:root{--brand:#2f5cff;--brand2:#00bfa6;--brand-dk:#1b3cc4;--ink:#0d1530;--body:#3c4763;--muted:#6b7691;--line:#e4e9f4;--bg:#f6f8fd;--card:#fff;--gold:#f0a500;--shadow:0 10px 30px rgba(23,42,94,.08);--radius:16px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--body);background:var(--bg);line-height:1.75;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dk)}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;margin:0 0 .6em;font-weight:800}
h1{font-size:clamp(28px,3.4vw,44px);letter-spacing:-.02em}
h2{font-size:clamp(23px,2.4vw,32px)}
h3{font-size:19px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:76px 0}
.section.alt{background:#fff}
.sec-head{max-width:760px;margin:0 auto 44px;text-align:center}
.sec-head .tag{display:inline-block;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);font-weight:700;margin-bottom:10px}
.sec-head p{color:var(--muted);margin:12px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 26px;border-radius:999px;font-weight:700;font-size:16px;border:0;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 8px 20px rgba(47,92,255,.28)}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(47,92,255,.34);color:#fff}
.btn.ghost{background:#fff;color:var(--brand);border:2px solid rgba(47,92,255,.35);box-shadow:none}
.btn.ghost:hover{border-color:var(--brand);color:var(--brand-dk)}
.btn.sm{min-height:40px;padding:8px 18px;font-size:14px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:10px;top:10px;z-index:999;background:#fff;padding:10px 16px;border-radius:8px}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
.nav.scrolled{background:rgba(10,20,48,.9);border-bottom-color:rgba(255,255,255,.12);box-shadow:0 8px 24px rgba(8,16,40,.24)}
.nav.scrolled .nav-menu>a,.nav.scrolled .nav-glabel,.nav.scrolled .logo span{color:#fff}
.nav.scrolled .nav-burger span{background:#fff}
.nav-in{max-width:1180px;margin:0 auto;padding:0 20px;height:70px;display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;color:var(--ink);flex:0 0 auto}
.logo img{width:28px;height:28px;border-radius:7px}
.nav-toggle,.nav-cb{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.nav-burger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;margin-left:auto;cursor:pointer;border-radius:10px}
.nav-burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:18px;flex:1 1 auto}
.nav-menu>a,.nav-glabel{display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:10px;color:var(--ink);font-weight:600;font-size:15px;cursor:pointer}
.nav-menu>a:hover,.nav-glabel:hover{color:var(--brand);background:rgba(47,92,255,.07)}
.nav-group{position:relative}
.caret{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .25s ease;margin-top:-3px}
.nav-group:hover .caret,.nav-group:focus-within .caret{transform:rotate(225deg);margin-top:3px}
.nav-drop{position:absolute;top:100%;left:0;min-width:216px;background:#fff;border-radius:14px;box-shadow:0 18px 40px rgba(16,32,74,.16);padding:8px;border:1px solid var(--line)}
.nav-drop a{display:block;padding:10px 14px;border-radius:10px;color:var(--ink);font-size:14.5px;font-weight:600}
.nav-drop a:hover{background:rgba(47,92,255,.08);color:var(--brand)}
.btn-nav{flex:0 0 auto;min-height:42px;padding:9px 20px;font-size:15px}
@media(min-width:993px){.nav-drop{display:none}.nav-group:hover .nav-drop,.nav-group:focus-within .nav-drop{display:block}}
.hero{position:relative;padding:132px 0 72px;background:radial-gradient(900px 460px at 82% -6%,rgba(47,92,255,.16),transparent 62%),radial-gradient(760px 420px at 6% 12%,rgba(0,191,166,.14),transparent 60%),#f6f8fd;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.hero .tag{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:var(--brand);font-weight:700;font-size:13.5px;padding:7px 14px;border-radius:999px;box-shadow:var(--shadow);margin-bottom:18px}
.hero h1{margin-bottom:16px}
.hero .lead{font-size:17.5px;color:var(--body);max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 30px}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:560px}
.hero-facts div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow)}
