*{margin:0;padding:0;box-sizing:border-box}
:root{--bg0:#070b1f;--bg1:#0c1230;--bg2:#0e1638;--card:#121a40;--card2:#172150;--line:rgba(255,255,255,.08);--ink:#eef2ff;--muted:#9ba6cf;--b1:#3d6bff;--b2:#00d4ff;--acc:#a855f7;--grad:linear-gradient(135deg,#3d6bff,#00d4ff);--grad2:linear-gradient(135deg,#a855f7,#3d6bff);--r:18px;--sh:0 18px 50px -18px rgba(0,0,0,.6)}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;background:var(--bg0);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:min(1200px,92%);margin:0 auto}
section{position:relative}
::selection{background:var(--b1);color:#fff}
/* scrollbar */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg1)}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--b1),var(--b2));border-radius:10px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:50px;font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:.3s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px -10px rgba(61,107,255,.7)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 36px -12px rgba(0,212,255,.7)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:var(--b2);color:var(--b2);background:rgba(0,212,255,.08)}
.btn-lg{padding:16px 36px;font-size:16px}
/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:.4s;padding:16px 0}
.nav.scrolled{background:rgba(7,11,31,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:10px 0;box-shadow:0 10px 30px -15px rgba(0,0,0,.8);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}
.brand img{width:38px;height:38px;border-radius:9px}
.brand span{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:6px;padding:9px 14px;border-radius:10px;font-size:15px;font-weight:500;color:#c8d2f0;transition:.3s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link .arr{font-size:10px;transition:.3s}
.nav-item:hover .nav-link .arr,.nav-item.open .nav-link .arr{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 10px);left:0;min-width:220px;background:#fff;color:#18203c;border-radius:14px;padding:8px;box-shadow:0 24px 60px -18px rgba(0,0,0,.7);opacity:0;visibility:hidden;transform:translateY(10px);transition:.28s}
.nav-item:hover .dropdown,.nav-item.open .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:flex;align-items:center;gap:9px;padding:11px 14px;border-radius:10px;font-size:14px;color:#334;transition:.2s}
.dropdown a:hover{background:#eef3ff;color:var(--b1)}
.dropdown a .ico{width:20px;height:20px;flex:none}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn{padding:10px 22px;font-size:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
/* hero */
.hero{padding:150px 0 90px;background:radial-gradient(1200px 600px at 85% -10%,rgba(61,107,255,.28),transparent 60%),radial-gradient(900px 500px at 0% 10%,rgba(168,85,247,.2),transparent 55%),var(--bg0);overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(61,107,255,.14);border:1px solid rgba(61,107,255,.35);color:#bcd0ff;padding:7px 16px;border-radius:50px;font-size:13px;margin-bottom:22px}
.hero h1{font-size:52px;line-height:1.15;font-weight:800;letter-spacing:-1px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .sub{margin:20px 0 30px;color:var(--muted);font-size:18px;max-width:540px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-stats{display:flex;gap:36px}
.hero-stats .st b{display:block;font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-stats .st span{color:var(--muted);font-size:13px}
/* simulator */
.sim{position:relative;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--sh);overflow:hidden}
.sim::before{content:"";position:absolute;inset:-40%;background:conic-gradient(from 180deg,rgba(61,107,255,.25),rgba(0,212,255,.12),rgba(168,85,247,.2),rgba(61,107,255,.25));animation:spin 10s linear infinite;filter:blur(20px);opacity:.5}
.sim-inner{position:relative;z-index:1}
.sim-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.sim-top .dot{display:flex;gap:6px}
.sim-top .dot i{width:10px;height:10px;border-radius:50%;background:#ff5f57}
.sim-top .dot i:nth-child(2){background:#febc2e}
.sim-top .dot i:nth-child(3){background:#28c840}
.sim-connect{display:inline-flex;align-items:center;gap:8px;background:rgba(40,200,64,.15);color:#5ee08a;border:1px solid rgba(40,200,64,.3);padding:6px 14px;border-radius:50px;font-size:13px;font-weight:600}
.sim-connect .pulse{width:8px;height:8px;border-radius:50%;background:#28c840;animation:pulse 1.4s infinite}
.sim-loc{display:flex;justify-content:space-between;align-items:center;background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:14px}
.sim-loc .from,.sim-loc .to{text-align:center}
.sim-loc .from b,.sim-loc .to b{font-size:15px}
.sim-loc .flag{font-size:26px;display:block;margin-bottom:4px}
