*{margin:0;padding:0;box-sizing:border-box}
:root{--brand:#2f6bff;--brand2:#00d4ff;--grad:linear-gradient(135deg,#2f6bff 0%,#00d4ff 100%);--dark:#0a0e1a;--dark2:#111728;--ink:#1b2437;--sub:#5b6b85;--line:#e7ecf5;--bg:#f5f8ff;--card:#fff;--gold:#f59e0b;--radius:16px;--shadow:0 10px 30px rgba(31,58,140,.10);--shadow-lg:0 24px 60px rgba(31,58,140,.18)}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;border:0;transition:.25s;white-space:nowrap}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(47,107,255,.35)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(47,107,255,.45)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-outline{background:transparent;color:var(--brand);border:2px solid var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.section{padding:88px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 56px}
.tag{display:inline-block;padding:6px 16px;border-radius:999px;background:rgba(47,107,255,.10);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.5px}
.section-head h2{font-size:36px;line-height:1.3;margin:16px 0 14px;font-weight:800;letter-spacing:-.5px}
.section-head p{color:var(--sub);font-size:17px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:18px 0;transition:.35s;background:transparent}
.navbar.scrolled{background:rgba(10,14,26,.92);backdrop-filter:blur(14px);padding:12px 0;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:20px}
.brand img{height:34px;width:auto}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:6px;color:#e8edff;padding:10px 16px;border-radius:10px;font-size:15px;font-weight:500;cursor:pointer;transition:.2s}
.nav-link:hover{background:rgba(255,255,255,.10)}
.nav-link .arrow{transition:.3s;font-size:11px}
.nav-item:hover .arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:0;min-width:220px;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 16px;border-radius:10px;color:var(--ink);font-size:14px;font-weight:500;transition:.2s}
.dropdown a:hover{background:#f0f5ff;color:var(--brand)}
.nav-cta{display:flex;align-items:center;gap:12px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.hamburger span{width:26px;height:2.5px;background:#fff;border-radius:2px;transition:.3s}
.hero{position:relative;padding:170px 0 90px;background:radial-gradient(1200px 600px at 80% -10%,#1b3a8a 0%,transparent 55%),radial-gradient(900px 500px at 10% 110%,#0f6b8a 0%,transparent 50%),var(--dark);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;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;z-index:2;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(255,255,255,.10);border:1px solid rgba(255,255,255,.18);padding:8px 16px;border-radius:999px;font-size:13px;color:#cfe0ff;margin-bottom:24px}
.hero h1{font-size:56px;line-height:1.15;font-weight:800;letter-spacing:-1.5px;margin-bottom:20px}
.hero .lead{font-size:19px;color:#b9c8e8;margin-bottom:32px;max-width:520px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hero-stats .stat 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 .stat span{color:#9fb0d0;font-size:14px}
.demo-wrap{position:relative}
.demo{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(10px);border-radius:22px;padding:28px;box-shadow:var(--shadow-lg)}
.demo-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.demo-head .d-logo{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff}
.demo-head .d-logo .dot{width:10px;height:10px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.2)}
.demo-status{font-size:13px;color:#9fb0d0}
.gauge{position:relative;width:200px;height:200px;margin:6px auto 22px}
.gauge svg{width:100%;height:100%;transform:rotate(-90deg)}
.gauge .track{fill:none;stroke:rgba(255,255,255,.10);stroke-width:12}
.gauge .bar{fill:none;stroke:url(#gGrad);stroke-width:12;stroke-linecap:round;stroke-dasharray:520;stroke-dashoffset:520;transition:stroke-dashoffset 1.2s cubic-bezier(.4,0,.2,1)}
.gauge .g-val{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge .g-val b{font-size:40px;font-weight:800;color:#fff}
.gauge .g-val span{font-size:12px;color:#9fb0d0}
.demo-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px}
.metric{background:rgba(255,255,255,.06);border-radius:12px;padding:12px;text-align:center}
.metric span{display:block;font-size:12px;color:#9fb0d0;margin-bottom:4px}
.metric b{font-size:16px;color:#fff}
.demo-node{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.06);border-radius:12px;padding:12px 16px;margin-bottom:18px;cursor:pointer}
.demo-node span{color:#e8edff;font-size:14px;display:flex;align-items:center;gap:8px}
.demo-node .flag{font-size:18px}
.demo-connect{width:100%;background:var(--grad);border:0;color:#fff;font-weight:700;font-size:16px;padding:16px;border-radius:14px;cursor:pointer;transition:.25s}
