.biaozhi ul li{
    width: calc(100% / 7);
    float: left;
    padding: 0.25rem;
}
.biaozhi ul li span:first-child{
    display: block;
    padding: 1rem;
    position: relative;
    border: 1px solid #ddd;
}
.night .biaozhi ul li span:first-child{
    border: 1px solid #444;
}
.biaozhi ul li span:first-child::before{
    content: "";
    width: 100%;
    padding-bottom: 100%;
    display: block;
}
.biaozhi ul li span img{
    position: absolute;
    left: 10%;
    top: 50%;
    transform: translateY(-50%);
    width: 80%;
}
.biaozhi ul li span:last-child{
    display: block;
    text-align: center;
    height: 1.6rem;
    line-height: 1.6rem;
    border: 1px solid #dddddd;
    border-top: 0;
}
.night .biaozhi ul li span:last-child{
    border: 1px solid #444;
    border-top: 0;
    color: #bbb;
}
.biaozhi ul li img{
    width: 100%;
}
@media screen and (max-width: 1260px){
    .biaozhi ul li {
        width: calc(100% / 6);
    }
    .biaozhi ul li span img {
        position: absolute;
        left:5%;
        width: 90%;
    }
}
@media screen and (max-width: 1100px){
    .biaozhi ul li {
        width: calc(100% / 5);
    }
}
@media screen and (max-width: 1100px){
    .biaozhi ul li {
        width: calc(100% / 4);
    }
}
@media screen and (max-width: 500px){
    .biaozhi ul li {
        width: calc(100% / 3);
    }
}