:root{--brand:#1a53ff;--brand-d:#0a2f8f;--brand-l:#e8eeff;--teal:#00c9a7;--ink:#0d1b3e;--muted:#5b6b8c;--bg:#f5f7fc;--card:#fff;--line:#e4eaf6;--shadow:0 10px 30px rgba(16,40,95,.08);--shadow-h:0 18px 40px rgba(16,40,95,.16);--r:18px;--max:1200px}
*{margin:0;padding:0;box-sizing:border-box}
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:1.7;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;letter-spacing:.2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.sr-only{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;padding:14px 30px;border-radius:999px;font-weight:600;font-size:16px;border:2px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;min-height:48px}
.btn-p{background:linear-gradient(135deg,#1a53ff,#0a2f8f);color:#fff;box-shadow:0 10px 24px rgba(26,83,255,.28)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(26,83,255,.36)}
.btn-p:active{transform:translateY(0) scale(.98)}
.btn-o{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-o:hover{background:var(--brand-l);transform:translateY(-2px)}
.btn-o:active{transform:translateY(0) scale(.98)}
.btn-sm{padding:9px 20px;font-size:14px;min-height:40px}
.sec{padding:88px 0}
.sec-alt{background:#fff}
.sec-head{max-width:760px;margin:0 auto 48px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand);background:var(--brand-l);padding:6px 14px;border-radius:999px;margin-bottom:16px;text-transform:uppercase}
.sec-head h2{font-size:34px;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:17px}
.grid{display:grid;gap:24px}
.g4,.g3,.g2{display:grid;gap:24px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-h);border-color:#cfdbf8}
.card .ico{font-size:30px;line-height:1;margin-bottom:14px;display:block}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.tag{display:inline-block;font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-l);padding:3px 10px;border-radius:999px}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid rgba(228,234,246,.9);transition:background .3s,box-shadow .3s}
.nav.scrolled{background:rgba(9,24,58,.94);box-shadow:0 6px 24px rgba(0,0,0,.18);border-bottom-color:transparent}
.nav-in{max-width:var(--max);margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink);flex-shrink:0}
.brand img{width:132px;height:auto}
.nav.scrolled .brand{filter:brightness(0) invert(1)}
.nav-toggle{display:none}
.nav-burger{display:none;cursor:pointer;padding:10px;border-radius:10px;margin-left:auto}
.nav-burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.25s}
.nav.scrolled .nav-burger span{background:#fff}
.menu{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:5px;padding:10px 14px;font-size:15px;font-weight:600;border-radius:10px;cursor:pointer;color:var(--ink);white-space:nowrap;transition:color .2s,background .2s}
.nav-link:hover{color:var(--brand);background:var(--brand-l)}
.nav.scrolled .nav-link{color:#eaf0ff}
.nav.scrolled .nav-link:hover{color:#fff;background:rgba(255,255,255,.12)}
.caret{display:inline-block;font-size:10px;transition:transform .25s}
.has-sub:hover .caret{transform:rotate(180deg)}
.sub-toggle{display:none}
.submenu{position:absolute;top:calc(100% + 8px);left:0;min-width:232px;background:#fff;border-radius:14px;box-shadow:0 18px 44px rgba(16,40,95,.18);padding:10px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.22s;border:1px solid var(--line)}
.has-sub:hover .submenu,.sub-toggle:checked~.submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{display:block;padding:9px 14px;border-radius:9px;font-size:14.5px;color:#31405f;font-weight:500}
.submenu a:hover{background:var(--brand-l);color:var(--brand)}
.nav-cta{margin-left:auto;flex-shrink:0}
.hero{position:relative;padding:132px 0 80px;background:radial-gradient(1100px 520px at 78% 6%,#dfe8ff 0%,transparent 62%),radial-gradient(900px 460px at 8% 92%,#e2fbf5 0%,transparent 58%),linear-gradient(180deg,#f7f9ff,#f5f7fc)}
