* {
  margin: 0;
  padding: 0;}
ul {
  list-style: none;}
a {
  text-decoration: none;
  color: #000;}
/* header */
.nav {
  min-width: 1400px;
  height: 224px;
  margin: 0 auto;
  box-sizing: border-box;
  background: url(../../images/navbg.png) no-repeat center;}
.header {
  width: 1400px;
  height: 202px;
  display: flex;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;}
.banner {
  max-width: 1920px;
  min-width: 1400px;
  margin: 0 auto;
  border-top: 6px solid hsla(358, 75%, 40%, 1);}
.search {
  position: relative;}
.search input {
  width: 264px;
  height: 36px;
  border-radius: 5px;
  border: 1px solid #e6e6e6;
  padding-left: 19px;
  box-sizing: border-box;
  outline: none;}
.search input::placeholder {
  color: hsla(0, 0%, 0%, 0.35);
  letter-spacing: 5%;
  font-size: 14px;
  font-family: "苹方";}
.search img {
  position: absolute;
  right: 13px;
  top: 8px;
  cursor: pointer;}
.nav > ul {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 1400px;
  margin: -35px auto 0;}
.nav > ul > li > a:hover {
  font-weight: 600;
  color: hsla(359, 94%, 35%, 1);}
.nav ul a {
  color: hsla(0, 0%, 0%, 0.851);
  font-size: 18px;
  font-family: "苹方";}
.nav ul li {
  width: 72px;
  height: 54px;
  line-height: 54px;}
/* .nav ul li:hover {
  background-color: aliceblue;
} */
.nav ul li:hover ul {
  display: block;}
.nav ul li ul {
  display: none;}
.nav ul li ul li {
  width: 140px;
  height: 40px;
  line-height: 40px;
  background-color: aliceblue;
  text-align: center;
  position: relative;
  right: 35px;
  z-index: 999;}
/* footer */
.footer {
  min-width: 1400px;
  margin-top: 38px;
  border-top: 5px solid hsla(358, 75%, 40%, 1);
  background-color: hsla(197, 5%, 26%, 1);}
.footer-center {
  width: 1400px;
  height: 200px;
  box-sizing: border-box;
  margin: 0 auto;
  display: flex;
  padding-top: 43px;
  justify-content: space-between;}
.footer-center-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  top: -7px;}
.footer-center-right span {
  font-size: 14px;
  color: hsla(0, 0%, 62%, 1);
  line-height: 28px;
  margin-top: 6px;}
.footer .contact {
  color: hsla(39, 100%, 80%, 1);
  font-size: 18px;
  line-height: 28px;
  font-weight: 500;
  font-family: "苹方";}
.contact-english {
  margin-left: 7px;}
.footer p {
  font-family: "苹方";
  line-height: 28px;
  color: #fff;
  width: 600px;
  display: flex;
  opacity: 0.9;
  justify-content: space-between;}
.footer p span {
  width: 300px;}
.copyright {
  opacity: 0.9;
  color: #fff;
  font-size: 14px;
  line-height: 28px;
  margin-top: 20px;}
.footer-center-center {
  padding: 19px 0 0 52px;
  box-sizing: border-box;}
.link-Friendship {
  display: flex;
  justify-content: space-between;}
.link-Friendship .link-item1 {
  position: relative;
  width: 264px;
  height: 42px;
  cursor: pointer;
  line-height: 42px;
  user-select: none;
  background-color: hsla(225, 33%, 98%, 1);}
.link-Friendship .link-item1 a {
  box-sizing: border-box;
  display: inline-block;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 30px;
  padding-left: 10px;}
.link-Friendship .link-item1 span {
  padding-left: 10px;}
.link-Friendship i {
  position: absolute;
  top: 5px;
  right: 15px;
  display: block;
  width: 20px;
  height: 20px;
  background: url(../../images/jinglingtu.png) no-repeat -6px -200px;}
.link-Friendship .link-item1 ul {
  max-height: 200px;
  overflow: auto;
  box-sizing: border-box;
  border: 1px solid #000;
  display: none;
  position: relative;
  z-index: 100;
  background-color: #fff;}
.link-Friendship .link-active ul {
  display: block;}
.link-Friendship .link-item2 {
  background-color: #fff;
  line-height: 30px;}
.link-Friendship .link-item2-active a {
  color: #fff;}
.link-Friendship .link-item2-active {
  background-color: #1967d2;}