/*第一屏*/
.banner1{
    position: relative;
}
.b1_back{
    width: 100%;
}
.b1_con{
    position: absolute;
    top: 59.5%;
    left: 19%;
    width: 23.3%;
    z-index: 9;
}
.b1_info{
    font-size: 24px;
    line-height: 1.8;
    width: 65.8%;
    margin-bottom: 3.4%;
    color: #fff;
}
.download_wrap{
    width: 100%;
}
.b1_download{
    display: inline-block;
    background: #084cf9;
    font-size: 20px;
    color: #fff;
    white-space: nowrap;
    margin-top: 6%;
    width: 43.7%;
    position: relative;
    text-align: center;
    border-radius: 6px;
    padding: 2.93% 0;
}
.b1_download:hover{
    color: #fff;
}
.b1_active_btn{
    background: url("../png/btn.png") center center no-repeat;
    background-size: 100%;
}
/*.mac_db{*/
    /*background: #939393;*/
/*}*/
.w_db{
    margin-right: 11%;
}
.qrcode{
    display: none;
    position: absolute;
    background: url("../png/qrcodeback.png");
    background-size: 100% 100%;
    width: 72%;
    left: 50%;
    margin-left: -36%;
    top: -250%;
    padding: 4% 0 7%;
    z-index: 999;
    text-align: center;
}
.qrcode img{
    width: 80%;
}
.ioscode:hover .qrcode,
.androidcode:hover .qrcode{
    display: block;
}
.b1_notice{
    text-align: center;
    font-size: 14px;
    color: #084cf9;
    background: #cccfed;
    line-height: 50px;
}
/*第二屏*/
.tit{
    font-size: 30px;
    text-align: center;
    font-weight: 700;
}
.tit_line{
    display: block;
    height: 2px;
    background: #084cf9;
    margin: 0 auto;
}
.banner2{
    padding-top: 2.2%;
}
.banner2 .tit_line{
    width: 87px;
}
.b2_con{
    width: 76.1%;
    margin: 2.2% auto 0;
}
.b2_items{
    padding: 0;
    margin: 0;
}
.b2_items li{
    float: left;
    width: 18.4%;
    /*min-width: 222px;*/
    margin-right: 2%;
}
.b2_items li:last-child{
    margin-right: 0;
}
.b2_items_con{
    margin: 0 auto;
}
.b2_pic_wrap{
    width: 100%;
    box-shadow: 0px 1px 24px 0px
    rgba(4, 13, 36, 0.33);
    overflow: hidden;
}
.b2_pics{
    width: 100%;
    transition: all 1s;
}
.b2_pics:hover{
    transform:scale(1.2);
}
.b2_intro{
    font-size: 13px;
    line-height: 22px;
    margin-top: 7%;
}
/*第三屏*/
.banner3{
    background: url("../png/b3-1.png") 0 0 no-repeat;
    background-size: 100% 100%;
    padding-top: 3.2%;
    margin-top: 4.8%;
    padding-bottom: 3%;
}
.banner3 .tit_line{
    width: 82px;
}
.b3_con{
    position: relative;
    margin-top: 5%;
}
.b3_pic{
    width: 50%;
    float: left;
    box-shadow: -2px 2px 32px 0px
    rgba(0, 0, 0, 0.44);
    position: absolute;
}
.b3_intro{
    padding-left: 21%;
    padding-top: 3%;
}
.b3_intro ul{
    display: inline-block;
    background: #e3eefe;
    padding-left: 40.2%;
    padding-top: 4.6%;
    padding-bottom: 2.8%;
}
.b3_intro ul li{
    overflow: hidden;
    margin-bottom: 7.5%;
}
.b3_icon{
    width: 7.057%;
    float: left;
}
.b3_intro ul li span{
    float: left;
    width: 90%;
    font-size: 14px;
    padding-left: 3%;
}
.b3_w{
    margin-top: 2%;
}
/*第四屏*/
.banner4{
    padding-top: 1.8%;
}
.banner4 .tit_line{
    width: 41px;
}
.b4_w{
    font-size: 14px;
    opacity: 0.73;
    width: 48%;
    margin: 2% auto 0;
    text-align: center;
    word-wrap: break-word;
}
.b4_card{
    display: block;
    text-align: center;
}
.b4_con{
    margin-top: 3.8%;
    margin-bottom: 8.5%;
}
.b4_con .col-lg-3,
.b4_con .col-md-3,
.b4_con .col-sm-6,
.b4_con .col-xs-6{
    padding-left: 25px;
    padding-right: 25px;
}
@media screen and (max-width: 1200px) {
    .b1_info{
        font-size: 24px;
    }
    .b1_download{
        font-size: 14px;
    }
}
@media screen and (max-width: 1120px) {
    .b1_con{
        width: 25.3%;
    }
}
@media screen and (max-width: 1036px) {
    .b1_con{
        width: 26.3%;
    }
}
@media screen and (max-width: 992px) {
    .b1_info{
        font-size: 20px;
    }
    .b1_con{
        width: 27.3%;
    }
    .w_db{
        margin-right: 5%;
    }
}
@media screen and (max-width: 768px) {
    .b1_info{
        font-size: 14px;
        width: 100%;
        margin-bottom: 1.5%;
    }
    .b1_con .c_container{
        width: 92%;
    }
    .b1_con{
        top: 65.5%;
        width: 65.3%;
    }
    .download_wrap{
        width: 75%;
    }
    .b1_download{
        font-size: 12px;
        margin-top: 2%;
    }
    .w_db{
        margin-right: 2%;
    }
    .b1_notice{
        line-height: 24px;
    }
    .b3_pic{
        position: static;
        width: 100%;
    }
    .b3_intro,
    .b3_intro ul{
        padding-left: 0;
    }
    .b4_w{
        width: 100%;
    }
    .b4_card{
        margin-bottom: 10%;
    }
    .b2_items li{
        min-width: 136px;
        height: 269px;
    }
    .b2_intro{
        height: 66px;
        overflow: hidden;
    }
}
@media screen and (max-width: 768px) {
    .b1_info{
        font-size: 12px;
    }
}