.hero-in{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero h1{font-size:46px;font-weight:800;line-height:1.22;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero .lead{font-size:18px;color:var(--muted);margin-bottom:28px;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap}
.hero-stats div span{display:block;font-size:26px;font-weight:800;color:var(--brand-d)}
.hero-stats div small{color:var(--muted);font-size:13.5px}
.demo{background:#fff;border-radius:22px;box-shadow:0 28px 60px rgba(16,40,95,.16);border:1px solid #e2e9f9;overflow:hidden}
.demo-bar{display:flex;align-items:center;gap:7px;padding:13px 18px;border-bottom:1px solid var(--line);background:#fafbff}
.demo-bar i{width:10px;height:10px;border-radius:50%;background:#dbe3f5;display:block}
.demo-bar i:first-child{background:#ff6b6b}.demo-bar i:nth-child(2){background:#ffc93c}.demo-bar i:nth-child(3){background:#2ecc71}
.demo-bar strong{margin-left:8px;font-size:12.5px;color:#7b89a8;font-weight:600;letter-spacing:.4px}
.demo-body{padding:16px}
.demo-tabs{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.demo-tabs input{display:none}
.demo-tabs label{padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;color:#6b7b9c;background:#f1f5fd;cursor:pointer;border:1px solid transparent;transition:.2s}
.demo-tabs input:checked+label{background:var(--brand);color:#fff;border-color:var(--brand)}
.demo-meta{display:flex;justify-content:space-between;font-size:12px;color:#8a97b3;padding:6px 2px 10px}
.demo-table{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.demo-row{display:grid;grid-template-columns:1.5fr 1fr .8fr .9fr;gap:6px;padding:9px 12px;font-size:12.5px;align-items:center;border-bottom:1px solid #eef2fb}
.demo-row:last-child{border-bottom:0}
.demo-row.head{background:#f6f9ff;color:#8492b0;font-weight:700;font-size:11.5px;letter-spacing:.4px}
.demo-row b{font-weight:700;color:var(--ink)}
.demo-row .st{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;display:inline-block}
.st-ok{background:#e6fbf3;color:#0a9e74}
.st-wait{background:#fff6e2;color:#b7791f}
.st-run{background:#e8eeff;color:var(--brand)}
.demo-sync{display:flex;align-items:center;justify-content:space-between;margin-top:14px;gap:10px}
.demo-sync label{background:linear-gradient(135deg,#1a53ff,#0a2f8f);color:#fff;font-size:13.5px;font-weight:700;padding:10px 20px;border-radius:999px;cursor:pointer;box-shadow:0 8px 18px rgba(26,83,255,.26);transition:.2s}
.demo-sync label:active{transform:scale(.97)}
.demo-sync small{color:#8a97b3;font-size:12px}
.sync-chk{display:none}
.sync-note{display:none;margin-top:12px;background:#e9fbf5;border:1px solid #b9f0dd;color:#0a8a66;font-size:12.5px;padding:9px 12px;border-radius:10px}
.sync-chk:checked~.sync-note{display:block}
.sync-note.show{display:block}
.stats-band{background:linear-gradient(120deg,#0a2f8f,#1a53ff 62%,#2b7cff);color:#fff;padding:54px 0}
.stats-band .g4{gap:20px}
.stats-band .it{text-align:center;padding:8px}
.stats-band .it b{display:block;font-size:38px;font-weight:800;letter-spacing:-.5px}
.stats-band .it span{font-size:14px;opacity:.86}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.flow .step{background:#fff;border-radius:16px;padding:22px;border:1px solid var(--line);position:relative}
.flow .step b{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--brand-l);color:var(--brand);font-size:14px;margin-bottom:12px}
.flow .step h3{font-size:16px;margin-bottom:8px}
.flow .step p{font-size:13.5px;color:var(--muted)}
.scn{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:.25s}
.scn:hover{transform:translateY(-5px);box-shadow:var(--shadow-h);border-color:#cfdbf8}
