*,*::before,*::after{box-sizing:border-box}
:root{--bg:#070b16;--card:rgba(255,255,255,.048);--line:rgba(255,255,255,.09);--tx:#e9efff;--mu:#9aa8c7;--br:#2aabee;--br2:#7b61ff;--grad:linear-gradient(135deg,#2aabee 0%,#7b61ff 100%);--r:18px;--sh:0 18px 44px rgba(0,0,0,.45)}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--tx);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.78;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(680px 420px at 12% -6%,rgba(42,171,238,.20),transparent 60%),radial-gradient(620px 420px at 92% 4%,rgba(123,97,255,.18),transparent 62%),linear-gradient(180deg,#070b16,#080d1c 60%,#070b16)}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:.2px}
p{margin:0 0 16px}
table{border-collapse:collapse;width:100%}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.sec{padding:86px 0}
.sec.alt{background:linear-gradient(180deg,rgba(255,255,255,.022),rgba(255,255,255,0))}
.sec-head{max-width:760px;margin:0 auto 44px;text-align:center}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--br);background:rgba(42,171,238,.12);border:1px solid rgba(42,171,238,.28);padding:5px 14px;border-radius:999px;margin-bottom:16px}
.sec-title{font-size:clamp(23px,2.5vw,34px);margin-bottom:14px}
.sec-sub{color:var(--mu);font-size:15.5px;margin:0}
.grad-tx{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.muted{color:var(--mu)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 26px;border-radius:999px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .25s,box-shadow .25s,background .25s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 30px rgba(42,171,238,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(123,97,255,.42)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--tx)}
.btn-ghost:hover{border-color:var(--br);color:#fff;transform:translateY(-2px)}
.btn-lg{min-height:54px;padding:14px 34px;font-size:16.5px}
.btn-sm{min-height:38px;padding:8px 18px;font-size:14px}
.btn-block{width:100%}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.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(--r);padding:26px;transition:transform .3s,border-color .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);border-color:rgba(42,171,238,.45);box-shadow:0 22px 48px rgba(6,12,28,.62)}
.ico{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;font-size:23px;background:linear-gradient(135deg,rgba(42,171,238,.20),rgba(123,97,255,.20));border:1px solid rgba(42,171,238,.28);margin-bottom:16px}
.card h3{font-size:17.5px;margin-bottom:9px}
.card p{color:var(--mu);font-size:14.6px;margin:0}
.tag{display:inline-block;font-size:12.5px;color:var(--br);background:rgba(42,171,238,.11);border:1px solid rgba(42,171,238,.26);border-radius:999px;padding:4px 12px;margin:0 8px 8px 0}
.nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .3s,box-shadow .3s}
.nav.solid{background:rgba(7,11,22,.88);backdrop-filter:blur(14px);box-shadow:0 10px 30px rgba(0,0,0,.42);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:22px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;flex:0 0 auto}
.brand img{width:34px;height:34px;border-radius:9px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu>li{position:relative}
.nav-menu>li>a,.nav-menu summary{display:flex;align-items:center;gap:6px;padding:10px 13px;border-radius:10px;font-size:15px;font-weight:600;color:#d6dff4;cursor:pointer;transition:color .2s,background .2s}
.nav-menu>li>a:hover,.nav-menu>li>a.on,.nav-menu summary:hover{color:#fff;background:rgba(255,255,255,.055)}
.nav-menu summary{list-style:none}
.nav-menu summary::-webkit-details-marker{display:none}
.arw{font-size:11px;transition:transform .3s;color:var(--br)}
.nav-menu details[open] .arw{transform:rotate(180deg)}
.submenu{position:absolute;top:calc(100% + 10px);left:0;z-index:70;min-width:214px;background:#0e1526;border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:0 20px 44px rgba(0,0,0,.55)}
.submenu a{display:block;padding:9px 13px;border-radius:10px;font-size:14.4px;color:#c8d3ea}
.submenu a:hover{background:rgba(42,171,238,.13);color:#fff}
.nav-menu>li:last-child .submenu{left:auto;right:0}
.nav-cta{flex:0 0 auto}
.hamburger,.nav-toggle{display:none}
