:root{--b:#6d5ce7;--b2:#00c6cf;--a:#ff7a45;--gold:#f5b301;--dk:#14142b;--tx:#1f2036;--mu:#6b6d86;--bd:#e8e9f2;--bg:#f6f7fb;--w:#fff;--gr:linear-gradient(135deg,#6d5ce7 0%,#00c6cf 100%);--grw:linear-gradient(135deg,#ff7a45 0%,#f5b301 100%);--sh:0 12px 40px rgba(20,20,43,.10);--r:18px}
*{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(--tx);background:var(--bg);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:88px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 54px}
.sec-head .tag{display:inline-flex;align-items:center;gap:8px;padding:7px 18px;border-radius:999px;background:rgba(109,92,231,.08);color:var(--b);font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:18px}
.sec-head h2{font-size:38px;line-height:1.25;font-weight:800;color:var(--dk);margin-bottom:16px}
.sec-head p{color:var(--mu);font-size:16px}
.sec-head h2 span{background:var(--gr);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-size:16px;font-weight:700;cursor:pointer;transition:all .25s;border:none;white-space:nowrap}
.btn-gr{background:var(--gr);color:#fff;box-shadow:0 10px 26px rgba(109,92,231,.35)}
.btn-gr:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(109,92,231,.45)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-light{background:#fff;color:var(--b);box-shadow:0 8px 20px rgba(0,0,0,.12)}
.btn-light:hover{transform:translateY(-2px)}
.btn-lg{padding:16px 38px;font-size:17px}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:all .3s}
.nav.scrolled{background:rgba(20,20,43,.92);backdrop-filter:blur(14px);padding:10px 0;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.nav .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:22px}
.logo img{width:36px;height:36px;border-radius:9px}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu>li{position:relative}
.nav-menu>li>a{display:flex;align-items:center;gap:6px;padding:10px 16px;color:#fff;font-size:15px;font-weight:600;border-radius:10px;transition:all .2s}
.nav-menu>li>a:hover{background:rgba(255,255,255,.12)}
.nav-menu>li>a .ar{transition:transform .3s;font-size:11px}
.nav-menu>li:hover>a .ar,.nav-menu>li.open>a .ar{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:0;min-width:210px;background:#fff;border-radius:16px;box-shadow:var(--sh);padding:10px;opacity:0;visibility:hidden;transform:translateY(12px);transition:all .25s;z-index:100}
.nav-menu>li:hover .dropdown,.nav-menu>li.open .dropdown{opacity:1;visibility:visible;transform:translateY(4px)}
.dropdown a{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;color:var(--tx);font-size:14px;font-weight:500;transition:all .2s}
.dropdown a:hover{background:rgba(109,92,231,.08);color:var(--b)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-actions .btn{padding:10px 22px;font-size:15px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{width:26px;height:2.5px;background:#fff;border-radius:2px;transition:all .3s}
.burger.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.hero{position:relative;padding:160px 0 100px;background:radial-gradient(1100px 600px at 80% -10%,rgba(0,198,207,.35),transparent 60%),radial-gradient(900px 600px at -10% 20%,rgba(109,92,231,.45),transparent 55%),var(--dk);overflow:hidden;color:#fff}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.hero .container{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:13px;font-weight:600;margin-bottom:22px}
.hero h1{font-size:52px;line-height:1.15;font-weight:900;margin-bottom:22px}
.hero h1 em{font-style:normal;background:var(--gr);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:18px;color:rgba(255,255,255,.82);max-width:520px;margin-bottom:32px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hero-stats .st b{display:block;font-size:30px;font-weight:900;background:var(--gr);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .st span{font-size:14px;color:rgba(255,255,255,.7)}
.demo{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:20px;backdrop-filter:blur(10px);box-shadow:0 30px 70px rgba(0,0,0,.35)}
