:root{--c1:#00c6ff;--c2:#0072ff;--g:linear-gradient(135deg,#00c6ff,#0072ff);--bg:#080d1a;--bg2:#0e1526;--card:#111a2e;--line:#1e2a44;--text:#e6edf7;--muted:#8b96ab;--ok:#22d3ee;--warn:#fbbf24;--r:14px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c1);background:rgba(0,198,255,.1);border:1px solid rgba(0,198,255,.25);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.section-title{font-size:34px;font-weight:800;line-height:1.25;letter-spacing:-.01em}
.section-sub{font-size:16px;color:var(--muted);margin-top:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:16px;font-weight:700;padding:14px 30px;border-radius:999px;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.btn-primary{background:var(--g);color:#04121f;box-shadow:0 8px 24px rgba(0,114,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,198,255,.45)}
.btn-outline{background:transparent;color:var(--text);border:1.5px solid var(--line)}
.btn-outline:hover{border-color:var(--c1);color:var(--c1);transform:translateY(-2px)}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:background .3s,box-shadow .3s,padding .3s}
.nav.scrolled{background:rgba(8,13,26,.92);backdrop-filter:blur(14px);box-shadow:0 4px 24px rgba(0,0,0,.4);padding:10px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}
.logo img{width:34px;height:34px;border-radius:9px}
.logo b{color:#fff}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:6px;padding:10px 16px;font-size:15px;font-weight:500;color:#c7d2e5;border-radius:10px;cursor:pointer;transition:color .2s,background .2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link .arr{display:inline-block;transition:transform .3s;font-size:11px}
.nav-item:hover .arr,.nav-item.open .arr{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:200px;background:#0f1728;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 40px rgba(0,0,0,.5);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s}
.nav-item:hover .dropdown,.nav-item.open .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 14px;font-size:14px;color:#c7d2e5;border-radius:9px;transition:.2s}
.dropdown a:hover{background:rgba(0,198,255,.12);color:#fff}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta-mobile{display:none}
.dd-toggle:checked~.nav-link .arr{transform:rotate(180deg)}
.hamburger{display:none;background:none;border:1px solid var(--line);color:#fff;width:44px;height:44px;border-radius:10px;cursor:pointer;font-size:20px}
.hero{position:relative;padding:150px 0 90px;background:radial-gradient(1200px 600px at 80% -10%,rgba(0,114,255,.22),transparent 60%),radial-gradient(900px 500px at 10% 10%,rgba(0,198,255,.12),transparent 55%)}
.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;font-size:13px;color:var(--c1);background:rgba(0,198,255,.1);border:1px solid rgba(0,198,255,.25);padding:7px 16px;border-radius:999px;margin-bottom:22px}
.hero-title{font-size:52px;font-weight:800;line-height:1.15;letter-spacing:-.02em}
.hero-title .grad{background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:18px;color:var(--muted);margin:22px 0 32px;max-width:540px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}
.stat .num{font-size:30px;font-weight:800;background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{font-size:14px;color:var(--muted);margin-top:4px}
.demo-wrap{display:flex;justify-content:center}
.demo{width:100%;max-width:380px;background:linear-gradient(180deg,#121c33,#0d1526);border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 30px 70px rgba(0,0,0,.55)}
.demo-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.demo-brand{display:flex;align-items:center;gap:10px;font-weight:700}
.demo-brand .dot{width:10px;height:10px;border-radius:50%;background:#64748b;transition:.3s}
.demo-status{font-size:13px;color:var(--muted)}
.demo .on{display:none}
.gauge{position:relative;width:200px;height:200px;margin:8px auto 22px}
.gauge svg{width:100%;height:100%;transform:rotate(-90deg)}
.gauge .track{fill:none;stroke:#1e2a44;stroke-width:12}
.gauge .fill{fill:none;stroke:url(#gg);stroke-width:12;stroke-linecap:round;stroke-dasharray:528;stroke-dashoffset:528;transition:stroke-dashoffset 1.2s cubic-bezier(.4,0,.2,1)}
.gauge-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.gauge-center .val{font-size:38px;font-weight:800}
.gauge-center .unit{font-size:13px;color:var(--muted)}
.demo-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}
.metric{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;padding:12px 14px;text-align:center}
