:root{color-scheme:dark;--bg:#090909;--text:#f6f6f6;--muted:#8c8c8c;--lime:#c9fa56}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
svg{display:block}
::selection{background:var(--lime);color:#090909}
.site-shell{max-width:1440px;margin:0 auto;padding:0 64px}
.header{height:98px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #252525}
.brand{display:inline-flex;align-items:center;gap:12px;font-size:31px;font-weight:750;letter-spacing:-1.2px}
.brand-mark{width:28px;height:28px}
.header-meta{display:flex;align-items:center;gap:24px;font-size:13px;color:#b6b6b6}
.divider{height:15px;width:1px;background:#383838}
.language{display:flex;align-items:center;gap:8px}
.language svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.2}
.hero{display:grid;grid-template-columns:1.13fr 1fr;align-items:center;min-height:510px;padding:66px 0 56px;gap:20px}
.eyebrow{margin:0 0 28px;font-size:11px;font-weight:600;letter-spacing:1.9px;color:#b5b5b5;display:flex;align-items:center;gap:10px}
.green-dot{width:6px;height:6px;background:var(--lime);display:inline-block}
h1{font-size:clamp(56px,5.8vw,84px);letter-spacing:-4px;line-height:1.21;font-weight:800;margin:0 0 25px}
.accent{color:var(--lime)}
.hero-description{font-size:16px;line-height:1.85;color:#a0a0a0;margin:0 0 26px}
.hero-link{display:inline-flex;align-items:center;gap:28px;font-size:13px;font-weight:600;border-bottom:1px solid #626262;padding-bottom:7px}
.hero-link span{font-size:21px;line-height:1;color:var(--lime);transition:transform .2s}
.hero-link:hover span{transform:translate(2px,2px)}
.hero-art{position:relative;min-width:0;align-self:stretch;display:flex;align-items:center;justify-content:center;flex-direction:column}
.art-grid{position:absolute;inset:12% 2% 6%;background-image:linear-gradient(#ffffff06 1px,transparent 1px),linear-gradient(90deg,#ffffff06 1px,transparent 1px);background-size:36px 36px;mask-image:radial-gradient(ellipse,#000 15%,transparent 72%);-webkit-mask-image:radial-gradient(ellipse,#000 15%,transparent 72%)}
.coordinate{position:absolute;left:50%;transform:translateX(-50%);white-space:nowrap;font-family:Consolas,monospace;font-size:9px;letter-spacing:2px;color:#656565}
.coordinate-top{top:13px}
.orbit-art{position:relative;width:100%;max-width:520px;margin-top:5px}
.art-caption{display:flex;align-items:center;gap:34px;margin-top:-16px;font-size:11px;letter-spacing:2px;color:#777}
.tiny-cross{font-family:monospace;font-size:17px;color:#505050}
.selection{padding-bottom:35px}
.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:21px}
.section-heading h2{font-size:18px;letter-spacing:.2px;margin:0;font-weight:650}
.section-heading>span{display:flex;align-items:center;gap:11px;font-size:9px;font-weight:500;letter-spacing:1.8px;color:#6f6f6f}
.section-heading svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.1}
.trade-options{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.trade-card{padding:27px 30px 0;border:1px solid transparent;border-radius:5px;position:relative;transition:transform .22s ease,background .22s ease,border-color .22s ease;min-width:0}
.trade-card:hover{transform:translateY(-4px)}
.live-card{color:#111;background:#f4f4f4}
.live-card:hover{background:white}
.paper-card{color:#f4f4f4;background:#161616;border-color:#343434}
.paper-card:hover{border-color:#777;background:#1c1c1c}
.card-top{display:flex;align-items:center;justify-content:space-between}
.mode{display:flex;align-items:center;gap:8px;font-size:10px;font-weight:700;letter-spacing:1.5px}
.mode-dot{width:5px;height:5px;background:currentColor}
.paper-card .mode-dot{background:var(--lime)}
.card-number{font-family:Consolas,monospace;font-size:11px;color:#999}
.paper-card .card-number{color:#656565}
.card-content{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:28px 0 31px}
