nutui/src/packages/tab/tab.scss

.nut-tab-part{
  margin-bottom: 20px;
}
.nut-tab-horizontal {
  display: flex;
  flex-direction: row;
  position: relative;
}

.close-btn {
  position: absolute;
  width: 17px;
  height: 17px;
  text-align: center;
  line-height: 14px;
  font-size: 16px;
  background: #999;
  font-weight: normal;
  color: #fff;
  right: 0px;
  top: 0px;
  border-radius: 50%;
}
.nut-tab-horizontal .close-btn {
  position: absolute;
  width: 17px;
  height: 17px;
  text-align: center;
  line-height: 14px;
  font-size: 16px;
  background: #999;
  font-weight: normal;
  color: #fff;
  right: 0px;
  top: 0px;
  border-radius: 50%;
}
.nut-tab-title-topnav {
  //border:1px solid #fff;
  border-bottom: 1px solid #ededed;
  scroll-behavior: smooth;
  width: 100%;
  display: flex;
  height: 48px;
  line-height: 48px;
  box-sizing: border-box;
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  &::-webkit-scrollbar {
      display: none;
  }
  .nut-tab-active {
    background: #fff;
    position: relative;
    border: 0;
    .nut-tab-link{
        color: #E1251B;
        font-weight: bold;
    }
    .tab-line{
      &:after{
        content: "";
        position: absolute;
        width: 30%;
        transform: translateX(-50%);
        height: 2px;
        background: #E1251B;
        bottom: 0px;
        left: 50%;
        z-index: 20;
      }
    }
  }
}
.nav-bar-top {
  position: absolute;
  height: 2px;
  bottom: 0px;
  left: 0px;
  z-index: 2;
  background: $primary-color;
  transition: all 0.3s ease-in-out;
}
.nut-tab-title-leftnav {
  border-right: 1px solid #fff;
  scroll-behavior: smooth;
  width: 90px;
  display: flex;
  flex-direction: column;
  position: relative;
  // height: 200px;
  overflow-y: auto;
  overflow-x: hidden;
  &::-webkit-scrollbar {
      display: none;
  }
  .nav-bar-left {
    position: absolute;
    width: 2px;
    right: 0px;
    top: 0px;
    z-index: 2;
    background: $primary-color;
    transition: all 0.3s ease-in-out;
  }
  .nut-title-nav {
    border: 0;
    background: #F7F7F7;
    border-left: 1px solid #f5f7fa;
  }
  .nut-tab-active {
    .nut-tab-link{
      position: relative;
      background: #fff;
      color: #E1251B;
      font-weight: bold;
    }
    .tab-line{
      &:after{
        content: "";
        position: absolute;
        height: 100%;
        width: 3px;
        background: #E1251B;
        left: 0px;
        top: 0;
        z-index: 2;
      }
    }
  }
}
.nut-tab-title-rightnav {
  background: #F7F7F7;
  // border: 1px solid #fff;
  scroll-behavior: smooth;
  border-left: 1px solid #fff;
  width: 100px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
  box-sizing: border-box;
  &::-webkit-scrollbar {
      display: none;
  }
  .nav-bar-right {
    position: absolute;
    width: 2px;
    left: 0px;
    top: 0px;
    background: #E1251B;
    z-index:2;
    transition: all 0.3s ease-in-out;
  }
  .nut-tab-active {
    .nut-tab-link{
      background: #fff;
      color: #E1251B;
      font-weight: bold;
    }
    .tab-line{
      &:after{
        content: "";
        position: absolute;
        height: 100%;
        width: 3px;
        background: #E1251B;
        right: 0px;
        top: 0;
        z-index: 2;
      }
    }
  }
}
.nut-tab-link {
  color: #969696;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  text-decoration: none;
  line-height: 1;
  width: 100%;
  height:100%;
  font-size: 13px;
}
.nut-tab-title-bottomnav {
  border: 1px solid #fff;
  scroll-behavior: smooth;
  border-top: 1px solid #ededed;
  width: 100%;
  display: flex;
  height: 48px;
  line-height: 48px;
  box-sizing: border-box;
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  &::-webkit-scrollbar {
      display: none;
  }
  .nav-bar-bottom {
    position: absolute;
    height: 2px;
    left: 0px;
    top: 0px;
    z-index: 2;
    background: $primary-color;
    transition: all 0.3s ease-in-out;
  }
  .nut-tab-active {
    background: #fff;
    position: relative;
    border: 0;
    .nut-tab-link{
        color: #E1251B;
        font-weight: bold;
    }
    .tab-line{
      &:after{
        content: "";
        position: absolute;
        width: 30%;
        transform: translateX(-50%);
        height: 2px;
        background: #E1251B;
        top: 0px;
        left: 50%;
        z-index: 20;
      }
    }
  }
}

.nut-title-nav-topnav,.nut-title-nav-bottomnav{
  flex: 1;
  position: relative;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  display: flex;
  background: #fff;
  box-sizing: border-box;
}
.nut-title-nav-leftnav {
  flex: 1;
  display: flex;
  padding-left: 5px;
  //justify-content: center;
  align-items: center;
  position: relative;
}
.nut-title-nav-rightnav {
  flex: 1;
  display: flex;
  padding-right: 5px;
  justify-content: flex-end;
  align-items: center;
  position: relative;
}
.nut-title-nav-scroll{
  min-width: 100px;
  position: relative;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  display: flex;
  background: #fff;
  box-sizing: border-box;
}
.nut-title-vertical-scroll{
  min-height: 50px;
  position: relative;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  display: flex;
  box-sizing: border-box;
}
.nut-tab-icon {
  display: inline-block;
  margin-right: 5px;
  width: 20px;
  height: 20px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.nut-tab-item {
  height: 88px;
  border: 1px solid #fff;
  background: #fff;
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
  font-size: 14px;
  color: #646464;
  .hide {
    display: none;
  }
}
.nut-tab-disable {
  .nut-tab-link{
    color: #C8C8C8 !important;
    font-size: 15px;
  }
}
.tabbar-nav-word {
  font-size: $font-size-small;
}