:root{color-scheme:light;--ink:#142e40;--blue:#245a77;--cobalt:#267aad;--accent:#ca7650;--paper:#f3f1ea;--white:#fcfbf7;--muted:#5d6b70;--line:#d9ddd9;--dark:#142d3c}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:6rem}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Helvetica Neue",Arial,"PingFang SC","Noto Sans SC",sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}button,a,input,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.shell{width:min(1280px,calc(100% - 96px));margin-inline:auto}.skip-link{position:absolute;z-index:100;top:-120px;left:1rem;padding:.7rem 1rem;color:#fff;background:var(--dark)}.skip-link:focus{top:1rem}
.site-header{position:sticky;top:0;z-index:50;background:rgba(243,241,234,.94);backdrop-filter:blur(16px)}.header-inner{display:flex;align-items:center;min-height:88px;border-bottom:1px solid #cfd6d3;gap:2rem}.brand{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;font-size:1.06rem;font-weight:650;letter-spacing:-.035em;line-height:1.1}.brand small{display:block;font-size:.57rem;font-weight:500;color:var(--muted);text-transform:uppercase;letter-spacing:.17em;margin-top:.4rem}.brand-mark{width:28px;height:32px;position:relative;display:block}.brand-mark i{position:absolute;width:1px;height:30px;background:var(--blue);left:12px;top:0;transform:rotate(26deg)}.brand-mark i+ i{transform:rotate(-26deg)}.brand-mark b{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--accent);left:10px;top:13px}.desktop-nav{display:flex;gap:2rem;margin-left:auto}.desktop-nav a{font-size:.78rem;color:var(--muted)}.desktop-nav a:hover{color:var(--blue)}.header-actions{display:flex;align-items:center;gap:1rem}.language-toggle{border:0;border-left:1px solid var(--line);background:transparent;color:var(--ink);font-size:.79rem;min-height:40px;padding:0 0 0 1.4rem}.mobile-menu{display:none}
.eyebrow{font-size:.67rem;letter-spacing:.17em;text-transform:uppercase;font-weight:600;color:var(--blue);margin:0}.hero{display:grid;grid-template-columns:42% 58%;align-items:center;gap:0;padding-block:6.2rem 5.6rem;min-height:690px}.hero-copy{padding-right:2rem}.hero h1{font-size:clamp(4.2rem,7.4vw,7rem);line-height:1.02;letter-spacing:-.075em;font-weight:480;margin:2.8rem 0 2.1rem}.hero h1 span{display:block}.hero h1 span:last-child{color:var(--blue)}.hero-intro{font-size:1.15rem;line-height:1.7;color:var(--muted);max-width:390px;margin:0 0 1.9rem}.arrow-link{display:inline-flex;align-items:center;justify-content:space-between;gap:1.5rem;border-bottom:1px solid var(--blue);font-size:.77rem;font-weight:570;padding:.3rem 0;transition:color .2s}.arrow-link:hover{color:var(--accent)}.arrow-link>span:last-child{font-size:1.1rem}.flow-board{margin-left:2.5rem;padding:2.5rem 2.7rem 2.4rem;background:var(--dark);color:#f4f6f4;min-width:0;box-shadow:0 22px 60px #142e401b}.flow-head{display:flex;justify-content:space-between;gap:1rem;font-size:.66rem;text-transform:uppercase;letter-spacing:.15em;color:#a8c0c8}.flow-head strong{font-weight:450;color:#f4f6f4}.flow-display{display:grid;grid-template-columns:1fr 100px 1fr;align-items:center;gap:1rem;margin:4.6rem 0 3.4rem;min-height:160px}.flow-display>div{min-width:0}.flow-display small{display:block;font-size:.62rem;color:#8eacb8;letter-spacing:.17em;margin-bottom:1.15rem}.flow-display strong{display:block;font-size:clamp(1.65rem,2.45vw,2.4rem);line-height:1.18;font-weight:450;letter-spacing:-.035em;text-wrap:balance}.flow-track{height:1px;background:#60869b;position:relative;display:block}.flow-track::before,.flow-track::after{content:"";position:absolute;top:-3px;width:7px;height:7px;border-radius:50%;border:1px solid #7fa5b8}.flow-track::before{left:0}.flow-track::after{right:0}.flow-track i{position:absolute;top:-5px;left:0;width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 21px #eaa078aa}.flow-detail{display:flex;align-items:baseline;gap:1.2rem;border-top:1px solid #3c5b6a;padding-top:1.3rem;font-size:.75rem;color:#b6c5ca;min-height:65px}.flow-detail>span:first-child{color:#fff;font-weight:600;white-space:nowrap}.flow-options{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:1.35rem}.flow-options button{border:1px solid #567384;border-radius:999px;padding:.45rem .75rem;background:none;color:#a9bbc1;font-size:.63rem;line-height:1.2}.flow-options button[aria-pressed="true"]{background:#dae9ea;color:var(--dark);border-color:#dae9ea}.flow-options button:hover{border-color:#d0e1e4;color:#fff}.flow-options button[aria-pressed="true"]:hover{color:var(--dark)}
