:root{--paper:#fff8e7;--ink:#2f2a22;--muted:#756d60;--line:#2f2a22;--green:#dff0d7;--blue:#eaf3ff;--red:#ffe0d8}*{box-sizing:border-box}body{background:var(--paper);min-height:100vh;color:var(--ink);margin:0;font-family:ui-rounded,PingFang SC,Microsoft YaHei,system-ui,sans-serif}a{color:inherit}.page{place-items:center;min-height:100vh;padding:24px;display:grid}.panel{border:2px solid var(--line);width:min(440px,100%);box-shadow:4px 4px 0 var(--line);background:#fffdf5;border-radius:16px;padding:22px}.brand{align-items:center;gap:10px;margin-bottom:16px;font-weight:950;display:flex}.mark{border:2px solid var(--line);background:var(--green);width:34px;height:34px;box-shadow:3px 3px 0 var(--line);border-radius:48% 52% 45% 55%}h1{margin:0 0 8px;font-size:26px}p{color:var(--muted);line-height:1.45}.form{gap:12px;margin-top:18px;display:grid}label{font-weight:900}input{border:2px solid var(--line);width:100%;font:inherit;background:#fff;border-radius:10px;margin-top:6px;padding:11px 12px}.btn{border:2px solid var(--line);width:100%;box-shadow:3px 3px 0 var(--line);color:inherit;cursor:pointer;font:inherit;text-align:center;background:#fff;border-radius:12px;padding:11px 12px;font-weight:950;text-decoration:none}.btn.primary{background:var(--green)}.btn.google{background:var(--blue)}.status{min-height:22px;font-size:13px;font-weight:850}.status.error{color:#9f3426}.split{border-top:2px dashed #2f2a223d;gap:10px;margin-top:14px;padding-top:14px;display:grid}