.scn .ico{font-size:26px}
.scn h3{font-size:17px;margin:10px 0 8px}
.scn p{font-size:14px;color:var(--muted)}
.plat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.plat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 10px;text-align:center;font-size:13.5px;font-weight:600;color:#42527a;transition:.22s}
.plat:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow)}
.plat em{display:block;font-size:20px;margin-bottom:6px;font-style:normal}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 26px;display:flex;flex-direction:column;transition:.25s;position:relative}
.price:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.price.hot{border:2px solid var(--brand);box-shadow:0 20px 44px rgba(26,83,255,.18);transform:translateY(-10px)}
.price .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#1a53ff,#0a2f8f);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px;white-space:nowrap}
.price h3{font-size:18px;margin-bottom:6px}
.price .amt{font-size:36px;font-weight:800;color:var(--brand-d);margin:10px 0 4px}
.price .amt small{font-size:14px;font-weight:600;color:var(--muted)}
.price .sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.price ul{margin:0 0 22px;display:grid;gap:10px;font-size:14px;color:#40506f}
.price ul li{padding-left:24px;position:relative}
.price ul li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.price .btn{margin-top:auto}
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 52px 18px 22px;font-weight:700;font-size:16.5px;position:relative;min-height:56px;display:flex;align-items:center;transition:background .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--brand);font-weight:400;transition:transform .25s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item[open] summary{background:#f7faff}
.faq-a{padding:0 22px 20px;color:var(--muted);font-size:15px}
.faq-a p+p{margin-top:10px}
.tst{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:.25s}
.tst:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.tst .stars{color:#ffb400;letter-spacing:2px;font-size:14px;margin-bottom:10px}
.tst p{font-size:14.5px;color:#3c4c6b;margin-bottom:16px}
.tst .who{display:flex;align-items:center;gap:10px;font-size:13.5px}
.tst .av{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#1a53ff,#00c9a7);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.tst .who b{display:block;font-size:14px}
.tst .who small{color:var(--muted)}
.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-h)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#e9eef9}
.news-card .bd{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-card .meta{font-size:12.5px;color:#8593b0;display:flex;gap:10px;align-items:center}
.news-card h3{font-size:16.5px;line-height:1.5}
.news-card p{font-size:13.8px;color:var(--muted);flex:1}
.news-card .more{font-size:13.5px;font-weight:700;color:var(--brand)}
.cta{background:linear-gradient(120deg,#0a2f8f,#1a53ff 55%,#0fbfa4);color:#fff;text-align:center;padding:74px 0;border-radius:0}
.cta h2{font-size:34px;margin-bottom:14px}
.cta p{opacity:.9;margin-bottom:28px;font-size:17px}
.cta .btn{background:#fff;color:var(--brand-d);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.cta .btn:hover{transform:translateY(-3px)}
.footer{background:#081536;color:#b8c4e0;padding:64px 0 26px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:38px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer li{margin-bottom:10px}
.footer a:hover{color:#fff}
.footer .about p{line-height:1.9;font-size:13.5px;margin-top:14px;color:#93a2c6}
.footer .brand{color:#fff}
.footer .brand img{width:138px;height:auto}
.foot-brand{margin-bottom:2px}
.foot-bot{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8494bb}
.foot-bot a{margin-left:16px}
