html body {
  padding-top: 0px !important;
} /* 新的头部 */
.header_v4 {
  position: relative;
  top: 0;
  z-index: 9998;
  width: 100%;
  box-shadow: 3px 3px 4px 0px rgba(0, 0, 0, 0.1);
}
.header_v4_hidden {
  position: fixed;
  z-index: 9998;
  top: 0;
  height: 0;
  overflow: hidden;
}
.header_v4_hidden.transition {
  transition: all 0.2s linear;
}
.header_v4 .header_container {
  /* width: 1200px; */
  margin-left: 400px;
  margin-right: 140px;
}
.header_v4 .header_top .header_container > ul {
  float: left;
  width: 50%;
  height: 100%;
}
.header_v4 .header_top ul.right {
  text-align: right;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.header_v4 .header_top .header_container > ul > li {
  position: relative;
  display: inline-block;
  line-height: 34px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
}
.header_v4 .header_top ul li.h_code:hover .dropdown_box {
  width: 164px;
  height: 172px;
}
.header_v4 .header_top ul li.h_home:hover .dropdown_box {
  height: 410px;
}
.header_v4 .header_top ul li.rt_bd {
  margin-right: 10px;
  padding-right: 11px;
}
.header_v4 .header_top ul li.rt_bd:not(:first-child):after {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  content: "";
  display: block;
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.25);
}
.header_v4 .header_top ul li.pd25 {
  padding-left: 25px;
}
.header_v4 .header_top ul li img.icon {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  margin: auto;
}
.header_v4 .header_top ul li img.header_dropdown {
  float: right;
  margin: 10px 0 10px 6px;
}
.header_v4 .header_top ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}
.header_v4 .header_top ul li a:hover {
  color: #fff;
}
#cnzz_stat_icon_1279875059 {
  display: none;
}
#cnzz_stat_icon_1279891284 {
  display: none;
}
.userInfo {
  position: relative;
  display: inline-block;
}

.header_v4 .header_middle {
  background: #fff;
  padding-top: 21px;
}
.header_v4 .header_middle .logo {
  width: 226px;
  margin-right: 8px;
  padding: 0;
}

.deposit_box {
  position: relative;
}
.deposit_box img {
  width: 66px;
  height: 20px;
  position: absolute;
  right: -2px;
  top: -8px;
}

.header_v4 .h_v4_btn {
  display: block;
  font-size: 16px;
  text-align: center;
  border: none;
  margin: 0;
}

.header_v4 .h_v4_btn.lk_recharge,
.header_v4 .h_v4_btn.lk_command {
  width: 100px;
  height: 40px;
  line-height: 38px;
  font-weight: bold;
  border: 1px solid #059669;
  border-radius: 23px;
}
.header_v4 .h_v4_btn.lk_recharge {
  background: #059669;
  margin: 3px 20px 3px 14px;
  color: #fff;
  font-weight: bold;
}
.header_v4 .h_v4_btn.lk_recharge:hover {
  background: #059669;
  font-weight: bold;
}
.header_v4 .h_v4_btn.lk_command:hover {
  background: #059669;
  color: #fff;
  font-weight: bold;
}
.header_v4 .h_v4_btn.lk_command {
  background: #fff;
  margin: 3px 0;
  color: #059669;
}
.header_v4 .header_middle #auto {
  position: absolute;
  top: 40px !important;
  left: 10px !important;
  width: 80% !important;
  z-index: 999;
}
.header_v4 .header_middle .keyitem {
  height: 32px;
  line-height: 32px;
  background: #fff;
  padding-left: 10px;
  font-size: 14px;
  color: rgba(0, 0, 0, 0.45);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.header_v4 .header_bottom {
  z-index: 9999;
  width: 100%;
  height: 100px;
  background: #fff;

