@charset "utf-8";

@font-face {
  font-family: 'helr47w';
  src: url('fonts/helr47w.eot');
  src: local('☺'),
    url('fonts/helr47w.eot?#iefix') format('embedded-opentype'),
    url('fonts/helr47w.woff') format('woff'),
    url('fonts/helr47w.ttf') format('truetype'),
    url('fonts/helr47w.svg') format('svg');
  font-weight: normal;
  font-style: normal;
}

body {
  overflow-y: scroll;
  *overflow-y: auto;
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td,
hr,
button,
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  margin: 0;
  padding: 0;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

body,
button,
input,
select,
textarea,
pre {
  font: 12px/1.5 Georgia, Arial, "Times New Roman", Times, serif;
}

input,
select,
textarea {
  font-size: 100%;
}

th {
  text-align: inherit;
}

fieldset,
img {
  border: 0;
}

img {
  vertical-align: top;
  width: 100%;
}

iframe {
  display: block;
}

abbr,
acronym {
  border: 0;
  font-variant: normal;
}

del {
  text-decoration: line-through;
}

address,
caption,
cite,
code,
dfn,
em,
th,
var {
  font-style: normal;
  font-weight: 500;
}

ol,
ul {
  list-style: none;
}

caption,
th {
  text-align: left;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: 500;
}

a {
  color: #333;
  text-decoration: none;
  outline: none;
  blr: expression(this.onFocus=this.blur());
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

a:focus {
  outline: none;
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

i {
  font-style: normal;
}

input:focus,
textarea:focus,
keygen:focus,
select:focus {
  outline: none;
  outline-offset: 0px;
}

::-webkit-input-placeholder {
  color: #8aa4b6;
}

::-moz-placeholder {
  color: #8aa4b6;
}

/* firefox 19+ */
:-ms-input-placeholder {
  color: #8aa4b6;
}

/* ie */
input:-moz-placeholder {
  color: #8aa4b6;
}

.cf:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}

.cf {
  zoom: 1;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.clear {
  clear: both;
}

.pt40 {
  padding-top: 40px;
}

.mr20 {
  margin-right: 20px;
}

.mt10 {
  margin-top: 10px;
}

.mt15 {
  margin-top: 15px;
}

.mt25 {
  margin-top: 25px;
}

.mt30 {
  margin-top: 30px;
}

.mt40 {
  margin-top: 40px;
}

.mt60 {
  margin-top: 60px;
}

.mb15 {
  margin-bottom: 15px;
}

.mb35 {
  margin-bottom: 35px;
}

/* pc 设备 */
html.isPc {}

html.isPc .wap_box {
  display: none;
}

/* wap 设备 */
/* 媒体查询 */
html.isWap {
  font-size: 50px;
}

html.isWap a:hover {
  text-decoration: none;
}

@media screen and (min-width:320px) {
  html.isWap {
    font-size: 50px;
  }
}

@media screen and (min-width:360px) {
  html.isWap {
    font-size: 56px;
  }
}

@media screen and (min-width:400px) {
  html.isWap {
    font-size: 62px;
  }
}

@media screen and (min-width:480px) {
  html.isWap {
    font-size: 75px;
  }
}

@media screen and (min-width:560px) {
  html.isWap {
    font-size: 87px;
  }
}

@media screen and (min-width:640px) {
  html.isWap {
    font-size: 100px;
  }
}

html.isWap body {
  font-size: 0.24rem;
}

html.isWap .pc_box {
  display: none;
}

.isPc .bdy {
  overflow-x: hidden;
  background: #fbfcfe url(../i/Yellow-River-bg.jpg) no-repeat top center;
  background-size: 1920px;
  padding-top: 800px;
}

.isWap .bdy {
  background: #243551;
}

.wrapper {
  display: none;
}

.isPc .wrapper {}

.isPc .banner {
  width: 1445px;
  height: 300px;
  background: url(../i/banner2.jpg) no-repeat top center;
  margin: 0 auto;
}

.isPc .main {
  width: 1203px;
  margin: 0 auto;
  padding: 0 120px 110px;
  /* background:#2b5284 url(../i/main_bg.jpg) no-repeat top center; */
  background: url(../i/bg-2.jpg) repeat-x;
}

.isPc .main .tit {
  padding: 80px 0 70px;
  font-size: 20px;
  line-height: 30px;
  color: #fff;
  font-style: italic;
  font-family: Arial, Helvetica, sans-serif;
}

.isPc .pic,
.isPc .pic2 {
  display: block;
  padding-top: 1px;
  margin-bottom: 35px;
  height: 336px;
}

.isPc .pic img,
.isPc .pic2 img {
  width: 100%;
  height: 334px;
}

.isPc .pic dt {
  background: #fff;
  width: 376px;
  height: 334px;
  float: left;
  border: 1px solid #fff;
}

.isPc .pic dd {
  background: #fff;
  width: 776px;
  height: 334px;
  float: right;
  border: 1px solid #fff;
}

