.nav-box {
  width: 100%;
  transition: all 0.3s;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: rgba(18, 34, 91, 0.16) 0px 2px 21px;
  border-bottom: 1px solid #007CC3;
}

.navbar {
  padding: 0.5rem 4rem;
}

.navbar .nav-line-box {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  display: -ms-flexbox;
  -ms-flex-align: center;
  -ms-flex-pack: justify;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar .nav-line-box .nav-line1,
.navbar .nav-line-box .nav-line2 {
  height: 1px;
  background-color: #007CC3;
}

.navbar .nav-line-box .nav-line1 {
  width: 30%;
  transition: all 0.3s;
}

.navbar .nav-line-box .nav-line2 {
  width: 40%;
  transition: all 0.3s;
}

.navbar .nav-line-box .nav-point {
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 10px solid #007CC3;
}

.navbar-brand img {
  width: 162px;
  height: 50px;
}

.navbar-toggler {
  border: none;
  cursor: pointer;
}

.icon-caidan {
  font-size: 30px;
  color: #007CC3;
}

#header-navbar .navbar-collapse {
  -ms-flex-pack: center;
  justify-content: center;
}

.zn-link-right img {
  width: 20px;
  height: 20px;
}

@media (max-width: 992px) {
  .navbar {
    padding: 0.5rem 1rem;
  }

  .navbar .nav-right {
    font-size: 12px;
  }

  .zn-link-left img {
    width: 14px;
    height: 14px;
  }

  .zn-link-right img {
    width: 14px;
    height: 14px;
  }

  .navbar-brand img {
    width: 92px;
    height: 29px;
  }

  .icon-caidan {
    font-size: 26px;
  }
}

#navbarSupportedContent .nav .nav-item {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
  align-items: center;
}

#navbarSupportedContent .nav .nav-item .nav-link {
  color: #303841;
  transition: color 0.2s ease-in-out;
  padding: 0.5rem 1.8rem;
}

#navbarSupportedContent .nav .nav-item .nav-link:hover {
  color: #007CC3;
}

#navbarSupportedContent .nav-pills .nav-link.active {
  background-color: transparent;
  color: #007CC3;
  font-weight: bold;
}

.header-child-links {
  position: fixed;
  top: 77px;
  left: 0;
  width: 100%;
  background-color: #fff;
  display: -ms-flexbox;
  display: flex;
  /* padding: 30px 10%; */
  opacity: 0; /* 初始时不可见 */
  filter: alpha(opacity=0); /* IE8-IE10 兼容透明度 */
  visibility: hidden; /* 初始时隐藏 */
  transform: translateY(-10px); /* 让下拉框有一个微小的向上偏移 */
  -ms-transform: translateY(-10px); /* IE10 兼容 */
  transition: opacity 0.3s ease, visibility 0.3s, transform 0.3s ease; /* 设置平滑过渡 */
}

/* 显示下拉菜单 */
.header-child-links.show {
  opacity: 1; /* 显示时完全不透明 */
  visibility: visible; /* 显示时可见 */
  transform: translateY(0); /* 显示时恢复原位 */
}

#navbarSupportedContent .nav-pills .parent-item .header-child-links {
  background-color: #fff;
  background-repeat: no-repeat;
  background-position: right top;
  background-size: cover;
}

#navbarSupportedContent .nav-pills .parent-item:nth-child(2) .header-child-links {
  background-image: url('/imgs/nav-imgs/nav-img1.png');
}

#navbarSupportedContent .nav-pills .parent-item:nth-child(3) .header-child-links {
  background-image: url('/imgs/nav-imgs/nav-img2.png');
}

#navbarSupportedContent .nav-pills .parent-item:nth-child(4) .header-child-links {
  background-image: url('/imgs/nav-imgs/nav-img3.png');
}

#navbarSupportedContent .nav-pills .parent-item:nth-child(5) .header-child-links {
  background-image: url('/imgs/nav-imgs/nav-img4.png');
}

#navbarSupportedContent .nav-pills .parent-item:nth-child(6) .header-child-links {
  background-image: url('/imgs/nav-imgs/nav-img5.png');
}

#navbarSupportedContent .nav-pills .parent-item:nth-child(7) .header-child-links {
  background-image: url('/imgs/nav-imgs/nav-img6.png');
}

#navbarSupportedContent .nav-pills .parent-item:nth-child(8) .header-child-links {
  background-image: url('/imgs/nav-imgs/nav-img7.png');
}

.header-child-links .header-xl-left {
  width: 35%;
  margin-left: 5%;
  padding-top: 4%;
}

.header-child-links .header-xl-left .xl-left-container {
  width: 75%;
}

.header-child-links .header-xl-right {
  width: 60%;
}

.header-xl-right .title-box {
  padding: 6% 0;
  width: 100%;
}

.header-child-links .header-xl-right .parent-title {
  padding: 20px 0 55px 8%;
  box-sizing: border-box;
  border-left: 1px solid #d9d9d9;
}

.header-xl-right .parent-title .header-title {
  font-size: 34px;
  font-weight: bold;
}

.header-xl-right .parent-title .header-title-translate {
  font-size: 20px;
  color: #848484;
}

#navbarSupportedContent .header-child-links .nav .nav-item .nav-link.active {
  color: #007CC3;
}

#navbarSupportedContent .header-child-links .nav .nav-item .nav-link:hover {
  color: #007CC3;
}

#navbarSupportedContent .header-child-links .nav .nav-item .nav-link {
  color: #777777;
}

.xl-left-nav-item {
  width: 50%;
}

.header-more-btn {
  text-decoration: none;
  background: linear-gradient( 90deg, #337FEC 0%, #4AC7F6 100%);
  padding: 13px 30px;
  border-radius: 30px;
  background-color: #f5f5f5;
  color: #fff;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -ms-flex-align: center;
  -ms-flex-pack: center;
  align-items: center;
  justify-content: center;
  margin-top: 46px;
}

.header-more-btn img {
  display: block;
  width: 18px;
  height: 18px;
  margin-left: 13px;
}

.to-zn {
  display: inline-block;
  min-width: 127px;
  background: #fff;
  border-radius: 50px;
  padding: 10px 17px;
  box-shadow: 0px 3px 4px 0px rgba(156, 156, 156, 0.25);
  cursor: pointer;
}

.changeLanguage:hover {
  color: #007CC3;
}

@media (max-width: 992px) {
  .to-zn {
    min-width: auto;
  }

  .nav-box {
    border-bottom: none;
  }
}