* {

    padding: 0;

    margin: 0;

    list-style: none;

    text-decoration: none;

}



.banner {

    width: 100%;

    height: 599px;

    background: url(../images/banner3.png)no-repeat;

    background-size: cover;

}



.banner-content {
    
    display: flex
;
    flex-direction: column;

    width: 560px;

    position: relative;

    top: 50%;

    left: 50%;

    transform: translate(-50%, -50%);

}



.banner-content .search {

    width: 100%;

    height: 50px;

    background: #FFFFFF;

    border-radius: 25px;

    display: flex;

    align-items: center;

}



.banner-content .search span {

    margin-left: 21px;

    margin-right: 17px;

    font-size: 16px;

}



.banner-content .search input {

    width: 100%;

    font-size: 16px;

    background: transparent;

    border: none;

    line-height: 50px;

    outline: none;

}



.banner-content .sign {

    display: flex;

    margin-top: 14px;

}



.banner-content .sign a {

    font-size: 14px;

    font-family: Source Han Sans CN;

    font-weight: 400;

    color: #FFFFFF;

    margin-right: 10px;

}



.section {

    width: 100%;

    height: auto;

}



.section-warp {

    width: 1544px;

    margin: auto;

    overflow: hidden;

}



.section-top {

    width: 100%;

    margin-top: 46px;

    text-align: center;

    border-bottom: 1px solid #E6E6E6;

    padding-bottom: 31px;

}



.section-top h1 {

    font-size: 36px;

    font-family: HarmonyOS Sans SC;

    font-weight: 500;

    color: #262626;

}



.section-bottom {

    width: 100%;

    display: flex;

    flex-wrap: wrap;

    margin-top: 52px;

    margin-bottom: 103px;

}



.section-bottom .bottom-color {

    width: 500px;

    height: 460px;

    background: #F5F5F5;

    margin-bottom: 23px;

    margin-right: 22px;

}



.section-bottom .bottom-color:nth-child(3) {

    margin-right: 0;

}



.bottom-color .color-warp {

    margin-left: 65px;

    margin-top: 34px;

}



.bottom-color .color-warp .imgs {

    display: flex;

    align-items: center;

}



.bottom-color .color-warp .imgs img {

    margin-right: 28px;

    cursor: pointer;

    /* animation: imgs 1.5s linear infinite; */

    transition: 0.6s;

}



@keyframes imgs {

    0% {

        transform: rotate(0deg);

    }

    25% {

        transform: rotate(4deg);

    }

    50% {

        transform: rotate(0deg);

    }

    75% {

        transform: rotate(-4deg);

    }

    100% {

        transform: rotate(0deg);

    }

}



.bottom-color .color-warp .imgs .sign h1 {

    font-size: 26px;

    font-family: HarmonyOS Sans SC;

    font-weight: 500;

    color: #262626;

    transition: 0.4s;

}



.bottom-color .color-warp .imgs:hover .sign h1 {

    color: #005CFF;

}



.bottom-color .color-warp .imgs .sign p {

    font-size: 14px;

    font-family: HarmonyOS Sans SC;

    font-weight: 300;

    color: #999999;

    margin-top: 10px;

}



.bottom-color .color-warp .content {

    margin-top: 37px;

    display: flex;

    flex-direction: column;

}



.bottom-color .color-warp .content a {

    font-size: 16px;

    font-family: HarmonyOS Sans SC;

    font-weight: 400;

    color: #262626;

    line-height: 50px;

    transition: 0.6s;

}



.bottom-color .color-warp .content a:hover {

    color: #005CFF;

}





/* tow */



.tow-section {

    width: 100%;

    height: auto;

}



.tow-warp {

    width: 1545px;

    margin: auto;

    text-align: center;

    overflow: hidden;

}



.tow-warp .tow-top {

    font-size: 36px;

    font-family: HarmonyOS Sans SC;

    font-weight: 500;

    color: #262626;

    margin-top: 50px;

    margin-bottom: 61px;

}



.tow-warp .tow-bottom {

    width: 1543px;

    height: auto;

    border: 1px solid #EEEEEE;

    margin-bottom: 110px;

    display: flex;

    justify-content: space-between;

}



.tow-bottom .left {

    width: 386px;

    height: 100%;

    border-right: 1px solid #EEEEEE;

