/*整体的字体、间距、列表*/
html {
  overflow-y: scroll;
}
body {
  font: 14px/1 'Microsoft YaHei', '微软雅黑', '宋体', Tahoma, Helvetica, Arial, '\5b8b\4f53', sans-serif;
  margin: 0px auto;
  color: #333;
  background: #fff;
  text-align: left;
  overflow-y: scroll;
}
form,
img,
p {
  margin: 0px auto;
  border: 0px;
}
ul,
li,
ol,
dl,
dt,
dd {
  margin: 0px auto;
  padding: 0px;
  list-style: none;
  list-style-position: outside;
}
div,
h1,
h2,
h3,
h4,
h5,
h6,
fieldset,
input,
textarea,
blockquote {
  padding: 0;
  margin: 0 auto;
}
h2,
h3 {
  font-weight: normal;
}
address,
cite,
code,
em,
th,
i {
  font-style: normal;
}
a:link,
a:visited {
  color: #333;
  text-decoration: none;
}
a:hover {
  color: #19458e;
  text-decoration: none;
}
a,
input {
  outline: none;
}

.left {
  float: left;
}
.right {
  float: right;
}
.clear {
  clear: both;
}
.line-28 {
  line-height: 28px;
}
.line-32 {
  line-height: 32px;
}
.no_way {
  clear: both;
  display: block;
  overflow: hidden;
  height: 0px;
  margin: 0px;
  padding: 0px;
  line-height: 0;
  font-size: 0;
}
.hide {
  display: none;
}
.overhidden {
  overflow: hidden;
}

.heading {
  margin: 20px auto 0;
}
.nav {
  background: #2470aa;
  height: 37px;
  padding-top: 5px;
  margin: 15px auto 0;
  width: 100%;
}
.logo {
  background: url(./images/logo2.png) no-repeat left top;
  height: 76px;
  width: 270px;
}
.logo a {
  display: block;
}
.txt {
  color: #2370aa;
  padding-top: 10px;
}
.txt a {
  margin-left: 10px;
  margin-right: 10px;
  color: #2370aa;
}

.pos_r {
  position: relative;
}
.pos_a {
  position: absolute;
}

.nav_n {
  font-size: 16px;
  position: relative;
  z-index: 1000;
  padding: 7px 0 0 0;
  width: 730px;
  height: auto;
}
.nav_n ul {
  list-style: none;
  z-index: 9999;
  font-family: 'Microsoft YaHei', '微软雅黑', 'SimHei', '黑体', '宋体';
}
.nav_n li {
  float: left;
  position: relative;
  height: 30px;
  width: 90px;
  text-align: center;
  margin-right: 60px;
  color: #fff;
}
.nav_n ul ul {
  visibility: hidden;
  position: absolute;
  left: 0;
  top: 28px;
  z-index: 9999;
  clear: both;
  width: 450px;
  background: url(./images/nav-bg.png) no-repeat left top;
  font-family: 'Microsoft YaHei', '微软雅黑', 'SimHei', '黑体', '宋体';
  padding-top: 15px;
}
.nav_n table {
  position: absolute;
  top: 0;
  left: 0;
}
.nav_n ul li:hover ul,
.nav_n ul a:hover ul {
  visibility: visible;
}
.nav_n a {
  display: block;
  margin: 0px;
  text-decoration: none;
  color: #fff;
  font-family: 'Microsoft YaHei', '微软雅黑', 'SimHei', '黑体', '宋体';
}
.nav_n a:hover {
  background: url(./images/nav-bg.png) no-repeat left 28px;
  height: 40px;
  text-decoration: none;
  color: #fff;
  font-family: 'Microsoft YaHei', '微软雅黑', 'SimHei', '黑体', '宋体';
}
.nav_n a.cur {
  background: url(./images/nav-bg.png) no-repeat left 28px;
  height: 40px;
}
.nav_n ul ul li {
  font-size: 14px;
  color: #000;
  float: left;
  width: inherit;
  margin-right: 0;
}
.nav_n ul ul li a {
  padding: 0 5px;
  font-size: 14px;
  font-weight: normal;
  color: #000;
  font-family: 'Microsoft YaHei', '微软雅黑', 'SimHei', '黑体', '宋体';
}
.nav_n ul ul li a:hover {
  color: #b60000;
  padding: 0 5px;
  background: none;
  font-size: 14px;
  text-decoration: none;
  font-family: 'Microsoft YaHei', '微软雅黑', 'SimHei', '黑体', '宋体';
}

