:root{color-scheme:light;--bg:#fff;--surface:#f5f5f7;--card:#fff;--ink:#1d1d1f;--muted:#6e6e73;--accent:#0066cc;--blue:#0071e3;--line:#d9d9de;--line-strong:#babac1;--paper-strong:#fff;--paper:#f5f5f7;--ease-out:cubic-bezier(.22,1,.36,1);--nav:rgba(255,255,255,.84);--warm:#f5f0e8}
:root[data-theme=dark]{color-scheme:dark;--bg:#101012;--surface:#19191c;--card:#252529;--ink:#f5f5f7;--muted:#b2b2b8;--accent:#66aeff;--blue:#0071e3;--line:#3b3b41;--line-strong:#5a5a63;--paper-strong:#252529;--paper:#19191c;--nav:rgba(16,16,18,.85);--warm:#2c2926}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:82px}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 -apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue","PingFang SC",sans-serif;letter-spacing:-.025em;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p,figure,dl{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button{border:0}a:hover{color:var(--accent)}button:active,.pill:active{transform:scale(.97)}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}img{display:block;max-width:100%;height:auto}h1,h2,h3{font-weight:650;line-height:1.13;letter-spacing:-.055em}h2{font-size:clamp(34px,4.1vw,58px)}h3{font-size:36px}button,a{touch-action:manipulation}.shell{width:min(1160px,calc(100% - 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@media(min-width:1450px){.hero{min-height:740px}.hero-art{width:calc(100% + 130px);margin-left:-20px}}
@media(max-width:1050px){.shell{width:calc(100% - 72px)}.hero{grid-template-columns:1fr 1fr;min-height:630px}.hero-art{width:calc(100% + 40px);margin-left:-20px}.hero-actions{gap:18px}.hero-actions .pill{font-size:13px;padding-inline:17px}.hero-actions .text-link{font-size:13px}.hero-intro{font-size:15px}.feature-copy{padding-left:32px}.feature h3{font-size:32px}.project-actions{gap:14px}.project-actions .pill{font-size:12px;padding-inline:15px}.project-actions .more>span{display:none}.card-copy{padding:32px 30px 0}.card-copy h3{font-size:32px}.daily-art{margin-inline:30px}.player-art{height:280px}.card-bottom{padding-inline:25px}.small-projects{gap:35px}.about-section,.now-grid{gap:55px}.hero h1{font-size:58px}.about-lead{font-size:21px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.daily-art{transform:none}}
/* Crop the existing screenshots in the viewport; retain the full evidence in details. */
.daily-art{position:relative;width:280px;max-width:calc(100% - 70px);height:300px;margin:35px auto 24px;border-radius:2px;background:white;flex-shrink:0}
.daily-art img{position:absolute;width:720px;max-width:none;height:auto;aspect-ratio:auto;left:-416px;top:-204px}
.player-art{position:relative;width:320px;max-width:calc(100% - 40px);height:330px;min-height:330px;margin:22px auto 7px}
.player-art img{position:absolute;width:auto;max-width:none;height:510px;top:-92px;left:50%;transform:translateX(-78%)}
:root{--accent:#0a57ff;--blue:#0a57ff;--accent-hover:#004ee6;--paper-soft:var(--surface);--muted-strong:#424245;--radius-pill:999px;--status-green:#16864b;--status-red:#d94b51}
:root[data-theme=dark]{--accent:#82abff;--accent-hover:#a8c4ff;--muted-strong:#d2d2d7}
.primary:hover{background:var(--accent-hover)}
:root[data-theme=dark] .hero-art img{mix-blend-mode:lighten;border-radius:0}