  transition: all 0.8s linear;
  overflow: hidden;
}
.header_v4 .header_bottom .header_container {
  display: flex;
  flex-wrap: nowrap;
  padding-top: 40px;
  justify-content: space-between;
}
.header_v4 .header_bottom .newHeader {
  justify-content: flex-start;
}
.header_bottom .newHeader {
  justify-content: flex-start;
}
.header_v4 .header_bottom .newHeader li {
  margin-right: 40px;
}
.header_bottom .newHeader li {
  margin-right: 40px;
}
.header_v4 .header_bottom li {
  position: relative;
  display: inline-block;
  height: 30px;
  line-height: 22px;
  padding: 0 0 8px;
}
.header_v4 .header_bottom li a {
  font-size: 16px;
  color: #424242;
  font-weight: bold;
}
.header_v4 .header_bottom li a:hover {
  color: #059669;
}
.header_v4 .header_bottom li.active a {
  color: #059669;
}
.header_v4 .header_bottom li.active:after {
  position: absolute;
  bottom: 0;
  left: 0;
  content: "";
  display: block;
  width: 100%;
  height: 3px;
  background: #059669;
}
.header_v4 .header_bottom .h_recomend {
  position: relative;
  top: -10px;
  right: -2px;
}
.header_v4 .header_bottom .h_recomend .recomend_img {
  position: absolute;
  width: 50px;
  left: -28px;
  top: -12px;
}
.header_v4 .header_bottom .h_recomend:after {
  content: "";
  display: block;
  position: absolute;
  top: 50%;
  left: -6px;
  transform: translateY(-50%);
  border: 3px solid transparent;
}
.enterprise-left {
  width: 228px;
  height: 462px;
  background: #f5fbfb;
  box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
  padding: 21px 0;
  font-size: 14px;
  font-family: PingFangSC-, PingFang SC;
  color: #444444;
}
.enterprise-left .item {
  width: 228px;
  height: 40px;
  line-height: 40px;
  padding: 0 21px 29px;
  display: flex;
  justify-content: space-between;
}
.enterprise-left2 {
  width: 228px;
  height: 462px;
  background: #f5fbfb;
  box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
  padding: 21px 0;
  font-size: 14px;
  font-family: PingFangSC-, PingFang SC;
  color: #444444;
}
.enterprise-left2 .item {
  width: 228px;
  height: 40px;
  line-height: 40px;
  padding: 0 21px 29px;
  display: flex;
  justify-content: space-between;
}
.enterprise-left3 {
  width: 228px;
  height: 462px;
  background: #f5fbfb;
  box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
  padding: 21px 0;
  font-size: 14px;
  font-family: PingFangSC-, PingFang SC;
  color: #444444;
}
.enterprise-left3 .item {
  width: 228px;
  height: 40px;
  line-height: 40px;
  padding: 0 21px 29px;
  display: flex;
  justify-content: space-between;
}
.enterprise-highlight {
  background: #059669;
  color: #ffffff;
}
.enterprise-right {
  width: 972px;
  height: 462px;
  background: #ffffff;
  box-shadow: 2px 2px 4px 0px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
  padding: 10px 0;
  overflow-y: auto;
}
.enterprise-right2 {
  width: 972px;
  height: 462px;
  background: #ffffff;
  box-shadow: 2px 2px 4px 0px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
  padding: 10px 0;
  overflow-y: auto;
}
.enterprise-right3 {
  width: 972px;
  height: 462px;
  background: #ffffff;
  box-shadow: 2px 2px 4px 0px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
  padding: 10px 0;
  overflow-y: auto;
}
.enterprise-item-tittle {
  font-size: 14px;
  font-family: PingFangSC-, PingFang SC;
  font-weight: 700;
  color: #444444;
  line-height: 20px;
  margin: 20px 0 0 30px;
}
.enterprise-third-item {
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  color: #666666;
}
.enterprise-third-item .item {
  box-sizing: border-box;
  cursor: pointer;
  margin: 10px 30px 0;
}
.enterprise-third-item .item a {
  font-size: 14px;
}
.enterprise-third-item .item a:hover {
  color: #059669;
}
.enterprise-item-tittle a:hover {
  color: #059669;
}
.enterpriseheader-arrow-right {
  width: 9px;
  height: 15px;
  margin-top: 10px;
}
.h_swith {
  width: 90px;
  height: 24px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  padding-right: 0 !important;
  margin-right: 14px !important;
  box-sizing: border-box;
  position: relative;
}
.h_swith a {
  width: 90px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.enterprise-icon-left {
  width: 12px;
  height: 12px;
  margin: 0 2px 0 8px;
}
.enterprise-icon-right {
  width: 8px;
  height: 5px;
  margin: 0 5px 0 6px;
}
.version_box {
  width: 120px;
  height: 90px;
  background: #ffffff;
  box-shadow: 0px 0px 4px 0px rgba(0, 0, 0, 0.2);
  border-radius: 3px;
  box-sizing: border-box;
  padding: 10px;
  position: absolute;
  top: 24px;
  left: -16px;
  display: none;
  z-index: 100;
}
.version_box_show {
  display: block;
}
.version_box .enterprise_version {
  width: 100px;
  height: 32px;
  border-radius: 4px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  font-size: 14px;
  color: #555555;
  cursor: pointer;
}
.version_box .enterprise_version:hover {
  background: rgba(86, 190, 178, 0.2);
}
.version_box .school_version:hover {
  background: rgba(86, 190, 178, 0.2);
}
.version_box .enterprise_version .img1 {
  width: 14px;
  height: 14px;
  margin-right: 2px;
  margin-left: 10px;
}
.version_box .enterprise_version .img2 {
  width: 8px;
  height: 7px;
  margin-left: 10px;
}
.version_box .school_version {
  cursor: pointer;
  margin-top: 6px;
  width: 100px;
  height: 32px;
  border-radius: 4px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  font-size: 14px;
  color: #555555;
}
.version_box .school_version .img1 {
  width: 14px;
  height: 14px;
  margin-right: 2px;
  margin-left: 10px;
}
.version_box a {
  color: #555555 !important;
}
.header-weChart {
  width: 122px;
  height: 122px;
}

