/* 小于一定尺寸时显示将要隐藏的内容 */
@media screen and (max-width: 320px) {
  html {
    overflow-x: auto;
    width: 320px;
  }
}
/* 居中标签 */
.center {
  width: 1300px;
  margin: 0 auto;
}
/* go_top START */
.go_top {
  position: fixed;
  right: 2%;
  bottom: 10%;
  width: 66px;
  height: 66px;
  background: rgba(150, 150, 150, 0.5);
  border-radius: 50%;
  text-align: center;
  line-height: 66px;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
  z-index: 10000;
  display: none;
}
.go_top:hover {
  background: #00a0e9;
}
/* go_top END */
/* 浏览器低版本提示 START */
#browser_mask {
  background-color: #000;
  background: rgba(0, 0, 0, 0.7);
  filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=70);
  z-index: 1000000000;
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  display: none;
}
#browser_hint {
  z-index: 9999999999;
  position: absolute;
  display: none;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
}
#browser_hint #browser_container .explain {
  width: 800px;
  color: #555;
  margin: 0 auto;
  position: absolute;
  text-align: center;
  background: #fff;
  left: 50%;
  top: 50%;
  padding: 50px;
  margin-top: -150px;
  margin-left: -450px;
}
#browser_hint #browser_container .explain .explain_title {
  font-size: 22px;
  font-weight: bold;
}
#browser_hint #browser_container .explain .explain_title span {
  color: red;
}
#browser_hint #browser_container .explain .explain_list {
  margin-top: 40px;
  overflow: hidden;
}
#browser_hint #browser_container .explain .item {
  width: 110px;
  margin: 0 20px;
  text-align: center;
  display: inline-block;
}
#browser_hint #browser_container .explain .item .item_icon {
  width: 100px;
  height: 100px;
  margin: 0 auto;
  border-radius: 50%;
  line-height: 100px;
  box-sizing: content-box;
  background: #66CC66;
  font-weight: bold;
  font-size: 22px;
  color: #fff;
  cursor: pointer;
}
#browser_hint #browser_container .explain .item .item_text {
  font-size: 16px;
  margin-top: 10px;
  color: #555;
}
/* 浏览器低版本提示 END */
/* header START */
.header {
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  margin: auto;
  z-index: 10000;
  position: fixed;
  min-width: 320px;
  max-width: 1920px;
  -o-transition: all 0.35s;
  -moz-transition: all 0.35s;
  -webkit-transition: all 0.35s;
  transition: all 0.35s;
}
.header.box_shadow {
  box-shadow: 0px 15px 30px rgba(0, 0, 0, 0.08);
}
.header.active {
  background: #fff;
}
.header.headerFixed {
  position: absolute;
}
.header.active .logo img {
  display: none;
}
.header.active .logo img.active {
  display: block;
}
.header.active .nav .item .first_nav {
  color: #333;
}
.header.active .header_right {
  color: #555;
}
.header.active .header_right .search .search_container {
  top: 75px;
}
.header.active .header_right .search .search_container label input {
  background: rgba(0, 160, 233, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.header.active .header_right .search .search_container label button {
  color: #fff;
}
.header.active .header_right .search .search_container label button:active {
  color: #fff;
  opacity: 0.8;
}
.header.active .header_right .language .language_list {
  top: 75px;
}
.header.active .header_right .language .language_list .language_container {
  background: rgba(0, 160, 233, 0.8);
}
.header.active .header_right .language .language_list .item:not(:last-child) {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.header.active .header_right .language .language_list .item.active,
.header.active .header_right .language .language_list .item:hover {
  color: #fff;
  text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.35);
}
.header .center {
  width: 92%;
  padding: 0;
}
.header .logo {
  height: 40px;
}
.header .logo img {
  display: block;
}