.hero{padding:132px 0 76px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:46px;align-items:center}
.hero h1{font-size:clamp(30px,4.2vw,52px);margin-bottom:18px}
.hero-sub{font-size:17px;color:#c3cee6;max-width:560px;margin-bottom:28px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat b{display:block;font-size:26px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{font-size:13px;color:var(--mu)}
.demo{background:linear-gradient(160deg,rgba(19,26,45,.96),rgba(9,13,25,.96));border:1px solid var(--line);border-radius:24px;padding:16px;box-shadow:var(--sh);display:grid;grid-template-columns:186px 1fr;gap:14px;position:relative}
.demo::after{content:"";position:absolute;inset:-1px;border-radius:24px;padding:1px;background:linear-gradient(135deg,rgba(42,171,238,.5),transparent 45%,rgba(123,97,255,.45));-webkit-mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.demo-side{border-right:1px solid var(--line);padding-right:12px}
.demo-side h4{font-size:13px;color:var(--mu);font-weight:600;margin-bottom:10px;letter-spacing:1px}
.chat-item{display:flex;gap:10px;align-items:center;padding:9px 8px;border-radius:12px;margin-bottom:6px;transition:background .25s}
.chat-item:hover,.chat-item:focus{background:rgba(255,255,255,.05)}
.chat-item b{display:block;font-size:13.5px}
.chat-item p{margin:0;font-size:11.6px;color:var(--mu);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:104px}
.avatar{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:14px;font-weight:700;color:#fff;background:var(--grad);flex:0 0 auto}
.avatar.g2{background:linear-gradient(135deg,#22d3ee,#2aabee)}
.avatar.g3{background:linear-gradient(135deg,#f472b6,#7b61ff)}
.demo-main{min-width:0}
.chat-views{height:326px;overflow-y:auto;position:relative}
.chat-view{display:none;flex-direction:column;gap:12px;padding:6px 4px}
.chat-view:first-child{display:flex}
.chat-views:has(.chat-view:target) .chat-view:first-child{display:none}
.chat-view:target{display:flex}
.bubble{max-width:82%;padding:10px 14px;border-radius:16px;font-size:13.6px;line-height:1.6;background:rgba(255,255,255,.06);border:1px solid var(--line)}
.msg{display:flex;flex-direction:column;gap:4px;align-items:flex-start}
.msg.me{align-items:flex-end}
.bubble.me{background:var(--grad);border-color:transparent;color:#fff;border-bottom-right-radius:6px}
.bubble.them{border-bottom-left-radius:6px}
.meta-row{font-size:11px;color:var(--mu);display:flex;gap:8px;align-items:center}
.react{display:none;font-size:20px;background:rgba(255,255,255,.07);border:1px solid var(--line);border-radius:999px;padding:3px 12px}
.flag{color:var(--br)}
.typing{display:inline-flex;gap:4px;align-items:center}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--br);display:inline-block;animation:bl 1.1s infinite}
.typing i:nth-child(2){animation-delay:.18s}
.typing i:nth-child(3){animation-delay:.36s}
.pane-typing{display:flex}
@keyframes bl{0%,100%{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}}
.compose{margin-top:12px;border-top:1px solid var(--line);padding-top:12px}
.emoji-row{display:flex;gap:8px;margin-bottom:10px}
.smile{width:44px;height:44px;min-width:44px;display:grid;place-items:center;font-size:21px;border-radius:12px;background:rgba(255,255,255,.055);border:1px solid var(--line);cursor:pointer;transition:transform .2s,border-color .2s}
.smile:hover{transform:translateY(-3px) scale(1.06);border-color:var(--br)}
.smile .lbl{display:none}
.compose-row{display:flex;gap:10px}
.chat-input{flex:1;min-width:0;height:46px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--tx);padding:0 15px;font-size:14.5px;font-family:inherit}
.chat-input:focus{outline:none;border-color:var(--br)}
.sr{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
#r-heart:checked~.chat-views .r-heart,#r-like:checked~.chat-views .r-like,#r-party:checked~.chat-views .r-party{display:inline-block}
#r-heart:checked~.compose label[for=r-heart],#r-like:checked~.compose label[for=r-like],#r-party:checked~.compose label[for=r-party]{border-color:var(--br);background:rgba(42,171,238,.18)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.list-check li{position:relative;padding-left:28px;margin-bottom:12px;color:#cfd9ee;font-size:15px}
