.sec1 {
    width: 1520px;
    margin: 130px auto 0;
}
.sec1 h1 {
    font-size: 42px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #000000;
    text-align: center;
    margin-bottom: 44px;
}
.sec1>p {
    width: 1380px;
    margin: auto;
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: 100;
    color: #000000;
    line-height: 38px;
    text-align: center;
}
.numList {
    width: 1520px;
    height: 620px;
    position: relative;
    margin: 94px 0 200px;
    display: flex;

}
.numList .bg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
}
.numList .bg img {
    display: block;
    width: 100%;
    height: 100%;
}
.numList .item {
    width: 25%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}
.numList .item .num {
    font-size: 64px;
    font-family: TradeMarker;
    font-weight: 400;
    color: #FFFFFF;
    position: relative;
    z-index: 10;
}
.numList .item  span {
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: 100;
    color: #FFFFFF;
    position: relative;
    z-index: 10;
}
.numList .item:after {
    content: "";
    width: 100%;
    height: 100%;
    background: #970005;
    position: absolute;
    top: 50%;
    left: 0;
    opacity: 0;
    transform: translateY(-50%);
    transition: 0.6s;
}
.numList .item:hover:after {
    opacity: 1;
    transform: translateY(-50%) scale(1.17);
}
@media screen and (max-width: 1600px) {
    .sec1 {
        width: 90%;
        margin: 80px auto 0;
    }
    .sec1 h1 {
        font-size: 36px;
    }
    .numList {
        width: 100%;
    }
    .numList .item .num {
        font-size: 58px;
    }
    .sec1>p{
        width: 100%;
    }
}
@media screen and (max-width: 1400px) {
    .sec1>p {
        font-size: 16px;
    }
    .sec1 h1 {
        font-size: 32px;
    }
    .numList .item span {
        font-size: 16px;
    }
}
@media screen and (max-width: 1023px) {
    .sec1 h1 {
        font-size: 28px;
        margin-bottom: 20px;
    }
    .numList {}
    .sec1 {
        margin: 30px auto 0;
    }
    .sec1>p {
        word-break: break-all;
    }
}
@media screen and (max-width: 768px) {
    .numList {
        flex-wrap: wrap;
        height: 440px;
        margin: 30px 0 80px;
    }
    .numList .item {
        width: 50%;
        height: 50%;
    }
    .numList .item .num{
        font-size: 40px;
    }
}