.header .logo img.active {
  display: none;
}
.header .nav .item {
  padding: 0 32px;
}
.header .nav .item:hover .first_nav,
.header .nav .item.active .first_nav {
  color: #00a0e9;
}
.header .nav .item:first-child {
  padding-left: 0;
}
.header .nav .item:last-child {
  padding-right: 0;
}
.header .nav .item .first_nav {
  color: #fff;
  font-size: 20px;
  line-height: 100px;
  -o-transition: color 0.3s;
  -moz-transition: color 0.3s;
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
  position: relative;
  z-index: 11;
}
.header .header_right {
  color: #fff;
}
.header .header_right .search {
  margin-right: 80px;
  position: relative;
}
.header .header_right .search .search_control {
  font-size: 24px;
  line-height: 30px;
  cursor: pointer;
  -o-transition: all 0.15s;
  -moz-transition: all 0.15s;
  -webkit-transition: all 0.15s;
  transition: all 0.15s;
}
.header .header_right .search .search_control:active {
  color: #00a0e9;
}
.header .header_right .search .search_container {
  position: absolute;
  right: -150px;
  top: 65px;
  opacity: 0;
  z-index: 0;
  visibility: hidden;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.header .header_right .search .search_container.active {
  right: 0;
  opacity: 1;
  z-index: 10;
  visibility: visible;
}
.header .header_right .search .search_container label {
  display: block;
  position: relative;
}
.header .header_right .search .search_container label input {
  width: 220px;
  height: 36px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 12px;
  padding: 0 15px;
  padding-right: 40px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.8);
}
.header .header_right .search .search_container label input::-webkit-input-placeholder {
  color: rgba(255, 255, 255, 0.8);
}
.header .header_right .search .search_container label input:-moz-placeholder {
  color: rgba(255, 255, 255, 0.8);
}
.header .header_right .search .search_container label input:-ms-input-placeholder {
  color: rgba(255, 255, 255, 0.8);
}
.header .header_right .search .search_container label input::placeholder {
  color: rgba(255, 255, 255, 0.8);
}
.header .header_right .search .search_container label button {
  position: absolute;
  font-size: 16px;
  cursor: pointer;
  height: 36px;
  width: 36px;
  right: 0;
  top: 0;
}
.header .header_right .search .search_container label button:active {
  color: #00a0e9;
}
.header .header_right .language {
  position: relative;
}
.header .header_right .language .language_control {
  font-size: 24px;
  cursor: pointer;
  line-height: 30px;
  -o-transition: all 0.15s;
  -moz-transition: all 0.15s;
  -webkit-transition: all 0.15s;
  transition: all 0.15s;
}
.header .header_right .language .language_control:active {
  color: #00a0e9;
}
.header .header_right .language .language_control .icon_arrow {
  font-size: 20px;
  margin-left: 7px;
  -o-transform: rotateZ(90deg);
  -moz-transform: rotateZ(90deg);
  -webkit-transform: rotateZ(90deg);
  transform: rotateZ(90deg);
}
.header .header_right .language .language_list {
  display: none;
  top: 65px;
  left: 50%;
  z-index: 10;
  width: 160px;
  overflow: hidden;
  line-height: 40px;
  margin-left: -80px;
  position: absolute;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  letter-spacing: 1px;
  text-align: center;
  font-size: 16px;
  color: #fff;
  padding: 0 1px;
  border-left: none;
  border-right: none;
  box-shadow: 0px 1px 2px rgba(255, 255, 255, 0.25) inset, 0px -1px 2px rgba(255, 255, 255, 0.25) inset;
}
.header .header_right .language .language_list .language_container {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  padding: 0 14px;
}
.header .header_right .language .language_list .item {
