.sec1 .joke {
    width: 1520px;
    margin: 0 auto 160px;
    padding-bottom: 178px;
    border-bottom: 1px solid #E6E6E6;
}
.sec1 {
    padding: 135px 0 0;
}
.sec1 .joke .title h1 {
    font-size: 42px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #000000;
    line-height: 60px;
}
.sec1 .joke .title h2 {
    font-size: 42px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #970005;
    line-height: 60px;
    margin: 60px 0 78px;
}
.sec1 .joke .content {
    display: flex;
    justify-content: space-between;
}
.sec1 .joke .content .left {
    width: 640px;
}
.sec1 .joke .content .left p {
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 100;
    color: #000000;
    line-height: 32px;
}
.sec1 .joke .content .left img {
    display: block;
    margin: 260px auto 0;
}
.sec2 .joke {
    width: 1520px;
    margin: auto;
}
.sec2 {
    display: none;
}
.sec2 .joke .main {
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.sec2 .joke h1 {
    font-size: 42px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #000000;
    line-height: 60px;
    margin-bottom: 100px;
}
.sec2 .joke .item {
    display: block;
    margin-bottom: 75px;
}
.sec2 .joke .item .img {
    overflow: hidden;
    position: relative;
}
.sec2 .joke .item .img img {
    display: block;
    width: 100%;
    transition: 3s;
}
.sec2 .joke .item .img:hover img {
    transform: scale(1.2);
}
.sec2 .joke .item .img .time {
    position: absolute;
    top: 35px;
    left: 35px;
    z-index: 2;
}
.sec2 .joke .item .img .time p {
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
    text-align: center;
}
.sec2 .joke .item .img .time h5 {
    font-size: 56px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
}
.sec2 .joke .item .text {
    width: 100%;
    height: 198px;
    background: #F5F5F5;
    transition: 0.6s;
    border-bottom: 1px solid #E6E6E6;
    padding: 40px 36px 0 36px;
}
.sec2 .joke .item .text h3 {
    font-size: 26px;
    font-family: PingFang SC;
    font-weight: 100;
    color: #000000;
    line-height: 42px;
    transition: 0.6s;
}
.sec2 .joke .item:hover .text h3 {
    color: #FFFFFF;
}
.sec2 .joke .item .item_bt {
    height: 81px;
    width: 100%;
    background: #F5F5F5;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 31px 0 37px;
    transition: 0.6s;
}
.sec2 .joke .item:hover .item_bt,.sec2 .joke .item:hover .text {

    background: #970005;
}
.sec2 .joke .item .item_bt p {
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #000000;
    transition: 0.6s;
}
.sec2 .joke .item:hover .item_bt p {
    color: #FFFFFF;
}
.sec2 .joke .item .item_bt .sqList {
    display: flex;
    align-items: center;
}
.sec2 .joke .item .item_bt .sqList span {
    display: block;
    width: 5px;
    height: 5px;
    background: #000000;
    transition: 0.6s;
}
.sec2 .joke .item .item_bt .sqList span:not(:nth-last-child(1)) {
    margin-right: 7px;
}
.sec2 .joke .item:hover .item_bt .sqList span {
    background: #fff;
}
.sec2 .joke .main .right {
    padding-top: 244px;
}
@media screen and (max-width: 1600px) {
    .sec1 {
        padding: 85px 0 0;
    }
    .sec1 .joke {
        width: 90%;
        margin: 0 auto 80px;
        padding-bottom: 88px;
    }
    .sec2 .joke{
        width: 90%;
    }
    .sec1 .joke .title h2,.sec1 .joke .title h1,.sec2 .joke h1 {
        font-size: 36px;
        line-height: 50px;
    }
    .sec1 .joke .content .left,.sec1 .joke .content .right {
        width: 48%;
    }
    .sec2 .joke .main>div {
        width: 48%;
    }
    .sec2 .joke .item .text h3 {
        font-size: 24px;
    }
    .sec2 .joke h1 {
        margin-bottom: 60px;
    }
}
@media screen and (max-width: 1450px) {
    .sec1 .joke .title h2,.sec1 .joke .title h1,.sec2 .joke h1 {
        font-size: 32px;
        line-height: 45px;
    }
    .sec2 .joke .item .text h3 {
        font-size: 20px;
    }
}
@media screen and (max-width: 1365px) {
    .sec1 .joke .title h2, .sec1 .joke .title h1, .sec2 .joke h1 {
        font-size: 28px;
        line-height: 40px;
    }
    .sec1 .joke .title h2 {
        margin: 30px 0 40px
    }
    .sec1 .joke .content .left img {
        margin: 50px auto 0;
    }
}
@media screen and (max-width: 1023px) {
    .sec1 .joke .content .left, .sec1 .joke .content .right {
        width: 100%;
    }
    .sec1 .joke .content {
        flex-direction: column;
    }
    .sec1 {
        padding: 35px 0 0;
    }
    .sec1 .joke .title h2, .sec1 .joke .title h1, .sec2 .joke h1 {
        font-size: 24px;
    }
    .sec1 .joke .title h2 {
        margin: 10px 0 20px
    }
    .sec1 .joke .content .left img {
        width: 100%;
        margin: 30px 0 20px;
    }
    .sec1 .joke {
        padding-bottom: 40px;
        margin: 0 auto 40px;
    }
    .sec2 .joke .main>div {
        width: 100%;
    }
    .sec2 .joke .main {
        flex-direction: column;
    }
    .sec2 .joke .item .text h3{
        font-size: 18px;
        line-height: 36px;
    }
    .sec2 .joke .item .text {
        padding: 20px 15px 0;
        height: 150px;
    }
    .sec2 .joke .item .item_bt {
        height: 60px;
        padding:  0 15px;
    }
    .sec2 .joke .item{
        margin-bottom: 35px;
    }

    .sec2 .joke .main .right {
        padding: 0;
    }
    .sec2 .joke h1 {
        margin-bottom: 30px;
    }

}