:root{color-scheme:light;--paper:#fafaf9;--ink:#1d1d1f;--muted:#616166;--line:#dcdcd8;--purple:#6b238e}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:17px;line-height:1.7}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}a:hover{text-decoration:underline}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--purple);outline-offset:5px}.skip{position:absolute;top:-80px;left:20px;background:var(--ink);color:white;padding:12px;z-index:2}.skip:focus{top:8px}header,main,footer{max-width:1120px;margin:auto}header{display:flex;align-items:center;justify-content:space-between;padding:28px 0;border-bottom:1px solid var(--line);gap:24px}header .brand{display:flex;align-items:center}header img{max-width:100%;object-fit:contain;object-position:left}header>a:last-child{font-size:15px;min-height:44px;display:flex;align-items:center}.intro{padding:80px 0 64px}.eyebrow{font-size:13px;letter-spacing:.08em;color:var(--muted);margin:0 0 16px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,5.2vw,64px);line-height:1.2;letter-spacing:-.02em;margin-bottom:24px}.lead{font-size:25px;margin-bottom:12px}.muted,.apps,.instructions,.version{color:var(--muted)}article{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:64px;border-top:1px solid var(--line);padding:48px 0 56px}h2{font-size:38px;line-height:1.3;margin-bottom:14px}.summary{font-size:20px;margin-bottom:18px}.apps{font-size:16px;margin-bottom:30px}.actions{display:flex;flex-wrap:wrap;gap:12px}.actions a,button{min-height:48px;padding:11px 18px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;gap:16px;background:transparent;border:1px solid #a5a5a3;color:var(--ink);font-weight:600;font-size:15px}.actions .primary{color:#fff;background:var(--ink);border-color:var(--ink)}.primary:hover{background:#39393c;text-decoration:none}button:hover{background:#ededeb}.status{font-size:14px;color:var(--muted);min-height:24px;margin:12px 0 24px}details{border-top:1px solid var(--line);padding-top:16px}summary{cursor:pointer;font-size:15px;font-weight:600;min-height:44px}.instructions{font-size:15px}.instructions ol{padding-left:24px}.instructions li{margin-bottom:12px}.version{font-size:13px;margin:24px 0 0}aside{text-align:center;padding:24px 24px 16px;border:1px solid var(--line);border-radius:16px;background:#fff;align-self:start}aside .qr{display:block;width:100%;height:auto;max-width:264px;margin:0 auto 16px}aside h3{font-size:18px;margin-bottom:4px}aside p{font-size:14px;color:var(--muted);margin-bottom:12px}aside .small{font-size:13px}.share{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 0;display:grid;grid-template-columns:1fr 112px auto;align-items:center;gap:24px}.share h2{font-size:24px;margin-bottom:8px}.share p{font-size:14px;color:var(--muted);margin:0}.share #share-status{grid-column:1/-1;min-height:0}.share #share-status:empty{display:none}footer{padding:32px 0 40px;display:flex;justify-content:space-between;font-size:13px;color:var(--muted);gap:20px}input{width:100%;border:1px solid var(--line);padding:10px;font-size:13px;background:#fff;color:var(--ink)}label{font-size:14px;color:var(--muted)}[hidden]{display:none!important}@media(max-width:1200px){header,main,footer{margin-left:32px;margin-right:32px}}@media(max-width:760px){header,main,footer{margin-left:24px;margin-right:24px}header{padding:20px 0}header img{width:135px}.intro{padding:48px 0 40px}.lead{font-size:22px}article{grid-template-columns:1fr;gap:32px;padding-top:32px}h2{font-size:32px}aside{max-width:320px;justify-self:center;width:100%}.share{grid-template-columns:1fr 100px;gap:20px}.share>button{grid-column:1/-1;justify-self:start}.share h2{font-size:22px}.share img{width:100px;height:100px}footer{flex-wrap:wrap}.actions{flex-direction:column;align-items:stretch}.actions a,button{font-size:15px}h1{font-size:38px;letter-spacing:0}.apps br{display:none}.apps{line-height:2}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

article{scroll-margin-top:24px}.dependency{font-size:14px;color:var(--muted);margin-bottom:20px}.dependency a{text-decoration:underline;text-underline-offset:3px}.library-nav{display:flex;flex-wrap:wrap;gap:24px;margin-top:28px;font-size:15px}.library-nav a{min-height:44px;display:inline-flex;align-items:center}