.daily-art{height:auto;overflow:visible}.receipt-mini{padding:18px 23px 20px;color:#292a2c;line-height:1.4;letter-spacing:0}.receipt-notice{display:block;background:#f4f4f2;color:#6e6e73;font-size:8px;text-align:center;padding:5px;border-radius:5px}.receipt-en{display:block;text-align:center;letter-spacing:2px;font-size:7px;color:#6e6e73;margin:13px 0 7px}.receipt-title{display:block;font-size:20px;text-align:center;letter-spacing:-.04em}.receipt-sub{display:block;font-size:9px;color:#6e6e73;text-align:center;margin-top:5px}.receipt-date,.receipt-sum{display:flex;justify-content:space-between;font-size:8px;padding:11px 0;border-bottom:1px solid #e5e5e3;margin-top:6px}.receipt-date>span,.receipt-sum>span{color:#6e6e73}.receipt-mini ol{list-style:none;margin:0;padding:0}.receipt-mini li{border-bottom:1px solid #e5e5e3;padding:9px 0}.receipt-mini li span{font-size:8px;color:#0a57ff;display:block;margin-bottom:3px}.receipt-mini li b{font-size:10px;font-weight:550;display:block}.receipt-sum{border:0;align-items:center;margin:0;padding-bottom:7px}.receipt-sum b{font-size:15px}.receipt-pending{display:block;text-align:center;font-size:8px;color:#6e6e73;border-top:1px dashed #d8d8d6;padding-top:8px}
.chat-preview-note{padding:10px 20px;font-size:12px;line-height:1.6;color:var(--muted);background:var(--surface)}.chat-preview-note a{color:var(--accent);display:block}
/* Feedback 2: complete image boundaries, inline biography, explicit destinations. */
.feature{grid-template-columns:.85fr 1.15fr}.feature-copy{padding-right:24px}.saas-stage{min-width:0;padding:34px 30px 28px 0;overflow:visible}.screen{width:100%;border-radius:12px}.screen img{width:100%;height:auto;aspect-ratio:auto;object-fit:contain}.view-switch{margin-right:0}.saas-stage figcaption{padding-right:0}.window-chrome span{padding-right:36px}
.detail-heading{display:flex;align-items:center;justify-content:space-between;gap:24px}.detail-heading .eyebrow{color:var(--muted);margin-bottom:14px}.detail-heading h2{font-size:42px;overflow-wrap:anywhere}.detail-site{flex-shrink:0;font-size:12px;min-height:40px;padding:10px 16px}.detail-action{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;border-top:1px solid var(--line);padding-top:25px}.detail-action .primary{color:white}.detail-action .secondary{color:var(--ink)}.project-story-decisions{list-style:none;margin:28px 0;padding:0}.project-story-decisions li{padding:18px 0;border-top:1px solid var(--line)}.project-story-decisions h6{margin:4px 0 9px}.project-story-decisions li>span{font-size:11px;color:var(--accent)}
.about-section{align-items:start}.about-photo{position:sticky;top:94px}.about-reader{min-width:0;padding-top:5px}.about-selector{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:28px}.about-selector button{background:transparent;color:var(--muted);font-size:12px;padding:8px 13px;min-height:40px;border-radius:24px}.about-selector button[aria-pressed=true]{background:var(--surface);color:var(--ink);font-weight:600}.about-viewport{overflow:hidden;transition:height .35s var(--ease-out);touch-action:pan-y}.about-track{display:flex;align-items:flex-start;transition:transform .45s var(--ease-out);will-change:transform}.about-slide{flex:0 0 100%;min-width:0;padding:2px 6px 10px 