:root{--night:#06172f;--deep:#0a2347;--blue:#1264d8;--cyan:#60d7ff;--ice:#eaf5ff;--white:#fff;--muted:#91a8c4;--line:rgba(151,201,255,.18)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ice);background:var(--night);font-family:"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{width:min(1200px,calc(100% - 46px));margin:auto}.skip{position:fixed;z-index:99;top:8px;left:8px;padding:8px 14px;color:var(--night);background:var(--cyan);transform:translateY(-160%)}.skip:focus{transform:none}
.header{position:sticky;z-index:40;top:0;background:rgba(6,23,47,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.nav{min-height:76px;display:flex;align-items:center;gap:32px}.brand{display:flex;align-items:center;gap:11px;font-weight:900}.brand-badge{width:38px;height:38px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--blue));border-radius:12px;color:var(--night)}.links{margin-left:auto;display:flex;gap:28px;color:#aec0d6;font-size:12px}.links a:hover,.links a[aria-current=page]{color:var(--cyan)}.lang{color:#6683a5;font-size:10px}.btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:10px 19px;border:1px solid #4099ef;border-radius:9px;font-size:12px;font-weight:800;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb}.btn:hover{background:#123f73}.btn-main{color:#031a35;background:var(--cyan);border-color:var(--cyan)}.btn-main:hover{background:#99e8ff}.menu{display:none;margin-left:auto;width:42px;height:42px;color:var(--cyan);background:none;border:1px solid var(--line);border-radius:9px}
.hero{position:relative;min-height:740px;display:grid;align-items:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 76% 45%,rgba(18,100,216,.34),transparent 34%),linear-gradient(180deg,transparent,#071b36)}.hero-grid{position:relative;display:grid;grid-template-columns:1fr 510px;align-items:center;gap:55px;padding:90px 0}.tag{display:inline-flex;gap:8px;align-items:center;color:var(--cyan);font-size:10px;letter-spacing:.16em;text-transform:uppercase}.tag:before{content:"";width:22px;height:1px;background:var(--cyan)}h1,h2,h3,p{margin-top:0}.hero h1,.page-hero h1{margin:22px 0;font-size:clamp(50px,7vw,88px);line-height:1.02;letter-spacing:-.06em}.hero h1 span{display:block;color:var(--cyan)}.lead{max-width:630px;color:var(--muted);font-size:16px}.actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:30px}.routeboard{position:relative;min-height:470px;border:1px solid var(--line);border-radius:28px;background:rgba(10,35,71,.56);box-shadow:0 40px 90px rgba(0,0,0,.25);overflow:hidden}.routeboard:before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,#000,transparent)}.routeboard img{position:absolute;inset:15%;width:70%;height:70%;object-fit:contain;opacity:.72;filter:hue-rotate(170deg) saturate(.8) drop-shadow(0 0 28px #1888db)}.pulse{position:absolute;width:13px;height:13px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 8px rgba(96,215,255,.14),0 0 24px var(--cyan)}.pa{top:29%;right:25%}.pb{top:53%;right:17%}.pc{top:42%;left:20%}.pd{bottom:20%;left:55%}.route-status{position:absolute;right:18px;bottom:18px;left:18px;display:flex;justify-content:space-between;padding:13px 16px;background:rgba(4,18,37,.82);border:1px solid var(--line);border-radius:12px;color:#8eabc8;font:10px Consolas,monospace}.route-status b{color:var(--cyan)}
.trust{position:relative;display:grid;grid-template-columns:repeat(3,1fr);margin-top:-30px;background:#0a2448;border:1px solid var(--line);border-radius:16px;box-shadow:0 25px 60px rgba(0,0,0,.2)}.trust div{padding:24px;text-align:center;font-size:11px}.trust div+div{border-left:1px solid var(--line)}.trust b{color:var(--cyan);margin-right:8px}.section{padding:110px 0}.section-light{color:#122b47;background:#f4f9fe}.section-blue{background:#092143}.head{display:grid;grid-template-columns:1fr 400px;align-items:end;gap:70px;margin-bottom:58px}.head h2{font-size:clamp(36px,5vw,58px);line-height:1.12;letter-spacing:-.045em}.head p{color:var(--muted)}.section-light .head p{color:#5f7690}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{padding:27px;background:#0a2448;border:1px solid var(--line);border-radius:13px}.metric strong{display:block;color:var(--cyan);font-size:34px}.metric span{color:var(--muted);font-size:11px}.note{color:#667f9e;font-size:10px;text-align:right;margin-top:12px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{min-height:340px;padding:32px;background:#fff;border:1px solid #dce9f4;border-radius:18px}.icon{width:48px;height:48px;display:grid;place-items:center;color:#fff;background:#1264d8;border-radius:14px;font-size:20px}.feature h3{margin:70px 0 12px;font-size:23px}.feature p{color:#627990;font-size:13px}
