:root{--ink:#071a33;--blue:#0878ff;--sky:#00b7ff;--paper:#f4f8fc;--muted:#627087;--line:#dce7f2;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 Arial,"Microsoft YaHei",sans-serif}a{color:inherit}img{max-width:100%}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.bar{background:#fff;border-bottom:1px solid var(--line)}.bar .wrap{min-height:74px;display:flex;align-items:center;gap:28px}.brand{font-size:21px;font-weight:900;letter-spacing:.08em;text-decoration:none}.brand b{color:var(--blue)}.nav{display:flex;gap:22px;flex:1}.nav a{font-size:14px;font-weight:700;text-decoration:none}.nav a:hover,.nav a.on{color:var(--blue)}.nav-action{background:var(--blue);color:#fff;padding:9px 15px;font-size:14px;font-weight:800;text-decoration:none}.mobile-note{display:none}.btn{display:inline-block;border:1px solid var(--blue);background:var(--blue);color:#fff;padding:12px 20px;font-weight:800;text-decoration:none}.btn.ghost{background:transparent;border-color:currentColor}.eyebrow{margin:0 0 12px;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.16em}.section{padding:82px 0}.section h2{font-size:clamp(28px,4vw,43px);line-height:1.15;letter-spacing:-.035em;margin:0 0 18px}.intro{max-width:700px;color:var(--muted);font-size:18px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}.card{background:#fff;border:1px solid var(--line);padding:28px}.card h3{font-size:20px;margin:0 0 8px}.card p{color:var(--muted);margin:0}.foot{background:#061831;color:#d5e1f1;padding:54px 0 25px}.foot-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:28px}.foot a{display:block;margin:7px 0;color:#d5e1f1;text-decoration:none;font-size:14px}.foot h4{color:#fff;margin:0 0 13px}.copyright{margin-top:42px;border-top:1px solid #24405f;padding-top:18px;color:#9fb1c6;font-size:13px}.home-hero{overflow:hidden;background:radial-gradient(circle at 78% 22%,#176bc5 0,transparent 25%),linear-gradient(118deg,#06152c,#0a3c7e);color:#fff}.home-hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;min-height:620px;align-items:center;gap:50px}.home-hero h1{max-width:720px;font-size:clamp(43px,6vw,74px);line-height:1.04;letter-spacing:-.06em;margin:0}.home-hero p{color:#d5eaff;font-size:19px;max-width:630px}.hero-actions{display:flex;gap:13px;margin-top:29px}.hero-actions .ghost{color:#fff}.route-board{position:relative;min-height:390px;border:1px solid #78beff55;background:linear-gradient(135deg,#0e3569,#0a1d3a);box-shadow:22px 25px 0 #ffffff10}.route-board:before{content:"";position:absolute;inset:40px;background:repeating-linear-gradient(90deg,#9dceff16 0 1px,transparent 1px 56px),repeating-linear-gradient(0deg,#9dceff12 0 1px,transparent 1px 56px)}.node{position:absolute;z-index:1;padding:8px 11px;background:#fff;color:var(--ink);font-size:13px;font-weight:800;box-shadow:0 8px 20px #0004}.node:before{content:"";position:absolute;width:12px;height:12px;background:var(--sky);border-radius:50%;left:-6px;top:50%;transform:translateY(-50%)}.node.la{left:12%;bottom:26%}.node.cn{right:12%;top:20%}.node.cera{right:20%;bottom:19%}.home-strip{margin-top:-42px;position:relative;z-index:1}.home-strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);box-shadow:0 20px 55px #061a3320}.metric{padding:21px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric b{display:block;font-size:22px}.metric span{font-size:13px;color:var(--muted)}.feature-band{background:#e7f4ff}.product-hero{padding:74px 0;background:#fff;border-bottom:1px solid var(--line)}.product-hero .wrap{display:grid;grid-template-columns:1fr 380px;gap:50px;align-items:end}.product-hero