/* ARCELL V2. Brand-preserving, dependency-free responsive presentation. */
:root{--ink:#173459;--navy:#163863;--deep:#0d2542;--teal:#167d85;--aqua:#77d4ce;--muted:#55708a;--line:#dbe6ef;--tint:#f4f8fb;--white:#fff;--radius:20px;--shadow:0 18px 44px rgba(22,56,99,.08);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC","Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff;font-synthesis:none}
*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}main,section,article,div,nav,header,footer{min-width:0}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}a,button,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--teal);outline-offset:5px}a,button{touch-action:manipulation}h1,h2,h3,h4,p,figure{margin:0}h1,h2,h3,h4{line-height:1.4;letter-spacing:-.025em;text-wrap:pretty}p{overflow-wrap:break-word}p+p{margin-top:18px}h1{font-size:clamp(40px,4.25vw,62px);font-weight:800;line-height:1.3}h2{font-size:clamp(30px,3.2vw,44px);font-weight:750;line-height:1.4}h3{font-size:23px;font-weight:700}h4{font-size:20px}em{color:var(--teal);font-style:normal}strong,b{font-weight:750}.container{width:min(1280px,calc(100% - 96px));margin-inline:auto}.section{padding:90px 0}.tinted{background:var(--tint)}.dark{background:var(--deep);color:#f9fcff}.dark p{color:#bad0e1}.dark .eyebrow{color:var(--aqua)}.narrow{max-width:900px}.split{display:grid;grid-template-columns:1fr 1fr;gap:68px;align-items:center}.split>div>h2{margin-bottom:24px}.split>div>p:not(.eyebrow){color:var(--muted)}.eyebrow{font-size:12px;font-weight:750;letter-spacing:.14em;color:var(--teal);line-height:1.65;margin-bottom:18px}.section-heading{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end;margin-bottom:40px}.section-intro{max-width:510px;color:var(--muted);padding-bottom:5px}.section-intro .text-link{margin-top:16px}.section-intro:empty{display:none}.text-link{display:inline-flex;gap:8px;align-items:center;font-size:14px;font-weight:750;color:var(--teal);line-height:1.6}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.button{display:inline-flex;min-height:48px;justify-content:center;align-items:center;gap:16px;padding:13px 22px;border:1px solid transparent;border-radius:8px;font-size:14px;font-weight:750;line-height:1.5;transition:background .2s,transform .2s,box-shadow .2s;text-align:center}.button:hover{transform:translateY(-2px)}.button.primary{background:var(--navy);color:#fff;box-shadow:0 8px 18px #17345915}.button.primary:hover{background:#235384}.button.outline{background:#fff;color:var(--ink);border-color:#b8ccdc}.button.outline:hover{border-color:var(--teal);background:#f4fbfa}.button.light{background:#f2fffc;color:var(--navy)}.tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:5px;background:#e8f5f3;color:#126c73;font-size:11px;font-weight:750;letter-spacing:.015em;line-height:1.8}.tag.muted{background:#eef2f7;color:#476381}.evidence-note{font-size:12px!important;line-height:1.8;color:#5e7387!important;margin-top:22px!important;max-width:1050px}.grid{display:grid;gap:22px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.info-card{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff;display:flex;flex-direction:column;align-items:flex-start}.info-card h3{margin:20px 0 12px}.info-card p:not(.eyebrow){font-size:15px;color:var(--muted);line-height:1.9}.info-card .text-link{margin-top:22px}.info-card .tag{margin-top:12px}.info-card .tag+p{margin-top:16px}.card-index{font-size:12px;font-weight:750;letter-spacing:.1em;color:#7295ad}.dark .info-card{border-color:#ffffff20;background:#ffffff04;border-radius:12px}.dark .info-card h3{color:#fff}.dark .info-card p{color:#bad0e1}.dark .card-index{color:var(--aqua)}.skip-link{position:fixed;top:12px;left:16px;transform:translateY(-200%);background:var(--navy);color:#fff;padding:10px 18px;border-radius:6px;z-index:1000}.skip-link:focus{transform:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}main:focus{outline:none}section[id],article[id]{scroll-margin-top:110px}
/* Shared navigation */
