:root{--bg:#f4f6fa;--card:#fff;--ink:#152033;--ink-2:#4a5670;--ink-3:#7c869c;--brand:#1b3a6b;--brand-2:#2456a6;--accent:#e8621a;--accent-soft:#fdeee2;--line:#e3e8f2;--radius:10px;--shadow:0 2px 12px rgba(21,32,51,.07);--maxw:1200px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.topbar{background:var(--brand);color:#cdd9ee;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:600}
.topbar .tel{display:inline-flex;align-items:center;gap:6px}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:0 1px 6px rgba(21,32,51,.05)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:12px;padding-bottom:12px}
.logo{display:flex;align-items:center;gap:12px}
.logo:hover{text-decoration:none}
.logo .mark{width:52px;height:52px;flex:none;object-fit:contain;background:#fff;border-radius:6px}
.logo .name{display:block;font-size:18px;font-weight:700;color:var(--brand);line-height:1.25}
.logo .sub{display:block;font-size:10.5px;color:var(--ink-3);letter-spacing:.04em}
.main-nav{display:flex;gap:4px;flex-wrap:wrap}
.main-nav a{color:var(--ink-2);font-size:15px;padding:8px 13px;border-radius:6px}
.main-nav a:hover{background:var(--bg);color:var(--brand);text-decoration:none}
.main-nav a.on{color:var(--brand);font-weight:700;background:#eaf1fd}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:6px;padding:8px 12px;font-size:15px;color:var(--brand);cursor:pointer}
.crumbs{background:#fff;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--ink-3)}
.crumbs .wrap{padding-top:10px;padding-bottom:10px}
.crumbs span{margin:0 4px;color:#b3bccd}
.page-title{font-size:30px;color:var(--brand);margin-bottom:14px}
.page-lead{color:var(--ink-3);font-size:15.5px;margin-bottom:30px;max-width:46em}
.hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(70,130,220,.28),transparent 60%),linear-gradient(120deg,#101f3c 0%,#1b3a6b 55%,#2456a6 100%);color:#fff}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-top:60px;padding-bottom:60px}
.hero .tag{display:inline-block;background:rgba(232,98,26,.16);border:1px solid rgba(232,98,26,.55);color:#ffb27e;font-size:13px;padding:5px 14px;border-radius:999px;margin-bottom:18px;letter-spacing:.05em}
.hero h1{font-size:36px;line-height:1.3;font-weight:700;margin-bottom:16px}
.hero h1 .hl{color:#ffb27e}
.hero p.lead{font-size:16px;color:#c8d6ee;max-width:34em;margin-bottom:28px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-figure{display:flex;justify-content:center}
.hero-figure img{width:100%;max-width:440px;border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.35);aspect-ratio:1/1;object-fit:cover}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.14)}
.hero-stats .cell{padding:22px 10px;text-align:center}
.hero-stats .num{font-size:24px;font-weight:700;color:#ffb27e}
.hero-stats .lab{font-size:13px;color:#c8d6ee;margin-top:4px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:8px;font-size:16px;font-weight:600;border:1px solid transparent}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#d1540f;text-decoration:none}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);text-decoration:none}
section{padding:56px 0}
.sec-head{text-align:center;margin-bottom:40px}
.sec-head .en{font-size:13px;letter-spacing:.22em;color:var(--accent);font-weight:700;text-transform:uppercase}
.sec-head h2{font-size:28px;color:var(--brand);margin-top:6px}
.sec-head .desc{color:var(--ink-3);margin-top:10px;font-size:15px}
.products{background:#fff}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.prod-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(21,32,51,.12)}
.prod-card .thumb{display:block;background:#eef3fb;aspect-ratio:1/1;overflow:hidden}
.prod-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.prod-card:hover .thumb img{transform:scale(1.05)}
.prod-card .body{padding:18px 20px 22px}
.prod-card h3{font-size:17px;color:var(--ink);margin-bottom:8px}
.prod-card h3 a{color:var(--ink)}
.prod-card p{font-size:14px;color:var(--ink-2)}
.tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.tags span{font-size:12px;color:var(--brand-2);background:#eaf1fd;border-radius:4px;padding:2px 8px}
.tags-lg span{font-size:13px;padding:4px 12px}
.about .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.about h1,.about h2{font-size:28px;color:var(--brand);margin-bottom:18px}
.about p{color:var(--ink-2);margin-bottom:14px;font-size:15.5px}
.about .points{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.about .points li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 14px;font-size:14px;color:var(--ink-2);display:flex;gap:10px;align-items:flex-start}
.about .points li b{color:var(--brand)}
.about .points .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;margin-top:8px}
.about-figure{border-radius:14px;overflow:hidden;box-shadow:0 16px 40px rgba(16,31,60,.18)}
.about-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery-sec{background:#fff}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery figure{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery figcaption{padding:10px 14px;font-size:13.5px;color:var(--ink-2);text-align:center}
.gallery-prod{grid-template-columns:repeat(3,1fr);margin:24px 0}