.products-intro{padding:1.5rem 0 5rem;border-top:1px solid var(--line)}.products-intro h2{font-size:clamp(2.5rem,5vw,4.3rem);line-height:1.12;letter-spacing:-.06em;font-weight:460;margin:1.1rem 0 .85rem}.products-intro>p:last-child{max-width:500px;color:var(--muted);font-size:.94rem;line-height:1.7;margin:0}.showcase{border-top:1px solid var(--line);padding-block:7rem}.showcase:nth-of-type(odd){background:#fbfaf7}.showcase:nth-of-type(even){background:#edf2f1}.showcase-layout{display:grid;grid-template-columns:37% 63%;gap:1.8rem;align-items:center}.showcase-copy{display:flex;flex-direction:column;align-self:stretch;padding-block:.5rem 1rem;padding-right:3rem}.showcase-index{display:flex;gap:1.3rem;align-items:center;font-size:.67rem;text-transform:uppercase;letter-spacing:.13em;color:var(--blue)}.showcase-index span:first-child{color:var(--accent);font-weight:700}.showcase-copy h2{font-size:clamp(2.3rem,4vw,3.75rem);line-height:1.1;font-weight:520;letter-spacing:-.06em;margin:2.25rem 0 1.1rem}.showcase-copy h3{font-size:clamp(1.4rem,2vw,2.05rem);line-height:1.27;font-weight:490;letter-spacing:-.035em;margin:0 0 1.25rem;max-width:400px;text-wrap:balance}.showcase-copy>p{font-size:.94rem;line-height:1.8;color:var(--muted);max-width:420px;margin:0}.showcase-bottom{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;margin-top:auto;padding-top:3.3rem}.stage-status{font-size:.68rem;color:var(--muted)}.showcase-bottom .arrow-link{font-size:.72rem;margin-left:auto}.demo-frame{min-width:0;padding:1.3rem;background:#e8edef;border:1px solid #cfdbdf;box-shadow:0 12px 36px #15394e0c}.demo-top{display:flex;justify-content:space-between;gap:1rem;font-size:.57rem;letter-spacing:.13em;color:#647d8a;font-weight:600;padding:.2rem .15rem 1.15rem}.demo-controls{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;padding-top:1.15rem}.demo-controls button{border-radius:0;min-height:42px;font-size:.74rem;font-weight:550;transition:background .2s,color .2s}.demo-primary{background:var(--dark);border:1px solid var(--dark);color:#fff;padding:.65rem 1.05rem}.demo-primary:hover{background:#26536c}.demo-secondary{background:transparent;border:1px solid #b8c9d1;color:var(--ink);padding:.65rem 1rem}.demo-secondary:hover{border-color:var(--blue);background:#f5f9f8}.demo-hint{font-size:.6rem;color:#6c7e81;margin-left:auto}.demo-frame [aria-live]{min-height:1.4em}
.browser-demo{background:#e6edf1}.browser-window{border:1px solid #a9bdc8;box-shadow:0 13px 27px #14384e18;background:#fff}.browser-chrome{height:42px;background:#f2f5f6;border-bottom:1px solid #dbe3e6;display:flex;align-items:center;gap:1rem;padding:0 .8rem;color:#71828a;font-size:.8rem}.window-dots{display:flex;gap:4px}.window-dots i{width:6px;height:6px;border-radius:50%;background:#aac0c9}.window-dots i:first-child{background:#cb8361}.browser-chrome .address{flex:1;max-width:330px;margin:auto;background:#fff;border:1px solid #e0e7e9;border-radius:3px;text-align:center;font-size:.64rem;padding:.26rem}.browser-page{position:relative;display:grid;grid-template-columns:105px 1fr;min-height:285px;overflow:hidden}.page-rail{border-right:1px solid #e4e9e8;padding:1.65rem .8rem;display:flex;flex-direction:column;gap:1rem;font-size:.66rem;color:#71848d}.page-rail .reports-tab{padding:.4rem .55rem;margin-left:-.55rem;border-radius:3px}.page-rail .reports-tab.is-active{background:#dbe9ef;color:#1d5a7b}.page-main{padding:1.7rem 2rem}.page-main>small{font-size:.58rem;letter-spacing:.15em;color:#7e9299}.page-main>strong{display:block;font-size:1.42rem;font-weight:540;margin:.5rem 0 