.site-header{position:sticky;top:0;z-index:100;background:#ffffffed;border-bottom:1px solid #dbe6efcc;backdrop-filter:blur(14px)}.header-inner{width:min(1360px,calc(100% - 64px));margin:auto;min-height:84px;display:flex;align-items:center;gap:34px}.brand{flex:0 0 133px}.brand img{width:133px;height:auto;max-height:66px;object-fit:contain}.main-nav{display:flex;align-items:center;gap:clamp(16px,1.8vw,28px);margin-inline:auto}.main-nav>a{font-size:13px;white-space:nowrap;position:relative;padding:27px 0;color:#425f7a;font-weight:650}.main-nav>a:hover,.main-nav>a[aria-current]{color:var(--teal)}.main-nav>a[aria-current]:after{position:absolute;content:"";height:2px;background:var(--teal);bottom:17px;left:0;right:0}.header-actions{display:flex;align-items:center;gap:18px}.language-switch{font-size:12px;font-weight:750;min-width:32px;min-height:44px;display:grid;place-items:center}.header-cta{padding:9px 16px;display:inline-flex;gap:15px;white-space:nowrap;background:var(--navy);color:#fff;font-size:12px;border-radius:6px;font-weight:750}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;width:42px;height:42px;border-radius:7px;padding:12px 10px}.menu-toggle span{display:block;height:2px;background:var(--navy);margin:4px 0;transition:transform .2s}.site-header.is-open .menu-toggle span:first-child{transform:translateY(3px) rotate(45deg)}.site-header.is-open .menu-toggle span:last-child{transform:translateY(-3px) rotate(-45deg)}
/* Home visual: independent sample lanes, not an FFPE-to-DNA/RNA claim. */
.home-hero{background:radial-gradient(ellipse at 95% 20%,#eaf3f8 0,transparent 58%),linear-gradient(150deg,#fff 35%,#f8fbfd)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center;padding-block:68px 50px}.hero-copy h1{font-size:clamp(46px,4.45vw,66px);line-height:1.29;letter-spacing:-.035em}.hero-lead{font-size:17px;line-height:1.95;color:var(--muted);max-width:680px;margin-top:25px}.hero-copy .eyebrow{display:flex;align-items:center;gap:9px;margin-bottom:23px;font-size:11px}.live-dot{width:6px;height:6px;border-radius:100%;background:var(--teal);box-shadow:0 0 0 4px #15848a10;flex:none}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero-footnote{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:30px;font-size:12px;color:#3e5972}.hero-footnote i{font-style:normal;color:#a1b4c4}.hero-footnote>span{font-weight:750}.hero-footnote small{font-size:11px;color:#678198;width:100%}.hero-visual{background:var(--deep);border-radius:25px;overflow:hidden;box-shadow:0 22px 60px #17345921;border:1px solid #17345912;transform:translateY(1px)}.visual-image{position:relative;height:334px;overflow:hidden}.visual-image>img{width:100%;height:100%;object-fit:cover;object-position:68% center}.visual-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#09254190,transparent 82%)}.visual-heading{position:absolute;z-index:1;left:27px;right:25px;top:24px;color:#fff}.visual-heading span{display:block;color:#c0e6ef;font-size:9px;font-weight:650;letter-spacing:.18em}.visual-heading strong{display:block;font-size:25px;line-height:1.5;margin-top:12px;letter-spacing:-.02em}.visual-caption{position:absolute;right:19px;bottom:12px;color:#d0dce9;font-size:9px;z-index:1;letter-spacing:.08em}.sample-lanes{padding:8px 23px 19px;background:var(--deep)}.sample-lanes>a{display:flex;align-items:center;gap:14px;border-top:1px solid #ffffff1c;padding:17px 0 10px;color:#fff}.sample-lanes>a+ a{margin-top:7px}.sample-lanes>a>span:last-child{margin-left:auto;color:var(--aqua)}.lane-icon{display:grid;place-items:center;width:35px;height:35px;flex:none;border-radius:8px;border:1px solid #779fc342;color:#b8d4ef;font-size:12px}.lane-icon.teal{color:#8ce0d7;border-color:#8ce0d744}.sample-lanes small{font-size:9px;font-weight:700;color:#a7c2d9;letter-spacing:.12em;display:block}.sample-lanes b{font-size:13px;font-weight:600;line-height:1.7}.proof-strip{border-top:1px solid #d8e5ee;display:grid;grid-template-columns:1.08fr .95fr .95fr 1fr;gap:35px;align-items:center;padding-block:27px 31px}.proof-label span{font-size:9px;letter-spacing:.13em;color:#54868e;font-weight:750}.proof-label p{font-size:13px;margin-top:8px;color:var(--muted)}.proof-strip>a{border-left:1px solid #d5e2ec;padding-left:27px}.proof-strip strong{font-size:28px;line-height:1.3;letter-spacing:-.03em;display:block}.proof-strip>a>span{font-size:10px;line-height:1.8;color:#55738b;display:block;margin-top:6px}.proof-note{font-size:11px;line-height:1.8;color:#6e8499}