.to-top{position:fixed;right:24px;bottom:26px;width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px rgba(26,83,255,.34);z-index:90;font-size:18px;transition:.2s}
.to-top:hover{transform:translateY(-3px)}
.crumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);padding:96px 0 0}
.crumb a{color:var(--brand)}
.crumb span{color:#98a5c1}
.page-head{padding:22px 0 8px}
.page-head h1{font-size:38px;margin-bottom:12px}
.page-head p{color:var(--muted);font-size:17px;max-width:760px}
.page-body{padding:30px 0 80px}
.prose{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px}
.prose h2{font-size:22px;margin:26px 0 12px}
.prose p{color:#39496a;margin-bottom:14px}
.prose ul{margin:0 0 16px 0;display:grid;gap:8px}
.prose li{padding-left:20px;position:relative;color:#39496a}
.prose li::before{content:"•";position:absolute;left:4px;color:var(--brand);font-weight:800}
.dl-hero{padding:120px 0 60px;background:radial-gradient(900px 420px at 80% 10%,#e2ebff,transparent 60%),linear-gradient(180deg,#f7f9ff,#f5f7fc)}
.dl-hero .hero-in{gap:44px}
.dl-hero h1{font-size:40px;font-weight:800;margin-bottom:16px}
.dl-hero .dl-meta{display:flex;gap:28px;flex-wrap:wrap;margin-top:26px}
.dl-hero .dl-meta div span{display:block;font-size:20px;font-weight:800;color:var(--brand-d)}
.dl-hero .dl-meta div small{font-size:13px;color:var(--muted)}
.ver{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ver .v{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column}
.ver .v h3{font-size:18px;margin-bottom:4px}
.ver .v .n{font-size:13px;color:var(--muted);margin-bottom:14px}
.ver .v ul{display:grid;gap:8px;font-size:14px;color:#40506f;margin-bottom:20px}
.ver .v ul li{padding-left:22px;position:relative}
.ver .v ul li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.ver .v .btn{margin-top:auto}
.list-layout{display:grid;grid-template-columns:1fr 300px;gap:34px;align-items:start}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.filters a{font-size:13.5px;font-weight:600;padding:7px 15px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#4b5b7c}
.filters a:hover,.filters a.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.side{position:sticky;top:92px;display:grid;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.side-card h3{font-size:15px;margin-bottom:14px;padding-left:11px;position:relative}
.side-card h3::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;border-radius:3px;background:linear-gradient(180deg,#1a53ff,#00c9a7)}
.toc{display:grid;gap:2px;border-left:1px solid #e3e9f6;margin-left:6px}
.toc a{position:relative;padding:6px 0 6px 16px;font-size:13.5px;color:#5f6f90;line-height:1.5}
.toc a::before{content:"";position:absolute;left:-4px;top:14px;width:7px;height:7px;border-radius:50%;background:#d3ddf1}
.toc a:hover,.toc a.active{color:var(--brand);font-weight:700}
.toc a.active::before{background:var(--brand);box-shadow:0 0 0 3px var(--brand-l)}
.hot{display:grid;gap:12px}
.hot a{display:flex;gap:10px;font-size:13.5px;color:#40506f;line-height:1.5}
.hot a:hover{color:var(--brand)}
.hot .rk{flex-shrink:0;width:20px;height:20px;border-radius:6px;background:#eef2fb;color:#8090b0;font-size:11.5px;font-weight:800;display:flex;align-items:center;justify-content:center;transition:.2s}
.hot a:hover .rk{transform:scale(1.12)}
.hot .rk.r1{background:linear-gradient(135deg,#1a53ff,#0a2f8f);color:#fff}
.hot .rk.r2{background:linear-gradient(135deg,#ff9d4d,#f2760c);color:#fff}
.hot .rk.r3{background:linear-gradient(135deg,#ffd35c,#e0a900);color:#5c4300}
.cats{display:flex;flex-wrap:wrap;gap:8px}
.cats a{font-size:12.5px;padding:5px 12px;border-radius:999px;background:#f4f7fe;color:#54648a;border:1px solid transparent;transition:.2s}
.cats a:hover{background:var(--brand-l);color:var(--brand);border-color:#c9d8ff}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:start;padding:26px 0 80px}
