.main-left {
  float: left;
  width: 335px
}

.main-left h3 {
  border-bottom: 1px solid #efefef;
  height: 54px;
  line-height: 54px;
  position: relative;
  font-size: 17px;
  color: #212121;
  font-weight: 700;
  text-transform: uppercase
}

.main-left h3::after {
  display: none;
  font-family: qico;
  content: "\e727";
  position: absolute;
  right: 0;
  top: 5px;
  width: 40px;
  height: 40px;
  line-height: 40px;
  font-size: 20px;
  text-align: center;
  -webkit-transition: -webkit-transform 0.3s ease;
  transition: -webkit-transform 0.3s ease;
  transition: transform 0.3s ease;
  transition: transform 0.3s ease, -webkit-transform 0.3s ease
}

.main-left h3.active::after {
  -webkit-transform: rotate(45deg) scale(1.08);
  -ms-transform: rotate(45deg) scale(1.08);
  transform: rotate(45deg) scale(1.08)
}

.sidemenu {
  margin: 0 0 18px
}

.sidemenu ul {}

.sidemenu > ul > li {
  border-bottom: 1px solid #efefef
}

.sidemenu > ul > li h5 {
  line-height: 20px;
  display: block;
  font-size: 17px;
  color: #181818;
  cursor: pointer;
  position: relative
}

.sidemenu > ul > li h5 a {
  display: block;
  padding: 18px 50px 18px 0;
  text-transform: capitalize
}

.sidemenu > ul > li h5 a:hover {
  color: #977D62;
  text-decoration: underline
}

.sidemenu > ul > li h5 span {
  position: absolute;
  top: calc(50% - 23px);
  right: 0;
  background: url('./pics/i10.png') no-repeat center;
  width: 46px;
  height: 46px;
  display: block
}

.sidemenu > ul > li ul {
  display: none;
  padding: 15px 0
}

.sidemenu > ul > li ul li {
  line-height: 20px;
  padding: 5px 0
}

.sidemenu > ul > li ul li:last-child {
  border-bottom: none
}

.sidemenu > ul > li ul li a {
  font-size: 14px;
  display: block;
  color: #666;
  padding-left: 15px;
  text-transform: capitalize
}

.sidemenu > ul > li ul li.active a,
.sidemenu > ul > li ul li a:hover {
  color: #977D62;
  background: url('https://okki-shop.oss-cn-hangzhou.aliyuncs.com/462/upload/about/6e8747c592512100a5c511e11fa7f19e6920cf90fa901eb17f9439158ac86b66.png') no-repeat left 6px
}

.sidemenu > ul > li.active h5 a {
  color: #977D62;
  border-bottom: 1px solid #ededed
}

.sidemenu > ul > li.active span {
  background: url('https://okki-shop.oss-cn-hangzhou.aliyuncs.com/category/347889/462/d86a9ea915fd0d1aa47d13f287149355/i10-1_%E7%9C%8B%E5%9B%BE%E7%8E%8B.web.png') no-repeat center
}

.main-right{margin:0 0 0 370px;}

@media screen and (max-width:1441px) {
.main-left{width:300px}
.main-right{margin:0 0 0 340px;}
}

@media screen and (max-width:1367px) {
.main-left{width:280px}
.main-right{margin:0 0 0 320px;}
}  
 
@media screen and (max-width:1280px) {
.main-left{width:260px}
.main-right{margin:0 0 0 300px;}
}  
  
@media screen and (max-width:992px) {
.main-left{float:none;width:100%}
  .main-left h3::after {
    display: block
  }
.sidemenu ul {
    display: none
  }
.main-right{margin:20px 0 0;}  
}
 
 
@media screen and (max-width: 768px) {

  .main-left h3 {
    height: 50px;
    line-height: 50px;
    font-size: 16px
  }

  .sidemenu > ul > li h5 a {
    padding: 10px 50px 10px 0
  }

  .sidemenu > ul > li h5 {
    font-size: 16px
  }
}