.gc_main {
    background: url(../images/gcbg.png) no-repeat;
    background-size: 100% 100%;
    padding: 6.25vw 0;
}

img {
    display: block;
}

.gc1 {
    flex-wrap: wrap;
    justify-content: space-between;
    display: flex;
}

.gc1 a {
    position: relative;
    margin-bottom: 2.34vw;
}

.gc1 a img {
    width: 28.85vw;
}

.gc1 a:hover .msgbox {
    display: flex;
}

.gc1 a:hover img{
transition: all .6s;
    scale: 1.2;
}

.gc1 a .msgbox {
    display: none;
    position: absolute;
    left: 50%;
    top: 50%;
    width: 12.97vw;
    height: 12.97vw;
    /* display: flex; */
    align-items: center;
    justify-content: center;
    transform: translate(-50%, -50%);
    background: url(../images/h1bg.png) no-repeat;
    background-size: 100% 100%;
}

.gc1 a h1 {
    font-size: 1.3vw;
    color: #fff;
}

.cp4_2 {
    display: flex;
    justify-content: center;
    margin-top: 3.13vw;
}

.cp4_2 .before,
.cp4_2 .next {
    display: block;
    width: 4.53vw;
    text-align: center;
    line-height: 2.14vw;
    font-size: .83vw;
    border: .05vw solid #000;
    box-sizing: border-box;
    background-color: #fff;
    margin: 0 .78vw;
}

.cp4_2 .next {
    background-color: #000;
    color: #fff;
}

.cp4_2 .num {
    display: flex;
}

.cp4_2 .num .bs a {
    background-color: #000;
    color: #fff;
}

.cp4_2 .num span a {
    display: block;
    width: 2.14vw;
    height: 2.14vw;
    text-align: center;
    line-height: 2.14vw;
    font-size: 1.25vw;
    margin: 0 .78vw;
    background-color: #DFDFDF;
}

@media screen and (max-width: 1200px) {
    .gc_main {
        padding: 10% 0;
    }

    .gc1 a {
        width: 49%;
        margin-bottom: 2%;
    }

    .gc1 a img {
        width: 100%;
    }

    .gc1 a h1 {
        font-size: 16px;
    }

    .gc1 a:last-child {
        display: none;
    }

    .gc1 a .msgbox {
        width: 30vw;
        height: 30vw;
    }


    .cp4_2 .before,
    .cp4_2 .next {
        width: 90px;
        height: 30px;
        line-height: 30px;
        font-size: 14px;
    }

    .cp4_2 .num span a {
        height: 30px;
        width: 30px;
        line-height: 30px;
        font-size: 16px;
    }
}