.popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9999;
}
.popup .popup-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  width: 500px;
  min-height: 300px;
}
.popup .popup-box .popup-title {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 10px;
  text-align: center;
}
.popup .popup-box .popup-close {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 20px;
  cursor: pointer;
  color: #333;
  font-family: '宋体';
}
.popup .popup-box .popup-close:hover {
  color: #f00;
}
.popup .popup-box .popup-content {
  overflow: auto;
  padding: 10px;
}
.popup .popup-box .popup-content .popup-item {
  margin-bottom: 10px;
}
.popup .popup-box .popup-content .popup-item label {
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 5px;
  color: #333;
  width: 100px;
  display: inline-block;
  text-align: right;
  margin-right: 10px;
}
.popup .popup-box .popup-content .popup-item input[type='text'] {
  width: 300px;
  height: 30px;
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 0 10px;
}
.popup .popup-box button {
  width: 140px;
  height: 40px;
  border: none;
  border-radius: 5px;
  background: linear-gradient(270deg, #3456d3 0, #4681fd 100%);
  color: #fff;
  font-size: 14px;
  font-weight: bold;
  margin-top: 10px;
  cursor: pointer;
  margin-left: 180px;
}