.demo-phone{background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--sh);color:var(--tx)}
.demo-head{display:flex;align-items:center;gap:10px;padding:14px 16px;background:var(--gr);color:#fff}
.demo-head .av{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;font-weight:700}
.demo-head .nm{font-weight:700;font-size:15px}
.demo-head .st{font-size:12px;opacity:.85}
.demo-head .lock{margin-left:auto;background:rgba(255,255,255,.2);border-radius:999px;padding:4px 10px;font-size:12px;display:flex;align-items:center;gap:5px}
.demo-body{height:300px;padding:16px;overflow-y:auto;background:#f3f4fb;display:flex;flex-direction:column;gap:10px}
.msg{max-width:78%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.5;animation:pop .3s ease}
.msg.in{align-self:flex-start;background:#fff;border-bottom-left-radius:4px}
.msg.out{align-self:flex-end;background:var(--gr);color:#fff;border-bottom-right-radius:4px}
.msg .t{font-size:10px;opacity:.6;margin-top:4px;display:block}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.demo-foot{display:flex;gap:8px;padding:12px;background:#fff;border-top:1px solid var(--bd);align-items:center}
.demo-foot input{flex:1;border:1px solid var(--bd);border-radius:999px;padding:10px 16px;font-size:14px;outline:none}
.demo-foot input:focus{border-color:var(--b)}
.demo-foot button{background:var(--gr);color:#fff;border:none;border-radius:999px;padding:10px 18px;font-weight:700;cursor:pointer}
.demo-tools{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.demo-tools .chip{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:999px;padding:7px 14px;font-size:13px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:6px}
.demo-tools .chip.on{background:var(--gr);border-color:transparent}
.features{background:#fff}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{background:var(--bg);border:1px solid var(--bd);border-radius:var(--r);padding:28px;transition:all .3s}
.feat:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:transparent}
.feat .ic{width:54px;height:54px;border-radius:16px;background:var(--gr);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.feat h3{font-size:18px;font-weight:800;margin-bottom:10px;color:var(--dk)}
.feat p{font-size:14px;color:var(--mu)}
.scenario{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scn{position:relative;background:#fff;border-radius:var(--r);padding:30px;border:1px solid var(--bd);transition:all .3s;overflow:hidden}
.scn::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gr);opacity:0;transition:.3s}
.scn:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.scn:hover::before{opacity:1}
.scn .ic{font-size:32px;margin-bottom:16px}
.scn h3{font-size:18px;font-weight:800;margin-bottom:10px}
.scn p{font-size:14px;color:var(--mu)}
.special{background:var(--dk);color:#fff;overflow:hidden}
.special .sec-head h2{color:#fff}
.special-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.spec{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);padding:34px;transition:all .3s}
.spec:hover{background:rgba(255,255,255,.09);transform:translateY(-4px)}
.spec .ic{width:56px;height:56px;border-radius:16px;background:var(--gr);display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:18px}
.spec h3{font-size:20px;font-weight:800;margin-bottom:12px}
.spec p{font-size:15px;color:rgba(255,255,255,.78)}
.spec ul{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.spec ul li{font-size:14px;color:rgba(255,255,255,.7);padding-left:22px;position:relative}
.spec ul li::before{content:"✓";position:absolute;left:0;color:var(--b2);font-weight:700}
.pricing{background:#fff}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price{background:var(--bg);border:1px solid var(--bd);border-radius:22px;padding:36px;text-align:center;transition:all .3s;position:relative;display:flex;flex-direction:column}
