:root{--brand:#0b4f6c;--brand2:#0e7490;--brand3:#0891b2;--accent:#f97316;--ink:#0f172a;--ink2:#334155;--muted:#64748b;--line:#e2e8f0;--bg:#f6f9fc;--card:#fff;--radius:16px;--shadow:0 10px 30px rgba(11,79,108,.08);--shadow2:0 18px 44px rgba(11,79,108,.16)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand2);text-decoration:none}
a:hover{color:var(--brand)}
ul,ol{list-style:none}
.container{width:min(1180px,92%);margin:0 auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15px;border:2px solid transparent;background:linear-gradient(135deg,var(--brand2),var(--brand));color:#fff;cursor:pointer;transition:.25s;box-shadow:0 8px 20px rgba(14,116,144,.25)}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(14,116,144,.32);color:#fff}
.btn.ghost{background:transparent;color:var(--brand);border-color:rgba(11,79,108,.35);box-shadow:none}
.btn.ghost:hover{background:#fff;border-color:var(--brand2);color:var(--brand2)}
.btn.sm{min-height:40px;padding:0 20px;font-size:14px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:rgba(14,116,144,.1);color:var(--brand2);font-size:13px;font-weight:700}
header.site{position:fixed;inset:0 0 auto;z-index:100;transition:.3s;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid rgba(226,232,240,.8)}
header.site.scrolled{background:rgba(8,47,64,.94);border-bottom-color:transparent;box-shadow:0 8px 24px rgba(8,47,64,.24)}
.nav-inner{display:flex;align-items:center;gap:24px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--brand);letter-spacing:.5px}
.logo img{width:34px;height:34px;border-radius:9px}
header.site.scrolled .logo{color:#fff}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-main>li{position:relative}
.nav-main a.nav-link,.nav-main summary.nav-link{display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:10px;color:var(--ink2);font-size:15px;font-weight:600;cursor:pointer;list-style:none}
.nav-main summary.nav-link::-webkit-details-marker{display:none}
.nav-main a.nav-link:hover,.nav-main summary.nav-link:hover{background:rgba(14,116,144,.08);color:var(--brand2)}
header.site.scrolled .nav-main a.nav-link,header.site.scrolled .nav-main summary.nav-link{color:#e2f2f7}
header.site.scrolled .nav-main a.nav-link:hover,header.site.scrolled .nav-main summary.nav-link:hover{background:rgba(255,255,255,.12);color:#fff}
.nav-main summary.nav-link .arw{font-size:10px;transition:transform .25s}
details[open]>summary .arw{transform:rotate(180deg)}
.drop-panel{position:absolute;top:calc(100% + 8px);left:0;min-width:210px;background:#fff;border-radius:14px;box-shadow:0 18px 40px rgba(15,23,42,.16);padding:10px;border:1px solid var(--line);display:grid;gap:2px}
.drop-panel a{display:block;padding:9px 12px;border-radius:9px;font-size:14px;color:var(--ink2);font-weight:600}
.drop-panel a:hover{background:rgba(14,116,144,.08);color:var(--brand2)}
@media(min-width:993px){
  details.nav-drop>.drop-panel{display:none}
  details.nav-drop:hover>.drop-panel{display:grid}
}
.nav-cta{margin-left:12px}
.burger{display:none}
.nav-mobile{display:none}
.hero{position:relative;padding:130px 0 72px;background:radial-gradient(1200px 600px at 80% -10%,#cffafe 0,rgba(207,250,254,0) 60%),radial-gradient(900px 500px at 0 0,#e0f2fe 0,rgba(224,242,254,0) 55%),#f6f9fc;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(30px,4vw,48px);line-height:1.25;letter-spacing:-.5px;color:#072c3d}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand2),var(--brand3));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px;max-width:520px}
.hero-stats b{display:block;font-size:26px;color:var(--brand);line-height:1.2}
.hero-stats span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.demo{background:#fff;border-radius:20px;box-shadow:var(--shadow2);overflow:hidden;border:1px solid rgba(226,232,240,.9)}
.demo-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:linear-gradient(120deg,#0b4f6c,#0e7490);color:#fff;font-size:13px}
.demo-bar i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.45)}
.demo-bar .ttl{margin-left:8px;font-weight:700;letter-spacing:.3px}
.demo-body{padding:16px}
.demo-tabs{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.demo-tabs label{cursor:pointer;font-size:12px;font-weight:700;padding:7px 12px;border-radius:999px;background:#eef6f9;color:var(--brand2);border:1px solid transparent;min-height:32px;display:inline-flex;align-items:center}