1.5rem;letter-spacing:-.03em}.mock-report{display:flex;align-items:center;gap:.8rem;padding:.68rem .75rem;border:1px solid #e2e8e9;margin-bottom:.5rem;font-size:.72rem;color:#4c6873;position:relative}.mock-report i{width:18px;height:22px;border:1px solid #a7bbc3;background:#eff4f5}.mock-report.latest{opacity:.53}.mock-report.latest.is-active{opacity:1;border-color:#69a1bc;background:#eff7fa}.mock-report em{font-size:.57rem;font-style:normal;color:#2f718e;margin-left:auto}.demo-cursor,.workflow-pointer{position:absolute;z-index:5;left:17%;top:67%;font-size:20px;line-height:1;color:#1e5c82;text-shadow:0 2px #fff,2px 2px #fff;transform:rotate(-24deg);pointer-events:none}.assistant-strip{display:flex;gap:.75rem;align-items:center;background:#19384a;color:#e9f5f7;padding:.8rem 1.1rem;min-height:62px}.assistant-orb{width:18px;height:18px;border-radius:50%;border:2px solid #82b2ca;box-shadow:0 0 0 4px #82b2ca2b}.assistant-strip small{display:block;font-size:.5rem;letter-spacing:.14em;color:#95b9ca}.assistant-strip p{font-size:.72rem;margin:.15rem 0 0}
.eye-demo{background:#e8ece6}.eye-scene{display:flex;align-items:center;justify-content:center;gap:1.3rem;min-height:330px;padding:1.1rem;background:linear-gradient(145deg,#dce5de,#eff0e8)}.observed-display{width:47%;background:#2e3936;color:#dff3d1;border-radius:8px;padding:1.4rem 1.2rem;box-shadow:0 14px 25px #243e362d}.observed-display small,.display-foot{font-size:.56rem;letter-spacing:.11em;color:#a5b9a6}.reading{display:flex;align-items:start;line-height:1;margin:2rem 0;font-size:clamp(2.6rem,4.9vw,4.6rem);font-family:"SFMono-Regular",Consolas,monospace;font-weight:400;letter-spacing:-.08em}.reading sup{font-size:.95rem;margin:.3rem 0 0 .5rem;letter-spacing:0}.phone-outline{width:32%;max-width:150px;min-width:105px;min-height:250px;border:7px solid #243845;border-radius:23px;background:#243845;box-shadow:0 15px 28px #243e3640;position:relative;transform:rotate(5deg)}.phone-camera{width:25px;height:4px;border-radius:3px;background:#71858b;margin:6px auto}.phone-screen{height:215px;border-radius:11px;background:#78948b;position:relative;overflow:hidden;padding:.85rem;color:#fff}.phone-screen::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,#738a79,#2e4641);opacity:.8}.phone-screen>*{position:relative;z-index:1}.phone-screen small{font-size:.44rem;letter-spacing:.13em}.phone-screen strong{display:block;font-family:"SFMono-Regular",Consolas,monospace;font-size:1.7rem;font-weight:400;margin:2.6rem .4rem;text-align:center}.scan-corners{position:absolute;inset:52px 15px 48px;border:2px solid #c0efd0;border-radius:8px}.phone-scanline{position:absolute;left:15px;right:15px;top:78px;height:1px;background:#e4fff0;box-shadow:0 0 8px #eaffee}.eye-signal{font-size:2rem;color:#4d8b78}.condition-panel{background:#fff;padding:1rem 1.3rem}.condition-panel label{display:flex;justify-content:space-between;align-items:center;color:#506969;font-size:.75rem}.condition-panel strong{font-family:"SFMono-Regular",Consolas,monospace;font-size:1.06rem;color:#1a4d42}.condition-panel input{width:100%;accent-color:#287963;margin:.8rem 0 .5rem}.condition-panel p{font-size:.69rem;margin:0;color:#68807b}.condition-panel.is-alert{background:#e6f5e9}.condition-panel.is-alert p{color:#21684e;font-weight:600}
.nutrition-demo{background:#ebece2}.nutrition-scene{display:grid;grid-template-columns:38% 62%;min-height:330px;background:#f7f8ef}.meal-panel{padding:1rem;background:#dce6d1;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:1.7rem}.meal-plate{width:min(175px,100%);aspect-ratio:1;border-radius:50%;background:#f5eee1;border:9px solid #fff;box-shadow:0 14px 20px #4258451f,inset 0 0 0 3px #e9e1d4;position:relative;overflow:hidden}.meal-plate i{position:absolute;display:block;border-radius:50%}.food-a{width:48%;height:45%;left:12%;top:18%;background:#91a45e;transform:rotate(-22deg)}.food-b{width:41%;height:39%;right:9%;top:16%;background:#d29662}.food-c{width:51%;height:41%;left:21%;bottom:6%;background:#ceb17b}.food-d{width:20%;height:18%;right:15%;bottom:21%;background:#d7604b}.meal-panel