:root{--green:#06c755;--green-d:#00a844;--green-l:#4ce08a;--teal:#00c6b2;--dark:#0b1f12;--ink:#16251b;--muted:#5b6b61;--line:#e6efe9;--bg:#f5f9f6;--card:#fff;--grad:linear-gradient(135deg,#06c755 0%,#00c6b2 100%);--grad-btn:linear-gradient(135deg,#06c755 0%,#00a844 100%);--shadow:0 10px 40px rgba(6,60,30,.12);--shadow-lg:0 24px 70px rgba(6,60,30,.2);--r:18px;--r-sm:12px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.01em}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:90px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green);background:rgba(6,199,85,.1);padding:6px 16px;border-radius:999px;margin-bottom:16px}
.section-head h2{font-size:38px;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:17px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:13px 26px;border-radius:999px;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:0 10px 24px rgba(6,199,85,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(6,199,85,.45)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.05)}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:#fff}
.btn-outline{border:1.5px solid var(--green);color:var(--green);background:transparent}
.btn-outline:hover{background:var(--green);color:#fff}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:.35s;padding:16px 0}
.nav.scrolled{background:rgba(8,24,14,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 4px 24px rgba(0,0,0,.25);padding:10px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;color:#fff}
.logo img{height:34px;width:34px;border-radius:8px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-item>a,.nav-item>button{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.92);font-size:15px;font-weight:600;padding:9px 14px;border-radius:10px;transition:.2s}
.nav-item>a:hover,.nav-item>button:hover{color:#fff;background:rgba(255,255,255,.1)}
.caret{display:inline-block;transition:transform .3s;font-size:11px}
.nav-item:hover .caret,.nav-item.open .caret{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:230px;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(10px);transition:.28s;padding:8px;z-index:1001}
.nav-item:hover .dropdown,.nav-item.open .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 14px;border-radius:9px;color:var(--ink);font-size:14px;font-weight:500;transition:.18s}
.dropdown a:hover{background:var(--bg);color:var(--green)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .btn{padding:10px 20px;font-size:14px}
.nav-burger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;border-radius:10px;background:rgba(255,255,255,.1)}
.nav-burger span{display:block;width:22px;height:2px;background:#fff;transition:.3s}
.nav-burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.active span:nth-child(2){opacity:0}
.nav-burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{position:relative;padding:170px 0 100px;background:radial-gradient(1200px 600px at 80% -10%,rgba(0,198,178,.35),transparent 60%),radial-gradient(900px 500px at 10% 20%,rgba(6,199,85,.3),transparent 55%),linear-gradient(160deg,#06230f 0%,#0b1f12 55%,#0d2b1a 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:54px;margin-bottom:20px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:19px;color:rgba(255,255,255,.82);margin-bottom:32px;max-width:520px}
.hero-btns{display:flex;gap:14px;margin-bottom:38px;flex-wrap:wrap}
.hero-stats{display:flex;gap:38px;flex-wrap:wrap}
.stat b{font-size:30px;display:block;font-weight:800}
.stat span{font-size:13px;color:rgba(255,255,255,.65)}
.sim{background:#fff;border-radius:22px;box-shadow:0 30px 80px rgba(0,0,0,.45);overflow:hidden;color:var(--ink)}
.sim-head{background:linear-gradient(135deg,#06c755,#00c6b2);color:#fff;padding:16px 18px;display:flex;align-items:center;gap:12px}
.sim-head .avatar{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.sim-head .nm{font-weight:700}
.sim-head .st{font-size:12px;opacity:.85}
.sim-body{height:320px;overflow-y:auto;padding:18px;background:#f0f7f2;display:flex;flex-direction:column;gap:10px}
.msg{max-width:78%;padding:10px 14px;border-radius:14px;font-size:14px;animation:pop .3s}
.msg.in{background:#fff;align-self:flex-start;border-bottom-left-radius:4px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.msg.out{background:var(--green);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.msg.media{padding:6px;background:#fff;box-shadow:0 4px 14px rgba(0,0,0,.1)}
