@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/NotoSansSC-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
}
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/NotoSansSC-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
}
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/NotoSansSC-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
}
html,
body {
  font-family: 'Noto Sans SC', "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-smoothing: antialiased;
  scroll-behavior: smooth;
  -webkit-scroll-behavior: smooth;
}
header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
}
header .pc-nav {
  width: 100%;
  background-color: #fff;
  padding: 1.5% 15%;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
header .pc-nav .logo {
  display: flex;
  width: 10%;
  align-items: center;
}
header .pc-nav .nav-list {
  display: flex;
  width: 55%;
  justify-content: space-between;
  align-items: center;
}
header .pc-nav .nav-list .nav-item {
  display: flex;
}
header .pc-nav .nav-list .nav-item .nav-a {
  font-family: 'Noto Sans SC';
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  line-height: 40px;
  text-decoration: none;
  transition: color 0.3s ease, transform 0.3s ease;
  display: inline-block;
  position: relative;
}
header .pc-nav .nav-list .nav-item .nav-a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0px;
  width: 0;
  height: 2px;
  background: #0077B6;
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.35s ease;
}
header .pc-nav .nav-list .nav-item:hover .nav-a {
  color: #0077B6;
  font-weight: 600;
}
header .pc-nav .nav-list .nav-item:hover .nav-a::after {
  width: 100%;
}
header .pc-nav .nav-list .nav-item:hover .nav-sub,
header .pc-nav .nav-list .nav-item:hover .nav-svb {
  visibility: visible;
  opacity: 1;
  max-height: 20rem;
}
header .pc-nav .nav-list .nav-item.active .nav-a {
  color: #0077B6;
  font-weight: 600;
}
header .pc-nav .nav-list .nav-item.active .nav-a::after {
  width: 100%;
}
header .pc-nav .nav-list .nav-item .nav-sub {
  visibility: visible;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.5s ease, max-height 0.5s ease, visibility 0s ease 0.5s;
  position: absolute;
  left: 0;
  width: 100vw;
  background-color: #fff;
  border-radius: 4px;
  padding: 0 10%;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}
header .pc-nav .nav-list .nav-item .nav-sub .nav-svb-a {
  margin: 28px 0;
  display: block;
  width: 20%;
  text-align: center;
  font-size: 14px;
  color: #333333;
  line-height: 40px;
  text-decoration: none;
  transition: color 0.3s ease, transform 0.3s ease;
}
header .pc-nav .nav-list .nav-item .nav-sub .nav-svb-a:hover {
  color: #0077B6;
  transform: scale(1.1);
}
header .pc-nav .nav-list .nav-item .nav-svb {
  visibility: visible;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.5s ease, max-height 0.5s ease, visibility 0s ease 0.5s;
  position: absolute;
  left: 0;
  width: 100vw;
  background-color: #fff;
  border-radius: 4px;
  padding: 0 10%;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: baseline;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}
header .pc-nav .nav-list .nav-item .nav-svb .nav-svb-item {
  margin: 10px 0;
  margin-right: 10%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
header .pc-nav .nav-list .nav-item .nav-svb .nav-svb-item .nav-svb-a {
  white-space: nowrap;
  font-weight: 500;
  font-size: 16px;
  color: #333333;
  margin: 23px 0;
  transform: scale(1);
  transition: transform 0.3s ease, color 0.3s ease;
}
header .pc-nav .nav-list .nav-item .nav-svb .nav-svb-item .nav-svb-a:hover {
  color: #0077B6;
  transform: scale(1.1);
}
header .pc-nav .nav-list .nav-item .nav-svb .nav-svb-item .svb-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
header .pc-nav .nav-list .nav-item .nav-svb .nav-svb-item .svb-item .svb-a {
  white-space: nowrap;
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  margin-bottom: 16px;
  transform: scale(1);
  transition: transform 0.3s ease, color 0.3s ease;
}
header .pc-nav .nav-list .nav-item .nav-svb .nav-svb-item .svb-item .svb-a:hover {
  color: #0077B6;
  transform: scale(1.1);
}
header .pc-nav .nav-right {
  width: 20%;
  display: flex;
  justify-content: flex-end;
  /* 靠右对齐 */
  align-items: center;
}
header .pc-nav .nav-right .nav-search {
  margin-right: 20px;
  box-sizing: border-box;
  width: 175px;
  padding: 6px 14px;
  height: 35px;
  border-radius: 4px;
  border: 1px solid #DBDBDB;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header .pc-nav .nav-right .nav-search .submit {
  background: url('../images/sea.png') no-repeat center;
  background-size: cover;
  width: 15px;
  height: 15px;
  border: none;
  cursor: pointer;
}
header .pc-nav .nav-right .nav-search .search-input {
  width: 85%;
  color: #000;
  font-size: 14px;
}
header .pc-nav .nav-right .nav-search .search-input::placeholder {
  font-weight: 400;
  color: #999999;
}
header .pc-nav .nav-right .nav-search:focus-within {
  outline: none;
  border-color: #0077B6;
}
header .pc-nav .nav-right .lang-switch {
  height: 35px;
  width: 75px;
  padding: 6px 14px;
