*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--color-canvas);color:var(--color-ink);font-family:var(--font-ui);font-size:var(--type-body);line-height:1.5;-webkit-font-smoothing:antialiased}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:disabled{cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--color-accent);outline-offset:4px}.icon{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.icon-library{position:absolute;width:0;height:0;overflow:hidden}.skip-link{position:fixed;top:-80px;left:20px;background:var(--color-ink);color:white;padding:12px 18px;z-index:100}.skip-link:focus{top:12px}.accent-text{color:var(--color-accent)}
.site-header{position:sticky;top:0;z-index:30;background:var(--color-canvas);border-bottom:1px solid var(--color-border)}.header-inner{height:80px;max-width:calc(var(--page-width) + var(--page-gutter)*2);padding:0 var(--page-gutter);margin:auto;display:flex;align-items:center;gap:36px}.brand{display:flex;align-items:center;gap:10px;font-weight:680;font-size:22px;letter-spacing:-.9px;flex:none}.brand svg{width:31px;height:31px}.section-nav{display:flex;align-self:stretch;align-items:stretch;gap:32px;margin-left:auto}.nav-link{position:relative;display:flex;align-items:center;font-size:14px;color:var(--color-subtle);white-space:nowrap;transition:color 160ms}.nav-link:hover,.nav-link.active{color:var(--color-ink)}.nav-link.active:after{content:"";position:absolute;bottom:-1px;height:3px;background:var(--color-accent);left:0;right:0;border-radius:3px 3px 0 0}.header-download{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:550;border:1px solid var(--color-border);padding:9px 13px;border-radius:var(--radius-control);white-space:nowrap}.header-download .icon{width:16px;height:16px}.header-download:hover{border-color:var(--color-ink)}.page-shell{max-width:calc(var(--page-width) + var(--page-gutter)*2);padding:0 var(--page-gutter);margin:auto}
.hero{display:grid;grid-template-columns:1.04fr 1fr;align-items:center;gap:52px;padding:80px 0 88px}.proposal-label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--color-subtle);margin-bottom:28px}.status-dot{width:6px;height:6px;background:var(--color-accent);border-radius:50%}.label-separator{padding:0 5px;color:#c2c5ca}h1{font-size:var(--type-display);line-height:var(--type-display-leading);letter-spacing:-3px;font-weight:660;margin:0}.hero-description{font-size:17px;line-height:1.85;color:var(--color-subtle);margin:26px 0 22px}.text-link{font-size:14px;color:var(--color-accent);display:inline-flex;align-items:center;gap:10px;font-weight:550}.text-link:hover .icon{transform:translateX(3px)}.text-link .icon{transition:transform 160ms}.focus-stage{height:352px;position:relative;border-radius:var(--radius-large);background:var(--color-surface);padding:24px;isolation:isolate}.stage-caption{font-size:11px;display:flex;justify-content:space-between;color:var(--color-subtle);letter-spacing:.6px}.focus-sheet{position:absolute;top:63px;left:28px;width:calc(100% - 80px);padding:24px;background:white;border:1px solid var(--color-border);border-radius:12px;min-height:235px}.sample-small-label{font-size:11px;color:var(--color-subtle);margin-bottom:14px}.focus-title{font-size:32px;font-weight:650;letter-spacing:-1px;line-height:1.35;margin-top:14px}.focus-sheet p{font-size:12px;color:var(--color-subtle);margin:20px 0 16px}.sample-lines{display:flex;flex-direction:column;gap:6px;max-width:160px;margin-bottom:19px}.sample-lines span{height:4px;background:#eef0f4;border-radius:2px}.sample-lines span:last-child{width:72%}.focus-menu{position:absolute;right:13px;bottom:28px;background:var(--color-ink);color:white;padding:17px 8px 9px;width:216px;border-radius:12px;box-shadow:var(--shadow-overlay);z-index:3;transform-origin:top left}.focus-menu[hidden]{display:none}.menu-heading{font-size:13px;font-weight:600;margin:0 9px 12px}.menu-option{display:flex;width:100%;align-items:center;text-align:left;gap:9px;border:0;background:none;color:#f3f4f6;font-size:12px;border-radius:6px;padding:9px 10px}.menu-option:hover{background:#35373c}.menu-option .icon{margin-left:auto;width:15px;height:15px}.menu-sample-dot{height:9px;width:9px;border-radius:3px}.menu-sample-dot.white{background:white}.menu-sample-dot.blue{background:#4b9aff}.menu-divider{height:1px;background:#3c3e43;margin:7px 8px}.menu-caption{color:var(--color-inverse-subtle);font-size:10px;margin:10px}
