:root{--black:#080b10;--panel:#121821;--panel2:#1b2430;--gray:#8b96a3;--line:#263140;--orange:#ff7a1a;--blue:#0d3a68;--silver:#d6dde6;--white:#f8fbff;--muted:#b7c0ca;}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei",Arial,sans-serif;background:radial-gradient(circle at 20% 0%,#1b2838 0,#080b10 38%,#05070a 100%);color:var(--white);line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,92%);margin:0 auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(8,11,16,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand,.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px}.brand-mark{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--orange),#ffb168);color:#111;box-shadow:0 0 22px rgba(255,122,26,.35)}.main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.nav-link{padding:9px 13px;border-radius:999px;color:var(--muted);font-size:14px}.nav-link:hover,.nav-link.active{background:#182332;color:#fff}.menu-toggle{display:none;background:#17202b;color:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 12px}.hero{position:relative;overflow:hidden;padding:82px 0 62px;border-bottom:1px solid var(--line)}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(255,122,26,.12),transparent 40%),url('/assets/images/hero-camera.svg') right center/52% auto no-repeat;opacity:.95}.hero .container{position:relative}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:#ffd0ad;background:rgba(255,122,26,.12);border:1px solid rgba(255,122,26,.28);padding:6px 12px;border-radius:999px;font-size:14px}.hero h1,.page-hero h1{font-size:clamp(34px,5vw,62px);line-height:1.12;margin:18px 0}.hero p,.page-hero p,.section-intro{color:var(--muted);font-size:18px;max-width:760px}.hero-actions,.section-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;font-weight:700;border:1px solid transparent}.btn-primary{background:var(--orange);color:#111}.btn-secondary{background:#0d3a68;color:#fff;border-color:#1e5b95}.btn-ghost{border-color:var(--line);color:#fff;background:#111821}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:32px}.metric{background:rgba(18,24,33,.82);border:1px solid var(--line);border-radius:18px;padding:18px}.metric b{display:block;font-size:22px;color:#fff}.device-panel{background:linear-gradient(160deg,rgba(27,36,48,.92),rgba(10,14,20,.92));border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:0 22px 60px rgba(0,0,0,.36)}.device-panel img{border-radius:20px}.panel-lines{display:grid;gap:10px;margin-top:18px}.panel-lines span{height:10px;border-radius:999px;background:linear-gradient(90deg,var(--orange),#3a4654)}.section{padding:76px 0}.section-head{display:flex;justify-content:space-between;gap:26px;align-items:end;margin-bottom:30px}.section-head h2,.page-section h2{font-size:clamp(26px,3vw,42px);line-height:1.2;margin:0}.section-head p{max-width:620px;color:var(--muted);margin:8px 0 0}.grid{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:linear-gradient(180deg,rgba(27,36,48,.96),rgba(14,19,27,.96));border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 12px 30px rgba(0,0,0,.18)}.card h3{margin:12px 0 8px;font-size:20px}.card p,.card li{color:var(--muted)}.card ul{padding-left:18px;margin:10px 0 0}.icon-img{height:120px;width:100%;object-fit:contain;background:#0c1119;border:1px solid #202b38;border-radius:16px;padding:10px}.video-card{position:relative;overflow:hidden;padding:0}.video-card img{width:100%;height:220px;object-fit:cover;background:#101721}.video-body{padding:20px}.play{position:absolute;left:22px;top:158px;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--orange);color:#111;font-weight:900;box-shadow:0 0 26px rgba(255,122,26,.42)}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.tag{font-size:13px;color:#dfe8f2;background:#182333;border:1px solid #29384a;border-radius:999px;padding:5px 10px}.steps{counter-reset:step}.step{position:relative;padding-left:72px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:22px;top:24px;width:36px;height:36px;border-radius:50%;background:var(--orange);color:#111;font-weight:800;display:grid;place-items:center}.dark-band{background:linear-gradient(135deg,#111821,#07101c);border-block:1px solid var(--line)}.quote{font-style:normal}.quote strong{display:block;margin-top:14px;color:#fff}.faq details{background:#111821;border:1px solid var(--line);border-radius:16px;padding:18px}.faq summary{cursor:pointer;font-weight:800}.faq p{color:var(--muted)}.form{display:grid;gap:14px}.form input,.form select,.form textarea{width:100%;border:1px solid #2c3949;border-radius:14px;background:#0d131c;color:#fff;padding:13px 14px;font:inherit}.form textarea{min-height:128px}.page-hero{padding:66px 0 46px;background:linear-gradient(120deg,rgba(255,122,26,.08),rgba(13,58,104,.16));border-bottom:1px solid var(--line)}.page-section{padding:62px 0}.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.list-check{list-style:none;padding:0;margin:0;display:grid;gap:12px}.list-check li{background:#111821;border:1px solid var(--line);border-radius:14px;padding:13px 15px;color:var(--muted)}.list-check li:before{content:"✓";color:var(--orange);font-weight:900;margin-right:8px}.site-footer{background:#05070a;border-top:1px solid var(--line);padding:46px 0 20px;color:var(--muted)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}.site-footer h3{color:#fff;margin-top:0}.site-footer a{display:block;margin:8px 0;color:var(--muted)}.footer-bottom{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;font-size:14px}.notice{background:rgba(255,122,26,.1);border:1px solid rgba(255,122,26,.28);border-radius:16px;padding:16px;color:#ffd9bf}.article-list{display:grid;gap:16px}.article{display:grid;grid-template-columns:160px 1fr;gap:18px;align-items:center;background:#111821;border:1px solid var(--line);border-radius:18px;padding:16px}.article img{height:110px;width:160px;object-fit:cover;border-radius:12px}.mini{font-size:14px;color:#8fa1b5}.contact-box{background:linear-gradient(135deg,#142033,#0b111b);border:1px solid var(--line);border-radius:24px;padding:28px}
@media(max-width:900px){.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:4%;right:4%;top:72px;background:#0b1018;border:1px solid var(--line);border-radius:18px;padding:12px}.main-nav.open{display:grid}.hero-grid,.split,.grid-2,.grid-3,.grid-4,.footer-grid{grid-template-columns:1fr}.hero:before{background:linear-gradient(110deg,rgba(255,122,26,.16),transparent 55%)}.metrics{grid-template-columns:1fr}.section-head{display:block}.article{grid-template-columns:1fr}.article img{width:100%;height:170px}.section{padding:54px 0}.hero{padding:58px 0 46px}}