:root{color-scheme:dark;--bg:#080c0d;--fg:#f5f7f8;--muted:#b9c2cb;--lime:#d0fa4c;--line:#47525b}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--fg);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased;min-height:100svh}
.claim{width:min(100% - 48px,400px);min-height:100svh;margin:auto;padding:40px 0 26px;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:12px;width:fit-content;text-decoration:none;color:var(--fg);font-size:30px;font-weight:700;letter-spacing:-1px}
.brand svg{width:44px;height:44px;color:var(--lime)}
.step{margin-top:clamp(60px,13svh,110px)}
h1{font-size:clamp(34px,9vw,44px);font-weight:700;letter-spacing:-1.4px;line-height:1.12;margin:0 0 18px;outline:none}
p{color:var(--muted);font-size:17px;line-height:1.5;margin:0 0 36px;overflow-wrap:anywhere}
form{display:grid;gap:12px}
#contactField{display:grid;gap:10px;margin-top:6px}
#contactField small{color:var(--muted);font-size:12px;line-height:1.5}
label{font-size:14px;color:var(--muted)}
input{width:100%;min-width:0;background:#12191d;color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:17px 18px;font:inherit;font-size:16px;min-height:54px}
input::placeholder{color:#a2afba;opacity:1}
.primary{margin-top:10px;display:flex;align-items:center;justify-content:center;min-height:54px;padding:14px 18px;border:0;border-radius:8px;background:var(--lime);color:#101608;text-decoration:none;font:inherit;font-size:16px;font-weight:700;cursor:pointer}
.primary:hover{background:#ddff7c}
button:disabled{cursor:wait;opacity:.65}
:focus-visible{outline:2px solid var(--lime);outline-offset:4px}
.secondary{display:flex;justify-content:center;align-items:center;gap:15px;margin-top:23px;color:var(--muted)}
.secondary button{font:inherit;font-size:14px;color:var(--muted);background:none;border:0;padding:12px 0;text-decoration:underline;text-underline-offset:4px;cursor:pointer;min-height:44px}
.secondary button:disabled{cursor:default;opacity:1;color:#a2afba;text-decoration:none}
.secondary a{color:var(--muted);font-size:14px;text-underline-offset:4px;min-height:44px;display:flex;align-items:center}
.done{text-align:center}
.check{width:56px;height:56px;color:var(--lime);margin:0 auto 28px}
.done p{margin-bottom:28px}
html[lang="zh-CN"] .done .check{margin-bottom:24px}
html[lang="zh-CN"] .done h1{margin-bottom:12px;line-height:1.25;letter-spacing:-.5px}
html[lang="zh-CN"] #doneOffer{font-size:16px;line-height:1.65;margin-bottom:20px}
html[lang="zh-CN"] #doneExpiry{white-space:pre-line;font-size:14px;line-height:1.75;font-variant-numeric:tabular-nums;margin-bottom:24px}
html[lang="zh-CN"] .done .primary{margin-top:0}
.notice{min-height:24px;font-size:14px;margin:18px 0 0;color:#ffc9bd}
footer{margin-top:auto;padding-top:50px;text-align:center;color:var(--muted);font-size:12px;line-height:1.8}
footer a{color:var(--muted);text-underline-offset:3px}
noscript{color:var(--muted);margin-top:24px}
@media(min-width:700px){.claim{padding-top:64px;padding-bottom:36px;min-height:min(100svh,850px)}}
@media(max-height:650px){.step{margin-top:36px}footer{padding-top:24px}}