html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
div,
dl,
dt,
dd,
ul,
ol,
li,
p,
blockquote,
pre,
hr,
figure,
table,
caption,
th,
td,
form,
fieldset,
legend,
input,
button,
textarea,
menu {
  margin: 0;
  padding: 0;
}

header,
footer,
section,
article,
aside,
nav,
hgroup,
address,
figure,
figcaption,
menu,
details {
  display: block;
}

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

caption,
th {
  text-align: left;
  font-weight: normal;
}

html,
body,
fieldset,
img,
iframe,
abbr {
  border: 0;
  /*overflow: hidden;*/
}

i,
cite,
em,
var,
address,
dfn {
  font-style: normal;
}

[hidefocus],
summary {
  outline: 0;
}

li {
  list-style: none;
}

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

sup,
sub {
  font-size: 83%;
}

pre,
code,
kbd,
samp {
  font-family: inherit;
}

q:before,
q:after {
  content: none;
}

textarea {
  overflow: auto;
  resize: none;
}

label,
summary {
  cursor: default;
}

a,
button {
  cursor: pointer;
}

h1,
h2,
h3,
h4,
h5,
h6,
em,
strong,
b {
  font-weight: bold;
}

del,
ins,
u,
s,
a,
a:hover {
  text-decoration: none;
}

body,
textarea,
input,
button,
select,
keygen,
legend {
  font: 12px/1.14 arial, \5b8b\4f53;
  color: #333;
  outline: 0;
}

body {
  background: #fff;
}

a {
  color: #333;
}

.h_header_main{
  background-color: #fff;
}

.h_header_1200 {
  width: 1200px;
  margin: 0 auto;
}

.h_header {
  display: flex;
  justify-content: center;
  padding: 55px 0 47px 0;
}


.h_main_logo img {
  width: 344px;
  height: 84px;
}

.h_search_div {
  display: flex;
  align-items: center;
}




.search-box {
  height: 50px;
  display: flex;
}

.search-value {
  width: 330px;
  height: 50px;
  background: #FFFFFF;
  border-radius: 2px;
  border: 1px solid #015293 !important;
  font-size: 18px;
  font-weight: 400;
  color: #999999;
  line-height: 25px;
  padding-left: 18px;
  box-sizing: border-box;
}
.search-value::placeholder {
    font-size: 14px;
    color: #999;
}

.search-value:focus {
  border: 1px solid #015293 !important;
}

.go-search {
  display: inline-block;
  width: 102px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  border-radius: 0px 4px 4px 0px;
  background-color: #015293;
  font-size: 20px;
  font-weight: 500;
  color: #FFFFFF;
  display: flex;
}

.go-search:hover {
  background-color: #015293b8;
  color: #FFFFFF;
}


.h_serimg {
  width: 22px;
  height: 22px;
  background-image: url('../../index/img/index_xuebi-b.png');
  background-size: 560px 265px;
  background-position: 0 0;
  margin: 15px 6px 0 14px;
}

.language-text {
    font-size: 14px;
    color: #777777;
    line-height: 20px;
    margin-left: 33px;
    position: relative;
    cursor: pointer;
}
.triangle {
    display: inline-block;
    width:0;
    height:0;
    border-right:5px solid transparent;
    border-left:5px solid transparent;
    border-top: 5px solid #D8D8D8;
    /*margin-left: 7px;*/
}
.language-text:hover .language-select{
    display: block;
}
.language-select {
    position: absolute;
    z-index: 3;
    padding:  12px 7px;
    border-radius: 3px;
    background: #fff;
    border: 1px solid #D8D8D8;
    /*margin-top:  5px;*/
    font-size: 14px;
    display: none;
}
.language-select a {
    line-height: 30px;
}




.h_nav {
  position: relative;
  width: 100%;
  height: 56px;
  line-height: 56px;
  background-color: #015293;

