/*菜单*/
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
.container {
  padding-right: 15px;
  padding-left: 15px;
  margin: 0 auto;
}
.container:before,
.container:after {
  display: table;
  content: ' ';
}
.container:after {
  clear: both;
}
.container:before,
.container:after {
  display: table;
  content: ' ';
}
.container:after {
  clear: both;
}

@media (min-width: 768px) {
  .container {
    width: 810px;
  padding: 23px 0;
}
}
@media (min-width: 992px) {
  .container {
    width: 1000px;
}
}

@media (min-width: 1000px) {
  .container {
    width: 1000px;
}
}

.collapse {
  display: none;
}
.collapse.in {
  display: block;
}
.collapsing {
  position: relative;
  height: 0;
  overflow: hidden;
  -webkit-transition: height 0.35s ease;
  transition: height 0.35s ease;
}

.dropdown {
  position: relative;
}
.dropdown-toggle:focus {
  outline: 0;
}
.dropdown-menu {
  position: absolute;
  top: 96px;
  z-index: 1000;
  display: none;
  float: left;
  width: 100%;
  margin: 2px 0 0;
  border: none;
  border-radius: 0;
  border-top: 1px solid #dcdddd;
}
.caret {
  /*display:block; background:url(../images/jian.png) no-repeat; width:14px; height:9px; position:absolute; right:28px; top:0; width: 0;height: 0;margin-left: 2px;vertical-align: middle;border-top: 3px solid;border-right: 3px solid transparent;border-left: 3px solid transparent; z-index:10000;*/
  margin-left: 8px;
}
.dropdown-menu ul {
  width: 298px;
  padding: 20px 0;
  overflow: hidden;
  font-size: 12px;
  list-style: none;
  background-color: #fff;
  border: 1px solid #ccc;
  border: 1px solid #e5e5e5;
  border-radius: 4px;
  -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
  margin-top: 8px;
  position: relative;
  z-index: 1000;
}
.dropdown-toggle i {
  margin-right: 10px;
}
.dropdown-toggle i img {
  -webkit-border-radius: 50%;
  border-radius: 50%;
}
.dropdown-menu .divider {
  height: 1px;
  margin: 9px 0;
  overflow: hidden;
  background-color: #e5e5e5;
}
.dropdown-menu .container {
  padding: 10px 0;
}
.dropdown-menu li {
  float: left;
  width: 22%;
  margin-left: 1%;
}
.dropdown-menu li h3 {
  font-size: 18px;
  color: #d72128;
  padding: 10px 0;
}
.dropdown-menu li hr {
  margin: 5px 0;
  border-top: 1px solid #dcdddd;
}
/* .nav> li:hover .dropdown-menu {display: block;} */
.dropdown-menu li a {
  padding: 0px;
  line-height: 30px;
  clear: both;
  font-weight: normal;
  color: #333;
  white-space: nowrap;
  font-size: 14px;
}
.dropdown-menu li a:hover,
.dropdown-menu li a:focus {
  color: #d72128;
  text-decoration: none;
  background-color: none;
}
.dropdown-menu .active a,
.dropdown-menu .active a:hover,
.dropdown-menu .active a:focus {
  color: #333;
  text-decoration: none;
  outline: 0;
}

.dropdown-menu li em {
  display: inline-block;
  width: 18px;
  height: 18px;
  vertical-align: -5px;
  margin-right: 10px;
  margin-left: 20px;
}
.dropdown-menu > .disabled > a,
.dropdown-menu > .disabled > a:hover,
.dropdown-menu > .disabled > a:focus {
  color: #999999;
}
.open > .dropdown-menu {
  display: block;
}
.open > a {
  outline: 0;
}
.dropdown-header {
  display: block;
  padding: 3px 20px;
  font-size: 12px;
  line-height: 1.428571429;
  color: #999999;
}
.dropdown-backdrop {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 990;
}
.dropup .caret,
.navbar-fixed-bottom .dropdown .caret {
  border-top: 0;
  border-bottom: 4px solid;
  content: '';
}
.dropup .dropdown-menu,
.dropdown-menu .mark {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: 0.6;
  filter: alpha(opacity=60);
  -moz-opacity: 0.6;
  display: none;
}

@media (min-width: 768px) {
  .navbar-right .dropdown-menu {
    right: 0;
  left: auto;
}
}

.nav {
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}
.nav:before,
.nav:after {
  display: table;
  content: ' ';
}
.nav:after {
  clear: both;
}
.nav:before,
.nav:after {
  display: table;
  content: ' ';
}
.nav:after {
  clear: both;
}
.nav > li {
  position: static;
  display: block;
}
.nav > li > a {
  position: relative;
  display: block;
  padding: 0;
  margin-left: 40px;
}
.nav > li > a:hover,
.nav > li > a:focus {
  text-decoration: none;
}