.design-section{margin-bottom:var(--space-section);scroll-margin-top:20px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px}.section-heading>div{display:flex;gap:20px;align-items:baseline}.section-index{font-family:var(--font-mono);color:var(--color-subtle);font-size:12px}.section-heading h2{margin:0;font-size:var(--type-section);line-height:1.4;font-weight:610;letter-spacing:-.8px}.section-heading>p{margin:0 0 3px;color:var(--color-subtle);font-size:12px}.palette-primary{display:grid;grid-template-columns:1.3fr 1fr .62fr;gap:16px}.swatch{border:1px solid transparent;padding:23px 25px;height:220px;display:flex;flex-direction:column;justify-content:space-between;border-radius:var(--radius-panel);text-align:left;transition:transform 180ms}.swatch:hover{transform:translateY(-4px)}.canvas-swatch{background:var(--color-canvas);border-color:var(--color-border)}.ink-swatch{background:var(--color-ink);color:var(--color-inverse)}.accent-swatch{background:var(--color-accent);color:var(--color-inverse);height:156px;align-self:end}.swatch-top{display:flex;justify-content:space-between;align-items:flex-start;font-size:22px;font-weight:520;letter-spacing:-.6px}.swatch-cn{display:block;font-size:12px;font-weight:400;opacity:.72;letter-spacing:0;margin-top:3px}.swatch-top>.icon{width:16px;height:16px;opacity:.65;margin-top:4px}.swatch-bottom{display:flex;justify-content:space-between;align-items:end;gap:12px}.swatch-bottom code{font-family:var(--font-mono);font-size:13px}.swatch-bottom>span{font-size:11px;opacity:.75}.palette-support{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}.support-token{display:flex;align-items:center;gap:12px;border:1px solid var(--color-border);background:white;border-radius:10px;padding:15px;text-align:left}.support-token>i{height:30px;width:30px;border-radius:7px;border:1px solid rgb(0 0 0 / 4%)}.support-token>span{font-size:12px;line-height:1.6}.support-token code{display:block;color:var(--color-subtle);font-size:10px;font-family:var(--font-mono)}.support-token>.icon{margin-left:auto;width:15px;height:15px;color:#a2a6ae}.support-token:hover{border-color:#acb4c1}.section-note{font-size:12px;color:var(--color-subtle);margin-top:20px}
.type-list{border-top:1px solid var(--color-border)}.type-row{display:grid;grid-template-columns:130px minmax(0,1fr) 120px;align-items:center;gap:24px;padding:28px 0;border-bottom:1px solid var(--color-border)}.type-role{font-size:12px;font-weight:550}.type-role span{display:block;color:var(--color-subtle);font-size:11px;font-weight:400;margin-top:5px}.type-display{font-size:var(--type-specimen-display);font-weight:620;letter-spacing:-1.8px;line-height:1.25}.type-heading{font-size:var(--type-title);line-height:var(--type-title-leading);font-weight:600;letter-spacing:-1px}.type-body{font-size:var(--type-body);line-height:var(--type-body-leading);font-weight:400}.type-caption{font-size:var(--type-caption);line-height:1.7;color:var(--color-subtle)}.type-value{border:0;background:transparent;display:flex;align-items:center;justify-content:end;gap:10px;color:var(--color-subtle);font-family:var(--font-mono);font-size:11px;white-space:nowrap;padding:10px 0 10px 6px}.type-value .icon{height:14px;width:14px}.type-value:hover{color:var(--color-accent)}
.layout-toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:20px}.segmented{display:inline-flex;background:var(--color-surface);border-radius:9px;padding:4px}.segmented button{border:0;background:transparent;color:var(--color-subtle);padding:9px 17px;border-radius:6px;font-size:12px;white-space:nowrap}.segmented button[aria-pressed=true]{background:white;color:var(--color-ink);box-shadow:0 1px 4px rgb(0 0 0 / 7%)}.icon-text-button{display:inline-flex;gap:7px;align-items:center;background:transparent;border:0;padding:8px 0;font-size:12px;color:var(--color-subtle)}.icon-text-button:hover,.icon-text-button[aria-pressed=true]{color:var(--color-accent)}.icon-text-button .icon{width:16px;height:16px}.layout-canvas{position:relative;background:var(--color-surface);padding:36px;display:grid;gap:24px;grid-template-columns:2fr 