:root{color-scheme:dark;--bg:#0b0c20;--card:#161932;--line:#303760;--muted:#aab3d7;--ink:#f3f5ff;--cyan:#64dfff;--violet:#a875ff;font:15px/1.65 system-ui,"Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 85% 24%,#202059 0,transparent 43%),radial-gradient(ellipse at 0 48%,#261552 0,transparent 38%),var(--bg);color:var(--ink)}header,main,footer{width:min(1240px,calc(100% - 48px));margin:auto}header{display:flex;align-items:center;justify-content:space-between;min-height:75px;gap:18px;border-bottom:1px solid #ffffff12}.brand{font-size:24px;white-space:nowrap}.brand span,footer span{color:var(--cyan)}nav,#account,.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}nav a{padding:7px 11px;color:var(--muted);border-radius:12px}nav a:hover,nav a.active{background:#292751;color:white}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,.btn{cursor:pointer;border:1px solid #6773a5;border-radius:11px;background:#171b36;color:white;padding:8px 16px;display:inline-block}button:hover,.btn:hover{filter:brightness(1.2)}button:disabled{opacity:.5;cursor:wait}.primary{background:linear-gradient(110deg,#1689ce,#753be8 65%,#9253ef);border-color:transparent;box-shadow:0 5px 22px #5232d34d}.hero{min-height:395px;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;position:relative}.hero h1{font-size:clamp(37px,5vw,67px);line-height:1.15;margin:17px 0}.gradient{background:linear-gradient(90deg,#65eaff,#9a7eff,#bd83ff);background-clip:text;color:transparent}.muted,p{color:var(--muted)}.pill{display:inline-block;border:1px solid #4b4480;background:#272553;color:#dce1ff;padding:3px 12px;border-radius:999px}.hero p{max-width:490px}.globe{width:100%;max-height:380px;filter:drop-shadow(0 0 33px #3c62f8a0)}section{margin:26px 0 42px}.center{text-align:center}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}.card,.strip,dialog{background:linear-gradient(145deg,#1a1d39,#14172c);border:1px solid var(--line);border-radius:17px;padding:20px;min-width:0}.strip{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.region{padding:6px 13px;border-left:1px solid var(--line)}.region b,.region small{display:block}.card h3{margin:0 0 8px}.card p{white-space:pre-line;overflow-wrap:anywhere}.price{font-size:30px;font-weight:750;margin:12px 0}.price small{font-size:14px;color:var(--muted);font-weight:400}.featured{border-color:#9b6dff;box-shadow:0 0 24px #853ffa44}.card .btn,.card select{width:100%;margin-top:8px}footer{display:flex;justify-content:space-between;padding:24px 0;border-top:1px solid var(--line);color:var(--muted)}dialog{color:var(--ink);width:min(470px,calc(100% - 32px));max-height:90vh;overflow:auto}dialog::backdrop{background:#07091bb8;backdrop-filter:blur(3px)}.close{float:right;border:0;background:none;padding:0 8px;font-size:24px}label{display:block;margin:12px 0}input,select,textarea{display:block;width:100%;color:var(--ink);background:#0f1228;border:1px solid var(--line);border-radius:8px;padding:9px}input[type=checkbox]{display:inline;width:auto}textarea{min-height:95px}pre{white-space:pre-wrap;overflow-wrap:anywhere}.stack{display:grid;gap:12px}.section-title{margin:22px 0 4px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row>*{max-width:100%}#toast{position:fixed;right:16px;bottom:16px;background:#262b52;border-radius:10px;padding:10px 16px;max-width:min(420px,90vw);z-index:5}#toast:empty{display:none}progress{width:100%;accent-color:#8b64ff}.preview{background:#392955;padding:8px 14px;border-radius:8px}@media(max-width:760px){header{flex-wrap:wrap;padding:12px 0}nav{order:3;width:100%;gap:2px}.hero{grid-template-columns:1fr;padding-top:30px}.globe{max-height:245px}header,main,footer{width:calc(100% - 28px)}}

/* Portal visual system */
:root{--bg:#080b16;--card:#101627;--line:#26314a;--muted:#a6b1cc;--ink:#f5f7ff;--cyan:#75e9f6;--violet:#ae96ff;font:15px/1.65 system-ui,"Microsoft YaHei",sans-serif}
body{min-height:100vh;background:radial-gradient(ellipse at 82% 0%,#191a3e 0,transparent 42%),radial-gradient(ellipse at 4% 53%,#111c32 0,transparent 37%),var(--bg)}
