html {
    scroll-behavior: smooth
}

.banner {
    position: relative;
    height: 800px
}

.banner video {
    object-fit: fill
}

.banner .covers {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1)
}

.banner .text {
    position: absolute;
    z-index: 2;
    transform: translate(-50%, -50%);
    left: 50%;
    top: 50%;
    text-align: center;
    overflow: hidden
}

.banner .text h3 {
    font-size: 24px;
    font-family: "Roboto";
    font-weight: 400;
    color: #FFFFFF;
    line-height: 60px
}

.banner .text h2 {
    font-size: 50px;
    font-family: "RobotoB";
    font-weight: bold;
    color: #ECF0F4;
    line-height: 60px;
    text-shadow: 0px 2px 2px rgba(0, 0, 0, 0.35)
}

.banner .text a {
    display: inline-block;
    width: 300px;
    height: 60px;
    border: 1px solid #FFFFFF;
    font-size: 16px;
    text-align: center;
    line-height: 60px;
    color: #fff;
    margin: 0 auto;
    margin-top: 50px;
    transition: all .2s
}

.banner .text a:hover {
    background: #FFB300;
    border: 1px solid #FFB300
}

.videoBox {
    display: none;
    position: fixed;
    z-index: 99;
    background: rgba(0, 0, 0, 0.7);
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: none
}

.videoBox section {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 600px
}

.videoBox p {
    position: absolute;
    right: -10px;
    top: -10px;
    cursor: pointer
}

.videoBox p i {
    font-size: 25px;
    color: #fff
}

.se2 {
    background: #edf1f5;
    padding-top: 80px;
    height: 800px
}

.se2 .box {
    position: relative
}

.se2 img {
    float: right;
    position: absolute;
    right: -130px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1
}

.se2 h2 {
    font-size: 40px;
    font-family: "RobotoB";
    font-weight: bold;
    color: #333333;
    line-height: 54px;
    margin-bottom: 50px
}

.se2 section {
    z-index: 2;
    width: 790px;
    position: relative
}
.se2 .two{
    width: 500px;
    padding-top: 10px;
    float:right;
    right: -83px;
}

.se2 .two div{
    /*text-align: center;*/
    width:25%;
}

.se2 .two b {
    font-size: 46px;
    font-weight: 400;
    color: #333333;
    display: block
}
.se2 .two span{
    line-height: 26px;
}
.se2 section div {
    width: 30%;
    display: inline-block;
    margin-right: 1%;
    vertical-align: top
}

.se2 section div:last-child {
    margin-right: 0%
}

.se2 b {
    font-size: 60px;
    font-weight: 400;
    color: #333333;
    /*display: block*/
}

.se2 span {
    font-size: 14px;
    color: #333333;
    display: block;
}

.se2 p {
    font-size: 18px;
    font-family: "Roboto";
    font-weight: 400;
    color: #333333;
    line-height: 30px;
    margin-top: 30px
}

.se2 a {
    display: inline-block;
    width: 350px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    color: #fff;
    background: #FFB300;
    margin-top: 50px
}

.se3 {
    background: #004995;
    box-shadow: 0px 3px 35px 0px rgba(0, 0, 0, 0.35);
    border-radius: 4px;
    padding-top: 70px;
    padding-bottom: 70px;
    position: relative;
    top: -70px
}

.se3 div {
    width: 32.7%;
    display: inline-block;
    vertical-align: top;
    color: #fff;
    text-align: center;
    vertical-align: middle
}

.se3 p {
    font-size: 16px;
    font-family: "Roboto";
    font-weight: 400;
    color: #FFFFFF;
    line-height: 24px;
    margin-top: 20px
}

.se3 b {
    width: 1px;
    height: 80px;
    background: #FFFFFF;
    opacity: 0.2;
    display: inline-block;
    vertical-align: middle
}

.se4 {
    text-align: center;
    margin-bottom: 80px
}

.se4 h2 {
    text-align: center;
    font-size: 48px;
    font-family: "RobotoB";
    font-weight: bold;
    color: #333333;
    line-height: 48px;
    margin-bottom: 10px
}

.se4 p {
    font-size: 18px;
    font-family: "Roboto";
    font-weight: 400;
    color: #333333;
    line-height: 30px
}

.se4 .swiper-slide {
    background: #F0F0F0;
    padding-top: 70px
}

.se4 .swiper-slide h3 {
    font-size: 20px;
    font-family: "RobotoM";
    font-weight: 500;
    color: #000000;
    line-height: 27px
}

