/* 新增的样式 */
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 100%;
}

/* 修改原有的.nav样式 */
.nav {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99999;
  transition: all 0.3s;
  background-color: transparent;
}
.nav .nav_item .nav_item_a {
  color: #fff;
}

.nav.scrolled,
.nav:hover {
  cursor: pointer;
  background-color: #fff;
  box-shadow: 0px 4px 4px 0px rgba(36, 46, 66, 0.03);
}

/* 修改原有的.other_nav样式 */
.other_nav {
  position: relative;
  width: 1200px;
  height: 96px;
  margin: 0 auto;
  font-size: 16px;
}

/* 确保导航项在滚动或悬停时保持白色背景 */
.nav.scrolled .nav_item .nav_item_a,
.nav:hover .nav_item .nav_item_a {
  color: #000;
}

.nav.scrolled .nav_item:hover .nav_item_a,
.nav:hover .nav_item:hover .nav_item_a {
  color: #006666;
}

/* 原有的其他样式 */
.bw {
  width: 1200px;
}

.minW {
  min-width: 1500px;
}

.height-full {
  height: 100%;
}

.header-top {
  margin-top: 96px;
}

.logo_tag {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.right_content {
  display: flex;
  align-items: center;
}

.nav_list {
  display: flex;
  align-items: center;
  height: 100%;
  a {
    text-decoration: none;
  }
}

.nav_item {
  height: 100%;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #000;
  margin-right: 16px;
  cursor: pointer;
  position: relative;
  box-sizing: border-box;
}

.nav_item:last-child {
  margin-right: 0;
}

.nav_item::after {
  content: ' ';
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  margin: 0 auto;
  width: 0;
  height: 2px;
  background-color: #006666;
  transition: all 0.1s ease;
}

.nav_item .nav_item_a {
  height: 100%;
  display: block;
  padding: 0 10px;
  color: #000;
  line-height: 96px;
}

.nav_item:hover .nav_item_a {
  color: #006666;
}

.customer_item {
  padding: 9px 0;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #111111;
  margin-left: 30px;
  position: relative;
  box-sizing: border-box;
}

.nav_item .icon {
  margin-left: 4px;
  margin-bottom: 4px;
  width: 14px;
  height: 14px;
}

.nav_bar {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: scaleY(0) translateX(-50%);
  transform-origin: 0 0;
  transition: all 0.3s ease-out;
  visibility: hidden;
  opacity: 0;
  box-shadow: 0px 10px 16px 0px rgba(55, 99, 170, 0.1);
  border-radius: 0px 0px 4px 4px;
}

.content_nav {
  width: 100vw;
  min-height: 472px;
  margin: auto;
  padding: 40px;
  background: #ffffff;
  border-top: 1px solid #000;
}

.opacity_class {
  width: 100%;
  height: 25px;
  opacity: 0;
}

.nav_bar .content_nav .market,
.information,
.understand {
  display: none;
}

.class_list {
  margin: auto;
  width: 1200px;
  display: flex;
  justify-content: space-between;
}

.class_list .item {
  padding-bottom: 19px;
  width: 294px;
  border-bottom: 1px solid #e9e9e9;
  font-size: 16px;
  font-weight: 400;
  color: #101112;
}

.product_list {
  margin: auto;
  width: 1200px;
  display: flex;
  justify-content: space-between;
}

.product_list a {
  cursor: pointer;
  margin-top: 24px;
  padding: 16px 14px;
  display: block;
  width: 304px;
  height: 72px;
  border-radius: 4px;
}

.product_list a:hover {
  background: #f6f6f6;
}

.product_list .application {
  display: flex;
}

.product_list .application .icon {
  margin-right: 10px;
  width: 40px;
  height: 40px;
  margin-top: 2px;
}

.product_list .application .icon_img {
  margin-right: 10px;
  width: 40px;
  height: 40px;
}

.product_list .application .icon img {
  width: 100%;
  height: 100%;
}

.product_list .application .icon_img img {
  width: 100%;
  height: 100%;
}

.product_list .application .title {
  font-size: 16px;
  font-family: PingFang SC, Microsoft YaHei;
  font-weight: 400;
  color: #111111;
  line-height: 24px;
}

.product_list .application .value {
  font-size: 12px;
  font-family: PingFang SC, Microsoft YaHei;
  font-weight: 400;
  color: #666666;
  line-height: 20px;
}

.topic-switch {
  display: flex;
  position: absolute;
  right: 4px;
  width: 328px;
  height: 96px;
  padding: 32px 64px;
  margin-right: -170px;
  text-align: center;
  box-sizing: border-box;
  background: url('https://res.mutouyun.com/web/images/v2/service-switch-bg.png') no-repeat;
  background-size: 328px 96px;
}

.topic-switch .left-btn,
.topic-switch .right-btn {
  display: block;
  width: 96px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  font-size: 14px;
  font-weight: 400;
  color: #006666;
  background: #ffffff;
  border: 1px solid #006666;
  box-sizing: content-box;
}

.topic-switch .check-btn {
  background-color: #006666;
  color: #fff;
  border-radius: 0px 2px 2px 0px;
}