.demo-connect:hover{filter:brightness(1.08);transform:translateY(-1px)}
.demo-connect.connected{background:#22c55e}
.demo-toggle{display:flex;gap:8px;margin-top:14px}
.demo-toggle button{flex:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#cfe0ff;border-radius:10px;padding:9px;font-size:13px;cursor:pointer;transition:.2s}
.demo-toggle button.on{background:rgba(47,107,255,.35);border-color:var(--brand);color:#fff}
.features{background:var(--bg)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.fcard{background:var(--card);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.3s;border:1px solid transparent}
.fcard:hover{transform:translateY(-6px);border-color:rgba(47,107,255,.25);box-shadow:var(--shadow-lg)}
.fcard .ic{width:54px;height:54px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.fcard h3{font-size:18px;font-weight:700;margin-bottom:10px}
.fcard p{color:var(--sub);font-size:14px}
.nodes{background:linear-gradient(180deg,var(--dark) 0%,#101b36 100%);color:#fff}
.nodes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.node-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:14px;padding:18px;display:flex;align-items:center;gap:14px;transition:.25s}
.node-card:hover{background:rgba(255,255,255,.10)}
.node-card .flag{font-size:26px}
.node-card b{display:block;font-size:15px}
.node-card span{color:#9fb0d0;font-size:12px}
.node-card .ms{color:#22c55e;font-size:12px;font-weight:600}
.speed-band{display:flex;gap:36px;justify-content:center;flex-wrap:wrap;margin-top:44px;background:rgba(255,255,255,.04);border-radius:18px;padding:34px}
.speed-band .item{text-align:center}
.speed-band .item b{display:block;font-size:34px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.speed-band .item span{color:#9fb0d0;font-size:13px}
.protocol{display:flex;gap:20px;flex-wrap:wrap;justify-content:center;margin-top:36px}
.protocol .chip{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:10px 22px;font-size:14px;color:#dce6ff}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;background:var(--card);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.step .num{width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{color:var(--sub);font-size:14px}
.scenarios{background:var(--bg)}
.scen-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scen{background:var(--card);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.3s;position:relative;overflow:hidden}
.scen:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.scen .ic{font-size:34px;margin-bottom:16px}
.scen h3{font-size:18px;font-weight:700;margin-bottom:10px}
.scen p{color:var(--sub);font-size:14px}
.pricing{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.plan{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:36px 30px;text-align:center;position:relative;transition:.3s;display:flex;flex-direction:column}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.plan.popular{border:2px solid var(--brand);box-shadow:var(--shadow-lg);transform:scale(1.04)}
.plan.popular:hover{transform:scale(1.04) translateY(-6px)}
.plan .pop-badge{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:999px}
.plan h3{font-size:19px;font-weight:700;margin-bottom:6px}
.plan .desc{color:var(--sub);font-size:14px;margin-bottom:20px}
.plan .price{font-size:44px;font-weight:800;margin-bottom:4px}
.plan .price small{font-size:16px;color:var(--sub);font-weight:500}
.plan .per{color:var(--sub);font-size:13px;margin-bottom:22px}
.plan ul{text-align:left;margin-bottom:28px;flex:1}
.plan ul li{padding:8px 0;font-size:14px;color:var(--ink);display:flex;align-items:center;gap:10px}
.plan ul li::before{content:"✓";color:var(--brand2);font-weight:800}
.faq{background:var(--bg)}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border-radius:14px;margin-bottom:14px;box-shadow:var(--shadow);overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:22px 26px;font-size:17px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}
.faq-q .ic{transition:.3s;font-size:20px;color:var(--brand)}
.faq-item.open .faq-q .ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:.35s;padding:0 26px;color:var(--sub);font-size:15px}
.faq-item.open .faq-a{max-height:600px;padding:0 26px 24px}
.faq-a ol{padding-left:20px;margin-top:8px}
.faq-a ol li{margin-bottom:6px}
.testimonials{background:var(--dark);color:#fff}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:16px;padding:26px}
.testi .stars{color:#fbbf24;margin-bottom:14px;letter-spacing:2px}
.testi p{color:#c7d3ef;font-size:15px;margin-bottom:18px}
.testi .user{display:flex;align-items:center;gap:12px}