.demo-tabs input{position:absolute;opacity:0;pointer-events:none}
.demo-tabs input:checked+label{background:linear-gradient(135deg,var(--brand2),var(--brand));color:#fff;border-color:transparent}
.order-row{display:grid;grid-template-columns:38px 1fr auto;gap:10px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:12px;margin-bottom:8px;background:#fbfdfe;font-size:13px;transition:.2s}
.order-row:hover{border-color:rgba(14,116,144,.4);box-shadow:0 8px 18px rgba(11,79,108,.08)}
.order-row .no{width:38px;height:38px;border-radius:10px;background:#e0f2fe;color:var(--brand2);display:grid;place-items:center;font-weight:800;font-size:12px}
.order-row b{display:block;font-size:13px;color:var(--ink)}
.order-row small{color:var(--muted);font-size:12px}
.chip{font-size:11px;font-weight:800;padding:3px 9px;border-radius:999px;background:#ecfdf5;color:#047857;white-space:nowrap}
.chip.warn{background:#fff7ed;color:#c2410c}
.chip.info{background:#eff6ff;color:#1d4ed8}
.demo-panel{border:1px dashed rgba(14,116,144,.3);border-radius:14px;padding:12px;background:#f0f9ff;font-size:13px;margin-top:10px}
.demo-panel .line{display:flex;justify-content:space-between;gap:10px;padding:5px 0;border-bottom:1px dashed rgba(14,116,144,.18)}
.demo-panel .line:last-child{border-bottom:0}
.demo-actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.demo-actions .btn{min-height:38px;font-size:13px;padding:0 16px}
.demo-note{margin-top:10px;font-size:12px;color:var(--brand2);min-height:18px;font-weight:700}
.sec{padding:78px 0}
.sec.alt{background:#fff}
.sec-head{text-align:center;max-width:760px;margin:0 auto 44px}
.sec-head .tag{margin-bottom:14px}
.sec-head h2{font-size:clamp(24px,3vw,34px);color:#072c3d;letter-spacing:-.4px}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15px}
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 4px 14px rgba(11,79,108,.05);transition:.28s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow2);border-color:rgba(14,116,144,.25)}
.card .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:22px;background:linear-gradient(135deg,#e0f2fe,#cffafe);margin-bottom:14px}
.card h3{font-size:17px;margin-bottom:8px;color:#0b3b4e}
.card p{color:var(--muted);font-size:14px}
.platform-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.platform{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 10px;text-align:center;transition:.25s}
.platform:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(14,116,144,.3)}
.platform b{display:block;font-size:14px;color:#0b3b4e}
.platform span{font-size:12px;color:var(--muted)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:linear-gradient(160deg,#fff,#f0f9ff);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.stat b{display:block;font-size:32px;color:var(--brand2);line-height:1.2}
.stat span{color:var(--muted);font-size:13px}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.flow .step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px}
.flow .step:before{counter-increment:step;content:"0" counter(step);position:absolute;top:14px;right:18px;font-size:26px;font-weight:800;color:rgba(14,116,144,.14)}
.flow .step h3{font-size:16px;margin-bottom:8px;color:#0b3b4e}
.flow .step p{font-size:14px;color:var(--muted)}
.scene{background:#fff;border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;transition:.28s}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}
.scene .top{padding:22px 24px 0}
.scene h3{font-size:16px;color:#0b3b4e;margin-bottom:6px}
.scene p{font-size:14px;color:var(--muted)}
.scene .kv{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0 18px}
.scene .kv span{font-size:12px;background:#f0f9ff;color:var(--brand2);padding:3px 10px;border-radius:999px;font-weight:700}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;display:flex;flex-direction:column;position:relative;transition:.28s}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}
.plan.hot{border:2px solid var(--brand2);box-shadow:var(--shadow2);background:linear-gradient(180deg,#f0fdff,#fff)}
.plan .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--accent),#fb923c);color:#fff;font-size:12px;font-weight:800;padding:4px 14px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:18px;color:#0b3b4e}