.header_v4 .header_middle .logo {
  width: 258px;
}

.header_v4 .category-nav {
  height: 0;
  transition: all 0.2s ease;
  position: fixed;
  z-index: -1;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  padding-top: 138px !important;
}

.header_v4 .category-nav .category-mask {
  display: none;
  position: fixed;
  z-index: -1;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
}

.header_v4 .category-nav .category-mask.show {
  display: block;
}

.header_v4 .category-nav.show {
  height: 100%;
}

.header_v4 .category-nav.shrink {
  padding-top: 100px !important;
}

.header_v4 .category-nav .category-nav-wrap {
  background: #fff;
  border-top: 1px solid #e8e8e8;
  padding-top: 5px;
  padding-bottom: 60px;
  overflow-y: auto;
}

.header_v4 .category-nav .category-nav-wrap.type2 {
  padding-bottom: 40px;
}

.header_v4 .category-nav .category-nav-wrap .category-nav-content {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  width: 960px;
  margin-left: 380px;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-drafting-item {
  width: 270px;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-drafting-item
  .nav-title {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 30px 0 0;
  text-align: center;
  font-size: 16px;
  font-family: PingFang-SC-Bold, PingFang-SC;
  color: rgba(0, 0, 0, 0.85);
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-drafting-item:not(:last-child)
  .nav-title::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 169px;
  background: #e8e8e8;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-drafting-item
  .nav-title
  img {
  width: 150px;
  margin-bottom: 16px;
}

.header_v4 .category-nav .category-nav-wrap .category-nav-simulate-title {
  font-size: 16px;
  font-family: PingFang-SC-Bold, PingFang-SC;
  font-weight: bold;
  color: #059669;
  width: 1080px;
  margin: 30px auto 0;
}

.header_v4 .category-nav .category-nav-wrap .category-nav-biologys-title {
  font-size: 16px;
  font-family: PingFang-SC-Bold, PingFang-SC;
  font-weight: bold;
  color: #059669;
  width: 1080px;
  margin: 30px auto 0;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item.category-nav-simulate-item {
  margin-top: 30px;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item.category-nav-analysis-item {
  margin-right: 38px;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item.category-nav-simulate-item,
.category-nav-item.category-nav-buffets-item {
  width: 180px;
  padding-left: 20px;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item.category-nav-simulate-item
  .nav-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 120px;
  height: 1px;
  background: #e8e8e8;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item {
  width: 180px;
  padding-left: 20px;
  margin-top: 30px;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item:nth-of-type(n + 7) {
  margin-top: 40px;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item
  .nav-title {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 0 14px;
  font-size: 14px;
  font-family: PingFang-SC-Bold, PingFang-SC;
  color: rgba(0, 0, 0, 0.85);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item
  .nav-title
  img {
  width: 24px;
  margin-right: 8px;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item
  .nav-title:hover {
  color: #059669;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item
  .nav-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 120px;
  height: 1px;
  background: #e8e8e8;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item
  .nav-child-list {
  padding: 6px 0;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item
  .nav-child-list
  .nav-child-item {
  cursor: pointer;
  margin-top: 8px;
  font-size: 14px;
  color: rgba(0, 0, 0, 0.75);
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item
  .nav-child-list
  .nav-child-item
  a {
  color: inherit;
}

.header_v4
  .category-nav
  .category-nav-wrap
  .category-nav-content
  .category-nav-item
  .nav-child-list
  .nav-child-item:hover {
  color: #059669;
}

.top-right .contact a {
  color: #ffff;
}

.top-right .contact a:hover {
  color: #777;
}

.top-left .contact a {
  color: #ffff;
}

.top-left .contact a:hover {
  color: #777;
}