@charset "UTF-8";
:root{--paper:#f5f2eb;--ink:#252b26;--muted:#687066;--line:#d8dbd1;--green:#234d3b;--mint:#a7e9bd;--orange:#c56736}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Segoe UI","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.8}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:5px}header{max-width:1360px;margin:auto;padding:28px 6%;display:flex;align-items:center;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;font-weight:700;font-size:20px;line-height:1.35}.brand small{display:block;font-size:8px;letter-spacing:2px;font-weight:500;margin-top:5px}.brand-mark{display:grid;place-items:center;width:43px;height:43px;border:1px solid #778270;border-radius:50%;font-family:"KaiTi",serif;font-size:27px}nav{display:flex;align-items:center;gap:30px;font-size:13px}nav a:hover{color:var(--orange)}nav .github{border-left:1px solid var(--line);padding-left:24px}main{max-width:1200px;margin:auto;padding:0 40px}.eyebrow{font-size:11px;font-weight:600;letter-spacing:2px;color:var(--muted);margin:0 0 25px}.tiny-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--orange);margin-right:8px}.home-hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:45px;min-height:710px;padding:60px 0 80px}h1{font-family:"Yu Mincho","Noto Serif CJK SC","Songti SC","SimSun",serif;font-size:clamp(45px,5.2vw,72px);line-height:1.23;letter-spacing:-3px;font-weight:500;margin:0 0 30px}.serif-accent{color:var(--green)}.lead{font-size:17px;line-height:1.95;color:#697268;margin-bottom:32px}.actions{display:flex;gap:25px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;padding:13px 23px;font-size:13px;border-radius:4px;border:1px solid transparent;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--green);color:#fff}.primary:hover{background:#32634a}.secondary{border-color:var(--green);background:transparent;color:var(--green)}.text-link,.text-button{font-size:13px;border:0;border-bottom:1px solid #9ca697;padding:3px 0;background:none;color:var(--green)}.hero-note{font-size:11px;color:#8b9188;margin-top:40px;letter-spacing:1px}.hero-object{position:relative;padding:45px 20px 25px;background:radial-gradient(ellipse,#dfe5d6 0%,#eceee3 45%,transparent 70%);text-align:center}.object-label{font-size:10px;letter-spacing:2px;color:#70786e;display:block;margin-bottom:25px}.device{width:330px;max-width:100%;margin:auto;background:#2b302c;border:1px solid #646e63;border-radius:29px;padding:22px;box-shadow:0 30px 35px -15px #22332242,0 2px 2px #fff inset;transform:rotate(-6deg)}.device-top{display:flex;align-items:center;gap:7px;justify-content:space-between;font:8px monospace;letter-spacing:1px;color:#a8b3a3;margin-bottom:17px}.device-top i{width:5px;height:5px;border-radius:50%;background:var(--mint)}.key-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.key{background:#0e1210;color:#c8d5cd;aspect-ratio:1;border:1px solid #434a42;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:8px;line-height:1.5;box-shadow:0 2px 0 #000}.key strong{font-size:28px;font-weight:500;color:#83dfb0}.key em{font-size:15px;font-style:normal}.key b{font-size:18px;letter-spacing:1px;font-weight:500}.key .small{font-size:12px;letter-spacing:0}.key.dim{font-size:26px;color:#a4b5b1}.key small{font-size:7px;letter-spacing:0}.main-key{border-top:3px solid #84dca6}.main-key strong{font-size:31px;line-height:1.2}.main-key strong span{font-size:16px}.key-tag{font-size:7px;align-self:stretch;text-align:center;position:relative}.key-tag i{position:absolute;right:7px;width:4px;height:4px;border-radius:50%;background:#67b7ee;top:2px}.dot{display:block;width:6px;height:6px;border-radius:50%;background:#74b9f3;margin:6px}.dot.green{background:#90e3b5}.device-bottom{display:flex;gap:10px;align-items:center;color:#879482;margin-top:16px;font-size:12px}.device-bottom span{border:1px solid #454c43;border-radius:5px;padding:4px 28px}.device-bottom b{font-size:12px;letter-spacing:2px;margin-left:auto}.caption{font-size:13px;margin-top:35px;color:#586653}.caption small{display:block;font-size:10px;color:#939a8f;margin-top:4px}.section-heading{padding:10px 0 35px}.section-heading .eyebrow{margin-bottom:12px}h2{font-family:"Yu Mincho","Songti SC","SimSun",serif;font-size:34px;font-weight:500;line-height:1.4;margin:0 0 20px}.section-heading p:last-child{font-size:14px;color:var(--muted);margin:0}.projects{border-top:1px solid var(--line);padding:65px 0}.project-row{display:flex;gap:42px;padding:35px 25px 40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .2s}.project-row:hover{background:#e8ecdf}.project-number{font:14px