.list-check li::before{content:"✓";position:absolute;left:0;top:0;color:var(--br);font-weight:800}
.topic{display:flex;gap:14px;align-items:center;padding:13px 15px;border:1px solid var(--line);border-radius:14px;margin-bottom:11px;background:rgba(255,255,255,.03);transition:border-color .25s,transform .25s}
.topic:hover{border-color:rgba(42,171,238,.5);transform:translateX(4px)}
.topic b{font-size:15px;display:block}
.topic p{margin:0;font-size:13px;color:var(--mu)}
.topic .cap{margin-left:auto;font-size:12.5px;color:var(--br);white-space:nowrap}
.dev{padding:16px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.03);transition:transform .25s,border-color .25s}
.dev:hover{transform:translateY(-5px);border-color:rgba(123,97,255,.5)}
.dev b{display:block;font-size:15px;margin:10px 0 6px}
.dev p{margin:0;font-size:13px;color:var(--mu)}
.sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sc{position:relative;padding:24px;border-radius:var(--r);border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));transition:transform .3s,border-color .3s}
.sc:hover{transform:translateY(-6px);border-color:rgba(42,171,238,.45)}
.sc .tag{margin:0 0 12px}
.sc h3{font-size:17px;margin-bottom:8px}
.sc p{margin:0;font-size:14.4px;color:var(--mu)}
.price{position:relative;padding:30px;border-radius:var(--r);border:1px solid var(--line);background:var(--card);display:flex;flex-direction:column;transition:transform .3s,border-color .3s}
.price:hover{transform:translateY(-6px)}
.price.hot{border-color:rgba(42,171,238,.6);background:linear-gradient(170deg,rgba(42,171,238,.10),rgba(123,97,255,.08));box-shadow:0 22px 52px rgba(42,171,238,.2)}
.price .best{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;padding:5px 16px;border-radius:999px;white-space:nowrap}
.price h3{font-size:19px;margin-bottom:6px}
.amount{font-size:38px;font-weight:800;margin:12px 0 4px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.amount small{font-size:14px;color:var(--mu);-webkit-text-fill-color:var(--mu)}
.price-list{margin:20px 0 26px}
.price-list li{font-size:14.4px;color:#cdd7ec;padding:7px 0 7px 24px;position:relative}
.price-list li::before{content:"›";position:absolute;left:6px;color:var(--br);font-weight:800}
.price .btn{margin-top:auto}
.faq{max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:16px;background:var(--card);margin-bottom:14px;overflow:hidden}
.faq-item summary{display:flex;justify-content:space-between;gap:16px;padding:19px 22px;font-size:16.4px;font-weight:700;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--br);font-size:22px;font-weight:400;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-a{padding:0 22px 22px;color:#c2cde4;font-size:14.8px}
.faq-a ol{margin:12px 0 0;counter-reset:f}
.faq-a ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:f}
.faq-a ol li::before{content:counter(f);position:absolute;left:0;top:3px;width:21px;height:21px;border-radius:50%;background:rgba(42,171,238,.16);border:1px solid rgba(42,171,238,.4);color:var(--br);font-size:11.5px;font-weight:700;display:grid;place-items:center}
.tv{padding:24px;border-radius:var(--r);border:1px solid var(--line);background:var(--card);transition:transform .3s,border-color .3s}
.tv:hover{transform:translateY(-5px);border-color:rgba(123,97,255,.45)}
.stars{color:#fbbf24;font-size:14px;letter-spacing:2px;margin-bottom:10px}
.tv p{font-size:14.5px;color:#c9d3e9}
.who{display:flex;align-items:center;gap:11px;margin-top:16px}
.who b{font-size:14.5px;display:block}
.who span{font-size:12.5px;color:var(--mu)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card);display:flex;flex-direction:column;transition:transform .3s,border-color .3s}
.news-card:hover{transform:translateY(-7px);border-color:rgba(42,171,238,.45)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-meta{font-size:12.4px;color:var(--mu);display:flex;gap:12px;margin-bottom:9px}
.news-body h3{font-size:16.6px;margin-bottom:9px;line-height:1.5}
.news-body p{font-size:14px;color:var(--mu);flex:1}
.read-more{font-size:14px;font-weight:700;color:var(--br)}
.read-more:hover{color:#fff}
.cta-band{border:1px solid var(--line);border-radius:26px;padding:52px 34px;text-align:center;background:linear-gradient(150deg,rgba(42,171,238,.14),rgba(123,97,255,.13))}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);margin-bottom:14px}
