*{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;color:#2b2640;background:#f7f6fb;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 48px}
.section-head .tag{display:inline-block;padding:6px 16px;border-radius:999px;background:#efeaff;color:#6d4aff;font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:14px}
.section-head h2{font-size:34px;line-height:1.3;color:#16122b;margin-bottom:12px}
.section-head p{color:#6b6580;font-size:16px}
.fade-up{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.fade-up.visible{opacity:1;transform:none}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:background .35s,box-shadow .35s;background:rgba(20,15,45,.15)}
.nav.scrolled{background:rgba(20,15,45,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(0,0,0,.22)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#fff;letter-spacing:.3px}
.logo img{height:34px;width:34px;object-fit:contain}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:6px;padding:10px 14px;color:rgba(255,255,255,.88);font-size:15px;font-weight:500;border-radius:8px;cursor:pointer;transition:.25s;background:none;border:none}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link .caret{font-size:10px;transition:transform .3s}
.nav-item:hover .caret,.nav-item.open .caret{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:192px;background:#fff;border-radius:12px;box-shadow:0 18px 48px rgba(20,10,60,.18);opacity:0;visibility:hidden;transform:translateY(10px);transition:.28s;padding:8px;z-index:1010}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 14px;color:#3c3654;font-size:14px;border-radius:8px;transition:.2s;white-space:nowrap}
.dropdown a:hover{background:#f3f0fb;color:#6d4aff}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;transition:.25s;border:none;line-height:1.4}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,#8b5cf6,#6d4aff 50%,#4f2df0);color:#fff;box-shadow:0 10px 28px rgba(109,74,255,.42)}
.btn-primary:hover{box-shadow:0 16px 38px rgba(109,74,255,.55)}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-lg{padding:16px 36px;font-size:16px}
.btn-sm{padding:10px 20px;font-size:14px}
.hero{position:relative;padding:160px 0 110px;background:radial-gradient(1100px 560px at 82% -10%,#3b2a7a 0%,transparent 55%),radial-gradient(700px 420px at -10% 110%,#251a55 0%,transparent 60%),linear-gradient(160deg,#1b1440,#16122b 55%,#0d0a1e);color:#fff;overflow:hidden}
.hero::before{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' stroke='%23ffffff' stroke-opacity='0.04'%3E%3Cpath d='M30 0v60M0 30h60'/%3E%3C/g%3E%3C/svg%3E")}
.hero .container{position:relative}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1{font-size:46px;line-height:1.25;margin:16px 0 20px;font-weight:800}
.hero h1 .grad{background:linear-gradient(90deg,#a78bfa,#7c5cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:#c9c2e8;font-size:17px;max-width:520px}
.hero-actions{display:flex;gap:16px;margin-top:30px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:42px;flex-wrap:wrap}
.hero-stat b{font-size:29px;font-weight:800;display:block;background:linear-gradient(90deg,#fff,#c9bfff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stat span{color:#a9a1d4;font-size:13px}
.demo{background:linear-gradient(180deg,#251c56,#191244);border:1px solid rgba(255,255,255,.13);border-radius:20px;padding:24px;box-shadow:0 32px 80px rgba(0,0,0,.42);animation:float 7s ease-in-out infinite}
.demo-head{display:flex;align-items:center;justify-content:space-between;color:#cfc8ee;font-size:13px;margin-bottom:16px;gap:10px;flex-wrap:wrap}
.demo-status{display:flex;align-items:center;gap:8px}
.demo-dot{width:9px;height:9px;border-radius:50%;background:#f43f5e;transition:.3s}
.demo.on .demo-dot{background:#34d399;box-shadow:0 0 10px #34d399}
.demo-select{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#eae6ff;border-radius:9px;padding:7px 12px;font-size:13px;outline:none;cursor:pointer}
