@charset "utf-8";
.entrance-banner{
    height: 220px;
    background: url(../imgs/entrance-banner.jpg) no-repeat top center;
    background-size: cover;
}
.entrance-banner h1{
    text-align: right;
    color: #3f77dc;
    font-size: 40px;
    letter-spacing: 5px;
    padding: 70px;
}
.entrance-tab{
    height: 60px;
    line-height: 60px;
    display: flex;
    border-bottom: 1px solid #dcdcdc;
}
.entrance-tab a{
    flex: 1;
    text-align: center;
    font-size: 20px;
}
.entrance-tab a:hover{
    box-shadow: 0 5px 20px rgba(0, 0, 0, .1);
}
.entrance-tab a.active{
    box-shadow: 0 5px 20px rgba(0, 0, 0, .2);
}
.entrance-tab img{
    width: 30px;
    vertical-align: middle;
    margin-right: 10px;
}
.entrance-title{
    margin: 30px 0 20px;
    text-align: center;
}
.entrance-title h3{
    font-size: 28px;
    margin-bottom: 10px;
    font-weight: normal;
}
.entrance-nav{
    display: flex;
    justify-content: center;
    background: url(../imgs/entrance-navbg.png) top center no-repeat;
    padding: 50px 0;
}
.entrance-nav a{
    margin-left: 30px;
    text-align: center;
    transition-duration: .3s;
}
.entrance-nav a:hover{
    color: #00cc7e;
    transform: translateY(-10px);
}
.entrance-nav a:nth-of-type(2n){
    margin-top: -40px;
}
.entrance-nav img{
    width: 180px;
    max-width: 100%;
}
.entrance-nav p{
    padding-right: 28%;
}
.entrance-resource{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 20px 0 50px;
}
.entrance-resource a{
    width: 200px;
    height: 160px;
    padding-top: 2%;
    box-sizing: border-box;
    margin: 0 20px;
    text-align: center;
    color: #fff;
    transition-duration: .3s;
    background-size: contain;
    background-repeat: no-repeat
}
.entrance-resource a:hover{
    transform: scale(1.1);
}
.entrance-resource a:nth-of-type(4n+1){
    background-image: url(../imgs/entrance-bg1.png);
}
.entrance-resource a:nth-of-type(4n+2){
    background-image: url(../imgs/entrance-bg2.png);
}
.entrance-resource a:nth-of-type(4n+3){
    background-image: url(../imgs/entrance-bg3.png);
}
.entrance-resource a:nth-of-type(4n+4){
    background-image: url(../imgs/entrance-bg4.png);
}
.entrance-resource i{
    font-size: 40px;
}
/* 平板 */
@media only screen and (max-width: 991px) {
    .entrance-banner{
        height: 180px;
    }
    .entrance-banner h1{
        padding: 30px;
    }
}
/* 手机 */
@media only screen and (max-width: 767px) {
    .entrance-banner{
        height: 100px;
    }
    .entrance-banner h1{
        padding: 20px 10px;
        font-size: 20px;
    }
    .entrance-tab{
        height: 40px;
        line-height: 40px;
    }
    .entrance-tab a{
        font-size: 13px;
        white-space: nowrap;
    }
    .entrance-tab img{
        width: 16px;
        margin-right: 0;
    }
    .entrance-title{
        font-size: 12px;
    }
    .entrance-title h3{
        font-size: 22px;
    }
    .entrance-nav a{
        font-size: 12px;
        margin-left: 3%;
    }
    .entrance-resource a{
        width: 120px;
        height: 120px;
        margin: 0 2%;
        font-size: 12px;
    }
    .entrance-resource i{
        font-size: 30px;
    }
}