:root{--brand:#3bb3c3;--deep:#166976;--ink:#16303a;--muted:#526b74;--line:#dce9eb;--soft:#eff8f8;--paper:#fff}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--deep);text-underline-offset:4px}a:hover{color:#124f59}a:focus-visible,button:focus-visible{outline:3px solid var(--brand);outline-offset:5px}img{max-width:100%;height:auto}.container{max-width:1120px;margin:auto;padding:0 28px}.skip{position:absolute;left:20px;top:-70px;background:#fff;padding:10px;z-index:20}.skip:focus{top:0}.site-header{border-bottom:1px solid var(--line);background:#fff}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:90px}.wordmark{display:flex;gap:12px;align-items:center;font-weight:750;font-size:21px;text-decoration:none;color:var(--ink);white-space:nowrap}.wordmark img{width:42px;height:42px;border-radius:11px}nav{display:flex;gap:24px;flex-wrap:wrap}nav a{text-decoration:none;font-size:14px}.hero{padding:88px 0 76px;background:linear-gradient(140deg,#eff8f8,#fff 75%)}.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:64px}.eyebrow{color:var(--deep);font-size:13px;letter-spacing:3px;font-weight:700}.hero h1{font-size:clamp(34px,4.8vw,56px);line-height:1.28;letter-spacing:-1px;margin:18px 0 24px}.lead{font-size:18px;max-width:660px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin:30px 0 14px}.button{display:inline-block;padding:11px 25px;border-radius:8px;background:var(--deep);color:#fff;text-decoration:none;font-weight:600}.button:hover{background:#124f59;color:#fff}.button.secondary{color:var(--deep);background:#fff;border:1px solid var(--line)}.badge{display:inline-block;padding:5px 12px;border:1px solid var(--line);border-radius:6px;font-size:13px;color:var(--muted)}.section{padding:64px 0}.section.soft{background:var(--soft)}h2{font-size:29px;line-height:1.5;margin:0 0 12px}h3{font-size:19px;margin:12px 0}p{margin:10px 0 18px}.section-intro{color:var(--muted);max-width:720px;margin-bottom:30px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}.card p{color:var(--muted);font-size:15px}.card .number{font:600 13px/1 monospace;color:var(--deep)}.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.scene{border-top:2px solid var(--brand);padding:22px 8px}.scene p{font-size:14px;color:var(--muted)}.label-demo{transform:rotate(-4deg);box-shadow:0 20px 60px #16303a15;border:1px solid var(--line);border-radius:18px;background:#fff;padding:36px}.label-demo .demo-top{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line);padding-bottom:15px}.label-demo strong{font-size:28px}.label-demo small{color:var(--muted)}.barcode{height:55px;width:80%;margin:20px 0;background:repeating-linear-gradient(90deg,#16303a 0 2px,transparent 2px 5px,#16303a 5px 9px,transparent 9px 12px,#16303a 12px 13px,transparent 13px 17px)}.demo-caption{font-size:12px;color:var(--muted);margin:22px 0 0}.page-head{padding:56px 0 30px;background:var(--soft)}.page-head h1{font-size:38px;margin:4px 0 12px}.prose{max-width:800px}.prose img,.prose video{max-width:100%}.prose li{margin:8px 0}.timeline{border-left:2px solid var(--line);padding-left:28px}.release{padding:4px 0 32px;overflow-wrap:anywhere}.release time{font-size:14px;color:var(--muted)}.release p{white-space:pre-wrap}.site-footer{border-top:1px solid var(--line);padding:32px 0;color:var(--muted);font-size:13px;overflow-wrap:anywhere}.footer-links{display:flex;gap:22px;flex-wrap:wrap;margin-bottom:16px}.site-footer p{margin:5px 0}.pending{font-size:12px;color:var(--muted)}@media(max-width:760px){.container{padding:0 20px}.header-inner{display:block;padding-top:18px;padding-bottom:18px}.header-inner nav{gap:13px 20px;margin-top:14px}.hero{padding:44px 0}.hero-grid{grid-template-columns:1fr;gap:36px}.hero h1{font-size:36px}.label-demo{transform:none;padding:24px}.grid{grid-template-columns:1fr}.scene-grid{grid-template-columns:repeat(2,1fr)}.section{padding:40px 0}.page-head h1{font-size:30px}.wordmark{font-size:20px}}