* {
    margin: 0;
    padding: 0;
}

li {
    /* 取消小黑点 */
    list-style-type: none;
}

a {
    /* 取消下划线 */
    text-decoration: none;
    color: inherit;
}

.header {
    width: 100%;
    height: 200px;
    /* border-bottom-style: dotted; */
    /* background-color: blue; */
    display: flex;
    justify-content: space-between;
}

.header-left {
    margin-left: 100px;
    display: flex;
    align-items: center;
}

.header .header-left>a>img {
    width: 300px;
}

.header .rexian {
    font-size: 20px;
    /* height: 200px; */
    line-height: 200px;
    margin-right: 50px;
}

/* .header-right {
    margin-right: 100px;
} */

.header-right>ul {
    display: flex;
    line-height: 200px;
    font-size: 26px;
}

.header-right>ul>li:nth-child(3) {
    color: #18786a;
    font-weight: bold;
}

.header-right>ul>li:nth-child(3) .navlist>ul{
    color: #000;
    font-weight: normal;
}

.header-right>ul>li {
    margin-left: 50px;
}

.header-right>ul>li .navlist {
    /* height: 10px; */
    position: relative;
}

.header-right>ul>li .navlist .drop {
    width: 150px;
    height: 260px;
    /* display: block; */
    opacity: 0;
    position: absolute;
    top: 70%;
    left: -20%;
    background-color: #ffffff;
    box-shadow: 1px 2px 2px 0px #7a7a7a;
    /* border: 1px solid #000; */
}

.header-right>ul>li .navlist .drop .droplist {
    height: 50px;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    /* border: 1px solid #cccccc; */
}

/* .header-right>ul>li .navlist .drop .droplist>a{
    line-height: 50px;
} */

.header-right>ul>li .navlist .drop .droplist:hover {
    background-color: #18786a;
    color: #fff;
}

.header-right>ul>li .navlist:hover .drop {
    opacity: 1;
}

.container {
    display: flex;
    flex-direction: column;
    /* justify-content: center; */
    align-items: center;
    width: 100%;
    height: 2600px;
    color: #fff;
    background:#000 url(../images/about/about_bg.jpg) no-repeat center center;
    background-attachment: fixed;
}

.container .box {
    width: 1400px;
    height: 100px;
    /* background-color: #555555; */
    /* opacity: 0.8; */
    margin-bottom: 200px;
}

.container .box .title {
    font-size: 40px;
    font-weight: bold;
    padding: 100px 50px;
}

.container .box .msg {
    padding: 0 50px;
    font-size: 24px;
}

.container .box .msg>ul{
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.container .box .msg>ul>a>li{
    width: 400px;
    height: 500px;
    background-color: #fff;
    margin-bottom: 50px;
    border-radius: 20px;
    transition:  .4s;
}

.container .box .msg>ul>a>li:hover .msg_img>img{
    transform: scale(1.1);
}

.container .box .msg>ul>a>li:hover .msg_name{
    background-color: #18786a;
}

.container .box .msg>ul>a>li .msg_img{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 400px;
    height: 400px;
    /* background-color: red; */
}

.container .box .msg>ul>a>li .msg_img>img{
    width: 350px;
    height: 350px;
}

.container .box .msg>ul>a>li .msg_name{
    width: 100%;
    height: 100px;
    border-bottom-left-radius: 18px;
    border-bottom-right-radius: 18px;
    background-color: #2b2b2b;
    text-align: center;
    font-size: 28px;
    line-height: 100px;
    color: #fff;
}

.footer {
    width: 100%;
    height: 500px;
    background-color: #000;
    color: #fff;
}

.footer .sf {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 400px;
}

.footer .msg>img {
    width: 500px;
    margin-bottom: 10px;
}

.footer .sf .msg>p {
    margin-bottom: 10px;
}

.footer .sf .run>ul {
    margin-top: 20px;
    width: 100px;
    /* border: 1px solid #fff; */
    text-align: center;
    line-height: 30px;
}

.footer .copyRight {
    width: 100%;
    color: #6e6e6e;
    text-align: center;
    font-size: 14px;
}

.footer .sf .run>ul>a>li:hover {
    color: #18786a;
}

.footer .copyRight .beian::before {
    content: "| ";
}

.footer .copyRight .police>img {
    width: 16px;
    vertical-align: middle;
}

.footer .copyRight .police::before {
    content: "| ";
}

.footer .infringement {
    width: 100%;
    /* text-align: end; */
    color: #7a7a7a;
    display: flex;
    justify-content: center;
    font-size: 12px;
}