:root{color-scheme:light;--bg:#fff;--fg:#111;--muted:#888;--border:#e5e5e5;--subtle:#f5f5f5;--radius:8px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;color:var(--fg);background:var(--bg)}*{box-sizing:border-box}body{margin:0}main{width:min(100% - 48px,360px);margin:clamp(48px,14vh,140px) auto 48px}.logo{width:44px;height:44px;border-radius:50%;display:block;margin-bottom:28px}h1{font-size:24px;font-weight:600;line-height:1.4;margin:0 0 8px;letter-spacing:-.4px}h2{font-size:17px;font-weight:600}p{line-height:1.7}.tagline{font-size:18px;color:var(--muted);margin:0 0 36px}button,input{font:inherit}button{cursor:pointer;border:0;border-radius:var(--radius);font-size:13px;font-weight:500;min-height:40px;padding:10px 16px;background:var(--subtle);color:var(--fg)}button:disabled{cursor:default;color:var(--muted)}button:focus-visible,a:focus-visible{outline:2px solid #111;outline-offset:3px}input:focus{outline:1px solid #111;outline-offset:-1px}button.primary{background:#111;color:#fff;width:100%}button.primary:disabled{opacity:.45}.row{display:flex;gap:12px}.row>button{flex:1}.oauth{display:flex;align-items:center;justify-content:center;gap:8px}.icon{height:18px;width:18px;flex:none}.separator{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:12px;margin:26px 0 20px}.separator:before,.separator:after{content:"";height:1px;flex:1;background:var(--border)}.tabs{display:flex;gap:24px;border-bottom:1px solid var(--border);margin-bottom:24px}.tab{background:transparent;border-radius:0;padding:0 0 12px;min-height:34px;color:#777;border-bottom:2px solid transparent}.tab[aria-selected=true]{color:#111;border-bottom-color:#111}.field{height:44px;display:flex;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:0 0 20px}.prefix{margin:10px 0;padding:1px 14px;border-right:1px solid var(--border);color:#666;white-space:nowrap}.field input{width:100%;min-width:0;border:0;padding:10px 14px;background:#fff;color:#111}.field:focus-within{border-color:#111}.field input:focus{outline:none}input::placeholder{color:#999}.codes{display:flex;gap:10px;margin:32px 0 24px}.codes input{min-width:0;width:calc((100% - 50px)/6);height:52px;text-align:center;border:1px solid var(--border);border-radius:6px;font-size:22px;background:#fff;color:#111}.link{background:none;padding:0;min-height:32px;text-decoration:underline;text-underline-offset:3px;color:#666}.center{text-align:center;margin-top:24px}.notice{font-size:13px;line-height:1.6;margin:16px 0;color:#555;overflow-wrap:anywhere}.notice:empty{display:none}.user{display:flex;gap:12px;align-items:center;padding:16px;border:1px solid var(--border);border-radius:10px;margin:32px 0 24px}.avatar{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--subtle);color:#666;flex:none}.user p{margin:2px 0;font-size:13px;color:#777;overflow-wrap:anywhere}.terms{font-size:12px;color:#777;margin:16px 0;line-height:1.7}.terms input{vertical-align:middle}.terms a{color:#555}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.muted{color:#888;font-size:13px}.description{color:#5d5d5d;font-size:13px;line-height:1.8;margin:12px 0 28px}.success{margin:28px 0}.small-gap{margin-top:20px}@media(max-width:400px){main{width:calc(100% - 40px);margin-top:48px}.codes{gap:8px}.codes input{width:calc((100% - 40px)/6)}.row{gap:8px}.oauth{padding:10px 8px}}
h2 { font-size: 16px; margin: 28px 0 12px; font-weight: 600; }
.security-row { display: flex; gap: 12px; align-items: center; justify-content: space-between; border-bottom: 1px solid #eee; padding: 16px 0; font-size: 13px; }
.security-row p { margin: 5px 0; }
.security-row .link { padding: 6px; font-size: 12px; }
.security-row > div:last-child { display: flex; flex-wrap: wrap; justify-content: flex-end; }

.handoff{display:block;text-align:center;text-decoration:none;background:#111;color:#fff;border-radius:var(--radius);padding:12px 16px;font-weight:500}