img {
    width: 100%;
    max-width: 100%;
    margin: auto;
}
.bg-primary{
    position: relative;
    color: #000;
    font-weight:normal;
}
.bg-primary .Mob_img{
    display: none;
}

#myModal{
    overflow-y: scroll;
    background-color: rgba(0, 0, 0, 0.80);
}
.modal-close .close{
    position: absolute;
    height: 35px;
    width: 35px;
    left: auto;
    right: -10%;
    bottom: auto;
    top: 0px;
    padding: 4px;
    color: #ffffff;
    font-family: Times New Roman;
    font-weight: 100;
    font-size: 30px;
    line-height: 20px;
    border: 1px none #ffffff;
    border-radius: 42px;
    box-shadow: 0px 0px 0px 0px rgba(2, 2, 2, 0.23);
    text-shadow: 0px 0px 0px rgba(0, 0, 0, 0.23);
    background-color: rgba(1, 226, 255, 0.80);
    opacity:1;
    z-index: 99999;
}
.modal-content {
    background-color: rgba(0, 0, 0, 0.80);
}
#img4 .button_down{
    position: absolute;
    top: 74%;
    z-index: 999;
    width: 7%;
    height: 6%;
    text-align: center;
    margin: auto;
    cursor: pointer;
}
#img4 .tanchuang{
    position: absolute;
    top: 86%;
    z-index: 999;
    width: 6%;
    text-align: center;
    margin: auto;
    cursor: pointer;
    font-size: 16px;
    color: #44596D;
    text-decoration: underline;
}
#img4 .MB_container{
display: none;
}
.img4_1_container{
left: 16.6%;
}
.img4_2_container{
left: 35.6%;
}
.img4_3_container{
left: 54.5%;
}
.img4_4_container{
left: 73.9%;
}
.img4_5_container{
    left: 17%;
}
.img4_6_container{
    left: 36%;
}
.img4_7_container{
    left: 55%;
}
.img4_8_container{
    left: 74.5%;
}
#img4 .button_down .img_title{
    font-family: Lato;
    font-weight: bold;
    font-size: 17px;
    color: #000000;
    line-height: 17px;
    height: 100%;
    padding-top: 9%;
}
#img4 .tanchuang .img_title{
    font-family: Lato;
    font-weight: bold;
    font-size: 15px;
    line-height: 15px;
}
@media (max-width: 1800px) and (min-width: 1400px){
    #img4 .button_down .img_title{
        font-size: 16px;
        line-height: 16px;
    }
    #img4 .tanchuang .img_title{
        font-size: 14px;
        line-height: 14px;
    }
}
@media (max-width: 1400px) and (min-width: 1200px){
    #img4 .button_down .img_title{
        font-size: 14px;
        line-height: 14px;
    }
    #img4 .tanchuang .img_title{
        font-size: 13px;
        line-height: 13px;
    }
}
@media (max-width: 1200px) and (min-width: 768px){
    #img4 .button_down .img_title{
        font-size: 12px;
        line-height: 12px;
        padding-top: 7%;
    }
    #img4 .tanchuang .img_title{
        font-size: 12px;
        line-height: 12px;
    }
}
@media (max-width: 768px){
    .bg-primary .TV_img{
        display: none;
    }
    .bg-primary .Mob_img{
        display: inline-block;
    }
    .modal-close .close{
        right: 0;
    }
    #img4 .button_down {
        width: 19.5%;
        height: 4%;
    }
    #img4 .tanchuang {
        width: 16%;
    }
    #img4 .img4_1_container{
        top: 49%;
        left: 16.8%;
    }
    #img4 .img4_2_container{
        top: 49%;
        left: 61.8%;
    }
    #img4 .img4_3_container{
        top: 84.4%;
        left: 16.8%;
    }
    #img4 .img4_4_container{
        top: 84.4%;
        left: 61.8%;
    }
    #img4 .img4_5_container{
        left: 18%;
        top: 55%;
    }
    #img4 .img4_6_container{
        left: 63%;
        top: 55%;
    }
    #img4 .img4_7_container{
        left: 18%;
        top: 91%;
    }
    #img4 .img4_8_container{
        left: 63%;
        top: 91%;
    }
    #img4 .button_down .img_title{
        font-size: 18px;
        line-height: 18px;
        padding-top: 7%;
    }
    #img4 .tanchuang .img_title{
        font-size: 16px;
        line-height: 16px;
    }
}
@media (max-width: 600px) and (min-width: 480px){
    #img4 .button_down .img_title{
        font-size: 15px;
        line-height: 15px;
    }
    #img4 .tanchuang .img_title{
        font-size: 14px;
        line-height: 14px;
    }
}
@media (max-width: 480px){
    #img4 .button_down .img_title{
        font-size: 12px;
        line-height: 12px;
        padding-top: 5%;
    }
    #img4 .tanchuang .img_title{
        font-size: 13px;
        line-height: 13px;
    }
}