.w1624 {
  max-width: 1624px;
  margin: 0 auto;
  width: 85%;
  display: flex;
}
.w1440 {
  max-width: 1440px;
  margin: 0 auto;
  width: 75%;
}
.w1440_1 {
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}
.w1680 {
  max-width: 1680px;
  width: 88%;
  margin-left: 12%;
}
.w1194 {
  max-width: 1194px;
  margin: 0 auto;
  width: 63%;
  display: flex;
}
html {
  scroll-behavior: smooth;
}
.head_pc {
  position: fixed;
  z-index: 999;
  transition: 1s ease-out, top 0s;
  border-bottom: 1px solid #ffffff86;
  transition: 0.5s;
  background-color: #fff;
}
.head_pc.scroll_head {
  transition: 0.5s;
  position: fixed;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}
.head_pc.scroll_head .w1440_1 {
  line-height: 70px;
}
.head_pc .w1440_1 {
  display: flex;
  justify-content: space-between;
  text-align: right;
  transition: 1s ease-out, top 0s;
  z-index: 9999;
  line-height: 90px;
}
.head_pc .w1440_1 .logo {
  width: 15%;
  text-align: left;
}
.head_pc .w1440_1 .logo img {
  width: 70%;
  vertical-align: middle;
}
.head_pc .w1440_1 .nav {
  width: 50%;
  text-align: right;
  margin: auto 0;
}
.head_pc .w1440_1 .nav .ul2 {
  flex-direction: column;
  line-height: 50px;
  display: none;
}
.head_pc .w1440_1 .nav .ul2 a.hover::before,
.head_pc .w1440_1 .nav .ul2 a:hover::before {
  display: none;
  height: 13px;
}
.head_pc .w1440_1 .nav ul {
  display: flex;
  justify-content: space-between;
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #000;
  letter-spacing: 0;
  font-weight: 400;
}
.head_pc .w1440_1 .nav ul .li1 {
  position: relative;
}
.head_pc .w1440_1 .nav ul .li1 a.hover,
.head_pc .w1440_1 .nav ul .li1 a:hover {
  color: #017AC1;
}
.head_pc .w1440_1 .lanuage {
  padding-left: 35px;
}
.head_pc .w1440_1 .lanuage a {
  width: 66px;
  line-height: 32px;
  display: inline-block;
  text-align: center;
  border: 1px solid #fff;
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
}
.head_pc .w1440_1 .lanuage a:nth-child(1) {
  margin-right: 10px;
  background: #db251c;
  border-color: #db251c;
}
.head_pc .w1440_1 .lanuage a:hover {
  background: #db251c;
  border-color: #db251c;
}
.pub_more {
  width: 200px;
  line-height: 64px;
  text-align: center;
  border-radius: 6px;
  font-size: 18px;
  color: #fff;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.5);
  transition: 0.3s;
}
.pub_more:hover {
  background: #db251c;
  border-color: #db251c;
}
.pub_title {
  text-align: center;
  color: #fff;
}
.pub_title .cn {
  font-size: 40px;
  font-weight: lighter;
  line-height: 28px;
}
.pub_title .en {
  font-size: 26px;
  line-height: 3.07em;
  margin-bottom: 53px;
}
.pub_padding {
  padding: 8.8% 0;
}
.cc_botton {
  margin: 25px 0 0 0;
}
.cc_top {
  text-align: center;
}
@font-face {
  font-family: PingFangSC-Medium;
  src: url(../css/fonts/PINGFANG-MEDIUM.TTF);
}
@font-face {
  font-family: PingFangSC-Regular;
  src: url(../css/fonts/PINGFANG-REGULAR.TTF);
}
@font-face {
  font-family: PingFangSC-Semibold;
  src: url(../css/fonts/PingFang.ttc);
}
* {
  font-family: PingFangSC-Medium;
  box-sizing: border-box;
}
.phone1 {
  display: flex;
  align-items: center;
}
.phone1 .p1 {
  font-family: PingFangSC-Regular;
  font-size: calc(12px + 0.3vw);
  color: #000000;
  letter-spacing: 0;
  font-weight: 400;
  margin-left: 10px;
}
.langBox {
  display: flex;
}
.langBox span {
  color: #000000;
  cursor: pointer;
}
.langBox a {
  color: #777777;
}
@media screen and (min-width: 1150px) and (max-width: 1500px) {
  .w1440_1 {
    max-width: 1440px;
    margin: 0 auto;
    width: 80%;
  }
}
@media screen and (min-width: 1150px) and (max-width: 1500px) {
  .head_pc .w1440_1 .nav {
    width: 55%;
    text-align: right;
    margin: auto 0;
  }
  .head_pc .w1440_1 .logo img {
    width: 85%;
    vertical-align: middle;
  }
}