@charset "UTF-8";
:root{color-scheme:dark;--navy:#101c32;--mint:#22d3be;--teal:#0c948b;--text:#f5f8ff;--muted:#acb8ca;--line:#ffffff20;font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;background:var(--navy);color:var(--text);font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--mint);outline-offset:6px}a:hover{color:var(--mint)}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.header{border-bottom:1px solid var(--line)}.nav-wrap{min-height:100px;display:flex;align-items:center;gap:40px}.brand{display:inline-flex;padding:12px;flex-shrink:0;margin-left:-12px}.brand img{width:160px;height:auto;display:block}nav{display:flex;gap:30px;margin-left:auto;font-size:14px}nav a{padding:14px 0;color:#c9d2df}nav a[aria-current]{color:var(--mint);box-shadow:0 1px 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0}h3{font-size:21px;font-weight:500;line-height:1.4;margin:20px 0 12px}p{font-size:16px;line-height:1.75;color:var(--muted)}.lead{font-size:18px;max-width:540px;line-height:1.75}.hero .lead{max-width:465px}.actions{display:flex;align-items:center;gap:28px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:32px;padding:17px 24px;background:var(--mint);color:var(--navy);border:1px solid var(--mint);border-radius:5px;font-size:15px;font-weight:700;min-height:54px}.button:hover{background:#74e6d9;color:var(--navy)}.text-link{font-size:15px;line-height:1.7}.text-link span{margin-left:12px}.note{font-size:13px;margin-top:20px}.network{position:relative;aspect-ratio:1/1;isolation:isolate;background:radial-gradient(ellipse at center,#16413f55,transparent 65%);overflow:hidden}.orbital{position:absolute;border:1px solid #22d3be24;border-radius:50%;inset:15%;transform:rotate(-34deg) scaleY(.76)}.o2{inset:3%;border-color:#22d3be18}.o3{inset:27%;border-color:#22d3be48}.network-label{position:absolute;top:4%;left:0;right:0;text-align:center;font-size:11px;letter-spacing:2px;color:#8facae}.hub{position:absolute;top:35%;left:36%;width:28%;aspect-ratio:1;border:1px solid #3c787c;background:linear-gradient(140deg,#23474d,#142438);border-radius:28px;display:grid;place-items:center;box-shadow:0 24px 50px #060c182b;transform:rotate(-8deg)}.hub img{width:65%;height:auto;transform:rotate(8deg)}.node{position:absolute;background:#16283c;border:1px solid #54747c;border-radius:8px;padding:13px 18px;font-size:13px;display:flex;align-items:center;gap:12px;z-index:2;box-shadow:0 12px 40px #101c32}.node span{font-size:21px;color:var(--mint)}.n1{top:23%;left:0}.n2{bottom:25%;right:0}.pathline{position:absolute;inset:28% 10%;border-top:1px dashed #22d3be65;transform:rotate(32deg);z-index:-1}.diagram-caption{position:absolute;bottom:12%;left:0;right:0;text-align:center;font-size:13px;color:#a6c5c5}.mini-line{display:inline-block;height:2px;width:18px;background:var(--teal);vertical-align:middle;margin-right:9px}.concept{position:absolute;bottom:5%;width:100%;text-align:center;font-size:10px;letter-spacing:1px;color:#91a2b9}.principles{display:grid;grid-template-columns:1fr 1fr 1.3fr 1.4fr;gap:25px;padding-block:28px;border-block:1px solid var(--line);align-items:center;font-size:15px}.principles>span{color:#8b9ab0;font-size:10px;letter-spacing:1.3px}.principles>div{padding-left:24px;border-left:1px solid var(--line)}.section{padding-block:100px}.section-title{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:36px}.section-title p{max-width:365px;margin-bottom:22px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}.card{padding:30px;border:1px solid var(--line);border-radius:8px;background:#142138}.number{color:var(--mint);font:13px monospace}.card p{margin-bottom:0}.card .button,.card .status{margin-top:24px}.card