1fr;min-height:330px;border-radius:var(--radius-panel);isolation:isolate}.layout-grid{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(to right,transparent 31px,#0866ff15 31px,#0866ff15 32px),linear-gradient(to bottom,transparent 31px,#0866ff15 31px,#0866ff15 32px);background-size:32px 32px;border:1px solid #0866ff30;border-radius:inherit;opacity:0;z-index:3}.show-grid .layout-grid{opacity:1}.layout-main{border:1px solid var(--color-border);background:white;border-radius:10px;padding:28px;min-width:0}.layout-role{font-size:11px;color:var(--color-subtle)}.layout-main h3{font-size:27px;line-height:1.5;font-weight:600;margin:16px 0 12px;letter-spacing:-.8px}.layout-main p{font-size:12px;line-height:1.9;color:var(--color-subtle);margin:0}.layout-rule{font-size:10px;color:var(--color-subtle);display:flex;align-items:center;gap:6px;margin-top:24px}.layout-rule i{width:5px;height:5px;background:var(--color-accent);border-radius:50%}.layout-aside{padding:28px;border-radius:10px;background:white;border:1px solid var(--color-border);display:flex;flex-direction:column;min-width:0}.layout-aside .layout-role{color:var(--color-subtle)}.layout-aside-line{margin:24px 0 18px;width:32px;height:2px;background:var(--color-border);border-radius:2px}.layout-aside p{font-size:13px;line-height:1.9;color:var(--color-subtle);margin:0}.layout-number{font-size:22px;font-weight:500;letter-spacing:-.5px;color:var(--color-subtle);margin-top:auto;padding-top:24px;line-height:1}.layout-canvas[data-layout=balanced]{grid-template-columns:1fr 1fr}.layout-canvas[data-layout=stacked]{grid-template-columns:1fr}.layout-canvas[data-layout=stacked] .layout-aside{display:grid;grid-template-columns:1fr 2fr auto;gap:20px;align-items:center}.layout-canvas[data-layout=stacked] .layout-aside-line{display:none}.layout-canvas[data-layout=stacked] .layout-number{margin:0;padding:0;font-size:22px}.spacing-row{display:flex;align-items:center;gap:28px;padding:24px 0;border-bottom:1px solid var(--color-border)}.spacing-title{font-size:12px;margin-right:18px}.space-token{display:flex;align-items:center;gap:8px}.space-token>i{height:16px;background:var(--color-accent-soft);border-left:1px solid #7baaff;border-right:1px solid #7baaff}.space-token code{font-family:var(--font-mono);font-size:10px;color:var(--color-subtle)}.spacing-row p{font-size:12px;color:var(--color-subtle);margin:0 0 0 auto}
.component-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.component-panel{padding:30px 32px;border:1px solid var(--color-border);border-radius:var(--radius-panel)}.panel-caption,.field-label{display:block;font-size:12px;font-weight:500;margin-bottom:24px}.button{display:inline-flex;justify-content:center;align-items:center;gap:10px;min-height:42px;padding:10px 17px;font-size:13px;font-weight:500;line-height:20px;border:1px solid transparent;border-radius:var(--radius-control);transition:background 150ms,color 150ms,border-color 150ms}.button .icon{width:17px;height:17px}.primary{background:var(--color-accent);color:white}.primary:hover{background:var(--color-accent-hover)}.secondary{background:white;border-color:var(--color-border)}.secondary:hover{background:var(--color-surface);border-color:#bec3cc}.text-button{padding-left:4px;padding-right:4px;background:transparent;color:var(--color-accent)}.text-button:hover{color:var(--color-accent-hover)}.compact{min-height:34px;padding:6px 12px;font-size:11px;gap:7px}.button:disabled{color:#a5a8af;background:var(--color-surface);border-color:transparent}.button-samples{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.button-size-row{margin-top:22px;gap:14px}.panel-footnote{margin-top:34px;font-size:11px;color:var(--color-subtle);line-height:1.75}.form-panel .field-label{margin-bottom:9px}.form-panel input:not([type=checkbox]){width:100%;padding:11px 13px;border:1px solid #d8dce3;border-radius:var(--radius-control);font-size:13px;background:white;color:var(--color-ink);min-height:42px}.form-panel input::placeholder{color:#989da6}.form-panel input:focus{outline:2px solid var(--color-accent);outline-offset:1px;border-color:var(--color-accent)}.control-row{display:flex;justify-content:space-between;align-items:center;margin:24px 