body{font-family:system-ui,sans-serif;margin:0;background:#f4f6fa;color:#222}header{background:#1f4e8c;color:#fff;padding:10px 20px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}header button{background:none;border:0;color:#fff;font-size:15px;cursor:pointer}header button.on{text-decoration:underline}main{padding:20px;max-width:1100px;margin:auto}table{border-collapse:collapse;width:100%;background:#fff}td,th{padding:6px 8px;border-bottom:1px solid #e3e6ec;text-align:left}td.n,th.n{text-align:right}.card{background:#fff;padding:16px;border-radius:8px;margin-bottom:16px;box-shadow:0 1px 3px #0001}input,select,textarea{padding:6px;margin:3px;font-size:14px}button{padding:6px 12px;cursor:pointer}.login{max-width:340px;margin:80px auto;text-align:center}.login input{width:90%}.tag{color:#555;font-size:14px;margin-top:-6px}.err{color:#b00}.warn{background:#fff4d6;padding:8px;border-radius:6px}a{color:#1f4e8c}