:root{--navy:#3f686c;--deep:#3f686c;--ink:#244147;--muted:#586f73;--paper:#f7f7f4;--white:#fff;--line:#d8e0dd;--orange:#b45a32;--accent:#276e66;--soft:#eaf3f1;--on-primary-muted:#d3e0df}*{box-sizing:border-box}html{scroll-behavior:smooth}.heading h1,.heading h2,.rules h2,body{font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif}body{margin:0;background:var(--paper)}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:min(1120px,calc(100% - 44px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(247,247,244,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(63,104,108,.1)}.identity,.nav{display:flex;align-items:center}.nav{height:70px;justify-content:space-between}.identity{gap:10px;min-height:52px;padding:4px 8px 4px 0;border-radius:999px;transition:color .15s}.identity img,.profile img{border-radius:50%;object-fit:cover;border:2px solid #fff;box-shadow:0 3px 12px rgba(63,104,108,.14)}.identity>span{display:flex;flex-direction:column;gap:2px}.identity b{letter-spacing:.04em}.identity img{transition:border-color .15s,box-shadow .15s}.identity:focus-visible b,.identity:hover b{color:var(--accent)}.identity:focus-visible img,.identity:hover img{border-color:var(--accent);box-shadow:0 4px 14px rgba(63,104,108,.22)}.identity:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.code button{border:0;background:0 0;color:var(--accent);font-weight:900;cursor:pointer;padding:7px}.heading>p,.identity small,.nav nav{color:var(--muted)}.code button,.identity small{font-size:9px}.nav nav{display:flex;gap:30px;font-size:12px}.nav nav a:hover,body{color:var(--ink)}.contact-link{border:1px solid var(--line);border-radius:30px;padding:9px 14px;font-size:11px;font-weight:800}.heading>div>span,.section-label{font-size:9px;letter-spacing:.18em;font-weight:900;color:var(--muted)}.list-section{padding:12px 0 28px}.existing{padding:70px 0}.heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:25px}.heading h1,.heading h2{font-size:34px;font-weight:500;margin:8px 0 0}.rules h2{margin:0 0 14px;font-size:17px;font-weight:800}.heading>p{font-size:11px}.exchange-table{background:#fff;border:1px solid var(--line)}.exchange-row,.table-head{display:grid;grid-template-columns:1.35fr 1.15fr .5fr .45fr .45fr 1.1fr .65fr;align-items:center}.table-head{padding:11px 18px;background:var(--soft);color:var(--muted);font-size:9px;letter-spacing:.08em}.table-head span:not(:first-child){text-align:center}.table-head span:nth-child(2){text-align:left}.table-head span:last-child{text-align:right}.exchange-row{position:relative;min-height:70px;padding:8px 18px;border-top:1px solid var(--line)}.exchange-name{display:flex}.exchange-name b,.identity b{font-size:14px}.exchange-note{padding-right:12px;color:var(--muted);font-size:10px;line-height:1.4}.exchange-note.empty{color:rgba(88,111,115,.55)}.exchange-note.warning{color:var(--orange);font-weight:800}.rate,.total{font-weight:800;text-align:center}.total{font-size:25px;color:var(--accent)}.rate{font-size:13px}.code>span,.rate i{display:none}.code,.code code{align-items:center;justify-content:center}.code{display:flex;gap:9px}.code code{display:inline-flex;width:96px;font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;font-size:11px;font-weight:900;letter-spacing:.06em;color:var(--accent);background:var(--soft);padding:8px 9px}.register{display:flex;justify-content:space-between;justify-self:end;width:92px;background:var(--navy);color:#fff;padding:11px 12px;font-size:10px;font-weight:800}.exchange-row:hover{background:var(--paper)}.exchange-row.gate{box-shadow:inset 3px 0 var(--orange)}.link-note{margin:14px 0 0;text-align:center;font-size:9px;color:var(--muted)}.rules{padding:0}.rules-panel{background:#fff;border:1px solid var(--line);padding:18px}.rules ul{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));list-style:none;margin:0;padding:0}.rules li{padding:0 14px;border-left:1px solid var(--line);font-size:10px}.rules li:first-child{padding-left:0;border:0}.rules li b{display:block;margin-bottom:6px;color:var(--accent);font-size:11px}.rules li span{color:var(--muted);line-height:1.5}.old-user-box{display:grid;grid-template-columns:180px 1fr;background:#fff;border:1px solid var(--line);min-height:260px}.tabs{display:flex;flex-direction:column;border-right:1px solid var(--line);padding:10px}.tabs button{position:relative;text-align:left;border:0;background:0 0;padding:11px 13px;color:var(--muted);font-size:11px;cursor:pointer}.tabs button.active{background:var(--navy);color:#fff;font-weight:800}.tabs button.has-alert:after{content:"";position:absolute;width:5px;height:5px;border-radius:50%;background:var(--orange);right:12px;top:15px}.tab-content{padding:28px 34px;color:var(--muted);font-size:12px;line-height:1.75}.tab-content h3{color:var(--ink);font-size:17px;margin:0 0 14px}.tab-content p:first-of-type{margin-top:0}.tab-content ol{margin:0;padding-left:18px}.old-register{font-weight:800;display:inline-flex;align-items:center;justify-content:center;margin-top:16px;padding:9px 