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.subtitle-text{font-size:32px;line-height:48px;text-align:center;color:#fff;max-width:940px;margin:0 auto}.ar-window .ar-buttons{justify-content:center}.ar-dialog{position:absolute;width:600px;height:288px;left:660px;top:396px;background:#333;border-radius:32px;padding:56px 40px 40px;display:flex;flex-direction:column;gap:64px;color:white}.ar-dialog h2{font:500 32px/48px MiSans,"PingFang SC",sans-serif;margin:0;text-align:center;white-space:nowrap}.ar-buttons{display:flex;gap:24px;align-items:center}.ar-button{height:80px;min-width:248px;width:248px;padding:0 20px;border-radius:20px;background:var(--brand);color:#fff;font:500 28px/42px MiSans,"PingFang SC",sans-serif;white-space:nowrap;position:relative;display:flex;align-items:center;justify-content:center;gap:12px;flex-shrink:0;box-shadow:none;transition:background .12s,outline-color .12s}.ar-button.secondary{background:#f2f2f2;color:#000}.ar-dialog .ar-button.secondary{background:#ffffff14;color:#fff}.ar-button.state-focused,.ar-button.state-selected,.ar-button:focus-visible{outline:var(--ar-focus-width) solid var(--ar-focus-color);outline-offset:var(--ar-focus-offset)}.ar-button.state-pressed{background:#245fcd;transform:scale(.98)}.ar-button.secondary.state-pressed{background:#d5d5d5;transform:scale(.98)}.ar-button:disabled,.ar-button.state-disabled{background:#3978f33d;color:#ffffff3d;outline:0}.ar-button.secondary:disabled,.ar-button.secondary.state-disabled{background:#f2f2f2;color:#0000003d}.ar-button .loading-ring{width:24px;height:24px;border:3px solid #ffffff44;border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}.ar-button.state-loading{cursor:wait}.ar-buttons-demo{position:absolute;top:352px;left:390px;display:flex;gap:60px;align-items:center;flex-wrap:wrap;width:1160px}.ar-spec-caption{position:absolute;top:500px;left:400px;font:22px/34px monospace;color:#8290a5}.component-info{display:grid;grid-template-columns:1fr 1fr 1fr;border:1px solid var(--line);border-radius:9px;margin-top:22px}.component-info div{padding:19px 21px;border-right:1px solid var(--line)}.component-info div:last-child{border:0}.component-info small{font-size:9px;color:#969eab;display:block;letter-spacing:1px;margin-bottom:5px}.component-info strong{font:15px monospace;color:#3f4d64}.component-info p{font-size:10px;margin:5px 0 0;color:#929ba9}.ar-list{position:absolute;width:880px;left:520px;top:230px;background:#161d29cc;border-radius:28px;padding:32px}.ar-list h2{font-size:36px;line-height:54px;margin:0 0 20px}.ar-list-row{height:96px;display:flex;align-items:center;justify-content:space-between;padding:16px 24px;font-size:28px;line-height:42px;border-radius:20px;margin:12px 0;border:2px solid transparent;color:#fff;background:#ffffff08}.ar-list-row.selected,.ar-list-row:focus-visible{outline:var(--ar-focus-width) solid var(--ar-focus-color);outline-offset:var(--ar-focus-offset)}.ar-list-row span:last-child{font-size:24px;color:#ffffffb8}.icon-catalog{display:grid;grid-template-columns:repeat(6,1fr);gap:28px 16px;border:1px solid var(--line);border-radius:10px;padding:30px 20px}.catalog-item{text-align:center;display:flex;flex-direction:column;align-items:center}.catalog-item .icon-slot{width:64px;height:64px;margin-bottom:12px}.catalog-item strong{font-size:10px;font-weight:450;color:#738093}.control-icons{display:flex;gap:36px;align-items:center;padding:28px;background:#fafbfc;border-radius:9px}.control-icon{display:flex;gap:12px;align-items:center;font-size:11px;color:#8792a4}.control-icon img{width:24px;height:24px;max-width:none}.state-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:15px;margin:20px 0}.state-item{border-top:2px solid #d9e3f5;padding-top:14px}.state-item strong{font-size:11px;display:block;margin-bottom:8px}.state-item p{font-size:10px;line-height:1.85}.motion-demo{padding:30px;border:1px solid var(--line);border-radius:10px;min-height:240px;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse,#eef3fd,#fafbfc);overflow:hidden;position:relative}.motion-object{background:#fff;border:1px