body {
    background: #EEF1F6;
    position: relative;
}
body .bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}
body .bg img {
    width: 100%;
    display: block;
}
.sec1 {
    position: relative;
    z-index: 10;
    padding-top: 173px;
}
.sec1 .joke {
    width: 1400px;
    margin: auto;
}
.sec1 .joke .title h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 50px;
    color: #111111;
    margin-bottom: 30px;
}
.sec1 .joke .title p {
    font-size: 20px;
    font-weight: 400;
    line-height: 24px;
    color: #111111;
    opacity: 0.4;
}
.sec1 .joke .title {
    margin-bottom: 260px;
}
.sec1 .joke .new_title h2 {
    font-size: 30px;
    font-weight: 500;
    line-height: 30px;
    color: #111111;
    margin-bottom: 18px;
}
.sec1 .joke .new_title p {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    color: #999999;
}
.sec1 .joke .new_title {
    padding-bottom: 40px;
    border-bottom: 1px solid  #D5D8DE;
    margin-bottom: 30px;
}
.sec1 .joke .content p {
    font-size: 18px;
    font-weight: 400;
    line-height: 40px;
    color: #666666;
}
.sec1 .joke .content p img {
    width: 100%;
    margin: 40px 0;
}
.sec1 .joke .content {
    padding-bottom: 50px;
    border-bottom: 1px solid #D5D8DE;
}
.sec1 .joke .pages {
    display: flex;
    justify-content: space-between;
    margin: 50px 0 105px;
}
.sec1 .joke .pages .item {
    width: 660px;
    height: 140px;
    border: 1px solid #D5D8DE;
    transition: 0.6s;
    padding: 35px 50px 0;
    display: block;
    transition: 0.6s;
}
.sec1 .joke .pages .item h5 {
    font-size: 24px;
    font-weight: 500;
    line-height: 40px;
    color: #111111;
    text-align: left;
    transition: 0.6s;
}
.sec1 .joke .pages .item p {
    font-size: 18px;
    font-weight: 100;
    color: #111111;
    text-align: left;
    transition: 0.6s;
}
.sec1 .joke .pages .item:hover {
    background: #054C97!important;
}
.sec1 .joke .pages .item:hover p,.sec1 .joke .pages .item:hover  h5 {
    color: #FFFFFF;
}
@media screen and (max-width: 1600px) {
    .sec1 .joke {
        width: 90%;
    }
    .sec1 .joke .title {
        margin-bottom: 80px;
    }
    .sec1 .joke .title h1 {
        font-size: 32px;
        line-height: 40px;
    }
    .sec1 .joke .title p {
        font-size: 18px;
    }
    .sec1 .joke .new_title h2 {
        font-size: 20px;
    }
    .sec1 .joke .pages .item h5 {
        font-size: 20px;
    }
    .sec1 .joke .pages .item p {
        font-size: 16px;
    }
    .sec1 .joke .content p {
        font-size: 16px;
        line-height: 2.5;

    }
    .sec1 .joke .pages .item {
        width: 48%;
    }
}
@media screen and (max-width: 1024px) {
    .sec1 {
        padding-top: 100px;
    }
    .sec1 .joke .title h1 {
        font-size: 24px;
        line-height: 30px;
        margin-bottom: 15px;
    }
    .sec1 .joke .title p {
        font-size: 14px;
    }
    .sec1 .joke .title {
        margin-bottom: 30px;
    }
    .sec1 .joke .new_title h2 {
        font-size: 18px;
        margin-bottom: 10px;
    }
    .sec1 .joke .new_title {
        padding-bottom: 15px;
        margin-bottom: 20px;
    }
    .sec1 .joke .new_title p {
        font-size: 14px;
    }
    .sec1 .joke .content p {
        font-size: 14px;
    }
    .sec1 .joke .pages .item h5 {
        font-size: 16px;
    }
    .sec1 .joke .pages .item p {
        font-size: 14px;
    }
    .sec1 .joke .pages .item {
        padding: 20px 20px 0;
        height: 100px;
    }
    .sec1 .joke .pages {
        margin: 40px 0 50px;
    }

}
@media screen and (max-width: 1024px) {
    .sec1 .joke .new_title h2 {
        font-size: 18px;
        margin-bottom: 10px;
    }
    .sec1 .joke .pages .item p{
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}
@media screen and (max-width: 768px) {
    .sec1 .joke .title h1,.sec1 .joke .title p,.sec1 .joke .new_title h2,.sec1 .joke .new_title p,.sec1 .joke .pages .item h5,.sec1 .joke .pages .item p {
        text-align: center;
    }
    .sec1 .joke .content p {
        text-align: center;
    }
    .sec1 .joke .pages .item {
        text-align: center;
    }
    .sec1 .joke .title h1 br {
        display: none;
    }
    .sec1 .joke .pages .item h5 {
        line-height: 16px;
        margin-bottom: 18px;
    }
}