html,
body,
div,
h1,
a,
img,
ul,
li,
span {
    padding: 0;
    margin: 0;
}

a {
    text-decoration: none;
    color: #000;
}

ul,
li {
    list-style-type: none;
}


/* #ea_h {
    position: fixed;
    width: 100%;
    z-index: 999;
    left: 0;
} */

.top {
    width: 100%;
    position: relative;
    height: 86px;
    background-color: #009ad6;
}

.t_t {
    position: relative;
    width: 700px;
    margin: 0 auto;
    height: 86px;
}

.t_logo {
    position: absolute;
    top: 21px;
    left: 0px;
}

#ea_l {
    position: relative;
    top: -21px;
    left: -110px;
    width: 244px;
    height: 84px;
}

img {
    border: 0 none;
    vertical-align: top;
}

.t_logo img {
    width: 244px;
    height: 84px;
    border: 0px;
}

.nav {
    height: 52px;
    width: 800px;
    text-align: center;
    padding-left: 400px;
    margin: 0 auto;
    margin-top: -55px;
}

.nav_main {
    margin: 0 auto;
    width: 800px;
    height: 52px;
    z-index: 400;
    position: relative;
}

.nav_menu1 {
    width: 20%;
    float: left;
}

#ea_ba {
    min-width: 100%;
    position: relative;
    /* top: 86px; */
}

.case_banner {
    width: 100%;
    height: 283px;
    overflow: hidden;
    position: relative;
    margin: 0 auto;
}

.case_banner_m {
    Z-INDEX: 0;
    width: 1860px;
    height: 283px;
    position: absolute;
    left: 50%;
    margin-left: -930px;
}

.case_banner img {
    height: 283px;
    width: 100%;
}

#ea_c {
    position: relative;
    /* top: 86px; */
}

.n_main {
    width: 100%;
    margin: 0;
    padding: 0;
    height: auto;
    overflow: hidden;
    z-index: 5;
    position: relative;
}

.n_content {
    width: 900px;
    margin: 0 auto;
}

.n_content_right_m {
    text-align: left;
    width: 100%;
    margin: 0 auto;
    line-height: 24px;
    color: #333;
    font-size: 14px;
    padding: 30px 0 20px 0;
    position: relative;
    overflow: hidden;
}