.center{
    overflow: hidden;
}
.page_pc{
    display: none;
}
.download_center{
    width: 94%;
    margin: 0 auto;
    margin-top: 50px;
}
.download_menu{
    display: flex;
    width: 100%;
    background-color: #fff;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    margin-top: 10px;
}
.menu_item{
    width: 33.3333%;
    height: 42px;
    line-height: 42px;
    text-align: center;
}
.menu_item a{
    width: 100%;
    color: #333;
}
.menu_item_active{
    background-image: linear-gradient(to bottom,#fff,#e3e5fe);
    border-bottom: 2px #9985ff solid;
}
.download_file_list{
    width: 94%;
    padding: 30px 3%;
    border-radius: 6px;
    overflow: hidden;
    margin-top: 10px;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.2);
}
.file_info{
    width: 94%;
    margin: 0 auto;
    margin-bottom: 16px;
    padding: 15px 3%;
    border-radius: 10px;
    background-color: #fff;
    box-shadow: 0 0 10px 0 #e4e1f4;
}
.file_name{
    width: 100%;
    max-height: 56px;
    line-height: 28px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-all;
}
.file_operate{
    width: 100%;
    text-align: right;
    margin-top: 10px;
}
.file_preview_btn{
    width: 88px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    color: #fff;
    background: #9985ff;
    border: 1px #9985ff solid;
    border-radius: 30px;
}
.d_num{
    display: inline-block;
    padding-left: 20px;
    color: #999;
    font-size: 13px;
    letter-spacing: 0;
    margin: 0 5px;
    background: url(../images/icon_download.png) no-repeat;
    background-size: 15px auto;
    background-position: left center;
}
.file_size{
    color: #999;
    font-size: 13px;
    letter-spacing: 0;
    margin: 0 5px;
}
.file_download_btn {
    width: 80px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    color: #fff;
    margin-left: 10px;
    /* background: url(../images/icon_download.png) no-repeat; */
    /* background-size: 20px auto; */
    /* background-position: center center; */
    background-color: #fff;
    /* border: 1px #9985ff solid; */
    border-radius: 30px;
    background-color: #9985ff;
    background-image: linear-gradient(120deg, #6c53e8, #baaff2);
}

.history_center{
    width: 94%;
    margin: 0 auto;
}
.history_data,.history_prize_info{
    width: 94%;
    margin: 30px 0;
    padding: 20px 3%;
    border-radius: 20px;
    background-color: #f7f7f7;
    box-shadow: 0 4px 10px 0 #e4e1f4;
}
.history_prize_info{
    padding-bottom: 50px;
    background-image: linear-gradient(to bottom,#bbb0f3,#fff);
}
.history_header{
    font-size: 17px;
    font-weight: bold;
}
.history_chart{
    display: flex;
    width: 100%;
    margin-top: 20px;
    flex-wrap: wrap;
    justify-content: space-between;
}
.chart_item{
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px #e6e6e6 solid;
    background-color: #fff;
}
.chart_item:last-child{
    width: 1110px;
}
.h_chart_title{
    font-size: 16px;
    font-weight: bold;
}
.h_prize_list{
    display: flex;
    width: 100%;
    flex-wrap: wrap;
    justify-content: space-between;
}
.h_prize_item{
    width: 100%;
    margin-top: 20px;
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 10px #e4e1f4;
}
.h_prize_item a{
    width: 100%;
}
.h_prize_item img{
    width: 100%;
    height: 240px;
}
.h_prize_item p{
    padding: 10px 5%;
    text-align: center;
}