.sec1 .joke {
    width: 1520px;
    margin: auto;
    display: flex;
    justify-content: space-between;
}
.sec1 {
    padding: 336px 0 0;
    margin: 0 0 223px;
}
.sec1 h1 {
    font-size: 42px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #000000;
}
.sec1 .text p {
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: 100;
    color: #000000;
    line-height: 38px;
}
.sec1 .img {
    margin-left: 140px;
}
.sec2 {
    display: flex;
    justify-content: flex-end;
}
.sec2 .joke {
    width: 89.5vw;
}
.section .title {
    display: flex;
    align-items: center;
}
.section .title .sq {
    width: 35px;
    height: 35px;
    background: #970005;
    margin-right: 20px;
}
.section .title h1 {
    font-size: 42px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #000000;
}
.sec2 .joke>p {
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: 100;
    color: #000000;
    line-height: 38px;
    margin: 36px 0 106px;
}
.sec2 .joke img {
    width: 100%;
    display: block;
}
.sec3 .joke {
    width: 1520px;
    margin: 158px auto 135px;
}
.sec3 .joke table {
    width: 100%;
    margin-top: 65px;
}
.sec3 .joke table tbody {
    width: 100%;
}
.sec3 .joke table tr {
    width: 100%;
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: 100;
    color: #000000;
    display: flex;
    justify-content: space-between;
    line-height: 85px;
}
.sec3 .joke table tr td {
    width: 700px;
    border-top: 1px solid #E5E5E5;
}
.sec3 .joke table tr:nth-last-child(1) td {
    border-bottom: 1px solid #E5E5E5;
}
.sec4 {
    margin-bottom: 110px;
}
.sec4 .joke {
    width: 1520px;
    margin: auto;
}
.sec4 .joke .img {
    width: fit-content;
    margin: 59px auto 0;
}
.sec4 .joke .img img {
    display: block;
}
.sec4 .joke .img p {
    width: fit-content;
    margin: auto;
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: 100;
    color: #000000;
    line-height: 36px;
    text-align: center;
}
@media screen and (max-width: 1700px) {
    .section .title h1,.sec1 h1 {
        font-size: 36px;
    }
    .sec1 .img {
        margin: 0;
        width: 50%;
    }
    .sec1 .img img {
        width: 100%;
    }
    .sec1 .joke {
        padding: 0 7vw 0 0;
    }
    .sec3 .joke,.sec4 .joke,.sec1 .joke {
        width: 90%;
    }
}
@media screen and (max-width: 1450px) {
    .section .title h1,.sec1 h1 {
        font-size: 32px;
    }
    .sec3 .joke table tr td{
        width: 48%;
    }
    .sec3 .joke table tr {
        font-size: 16px;
        line-height: 70px;
    }
    .sec1 {
        margin: 0 0 100px;
    }
    .sec1 .text p {
        font-size: 16px;
    }
}
@media screen and (max-width: 1365px) {
    .sec1 {
        padding: 150px 0 0;
    }
    .sec1 .img {
        width: 40%;
    }
    .section .title h1, .sec1 h1{
        font-size: 28px;
    }
    .section .title .sq {
        width: 28px;
        height: 28px;
    }
}
@media screen and (max-width: 1023px) {
    .sec1 .joke {
        padding: 0;
        flex-direction: column;
    }
    .sec1 .img {
        width: 100%;
        margin: 40px 0;
    }

}
@media screen and (max-width: 768px) {
    .sec1 {
        padding: 100px 0 0;
        margin: 0 0 50px;
    }
    .sec4 .joke .img {
        margin: 30px auto 0;
    }
    .sec1 .text p {
        line-height: 32px;
    }
    .sec3 .joke {
        margin: 50px auto 40px;
    }
    .sec3 .joke table tr {
        flex-direction: column;
    }
    .sec3 .joke table tr td {
        width: 100%;
    }
    .section .title h1, .sec1 h1{
        font-size: 24px;
    }
    .section .title .sq {
        width: 24px;
        height: 24px;
        margin-right: 8px;
    }
    .sec3 .joke table {
        margin-top: 30px;
    }
}
