.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1001;
}
.nav-pc {
  display: block;
  width: 100%;
  transition: all 0.3s ease-out;
  -webkit-transition: all 0.3s ease-out;
  -moz-transition: all 0.3s ease-out;
  -o-transition: all 0.3s ease-out;
  -ms-transition: all 0.3s ease-out;
}
.nav-pc-top {
  height: 76px;
  background: #1885ed;
  transition: all 0.3s ease-out;
}
.nav-pc-top.scrolled {
  height: 60px;
}
.logo {
  transition: all 0.3s ease-out;
}
.logo.scrolled {
  transform: scale(0.8);
}
.input-box {
  width: 475px;
  height: 47px;
  background: #ffffff;
  border-radius: 3px 3px 3px 3px;
  position: relative;
}
.input-box input {
  position: absolute;
  left: 0;
  width: 100%;
  height: 100%;
  padding-left: 18px;
  padding-right: 46px;
  outline: none;
  border: none;
}

.input-box img {
  position: absolute;
  right: 20px;
  top: 13px;
}

.dropdown {
  position: relative;
}
.trigger-btn {
  cursor: pointer;
}
.trigger-btn span {
  color: #ffffff;
  margin-left: 10px;
}
/* 下拉菜单容器 语言切换*/
.dropdown-menu-yu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border-radius: 3px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  min-width: 107px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
  padding: 6px 0;
}

/* 下拉菜单顶部三角 */
.dropdown-menu-yu::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 6px solid #fff;
  filter: drop-shadow(0 -2px 2px rgba(0, 0, 0, 0.05));
}
.dropdown-menu-yu a {
  width: 100%;
  display: block;
  text-align: center;
}
/* 菜单项样式 */
.menu-item {
  padding: 6px 13px;
  color: #333;
  font-family: Arial, sans-serif;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.menu-item:first-child {
  border-radius: 6px 6px 0 0;
}

.menu-item:last-child {
  border-radius: 0 0 6px 6px;
}
.menu-item:hover {
  color: #1885ed;
}
/* 显示状态 */
.dropdown-menu-yu.show {
  opacity: 1;
  visibility: visible;
  top: calc(100% + 8px);
}
/* nav菜单项 */
.menu_main {
  height: 52px;
  display: flex;
  margin-left: 18px;
  transition: all 0.3s ease-out;
}
.menu_main.scrolled {
  height: 45px;
}
.menu_main .main_li {
  margin: 0 0px;
  position: relative;
  margin-right: 62px;
  transition: all 0.3s ease-out;
}
.menu_main.scrolled .main_li {
  margin-right: 40px;
}
.menu_main .main_li .main_a {
  font-weight: bold;
  color: #000000;
  position: relative;
  transition: all 0.5s ease-in-out;
}
.menu_main.scrolled .main_li .main_a {
  font-size: 15px;
}

.menu_main li.main_li.active .main_a {
  color: #1885ed;
}

.menu_main li.main_li:hover .main_a {
  color: #1885ed;
}

/* 下拉菜单 */

.dropdown-btn {
  position: relative;
}

.dropdown-menu {
  visibility: hidden;
  padding: 8px 0;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 160px;

  background: #fff;
  /* border-radius: 8px; */
  box-shadow: 1px 2px 1px #dedede;
  overflow: hidden;
  max-height: 0;
  /* border: 1px solid transparent; */
  transition: all 0.5s ease-out;
  -webkit-transition: all 0.5s ease-out;
  -moz-transition: all 0.5s ease-out;
  -o-transition: all 0.5s ease-out;
  -ms-transition: all 0.5s ease-out;
}

.main_li:hover .dropdown-menu {
  visibility: visible;
  max-height: 500px;
  margin-top: 10px;
  /* border: 1px solid #dedede; */
}
.dropdown {
  width: 100px;
  position: relative;
}
.dropdown-item {
  text-align: center;
  padding: 16px 10px;
  color: #333;
  text-decoration: none;
  display: block;
  transition: all 0.2s;
  font-size: 16px;
}