.demo-select option{color:#16122b}
.demo-node{display:flex;align-items:center;justify-content:flex-end;gap:8px;color:#cfc8ee;font-size:12px;margin-bottom:2px;flex-wrap:wrap}
.demo-node-name{color:#eae6ff}
.demo-node-ip{color:#a99ff0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.gauge{position:relative;width:196px;height:196px;margin:16px auto}
.gauge svg{transform:rotate(-90deg);width:100%;height:100%}
.gauge .track{stroke:rgba(255,255,255,.1)}
.gauge .bar{stroke:url(#ggrad);transition:stroke-dashoffset 1.1s 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-val{font-size:36px;font-weight:800;letter-spacing:1px}
.gauge-label{color:#a9a1d4;font-size:12px;margin-top:2px}
.demo-metrics{display:flex;justify-content:space-between;gap:10px;margin-top:16px}
.demo-metric{flex:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:12px 10px;text-align:center}
.demo-metric b{display:block;font-size:18px;color:#fff}
.demo-metric span{font-size:11px;color:#a9a1d4}
.demo-conn{width:100%;margin-top:18px;padding:15px;border-radius:13px;border:none;font-size:16px;font-weight:800;cursor:pointer;background:linear-gradient(135deg,#34d399,#10b981);color:#052e1e;transition:.25s;letter-spacing:1px}
.demo.on .demo-conn{background:linear-gradient(135deg,#fb7185,#e11d48);color:#fff}
.demo-conn:hover{filter:brightness(1.08)}
.demo-toggles{display:flex;justify-content:space-between;gap:10px;margin-top:14px;flex-wrap:wrap}
.toggle-row{display:flex;align-items:center;gap:8px;color:#cfc8ee;font-size:13px}
.switch{position:relative;width:38px;height:21px;background:rgba(255,255,255,.16);border-radius:99px;cursor:pointer;transition:.3s;border:none;flex-shrink:0}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:15px;height:15px;border-radius:50%;background:#fff;transition:.3s}
.switch.on{background:linear-gradient(135deg,#8b5cf6,#6d4aff)}
.switch.on::after{left:20px}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step-card{background:#fff;border:1px solid #ece9f6;border-radius:18px;padding:32px 28px;position:relative;transition:.3s;overflow:hidden}
.step-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(60,30,140,.1)}
.step-num{font-size:52px;font-weight:900;line-height:1;background:linear-gradient(135deg,#a78bfa,#4f2df0);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:14px;display:block}
.step-card h3{font-size:19px;color:#16122b;margin-bottom:10px}
.step-card p{color:#6b6580;font-size:15px}
.step-line{position:absolute;top:44px;right:-26px;font-size:20px;color:#d8d2ee}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feat-card{background:#fff;border:1px solid #ece9f6;border-radius:16px;padding:26px 24px;transition:.3s;position:relative}
.feat-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(60,30,140,.1);border-color:#d8cfff}
.feat-icon{width:50px;height:50px;border-radius:13px;background:linear-gradient(135deg,#efe9ff,#e0d6ff);display:flex;align-items:center;justify-content:center;font-size:23px;margin-bottom:16px}
.feat-card h3{font-size:17px;color:#16122b;margin-bottom:9px}
.feat-card p{color:#6b6580;font-size:14px}
.nodes{background:radial-gradient(900px 500px at 15% 0%,#33256b 0%,transparent 60%),linear-gradient(165deg,#16122b,#221a45);color:#fff}
.nodes .section-head h2{color:#fff}
.nodes .section-head p{color:#a9a1d4}
.node-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.node-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:16px 18px;display:flex;justify-content:space-between;align-items:center;transition:.25s;cursor:pointer}
.node-card:hover{background:rgba(109,74,255,.16);border-color:rgba(167,139,250,.5);transform:translateY(-3px)}
.node-flag{font-size:22px}
.node-name{font-weight:600;font-size:15px}
.node-info{text-align:right}
.node-info b{display:block;color:#34d399;font-size:14px}