.sim-loc .sw{width:60px;text-align:center;color:var(--b2);font-weight:700;position:relative}
.sim-loc .sw::before,.sim-loc .sw::after{content:"";position:absolute;top:50%;height:2px;width:22px;background:var(--grad)}
.sim-loc .sw::before{left:0}
.sim-loc .sw::after{right:0}
.sim-speed{text-align:center;margin-bottom:16px}
.sim-speed b{font-size:46px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sim-speed span{color:var(--muted);font-size:13px}
.sim-bar{height:8px;background:var(--bg2);border-radius:10px;overflow:hidden;margin-bottom:18px}
.sim-bar i{display:block;height:100%;width:78%;background:var(--grad);border-radius:10px;animation:bar 3s ease-in-out infinite}
.sim-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sim-grid .cell{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px;font-size:13px}
.sim-grid .cell span{display:block;color:var(--muted);font-size:11px;margin-bottom:4px}
.sim-grid .cell b{color:#7be7ff}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(40,200,64,.5)}50%{box-shadow:0 0 0 7px rgba(40,200,64,0)}}
@keyframes bar{0%{width:55%}50%{width:92%}100%{width:55%}}
/* sections */
.sec{padding:90px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 54px}
.sec-head .kicker{display:inline-block;color:var(--b2);font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:38px;font-weight:800;letter-spacing:-.5px;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px}
/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:34px 28px;position:relative;transition:.3s}
.step:hover{transform:translateY(-6px);border-color:rgba(61,107,255,.5)}
.step .num{position:absolute;top:20px;right:22px;font-size:44px;font-weight:800;color:rgba(255,255,255,.06)}
.step .ico{width:58px;height:58px;border-radius:16px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.step h3{font-size:20px;margin-bottom:10px}
.step p{color:var(--muted);font-size:14px}
/* features */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:.3s;position:relative;overflow:hidden}
.feat::after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:.3s}
.feat:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.4)}
.feat:hover::after{opacity:1}
.feat .ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;background:rgba(61,107,255,.15);border:1px solid rgba(61,107,255,.3)}
.feat h3{font-size:18px;margin-bottom:10px}
.feat p{color:var(--muted);font-size:14px}
/* nodes */
.nodes-wrap{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}
.node-stats{display:grid;gap:16px}
.node-stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.node-stat b{display:block;font-size:34px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.node-stat span{color:var(--muted);font-size:13px}
.node-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.node{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 14px;text-align:center;transition:.3s;cursor:pointer}
.node:hover{transform:translateY(-4px);border-color:rgba(0,212,255,.4)}
.node .flag{font-size:28px;display:block;margin-bottom:8px}
.node b{display:block;font-size:14px;margin-bottom:2px}
.node span{color:var(--muted);font-size:12px}
.node .lat{color:#5ee08a;font-size:11px}
/* scenario */
.scenario{background:var(--bg1)}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:.3s;scroll-margin-top:100px}
.sc:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.sc .ico{font-size:32px;margin-bottom:14px}
.sc h3{font-size:18px;margin-bottom:10px}
.sc p{color:var(--muted);font-size:14px}
/* protocols */
.protos{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.proto{display:inline-flex;align-items:center;gap:9px;background:var(--card);border:1px solid var(--line);padding:12px 24px;border-radius:50px;font-weight:600;font-size:15px;transition:.3s}
.proto:hover{border-color:var(--b2);transform:translateY(-3px);color:#fff}
.proto .dot{width:8px;height:8px;border-radius:50%;background:var(--grad)}
/* pricing */
.pricing{background:var(--bg1)}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.price{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:36px 30px;position:relative;display:flex;flex-direction:column;transition:.3s}
.price.hot{background:linear-gradient(var(--card2),var(--card));border:2px solid transparent;background-clip:padding-box;border-image:var(--grad);border-image-slice:1;transform:translateY(-14px);box-shadow:0 30px 60px -20px rgba(61,107,255,.6)}
.price .tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:5px 18px;border-radius:50px}
.price h3{font-size:20px;margin-bottom:6px}
.price .desc{color:var(--muted);font-size:13px;margin-bottom:22px}
.price .amt{font-size:44px;font-weight:800}