}



.tow-bottom .left li {

    width: 100%;

    height: 73px;

    display: flex;

    align-items: center;

    cursor: pointer;

    transition: 0.4s;

}



.tow-bottom .left li p {

    font-size: 18px;

    font-family: HarmonyOS Sans SC;

    font-weight: 300;

    color: #262626;

    margin-left: 57px;

    transition: 0.4s;

}



.left-active {

    background: #EEEEEE;

}



.blue-active {

    color: #005CFF!important;

}



.tow-bottom .right .sign {

    width: 77%;

    margin: 65px auto 0;

    text-align: left;

}



.tow-bottom .right .sign p {

    font-size: 16px;

    font-family: HarmonyOS Sans SC;

    font-weight: 500;

    color: #262626;

    line-height: 48px;

    margin-bottom: 80px;

}



.tow-bottom .right .sign .imgs {

    width: 750px;

    height: 558px;

    overflow: hidden;

    margin: auto;

}



.tow-bottom .right .sign .imgs img {

    width: 100%;

    height: 100%;

    transition: 0.8s;

    cursor: pointer;

}



.tow-bottom .right .sign .imgs img:hover {

    transform: scale(1.1);

}



.three-section {

    width: 100%;

    height: auto;

    margin-top: 100px;

}



.three-warp {

    width: 82%;

    margin: auto;

}



.three-warp .three-contnet h1 {

    font-size: 18px;

    font-family: HarmonyOS Sans SC;

    font-weight: 500;

    color: #403f3f;

    margin-bottom: 26px;

    margin-top: 12px;

    /*text-align: center;*/

    overflow: hidden;

    white-space: nowrap;

    text-overflow: ellipsis;

    letter-spacing: 1px;
}



.three-warp .three-contnet .thread {

    width: 100%;

    height: 1px;

    background: #E6E6E6;

    margin-bottom: 29px;

}



.three-warp .three-contnet .flex {

    display: flex;

    flex-wrap: wrap;

    justify-content: center;

    align-items: center;

    box-sizing: border-box;

    margin-bottom: 59px;

}



.three-warp .three-contnet .flex-warp {

    margin-right: 10px;

    /*margin-bottom: 45px;*/
    margin-bottom: 68px;
    width: 30%;

    height: 310px;

    position: relative;

}



.three-warp .three-contnet .flex-warp .imgs {

    width: 100%;

    height: 100%;

    overflow: hidden;

}



.three-warp .three-contnet .flex-warp .imgs img {

    width: 100%;

    height: 100%;

    transition: 0.8s;

    cursor: pointer;

}



.three-warp .three-contnet .flex-warp .imgs img:hover {

    transform: scale(1.1);

}



.three-warp .three-contnet .flex-warp .sign {

    position: absolute;

    left: 47%;

    top: 50%;

    transform: translateY(-50%);

}



.three-warp .three-contnet .flex-warp .sign h1 {

    font-size: 32px;

    font-family: HarmonyOS Sans SC;

    font-weight: 500;

    color: #FFFFFF;

}



.three-warp .three-contnet .flex-warp .sign span {

    font-size: 50px;

    color: #fff;

    border-radius: 50%;

    cursor: pointer;

    transition: 0.6s;

}



.three-warp .three-contnet .flex-warp .sign span:hover {

    background: #005CFF;

}



.four-section {

    width: 100%;

    height: auto;

}



.four-warp {

    width: 1000px;

    margin: auto;

    text-align: center;

    overflow: hidden;

}



.four-top {

    margin-top: 46px;

}



.four-top h1 {

    font-size: 36px;

    font-family: HarmonyOS Sans SC;

    font-weight: 500;

    color: #262626;

    margin-bottom: 32px;

}



.four-top .thread {

    width: 100%;

    height: 1px;

    background: #E6E6E6;

}



.four-bottom {

    margin-top: 38px;

    margin-bottom: 50px;

}



.four-bottom .bottom-warp {

    width: 100%;

    height: auto;

    margin-bottom: 30px;

}



.four-bottom .bottom-warp .bottom-nav {

    display: flex;

    justify-content: space-between;

    align-items: center;

    border-bottom: 1px solid #E6E6E6;

    padding-bottom: 29px;

    transition: 0.6s;