.art{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 38px 30px}
.art h1{font-size:33px;line-height:1.35;margin-bottom:16px}
.art .ameta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:#8593b0;padding-bottom:18px;border-bottom:1px solid #eef2fb;margin-bottom:22px}
.art .ameta b{color:var(--brand);font-weight:700}
.art figure{margin:0 0 22px}
.art figure img{width:100%;border-radius:14px;aspect-ratio:16/9;object-fit:cover;background:#e9eef9}
.art figure figcaption{font-size:12.5px;color:#93a0bb;margin-top:8px;text-align:center}
.art p{font-size:16px;color:#31415f;margin-bottom:16px}
.art h2{font-size:23px;margin:30px 0 14px;padding-top:6px;scroll-margin-top:96px}
.art .quote{border-left:4px solid var(--brand);background:linear-gradient(90deg,#f2f6ff,#fff);padding:16px 20px;border-radius:0 12px 12px 0;margin:20px 0}
.art .quote p{font-size:15.5px;margin-bottom:6px;color:#2b3a58}
.art .quote cite{font-size:13px;color:var(--muted);font-style:normal;font-weight:600}
.art .databox{background:#f7faff;border:1px dashed #c9d8ff;border-radius:12px;padding:18px 20px;margin:20px 0}
.art .databox h3{font-size:15px;color:var(--brand-d);margin-bottom:10px}
.art .databox ul{display:grid;gap:7px}
.art .databox li{font-size:14px;color:#3b4b6b;padding-left:20px;position:relative}
.art .databox li::before{content:"▸";position:absolute;left:2px;color:var(--brand)}
.art .bimg{width:100%;border-radius:14px;aspect-ratio:2/1;object-fit:cover;margin:22px 0;background:#e9eef9}
.art .dl-note{background:linear-gradient(120deg,#0a2f8f,#1a53ff);color:#fff;border-radius:14px;padding:22px 24px;margin:26px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.art .dl-note p{color:#e7edff;margin:0;font-size:14.5px}
.art .dl-note .btn{background:#fff;color:var(--brand-d)}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:28px 0 0;padding-top:24px;border-top:1px solid #eef2fb}
.pn a{background:#f8fafe;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:14px;transition:.2s;display:block}
.pn a:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.pn small{display:block;color:#98a5c1;font-size:12px;margin-bottom:4px}
.cmt{margin-top:34px}
.cmt h2{font-size:20px;margin-bottom:16px}
.cmt-item{display:flex;gap:12px;padding:16px 0;border-bottom:1px dashed #e8eefb}
.cmt-item:last-child{border-bottom:0}
.cmt .av{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#1a53ff,#00c9a7);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0}
.cmt .bd b{font-size:14px}
.cmt .bd time{font-size:12px;color:#98a5c1;margin-left:8px}
.cmt .bd p{font-size:14px;margin:5px 0 0;color:#3b4b6b}
.rel{margin-top:34px}
.rel h2{font-size:20px;margin-bottom:16px}
.err{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:140px 24px 90px}
.err .big{font-size:96px;font-weight:800;background:linear-gradient(135deg,#1a53ff,#00c9a7);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.err h1{font-size:30px;margin:12px 0 12px}
.err p{color:var(--muted);margin-bottom:24px}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.map-col{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.map-col h3{font-size:15px;margin-bottom:10px;color:var(--brand-d)}
.map-col a{display:block;font-size:13.5px;color:#4a5a7b;padding:4px 0}
.map-col a:hover{color:var(--brand)}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .reveal{opacity:1;transform:none;transition:none}}
@media (max-width:1100px){.hero h1{font-size:40px}.nav-in{gap:14px}.nav-link{padding:9px 10px;font-size:14px}}
@media (max-width:992px){
.nav-in{height:64px}
.nav-burger{display:block}
.nav-cta{display:none}
.menu{position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:10px 16px 20px;box-shadow:0 18px 30px rgba(16,40,95,.14);display:none;max-height:calc(100vh - 64px);overflow-y:auto}