ul{padding-left:20px;line-height:1.9;color:var(--muted)}.use-section{background:#edf4f4;color:var(--navy);padding:78px 0}.use-section .eyebrow{color:#08786e}.use-section p{color:#536574}.use-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;margin-top:48px}.use-grid article{border-top:1px solid #101c3230;padding-top:22px}.use-grid article>span{color:#08796f;font-size:12px}.boundary{border-top:1px solid #101c321c;padding-top:24px;margin-top:40px;font-size:13px}.cta{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:76px}.cta h2{font-size:46px}.cta p{margin-bottom:0}footer{background:#0c1629;padding:45px 0 25px;border-top:1px solid var(--line)}.footer-top{display:flex;justify-content:space-between;gap:35px}.footer-top p{font-size:14px}.footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px 35px;font-size:14px;align-content:start;padding-top:16px;color:#c2cddd}.footer-bottom{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line);margin-top:36px;padding-top:24px;color:#8f9db3;font-size:12px}.footer-bottom>div{display:flex;gap:24px}.page-head{padding-top:82px;padding-bottom:40px;border-bottom:1px solid var(--line)}.page-head h1{font-size:60px;max-width:900px}.page-head .lead{max-width:670px}.compact{padding-top:48px;min-height:420px}.disclosure{margin-top:70px}.disclosure-row{display:grid;grid-template-columns:1fr 1.7fr auto;gap:25px;align-items:center;border-top:1px solid var(--line);padding:22px 0}.disclosure-row h3{margin:0}.status{display:inline-block;border:1px solid #7a8da15c;border-radius:4px;padding:7px 11px;color:#c2cddd;font-size:13px;white-space:nowrap;width:fit-content}.notice{margin-top:42px;padding:30px;border-left:2px solid var(--teal);background:#14243a}.notice h3,.notice h2{margin-top:0}.notice p{max-width:850px}.empty{display:flex;gap:35px;align-items:center;padding:48px;border:1px solid var(--line);background:#142138;border-radius:10px}.empty img{flex-shrink:0;border-radius:20px}.empty p{max-width:620px;margin-bottom:0}.empty-symbol{font-size:80px;color:var(--mint);padding:10px 20px}.faq{margin-top:70px;max-width:900px}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:18px;padding:25px 0}summary::-webkit-details-marker{display:none}summary span{font-size:24px;color:var(--mint)}details[open] summary span{transform:rotate(45deg)}details p{max-width:780px;margin:0 0 25px}.price{font-size:36px;color:white}.cards h2{font-size:28px}html[lang=zh-CN] h1{letter-spacing:-1px;line-height:1.25}html[lang=zh-CN] h2{line-height:1.4;letter-spacing:0}@media(min-width:1000px){.hub{animation:float 8s 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1fr;gap:20px;padding-block:25px}.principles>div{padding-left:14px;font-size:13px}.principles>span{line-height:1.8}.section{padding-block:64px}.section-title{display:block}.section-title p{max-width:none}h2{font-size:32px}.cards{grid-template-columns:1fr}.card{padding:26px}.use-section{padding-block:60px}.use-grid{grid-template-columns:1fr;gap:24px;margin-top:32px}.use-grid p{margin-bottom:0}.cta{padding-block:60px;align-items:start;flex-direction:column}.cta h2{font-size:36px}.footer-top{flex-direction:column;gap:15px}.footer-nav{gap:22px}.footer-bottom{flex-direction:column;gap:20px}.footer-bottom>div{flex-wrap:wrap;gap:16px}.page-head{padding-top:50px;padding-bottom:28px}.page-head h1{font-size:44px;letter-spacing:-1.5px}.empty{padding:28px;align-items:start;flex-direction:column;gap:20px}.empty h2{font-size:28px}.disclosure-row{grid-template-columns:1fr;gap:12px}.disclosure-row p{margin:0}.notice{padding:25px}.actions{gap:20px;flex-wrap:wrap}.empty-symbol{padding:0;font-size:56px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}