.hero-facts b{display:block;font-size:23px;color:var(--ink);line-height:1.2}
.hero-facts span{font-size:13px;color:var(--muted)}
.demo{background:#fff;border-radius:22px;box-shadow:0 24px 60px rgba(21,40,96,.14);border:1px solid var(--line);padding:18px;position:relative}
.demo-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.demo-bar strong{font-size:15px;color:var(--ink)}
.demo-bar em{font-style:normal;font-size:12px;color:var(--muted)}
.demo-tabs{display:flex;gap:6px;margin:14px 0 10px;flex-wrap:wrap}
.demo-tabs label{cursor:pointer;font-size:13px;font-weight:700;color:var(--muted);background:#f2f5fd;border-radius:999px;padding:8px 15px;min-height:36px;display:inline-flex;align-items:center;transition:all .2s ease}
.demo-radio{position:absolute;opacity:0;width:1px;height:1px}
.demo-tabs label:hover{color:var(--brand)}
#dq1:checked~.demo-tabs label[for=dq1],#dq2:checked~.demo-tabs label[for=dq2],#dq3:checked~.demo-tabs label[for=dq3],#dq4:checked~.demo-tabs label[for=dq4]{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.demo-panel{display:none}
#dq1:checked~.demo-body .dp1,#dq2:checked~.demo-body .dp2,#dq3:checked~.demo-body .dp3,#dq4:checked~.demo-body .dp4{display:block}
.demo-issue{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-bottom:12px}
.demo-issue b{color:var(--ink);font-size:14px}
.balls{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:7px;margin-bottom:12px}
.ball{display:flex;align-items:center;justify-content:center;aspect-ratio:1/1;border-radius:50%;color:#fff;font-weight:800;font-size:15px;box-shadow:inset 0 -3px 7px rgba(0,0,0,.16)}
.b-red{background:linear-gradient(160deg,#ff6a6a,#dc2626)}
.b-blue{background:linear-gradient(160deg,#5b8cff,#1d4ed8)}
.b-green{background:linear-gradient(160deg,#43d6a2,#078b63)}
.ball.pop{animation:pop .42s ease both}
@keyframes pop{0%{transform:scale(.4);opacity:0}70%{transform:scale(1.12)}100%{transform:scale(1);opacity:1}}
.demo-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:12px}
.demo-stats div{background:#f6f8fd;border-radius:10px;padding:9px 8px;text-align:center}
.demo-stats span{display:block;font-size:11.5px;color:var(--muted)}
.demo-stats b{font-size:15px;color:var(--ink)}
.demo-table{width:100%;border-collapse:collapse;font-size:13px}
.demo-table th{text-align:left;color:var(--muted);font-weight:600;font-size:12px;padding:6px 4px;border-bottom:1px solid var(--line)}
.demo-table td{padding:9px 4px;border-bottom:1px solid #f1f4fb;color:var(--ink);font-weight:600}
.demo-table td.sync{color:#0a9d76;font-size:12px}
.demo-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:12px;font-size:12px;color:var(--muted)}
.demo-foot .btn{min-height:38px;padding:7px 16px;font-size:13.5px}
.band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.band-grid b{display:block;font-size:clamp(22px,2.2vw,29px);color:var(--brand-dk)}
.band-grid span{font-size:13.5px;color:var(--muted)}
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(23,42,94,.14)}
.card .ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:linear-gradient(140deg,rgba(47,92,255,.14),rgba(0,191,166,.16));margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);margin:0;font-size:15px}
.gateway{display:grid;grid-template-columns:1.06fr .94fr;gap:36px;align-items:center}
.gate-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.gate-list li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:12px;padding:16px 18px;box-shadow:var(--shadow)}
.gate-list b{color:var(--ink);display:block;font-size:15.5px}
.gate-list span{font-size:14px;color:var(--muted)}
.metric-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);font-size:14.5px}
.metric-table th,.metric-table td{padding:14px 16px;text-align:left;border-bottom:1px solid #eef2fa}
.metric-table thead th{background:#eff3ff;color:var(--ink);font-size:13.5px}
.metric-table tbody tr:last-child td{border-bottom:0}
.metric-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow)}
.step em{position:absolute;top:-18px;left:24px;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-style:normal;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(47,92,255,.3)}
