:root{--ink:#0b2b32;--paper:#f7fbfa;--line:#b9ccca;--cyan:#00a9c7;--orange:#ff6a3d;--soft:#e7f2f1;--dark:#102f36}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.7;letter-spacing:0}a{color:inherit}.wrap{width:min(1180px,calc(100% - 48px));margin:auto}.mast{height:72px;background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:4}.nav{height:72px;display:flex;align-items:center;gap:28px}.brand{font-weight:900;text-decoration:none;font-size:20px}.brand b{color:var(--orange)}.links{margin-left:auto;display:flex;gap:24px}.links a,.nav-cta{text-decoration:none;font-size:14px}.nav-cta{background:var(--ink);color:#fff;padding:11px 17px}.menu{display:none;margin-left:auto;border:0;background:none;font-size:22px}.hero{min-height:680px;position:relative;display:grid;align-items:center;overflow:hidden;background:#dcebec}.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-copy{position:relative;z-index:2}.hero-card{width:min(560px,52%);padding:42px;background:rgba(247,251,250,.94);border-left:8px solid var(--orange)}.eyebrow{text-transform:uppercase;color:var(--cyan);font-size:12px;font-weight:800}.hero h1{font-size:58px;line-height:1.08;margin:14px 0 20px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-block;text-decoration:none;border:1px solid var(--ink);padding:12px 18px;font-weight:700}.btn.hot{background:var(--orange);border-color:var(--orange);color:#fff}.cal-strip{background:var(--dark);color:#fff}.cal-grid{display:grid;grid-template-columns:repeat(4,1fr)}.cal-grid div{padding:20px;border-right:1px solid #41626a}.cal-grid small{display:block;color:#7ed9e6}.section{padding:92px 0}.section.white{background:#fff}.intro{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px}.intro h2,.section-head h2{font-size:42px;line-height:1.15;margin:0}.check-list{border-top:2px solid var(--ink)}.check-row{display:grid;grid-template-columns:120px 1fr auto;gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}.check-row strong{color:var(--orange)}.device-rail{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.device{padding:28px;border-right:1px solid var(--line);min-height:250px}.device:last-child{border:0}.device span{font-size:12px;color:var(--cyan)}.device h3{font-size:26px}.device a{display:inline-block;margin-top:20px}.lab{display:grid;grid-template-columns:1.2fr .8fr;gap:0;border:1px solid var(--line)}.lab-main{padding:48px;background:var(--dark);color:#fff}.spectrum{height:110px;margin:30px 0;background:repeating-linear-gradient(90deg,#02a9c7 0 7%,#d9eeee 7% 14%,#ff6a3d 14% 17%,#102f36 17% 24%)}.lab-note{padding:28px;border-bottom:1px solid var(--line);background:#fff}.stories{display:grid;grid-template-columns:1.35fr 1fr 1fr;border-top:2px solid var(--ink)}.story{padding:28px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.story:first-child{grid-row:span 2}.story time{color:var(--orange);font-size:12px}.story h3{font-size:21px;line-height:1.35}.story:first-child h3{font-size:32px}.faq details{border-top:1px solid var(--line);padding:18px 0}.footer{background:var(--dark);color:#fff;padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:40px}.footer a{display:block;color:#c2dada;text-decoration:none;margin:7px 0}.copy{border-top:1px solid #34545b;margin-top:30px;padding-top:18px}.page-head{padding:80px 0 45px;background:var(--soft)}.page-head h1{font-size:48px;line-height:1.15}.page-body{width:min(880px,calc(100% - 48px));margin:0 auto;padding:60px 0}.prose h2{font-size:30px;margin-top:48px}.prose p{font-size:17px}.article-card{padding:25px 0;border-bottom:1px solid var(--line)}.article-card h2{margin:5px 0}.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px}@media(max-width:760px){.wrap{width:min(100% - 28px,1180px)}.mast,.nav{height:62px}.links{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;padding:20px;flex-direction:column}.links.open{display:flex}.nav-cta{margin-left:auto}.menu{display:block}.hero{min-height:620px;align-items:end}.hero-card{width:100%;padding:26px;margin-bottom:24px}.hero h1{font-size:39px}.cal-grid{grid-template-columns:1fr 1fr}.intro,.lab{grid-template-columns:1fr;gap:30px}.intro h2,.section-head h2{font-size:34px}.check-row{grid-template-columns:72px 1fr}.check-row a{grid-column:2}.device-rail{grid-template-columns:1fr 1fr}.device{min-height:220px;border-bottom:1px solid var(--line)}.stories{grid-template-columns:1fr}.story,.story:first-child{grid-row:auto;border-right:0}.footer-grid{grid-template-columns:1fr 1fr}.page-head h1{font-size:38px}.section{padding:65px 0}}