2px}.about-slide h2{font-size:46px;line-height:1.18;margin:20px 0 24px}.about-slide .eyebrow{font-size:12px;color:var(--muted)}.about-slide>.about-lead{font-size:22px;margin:22px 0}.about-slide>p:not(.eyebrow):not(.about-lead){font-size:15px;color:var(--muted);line-height:1.9;margin:16px 0}.about-controls{display:flex;align-items:center;gap:14px;margin-top:22px;border-top:1px solid var(--line);padding-top:20px}.about-controls button{background:var(--surface);border-radius:25px;min-height:42px;padding:10px 18px;font-size:13px}.about-controls button:disabled{opacity:.3;cursor:default;transform:none}.about-progress{font-size:11px;color:var(--muted);margin-right:auto;white-space:nowrap}.slide-traits dl>div{padding:15px 0;border-bottom:1px solid var(--line)}.slide-traits dt{font-size:17px;font-weight:600;line-height:1.6}.slide-traits dd{margin:7px 0 0;font-size:14px;color:var(--muted);line-height:1.85}.slide-life ul{list-style:none;padding:0;margin:0}.slide-life li{display:flex;gap:22px;padding:19px 0;border-bottom:1px solid var(--line);font-size:15px}.slide-life li>span{font-weight:600;color:var(--accent)}.slide-life p{color:var(--muted);font-size:14px}.slide-timeline{list-style:none;padding:0;margin:0}.slide-timeline li{border-left:1px solid var(--line);padding:0 0 20px 20px}.slide-timeline time{font-size:11px;color:var(--accent);display:block}.slide-timeline strong{font-size:15px;display:block;margin:5px 0}.slide-timeline p{font-size:13px;color:var(--muted);line-height:1.7}.completion-signals{list-style:none;padding:8px 0 0;margin:20px 0 25px}.completion-signals li{display:flex;gap:20px;align-items:baseline;border-top:1px solid var(--line);padding:18px 0}.completion-signals li>span{font-size:11px;color:var(--accent);font-variant-numeric:tabular-nums}.completion-signals strong{font-size:16px;font-weight:550}.completion-signals p{font-size:13px;color:var(--muted);margin-top:5px}.logo-story-button{display:block;padding:12px;background:transparent;border-radius:22px;margin:0 auto 22px}.logo-story-button:hover{background:var(--surface)}.logo-story-button img{margin:0}.logo-story-art img{width:86px;height:86px;margin-bottom:30px}.logo-story-art~.detail-prose{margin-top:25px}
@media(max-width:1050px){.feature{grid-template-columns:.85fr 1.15fr}.feature-copy{padding-right:12px}.saas-stage{padding-right:24px}.about-slide h2{font-size:38px}.about-controls{gap:8px}.about-controls button{padding-inline:12px}.about-selector{gap:2px}.about-selector button{padding-inline:10px}}
@media(max-width:760px){.feature{grid-template-columns:1fr}.feature-copy{padding-right:28px}.saas-stage{padding:28px 20px 24px}.screen{width:100%}.about-photo{position:static}.about-selector{margin-bottom:20px;gap:3px}.about-selector button{padding-inline:12px}.about-slide h2{font-size:36px}.about-slide>.about-lead{font-size:20px}.about-slide>p:not(.eyebrow):not(.about-lead){font-size:14px}.about-controls{margin-top:17px}.detail-heading{align-items:flex-start;flex-direction:column;gap:17px}.detail-heading h2{font-size:32px}.detail-site{font-size:12px}.detail-action{gap:10px}.detail-action .pill{font-size:12px}.completion-signals{margin-top:22px}.completion-signals li{padding-block:16px}.completion-signals strong{font-size:15px}}
