.header{
    background-color: #fff;
}

.sec1 {
    width: 100%;
    padding-top: 134px;
}
.sec1 .banner {
    width: 100%;
    position: relative;
}
.sec1 .banner img {
    display: block;
    width: 100%;
}
.sec1 .banner .joke {
    width: 175px;
    height: 204px;
    background: #073C82;
    position: absolute;
    bottom: -80px;
    left: 120px;
    padding-left: 20px;
}
.sec1 .banner .joke p {
    font-size: 26px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #FFFFFF;
    margin-top: 40px;
}
.sec1 .banner .joke p:nth-child(2) {
    font-size: 18px;
    font-family: Roboto;
    font-weight: 300;
    color: #FFFFFF;
    margin-top: 12px;
}
.sec1 .banner .joke span {
    display: block;
    width: 1px;
    height: 83px;
    background: #FFFFFF;
    position: absolute;
    bottom: 0;
    left: 20px;
}
.sec2 {
    width: 100%;
    padding-top: 106px;
}
.sec2 .box {
    width: 1105px;
    margin: auto;

}
.sec2 .box .title {
    margin-bottom: 29px;
}
.sec2 .box .title h1 {
    font-size: 24px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #333333;
    text-align: center;
}
.sec2 .box .time {
    font-size: 14px;
    font-family: ITC Avant Garde Gothic Std;
    font-weight: normal;
    color: #666666;
    margin-bottom: 71px;
    text-align: center;
}
.sec2 .box .content p {
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    line-height: 31px;
}
.sec2 .box .content {
    margin-bottom: 40px;
}
.sec2 .box .btn  {
    width: 100%;
    display: flex;
    border-top: 1px solid rgba(0, 0, 0, 0.2);
    padding-top: 25px;
    justify-content: space-between;
    margin-bottom: 78px;
}
.sec2 .box .btn .list {
    display: flex;
    font-size: 12px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
}
.sec2 .box .btn .list img {
    width: 15px;
    height: 15px;
}
.sec2 .box .btn .list p {
    margin-left: 11px;
}
.sec2 .box .btn .jiantou {
    display: flex;
    align-items: center;
}
.sec2 .box .btn .jiantou span {
    width: 1px;
    height: 24px;
    border: 1px solid #999999;
    opacity: 0.44;
    margin: 0 13px 0;
}
@media screen and (max-width: 2560px){

}


@media screen and (max-width: 2048px){

}

@media screen and (max-width: 1856px){

}

@media screen and (max-width: 1792px){

}

@media screen and (max-width: 1680px){

}

@media screen and (max-width: 1600px){

}

@media screen and (max-width: 1440px){

}

@media screen and (max-width: 1400px){

}

@media screen and (max-width: 1366px){

}






@media screen and (max-width: 820px){
    .sec2 .box{
        width: 100%;
        padding: 0 6%;
    }
}


@media screen and (max-width: 768px){

}


@media screen and (max-width: 540px){

}


@media screen and (max-width: 414px){

}

@media screen and (max-width: 375px){

}

@media screen and (max-width: 360px){

}