  -o-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.header .header_right .language .language_list .item:not(:last-child) {
  border-bottom: 1px solid rgba(238, 238, 238, 0.1);
}
.header .header_right .language .language_list .item.active,
.header .header_right .language .language_list .item:hover {
  color: #00a0e9;
}
.header .menu_control {
  width: 36px;
  display: none;
  cursor: pointer;
  padding: 13px 0;
  position: relative;
  margin-left: 20px;
}
.header .menu_control.active .line.line1 {
  -o-transform: rotateZ(45deg);
  -moz-transform: rotateZ(45deg);
  -webkit-transform: rotateZ(45deg);
  transform: rotateZ(45deg);
  top: 13px;
}
.header .menu_control.active .line.line3 {
  -o-transform: rotateZ(-45deg);
  -moz-transform: rotateZ(-45deg);
  -webkit-transform: rotateZ(-45deg);
  transform: rotateZ(-45deg);
  bottom: 13px;
}
.header .menu_control.active .line.line2 {
  opacity: 0;
}
.header .menu_control .line {
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: #00a0e9;
  position: relative;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -webkit-transform-origin: 18px center;
  -moz-transform-origin: 18px center;
  -ms-transform-origin: 18px center;
  transform-origin: 18px center;
}
.header .menu_control .line.line1 {
  position: absolute;
  top: 0;
  left: 0;
}
.header .menu_control .line.line3 {
  position: absolute;
  left: 0;
  bottom: 0;
}
/* header END */
/* down_nav START */
.down_nav {
  -o-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  box-shadow: 0px 15px 30px rgba(0, 0, 0, 0.08);
  border-top: 1px solid #eee;
  position: fixed;
  padding: 50px 0;
  left: 0;
  right: 0;
  width: 100%;
  margin: auto;
  background: #fff;
  max-width: 1920px;
  min-width: 320px;
  top: 140px;
  opacity: 0;
  z-index: -1;
  visibility: hidden;
}
.down_nav.active {
  top: 100px;
  opacity: 1;
  z-index: 9999;
  visibility: visible;
}
.down_nav .second_nav .nav_picture {
  width: 320px;
}
.down_nav .second_nav .nav_picture .picture_container {
  padding-top: 62.5%;
}
.down_nav .second_nav .nav_list {
  width: 380px;
  margin-left: 65px;
}
.down_nav .second_nav .nav_list .nav_list_container {
  height: 200px;
}
.down_nav .second_nav .nav_list .nav_list_item {
  width: 155px;
  font-size: 14px;
  color: #666666;
  line-height: 16px;
  padding-left: 18px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
  position: relative;
  margin-top: 24px;
  height: 32px;
  -o-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.down_nav .second_nav .nav_list .nav_list_item:nth-child(n+5) {
  margin-left: 65px;
}
.down_nav .second_nav .nav_list .nav_list_item:nth-child(1),
.down_nav .second_nav .nav_list .nav_list_item:nth-child(5) {
  margin-top: 0;
}
.down_nav .second_nav .nav_list .nav_list_item.active,
.down_nav .second_nav .nav_list .nav_list_item:hover {
  color: #00a0e9;
  border-bottom-color: #00a0e9;
}
.down_nav .second_nav .nav_list .nav_list_item .explain_title {
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.down_nav .second_nav .nav_list .nav_list_item .explain_icon {
  color: #d6d6d6;
  position: absolute;
  left: 0;
  top: 0;
}
.down_nav .second_nav .nav_line {
  width: 1px;
  height: 200px;
  margin: 0 65px;
  background: #eee;
}
.down_nav .second_nav .nav_explain {
  width: 390px;
  font-size: 14px;
  color: #888888;
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 7;
  -webkit-box-orient: vertical;
  max-height: 196px;
  min-height: 0px;
  line-height: 28px;
}
/* down_nav END */
/* m_nav START */
.m_nav {
  display: none;
  position: fixed;
  z-index: 10001;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  overflow-y: auto;
  background: #fff;
  max-width: 1920px;
  min-width: 320px;
  padding-bottom: 50px;
  border-top: 1px solid #eee;
}
.m_nav .nav .item {
  border-bottom: 1px solid #eee;
