/*tab css样式*/
.menus {
    width: 1200px;
    margin: 38px auto 0;
}
.menus ul {
    width: 1200px;
    position: relative;
    float: left;
}
.menus li{
    float: left;
    width: 25%;
    height: 125px;
    background: #009de0;
    line-height: 40px;
    text-align: center;
    position: relative;
    cursor: pointer;
    -webkit-transition: all 0.5s;
       -moz-transition: all 0.5s;
        -ms-transition: all 0.5s;
         -o-transition: all 0.5s;
            transition: all 0.5s;
    border-left: 1px solid #fafafa;
    border-right: 1px solid #e0e0e0;
}
.menus li:last-child{
	 border-right: none;
}
.menus li:first-child{
	 border-left: none;
}
.menus li span{
	display: block;
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	z-index: 3;
}
.menus li:nth-child(2) {
    color: #fff;
}
.menus .tab-bg {
    width: 25%;
    height: 125px;
    position: absolute;
    left: 0;
    top: 0;
    background: #fc0203 !important;
    z-index: 1;
    -webkit-transition: all 0.5s;
       -moz-transition: all 0.5s;
        -ms-transition: all 0.5s;
         -o-transition: all 0.5s;
            transition: all 0.5s;
}
.menus .tab-bg:after{
	content: "";
	display: block;
	width: 0; 
	height: 0; 
	transform: translateX(-50%);
	border-left: 16px solid transparent; 
	border-right: 16px solid transparent; 
	border-top: 17px solid #fc0203; 
	position: absolute;
	bottom: -17px;
	left: 50%;
}
.tab {
    width: 1200px;
    height: 496px;
    margin-top: 45px;
    font-weight: bold;
    display: none;
}
.show {
    display: block;
}
.title {
    text-align: center;
    padding: 20px;
    background: #ccc;
}