.node-info span{font-size:11px;color:#a9a1d4}
.speed-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.speed-card{background:#fff;border:1px solid #ece9f6;border-radius:18px;padding:32px;text-align:center;transition:.3s}
.speed-card:hover{box-shadow:0 18px 40px rgba(60,30,140,.1);transform:translateY(-4px)}
.speed-card b{font-size:38px;font-weight:800;background:linear-gradient(135deg,#8b5cf6,#4f2df0);-webkit-background-clip:text;background-clip:text;color:transparent}
.speed-card p{color:#6b6580;font-size:14px;margin-top:6px}
.speed-bar{height:8px;border-radius:99px;background:#f0edf8;margin-top:14px;overflow:hidden}
.speed-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#a78bfa,#4f2df0);width:0;transition:width 1.2s cubic-bezier(.4,0,.2,1)}
.proto-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.proto-card{background:#fff;border:1px solid #ece9f6;border-radius:18px;padding:30px;display:flex;gap:20px;transition:.3s}
.proto-card:hover{box-shadow:0 18px 40px rgba(60,30,140,.1)}
.proto-badge{width:56px;height:56px;border-radius:14px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff;background:linear-gradient(135deg,#8b5cf6,#4f2df0)}
.proto-card h3{font-size:18px;color:#16122b;margin-bottom:8px}
.proto-card p{color:#6b6580;font-size:14px}
.proto-tags{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
.proto-tags span{font-size:11px;padding:3px 10px;border-radius:99px;background:#f3f0fb;color:#6d4aff}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{background:#fff;border:1px solid #ece9f6;border-radius:16px;padding:28px 24px;transition:.3s}
.scene-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(60,30,140,.1);border-color:#d8cfff}
.scene-icon{width:52px;height:52px;border-radius:14px;font-size:24px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;background:linear-gradient(135deg,#efe9ff,#e0d6ff)}
.scene-card h3{font-size:17px;color:#16122b;margin-bottom:9px}
.scene-card p{color:#6b6580;font-size:14px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:#fff;border:1px solid #ece9f6;border-radius:20px;padding:34px 30px;position:relative;transition:.3s;display:flex;flex-direction:column}
.price-card:hover{box-shadow:0 20px 48px rgba(60,30,140,.12)}
.price-card.popular{border:2px solid #6d4aff;box-shadow:0 26px 60px rgba(109,74,255,.2)}
.pop-badge{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#8b5cf6,#4f2df0);color:#fff;padding:7px 20px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}
.price-name{font-size:17px;font-weight:700;color:#16122b}
.price-desc{font-size:13px;color:#9a94b3;margin:6px 0 18px}
.price-val{font-size:42px;font-weight:800;color:#16122b}
.price-val small{font-size:15px;color:#9a94b3;font-weight:500}
.price-ul{margin:22px 0 28px;flex:1}
.price-ul li{display:flex;align-items:flex-start;gap:9px;padding:7px 0;color:#5c5580;font-size:14px}
.price-ul li::before{content:"✓";color:#10b981;font-weight:800;flex-shrink:0;margin-top:1px}
.faq-item{background:#fff;border:1px solid #ece9f6;border-radius:14px;margin-bottom:14px;overflow:hidden;transition:.25s}
.faq-item.open{border-color:#d8cfff;box-shadow:0 12px 30px rgba(60,30,140,.08)}
.faq-q{padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;font-weight:600;color:#16122b;font-size:16px;background:none;border:none;width:100%;text-align:left}
.faq-q .caret{font-size:10px;transition:transform .3s;color:#9a94b3;flex-shrink:0}
.faq-item.open .caret{transform:rotate(180deg);color:#6d4aff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s ease;padding:0 24px;color:#6b6580;font-size:15px}
.faq-item.open .faq-a{max-height:640px;padding-bottom:22px}
.faq-a ol{padding-left:20px;margin-top:10px}
.faq-a ol li{padding:4px 0}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi-card{background:#fff;border-radius:16px;padding:26px;border:1px solid #ece9f6;transition:.3s}