small{font-size:.57rem;letter-spacing:.14em;color:#5c7865}.nutrition-profile{padding:1.35rem;display:flex;flex-direction:column;min-width:0}.profile-header{display:flex;justify-content:space-between;align-items:baseline;gap:.6rem}.profile-header span{font-size:.56rem;letter-spacing:.15em;color:#66806b}.profile-header strong{font-size:.7rem;font-weight:500;color:#4c7659}.profile-bars{flex:1;display:flex;align-items:end;gap:2px;min-height:140px;padding-block:1.5rem 1.1rem}.profile-bars i{flex:1;height:14%;background:#66966b;display:block;min-width:1px;border-radius:2px 2px 0 0}.profile-bars i:nth-child(5n){background:#c99366}.profile-bars i:nth-child(7n){background:#88b2a0}.nutrition-profile p{color:#63766a;font-size:.68rem;line-height:1.5;margin:0;border-top:1px solid #dbe5d4;padding-top:.75rem}
.sfa-demo{background:#ebe9e3}.workflow-window{background:#fff;box-shadow:0 12px 25px #2833491c;border:1px solid #c8d0d7}.workflow-bar{height:40px;background:#f1f1f0;border-bottom:1px solid #dae0e1;display:flex;align-items:center;gap:1rem;padding:0 .85rem;font-size:.67rem;color:#65757d}.workflow-body{position:relative;display:grid;grid-template-columns:115px 1fr;min-height:280px;overflow:hidden}.workflow-side{background:#e9eff0;display:flex;flex-direction:column;gap:1rem;padding:1.8rem .85rem;font-size:.66rem;color:#5d737b}.workflow-main{padding:1.8rem 2rem}.workflow-main small{font-size:.58rem;letter-spacing:.16em;color:#77848a}.workflow-lines{display:flex;flex-direction:column;gap:.7rem;margin:2rem 0}.workflow-lines i{display:block;height:8px;width:75%;background:#e7eaea;border-radius:3px}.workflow-lines i:nth-child(2){width:60%}.workflow-lines i:nth-child(3){width:85%}.workflow-lines i:nth-child(4){width:42%}.workflow-main>span{display:inline-block;background:#285e7f;color:#fff;font-size:.7rem;padding:.62rem .95rem;white-space:nowrap;position:relative}.workflow-ring{position:absolute;z-index:4;left:50%;top:70%;width:30px;height:30px;border:2px solid var(--accent);border-radius:50%;opacity:0;pointer-events:none}.workflow-message{font-size:.71rem;color:#5a6c72;margin:0;background:#fff;padding:.9rem 1rem;min-height:42px}.sfa-demo .demo-controls{padding-top:1rem}
.world-demo{background:#dae5e8}.world-scene{display:grid;grid-template-columns:60% 40%;min-height:330px;background:#183848;color:#e7f3f2}.world-map{position:relative;overflow:hidden;min-height:330px;background:radial-gradient(circle at 55% 43%,#335e66,#173747 72%)}.world-grid{position:absolute;inset:0;background-image:linear-gradient(#aed0d01b 1px,transparent 1px),linear-gradient(90deg,#aed0d01b 1px,transparent 1px);background-size:42px 42px;transform:skewY(-8deg) scale(1.15)}.world-origin{position:absolute;top:44%;left:48%;font-size:3.6rem;color:#96c7be;line-height:1;text-shadow:0 0 35px #afdfd2}.world-marker{position:absolute;width:12px;height:12px;border-radius:50%;border:2px solid #eebd88;background:#dc8154;box-shadow:0 0 24px #d59461}.map-caption{position:absolute;bottom:1.2rem;left:1.3rem;font-size:.57rem;letter-spacing:.13em;color:#aed0d0}.world-panel{display:flex;flex-direction:column;padding:1.5rem 1.25rem;background:#213f4e}.session-line{display:flex;justify-content:space-between;font-size:.6rem;letter-spacing:.13em;color:#acc5cb}.session-line strong{font-size:.75rem;color:#fff}.role-switch{display:flex;gap:.35rem;margin:2.5rem 0 1rem}.role-switch button{padding:.55rem .65rem;border:1px solid #72949f;background:none;color:#b8d0d2;font-size:.64rem;flex:1}.role-switch button[aria-pressed="true"]{background:#e4efea;color:#214954;border-color:#e4efea}.world-receipt{margin-top:auto;padding-top:1.2rem;border-top:1px solid #55717c;min-height:91px}.world-receipt small{font-size:.52rem;letter-spacing:.15em;color:#abc7ca}.world-receipt p{font-size:.75rem;line-height:1.55;margin:.55rem 0 0;color:#fff}