  font-size: 16px;
  color: #666;
}
.m_nav .nav .item.active .first_nav {
  background: rgba(0, 0, 0, 0.08);
}
.m_nav .nav .first_nav {
  padding: 20px 15px;
  position: relative;
}
.m_nav .nav .first_nav:active {
  background: rgba(0, 0, 0, 0.08);
}
.m_nav .nav .first_nav.active .item_icon .iconfont {
  -o-transform: rotateZ(-90deg);
  -moz-transform: rotateZ(-90deg);
  -webkit-transform: rotateZ(-90deg);
  transform: rotateZ(-90deg);
  color: #00a0e9;
}
.m_nav .nav .first_nav .explain {
  max-width: 80%;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.m_nav .nav .first_nav .item_icon {
  font-size: 18px;
  position: absolute;
  color: #999;
  margin: auto;
  right: 15px;
  bottom: 0;
  top: 0;
}
.m_nav .nav .first_nav .item_icon .iconfont {
  -o-transform: rotateZ(90deg);
  -moz-transform: rotateZ(90deg);
  -webkit-transform: rotateZ(90deg);
  transform: rotateZ(90deg);
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.m_nav .nav .second_nav {
  display: none;
  background: rgba(0, 0, 0, 0.05);
}
.m_nav .nav .second_nav .second_nav_item {
  padding: 18px 15px;
}
.m_nav .nav .second_nav .second_nav_item:not(:last-child) {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.m_nav .nav .second_nav .second_nav_item:active {
  background: rgba(0, 0, 0, 0.08);
}
.m_nav .search {
  margin-top: 20px;
  padding: 0 15px;
}
.m_nav .search label {
  display: block;
  overflow: hidden;
  position: relative;
}
.m_nav .search label input {
  width: 100%;
  height: 48px;
  font-size: 14px;
  padding: 0 20px;
  border-radius: 24px;
  border: 1px solid #eee;
  padding-right: 65px;
  color: #666;
}
.m_nav .search label input::-webkit-input-placeholder {
  color: #999;
}
.m_nav .search label input:-moz-placeholder {
  color: #999;
}
.m_nav .search label input:-ms-input-placeholder {
  color: #999;
}
.m_nav .search label input::placeholder {
  color: #999;
}
.m_nav .search label input:focus {
  border-color: #00a0e9;
}
.m_nav .search label button {
  position: absolute;
  font-size: 18px;
  color: #777;
  margin: auto;
  width: 48px;
  bottom: 0;
  right: 0;
  top: 0;
}
.m_nav .search label button:active {
  color: #00a0e9;
}
/* m_nav END */
/* footer START */
.footer {
  background: #353535;
  color: #fff;
}
.footer .footer_top {
  padding: 60px 0 50px;
}
.footer .footer_top .footer_info {
  width: 270px;
}
.footer .footer_top .footer_info .info_logo {
  height: 40px;
}
.footer .footer_top .footer_info .info_tel {
  color: #00a0e9;
  margin-top: 25px;
}
.footer .footer_top .footer_info .info_tel .info_tel_icon {
  font-size: 24px;
}
.footer .footer_top .footer_info .info_tel .info_tel_text {
  font-size: 22px;
  margin-left: 12px;
  letter-spacing: 1px;
}
.footer .footer_top .footer_info .info_content {
  font-size: 12px;
  margin-top: 20px;
  line-height: 24px;
  color: rgba(136, 136, 136, 0.7);
}

.footer .footer_top .footer_nav{
  width: 57.3%;
}
.footer .footer_top .footer_nav .footer_nav_list{
  width: 18%;
}
.footer .footer_top .footer_nav .footer_nav_list:not(:last-child) {
  margin-right: 2%;
}
.footer .footer_top .footer_nav .nav_title {
  font-size: 16px;
  line-height: 16px;
  color: #ffffff;
}
.footer .footer_top .footer_nav .nav_title .line {
  width: 8px;
  height: 2px;
  margin-right: 6px;
  background: #00a0e9;
}
.footer .footer_top .footer_nav .nav_list {
  font-size: 12px;
  margin-top: 14px;
  line-height: 20px;
  padding-left: 14px;
  color: rgba(136, 136, 136, 0.7);
}
.footer .footer_top .footer_nav .nav_list .item:not(:last-child) {
  margin-bottom: 14px;
}
.footer .footer_top .footer_nav .nav_list .item a {
  left: 0;
  display: inline;
  position: relative;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.footer .footer_top .footer_nav .nav_list .item a:hover {