.testi-card:hover{transform:translateY(-5px);box-shadow:0 16px 38px rgba(60,30,140,.1)}
.testi-head{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#8b5cf6,#4f2df0);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0}
.testi-name{font-weight:700;font-size:15px;color:#16122b}
.testi-role{font-size:12px;color:#9a94b3}
.stars{color:#f59e0b;font-size:13px;margin:10px 0}
.testi-card p{color:#5c5580;font-size:14px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid #ece9f6;transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(60,30,140,.12)}
.news-card img{height:180px;width:100%;object-fit:cover;transition:transform .5s}
.news-card:hover img{transform:scale(1.05)}
.news-card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-date{color:#9a94b3;font-size:12px;margin-bottom:8px}
.news-card h3{font-size:16px;line-height:1.5;color:#16122b;margin-bottom:10px;transition:.2s}
.news-card:hover h3{color:#6d4aff}
.news-card p{color:#6b6580;font-size:13px;flex:1}
.cta{background:radial-gradient(600px 300px at 80% 0%,rgba(255,255,255,.18) 0%,transparent 60%),linear-gradient(135deg,#4f2df0,#8b5cf6);border-radius:24px;padding:64px 40px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta h2{font-size:32px;margin-bottom:12px}
.cta p{color:#e4ddff;margin-bottom:28px;font-size:16px}
.footer{background:#0d0a1e;color:#9a94b3;padding:64px 0 26px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer a{display:block;padding:4px 0;color:#9a94b3;font-size:14px;transition:.2s}
.footer a:hover{color:#a78bfa}
.footer-brand p{font-size:14px;margin-top:14px;max-width:300px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding-top:22px;text-align:center;font-size:13px;color:#6d6686}
.page-hero{background:radial-gradient(900px 480px at 75% -10%,#3b2a7a 0%,transparent 55%),linear-gradient(160deg,#1b1440,#16122b 60%,#0d0a1e);color:#fff;padding:150px 0 70px}
.page-hero h1{font-size:38px;font-weight:800;margin:14px 0 12px}
.page-hero p{color:#c9c2e8;max-width:640px;font-size:16px}
.breadcrumb{display:flex;gap:8px;font-size:13px;color:#a9a1d4;flex-wrap:wrap;align-items:center}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.dl-versions{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.ver-card{background:#fff;border:1px solid #ece9f6;border-radius:18px;padding:28px 24px;text-align:center;transition:.3s;display:flex;flex-direction:column}
.ver-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(60,30,140,.12);border-color:#d8cfff}
.ver-icon{font-size:34px;margin-bottom:12px}
.ver-card h3{font-size:17px;color:#16122b}
.ver-meta{font-size:12px;color:#9a94b3;margin:8px 0 14px}
.ver-ul{text-align:left;margin-bottom:22px;flex:1}
.ver-ul li{font-size:13px;color:#5c5580;padding:5px 0;display:flex;gap:8px}
.ver-ul li::before{content:"✓";color:#10b981;font-weight:800;flex-shrink:0}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sys-card{background:#fff;border:1px solid #ece9f6;border-radius:16px;padding:24px;transition:.25s}
.sys-card:hover{border-color:#d8cfff}
.sys-card .sys-icon{font-size:24px;margin-bottom:10px}
.sys-card h3{font-size:15px;color:#16122b;margin-bottom:6px}
.sys-card p{font-size:13px;color:#6b6580}
.install-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.install-card{background:#fff;border:1px solid #ece9f6;border-radius:18px;padding:30px 24px;position:relative;transition:.3s}
.install-card:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(60,30,140,.1)}
.install-num{position:absolute;top:20px;right:22px;font-size:40px;font-weight:900;color:#efe9ff;line-height:1}
.install-card h3{font-size:17px;color:#16122b;margin-bottom:9px}
.install-card p{font-size:14px;color:#6b6580}
.news-list{display:flex;flex-direction:column;gap:22px}
.news-row{background:#fff;border:1px solid #ece9f6;border-radius:16px;padding:22px;display:grid;grid-template-columns:260px 1fr;gap:24px;transition:.3s}
