.banner {
    width: 100%;
}
.banner img {
    display: block;
    width: 100%;
}
.link {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 60px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.16);
}
.link .line {
    width: 108px;
    height: 2px;
    background: #39B6E7;
    position: absolute;
    bottom: -1px;
    /*left: 709px;*/
    transition: 1s;
}
.link a {
    display: block;
    font-size: 20px;
    font-family: HarmonyOS;
    font-weight: 400;
    color: #232323;
    transition: 1s;
    margin-right: 118px;
}
.link a:nth-child(4) {
    margin-right: 0;
}
.link a.on {
    color: #39B6E7;
}
.link a:hover {
    color: #39B6E7;
}
.section {
    width: 100%;
}

.section .title {
    width: 100%;
    border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}
.joke {
    width: 1480px;
    margin: auto;
}
.section .title .joke h1 {
    font-size: 48px;
    font-family: HarmonyOS-B;
    font-weight: bold;
    color: #333333;
    line-height: 274px;
}
.section .content .joke .top {
    display: flex;
    align-items: center;
    padding-top: 70px;
    padding-bottom: 90px;
}
.section .content .joke .top h1 {
    width: 50%;
    font-size: 34px;
    font-family: HarmonyOS-B;
    font-weight: bold;
    color: #242424;
}
.section .content .joke .top p {
    width: 50%;
    font-size: 18px;
    font-family: HarmonyOS;
    font-weight: 400;
    color: #3E3E3E;
}
.section .content .joke .img {
    width: 100%;
    overflow: hidden;
    height: 600px;
}
.section .content .joke .img img {
    width: 100%;
    height: 100%;
    display: block;
    margin-bottom: 80px;
    transition: 1s;
}
.section .content .joke .gc {
    display: flex;
    flex-wrap: wrap;
    border-top: 1px solid rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(0, 0, 0, 0.15);
    margin-top: 80px;
    padding-top: 66px;
    margin-bottom: 121px;
}
.section .content .joke .gc .item {
    width: 33.33%;
    margin-bottom: 51px;
    position: relative;
}
.section .content .joke .gc .item {
    padding-left: 72px;
}
/* .section .content .joke .gc .item:nth-child(1),.section .content .joke .gc .item:nth-child(2) { */
.section .content .joke .gc .item{
    margin-bottom: 103px;
}
.section .content .joke .gc .item:before {
    content: "";
    width: 1px;
    height: 220px;
    background: #000000;
    opacity: 0.04;
    position: absolute;
    right: 0;
    top: -27px;
}
.section .content .joke .gc .item:nth-child(1):after {
    content: "";
    width: 1480px;
    height: 1px;
    background: rgba(0, 0, 0, 0.08);
    position: absolute;
    bottom: -51px;
    left: 0;
}
.section .content .joke .gc .item h1 {
    font-size: 28px;
    font-family: HarmonyOS;
    font-weight: 400;
    color: #242424;
    margin-bottom: 79px;
    transition: 1s;
}
.section .content .joke .gc .item:hover h1 {
    color: #39B6E7;
}
.section .content .joke .gc .item .iconfont {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border: 1px solid #C6C8CB;
    border-radius: 50%;
    transition: 1s;
    position: relative;
}
.section .content .joke .gc .item:hover .iconfont {
    background: #39B6E7;
    border-radius: 50%;
    border: 1px solid transparent;
}
.section .content .joke .gc .item .iconfont img {
    position: absolute;
    display: block;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    transition: 1s;
}
.section .content .joke .gc .item .iconfont img:nth-child(1) {
    opacity: 1;
}
.section .content .joke .gc .item .iconfont img:nth-child(2) {
    opacity: 0;
}
.section .content .joke .gc .item:hover .iconfont img:nth-child(1) {
    opacity: 0;
}
.section .content .joke .gc .item:hover .iconfont img:nth-child(2) {
    opacity: 1;
}

.link .line {
    width: 160px;
}
.section .content .joke .gc .item{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
@media screen and (max-width: 1520px) {
    .joke {
        width: 90%;
    }
    .section .content .joke .gc {
        position: relative;
    }
    .section .content .joke .gc:after {
        content: "";
        position: absolute;
        width: 100%;
        height: 1px;
        background: rgba(0, 0, 0, 0.08);
        position: absolute;
        bottom: 50%;
        left: 0;
    }
    .section .content .joke .gc .item:nth-child(1):after {
        display: none;
    }
    .section .content .joke .gc .item h1 {
        font-size: 24px;
        margin-bottom: 55px;
    }
}
@media screen and (max-width: 1024px) {
    .banner {
        height: 40vh;
    }

    .banner img {
        height: 100%;
    }

    .link {
        height: 50px;
        padding: 0 20px;
        justify-content: space-between;
    }

    .link a {
        margin-right: 0;
        font-size: 14px;
        text-align: center;
        line-height: 50px;
        height: 100%;
        width: 25%;
    }
    .section .content .joke .top p {
        font-size: 14px;
        line-height: 28px;
    }
    .link .line {
        width: 84px;
        left: 190px;
    }

    .section .title {
        height: 150px;
    }

    .section .title .joke h1 {
        font-size: 32px;
        line-height: 150px;
    }
    .section .content .joke .top {
        display: block;
        padding: 50px 0;
    }
    .section .content .joke .top h1 {
        margin-right: 0;
        width: 100%;
        font-size: 24px;
        margin-bottom: 30px;
    }
    .section .content .joke .top p {
        width: 100%;
        margin-right: 0;
    }
    .section .content .joke .img {
        height: auto;
    }
    .section .content .joke .img img {
        margin-bottom: 0;
    }
    .section .content .joke .gc .item {
        width: 50%;
    }
    .section .content .joke .gc .item {
        padding: 40px 0 20px 20px;
        margin-bottom: 0;
    }
    .section .content .joke .gc .item h1 {
        font-size: 18px;
        margin-bottom: 30px;
    }
    .section .content .joke .gc {
        padding-top: 0;
    }
    .section .content .joke .gc .item:nth-child(1), .section .content .joke .gc .item:nth-child(2) {
        padding-bottom: 20px;
        margin-bottom: 0;
    }
    .section .content .joke .gc .item:before {
        height: 90%;
        top: 50%;
        transform: translateY(-50%);
    }
    .section .content .joke .gc:after {
        bottom: 33.333%;
    }
    .section .content .joke .gc:before {
        content: "";
        position: absolute;
        width: 100%;
        height: 1px;
        background: rgba(0, 0, 0, 0.08);
        position: absolute;
        top: 33.333%;
        left: 0;
    }
    .section .content .joke .gc .item:nth-child(2n):before {
        display: none;
    }
}
@media screen and (max-width: 540px) {
    .link{
        overflow-x: scroll;
        justify-content: start;
    }
    .link::-webkit-scrollbar{
        display: none;
    }
    .link a{
        width: auto;
        margin-right: 30px;
        white-space: nowrap;
    }

}