0}.control-label{font-size:12px}.control-description{font-size:10px;color:var(--color-subtle);display:block;margin-top:4px}.switch{width:38px;height:22px;border:0;padding:3px;border-radius:20px;background:var(--color-accent);flex:none}.switch span{display:block;width:16px;height:16px;border-radius:50%;background:white;transform:translateX(16px);box-shadow:0 1px 2px rgb(0 0 0 / 12%)}.switch[aria-checked=false]{background:#b7bec9}.disclosure-trigger{border:0;border-top:1px solid var(--color-border);padding:15px 0 0;background:transparent;width:100%;font-size:12px;text-align:left;display:flex;align-items:center;justify-content:space-between}.disclosure-trigger .icon{width:16px;height:16px;transition:transform 200ms}.disclosure-trigger[aria-expanded=true] .icon{transform:rotate(180deg)}.disclosure-content{overflow:hidden}.disclosure-content p{margin:13px 0 0;font-size:12px;color:var(--color-subtle);line-height:1.8}.disclosure-content[hidden]{display:none}
.motion-section{margin-bottom:72px}.motion-stage{display:grid;grid-template-columns:repeat(3,1fr);background:var(--color-surface);border-radius:var(--radius-panel);padding:28px 12px}.motion-demo{text-align:center;padding:5px 16px 12px}.motion-demo+.motion-demo{border-left:1px solid var(--color-border)}.motion-demo-space{height:118px;display:flex;align-items:center;justify-content:center;margin-bottom:10px}.motion-name{display:block;font-size:12px;font-weight:500;margin-bottom:6px}.motion-demo code{font-size:10px;color:var(--color-subtle);font-family:var(--font-mono)}.press-demo{width:56px;height:56px;border:0;border-radius:16px;background:var(--color-accent);color:white;display:grid;place-items:center}.press-demo .icon{width:25px;height:25px}.motion-track{height:34px;width:100px;padding:5px;border-radius:30px;border:1px solid #d8e5fb;background:white;position:relative}.motion-track span{display:block;width:24px;height:24px;background:var(--color-accent);border-radius:50%}.entry-stack{width:124px;display:flex;flex-direction:column;gap:8px}.entry-stack span{display:block;height:17px;background:var(--color-accent);border-radius:4px}.entry-stack span:nth-child(2){opacity:.56;width:82%}.entry-stack span:nth-child(3){opacity:.23;width:62%}.motion-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:20px}.motion-footer p{font-size:11px;color:var(--color-subtle);margin:0}.reduce-label{display:flex;align-items:center;gap:7px;font-size:11px;white-space:nowrap;color:var(--color-subtle);cursor:pointer}.reduce-label input{accent-color:var(--color-accent);margin:0}.page-footer{border-top:1px solid var(--color-border);padding:28px 0 36px;display:flex;justify-content:space-between;align-items:center;gap:20px}.footer-brand{font-size:15px;font-weight:600;letter-spacing:-.4px}.footer-brand span{font-size:11px;font-weight:400;color:var(--color-subtle);margin-left:14px;letter-spacing:0}.page-footer>div{display:flex;gap:24px;font-size:11px;color:var(--color-subtle)}.page-footer a:hover{color:var(--color-accent)}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,10px);background:var(--color-ink);color:white;font-size:12px;padding:12px 18px;border-radius:10px;box-shadow:var(--shadow-overlay);z-index:50;opacity:0;pointer-events:none;max-width:calc(100vw - 32px);text-align:center}
@media(min-width:1500px){.hero{padding-top:96px;padding-bottom:100px}.focus-stage{height:370px}}
@media(max-width:1080px){.header-inner{gap:20px}.section-nav{gap:24px}.hero{gap:32px}h1{letter-spacing:-2px}.focus-sheet{left:22px;width:calc(100% - 55px);padding:22px}.focus-title{font-size:27px}.focus-menu{right:6px;width:193px}.section-heading h2{font-size:var(--type-section)}.spacing-row{gap:18px}.spacing-title{margin-right:0}.type-row{grid-template-columns:100px minmax(0,1fr) 100px;gap:18px}.type-display{font-size:var(--type-specimen-display)}.type-heading{font-size:var(--type-title)}.component-panel{padding:25px}.swatch{padding:22px}.swatch-bottom{align-items:start;flex-direction:column;gap:5px}}