.cta-band p{color:#c6d1e8;max-width:620px;margin:0 auto 26px}
.foot{border-top:1px solid var(--line);background:rgba(6,10,20,.7);padding:56px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;margin-bottom:34px}
.foot h4{font-size:15px;margin-bottom:14px}
.foot li{margin-bottom:9px;font-size:14.2px;color:var(--mu)}
.foot li a:hover{color:var(--br)}
.foot-bot{border-top:1px solid var(--line);padding-top:20px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13.4px;color:var(--mu)}
.foot-bot a:hover{color:var(--br)}
.totop{position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:14px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:0 12px 28px rgba(42,171,238,.4);z-index:50;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;border:0;cursor:pointer}
.totop.show{opacity:1;pointer-events:auto}
.totop:hover{transform:translateY(-4px)}
.crumbs{font-size:13.6px;color:var(--mu);padding:104px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px}
.crumbs a:hover{color:var(--br)}
.art-head{padding:22px 0 26px}
.art-head h1{font-size:clamp(25px,3vw,38px);margin:12px 0 16px}
.art-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13.6px;color:var(--mu)}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:38px;align-items:start;padding-bottom:70px}
.art{font-size:16.2px;color:#cfd9ee}
.art h2{font-size:23px;margin:36px 0 14px;padding-left:14px;border-left:4px solid var(--br)}
.art p{margin:0 0 18px}
.art figure{margin:26px 0}
.art figure img{width:100%;border-radius:16px;border:1px solid var(--line)}
.art figcaption{font-size:13px;color:var(--mu);margin-top:9px;text-align:center}
.quote{margin:26px 0;padding:20px 24px;border-left:4px solid var(--br2);background:rgba(123,97,255,.08);border-radius:0 14px 14px 0}
.quote p{margin:0 0 8px;font-size:16px;color:#dde5f7}
.quote cite{font-size:13.6px;color:var(--mu);font-style:normal}
.data-box{margin:26px 0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:rgba(255,255,255,.03);display:table;width:100%}
.data-box .cap{display:table-caption;caption-side:top;text-align:left;font-size:14px;color:var(--mu);padding:14px 18px;border-bottom:1px solid var(--line)}
.data-box th,.data-box td{padding:12px 18px;font-size:14.4px;text-align:left;border-bottom:1px solid var(--line)}
.data-box th{color:#dbe4f7;background:rgba(42,171,238,.08);font-weight:700}
.data-box td:last-child{color:var(--br);font-weight:700}
.side{position:sticky;top:92px;display:grid;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.side-card h4{font-size:15.5px;padding-left:11px;border-left:3px solid var(--br);margin-bottom:14px}
.toc{position:relative;padding-left:20px}
.toc::before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc li{position:relative;margin-bottom:12px}
.toc li::before{content:"";position:absolute;left:-20px;top:8px;width:9px;height:9px;border-radius:50%;background:#3a4560}
.toc a{font-size:14.2px;color:var(--mu);display:block}
.toc li.on a{color:#fff;font-weight:700}
.toc li.on::before{background:var(--br)}
.hot li{margin-bottom:12px;display:flex;gap:11px;align-items:flex-start}
.hot .no{flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;background:#334155;margin-top:2px}
.hot li:nth-child(1) .no{background:var(--grad)}
.hot li:nth-child(2) .no{background:linear-gradient(135deg,#f59e0b,#f97316)}
.hot li:nth-child(3) .no{background:linear-gradient(135deg,#eab308,#facc15)}
.hot a{font-size:14.2px;color:#c8d3ea;line-height:1.55}
.hot a:hover{color:var(--br)}
.cat-tags a{display:inline-block;font-size:13px;padding:5px 13px;border-radius:999px;border:1px solid var(--line);color:#c4cfe6;margin:0 8px 8px 0}
.cat-tags a:hover{border-color:var(--br);color:var(--br);background:rgba(42,171,238,.1)}
.cmt{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.cmt:last-child{border-bottom:0}
.cmt .avatar{width:42px;height:42px;border-radius:14px;font-size:16px}
.cmt b{font-size:15px}
.cmt time{font-size:12.6px;color:var(--mu);margin-left:10px}
.cmt p{margin:6px 0 0;font-size:14.6px;color:#c8d3ea}
.pager{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;margin:34px 0}