  color: #00a0e9;
  left: -4px;
}
.footer .footer_top .footer_weixin .weixin_picture {
  width: 120px;
  padding: 10px;
  position: relative;
  border-radius: 2px;
  border: 1px solid #5d5d5d;
}
.footer .footer_top .footer_weixin .weixin_picture .picture_container {
  padding-top: 100%;
  background: #fff;
}
.footer .footer_top .footer_weixin .weixin_picture .line {
  position: absolute;
  background: #fff;
}
.footer .footer_top .footer_weixin .weixin_picture .line.line1 {
  width: 2px;
  height: 14px;
  left: -1px;
  top: -1px;
}
.footer .footer_top .footer_weixin .weixin_picture .line.line2 {
  width: 14px;
  height: 2px;
  left: -1px;
  top: -1px;
}
.footer .footer_top .footer_weixin .weixin_picture .line.line3 {
  width: 2px;
  height: 14px;
  bottom: -1px;
  right: -1px;
}
.footer .footer_top .footer_weixin .weixin_picture .line.line4 {
  width: 14px;
  height: 2px;
  bottom: -1px;
  right: -1px;
}
.footer .footer_top .footer_weixin .weixin_text {
  font-size: 12px;
  color: #888888;
  margin-top: 12px;
  text-align: center;
}
.footer .footer_middle {
  font-size: 14px;
  line-height: 30px;
  border-top: 1px solid #262626;
  border-bottom: 1px solid #262626;
}
.footer .footer_middle .footer_middle_container {
  padding: 20px 0;
  border-top: 1px solid #4a4a4a;
  border-bottom: 1px solid #4a4a4a;
}
.footer .footer_middle .list_title {
  color: rgba(255, 255, 255, 0.7);
  margin-right: 20px;
  float: left;
}
.footer .footer_middle .item {
  float: left;
  -o-transition: color 0.3s;
  -moz-transition: color 0.3s;
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
  color: rgba(255, 255, 255, 0.2);
}
.footer .footer_middle .item:hover {
  color: #00a0e9;
}
.footer .footer_middle .item:not(:last-child) {
  margin-right: 20px;
}
.footer .footer_bottom {
  padding: 22px 0;
  font-size: 12px;
  line-height: 16px;
  color: rgba(255, 255, 255, 0.5);
}
.footer .footer_bottom a {
  display: inline;
  -o-transition: color 0.3s;
  -moz-transition: color 0.3s;
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
}
.footer .footer_bottom a:hover {
  color: #00a0e9;
}
.footer .footer_bottom .footer_bottom_left .list .item {
  margin-left: 10px;
  padding-left: 10px;
  position: relative;
}
.footer .footer_bottom .footer_bottom_left .list .item::after {
  content: '';
  display: block;
  position: absolute;
  width: 1px;
  height: 13px;
  top: 2px;
  left: 0;
  background: #787887;
}
.footer .footer_bottom .footer_bottom_left .list .item img {
  top: -1px;
  height: 12px;
  position: relative;
}
/* footer END */
/* 响应 */
@media screen and (max-width: 1700px) {
  .header .nav .item .first_nav {
    font-size: 18px;
  }
}
@media screen and (max-width: 1650px) {
  .header .header_right .search {
    margin-right: 60px;
  }
}
@media screen and (max-width: 1580px) {
  .header .center {
    width: 100%;
    padding: 0 15px;
  }
  .header .header_right .search {
    margin-right: 50px;
  }
  .header .header_right .language .language_list {
    margin-left: 0;
    left: auto;
    right: 0;
  }
}
@media screen and (max-width: 1480px) {
  .header .nav .item {
    padding: 0 25px;
  }
  .header .nav .item:first-child {
    padding-left: 0;
  }
  .header .nav .item:last-child {
    padding-right: 0;
  }
  .header .header_right .search {
    margin-right: 40px;
  }
  .header .header_right .search .search_control {
    font-size: 20px;
  }
  .header .header_right .language .language_control {
    font-size: 20px;
  }
  .header .header_right .language .language_control .icon_arrow {
    font-size: 16px;
    margin-left: 5px;
  }
}
@media screen and (max-width: 1300px) {
  .center {
    width: 100%;
    padding: 0 15px;
  }
  .header .nav .item {
    padding: 0 20px;