.about-section{padding-top:85px}.about-reader{scroll-margin-top:84px}.about-viewport{transition:none}
@media(max-width:760px){.about-section{padding-top:75px}}
.about-reader{width:100%;max-width:100%}
.about-reader{scroll-margin-top:0}
/* V6: floating navigation and native scrolling, including iPhone safe areas. */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
html.is-ios-wechat-webview, html.is-ios-wechat-webview body {
  -webkit-text-size-adjust: none !important;
  text-size-adjust: none !important;
}
.topbar{width:min(1160px,calc(100% - 48px));margin:14px auto 0;top:max(12px,env(safe-area-inset-top));border:1px solid color-mix(in srgb,var(--line) 65%,transparent);border-radius:22px;box-shadow:0 6px 24px #00000007;background:var(--nav)}
.nav-wrap{width:calc(100% - 28px);height:62px;gap:24px}.brand-shell{display:flex;align-items:center;gap:2px;flex-shrink:0}.nav-logo-button{background:transparent;display:grid;place-items:center;width:44px;height:44px;border-radius:14px;padding:8px}.nav-logo-button:hover{background:var(--surface)}.nav-logo-button img{width:28px;height:28px}.brand{min-height:44px;display:flex;align-items:center}.theme{width:44px;height:44px}nav a{display:flex;align-items:center;justify-content:center;min-height:44px;min-width:38px;padding:0}
.scroll-reveal{opacity:var(--reveal-opacity,1);transform:translate3d(0,var(--reveal-y,0px),0)}
.scroll-reveal.is-revealed{opacity:1;transform:none}
@media(max-width:760px){
 html{scroll-padding-top:88px}
 .topbar{width:calc(100% - 24px);margin-top:10px;top:max(10px,env(safe-area-inset-top));border-radius:20px}
 .nav-wrap{width:calc(100% - 16px);height:58px;gap:6px}
 nav{gap:0}nav a{min-width:38px;min-height:44px;font-size:12px}
 .brand-shell{gap:0}.brand{font-size:13px}.nav-logo-button{width:40px;padding:7px}.nav-logo-button img{width:26px;height:26px}.theme{width:38px;min-width:38px}
 .hero{padding-top:54px}.hero h1{white-space:normal}.hero-intro{font-size:16px}.hero-actions{flex-wrap:wrap;gap:15px}.hero-actions a{min-height:44px}
 .more{min-height:44px}.more b{width:40px;height:40px;line-height:40px}.card-bottom{flex-wrap:wrap;row-gap:6px}
 .about-selector button{min-height:44px}.about-controls button{min-height:44px}.about-slide>p:not(.eyebrow):not(.about-lead){font-size:15px}.slide-traits dd,.slide-life p{font-size:15px;line-height:1.8}.slide-timeline p{font-size:14px}
 .detail-dialog{width:calc(100% - 20px);max-height:calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 20px)}
 .detail-close{width:44px;height:44px}.detail-content{padding-bottom:max(35px,env(safe-area-inset-bottom))}
 .footer{padding-bottom:calc(100px + env(safe-area-inset-bottom))}
 .cyber-atu-launcher{bottom:max(16px,env(safe-area-inset-bottom))!important}
}
@media(max-width:359px){.brand-shell>.brand{display:none}.nav-wrap{gap:3px}.hero h1{font-size:44px}.hero-actions .text-link{font-size:12px}.about-selector button{padding-inline:9px}.about-controls button{padding-inline:12px}.about-progress{font-size:10px}.detail-heading h2{font-size:28px}}
@media(prefers-reduced-motion:reduce){.scroll-reveal{opacity:1!important;transform:none!important}}
@media print{.scroll-reveal{opacity:1!important;transform:none!important}.topbar,.cyber-atu-launcher{display:none}}

