* {
    margin: 0;
    padding: 0;
}


/* banner */

.n-banner {
    position: relative;
}

.n-banner-img img {
    width: 100%;
}

.n-banner-content {
    top: 18vw;
    left: calc((100% - 68vw)/2);
    width: 68vw;
    position: absolute;
}

.n-banner-title {
    font-weight: 400;
    font-size: 26px;
    color: #292929;
}

@media screen and (max-width:1800px) and (min-width:1400px) {
    .n-banner-title {
        font-size: 20px;
    }
    .n-banner-content .n-banner-btn {
        margin-top: 1.8vw;
    }
}

@media screen and (max-width:1400px) and (min-width:1200px) {
    .n-banner-title {
        font-size: 16px;
    }
    .n-banner-content .n-banner-btn {
        margin-top: 1.4vw;
    }
}

.n-banner-btn {
    display: block;
    margin-top: 2.6vw;
    width: 198px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    font-weight: 400;
    font-size: 18px;
    color: #FFFFFF;
    background-image: linear-gradient(175.62deg, #FF4040 2.49%, #DA0030 134.78%);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 4px;
}


/* 导航栏 */

.n-menu {
    position: relative;
    z-index: 3;
    width: 100%;
    height: 60px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: saturate(150%) contrast(80%) blur(10px);
    -webkit-backdrop-filter: blur(30px);
    margin-top: -59px;
}

.n-nav {
    width: 68vw;
    height: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
}

.n-tag ul {
    display: flex;
    flex-direction: row;
}

.n-tag li {
    margin-left: 24px;
    font-size: 14px;
    color: #B5B5B5;
    font-weight: normal;
    cursor: pointer;
    border-bottom: 1px solid transparent;
}

.n-tag li:hover {
    border-bottom: 1px solid #DA0030;
    color: #FFFFFF;
}

.n-tag-selected {
    border-bottom: 1px solid #DA0030!important;
    color: #FFFFFF!important;
    font-weight: bold!important;
}


/* 顶部面包屑 */

.ws-product-detail-bcb {
    width: 294px;
    line-height: 45px;
}

.com-content {
    max-width: 1200px;
    margin: 0 auto;
}

.ws-product-detail-bcb ul {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.breadcrumb {
    padding: 8px 15px;
    list-style: none;
    border-radius: 4px;
}

.breadcrumb>li {
    display: inline-block;
}

.ws-product-detail-bcb ul li a {
    font-size: 14px;
    font-family: Microsoft Yahei, Arial, sans-serif;
    color: #B5B5B5;
}

.ws-product-detail-bcb ul li:last-child a,
.ws-product-detail-bcb ul li a:hover {
    color: #FFFFFF;
    text-emphasis: none;
}

.ws-product-detail-bcb .breadcrumb>li+li:before {
    color: #7d7d7d;
    content: ">";
    padding: 0 10px;
}

.ws-product-detail-bcb ul li img {
    width: 16px;
    height: 16px;
    position: relative;
    top: -3px;
    vertical-align: middle;
}

.ws-product-detail-bcb ul {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}


/* 面包屑结束 */


/* 通用样式 */

.n-page-title {
    padding-top: 90px;
    text-align: center;
    font-weight: 700;
    font-size: 36px;
    line-height: 48px;
    color: #292929;
}

.n-page-desc {
    text-align: center;
    margin-top: 20px;
    font-weight: 400;
    font-size: 16px;
    color: #292929;
}

.n-page-content {
    width: 1440px;
    margin: 0 auto;
}


/* part1 */

#n-part1 {
    position: relative;
}

.n-part1-content {
    text-align: center;
}

.n-part1-content img {
    width: 100%;
}

#n-part1 .n-page-title {
    position: absolute;
    width: 300px;
    left: calc((100% - 300px)/2);
    padding-top: 0;
    top: 4.6875vw;
}

.n-part1-tags {
    position: absolute;
}

.n-tag-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: .75rem;
    color: #2C79D2;
    border: 1px solid #4BB1DB;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: 4px;
    background-color: #FFFFFF;
    padding: 0.3645vw 0;
    cursor: default;
}

.n-tag-title img {
    width: .8125rem;
}

.n-tag-title div:first-child {
    margin-left: 1.3541vw;
}

.n-tag-title div:last-child {
    margin-right: 1.666vw;
}

.n-tag-info {
    background-color: #FFFFFF;
    display: none;
}

.n-tag-info a {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.n-tag-info a:first-child {
    padding-bottom: 12px;
    padding-top: 0.78125vw;
}