.metric .k{font-size:12px;color:var(--muted)}
.metric .v{font-size:20px;font-weight:800;margin-top:2px}
.demo-nodes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.node{flex:1;min-width:64px;text-align:center;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:10px;padding:8px 6px;font-size:12px;color:var(--muted);cursor:pointer;transition:.2s}
.node.active{border-color:var(--c1);color:#fff;background:rgba(0,198,255,.12)}
.demo-connect{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:15px;border-radius:12px;font-size:16px;font-weight:700;background:var(--g);color:#04121f;cursor:pointer;border:none;transition:.2s}
.demo-connect:hover{box-shadow:0 8px 24px rgba(0,114,255,.4)}
#demo-on:checked~.demo-top .demo-brand .dot{background:#22d3ee;box-shadow:0 0 10px #22d3ee}
#demo-on:checked~.demo-top .demo-status{color:#22d3ee}
#demo-on:checked~.demo-top .demo-status .off{display:none}
#demo-on:checked~.demo-top .demo-status .on{display:inline}
#demo-on:checked~.gauge .fill{stroke-dashoffset:96}
#demo-on:checked~.gauge .off,#demo-on:checked~.demo-metrics .off,#demo-on:checked~.demo-connect .off{display:none}
#demo-on:checked~.gauge .on,#demo-on:checked~.demo-metrics .on,#demo-on:checked~.demo-connect .on{display:inline}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(0,0,0,.45);border-color:rgba(0,198,255,.4)}
.card .ic{width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:26px;background:rgba(0,198,255,.12);margin-bottom:18px}
.card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.card p{font-size:14px;color:var(--muted)}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scenario-card .tag{font-size:12px;color:var(--c1);font-weight:600}
.scenario-card h3{margin:10px 0}
.nodes-section{background:linear-gradient(180deg,var(--bg),#0a1020)}
.nodes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.node-card{text-align:center;padding:22px 16px}
.node-card .flag{font-size:32px}
.node-card .name{font-weight:700;margin:10px 0 4px}
.node-card .bar{height:6px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:10px}
.node-card .bar i{display:block;height:100%;background:var(--g);border-radius:99px}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{position:relative}
.step-card .n{width:44px;height:44px;border-radius:12px;background:var(--g);color:#04121f;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{position:relative;display:flex;flex-direction:column}
.price-card.popular{border-color:var(--c1);box-shadow:0 0 0 1px var(--c1),0 24px 60px rgba(0,114,255,.25);transform:translateY(-8px)}
.price-card .pop{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--g);color:#04121f;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px}
.price-card .price{font-size:40px;font-weight:800;margin:16px 0 4px}
.price-card .price small{font-size:15px;color:var(--muted);font-weight:500}
.price-card ul{margin:20px 0;display:flex;flex-direction:column;gap:12px}
.price-card ul li{font-size:14px;color:var(--muted);padding-left:26px;position:relative}
.price-card ul li::before{content:"✓";position:absolute;left:0;color:var(--c1);font-weight:700}
.price-card .btn{margin-top:auto}
.faq{max-width:820px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{font-size:22px;color:var(--c1);transition:transform .3s;flex-shrink:0}
.faq details[open] summary .plus{transform:rotate(45deg)}
.faq .a{padding:0 24px 22px;color:var(--muted);font-size:14.5px}
.faq .a ol{padding-left:20px;margin-top:10px;display:flex;flex-direction:column;gap:6px}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card .stars{color:#fbbf24;font-size:16px;letter-spacing:2px;margin-bottom:14px}
.testimonial-card p{font-size:14.5px;color:#d6deea;margin-bottom:20px}
.testimonial-card .who{display:flex;align-items:center;gap:12px}
.testimonial-card .avatar{width:42px;height:42px;border-radius:50%;background:var(--g);display:flex;align-items:center;justify-content:center;font-weight:700;color:#04121f}
.testimonial-card .who .nm{font-weight:700;font-size:14px}
.testimonial-card .who .role{font-size:12px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{overflow:hidden;padding:0}
.news-card img{width:100%;height:180px;object-fit:cover}
.news-card .bd{padding:20px 22px 24px}
.news-card .date{font-size:12px;color:var(--muted)}
.news-card h3{font-size:17px;font-weight:700;margin:10px 0;line-height:1.45}
.news-card p{font-size:13.5px;color:var(--muted)}
.news-card .more{color:var(--c1);font-size:13px;font-weight:600}