/* Technology and home stories */
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.tech-card{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:linear-gradient(155deg,#fff,#f7faff);display:grid;grid-template-columns:1fr 115px;transition:box-shadow .2s,transform .2s}.tech-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.tech-copy{padding:30px 16px 30px 30px}.tech-copy>.eyebrow{font-size:9px;letter-spacing:.12em;margin-bottom:12px}.tech-copy h3{font-size:34px;letter-spacing:-.035em;margin-bottom:24px}.tech-copy h4{font-size:21px;margin-bottom:17px;line-height:1.65}.tech-copy p:not(.eyebrow){font-size:14px;color:var(--muted);line-height:1.95}.tech-copy .tech-source{font-size:11px!important;font-weight:700;color:var(--teal)!important;margin:20px 0 15px}.tech-thumbnail{background:linear-gradient(90deg,#f5f9fc,#eaf2f9);display:flex;align-items:center;padding:20px 0;overflow:hidden}.tech-thumbnail>img{height:300px;width:auto;max-width:none;filter:drop-shadow(0 8px 20px #1734590e);opacity:.93;object-fit:contain}.tech-card:last-child .tech-thumbnail{background:linear-gradient(90deg,#f5fbfa,#e6f3f0)}.choice-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}.choice{border:1px solid #cbdde8;color:var(--muted);border-radius:8px;padding:10px 20px;background:#fff;font-size:13px;line-height:1.7;font-weight:650;min-height:44px}.choice:hover{border-color:var(--teal);color:var(--teal)}.choice[aria-pressed="true"]{color:#fff;background:var(--navy);border-color:var(--navy)}.picker-panel{border:1px solid #d8e5ed;display:flex;align-items:center;justify-content:space-between;gap:35px;background:#fff;padding:34px;border-radius:16px;margin-top:16px}.picker-panel h3{font-size:24px;margin:14px 0 11px}.picker-panel p{font-size:15px;color:var(--muted);max-width:850px}.picker-panel .button{flex:0 0 auto}.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.story-card{border:1px solid var(--line);border-radius:20px;overflow:hidden}.story-image{height:280px;background:#f1f6fa;padding:23px 30px;overflow:hidden;display:flex;justify-content:center;align-items:flex-start}.story-image img{max-height:440px;width:auto;max-width:100%;object-fit:contain;box-shadow:0 7px 25px #17345913}.story-copy{padding:27px 30px 31px}.story-copy .eyebrow{font-size:10px}.story-copy h3{font-size:24px;margin-bottom:14px}.story-copy p:not(.eyebrow){color:var(--muted);font-size:15px}.story-copy .text-link{margin-top:20px}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:48px}.process-grid article{padding-top:24px;border-top:2px solid #b9d8df}.process-grid article>span{font-size:12px;color:var(--teal);font-weight:750}.process-grid h3{font-size:20px;margin:16px 0 12px}.process-grid p{font-size:14px;color:var(--muted)}.product-section{background:#f0f5fa}.product-split{display:grid;grid-template-columns:1fr 1fr;gap:78px;align-items:center}.product-split h2{margin-bottom:24px}.product-split>div>p:not(.eyebrow){color:var(--muted);font-size:16px}.product-tags{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0}.product-tags .tag{background:#e1ebf5;color:#365777}.instrument{border-radius:20px;background:#fff;padding:20px 24px 19px;position:relative;border:1px solid var(--line)}.instrument .status-chip{display:inline-block;background:#edf4f8;color:#4b6e89;font-size:10px;font-weight:700;line-height:1.9;padding:5px 9px;border-radius:4px;margin-bottom:12px}.instrument img{width:100%;max-height:385px;object-fit:contain}.instrument figcaption{font-size:11px;line-height:1.8;color:#6d8396;margin-top:14px}.cta-section{padding:62px 0;background:var(--navy);color:#fff}.cta-inner{display:flex;gap:50px;align-items:center;justify-content:space-between}.cta-inner .eyebrow{color:#9cdbdb;font-size:10px}.cta-inner h2{font-size:34px;margin-bottom:15px}.cta-inner p:not(.eyebrow){font-size:15px;color:#b8ccde}.cta-inner .button{flex:none}