.n-tag-info a:last-child {
    padding-bottom: 0.78125vw;
}

.n-tag-info a div {
    margin-right: 1rem;
    width: .625rem;
}

.n-tag-info a div img {
    width: 100%;
}

.n-tag-info a li {
    font-weight: 400;
    font-size: .5rem;
    color: #292929;
    margin-left: .8125rem;
    list-style: disc;
}

.n-part1-tag {
    position: absolute;
}

#n-tag1 {
    width: 19vw;
    margin-left: 13.7vw;
    margin-top: 10vw;
}

#n-tag2 {
    width: 14.58vw;
    margin-left: 36.8vw;
    margin-top: 10vw;
}

#n-tag3 {
    width: 13.75vw;
    margin-left: 55vw;
    margin-top: 10vw;
}

#n-tag4 {
    width: 13.54vw;
    margin-left: 72.7vw;
    margin-top: 10vw;
}

#n-tag5 {
    width: 14.6vw;
    margin-left: 13.7vw;
    margin-top: 43vw;
}

#n-tag6 {
    width: 20.9375vw;
    margin-left: 29.5vw;
    margin-top: 43vw;
}

#n-tag7 {
    width: 16vw;
    margin-left: 51.5vw;
    margin-top: 43vw;
}

#n-tag8 {
    width: 17.92vw;
    margin-left: 68.5vw;
    margin-top: 43vw;
}


/* part2 */

#n-part2 {
    background-image: url(../RJ-img/2-bg.png);
    background-size: cover;
    background-repeat: no-repeat;
    overflow: hidden;
    padding-bottom: 90px;
}

#n-part2 .n-page-content {
    margin-top: 62px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.n-part2-list {
    margin-top: 24px;
    position: relative;
    width: 708px;
    height: 100px;
    background-image: url(../RJ-img/2-list-bg.png);
    background-size: cover;
    background-repeat: no-repeat;
}

.n-list-top {
    display: flex;
    flex-direction: row;
    align-items: center;
    width: 100%;
    height: 100%;
    position: absolute;
    background-color: #FFFFFF;
    transition: all 0.3s;
}

.n-list-top h3 {
    color: #385075;
    font-weight: 700;
    font-size: 20px;
}

.n-list-top h4 {
    color: #292929;
    margin-top: 12px;
    font-weight: 400;
    font-size: 16px;
}

.n-list-top img {
    margin: 0 16px;
}

.n-list-top:hover {
    background-color: transparent;
}

#n-part2 .n-banner-btn {
    margin: 60px auto 90px auto;
}


/* part3 */

#n-part3 {
    background-color: #E8F4F9;
}

#n-part3 .n-page-content {
    margin-top: 60px;
    padding-bottom: 90px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
}

#n-part3 a {
    text-decoration: none;
}

.n-part3-list {
    margin-top: 24px;
    width: 464px;
    height: 426px;
    background-color: #FFFFFF;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.n-part3-list:hover {
    box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.25);
}

.n-part3-list img {
    height: 207px;
}

.n-part3-list h3 {
    margin-top: 28px;
    font-weight: 400;
    font-size: 20px;
    color: #292929;
}

.n-part3-list h4 {
    margin-top: 12px;
    font-weight: 400;
    font-size: 16px;
    color: #7D7D7D;
}

.n-part3-list h5 {
    margin-top: 38px;
    font-weight: 400;
    font-size: 14px;
    color: #01A0E8;
}

.n-part3-list:nth-child(1),
.n-part3-list:nth-child(2) {
    margin-top: 0;
    width: 708px;
    height: 397px;
}

.n-part3-list:nth-child(3) h5,
.n-part3-list:nth-child(4) h5 {
    margin-top: 66px;
}

.spe-content {
    display: none!important;
}

.m-content {
    display: none;
}


/* part4 */

#n-part4 .n-page-content {
    position: relative;
    margin-top: 60px;
    padding-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: space-between;
}

.n-video {
    position: relative;
    width: 464px;
    height: 484px;
    /* background-color: #FFFFFF; */
    cursor: pointer;
}

.n-video-preview {
    position: relative;
}

.n-video-preview img {
    width: 100%;
}


/* .n-video:hover {
    box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.25);
} */

.n-video:hover .n-video-mask {
    display: flex;
}

.n-video-mask {
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2));
    display: none;
    justify-content: center;
    align-items: center;
    top: 0;
    width: 100%;
    height: 100%;
    position: absolute;
}