.step h3{margin-top:14px}
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 26px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.price.hot{border:2px solid var(--brand);box-shadow:0 22px 50px rgba(47,92,255,.2);position:relative;transform:translateY(-6px)}
.price.hot .badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-size:12.5px;font-weight:700;padding:6px 16px;border-radius:999px;white-space:nowrap}
.price h3{margin-bottom:4px}
.price .sub{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.price .num{font-size:34px;font-weight:800;color:var(--ink);line-height:1.1;margin-bottom:4px}
.price .num small{font-size:14px;color:var(--muted);font-weight:600}
.price ul{list-style:none;padding:0;margin:18px 0 26px;display:grid;gap:10px;font-size:14.5px}
.price li{padding-left:24px;position:relative}
.price li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand2);font-weight:800}
.price .btn{margin-top:auto}
.faq{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 22px;box-shadow:var(--shadow);transition:border-color .2s ease}
.faq details[open]{border-color:rgba(47,92,255,.4)}
.faq summary{cursor:pointer;list-style:none;padding:18px 30px 18px 0;font-weight:700;color:var(--ink);position:relative;font-size:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:15px;font-size:24px;color:var(--brand);font-weight:400;transition:transform .2s ease}
.faq details[open] summary::after{content:"−"}
.faq .ans{padding:0 0 18px;color:var(--body);font-size:15px}
.faq .ans ol{margin:6px 0 0}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.quote .stars{color:var(--gold);font-size:14px;letter-spacing:2px;margin-bottom:10px}
.quote p{font-size:15px;color:var(--body)}
.who{display:flex;align-items:center;gap:12px;margin-top:14px}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex:0 0 auto}
.who b{display:block;font-size:14.5px;color:var(--ink)}
.who span{font-size:12.5px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .24s ease,box-shadow .24s ease}
.news-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(23,42,94,.14)}
.news-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.news-card .nb{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-card time,.article-meta time{font-size:12.5px;color:var(--muted)}
.news-card h3{font-size:17.5px;margin:8px 0 10px}
.news-card h3 a{color:var(--ink)}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{font-size:14px;color:var(--muted);margin:0 0 16px}
.news-card .more{margin-top:auto;font-weight:700;font-size:14px}
.cta{background:linear-gradient(135deg,#101f4d,#1b3cc4 58%,#00a68f);color:#fff;border-radius:26px;padding:52px 40px;text-align:center;box-shadow:0 24px 60px rgba(18,38,96,.26)}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.84);max-width:640px;margin:0 auto 24px}
.cta .btn{background:#fff;color:var(--brand-dk);box-shadow:0 10px 26px rgba(0,0,0,.18)}
.cta .btn.ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6);box-shadow:none}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.footer{background:#0c1533;color:#aeb9d4;padding:56px 0 26px;margin-top:76px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer a{color:#aeb9d4;font-size:14px;display:block;padding:5px 0}
.footer a:hover{color:#fff}
.footer .fdesc{font-size:14px;line-height:1.8;max-width:340px}
.footer .notes{font-size:12.5px;color:#8291b0;margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8291b0}
.footer-bottom nav{display:flex;gap:16px;flex-wrap:wrap}
.footer-bottom a{display:inline;padding:0}
.totop{position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(47,92,255,.34);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;z-index:90;font-size:18px}
.totop.show{opacity:1;visibility:visible;transform:translateY(0)}
.page-head{background:radial-gradient(760px 320px at 80% -30%,rgba(47,92,255,.18),transparent 60%),#f6f8fd;padding:124px 0 44px;border-bottom:1px solid var(--line)}
.crumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-bottom:12px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--ink);font-weight:600}
