header .nav li:nth-child(2) a span{
    color: #34A0D5;
    border-bottom: 2px solid #34A0D5;
}
/*mian开始*/
.main .item{
    margin: 40px 0;
}
.main .item h1{
    font-size: 28px;
    opacity: 0;
}
.main .item ul{
    margin-top: 20px;
    text-align: center;
}
.main .item li{
    float: left;
    background-color: #fff;
    width: 360px;
    height: 270px;
    border: 1px solid #e1e1e1;
    overflow: hidden;
    cursor: pointer;
}
.main .item h2{
    font-size: 24px;
    font-weight: bold;
    margin-top: 20px;
    margin-bottom: 5px;
    height: 32px;
    overflow: hidden;
	color: #333;
}
.main .item h3{
    font-size: 22px;
    color: #666;
    margin-bottom: 5px;
    height: 29px;
    overflow: hidden;
}
.main .item .imgBox{
    width: 360px;
    height: 180px;
    overflow: hidden;
}
.main .item img{
    width: 360px;
    height: 180px;
    transition: transform 0.8s;
}
.main .item img:hover{
    transform: scale(1.2);
}
.main .item ul li:first-child{
    height: 540px;
}
.main .item ul li:first-child h2{
    margin-top: 50px;
}
.main .item ul li:first-child h3{
    margin-bottom: 64px;
}
.main .item ul li:first-child .imgBox{
    width: 360px;
    height: 358px;
    overflow: hidden;
}
.main .item ul li:first-child img{
    height: 358px;
    width: auto;
}
.main .item .more{
    background-color: #fafafa;
}
.main .item .more.pointer{
    pointer-events: none;
}
.main .item .more .text{
    width: 120px;
    height: 36px;
    border: 1px solid #909090;
    font-size: 18px;
    border-radius: 100px;
    text-align: center;
    line-height: 36px;
    margin: 100px auto;
}
.main .item .more:hover .text{
    border-color: #34A0D5;
    color: #34A0D5;
}