.cta{background:radial-gradient(900px 500px at 50% 0%,rgba(0,114,255,.25),transparent 60%),linear-gradient(180deg,#0e1526,#080d1a);border:1px solid var(--line);border-radius:24px;padding:64px 40px;text-align:center}
.cta h2{font-size:34px;font-weight:800}
.cta p{color:var(--muted);margin:16px 0 30px}
.cta .btn{font-size:17px;padding:16px 40px}
.footer{background:#060a14;border-top:1px solid var(--line);padding:60px 0 28px;margin-top:90px}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col a{display:block;color:var(--muted);font-size:14px;margin-bottom:12px;transition:.2s}
.footer-col a:hover{color:var(--c1)}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:14px;max-width:300px}
.footer-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted)}
.footer-bottom .links a{margin-left:18px;color:var(--muted)}
.footer-bottom .links a:hover{color:var(--c1)}
.back-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:12px;background:var(--g);color:#04121f;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 8px 24px rgba(0,114,255,.35);z-index:900;transition:.25s;opacity:0;visibility:hidden}
.back-top.show{opacity:1;visibility:visible}
.article-hero{padding:150px 0 60px;text-align:center;background:radial-gradient(900px 500px at 50% 0%,rgba(0,114,255,.18),transparent 60%)}
.article-hero h1{font-size:38px;font-weight:800;max-width:820px;margin:0 auto 20px;line-height:1.3}
.article-hero .meta{color:var(--muted);font-size:14px}
.breadcrumb{max-width:1200px;margin:0 auto;padding:20px 24px 0;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--c1)}
.breadcrumb .sep{margin:0 8px}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.article{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:44px}
.article .cover{width:100%;height:auto;border-radius:12px;margin-bottom:32px}
.article p{font-size:16px;color:#cfd8e6;margin-bottom:20px}
.article h2{font-size:24px;font-weight:700;margin:36px 0 16px;color:#fff;scroll-margin-top:90px}
.article .figure{margin:28px 0}
.article .figure img{width:100%;border-radius:12px}
.article .figure .cap{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article blockquote{border-left:3px solid var(--c1);background:rgba(0,198,255,.06);padding:16px 22px;margin:24px 0;border-radius:0 10px 10px 0;color:#dbe6f5;font-size:15px}
.article .author{display:flex;align-items:center;gap:14px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.article .author .av{width:48px;height:48px;border-radius:50%;background:var(--g);display:flex;align-items:center;justify-content:center;font-weight:800;color:#04121f;font-size:20px}
.article .author .nm{font-weight:700}
.article .author .t{font-size:13px;color:var(--muted)}
.comments{margin-top:40px}
.comments h3{font-size:20px;margin-bottom:20px}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comment .av{width:40px;height:40px;border-radius:50%;background:rgba(0,198,255,.16);color:var(--c1);display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.comment .nm{font-weight:600;font-size:14px}
.comment .dt{font-size:12px;color:var(--muted);margin-left:10px}
.comment p{font-size:14px;color:var(--muted);margin-top:4px}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:40px;flex-wrap:wrap}
.article-nav a{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:13px;color:var(--muted);transition:.2s;max-width:48%}
.article-nav a:hover{border-color:var(--c1);color:#fff}
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:20px}
.sidebar-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.sidebar-card h4{font-size:15px;font-weight:700;padding-left:12px;border-left:3px solid var(--c1);margin-bottom:16px}
.toc{position:relative}
.toc a{display:flex;align-items:center;gap:12px;padding:9px 0;font-size:13.5px;color:var(--muted);transition:.2s;border-left:2px solid var(--line);padding-left:16px}
.toc a.active,.toc a:hover{color:var(--c1);border-left-color:var(--c1);font-weight:600}
.hot-list li{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.hot-list li:last-child{border-bottom:none}
.hot-list .rank{width:24px;height:24px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#04121f;background:#475569;flex-shrink:0;transition:.2s}
.hot-list li:nth-child(1) .rank{background:var(--g)}
.hot-list li:nth-child(2) .rank{background:linear-gradient(135deg,#fb923c,#f97316)}
.hot-list li:nth-child(3) .rank{background:linear-gradient(135deg,#fbbf24,#f59e0b)}
.hot-list a{font-size:13.5px;color:#c7d2e5;line-height:1.4;transition:.2s}
.hot-list a:hover{color:var(--c1)}