}



.four-bottom .bottom-warp .bottom-nav h1 {

    font-size: 18px;

    font-family: HarmonyOS Sans SC;

    font-weight: 300;

    color: #262626;

    transition: 0.6s;

    cursor: pointer;
}



.four-bottom .bottom-warp .bottom-nav span {

    color: #999999;

    font-size: 20px;

    cursor: pointer;

    transform: rotate(0deg);

    transition: 0.6s;

}



.four-bottom .bottom-warp .color {

    width: 100%;

    height: 280px;

    background: #F5F5F5;

    overflow: hidden;

    display: none;

    overflow-y:scroll;

}



.four-bottom .bottom-warp .color .sign {

    width: 92%;

    margin: 41px auto 26px;

    text-align: left;

}



.four-bottom .bottom-warp .color .sign p {

    font-size: 16px;

    font-family: HarmonyOS Sans SC;

    font-weight: 300;

    color: #262626;

    line-height: 36px;

    margin-bottom: 45px;

}



.four-bottom .bottom-warp .color .sign span {

    font-size: 16px;

    font-family: HarmonyOS Sans SC;

    font-weight: 300;

    /*color: #005CFF;*/

    /*float: right;*/

    cursor: pointer;

}

.lanse-active {

    color: #005CFF!important;

}



.rota-active {

    transform: rotate(135deg)!important;

    color: #005CFF!important;

}



.four-bottom .switching {

    width: 100%;

    justify-content: center;

    display: flex;

    margin-top: 50px;

}



.four-bottom .switching a:nth-child(1) {

    transform: rotate(180deg);

}



.four-bottom .switching a {

    width: 40px;

    height: 40px;

    background: #F4F4F4;

    display: flex;

    align-items: center;

    justify-content: center;

    font-size: 14px;

    font-family: HarmonyOS Sans SC;

    font-weight: 300;

    color: #000000;

    margin-right: 6px;

    transition: 0.6s;

}



.switching-active {

    background: #005CFF!important;

    color: #fff!important;

}



.four-bottom .switching a:hover {

    background: #005CFF;

    color: #fff;

}



@media screen and (max-width: 768px) {

    .banner-content {

        width: 90%;

    }

    .section-warp {

        width: 90%;

    }

    .section-bottom .bottom-color {

        width: 100%!important;

        height: auto;

    }

    .bottom-color .color-warp {

        width: 100%;

        margin: auto;

    }

    .bottom-color .color-warp .imgs {

        width: 90%;

        margin: 20px auto;

    }

    .section .section-bottom .content {

        width: 90%;

        margin: 0 auto 15px;

    }

    .banner {

        background-position: center;

    }

    .tow-warp .tow-bottom {

        width: 100%!important;

        margin: 0 auto 50px;

        flex-direction: column;

        border: none;

    }

    .tow-warp {

        width: 90%;

    }

    .tow-warp .tow-top {

        margin-top: 34px;

    }

    .tow-bottom .left {

        width: 100%;

    }

    .tow-bottom .right .sign {

        width: 100%!important;

    }

    .tow-bottom .right .sign p {

        margin-bottom: 15px;

        font-size: 15px;

    }

    .tow-bottom .right .sign .imgs {

        width: 100%;

        height: auto;

    }

    .three-warp {

        width: 90%;

    }

    .three-section {

        margin-top: 50px;

    }

    .three-warp .three-contnet .flex-warp {

        margin-right: unset;

        width: 100%!important;

    }

    .four-warp {

        width: 90%;

    }

    .four-bottom .bottom-warp .bottom-nav h1 {

        font-size: 16px;

    }

    .four-bottom .bottom-warp .color .sign p {

        font-size: 14px;

        margin-bottom: 0;

    }

    .four-bottom .bottom-warp .color {

        height: auto;

    }

    .four-bottom .bottom-warp .color .sign span {

        margin-bottom: 30px;

        margin-top: 20px;

    }

}



@media screen and (max-width: 1680px) {

    .section-warp {

        width: 90%;

    }

    .section-bottom .bottom-color {

        width: 32%;

    }

    .tow-warp {

        width: 90%;

    }

    .tow-warp .tow-bottom {

        width: 90%;

    }

    .tow-bottom .left li p {

        margin-left: unset;

    }

    .tow-bottom .right {

        width: 96%;

        margin-bottom: 82px;

    }

    .tow-bottom .right .sign {

        width: 65%;

    }

    .tow-bottom .left li {

        justify-content: center;

    }

    .three-warp .three-contnet .flex-warp {

        width: 32%;

    }

}