  }
  .header .nav .item:first-child {
    padding-left: 0;
  }
  .header .nav .item:last-child {
    padding-right: 0;
  }
  .header .nav .item .first_nav {
    font-size: 16px;
  }
  .header .header_right .search {
    margin-right: 35px;
  }
  .footer .footer_top .footer_info {
    width: 250px;
  }
  .footer .footer_top .footer_nav .footer_nav_list:not(:last-child) {
    margin-right: 60px;
  }
  .down_nav {
    padding: 40px 15px;
  }
  .down_nav .second_nav .nav_list {
    width: 350px;
    margin-left: 40px;
  }
  .down_nav .second_nav .nav_list .nav_list_item:nth-child(n+5) {
    margin-left: 40px;
  }
  .down_nav .second_nav .nav_line {
    margin: 0 40px;
  }
  .down_nav .second_nav .nav_explain {
    width: 360px;
  }
}
@media screen and (max-width: 1200px) {
  .go_top {
    z-index: -1;
  }
  body {
    padding-top: 80px;
  }
  .header {
    padding: 20px 0;
    background: #fff;
  }
  .header.active .header_right .language .language_list {
    top: 65px;
  }
  .header .logo {
    height: 40px;
  }
  .header .logo img {
    display: none;
  }
  .header .logo img.active {
    display: block;
  }
  .header .nav {
    display: none;
  }
  .header .header_right .search {
    display: none;
  }
  .header .header_right .language {
    color: #666;
    margin-right: 20px;
  }
  .header .header_right .language .language_control {
    color: #00a0e9;
    font-size: 34px;
    line-height: 34px;
  }
  .header .header_right .language .language_control .iconfont {
    position: relative;
    top: 1px;
  }
  .header .header_right .language .language_control .icon_arrow {
    display: none;
  }
  .header .header_right .language .language_list {
    left: 50%;
    width: 150px;
    line-height: 38px;
    margin-left: -75px;
  }
  .header .menu_control {
    display: block;
  }
  .footer .footer_top,
  .footer .footer_middle {
    display: none;
  }
  .footer .footer_bottom {
    display: block;
    padding: 20px 0;
    text-align: center;
  }
  .footer .footer_bottom .footer_bottom_left {
    display: block;
  }
  .footer .footer_bottom .footer_bottom_left .list {
    margin: 5px 0;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -moz-justify-content: center;
    -ms-justify-content: center;
    -o-justify-content: center;
    justify-content: center;
  }
  .footer .footer_bottom .footer_bottom_left .list .item:first-child::after {
    display: none;
  }
}
@media screen and (max-width: 768px) {
  body {
    padding-top: 68px;
  }
  .header {
    padding: 16px 0;
  }
  .header.active .header_right .language .language_list {
    top: 58px;
  }
  .header .logo {
    height: 36px;
  }
  .header .logo img {
    display: none;
  }
  .header .logo img.active {
    display: block;
  }
  .header .header_right .language {
    margin-right: 15px;
  }
  .header .header_right .language .language_control {
    font-size: 32px;
    line-height: 32px;
  }
  .header .header_right .language .language_list {
    top: 58px;
    width: 120px;
    font-size: 14px;
    line-height: 36px;
    margin-left: -60px;
  }
  .header .header_right .language .language_list .language_container {
    background: rgba(0, 160, 233, 0.8);
  }
  .header .header_right .language .language_list .item {
    -o-transition-duration: 0s;
    -moz-transition-duration: 0s;
    -webkit-transition-duration: 0s;
    transition-duration: 0s;
  }
  .header .header_right .language .language_list .item:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
  .header .header_right .language .language_list .item.active,
  .header .header_right .language .language_list .item:hover {
    color: #fff;
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.35);
  }
  .header .menu_control {
    width: 32px;
    padding: 11px 0;