header,main,footer{width:min(1160px,calc(100% - 56px))}header{min-height:80px;border-color:#28324a}.brand{letter-spacing:-.04em}.brand span{display:inline-grid;place-items:center;width:34px;height:34px;border:1px solid #456183;border-radius:10px;background:#182a42;margin-right:4px}nav a{font-size:14px}nav a.active{background:#242b48;color:#eef1ff}.primary{background:linear-gradient(110deg,#a7eeff,#a894ff);color:#121429;font-weight:750;box-shadow:0 8px 26px #8676ee30}button,.btn{min-height:42px;border-color:#394664;background:#151c30}.hero{min-height:460px;gap:25px;margin-bottom:0}.hero h1{font-size:clamp(40px,5vw,66px);letter-spacing:-.055em;line-height:1.12}.hero p{font-size:16px;margin:22px 0 28px}.hero .pill,.eyebrow{color:#8ce5ee;font-size:12px;font-weight:700;letter-spacing:.15em}.hero .pill{background:#152838;border-color:#274959}.hero .actions{gap:12px}.hero .actions .btn{padding:11px 19px}.globe{max-height:425px;filter:drop-shadow(0 0 37px #4d6ffa63)}.preview{background:#141b30;border:1px solid #273350;color:#b6c3e1;font-size:12px;margin:14px 0 0;width:max-content;max-width:100%}.strip{background:#11192b;border-color:#28354f;padding:16px 20px;margin-top:0}.strip>a{color:var(--cyan);margin-left:auto;font-size:13px}.region{border-color:#303c54}.region small{color:#a9b7d4}.card{background:linear-gradient(152deg,#172035,#101626 76%);border-color:#293651;padding:22px}.card.featured{border-color:#7463bd;background:radial-gradient(ellipse at top right,#302650,transparent 72%),#141a2e;box-shadow:0 8px 32px #6651c622}.price{font-size:35px;letter-spacing:-.035em}.center h2{font-size:clamp(24px,4vw,36px);letter-spacing:-.04em;margin:0}.center p{margin:6px 0 22px}.card select{background:#0e1627}.card h3{font-size:18px}.card .btn{margin-top:12px}.network-intro{margin:30px 0 22px;padding:36px;border:1px solid #354364;border-radius:22px;background:radial-gradient(ellipse at 94% 0%,#302858,transparent 62%),linear-gradient(125deg,#132438,#12182a);display:flex;justify-content:space-between;align-items:center;gap:22px}.network-intro h1{font-size:clamp(32px,5vw,54px);line-height:1.13;letter-spacing:-.045em;margin:10px 0}.network-intro p{max-width:560px;margin-bottom:0}.network-metric{min-width:105px;text-align:center;padding:15px;border:1px solid #49567a;border-radius:16px;background:#151c31}.network-metric strong{display:block;font-size:36px;line-height:1.15;color:#a7effb}.network-metric span{font-size:12px;color:#b9c3df}.node-grid{grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));margin:15px 0 28px}.node-card{min-height:170px}.node-card h3{margin:0}.node-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.node-name{display:flex;align-items:center;gap:11px}.node-icon{display:grid;place-items:center;width:43px;height:43px;flex:none;border:1px solid #364768;border-radius:12px;background:#1d2b46;font-size:22px}.node-code{font-size:11px;color:var(--muted);letter-spacing:.12em}.node-rate{color:#a9ecf9;background:#192d42;border:1px solid #304e65;border-radius:999px;padding:3px 9px;font-size:12px;white-space:nowrap}.network-note{border-top:1px solid var(--line);padding:14px 0;color:var(--muted);font-size:13px}dialog{background:#151c30;border-color:#445478;box-shadow:0 24px 85px #0008}a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
@media(max-width:760px){header,main,footer{width:calc(100% - 28px)}.hero{min-height:0;gap:5px;padding-top:24px}.hero h1{font-size:clamp(35px,8.5vw,52px)}.globe{max-height:270px}.network-intro{padding:20px;gap:10px}.network-metric{min-width:75px;padding:9px}.network-metric strong{font-size:28px}.strip{padding:12px;gap:8px}.region{padding:4px 8px}}

/* Editorial landing: restrained palette, full-height typography and atlas */
:root{--bg:#090c13;--card:#10151f;--line:#242d3b;--muted:#9aa7bd;--ink:#f4f5f7;--cyan:#a4e9dc;--violet:#9c9ff6}