.plan .price{font-size:34px;font-weight:800;color:var(--brand);margin:10px 0 2px}
.plan .price small{font-size:13px;color:var(--muted);font-weight:600}
.plan .feat{margin:18px 0 24px;display:grid;gap:9px;font-size:14px;color:var(--ink2)}
.plan .feat li:before{content:"✓";color:var(--brand3);font-weight:800;margin-right:8px}
.plan .btn{margin-top:auto}
.faq{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;transition:.25s}
.faq details[open]{box-shadow:var(--shadow);border-color:rgba(14,116,144,.3)}
.faq summary{font-weight:700;color:#0b3b4e;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:flex-start;min-height:26px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--brand2);font-size:20px;line-height:1;flex:0 0 auto}
.faq details[open] summary:after{content:"−"}
.faq p{margin-top:10px;color:var(--muted);font-size:14px}
.quote{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:24px}
.quote .stars{color:#f59e0b;letter-spacing:2px;font-size:14px}
.quote p{font-size:14px;color:var(--ink2);margin:10px 0 16px}
.quote .who{font-weight:700;color:#0b3b4e;font-size:14px}
.quote .role{font-size:12px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.28s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow2)}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#e2e8f0}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .thumb img{transform:scale(1.05)}
.news-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-card .meta{font-size:12px;color:var(--muted);display:flex;gap:10px;align-items:center}
.news-card h3{font-size:16px;line-height:1.5;color:#0b3b4e}
.news-card h3 a{color:inherit}
.news-card h3 a:hover{color:var(--brand2)}
.news-card p{font-size:13px;color:var(--muted);flex:1}
.bottom-cta{padding:70px 0;background:linear-gradient(120deg,#08303f,#0e7490 70%,#0891b2);color:#fff;text-align:center}
.bottom-cta h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.bottom-cta p{color:#cceef5;max-width:660px;margin:0 auto 26px}
footer.site{background:#062631;color:#b6d4de;padding:56px 0 26px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
footer.site h4{color:#fff;font-size:15px;margin-bottom:14px}
footer.site a{color:#b6d4de;display:block;padding:5px 0}
footer.site a:hover{color:#fff}
.foot-brand .logo{color:#fff}
.foot-brand p{margin-top:12px;line-height:1.9;max-width:320px;font-size:13px}
.foot-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px}
.foot-bottom nav{display:flex;gap:16px;flex-wrap:wrap}
.foot-bottom nav a{padding:0}
.totop{position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:12px;background:var(--brand2);color:#fff;display:none;place-items:center;z-index:90;box-shadow:0 10px 24px rgba(11,79,108,.3)}
.totop.show{display:grid}
main{padding-top:70px}
.page-hero{padding:64px 0 40px;background:radial-gradient(900px 400px at 85% 0,#cffafe 0,rgba(207,250,254,0) 60%),#f6f9fc;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(26px,3.4vw,38px);color:#072c3d;letter-spacing:-.4px}
.page-hero p{margin-top:10px;color:var(--muted);max-width:760px}
.crumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--brand2)}
.prose{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,4vw,46px);box-shadow:0 6px 20px rgba(11,79,108,.05)}
.prose h2{font-size:22px;color:#072c3d;margin:32px 0 12px;padding-left:14px;border-left:4px solid var(--brand3)}
.prose h3{font-size:17px;margin:22px 0 8px;color:#0b3b4e}
.prose p{margin:12px 0;color:var(--ink2);font-size:15.5px}
.prose ul,.prose ol{margin:14px 0 14px 4px;display:grid;gap:8px}
.prose ul li{position:relative;padding-left:20px;color:var(--ink2);font-size:15px}
.prose ul li:before{content:"•";position:absolute;left:4px;color:var(--brand3);font-weight:800}
.prose ol{counter-reset:n}
.prose ol li{position:relative;padding-left:26px;color:var(--ink2);font-size:15px;counter-increment:n}
.prose ol li:before{content:counter(n);position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:50%;background:#e0f2fe;color:var(--brand2);font-size:11px;font-weight:800;display:grid;place-items:center}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start;padding:34px 0 70px}
.article-head{margin-bottom:20px}