.hot-list li:hover .rank{transform:scale(1.12)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:12.5px;color:var(--muted);border:1px solid var(--line);padding:6px 13px;border-radius:999px;transition:.2s}
.tags a:hover{color:var(--c1);border-color:var(--c1)}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.page-hero{padding:150px 0 60px;text-align:center}
.page-hero h1{font-size:40px;font-weight:800}
.page-hero p{color:var(--muted);margin-top:14px;max-width:640px;margin-left:auto;margin-right:auto}
.prose{max-width:820px;margin:0 auto}
.prose h2{font-size:24px;font-weight:700;margin:40px 0 16px;scroll-margin-top:90px}
.prose p{color:#cfd8e6;margin-bottom:18px;font-size:15.5px}
.prose ul{margin:16px 0;padding-left:4px}
.prose ul li{padding:8px 0 8px 26px;position:relative;color:#cfd8e6;font-size:15px}
.prose ul li::before{content:"◆";position:absolute;left:0;color:var(--c1);font-size:12px;top:11px}
.dl-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.dl-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.dl-meta .m{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center}
.dl-meta .m .v{font-size:20px;font-weight:800}
.dl-meta .m .k{font-size:12px;color:var(--muted);margin-top:2px}
.versions{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.version-card{display:flex;flex-direction:column}
.version-card .v{font-size:13px;color:var(--c1);font-weight:700}
.version-card .size{font-size:13px;color:var(--muted);margin:6px 0 16px}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sys-item{display:flex;gap:14px;align-items:flex-start}
.sys-item .ic{font-size:22px;width:44px;height:44px;border-radius:11px;background:rgba(0,198,255,.12);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sys-item .k{font-weight:700;font-size:14.5px}
.sys-item .v{font-size:13.5px;color:var(--muted);margin-top:2px}
.sitemap{max-width:900px;margin:0 auto}
.sitemap .grp{margin-bottom:34px}
.sitemap .grp h2{font-size:20px;font-weight:700;margin-bottom:14px;padding-left:12px;border-left:3px solid var(--c1)}
.sitemap .grp ul{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.sitemap .grp ul a{display:block;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 16px;font-size:14px;color:#c7d2e5;transition:.2s}
.sitemap .grp ul a:hover{border-color:var(--c1);color:#fff}
.err{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px}
.err .code{font-size:120px;font-weight:800;background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.err h1{font-size:28px;margin:16px 0 12px}
.err p{color:var(--muted);margin-bottom:30px}
.reveal{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .6s,transform .6s}
html.js .reveal.in{opacity:1;transform:none}
@media(max-width:992px){
.nav-menu{position:absolute;top:100%;left:0;right:0;background:#0c1322;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 20px 24px;gap:2px;display:none;max-height:calc(100vh - 70px);overflow-y:auto;box-shadow:0 20px 40px rgba(0,0,0,.5)}
.nav-toggle:checked~.nav-menu{display:flex}
.nav-item{position:static}
.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;border:none;padding-left:12px;display:none;min-width:0}
.dd-toggle:checked~.dropdown{display:block}
.hamburger{display:flex}
.nav-cta{display:none}
.nav-cta-mobile{display:inline-flex;margin-top:6px;width:100%}
.hero{padding-top:130px}
.hero-inner,.dl-hero{grid-template-columns:1fr;gap:40px}
.hero-title{font-size:40px}
.features-grid{grid-template-columns:repeat(2,1fr)}
.nodes-grid{grid-template-columns:repeat(2,1fr)}
.scenario-grid,.pricing-grid,.testimonials-grid,.news-grid,.news-list,.versions,.dl-meta,.sys-grid{grid-template-columns:repeat(2,1fr)}
.steps-grid{grid-template-columns:repeat(3,1fr)}
.article-layout{grid-template-columns:1fr}
.sidebar{position:static}
.footer-cols{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.section{padding:60px 0}
.section-title{font-size:28px}
.hero-title{font-size:32px}
.features-grid,.scenario-grid,.nodes-grid,.testimonials-grid,.news-grid,.news-list,.versions,.pricing-grid,.steps-grid,.sys-grid{grid-template-columns:1fr}
.dl-meta{grid-template-columns:1fr 1fr}
.article{padding:28px 20px}
.article-hero h1{font-size:28px}
.footer-cols{grid-template-columns:1fr}
.article-nav a{max-width:100%}
}
@media(max-width:480px){
.container{padding:0 16px}
.hero-title{font-size:28px}
.hero-sub{font-size:16px}
.hero-stats{grid-template-columns:1fr 1fr}
.stat .num{font-size:24px}
.gauge{width:160px;height:160px}
.demo{padding:20px}
.cta h2{font-size:26px}
}