.price:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.price.pop{background:var(--dk);color:#fff;border:none;transform:scale(1.04);box-shadow:0 24px 60px rgba(20,20,43,.35)}
.price .badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grw);color:#fff;padding:6px 20px;border-radius:999px;font-size:13px;font-weight:700}
.price .name{font-size:16px;font-weight:700;color:var(--mu);margin-bottom:10px}
.price.pop .name{color:rgba(255,255,255,.7)}
.price .amount{font-size:44px;font-weight:900;margin-bottom:6px}
.price .amount small{font-size:16px;font-weight:500}
.price .desc{font-size:13px;color:var(--mu);margin-bottom:26px}
.price.pop .desc{color:rgba(255,255,255,.6)}
.price ul{text-align:left;margin-bottom:28px;flex:1}
.price ul li{padding:9px 0;font-size:14px;border-bottom:1px dashed rgba(0,0,0,.08);display:flex;gap:8px}
.price.pop ul li{border-color:rgba(255,255,255,.12)}
.price ul li::before{content:"✓";color:var(--b2);font-weight:800}
.price .btn{width:100%}
.faq{background:var(--bg)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border-radius:16px;margin-bottom:14px;border:1px solid var(--bd);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;background:none;border:none;font-size:17px;font-weight:700;color:var(--dk);cursor:pointer;text-align:left}
.faq-q .pm{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--gr);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;transition:.3s}
.faq-item.open .pm{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-in{padding:0 24px 24px;color:var(--mu);font-size:15px}
.faq-a-in ol{margin-left:20px;display:flex;flex-direction:column;gap:8px}
.testi{background:#fff}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tst{background:var(--bg);border-radius:var(--r);padding:28px;border:1px solid var(--bd)}
.tst .stars{color:var(--gold);font-size:16px;margin-bottom:14px}
.tst p{font-size:14px;color:var(--tx);margin-bottom:18px}
.tst .who{display:flex;align-items:center;gap:12px}
.tst .who .av{width:42px;height:42px;border-radius:50%;background:var(--gr);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.tst .who b{display:block;font-size:14px}
.tst .who span{font-size:12px;color:var(--mu)}
.news-sec{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--bd);transition:all .3s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.news-card .img{position:relative;aspect-ratio:16/9;overflow:hidden}
.news-card .img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .img img{transform:scale(1.06)}
.news-card .img .cat{position:absolute;top:12px;left:12px;background:var(--gr);color:#fff;font-size:12px;padding:4px 12px;border-radius:999px}
.news-card .bd{padding:20px}
.news-card .bd h3{font-size:17px;font-weight:800;line-height:1.4;margin-bottom:10px;color:var(--dk);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .bd p{font-size:13px;color:var(--mu);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.news-card .bd .meta{font-size:12px;color:var(--mu);display:flex;justify-content:space-between}
.cta{background:var(--gr);color:#fff;text-align:center;padding:80px 0;position:relative;overflow:hidden}
.cta h2{font-size:38px;font-weight:900;margin-bottom:16px}
.cta p{font-size:17px;opacity:.9;margin-bottom:30px}
.cta .btn-light{color:var(--b)}
footer{background:var(--dk);color:rgba(255,255,255,.7);padding:60px 0 30px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-grid .brand p{font-size:14px;margin-top:14px;max-width:300px}
.foot-grid h4{color:#fff;font-size:16px;margin-bottom:18px}
.foot-grid ul li{margin-bottom:10px}
.foot-grid ul a{font-size:14px;transition:.2s}
.foot-grid ul a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;text-align:center;font-size:13px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--mu);flex-wrap:wrap;margin-bottom:20px}
.breadcrumb a{color:var(--b)}
.breadcrumb span{color:var(--mu)}