.article-head .kicker{display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--muted);margin-bottom:12px}
.article-head h1{font-size:clamp(24px,3vw,32px);line-height:1.35;color:#072c3d;letter-spacing:-.3px}
.article-head .dek{margin-top:12px;color:var(--muted);font-size:15px}
.cover{border-radius:var(--radius);overflow:hidden;margin:22px 0;border:1px solid var(--line)}
.cover img{width:100%;height:auto}
.byline{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--muted);padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:8px;flex-wrap:wrap}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand2),var(--brand));color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px}
.databox{background:#f0f9ff;border:1px solid #bae6fd;border-radius:14px;padding:18px 20px;margin:22px 0}
.databox b{display:block;color:var(--brand);margin-bottom:8px;font-size:15px}
.databox .row{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px dashed rgba(14,116,144,.2);font-size:14px;color:var(--ink2)}
.databox .row:last-child{border-bottom:0}
.databox .row span:last-child{font-weight:800;color:var(--brand2);white-space:nowrap}
blockquote.pull{border-left:4px solid var(--accent);background:#fff7ed;border-radius:0 12px 12px 0;padding:16px 20px;margin:22px 0;color:#7c2d12;font-size:15px}
blockquote.pull cite{display:block;margin-top:8px;font-style:normal;font-size:13px;color:#9a3412;font-weight:700}
.side{position:sticky;top:88px;display:grid;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 4px 14px rgba(11,79,108,.05)}
.side-card h3{font-size:15px;color:#072c3d;padding-left:10px;border-left:3px solid var(--brand3);margin-bottom:12px}
.toc{position:relative;padding-left:18px;display:grid;gap:10px}
.toc:before{content:"";position:absolute;left:4px;top:4px;bottom:4px;width:2px;background:var(--line)}
.toc li{position:relative;font-size:13px;line-height:1.5}
.toc li:before{content:"";position:absolute;left:-18px;top:7px;width:8px;height:8px;border-radius:50%;background:#cbd5e1;border:2px solid #fff;box-shadow:0 0 0 1px #cbd5e1}
.toc li.active:before{background:var(--brand2);box-shadow:0 0 0 1px var(--brand2)}
.toc a{color:var(--ink2)}
.toc li.active a{color:var(--brand2);font-weight:800}
.hot li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px dashed var(--line);font-size:13px}
.hot li:last-child{border-bottom:0}
.hot .num{flex:0 0 22px;height:22px;border-radius:7px;background:#e2e8f0;color:#475569;font-size:12px;font-weight:800;display:grid;place-items:center;transition:.2s}
.hot li:nth-child(1) .num{background:linear-gradient(135deg,#0e7490,#0b4f6c);color:#fff}
.hot li:nth-child(2) .num{background:linear-gradient(135deg,#f97316,#fb923c);color:#fff}
.hot li:nth-child(3) .num{background:linear-gradient(135deg,#d97706,#fbbf24);color:#fff}
.hot li:hover .num{transform:scale(1.12)}
.hot a{color:var(--ink2);line-height:1.5}
.hot li:hover a{color:var(--brand2)}
.cats{display:flex;flex-wrap:wrap;gap:8px}
.cats a{font-size:12px;padding:5px 11px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:#f8fafc;font-weight:600}
.cats a:hover{border-color:var(--brand2);color:var(--brand2);background:#f0f9ff}
.comments{margin-top:30px}
.comments h2{font-size:19px;color:#072c3d;margin-bottom:14px}
.cmt{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.cmt:last-child{border-bottom:0}
.cmt .avatar{width:40px;height:40px;font-size:16px;flex:0 0 40px}
.cmt .who{font-weight:700;color:#0b3b4e;font-size:14px}
.cmt .date{font-size:12px;color:var(--muted);margin-left:8px;font-weight:400}
.cmt p{font-size:14px;color:var(--ink2);margin-top:2px}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0}
.prevnext a{display:block;padding:14px 18px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:14px;color:var(--ink2);font-weight:600}
.prevnext a:hover{border-color:var(--brand2);color:var(--brand2);box-shadow:var(--shadow)}
.prevnext small{display:block;color:var(--muted);font-size:12px;font-weight:500}
.prevnext .next{text-align:right}
.related{margin-top:10px}
.related .news-grid{grid-template-columns:repeat(3,1fr)}
.dl-hero{padding:56px 0 40px;background:radial-gradient(800px 380px at 90% 0,#cffafe 0,rgba(207,250,254,0) 60%),#f6f9fc;border-bottom:1px solid var(--line)}