.se4 .swiper-slide b {
    width: 100px;
    display: block;
    text-align: center;
    margin: 0 auto;
    height: 2px;
    background: #FFB300;
    margin-top: 10px;
    margin-bottom: 15px
}

.se4 .swiper-slide p,
.se4 .swiper-slide span {
    font-size: 16px;
    color: #666
}

.se4 .swiper-slide div {
    padding: 46px 30px 60px 30px
}

.se4 .swiper-slide:hover {
    box-shadow: 0px 3px 25px 0px rgba(0, 0, 0, 0.25)
}

.se4 .box {
    position: relative;
    margin-top: 40px;
    display: flex
}

.se4 .proType {
    margin-bottom: 0px;
    padding: 25px
}

.se4 .swiper-pagination {
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%)
}

.se4 .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    border: 1px solid #FFB300;
    background: unset;
    opacity: 1;
    margin: 0 10px
}

.se4 .swiper-pagination-bullet-active {
    background: #FFB300
}

.se5 {
    background: #EDF1F5;
    padding-top: 80px;
    padding-bottom: 100px
}

.se5 h2 {
    font-size: 48px;
    font-family: "RobotoB";
    font-weight: 900;
    color: #222222;
    text-align: center;
    margin-bottom: 20px
}

.se5 p {
    font-size: 18px;
    font-family: Roboto;
    font-weight: 400;
    color: #333333;
    text-align: center;
    line-height: 24px
}

.se5 .box {
    margin-top: 40px;
    margin-bottom: 60px
}

.se5 span {
    font-size: 16px;
    color: #333;
    line-height: 28px
}

.se5 h3 {
    font-size: 20px;
    color: #333333;
    line-height: 28px;
    margin-bottom: 5px
}

.se5 .list {
    width: 420px;
    margin-right: 15px;
    display: inline-block;
    vertical-align: top;
    transition: all .3s
}

.se5 .list div {
    margin-top: 20px
}

.se5 .list p {
    font-size: 16px;
    color: #999999;
    line-height: 24px;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical
}

.se5 .list:hover span,
.se5 .list:hover h3,
.se5 .list:hover p {
    color: #0140A7
}

.se5 .list:hover h3 {
    text-decoration: underline
}

.se5 .list:last-child {
    margin-right: 0
}

.se5 .view {
    display: block;
    width: 350px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    color: #fff;
    background: #FFB300;
    margin: 0 auto;
    margin-top: 50px
}


.se6 {
    background: url(/assets/yx/img/background.jpg) center;
    padding-top: 80px;
    padding-bottom: 100px
}

.se6 h2 {
    font-size: 48px;
    font-family: "RobotoB";
    font-weight: 900;
    color: #fff;
    text-align: center;
    margin-bottom: 20px
}

.se6 p {
    font-size: 18px;
    font-family: Roboto;
    font-weight: 400;
    color: #fff;
    text-align: center;
    line-height: 24px
}

.se6 .box {
    margin-top: 40px;
    margin-bottom: 60px
}

.se6 span {
    font-size: 16px;
    color: #333;
    line-height: 28px
}

.se6 h3 {
    font-size: 20px;
    color: #333333;
    line-height: 28px;
    margin-bottom: 5px
}

.se6 .list {
    width: 420px;
    margin-right: 15px;
    display: inline-block;
    vertical-align: top;
    transition: all .3s
}

.se6 .list div {
    margin-top: 20px
}

.se6 .list p {
    font-size: 16px;
    color: #999999;
    line-height: 24px;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical
}

.se6 .list:hover span,
.se6 .list:hover h3,
.se6 .list:hover p {
    color: #0140A7
}

.se6 .list:hover h3 {
    text-decoration: underline
}

.se6 .list:last-child {
    margin-right: 0
}

.se6 .view {
    display: block;
    width: 350px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    color: #fff;
    background: #FFB300;
    margin: 0 auto;
    margin-top: 50px
}

@media screen and (max-width: 1550px) {
    .se5 .list {
        width: 32.3%;
        margin-right: 1%
    }

    .banner {
        height: 80%
    }
}

@media screen and (max-width: 1500px) {
    .banner .text h2 {
        font-size: 40px;
        line-height: 1.5
    }

    .se2 h2,
    .se3 h2,
    .se4 h2,
    .se5 h2 {
        font-size: 40px;
        line-height: 1.5
    }
}

@media screen and (max-width: 1367px) {

    .banner .text h2,
    .se2 h2,
    .se3 h2,
    .se4 h2,
    .se5 h2 {
        font-size: 36px
    }

