@media (max-width: 1370px) {
    header{
        padding-top: 30px;
    }
    .content{
        padding-top:130px;
    }
    .bz{
        width: 932px;
        height: 80%;
    }
    .bz .bz-tp{
        margin-top: 30px;
    }
    .classZone{
        padding-top: 20px;
        height: 80%;
    }
    .classZone .classCard{
        margin-bottom: 10px;
    }
    .classZone .classInfo{
        font-size: 24px;
    }
    .classZone .classCode{
        margin-top: 20px;
    }
    .classZone .inviteCode{
        font-size: 56px;
        letter-spacing: 6px;
        margin-top: 20px;
    }
    .classZone .classTs{
        font-size: 16px;
        margin-top: 10px;
    }
    .answer{
        padding-left: 260px;
        width: 80%;
        height: 86%;
    }
    .answerLeft{
        width: 260px;
        padding: 0 15px;
    }
    .answerLeftTime{
        margin-top: 30px;
    }
    .answerLeftTime div{
        width: 45px;
        height: 60px;
        line-height: 60px;
        font-size: 32px;
    }
    .answerLeftTime span{
        font-size: 32px;
    }
    .answerLeftNum>div:first-child{
        margin-top: 20px;
        margin-bottom: 5px;
    }
    .optionChart{
        padding: 15px;
        margin-top: 20px;
    }
    .optionChart li{
        margin-bottom: 10px;
    }
    .topThree{
        padding: 15px;
    }
    .topThree li:first-child{
        font-size: 16px;
    }
    .topThree li>div:nth-child(2){
        width: 50px;
        height: 50px;
    }
    .topThree li>div:nth-child(3){
        margin-left: 10px;
        line-height: 27px;
    }
    .topThree li>div:nth-child(3) p:first-child{
        font-size: 18px;
    }
    .topThree li>div:nth-child(3) p:last-child{
        font-size: 14px;
    }
    .answerRight{
        padding: 15px 20px;
    }
    .sign_countdown {
        margin-top: 100px;
    }
    .sign_ball_container {
        margin-top: 30px;
    }
    .sign_unsign_container {
        margin-top: 45px;
    }
    .signEndBox{
        max-height: 300px;
        margin-top: 74px;
    }
}