.msg.media img{width:180px;border-radius:10px}
.typing{display:inline-flex;gap:4px;align-items:center;padding:12px 16px}
.typing i{width:7px;height:7px;border-radius:50%;background:#9db3a5;animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}
.typing i:nth-child(3){animation-delay:.4s}
.sim-actions{display:flex;gap:8px;padding:12px;background:#fff;border-top:1px solid var(--line);flex-wrap:wrap}
.sim-actions button{flex:1;min-width:70px;background:var(--bg);border-radius:10px;padding:10px 6px;font-size:12px;font-weight:600;color:var(--ink);transition:.2s;display:flex;flex-direction:column;align-items:center;gap:4px}
.sim-actions button:hover{background:var(--green);color:#fff}
.sim-actions .ico{font-size:18px}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.96)}to{opacity:1;transform:none}}
@keyframes blink{0%,80%,100%{opacity:.3}40%{opacity:1}}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step-card{background:var(--card);border-radius:var(--r);padding:34px 28px;box-shadow:var(--shadow);position:relative;transition:.3s}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.step-num{position:absolute;top:20px;right:24px;font-size:52px;font-weight:800;color:rgba(6,199,85,.12)}
.step-ico{width:56px;height:56px;border-radius:16px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:26px;color:#fff;margin-bottom:20px}
.step-card h3{font-size:20px;margin-bottom:10px}
.step-card p{color:var(--muted);font-size:15px}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feat-card{background:var(--card);border-radius:var(--r);padding:32px 28px;box-shadow:var(--shadow);border:1px solid transparent;transition:.3s}
.feat-card:hover{border-color:var(--green);transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.feat-ico{width:52px;height:52px;border-radius:14px;background:rgba(6,199,85,.1);display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--green);margin-bottom:18px}
.feat-card h3{font-size:19px;margin-bottom:10px}
.feat-card p{color:var(--muted);font-size:14.5px}
.data-wrap{background:linear-gradient(160deg,#06230f,#0d2b1a);border-radius:26px;padding:60px 40px;color:#fff;position:relative;overflow:hidden}
.data-perf{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;margin-bottom:48px}
.perf b{font-size:40px;display:block;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.perf span{font-size:13px;color:rgba(255,255,255,.7)}
.nodes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.node-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:18px;display:flex;align-items:center;gap:12px;transition:.25s}
.node-card:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.node-dot{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(6,199,85,.25)}
.node-card .city{font-weight:700;font-size:15px}
.node-card .ms{font-size:12px;color:rgba(255,255,255,.6)}
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.sc-card{background:var(--card);border-radius:var(--r);padding:30px 26px;box-shadow:var(--shadow);transition:.3s}
.sc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.sc-ico{font-size:30px;margin-bottom:16px}
.sc-card h3{font-size:19px;margin-bottom:10px}
.sc-card p{color:var(--muted);font-size:14.5px}
.protocols{background:var(--bg);padding:60px 0}
.protocol-tags{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.prot-tag{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:12px 26px;font-weight:700;font-size:15px;color:var(--ink);box-shadow:var(--shadow);transition:.25s;display:flex;align-items:center;gap:8px}
.prot-tag:hover{background:var(--green);color:#fff;transform:translateY(-3px)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:stretch}
.price-card{background:var(--card);border-radius:22px;padding:36px 30px;box-shadow:var(--shadow);border:1.5px solid var(--line);display:flex;flex-direction:column;transition:.3s;position:relative}
.price-card:hover{transform:translateY(-6px)}
.price-card.hot{border-color:var(--green);box-shadow:0 24px 70px rgba(6,199,85,.25);transform:scale(1.03)}
.price-card.hot:hover{transform:scale(1.03) translateY(-6px)}
.badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:6px 16px;border-radius:999px;white-space:nowrap}
.price-name{font-size:18px;font-weight:700;color:var(--muted);margin-bottom:12px}
.price-amount{font-size:46px;font-weight:800;margin-bottom:4px}
