.sec {
    width: 100%;
    padding-top: 100px;
    background: #333333;
    overflow: hidden;
}
.sec .joke {
    width: 1420px;
    margin: auto;
}
.sec .joke .title {
    font-size: 40px;
    font-family: Arial;
    font-weight: 900;
    color: #FFFFFF;
    text-align: center;
}
.sec .joke .line1 {
    display: block;
    width: 1px;
    height: 63px;
    background: rgba(255,255,255,0.2);
    margin: 17px auto 29px;
    position: relative;
}
.sec .joke .line1:after {
    content: "";
    position: absolute;
    width: 1px;
    height: 19px;
    background: #FFFFFF;
    top: 0;
    left: 0;
    z-index: 1;
}
.sec .joke .content {
    display: flex;
    flex-wrap: wrap;
    overflow: hidden;
    margin-bottom: 169px;
}
.sec .joke .content .item {
    margin-right: 50px;
    width: 440px;
    height: 520px;
    margin-bottom: 66px;
    border-left: 3px solid;
    border-image: linear-gradient(rgba(219, 1, 28, 1),rgba(219, 1, 28, 1),rgba(219, 1, 28, 0.2),rgba(219, 1, 28, 0)) 0 180;
}
.sec .joke .content .item:nth-child(3n) {
    margin-right: 0;
}
.sec .joke .content .item:nth-child(3n+1),.sec .joke .content .item:nth-child(3n) {
    transform: translateY(83px);
}
.sec .joke .content .item .img {
    overflow: hidden;
    margin-bottom: 35px;
}
.sec .joke .content .item .img img {
    width: 100%;
    display: block;
    transition: 0.6s;
}
.sec .joke .content .item .img:hover img {
    width: 100%;
    transform: scale(1.2);
}
.sec .joke .content .item .text {
    padding-left: 33px;
}
.sec .joke .content .item .text h1 {
    font-size: 22px;
    font-family: Arial;
    font-weight: 900;
    color: #FFFFFF;
    margin-bottom: 25px;
}
.sec .joke .content .item .text a {
    display: flex;
    align-items: center;
    font-size: 18px;
    font-family: Arial;
    font-weight: normal;
    color: #666666;
    margin-bottom: 10px;
    transition: 0.6s;
}
.sec .joke .content .item .text a .line {
    display: block;
    width: 0px;
    height: 1px;
    background: #FFFFFF;
    margin-right: 0px;
    transition: 0.6s;
}
.sec .joke .content .item .text a:hover .line {
    width: 10px;
    margin-right: 10px;
}
.sec .joke .content .item .text a:hover {
    color: #FFFFFF;
}