.testi .avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff}
.testi .user b{display:block;font-size:14px}
.testi .user span{color:#8fa0c4;font-size:12px}
.news{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.ncard{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.3s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.ncard img{height:190px;width:100%;object-fit:cover}
.ncard .body{padding:22px;flex:1;display:flex;flex-direction:column}
.ncard .date{font-size:12px;color:var(--sub);margin-bottom:10px}
.ncard h3{font-size:17px;font-weight:700;margin-bottom:10px;line-height:1.45}
.ncard p{color:var(--sub);font-size:14px;flex:1;margin-bottom:14px}
.ncard .more{color:var(--brand);font-weight:600;font-size:14px}
.cta{position:relative;background:radial-gradient(900px 500px at 50% 0%,#1b3a8a 0%,transparent 60%),var(--dark);color:#fff;text-align:center;padding:90px 0}
.cta h2{font-size:40px;font-weight:800;margin-bottom:16px}
.cta p{color:#b9c8e8;font-size:17px;margin-bottom:32px}
.footer{background:#070a14;color:#8fa0c4;padding:60px 0 30px}
.footer .container{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer .fbrand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;margin-bottom:16px}
.footer .fbrand img{height:30px}
.footer .about{font-size:14px;max-width:320px}
.footer h4{color:#fff;font-size:15px;margin-bottom:18px}
.footer a{display:block;color:#8fa0c4;font-size:14px;padding:6px 0;transition:.2s}
.footer a:hover{color:#fff}
.footer .bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding-top:24px;text-align:center;font-size:13px;color:#5b6b85}
.crumb{background:var(--dark);padding:150px 0 40px;color:#fff}
.crumb h1{font-size:34px;font-weight:800;margin-bottom:10px}
.crumb .bc{font-size:14px;color:#9fb0d0}
.crumb .bc a{color:#9fb0d0}
.crumb .bc a:hover{color:#fff}
.crumb .bc .sep{margin:0 8px}
.page-wrap{background:var(--bg);padding:60px 0 90px}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.article{background:var(--card);border-radius:20px;box-shadow:var(--shadow);padding:44px;overflow:hidden}
.article .art-meta{display:flex;align-items:center;gap:16px;color:var(--sub);font-size:13px;margin-bottom:22px;flex-wrap:wrap}
.article .art-cover{border-radius:14px;overflow:hidden;margin-bottom:28px}
.article h2{font-size:24px;font-weight:800;margin:30px 0 14px;padding-top:10px}
.article p{color:#3c4a63;font-size:16px;margin-bottom:18px;text-align:justify}
.article img.art-body{border-radius:12px;margin:20px 0}
.article .lead-p{font-size:18px;color:var(--ink);font-weight:500}
.article .quote{border-left:4px solid var(--brand);background:#f0f5ff;padding:16px 20px;border-radius:0 12px 12px 0;margin:20px 0;color:#33507c}
.article .data-block{background:linear-gradient(135deg,#0a0e1a,#1b3a5a);color:#fff;border-radius:14px;padding:24px;margin:20px 0}
.article .data-block b{font-size:26px;display:block;margin-bottom:4px}
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:24px}
.side-card{background:var(--card);border-radius:16px;box-shadow:var(--shadow);padding:24px}
.side-card h4{font-size:16px;font-weight:700;margin-bottom:18px;padding-left:14px;border-left:4px solid var(--brand)}
.toc{position:relative}
.toc::before{content:"";position:absolute;left:4px;top:8px;bottom:8px;width:2px;background:var(--line)}
.toc a{display:flex;align-items:center;gap:12px;padding:7px 0;color:var(--sub);font-size:14px;transition:.2s;position:relative}
.toc a::before{content:"";width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid #cdd7ea;z-index:1;flex-shrink:0;transition:.2s}
.toc a:hover{color:var(--brand)}
.toc a.active{color:var(--brand);font-weight:700}
.toc a.active::before{background:var(--brand);border-color:var(--brand)}
.rank-list a{display:flex;align-items:center;gap:12px;padding:9px 0;font-size:14px;color:var(--ink);transition:.2s}
.rank-list a:hover{color:var(--brand)}
.rank-list .rk{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;color:#fff;flex-shrink:0;transition:.2s}
.rank-list a:hover .rk{transform:scale(1.12)}
.rk-1{background:linear-gradient(135deg,#2f6bff,#00d4ff)}
.rk-2{background:linear-gradient(135deg,#f59e0b,#f97316)}
.rk-3{background:linear-gradient(135deg,#facc15,#f59e0b)}
.rk-4,.rk-5{background:#cbd5e1}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{padding:7px 15px;border-radius:999px;background:#f0f5ff;color:var(--brand);font-size:13px;transition:.2s;border:1px solid transparent}
.tag-cloud a:hover{border-color:var(--brand)}
.comments{margin-top:36px}
.comments h3{font-size:20px;font-weight:700;margin-bottom:22px}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comment .avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;flex-shrink:0}