    .banner .text h3 {
        font-size: 16px;
        line-height: 1.5
    }

    .banner .text a {
        font-size: 14px;
        line-height: 45px;
        height: 45px;
        margin-top: 30px
    }

    .se2 b {
        font-size: 40px
    }

    .se2 p {
        font-size: 16px;
        line-height: 1.5
    }

    .se3 {
        padding-top: 40px;
        padding-bottom: 40px
    }

    .se3 p {
        line-height: 1.5
    }

    .se4 .swiper-slide {
        padding-top: 40px
    }

    .se4 .swiper-slide h3 {
        font-size: 18px
    }

    .se4 .swiper-slide div {
        padding: 20px 20px 40px 20px
    }

    .se4 p {
        font-size: 16px;
        line-height: 1.5
    }

    .se5 p {
        font-size: 16px;
        line-height: 1.5
    }
}

@media screen and (max-width: 1199px) {

    .banner .text h2,
    .se2 h2,
    .se3 h2,
    .se4 h2,
    .se5 h2 {
        font-size: 32px
    }

    .se2 img {
        right: 0
    }
}

@media screen and (max-width: 1024px) {
    .banner .text {
        top: 55%
    }
}

@media screen and (max-width: 999px) {
    .se3 div {
        width: 32.5%
    }

    .se3 p {
        font-size: 14px
    }

    .se4 .swiper-slide h3 {
        font-size: 16px;
        line-height: 1.5
    }

    .se4 .swiper-slide p,
    .se4 .swiper-slide span {
        font-size: 14px
    }
}

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

    .banner .text h2,
    .se2 h2,
    .se3 h2,
    .se4 h2,
    .se5 h2 {
        font-size: 26px
    }

    .se2 section {
        width: 100%
    }

    .se2 section {
        width: 62%
    }

    .se2 img {
        width: 50%
    }

    .se2 b {
        font-size: 28px
    }

    .se2 span {
        font-size: 12px
    }

    .se2 p {
        font-size: 14px
    }

    .se2 a {
        width: 50%;
        height: 45px;
        line-height: 45px;
        font-size: 14px;
        margin-top: 30px
    }
}

@media screen and (max-width: 767px) {
    .banner .text {
        top: 50%
    }

    .banner .text a {
        line-height: 42px
    }

    .banner {
        height: 260px
    }

    .banner video {
        object-fit: fill
    }

    .banner img {
        object-fit: cover;
        height: 260px
    }

    .banner .text h2,
    .se2 h2,
    .se3 h2,
    .se4 h2,
    .se5 h2 {
        font-size: 20px
    }

    .se2 {
        padding-top: 60px;
        padding-bottom: 60px;
        height: auto
    }

    .se2 section {
        width: 100%;
        margin-top: 30px
    }

    .se2 img {
        width: 100%;
        position: unset;
        transform: unset;
        float: unset
    }

    .se2 h2 {
        margin-bottom: 20px
    }

    .se2 b {
        font-size: 26px
    }

    .se2 p {
        margin-top: 20px
    }

    .se2 a {
        width: 100%
    }

    .videoBox section {
        width: 90%;
        height: 28%
    }

    .se3 {
        padding-top: 30px;
        padding-bottom: 0px;
        position: unset
    }

    .se3 div {
        width: 100%;
        margin-bottom: 30px
    }

    .se3 div img {
        width: 13%
    }

    .se3 b {
        display: none
    }

    .se4 {
        margin-top: 60px;
        margin-bottom: 60px
    }

    .se4 p {
        font-size: 14px
    }

    .se4 .box {
        margin-top: 0
    }

    .se4 .proType {
        margin-bottom: 0
    }

    .se4 .swiper-pagination {
        bottom: -20px
    }

    .se5 {
        padding-top: 60px;
        padding-bottom: 60px
    }

    .se5 h2 {
        margin-bottom: 10px
    }

    .se5 p {
        font-size: 14px
    }

    .se5 .box {
        margin-bottom: 0
    }

    .se5 .list {
        width: 100%;
        margin-bottom: 40px;
        margin-right: 0
    }

    .se5 .list div {
        margin-top: 10px
    }

    .se5 .list h3 {
        font-size: 16px
    }

    .se5 .list span {
        font-size: 14px
    }

    .se5 .list p {
        font-size: 14px;
        line-height: 1.5
    }

    .se5 .view {
        width: 100%;
        height: 45px;
        line-height: 45px;
        font-size: 14px;
        margin-top: 0
    }
}