/* Web layouts; shared brand values are loaded from the canonical token file. */
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--pb-background);color:var(--pb-text-primary);font:var(--pb-type-body)/var(--pb-leading-body) var(--pb-font-body);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a,button{transition:color var(--pb-motion-fast),background var(--pb-motion-fast)}:focus-visible{outline:var(--pb-focus-width) solid var(--pb-accent);outline-offset:var(--pb-focus-offset)}::selection{background:var(--pb-accent);color:var(--pb-on-accent)}img{max-width:100%}h1,h2,h3,p,figure{margin:0}h1,h2,h3,.brand{font-family:var(--pb-font-display);font-weight:600}p{overflow-wrap:anywhere}.wrap{max-width:var(--pb-width-content);margin-inline:auto;padding-inline:var(--pb-page-inset-large)}.header{height:104px;display:flex;justify-content:space-between;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:22px;min-height:44px;flex-shrink:0;letter-spacing:-.6px}.header nav{display:flex;align-items:center;gap:28px;font-size:14px;color:var(--pb-text-secondary)}.header nav a{display:inline-flex;align-items:center;gap:8px;min-height:44px}.header [aria-current=page]{color:var(--pb-accent)}.skip-link{position:fixed;top:8px;left:20px;padding:12px 20px;z-index:10;background:var(--pb-accent);color:var(--pb-on-accent);transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.accent{color:var(--pb-accent)}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--pb-text-secondary);font-weight:500;line-height:1.5}.tiny-bell{color:var(--pb-accent);font-size:20px;margin-right:8px}.hero{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:64px;padding-top:64px;padding-bottom:80px}.hero h1{font-size:var(--pb-type-hero);line-height:var(--pb-leading-hero);letter-spacing:-2px;margin:24px 0 20px}.hero-zh{font-size:22px;font-weight:500;letter-spacing:.5px}.hero-description{color:var(--pb-text-secondary);max-width:420px;margin-top:16px;line-height:1.85}.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:48px;padding:12px 24px;border-radius:var(--pb-radius-control);border:1px solid transparent;font-weight:600;font-size:14px}.primary{background:var(--pb-accent);color:var(--pb-on-accent)}.hero .primary{border-radius:var(--pb-radius-pill)}.secondary{background:var(--pb-surface);color:var(--pb-text-primary);border-color:var(--pb-border)}.text-link{display:inline-flex;align-items:center;gap:16px;min-height:44px;font-size:14px;color:var(--pb-text-secondary)}.meta{font-size:14px;color:var(--pb-text-secondary)}.release-note{margin-top:20px;font-size:12px}.hero-device{display:flex;align-items:center;flex-direction:column;justify-content:center}.watch-shell{width:276px;min-height:330px;padding:9px;border:2px solid var(--pb-border);border-radius:64px;position:relative;background:var(--pb-surface)}.watch-shell:after{content:"";position:absolute;width:7px;height:40px;right:-9px;top:80px;background:var(--pb-border);border-radius:0 5px 5px 0}.watch-screen{background:var(--pb-background);border-radius:53px;padding:32px 17px 26px;min-height:308px}.watch-top{display:flex;align-items:center;gap:7px;font:600 20px var(--pb-font-display)}.watch-source{color:var(--pb-text-secondary);font-size:12px;margin:10px 0 14px}.watch-message{padding:16px 14px;border-radius:var(--pb-radius-card);background:var(--pb-surface)}.watch-time{font-size:10px;color:var(--pb-text-secondary);display:flex;align-items:center;gap:6px}.unread-dot{width:5px;height:5px;display:inline-block;border-radius:50%;background:var(--pb-accent);flex-shrink:0}.watch-message h2{font-size:18px;line-height:1.4;margin:8px 0}.watch-message>p:last-child{font-size:12px;color:var(--pb-text-secondary);line-height:1.7}.watch-bottom{font-size:11px;color:var(--pb-text-secondary);text-align:center;margin-top:20px}.hero-device figcaption{margin-top:24px;color:var(--pb-text-secondary);font-size:14px;text-align:center}.hero-device figcaption span{display:block;font-size:11px;margin-top:4px}.signal-strip{display:flex;align-items:center;justify-content:space-between;padding-block:24px;color:var(--pb-text-secondary);font-size:14px;border-block:1px solid