.price .amt small{font-size:15px;color:var(--muted);font-weight:500}
.price .per{color:var(--muted);font-size:12px;margin-bottom:24px}
.price ul{margin-bottom:30px;display:grid;gap:12px}
.price ul li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#cfd8f5}
.price ul li::before{content:"✓";color:var(--b2);font-weight:800;flex:none}
.price .btn{margin-top:auto}
/* faq */
.faq-wrap{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;background:none;border:0;color:var(--ink);font-size:16px;font-weight:600;padding:20px 24px;cursor:pointer;text-align:left;font-family:inherit}
.faq-q .plus{font-size:22px;color:var(--b2);transition:.3s;flex:none}
.faq.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:.35s}
.faq.open .faq-a{max-height:600px}
.faq-a-in{padding:0 24px 22px;color:var(--muted);font-size:14px}
.faq-a-in ol{margin:8px 0 0 18px;display:grid;gap:6px}
.faq-a-in ol li{list-style:decimal}
/* news cards */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.4)}
.ncard .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg2)}
.ncard .thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.ncard:hover .thumb img{transform:scale(1.06)}
.ncard .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.ncard .meta{display:flex;gap:12px;color:var(--muted);font-size:12px}
.ncard h3{font-size:17px;line-height:1.45}
.ncard h3 a:hover{color:var(--b2)}
.ncard p{color:var(--muted);font-size:14px}
.ncard .more{color:var(--b2);font-weight:600;font-size:14px;margin-top:auto}
/* testimonials */
.testi{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:.3s}
.tc:hover{transform:translateY(-6px)}
.tc .stars{color:#ffc94d;font-size:18px;letter-spacing:2px;margin-bottom:14px}
.tc p{color:#cfd8f5;font-size:15px;margin-bottom:20px;font-style:italic}
.tc .who{display:flex;align-items:center;gap:12px}
.tc .who .ava{width:46px;height:46px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff}
.tc .who b{display:block;font-size:14px}
.tc .who span{color:var(--muted);font-size:12px}
/* cta */
.cta{text-align:center;padding:90px 0;background:radial-gradient(700px 400px at 50% 0%,rgba(61,107,255,.3),transparent 70%),var(--bg0)}
.cta h2{font-size:42px;font-weight:800;margin-bottom:16px}
.cta p{color:var(--muted);font-size:17px;margin-bottom:32px}
.cta .hero-cta{justify-content:center;margin-bottom:0}
/* footer */
.footer{background:var(--bg1);border-top:1px solid var(--line);padding:70px 0 30px}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.footer .fbrand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;margin-bottom:16px}
.footer .fbrand img{width:38px;height:38px;border-radius:9px}
.footer .fbrand span{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.footer .about{color:var(--muted);font-size:14px;max-width:300px}
.footer h4{font-size:15px;margin-bottom:18px;color:#fff}
.footer .col a{display:block;color:var(--muted);font-size:14px;padding:6px 0;transition:.2s}
.footer .col a:hover{color:var(--b2);padding-left:5px}
.footer-bottom{border-top:1px solid var(--line);padding-top:24px;text-align:center;color:var(--muted);font-size:13px}
/* page hero (inner pages) */
.page-hero{padding:140px 0 60px;background:radial-gradient(900px 400px at 50% -20%,rgba(61,107,255,.3),transparent 60%),var(--bg0);text-align:center}
.page-hero h1{font-size:44px;font-weight:800;margin-bottom:14px}
.page-hero p{color:var(--muted);font-size:16px;max-width:620px;margin:0 auto}
/* download page */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.dl-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:36px 28px;text-align:center;transition:.3s;display:flex;flex-direction:column}
.dl-card:hover{transform:translateY(-8px);border-color:rgba(0,212,255,.4)}
.dl-card .ico{font-size:44px;margin-bottom:18px}
.dl-card h3{font-size:20px;margin-bottom:8px}
.dl-card p{color:var(--muted);font-size:13px;margin-bottom:20px}
.dl-card .ver{color:var(--muted);font-size:12px;margin-bottom:18px}
.dl-card .btn{margin-top:auto}
.dl-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:60px}
.dl-step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 20px;text-align:center}
.dl-step .n{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.dl-step h4{font-size:16px;margin-bottom:8px}
.dl-step p{color:var(--muted);font-size:13px}
/* news list */
.news-list{display:grid;gap:24px;margin-top:40px}
.nrow{display:grid;grid-template-columns:300px 1fr;gap:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s}
.nrow:hover{transform:translateY(-5px);border-color:rgba(0,212,255,.4)}
.nrow .thumb{aspect-ratio:16/9}
.nrow .thumb img{width:100%;height:100%;object-fit:cover}