.contact-section{background:#142e40;color:#edf4f2;padding-block:5.5rem}.contact-inner{display:flex;justify-content:space-between;align-items:end;gap:3rem}.contact-inner .eyebrow{color:#9cbec9}.contact-inner h2{font-size:clamp(2rem,3vw,3.2rem);font-weight:450;line-height:1.2;letter-spacing:-.05em;max-width:600px;margin:1.2rem 0 0}.contact-email{font-size:clamp(1.05rem,1.8vw,1.5rem);letter-spacing:-.03em;border-bottom:1px solid #7c9caa;padding-bottom:.4rem;overflow-wrap:anywhere;white-space:nowrap}.contact-email span{color:#e9a477;margin-left:1rem}.site-footer{display:flex;align-items:end;gap:2rem;padding-block:2rem 2.2rem;color:var(--muted)}.site-footer>div{display:flex;flex-direction:column;margin-right:auto}.site-footer strong{font-size:.72rem;font-weight:550;color:var(--ink)}.site-footer>div>span,.site-footer small,.site-footer>a{font-size:.66rem}.site-footer>a{white-space:nowrap}
html[lang|="zh"] .hero h1{font-size:clamp(3.4rem,5.7vw,5.35rem);line-height:1.25;letter-spacing:-.06em}html[lang|="zh"] .hero-intro{max-width:350px}html[lang|="zh"] .flow-display strong{font-size:clamp(1.4rem,2.1vw,2rem);line-height:1.4}html[lang|="zh"] .showcase-copy h3{line-height:1.45}html[lang|="zh"] .eyebrow{letter-spacing:.11em}
@media(max-width:1100px){.shell{width:calc(100% - 72px)}.desktop-nav{gap:1.2rem}.hero{grid-template-columns:40% 60%;min-height:610px}.flow-board{margin-left:1rem;padding:2rem}.flow-display{grid-template-columns:1fr 65px 1fr;margin:3.6rem 0 2.8rem}.flow-display strong{font-size:1.65rem}.showcase-layout{grid-template-columns:36% 64%;gap:1rem}.showcase-copy{padding-right:1.5rem}.showcase{padding-block:5.5rem}.demo-frame{padding:1rem}.world-scene{grid-template-columns:57% 43%}.reading{font-size:3rem}}
@media(max-width:820px){.shell{width:calc(100% - 48px)}.header-inner{min-height:75px}.desktop-nav{display:none}.header-actions{margin-left:auto}.brand{font-size:.99rem}.brand small{font-size:.52rem}.language-toggle{border:0;padding:0 .3rem;min-height:44px}.mobile-menu{display:block;position:relative}.mobile-menu summary{list-style:none;padding:.6rem .2rem;cursor:pointer;font-size:.77rem}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu[open] nav{position:absolute;right:0;top:calc(100% + .4rem);min-width:175px;display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);box-shadow:0 12px 25px #142e401e;padding:.5rem .9rem}.mobile-menu nav a{padding:.65rem 0;font-size:.83rem}.hero{grid-template-columns:1fr;min-height:0;padding-block:4rem}.hero-copy{padding:0}.hero h1{margin:1.9rem 0 1.45rem;font-size:clamp(4.5rem,11vw,6rem)}.hero-intro{max-width:510px;margin-bottom:1.1rem}.flow-board{margin:3.3rem 0 0}.flow-display{margin:2.7rem 0 2rem;min-height:105px}.flow-display strong{font-size:2rem}.products-intro{padding-bottom:3rem}.showcase{padding-block:4.5rem}.showcase-layout{grid-template-columns:1fr;gap:2rem}.showcase-copy{padding:0}.showcase-copy h2{margin:1.4rem 0 .7rem}.showcase-copy h3{max-width:600px;margin-bottom:.65rem}.showcase-copy>p{max-width:650px}.showcase-bottom{margin-top:0;padding-top:1.4rem}.showcase-bottom .arrow-link{margin-left:0}.demo-frame{padding:1.15rem}.contact-inner{flex-direction:column;align-items:start;gap:2rem}.contact-email{white-space:normal}}
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@media(max-width:360px){.brand-mark{display:none}.brand{font-size:.83rem}.brand small{font-size:.44rem}.hero h1{font-size:3.45rem}.flow-board{padding:1.25rem .9rem}.flow-display strong{font-size:1.2rem}.showcase-copy h2{font-size:2.45rem}.contact-email{font-size:1.05rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* The first view uses the products' own marks, arranged as a fan of cards. */
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.hero h1{margin-top:2.1rem}
.hero-intro{max-width:430px}
.card-stage{position:relative;min-width:0;margin-left:1.3rem;padding:1.3rem 0 .5rem;border-top:1px solid #bbc9cc;border-bottom:1px solid #bbc9cc}
.card-stage-top{display:flex;justify-content:space-between;gap:1rem;color:#55707a;font-size:.68rem;font-weight:600;letter-spacing:.14em}
.product-card-stack{position:relative;height:415px;isolation:isolate}