  box-sizing: border-box;
  border-radius: 4px;
  font-weight: 400;
  font-size: 14px;
  border: 1px solid #DBDBDB;
  cursor: pointer;
  position: relative;
}
header .pc-nav .nav-right .lang-switch .lang-item {
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header .pc-nav .nav-right .lang-switch .lang-item .icn {
  background: url('../images/Below.png') no-repeat center;
  width: 10px;
  height: 7px;
}
header .pc-nav .nav-right .lang-switch .lang-BOX {
  max-height: 0;
  visibility: hidden;
  overflow: hidden;
  transition: max-height 0.3s ease-in-out;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: #fff;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}
header .pc-nav .nav-right .lang-switch .lang-BOX a {
  margin: 8px 0;
  font-weight: 400;
  font-size: 14px;
  color: #666666;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}
header .pc-nav .nav-right .lang-switch .lang-BOX a:hover {
  color: #0077B6;
}
header .pc-nav .nav-right .lang-switch:hover .lang-BOX {
  max-height: 2000px;
  visibility: visible;
}
header .pc-nav .nav-right .lang-switch:hover .lang-BOX a {
  opacity: 1;
}
header .phone {
  display: none;
}
@media screen and (max-width: 1440px) {
  header .pc-nav {
    padding: 30px 10%;
  }
  header .pc-nav .nav-right .lang-switch {
    padding: 6px 10px;
  }
}
@media screen and (max-width: 1336px) {
  header .pc-nav .nav-right .lang-switch {
    width: 90px;
  }
}
@media screen and (max-width: 1024px) {
  header .pc-nav {
    padding: 20px 5%;
  }
  header .pc-nav .nav-right {
    width: 25%;
  }
  header .pc-nav .nav-right .nav-search {
    margin-right: 10px;
  }
}
@media screen and (max-width: 970px) {
  header .pc-nav {
    display: none;
  }
  header .phone {
    display: flex !important;
    width: 100%;
    flex-direction: column;
    box-sizing: border-box;
    background-color: #fff;
    align-items: center;
    box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.2);
  }
  header .phone .phone-top {
    padding: 4% 5%;
    box-sizing: border-box;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  header .phone .phone-top .phlogo {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  header .phone .phone-top .phlogo img {
    width: 110px;
  }
  header .phone .phone-top .convert {
    position: relative;
    display: flex;
  }
  header .phone .phone-top .convert .img11 {
    width: 32px;
    margin-right: 0px;
  }
  header .phone .phone-top .convert .fix {
    position: absolute;
    display: none;
    top: 100%;
    right: 0;
    width: 153px;
    text-align: left;
    background: #f3f3f3;
    z-index: 10200;
    box-shadow: 0 0 2px #666;
  }
  header .phone .phone-top .convert .fix li {
    display: flex;
    padding: 13px 17px;
    background: #fff;
    line-height: normal;
  }
  header .phone .phone-top .convert .fix li a {
    font-size: 14px;
    color: #6d6d6d;
    margin: 0 5px;
  }
  header .phone .phone-top .convert:hover .fix {
    opacity: 1;
    display: block;
  }
  header .phone .below {
    width: 100%;
    padding: 3% 5%;
    box-sizing: border-box;
    background: #f2f2f2;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  header .phone .below .search-nav-form {
    width: 85%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5% 0.5% 0.5% 2%;
    box-sizing: border-box;
    border: 1px solid #cdcdcd;
    border-radius: 5px;
    background-color: #fff;
  }
  header .phone .below .search-nav-form input {
    width: 85%;
    height: 100%;
    color: #000;
    font-size: 16px;
  }
  header .phone .below .search-nav-form input::placeholder {
    color: #666666;
  }
  header .phone .below .search-nav-form button {
    height: 35px;
    border-radius: 5px;
    width: 15%;
    background: url(../images/search.png) no-repeat center;
    background-color: #0077B6;
  }
  header .phone #elementToHide {
    z-index: 99999;
    position: absolute;
    top: 0;
    background: #333;
    width: 100vw;
    height: 100vh !important;
  }
  header .phone #elementToHide .header {
    padding: 4%;
    display: flex;
    justify-content: space-between;
  }
  header .phone #elementToHide .header span {
    color: #fff;
    font-size: 2.6875rem;
  }
  header .phone #elementToHide .header img {
    height: 100%;
  }
  header .phone #elementToHide nav {
    padding: 4%;
    box-sizing: border-box;
    margin: 0;
    display: flex !important;
    background-color: #fff;
    flex-direction: column;
    width: 100%;
  }
  header .phone #elementToHide nav ul {
    flex-direction: column;
  }
  header .phone #elementToHide nav ul li {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid;
    align-items: center;
    font-size: 5rem;
    margin-bottom: 2%;
  }
  header .phone #elementToHide nav ul li img {
    width: 5%;
    height: 23.125rem;
  }
  header .phone #elementToHide nav ul li > ::before {
    position: absolute;
    content: "";
    display: none !important;
  }
  header .phone #elementToHide nav ul li:hover > ::before {
    opacity: 1;
  }
  header .phone #elementToHide nav ul li:hover > a {
    color: #000;
  }
  header .htmleaf-container {
    display: block !important;
  }
}