.head{
	background: #ba0600;
	margin: auto;
	box-shadow: 0 1px 2px 2px #cccbcb;
}
.head_box{
	width: 1180px;
	margin: auto;
	display: flex;
	white-space: nowrap;
}
.head_logo{
    flex-shrink: 0;
}
.top_logo{
	width: 100px;
}
.nav{
	flex: 1;
	margin-left: 30px;
	position: relative;
}
.nav_top{
	display: flex;
	justify-content: space-between;
	padding-left: 10px;
	/* box-shadow: 2px 2px 1px 1px #cccbcb; */
}
.nav_top a{
	display: inline-block;
	color: #fefefe;
	font-synthesis: 18px;
	padding: 23px 0 16px;
	margin-right: 30px;
	cursor: pointer;
}
.nav_right{
	padding-right: 4px;
}
.nav_right a{
	margin-right: 0 !important;
	margin-left: 20px;
}
.nav_button{
	position: relative;
	margin-right: 40px !important;
}
.nav_button b{
	position: absolute;
	width: 0;
	height: 0;
	border-left: 4px solid transparent;
	border-right: 4px solid transparent;
	border-bottom: 5px solid #ffffff;
	top: 6px;
	bottom: 0;
	right: -15px;
	margin: auto;
	transition: all .2s; 
}
.nav_bottom{
	/* background: #f2f2f2; */
  background: url(../img/nav_detail_bg.png) no-repeat;
  background-size: cover;
	padding-left: 40px;
	/* box-shadow: 0px -1px 1px 1px #cccbcb; */
	position: relative;
	right: 0;
	bottom: -3px;
	left: 0;
}
.nav_detail{
	display: none;
}
.nav_bottom a{
	display: inline-block;
	color: #5c5d66;
	font-size: 14px;
	padding: 8px 0;
	position: relative;
	margin-right: 12px;
}
.nav_bottom a:not(:last-of-type)::after{
	content: '';
	position: absolute;
	width: 1px;
	height: 13px;
	background: #dfdfdf;
	top: 13px;
	right: -9px;
}
.nav_bottom::before{
  display: none;
	content: '';
	position: absolute;
    top: 1.1px;
    left: -13.8px;
	width: 0;
	height: 0;
	border-bottom: 35.8px solid #f2f2f2;
	border-left: 14.9px solid transparent;
	z-index: 9;
}