.price-amount small{font-size:16px;font-weight:500;color:var(--muted)}
.price-desc{color:var(--muted);font-size:14px;margin-bottom:24px}
.price-feats{flex:1;margin-bottom:26px}
.price-feats li{padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px;display:flex;align-items:center;gap:10px}
.price-feats li::before{content:"✓";color:var(--green);font-weight:800}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border-radius:var(--r-sm);margin-bottom:14px;box-shadow:0 4px 18px rgba(0,0,0,.05);overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-size:16.5px;font-weight:700;text-align:left;color:var(--ink)}
.faq-q .faq-arrow{transition:.3s;color:var(--green);font-size:18px;flex-shrink:0}
.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px;color:var(--muted);font-size:15px}
.faq-item.open .faq-a{max-height:600px;padding:0 24px 22px}
.faq-a ol{padding-left:20px;margin-top:6px}
.faq-a ol li{margin-bottom:4px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:var(--card);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-thumb{aspect-ratio:16/9;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.news-meta{font-size:12.5px;color:var(--muted);margin-bottom:8px;display:flex;gap:12px}
.news-body h3{font-size:17px;margin-bottom:10px}
.news-body h3 a:hover{color:var(--green)}
.news-body p{color:var(--muted);font-size:14px;flex:1;margin-bottom:14px}
.news-more{color:var(--green);font-weight:700;font-size:14px}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.testi-card{background:var(--card);border-radius:var(--r);padding:30px 26px;box-shadow:var(--shadow)}
.stars{color:#ffb400;letter-spacing:2px;margin-bottom:14px;font-size:16px}
.testi-card p{color:var(--muted);font-size:15px;margin-bottom:20px}
.testi-user{display:flex;align-items:center;gap:12px}
.testi-user .t-avatar{width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.testi-user b{display:block;font-size:15px}
.testi-user span{font-size:13px;color:var(--muted)}
.cta{position:relative;background:linear-gradient(135deg,#06c755,#00a844);color:#fff;border-radius:26px;padding:70px 40px;text-align:center;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 20% 0%,rgba(255,255,255,.25),transparent 60%)}
.cta h2{font-size:40px;margin-bottom:14px;position:relative}
.cta p{color:rgba(255,255,255,.9);margin-bottom:28px;position:relative}
.cta .btn{background:#fff;color:var(--green-d)}
.cta .btn:hover{background:#f0fff5;transform:translateY(-2px)}
.footer{background:#07160d;color:rgba(255,255,255,.7);padding:70px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:36px;margin-bottom:46px}
.footer .logo{color:#fff;margin-bottom:14px}
.footer-about{font-size:14px;color:rgba(255,255,255,.55);max-width:300px}
.footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.6);transition:.2s}
.footer-links a:hover{color:var(--green-l)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}
.page-hero{background:linear-gradient(160deg,#06230f,#0d2b1a);color:#fff;padding:150px 0 70px;text-align:center}
.page-hero h1{font-size:44px;margin-bottom:14px}
.page-hero p{color:rgba(255,255,255,.8);max-width:620px;margin:0 auto;font-size:17px}
.crumb{font-size:13px;color:var(--muted);margin:20px 0 30px}
.crumb a{color:var(--green)}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.ver-card{background:var(--card);border-radius:22px;padding:32px 26px;box-shadow:var(--shadow);border:1.5px solid var(--line);display:flex;flex-direction:column;transition:.3s}
.ver-card:hover{transform:translateY(-5px);border-color:var(--green)}
.ver-badge{display:inline-block;background:rgba(6,199,85,.1);color:var(--green);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:14px;align-self:flex-start}
.ver-card h3{font-size:22px;margin-bottom:6px}
.ver-size{color:var(--muted);font-size:14px;margin-bottom:18px}
.ver-card ul{margin-bottom:24px;flex:1}
.ver-card ul li{padding:7px 0;font-size:14.5px;display:flex;gap:9px;align-items:flex-start}
.ver-card ul li::before{content:"✓";color:var(--green);font-weight:800;flex-shrink:0}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sys-item{background:var(--card);border-radius:var(--r-sm);padding:22px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:flex-start}
.sys-item .ico{font-size:24px;color:var(--green)}
.sys-item b{display:block;font-size:15px;margin-bottom:4px}
