:root{--bg:#f5f7f8;--surface:#ffffff;--text:#172126;--muted:#66747b;--line:#dfe5e7;--green:#177a57;--green-dark:#0f6044;--green-soft:#e8f4ef;--red:#b33a3a;--shadow:0 10px 30px rgba(24,42,36,0.08)}*{box-sizing:border-box}body,html{background:var(--bg)}body{margin:0;color:var(--text);font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif;letter-spacing:0}button,input{font:inherit}a,button{-webkit-tap-highlight-color:transparent}button{cursor:pointer}.center-screen,.login-shell{min-height:100vh;display:grid;place-items:center}.login-shell{padding:24px;background:linear-gradient(135deg,#eff5f2,#f7f7f4 55%,#edf2f4)}.login-panel{width:min(100%,410px);padding:40px;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.brand-mark{width:48px;height:48px;display:grid;place-items:center;color:white;background:var(--green);border-radius:8px;margin-bottom:28px}.brand-mark.small{width:34px;height:34px;margin:0;border-radius:6px}.eyebrow{margin:0 0 8px;color:var(--green);font-size:11px;font-weight:800;letter-spacing:1.6px}h1,h2,p{margin-top:0}.login-panel h1{font-size:28px;margin-bottom:10px}.muted{color:var(--muted)}.login-panel form{margin-top:30px}label{display:block;margin-bottom:8px;font-size:13px;font-weight:700}.password-field,.search{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:0 13px}.password-field:focus-within,.search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(23,122,87,.1)}.password-field input,.search input{width:100%;height:44px;border:0;outline:0;background:transparent}.primary{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 17px;color:#fff;background:var(--green);border:0;border-radius:6px;font-weight:700}.primary:hover{background:var(--green-dark)}.primary:disabled{opacity:.65;cursor:wait}.primary.wide{width:100%;margin-top:16px}.form-error{margin:10px 0 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