.popup-layer {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 100099;
  background: rgba(0, 0, 0, 0.5);
  overflow: hidden;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
}
.popup-layer .popup-box {
  position: relative;
  left: 50%;
  z-index: 100;
  width: 600px;
  margin-left: -300px;
  border-radius: 5px;
  background: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}
.popup-layer .popup-title {
  height: 40px;
  line-height: 40px;
  padding: 0 20px;
  font-size: 16px;
  border-bottom: 1px solid #eee;
}
.popup-layer .popup-title strong {
  color: #333;
}
.popup-layer .popup-close {
  display: block;
  position: absolute;
  top: 5px;
  right: 10px;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  font-size: 20px;
  cursor: pointer;
}
.popup-layer .popup-content {
  max-height: 500px;
  padding: 20px;
  overflow-y: auto;
  line-height: 25px;
  font-size: 14px;
}
.popup-layer .popup-dialog {
  position: relative;
  left: 50%;
  z-index: 100;
  width: 300px;
  margin-left: -150px;
  border-radius: 5px;
  background: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}
.popup-layer .popup-footer {
  height: 40px;
  line-height: 40px;
  border-top: 1px solid #f5f5f5;
  display: -webkit-flex;
  display: flex;
}
.popup-layer .popup-footer button {
  font-size: 14px;
  text-align: center;
  border: none;
  background: none;
  outline: none;
  cursor: pointer;
  -webkit-flex: 1;
  flex: 1;
}
.popup-layer .popup-footer button:first-child {
  border-right: 1px solid #f5f5f5;
}
.popup-layer .popup-footer .cancel {
  color: #666;
}
.popup-layer .popup-footer .major {
  color: #111;
  font-weight: bold;
}