* {
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    padding: 0;
    min-width: 1024px;
    max-width: 100%;
    height: 100%;
    font-family: SimHei;
}

ul li {
    list-style: none;
}

a {
    text-decoration: none;
}

i {
    font-style: normal;
}

header {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    /* position: relative; */
}

video {
    width: 100%;
    /* position: fixed;
    top: 150px; */
}

/* 轮播图 */
.swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.swiper-slide img:first-child {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-slide:nth-child(2) img:last-child {
    position: absolute;
    width: 40%;
    left: 60%;
    top: 35%;
}

.swiper-slide:nth-child(3) img:last-child {
    position: absolute;
    width: 40%;
    left: 5%;
    top: 10%;
}


.header-top {
    height: 72px;
    background-color: #fff;
}

.nav {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    height: 72px;
    width: 100%;
    margin: 0 auto;
    background-color: #fff;
}

.nav>a>img {
    width: 20px;
    position: fixed;
    right: 20px;
    top: 20px;
    display: none;
}

@media screen and (max-width: 1023px) {
    .nav>ul {
        display: none;
    }

    .nav>.nav-right {
        display: none;

    }

    .nav>a>img {
        display: block;
    }

    #nav-middle:target {
        position: absolute;
        top: 0;
        display: block;
        width: 100%;
        background: #225560;
    }

    #nav-middle:target>li {
        width: 92%;
        line-height: 40px;
        margin: 0 auto;
        padding: 10px;
        float: none;
        border-bottom: 1px solid #2d7180;
        text-align: left;
        color: #fff !important;
    }

    #nav-middle:target>li:first-child {
        margin-top: 100px;
    }

    #nav-middle:target>li:last-child {

        margin-bottom: 200px;

    }


    #nav-middle:target>li>a {
        color: #fff !important;
    }

    #nav-middle:target>li>.ul {
        position: static;
        width: 100%;
        padding: 10px;

    }

    #nav-middle:target>li>.ul>li {
        margin-left: 30px;
        font-size: 18px;
    }
}

.nav-left {
    position: absolute;
    float: left;
    width: 25%;
    height: 72px;
}

.nav-left img {
    position: absolute;
    right: 50px;
    width: 130px;
}

.nav>ul {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    margin: 0 auto;
}

.nav>ul>li {
    position: relative;
    top: 10px;
    list-style: none;
    float: left;
    text-align: center;
    line-height: 50px;
    margin: 0 6px;

}

.nav>ul>li>a {
    display: block;
    /* height: 55px; */
    color: #000;
}

.nav>ul>li>a:hover {
    color: #225560;
    border-bottom: 1.5px solid #225560;
}

.nav>ul>li .ul {
    position: fixed;
    color: white;
    top: 72px;
    left: -750px;
    width: 2440px;
    background-color: #225560;
    text-align: left;
    display: none;
    transition: all 5s ease;
    padding-bottom: 80px;
    padding-top: 45px;
}

.nav>ul>li:hover .ul {
    display: block;
}

.nav>ul>li .ul li {
    height: 45px;
    margin-left: 600px;
    font-size: 22px;
}


.nav-right {
    position: relative;
    float: right;
    width: 25%;
    height: 72px;
}

.nav-right>ul {
    position: absolute;
    left: 80px;
}

.nav-right .search {
    position: absolute;
    top: 20px;
    right: 72px;
    width: 20px;
    height: 20px;
}

.nav-right .flag {
    position: absolute;
    top: -5px;
    right: 2px;
    width: 70px;

}

.nav-right .arrow {
    position: absolute;
    top: 23px;
    right: 0;
    width: 8px;
    height: 8px;
    border-right: 1px solid #000;
    border-bottom: 1px solid #000;
    transform: rotateZ(45deg);
}

.nav-right>ul>li .ul {
    position: fixed;
    color: white;
    top: 70px;
    left: -400px;
    width: 2440px;
    background-color: #225560;
    text-align: left;
    display: none;
    transition: all 3s ease-out;
    padding-bottom: 80px;
    padding-top: 45px;
}

.nav-right>ul>li:hover .ul {
    display: block;
}

.nav-right>ul>li:first-child .ul li {
    position: relative;
    height: 45px;
    width: 600px;
    line-height: 45px;
    margin-left: 800px;

    font-size: 20px;
}

.nav-right>ul>li:nth-child(2) .ul li {
    position: relative;
    height: 45px;
    line-height: 45px;
    margin-left: 600px;

    font-size: 16px;
}

.nav-right>ul>li:first-child .ul li img {
    position: absolute;
    top: 10px;
    left: 550px;
    width: 30px;
}

.nav-right>ul>li .ul li p {
    margin-top: 20px;
    font-size: 14px;
}

.nav-right>ul>li .ul li span {
    margin-right: 10px;
    font-size: 16px;
}

.nav-right>ul>li:nth-child(2) .ul li img {
    width: 26px;
    margin-left: 80px;
}

.nav-right>ul>li:nth-child(2) .ul li img:nth-child(1) {
    margin-left: 0;
}


/* header span {
    display: block;
    width: 10px;
    height: 10px;
    border: 4px solid rgb(202, 158, 158);