var(--pb-surface)}.signal-strip>span{color:var(--pb-accent)}.section{padding-top:80px;padding-bottom:24px}.section-intro .eyebrow{margin-bottom:16px}.section-intro h2{font-size:28px;line-height:1.35;letter-spacing:-.6px}.section-intro>p:not(.eyebrow){color:var(--pb-text-secondary);margin-top:12px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:40px}.feature-index{display:block;color:var(--pb-text-secondary);font-size:12px;margin-bottom:16px}.features h3{font-size:18px;margin-bottom:12px}.features p{color:var(--pb-text-secondary);font-size:14px;line-height:1.85}.workflow{display:grid;grid-template-columns:1fr 1fr;gap:64px}.workflow .text-link{margin-top:20px;color:var(--pb-accent)}.steps{margin:0;padding:0;list-style:none}.steps li{display:flex;gap:20px;padding:0 0 28px}.steps li:last-child{padding-bottom:0}.step-number{font:14px var(--pb-font-mono);color:var(--pb-accent);flex-shrink:0;min-width:30px;min-height:30px;display:flex;align-items:center;justify-content:center;background:var(--pb-accent-subtle);border-radius:8px;align-self:flex-start}.steps h3{font-size:16px;line-height:30px}.steps p{font-size:14px;color:var(--pb-text-secondary);margin-top:8px}.faq{padding-bottom:80px}.faq-list{margin-top:28px}details{border-top:1px solid var(--pb-surface);padding-block:8px}details:last-child{border-bottom:1px solid var(--pb-surface)}summary{cursor:pointer;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:20px;list-style:none;font-size:16px}summary::-webkit-details-marker{display:none}summary:after{content:"+";font:22px var(--pb-font-mono);color:var(--pb-text-secondary)}details[open] summary:after{content:"−"}details p{max-width:720px;color:var(--pb-text-secondary);font-size:14px;line-height:1.85;padding-bottom:20px}.footer{display:flex;align-items:center;gap:24px;justify-content:space-between;border-top:1px solid var(--pb-surface);padding-block:32px;color:var(--pb-text-secondary);font-size:12px}.footer .brand{font-size:17px;color:var(--pb-text-primary)}.footer>a:last-child{min-height:44px;display:flex;align-items:center;gap:12px}
/* Documentation */
.docs-layout{display:grid;grid-template-columns:var(--pb-width-sidebar) minmax(0,1fr);gap:48px;padding-top:40px;padding-bottom:80px}.docs-nav{align-self:start;position:sticky;top:32px}.docs-nav p{color:var(--pb-text-secondary);font-size:12px;letter-spacing:1px;margin-bottom:16px}.docs-nav a{display:flex;align-items:center;min-height:44px;padding:8px 12px;border-radius:8px;font-size:14px;color:var(--pb-text-secondary)}.docs-nav a[aria-current=location]{color:var(--pb-accent);background:var(--pb-accent-subtle)}.docs-content{min-width:0;max-width:var(--pb-width-reading)}.docs-content h1{font-size:36px;letter-spacing:-1px;line-height:1.2;margin:16px 0}.docs-lead{color:var(--pb-text-secondary);font-size:18px;line-height:1.8}.docs-section{margin-top:56px;scroll-margin-top:32px}.docs-section>h2{font-size:24px;letter-spacing:-.4px;margin-bottom:20px}.docs-content h3{font-size:18px;margin:28px 0 12px}.docs-content p{margin-bottom:16px}.docs-content ul,.docs-content ol{padding-left:24px;color:var(--pb-text-secondary)}.docs-content li{padding-left:4px;margin-block:10px}.docs-content li strong{color:var(--pb-text-primary);font-weight:500}.docs-content a:not(.button){text-decoration:underline;text-underline-offset:4px;color:var(--pb-accent)}.notice{padding:20px 24px;border-radius:var(--pb-radius-card);background:var(--pb-surface);margin-block:24px;font-size:14px;color:var(--pb-text-secondary)}.notice strong{display:block;color:var(--pb-text-primary);margin-bottom:8px}.notice p:last-child{margin-bottom:0}.notice.warning{border-left:3px solid var(--pb-warning)}code,pre,textarea{font-family:var(--pb-font-mono)}:not(pre)>code{font-size:.87em;color:var(--pb-accent);overflow-wrap:anywhere}pre{margin:0;padding:20px 24px;overflow:auto;max-width:100%;font-size:14px;line-height:1.8;color:var(--pb-text-primary);tab-size:2}.code-box{background:var(--pb-surface);border-radius:var(--pb-radius-card);margin-block:16px;overflow:hidden}.code-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 16px 6px 24px;border-bottom:1px solid