.pc-header ul {
  margin: 0;
}
header::after {
  content: "";
  display: block;
  height: 100px;
}
/* .search-box {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: calc(10px + 100%);
  background-color: red;
  padding: 4px 10px;
  border-radius: 100px;
  cursor: pointer;
}

.search-box img {
  width: 24px;
  height: 24px;
} */

header .mask-layer {
  display: none;
  width: 100vw;
  background: #f7f7f7;
  position: fixed;
  z-index: 9999;
}
header .mask-layer .icon-wrap {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
header .mask-layer .icon-wrap img {
  width: 24px;
  height: 24px;
}

header .mask-layer .icon-wrap:hover {
  cursor: pointer;
  color: #028bff;
}

header .mask-layer .search-wrapper {
  position: relative;
  z-index: 2;
  padding: 40px 100px;
}
header .mask-layer .search-wrapper h3 {
  font-size: 24px;
  color: #232323;
  font-weight: 700;
  margin-bottom: 20px;
  text-align: center;
}
header .mask-layer .search-wrapper .flex-row-center {
  display: flex;
  justify-content: center;
  align-items: center;
}
header .mask-layer .search-wrapper input {
  width: 40%;
  box-shadow: none;
  border: none;
  background: #fff;
  border-radius: 0;
  color: #808080;
  height: 40px;
  line-height: 40px;
  padding: 0 45px 0 15px;
  text-align: left;
  font-size: 12px;
}
header .mask-layer .search-wrapper button {
  width: calc(10% - 20px);
  margin-left: 20px;
  align-self: stretch;
  border: none;
  background-color: #31488d;
  color: white;
}
header .mask-layer .search-wrapper button:hover {
  opacity: 0.8;
}

/* 更改头部区域 */
.pc-header .main-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1760px;
  padding: 0 100px;
  margin: 0 auto;
}
.pc-header .container {
  display: none;
}
@media screen and (max-width: 768px) {
  .pc-header .main-container {
    display: none;
  }
  .pc-header .container {
    display: block;
  }
  header::after {
    height: 50px;
  }
}

@media screen and (min-width: 768px) {
  .pc-header .top_lang {
    margin-left: 14px;
    position: relative;
    margin-top: 0;
  }
}

.pc-header .main-container .logo {
  float: none;
  position: unset;
  padding: 0;
  margin: 0;
}
.pc-header .main-container .logo img {
  width: 230px;
}
.pc-header .nav-section {
  width: 60%;
}
.pc-header .nav-section .nav-list {
  display: flex;
  justify-content: space-between;
}
.pc-header .nav-section .nav-list > li {
  position: relative;
  list-style: none;
}
.pc-header .nav-section .nav-list > li > a {
  display: block;
  color: #888;
  padding: 0;
  line-height: 100px;
  height: 100px;
}

.nav-list li .nav_show li {
  line-height: 38px;
  padding: 0;
  height: 38px;
  border: 0;
}

.nav-list li .nav_show li a {
  display: block;
  width: 100%;
  white-space: nowrap;
  font-size: 14px;
  line-height: 28px;
  text-align: center;
  color: #fff;
  background: none;
  padding: 5px 10px 0;
  height: 38px;
}
.nav-list li .nav_show li a:hover {
  color: #fff;
  background: #ef1b3e;
  text-decoration: none;
}

.nav-list li .nav_show li:last-child a {
  -moz-border-radius: 0 0 8px 8px;
  -webkit-border-radius: 0 0 8px 8px;
  border-radius: 0 0 8px 8px;
}

.pc-header .nav-section .nav-list > li span {
  font-size: 16px;
  display: block;
  height: 100px;
  color: #333;
}
/* .pc-header .nav-section .nav-list > li > a:hover  {
  background: none;
  color: #2953cf;
  text-decoration: none;
} */

.pc-header .nav-section .nav-list > li:hover a {
  text-decoration: none;
}
.pc-header .nav-section .nav-list > li:hover span {
  color: #2953cf;
}

.pc-header .nav-section .sub.nav_show {
  display: block;
  z-index: 999999999;
}

.pc-header .nav-section .sub {
  display: none;
  position: absolute;
  z-index: 9999;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(41, 83, 207, 0.9);
  border-top: 0;
  width: auto;
  min-width: 150%;
  top: 100px;
  margin: 0;
  line-height: 28px;
  border-radius: 0 0 8px 8px;
}

.pc-header .search-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  cursor: pointer;
  background: #f5f5f5;
  position: relative;
  z-index: 3;
  cursor: pointer;
  transition: all 0.3s;
  border-radius: 50%;
}
.pc-header .search-icon:hover {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  /* background: #cce2fc; */
  background-color: rgba(41, 83, 207, 0.3);
}
.pc-header .search-icon img {
  width: 24px;
  height: 24px;
}
.pc-header .search-box.open .search-icon {
  display: none;
}
.pc-header .tool-list {
  margin-left: 30px;
  display: flex;
  align-items: center;
}

.pc-header .search-box {
  width: 36px;
  height: 36px;
  position: relative;
  transition: all 0.3s;
}
.pc-header .top-search {
  width: 0;
  height: 36px;
  border-radius: 20px;
  position: relative;
  z-index: 1;
  overflow: hidden;
  background: #f5f5f5;
  transition: all 0.3s;
  cursor: pointer;
}

.pc-header .top-search .form-box {
  display: flex;
  align-items: center;
}
.pc-header .top-search .search-input {
  outline: none;
  border: none;
  width: 0;
  height: 36px;
  padding: 8px 0;
  font-size: 14px;
  line-height: 20px;
  color: #333;
  background: none;
  transition: all 0.3s;
}
.pc-header .top-search .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  outline: none;
  color: #999;
  transition: all 0.3s;
}
.pc-header .search-box.open {
  width: 216px;
}
.pc-header .search-box.open .top-search {
  width: 216px;
}
.pc-header .search-box.open .top-search .search-input {
  width: 180px;
  padding: 8px 16px;
}

.pc-header .search-box.open .top-search .btn img {
  width: 24px;
  height: 24px;
}
.pc-header .top-search:hover {
  background-color: rgba(41, 83, 207, 0.1);
}

/* 处理手机端搜索 */
.pc-header .container .search-box {
  margin: 10px 0;
  margin-left: auto;
}
.pc-header .container .search-icon,
.pc-header .container .top-search {
  background-color: #fff;
}