.shenghuo-common-nav-drop {
    width: 100%;
    height: 60px;
    position:relative;
    background: #333;
    font-size: 16px;
   /* margin-bottom: 48px;*/
  z-index:20;
  }
.shenghuo-common-nav-drop .main {
    width: 1200px;
    margin: 0 auto;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
.shenghuo-common-nav-drop .logo {
    margin-right: 35px;
    height: 75px;
  }
.shenghuo-common-nav-drop .logo img {
    display: block;
    height: 100%;
  }
.shenghuo-common-nav-drop ul {
    padding: 0;
    margin: 0;
    height: 60px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
.shenghuo-common-nav-drop ul li {
    position: relative;
    list-style: none;
    cursor: pointer;
    height: 60px;
    width: auto;
    -webkit-box-flex: 1;
    -ms-flex: auto 0 0px;
    flex: auto 0 0;
    margin-right: 35px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    color: white;
  }
.shenghuo-common-nav-drop ul li em {
    display: block;
    width: 8px;
    height: 8px;
    margin-left: 10px;
    border-left: 1px solid currentColor;
    border-top: 1px solid currentColor;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-transform: translateY(-28%) rotate(-135deg);
    -ms-transform: translateY(-28%) rotate(-135deg);
    transform: translateY(-28%) rotate(-135deg);
    -webkit-transition: all 0.4s;
    transition: all 0.4s;
  }
.shenghuo-common-nav-drop ul li a {
    display: block;
    text-decoration: none;
    color: #fff;
  }
.shenghuo-common-nav-drop ul li.active {
    color: #bf0614;
  }
.shenghuo-common-nav-drop ul li.active a {
    color: #bf0614;
  }
.shenghuo-common-nav-drop ul li:hover {
    color: #bf0614;
  }
.shenghuo-common-nav-drop ul li:hover a {
    color: #bf0614;
  }
.shenghuo-common-nav-drop ul li:hover em {
    -webkit-transform: translateY(28%) rotate(45deg);
    -ms-transform: translateY(28%) rotate(45deg);
    transform: translateY(28%) rotate(45deg);
  }
.shenghuo-common-nav-drop ul li .sub {
    position: absolute;
    display: none;
    width: 370%;
    top: 100%;
    left: 0;
    background: white;
    -webkit-box-shadow: 0 0 2px #ddd;
    box-shadow: 0 0 2px #ddd;
    font-size: 14px;
    overflow: hidden;
    margin-left: -35px;
  }
.shenghuo-common-nav-drop ul li .sub-a {
    position: relative;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    padding: 8px 16px;
  }
.shenghuo-common-nav-drop ul li .sub-a:first-child {
    padding-top: 16px;
  }
.shenghuo-common-nav-drop ul li .sub-a:last-child {
    padding-bottom: 16px;
  }
.shenghuo-common-nav-drop ul li .sub-a:before {
    display: block;
    content: "";
    width: 4px;
    height: 4px;
    background: #bf0614;
    margin-right: 10px;
  }
.shenghuo-common-nav-drop ul li .sub a {
    color: black;
    display: block;
  }
.shenghuo-common-nav-drop ul li:hover .sub {
    display: block;
  }
.shenghuo-common-nav-drop ul li .sub .sub-a a {
    color: #000;
  }
.shenghuo-common-nav-drop ul li .sub .sub-a a:hover {
    color: #bf0614;
  }