.news-row:hover{box-shadow:0 16px 38px rgba(60,30,140,.12);transform:translateY(-3px)}
.news-row img{height:150px;width:100%;object-fit:cover;border-radius:12px}
.news-row h3{font-size:18px;color:#16122b;margin-bottom:10px;transition:.2s}
.news-row:hover h3{color:#6d4aff}
.news-row p{color:#6b6580;font-size:14px}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start;padding-top:44px}
.article-main{background:#fff;border:1px solid #ece9f6;border-radius:18px;padding:40px;min-width:0}
.article-cover{border-radius:14px;margin-bottom:26px;width:100%}
.article-meta{display:flex;gap:18px;color:#9a94b3;font-size:13px;flex-wrap:wrap;margin:14px 0 24px;padding-bottom:20px;border-bottom:1px dashed #f0edf8}
.article-body h2{font-size:25px;color:#16122b;margin:36px 0 16px;padding-left:14px;border-left:4px solid #6d4aff;scroll-margin-top:100px}
.article-body h3{font-size:18px;color:#16122b;margin:24px 0 10px}
.article-body p{margin-bottom:18px;color:#3c3654;font-size:16px;text-align:justify}
.article-body img{border-radius:14px;margin:22px 0;width:100%}
.article-body .hl{background:linear-gradient(180deg,transparent 55%,#efe9ff 55%)}
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border-radius:16px;border:1px solid #ece9f6;padding:22px;box-shadow:0 10px 30px rgba(30,15,80,.06)}
.side-title{display:flex;align-items:center;gap:10px;font-weight:700;color:#16122b;margin-bottom:14px;font-size:16px}
.side-title::before{content:"";width:4px;height:18px;border-radius:2px;background:linear-gradient(180deg,#8b5cf6,#4f2df0);flex-shrink:0}
.toc-item{position:relative;padding:8px 0 8px 20px;border-left:2px solid #e8e5f2;color:#6b6580;font-size:14px;cursor:pointer;transition:.2s;display:block}
.toc-item::before{content:"";position:absolute;left:-5px;top:14px;width:8px;height:8px;border-radius:50%;background:#e0dcf0;transition:.2s}
.toc-item:hover{color:#6d4aff}
.toc-item.active{color:#6d4aff;font-weight:700;border-left-color:#6d4aff}
.toc-item.active::before{background:#6d4aff}
.hot-item{display:flex;gap:12px;padding:9px 0;border-bottom:1px dashed #f0edf8;align-items:flex-start}
.hot-item:last-child{border-bottom:none}
.hot-rank{width:24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff;background:#c9c4de;flex-shrink:0;transition:.2s;margin-top:2px}
.hot-item:nth-child(1) .hot-rank{background:linear-gradient(135deg,#8b5cf6,#4f2df0)}
.hot-item:nth-child(2) .hot-rank{background:linear-gradient(135deg,#fb923c,#f97316)}
.hot-item:nth-child(3) .hot-rank{background:linear-gradient(135deg,#fbbf24,#f59e0b)}
.hot-item:hover .hot-rank{transform:scale(1.15)}
.hot-item a{font-size:14px;color:#3c3654;line-height:1.55;transition:.2s}
.hot-item:hover a{color:#6d4aff}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag{display:inline-block;padding:5px 13px;border-radius:999px;background:#f3f0fb;color:#5c5580;font-size:12px;border:1px solid transparent;transition:.2s}
.tag:hover{color:#6d4aff;border-color:#6d4aff;background:#fff}
.comments{margin-top:36px;border-top:1px solid #f0edf8;padding-top:26px}
.comments h3{font-size:19px;color:#16122b;margin-bottom:6px}
.comment{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed #f0edf8}
.comment:last-child{border-bottom:none}
.comment .avatar{width:40px;height:40px;font-size:15px}
.comment-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.comment-name{font-weight:700;font-size:14px;color:#16122b}
.comment-date{color:#9a94b3;font-size:12px}
.comment p{color:#5c5580;font-size:14px;margin-top:6px}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:32px;flex-wrap:wrap}
.article-nav a{flex:1;min-width:220px;background:#fff;border:1px solid #ece9f6;border-radius:14px;padding:16px 20px;transition:.25s;font-size:14px}
.article-nav a:hover{border-color:#6d4aff;color:#6d4aff;box-shadow:0 10px 26px rgba(60,30,140,.1)}