.nav .open > a,
.nav .open > a:hover,
.nav .open > a:focus {
  background-color: white;
  border-color: #428bca;
}
.nav .nav-divider {
  height: 1px;
  margin: 9px 0;
  overflow: hidden;
  background-color: #e5e5e5;
}
.nav > li > a > img {
  max-width: none;
}

.navbar {
  position: relative;
  min-height: 50px;
  margin-bottom: 20px;
  border: 1px solid transparent;
}
.navbar:before,
.navbar:after {
  display: table;
  content: ' ';
}
.navbar:after {
  clear: both;
}
.navbar:before,
.navbar:after {
  display: table;
  content: ' ';
}
.navbar:after {
  clear: both;
}

@media (min-width: 768px) {
  .navbar {
    border-radius: 4px;
}
}

.navbar-header:before,
.navbar-header:after {
  display: table;
  content: ' ';
}
.navbar-header:after {
  clear: both;
}
.navbar-header:before,
.navbar-header:after {
  display: table;
  content: ' ';
}
.navbar-header:after {
  clear: both;
}
@media (min-width: 768px) {
  .navbar-header {
    float: left;
}
}

.navbar-collapse {
  max-height: 340px;
  padding-right: 15px;
  padding-left: 15px;
  overflow-x: visible;
  border-top: 1px solid transparent;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  -webkit-overflow-scrolling: touch;
}
.navbar-collapse:before,
.navbar-collapse:after {
  display: table;
  content: ' ';
}
.navbar-collapse:after {
  clear: both;
}
.navbar-collapse:before,
.navbar-collapse:after {
  display: table;
  content: ' ';
}
.navbar-collapse:after {
  clear: both;
}
/*.navbar-collapse.in {overflow-y: auto;}*/

@media (min-width: 768px) {
  .navbar-collapse {
    width: auto;
  border-top: 0;
  box-shadow: none;
}
.navbar-collapse.collapse {
  display: block !important;
  height: auto !important;
  padding-bottom: 0;
  overflow: visible !important;
}
.navbar-collapse.in {
  overflow-y: visible;
}
.navbar-fixed-top .navbar-collapse,
.navbar-static-top .navbar-collapse,
.navbar-fixed-bottom .navbar-collapse {
  padding-right: 0;
  padding-left: 0;
}
}

.container > .navbar-header,
.container > .navbar-collapse {
  margin-right: -15px;
  margin-left: -15px;
}

@media (min-width: 768px) {
  .container > .navbar-header,
    .container > .navbar-collapse {
    margin-right: 0;
  margin-left: 0;
}
}

.navbar-static-top {
  z-index: 1000;
  border-width: 0 0 1px;
}

@media (min-width: 768px) {
  .navbar-static-top {
    border-radius: 0;
}
}

.navbar-fixed-top,
.navbar-fixed-bottom {
  position: fixed;
  right: 0;
  left: 0;
  z-index: 5030;
}

@media (min-width: 768px) {
  .navbar-fixed-top,
    .navbar-fixed-bottom {
    border-radius: 0;
}
}

.navbar-fixed-top {
  top: 0;
  border-width: 0px;
}
.navbar-fixed-bottom {
  bottom: 0;
  margin-bottom: 0;
  border-width: 0;
}
.navbar-brand {
  float: left;
  width: 143px;
  height: 42px;
  margin: 5px 0 0 0px;
  -webkit-background-size: auto 42px;
  background-size: auto 42px;
}
.navbar-brand:hover,
.navbar-brand:focus {
  text-decoration: none;
}

@media (max-width: 768px) {
  .navbar-brand {
    width: 130px;
  height: 30px;
  -webkit-background-size: auto 30px;
  background-size: auto 30px;
  margin: 10px 0 0 10px;
}
.about_box {
  margin-top: 50px;
}
.dropdown-menu .mark {
  display: block;
}
}

.navbar-toggle {
  position: relative;
  float: right;
  padding: 9px 10px;
  margin-top: 8px;
  margin-right: 15px;
  margin-bottom: 8px;
  background-color: transparent;
  background-image: none;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
}
.navbar-toggle .icon-bar {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 1px;
  cursor: pointer;
}
.navbar-toggle .icon-bar + .icon-bar {
  margin-top: 4px;
}

@media (min-width: 768px) {
  .navbar-toggle {
    display: none;
}
}

.navbar-nav {
  margin: 7.5px -15px;
}
.navbar-nav > li > a {
  padding: 10px 0 20px 0;
}