12px;border:1px solid var(--line);color:var(--accent);background:var(--paper);font-size:10px}.tab-content .danger-text{color:var(--orange);font-weight:800}.old-register:hover{color:#fff;background:var(--navy);border-color:var(--navy)}.contact{padding-bottom:70px}.contact-inner{background:#fff;border:1px solid var(--line);padding:30px 34px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px}.profile{display:flex;align-items:center;gap:18px}.profile>div>span{font-size:9px;letter-spacing:.15em;color:var(--muted)}.profile h2{font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:24px;font-weight:800;margin:5px 0}.profile p{font-size:11px;line-height:1.6;color:var(--muted);margin:0;max-width:360px}.channels{display:grid;grid-template-columns:1fr;gap:7px;width:min(300px,100%);justify-self:end}.channels a,.exchange-name>div{display:flex;flex-direction:column}.channels a{position:relative;padding:11px 13px;gap:3px}.channels a span,footer{color:var(--on-primary-muted)}.channels a span,.channels p,footer p{font-size:9px}.channels p{grid-column:1/-1;margin:5px 0 0;color:var(--muted)}.channels a b{font-size:11px}.channels a i{position:absolute;right:12px;top:17px;font-style:normal}footer{background:var(--deep);padding:28px 0 20px}footer p{line-height:1.7;margin:0 0 18px;max-width:990px}footer nav a:hover,footer p b{color:#fff}footer .container>div{border-top:1px solid rgba(255,255,255,.2);padding-top:15px;display:flex;justify-content:space-between;font-size:9px}footer nav{display:flex;gap:18px}.mobile-bar{display:none}.channels a,.toast{background:var(--navy);color:#fff}.toast{position:fixed;z-index:100;left:50%;bottom:25px;transform:translate(-50%,15px);padding:11px 16px;border-radius:4px;font-size:11px;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}@media (max-width:820px){.exchange-note.empty,.table-head{display:none}.exchange-table{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:0 0;border:0}.exchange-row{display:grid;grid-template-columns:1fr auto auto;gap:8px;min-height:0;padding:12px;background:#fff;border:1px solid var(--line)}.exchange-name{grid-column:1/3}.total{grid-column:3;grid-row:1}.rate{font-size:11px}.code>span,.rate i{display:inline;color:var(--muted)}.rate i{font-style:normal;font-weight:400;margin-right:4px}.code{grid-column:1/3;justify-content:flex-start}.code>span{font-size:9px}.register{grid-column:3;grid-row:2/4;align-self:end;min-width:82px}.exchange-note{grid-column:1/-1;grid-row:4;padding-right:0;margin-top:1px}.rules ul{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.rules li,.rules li:first-child{padding:12px;border:0;background:var(--paper)}.contact-inner{gap:30px}.channels{grid-template-columns:1fr}}@media (max-width:600px){body{padding-bottom:58px}.container{width:calc(100% - 28px)}.nav{height:62px}.identity img{width:36px;height:36px}.nav nav{display:none}.contact-link{padding:8px 10px}.list-section{padding:10px 0 24px}.existing{padding:52px 0}.heading{display:block}.heading h1,.heading h2{font-size:30px}.heading>p{margin:8px 0 0;max-width:none;text-align:left}.exchange-table,.rules ul{grid-template-columns:1fr}.exchange-row{grid-template-columns:minmax(0,1fr) auto}.exchange-name,.total{grid-column:1;grid-row:1}.total{grid-column:2}.code,.register{grid-column:1;grid-row:3}.register{grid-column:2;min-width:91px}.rules{padding:0}.rules-panel{padding:16px}.rules h2{font-size:17px}.rules ul{gap:0}.rules li{padding:10px 0;border-top:1px solid var(--line);background:0 0}.rules li:first-child{background:0 0;padding:0 0 10px;border-top:0}.old-user-box{display:block;min-height:0}.tabs{flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line);padding:7px}.tabs button{flex:0 0 auto;text-align:center;padding:9px 12px}.tab-content{padding:22px 20px;min-height:240px}.old-register{display:flex;width:100%}.contact{padding-bottom:0}.contact-inner{width:100%;padding:35px 20px;display:block}.profile img{width:70px;height:70px}.profile h2{font-size:26px}.channels{grid-template-columns:1fr;margin-top:25px}.channels p{font-size:8px}.mobile-bar{position:fixed;z-index:50;display:grid;grid-template-columns:1fr 1.2fr;left:0;right:0;bottom:0;height:58px;background:#fff;padding:6px;box-shadow:0-5px 20px rgba(63,104,108,.13)}.mobile-bar a{display:grid;place-items:center;font-size:11px;font-weight:900}.mobile-bar a:last-child{background:var(--navy);color:#fff}.toast{bottom:72px;width:calc(100% - 30px);text-align:center}.copyright{gap:18px}footer .container>div{display:grid;gap:12px}footer nav{flex-wrap:wrap;gap:10px 16px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.toast{transition:none}}.exchange-name{flex-direction:row;align-items:center;gap:10px}.exchange-name img{width:32px;height:32px;border-radius:8px;object-fit:contain;background:#fff;border:1px solid var(--line);padding:2px;flex:0 0 auto}.exchange-name>div{gap:5px;min-width:0}.tab-panels{min-width:0}@media (max-width:600px){.exchange-name img{width:34px;height:34px}.exchange-name{gap:9px}}