:root{--bg:#fff;--soft:#f5f7fb;--card:#fff;--text:#1c293d;--muted:#718096;--line:#e1e8f2;--blue:#1676ee;--glass:#ffffffd9;--max:1200px;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.3;font-weight:600}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button{color:inherit}img{display:block;max-width:100%}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #83baff;outline-offset:4px}[hidden]{display:none!important}.container{width:min(var(--max),calc(100% - 96px));margin-inline:auto}.skip{position:fixed;top:-100px}.skip:focus{top:12px;left:12px;z-index:100;background:var(--card);padding:12px}.site-header{position:fixed;inset:20px 0 auto;z-index:20}.nav-shell{width:min(1280px,calc(100% - 64px));margin:auto;height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:24px;border:1px solid var(--line);border-radius:20px;background:var(--glass);backdrop-filter:blur(24px);box-shadow:0 8px 35px #26426709}.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:650;white-space:nowrap}.brand-light{font-weight:400;margin-left:4px}.brand-mark{display:grid;grid-template-columns:repeat(2,12px);gap:3px;transform:rotate(-9deg)}.brand-mark i{height:12px;border-radius:3px;background:linear-gradient(140deg,#73bfff,#0876ee)}.brand-mark i:nth-child(2){opacity:.5}.brand-mark i:nth-child(3){opacity:.7}.nav-links{display:flex;gap:28px;font-size:13px;color:var(--muted)}.nav-links a:hover,.text-link:hover{color:var(--blue)}.nav-actions{display:flex;align-items:center;gap:14px}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:52px;padding:12px 25px;border:1px solid transparent;border-radius:999px;background:var(--blue);color:#fff;font-weight:550;font-size:14px;transition:transform .2s,background .2s}.button:hover{background:#005fce;transform:translateY(-2px)}.button.small{min-height:38px;padding:6px 17px;font-size:12px;gap:14px}.theme-toggle{border:0;background:none;width:30px;height:34px;font-size:23px;color:var(--muted)}.menu-toggle{display:none}.hero{overflow:hidden;padding:160px 0 0;background:radial-gradient(ellipse at 50% 25%,#e9f2ff 0,transparent 65%),var(--soft)}.hero-top{text-align:center}.eyebrow{font-size:11px;font-weight:600;letter-spacing:2px;color:var(--blue)}.live-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#36c6a5;box-shadow:0 0 9px 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p{font-size:14px;color:var(--muted);line-height:1.9}.feature-section{background:var(--soft)}.experience-tabs{display:flex;width:max-content;max-width:100%;padding:5px;border:1px solid var(--line);border-radius:30px;background:var(--card);margin-bottom:28px;gap:3px}.experience-tabs button{padding:10px 25px;border:0;background:none;border-radius:30px;color:var(--muted);font-size:13px;white-space:nowrap}.experience-tabs button[aria-selected=true]{background:var(--blue);color:#fff}.experience-card{border-radius:22px;overflow:hidden;border:1px solid var(--line);background:var(--card)}.experience-image{position:relative;background:#0b1c30;aspect-ratio:16/9;overflow:hidden}.experience-image img{width:100%;height:100%;object-fit:cover}.image-expand{position:absolute;bottom:18px;right:18px;width:38px;height:38px;border:1px solid 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30px;letter-spacing:-1px}.site-footer{display:flex;align-items:center;gap:28px;flex-wrap:wrap;border-top:1px solid var(--line);padding-block:32px}.site-footer>p{color:var(--muted);font-size:11px}.site-footer>a:nth-last-child(2){margin-left:auto;font-size:12px;color:var(--muted)}.footer-bottom{width:100%;display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:20px;color:var(--muted);font-size:10px}#image-dialog{width:min(1440px,94vw);max-width:94vw;padding:0;border:1px solid #6986a8;border-radius:15px;background:#0d223e;overflow:visible}#image-dialog::backdrop{background:#031124c9;backdrop-filter:blur(8px)}#image-dialog>button{position:absolute;top:-44px;right:0;border:1px solid #a1bad17a;width:34px;height:34px;border-radius:50%;color:#fff;background:#274363;font-size:24px}#image-dialog img{width:100%;max-height:82vh;object-fit:contain;border-radius:15px}@keyframes alert-glow{50%{box-shadow:0 0 24px #ff819244;border-color:#ff9cab}}@keyframes progress{from{transform:scaleX(1)}to{transform:scaleX(0)}}
html[data-theme=dark]{--bg:#0b1523;--soft:#111f32;--card:#14243a;--text:#e4edfc;--muted:#92a6c0;--line:#2a3e58;--glass:#0f2035de;--blue:#5ca8ff;color-scheme:dark}html[data-theme=dark] .hero{background:radial-gradient(ellipse at 50% 25%,#18375b 0,transparent 65%),var(--soft)}html[data-theme=dark] .hero h1>span{background-image:linear-gradient(100deg,#adceff,#4c9fff)}html[data-theme=dark] .button{background:#237eea;color:white}
