.wapper {
  width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.main {
  width: 1440px;
  margin-left: auto;
  margin-right: auto;
}
.flex {
  display: flex;
  align-items: center;
}
.flex-between {
  justify-content: space-between;
}
.flex-around {
  justify-content: space-around;
}
.page {
  padding-top: 90px;
}
.header {
  width: 100%;
  height: 90px;
  background: #ffffff;
  box-shadow: 0px 3px 8px 0px rgba(179, 179, 179, 0.18);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1001;
}
.header .head_main {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header .head_main .logo {
  height: 48px;
  display: block;
}
.header .head_main .logo .normal {
  display: block;
  height: 100%;
}
.header .head_main .logo .special {
  display: none;
  height: 100%;
}
.header .head_main .header-nav {
  display: flex;
  height: 100%;
}
.header .head_main .header-nav .menu_li {
  transition: all 0.3s;
  font-weight: 600;
  font-size: 18px;
  color: rgba(0, 0, 0, 0.9);
  padding: 0 30px;
  position: relative;
}
.header .head_main .header-nav .menu_li .title {
  cursor: pointer;
  line-height: 90px;
}
.header .head_main .header-nav .menu_li .product_center_link {
  z-index: 12;
  position: absolute;
  top: 89px;
  left: 50%;
  margin-left: -100px;
  width: 200px;
  background: #FFFFFF;
  border-radius: 3px;
  box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
  padding: 0 25px;
  display: none;
  background: #fff;
  height: auto;
}
.header .head_main .header-nav .menu_li .product_center_link a {
  text-align: center;
  border-top: 1px solid #E2E2E2;
  color: #666666;
  font-size: 16px;
  height: 56px;
  line-height: 55px;
  margin-top: 0;
  transition: all 0.3s;
  display: block;
}
.header .head_main .header-nav .menu_li .product_center_link a:first-child {
  border-top: 0;
}
.header .head_main .header-nav .menu_li:hover .product_center_link {
  display: block;
}
.header .head_main .header-nav .menu_li.on {
  background: url(../images/header_menu_bg.png) no-repeat;
  background-size: 100%;
}
.header .head_main .search {
  width: 199px;
  height: 32px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 509px 509px 509px 509px;
  border: 1px solid #A6A6A6;
  position: relative;
  padding: 0 32px 0 8px;
}
.header .head_main .search .input {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  border: 0;
  background: transparent;
}
.header .head_main .search .btn_search {
  border: 0;
  position: absolute;
  right: 0;
  top: 0;
  width: 32px;
  height: 32px;
  background: url(../images/icon_search.png) no-repeat;
  background-position: center center;
  background-size: 16px 16px;
}
.header .head_main .user_box {
  width: 120px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  font-weight: 400;
  font-size: 14px;
  color: #FFFFFF;
  background: #DE5A21;
  border-radius: 60px 60px 60px 60px;
}
.header .head_main .user_box a {
  color: #fff;
}
.header .head_main .logined_box .avtar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}
.header .head_main .logined_box .username {
  color: #247AB7;
  font-size: 16px;
  margin-left: 10px;
  width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user_header {
  background: transparent;
  box-shadow: none;
}
.user_header .head_main .logo .normal {
  display: none;
}
.user_header .head_main .logo .special {
  display: block;
}
.user_header .head_main .header-nav .menu_li {
  color: #fff;
}
.user_header .head_main .search {
  background: #FFFFFF;
  border: 1px solid #FFFFFF;
}
.user_header .head_main .user_box {
  display: none;
}
.user_header .head_main .logined_box {
  display: block !important;
}
.user_header .head_main .logined_box .username {
  color: #fff;
}
.header_mb {
  display: none;
  z-index: 1002;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
}
.header_mb .menu_top {
  padding: 0 0 0 15px;
  height: 60px;
  background: #ffffff;
}
.header_mb .menu_top .logo {
  height: 30px;
  display: block;
  margin-top: 15px;
  float: left;
}
.header_mb .menu_top .logo img {
  height: 100%;
}
.header_mb .menu_top .menu-btn {
  float: right;
  width: 60px;
  height: 60px;
  z-index: 9999;
  position: relative;
}
.header_mb .menu_top .menu-btn span {
  width: 32px;
  height: 3px;
  position: absolute;
  left: 14px;
  top: 19px;
  background-color: #247AB7;
  -webkit-transition: all 0.8s;