.nav-toggle:checked~.menu{display:flex}
.nav-link{color:var(--ink)!important;padding:13px 12px;border-bottom:1px solid #f1f5fd;border-radius:0}
.nav.scrolled .nav-link{color:var(--ink)!important;background:transparent}
.nav.scrolled .menu{background:#fff}
.submenu{position:static;opacity:1;visibility:visible;transform:none;display:none;box-shadow:none;border:0;padding:4px 0 8px 12px;min-width:0;background:#f8fafe;border-radius:10px}
.sub-toggle:checked~.submenu{display:block;animation:subIn .2s ease}
@keyframes subIn{from{opacity:.4;transform:translateY(-4px)}to{opacity:1;transform:none}}
.has-sub:hover .submenu{opacity:1;visibility:visible}
.nav.scrolled .brand{filter:none}
.hero{padding:100px 0 60px}
.hero-in{grid-template-columns:1fr;gap:36px}
.hero h1{font-size:34px}
.g4{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(2,1fr)}
.flow{grid-template-columns:repeat(2,1fr)}
.plat-grid{grid-template-columns:repeat(3,1fr)}
.pricing{grid-template-columns:1fr;max-width:520px;margin:0 auto}
.price.hot{transform:none}
.sec{padding:64px 0}
.sec-head h2{font-size:28px}
.stats-band .it b{font-size:30px}
.list-layout,.art-layout{grid-template-columns:1fr}
.side{position:static;order:2}
.art{padding:24px 20px}
.art h1{font-size:26px}
.art-layout{padding:16px 0 60px}
.ver{grid-template-columns:1fr}
.dl-hero{padding:92px 0 44px}
.dl-hero h1{font-size:30px}
.foot-grid{grid-template-columns:1fr 1fr;gap:26px}
.map-grid{grid-template-columns:repeat(2,1fr)}
.crumb{padding-top:78px}
}
@media (max-width:768px){
.hero h1{font-size:29px}
.hero .lead{font-size:16px}
.hero-stats{gap:20px}
.hero-stats div span{font-size:22px}
.g4,.g3,.g2{grid-template-columns:1fr}
.flow{grid-template-columns:1fr}
.plat-grid{grid-template-columns:repeat(2,1fr)}
.cta h2{font-size:26px}
.page-head h1{font-size:28px}
.art h1{font-size:23px}
.art h2{font-size:20px}
.art p{font-size:15.5px}
.pn{grid-template-columns:1fr}
.demo-row{grid-template-columns:1.4fr 1fr .9fr;font-size:11.5px}
.demo-row .hide-sm{display:none}
.cmt .bd p{font-size:13.5px}
.sec-head p{font-size:15.5px}
.map-grid{grid-template-columns:1fr}
.ver{grid-template-columns:1fr}
}
@media (max-width:480px){
body{font-size:15px}
.wrap{padding:0 16px}
.hero{padding:86px 0 48px}
.hero h1{font-size:26px}
.hero-btns .btn{width:100%}
.btn{padding:13px 22px;font-size:15px}
.stats-band{padding:38px 0}
.stats-band .g4{grid-template-columns:repeat(2,1fr)}
.stats-band .it b{font-size:25px}
.foot-grid{grid-template-columns:1fr}
.art{padding:20px 16px}
.demo-body{padding:12px}
.demo-row{grid-template-columns:1.5fr 1fr;font-size:11px;padding:8px 10px}
.filters a{font-size:12.5px;padding:6px 12px}
.page-head h1{font-size:24px}
.footer{padding:46px 0 22px}
.to-top{right:14px;bottom:16px;width:42px;height:42px}
}
.tabs-wrap{position:relative}
.tabs-wrap>input{position:absolute;opacity:0;pointer-events:none}
.tabs-wrap .demo-tabs label:hover{background:#e4ebfb;color:var(--brand)}
#d1:checked~.demo-tabs label[for="d1"],#d2:checked~.demo-tabs label[for="d2"],#d3:checked~.demo-tabs label[for="d3"],#d4:checked~.demo-tabs label[for="d4"]{background:var(--brand);color:#fff;border-color:var(--brand)}
.panes .pane{display:none;animation:fadeUp .3s ease both}
#d1:checked~.panes .p1,#d2:checked~.panes .p2,#d3:checked~.panes .p3,#d4:checked~.panes .p4{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.skip{position:absolute;left:-9999px;top:0;z-index:999;background:#0a2f8f;color:#fff;padding:8px 14px;border-radius:0 0 8px 0}
.skip:focus{left:0}
.hot .rk.r4{background:linear-gradient(135deg,#8fa6d8,#5f79b5);color:#fff}
.hot .rk.r5{background:linear-gradient(135deg,#c7d2e8,#9aa9c4);color:#fff}
.news-grid .card{height:100%}