.isPc .pic2 dt {
  background: #fff;
  width: 776px;
  height: 334px;
  float: left;
  border: 1px solid #fff;
}

.isPc .pic2 dd {
  background: #fff;
  width: 376px;
  height: 334px;
  float: right;
  border: 1px solid #fff;
}


.isWap .banner {
  width: 100%;
  padding-top: 2.2rem;
  background: #5896ad url(../i/wap/banner.jpg) no-repeat top center;
  margin: 0 auto;
  background-size: 100%;
}

.isWap .banner2 {
  width: 96%;
  background: url(../i/wap/banner2.jpg) no-repeat top center;
  margin: 0 auto;
}

.isWap .main {
  width: 90%;
  padding: 0 3% 2rem;
  background: #2b5284 url(../i/main_bg.jpg) no-repeat top center;
  margin: 0 auto;
}

.isWap .main .tit {
  padding: 0.6rem 0;
  font-size: 0.2rem;
  line-height: 0.32rem;
  color: #fff;
  font-style: italic;
  font-family: Arial, Helvetica, sans-serif;
}

.isWap .pic,
.isWap .pic2 {
  display: block;
  margin-bottom: 0.2rem;
}

.isWap .pic img,
.isWap .pic2 img {
  width: 100%;
}

.isWap .pic dt {
  background: #fff;
  border: 1px solid #fff;
  margin-bottom: 0.2rem;
}

.isWap .pic dd {
  background: #fff;
  border: 1px solid #fff;
}

.isWap .pic2 dt {
  background: #fff;
  border: 1px solid #fff;
  margin-bottom: 0.2rem;
}

.isWap .pic2 dd {
  background: #fff;
  border: 1px solid #fff;
}



@media screen and (max-width:1300px) {
  .isPc .banner {
    width: 1024px;
    height: 315px;
    background: url(../i/banner2_1024.jpg) no-repeat top center;
    margin: 0 auto;
  }

  .isPc .main {
    width: 944px;
    margin: 0 auto;
    padding: 0 40px 110px;
    background: #2b5284 url(../i/main_bg_1024.jpg) no-repeat top center;
  }

  .isPc .main .tit {
    padding: 60px 0 60px;
    font-size: 18px;
    line-height: 30px;
    color: #fff;
    font-style: italic;
    font-family: Arial, Helvetica, sans-serif;
  }

  .isPc .pic,
  .isPc .pic2 {
    display: block;
    padding-top: 1px;
    margin-bottom: 20px;
    height: 270px;
  }

  .isPc .pic img,
  .isPc .pic2 img {
    width: 100%;
    height: 268px;
  }

  .isPc .pic dt {
    background: #fff;
    width: 298px;
    height: 268px;
    float: left;
    border: 1px solid #fff;
  }

  .isPc .pic dd {
    background: #fff;
    width: 623px;
    height: 268px;
    float: right;
    border: 1px solid #fff;
  }

  .isPc .pic2 dt {
    background: #fff;
    width: 623px;
    height: 268px;
    float: left;
    border: 1px solid #fff;
  }

  .isPc .pic2 dd {
    background: #fff;
    width: 298px;
    height: 268px;
    float: right;
    border: 1px solid #fff;
  }
}

.isPc .main {
  padding-bottom: 30px;
}

.isWap .main {
  padding-bottom: 0px;
}

.isPc .bottom {
  font-size: 14px;
  text-align: center;
  color: #fff;
  padding: 30px 0;
}

.isWap .bottom {
  font-size: 0.24rem;
  color: #fff;
  text-align: center;
  padding-top: .5rem;
  padding-bottom: .8rem;
}

.isPc .main {
  width: 918px;
  padding: 65px 80px;
}

.isPc .pic, .isPc .pic2 {
  height: 253px;
  margin-bottom: 40px;
}

.isPc .pic dt, .isPc .pic2 dd {
  width: 285px;
  height: 253px;
}

.isPc .pic dd, .isPc .pic2 dt {
  height: 253px;
  width: 588px;
}

.isPc .pic img, .isPc .pic2 img {
  width: 100%;
  height: 100%;
}

.isPc .bottom {
  background-color: #7a99ad;
  font-family: Verdana, Geneva, sans-serif;
}

.isWap .bdy {
  background: #6190ab;
}

.isWap .banner {
  background-image: url(../i/720.jpg);
  background-color: #6190ab;
  padding-top: 3.2rem;
}

.isWap .main {
  background: none;
}

.isWap .main .tit {
  padding: 0.3rem 0;
}

.isWap .bottom {
  background-color: #6190ab;
  font-family: Verdana, Geneva, sans-serif;
}

@media screen and (max-width:1300px) {
  .isPc .main {
    margin: 0 auto;
    padding: 50px 55px 80px;
    background: url(../i/bg-2.jpg) repeat-x;
  }
}