.container {
  width: 1100px;
  margin: 0 auto; }

.container-h {
  width: 1154px;
  margin: 0 auto; }

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

.top-header {
  position: fixed;
  z-index: 12;
  height: 50px;
  width: 100%; }
  .top-header .header-box {
    position: relative;
    z-index: 3; }
    .top-header .header-box img {
      display: inline-block; }
  .top-header .header-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #414141;
    opacity: 0.9;
    top: 0; }

.top-menu {
  float: right; }
  .top-menu ul li {
    display: inline-block;
    margin-left: 30px; }
    .top-menu ul li a.active {
      color: #fff;
      border-bottom: 1px solid #fff; }
    .top-menu ul li a {
      display: inline-block;
      line-height: 49px;
      font-size: 16px;
      font-weight: 400;
      color: #E2E2E2; }

.footer-b {
  background-color: #373D41;
  color: #fff;
  font-size: 0;
  padding-top: 42px; }
  .footer-b h1 {
    font-size: 16px;
    font-weight: bold;
    line-height: 38px; }
  .footer-b .line {
    margin-top: 8px;
    width: 120px;
    height: 2px;
    background-color: #979797; }
    .footer-b .line .line-b {
      width: 24px;
      height: 2px;
      background-color: #0A93FF; }
  .footer-b .about {
    float: left; }
    .footer-b .about .about-list {
      margin-top: 12px; }
      .footer-b .about .about-list a {
        display: block;
        color: #fff;
        line-height: 38px;
        font-size: 14px;
        font-weight: 500;
        opacity: 0.8; }
  .footer-b .talks {
    float: left;
    margin-left: 164px; }
    .footer-b .talks .line {
      margin-bottom: 30px; }
    .footer-b .talks p {
      width: 242px;
      line-height: 38px;
      font-size: 14px;
      font-weight: 500;
      opacity: 0.8; }
    .footer-b .talks .address {
      width: 180px;
      padding-left: 46px; }
  .footer-b .map-box {
    float: left;
    margin-left: 166px;
    overflow: hidden; }
    .footer-b .map-box iframe {
      border: 0px;
      width: 402px;
      height: 286px; }
  .footer-b .gs-f {
    font-size: 12px;
    color: #E8E8E9;
    line-height: 17px;
    text-align: center;
    padding: 16px 0;
    border-top: 1px solid #6B6F71;
    margin-top: 58px; }
    .footer-b .gs-f img {
      width: 24px;
      display: inline-block; }
    .footer-b .gs-f .num {
      padding: 0 12px 0 18px;
      color: #E8E8E9; }

.menu-nav.active {
  position: fixed;
  z-index: 3; }

.menu-nav {
  width: 190px;
  box-sizing: border-box;
  position: relative;
  top: 0;
  float: left; }
  .menu-nav .cover_layer {
    height: 50px;
    border-right: 4px solid #0456DD;
    position: absolute; }
  .menu-nav nav a {
    display: block;
    line-height: 50px;
    border-bottom: 1px solid #EFEFEF;
    text-align: right;
    padding-right: 16px;
    border-right: 4px solid #fff;
    color: #666666;
    cursor: pointer; }
    .menu-nav nav a:hover {
      color: #0456DD; }
  .menu-nav nav a.active {
    color: #0456DD;
    border-right: 4px solid #0456DD; }

.menu-content {
  float: right;
  width: 890px; }
  .menu-content h1 {
    color: #3F3F3F;
    font-size: 20px;
    font-weight: bold;
    line-height: 28px;
    letter-spacing: 1px; }
  .menu-content h2 {
    font-size: 16px;
    font-weight: 500;
    color: #3F3F3F;
    line-height: 22px; }
  .menu-content p.text {
    font-size: 14px;
    color: #5E6267;
    font-weight: 500;
    line-height: 24px;
    letter-spacing: 1px; }
  .menu-content .indent-t {
    text-indent: 2em; }

.banner-content {
  text-align: center;
  overflow: hidden;
  position: relative;
  width: 100%; }

.page-box {
  text-align: right;
  color: #999999; }
  .page-box span, .page-box a {
    color: #999999;
    text-align: center;
    line-height: 32px;
    display: inline-block;
    border: 1px solid #C9C9C9FF;
    border-radius: 4px;
    width: 32px;
    height: 32px;
    margin-left: 18px;
    cursor: pointer; }
    .page-box span:hover, .page-box a:hover {
      border-color: #3447C1;
      background-color: #3447C1;
      color: #fff; }
  .page-box span.active {
    border-color: #3447C1;
    background-color: #3447C1;
    color: #fff; }

.fixed-box {
  position: fixed;
  z-index: 10;
  right: 30px;
  bottom: 40px; }
  .fixed-box .go-top {
    width: 60px;
    height: 60px;
    cursor: pointer; }