.product-card{position:absolute;top:47px;left:calc(50% - 102px);display:flex;flex-direction:column;width:205px;height:280px;padding:1.2rem;color:#fff;border:1px solid #ffffff3d;box-shadow:0 16px 34px #10273624;transform:translate(var(--card-x),var(--card-y)) rotate(var(--card-r));transform-origin:50% 90%;transition:box-shadow .3s ease;will-change:transform}
.product-card:hover,.product-card:focus-visible{box-shadow:0 27px 55px #10273642}
.product-card:nth-child(1){--card-x:-180px;--card-y:24px;--card-r:-13deg;z-index:1;background:#11212c}
.product-card:nth-child(2){--card-x:-90px;--card-y:8px;--card-r:-7deg;z-index:2;background:#1e5261}
.product-card:nth-child(3){--card-x:0px;--card-y:0px;--card-r:0deg;z-index:5;background:#1c3930}
.product-card:nth-child(4){--card-x:90px;--card-y:8px;--card-r:7deg;z-index:4;background:#3b285f}
.product-card:nth-child(5){--card-x:180px;--card-y:24px;--card-r:13deg;z-index:3;background:#193f55}
.card-number{font-size:.65rem;letter-spacing:.15em;color:#ffffffa9}
.product-card>img,.card-logo-sfa,.card-wordmark{display:flex;align-items:center;justify-content:center;flex:none;width:88px;height:88px;margin-top:2.2rem}
.product-card>img{object-fit:cover;border-radius:14px}
.card-logo-sfa{border-radius:16px;background:#f4f0ff}.card-logo-sfa img{width:62px;height:62px}
.card-wordmark{width:104px;font-size:1.18rem;line-height:.95;font-weight:650;letter-spacing:-.07em;border-top:2px solid #8fd0d6;border-bottom:2px solid #8fd0d6}
.card-name{margin-top:auto;font-size:1.18rem;font-weight:600;letter-spacing:-.04em;white-space:nowrap}
.card-idea{font-size:.69rem;line-height:1.35;min-height:2em;color:#ffffffc8}
.card-sfa .card-logo-sfa,.card-world .card-wordmark{margin-left:auto}
.card-stage-foot{margin:.1rem 0 .25rem;text-align:center;color:#5e7178;font-size:.72rem}
html[lang|="zh"] .card-idea{font-size:.71rem}
@media(max-width:820px){.hero{grid-template-columns:1fr;min-height:0}.card-stage{margin:3rem 0 0}.product-card-stack{height:380px}}
@media(max-width:540px){.hero{padding-block:3.2rem}.card-stage{margin-top:2.5rem}.card-stage-top{font-size:.58rem}.product-card-stack{height:315px}.product-card{width:160px;height:221px;left:calc(50% - 80px);top:42px;padding:.8rem}.product-card:nth-child(1){--card-x:-101px;--card-y:18px}.product-card:nth-child(2){--card-x:-50px;--card-y:6px}.product-card:nth-child(4){--card-x:50px;--card-y:6px}.product-card:nth-child(5){--card-x:101px;--card-y:18px}.product-card>img,.card-logo-sfa,.card-wordmark{width:66px;height:66px;margin-top:1.5rem}.card-logo-sfa img{width:49px;height:49px}.card-wordmark{width:77px;font-size:.95rem}.card-name{font-size:.93rem}.card-idea{font-size:.6rem}.card-stage-foot{font-size:.64rem}}
@media(max-width:360px){.product-card{width:148px;left:calc(50% - 74px)}.product-card:nth-child(1){--card-x:-90px}.product-card:nth-child(2){--card-x:-45px}.product-card:nth-child(4){--card-x:45px}.product-card:nth-child(5){--card-x:90px}}
@media(prefers-reduced-motion:reduce){.product-card{will-change:auto}.product-card:hover,.product-card:focus-visible{z-index:20;transform:translate(var(--card-x),calc(var(--card-y) - 18px)) rotate(0) scale(1.08)}}

/* Superbrowser: a compact Android browser task, based on its own public demo. */
[hidden]{display:none!important}
.browser-demo{background:#e8eef0}
.sb-scene{display:grid;grid-template-columns:minmax(255px,.54fr) minmax(210px,.46fr);gap:1.25rem;align-items:center;padding:1.2rem;background:linear-gradient(130deg,#e4edf0,#f2f4f1)}
.sb-phone{width:min(100%,306px);margin-inline:auto;border:6px solid #162b36;border-radius:25px;overflow:hidden;background:#fff;box-shadow:0 18px 34px #173a4840}
.sb-phone-status{height:28px;display:flex;justify-content:space-between;align-items:center;padding:0 1.1rem;background:#f9faf8;color:#254b5c;font-size:.58rem;font-weight:650}
.sb-address{height:40px;display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding:0 .75rem;border-top:1px solid #e4eae9;border-bottom:1px solid #dce5e5;color:#597079;font-size:.59rem;white-space:nowrap}
.sb-address span:first-child{font-size:1.1rem;color:#41718a}.sb-address span:last-child{font-size:1rem}