body{background:#090c13}header,main,footer{width:min(1200px,calc(100% - 72px))}header{min-height:72px;border-color:#232b36}.brand span{color:#a4e9dc;background:#152320;border-color:#29413c}.brand{font-size:22px}nav a.active{background:#17222c;color:#d5f3ef}button,.btn{background:#121922;border-color:#303a48}.primary{background:#a4e9dc;color:#0b211f;box-shadow:none;border-color:transparent}.landing{padding-top:42px}.mast{display:grid;grid-template-columns:1fr 1.05fr;gap:54px;align-items:center;margin:0 0 62px}.mast-copy h1{font-size:clamp(54px,7vw,100px);font-weight:800;letter-spacing:-.085em;line-height:1.04;margin:23px 0}.mast-copy h1 em{font-style:normal;color:#a4e9dc}.mast-copy p{max-width:420px;font-size:16px;line-height:1.8;margin:0 0 26px}.overline{display:inline-flex;gap:9px;align-items:center;color:#a3adbf;font-size:11px;font-weight:700;letter-spacing:.16em}.overline i{width:7px;height:7px;border-radius:50%;background:#a4e9dc;box-shadow:0 0 12px #a4e9dc6b}.quiet{background:transparent}.mast-art{position:relative;overflow:hidden;display:grid;align-items:center;min-height:390px;border:1px solid #2d3747;border-radius:16px;background:radial-gradient(ellipse at 53% 47%,#263154 0,transparent 69%),linear-gradient(#bac7ff0d 1px,transparent 1px),linear-gradient(90deg,#bac7ff0d 1px,transparent 1px),#101622;background-size:auto,32px 32px,32px 32px,auto}.mast-art .globe{filter:hue-rotate(-19deg) saturate(.65) drop-shadow(0 0 27px #788dfe35);width:100%;max-height:365px}.art-top,.art-bottom{position:absolute;left:17px;right:17px;display:flex;justify-content:space-between;gap:10px;color:#b2bed4;font-size:10px;letter-spacing:.13em;z-index:1}.art-top{top:16px}.art-bottom{bottom:16px}.landing-section{margin:0 0 54px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:14px;border-top:1px solid var(--line);padding-top:20px;margin-bottom:17px}.section-head h2{font-size:clamp(25px,3.5vw,38px);letter-spacing:-.055em;line-height:1.2;margin:7px 0 0}.section-head p{margin:0}.section-head a,.landing-end a{color:var(--cyan);font-size:13px}.coverage-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}.coverage-cell{display:flex;align-items:center;gap:11px;padding:16px 13px;background:#111721}.coverage-cell small,.coverage-cell b{display:block}.coverage-cell small{color:var(--muted);font-size:11px}.country-icon{font-size:22px;line-height:1}.coverage-list>p{background:#111721;margin:0;padding:16px}.landing .plan-card{display:flex;flex-direction:column;gap:4px;background:#10151f;border:1px solid #283343;box-shadow:none;border-radius:14px}.landing .plan-card.featured{background:linear-gradient(155deg,#1b302f,#121c24 57%);border-color:#547e75}.landing .plan-card .price{font-size:clamp(28px,4vw,42px);margin:4px 0}.landing .plan-card p{margin:3px 0 10px}.landing .plan-card label{margin:auto 0 0;padding-top:12px;color:var(--muted);font-size:13px}.landing .plan-card .btn{margin-top:8px}.landing-end{display:flex;justify-content:space-between;gap:15px;margin:0 0 24px;color:var(--muted);font-size:12px}.network-intro{background:radial-gradient(ellipse at 85% 10%,#263b3b,transparent 62%),#101720;border-color:#2c4145}.network-metric,.node-card{background:#111821;border-color:#2a3645}.node-rate,.node-icon{background:#182b2b;border-color:#344e49;color:#a4e9dc}.gradient{background-image:linear-gradient(90deg,#a4e9dc,#a5b7ff)}
@media(max-width:820px){header,main,footer{width:calc(100% - 32px)}.landing{padding-top:25px}.mast{grid-template-columns:1fr;gap:26px;margin-bottom:38px}.mast-copy h1{font-size:clamp(48px,11vw,76px);margin:13px 0}.mast-art{min-height:270px}.mast-art .globe{max-height:295px}.section-head{align-items:start;flex-wrap:wrap}.coverage-list{grid-template-columns:repeat(auto-fit,minmax(138px,1fr))}.landing-section{margin-bottom:36px}}

/* Dedicated account dialog */
dialog:has(.auth-layout){position:fixed;width:min(820px,calc(100% - 32px));padding:0;border:1px solid #37434e;background:#141b24;border-radius:24px;overflow:auto}
dialog:has(.auth-layout)>.close{position:absolute;top:15px;right:18px;z-index:2;width:34px;min-height:34px;border-radius:50%;color:#b9c5ce;background:#242d38;line-height:1}
.auth-layout{display:grid;grid-template-columns:minmax(0, .78fr) minmax(0,1.22fr);min-height:490px}
