* {
    margin: 0;
    padding: 0;
}

body {
    min-width: 1920px;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

.wrapper {
    width: 1920px;
    margin: 0 auto;
}

.nav {
    width: 1920px;
    height: 60px;
    margin: 0 auto;
    position: relative;
    border-top: 1px solid #d4d4d4;
    background-color: #FFFFFF;
    z-index: 10;
    padding-left: 93px;
    padding-right: 93px;
    box-sizing: border-box;
}

.nav ul {
    list-style-type: none;
}

.nav ul li {
    float: left;
    position: relative;
}

.nav ul li a {
    width: 172px;
    height: 83px;
    display: block;
    line-height: 83px;
    text-align: center;
    text-decoration: none;
    color: #707070;
    font-size: 30px;
    padding-top: 8px;
}

.nav ul li a:hover {
    /* width: 172px;
    height: 40px; */
    display: block;
    color: #002865;
}

.nav ul li ul {
    margin: 0;
    /* padding-top: 12px; */
    display: none;
}

.nav ul li ul li {
    float: none;
}

.nav ul li:hover ul {
    display: block;
    float: none;
    position: absolute;
}

.nav ul li ul li a {
    display: block;
    background-color: #FFFFFF;
    color: #707070;
    width: 172px;
    height: 40px;
    font-size: 24px;
    line-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav ul li ul li a:hover {
    display: block;

    display: block;
    color: #002865;
    background-color: #edf4f9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav span {
display:none;
}

.top {
    width: 100%;
    margin: 25px 0;
}

.top .wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.top .pc-logo {
    margin-left: 65px;
    margin-top: 29px;
    width: 622px;
    height: 83px;
}

.top .m-logo {
    display: none;
}

.top .search {
    margin-right: 95px;
    margin-top: 44px;
    width: 296px;
    height: 39px;
    background: #FFFFFF;
    border-radius: 20px 20px 20px 20px;
    border: 1px solid #BBBBBB;
}

.top .search img {
    margin-left: 255px;
    margin-top: 7px;
}

/* 导航栏完结 */
/* 蓝色底部开始 */
.bottom {
    height: 593px;
    width: 100%;
    background: #153860;
    border-radius: 0px 0px 0px 0px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    margin: 0 auto;
}

.bottom_logo {
    width: 248px;
    height: 157px;
}

.bottom_logo .boimgpc {
    width: 248px;
    height: 157px;
    margin-top: 61px;
}

.bottom_logo .boimgm {
    display: none;
}

.bottom_center {
    width: 1290px;
    height: 200px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-top: 31px;
}

.list_link {
    width: 872px;
    height: 93px;
}

.list_link ul li {
    list-style: none;
    line-height: 20px;

    font-style: normal;
    text-transform: none;
    float: left;
    padding-top: 30px;
    width: 218px;
    height: 32px;
    font-family: Source Han Sans SC, Source Han Sans SC;
    font-weight: 400;
    font-size: 22px;
    color: #FFFFFF;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

.list_link ul li a {
    display: block;

    text-decoration: none;
    color: #FFFFFF;
    text-align: left;
}

.ewm {
    width: 148px;
    height: 148px;
}

.ewm img {
    width: 100%;
    height: 100%;
}

.copyright {
    width: 800px;
    height: 50px;
    display: flex;
    flex-direction: row;
    padding-top: 124px;
}

.copyright p {
    line-height: 0px;
    text-align: center;
    font-style: normal;
    text-transform: none;
    width: 770px;
    height: 24px;
    font-family: Source Han Sans SC, Source Han Sans SC;
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

/* 蓝色底部结束 */