.wx-coolui-nav {
  border-bottom: 1px solid transparent;
  height: 83rpx;
}

.wx-coolui-nav.border {
  border-bottom: 1px solid #eee;
}

.wx-coolui-nav .nav-inner {
  white-space: nowrap;
}

.wx-coolui-nav .nav-inner .item {
  display: inline-block;
  text-align: center;
  height: 84rpx;
  font-size: 0;
  line-height: 0;
  color: #333;
  transition: color 0.4s;
}

.wx-coolui-nav .nav-inner .item .text {
  position: relative;
  display: inline-block;
  line-height: 84rpx;
  font-size: 28rpx;
  width: 100%;
}

.wx-coolui-nav .nav-inner .item .text > view:first-child {
  position: relative;
  z-index: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wx-coolui-nav .nav-inner .item.round .text {
  padding: 0 20px;
  width: calc(100% - 40px);
}

.wx-coolui-nav .nav-inner .item.round .line {
  display: block;
  position: absolute;
  left: 50%;
  transform: translateX(-50%) translateY(50%);
  bottom: 50%;
  width: 100%;
  height: 60%;
  background-color: #ccc;
  transition: width 0.4s;
  border-radius: 50px;
  z-index: 0;
}

.wx-coolui-nav .nav-inner .item.plain .text {
  padding: 0 20px;
  width: calc(100% - 40px);
}

.wx-coolui-nav .nav-inner .item.plain .line {
  display: block;
  position: absolute;
  left: 50%;
  transform: translateX(-50%) translateY(50%);
  bottom: 50%;
  width: calc(100% - 2px);
  height: 60%;
  background-color: transparent !important;
  border: 1px solid #ccc;
  transition: width 0.4s;
  border-radius: 50px;
  z-index: 0;
}

.wx-coolui-nav .nav-inner .item.line .text .line {
  display: block;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 0;
  height: 4rpx;
  background-color: transparent;
  transition: width 0.4s;
}

.wx-coolui-nav .nav-inner .item.line.on {
  color: #0cba70;
}

.wx-coolui-nav .nav-inner .item.line.on .text .line {
  width: 100%;
}