.dl-hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.dl-hero h1{font-size:clamp(26px,3.4vw,40px);color:#072c3d;line-height:1.3}
.dl-hero .lead{margin:14px 0 20px;color:var(--muted)}
.dl-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px;max-width:480px}
.dl-meta div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.dl-meta b{display:block;color:var(--brand);font-size:15px}
.dl-meta span{font-size:12px;color:var(--muted)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#f0f9ff;color:#0b3b4e;font-weight:800;font-size:13px}
tr:last-child td{border-bottom:0}
.sysreq{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sysreq div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:14px;color:var(--ink2)}
.sysreq b{display:block;font-size:12px;color:var(--muted);margin-bottom:4px;font-weight:700}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.map-grid .card h3{font-size:15px;margin-bottom:10px}
.map-grid .card ul{display:grid;gap:6px}
.map-grid .card a{font-size:13px;color:var(--muted)}
.map-grid .card a:hover{color:var(--brand2)}
.err-wrap{min-height:70vh;display:grid;place-items:center;text-align:center;padding:80px 0}
.err-wrap .code{font-size:clamp(70px,16vw,150px);font-weight:900;line-height:1;background:linear-gradient(120deg,var(--brand2),var(--brand3));-webkit-background-clip:text;background-clip:text;color:transparent}
.err-wrap h1{margin:12px 0;color:#072c3d;font-size:26px}
.err-wrap p{color:var(--muted);margin-bottom:22px}
.note{background:#fff7ed;border:1px solid #fed7aa;border-radius:12px;padding:14px 18px;color:#9a3412;font-size:13px;margin:18px 0}
html.js .reveal{opacity:0;transform:translateY(22px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
@media(max-width:992px){
  .hero-grid,.dl-hero .wrap{grid-template-columns:1fr;gap:34px}
  .hero{padding:110px 0 56px}
  .g3,.news-grid,.related .news-grid,.platform-grid,.flow,.price-grid,.g4,.stat-grid,.map-grid,.sysreq,.foot-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:1fr}
  .side{position:static;grid-template-columns:1fr 1fr;display:grid}
  .side-card:first-child{grid-column:1/-1}
  .nav-main,.nav-cta{display:none}
  .nav-mobile{display:block;margin-left:auto}
  .nav-mobile summary{list-style:none;width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:rgba(14,116,144,.08);cursor:pointer;font-size:20px;color:var(--brand)}
  .nav-mobile summary::-webkit-details-marker{display:none}
  .m-panel{position:absolute;left:0;right:0;top:70px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(15,23,42,.14);padding:16px 4%;display:grid;gap:4px;max-height:calc(100vh - 80px);overflow:auto}
  .m-panel .m-group{font-size:12px;font-weight:800;color:var(--muted);margin:10px 0 2px;letter-spacing:1px}
  .m-panel a{display:block;padding:11px 10px;border-radius:10px;color:var(--ink2);font-weight:600;font-size:15px}
  .m-panel a:hover{background:#f0f9ff;color:var(--brand2)}
  .m-panel .btn{margin-top:12px;width:100%}
  header.site.scrolled .nav-mobile summary{background:rgba(255,255,255,.14);color:#fff}
}
@media(max-width:768px){
  body{font-size:15px}
  .sec{padding:54px 0}
  .g3,.g4,.news-grid,.related .news-grid,.flow,.price-grid,.stat-grid,.sysreq,.map-grid,.platform-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .hero-stats b{font-size:20px}
  .side{grid-template-columns:1fr}
  .prevnext{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
  .article-layout{padding:24px 0 50px}
}
@media(max-width:480px){
  .hero{padding:96px 0 40px}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr;gap:12px}
  .btn{min-height:48px}
  .hero-stats b{font-size:22px}
  .card,.plan{padding:20px}
  .prose{padding:18px 14px}
  .foot-grid{grid-template-columns:1fr}
  .demo-body{padding:12px}
}
.demo-detail{display:none}
#o1:checked~.details .d1,#o2:checked~.details .d2,#o3:checked~.details .d3{display:block}
#o1:checked~.order-list label[for=o1],#o2:checked~.order-list label[for=o2],#o3:checked~.order-list label[for=o3]{border-color:var(--brand2);background:#f0f9ff;box-shadow:0 8px 18px rgba(11,79,108,.1)}
.chk{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.demo-note.msg{display:none;color:#047857}
#demo-approve:checked+.msg{display:block}
#demo-print:checked+.msg{display:block;color:#c2410c}
main.flat{padding-top:0}