.n-video-mask img {
    max-width: 72px;
}

.n-video-desc {
    text-align: center;
    font-weight: 400;
    font-size: 20px;
    height: 84px;
    line-height: 84px;
}

.video_swiper_arrow {
    transform: translateY(-10%);
    z-index: 0;
    top: 0;
    position: absolute;
    width: 1700px;
    left: calc((100% - 1700px)/2);
    height: 100%;
}

.video_swiper_arrow .swiper-button-next:after,
.video_swiper_arrow .swiper-button-prev:after {
    display: none;
}

.video_swiper_arrow .swiper-button-prev {
    width: 68px;
    height: 68px;
    background-image: url(../RJ-img/prev.svg);
}

.video_swiper_arrow .swiper-button-next {
    width: 68px;
    height: 68px;
    background-image: url(../RJ-img/next.svg);
}

#n-part4 {
    margin-bottom: 90px;
}


/* 视频弹窗 */

.n-modal {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    background-color: rgba(0, 0, 0, .8);
    text-align: right;
}

.n-modal video {
    width: 70vw;
}

#n-close_btn {
    cursor: pointer;
    margin-left: calc((100% - 2vw)/2 + 19.5vw);
}

#n-close_btn img {
    width: 2vw;
}


/* part5 */

#spot_swiper {
    margin-top: 60px;
    margin-bottom: 80px;
}

#spot_swiper .swiper-slide,
#spot_swiper .swiper-slide img {
    width: 532px!important;
}

#spot_swiper .swiper-button-next:after,
#spot_swiper .swiper-button-prev:after {
    display: none;
}

#spot_swiper .swiper-button-prev {
    width: 68px;
    height: 68px;
    background-image: url(../RJ-img/prev.svg);
}

#spot_swiper .swiper-button-next {
    width: 68px;
    height: 68px;
    background-image: url(../RJ-img/next.svg);
}

@media screen and (max-width:1700px) {
    .video_swiper_arrow {
        width: 200px;
        left: calc((100% - 200px)/2);
        transform: translateY(50%);
    }
    #n-part4 {
        margin-bottom: 140px;
    }
}

@media screen and (max-width:1440px) {
    .n-page-content {
        width: 1200px;
    }
    .n-part2-list {
        width: 48%;
    }
    .n-list-top h4 {
        margin-right: 12px;
    }
    #n-part4 .n-page-content {
        width: 1050px;
    }
    .n-video {
        width: 320px;
        height: 334px;
    }
    .video_swiper_arrow .swiper-button-prev,
    .video_swiper_arrow .swiper-button-next {
        width: 48px;
        height: 48px;
        background-size: cover;
    }
    .n-video-desc {
        font-size: 16px;
    }
    .n-video-mask img {
        width: 48px;
    }
    .video_swiper_arrow {
        width: 140px;
        left: calc((100% - 140px)/2);
        transform: translateY(60%);
    }
    .n-part3-list {
        width: 32%;
    }
    .n-part3-list:nth-child(1),
    .n-part3-list:nth-child(2) {
        width: 49%;
    }
}

