.navan {
  position: relative;
  width: 20%;
  border: none;
  height: 50px;
  z-index: 999;
  background: #fff;
  float: right;
}

.btn-navan {
/*  margin-top: 5px;
  top: 16px;*/
  position: absolute;
  left: 20px;
  background: transparent;
  border: none;
  -webkit-transition: all .5s ease;
  -moz-transition: all .5s ease;
  -ms-transition: all .5s ease;
  -o-transition: all .5s ease;
  transition: all .5s ease;
  cursor: pointer;
  z-index: 99999;
}

.btn-navan:focus {
  outline: 0;
}

.iconan-bar {
  display: block;
  margin: 6px 0;
  width: 30px;
  height: 3px;
  background-color: #444;
}

.btn-navan:hover .iconan-bar {
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -ms-transition: all 1s ease;
  -o-transition: all 1s ease;
  transition: all 1s ease;
  background-color: #444;
}

.navan-content {
  position: fixed;
  top: -100%;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(68,68,68,0.78);
  display: block;
  height: 100%;
  z-index: 888;
}

.navan-list {
  list-style: none;
  padding: 0;
  position: relative;
  padding-top: 80px;
  top: 1%;
  overflow-y: scroll;
}
.navan-list li{
  border-bottom: 1px solid #fff;
  padding-bottom: 1.5rem;
}
.jiantou{width: 20px;height: 10px;position: absolute;right: 20px;top: 5px;}
.navan-list li{position: relative;}
.navan-list li a{display: block;padding:0 20px;}
.navan-list li li:nth-child(1){border-top: 1px solid #fff;padding-top: 1.5rem;}
.navan-list li li:last-child{border-bottom: none;padding-bottom: 0;margin-bottom: 0;}
.navan-list li li a{padding-left: 40px;}
.item-anchor:after {
  content: "";
  position: absolute;
  width: 3px;
  height: 3px;
  left: 0;
  bottom: 0;
  z-index: 9;
  background: transparent;
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -ms-transition: all 1s ease;
  -o-transition: all 1s ease;
  transition: all 1s ease;
}
.navan-list li ul{display: none;}
.navan-list li:hover ul{display: block;}

.item-anchor {
  color: #fff!important;
  font-size: 1.3rem;
  text-transform: uppercase;
  position: relative;
  text-decoration: none;
  padding: 10px;
}

.item-anchor:hover,
.item-anchor:focus {
  color: #fff;
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -ms-transition: all 1s ease;
  -o-transition: all 1s ease;
  transition: all 1s ease;
}

/*.item-anchor:hover:after,
.item-anchor:focus:after{
  width: 100%;
  background: #444;
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -ms-transition: all 1s ease;
  -o-transition: all 1s ease;
  transition: all 1s ease;
}*/

.navan-item {
  margin: 1.5rem auto;
/*  text-align: center;*/
}

.animated {
  display: block;
  margin: 0 auto;
}

.animated:hover .iconan-bar,
.animated:focus .iconan-bar{
  background-color: #444;
}

.animated:focus {
  cursor: pointer;
  z-index: 9999;
}

.middle {
  margin: 0 auto;
}

.iconan-bar {
  -webkit-transition: all .7s ease;
  -moz-transition: all .7s ease;
  -ms-transition: all .7s ease;
  -o-transition: all .7s ease;
  transition: all .7s ease;
  z-index: 999999;
}

.animated .iconan-bar {
  z-index: 999999;
  background-color: #444;
}

.animated .top {
  -webkit-transform: translateY(7px) rotateZ(45deg);
  -moz-transform: translateY(7px) rotateZ(45deg);
  -ms-transform: translateY(7px) rotateZ(45deg);
  -o-transform: translateY(7px) rotateZ(45deg);
  transform: translateY(7px) rotateZ(45deg);
}

.animated .bottom {
  -webkit-transform: translateY(-11px) rotateZ(-45deg);
  -moz-transform: translateY(-11px) rotateZ(-45deg);
  -ms-transform: translateY(-11px) rotateZ(-45deg);
  -o-transform: translateY(-11px) rotateZ(-45deg);
  transform: translateY(-11px) rotateZ(-45deg);
}

.animated .middle {
  width: 0;
}

@keyframes shownavan {
  from {
    top: -100%;
  }
  to {
    top: 0;
  }
}

@-webkit-keyframes shownavan {
  from {
    top: -100%;
  }
  to {
    top: 0;
  }
}

@-moz-keyframes shownavan {
  from {
    top: -100%;
  }
  to {
    top: 0;
  }
}

@-o-keyframes shownavan {
  from {
    top: -100%;
  }
  to {
    top: 0;
  }
}

.shownavan {
  -webkit-animation: shownavan 1s ease forwards;
  -moz-animation: shownavan 1s ease forwards;
  -o-animation: shownavan 1s ease forwards;
  animation: shownavan 1s ease forwards;
}
.navan-content li ul{display: none;}
/*.navan-content li:hover ul{display: block;}*/

@keyframes hidenavan {
  from {
    top: 0;
  }
  to {
    top: -100%;
  }
}

@-webkit-keyframes hidenavan {
  from {
    top: 0;
  }
  to {
    top: -100%;
  }
}

@-moz-keyframes hidenavan {
  from {
    top: 0;
  }
  to {
    top: -100%;
  }
}

@-o-keyframes hidenavan {
  from {
    top: 0;
  }
  to {
    top: -100%;
  }
}

.hidenavan {
  -webkit-animation: hidenavan 1s ease forwards;
  -moz-animation: hidenavan 1s ease forwards;
  -o-animation: hidenavan 1s ease forwards;
  animation: hidenavan 1s ease forwards;
}

.hidden {
  display: none;
}
.m-logo{position: absolute;left: 45%;font-size: 30px;z-index: 99;top: 20px;}
.btn-navan .top{padding:0;display: block;}
.btn-navan .bottom{padding:0;}