.sys-item span{font-size:13.5px;color:var(--muted)}
.news-list{max-width:860px;margin:0 auto}
.news-item{display:flex;gap:24px;background:var(--card);border-radius:var(--r);padding:18px;margin-bottom:22px;box-shadow:var(--shadow);transition:.3s;align-items:center}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-item .ni-thumb{width:240px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;flex-shrink:0}
.news-item .ni-thumb img{width:100%;height:100%;object-fit:cover}
.news-item .ni-body{flex:1}
.news-item h2{font-size:19px;margin:8px 0}
.news-item h2 a:hover{color:var(--green)}
.article{max-width:820px;margin:0 auto}
.article-meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin:14px 0 26px;align-items:center}
.article-meta .cat{background:rgba(6,199,85,.1);color:var(--green);padding:4px 12px;border-radius:999px;font-weight:700;font-size:12.5px}
.article-cover{border-radius:18px;overflow:hidden;margin-bottom:30px;box-shadow:var(--shadow)}
.article-cover img{width:100%}
.article-body{font-size:16.5px;color:#28352d;line-height:1.9}
.article-body p{margin-bottom:20px}
.article-body h2{font-size:26px;margin:36px 0 16px;color:var(--ink)}
.article-body h2::before{content:"# ";color:var(--green)}
.article-body img{border-radius:14px;margin:22px 0;box-shadow:var(--shadow)}
.article-body blockquote{border-left:4px solid var(--green);background:rgba(6,199,85,.06);padding:18px 22px;border-radius:0 12px 12px 0;margin:22px 0;color:var(--ink);font-style:italic}
.article-nav{display:flex;justify-content:space-between;gap:14px;margin:44px 0;flex-wrap:wrap}
.article-nav a{background:var(--card);border-radius:12px;padding:14px 18px;box-shadow:var(--shadow);font-size:14px;font-weight:600;color:var(--ink);transition:.2s;max-width:46%}
.article-nav a:hover{color:var(--green)}
.article-nav a span{display:block;font-size:12px;color:var(--muted);font-weight:500}
.sitemap-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.sitemap-cols .col{background:var(--card);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.sitemap-cols h3{font-size:17px;margin-bottom:16px;color:var(--green)}
.sitemap-cols li{margin-bottom:10px}
.sitemap-cols a{font-size:14.5px;color:var(--ink)}
.sitemap-cols a:hover{color:var(--green)}
.err404{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:linear-gradient(160deg,#06230f,#0d2b1a);color:#fff;padding:40px 20px}
.err404 .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}
.err404 h1{font-size:28px;margin:16px 0 10px}
.err404 p{color:rgba(255,255,255,.75);margin-bottom:30px}
.err404 .btn{margin:0 6px}
@media(max-width:992px){.nav-links{position:fixed;top:0;right:-100%;width:300px;height:100vh;background:#0d2416;flex-direction:column;align-items:stretch;padding:90px 24px 30px;transition:.35s;gap:4px;overflow-y:auto;box-shadow:-20px 0 50px rgba(0,0,0,.4)}
.nav-links.open{right:0}
.nav-item>a,.nav-item>button{color:#fff;font-size:16px;padding:12px 10px}
.dropdown{position:static;min-width:0;background:rgba(255,255,255,.06);box-shadow:none;opacity:1;visibility:visible;transform:none;display:none;padding:6px;margin:0}
.nav-item.open .dropdown{display:block}
.dropdown a{color:rgba(255,255,255,.85)}
.nav-burger{display:flex}
.nav-cta{display:none}
.hero-grid{grid-template-columns:1fr;gap:40px}
.hero h1{font-size:40px}
.steps-grid,.features-grid,.scenarios-grid,.pricing-grid,.testi-grid,.news-grid,.ver-grid,.sys-grid,.sitemap-cols{grid-template-columns:repeat(2,1fr)}
.data-perf{grid-template-columns:repeat(2,1fr)}
.nodes-grid{grid-template-columns:repeat(3,1fr)}
.price-card.hot{transform:none}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){.section{padding:64px 0}
.section-head h2{font-size:30px}
.hero{padding:140px 0 70px}
.hero h1{font-size:34px}
.news-item{flex-direction:column}
.news-item .ni-thumb{width:100%}
.nodes-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){.container{padding:0 16px}
.steps-grid,.features-grid,.scenarios-grid,.pricing-grid,.testi-grid,.news-grid,.ver-grid,.sys-grid,.sitemap-cols{grid-template-columns:1fr}
.data-perf{grid-template-columns:1fr 1fr}
.nodes-grid{grid-template-columns:1fr 1fr}
.hero h1{font-size:30px}
.hero-stats{justify-content:space-between;gap:16px}
.stat b{font-size:24px}
.section-head h2{font-size:26px}
.footer-grid{grid-template-columns:1fr}
.cta h2{font-size:30px}
.page-hero h1{font-size:32px}
}