.container{
	width: 100vw;
	min-height: 100vh;  
	margin: 0;
	padding: 0;
	top: 0;
	left: 0;
	position: absolute;
} 
.head_img{
	width: 100vw;
	height: 5vw;
	position: absolute;
	z-index: -1;
	top: 0;
}
.head_back{ 
	width: 100vw; 
	position: fixed;
	top: 0;
}

.item_img{
	width: 100vw; 
	height: auto;  
}

.su_line{
	width: 1px;
	height: 14px;
	background: #FFF;
}

.menu_item{
	padding: 0 25px; 
	font-size: 14px;
	color: #FFF;
}

.menu_item:hover{
	color: #349A8F;
}

.menu_item_sel{
	padding: 0 25px; 
	font-size: 14px;
	color: #349A8F;
}

.no_low{
	text-decoration: none;
	color: #FFF;
}

.menu_line{
	width: 20px; 
	height: 3px;
	margin-top: 10px;
	border-radius: 30px;
	background: transparent;
}

.ani{
	animation: in 1s linear 1;
    -webkit-animation: in 1s linear 1;
}

.flex_right{
  justify-content: right;
}

.flex_row, .flex_column {
  display: flex;
}

.flex_row {
  flex-direction: row;
}

.flex_column {
  flex-direction: column;
}

.flex_vcenter,.flex_center{
  align-items: center
}

.flex_hcenter,.flex_center{
  justify-content: center;
}

.flex_space{
  justify-content: space-between;
}
.flex_around{
  justify-content: space-around;
}
.flex_wrap{
  flex-wrap: wrap;
}
.flex_grow_1{
  flex-grow: 1;
}
.flex_end{
  align-items: flex-end;
  justify-content: flex-end;
}


@keyframes in {
    from {
        opacity: 0.2;
        margin-top: 20px;
    }
    to {
        margin-top: 0px;
        opacity: 1;
    }
}

@-webkit-keyframes in {
    from {
        opacity: 0.2;
        margin-top: 20px;
    }
    to {
        margin-top: 0px;
        opacity: 1;
    }
}