}

header .header span:hover video {
    display: none;
}

header .header:nth-child(1) span {
    position: absolute;
    bottom: 40px;
    left: 45%;
    transform: translateX(-50%);
}


header .header:nth-child(2) span {
    position: absolute;
    bottom: 40px;
    left: 50px;
    left: 50%;
    transform: translateX(-50%);
}

header .header:nth-child(3) span {
    position: absolute;
    bottom: 40px;
    left: 100px;
    left: 55%;
    transform: translateX(-50%);
}
 */

body>section {
    width: 1038.75px;
    margin: 0 auto;
    margin-bottom: 100px;
}

section>div>.box {
    color: white;
    font-size: 20px;
    text-align: center;
    width: 100px;
    height: 46.17px;
    line-height: 46.17px;
    background: #34354F;
}

section>.Kuailan {
    height: 268.34px;
    width: 100%;
    margin-top: 80px;
}

section>.Kuailan>ul>li {
    width: 320.6px;
    height: 106.76px;
    float: left;
    margin-right: 25.65px;
    margin-top: 65px;
}

section>.Kuailan>ul>li>span {
    font-size: 58.8611px;
}

section>.Kuailan>ul>li>i {
    font-size: 23.08344px;

}

section>.Kuailan>ul>li>p {
    font-size: 17.3725px;
}


section>.Gujia {
    height: 703.16px;
    width: 100%;
}

section>.Gujia>div:nth-child(n+2) {
    margin-top: 55px;
    margin-bottom: 33px;
}

section>.Gujia>div:nth-child(2) {
    margin-left: 10px;
}

section>.Gujia>.Gujia1>span:first-child {
    font-size: 46.66px;
    font-weight: bold;
}

section>.Gujia>.Gujia1>span:nth-child(2) {
    font-size: 33.34px;
    font-weight: bold;
}

section>.Gujia>.Gujia2>span {
    font-size: 33.34px;
    font-weight: bold;
}

section>.Gujia>.Gujia3>span {
    font-size: 33.34px;
    font-weight: bold;
}

section>.Gujia>div>p {
    font-size: 20px;
}

section>.Gujia>.Gujia1 {
    width: 499.5px;
    height: 79px;
    float: left;
}

section>.Gujia>.Gujia2 {
    width: 254.75px;
    float: left;
    height: 79px;
}

section>.Gujia>.Gujia3 {
    width: 254.75px;
    float: left;
    height: 79px;
}

section .Yewu {
    width: 100%;
}

section .Yewu>.yewu {
    position: relative;
    width: 1038.75px;
    height: 496.27px;
    margin-bottom: 4.1667vw;
}

section .Yewu>.yewu>.wenzi {
    width: 569.3px;
    height: 496.27px;
    background-color: #efefef;
    transition: all .5s linear;
    color: #34354F;
    letter-spacing: 1px;
}

section .Yewu>.yewu>.wenzi:hover {
    background-color: #225560;
    color: white;
}

section .Yewu>.yewu:nth-child(2n)>.wenzi {
    position: absolute;
    right: 0;
}

section .Yewu>.yewu>.wenzi>.BOX {
    width: 313.11px;
    margin-left: 135px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

section .Yewu>.yewu>.wenzi>.BOX>span {
    font-size: 36.0677px;
    font-weight: bold;

}

section .Yewu>.yewu>.wenzi>.BOX>p {
    font-size: 18.0338px;
    line-height: 30px;
    margin-top: 15px;

}

section .Yewu>.yewu>.wenzi>.BOX>i {
    font-size: 18.0338px;
    font-weight: bold;
    display: block;
    margin-top: 10px;
}

section .Yewu>.yewu>img {
    position: absolute;
    top: 43.44px;
    width: 517.54px;
    height: 409.39px;
}

section .Yewu>.yewu:nth-child(2n+1)>img {
    position: absolute;
    right: 0;
}

footer {
    width: 100%;
    height: 317.34px;

    background: #efefef;
    margin: 0 auto;
}

.footer-top {

    width: 1038.75px;
    height: 271.2px;
    margin: 0 auto;
}

.footer-top ul:first-child {
    width: 155.81px;
    height: 184.64pxx;
}

.footer-top ul {
    color: #34354F;
    float: left;
    width: 220.73px;
    height: 184.64px;
    margin-top: 50px;
}

.footer-top ul li {
    height: 23.09px;
    margin-bottom: 10px;
}

.footer-top ul:first-child li:hover {
    color: #225560;
}

.footer-top ul li:nth-child(n+2):hover {
    color: #225560;
}

.footer-top ul:nth-child(n+2) li:first-child {
    font-weight: bold;
}

.footer-bottom {
    width: 100%;
    height: 46.15px;
    background: #34354F;
    color: white;
    font-size: 12px;
}

.footer-bottom>ul {
    width: 1038.75px;
    margin: 0 auto;
    line-height: 46.15px;
}

.footer-bottom>ul>li {
    float: left;
    margin-right: 35px;
}

.footer-bottom>ul>li:nth-child(n+4) {
    float: right;
    margin-right: 35px;
}

.footer-bottom>ul>li:nth-child(n+4):hover {
    text-decoration: underline;
}

/* @media screen and (min-width: 768px) and (max-width: 1023px) {
    .nav>img {
        display: block;
    }

    header,
    section,
    footer {
        width: 100%;
    }   
    .Kuailan>ul>li,
    .Gujia>div:nth-child(n+2),
    .Yewu>div:nth-child(n+2) {
        float: none;
    } 
} */