@media screen and (max-width:1200px) {
    .wrap {
        width: 80% !important;
    }
    .b_le {
        float: none;
    }
    .b_ri {
        float: left !important;
    }
    .main_list .list_p {
        font-size: 1.5rem;
    }
}

@media screen and (max-width:850px) {
    .nav ul li {
        display: block !important;
    }
    .map {
        height: 30em !important;
    }
}


/* css reset */

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
p,
blockquote,
th,
td {
    padding: 0;
    margin: 0;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

fieldset,
img {
    border: 0;
}

a {
    /* color: #5c5c5c; */
    text-decoration: none;
}

a:hover {
    color: #d20c58;
}

img {
    max-width: 100%;
}

address,
caption,
cite,
code,
dfn,
em,
th,
var {
    font-weight: normal;
    font-style: normal;
}

ol,
ul {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
    font-size: 100%;
}

q:before,
q:after {
    content: "";
}


/* css base */

body {
    background: #060d27;
}

.left {
    float: left;
}

.right {
    float: right;
}

.clear:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

* {
    margin: 0;
    padding: 0;
}

.wrap {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.nav {
    padding: 5px 0;
    margin: 30px 0;
    user-select: none;
}

.wrap ul {
    display: flex;
}

.nav ul li {
    display: inline-block;
    color: #fff;
}

.nav ul li+li {
    margin-left: 5rem;
}

.nav ul li a {
    color: #e3c200;
}

.list {
    margin: 35px 0;
}

.list dl {
    width: 25%;
    text-align: center;
    float: left;
    font-size: 16px;
}

.list dl dd {
    padding: 5px 0;
}

.main {
    margin-bottom: 50px;
}

.main h4 {
    background: #615564;
    padding: 5px 20px;
    color: #dfbe00;
}

.main h4 a {
    float: right;
}

.main_list {
    background: #fff;
    width: 100%;
    height: 300px;
    /* padding-bottom: 100px; */
    /* background-position-x: 10px; */
    transition: all 1s linear;
}

.mian_back {
    position: relative;
    height: 100%;
    /* background-image: url(../img/T.png); */
    background-image: url("../img/t_bg.png");
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position-x: 50%;
}

.arrow {
    position: absolute;
    left: 50%;
    top: 50%;
    font-size: 24px;
    color: #fff;
    width: fit-content;
    transform: translate(-50%, -50%);
}

.mian_back2 {
    opacity: 0;
    height: 200px;
    background-image: url(../img/T2.png);
    background-size: 80%;
    background-repeat: no-repeat;
    background-position-x: 50%;
}

.list_p {
    padding-top: 50px;
    font-size: 25px;
    text-align: center;
    color: #060d27;
}


/* .main_list ul li {
    display: inline-block;
    margin-right: 30px;
}

.main_list ul li a {
    color: #fff;
} */

.b_le {
    float: left;
}

.b_le img {
    width: 90%;
}

.b_ri {
    float: right;
    color: #FFFFFF;
}

.b_ri dl dt {
    font-size: 26px;
}

.b_ri dl dd {
    font-size: 16px;
}

.yright {
    position: fixed;
    top: 50%;
    right: 20px;
    z-index: 20;
}

.yright img {
    display: block;
    margin: 15px auto;
}

.map {
    top: -3px;
    height: 550px;
    width: 100%;
}