:root{--ink:#18252a;--muted:#607177;--paper:#f6f8f7;--white:#fff;--cyan:#0b8991;--cyan2:#dff4f1;--coral:#d6574e;--coral2:#fae8e4;--line:#ccd8d7;--night:#17282b;--shadow:0 18px 55px rgba(22,43,47,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 Inter,"Noto Sans SC","Microsoft YaHei",sans-serif;letter-spacing:0}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}.shell{width:min(1180px,calc(100% - 40px));margin:auto}.site-head{height:76px;background:rgba(250,252,251,.92);border-bottom:1px solid rgba(24,37,42,.1);display:flex;align-items:center;position:sticky;top:0;z-index:20;backdrop-filter:blur(18px)}.head-in{display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;font-weight:800}.brand-mark{width:34px;height:34px;border:7px solid var(--cyan);border-right-color:var(--coral);border-radius:50%;position:relative}.brand-mark:after{content:"";position:absolute;width:8px;height:8px;background:var(--ink);border-radius:50%;inset:6px}.brand small{display:block;font-size:10px;line-height:1;color:var(--muted);font-weight:700}.nav{display:flex;align-items:center;gap:24px;font-size:14px}.nav a:hover{color:var(--coral)}.head-actions{display:flex;gap:8px}.button,.button-ghost{min-height:46px;padding:0 20px;display:inline-flex;align-items:center;justify-content:center;border-radius:4px;font-weight:750;border:1px solid transparent}.button{background:var(--coral);color:#fff}.button:hover{background:#bd443c}.button-ghost{border-color:var(--ink);background:transparent}.button-ghost:hover{background:var(--ink);color:#fff}.menu{display:none;border:0;background:none;width:42px;height:42px;font-size:22px}.hero{min-height:680px;background-image:linear-gradient(90deg,transparent 0 42%,rgba(247,249,248,.16) 56%,rgba(247,249,248,.94) 73%,#f7f9f8 100%),url("/assets/naiyun-nanomedicine-lab.webp");background-size:cover;background-position:center;display:grid;align-items:center}.hero-copy{width:min(550px,45%);margin-left:auto;padding:72px 0}.eyebrow{font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.16em;color:var(--coral);display:flex;align-items:center;gap:10px}.eyebrow:before{content:"";width:34px;height:2px;background:currentColor}.hero h1,.page-lead h1{font-family:"Noto Serif SC","Songti SC",serif;font-weight:600;font-size:clamp(42px,5vw,72px);line-height:1.08;margin:20px 0 22px;letter-spacing:0}.hero p{font-size:18px;color:#43545a;max-width:520px}.hero-actions{display:flex;gap:12px;margin:30px 0}.hero-notes{display:flex;gap:30px;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.hero-notes b{display:block;color:var(--ink);font-size:15px}.diagnostic{background:var(--night);color:#f7fbfa;padding:34px 0}.diagnostic-grid{display:grid;grid-template-columns:1.05fr repeat(3,1fr);gap:0}.diag-intro{padding-right:34px}.diag-intro h2{font:500 26px/1.2 "Noto Serif SC","Songti SC",serif;margin:6px 0}.diag-step{padding:4px 28px;border-left:1px solid rgba(255,255,255,.18)}.diag-step b{color:#79d6ce;font-size:12px}.diag-step p{margin:8px 0 0;color:#c8d6d5;font-size:14px;line-height:1.55}.section{padding:90px 0}.section.white{background:var(--white)}.section-head{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;margin-bottom:48px;align-items:end}.section-head h2{font:500 clamp(32px,4vw,50px)/1.15 "Noto Serif SC","Songti SC",serif;margin:10px 0}.section-head p{color:var(--muted);margin:0}.device-spectrum{border-top:2px solid var(--ink)}.device-row{display:grid;grid-template-columns:170px 1fr 160px;align-items:center;gap:28px;padding:24px 0;border-bottom:1px solid var(--line)}.device-row h3{margin:0;font-size:18px}.device-row p{margin:0;color:var(--muted)}.device-row a{color:var(--coral);font-weight:750;text-align:right}.slices{display:grid;grid-template-columns:1.3fr .7fr;gap:26px}.slice-main{min-height:460px;background:var(--cyan2);padding:42px;position:relative;overflow:hidden}.slice-main:after{content:"";position:absolute;width:330px;height:330px;border:70px solid rgba(11,137,145,.15);border-radius:50%;right:-60px;bottom:-70px}.slice-main h3{font:500 38px/1.2 "Noto Serif SC","Songti SC",serif;max-width:520px;margin:100px 0 18px;position:relative;z-index:1}.slice-main p{max-width:560px;position:relative;z-index:1}.slice-side{display:grid;gap:26px}.slice-note{padding:30px;background:var(--coral2);min-height:217px}.slice-note:last-child{background:var(--night);color:#fff}.slice-note h3{margin:8px 0 12px;font-size:22px}.slice-note p{margin:0;color:inherit;opacity:.78}.history-strip{display:grid;grid-template-columns:270px 1fr;background:#f0f3f2;border:1px solid var(--line)}.history-label{padding:40px;background:var(--coral);color:white}.history-label strong{font:500 34px/1.15 "Noto Serif SC","Songti SC",serif}.history-body{padding:40px 46px;display:grid;grid-template-columns:1fr 1fr;gap:40px}.history-body h3{margin:0 0 10px}.history-body p{margin:0;color:var(--muted)}.article-ledger{border-top:1px solid var(--ink)}.article-item{display:grid;grid-template-columns:150px 1fr 