.sb-webpage{position:relative;min-height:300px;overflow:hidden;padding:1.45rem 1rem 1rem;background:#fbfcfa;color:#193846}
.sb-webpage>small{display:block;font-size:.6rem;letter-spacing:.17em;font-weight:700;color:#42758a}
.sb-step-line{display:flex;justify-content:space-between;gap:.6rem;margin-top:1.55rem;font-size:.63rem;color:#657d82}
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.sb-webpage strong{display:block;font-size:1rem;line-height:1.3;letter-spacing:-.025em;font-weight:650;min-height:2.6em}
.sb-options{display:grid;gap:.45rem;margin-top:1rem}.sb-options button{width:100%;min-height:38px;padding:.45rem .62rem;text-align:left;border:1px solid #d3e0e1;background:#fff;color:#2a4a54;font-size:.68rem;line-height:1.3;cursor:default}.sb-options button:not(:disabled){cursor:pointer}.sb-options button:not(:disabled):hover,.sb-options button.is-selected{border-color:#38ab9e;background:#e4f6f1;color:#194c48}
.sb-result{padding-top:1.3rem}.sb-result>span{display:grid;place-items:center;width:32px;height:32px;margin-bottom:1rem;border-radius:50%;background:#dbf2e9;color:#247464;font-size:1.1rem}.sb-result strong{min-height:0}.sb-result p{font-size:.75rem;color:#668081;line-height:1.55}
.sb-toolbar{height:42px;background:#f4f7f6;border-top:1px solid #dce5e5;display:flex;justify-content:space-around;align-items:center;color:#426376;font-size:1.15rem}
.sb-cursor{position:absolute;z-index:5;left:13%;top:78%;font-size:18px;line-height:1;color:#167aa4;text-shadow:0 1px #fff,1px 1px #fff;transform:rotate(-24deg);pointer-events:none}
.sb-agent{align-self:stretch;display:flex;flex-direction:column;justify-content:center;gap:1.35rem;padding:1.2rem 1.35rem;background:#183747;color:#f4f8f5}
.sb-agent-head{display:flex;align-items:center;gap:.7rem;font-size:.66rem;letter-spacing:.13em}.sb-agent-head img{width:28px;height:28px;border-radius:5px}
.sb-prompt{margin:0;font-size:1rem;line-height:1.55;letter-spacing:-.015em;font-weight:450}
.sb-task-status{display:flex;align-items:center;gap:.7rem;padding:.8rem .85rem;background:#f4f6f2;color:#2e5968;min-height:70px}.sb-task-status .assistant-orb{flex:none;border-color:#4d9fb0;box-shadow:0 0 0 4px #6abaca2b}.sb-task-status p{font-size:.72rem;line-height:1.45;margin:0}
.sb-agent>small{font-size:.61rem;line-height:1.4;color:#a7bdc2}
.browser-demo .demo-controls button:disabled{opacity:.5;cursor:default}
@media(max-width:1100px){.sb-scene{grid-template-columns:minmax(225px,.54fr) minmax(180px,.46fr);gap:.8rem;padding:.8rem}.sb-agent{padding:1rem}.sb-prompt{font-size:.85rem}}
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.eye-scene{justify-content:space-between;gap:.8rem;min-height:370px;padding:1.2rem 1.5rem;background:#dfe7df}.eye-scene .observed-display{width:49%;background:#181f1d;border:6px solid #bfcac4;border-radius:12px;padding:1rem;box-shadow:0 20px 35px #253d3430}.eye-scene .observed-display small{color:#a2b8ab}.eye-scene .reading{display:block;text-align:center;margin:2.5rem 0 2.1rem;color:#a4f72c;font-size:clamp(3.2rem,5.6vw,5rem);letter-spacing:.015em;text-shadow:0 0 19px #83dc2270}.eye-scene .display-foot{display:block;text-align:center}.eye-scene .eye-signal{font-size:1.8rem;color:#5a8a77}.eye-app-phone{width:33%;max-width:175px;min-width:130px;aspect-ratio:540/1200;max-height:340px;position:relative;border:7px solid #202b2c;border-radius:24px;overflow:hidden;background:#18211f;box-shadow:0 18px 30px #253d343b}.eye-app-phone img{display:block;width:100%;height:100%;object-fit:cover}.eye-event{position:absolute;left:4%;right:4%;bottom:8%;padding:.75rem .5rem;background:#d8f2e5;color:#174939;border-radius:8px;font-size:.62rem;font-weight:700;line-height:1.35;box-shadow:0 8px 20px #08191380}.eye-event[hidden]{display:none}.condition-panel{padding:1rem 1.3rem}.eye-rule{display:flex;align-items:center;justify-content:space-between;gap:.6rem;font-size:.64rem;font-weight:700;letter-spacing:.08em;color:#386856}.eye-rule span:last-child{font-family:Consolas,monospace;color:#638276;white-space:nowrap}.condition-panel p{margin-top:.5rem}.condition-panel.is-alert{background:#e4f3e9}
