*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:#081120;color:#e9f1ff;line-height:1.65;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
:root{--bg:#081120;--card:#101d33;--card2:#132340;--line:#1e3152;--txt:#e9f1ff;--mut:#93a6c8;--pri:#00d4ff;--pri2:#2b6bff;--grad:linear-gradient(135deg,#00d4ff,#2b6bff);--warn:#ffb020}
.container{width:min(1180px,92%);margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:50px;font-weight:700;font-size:15px;cursor:pointer;transition:.25s;border:0;line-height:1.2}
.btn-primary{background:var(--grad);color:#04101f;box-shadow:0 8px 24px rgba(0,180,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,180,255,.4)}
.btn-outline{border:2px solid #2d4a7c;color:#cfe2ff;background:transparent}
.btn-outline:hover{border-color:#00d4ff;color:#00d4ff;transform:translateY(-2px)}
.btn-lg{padding:16px 36px;font-size:16px}
.badge{display:inline-block;padding:5px 14px;border-radius:50px;font-size:12.5px;font-weight:600;letter-spacing:.5px}
.badge-grad{background:rgba(0,212,255,.12);color:#00d4ff;border:1px solid rgba(0,212,255,.35)}
.sec{padding:84px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 52px}
.sec-kicker{display:inline-block;color:#00d4ff;font-weight:700;font-size:14px;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.sec-title{font-size:clamp(26px,4vw,38px);font-weight:800;letter-spacing:.5px}
.sec-sub{color:var(--mut);margin-top:12px;font-size:16px}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(8,17,32,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(30,49,82,.6)}
html.js .nav{background:rgba(8,17,32,.42)}
html.js .nav.scrolled{background:rgba(8,17,32,.88);box-shadow:0 8px 30px rgba(0,0,0,.35)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}
.nav-logo img{width:34px;height:34px;border-radius:8px}
.nav-logo em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu>li{position:relative}
.nav-menu>li>a,.nav-menu details>summary{display:flex;align-items:center;gap:5px;padding:10px 16px;border-radius:10px;font-size:15px;font-weight:600;color:#d5e3ff;cursor:pointer;list-style:none}
.nav-menu>li>a:hover,.nav-menu details>summary:hover{color:#00d4ff;background:rgba(0,212,255,.08)}
.nav-menu summary::-webkit-details-marker{display:none}
.caret{display:inline-block;transition:.3s;font-size:11px;color:#7f97c4}
details[open] summary .caret{transform:rotate(180deg)}
@media(min-width:993px){.drop details:hover .dropdown{opacity:1;visibility:visible}}
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:200px;background:#12233f;border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:0 18px 44px rgba(0,0,0,.45);opacity:0;visibility:hidden;transition:.25s;z-index:10}
details[open]>.dropdown{opacity:1;visibility:visible}
.dropdown a{display:block;padding:10px 14px;border-radius:9px;color:#b9cbe9;font-size:14px;transition:.2s}
.dropdown a:hover{background:rgba(0,212,255,.1);color:#00d4ff;padding-left:18px}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-dl{padding:9px 20px;font-size:14px}
.nav-burger{display:none;background:none;border:0;cursor:pointer;padding:8px;font-size:0}
.nav-burger span{display:block;width:24px;height:2.5px;background:#d5e3ff;margin:5px 0;border-radius:2px;transition:.3s}
#navtoggle{display:none}
#navtoggle:checked~.nav-burger span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
#navtoggle:checked~.nav-burger span:nth-child(2){opacity:0}
#navtoggle:checked~.nav-burger span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.hero{position:relative;padding:150px 0 90px;background:radial-gradient(900px 500px at 80% -10%,rgba(43,107,255,.25),transparent 60%),radial-gradient(700px 420px at 10% 20%,rgba(0,212,255,.14),transparent 55%)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(30px,4.6vw,48px);font-weight:900;letter-spacing:.5px;line-height:1.22}
.hero h1 .glow{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{color:#b9cbe9;font-size:17px;margin:18px 0 26px;max-width:520px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap;border-top:1px solid rgba(30,49,82,.7);padding-top:26px}
.hstat b{display:block;font-size:26px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hstat span{color:var(--mut);font-size:13.5px}
