.sec1 img {
    display: block;
    width: 100%;
}
.sec1 {
    position: relative;
}
.sec1 .text {
    width: 40vw;
    position: absolute;
    left: 6.25vw;
    top: 50%;
    transform: translateY(-50%);
}
.sec1 .text p {
    font-size: 20px;
    font-family: HarmonyOS Sans SC r;
    font-weight: 400;
    color: #666666;
    line-height: 32px;
    text-indent: 2em;
}
.sec1 .text h1 {
    font-size: 50px;
    font-family: HarmonyOS Sans SC b;
    font-weight: bold;
    color: #333333;
    margin-bottom: 15px;
}
.sec2 {
    padding: 81px 0 88px;
}
.sec2 .joke {
    width: 1680px;
    margin: auto;
}
.sec2 .joke h1 {
    font-size: 50px;
    font-family: HarmonyOS Sans SC b;
    font-weight: bold;
    color: #333333;
    margin-bottom: 42px;
}
.sec2 .joke .main {
    display: flex;
}
.sec2 .joke .main .left {
    width: 690px;
    padding:  0 50px;
    background: #F6F6F6;
}
.sec2 .joke .main .left .item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #CCCCCC;
    position: relative;
    height: 200px;
}
.sec2 .joke .main .left .item:nth-last-child(1) {
    border: none;
}
.sec2 .joke .main .left .item:not(:nth-last-child(1)):after {
    content: "";
    width: 0%;
    height: 1px;
    position: absolute;
    left: 0;
    bottom: -1px;
    background: #E60012;
    transition: 0.6s;
}
.sec2 .joke .main .left .item p {
    font-size: 22px;
    font-family: HarmonyOS Sans SC r;
    font-weight: 400;
    color: #666666;
    transition: 0.6s;
}
.sec2 .joke .main .left .item .iconfont {
    font-size: 35px;
    color: #E60012;
}
.sec2 .joke .main .left .item:nth-child(2) .iconfont {
    font-size: 45px;
}
.sec2 .joke .main .left .item:hover p{
    color: #E60012;
}
.sec2 .joke .main .left .item:hover:after {
    width: 100%;
}
.sec2 .joke .main .right {
    position: relative;
}
.sec2 .joke .main .right .text {
    width: 660px;
    position: absolute;
    left: 50%;
    top: 75px;
    transform: translateX(-50%);
    z-index: 3;
}
.sec2 .joke .main .right .text>p {
    font-size: 32px;
    font-family: HarmonyOS Sans SC r;
    font-weight: 400;
    text-align: center;
    color: #FFFFFF;
    line-height: 36px;
}
.sec2 .joke .main .right .text .play {
    display: flex;
    align-items: center;
    cursor: pointer;
    width: fit-content;
    margin: 40px auto 0;
}
.sec2 .joke .main .right .text .play .iconfont {
    font-size: 60px;
    color: #FFFFFF;
    margin-right: 17px;
    transition: 0.6s;
}
.sec2 .joke .main .right .text .play p {
    font-size: 20px;
    font-family: HarmonyOS Sans SC r;
    font-weight: 400;
    color: #FFFFFF;
    transition: 0.6s;
}
.sec2 .joke .main .right .text .play:hover p,.sec2 .joke .main .right .text .play:hover .iconfont {
    color: #E60012;
}
.sec3 {

    background: #EBEEF1;
}
.sec3 .joke {
    width: 1680px;
    margin: auto;
    padding: 81px 0 76px;
}
.sec3 .joke .main {
    position: relative;
}
.sec3 .joke .title{
    margin-bottom: 109px;
}
.sec3 .joke .title h1 {
    font-size: 50px;
    font-family: HarmonyOS Sans SC b;
    font-weight: bold;
    color: #333333;
    text-align: center;
    margin-bottom: 5px;
}
.sec3 .joke .title p {
    font-size: 20px;
    font-family: HarmonyOS Sans SC r;
    font-weight: 400;
    color: #333333;
    text-align: center;
}
.sec3 .joke .about_swiper1 {
    width: 1440px;
    margin: auto;
}
.sec3 .joke .about_swiper1 .img img {
    width: fit-content;
    margin: auto;
    display: block;
}
.sec3 .joke .about_swiper1 .img:after {
    content: url("../images/a10.png");
    position: absolute;
    left: 0px;
}
.sec3 .joke .about_swiper1 .img {
    margin: auto;
    position: relative;
}
.sec3 .joke .about_swiper1 p {
    width: 280px;
    font-size: 20px;
    font-family: HarmonyOS Sans SC r;
    font-weight: 400;
    color: #333333;
    line-height: 32px;
    margin: 85px auto 0;
    position: relative;
    z-index: 3;
    text-align: center;
}
.sec3 .joke .about_swiper1 .swiper-wrapper,.sec4 .about_swiper2 .swiper-wrapper {
    transition-timing-function: cubic-bezier(0.77, 0, 0.175, 1);
}