.w-170 {
  width: 165px;
  border: 1px solid #ccc;
  color: #666;
  background: #fff;
  padding-left: 10px;
  height: 26px;
  line-height: 24px;
  vertical-align: middle;
}
.w-170 .more-content {
  z-index: 1000;
  width: 175px;
  height: auto;
  overflow: auto;
  background: #fff;
  border: 1px solid #ccc;
  border-top: none;
  top: 25px;
  left: -1px;
}
.w-170 .more-content li a:link,
.w-170 .more-content li a:visited {
  padding: 5px 0 0 10px;
  color: #999;
  text-decoration: none;
  display: block;
  background: #fff;
}
.w-170 .more-content li a:hover,
.w-170.more-content li a:active {
  padding: 5px 0 0 10px;
  color: #fff;
  display: block;
  background: #2470aa;
}
.more {
}
.w-170 em {
  display: block;
  width: 150px;
  color: #999;
  font-weight: normal;
  background: url(./images/arrow-down.jpg) no-repeat right 10px;
  cursor: pointer;
}
.more-over {
}
.more-over em {
  background: url(./images/arrow-up.jpg) no-repeat right 10px;
}

.bg-cont {
  background: url(./images/top.jpg) no-repeat center top;
  margin: 0 auto;
  padding-top: 90px;
}

.logo-xx {
  width: 400px;
  margin-left: 90px;
  background: url(./images/xx.png) no-repeat left top;
  height: 150px;
}

.t-pad {
  border-radius: 5px;
  -moz-border-radius: 5px;
  padding: 55px 40px 30px;
  border: 1px solid #999999;
  background: #fff;
  font-size: 16px;
  line-height: 30px;
}
.t-pad h2 {
  background: url(./images/dh.png) no-repeat center top;
  width: 190px;
  height: 55px;
  top: -10px;
  text-align: center;
  font-size: 24px;
  line-height: 50px;
  vertical-align: middle;
  color: #fff;
}
.t-pad h3 {
  font-size: 18px;
  color: #0b4a79;
  margin-bottom: 10px;
  margin-top: 30px;
}
.mar-t-20 {
  margin-top: 20px;
}
.lc {
  margin: 40px 40px 0;
  border-left: 2px solid #47779b;
}
.lc .y {
  background: url(./images/y.jpg) no-repeat left 8px;
  margin-left: -7px;
  padding-left: 30px;
  padding-bottom: 20px;
  line-height: 24px;
}
.lc .y-t {
  background: url(./images/y.jpg) no-repeat left 0px;
  margin-left: -7px;
  padding-left: 30px;
  padding-bottom: 20px;
  line-height: 24px;
}
.w-400 {
  width: 500px;
}
.foot {
  text-align: center;
  font-size: 14px;
}

@media screen and (min-width: 1000px) {
  .heading {
    width: 1000px;
    background: #fff;
  }
  .cont {
    width: 1000px;
    margin: 0 auto;
  }
}

@media screen and (min-width: 600px) and (max-width: 1000px) {
  .heading {
    width: 600px;
  }

  .nav_n {
    font-size: 16px;
    position: relative;
    z-index: 1000;
    padding: 7px 0 0 0;
    width: 600px;
    height: auto;
  }
  .nav_n ul {
    list-style: none;
    z-index: 9999;
    font-family: 'Microsoft YaHei', '微软雅黑', 'SimHei', '黑体', '宋体';
  }
  .nav_n li {
    float: left;
    position: relative;
    height: 30px;
    width: 90px;
    text-align: center;
    margin-right: 35px;
    color: #fff;
  }
  .w-170 {
    display: none;
  }
  .cont {
    width: 600px;
    margin: 0 auto;
  }
  .lc {
    margin: 40px 10px 0;
  }
}

@media screen and (max-width: 600px) {
  .heading {
    width: 400px;
  }
  .txt {
    display: none;
  }
  .nav_n {
    font-size: 14px;
    position: relative;
    z-index: 1000;
    padding: 7px 0 0 0;
    width: 400px;
    height: auto;
  }
  .nav_n ul {
    list-style: none;
    z-index: 9999;
    font-family: 'Microsoft YaHei', '微软雅黑', 'SimHei', '黑体', '宋体';
  }
  .nav_n li {
    float: left;
    position: relative;
    height: 30px;
    width: 70px;
    text-align: center;
    margin-right: 0;
    color: #fff;
    font-size: 14px;
  }

  .w-170 {
    display: none;
  }
  .cont {
    width: 400px;
    margin: 0 auto;
  }
  .logo-xx {
    margin-left: 0;
  }
  .lc {
    margin: 40px 10px 0;
  }
}