:root{color-scheme:light;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--zb-text);background:var(--zb-canvas)}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--zb-canvas)}.login-card{width:min(100%,480px);padding:40px;background:var(--zb-field);border:1px solid var(--zb-line);border-radius:18px;box-shadow:var(--zb-shadow-lg)}.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:36px}.login-brand img{width:34px;height:34px}.login-brand strong{flex:1}.login-brand select{padding:7px;font-size:13px}h1{font-size:29px;letter-spacing:-1px;margin:0 0 12px}p{line-height:1.7;color:var(--zb-muted);font-size:14px}label{display:block;font-size:13px;font-weight:600;margin:20px 0 7px}input,select{width:100%;padding:12px;border:1px solid var(--zb-line-strong);border-radius:7px;font:inherit;background:var(--zb-field);color:inherit}.login-brand select{width:auto}input:focus,select:focus{outline:2px solid var(--zb-focus);outline-offset:2px}button{background:var(--zb-primary);border:0;border-radius:7px;padding:13px;width:100%;color:var(--zb-on-primary);font:inherit;font-weight:600;cursor:pointer;margin-top:25px}button:disabled{opacity:.6;cursor:wait}.error{color:var(--zb-danger);white-space:pre-line;margin-top:16px}.footer{font-size:11px;margin:32px 0 0;border-top:1px solid var(--zb-line-soft);padding-top:20px}.notice{padding:14px;background:var(--zb-accent-soft);border-radius:8px}