.page-head p{color:var(--muted);max-width:700px;margin:10px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;align-items:start;padding:52px 0}
.article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:38px;box-shadow:var(--shadow)}
.article-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.article .cover{border-radius:14px;margin:6px 0 24px;width:100%;height:auto}
.article h1{font-size:clamp(25px,2.6vw,34px)}
.article h2{font-size:23px;margin-top:1.6em;padding-left:14px;border-left:5px solid var(--brand);line-height:1.35}
.article p{font-size:16px;color:#37425e;line-height:1.95}
.article figure{margin:26px 0}
.article figure img{border-radius:14px;width:100%;height:auto}
.article figcaption{font-size:12.5px;color:var(--muted);margin-top:8px;text-align:center}
.article .quote-block{background:#f2f6ff;border-left:4px solid var(--brand);border-radius:10px;padding:16px 20px;margin:22px 0;font-size:15.5px;color:var(--ink)}
.article .quote-block span{display:block;font-size:13px;color:var(--muted);margin-top:6px}
.tip{background:#f7fbf9;border:1px dashed #bfe6d7;border-radius:12px;padding:16px 18px;font-size:14.5px;color:#20604c;margin:24px 0}
.article-nav{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:30px;padding-top:22px;border-top:1px solid var(--line);font-size:14.5px;font-weight:600}
.article-nav a{max-width:48%}
.related{margin-top:34px}
.related h3{font-size:18px;margin-bottom:14px}
.related ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.related li a{font-size:15px;font-weight:600}
.comments{margin-top:34px}
.comments h3{font-size:18px;margin-bottom:16px}
.comment{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid #eef2fa}
.comment:last-child{border-bottom:0}
.comment .cbody{flex:1}
.comment .cline{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.comment b{font-size:14.5px;color:var(--ink)}
.comment time{font-size:12px;color:var(--muted)}
.comment p{margin:6px 0 0;font-size:14.5px;color:#465071}
.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:15.5px;padding-left:11px;border-left:4px solid var(--brand);margin-bottom:14px}
.toc{position:relative;padding-left:18px}
.toc::before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc a{display:block;position:relative;padding:8px 0;font-size:13.5px;color:var(--muted);line-height:1.5}
.toc a::before{content:"";position:absolute;left:-18px;top:15px;width:9px;height:9px;border-radius:50%;background:#cfd9ee}
.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 rgba(47,92,255,.16)}
.hot{list-style:none;margin:0;padding:0;display:grid;gap:11px;counter-reset:hot}
.hot li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.55}
.hot li::before{counter-increment:hot;content:counter(hot);flex:0 0 22px;height:22px;border-radius:7px;background:#e8edf9;color:#7c88a5;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;transition:transform .2s ease}
.hot li:nth-child(1)::before{background:linear-gradient(135deg,#2f5cff,#00bfa6);color:#fff}
.hot li:nth-child(2)::before{background:linear-gradient(135deg,#ff9f43,#ff6b6b);color:#fff}
.hot li:nth-child(3)::before{background:linear-gradient(135deg,#f7d060,#f0a500);color:#fff}
.hot li:hover::before{transform:scale(1.12)}
.hot a{color:var(--body);font-size:13.5px}
.hot a:hover{color:var(--brand)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:12.5px;padding:6px 12px;border-radius:999px;background:#f2f5fd;color:#5b6785;border:1px solid transparent}
.tags a:hover{color:var(--brand);border-color:var(--brand);background:#fff}
.list-page{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;align-items:start;padding:52px 0}
.list-main{display:grid;gap:20px}
.list-item{display:grid;grid-template-columns:230px 1fr;gap:22px;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease}
.list-item:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(23,42,94,.13)}
.list-item img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover}
.list-item .lb{padding:20px 22px 20px 0}
.list-item h2{font-size:19px;margin:6px 0 8px}