.pass_event {
  position: relative;
}

.free_trial_btn_wrap {
  display: flex;
  align-items: center;
  position: relative;
  height: 100%;
}

.free_trial_btn_wrap:hover .arrow {
  transform: rotate(180deg);
}

.free_trial_btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 140px;
  height: 40px;
  background: #006666;
  border-radius: 99px;
}

.free_trial_btn span {
  font-weight: 400;
  font-size: 16px;
  color: #ffffff;
  font-family: Microsoft YaHei;
}

.free_trial_btn img {
  width: 14px;
  height: 14px;
  margin-left: 6px;
}

.free_trial_btn .arrow_img {
  display: flex;
  align-items: center;
  justify-content: center;
}

.free_trial_item_btn img {
  display: none;
}

.free_trial_nav .free_trial_item:hover .free_trial_item_btn {
  background: #006666;
  width: 82px;
  color: #ffffff;
}

.free_trial_nav .free_trial_item:hover .free_trial_item_btn img {
  display: block;
  width: 16px;
  height: 12px;
}

.free_trial_nav_wrap {
  position: absolute;
  top: 96px;
  right: 0;
  width: 657px;
  height: 0;
  transition: all 0.3s;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  cursor: default;
  background-color: #fff;
  overflow: hidden;
  font-family: Microsoft YaHei;
  border-radius: 0px 0px 3px 3px;
}

.free_trial_nav {
  padding: 8px 0;
}

.free_trial_nav .free_trial_item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 54px;
}

.free_trial_nav .free_trial_item:hover {
  background: #f3f4f6;
  cursor: pointer;
}

.free_trial_item_content {
  display: flex;
  align-items: center;
}

.free_trial_item_content .icon_img {
  width: 40px;
  height: 40px;
  margin-right: 16px;
}

.free_trial_item_content .free_trial_item_title {
  font-size: 16px;
  color: #111111;
}

.free_trial_nav .free_trial_item:hover .free_trial_item_title {
  color: #006666;
}

.free_trial_item_desc {
  font-size: 12px;
  color: #666666;
  line-height: 20px;
}

.free_trial_nav .free_trial_item:hover .free_trial_item_desc {
  color: #000000;
}

.free_trial_item_btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 69px;
  height: 30px;
  border-radius: 50px;
  border: 1px solid #006666;
  font-weight: 400;
  font-size: 14px;
  color: #006666;
}

.free_trial_nav_wrap.active {
  height: auto;
  opacity: 1;
  visibility: visible;
}

.new_nav_bar {
  position: absolute;
  height: 0;
  transition: all 0.3s;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  cursor: default;
  background-color: #fff;
  overflow: hidden;
  border-radius: 0px 0px 3px 3px;
}

.new_nav_bar.product_list_box {
  position: fixed;
  left: 0;
  top: 96px;
  width: 100vw;
  height: 0;
  transition: all 0.3s ease-out;
}

.new_nav_bar.product_list_box.active {
  height: auto;
  opacity: 1;
  visibility: visible;
}

.nav_product_list_wrap {
  display: flex;
  padding: 40px 0;
  margin: 0 auto;
}

.nav_product_list {
  width: 260px;
  margin-right: 54px;
}

.nav_product_list:last-child {
  margin-right: 0;
}

.nav_product_list .nav_product_list_title {
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 16px;
  color: #000;
  line-height: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #d8d8d8;
}

.nav_product_list .nav_product_list_content {
  width: 100%;
  margin-top: 24px;
}

.nav_product_list .nav_product_list_item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 14px;
  cursor: pointer;
  margin-bottom: 24px;
}

.nav_product_list .nav_product_list_item:last-child {
  margin-bottom: 0;
}

.nav_product_list .nav_product_list_item:hover {
  background: #f6f6f6;
  border-radius: 4px 4px 4px 4px;
}

.nav_product_list_item .icon_img {
  width: 40px;
  height: 40px;
}

.nav_product_list_item .item_content {
  font-family: Microsoft YaHei;
  margin-left: 8px;
  font-weight: 400;
  font-size: 16px;
  color: #000;
  line-height: 24px;
}

.nav_product_list_item .item_content_desc {
  font-size: 12px;
  color: #666666;
  line-height: 20px;
}

.new_nav_bar.new_nav_bar_solution {
  width: 224px;
}

.new_nav_bar.new_nav_bar_service,
.new_nav_bar.new_nav_bar_understand {
  width: 180px;
}

.new_nav_bar.new_nav_bar_solution,
.new_nav_bar.new_nav_bar_service,
.new_nav_bar.new_nav_bar_understand {
  position: absolute;
  left: -50%;
  top: 96px;
  height: 0;
  transition: all 0.3s ease-out;
  opacity: 0;
  visibility: hidden;
}

.new_nav_bar.new_nav_bar_solution.active,
.new_nav_bar.new_nav_bar_service.active,
.new_nav_bar.new_nav_bar_understand.active {
  height: auto;
  opacity: 1;
  visibility: visible;
}

.item_short {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 16px 0;
  background: #ffffff;
  font-size: 16px;
  color: #000000;
  cursor: pointer;
}

.item_short:hover {
  background: #f3f4f6;
  color: #006666;
}