.sec3 .joke .main .btns {
    position: absolute;
    top: 61px;
    left: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    pointer-events: none;
}
.sec3 .joke .main .btns .iconfont {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #FFFFFF;
    border-radius: 50%;
    transition: 0.6s;
    color: #333333;
    pointer-events: auto;
    cursor: pointer;
    font-size: 24px;
}
.sec3 .joke .main .btns .iconfont:nth-child(1) {
    transform: rotate(180deg);
}
.sec3 .joke .main .btns .iconfont:hover {
    color: #FFFFFF;
    background: #E60012;
}
.sec4 {
    padding: 72px 0 95px;
}
.sec4 h1 {
    font-size: 50px;
    font-family: HarmonyOS Sans SC b;
    font-weight: bold;
    color: #FFFFFF;
    text-align: center;
    margin-bottom: 43px;
}
.sec4 .about_swiper2 {
    width: 1680px;
    margin: auto;
}
.sec4 .about_swiper2 .swiper-slide {
    height: 666px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 86px 40px 40px;
    background: #FFFFFF;
}
.sec4 {
    position: relative;
}
.sec4 .about_swiper2 .swiper-slide:after {
    content: "";
    width: 100%;
    height: 4px;
    background: #CA0000;
    position: absolute;
    top: 0;
    left: 0;
}
.sec4 .about_swiper2 .swiper-slide:before {
    content: "";
    width: 320px;
    height: 4px;
    background: #1264AC;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}
.sec4 .about_swiper2 .swiper-slide .sw_text {
    display: flex;
}
.sec4 .about_swiper2 .swiper-slide .sw_text img {
    display: block;
    width: 23px;
    height: 19px;
    margin: 10px 15px 0 0;
}
.sec4 .about_swiper2 .swiper-slide p {
    font-size: 26px;
    font-family: HarmonyOS Sans SC r;
    font-weight: 400;
    color: #333333;
    line-height: 42px;
}
.sec4 .about_swiper2 .swiper-slide .img {
    overflow: hidden;
}
.sec4 .about_swiper2 .swiper-slide .img img {
    transition: 3s;
}
.sec4 .about_swiper2 .swiper-slide:hover .img img {
    transform: scale(1.1);
}
.sec3 {
    position: relative;
}
.sec3 #particles-js {
    background-size: cover;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    width: 680px;
    height: 85px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 6;
    opacity: 0.2;
}
.cursor {
    width: 80px;
    height: 80px;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    transition: opacity .3s, color .4s;
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
    backface-visibility: hidden;
    border: 1px solid #333333;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cursor p {
    font-size: 18px;
    font-family: HarmonyOS Sans SC r;
    font-weight: 400;
    color: #333333;
}
.cursor.cursor_active {
    opacity: 1;
}
.pe {
    display: none!important;
}
@media screen and (max-width:1800px){
    .sec1 .text p {
        font-size: 18px;
    }
    .sec1 .text h1,.sec2 .joke h1,.sec3 .joke .title h1,.sec4 h1 {
        font-size: 40px;
    }
    .sec2 .joke,.sec3 .joke,.sec4 .about_swiper2 {
        width: 90%;
    }
    .sec2 .joke .main .left .item p {
        line-height: unset;
    }
    .sec2 .joke .main .left .item {
        height: 33.3333%;
    }
    .sec3 .joke .main .btns {
        width: 95vw;
        left: 50%;
        transform: translateX(-50%);
    }
    .sec3 .joke .about_swiper1 {
        width: 100%;
    }
}
@media screen and (max-width:1700px){
    .sec1 .text p {
        line-height: 28px;
    }
}
@media screen and (max-width:1600px){
    .sec1 .text h1, .sec2 .joke h1, .sec3 .joke .title h1, .sec4 h1 {
        font-size: 30px;
    }
    .sec1 .text p {
        font-size: 16px;
        line-height: 24px;
    }
    .sec2 .joke .main .right .text>p {
        font-size: 24px;
    }
    .sec2 .joke .main .left .item p {
        font-size: 18px;
    }
    .sec2 .joke .main .right .text .play p {
        font-size: 16px;
    }
    .sec2 .joke .main .right .text .play .iconfont {
        font-size: 45px;
    }
    .sec2 .joke .main .left .item .iconfont {
        font-size: 30px;
    }
    .sec3 .joke .title p {
        font-size: 18px;
    }
    .sec2 .joke .main .left {
        width: 45%;
    }