  -o-transition: all 0.8s;
  transition: all 0.8s;
}
.header_mb .menu_top .menu-btn span:nth-child(2) {
  top: 29px;
  background-color: #247AB7;
  transform: scale(1, 1);
  -webkit-transform: scale(1, 1);
  -moz-transform: scale(1, 1);
  -ms-transform: scale(1, 1);
  -o-transform: scale(1, 1);
}
.header_mb .menu_top .menu-btn span:nth-child(3) {
  top: 39px;
}
.header_mb .menu_top .menu-btn.active span:nth-child(1) {
  top: 29px;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  -o-transform: rotate(45deg);
}
.header_mb .menu_top .menu-btn.active span:nth-child(2) {
  transform: scale(0, 1);
  -webkit-transform: scale(0, 1);
  -moz-transform: scale(0, 1);
  -ms-transform: scale(0, 1);
  -o-transform: scale(0, 1);
}
.header_mb .menu_top .menu-btn.active span:nth-child(3) {
  top: 29px;
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
}
.header_mb .menu {
  position: fixed;
  z-index: 1001;
  width: 0;
  height: 0;
  left: 0;
  top: 0;
  display: block;
  overflow: hidden;
  -webkit-transition: width 0.6s 0.3s, height 0.6s 0.3s, left 0.6s 0.3s, top 0.6s 0.3s, -webkit-border-radius 0.3s;
  transition: width 0.6s 0.3s, height 0.6s 0.3s, left 0.6s 0.3s, top 0.6s 0.3s, -webkit-border-radius 0.3s;
  -o-transition: width 0.6s 0.3s, height 0.6s 0.3s, left 0.6s 0.3s, top 0.6s 0.3s, border-radius 0.3s;
  transition: width 0.6s 0.3s, height 0.6s 0.3s, left 0.6s 0.3s, top 0.6s 0.3s, border-radius 0.3s;
  transition: width 0.6s 0.3s, height 0.6s 0.3s, left 0.6s 0.3s, top 0.6s 0.3s, border-radius 0.3s, -webkit-border-radius 0.3s;
  -webkit-border-radius: 50%;
  border-radius: 50%;
  -webkit-border-top-left-radius: 0;
  border-top-left-radius: 0;
}
.header_mb .menu .search {
  width: 240px;
  height: 35px;
  margin-top: 30px;
  position: relative;
  border: 1px solid #0F3F2A;
  border-radius: 4px;
  background: #ffffff;
  padding: 6px 40px 6px 13px;
  overflow: hidden;
}
.header_mb .menu .search .input {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  border: 0;
  background: transparent;
  color: #1F7AB7;
}
.header_mb .menu .search .input::-webkit-input-placeholder {
  color: #1F7AB7;
}
.header_mb .menu .search .input:-moz-placeholder {
  color: #1F7AB7;
}
.header_mb .menu .search .input::-moz-placeholder {
  color: #1F7AB7;
}
.header_mb .menu .search .input:-ms-input-placeholder {
  color: #1F7AB7;
}
.header_mb .menu .search .btn_search {
  border: 0;
  position: absolute;
  right: 0;
  top: 0;
  width: 34px;
  height: 33px;
  background: url(../images/icon_search_white.png) #1F7AB7 no-repeat;
  background-position: center center;
  background-size: 20px 19px;
}
.header_mb .menu .con {
  padding: 20px;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  position: relative;
  left: 50%;
  top: 50%;
  touch-action: none;
  z-index: 5;
  height: 100vh;
  width: 50%;
  background-color: #1f1e21;
}
.header_mb .menu .user_box {
  width: 120px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  font-weight: 400;
  font-size: 14px;
  color: #FFFFFF;
  background: #DE5A21;
  border-radius: 60px 60px 60px 60px;
  margin-top: 30px;
}
.header_mb .menu .user_box a {
  color: #fff;
}
.header_mb .menu .logined_box {
  margin-top: 30px;
}
.header_mb .menu .logined_box .avtar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  margin-top: 0;
}
.header_mb .menu .logined_box .username {
  color: #247AB7;
  font-size: 16px;
  margin-left: 10px;
}
.header_mb .menu img {
  width: auto;
  max-width: 85%;
  margin-top: 20px;
}
.header_mb .menu .list_ {
  margin-top: 40px;
  width: 100%;
  overflow-y: auto;
  height: calc(100% - 50px);
}
.header_mb .menu .list_ .mb_li {
  position: relative;
}
.header_mb .menu .list_ .mb_li .secondnav {
  width: 100%;
  padding: 10px 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  display: none;
}
.header_mb .menu .list_ .mb_li .secondnav a {
  display: block;
  color: #d1cfcf;
  line-height: 2.5;
  font-size: 14px;
}
.header_mb .menu .list_ .mb_li_title {
  display: block;
  color: #fff;
  font-size: 16px;
  line-height: 50px;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}
.header_mb .menu .list_ .mb_li_title .a_xiala {
  display: block;
  position: absolute;
  right: 0;
  top: 0;
  width: 50px;
  height: 50px;
  background: url(../images/icon_up.png) center no-repeat;
  background-size: 14px 8px;
