.sec1 {
    width: 100%;
}
.sec1 .joke {
    width: 1080px;
    margin: 0 auto;
    display: flex;
    padding-top: 87px;
    justify-content: space-between;
}
.sec1 .joke .content {
    width: 760px;
}
.sec1 .joke .content .title h1 {
    font-size: 22px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
}
.sec1 .joke .content .title {
    margin-bottom: 29px;
}
.sec1 .joke .a4_link {
    display: flex;
    position: relative;
    border-bottom: 1px solid #e6e6e6;
    padding-bottom: 30px;
    margin-bottom: 35px;
}
.sec1 .joke .a4_link p {
    margin-right: 65px;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #333333;
    color: #b3b3b3;
    transition: 1s;
    cursor: pointer;
}
.sec1 .joke .a4_link .line {
    width: 112px;
    height: 1px;
    background: #EFB81D;
    bottom: -1px;
    position: absolute;
    left: 0;
    transition: 1s;
}
.sec1 .joke .a4_link p.on {
    color: #EFB81D;
}
.sec1 .joke .a4_link p:hover {
    color: #EFB81D;
}
.sec1 .joke .content .title p {
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #333333;
    line-height: 36px;
    opacity: 0.3;
}
.sec1 .joke .sidebar {
    width: 260px;
    border-top: 2px solid #000000;
}
.sec1 .joke .sidebar .item {
    display: flex;
    width: 100%;
    height: 49px;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px 0 6px;
    border-bottom: 1px solid #e6e6e6;
    transition: 0.6s;
    position: relative;
}
.sec1 .joke .sidebar .item p {
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    transition: 0.6s;
}
.sec1 .joke .sidebar .item .iconfont {
    font-size: 12px;
    font-weight: 700;
    color: #000000;
    transition: 0.6s;
}
.sec1 .joke .sidebar .item:hover p {
    color: #EFB81D;
}
.sec1 .joke .sidebar .item:hover .iconfont {
    color: #EFB81D;
}
.sec1 .joke .sidebar .item:after {
    content: "";
    width: 0%;
    height: 1px;
    background: #EFB81D;
    position: absolute;
    bottom: -1px;
    left: 0;
    transition: 0.6s;
}
.sec1 .joke .sidebar .item:hover:after {
    width: 100%;
}

.sec1 .joke .content .text {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
}
.sec1 .joke .content .text .img {
    width: 210px;
    background: #FFFFFF;
    border: 6px solid #333333;
}
.sec1 .joke .content .text .img img {
    display: block;
    max-width: 100%;
}
.sec1 .joke .content .text .item {
    width: 210px;
    margin-right: 65px;
    margin-bottom: 62px;
}
.sec1 .joke .content .text .item:nth-child(3n) {
    margin-right: 0;
}
.sec1 .joke .content .text .item p {
    font-size: 14px;
    line-height: 20px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    margin-top: 29px;
    text-align: center;
}
.sec1 .joke .sidebar .item.on p{
    color: #EFB81D;
}
.sec1 .joke .sidebar .item.on .iconfont {
    color: #EFB81D;
}
.sec1 .joke .sidebar .item.on {
    border-bottom: 1px solid #EFB81D;
}
.about4_ .swiper-slide {
    opacity: 0!important;
    pointer-events: none!important;
}
.about4_ .swiper-slide-active {
    opacity: 1!important;
    pointer-events: unset!important;
}
@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: 1024px){
    .sec1 .joke{
        width: 100%;
        padding: 60px 60px 0;
    }
    .sec1 .joke .sidebar{
        display: none;
    }
    .sec1 .joke .content {
        width: 100%;
    }
    .banner .text p:nth-child(1) {
        font-size: 34px;
    }
    /* .sec1 .joke .content .text .item{
        width: 33%;
        margin-right: 0;
    } */
    .sec1 .joke .content .text{
        justify-content: space-between;
    }
}


@media screen and (max-width: 820px){
    .sec1 .joke .content .text .item{
        margin-right: 30px;
    }
    .sec1 .joke .content .text .item {
        margin-bottom: 30px;
    }
    .sec1 .joke .a4_link {
        padding-bottom: 10px;
    }
}


@media screen and (max-width: 768px){
	.sec1 .joke .content .text .item{
        width: 280px;
        margin-right: 0;
    }
    .sec1 .joke .content .text .img{
        width: 100%;
    }
    .sec1 .joke .content .text .img img{
        width: 100%;
        height: auto;
    }
}


@media screen and (max-width: 540px){
    .sec1 .joke{
        width: 100%;
        padding: 60px 20px 0;
    }
    .sec1 .joke .content .text .item {
        width: 230px;
    }
    
}


@media screen and (max-width: 414px){
	.sec1 .joke .content .text .item {
        width: 180px;
    }
    .sec1 .joke .content .text .item p {
        font-size: 12px;
    }
    .sec1 .joke .content .text .item p {
        margin-top: 14px;
    }
    .sec1 .joke .a4_link p {
        margin-right: 20px;
    }
}

@media screen and (max-width: 375px){
	.sec1 .joke .content .text .item {
        width: 160px;
    }
}

@media screen and (max-width: 360px){
    .sec1 .joke .content .text .item {
        width:48%;
    }
}