:root{--ink:#20221e;--muted:#666a62;--line:#d9ddd3;--paper:#fff;--lime:#d6f454;--red:#c84038;--wash:#f4f6f0;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;letter-spacing:0}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.45}button,a,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--red);outline-offset:5px}h1,h2,h3,p{margin:0}button i,a i{display:inline-flex}i{font-style:normal}svg{display:block;flex:none}.wrap{width:calc(100% - 112px);max-width:1280px;margin:auto}.skip{position:fixed;top:-60px;left:12px;background:var(--lime);padding:12px;z-index:9}.skip:focus{top:8px}.masthead{height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:750}.brand img{object-fit:contain}.brand small{display:block;font-size:9px;margin-top:5px;font-weight:600}.masthead nav{display:flex;gap:32px;font-size:14px}.masthead nav a:hover,.text-link:hover{color:#547000}.header-link{display:flex;gap:8px;align-items:center;font-size:13px;font-weight:650}.hero{position:relative;height:min(660px,calc(100svh - 170px));min-height:500px;overflow:hidden}.hero-art{position:absolute;width:100%;height:100%;object-fit:contain;object-position:right center}.hero-inner{height:100%;position:relative;display:flex;align-items:center}.hero-copy{width:44%;max-width:560px;padding-bottom:30px}.eyebrow{font-size:11px;font-weight:650;line-height:1.6;color:var(--muted)}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--red);margin-right:7px}.hero h1{font-size:60px;line-height:1.2;margin:25px 0 22px;white-space:nowrap}.hero-lead{font-size:25px;line-height:1.6;font-weight:550}.hero-detail{font-size:15px;line-height:1.9;color:var(--muted);margin-top:16px}.hero-actions{display:flex;gap:23px;align-items:center;flex-wrap:wrap;margin-top:28px}.button{border:1px solid transparent;border-radius:4px;min-height:50px;padding:14px 22px;display:inline-flex;gap:12px;align-items:center;justify-content:center;font-size:14px;font-weight:650;transition:background .18s,transform .18s;white-space:nowrap}.primary{background:var(--lime);color:var(--ink)}.primary:hover{background:#c7e83c;transform:translateY(-2px)}.text-link{display:inline-flex;gap:9px;align-items:center;font-size:13px}.fine{margin-top:15px;font-size:11px;color:var(--muted)}.hero-caption{position:absolute;right:56px;bottom:22px;font-size:9px;color:var(--muted)}.ticker{background:var(--ink);color:#fff}.ticker .wrap{min-height:63px;display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:14px}.ticker b{font-size:22px;font-weight:400;color:var(--lime)}.work{padding:95px 0 100px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:42px}h2{font-size:38px;line-height:1.4;font-weight:650;margin-top:14px}.section-heading>p{font-size:14px;line-height:1.9;color:var(--muted)}.task-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:70px;align-items:stretch}.task-tabs{display:flex;flex-direction:column}.task-tabs button{width:100%;background:none;border:0;border-top:1px solid var(--line);display:grid;grid-template-columns:34px 1fr 20px;align-items:center;gap:18px;text-align:left;min-height:83px;padding:14px 18px;transition:background .2s}.task-tabs button:last-child{border-bottom:1px solid var(--line)}.task-tabs span{font-size:11px;color:var(--muted)}.task-tabs strong{font-size:17px;font-weight:550}.task-tabs button[aria-selected=true]{background:var(--lime);border-color:transparent}.task-tabs button[aria-selected=true]+button{border-top-color:transparent}.task-panel{background:var(--wash);border:1px solid var(--line);border-radius:6px;padding:30px;min-height:332px;display:flex;flex-direction:column}.example-heading{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted)}blockquote{font-size:21px;line-height:1.8;margin:26px 0 30px;font-weight:500;flex:1}.example-footer{border-top:1px solid var(--line);padding-top:14px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px}.icon-button{width:36px;height:36px;border:1px solid var(--line);border-radius:4px;background:transparent;display:inline-flex;align-items:center;justify-content:center;flex:none}.icon-button:hover{background:var(--lime)}.example-note{font-size:10px;color:var(--muted);margin-top:12px}.principles{border-block:1px solid var(--line);background:#fafbf8}.principle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:50px;padding-block:42px}.principle-grid article>i{display:block;margin-bottom:16px}.principle-grid h3{font-size:16px;font-weight:600}.principle-grid p{font-size:13px;line-height:1.9;margin-top:10px;color:var(--muted);max-width:290px}.download{padding:90px 0 85px}.release-row{display:grid;grid-template-columns:152px 1fr auto;align-items:center;gap:32px;border-block:1px solid var(--line);padding:30px 0}.download-avatar{object-fit:contain;width:152px;height:152px}.release-info h3{font-size:22px;margin-bottom:12px}.release-info h3 span{font-size:13px;font-weight:400;margin-left:10px;color:var(--muted)}.release-info p{font-size:13px;line-height:1.9}.release-info .warning{color:#805c20;font-size:12px;margin:6px 