:root{--ink:#07192f;--muted:#52667d;--line:#d9e3ee;--brand:#11b9d8;--brand-dark:#07829b;--paper:#ffffff;--soft:#f4f8fc}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Arial,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:10;justify-content:space-between;gap:24px;padding:16px 7vw;background:#0c1f33;color:#fff}.brand,.nav{display:flex;align-items:center}.brand{gap:12px;font-weight:800}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:8px;background:var(--brand);color:#001625}.nav-links{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:700}.nav-cta{padding:12px 18px;border-radius:8px;background:var(--brand);color:#001625}.hero{min-height:680px;display:grid;align-items:center;padding:92px 7vw;color:#fff;background:linear-gradient(90deg,rgba(5,22,43,.9),rgba(5,22,43,.62),rgba(5,22,43,.18)),url(/assets/desktop.png) 50% /cover no-repeat}.hero-content{max-width:760px}.badge{display:inline-flex;padding:8px 12px;border:1px solid rgba(255,255,255,.35);border-radius:999px;color:#b7f3ff}h1{margin:20px 0 18px;font-size:clamp(44px,6vw,78px);line-height:1.05}h1,h2{letter-spacing:0}h2{margin:0 0 14px;font-size:38px;line-height:1.18}h3{margin:0 0 10px;font-size:20px;line-height:1.3}p{line-height:1.75}.hero p{max-width:680px;font-size:19px;color:#d6e7f7}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border:1px solid var(--line);border-radius:8px;background:#fff;font-weight:800}.btn.primary{background:var(--brand);border-color:var(--brand);color:#001625}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px;margin-top:38px}.stat{padding:14px;border:1px solid rgba(255,255,255,.25);border-radius:8px;background:rgba(255,255,255,.08);color:#eaf8ff}.section{padding:86px 7vw;background:var(--soft)}.section.white{background:#fff}.section-desc{max-width:820px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:18px;gap:18px;margin-top:34px}.card{padding:24px;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 12px 36px rgba(7,25,47,.06)}.card p{color:var(--muted);margin-bottom:0}.hardware{display:grid;grid-template-columns:1fr 1fr;align-items:center;grid-gap:48px;gap:48px}.hardware img{width:100%;border-radius:8px;border:1px solid var(--line)}.solutions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:14px;gap:14px;margin-top:28px}.solution{padding:18px;border-left:4px solid var(--brand);background:#fff;border-radius:8px;font-weight:700}.flow-row,.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.flow-row span,.tag-row span{padding:10px 13px;border-radius:999px;background:#e7f8fb;border:1px solid #b8eaf2;color:#075d70;font-weight:700}.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:18px;gap:18px;margin-top:30px}.article-meta,.news-grid time{display:block;color:var(--brand-dark);font-weight:800;margin-bottom:10px}.article-page{background:#fff;max-width:980px;margin:0 auto}.article-page h1{color:var(--ink);font-size:48px}.article-page p{font-size:18px}.footer{padding:36px 7vw;background:#09182b;color:#c9d7e8}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-gap:28px;gap:28px}.footer a,.footer p,.footer span{display:block;margin:8px 0 0;color:#98aabe}@media (max-width:900px){.nav{align-items:flex-start;flex-direction:column}.nav-links{flex-wrap:wrap;gap:12px}.hero{min-height:auto;padding-top:70px}.footer-grid,.grid,.hardware,.news-grid,.solutions,.stats{grid-template-columns:1fr}}