.pager a{flex:1 1 260px;padding:16px 20px;border:1px solid var(--line);border-radius:14px;background:var(--card);font-size:14.4px}
.pager a:hover{border-color:var(--br)}
.pager span{display:block;font-size:12.4px;color:var(--mu);margin-bottom:5px}
.ver-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.req{padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.03)}
.req b{display:block;font-size:13.4px;color:var(--mu);font-weight:600;margin-bottom:5px}
.req span{font-size:15px}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{position:relative;padding:26px 22px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:22px;width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px}
.step b{display:block;font-size:16.4px;margin:14px 0 8px}
.step p{margin:0;font-size:14.3px;color:var(--mu)}
.map-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.map-grid ul li{margin-bottom:9px;font-size:14.4px;color:var(--mu)}
.map-grid ul li a:hover{color:var(--br)}
.e404{min-height:76vh;display:grid;place-items:center;text-align:center;padding:120px 20px 60px}
.e404 b{display:block;font-size:96px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.prose{font-size:15.6px;color:#cfd9ee}
.prose h2{font-size:21px;margin:30px 0 12px}
.prose h3{font-size:17.5px;margin:22px 0 10px}
.prose ul{margin:0 0 18px}
.prose ul li{position:relative;padding-left:22px;margin-bottom:9px}
.prose ul li::before{content:"•";position:absolute;left:6px;color:var(--br)}
html.js .reveal{opacity:0;transform:translateY(26px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .72s ease,transform .72s ease}
.chip-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:34px}
.chip{font-size:14px;padding:8px 18px;border-radius:999px;border:1px solid var(--line);color:#c6d1e8;background:rgba(255,255,255,.035)}
.chip:hover,.chip.on{border-color:var(--br);color:#fff;background:rgba(42,171,238,.14)}
.stat4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat4 .card{padding:26px 18px}
.stat4 b{display:block;font-size:30px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat4 span{font-size:13.6px;color:var(--mu)}
@media(max-width:992px){
.hero{padding:112px 0 60px}
.hero-grid{grid-template-columns:1fr;gap:34px}
.hero-sub{max-width:none}
.demo{grid-template-columns:1fr}
.demo-side{border-right:0;border-bottom:1px solid var(--line);padding:0 0 12px}
.chat-list{display:flex;gap:8px;overflow-x:auto}
.chat-list li{flex:0 0 auto}
.g4,.g3,.sc-grid,.news-grid,.req-grid,.steps,.map-grid,.stat4{grid-template-columns:repeat(2,1fr)}
.art-layout{grid-template-columns:1fr;gap:26px}
.side{position:static;grid-template-columns:1fr}
.split{grid-template-columns:1fr}
.foot-grid{grid-template-columns:repeat(2,1fr)}
.hamburger{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);font-size:20px;cursor:pointer;order:3;margin-left:10px}
.nav-menu{position:fixed;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#0a1020;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 18px 20px;max-height:calc(100vh - 70px);overflow-y:auto;display:none;box-shadow:0 24px 44px rgba(0,0,0,.5);margin-left:0}
#navtoggle:checked~.nav-menu{display:flex}
.nav-menu>li>a,.nav-menu summary{padding:13px 6px;font-size:16px}
.submenu{position:static;top:auto;left:auto;right:auto;box-shadow:none;background:rgba(255,255,255,.03);margin:4px 0 8px}
.nav-cta{order:2}
.nav-inner{justify-content:space-between}
}
@media(max-width:768px){
.sec{padding:64px 0}
.g4,.g3,.sc-grid,.news-grid,.req-grid,.steps,.map-grid,.stat4,.ver-grid,.g2{grid-template-columns:1fr}
.stats{grid-template-columns:repeat(2,1fr)}
.chat-views{height:340px}
.hero h1{font-size:30px}
.cta-band{padding:38px 22px}
.foot-grid{grid-template-columns:1fr}
.crumbs{padding-top:96px}
.art{font-size:15.6px}
.demo{padding:13px}
}
@media(max-width:480px){
.wrap{padding:0 15px}
.hero{padding:100px 0 48px}
.hero-btns{gap:10px}
.hero-btns .btn{flex:1 1 100%}
.stats{grid-template-columns:1fr 1fr;gap:12px}
.stat b{font-size:21px}
.bubble{max-width:92%;font-size:13px}
.smile{width:46px;height:46px;min-width:46px}
.chat-input{height:48px}
.faq-item summary{font-size:15.4px;padding:16px}
.cmt .avatar{width:36px;height:36px}
.totop{right:14px;bottom:16px;width:44px;height:44px}
}