:root{color-scheme:light;--ink:#17243b;--muted:#67758a;--blue:#2563eb;--line:#dce4ee}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#f5f8fc;color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.65}header{height:84px;max-width:1120px;margin:auto;padding:20px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px;font-weight:750;font-size:21px;letter-spacing:-.5px;color:var(--ink);text-decoration:none}.mark{display:grid;place-items:center;width:38px;height:38px;background:var(--blue);color:white;border-radius:11px;font-size:12px;letter-spacing:.2px;box-shadow:0 4px 10px #2563eb22}.console{font-size:14px;color:var(--muted);text-decoration:none}main{width:min(480px,calc(100% - 40px));margin:54px auto 24px;padding:40px;background:white;border:1px solid var(--line);border-radius:20px;box-shadow:0 12px 32px #17243b06}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:750;color:var(--blue);margin-bottom:16px}h1{font-size:27px;letter-spacing:-.6px;line-height:1.35;margin:0 0 12px;font-weight:700}p{margin:12px 0;color:var(--muted)}.intro{margin-bottom:28px}.notice{padding:16px;border-radius:10px;background:#eff5ff;border:1px solid #dce8fc;color:#405a83;margin:24px 0;line-height:1.8}code{font:600 13px ui-monospace,SFMono-Regular,Consolas,monospace;background:#e4ecfa;padding:3px 6px;border-radius:4px}form{display:flex;flex-direction:column;gap:18px;margin:24px 0 0}label{font-size:14px;font-weight:600;display:block}input:not([type=hidden]){display:block;width:100%;height:48px;margin-top:8px;padding:10px 13px;border:1px solid #cdd7e5;border-radius:9px;background:white;color:var(--ink);font:inherit;outline:none;transition:border-color .15s,box-shadow .15s}input:focus-visible{border-color:var(--blue);box-shadow:0 0 0 3px #2563eb18}input[name=code]{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:8px;font-size:22px}button,.primary-link{width:100%;min-height:48px;padding:12px 18px;border:1px solid var(--blue);border-radius:9px;background:var(--blue);color:white;font-family:inherit;font-size:15px;font-weight:600;cursor:pointer;text-align:center;text-decoration:none;display:block;line-height:1.5}button:hover,.primary-link:hover{background:#1d4ed8;color:white}button:focus-visible,a:focus-visible{outline:3px solid #93b4f8;outline-offset:3px}a{color:var(--blue);text-underline-offset:3px}.help{font-size:13px;text-align:center;margin-top:24px}.secondary{margin-top:12px}.secondary button{background:white;color:var(--muted);border-color:var(--line);font-size:13px}.secondary button:hover{background:#f5f8fc;color:var(--ink)}footer{padding:0 20px 40px;margin:auto;max-width:520px;color:#7b879a;font-size:12px;text-align:center;line-height:1.9}footer a{color:#67758a}footer span{padding:0 10px}.email{overflow-wrap:anywhere;color:var(--ink);font-weight:600}@media(max-width:520px){header{height:72px;padding:18px 20px}.brand{font-size:19px}.console{font-size:12px}main{margin-top:20px;padding:28px 24px;border-radius:16px}h1{font-size:25px}}@media(prefers-reduced-motion:reduce){input{transition:none}}