@media(max-width:760px){html{scroll-padding-top:124px}.header-inner{height:108px;position:relative;align-items:flex-start;padding-top:18px;gap:14px}.brand{font-size:21px}.brand svg{width:28px;height:28px}.header-download{margin-left:auto;font-size:11px;padding:7px 10px}.section-nav{position:absolute;bottom:0;left:var(--page-gutter);right:var(--page-gutter);height:43px;margin:0;gap:28px;overflow-x:auto;scrollbar-width:none}.section-nav::-webkit-scrollbar{display:none}.nav-link{font-size:12px}.hero{grid-template-columns:1fr;gap:34px;padding:44px 0 60px}.proposal-label{margin-bottom:22px;font-size:11px}h1{font-size:var(--type-display);letter-spacing:-1.8px}.hero-description{margin:18px 0;font-size:15px;line-height:1.8}.hero-link{font-size:12px}.focus-stage{height:390px;max-width:550px;width:100%}.focus-sheet{top:62px;left:23px;min-height:220px;width:calc(100% - 66px);padding:22px}.focus-title{font-size:28px}.focus-menu{width:182px;right:12px;bottom:18px}.section-heading{align-items:start;flex-direction:column;gap:9px;margin-bottom:22px}.section-heading>div{gap:13px}.section-heading h2{font-size:var(--type-section);letter-spacing:-.6px}.section-heading>p{padding-left:29px;font-size:11px}.palette-primary{gap:10px;grid-template-columns:1fr 1fr}.canvas-swatch{grid-column:1/-1;height:164px}.swatch{height:186px;padding:20px}.accent-swatch{height:140px}.swatch-top{font-size:21px}.swatch-bottom code{font-size:11px}.swatch-bottom>span{font-size:10px}.palette-support{grid-template-columns:1fr;gap:8px;margin-top:12px}.support-token{padding:12px 14px}.support-token>span{display:flex;align-items:center;justify-content:space-between;flex:1}.support-token code{font-size:11px}.support-token>i{width:23px;height:23px;border-radius:5px}.section-note{font-size:11px;line-height:1.8}.type-row{grid-template-columns:1fr auto;padding:22px 0;gap:16px 8px}.type-role{font-size:11px}.type-role span{display:inline;margin-left:8px;font-size:10px}.type-sample{grid-column:1/-1;grid-row:2}.type-value{grid-column:2;grid-row:1;font-size:10px;padding:0}.type-display{font-size:var(--type-specimen-display);letter-spacing:-1px}.type-heading{font-size:var(--type-title);letter-spacing:-.6px}.type-body{font-size:var(--type-body)}.type-caption{font-size:var(--type-caption)}.layout-toolbar{gap:8px;flex-wrap:wrap}.segmented{width:auto}.segmented button{font-size:11px;padding:8px 11px}.icon-text-button{font-size:11px;gap:5px}.layout-canvas{padding:18px;gap:14px;min-height:0;grid-template-columns:1fr!important}.layout-main,.layout-aside{padding:23px}.layout-main h3{font-size:24px;margin-top:14px}.layout-aside,.layout-canvas[data-layout=stacked] .layout-aside{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.layout-aside p{grid-column:1;grid-row:2;font-size:12px}.layout-aside-line{display:none}.layout-aside .layout-number,.layout-canvas[data-layout=stacked] .layout-number{grid-column:2;grid-row:1/3;padding:0;margin:0;font-size:22px}.spacing-row{flex-wrap:wrap;gap:13px;padding:20px 0}.spacing-title{width:100%;font-size:11px}.spacing-row p{font-size:11px;margin:0;width:100%;padding-top:3px}.space-token{gap:6px}.component-grid{grid-template-columns:1fr;gap:16px}.component-panel{padding:25px}.panel-caption{margin-bottom:21px}.panel-footnote{margin-top:26px}.motion-section .section-heading{flex-direction:row;align-items:flex-start;gap:12px}.motion-section .section-heading h2{max-width:230px;font-size:23px}.motion-section .section-heading>div{gap:12px}.motion-section .icon-text-button{flex:none;margin-top:3px}.motion-stage{padding:15px 0}.motion-demo{padding:8px}.motion-demo-space{height:90px}.press-demo{height:45px;width:45px;border-radius:12px}.motion-track{width:76px;height:30px;padding:4px}.motion-track span{width:20px;height:20px}.entry-stack{width:70px;gap:6px}.entry-stack span{height:13px}.motion-name{font-size:10px}.motion-demo code{font-size:9px}.motion-footer{align-items:start;gap:15px}.motion-footer p{max-width:220px;line-height:1.8;font-size:10px}.reduce-label{font-size:10px;margin-top:3px}.page-footer{align-items:start;flex-direction:column;gap:19px}.page-footer>div{gap:25px}.motion-section{margin-bottom:48px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:0s!important;animation-duration:0s!important}}html[data-reduced=true]{scroll-behavior:auto}html[data-reduced=true] *,html[data-reduced=true] *:before,html[data-reduced=true] *:after{transition-duration:0s!important}