.node-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.node-map{position:relative;min-height:520px;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:radial-gradient(circle at 50% 50%,#10467d,#071d3b)}.node-map img{width:100%;height:100%;object-fit:contain;opacity:.55;filter:hue-rotate(165deg) saturate(.9)}.node-map .pulse{position:absolute}.node-stack{display:grid;gap:12px}.node{padding:21px;background:#0d2b54;border:1px solid var(--line);border-radius:14px}.node-top{display:flex;justify-content:space-between}.node strong{font-size:17px}.node b{color:var(--cyan);font:11px Consolas,monospace}.node small{color:#6f8bab}.bar{height:3px;margin-top:15px;background:#173d69}.bar i{display:block;height:100%;background:var(--cyan)}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review{padding:28px;background:#fff;border:1px solid #dbe8f3;border-radius:15px}.stars{color:#e49b2f;letter-spacing:3px}.review blockquote{margin:25px 0;color:#39536f}.review footer{display:flex;align-items:center;gap:12px;color:#7890a7;font-size:11px}.review img{width:40px;height:40px;object-fit:cover;border-radius:50%;filter:grayscale(.5)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.plan{min-height:440px;padding:32px;display:flex;flex-direction:column;background:#0b2850;border:1px solid var(--line);border-radius:16px}.plan.hot{background:linear-gradient(145deg,#1560aa,#0c3a70);box-shadow:0 22px 60px rgba(0,0,0,.25)}.plan-label{min-height:24px;color:var(--cyan);font-size:10px}.price{margin:14px 0;font-size:43px;font-weight:900}.price small{color:var(--muted);font-size:11px}.plan ul{padding:0;list-style:none;color:#a9bdd2;font-size:13px}.plan li{padding:7px 0}.plan li:before{content:"✓";color:var(--cyan);margin-right:10px}.plan .btn{width:100%;margin-top:auto}
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.qa{padding:25px;background:#fff;border:1px solid #dce8f3;border-radius:14px}.qa code{color:#1264d8;font-size:10px}.qa h3{margin:19px 0 9px}.qa p,.qa li{color:#607991;font-size:13px}
.page-hero{padding:100px 0 70px;background:linear-gradient(140deg,#071a35,#0b3262)}.page-grid{display:grid;grid-template-columns:1fr 390px;align-items:center;gap:70px}.page-hero h1{font-size:clamp(44px,6vw,72px)}.page-media{height:380px;padding:18px;border:1px solid var(--line);border-radius:22px;background:#0a2448}.page-media img{width:100%;height:100%;object-fit:contain}.downloads{border-top:1px solid #d9e6f1}.download{display:grid;grid-template-columns:80px 1fr 210px;align-items:center;gap:28px;padding:27px 0;border-bottom:1px solid #d9e6f1}.os{width:57px;height:57px;display:grid;place-items:center;color:#fff;background:#1264d8;border-radius:14px;font-weight:900}.download h3{margin:0}.download p{margin:4px 0;color:#6b8399;font-size:11px}.download .btn{color:#1264d8}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.step{padding:27px;border:1px solid var(--line);border-radius:14px}.step b{color:var(--cyan);font:11px Consolas,monospace}.step h3{margin:36px 0 9px}.step p{color:var(--muted);font-size:12px}
.guide{display:grid;grid-template-columns:260px 1fr;gap:65px}.guide-nav{position:sticky;top:100px;height:max-content;background:#0b2850;border:1px solid var(--line);border-radius:14px;padding:12px}.guide-nav a{display:block;padding:11px 13px;color:#91a9c2;border-radius:8px;font-size:11px}.guide-nav a:hover{color:var(--cyan);background:#123761}.guide-body h2{margin:55px 0 13px;font-size:32px}.guide-body h2:first-child{margin-top:0}.guide-body p,.guide-body li{color:var(--muted)}.tip{padding:22px;border:1px solid var(--line);border-left:4px solid var(--cyan);background:#0b2850}
.cta{margin-top:75px;padding:40px 45px;display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid var(--line);border-radius:18px;background:#0a2448}.cta h2{margin:0}.cta p{margin:4px 0;color:var(--muted)}.footer{margin-top:95px;padding:55px 0 22px;border-top:1px solid var(--line);background:#041228}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:45px}.footer p{max-width:340px;color:#7189a4;font-size:11px}.footer h3{font-size:12px;color:var(--cyan)}.footer-links{display:grid;gap:8px;color:#8199b3;font-size:11px}.copy{display:flex;justify-content:space-between;margin-top:45px;padding-top:18px;border-top:1px solid var(--line);color:#526a84;font-size:10px}
@media(max-width:930px){.links{position:absolute;top:76px;right:23px;left:23px;display:none;padding:18px;background:#092143;border:1px solid var(--line);border-radius:13px;flex-direction:column}.links.open{display:flex}.menu{display:block}.lang,.nav>.btn{display:none}.hero-grid,.page-grid,.head,.node-layout{grid-template-columns:1fr}.head{gap:15px}.routeboard{max-width:550px;width:100%;margin:auto}.features,.reviews{grid-template-columns:1fr}.guide{grid-template-columns:1fr}.guide-nav{position:static}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.wrap{width:calc(100% - 28px)}.hero-grid{padding:65px 0}.hero h1{font-size:51px}.trust,.metrics,.plans,.faq,.steps{grid-template-columns:1fr}.trust div+div{border-left:0;border-top:1px solid var(--line)}.section{padding:75px 0}.download{grid-template-columns:60px 1fr}.download .btn{grid-column:1/-1}.cta,.copy{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}