@media (max-width: 767px) {
  .dropdown-menu {
    position: fixed;
  top: 20%;
  right: auto;
  left: 50%;
  z-index: 1000;
  display: none;
  float: left;
  width: 90%;
}
.dropdown-menu ul {
  width: 100%;
  text-align: left;
  border: 0;
}
.dropdown-menu li {
  float: none;
  width: 100%;
  margin-left: 1%;
}
.dropdown-menu li h3 {
  text-align: center;
}
.dropdown-menu li div {
  text-align: center;
}
.dropdown-menu li a {
  padding: 0px;
  line-height: 35px;
  clear: both;
  font-weight: normal;
  color: #333;
  white-space: nowrap;
  font-size: 14px;
}
.dropdown-menu li em {
  display: inline-block;
  width: 30px;
  height: 30px;
  vertical-align: -8px;
  margin-right: 10px;
  margin-left: 20px;
}
}

@media (min-width: 768px) {
  .navbar-nav {
    float: left;
  margin: 0;
}
.navbar-nav > li {
  float: left;
}
.navbar-nav.navbar-right:last-child {
  margin-right: -15px;
}
}

@media (min-width: 768px) {
  .navbar-left {
    float: left !important;
}
.navbar-right {
  float: right !important;
  margin-top: 10px;
  width: 250px;
}
.navbar-right li {
  float: left;
}
}
.navbar-right li a {
  color: #333;
}
.navbar-right li a:hover {
  text-decoration: underline;
}
.navbar-right li span {
  background: #a7a7a7;
  width: 1px;
  height: 9px;
  display: block;
  margin: 8px 8px;
}
.navbar-right li a i {
  background: url(../images/qiu.png) no-repeat;
  width: 15px;
  height: 15px;
  display: inline-block;
  margin-right: 5px;
  vertical-align: -4px;
}

.navbar-nav > li > .dropdown-menu {
  margin-top: 0;
  border-top-right-radius: 0;
  border-top-left-radius: 0;
}
.navbar-fixed-bottom .navbar-nav > li > .dropdown-menu {
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.navbar-nav.pull-right > li > .dropdown-menu,
.navbar-nav > li > .dropdown-menu.pull-right {
  right: 0;
  left: auto;
}
.navbar-default {
  background: #fff;
  -webkit-box-shadow: 0 0 3px 0px rgba(0, 0, 0, 0.2);
  box-shadow: 0 0 3px 0px rgba(0, 0, 0, 0.2);
}
.navbar-default .navbar-brand {
  color: #222;
}
.navbar-default .navbar-brand:hover,
.navbar-default .navbar-brand:focus {
  color: #5e5e5e;
  background-color: transparent;
}
.navbar-default .navbar-text {
  color: #222;
}
.navbar-default .navbar-nav > li > a {
  color: #333;
  font-size: 16px;
  position: relative;
}
.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
  color: #d72128;
}
.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover,
.navbar-default .navbar-nav > .active > a:focus {
  color: #d72128;
}
.navbar-default .navbar-nav > .active > a:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 7px;
  background: #d72128;
  width: 100%;
  height: 2px;
}

.navbar-default .navbar-toggle {
  border-color: none;
}
.navbar-default .navbar-toggle:hover,
.navbar-default .navbar-toggle:focus {
  background-color: none;
}
.navbar-default .navbar-toggle .icon-bar {
  background-color: #333;
}
.navbar-default .navbar-nav > .open > a,
.navbar-default .navbar-nav > .open > a:hover,
.navbar-default .navbar-nav > .open > a:focus {
  color: #d72128;
  background-color: white;
}

@media (max-width: 767px) {
  .navbar-default .navbar-nav > li > a {
    text-align: center;
  margin: 0;
  padding: 5px 0 15px 0;
}
.navbar-default .navbar-nav .open .dropdown-menu > li > a {
  color: #fff;
}
.navbar-default .navbar-nav .open .dropdown-menu > li > a:hover,
.navbar-default .navbar-nav .open .dropdown-menu > li > a:focus {
  color: #fff;
  background-color: transparent;
}
.navbar-default .navbar-nav .open .dropdown-menu > .active > a,
.navbar-default .navbar-nav .open .dropdown-menu > .active > a:hover,
.navbar-default .navbar-nav .open .dropdown-menu > .active > a:focus {
  color: #333;
}
.navbar-default .navbar-nav .open .dropdown-menu > .disabled > a,
.navbar-default .navbar-nav .open .dropdown-menu > .disabled > a:hover,
.navbar-default .navbar-nav .open .dropdown-menu > .disabled > a:focus {
  color: #fff;
  background-color: transparent;
}
.navbar-right {
  text-align: center;
  padding-bottom: 20px;
}
.navbar-right li {
  display: inline-block;
}
.navbar-right li span {
  margin: 0px 2px;
}
}