    .sec3 .joke .about_swiper1 p {
        font-size: 16px;
    }
    .sec3 .joke .main .btns .iconfont {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    .sec4 .about_swiper2 .swiper-slide p {
        font-size: 20px;
        line-height: 1.5;
    }
    .sec4 .about_swiper2 .swiper-slide {
        height: 55vh;
        padding: 57px 40px 40px;
    }
}
@media screen and (max-width:1400px){
    .sec1 .text h1, .sec2 .joke h1, .sec3 .joke .title h1, .sec4 h1 {
        font-size: 24px;
    }
    .sec1 .text p {
        font-size: 14px;
    }
    .sec2 .joke .main .right .text>p {
        font-size: 20px;
    }
    .sec2 .joke .main .left .item p {
        font-size: 16px;
    }
    .sec4 .about_swiper2 .swiper-slide p {
        font-size: 18px;
    }
    .sec4 .about_swiper2 .swiper-slide .sw_text img {
        margin: 4px 15px 0 0;
    }
}
@media screen and (max-width:1024px){
    .sec2 .joke .main .right .text .play {
        margin: 80px auto 0;
    }
    .sec2 .joke .main .right img {
        filter: brightness(0.7);
    }
    .pc {
        display: none!important;
    }
    .pe {
        display: block !important;
    }
    .sec1 .text {
        width: 90vw;
        margin: auto;
        transform: unset;
        position: unset;
        padding: 30px 0;
    }
    .sec1 {
        display: flex;
        flex-direction: column-reverse;

    }
    .sec2 .joke .main {
        flex-direction: column-reverse;
    }
    .sec2 .joke .main .right .text {
        width: 90%;
        top: 50%;
        transform: translate(-50%,-50%);
    }
    .sec2 .joke .main .left {
        width: 100%;
        display: flex;
        padding: 0;
    }
    .sec2 .joke .main .left .item {
        width: 33.333%;
        border: none;
        padding: 0 20px;
    }
    .sec2 .joke .main .left .item {
        height: 150px;
    }
    .sec2 .joke .main .left .item:not(:nth-last-child(1)):after {
        width: 1px;
        height: 50%;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        left: unset;
        bottom: unset;
        background: #CCCCCC;
    }
    .sec3 .joke .about_swiper1 .img:after {
        display: none;
    }
    .sec3 .joke .about_swiper1 p {
        width: 100%;
        margin: 10px auto 0;
    }
    .sec3 .joke .main .btns {
        z-index: 9999;
    }
    .sec4 .about_swiper2 .swiper-slide {
        height: 350px;
        padding: 30px 20px 20px;
    }
    .sec4 .about_swiper2 .swiper-slide:before {
        width: 100%;
    }
}
@media screen and (max-width:768px){
    .cursor {
        display: none!important;
    }
    .sec3 #particles-js {
        width: 100%;
    }
    .sec2 {
        padding: 40px 0 50px;
    }
    .sec2 .joke .main .right .text>p {
        font-size: 16px;
        line-height: 1.5;
    }
    .sec2 .joke .main .right .text .play p {
        font-size: 14px;
    }
    .sec2 .joke .main .left .item {
        width: 100%;
    }
    .sec2 .joke .main .left {
        flex-direction: column;
    }
    .sec2 .joke .main .left .item:not(:nth-last-child(1)):after {
        width: calc(100% - 40px);
        height: 1px;
        left: 50%;
        bottom: 0;
        top: unset;
        right: unset;
        transform: translateX(-50%);
    }
    .sec2 .joke h1 {
        margin-bottom: 30px;
    }
    .sec3 .joke .title p {
        font-size: 14px;
    }
    .sec3 .joke .main .btns .iconfont {
        width: 40px;
        height: 40px;
        font-size: 16px;

    }
    .sec3 .joke .title {
        margin-bottom: 40px;
    }
    .sec3 .joke {
        padding: 41px 0 46px;
    }
    .sec2 .joke .main .left .item {
        height: 80px;
    }
    .sec2 .joke .main .left .item p {
        font-size: 14px;
    }
    .sec2 .joke .main .left .item:nth-child(2) .iconfont {
        font-size: 36px;
    }
    .sec4 .about_swiper2 .swiper-slide p {
        font-size: 16px;
    }
    .sec4 .about_swiper2 .swiper-slide .sw_text img {
        width: 19px;
        height: 15px;
    }
    .sec4 {
        padding: 40px 0 50px;
    }
    .sec4 h1 {
        margin-bottom: 30px;
    }
}