background:var(--green);border-radius:50%;flex-shrink:0}h1{font-size:clamp(40px,4.4vw,59px);font-weight:600;line-height:1.25;letter-spacing:-2px;margin:0 0 26px}h1 em{font-style:normal;color:var(--accent)}h2{font-size:clamp(25px,2.6vw,35px);line-height:1.5;letter-spacing:-1px;margin:0 0 20px;font-weight:600}h3{font-size:18px;line-height:1.6;margin:0 0 8px;font-weight:600}p{max-width:65ch;color:var(--secondary)}.intro{font-size:15px;line-height:1.95;margin:0 0 27px;max-width:30em}.hero-actions{display:flex;align-items:center;gap:24px;margin-bottom:17px}.button{display:inline-flex;align-items:center;justify-content:center;gap:32px;padding:13px 23px;border-radius:8px;font-weight:500;font-size:14px}.primary{background:var(--accent);color:white}.primary:hover{background:var(--accent-hover);color:white;transform:translateY(-1px)}.text-link{font-size:13px}.quiet{font-size:12px;color:var(--muted)}.preview{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 60px -28px hsl(219 35% 30% / .28);transform:rotate(-1deg)}.preview-top{padding:17px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted)}.window-dots{letter-spacing:3px;font-size:8px;color:var(--line)}.pill{font-size:10px;letter-spacing:.5px;border:1px solid var(--line);border-radius:4px;padding:2px 8px;color:var(--secondary)}.document{padding:32px 24px 0}.document .eyebrow{font-size:9px;margin-bottom:17px}.doc-heading{font-weight:600;font-size:19px;margin-bottom:25px}.doc-row{display:flex;align-items:center;gap:18px;font-size:12px;min-height:36px}.line-number{font-size:10px;color:var(--muted);font-family:monospace}.doc-row mark{padding:4px 7px;border-radius:3px}.sensitive{background:var(--red-bg);color:var(--red)}.safe{background:var(--green-bg);color:var(--green)}.transform{border-block:1px dashed var(--line);padding:13px 0;margin:19px 0;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.doc-footer{display:flex;align-items:center;gap:8px;font-size:10px;color:var(--green);padding:22px 0}.preview-caption{background:var(--subtle);padding:11px 20px;display:flex;justify-content:space-between;font-size:9px;color:var(--muted);border-radius:0 0 14px 14px}.format-strip{border-block:1px solid var(--line);padding:23px 0;display:flex;gap:24px;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}.format-strip strong{font-size:14px;color:var(--secondary);font-weight:500}.download-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:100px;padding:100px 0}.download-grid>div>p:not(.eyebrow){max-width:32ch}.download-card{padding:29px 32px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.card-heading,.hash-row,.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px}.card-heading h3{margin:0}.release-version{font-size:45px;letter-spacing:-2px;font-weight:500;line-height:1.3;margin-top:22px;font-variant-numeric:tabular-nums}.download-button{width:100%;margin-top:15px;justify-content:space-between}.status-text{font-size:12px;margin:12px 0 24px}.hash-row{border-top:1px solid var(--line);padding-top:18px;font-size:11px;color:var(--muted)}.hash-row button,.card-bottom button{font-size:11px;color:var(--accent)}code{font-family:Consolas,monospace;font-size:11px;overflow-wrap:anywhere}#sha256{display:block;color:var(--secondary);margin-top:6px;line-height:1.8}.card-bottom{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}[aria-disabled=true],button:disabled{opacity:.55;pointer-events:none;cursor:not-allowed}.capabilities{display:grid;grid-template-columns:1fr 1.1fr;gap:100px;border-block:1px solid var(--line);padding:70px 0}.feature-list article{display:flex;gap:25px;padding:20px 0;border-bottom:1px solid var(--line)}.feature-list article:first-child{padding-top:0}.feature-list article:last-child{border-bottom:0}.feature-list article>span{font-size:11px;color:var(--accent);padding-top:6px}.feature-list