.card-content h3{font-size:29px;font-weight:750;letter-spacing:-.8px;margin:0 0 10px}
.card-content p{font-size:13px;color:#686868;line-height:1.7;margin:0}
.paper-card .card-content p{color:#999}
.card-icon{width:51px;height:51px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.5}
.live-icon{stroke:none;width:47px;height:47px}
.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid #d8d8d8;min-height:68px}
.paper-card .card-bottom{border-color:#343434}
.environment{font-size:11px;color:#7e7e7e}
.card-cta{display:flex;align-items:center;gap:16px;white-space:nowrap;font-size:13px;font-weight:700}
.card-cta svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.6;transition:transform .22s}
.paper-card .card-cta svg{color:var(--lime)}
.trade-card:hover .card-cta svg{transform:translateX(4px)}
.selection-note{display:flex;align-items:center;justify-content:center;gap:7px;font-size:11px;line-height:1.7;color:#777;margin:21px 0 0}
.selection-note svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1;flex-shrink:0}
.footer{min-height:78px;border-top:1px solid #252525;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#666;font-size:10px}
.footer-wordmark{font-size:9px;letter-spacing:3px;color:#888}
a:focus-visible{outline:3px solid var(--lime);outline-offset:6px;border-radius:3px}
.live-card:focus-visible{outline-color:var(--lime)}
@media(min-width:1440px){.hero{min-height:540px}}
@media(max-width:1100px){.site-shell{padding:0 40px}.hero{min-height:470px;padding:50px 0}.eyebrow{font-size:9px;letter-spacing:1.3px}h1{font-size:64px}.card-content p{font-size:12px}.trade-card{padding:24px 24px 0}.card-icon{width:42px;height:42px}}
@media(max-width:800px){.site-shell{padding:0 28px}.header{height:80px}.brand{font-size:28px}.header-meta{gap:16px}.hero{grid-template-columns:1.2fr 1fr;min-height:400px;gap:0;padding:45px 0}h1{font-size:52px;letter-spacing:-2.5px}.hero-description{font-size:14px}.coordinate{font-size:7px;letter-spacing:1px}.art-caption{font-size:9px;gap:16px;margin-top:0;letter-spacing:1px}.trade-options{gap:14px}.trade-card{padding:22px 20px 0}.card-content{padding:25px 0}.card-content h3{font-size:25px}.card-icon{display:none}.environment{font-size:10px}.card-cta{font-size:12px;gap:9px}.section-heading h2{font-size:16px}}
@media(max-width:600px){.site-shell{padding:0 22px}.header{height:76px}.brand{font-size:28px}.brand-mark{width:24px;height:24px}.portal-label,.divider{display:none}.header-meta{font-size:11px}.language svg{width:16px;height:16px}.hero{display:flex;flex-direction:column;align-items:stretch;padding:40px 0 29px;gap:16px}.eyebrow{font-size:8px;letter-spacing:1.5px;margin-bottom:24px}h1{font-size:clamp(47px,11vw,65px);line-height:1.24;margin-bottom:20px}.hero-description{line-height:1.8;margin-bottom:22px}.hero-link{font-size:12px;gap:24px}.hero-art{height:238px;align-self:auto;margin:0 -5px}.orbit-art{width:300px;max-width:100%;height:242px;margin-top:0}.coordinate-top{top:0;font-size:7px}.art-caption{position:absolute;bottom:0;font-size:9px;gap:23px}.section-heading{margin-bottom:17px}.section-heading>span{font-size:7px;letter-spacing:1px;gap:6px}.section-heading h2{font-size:16px}.trade-options{grid-template-columns:1fr;gap:14px}.trade-card{padding:24px 24px 0}.card-content{padding:24px 0 26px}.card-content h3{font-size:27px;margin-bottom:9px}.card-content p{font-size:12px}.card-icon{display:block;width:42px;height:42px}.card-bottom{min-height:62px}.card-cta{font-size:12px;gap:12px}.environment{font-size:11px}.selection-note{font-size:10px;gap:5px;margin-top:19px}.selection{padding-bottom:27px}.footer{min-height:82px;flex-wrap:wrap;justify-content:space-between;gap:9px;padding:21px 0;font-size:9px}.footer-wordmark{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}