.gallery-prod .g-item{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.gallery-prod img{width:100%;aspect-ratio:1/1;object-fit:cover}
.apps{background:#fff}
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.app-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;background:var(--card);text-align:center}
.app-card .icon{width:56px;height:56px;margin:0 auto 14px;border-radius:14px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center}
.app-card .icon svg{width:30px;height:30px}
.app-card h3{font-size:16px;color:var(--brand);margin-bottom:6px}
.app-card p{font-size:13px;color:var(--ink-3)}
.news{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);padding:24px;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.news-card .date,.news-row .date{font-size:12px;color:var(--ink-3);letter-spacing:.05em}
.news-card h3{font-size:16.5px;margin:10px 0;line-height:1.5}
.news-card h3 a,.news-row h2 a{color:var(--ink)}
.news-card p,.news-row p{font-size:14px;color:var(--ink-2)}
.news-card .more,.news-row .more{margin-top:auto;padding-top:14px;font-size:14px;font-weight:600}
.news-list{display:flex;flex-direction:column;gap:18px}
.news-row{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:26px;box-shadow:var(--shadow)}
.news-row h2{font-size:19px;margin:8px 0 10px}
.article h1{font-size:28px;color:var(--brand);line-height:1.4;margin-bottom:10px}
.article-meta{color:var(--ink-3);font-size:13.5px;margin-bottom:26px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.article p{margin-bottom:16px;color:var(--ink-2);font-size:16px}
.related{margin-top:34px;border-top:1px solid var(--line);padding-top:22px}
.related h2{font-size:17px;color:var(--brand);margin-bottom:12px}
.related ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.notice{background:#fff8f2;border:1px solid #f6ddc8;border-left:4px solid var(--accent);border-radius:8px;padding:20px 22px;margin:26px 0}
.notice p{color:var(--ink-2);font-size:15px;margin-bottom:8px}
.notice ul{margin:8px 0 0 22px;color:var(--ink-2);font-size:15px}
.notice li{margin-bottom:6px}
.cat-layout{display:grid;grid-template-columns:250px 1fr;gap:36px;align-items:start}
.cat-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:sticky;top:96px}
.cat-side h2{font-size:16px;color:var(--brand);margin-bottom:14px}
.cat-side nav{display:flex;flex-direction:column;gap:4px}
.cat-side nav a{padding:9px 12px;border-radius:6px;color:var(--ink-2);font-size:14.5px}
.cat-side nav a:hover{background:var(--bg);text-decoration:none}
.cat-side nav a.on{background:#eaf1fd;color:var(--brand);font-weight:700}
.side-cta{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
.side-cta p{font-size:13.5px;color:var(--ink-3);margin-bottom:10px}
.side-cta .btn{width:100%;justify-content:center;padding:10px 14px;font-size:14.5px}
.rec-title{font-size:19px;color:var(--brand);margin:34px 0 18px}
.contact{background:linear-gradient(120deg,#101f3c,#1b3a6b);color:#fff}
.contact .sec-head h2{color:#fff}
.contact .sec-head .desc{color:#b9c8e2}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.contact-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:26px 24px}
.contact-card .icon{width:44px;height:44px;border-radius:10px;background:rgba(232,98,26,.2);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.contact-card .icon svg{width:24px;height:24px}
.contact-card h3{font-size:15px;color:#ffb27e;margin-bottom:8px}
.contact-card p,.contact-card a{font-size:16.5px;color:#fff;font-weight:600}
.contact-card a:hover{color:#ffd9bd}
.contact-card small{display:block;font-size:13px;color:#b9c8e2;font-weight:400;margin-top:4px}
.site-footer{background:#0b1526;color:#8fa0c0;font-size:13.5px;padding:34px 0}
.site-footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr;padding-top:46px;padding-bottom:46px}
  .hero-figure{order:-1}.hero-figure img{max-width:300px}
  .hero h1{font-size:29px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .prod-grid,.gallery,.gallery-prod{grid-template-columns:repeat(2,1fr)}
  .about .wrap{grid-template-columns:1fr}
  .app-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid,.contact-grid{grid-template-columns:1fr}
  .cat-layout{grid-template-columns:1fr}
  .cat-side{position:static}
}
@media (max-width:640px){
  section{padding:42px 0}
  .prod-grid,.app-grid,.about .points,.gallery,.gallery-prod{grid-template-columns:1fr}
  .prod-grid[style]{grid-template-columns:1fr!important}
  .main-nav{display:none;width:100%;flex-direction:column;padding-bottom:8px}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .site-header .wrap{flex-wrap:wrap}
  .logo .name{font-size:16px}
  .hero h1{font-size:24px}
  .btn{width:100%;justify-content:center}
  .page-title{font-size:24px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{
  .topbar,.site-header,.crumbs,.cat-side,.hero .actions,.more,.related,.nav-toggle{display:none}
  .hero,.contact{background:#fff;color:#000}
  .hero h1,.hero p.lead,.hero-stats .num,.hero-stats .lab,.contact-card p,.contact-card a,.contact-card small,.contact .sec-head h2,.contact-card h3,.contact .page-title,.contact .page-lead{color:#000}
  section{padding:18px 0}
  .prod-card,.news-card,.contact-card,.app-card,.news-row,figure{box-shadow:none;break-inside:avoid}
}