.article-nav .nav-label{display:block;font-size:12px;color:#9a94b3;margin-bottom:5px}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.related .news-card img{height:130px}
.err-wrap{min-height:78vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:150px 24px 60px}
.err-code{font-size:120px;font-weight:900;background:linear-gradient(135deg,#8b5cf6,#4f2df0);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.err-wrap h1{font-size:24px;color:#16122b;margin:10px 0 12px}
.err-wrap p{color:#6b6580;margin-bottom:28px}
.err-count{color:#9a94b3;font-size:13px;margin-top:20px}
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.sitemap-col{background:#fff;border:1px solid #ece9f6;border-radius:16px;padding:28px}
.sitemap-col h3{font-size:17px;color:#16122b;margin-bottom:12px;padding-left:12px;border-left:4px solid #6d4aff}
.sitemap-col a{display:block;padding:8px 0;color:#5c5580;font-size:14px;border-bottom:1px dashed #f3f0fb;transition:.2s}
.sitemap-col a:hover{color:#6d4aff;padding-left:6px}
@media(max-width:992px){
.nav-toggle{display:flex}
.nav-menu{position:fixed;top:72px;left:0;right:0;background:#171230;flex-direction:column;align-items:stretch;padding:14px 20px 24px;gap:4px;display:none;max-height:calc(100vh - 72px);overflow:auto;box-shadow:0 20px 40px rgba(0,0,0,.4)}
.nav-menu.open{display:flex}
.nav-item .dropdown{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.05);box-shadow:none;display:none;margin-top:4px;min-width:0}
.nav-item.open .dropdown{display:block}
.nav-item:hover .dropdown{display:none}
.nav-item.open:hover .dropdown{display:block}
.dropdown a{color:rgba(255,255,255,.82)}
.dropdown a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-cta .btn{padding:10px 18px;font-size:14px}
.hero{padding:140px 0 90px}
.hero-grid{grid-template-columns:1fr;gap:44px}
.demo{max-width:480px;margin:0 auto}
.feat-grid{grid-template-columns:repeat(2,1fr)}
.steps-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
.price-grid{grid-template-columns:1fr;max-width:430px;margin:0 auto}
.price-card.popular{transform:none}
.testi-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
.news-grid{grid-template-columns:repeat(2,1fr)}
.article-layout{grid-template-columns:1fr}
.sidebar{position:static;order:2}
.footer-grid{grid-template-columns:1fr 1fr}
.scene-grid{grid-template-columns:repeat(2,1fr)}
.node-grid{grid-template-columns:repeat(2,1fr)}
.install-grid{grid-template-columns:repeat(2,1fr)}
.sys-grid{grid-template-columns:repeat(2,1fr)}
.proto-grid{grid-template-columns:1fr}
.dl-versions{grid-template-columns:repeat(2,1fr)}
.related{grid-template-columns:1fr}
.speed-strip{grid-template-columns:1fr;max-width:480px;margin:0 auto}
.sitemap-grid{grid-template-columns:repeat(2,1fr)}
.news-row{grid-template-columns:1fr}
.news-row img{height:180px}
}
@media(max-width:768px){
.section{padding:60px 0}
.hero{padding:120px 0 70px}
.hero h1{font-size:33px}
.page-hero{padding:130px 0 56px}
.page-hero h1{font-size:30px}
.section-head h2{font-size:27px}
.feat-grid{grid-template-columns:1fr}
.news-grid{grid-template-columns:1fr}
.scene-grid{grid-template-columns:1fr}
.node-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr}
.sys-grid{grid-template-columns:1fr}
.install-grid{grid-template-columns:1fr}
.cta{padding:44px 22px}
.cta h2{font-size:25px}
.hero-stats{gap:26px}
.dl-versions{grid-template-columns:1fr}
.sitemap-grid{grid-template-columns:1fr}
.article-main{padding:24px 18px}
.article-body p{font-size:15px}
}
@media(max-width:480px){
.hero h1{font-size:27px}
.hero-actions{flex-direction:column}
.hero-actions .btn{width:100%}
.hero-stats{gap:20px 30px}
.hero-stat b{font-size:23px}
.node-grid{grid-template-columns:1fr}
.demo{padding:16px}
.gauge{width:150px;height:150px}
.gauge-val{font-size:28px}
.article-nav a{min-width:100%}
.err-code{font-size:84px}
.section-head h2{font-size:24px}
.price-val{font-size:34px}
.footer-grid{grid-template-columns:1fr}
}