monospace;color:#879180}.pill{display:inline-block;font-size:9px;letter-spacing:1px;padding:4px 9px;border:1px solid #afbba7;border-radius:3px;color:#43603e}h3{font-size:26px;font-weight:500;line-height:1.4;margin:16px 0 12px}.project-row p{font-size:14px;color:var(--muted)}.project-tags{display:flex;gap:20px;font-size:11px;color:#66775d;margin-top:25px}.project-arrow{margin-left:auto;font-size:40px;align-self:center;color:var(--green)}.project-foot{font-size:11px;color:#778070;padding:15px 25px}.about{display:grid;grid-template-columns:1fr 1.8fr;gap:50px;padding:65px 0 90px;border-top:1px solid var(--line)}.about p{color:var(--muted);font-size:15px}.about a,.prose a,.docs-content a{color:var(--green);text-decoration:underline;text-underline-offset:4px}footer{max-width:1200px;margin:40px auto 0;border-top:1px solid var(--line);padding:40px;display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}.footer-name{font-size:19px}.footer-name span{display:block;font-size:12px;color:var(--muted);margin-top:6px}footer p{font-size:10px;color:var(--muted)}.footer-links{display:flex;flex-wrap:wrap;align-items:flex-start;gap:25px;font-size:11px}.copyright{width:100%;margin:0;padding-top:15px}.skip{position:fixed;top:-100px;left:15px;z-index:5;background:var(--green);color:white;padding:10px}.skip:focus{top:10px}.product-hero{padding:55px 0 65px}.breadcrumb{display:block;font-size:12px;color:var(--muted);margin-bottom:40px}.product-hero h1{font-size:64px}.release-strip{display:flex;align-items:center;flex-wrap:wrap;gap:20px;font-size:11px;color:var(--muted);margin-top:30px}.demo-section{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;background:#e8ecdf;margin:0 -40px;padding:65px 55px;border-radius:5px}.demo-section p{font-size:13px;color:var(--muted)}.demo-section .note{font-size:11px}.interactive-device{padding:25px;background:#292f29;border-radius:24px;max-width:380px;width:100%;justify-self:center;box-shadow:0 20px 35px #20322022}.demo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.demo-key{aspect-ratio:1;background:#080c09;color:#dce8de;border:1px solid #4a5449;border-radius:7px;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.45;padding:5px;min-width:0;transition:border .15s,transform .15s}.demo-key:hover:not(:disabled){border-color:#a4e8bf;transform:translateY(-2px)}.demo-key:disabled{cursor:default}.demo-key small{font-size:9px;color:#a4b6a8}.demo-key strong{font-size:29px;color:#8fe6b7;font-weight:500}.demo-key b{font-size:13px;font-weight:500}.demo-key .icon{font-size:24px}.demo-key.blank{border-color:#343e34;color:#2b332c}.demo-caption{display:block;text-align:center;font-size:10px;margin-top:16px;color:#9da99b}.demo-hint{min-height:45px}.feature-list{padding:80px 0}.feature-list article{display:grid;grid-template-columns:50px 240px 1fr;gap:25px;border-top:1px solid var(--line);padding:25px 0;align-items:baseline}.feature-list article>span{font:12px monospace;color:#849078}.feature-list h3{font-size:19px;margin:0}.feature-list p{font-size:14px;color:var(--muted);margin:0}.two-column{display:grid;grid-template-columns:1fr 1.5fr;gap:60px}.callout{background:#233f31;color:#eff4e9;padding:45px;border-radius:5px}.callout .eyebrow,.callout .text-link{color:#bdd5b6}.check-list{font-size:13px;padding-left:18px;margin-top:0}.check-list li{padding:5px 0}.release-section{padding:75px 0 30px}.timeline article{display:grid;grid-template-columns:100px 1fr;gap:25px;border-top:1px solid var(--line);padding:25px 0}.timeline time{font:13px monospace;color:var(--green)}.timeline h3{font-size:18px;margin:0 0 10px}.timeline p{font-size:14px;color:var(--muted)}.note{font-size:12px;color:var(--muted)}.document-head{padding:75px 0 45px}.document-head h1{font-size:56px}.docs-layout{display:grid;grid-template-columns:170px 1fr;gap:60px}.docs-layout aside{position:sticky;top:30px;align-self:start;display:flex;flex-direction:column;gap:18px;font-size:12px;color:var(--muted)}.docs-content section{padding:0 0 55px;scroll-margin-top:30px}.docs-content h2{font-size:27px}.docs-content p{font-size:14px;color:#616b60}.notice{background:#e9eadd;border-left:3px solid #9aa674;padding:15px 20px}.steps{padding-left:25px}.steps li{padding:12px 0}.steps strong{font-weight:600}.steps p{margin:6px 0}details{border-top:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-size:15px}details p{padding:5px 20px}pre{padding:22px;background:#e9ece3;white-space:pre-wrap;font:13px/1.9 "Consolas",monospace;overflow-wrap:anywhere}.prose{max-width:760px;margin:0 auto 65px}.prose h2{font-size:25px;margin:40px 0 15px}.prose p,.prose li{font-size:14px;color:#616b60}.license-text{font-size:11px}.text-button{cursor:pointer}#copy-status{font-size:12px;margin-left:15px;color:var(--green)}