h1{font-size:clamp(39px,5vw,62px);line-height:1.05;letter-spacing:-.055em;margin:0}.spec-box{background:var(--ink);color:#fff;padding:26px}.spec-box b{display:block;font-size:29px}.spec-box span{color:#b8d8f9;font-size:14px}.plans{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:34px}.plan{background:#fff;border:1px solid var(--line);padding:21px;display:flex;flex-direction:column}.plan.hot{border:2px solid var(--blue);box-shadow:0 15px 34px #0878ff22}.plan h3{font-size:17px;margin:0}.price{font-size:28px;font-weight:900;margin:14px 0}.price small{font-size:12px;color:var(--muted)}.plan ul{padding-left:17px;color:var(--muted);font-size:13px;flex:1}.plan .btn{font-size:13px;text-align:center;padding:9px}.dedicated-hero{background:#071a33;color:#fff;padding:92px 0}.dedicated-hero h1{font-size:clamp(41px,6vw,72px);line-height:1.02;letter-spacing:-.06em;max-width:790px;margin:0}.dedicated-hero p{max-width:720px;color:#c4dcf8;font-size:18px}.server-table{width:100%;border-collapse:collapse;background:#fff;margin-top:32px}.server-table th{background:#eaf4ff;text-align:left}.server-table th,.server-table td{padding:16px;border:1px solid var(--line);font-size:14px}.server-table td:last-child{text-align:right}.server-table .btn{padding:8px 12px;font-size:13px}.network-hero{background:linear-gradient(135deg,#030f23,#092e62);color:#fff;padding:105px 0}.network-hero h1{font-size:clamp(43px,6vw,75px);letter-spacing:-.06em;line-height:1.02;margin:0}.network-map{background:#071d3b;min-height:430px;position:relative;overflow:hidden}.network-map:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 22% 52%,#1ca7ff45,transparent 18%),radial-gradient(ellipse at 70% 35%,#1ca7ff45,transparent 20%),repeating-linear-gradient(90deg,#fff1 0 1px,transparent 1px 72px),repeating-linear-gradient(0deg,#fff1 0 1px,transparent 1px 72px)}.network-map .node{background:#fff}.network-map .n1{left:14%;top:58%}.network-map .n2{left:62%;top:34%}.network-map .n3{right:10%;bottom:25%}.faq-hero{padding:85px 0 45px;background:#fff}.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.faq-list details{background:#fff;border:1px solid var(--line);padding:18px 20px}.faq-list summary{cursor:pointer;font-weight:800}.faq-list p{color:var(--muted);margin:13px 0 0}.prose{background:#fff;border:1px solid var(--line);padding:clamp(27px,5vw,65px);max-width:850px}.prose h1{font-size:clamp(36px,5vw,58px);line-height:1.08;margin-top:0}.prose h2{font-size:28px;margin-top:38px}.prose p,.prose li{color:var(--muted)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.contact-card{background:#fff;border:1px solid var(--line);padding:35px}.news-list{display:grid;gap:14px}.news-item{display:grid;grid-template-columns:145px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);padding:20px}.news-item time{font-weight:900;color:var(--blue)}@media(max-width:860px){.bar .wrap{min-height:62px}.nav{display:none}.nav-action{margin-left:auto}.mobile-note{display:block;font-size:12px;color:var(--muted)}.home-hero .wrap,.product-hero .wrap{grid-template-columns:1fr;min-height:auto;padding:75px 0}.route-board{min-height:285px}.home-strip .wrap,.cards,.plans{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.foot-grid,.contact-grid{grid-template-columns:1fr 1fr}.faq-list{grid-template-columns:1fr}.server-table{display:block;overflow:auto;white-space:nowrap}.news-item{grid-template-columns:1fr}.section{padding:58px 0}}@media(max-width:520px){.wrap{width:min(100% - 28px,var(--max))}.home-strip .wrap,.cards,.plans,.foot-grid{grid-template-columns:1fr}.metric{border-right:0;border-bottom:1px solid var(--line)}.metric:nth-child(2){border-right:0}.foot-grid{gap:20px}.hero-actions{flex-direction:column;align-items:start}}