.gxblb{
    width: 100%;
    height: auto;
    /*background-color: antiquewhite;*/
    margin-top: 3.5vw;
}
.gxlb1{
    width: 100%;
    height: 34.4vw;
    /*background-color: aqua;*/
}
.gxblf2{
    width: 62.4%;
    margin: 0 auto;
    /*background-color: antiquewhite;*/
    /* margin-top: 5.2vw; */
    height: 29.6vw;
    padding-top: 2vw;
}
.gxblf21{
    width: 100%;
    /*background-color: aliceblue;*/
}
.gxblf21_zbt{
    font-size: 1.8vw;
    font-weight: bolder;
}
.gxblf21_rbt{
    font-size: 1vw;
    margin-top: 0.2vw;
    letter-spacing: 0.3vw;
    color: #646565;
    font-weight: 600;
}
.gxblf22{
    margin-top: 1.8vw;
}
.gxblf23{
    width: 97%;
    /* height: 1vw; */
    /* background-color: aquamarine; */
    margin-top: 1.5vw;
    font-size: 0.75vw;
    /* text-align: center; */
    line-height: 1.5vw;
    color: #5C5E61;
    font-weight: 600;
    margin-left: 2.4%;
}
.gxblf24{
    width: 97.5%;
    height: 14.9vw;
    /*background-color: beige;*/
    margin-top: 1.7vw;
    margin-left: 2.4%;
}
.gxblf24_l{
    width: 33.4%;
    float: left;
    /*background-color: aliceblue;*/
    background-repeat: no-repeat;
    background-size: 100% 100%;
    height: 100%;
}
.gxblf24_r{
    width: 63.5%;
    float: left;
    height: 100%;
    /*background-color: chartreuse;*/
    margin-left: 3%;
}
.gxblf25{
    width: 17%;
    height: 2.7vw;
    /* background-color: antiquewhite; */
    margin: 0 auto;
    margin-top: 3.7vw;
    border: 1px solid #D9D9DA;
    line-height: 2.7vw;
    text-align: center;
    font-size: 0.9vw;
}
.bot{
    margin-top: 2.5vw;
}
.item:nth-of-type(1){
    background-image: url(../img/fyfy_hs.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    color: #fff;
    margin-right: 1vw;
}
.item:nth-of-type(1):hover{
    background-image: url(../img/fyfy_ls.png);
    color: #fff;
}
.item:last-child{
    background-image: url(../img/fyfy_hs.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    color: #fff;
    margin-left: 1vw;
}
.item:last-child:hover{
    background-image: url(../img/fyfy_ls.png);
    color: #fff;
}