@media(min-width:1800px){.hero-product{width:min(1400px,calc(100% - 140px))}}@media(max-width:1050px){.nav-links{gap:18px}.brand{font-size:15px}.container{width:calc(100% - 56px)}.hero h1{font-size:60px}.request-card{gap:35px;padding:36px}.scope-card{grid-template-columns:1fr}.scope-options{justify-content:flex-start}.scope-description{grid-column:auto}.scope-card>.text-link{justify-self:start}.faq-layout{gap:35px}.portrait-device{width:210px}.card-copy{padding:28px}.sample-alert{margin-inline:28px}.section-heading h2,.faq-layout h2,.request-card h2{font-size:37px}}@media(max-width:760px){.site-header{top:12px}.nav-shell{width:calc(100% - 24px);height:58px;padding:0 14px;border-radius:15px;gap:10px}.nav-links{display:none;position:absolute;top:68px;left:12px;right:12px;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:15px;flex-direction:column;gap:0;box-shadow:0 20px 40px #18375915}.nav-links.open{display:flex}.nav-links a{padding:12px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;background:none;border:0;width:25px;height:30px;padding:3px}.menu-toggle span{height:1.5px;width:18px;background:var(--text)}.nav-actions{gap:7px}.theme-toggle{width:23px}.button.small{font-size:10px;padding:6px 11px;gap:8px}.brand{font-size:13px;gap:8px}.brand-mark{grid-template-columns:repeat(2,10px);gap:2px}.brand-mark i{height:10px}.hero{padding-top:120px}.hero h1{font-size:44px;letter-spacing:-1.8px;margin:20px 0}.hero-description{font-size:13px;line-height:1.9}.hero-description br{display:none}.hero-actions{gap:18px}.button{min-height:46px;font-size:12px;padding:10px 20px;gap:16px}.text-link{font-size:12px}.hero-proof{gap:13px;font-size:9px;flex-wrap:wrap}.hero-proof span:before{margin-right:4px}.container{width:calc(100% - 36px)}.hero-product{margin-top:36px;border-radius:10px}.product-toolbar{height:30px;font-size:7px;padding:0 10px;gap:10px}.product-toolbar>b{display:none}.window-dots i{width:5px;height:5px}.hero-bottom{padding:20px 0;gap:12px;font-size:9px}.hero-bottom span:last-child{display:none}.proof-strip{grid-template-columns:repeat(2,1fr);padding-block:32px 24px;row-gap:24px}.proof-strip strong{font-size:34px}.proof-strip p{font-size:10px}.proof-strip>small{font-size:9px}.section{padding-block:60px}.section-heading{display:block;margin-bottom:30px}.section-heading h2,.faq-layout h2,.request-card h2{font-size:33px;letter-spacing:-1.2px}.section-description{font-size:12px;margin-top:20px}.section-heading>.text-link{display:inline-block;margin-top:20px}.eyebrow{font-size:9px;letter-spacing:1.3px}.benefit-grid{grid-template-columns:1fr;gap:28px}.benefit-grid article{padding-top:18px}.benefit-grid h3{font-size:20px;margin:12px 0 8px}.benefit-grid p{font-size:12px}.experience-tabs{width:100%;gap:0;padding:4px;justify-content:space-between}.experience-tabs button{padding:8px 11px;font-size:10px}.experience-card{border-radius:13px}.experience-copy{padding:22px;display:block}.experience-copy h3{font-size:23px}.experience-copy p{font-size:12px}.experience-copy>a{display:inline-block;margin-top:16px}.image-expand{height:28px;width:28px;bottom:10px;right:10px;font-size:16px}.detail-grid{grid-template-columns:1fr;gap:18px}.doctor-card{grid-row:auto}.card-copy{padding:28px}.card-copy h3{font-size:28px}.card-copy p{font-size:12px}.portrait-device{width:220px;margin-bottom:-50px}.doctor-card{max-height:800px}.scenario-grid{grid-template-columns:1fr;gap:15px}.scenario-grid article{padding:24px}.scenario-grid h3{margin:16px 0 12px;font-size:22px}.scenario-grid b{margin-top:18px}.section-note{font-size:10px}.delivery-steps{grid-template-columns:repeat(2,1fr);gap:28px 22px}.delivery-steps h3{font-size:18px;margin:12px 0 8px}.delivery-steps p{font-size:12px}.scope-card{padding:24px;margin-top:35px;gap:20px}.scope-card h3{font-size:21px}.scope-options{gap:5px}.scope-options button{font-size:11px;padding:8px 12px}.faq-layout{grid-template-columns:1fr;gap:25px}.faq-list summary{font-size:13px;min-height:68px}.faq-list details p{font-size:12px}.request-card{grid-template-columns:1fr;padding:26px;gap:28px}.request-card>div>p:not(.eyebrow){font-size:12px;margin-top:18px}.request-card small{font-size:10px}.closing{padding-bottom:55px}.closing h2{font-size:30px}.site-footer{gap:18px;padding-block:25px}.site-footer>p{order:3;width:100%;font-size:10px}.site-footer>a:nth-last-child(2){font-size:10px}.footer-bottom{order:4;font-size:8px;gap:18px}.preview-launch{font-size:10px;height:36px;padding:8px 12px;opacity:1}.form-row{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Refined controls share the reference site's sun/moon artwork. */