p{font-size:13px;margin:0}#releases{padding:90px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}.release-entry{display:grid;grid-template-columns:200px 1fr;padding:28px 0;border-top:1px solid var(--line);gap:35px}.release-entry h3{font-size:26px;letter-spacing:-1px}.release-entry time{font-size:12px;color:var(--muted)}.release-entry ul{margin:0;padding-left:18px;font-size:14px;color:var(--secondary)}.release-entry li{padding:3px 0}.guide-grid{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.1fr;gap:100px;padding:70px 0}.guide-grid>div>p:last-child{max-width:34ch;font-size:13px}.steps{padding-left:26px;margin:0}.steps li{padding:0 0 22px 10px}.steps li::marker{font-size:12px;color:var(--accent)}.steps p{font-size:13px;margin:0}.faq{max-width:820px;padding:50px 0 90px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:19px 0}.faq summary{cursor:pointer;font-weight:500;font-size:14px}.faq details p{font-size:13px;margin-bottom:0;padding-right:25px}footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-block:30px;gap:20px}footer .brand{font-size:16px}footer p,footer>a:last-child{font-size:12px;color:var(--muted)}
@media(max-width:1000px){.hero{gap:35px}header nav{gap:16px}.brand span{display:none}.download-grid,.capabilities,.guide-grid{gap:55px}.hero-actions{gap:15px}}
@media(max-width:720px){header,main,footer{padding-inline:22px}header{height:auto;min-height:80px;flex-wrap:wrap;padding-block:20px;gap:18px}.brand{font-size:19px}nav{width:100%;justify-content:space-between;gap:10px;font-size:12px}nav button{font-size:10px;padding:3px 5px}.hero{grid-template-columns:1fr;padding:46px 0;gap:40px}h1{font-size:44px;letter-spacing:-1px}.hero-copy .eyebrow{margin-bottom:20px}.preview{transform:none}.format-strip{flex-wrap:wrap;justify-content:flex-start;gap:15px 26px}.format-strip>span{width:100%}.download-grid,.capabilities,.guide-grid{grid-template-columns:1fr;gap:30px;padding:52px 0}.download-card{padding:24px}.release-version{font-size:38px}.section-heading{display:block}.release-entry{grid-template-columns:1fr;gap:14px}.release-entry h3{margin-bottom:2px}.release-entry ul{font-size:13px}#releases{padding:52px 0}.faq{padding:25px 0 50px}footer{flex-wrap:wrap;gap:8px 20px}footer p{margin:0}footer>a:last-child{width:100%}.document{padding:24px 17px 0}.doc-row{gap:12px;font-size:11px}}
.card-heading .pill{flex-shrink:0}
.download-grid{grid-template-columns:.85fr 1.25fr;gap:80px}.card-heading,.hash-row,.card-bottom,.platform-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.platform-heading h4{margin:0}.download-options{display:grid;gap:12px}.platform-download{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:5px 18px;padding:18px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}.platform-download.recommended{border-color:var(--accent);box-shadow:inset 3px 0 0 var(--accent)}.platform-heading{grid-column:1}.platform-heading h4{font-size:14px;line-height:1.5}.platform-meta{grid-column:1;margin:0;color:var(--muted);font-size:11px}.platform-button{grid-column:2;grid-row:1/3;align-self:center;min-width:122px;padding:10px 14px;gap:12px}.secondary-button{border:1px solid var(--line);color:var(--ink);background:var(--panel)}.secondary-button:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}.platform-download .hash-row{grid-column:1/3;border-top:1px solid var(--line);padding-top:10px;margin-top:7px;font-size:10px}.platform-download code{display:block;grid-column:1/3;color:var(--secondary);font-size:10px;line-height:1.7}.mac-gatekeeper{font-size:11px;line-height:1.7;margin:15px 2px 0;color:var(--muted)}
@media(max-width:720px){.download-grid{grid-template-columns:1fr;gap:30px}.download-card{padding:20px}.platform-download{grid-template-columns:1fr;padding:16px}.platform-heading,.platform-meta,.platform-button,.platform-download .hash-row,.platform-download code{grid-column:1}.platform-button{grid-row:auto;width:100%;margin-top:7px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}