修改el-select样式

.select_box{
  // 默认placeholder
  :deep .el-input__inner::placeholder {
    font-size: 14px;
    font-weight: 500;
    color: #3E534F;
  }
  // 默认框状态样式更改
  :deep .el-input__wrapper {
    height: 42px;
    background-color: rgba(0,0,0,0)!important;
    box-shadow: 0 0 0 1px #204C42 inset!important;
    --el-select-focus-border-color:#5AC087!important;
    --el-select-hover-border-color: #5AC087!important;
  }
  // 修改下拉框样式-点击框focus
  :deep .is-focus .el-input__wrapper {
    box-shadow: 0 0 0 1px #5AC087 inset!important;
    --el-select-focus-border-color:#5AC087!important;
    --el-select-hover-border-color: #5AC087!important;
  }
  :deep .el-select__caret {
    color:#5AC087!important;  // 清除按钮
  }
  :deep .el-input__inner {
    color: #5AC087!important; // 选中字体色
  }
}

// 下拉框-展开样式
.el-select-dropdown__item.selected {
  // background-color: #83e818!important; // 选中
}
.el-select-dropdown__item.hover {
  background-color: #498f6c!important; // hover
}
:deep .el-dropdown-menu__item:not(.is-disabled) {
  // color: #182F23!important; // disabled
}
.el-select-dropdown__item {
  color: #4FC78A !important; // 下拉项颜色
}
:deep .el-popper{
  background-color: #121f1b!important; // 展开下拉背景
  border: 1px solid #498f6c!important; // 展开下拉边框
}
:deep .el-popper .el-popper__arrow::before{
  border-top: 1px solid #498f6c!important; // 箭头按钮边框
  background-color: #121f1b!important; // 箭头按钮背景色
}

input如下

<el-input clearable v-model="name" placeholder="请输入" class="input-with-select input_box" style="width: 148px;margin: 0 40px;position: absolute;right:67px;" />

.input_box{
  // 默认状态样式更改
  height: 42px;
  --el-input-bg-color:rgba(0,0,0,0)!important;
  --el-input-border-color:#204C42!important;
  --el-input-focus-border-color:#5AC087!important;
  --el-input-hover-border-color: #5AC087!important;

  /* 只更改具有.el-input类名的元素的占位符文本样式 */
  :deep .el-input__inner::placeholder {
    font-size: 14px;
    font-weight: 500;
    color: #3E534F;
  }
  // 清除按钮
  :deep .el-input__clear {
    color: #5AC087!important;
  }
  :deep .el-input__inner {
    color: #5AC087!important; // 字体色
  }

}