@charset "utf-8";

nav {
    width: 100%;
   	margin: 20px auto 0;
}
nav nav {
    border-top: 1px solid #b9cce8;
    border-bottom: 1px solid #b9cce8;
}
nav ul{
	list-style: none;
	display: flex;
	justify-content: center;
	padding: 0;
	margin: 0;
}
nav ul ul{
	display: block;
}

nav ul li{
    width: 14.2%;
    position: relative;
}
nav ul .has-child li{
    float: left;
    height: 60px;
}
nav ul li a{
        display: block;
        text-align: center;
        padding: 10px 0;
        text-decoration: none;
        font-size: 14px;
        color: black;
        padding:10px;
}
nav ul li a:hover {
    border-bottom: solid 3px #00a8ff;
    padding-bottom: 1px;
}
nav ul li.has-child::before{
	content:'';
	position: absolute;
    left: 20px;
    top: 17px;
	width:6px;
	height:6px;
	border-top: 2px solid #999;
    border-right:2px solid #999;
    transform: rotate(135deg);
}

nav li.has-child ul{
    width: 1140px;
    position: absolute;
    left: -315px;
    top: 50px;
    z-index: 4;
    background-color: #e7edf5;
    visibility: hidden;
    opacity: 0;
    transition: all .3s;
    font-size: 14px;
    padding: 0;
}
nav li.has-child ul li:hover{
    border-bottom: none;
}
nav .child_promotion {
left: -300px !important;
    width: 850px !important;
}
nav .child_promotion li {
    width: 170px;
}

nav li.has-child:hover > ul,
nav li.has-child ul li:hover > ul,
nav li.has-child:active > ul,
nav li.has-child ul li:active > ul{
  visibility: visible;
  opacity: 1;
}


nav li.has-child ul li a{
	border-bottom:solid 1px rgba(255,255,255,0.6);
	height: 60px;
    padding: 0;
    line-height: 60px;
}

nav li.has-child ul li:last-child a{
	border-bottom:none;
}

nav li.has-child ul li a:hover,
nav li.has-child ul li a:active{
	background:white;
}





/*==768px?????`??*/

@media screen and (max-width:768px){
	nav{
		padding: 0;
	}
	
	nav ul{
		display: block;
	}
	nav ul li {
    width: 100%;
}
	nav li.has-child ul,
	nav li.has-child ul ul{
  	position: relative;
	left:0;
	top:0;
	width:100%;
	visibility:visible;
	opacity:1;
	display: none;
	transition:none;
}
nav ul li a {
    padding: 0;
}
nav ul li.has-child::before{
	left:20px;	
}

nav ul ul li.has-child::before{
    transform: rotate(135deg);
	left:20px;
}
    
nav ul li.has-child.active::before{
    transform: rotate(-45deg);
}
.smenu_sub ul {
    display: flex;
}
.smenu_sub ul li {
    width: 50%;
    padding: 0;
    margin: 0;
    display: flex;
}
.smenu_sub ul li a {
    padding: 7px 0;
    font-size: 12px;
}
.smenu_sub ul .s a {
    font-size: 11px;
}