.comment .c-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.comment .c-head b{font-size:14px}
.comment .c-head span{font-size:12px;color:var(--sub)}
.comment p{color:#3c4a63;font-size:14px}
.art-nav{display:flex;justify-content:space-between;gap:16px;margin-top:34px;flex-wrap:wrap}
.art-nav a{flex:1;min-width:200px;background:var(--bg);border-radius:12px;padding:16px;font-size:14px;color:var(--ink);transition:.2s}
.art-nav a:hover{color:var(--brand)}
.art-nav a.next{text-align:right}
.dl-hero{background:var(--dark);padding:170px 0 90px;color:#fff}
.dl-hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.dl-hero h1{font-size:46px;font-weight:800;line-height:1.2;margin-bottom:18px}
.dl-hero .lead{color:#b9c8e8;font-size:18px;margin-bottom:28px}
.dl-meta{display:flex;gap:36px;flex-wrap:wrap;margin:28px 0}
.dl-meta .item span{display:block;color:#9fb0d0;font-size:13px}
.dl-meta .item b{font-size:18px;color:#fff}
.ver-list{display:grid;gap:20px}
.ver{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;transition:.25s}
.ver:hover{box-shadow:var(--shadow-lg)}
.ver .v-info b{font-size:18px;display:block;margin-bottom:4px}
.ver .v-info span{color:var(--sub);font-size:13px}
.ver .v-perks{display:flex;gap:12px;flex-wrap:wrap}
.ver .v-perks span{font-size:12px;background:#f0f5ff;color:var(--brand);padding:4px 12px;border-radius:999px}
.sys-req{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req{background:var(--card);border-radius:14px;padding:22px;box-shadow:var(--shadow)}
.req b{display:flex;align-items:center;gap:8px;font-size:15px;margin-bottom:8px}
.req p{color:var(--sub);font-size:14px}
.err-wrap{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;background:var(--dark);color:#fff;padding:120px 24px}
.err-code{font-size:130px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.err-wrap h2{font-size:28px;margin:16px 0 12px}
.err-wrap p{color:#b9c8e8;margin-bottom:28px}
.sitemap-page{padding:60px 0 90px}
.sitemap-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.sitemap-group{background:var(--card);border-radius:16px;padding:26px;box-shadow:var(--shadow)}
.sitemap-group h3{font-size:18px;font-weight:700;margin-bottom:16px;padding-left:14px;border-left:4px solid var(--brand)}
.sitemap-group a{display:block;padding:8px 0;color:var(--sub);font-size:15px;transition:.2s}
.sitemap-group a:hover{color:var(--brand);padding-left:6px}
@media(max-width:992px){
.hero .container,.dl-hero .container{grid-template-columns:1fr;gap:40px}
.hero h1{font-size:42px}
.hero{padding:130px 0 70px}
.dl-hero h1{font-size:36px}
.nav-menu{position:fixed;top:0;right:-100%;width:78%;max-width:340px;height:100vh;background:var(--dark);flex-direction:column;align-items:flex-start;padding:90px 28px 30px;transition:.35s;gap:8px;box-shadow:-10px 0 40px rgba(0,0,0,.4);overflow-y:auto}
.nav-menu.open{right:0}
.nav-link{width:100%;color:#fff}
.dropdown{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.05);box-shadow:none;min-width:0;display:none;margin:4px 0}
.nav-item.open .dropdown{display:block}
.dropdown a{color:#cfe0ff}
.hamburger{display:flex}
.hamburger.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.features-grid,.nodes-grid,.steps{grid-template-columns:repeat(2,1fr)}
.scen-grid,.testi-grid,.news-grid,.sys-req,.sitemap-cols{grid-template-columns:repeat(2,1fr)}
.price-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
.plan.popular{transform:none}
.article-layout{grid-template-columns:1fr}
.sidebar{position:static}
.footer .container{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.hero h1{font-size:34px}
.section{padding:60px 0}
.section-head h2{font-size:28px}
.hero-stats{gap:24px}
.gauge{width:170px;height:170px}
.features-grid,.nodes-grid,.steps,.scen-grid,.testi-grid,.news-grid,.sys-req,.sitemap-cols{grid-template-columns:1fr}
.dl-meta{gap:20px}
.article{padding:26px}
.ver{flex-direction:column;align-items:flex-start}
.footer .container{grid-template-columns:1fr}
.cta h2{font-size:30px}
}
.related{margin-top:34px;border-top:1px solid var(--line);padding-top:26px}
.related h3{font-size:20px;font-weight:700;margin-bottom:18px}
.related .rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related a{display:block;background:var(--bg);border-radius:12px;padding:16px;font-size:14px;color:var(--ink);transition:.2s}
.related a:hover{color:var(--brand);transform:translateY(-3px)}
@media(max-width:768px){.related .rel-grid{grid-template-columns:1fr}}
@media(max-width:480px){
.container{padding:0 18px}
.hero h1{font-size:29px}
.hero .lead,.dl-hero .lead{font-size:16px}
.hero-cta{flex-direction:column}
.btn{width:100%}
.section-head h2{font-size:24px}
.hero-stats .stat b{font-size:24px}
}