.nrow .body{padding:24px;display:flex;flex-direction:column;gap:12px}
.nrow .meta{color:var(--muted);font-size:12px;display:flex;gap:14px}
.nrow h3{font-size:20px}
.nrow p{color:var(--muted);font-size:14px}
.nrow .more{color:var(--b2);font-weight:600;margin-top:auto}
/* news detail */
.article{max-width:820px;margin:0 auto;padding:40px 0}
.article .crumb{color:var(--muted);font-size:13px;margin-bottom:20px}
.article .crumb a:hover{color:var(--b2)}
.article h1{font-size:36px;font-weight:800;line-height:1.3;margin-bottom:18px}
.article .meta{display:flex;gap:16px;color:var(--muted);font-size:13px;margin-bottom:28px}
.article .meta .cat{background:rgba(61,107,255,.15);color:#bcd0ff;padding:3px 12px;border-radius:50px}
.article .cover{aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;margin-bottom:34px}
.article .cover img{width:100%;height:100%;object-fit:cover}
.article .content{font-size:16px;color:#d5dcf5;line-height:1.9}
.article .content h2{font-size:26px;font-weight:800;color:#fff;margin:36px 0 16px}
.article .content p{margin-bottom:18px}
.article .content img{border-radius:var(--r);margin:22px 0;width:100%}
.article .content blockquote{border-left:4px solid var(--b2);background:var(--card);padding:18px 22px;border-radius:0 14px 14px 0;margin:22px 0;color:#cfe6ff;font-style:italic}
.article .pager{display:flex;justify-content:space-between;gap:16px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.article .pager a{flex:1;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:14px;transition:.2s}
.article .pager a:hover{border-color:var(--b2)}
.article .pager a small{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}
.article .back{text-align:center;margin-top:24px}
/* sitemap */
.sitemap{max-width:900px;margin:0 auto;padding:40px 0}
.smap-group{margin-bottom:34px}
.smap-group h2{font-size:22px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.smap-group h2::before{content:"";width:5px;height:22px;background:var(--grad);border-radius:3px}
.smap-group ul{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.smap-group ul a{display:block;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:13px 16px;font-size:14px;transition:.2s}
.smap-group ul a:hover{border-color:var(--b2);color:var(--b2)}
/* 404 */
.err{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px}
.err .code{font-size:130px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.err h1{font-size:28px;margin:10px 0 14px}
.err p{color:var(--muted);margin-bottom:28px}
.err .count{color:var(--b2);font-weight:700}
/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.3,1)}
.reveal.on{opacity:1;transform:none}
/* responsive */
@media(max-width:992px){
  .burger{display:flex}
  .nav-menu{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:var(--bg1);flex-direction:column;align-items:stretch;gap:4px;padding:90px 20px 30px;transition:.35s;box-shadow:-20px 0 50px rgba(0,0,0,.6);overflow-y:auto}
  .nav-menu.open{right:0}
  .nav-link{justify-content:space-between;font-size:17px;padding:13px 14px}
  .dropdown{position:static;background:var(--bg2);box-shadow:none;opacity:1;visibility:visible;transform:none;max-height:0;overflow:hidden;padding:0;transition:.3s;min-width:0}
  .nav-item.open .dropdown{max-height:400px;padding:6px}
  .dropdown a{color:#cfd8f5}
  .dropdown a:hover{background:rgba(61,107,255,.12);color:#fff}
  .nav-actions .btn-ghost{display:none}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero{padding:120px 0 70px}
  .hero h1{font-size:40px}
  .steps,.grid-3,.grid-6,.testi,.news-grid,.pgrid,.dl-grid{grid-template-columns:repeat(2,1fr)}
  .nodes-wrap{grid-template-columns:1fr}
  .node-grid{grid-template-columns:repeat(3,1fr)}
  .dl-steps{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .nrow{grid-template-columns:1fr}
}
@media(max-width:768px){
  .sec{padding:64px 0}
  .sec-head h2{font-size:30px}
  .hero h1{font-size:34px}
  .hero .sub{font-size:16px}
  .hero-stats{gap:22px}
  .hero-stats .st b{font-size:24px}
  .steps,.grid-3,.grid-6,.testi,.news-grid,.pgrid,.dl-grid,.node-grid{grid-template-columns:1fr}
  .price.hot{transform:none}
  .cta h2{font-size:30px}
  .page-hero h1{font-size:32px}
  .footer-inner{grid-template-columns:1fr}
  .smap-group ul{grid-template-columns:1fr}
  .article h1{font-size:28px}
  .article .pager{flex-direction:column}
}
@media(max-width:480px){
  .container{width:94%}
  .btn{padding:12px 22px;font-size:14px}
  .hero h1{font-size:28px}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
  .nav-actions .btn-primary{padding:9px 16px;font-size:13px}
  .sec-head h2{font-size:26px}
  .sim-grid{grid-template-columns:1fr}
  .node-grid{grid-template-columns:repeat(2,1fr)}
}