/* Keep the secondary hero action centered inside its 44px touch target. */
.hero-actions > .text-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px}

.player-art{overflow:visible;isolation:isolate}
.player-crop{position:absolute;inset:0;overflow:hidden;z-index:1;mask-image:linear-gradient(to right,transparent,#000 8%,#000 92%,transparent),linear-gradient(to bottom,transparent,#000 6%,#000 94%,transparent);mask-composite:intersect;-webkit-mask-composite:source-in}
.player-grid-fringe{position:absolute;left:-36px;top:-30px;width:calc(100% + 72px);height:calc(100% + 60px);max-width:none;z-index:0;pointer-events:none;mask-image:radial-gradient(ellipse,#000 45%,transparent 76%)}

/* Give blending an explicit backdrop even inside the animated hero stacking context. */
:root[data-theme=dark] .hero-art{background:var(--bg);isolation:isolate}
:root[data-theme=dark] .hero-art img{mix-blend-mode:lighten;filter:brightness(.78) saturate(.82)}
:root[data-theme=dark] .about-photo img{filter:brightness(.76) saturate(.9)}

/* Compact actions retain generous touch targets on small screens. */
.player-art{display:block;border-radius:18px}
.player-art:focus-visible{outline:3px solid var(--accent);outline-offset:7px}
.footer>div{align-items:center;gap:20px}
.footer .back-to-top{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;border:1px solid var(--line);border-radius:24px;background:var(--surface);color:var(--accent);font-size:14px;font-weight:600;white-space:nowrap}
.back-to-top>span{font-size:22px;line-height:1}
.footer .back-to-top:hover{border-color:var(--accent)}
.cyber-atu-launcher-label{display:grid!important;gap:2px!important;font-size:12px!important;line-height:1.15}
.cyber-atu-launcher-label span{display:block!important}
.cyber-atu-launcher{gap:7px;padding:8px 12px 8px 9px;min-height:48px}
@media(max-width:760px){.footer .back-to-top{font-size:13px;padding-inline:14px}.footer{padding-bottom:110px}.cyber-atu-launcher{right:max(14px,env(safe-area-inset-right))}}

/* Reduce paper glare in dark mode. */
:root[data-theme=dark] .daily-art{filter:brightness(.76) saturate(.9)}

/* Preserve the original preview frame dimensions for current screenshots. */
.saas-stage .screen img{aspect-ratio:16/9;object-fit:cover;object-position:top}

/* Keep the preview footprint while showing content below the captured header. */
.saas-stage .screen{position:relative;display:block;transform:translateX(-12px)}
.saas-stage .screen::before{content:"";display:block;padding-top:calc(56.25% + 28px)}
.saas-stage .screen img{position:absolute;left:0;top:0;width:100%;height:auto;aspect-ratio:auto;max-width:none;transform:translateY(-11.36%)}
@media(max-width:760px){.saas-stage .screen{transform:none}}

/* Match the card's outer image gutter to its copy gutter. */
@media(min-width:1051px){.saas-stage .screen{transform:translateX(-18px)}}
@media(min-width:761px) and (max-width:1050px){.saas-stage .screen{transform:translateX(-8px)}}
@media(max-width:760px){.saas-stage{padding-inline:28px}}

/* Accepted display backgrounds; all original object geometry retained. */
.feature.saas{background:linear-gradient(125deg,#edf4ff,#e7effb)}
.project-card.agent{background:#e9ebef}.project-card.memory{background:#edf0fa}
:root[data-theme=dark] .feature.saas{background:linear-gradient(130deg,#192538,#142032)}
:root[data-theme=dark] .project-card.agent{background:#22252c}
:root[data-theme=dark] .project-card.memory{background:#242938}
@media(hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){
 .saas-stage .screen{rotate:0deg;translate:0 0;transition:rotate 450ms var(--ease-out),translate 450ms var(--ease-out)}
 .saas-stage .screen[data-tilt="left"]{rotate:1.5deg;translate:0 -5px}
 .saas-stage .screen[data-tilt="right"]{rotate:-1.5deg;translate:0 -5px}
}

/* Approved O hero, 100% of existing hero figure; preserve source person. */
.hero-art img{width:100%;max-width:100%;transform:none;mix-blend-mode:normal;border-radius:0}

:root[data-theme=dark] .hero-art img{mix-blend-mode:lighten;filter:brightness(.78) saturate(.82)}

/* Keep both theme images loaded; switch visibility with the page theme. */
.hero-art{position:relative}
.hero-art [data-art="hero-dark"]{position:absolute;inset:0;visibility:hidden}
:root[data-theme=dark] .hero-art [data-art="hero"]{visibility:hidden}
:root[data-theme=dark] .hero-art [data-art="hero-dark"]{visibility:visible}
.hero-art img{transition:none}

/* Keep the dialog in the top layer until its exit finishes. */
.detail-dialog[open].is-closing{animation:detail-out .22s ease-in both;pointer-events:none}
.detail-dialog.is-closing::backdrop{animation:detail-backdrop-out .22s ease-in both}
@keyframes detail-out{from{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.97)}}
@keyframes detail-backdrop-out{from{opacity:1}to{opacity:0}}
@media(prefers-reduced-motion:reduce){.detail-dialog[open].is-closing,.detail-dialog.is-closing::backdrop{animation:none}}

/* Touch: hover must not remain after releasing the theme control. */
@media(hover:none){.theme:hover{background:transparent}.theme:active{background:var(--surface)}}