.list-item h2 a{color:var(--ink)}
.list-item h2 a:hover{color:var(--brand)}
.list-item p{margin:0 0 12px;font-size:14.5px;color:var(--muted)}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sys{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.sys b{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:6px}
.sys span{color:var(--ink);font-weight:700;font-size:15px}
.dl-hero{padding:120px 0 60px;background:radial-gradient(800px 380px at 10% -10%,rgba(0,191,166,.16),transparent 60%),#f6f8fd}
.dl-grid{display:grid;grid-template-columns:1fr .92fr;gap:44px;align-items:center}
.dl-facts{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:13.5px;color:var(--muted)}
.dl-facts b{color:var(--ink)}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.map-col{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.map-col h2{font-size:17px;padding-left:11px;border-left:4px solid var(--brand)}
.map-col ul{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:8px}
.map-col a{font-size:14.5px}
.prose{background:#fff;border:1px solid var(--line);border-radius:20px;padding:38px;box-shadow:var(--shadow);max-width:900px;margin:0 auto}
.prose h2{font-size:21px;margin-top:1.6em}
.prose h2:first-of-type{margin-top:0}
.prose ul{font-size:15.5px}
.err{min-height:60vh;display:flex;align-items:center;justify-content:center;padding:140px 20px 60px;text-align:center}
.err .code{font-size:clamp(72px,14vw,140px);font-weight:800;line-height:1;background:linear-gradient(135deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px}
.err p{color:var(--muted);max-width:520px;margin:0 auto 24px}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.js .reveal.in{opacity:1;transform:none}
@media(max-width:992px){
.nav-burger{display:flex}
.nav-menu{position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:2px;padding:14px 20px 22px;margin:0;box-shadow:0 18px 40px rgba(16,32,74,.16);max-height:calc(100vh - 70px);overflow:auto;display:none}
.nav-toggle:checked~.nav-menu{display:flex}
.nav-menu>a,.nav-glabel{padding:13px 10px;font-size:16px;border-radius:10px}
.nav-glabel{justify-content:space-between}
.nav-drop{position:static;box-shadow:none;border:0;padding:0 0 6px 12px;min-width:0;display:none}
.nav-cb:checked~.nav-drop{display:block}
.nav-group:hover .caret{transform:rotate(45deg);margin-top:-3px}
.nav-cb:checked~.nav-glabel .caret{transform:rotate(225deg);margin-top:3px}
.btn-nav{display:none}
.hero{padding:104px 0 56px}
.hero-grid,.gateway,.dl-grid{grid-template-columns:1fr;gap:34px}
.hero-facts{max-width:none}
.g4,.g3,.news-grid,.quotes,.prices,.sys-grid,.map-grid,.footer-grid{grid-template-columns:repeat(2,1fr)}
.steps{grid-template-columns:repeat(3,1fr)}
.band-grid{grid-template-columns:repeat(2,1fr);gap:22px}
.article-layout,.list-page{grid-template-columns:1fr;padding:38px 0}
.side{position:static}
.article,.prose{padding:26px}
.list-item{grid-template-columns:1fr}
.list-item .lb{padding:0 22px 22px}
.price.hot{transform:none}
}
@media(max-width:768px){
.section{padding:56px 0}
.hero h1{font-size:29px}
.hero .lead{font-size:16px}
.g4,.g3,.news-grid,.quotes,.prices,.sys-grid,.map-grid,.steps{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.cta{padding:38px 22px;border-radius:20px}
.balls{gap:5px}
.ball{font-size:13px}
.demo-stats{grid-template-columns:repeat(2,1fr)}
.article h1{font-size:24px}
.article p{font-size:15.5px}
.faq summary{font-size:15px}
.page-head{padding:100px 0 34px}
.article-nav{flex-direction:column}
.article-nav a{max-width:100%}
}
@media(max-width:480px){
.wrap{padding:0 16px}
.hero{padding:96px 0 44px}
.hero-actions .btn{width:100%}
.hero-facts{grid-template-columns:1fr;gap:10px}
.hero-facts div{padding:12px 14px}
.hero-facts b{font-size:20px}
.demo{padding:14px;border-radius:18px}
.demo-tabs label{padding:7px 12px;font-size:12.5px}
.band-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.card,.step,.price,.quote{padding:22px}
.cta-actions .btn{width:100%}
.totop{right:14px;bottom:16px;width:42px;height:42px}
.footer-bottom{flex-direction:column}
.demo-table td,.demo-table th{font-size:12px}
}