.control-icon{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;flex:none;width:36px;height:36px;padding:0;border:1px solid #dce6f2;border-radius:50%;background:linear-gradient(145deg,#ffffff,#edf3fc);color:#5a7291;box-shadow:0 3px 9px #244c7c0c,inset 0 1px 0 #fff;transition:transform .2s,box-shadow .2s,border-color .2s}
.theme-toggle .control-icon{width:18px;height:18px}.theme-sun{display:none}.theme-toggle:hover{transform:translateY(-1px);border-color:#b5cce9;box-shadow:0 5px 13px #2c58891c,inset 0 1px 0 #fff}.theme-toggle:active{transform:translateY(0);box-shadow:inset 0 2px 4px #45688e13}
html[data-theme=dark] .theme-toggle{background:linear-gradient(145deg,#223a55,#17283d);border-color:#39536f;color:#bdd6f4;box-shadow:0 3px 9px #020b181a,inset 0 1px 0 #ffffff0e}html[data-theme=dark] .theme-sun{display:block}html[data-theme=dark] .theme-moon{display:none}
.button{position:relative;border-color:#227dee;background:linear-gradient(155deg,#3c9aff 0%,#1478ed 55%,#0c65d6 100%);box-shadow:0 6px 15px #1973dc24,inset 0 1px 0 #ffffff45,inset 0 -1px 0 #074aa421;transition:transform .2s,box-shadow .2s,filter .2s}
.button:hover{background:linear-gradient(155deg,#54a7ff,#2185f4 55%,#0f6cdd);box-shadow:0 9px 22px #1973dc30,inset 0 1px 0 #ffffff5c}.button:active{transform:translateY(0);box-shadow:0 2px 5px #1973dc18,inset 0 2px 5px #07438c25}.button>span:last-child{display:inline-flex;align-items:center;justify-content:center;width:23px;height:23px;margin-right:-6px;border-radius:50%;background:#ffffff17;box-shadow:inset 0 1px 0 #ffffff26}.button.small>span:last-child{width:19px;height:19px;margin-right:-4px}
html[data-theme=dark] .button{background:linear-gradient(150deg,#469cf7,#227eea 55%,#1765ca);border-color:#438ce4;box-shadow:0 5px 17px #020c222e,inset 0 1px 0 #ffffff35}
.experience-tabs{background:linear-gradient(160deg,var(--card),var(--soft));box-shadow:0 3px 10px #29476d06,inset 0 1px 0 #ffffff40}.experience-tabs button{display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:background .2s,box-shadow .2s,color .2s,transform .2s}.tab-icon{width:16px;height:16px;opacity:.88}.experience-tabs button:hover{color:var(--blue);background:#1676ee08}.experience-tabs button[aria-selected=true]{background:linear-gradient(145deg,#3999ff,#1170e4);color:#fff;box-shadow:0 3px 8px #1473dd24,inset 0 1px 0 #ffffff3b}.experience-tabs button:active{transform:translateY(1px)}
.image-expand{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#fff,#dbeaf9);border-color:#ffffffb3;box-shadow:0 4px 15px #000d283d,inset 0 1px 0 #fff;backdrop-filter:blur(10px);transition:transform .2s,box-shadow .2s}.image-expand:hover{transform:translateY(-2px);box-shadow:0 7px 19px #000d284d,inset 0 1px 0 #fff}.image-expand:active{transform:translateY(0)}
.scope-options button{background:linear-gradient(145deg,var(--card),var(--soft));box-shadow:0 2px 6px #294b7107,inset 0 1px 0 #ffffff38;transition:transform .2s,border-color .2s,box-shadow .2s}.scope-options button:hover{border-color:#9cbeeb;transform:translateY(-1px)}.scope-options button.active{background:linear-gradient(145deg,#eff7ff,#deedff);border-color:#82b2ed;box-shadow:0 3px 9px #1978d912,inset 0 1px 0 #fff}html[data-theme=dark] .scope-options button.active{color:#b9daff;background:linear-gradient(145deg,#25476d,#1b3553);border-color:#4d7cab;box-shadow:0 3px 9px #00000016,inset 0 1px 0 #ffffff0d}
#sample-alert-close{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;line-height:1;border:1px solid #7ba2cf33;border-radius:8px;background:linear-gradient(145deg,#ffffff0b,#00000008);box-shadow:inset 0 1px 0 #ffffff0a;transition:background .2s,border-color .2s}#sample-alert-close:hover{background:#ffffff13;border-color:#7ba2cf66}
@media(max-width:650px){.theme-toggle{width:30px;height:30px}.theme-toggle .control-icon{width:16px;height:16px}.experience-tabs button{gap:5px;padding-inline:9px}.tab-icon{width:13px;height:13px}.button.small>span:last-child{width:16px;height:16px;margin-right:-3px}.nav-actions{gap:6px}}
@media(prefers-reduced-motion:reduce){.theme-toggle,.button,.experience-tabs button,.image-expand,.scope-options button{transition:none;transform:none}}