.demo{background:linear-gradient(160deg,#101d33,#0c1830);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 30px 70px rgba(0,0,0,.45),0 0 0 1px rgba(0,212,255,.06);position:relative}
.demo-bar{display:flex;align-items:center;gap:6px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px}
.demo-bar i{width:11px;height:11px;border-radius:50%;display:inline-block}
.demo-bar i:nth-child(1){background:#ff5f57}
.demo-bar i:nth-child(2){background:#febc2e}
.demo-bar i:nth-child(3){background:#28c840}
.demo-bar b{margin-left:auto;font-size:12.5px;color:#7f97c4;font-weight:600}
.demo-status{display:flex;align-items:center;justify-content:space-between;background:rgba(0,212,255,.07);border:1px solid rgba(0,212,255,.22);border-radius:12px;padding:10px 16px;margin-bottom:14px;font-size:14px;color:#b9cbe9}
.demo-status .dot{width:9px;height:9px;border-radius:50%;background:#28c840;box-shadow:0 0 10px #28c840;margin-right:8px;display:inline-block;animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}
.demo-status b{color:#fff}
.demo input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.demo-nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}
.demo-nodes label{display:block;text-align:center;padding:8px 4px;border-radius:10px;border:1px solid var(--line);font-size:12.5px;color:#93a6c8;cursor:pointer;transition:.2s;font-weight:600}
.demo .rd-1:checked~.demo-nodes label[for=gn1],.demo .rd-2:checked~.demo-nodes label[for=gn2],.demo .rd-3:checked~.demo-nodes label[for=gn3],.demo .rd-4:checked~.demo-nodes label[for=gn4]{border-color:#00d4ff;color:#00d4ff;background:rgba(0,212,255,.1);box-shadow:0 0 14px rgba(0,212,255,.18)}
.demo-nodes label:hover{border-color:#2d4a7c;color:#cfe2ff}
.nodeinfo{font-size:13px;color:#7f97c4;margin-bottom:16px;padding:0 2px}
.nodeinfo span{display:none}
.demo input.rd-1:checked~.nodeinfo .nd-1,.demo input.rd-2:checked~.nodeinfo .nd-2,.demo input.rd-3:checked~.nodeinfo .nd-3,.demo input.rd-4:checked~.nodeinfo .nd-4{display:inline}
.gauge-wrap{display:flex;align-items:center;justify-content:center;gap:26px;padding:10px 0 18px}
.gauge{position:relative;width:150px;height:150px;flex-shrink:0}
.gauge svg{transform:rotate(-90deg)}
.gauge .track{fill:none;stroke:#1e3152;stroke-width:10}
.gauge .bar{fill:none;stroke:url(#ggrad);stroke-width:10;stroke-linecap:round;stroke-dasharray:283;stroke-dashoffset:96;transition:stroke-dashoffset 1.2s ease}
#gconnect:checked~.gauge-wrap .gauge .bar{stroke-dashoffset:35;animation:gspin 2.4s linear infinite}
@keyframes gspin{50%{stroke-dashoffset:20}}
.gauge .gnum{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge .gv{font-size:26px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.gauge .gl{font-size:11.5px;color:#7f97c4;letter-spacing:1px}
.gmeta{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:center}
.gmeta div{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;padding:12px 8px}
.gmeta b{display:block;font-size:19px;color:#e9f1ff}
.gmeta span{font-size:12px;color:#7f97c4}
.connect-btn{display:flex;align-items:center;justify-content:center;gap:9px;margin-top:18px;padding:14px;border-radius:14px;background:var(--grad);color:#04101f;font-weight:800;font-size:16px;cursor:pointer;transition:.25s;box-shadow:0 8px 22px rgba(0,180,255,.3)}
.connect-btn:hover{transform:translateY(-2px)}
#gconnect:checked~.connect-btn{background:#0f2a3d;color:#7fd8ff;border:1px solid rgba(0,212,255,.4);box-shadow:none}
#gconnect:checked~.demo-status .st-txt::after{content:"已连接 · 加密隧道建立";color:#4ade80}
.st-txt::after{content:"未连接 · 点击下方按钮开始加速";color:#ffb020}
.demo-toggles{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.demo-toggles label{display:flex;align-items:center;gap:8px;font-size:13px;color:#93a6c8;cursor:pointer}
.sw{width:38px;height:21px;border-radius:20px;background:#1e3152;position:relative;transition:.25s;flex-shrink:0}
.sw::after{content:"";position:absolute;top:3px;left:3px;width:15px;height:15px;border-radius:50%;background:#7f97c4;transition:.25s}
.demo-toggles input:checked+label .sw{background:var(--grad)}
.demo-toggles input:checked+label .sw::after{left:20px;background:#04101f}