@media screen and (max-width:750px) {
    .n-nav {
        display: none;
    }
    .n-page-content {
        width: 21.9375rem;
    }
    .n-page-title {
        padding-top: 2.8125rem;
        font-size: 1.125rem;
    }
    .n-banner-content {
        top: 7.125rem;
        width: 20.4375rem;
        left: calc((100% - 20.4375rem)/2);
    }
    .n-banner-title {
        font-size: .75rem;
    }
    .n-banner-btn {
        width: 8.375rem;
        height: 1.6875rem;
        line-height: 1.6875rem;
        border-radius: 40px;
        font-size: .875rem;
        margin: 9.1563rem auto 0 auto;
    }
    /* #n-part1 {
        display: none;
    } */
    .n-page-desc {
        margin-top: .625rem;
        font-size: .8125rem;
    }
    #n-part2 {
        padding-bottom: 2.8125rem;
    }
    #n-part2 .n-page-content {
        margin-top: .8125rem;
    }
    .n-part2-list {
        margin-top: .75rem;
        width: 10.625rem;
        height: 10rem;
        background-image: url(../RJ-img/2-list-bg_750.png);
    }
    .n-list-top {
        text-align: center;
        flex-direction: column;
        background-color: transparent;
    }
    .n-list-top:hover {
        background-color: none;
    }
    .n-list-top h3 {
        margin-top: .5625rem;
        font-size: .875rem;
    }
    .n-list-top h4 {
        margin-top: .75rem;
        width: 9.8rem;
        font-size: .8125rem;
    }
    .n-list-top img {
        width: 2.5rem;
        margin: 1.125rem 0 0 0;
    }
    #n-part2 .n-banner-btn {
        margin: 1.875rem auto 2.8125rem auto;
    }
    #n-part3 .n-page-content {
        display: none;
    }
    .spe-content {
        display: block!important;
    }
    .n-part3-list {
        width: 100%!important;
        height: 19.5313rem!important;
    }
    .n-part3-list img {
        margin-top: 1.875rem;
        width: 18.75rem;
        height: 7.8125rem;
    }
    .n-part3-list h3 {
        margin-top: 1.875rem;
        font-size: .875rem;
    }
    .n-part3-list h4 {
        margin-top: .75rem;
        font-size: .8125rem;
    }
    .n-part3-list h5 {
        margin-top: 1.125rem;
        font-size: .8125rem;
    }
    #n-part3 .n-page-content {
        margin-top: 1.5625rem;
        padding-bottom: 2.125rem;
    }
    #n-part3 .spe-content .swiper-pagination {
        bottom: 1.6875rem!important;
    }
    .n-part1-tags {
        display: none;
    }
    .n-part1-content {
        display: none;
    }
    .m-content {
        position: relative;
        display: block;
        width: 23.4375rem;
    }
    .know-img img {
        width: 100%;
    }
    #n-part1 .n-page-title,
    .n-part1-tag {
        z-index: 3;
    }
    .n-tag-title div:first-child {
        margin-right: 0;
        margin-left: .375rem;
    }
    .n-tag-title div:last-child {
        margin-right: .375rem;
    }
    .n-tag-title {
        font-size: 1rem;
    }
    .n-tag-title img {
        width: .9688rem;
    }
    .n-part1-tag {
        cursor: pointer;
    }
    .n-tag-info a li {
        font-size: .8125rem;
    }
    .n-tag-info a div {
        margin-right: .375rem;
        width: .7188rem;
    }
    #n-tag11 {
        width: 9.9688rem;
        margin-left: 0.2rem;
        margin-top: 7rem;
    }
    #n-tag22 {
        width: 9.5625rem;
        margin-left: 1.7rem;
        margin-top: 20rem;
    }
    #n-tag33 {
        width: 8.75rem;
        margin-left: 13.8rem;
        margin-top: 9rem;
    }
    #n-tag44 {
        width: 8.125rem;
        margin-left: 14.6rem;
        margin-top: 20rem;
    }
    #n-tag55 {
        width: 9.625rem;
        margin-left: 1.5rem;
        margin-top: 19.875rem;
    }
    #n-tag66 {
        width: 14.0625rem;
        margin-left: 1.875rem;
        margin-top: 10.3125rem;
    }
    #n-tag77 {
        width: 10.0938rem;
        margin-left: 11.8438rem;
        margin-top: 19.875rem;
    }
    #n-tag88 {
        width: 12.8125rem;
        margin-left: 9.8125rem;
        margin-top: 5.7188rem;
    }
    #know-swiper .swiper-pagination-bullet {
        background: rgba(255, 255, 255, 0.7)!important;
        opacity: 1!important;
    }
    #know-swiper .swiper-pagination-bullet-active {
        background: rgba(255, 255, 255)!important;
    }
    .n-tag-info a:first-child {
        padding-bottom: .375rem;
    }
    .n-menu {
        display: none;
    }
    #video_swiper {
        display: block;
        width: 21.9375rem;
        margin: 1.5rem auto 0 auto;
    }
    .n-video {
        height: 23.375rem;
        width: 100%;
    }
    .n-video:hover {
        box-shadow: none;
    }
    .n-video:hover .n-video-mask {
        display: flex;
    }
    .n-video-mask {
        display: flex;
    }
    .n-video-mask img {
        max-width: 3.375rem;
    }
    .n-video-desc {
        font-size: .8125rem;
        height: 4.5313rem;
        line-height: 4.5313rem;
    }
    #spot_swiper .swiper-slide,
    #spot_swiper .swiper-slide img {
        width: 10.375rem!important;
    }
    #spot_swiper .swiper-button-next,
    #spot_swiper .swiper-button-prev {
        display: none;
    }
    .n-banner-content a {
        color: #FFFFFF;
    }
    #n-part4 {
        margin-bottom: 2.8125rem;
    }
    .video_swiper_arrow {
        display: none;
    }
    #n-part4 .n-page-content {
        width: 21.9375rem;
    }
    .n-video-mask img {
        width: 2.125rem;
    }
}