.sidenav {
   position: relative;
   background-color: #fff;
}
@media (max-width: 991px) {
   .sidenav {
      margin-bottom: 30px;
   }
}
.sidenav .title-sidenav {
   padding: 15px;
   background-color: #c50909;
}
.sidenav .title-sidenav h2 {
   font-size: 24px;
   font-weight: bold;
   line-height: 30px;
   margin: 0;
   text-transform: capitalize;
   color: #fff;
}
.sidenav>ul {
   margin: 0;
   padding: 0;
}
@media (max-width: 991px) {
   .sidenav>ul {
      padding: 10px 0;
   }
}
.sidenav>ul>li {
   border-bottom: 1px solid #dcdcdc;
}
@media (max-width: 991px) {
   .sidenav>ul>li {
      display: inline-block;

      vertical-align: top;

      border-bottom: none;
   }
}
.sidenav>ul>li>a {
   font-size: 15px;
   font-weight: bold;
   line-height: 30px;
   text-align:left;
   display: block;
   padding: 10px;
   -webkit-transition: all .2s;
   transition: all .2s;
}
@media (max-width: 991px) {
   .sidenav>ul>li>a {
      line-height: 24px;

      padding: 5px 10px;
   }
}
@media (max-width: 767px) {
   .sidenav>ul>li>a {
      font-size: 14px;

      padding: 0 10px;
   }
}
.sidenav>ul>li.active>a,
.sidenav>ul>li:hover>a {
   color: #c50909;
}
.sidenav>ul>li .nav-list3 {
   position: absolute;
   top: 100%;
   left: 0;

   display: none;

   width: 100%;
   padding: 10px 0;

   color: #666;
   background-color: #fff;
   box-shadow: 0 0 10px rgba(0, 0, 0, .15);
}
.sidenav>ul>li .nav-list3 li a {
   font-size: 14px;
   font-weight: normal;
   line-height: 24px;
   
   display: block;

   padding: 2px 10px;

   white-space: nowrap;
}
.sidenav>ul>li .nav-list3 li.active>a,
.sidenav>ul>li .nav-list3 li:hover>a {
   color: #c50909;
}
.sidenav>ul>li .snav-list3 {
   display: none;

   background-color: #eee;
}
.sidenav>ul>li .snav-list3 li a {
   font-size: 14px;
   font-weight: normal;
   line-height: 20px;
   display: block;
   text-align:left;
   padding: 13px 10px 2px;
   white-space: normal;
  word-wrap: break-word;      /* 兼容旧版浏览器 */
  overflow-wrap: break-word;
}
.sidenav>ul>li .snav-list3 li {
   margin-bottom:0;
}
.sidenav>ul>li .snav-list3 li:last-child {
   padding-bottom:15px;
}
.sidenav>ul>li .snav-list3 li.active>a,
.sidenav>ul>li .snav-list3 li:hover>a {
   color: #c50909;
}