0 12px}.download-button{min-width:200px}.download-button[aria-disabled=true]{background:#e9ece3;color:#6e7367;pointer-events:none}.checksum{font-size:12px;margin-top:18px;max-width:100%}.checksum summary{cursor:pointer;display:list-item;width:fit-content}.checksum p{line-height:1.9;margin-top:18px;color:var(--muted)}code{font-family:Consolas,monospace;overflow-wrap:anywhere;line-height:1.8;font-size:11px}.checksum code{display:inline-block;max-width:calc(100% - 52px);vertical-align:middle;margin:8px 8px 8px 0}.faq{padding-bottom:90px}.faq h2{margin-bottom:30px}.faq>details{border-top:1px solid var(--line);padding:0}.faq>details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer}.faq summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:23px 0;font-size:16px}.faq summary::-webkit-details-marker{display:none}.faq details[open] summary i{transform:rotate(45deg)}.faq details p{font-size:14px;line-height:1.9;max-width:850px;color:var(--muted);padding:0 40px 24px 0}.faq summary i{transition:transform .2s}footer.wrap{border-top:1px solid var(--line);padding-block:32px 44px;display:flex;justify-content:space-between;gap:24px;align-items:center}.footer-brand{font-size:18px;font-weight:650}.footer-brand small{display:block;font-size:9px;margin-top:9px;font-weight:500}footer>div:last-child{font-size:11px;text-align:right;color:var(--muted);line-height:2.2}footer span{display:block}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);padding:12px 22px;border-radius:4px;background:var(--ink);color:#fff;font-size:13px;max-width:calc(100% - 36px);z-index:10}.notes{max-width:840px;margin:70px auto;padding:0 28px}.notes h1{font-size:38px;line-height:1.4;margin:30px 0}.notes h2{font-size:22px;margin:30px 0 16px}.notes p,.notes li{font-size:15px;line-height:2}.notes ul{padding-left:22px}.notes a{text-decoration:underline;text-underline-offset:4px}
@media(min-width:1600px){.hero-art{width:86%;right:0}.hero{height:680px;min-height:0}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.hero h1{font-size:46px}.hero-copy{width:48%}.hero-art{width:92%;right:-10%}.hero-lead{font-size:23px}.hero-actions{gap:16px}.task-layout{gap:32px}.masthead nav{gap:22px}.header-link{display:none}.release-row{grid-template-columns:110px 1fr;gap:24px}.download-avatar{width:110px;height:110px}.download-button{grid-column:2;justify-self:start}.principle-grid{gap:30px}}
@media(max-width:700px){.wrap{width:calc(100% - 40px)}.masthead{height:76px;gap:12px}.brand{font-size:16px;gap:5px}.brand img{width:38px;height:38px}.brand small{font-size:8px}.masthead nav{gap:15px;font-size:12px}.masthead nav a:first-child{display:none}.hero{height:calc(100svh - 139px);min-height:590px;max-height:720px}.hero-inner{align-items:flex-start}.hero-copy{width:100%;max-width:none;padding-top:30px}.hero-art{width:110%;height:57%;right:-5%;bottom:-14px;object-fit:contain;object-position:right bottom}.hero h1{font-size:40px;margin:14px 0 12px}.hero-lead{font-size:20px;line-height:1.5}.hero-detail{font-size:12px;line-height:1.8;margin-top:12px}.hero-actions{gap:20px;margin-top:18px}.hero-actions .button{min-height:44px;padding:12px 17px;font-size:13px}.hero-actions .text-link{font-size:12px}.fine{font-size:10px;margin-top:12px}.hero-caption{font-size:8px;right:20px;bottom:12px}.eyebrow{font-size:10px}.ticker .wrap{min-height:56px;font-size:11px;gap:10px}.ticker b{font-size:16px}.ticker span:last-child,.ticker b:nth-last-child(2){display:none}.work{padding:55px 0}.section-heading{display:block;margin-bottom:26px}h2{font-size:28px;margin-top:10px}.section-heading>p{margin-top:18px;font-size:13px}.task-layout{grid-template-columns:1fr;gap:22px}.task-tabs button{min-height:65px;padding:12px;gap:10px}.task-tabs strong{font-size:15px}.task-panel{padding:24px;min-height:300px}blockquote{font-size:18px;margin-block:23px}.principle-grid{grid-template-columns:1fr;gap:26px;padding-block:30px}.principle-grid article{display:grid;grid-template-columns:25px 1fr;column-gap:14px}.principle-grid article>i{grid-row:1/3;margin:1px 0 0}.principle-grid p{max-width:none;font-size:12px}.download{padding:55px 0}.release-row{grid-template-columns:76px 1fr;gap:18px;padding:23px 0}.download-avatar{width:76px;height:76px;align-self:start}.release-info h3{font-size:18px}.release-info h3 span{margin-left:5px;font-size:11px}.release-info p{font-size:12px}.release-info .warning{font-size:11px}.download-button{grid-column:1/-1;justify-self:stretch}.faq{padding-bottom:50px}.faq summary{font-size:14px;padding:20px 0}.faq details p{font-size:13px;padding-right:15px}footer.wrap{align-items:flex-start;flex-direction:column;gap:22px}footer>div:last-child{text-align:left}.notes h1{font-size:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media(max-width:1100px){.hero-art{width:100%;right:0}}
@media(max-width:700px){.hero{min-height:560px;max-height:660px}}
@media(max-width:700px) and (max-height:720px){.hero{min-height:480px}.hero-copy{padding-top:18px}.hero-detail{display:none}}