/* Detail pages */
.page-hero{padding:65px 0 66px;background:linear-gradient(120deg,#f8fbfd,#eef5f9);border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(36px,4.05vw,56px);max-width:1120px;line-height:1.4}.page-hero .hero-lead{max-width:840px}.page-hero.with-figure .split{gap:80px;grid-template-columns:1.3fr .7fr}.page-hero.with-figure h1{font-size:clamp(35px,3.6vw,52px)}.page-hero-figure{height:300px;display:flex;align-items:center;justify-content:center;flex-direction:column}.page-hero-figure img{max-height:265px;width:auto;object-fit:contain;filter:drop-shadow(0 10px 22px #17345912)}.page-hero-figure figcaption{font-size:10px;color:#698099;margin-top:10px}.metric-strip{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:30px}.metric-strip>div{padding:28px 30px;background:#fff}.metric-strip>div+div{border-left:1px solid var(--line)}.metric-strip strong{font-size:34px;line-height:1.35;letter-spacing:-.035em;display:block}.metric-strip span{font-size:13px;color:var(--muted);display:block;margin-top:10px}.research-figure{margin:0;align-self:center;max-width:100%;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}.figure-open{display:block;padding:22px;position:relative}.research-figure img{max-height:560px;max-width:100%;width:auto;margin-inline:auto;object-fit:contain}.research-figure figcaption{font-size:11px;line-height:1.7;padding:12px 18px;border-top:1px solid #e3edf3;color:#6b7f93;background:#fbfdfe}.zoom-hint{position:absolute;right:9px;bottom:8px;background:#173459e0;color:white;font-size:9px;padding:4px 8px;border-radius:4px}.figure-open:hover .zoom-hint{background:var(--teal)}.step-list{margin-top:26px}.step-list>article{display:flex;gap:20px;padding:18px 0;border-top:1px solid var(--line)}.step-list>article>span{flex:none;color:var(--teal);font-size:12px;padding-top:3px;font-weight:750}.step-list h3{font-size:19px;margin-bottom:8px}.step-list p{font-size:14px;color:var(--muted)}.faq-list{margin-top:30px}.faq-list details{border-top:1px solid #cfdde7;padding:20px 2px}.faq-list details:last-child{border-bottom:1px solid #cfdde7}summary{position:relative;cursor:pointer;font-weight:700;line-height:1.8;padding-right:35px;list-style:none;font-size:16px}summary::-webkit-details-marker{display:none}summary:after{content:"+";font-weight:400;font-size:24px;color:var(--teal);position:absolute;right:3px;top:-6px}details[open]>summary:after{content:"−"}details[open]>summary{color:var(--teal)}details>p{font-size:14px;color:var(--muted);margin-top:18px;line-height:1.9}.readout-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:28px;gap:10px}.readout-grid>div{border:1px solid #d1e4e6;border-radius:10px;padding:16px 12px;background:#fff}.readout-grid b{font-size:18px;color:var(--teal)}.readout-grid p{font-size:12px;color:var(--muted);margin-top:10px}.application-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.application-card{border:1px solid var(--line);border-radius:18px;padding:28px;background:#fff;display:flex;flex-direction:column}.card-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.application-card h3{font-size:25px;line-height:1.5;margin-bottom:13px}.application-question{color:var(--teal);font-size:15px;font-weight:650;min-height:54px}.application-card dl{margin:20px 0}.application-card dt{font-size:11px;color:#69839b;font-weight:750;letter-spacing:.05em;margin-bottom:6px}.application-card dd{margin:0 0 15px;font-size:14px;line-height:1.9;color:var(--muted)}.application-card details{padding-top:16px;border-top:1px solid var(--line);margin-top:auto}.application-card summary{font-size:13px}.application-card details>p{font-size:13px}.application-card>.text-link{margin-top:24px}.evidence-index{display:flex;gap:15px;flex-wrap:wrap}.evidence-index .pill-link{padding:13px 24px;border:1px solid var(--line);border-radius:8px;font-size:14px}.study-section{padding-top:35px}.study-section+.study-section{padding-top:80px;border-top:1px solid