130px;gap:30px;padding:27px 0;border-bottom:1px solid var(--line);align-items:start}.article-item time,.article-item .cat{font-size:12px;color:var(--muted)}.article-item h3{font:500 23px/1.35 "Noto Serif SC","Songti SC",serif;margin:0 0 8px}.article-item p{margin:0;color:var(--muted)}.article-item .read{text-align:right;color:var(--coral);font-weight:750}.faq{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.faq h2{font:500 42px/1.15 "Noto Serif SC","Songti SC",serif}.faq details{border-top:1px solid var(--line);padding:20px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{font-weight:750;cursor:pointer}.faq details p{color:var(--muted);margin-bottom:0}.site-foot{background:var(--night);color:#dce8e7;padding:58px 0 28px}.foot-grid{display:grid;grid-template-columns:1.2fr repeat(3,.7fr);gap:50px}.foot-grid h3{color:white;margin-top:0}.foot-grid h4{font-size:12px;color:#7fd6ce;text-transform:uppercase}.foot-grid a{display:block;margin:8px 0;color:#becdcb}.foot-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:44px;padding-top:22px;color:#8fa5a2;font-size:13px;display:flex;justify-content:space-between}.page-lead{padding:90px 0 55px;background:var(--white);border-bottom:1px solid var(--line)}.page-lead p{max-width:760px;color:var(--muted);font-size:18px}.content-grid{display:grid;grid-template-columns:250px minmax(0,760px);gap:70px;align-items:start}.side-index{position:sticky;top:110px;border-top:2px solid var(--coral);padding-top:18px}.side-index a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}.prose{font-size:17px}.prose h2{font:500 32px/1.25 "Noto Serif SC","Songti SC",serif;margin:58px 0 18px}.prose h3{font-size:21px;margin-top:34px}.prose p{margin:0 0 20px}.prose ul{padding-left:22px}.notice{border-left:4px solid var(--coral);background:var(--coral2);padding:20px 24px;margin:28px 0}.matrix{width:100%;border-collapse:collapse;margin:28px 0;font-size:14px}.matrix th,.matrix td{text-align:left;border-bottom:1px solid var(--line);padding:14px 10px;vertical-align:top}.matrix th{background:#edf3f2}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:20px}.article-head{padding:75px 0 48px;background:var(--white)}.article-head h1{font:500 clamp(36px,5vw,60px)/1.16 "Noto Serif SC","Songti SC",serif;max-width:920px;margin:16px 0}.article-head .dek{font-size:19px;color:var(--muted);max-width:800px}.article-body{max-width:800px;margin:auto;padding:60px 0 90px}.article-body h2{font:500 31px/1.3 "Noto Serif SC","Songti SC",serif;margin:54px 0 18px}.article-body p{font-size:17px;margin:0 0 21px}.related{max-width:800px;margin:0 auto 90px;border-top:2px solid var(--ink);padding-top:24px}.related a{display:block;padding:13px 0;border-bottom:1px solid var(--line)}.status-board{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}.status-cell{padding:28px;border-right:1px solid var(--line)}.status-cell:last-child{border:0}.status-cell b{display:block;color:var(--coral);font-size:12px}.status-cell h3{margin:8px 0}.status-cell p{color:var(--muted);margin:0;font-size:14px}.error-code{font:500 52px/1 "Noto Serif SC","Songti SC",serif;color:var(--coral)}
@media(max-width:860px){.nav{display:none;position:absolute;top:76px;left:0;right:0;background:white;padding:20px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.nav.open{display:flex}.head-actions .button-ghost{display:none}.menu{display:block}.hero{min-height:720px;background-image:linear-gradient(180deg,rgba(247,249,248,.04) 0 36%,rgba(247,249,248,.92) 57%,#f7f9f8 100%),url("/assets/naiyun-nanomedicine-lab.webp");background-position:32% center;align-items:end}.hero-copy{width:100%;padding:260px 0 52px;margin:0}.hero h1{font-size:46px}.hero p{font-size:16px}.diagnostic-grid,.section-head,.faq,.content-grid{grid-template-columns:1fr}.diag-intro{padding:0 0 20px}.diag-step{border-left:0;border-top:1px solid rgba(255,255,255,.18);padding:18px 0}.section-head{gap:12px}.slices{grid-template-columns:1fr}.history-strip{grid-template-columns:1fr}.history-body{grid-template-columns:1fr}.article-item{grid-template-columns:1fr}.article-item .read{text-align:left}.foot-grid{grid-template-columns:1fr 1fr}.side-index{position:static}.status-board{grid-template-columns:1fr}.status-cell{border-right:0;border-bottom:1px solid var(--line)}}@media(max-width:560px){.shell{width:min(100% - 28px,1180px)}.site-head{height:68px}.head-actions .button{padding:0 13px;min-height:40px}.hero-actions{display:grid;grid-template-columns:1fr 1fr}.hero-actions a{padding:0 10px}.hero-notes{gap:14px;justify-content:space-between}.section{padding:68px 0}.device-row{grid-template-columns:1fr;padding:20px 0;gap:8px}.device-row a{text-align:left}.slice-main{padding:28px;min-height:410px}.slice-main h3{font-size:31px;margin-top:90px}.history-body{padding:28px}.article-head{padding-top:55px}.article-body{padding-left:14px;padding-right:14px}.foot-grid{grid-template-columns:1fr}.foot-bottom{display:block}.foot-bottom span{display:block;margin-top:8px}}