solid #e1e8f5;border-radius:18px;box-shadow:0 12px 32px #2c4d8620;padding:20px 36px;display:flex;gap:14px;align-items:center}.motion-object strong{font-size:14px}.motion-object span{font-size:10px;color:#939dac}.motion-dot{width:9px;height:9px;border-radius:50%;background:var(--brand)}.motion-object.playing{animation:enter .24s cubic-bezier(.2,0,0,1)}.scene-title{font-size:46px;line-height:70px}.checklist-head{display:flex;justify-content:space-between;align-items:center;background:#f5f8fe;padding:22px 25px;border:1px solid #e5edfc;border-radius:10px;margin-bottom:23px}.checklist-head strong{font-size:25px;font-weight:500}.checklist-head strong small{font-size:12px;font-weight:400;color:#919bad}.checklist-head p{font-size:10px;margin:3px 0 0;color:#8894a8}.progress-track{height:3px;background:#e5ecf8;margin-top:10px;width:220px;border-radius:5px;overflow:hidden}.progress-fill{height:100%;background:var(--brand);transition:width .2s}.check-row{display:flex;align-items:start;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);cursor:pointer}.check-row input{margin-top:5px;accent-color:var(--brand);width:15px;height:15px;flex-shrink:0}.check-row p{font-size:12px;color:#586577;margin:0}.check-row.done p{color:#a3acb9}.check-row .badge{margin-left:auto}.source-card{padding:22px 0;border-top:1px solid var(--line);display:flex;gap:25px;align-items:start}.source-card .source-number{font:11px monospace;color:#a0aabb;padding-top:4px}.source-card h3{font-size:13px;letter-spacing:0;margin-bottom:7px}.source-card a{color:var(--brand)}.source-card p{font-size:11px;margin-bottom:0;line-height:1.9;max-width:670px}.source-card a:hover{text-decoration:underline}.source-card>span:last-child{margin-left:auto;color:#a1adbf}.download-panel{background:#f5f8ff;border:1px solid #e1eaff;padding:28px;border-radius:10px;display:flex;align-items:center;justify-content:space-between;gap:20px}.download-panel h3{font-size:17px}.download-panel p{font-size:11px;margin:0}.page-footer{margin:0 52px;max-width:1296px;padding:25px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;font-size:9px;color:#a0a7b4;letter-spacing:.3px}.page-footer span:first-child{letter-spacing:1.4px}.page-footer a{color:#7c8a9f}.search-dialog{border:1px solid #dde4ef;box-shadow:0 20px 120px #14294d3d;border-radius:13px;padding:0;width:min(620px,calc(100% - 32px));margin-top:14vh}.search-dialog::backdrop{background:#1d2e4660;backdrop-filter:blur(3px)}.search-dialog-head{display:flex;align-items:center;gap:15px;padding:18px 21px;border-bottom:1px solid var(--line);color:#8c98ab}.search-dialog-head input{border:0;outline:0;flex:1;min-width:0;font-size:14px}.search-dialog-head button{font-size:10px;color:#9aa5b6;background:#f5f7fa;padding:4px 7px;border-radius:4px}#search-results{max-height:50vh;overflow:auto;padding:9px}.search-result{display:block;width:100%;text-align:left;padding:14px;border-radius:7px}.search-result:hover{background:#f0f5ff}.search-result strong{font-size:13px;display:block}.search-result span{display:block;font-size:10px;color:#8b96a6;margin-top:4px}.search-hint{font-size:9px;color:#a5aebc;border-top:1px solid var(--line);padding:12px 19px;margin:0}.empty-search{padding:25px;font-size:12px;color:#8d98ab}.web-toast{position:fixed;bottom:30px;left:calc(50% + 100px);transform:translate(-50%,18px);background:#202938;color:#fff;padding:11px 20px;border-radius:8px;box-shadow:0 7px 25px #15274528;font-size:11px;opacity:0;pointer-events:none;transition:.18s;z-index:100}.web-toast.visible{opacity:1;transform:translate(-50%,0)}.desktop-only{display:block}.no-margin{margin:0}.well{padding:22px;background:#fafbfc;border-radius:8px}.well p{font-size:11px;line-height:1.9;margin:0}.flex-end{display:flex;align-items:center;justify-content:flex-end;gap:14px}
@keyframes spin{to{transform:rotate(360deg)}}@keyframes enter{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(min-width:1650px){#main{padding-top:60px}.hero h1{font-size:68px}.hero{gap:50px}.product-stage img{max-width:470px}}