.stats{background:linear-gradient(180deg,#0a1526,#081120)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;transition:.3s;position:relative;overflow:hidden}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:.3s}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(0,212,255,.4)}
.stat-card:hover::before{opacity:1}
.stat-ico{font-size:26px;margin-bottom:10px;display:block}
.stat-card b{font-size:30px;font-weight:800;display:block;letter-spacing:.5px}
.stat-card span{color:var(--mut);font-size:14px}
.features{background:#0a1526}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 24px;transition:.3s}
.feat-card:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.45);box-shadow:0 18px 40px rgba(0,0,0,.4)}
.feat-ico{width:52px;height:52px;border-radius:14px;background:rgba(0,212,255,.1);display:flex;align-items:center;justify-content:center;font-size:25px;margin-bottom:16px}
.feat-card h3{font-size:18px;margin-bottom:8px}
.feat-card p{color:var(--mut);font-size:14.5px}
.nodes-sec{position:relative;overflow:hidden}
.nodes-sec::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 380px at 50% 0%,rgba(0,212,255,.08),transparent 60%)}
.nodes-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;position:relative}
.node-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.node-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;align-items:center;gap:14px;transition:.3s}
.node-card:hover{transform:translateY(-4px);border-color:rgba(0,212,255,.4)}
.node-flag{width:44px;height:44px;border-radius:12px;background:rgba(0,212,255,.1);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.node-card b{display:block;font-size:15.5px}
.node-card span{color:#7f97c4;font-size:12.5px}
.node-card .lat{margin-left:auto;text-align:right;color:#4ade80;font-weight:700;font-size:14px;flex-shrink:0}
.speed-panel{background:linear-gradient(165deg,#101d33,#0b1b36);border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:16px}
.speed-panel h3{font-size:19px}
.speed-bar{margin-top:4px}
.speed-bar .row{display:flex;justify-content:space-between;font-size:13.5px;color:#93a6c8;margin-bottom:6px}
.speed-bar .row b{color:#e9f1ff}
.track{height:8px;border-radius:8px;background:#1e3152;overflow:hidden}
.fill{height:100%;border-radius:8px;background:var(--grad);width:var(--w)}
html.js .fill{width:0;transition:width 1.2s}
html.js .speed-bar.in .fill{width:var(--w)}
.speed-note{font-size:13px;color:#7f97c4;border-top:1px dashed var(--line);padding-top:14px}
.scenarios{background:#0a1526}
.sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sc-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;transition:.3s}
.sc-card:hover{transform:translateY(-5px);border-color:rgba(0,212,255,.45)}
.sc-ico{font-size:28px;margin-bottom:12px;display:block}
.sc-card h3{font-size:17px;margin-bottom:8px}
.sc-card p{color:var(--mut);font-size:14px}
.steps{position:relative}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:st}
.step-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 22px;position:relative;transition:.3s}
.step-card:hover{transform:translateY(-4px)}
.step-num{width:40px;height:40px;border-radius:12px;background:var(--grad);color:#04101f;font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step-card h3{font-size:16.5px;margin-bottom:7px}
.step-card p{color:var(--mut);font-size:13.5px}
.pricing{background:#0a1526}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px 28px;display:flex;flex-direction:column;transition:.3s;position:relative}
.price-card:hover{transform:translateY(-6px)}
.price-card.hot{border-color:#00d4ff;box-shadow:0 20px 50px rgba(0,180,255,.16);background:linear-gradient(180deg,#122540,#101d33)}
.price-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#04101f;font-size:12.5px;font-weight:800;padding:6px 18px;border-radius:50px;white-space:nowrap}
.price-name{font-size:16px;font-weight:700;margin-bottom:14px}
.price-amount{font-size:38px;font-weight:900;letter-spacing:.5px}
.price-amount small{font-size:15px;color:var(--mut);font-weight:600}
.price-per{color:#7f97c4;font-size:13px;margin:4px 0 18px}
.price-list{flex:1;display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.price-list li{font-size:14px;color:#b9cbe9;display:flex;gap:9px;align-items:flex-start}