.page-hero{background:radial-gradient(900px 500px at 80% -10%,rgba(0,198,207,.3),transparent 60%),radial-gradient(800px 500px at -10% 20%,rgba(109,92,231,.4),transparent 55%),var(--dk);color:#fff;padding:150px 0 70px;text-align:center}
.page-hero h1{font-size:44px;font-weight:900;margin-bottom:14px}
.page-hero p{font-size:17px;color:rgba(255,255,255,.8);max-width:640px;margin:0 auto}
.dl-hero{padding-top:150px;padding-bottom:80px}
.dl-hero .container{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.dl-hero .info h1{font-size:44px;font-weight:900;color:var(--dk);margin-bottom:18px}
.dl-hero .info p{color:var(--mu);font-size:17px;margin-bottom:28px}
.dl-meta{display:flex;gap:32px;margin-bottom:30px}
.dl-meta b{display:block;font-size:22px;color:var(--b)}
.dl-meta span{font-size:13px;color:var(--mu)}
.versions{background:#fff}
.version-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.ver{display:flex;align-items:center;gap:22px;background:var(--bg);border:1px solid var(--bd);border-radius:var(--r);padding:26px;transition:.3s}
.ver:hover{box-shadow:var(--sh)}
.ver .vn{min-width:120px;text-align:center}
.ver .vn b{font-size:20px;display:block;color:var(--dk)}
.ver .vn span{font-size:12px;color:var(--mu)}
.ver .vl{flex:1;font-size:14px;color:var(--mu)}
.ver .vl li{padding:3px 0}
.reqs{background:var(--bg)}
.reqs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.req{background:#fff;border-radius:var(--r);padding:28px;border:1px solid var(--bd);text-align:center}
.req .ic{font-size:30px;margin-bottom:12px}
.req b{display:block;margin-bottom:6px}
.req p{font-size:14px;color:var(--mu)}
.steps{background:#fff}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;text-align:center;padding:30px 20px;background:var(--bg);border-radius:var(--r)}
.step .num{width:48px;height:48px;border-radius:50%;background:var(--gr);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;margin:0 auto 16px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--mu)}
.article-hero{background:var(--dk);color:#fff;padding:140px 0 50px}
.article-hero .container{max-width:900px}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start;padding:40px 0 80px}
.article-body{background:#fff;border-radius:var(--r);padding:44px;box-shadow:var(--sh)}
.article-body h1{font-size:32px;font-weight:900;line-height:1.35;color:var(--dk);margin-bottom:18px}
.article-meta{display:flex;gap:20px;font-size:13px;color:var(--mu);margin-bottom:24px;flex-wrap:wrap}
.article-cover{border-radius:14px;overflow:hidden;margin-bottom:30px}
.article-cover img{width:100%;object-fit:cover}
.article-body .lead{font-size:17px;color:var(--mu);background:var(--bg);border-left:4px solid var(--b);padding:18px 22px;border-radius:10px;margin-bottom:30px}
.article-body h2{font-size:24px;font-weight:800;color:var(--dk);margin:34px 0 16px;padding-left:14px;border-left:4px solid var(--b2)}
.article-body p{font-size:16px;color:var(--tx);margin-bottom:18px;line-height:1.9}
.article-body .fig{margin:26px 0;border-radius:14px;overflow:hidden}
.article-body .fig img{width:100%;object-fit:cover;aspect-ratio:2/1}
.article-body .fig em{display:block;text-align:center;font-size:12px;color:var(--mu);padding:8px 0;font-style:normal}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:24px;border-top:1px solid var(--bd)}
.article-nav a{font-size:14px;color:var(--b)}
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border-radius:var(--r);box-shadow:var(--sh);padding:24px}
.side-card .sc-title{font-size:16px;font-weight:800;color:var(--dk);padding-left:12px;border-left:4px solid var(--b);margin-bottom:18px}
.toc{position:relative}
.toc ul{position:relative;padding-left:18px}
.toc ul::before{content:"";position:absolute;left:4px;top:4px;bottom:4px;width:2px;background:var(--bd)}
.toc li{position:relative;padding:7px 0}
.toc li::before{content:"";position:absolute;left:-18px;top:15px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--bd);transition:.3s}
.toc li.active::before{background:var(--b);border-color:var(--b)}