@media(max-width:1180px){:root{--side:220px}.sidebar{padding-left:15px;padding-right:15px}#main{padding:36px 32px 55px}.topbar{padding:0 30px}.topbar-actions{gap:15px}.hero h1{font-size:46px}.hero{grid-template-columns:1.3fr 1fr}.product-stage{min-height:230px}.metrics .metric{padding:0 16px}.metric strong{font-size:24px}.page-footer{margin:0 32px}.icon-catalog{grid-template-columns:repeat(4,1fr)}.rule-grid{gap:20px}.type-table td:last-child{max-width:330px;overflow:hidden}}
@media(max-width:880px){.topbar{height:64px;padding:0 22px}.figma-link{display:none}.hero{grid-template-columns:1fr}.hero h1{font-size:44px}.product-stage{min-height:220px;max-width:420px;margin:auto;width:100%}.hero-description{max-width:100%}.metrics{grid-template-columns:1fr 1fr;gap:20px;margin-bottom:32px}.metric:first-child{padding-left:16px}.metric:nth-child(2){border:0}.principles{gap:16px}.material-explainer,.two-columns{grid-template-columns:1fr}.component-info{grid-template-columns:1fr}.component-info div{border-right:0;border-bottom:1px solid var(--line)}.state-strip{grid-template-columns:repeat(3,1fr)}.download-panel{flex-direction:column;align-items:start}.fact-table td{padding:14px 12px}.page-head h1{font-size:32px}}
@media(max-width:650px){:root{--side:0px}.sidebar{width:252px;transform:translateX(-100%);transition:transform .2s;box-shadow:12px 0 45px #1e315d15}.sidebar.mobile-open{transform:translateX(0)}#mobile-menu{display:block;padding:0 5px 0 0;font-size:15px}.breadcrumb{gap:9px;font-size:10px}.breadcrumb span:first-of-type{display:none}.topbar{padding:0 16px}.top-download{font-size:10px;padding:7px 9px}.top-download span{margin-left:6px}#main{padding:30px 21px 45px}.hero h1{font-size:43px}.hero{padding-bottom:28px}.hero-description{font-size:12px}.product-stage{min-height:215px}.metrics{gap:20px;padding-bottom:23px}.metric strong{font-size:25px}.principles{grid-template-columns:1fr;gap:22px}.principle p{max-width:none}.principle h3{margin:6px 0}.section-heading{align-items:start;gap:15px}.section-heading h2{font-size:20px}.rule-grid{grid-template-columns:1fr}.page-footer{margin:0 21px;flex-wrap:wrap;font-size:8px}.page-footer span:first-child{width:100%}.icon-catalog{grid-template-columns:repeat(3,1fr);padding:20px 8px;gap:24px 8px}.palette{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.swatch-info strong{font-size:10px}.swatch-info{padding:10px}.swatch-top{height:80px}.swatch-top img{transform:none}.state-strip{grid-template-columns:1fr 1fr}.control-icons{gap:19px;flex-wrap:wrap}.fact-table{min-width:620px}.type-table{min-width:580px}.component-info strong{font-size:13px}.checklist-head{padding:18px}.progress-track{width:155px}.check-row .badge{display:none}.web-toast{left:50%;width:max-content;max-width:90vw}.search-dialog{margin-top:10vh}.source-card{gap:14px}.source-card h3{font-size:12px}.canvas-info{font-size:9px;flex-wrap:wrap}.preview-chrome{font-size:8px;padding:9px 12px}.preview-chrome>span{letter-spacing:0}.control-bar{gap:12px}.segmented button{padding:6px 10px}.scope-note{padding:14px;font-size:10px}.page-head .lede{font-size:12px}.page-head h1{font-size:31px}.button{font-size:10px}.checklist-head .button{padding:8px}.source-card>span:last-child{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.sidebar,.topbar,.page-footer,.control-bar,.button,.web-toast{display:none!important}.site-shell{margin:0}#main{padding:0;max-width:none}.preview-frame{break-inside:avoid}body{font-size:11px}.page-head h1{font-size:30px}.rule,.table-wrap{break-inside:avoid}.scope-note{background:#fff;border-color:#ddd}.hero{grid-template-columns:1fr 1fr}}
/* Preserve keyboard continuity in the documentation shell. */
#close-mobile-menu{display:none}
.ar-main-title{left:320px}
.ar-app-row{left:320px;right:320px;gap:40px}
.ar-buttons-demo{left:682px;top:500px;width:556px}
.ar-spec-caption{left:0;right:0;top:650px;text-align:center}
@media(max-width:650px){.sidebar{visibility:hidden}.sidebar.mobile-open{visibility:visible}#close-mobile-menu{display:block;position:absolute;top:25px;right:18px;font-size:23px;color:#7a8494;padding:0 7px}}