.price-list li::before{content:"✓";color:#00d4ff;font-weight:800;flex-shrink:0}
.price-card .btn{width:100%}
.faq{background:#081120}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
details.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
details.faq-item[open]{border-color:rgba(0,212,255,.4)}
.faq-item summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 22px;cursor:pointer;font-weight:700;font-size:15.5px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .plus{width:26px;height:26px;border-radius:8px;background:rgba(0,212,255,.12);color:#00d4ff;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0;transition:.3s;font-size:16px}
details[open]>.faq-q .plus{transform:rotate(45deg)}
.faq-a{padding:0 22px 20px;color:var(--mut);font-size:14.5px}
.faq-a ol{padding-left:20px;list-style:decimal}
.faq-a li{margin:6px 0}
.testi{background:#0a1526}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.testi-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;transition:.3s}
.testi-card:hover{transform:translateY(-5px);border-color:rgba(0,212,255,.4)}
.testi-stars{color:#ffb020;letter-spacing:2px;margin-bottom:12px;font-size:14px}
.testi-card p{color:#b9cbe9;font-size:14px;margin-bottom:16px}
.testi-user{display:flex;align-items:center;gap:11px}
.testi-ava{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#04101f;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.testi-user b{display:block;font-size:14px}
.testi-user span{color:#7f97c4;font-size:12px}
.news{background:#081120}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.45);box-shadow:0 18px 40px rgba(0,0,0,.4)}
.news-card .nc-img{aspect-ratio:16/9;overflow:hidden}
.news-card img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover img{transform:scale(1.06)}
.nc-body{padding:20px;display:flex;flex-direction:column;flex:1}
.nc-date{color:#7f97c4;font-size:12.5px;margin-bottom:8px}
.nc-body h3{font-size:16.5px;line-height:1.45;margin-bottom:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nc-body h3 a:hover{color:#00d4ff}
.nc-body p{color:var(--mut);font-size:13.5px;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nc-more{margin-top:auto;color:#00d4ff;font-weight:700;font-size:13.5px}
.cta{position:relative;padding:110px 0;text-align:center;background:radial-gradient(800px 400px at 50% 120%,rgba(43,107,255,.35),transparent 70%)}
.cta h2{font-size:clamp(26px,4vw,40px);font-weight:900;margin-bottom:14px}
.cta p{color:#b9cbe9;margin-bottom:30px;font-size:16px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.footer{background:#060d1a;border-top:1px solid var(--line);padding:64px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.footer-brand p{color:var(--mut);font-size:14px;margin-top:14px;max-width:300px}
.footer h4{font-size:15.5px;margin-bottom:16px;color:#e9f1ff}
.footer-col a{display:block;color:var(--mut);font-size:14px;padding:6px 0;transition:.2s}
.footer-col a:hover{color:#00d4ff;padding-left:6px}
.footer-bot{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.footer-bot p{color:#7f97c4;font-size:13px}
.footer-bot a{color:#7f97c4;font-size:13px;margin-right:16px}
.footer-bot a:hover{color:#00d4ff}
.backtop{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:14px;background:var(--grad);color:#04101f;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;z-index:900;box-shadow:0 10px 26px rgba(0,180,255,.35);transition:.3s}
html.js .backtop{opacity:0;visibility:hidden}
html.js .backtop.show{opacity:1;visibility:visible}
.page-head{padding:150px 0 50px;text-align:center;background:radial-gradient(700px 340px at 50% -20%,rgba(0,212,255,.16),transparent 65%)}
.page-head h1{font-size:clamp(28px,4.4vw,42px);font-weight:900}
.page-head p{color:var(--mut);margin-top:12px;font-size:16px}
.crumb{display:flex;justify-content:center;gap:8px;font-size:13.5px;color:#7f97c4;margin-top:16px}
.crumb a:hover{color:#00d4ff}
.dl-hero{padding:130px 0 70px}
.dl-hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.dl-hero h1{font-size:clamp(28px,4.4vw,44px);font-weight:900;line-height:1.25}
.dl-hero h1 .glow{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.dl-hero p{color:#b9cbe9;margin:16px 0 24px;font-size:16px;max-width:500px}