.dropdown-item:hover {
  color: #1885ed;
}
.nav-pc-b {
  width: 100%;
  background: #ffffff;
box-shadow: 0px 3px 6px 1px rgba(0,0,0,0.11);
  transition: all 0.3s ease-out;
}
.nav-pc-b.scrolled {
  height: 42px;
}
.safe_box {
  position: relative;
}

/* 产品中心导航面板 */
.product-drop {
  visibility: hidden;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 39px 60px;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  opacity: 0;
  height: 442px;
  padding: 39px 60px;
  transition: opacity 0.3s ease;
  -webkit-transition: opacity 0.3s ease;
  -moz-transition: opacity 0.3s ease;
  -o-transition: opacity 0.3s ease;
  -ms-transition: opacity 0.3s ease;
  z-index: 1002;
  border-radius: 0px 0px 10px 10px;
}

.product-drop.show {
  visibility: visible;
  opacity: 1;
}

/* 遮罩层 */
.product-overlay {
  position: fixed;
  top: 128px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
  -webkit-transition: opacity 0.3s ease;
  -moz-transition: opacity 0.3s ease;
  -o-transition: opacity 0.3s ease;
  -ms-transition: opacity 0.3s ease;
  z-index: 1000;
  pointer-events: none;
}

.product-overlay.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.pro-l {
  width: 60%;
  display: flex;
}

.drop-l,
.drop-r {
  flex: 1;
}
.drop-r {
  margin-left: 36px;
}
.drop-l p,
.drop-r p {
  font-size: 16px;
  font-weight: bold;
  color: #000000;
  margin-bottom: 38px;
}

.drop-l-ul,
.drop-r ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.drop-l-ul li,
.drop-r ul li {
  margin-bottom: 20px;
}

.drop-l-ul li a,
.drop-r ul li a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #000000;
  font-size: 16px;
  transition: color 0.2s;
}

.drop-l-ul li a:hover,
.drop-r ul li a:hover {
  color: #1885ed;
}

.yuan {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d1d1d1;
  margin-right: 10px;
   flex-shrink: 0;
  -webkit-flex-shrink: 0;
}
.drop-l-ul li:hover .yuan {
  background: #1885ed;
}
.pro-r {
}

.pro-r img {
  width: 100%;
  height: auto;
  display: block;
  max-width: 554px;
}

.place-box {
  height: 128px;
}
.nav-phone {
  width: 100%;
  display: none;
  background: #fff;
}

/* 面包屑 */
.breadcrumb {
  width: 100%;
  padding: 30px 0;
  color: #717171;
  overflow-x: scroll;
}
.breadcrumb-detail .block_sj {
  display: block;
}
.breadcrumb-detail .block_pc {
  display: none;
}
.breadcrumb a {
  margin: 0 10px;
}

.breadcrumb li {
   flex-shrink: 0;
  -webkit-flex-shrink: 0;
  -webkit-flex-shrink: 0;
  -webkit-flex-shrink: 0;
  /* Safari */
  -ms-flex-shrink: 0;
  -webkit-flex-shrink: 0;
  /* IE10 */
  font-size: 16px;
  color: #717171;
  font-weight: bold;
}

.breadcrumb a {
  font-size: 16px;
  color: #717171;
    font-weight: bold;
}
.breadcrumb-detail li {
  font-weight: bold;
  font-size: 16px;
}
.breadcrumb-detail a {
  font-weight: bold;
  font-size: 16px;
}
/* .breadcrumb .active {
  font-size: 14px;
  color: #fff;
} */

.breadcrumb a:hover {
  color: #1885ed;
}

.sub_box {
  width: 100%;
  height: 84px;
  background: #ffffff;
  border-radius: 8px 8px 8px 8px;
  padding: 29px 54px;
  display: flex;
  align-items: center;
  bottom: 31px;
}