:root{--ink:#142c37;--muted:#566c76;--paper:#f6f8f7;--accent:#187e8c}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}header{padding:20px 5%;display:flex;align-items:center;gap:32px;border-bottom:1px solid #d6dfdf;background:#f6f8f7f5;position:sticky;top:0;z-index:9}.brand{display:flex;gap:12px;align-items:center;font-size:19px;font-weight:700;line-height:1.4}.brand small{display:block;font-size:9px;letter-spacing:2px}.mark{font-size:40px;color:var(--accent)}nav{display:flex;gap:30px;margin-left:auto;font-size:14px}button{border:1px solid #c7d5d7;background:transparent;padding:9px 12px;color:var(--ink);cursor:pointer}a:hover{color:var(--accent)}button:focus-visible,a:focus-visible{outline:3px solid #f2ae4e;outline-offset:5px}.hero{min-height:690px;display:grid;grid-template-columns:1.1fr 1fr;gap:6%;padding:75px 5% 65px;align-items:center;background:radial-gradient(at 5% 0%,#e6f0ef,transparent 60%)}.eyebrow{font-size:11px;letter-spacing:2.5px;color:var(--accent);font-weight:700;margin:0 0 25px}h1{font-size:clamp(36px,4.2vw,64px);line-height:1.22;letter-spacing:-2px;font-weight:600;margin:0 0 28px}h2{font-size:clamp(28px,3vw,43px);line-height:1.35;font-weight:500;letter-spacing:-1px;margin:0 0 25px}h3{font-size:20px;margin:0 0 12px;font-weight:600}p{margin:0 0 20px}.intro{max-width:560px;font-size:16px;color:var(--muted);margin-bottom:34px}.button{background:var(--ink);color:white;display:inline-block;padding:13px 25px;font-size:14px}.button:hover{background:var(--accent);color:white}.text-link{margin-left:25px;font-size:14px}.hero-tags{display:flex;gap:22px;margin-top:50px;font-size:12px;color:var(--muted)}.hero-tags span:before{content:'+';color:var(--accent);margin-right:7px}figure{margin:0}.hero-photo{padding:22px;background:#e1e9e8;border:1px solid #cfdbda;transform:rotate(-1deg)}.hero-photo img{width:100%;display:block;aspect-ratio:1.2;object-fit:cover}.hero-photo figcaption{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px;margin-top:15px}.section{padding:85px 7%;border-top:1px solid #d6dfdf}.section-heading{display:grid;grid-template-columns:1fr 1.2fr;gap:0 8%;margin-bottom:45px}.section-heading .eyebrow{grid-column:1/-1}.section-heading>p:last-child{color:var(--muted);max-width:540px;align-self:center}.system-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:8%;align-items:center}.optics{background:white;text-align:center;padding:25px}.optics img{height:300px;max-width:100%;object-fit:contain}.optics figcaption{font-size:11px;color:var(--muted);margin-top:12px}.feature-list article{display:flex;gap:24px;border-bottom:1px solid #d6dfdf;padding:22px 0}.feature-list article>span{color:var(--accent);font-size:12px}.feature-list p,.cards p{font-size:14px;color:var(--muted);margin:0}.dark{background:#122c37;color:#f4f8f7}.dark .eyebrow{color:#74c2c8}.cards{display:grid;grid-template-columns:repeat(3,1fr);margin-top:45px;gap:38px}.cards article{border-top:1px solid #4a626a;padding-top:25px}.cards article>span{font-size:10px;letter-spacing:2px;color:#82bcc4;display:block;margin-bottom:22px}.cards p{color:#b5c7cd}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px;margin-top:38px}th,td{text-align:left;padding:19px 22px;border-bottom:1px solid #d1dddd}th{background:#e5eeec;font-weight:500}td:first-child{color:var(--muted)}.note{font-size:12px;color:var(--muted);margin:20px 0 0}.results{background:#eaf0ef}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.gallery img{width:100%;height:230px;object-fit:contain;background:#101719;display:block}.gallery figcaption{font-size:12px;margin-top:14px;color:var(--muted)}.contact{display:grid;grid-template-columns:1.2fr 1fr;gap:8%;background:#d9e9e6}.contact p{color:var(--muted)}.contact-details{align-self:center;display:flex;flex-direction:column;gap:12px}.contact-details p{color:var(--ink);font-weight:600}.contact-details a{font-size:clamp(18px,2.2vw,28px)}.contact-details span{font-size:10px;letter-spacing:2px;margin-top:12px;color:var(--muted)}footer{padding:25px 5%;display:flex;justify-content:space-between;font-size:10px;color:var(--muted);gap:15px}@media(min-width:1500px){main{max-width:1600px;margin:auto}}@media(max-width:800px){header{gap:15px;padding:12px 5%}nav{display:none}header button{margin-left:auto}.hero{grid-template-columns:1fr;padding:45px 6%;gap:40px;min-height:0}h1{letter-spacing:-1px}.hero-photo{max-width:550px}.hero-tags{gap:14px;margin-top:30px}.section{padding:55px 6%}.section-heading,.system-grid,.contact{grid-template-columns:1fr;gap:25px}.section-heading{margin-bottom:28px}.cards{grid-template-columns:1fr;gap:28px}.gallery{grid-template-columns:1fr 1fr}.gallery img{height:210px}th,td{padding:14px;min-width:120px}footer{flex-direction:column}.contact-details{margin-top:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid #d6dfdf;padding:30px 0 10px}.specs strong{display:block;font-size:25px;font-weight:500;white-space:nowrap}.specs small{font-size:14px}.specs span{font-size:12px;color:var(--muted)}.specs~.system-grid{margin-top:40px}@media(max-width:800px){.specs{grid-template-columns:repeat(2,1fr)}.specs strong{font-size:21px}}

/* Harmonized typography: 2026-11-10 */
body{font-size:16px;line-height:1.75}
h1{font-size:clamp(32px,3.2vw,44px);line-height:1.4;letter-spacing:0}
h2{font-size:clamp(26px,2.5vw,32px);line-height:1.45;letter-spacing:0}
h3{font-size:20px;line-height:1.5}
.intro,.section-heading>p:last-child,.feature-list p,.cards p{font-size:16px;line-height:1.8}
nav,.button,.text-link,table,.hero-tags{font-size:15px}
.eyebrow,.cards article>span{font-size:13px;letter-spacing:1.4px}
.note,.gallery figcaption,.optics figcaption,.specs span,.hero-photo figcaption,footer{font-size:14px;line-height:1.65}
.brand{font-size:19px}.brand small{font-size:11px;letter-spacing:1px}
.specs strong{font-size:24px}.specs small{font-size:16px}
.contact-details a{font-size:22px}.contact-details span{font-size:13px}
@media(max-width:800px){
 h1{font-size:32px}h2{font-size:26px}h3{font-size:20px}
 .intro,.feature-list p,.cards p{font-size:16px}
 .specs strong{font-size:22px}.contact-details a{font-size:20px}
 .hero-photo figcaption{flex-wrap:wrap;gap:6px}
 .hero-tags{flex-wrap:wrap;gap:10px 18px}
}