.dl-meta{display:flex;gap:30px;flex-wrap:wrap;border-top:1px solid rgba(30,49,82,.7);padding-top:22px;margin-top:8px}
.dl-meta div b{display:block;font-size:17px}
.dl-meta div span{color:var(--mut);font-size:12.5px}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ver-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;transition:.3s;display:flex;flex-direction:column}
.ver-card:hover{transform:translateY(-5px);border-color:rgba(0,212,255,.4)}
.ver-card.hot{border-color:#00d4ff}
.ver-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.ver-ico{font-size:26px}
.ver-top b{font-size:17px}
.ver-size{color:#7f97c4;font-size:12.5px;margin-left:auto}
.ver-list{flex:1;margin-bottom:20px;display:flex;flex-direction:column;gap:8px}
.ver-list li{font-size:13.5px;color:#b9cbe9;display:flex;gap:8px}
.ver-list li::before{content:"✓";color:#00d4ff;font-weight:800}
.ver-card .btn{width:100%}
.sysreq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sysreq-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;transition:.3s}
.sysreq-card:hover{border-color:rgba(0,212,255,.4)}
.sysreq-card b{display:block;font-size:15.5px;margin:10px 0 6px}
.sysreq-card span{color:var(--mut);font-size:13.5px}
.install-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.article-wrap{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start;padding:40px 0 80px}
.article{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:38px;overflow:hidden}
.article .art-cover{border-radius:14px;overflow:hidden;margin-bottom:26px}
.article .art-cover img{width:100%;height:auto}
.art-meta{display:flex;gap:18px;flex-wrap:wrap;color:#7f97c4;font-size:13px;margin-bottom:16px}
.article h1{font-size:clamp(22px,3vw,30px);line-height:1.4;margin-bottom:20px;font-weight:900}
.article .lead{background:rgba(0,212,255,.06);border-left:3px solid #00d4ff;border-radius:10px;padding:16px 20px;color:#cfe2ff;font-size:15px;margin-bottom:26px}
.article h2{font-size:21px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--grad);border-image:var(--grad) 1;font-weight:800}
.article p{color:#b9cbe9;font-size:15.5px;margin-bottom:18px;text-align:justify}
.article .art-img{border-radius:14px;overflow:hidden;margin:22px 0}
.article blockquote{background:rgba(255,255,255,.03);border:1px solid var(--line);border-left:3px solid #ffb020;border-radius:10px;padding:16px 20px;color:#dce8ff;font-size:15px;margin:20px 0;font-style:italic}
.article .datatable{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.article .datatable th{background:rgba(0,212,255,.1);color:#00d4ff;padding:11px 14px;text-align:left;border:1px solid var(--line)}
.article .datatable td{padding:10px 14px;border:1px solid var(--line);color:#b9cbe9}
.article .art-end{border-top:1px solid var(--line);padding-top:22px;margin-top:30px}
.comments{margin-top:36px;border-top:1px solid var(--line);padding-top:28px}
.comments h3{font-size:18px;margin-bottom:20px}
.comment{display:flex;gap:13px;padding:16px 0;border-bottom:1px dashed rgba(30,49,82,.8)}
.comment:last-child{border-bottom:0}
.comment .c-ava{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#04101f;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}
.comment b{font-size:14px;display:block}
.comment .c-date{color:#7f97c4;font-size:12px;margin-left:8px}
.comment p{color:#b9cbe9;font-size:14px;margin-top:4px;text-align:left}
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.side-card h3{font-size:15.5px;padding-left:12px;border-left:4px solid #00d4ff;line-height:1.3;margin-bottom:16px}
.toc-list{position:relative;padding-left:18px}
.toc-list::before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc-list li{position:relative;padding:7px 0}
.toc-list li::before{content:"";position:absolute;left:-18px;top:15px;width:10px;height:10px;border-radius:50%;background:#1e3152;border:2px solid #2d4a7c}
.toc-list a{font-size:13.5px;color:#93a6c8;transition:.2s;display:block;line-height:1.4}
.toc-list a:hover{color:#00d4ff}
html.js .toc-list a.active{color:#00d4ff;font-weight:700}
.hot-list{counter-reset:h}
.hot-list li{display:flex;align-items:flex-start;gap:11px;padding:10px 0;border-bottom:1px dashed rgba(30,49,82,.8);counter-increment:h}
.hot-list li:last-child{border-bottom:0}