@media(max-width:540px){.eye-scene{min-height:290px;padding:.65rem;gap:.25rem}.eye-scene .observed-display{width:49%;padding:.6rem;border-width:4px}.eye-scene .reading{font-size:2.5rem;margin:2rem 0}.eye-app-phone{width:37%;min-width:95px;max-height:262px;border-width:4px;border-radius:16px}.eye-scene .eye-signal{font-size:1.1rem}.eye-event{font-size:.48rem;padding:.4rem}.eye-rule{font-size:.51rem}}
.nutrition-scene{display:grid;grid-template-columns:43% 57%;min-height:395px;background:#e5e9dd;overflow:hidden}.nutrition-view-label{padding:2.7rem 1.4rem 2rem 1.6rem;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;color:#283f37}.nutrition-view-label>span:first-child{font-size:.62rem;font-weight:700;letter-spacing:.17em;color:#777953}.nutrition-view-label strong{display:block;margin-top:1.1rem;font-size:clamp(1.6rem,3vw,2.6rem);line-height:1.08;letter-spacing:-.045em;max-width:230px}.nutrition-view-label p{font-size:.86rem;line-height:1.6;max-width:245px;margin:1.3rem 0 0;color:#52675d}.nutrition-photo-note{margin-top:2.4rem;font-size:.62rem;letter-spacing:.02em;color:#7f8e80}.nutrition-screen-stack{position:relative;min-height:395px;overflow:hidden;background:radial-gradient(circle at 52% 50%,#f8f7ed 0,#edf1e9 65%,#d6e2d2 100%)}.nutrition-screen{position:absolute;left:50%;top:50%;translate:-50% -50%;width:min(205px,58%);height:auto;filter:drop-shadow(0 18px 20px #273e3540);will-change:transform}.nutrition-screen-meal{z-index:2;transform:rotate(-4deg)}.nutrition-screen-recent{z-index:1;transform:translateX(70px) rotate(10deg) scale(.86);opacity:.56}.nutrition-screen:not(.is-active){opacity:.56}.nutrition-screen.is-active{opacity:1}.nutrition-demo .demo-controls [aria-pressed="true"]{background:#c65b39;color:#fff;border-color:#c65b39}
@media(max-width:540px){.nutrition-scene{grid-template-columns:1fr;min-height:0}.nutrition-view-label{padding:1.2rem 1rem .8rem}.nutrition-view-label strong{font-size:1.5rem;margin-top:.4rem;max-width:none}.nutrition-view-label p{font-size:.7rem;margin:.45rem 0 0}.nutrition-photo-note{display:none}.nutrition-screen-stack{min-height:275px}.nutrition-screen{width:min(165px,49%)}.nutrition-screen-recent{transform:translateX(40px) rotate(10deg) scale(.85)}}
.sfa-workbench{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(180px,.75fr);min-height:310px;gap:0;background:#dce5e7;border:1px solid #c8d0d7;box-shadow:0 12px 25px #2833491c}.sfa-workbench .workflow-window{box-shadow:none;border:0;border-right:1px solid #bfccd1}.sfa-workbench .workflow-body{min-height:310px;grid-template-columns:90px 1fr}.sfa-workbench .workflow-side{background:#e8f0ef}.sfa-workbench .workflow-main{padding:2rem 1.1rem}.sfa-workbench .workflow-main>strong{display:block;font-size:1.14rem;line-height:1.2;margin:.3rem 0}.sfa-workbench .workflow-lines{margin:1.45rem 0}.sfa-workbench .workflow-main>span{border-radius:4px;box-shadow:0 5px 0 #17445f}.sfa-workbench .workflow-pointer{position:absolute;left:13%;top:75%;z-index:3;font-size:1.25rem;color:#c65b39;text-shadow:0 2px 3px #fff}.sfa-recipe{display:flex;flex-direction:column;padding:1.35rem 1.1rem;background:#1b3541;color:#f7f8f4}.sfa-recipe>small{font-size:.56rem;letter-spacing:.16em;color:#95b5bc}.sfa-recipe>strong{font-size:.94rem;line-height:1.4;font-weight:500;margin:1.2rem 0}.sfa-target-proof{border:1px dashed #7095a3;background:#2d4d58;border-radius:7px;padding:.85rem;opacity:.38;transition:opacity .35s,transform .35s;transform:scale(.95)}.sfa-recipe.is-recorded .sfa-target-proof{opacity:1;transform:scale(1);border-style:solid;border-color:#97cfc2}.sfa-target-proof>span{display:block;font-size:.5rem;letter-spacing:.12em;color:#a9c4c8;margin-bottom:.6rem}.sfa-target-proof b{display:inline-block;background:#286280;color:#fff;padding:.55rem .7rem;font-size:.7rem;font-weight:500;border-radius:3px}.sfa-recipe p{font-size:.65rem;line-height:1.55;color:#bdd0d1;margin:auto 0 0;padding-top:1.3rem}.sfa-demo .demo-controls button:disabled{opacity:.42;cursor:not-allowed}
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