@media(max-width:850px){header{padding:20px 6%}nav{gap:18px}nav .github{display:none}main{padding:0 25px}.home-hero{gap:20px;min-height:600px}.device{width:275px;padding:18px}.device-bottom span{padding:3px 20px}.hero-object{padding:25px 0}.home-hero h1{font-size:52px}.lead{font-size:15px}.actions{gap:18px}.text-link{font-size:12px}.feature-list article{grid-template-columns:30px 190px 1fr;gap:15px}.demo-section{margin:0 -25px;padding:40px 30px;gap:25px}.demo-key strong{font-size:24px}.about{gap:25px}.docs-layout{grid-template-columns:130px 1fr;gap:25px}footer{padding:30px 25px}.two-column{gap:30px}}
@media(max-width:600px){header{padding:18px 22px;gap:14px}.brand{font-size:16px}.brand-mark{width:34px;height:34px;font-size:22px}.brand small{font-size:6px;letter-spacing:1px}nav{gap:16px;font-size:12px}nav a:nth-child(2){display:none}main{padding:0 24px}.home-hero{display:block;padding:50px 0 35px}.home-hero h1{font-size:54px}.eyebrow{font-size:9px;letter-spacing:1.5px}.hero-note{margin-top:26px}.hero-object{margin-top:30px;padding:20px 0}.device{width:290px}.object-label{font-size:9px}.projects{padding:40px 0}.section-heading h2,h2{font-size:28px}.project-row{gap:16px;padding:28px 0}.project-number{font-size:10px}.project-row h3{font-size:23px}.project-row p{font-size:12px}.project-arrow{font-size:28px}.project-tags{gap:12px}.about{display:block;padding:40px 0}.about .eyebrow{margin-bottom:20px}footer{margin-top:20px;gap:20px}.footer-links{gap:18px}.product-hero{padding-top:35px}.product-hero h1,.document-head h1{font-size:45px;letter-spacing:-2px}.demo-section{grid-template-columns:1fr;margin:0 -24px;padding:35px 24px;gap:30px}.demo-section h2 br{display:none}.interactive-device{max-width:340px}.feature-list{padding:50px 0}.feature-list article{grid-template-columns:22px 1fr;gap:12px}.feature-list p{grid-column:2;font-size:13px}.feature-list h3{font-size:18px}.two-column{grid-template-columns:1fr;gap:10px}.callout{padding:28px 24px}.timeline article{grid-template-columns:70px 1fr;gap:15px}.docs-layout{grid-template-columns:1fr}.docs-layout aside{position:static;flex-direction:row;flex-wrap:wrap;gap:18px;border-bottom:1px solid var(--line);padding-bottom:20px}.document-head{padding-top:45px}.docs-content h2{font-size:26px}.desktop{display:none}.prose{margin-bottom:40px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Shared language control; stays visible even in the mobile navigation. */
header{flex-wrap:wrap;column-gap:22px;row-gap:16px}
.language-switch{display:flex;gap:5px;align-items:center;font-size:11px;flex-shrink:0}
.language-switch a{padding:5px 8px;border-radius:3px;white-space:nowrap}
.language-switch a[aria-current="true"]{background:var(--green);color:white}
.language-switch a:hover{box-shadow:inset 0 0 0 1px var(--green)}
html:lang(en) h1{letter-spacing:-1.5px;font-size:clamp(38px,4.5vw,62px)}
html:lang(en) .key small{font-size:6px}
html:lang(en) .key .small{font-size:10px}
html:lang(en) .key-tag{font-size:7px}
html:lang(en) .demo-key b{font-size:12px;overflow-wrap:anywhere}
.demo-key small,.key span{max-width:100%;overflow-wrap:anywhere}
@media(max-width:1050px){header>nav{margin-left:auto}.language-switch{width:100%;justify-content:flex-end}}
@media(max-width:600px){.language-switch{justify-content:center;border-top:1px solid var(--line);padding-top:12px}.language-switch a{padding:4px 15px}.demo-key b{font-size:12px}html:lang(en) h1{font-size:42px}html:lang(ja) h1{font-size:42px}.hero-copy,.hero-object{min-width:0}}

.demo-state-control{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:24px 0}.demo-state-control select{max-width:100%;padding:10px;border:1px solid #bbb;background:transparent;color:inherit;font:inherit}.pet-illustration{color:#7edbb8;animation:pet-bob 1.2s ease-in-out infinite!important}.demo-grid[data-state^="等待"] .pet-illustration{color:#efcc75;animation-duration:2.5s!important}.demo-grid[data-state="失败"] .pet-illustration{color:#eb7979;animation:none!important}.demo-grid[data-state="未知"] .pet-illustration,.demo-grid[data-state="空闲"] .pet-illustration{color:#aab2ba;animation-duration:4s!important}@keyframes pet-bob{50%{transform:translateY(-5px) rotate(-4deg)}}@media(prefers-reduced-motion:reduce){.pet-illustration{animation:none!important}}