  z-index: 2000;
  transform: rotate(180deg);
}
.header_mb .menu .list_ .mb_li_title .a_xiala.on {
  transform: rotate(0deg);
}
.header_mb .menu.active {
  width: 200%;
  height: 200%;
  left: -100%;
  top: -100%;
  -webkit-border-radius: 0;
  border-radius: 0;
  -webkit-transition: width 0.6s, height 0.6s, left 0.6s, top 0.6s, -webkit-border-radius 0.3s 0.5s;
  transition: width 0.6s, height 0.6s, left 0.6s, top 0.6s, -webkit-border-radius 0.3s 0.5s;
  -o-transition: width 0.6s, height 0.6s, left 0.6s, top 0.6s, border-radius 0.3s 0.5s;
  transition: width 0.6s, height 0.6s, left 0.6s, top 0.6s, border-radius 0.3s 0.5s;
  transition: width 0.6s, height 0.6s, left 0.6s, top 0.6s, border-radius 0.3s 0.5s, -webkit-border-radius 0.3s 0.5s;
}
.header_mb .menu-cover {
  position: absolute;
  width: 100%;
  height: 100%;
  display: none;
  -ms-touch-action: none;
  touch-action: none;
  left: 0;
  top: 0;
  background-color: rgba(0, 0, 0, 0.8);
}
.header_mb .menu-cover {
  display: block;
}
.footer {
  padding: 20px 0 14px;
  background: #1F7AB7;
  position: relative;
  z-index: 101;
}
.footer .footer_top {
  padding-bottom: 30px;
  border-bottom: 1px solid #fff;
}
.footer .footer_top .footer_tit img {
  width: 166px;
}
.footer .footer_top .footer_tit .txt {
  font-weight: 500;
  font-size: 16px;
  color: #FFFFFF;
  line-height: 32px;
  margin-top: 22px;
}
.footer .footer_top .footer_link {
  flex: 1;
  margin-left: 200px;
  margin-top: 15px;
  align-items: flex-start;
}
.footer .footer_top .footer_link .title {
  padding-left: 13px;
  border-left: 3px solid #fff;
  font-weight: 500;
  font-size: 16px;
  color: #FFFFFF;
  line-height: 1;
  margin-bottom: 15px;
}
.footer .footer_top .footer_link .li {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 20px;
  margin-top: 10px;
}
.footer .footer_bottom {
  margin-top: 19px;
}
.footer .footer_bottom .search_bolck .search_box {
  width: 257px;
  height: 32px;
  line-height: 32px;
  border-radius: 508px 508px 508px 508px;
  border: 1px solid #FFFFFF;
  padding: 0 80px 0 8px;
  position: relative;
}
.footer .footer_bottom .search_bolck .search_box .input {
  color: #fff;
  display: block;
  width: 100%;
  height: 100%;
  background: transparent;
}
.footer .footer_bottom .search_bolck .search_box .input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}
.footer .footer_bottom .search_bolck .search_box .btn_search {
  cursor: pointer;
  position: absolute;
  right: 3px;
  top: 2px;
  width: 69px;
  height: 26px;
  line-height: 26px;
  background: #FFFFFF;
  border-radius: 70px;
  text-align: center;
  font-weight: 400;
  font-size: 12px;
  color: #1F7AB7;
}
.footer .footer_bottom .search_bolck .share_box .tt {
  font-weight: 400;
  font-size: 14px;
  color: #FFFFFF;
}
.footer .footer_bottom .search_bolck .share_box .icon {
  width: 32px;
  height: 32px;
  margin-left: 16px;
}
.footer .footer_bottom .search_bolck .share_box .icon img {
  display: block;
  width: 100%;
  height: 100%;
}
.footer .copyright {
  font-weight: 400;
  font-size: 12px;
  color: #FFFFFF;
  line-height: 17px;
  margin-top: 18px;
}
.login_bg {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  display: none;
}
.login_block {
  display: none;
  position: fixed;
  left: 50%;
  top: 50%;
  width: 75%;
  transform: translate(-50%, -50%);
  background: url(../images/bg2.png) no-repeat;
  background-size: 100% 100%;
  z-index: 9999;
}
.login_block .login_body .login_left {
  width: 45%;
  padding: 13px;
}
.login_block .login_body .login_left img {
  display: block;
  width: 100%;
}
.login_block .login_body .login_right {
  width: 55%;
  padding: 0;
}
.login_block .login_body .login_right .login_form {
  width: 80%;
  margin: 0 auto;
  box-shadow: 0px 1px 8px 0px rgba(21, 102, 255, 0.08);
  border-radius: 14px;
  padding: 50px 75px;
  background: #FFFFFF;
}
.login_block .login_body .login_right .login_form .title {
  font-weight: 500;
  font-size: 34px;
  color: rgba(0, 0, 0, 0.9);
  line-height: 42px;
  text-align: center;
  position: relative;
}
.login_block .login_body .login_right .login_form .title::before {
  content: '';
  display: block;
  width: 96px;
  height: 12px;
  background: url(../images/login_02.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  left: 50%;
  bottom: -5px;
  margin-left: -48px;
}