.toc li.active a{color:var(--b);font-weight:800}
.toc a{font-size:14px;color:var(--mu);transition:.2s}
.hot ul{display:flex;flex-direction:column;gap:10px}
.hot li{display:flex;gap:12px;align-items:flex-start}
.hot .rk{flex-shrink:0;width:24px;height:24px;border-radius:6px;background:#e5e6ef;color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;transition:.25s}
.hot li:nth-child(1) .rk{background:var(--b)}
.hot li:nth-child(2) .rk{background:var(--a)}
.hot li:nth-child(3) .rk{background:var(--gold)}
.hot li:hover .rk{transform:scale(1.15)}
.hot a{font-size:13px;color:var(--mu);line-height:1.4;transition:.2s}
.hot a:hover{color:var(--b)}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tags a{font-size:13px;color:var(--mu);background:var(--bg);border:1px solid var(--bd);padding:6px 14px;border-radius:999px;transition:.2s}
.tags a:hover{color:var(--b);border-color:var(--b)}
.comments{margin-top:44px;padding-top:30px;border-top:1px solid var(--bd)}
.comments h3{font-size:20px;font-weight:800;margin-bottom:20px}
.cmt{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--bd)}
.cmt .av{width:40px;height:40px;border-radius:50%;background:var(--gr);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.cmt .c-head{display:flex;gap:12px;align-items:baseline;margin-bottom:6px}
.cmt .c-head b{font-size:14px}
.cmt .c-head span{font-size:12px;color:var(--mu)}
.cmt p{font-size:14px;color:var(--tx)}
.sitemap{background:#fff}
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.sitemap-grid h3{font-size:18px;font-weight:800;color:var(--dk);margin-bottom:16px;padding-left:12px;border-left:4px solid var(--b)}
.sitemap-grid ul li{margin-bottom:10px}
.sitemap-grid a{font-size:14px;color:var(--mu);transition:.2s}
.sitemap-grid a:hover{color:var(--b)}
.nf{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:var(--dk);color:#fff;padding:40px}
.nf .code{font-size:120px;font-weight:900;background:var(--gr);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.nf h1{font-size:28px;margin:20px 0 12px}
.nf p{color:rgba(255,255,255,.7);margin-bottom:30px}
.nf .count{color:var(--b2);font-weight:800}
@media(max-width:992px){
.container{padding:0 20px}
.hero .container,.dl-hero .container{grid-template-columns:1fr;gap:40px}
.hero{padding:140px 0 70px}
.hero h1{font-size:40px}
.features-grid{grid-template-columns:repeat(2,1fr)}
.scenario-grid{grid-template-columns:repeat(2,1fr)}
.special-grid{grid-template-columns:1fr}
.pricing-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}
.price.pop{transform:none}
.testi-grid{grid-template-columns:1fr}
.news-grid{grid-template-columns:repeat(2,1fr)}
.reqs-grid{grid-template-columns:repeat(2,1fr)}
.steps-grid{grid-template-columns:repeat(2,1fr)}
.foot-grid{grid-template-columns:1fr 1fr}
.article-layout{grid-template-columns:1fr}
.sidebar{position:static}
.burger{display:flex}
.nav-menu{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:80px 20px 30px;transition:right .3s;box-shadow:-10px 0 40px rgba(0,0,0,.2);overflow-y:auto}
.nav-menu.open{right:0}
.nav-menu>li>a{color:var(--tx);padding:14px 10px;border-bottom:1px solid var(--bd)}
.nav-menu>li>a:hover{background:rgba(109,92,231,.06)}
.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:var(--bg);display:none}
.nav-menu>li.open .dropdown{display:block}
.nav-actions .btn-ghost{display:none}
}
@media(max-width:768px){
section{padding:60px 0}
.sec-head h2{font-size:30px}
.hero h1{font-size:32px}
.features-grid,.scenario-grid,.news-grid,.reqs-grid,.steps-grid{grid-template-columns:1fr}
.foot-grid{grid-template-columns:1fr}
.dl-hero .info h1{font-size:32px}
.article-body{padding:24px}
.article-body h1{font-size:24px}
.page-hero h1{font-size:32px}
}
@media(max-width:480px){
.container{padding:0 16px}
.hero h1{font-size:28px}
.hero-stats{flex-direction:column;gap:16px}
.hero-btns .btn{width:100%}
.sec-head h2{font-size:26px}
.ver{flex-direction:column;align-items:flex-start}
.demo-body{height:240px}
}