.auth-aside{display:flex;flex-direction:column;justify-content:space-between;gap:12px;padding:34px 29px;background:radial-gradient(ellipse at 18% 45%,#244547,transparent 72%),linear-gradient(145deg,#13292d,#121c29 90%);border-right:1px solid #34454d}
.auth-brand{font-size:17px;font-weight:750;overflow-wrap:anywhere}.auth-brand span{color:#a4e9dc;margin-right:5px}.auth-art{color:#9adbd5}.auth-art svg{width:100%;display:block}.auth-context{border-top:1px solid #53757070;padding-top:17px}.auth-context small{display:block;color:#a0bcbf;font-size:12px;margin-bottom:5px}.auth-context strong{display:block;font-size:clamp(21px,3vw,32px);line-height:1.15;letter-spacing:-.04em;overflow-wrap:anywhere}.auth-context p{margin:6px 0 0;color:#a4e9dc}.auth-context p span{color:#a0bcbf}
.auth-main{margin:0;padding:36px 38px 28px}.auth-tabs{display:flex;gap:21px;margin:0 32px 24px 0;border-bottom:1px solid #35404c}.auth-tabs button{background:none;border:0;border-radius:0;padding:0 2px 7px;min-height:29px;color:#aab6c3;font-size:14px}.auth-tabs .current{color:#a4e9dc;box-shadow:0 2px #a4e9dc}.auth-main h2{font-size:clamp(26px,4vw,36px);line-height:1.12;margin:0;letter-spacing:-.045em}.auth-subtitle{font-size:14px;margin:8px 0 19px}.auth-main label{font-size:13px;margin:0 0 13px;color:#e0e7ec}.auth-main input{margin-top:5px;min-height:44px;background:#10151e;border-color:#394550;padding:10px 12px}.auth-main input::placeholder{color:#8593a2}.auth-main input:focus-visible{outline:2px solid #a4e9dc;outline-offset:1px}.auth-password>span{display:flex;justify-content:space-between;gap:8px;align-items:center}.auth-link{min-height:0;padding:0;border:0;background:none;color:#a4e9dc;font-size:12px}.auth-main [type=submit]{width:100%;min-height:46px;margin-top:3px}.auth-code{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:8px}.auth-code button{margin-bottom:13px;min-height:44px;font-size:12px}.auth-alternatives{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:16px;padding-top:13px;border-top:1px solid #35404c;font-size:12px;color:#aab6c3}
@media(max-width:600px){.auth-layout{grid-template-columns:1fr;min-height:0}.auth-aside{padding:15px 53px 15px 20px;gap:7px;border-right:0;border-bottom:1px solid #34454d}.auth-art{display:none}.auth-context{border:0;padding:0}.auth-context strong{font-size:17px}.auth-context strong br{display:none}.auth-context p{margin-top:2px}.auth-context small{margin-bottom:2px}.auth-main{padding:20px}.auth-tabs{margin-bottom:16px}.auth-subtitle{margin-bottom:12px}}

/* Homepage composition */
.landing .mast{position:relative;isolation:isolate;gap:0;grid-template-columns:1fr 1.12fr;min-height:492px;margin:0 0 40px;border:1px solid #2b3541;border-radius:22px;overflow:hidden;background:linear-gradient(125deg,#171f28,#101722 58%,#121a28)}
.landing .mast-copy{position:relative;z-index:2;padding:clamp(26px,5vw,68px);padding-right:0}.landing .mast-copy h1{font-size:clamp(42px,6.1vw,84px);letter-spacing:-.075em}.landing .mast-copy p{max-width:28em}.landing .mast-art{border:0;border-radius:0;min-height:100%;background:none;overflow:visible}.landing .mast-art .atlas-diagram{width:110%;max-width:none;max-height:none;margin-left:-6%;filter:none}.landing .art-top,.landing .art-bottom{left:12%;right:7%;color:#a1adbd}.landing .art-top{top:24px}.landing .art-bottom{bottom:22px}.landing .coverage .section-head{border-top:0;padding-top:0}.landing .coverage-list{background:#25303d;border-radius:14px}.landing .coverage-cell{background:#121923;padding:16px 18px}.landing .pricing .section-head{padding-top:24px}.landing .pricing .plan-card{padding:24px}.landing .pricing .plan-card.featured{background:linear-gradient(155deg,#203431,#161e28 65%);border-color:#6ca599}.landing .pricing .plan-card .price{font-variant-numeric:tabular-nums}
@media(max-width:820px){.landing .mast{grid-template-columns:1fr;min-height:0}.landing .mast-copy{padding:28px 24px 5px}.landing .mast-art{min-height:250px}.landing .mast-art .atlas-diagram{width:100%;max-height:310px;margin:0}.landing .art-top,.landing .art-bottom{font-size:9px;left:24px;right:24px}.landing .art-top{top:9px}.landing .art-bottom{bottom:11px}}