.login_block .login_body .login_right .login_form .group_box {
  margin-top: 60px;
}
.login_block .login_body .login_right .login_form .group_box .item {
  margin-bottom: 25px;
}
.login_block .login_body .login_right .login_form .group_box .tt {
  font-weight: 600;
  font-size: 14px;
  color: rgba(0, 0, 0, 0.9);
  line-height: 22px;
  margin-bottom: 5px;
}
.login_block .login_body .login_right .login_form .group_box .input_box {
  height: 40px;
  background: #F8F9FB;
  box-shadow: 0px 1px 0px 0px #F2F4F5;
  border-radius: 5px 5px 5px 5px;
  border: 1px solid #F3F3F3;
  padding: 0 15px;
  position: relative;
}
.login_block .login_body .login_right .login_form .group_box .input_box .input {
  display: block;
  width: 100%;
  height: 100%;
  background: transparent;
  appearance: none;
}
.login_block .login_body .login_right .login_form .group_box .input_box .icon {
  width: 40px;
  height: 40px;
  position: absolute;
  right: 0;
  top: 0;
  background: url(../images/icon_down.png) no-repeat;
  background-position: center center;
  background-size: 20px 20px;
  cursor: pointer;
}
.login_block .login_body .login_right .login_form .group_box .input_box .grade_box {
  position: absolute;
  top: 39px;
  left: 0;
  width: 100%;
  background: #fff;
  box-shadow: 0px 1px 8px 0px rgba(31, 122, 183, 0.08);
  z-index: 100;
  padding: 0 10px;
  display: none;
  height: 120px;
  overflow-y: scroll;
}
.login_block .login_body .login_right .login_form .group_box .input_box .grade_box .li {
  padding: 8px;
  line-height: 25px;
  border-top: 1px solid #1F7AB7;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
}
.login_block .login_body .login_right .login_form .group_box .input_box .grade_box .li:first-child {
  border-top: 0;
}
.login_block .login_body .login_right .login_form .group_box .input_box .grade_box .li.on {
  font-weight: bold;
  color: #1F7AB7;
}
.login_block .login_body .login_right .login_form .group_box .input_box .grade_box .li.on::after {
  content: '✔️';
  display: block;
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #1F7AB7;
  font-size: 16px;
}
.login_block .login_body .login_right .login_form .group_box .code_box .input_box {
  flex: 1;
}
.login_block .login_body .login_right .login_form .group_box .code_box .btn_send {
  width: 110px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background: #1F7AB7;
  border-radius: 85px;
  font-weight: 400;
  font-size: 14px;
  color: #FFFFFF;
  margin-left: 10px;
  cursor: pointer;
}
.login_block .login_body .login_right .login_form .group_box .agree_box {
  display: flex;
}
.login_block .login_body .login_right .login_form .group_box .agree_box label {
  height: 16px;
  line-height: 16px;
  cursor: pointer;
  margin-top: 4px;
}
.login_block .login_body .login_right .login_form .group_box .agree_box input {
  display: none;
}
.login_block .login_body .login_right .login_form .group_box .agree_box input[type="checkbox"]:checked + span {
  background: #1F7AB7;
  border-color: #1F7AB7;
}
.login_block .login_body .login_right .login_form .group_box .agree_box .checkbtn {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 35px 35px 35px 35px;
  border: 1px solid #DCDCDC;
  position: relative;
}
.login_block .login_body .login_right .login_form .group_box .agree_box .checkbtn::after {
  content: '';
  border: 1px solid #fff;
  border-left: 0;
  border-top: 0;
  width: 4px;
  height: 9px;
  position: absolute;
  top: 1px;
  left: 5px;
  transform: rotate(45deg) scaleY(0);
  transition: transform 0.15s ease-in 0.05s;
}
.login_block .login_body .login_right .login_form .group_box .agree_box input[type="checkbox"]:checked + span::after {
  transform: rotate(45deg) scaleY(1);
}
.login_block .login_body .login_right .login_form .group_box .word {
  flex: 1;
  margin-left: 5px;
  font-weight: 400;
  font-size: 14px;
  color: rgba(0, 0, 0, 0.6);
  line-height: 22px;
}
.login_block .login_body .login_right .login_form .group_box .word a {
  color: #1F7AB7;
  text-decoration: underline;
}
.login_block .login_body .login_right .login_form .group_box .btn_submit {
  height: 45px;
  line-height: 45px;
  text-align: center;
  background: #1F7AB7;
  border-radius: 63px 63px 63px 63px;
  border: 1px solid #1566FF;
  font-weight: 400;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  cursor: pointer;
}