}

.h_nav_1200 {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  padding: 10px 0;
}

.nav_li a {
  justify-content: center;
  border-left: 1px solid rgba(163, 200, 255, 0.28);
  width: 171px;
  height: 56px;
  margin-top: -10px;
  line-height: 36px;
  font-size: 18px;
  font-weight: 500;
  color: #FFFFFF;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  /* background-color: #ccc; */
}

.nav_li a:hover {
  background-color: #ffffff3d;
}

.nav_li:nth-child(1) .img {
  display: inline-block;
  width: 24px;
  height: 24px;
  background-image: url('../../index/img/index_xuebi-b.png');
  background-size: 560px 265px;
  background-position: 0 -20px;
  margin: -4px 8px 0 0px;
}

.nav_li:nth-child(2) .img {
  display: inline-block;
  width: 24px;
  height: 24px;
  background-image: url('../../index/img/index_xuebi-b.png');
  background-size: 560px 265px;
  background-position: -48px -20px;
  margin: -4px 8px 0 0px;
}

.nav_li:nth-child(3) .img {
  display: inline-block;
  width: 24px;
  height: 24px;
  background-image: url('../../index/img/index_xuebi-b.png');
  background-size: 560px 265px;
  background-position: -96px -20px;
  margin: -4px 8px 0 0px;
}

.nav_li:nth-child(4) .img {
  display: inline-block;
  width: 24px;
  height: 24px;
  background-image: url('../../index/img/index_xuebi-b.png');
  background-size: 560px 265px;
  background-position: -144px -20px;
  margin: -4px 8px 0 0px;
}

.nav_li:nth-child(5) .img {
  display: inline-block;
  width: 24px;
  height: 24px;
  background-image: url('../../index/img/index_xuebi-b.png');
  background-size: 560px 265px;
  background-position: -192px -20px;
  margin: -4px 8px 0 0px;
}

.nav_li:nth-child(6) .img {
  display: inline-block;
  width: 24px;
  height: 24px;
  background-image: url('../../index/img/index_xuebi-b.png');
  background-size: 560px 265px;
  background-position: -240px -20px;
  margin: -4px 8px 0 0px;
}

.nav_li:nth-child(7) .img {
  display: inline-block;
  width: 24px;
  height: 24px;
  background-image: url('../../index/img/index_xuebi-b.png');
  background-size: 560px 265px;
  background-position: -288px -20px;
  margin: -4px 8px 0 0px;
}

.nav_li:nth-child(8) .img {
  display: inline-block;
  width: 24px;
  height: 24px;
  background-image: url('../../index/img/index_xuebi-b.png');
  background-size: 560px 265px;
  background-position: -336px -20px;
  margin: -4px 8px 0 0px;
}

.h_nav_1200 .choose a {
  background-color: #fff;
  color: #015293;
  height: 50px;
  margin-top: -10px;
}

.h_nav_1200 .nav_li:nth-child(1)[class='nav_li choose'] .img {
  background-position: -24px -20px;
}

.h_nav_1200 .nav_li:nth-child(2)[class='nav_li choose'] .img {
  background-position: -72px -20px;
}

.h_nav_1200 .nav_li:nth-child(3)[class='nav_li choose'] .img {
  background-position: -120px -20px;
}

.h_nav_1200 .nav_li:nth-child(4)[class='nav_li choose'] .img {
  background-position: -168px -20px;
}

.h_nav_1200 .nav_li:nth-child(5)[class='nav_li choose'] .img {
  background-position: -216px -20px;
}

.h_nav_1200 .nav_li:nth-child(6)[class='nav_li choose'] .img {
  background-position: -264px -20px;
}

.h_nav_1200 .nav_li:nth-child(7)[class='nav_li choose'] .img {
  background-position: -312px -20px;
}

.h_nav_1200 .nav_li:nth-child(8)[class='nav_li choose'] .img {
  background-position: -360px -20px;
}