  }
  .header .menu_control.active .line.line1 {
    top: 11px;
  }
  .header .menu_control.active .line.line3 {
    bottom: 11px;
  }
  .header .menu_control .line {
    -webkit-transform-origin: 16px center;
    -moz-transform-origin: 16px center;
    -ms-transform-origin: 16px center;
    transform-origin: 16px center;
  }
  .m_nav {
    top: 68px;
  }
  .m_nav .nav .first_nav {
    padding: 16px 15px;
  }
  .m_nav .nav .second_nav .second_nav_item {
    padding: 14px 15px;
  }
  .m_nav .search {
    margin-top: 15px;
  }
  .m_nav .search label input {
    height: 42px;
    padding: 0 18px;
    padding-right: 50px;
  }
  .m_nav .search label button {
    font-size: 16px;
    width: 42px;
  }
  .footer .footer_bottom {
    padding: 15px 0;
    text-align: center;
  }
  .footer .footer_bottom a {
    -o-transition-duration: 0s;
    -moz-transition-duration: 0s;
    -webkit-transition-duration: 0s;
    transition-duration: 0s;
  }
  .footer .footer_bottom .footer_bottom_left .list {
    margin: 3px 0;
  }
  .footer .footer_bottom .footer_bottom_left .list .item:first-child::after {
    display: none;
  }
}
@media screen and (max-width: 480px) {
  body {
    padding-top: 60px;
  }
  .header {
    padding: 14px 0;
  }
  .header.active .header_right .language .language_list {
    top: 50px;
  }
  .header .logo {
    height: 32px;
  }
  .header .logo img {
    display: none;
  }
  .header .logo img.active {
    display: block;
  }
  .header .header_right .language {
    margin-right: 0px;
  }
  .header .header_right .language .language_control {
    font-size: 28px;
    line-height: 28px;
  }
  .header .header_right .language .language_list {
    top: 50px;
    width: 100px;
    line-height: 32px;
    margin-left: -50px;
  }
  .header .menu_control {
    width: 30px;
    padding: 10px 0;
  }
  .header .menu_control.active .line.line1 {
    top: 10px;
  }
  .header .menu_control.active .line.line3 {
    bottom: 10px;
  }
  .header .menu_control .line {
    -webkit-transform-origin: 15px center;
    -moz-transform-origin: 15px center;
    -ms-transform-origin: 15px center;
    transform-origin: 15px center;
  }
  .m_nav {
    top: 60px;
  }
  .m_nav .nav .first_nav {
    padding: 14px 15px;
  }
}




/* //2020-05-25 修改头部为简单样式 */

.header .nav .item{
  position: relative;
}
.header .nav .item .mask{
  opacity: 0;
  z-index: -1;
  visibility: hidden;
  position: absolute;
  top: 101px;
  left: 50%;
  width: 100%;
  margin-left: -100px;
  background: #ffffff;
  font-size: 14px;
  line-height: 48px;
  text-align: center;
  -webkit-transition: all 0.4s;
  transition: all 0.4s;
  box-shadow: 0px 15px 30px rgba(0, 0, 0, 0.08);
  padding: 2px;
  width: 200px;
  -webkit-transform: scale(0) rotateY(0);
  transform: scale(0) rotateY(0);
  -webkit-transform-origin: center top;
  transform-origin: center top;
}

.header .nav .item .mask .line a {
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  color: #666;
  padding: 0 8px;
  position: relative;
  -webkit-transition: all .35s;
  transition: all .35s;
}
.header .nav .item .mask .line:not(:last-child) a::after {
  content: '';
  position: absolute;
  right: 8px;
  left: 8px;
  bottom: 0;
  height: 1px;
  margin: auto;
  background: #f9f9f9;
  -webkit-transition: all .35s;
  transition: all .35s;
}
.header .nav .item .mask .line a.active,
.header .nav .item .mask .line a:hover {
  background: rgba(0, 160, 233, 0.7);
  color: #fff;
}
.header .nav .item .mask .line:not(:last-child) a.active::after,
.header .nav .item .mask .line:not(:last-child) a:hover::after {
  opacity: 0;
}
.header .nav .item:hover .mask{
  opacity: 1;
  z-index: 10;
  visibility: visible;
  -webkit-transform: scale(1) rotateY(0);
  transform: scale(1) rotateY(0);
}