.dd-segment {
  display: flex;
  height: 28px;
  overflow: hidden;
  line-height: 28px;
  background-color: #fff;
  box-sizing: border-box;
  border-radius: 3px;
}

.dd-segment-disabled .dd-segment-item {
  opacity: 0.3;
}

.dd-segment-item {
  display: flex;
  flex: 1;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 0 12px;
  border: 1px solid #3296FA;
  border-left-width: 0;
  color: #3296FA;
  font-size: 14px;
  box-sizing: border-box;
}

.dd-segment-item:first-child {
  border-left-width: 1px;
  border-radius: 3px 0 0 3px;
}

.dd-segment-item:last-child {
  border-radius: 0 3px 3px 0;
}

.dd-segment-item-selected {
  color: #fff;
  background: #3296FA;
}

.dd-segment-item-active .dd-segment-item-mask {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  opacity: 0.2;
  transition: background .2s;
  background-color: #3296FA;
}

.dd-segment-disabled .dd-segment-item-mask {
  width: 0;
}