var(--line)}.study-stat{font-size:14px;border-left:3px solid var(--teal);padding-left:18px;margin-top:24px!important}.publication{border:1px solid var(--line);border-radius:10px;padding:21px;margin-top:26px;background:#f8fbfd}.publication h3{font-size:16px;line-height:1.6;font-weight:650;margin-bottom:12px;letter-spacing:0}.publication a{font-size:12px;color:var(--teal);overflow-wrap:anywhere}.comparison-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;scrollbar-width:thin}.comparison-wrap table{border-collapse:collapse;width:100%;min-width:620px;text-align:left}.comparison-wrap caption{text-align:left;padding:15px 22px;font-size:12px;color:#667e93;caption-side:bottom}.comparison-wrap th{padding:17px 22px;font-size:13px;background:#eaf2f6;color:var(--navy);border-bottom:1px solid var(--line)}.comparison-wrap td{font-size:14px;vertical-align:top;padding:19px 22px;border-bottom:1px solid var(--line);color:var(--muted)}.comparison-wrap td:first-child{font-weight:700;color:var(--ink);min-width:125px}.resource-card{padding:32px;border:1px solid var(--line);border-radius:16px;background:#fff}.resource-card h3{font-size:28px;margin:8px 0 12px}.resource-card h4{font-size:18px;color:var(--muted);font-weight:600}.check-list{margin:22px 0 0;padding:0;list-style:none}.check-list>li{padding:12px 0 12px 23px;position:relative;border-top:1px solid #e5edf4;font-size:14px;color:var(--muted)}.check-list>li:before{content:"✓";position:absolute;left:0;color:var(--teal)}.large-copy{font-size:19px!important;line-height:2}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.contact-grid h2{margin-bottom:24px}.contact-grid>div>p{color:var(--muted);font-size:15px}.contact-card{border:1px solid var(--line);border-radius:14px;padding:25px;background:#f5f9fc;margin:28px 0}.contact-card>.eyebrow{display:block;font-size:10px;margin-bottom:9px}.contact-card>a{font-size:20px;font-weight:750;color:var(--navy);overflow-wrap:anywhere}.contact-card p{font-size:12px;color:var(--muted);margin-top:13px}.brief-panel{padding:30px;border:1px solid var(--line);background:#f9fbfd;border-radius:18px}.brief-panel form{display:flex;flex-direction:column}.brief-panel label{font-size:13px;font-weight:700;margin-bottom:9px}.brief-panel input,.brief-panel select,.brief-panel textarea{width:100%;border:1px solid #c6d8e6;border-radius:7px;padding:12px 14px;background:#fff;color:var(--ink);font-size:14px;line-height:1.7;margin-bottom:22px;min-width:0}.brief-panel textarea{resize:vertical;min-height:115px}.brief-panel .button{align-self:flex-start}.brief-result{border-top:1px solid var(--line);padding-top:25px;margin-top:25px}.brief-result h3{font-size:20px;margin-bottom:17px}.brief-result textarea{font-size:12px;line-height:1.85;min-height:300px}.brief-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.brief-actions .button{font-size:12px;padding:10px 14px;min-height:43px}.brief-status{font-size:12px;color:var(--teal);margin-top:14px;min-height:20px}.brief-result:focus{outline:none}
/* Footer */
.site-footer{background:#f7fafc;border-top:1px solid var(--line);padding:45px 0 22px}.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:45px}.footer-brand img{width:130px;height:auto;max-height:70px;object-fit:contain}.footer-brand p{font-size:12px;color:var(--muted);margin-top:16px;line-height:1.9}.footer-email{display:inline-block;font-size:13px;color:var(--teal);margin-top:16px}.footer-links h2{font-size:12px;font-weight:750;letter-spacing:0;margin:10px 0 20px}.footer-links a{display:block;font-size:12px;color:var(--muted);margin-bottom:11px}.footer-links a:hover{color:var(--teal);text-decoration:underline;text-underline-offset:4px}.footer-bottom{display:flex;justify-content:space-between;align-items:start;gap:35px;margin-top:34px;padding-top:21px;border-top:1px solid var(--line)}.footer-bottom p{font-size:10px;color:#758b9e;line-height:1.9;margin:0}.footer-bottom p:last-child{max-width:800px}
@media(min-width:1500px){.hero-grid{padding-block:75px 60px}.visual-image{height:375px}.hero-copy h1{font-size:68px}}
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