.hot-badge{width:26px;height:26px;border-radius:8px;background:#2d4a7c;color:#9db4d8;font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:.25s}
.hot-list li:nth-child(1) .hot-badge{background:linear-gradient(135deg,#00d4ff,#2b6bff);color:#04101f}
.hot-list li:nth-child(2) .hot-badge{background:linear-gradient(135deg,#ff9d2e,#ff6a00);color:#04101f}
.hot-list li:nth-child(3) .hot-badge{background:linear-gradient(135deg,#ffd75e,#f7b500);color:#04101f}
.hot-list a{font-size:13.5px;color:#b9cbe9;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-list li:hover .hot-badge{transform:scale(1.12)}
.hot-list a:hover{color:#00d4ff}
.cat-tags{display:flex;flex-wrap:wrap;gap:9px}
.cat-tags a{font-size:12.5px;padding:7px 14px;border-radius:50px;border:1px solid var(--line);color:#93a6c8;transition:.2s}
.cat-tags a:hover{border-color:#00d4ff;color:#00d4ff;background:rgba(0,212,255,.08)}
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:30px;flex-wrap:wrap}
.pager a{flex:1;min-width:180px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;transition:.25s;font-size:14px;color:#b9cbe9}
.pager a:hover{border-color:#00d4ff}
.pager a b{display:block;color:#00d4ff;font-size:12px;margin-bottom:5px}
.pager a.next{text-align:right}
.pager .back{flex:0 0 auto;text-align:center;color:#93a6c8}
.nf{min-height:78vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:140px 20px 80px}
.nf h1{font-size:110px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.nf p{color:var(--mut);margin:16px 0 28px;font-size:16px}
.smap-sec{background:#081120}
.smap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.smap-col{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.smap-col h3{font-size:16px;margin-bottom:14px;padding-left:12px;border-left:4px solid #00d4ff;line-height:1.3}
.smap-col a{display:block;color:var(--mut);font-size:14px;padding:7px 0;transition:.2s}
.smap-col a:hover{color:#00d4ff;padding-left:6px}
.reveal{transition:opacity .7s ease,transform .7s ease}
html.js .reveal{opacity:0;transform:translateY(26px)}
html.js .reveal.in{opacity:1;transform:none}
@media(max-width:992px){
.nav-burger{display:block;order:3}
#navtoggle:checked~.nav-menu{max-height:76vh;opacity:1;visibility:visible}
.nav-menu{position:absolute;top:66px;left:0;right:0;background:#0c1830;flex-direction:column;align-items:stretch;gap:4px;padding:14px 16px 20px;border-bottom:1px solid var(--line);max-height:0;overflow-y:auto;opacity:0;visibility:hidden;transition:.3s}
.nav-menu>li{width:100%}
.nav-menu>li>a,.nav-menu details>summary{width:100%;justify-content:space-between;font-size:15.5px}
.dropdown{position:static;transform:none;min-width:0;opacity:1;visibility:visible;display:none;box-shadow:none;background:rgba(255,255,255,.03);border:none;margin:4px 0 6px;padding:0}
details[open]>.dropdown{display:block}
.dropdown a{padding:10px 16px;border-radius:8px}
.nav-right .nav-dl{display:none}
.hero-in,.dl-hero-in{grid-template-columns:1fr;gap:36px}
.hero,.dl-hero{padding:120px 0 60px}
.feat-grid,.sc-grid,.news-grid,.ver-grid,.sysreq-grid{grid-template-columns:repeat(2,1fr)}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.nodes-grid{grid-template-columns:1fr}
.steps-grid,.install-grid{grid-template-columns:repeat(2,1fr)}
.testi-grid{grid-template-columns:repeat(2,1fr)}
.article-wrap{grid-template-columns:1fr}
.sidebar{position:static;order:3}
.article{padding:26px}
.smap-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.price-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}
.footer-grid{grid-template-columns:1fr 1fr}
.sec{padding:62px 0}
.feat-grid,.sc-grid,.news-grid,.ver-grid,.sysreq-grid,.testi-grid,.steps-grid,.install-grid,.smap-grid{grid-template-columns:1fr}
.node-list{grid-template-columns:1fr}
.demo-nodes{grid-template-columns:repeat(2,1fr)}
.article{padding:20px;border-radius:16px}
.article p{text-align:left}
.nf h1{font-size:80px}
}
@media(max-width:480px){
.hero-btns,.cta-btns{flex-direction:column}
.hero-btns .btn,.cta-btns .btn{width:100%}
.hero-stats{gap:20px}
.gauge-wrap{flex-direction:column;gap:14px}
.footer-grid{grid-template-columns:1fr}
.hstat b{font-size:22px}
.art-meta{gap:10px}
.pager a{min-width:100%}
}

.policy{max-width:900px;margin:0 auto}