var(--pb-background);color:var(--pb-text-secondary);font-size:12px}.copy-button{display:inline-flex;align-items:center;justify-content:center;min-width:64px;min-height:44px;background:transparent;border:0;color:var(--pb-text-secondary);font-size:12px;border-radius:8px;padding:8px}.prompt-form{padding:24px;background:var(--pb-surface);border-radius:var(--pb-radius-card);margin-top:24px}.prompt-form label{display:block;font-size:14px;margin-bottom:8px}.prompt-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.field{min-width:0}input{width:100%;min-height:48px;padding:12px 14px;background:var(--pb-background);border:1px solid var(--pb-border);color:var(--pb-text-primary);border-radius:var(--pb-radius-control);font-size:14px}input::placeholder{color:var(--pb-text-secondary)}input[aria-invalid=true]{border-color:var(--pb-danger)}.field-help{font-size:12px;color:var(--pb-text-secondary);margin-top:8px!important}.form-error{color:var(--pb-danger);font-size:14px;margin-top:12px}.form-error:empty{display:none}.prompt-form .button{margin-top:8px}.prompt-label{display:flex;align-items:center;justify-content:space-between;margin-top:28px}.prompt-label label{margin:0}.prompt-output{display:block;width:100%;resize:vertical;min-height:280px;max-height:600px;background:var(--pb-background);color:var(--pb-text-secondary);border:1px solid var(--pb-border);border-radius:var(--pb-radius-control);font-size:13px;line-height:1.8;padding:16px;margin-top:8px}.copy-status{font-size:12px;color:var(--pb-accent);min-height:24px;margin:12px 0 0!important}.table-scroll{overflow:auto;max-width:100%;margin-block:20px}table{border-collapse:collapse;width:100%;font-size:14px;text-align:left}th{font-weight:500;color:var(--pb-text-primary)}td{color:var(--pb-text-secondary)}th,td{border-bottom:1px solid var(--pb-border);padding:14px 12px;vertical-align:top;min-width:110px}th:first-child,td:first-child{padding-left:0}td code{white-space:normal}.endpoint{font:14px var(--pb-font-mono);overflow-wrap:anywhere;color:var(--pb-accent)}.docs-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--pb-surface);color:var(--pb-text-secondary);font-size:14px}
@media(hover:hover){.header a:hover,.text-link:hover,.footer>a:hover{color:var(--pb-accent)}.primary:hover{background:var(--pb-text-primary)}.secondary:hover,.copy-button:hover{background:var(--pb-surface-hover);color:var(--pb-text-primary)}.docs-nav a:hover{background:var(--pb-surface)}summary:hover{color:var(--pb-accent)}}.button:active,.copy-button:active{opacity:.8}button:disabled{opacity:.55;cursor:wait}
@media(max-width:1023px){.hero{gap:32px;padding-top:40px}.docs-layout{grid-template-columns:1fr;gap:24px;padding-top:24px}.docs-nav{position:static;display:flex;flex-wrap:wrap;gap:4px;padding-bottom:20px;border-bottom:1px solid var(--pb-surface)}.docs-nav p{width:100%;margin-bottom:8px}.docs-content{max-width:720px;margin-inline:auto;width:100%}.workflow{gap:32px}.features{gap:24px}}
@media(max-width:767px){.wrap{padding-inline:var(--pb-page-inset-small)}.header{height:84px;gap:12px}.brand{font-size:20px}.header nav{gap:16px;font-size:12px}.hero{grid-template-columns:1fr;padding-top:40px;padding-bottom:48px;gap:48px}.hero-copy{max-width:500px}.hero h1{letter-spacing:-1.5px}.hero-zh{font-size:20px}.hero-description{font-size:15px}.hero-actions{gap:16px}.hero-device{padding-block:8px}.signal-strip{flex-wrap:wrap;justify-content:center;gap:12px 16px;font-size:12px;padding-block:20px}.signal-strip>span{display:none}.section{padding-top:56px}.section-intro h2{font-size:24px}.features{grid-template-columns:1fr;gap:28px;margin-top:28px}.features article{padding-bottom:24px;border-bottom:1px solid var(--pb-surface)}.feature-index{margin-bottom:10px}.workflow{grid-template-columns:1fr;gap:28px}.faq{padding-bottom:48px}.footer{flex-wrap:wrap;gap:8px 20px}.footer p{order:3;width:100%;font-size:12px}.docs-content h1{font-size:30px}.docs-lead{font-size:16px}.docs-section{margin-top:40px}.docs-section>h2{font-size:22px}.prompt-form,.notice{padding:20px}.prompt-fields{grid-template-columns:1fr}.code-top{padding-left:16px}pre{padding:16px;font-size:12px}.prompt-label{align-items:center;gap:12px}.docs-layout{padding-bottom:48px}.table-scroll{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}