@media screen and (max-width: 1024px) {
  .hd-nav li {
    font-size: .16rem;
    padding: 0 .15rem;
  }

  .nav-bar .logo {
    width: 2.5rem;
  }
}

@media screen and (max-width: 900px) {
  .pc-header .topbar .font-switcher {
    margin: 0 .1rem;
    padding: 0 .1rem;
  }

  .pc-header .topbar .social-net {
    margin-left: .1rem;
  }

  .pc-header .topbar .alumni-btn {
    margin-left: .1rem;
  }

  .pc-header .topbar .contact-btn {
    margin-left: .1rem;
  }

  .pc-header .topbar .contact-text {
    display: none;
  }
}

@media screen and (max-width: 992px) {
  .pc-header .topbar {
    display: none;
  }

  .pc-header .hd-nav {
    display: none;
  }

  .pc-header .tools .a {
    display: block;
  }

  .pc-header .nav-bar {
    height: .8rem;
    padding-top: 0;
    width: 100%;
  }

  .pc-header .nav-bar .wp {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0;
  }

  .pc-header .nav-bar .logo {
    width: 2.3rem;
    position: static;
  }

  .pc-header .nav-bar .logo img {
    width: 100%;
    height: auto;
    max-height: none;
  }

  .pc-header .tools {
    position: static;
  }

  .pc-header .tools .a {
    width: .24rem;
    height: .24rem;
    margin-left: .15rem;
  }

  .pc-header .menu {
    width: .24rem;
    height: .22rem;
    position: relative;
    margin-left: .15rem;
    cursor: pointer;
  }

  .pc-header .menu i {
    height: 2px;
    background: #c9a164;
    width: .26rem;
    border-radius: 1px;
    position: absolute;
    left: 0;
    transition: all 0.3s;
  }

  .pc-header .menu i:nth-child(1) {
    top: 2px;
  }

  .pc-header .menu i:nth-child(2) {
    top: 11px;
  }

  .pc-header .menu i:nth-child(3) {
    top: 20px;
  }

  .pc-header .menu.on i:nth-child(1) {
    top: 10px;
    transform: rotate(45deg);
  }

  .pc-header .menu.on i:nth-child(2) {
    opacity: 0;
  }

  .pc-header .menu.on i:nth-child(3) {
    top: 10px;
    transform: rotate(-45deg);
  }
}

@media screen and (max-width: 768px) {
  .pc-header .topbar {
    height: .5rem;
    line-height: .5rem;
  }

  .pc-header .topbar .login-btn,
  .pc-header .topbar .register-btn {
    display: none;
  }

  .pc-header .topbar .alumni-btn {
    display: none;
  }

  .pc-header .topbar .contact-btn {
    display: none;
  }

  .nav-bar .wp {
    background: none;
  }

  .nav-bar .logo {
    width: 2rem;
  }
}

@media screen and (max-width: 992px) {
  /* footer响应式 - 992px以下 */
  .footer-qr,
  .footer-social {
    display: none;
  }

  .footer-main {
    flex-wrap: wrap;
    padding: 0 0.3rem;
  }

  .footer-main .footer-address,
  .footer-main .footer-email {
    width: 50%;
    margin-bottom: 0.3rem;
  }

  .footer-main .footer-menu {
    width: 100%;
  }

  .footer-main .footer-menu ul {
    justify-content: space-between;
  }

  .footer-main .footer-menu ul li {
    width: 25%;
  }
}

@media screen and (max-width: 768px) {
  .footer-main .footer-address,
  .footer-main .footer-email {
    width: 100%;
  }

  .footer-menu {
    display: none;
  }
}

@media screen and (max-width: 480px) {
  .footer-content {
    padding: 0.2rem;
  }

  .footer-logo {
    width: 2.5rem;
  }

  .footer-main {
    padding: 0 0.2rem;
  }

  .footer-main .footer-menu ul li {
    width: 100%;
    margin-bottom: 0.1rem;
  }
}

@media screen and (max-width: 1700px) {
  .hd-nav li {
    font-size: .18rem;
    padding: 0.2rem;
  }

  .hd-nav {
    padding: 0.3rem 0;
  }

  .nav-bar .logo {
    width: 3rem;
    overflow: hidden;
  }
}

@media screen and (max-width: 1600px) {
  .pc-header .wp {
    width: 90%
  }

  .nav-bar .logo {
    width: 2.8rem;
    overflow: hidden;
  }

  .hd-nav li {
    font-size: .17rem;
    padding: 0.16rem;
  }

  .hd-nav {
    padding: 0.2rem 0;
  }

  .news-content ul li .news-text {
    font-size: .15rem;
    padding: .05rem .15rem 0 .15rem;
  }

  .news-content ul li .news-text p {
    font-size: .14rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

@media screen and (max-width: 1400px) {
  .hd-nav li {
    font-size: .17rem;
    padding: 0.12rem;
  }
}

@media screen and (max-width: 1200px) {
  html {
    font-size: 78px !important
  }
}

@media screen and (max-width: 850px) {
  html {
    font-size: 76px !important
  }
}

@media screen and (max-width: 640px) {
  html {
    font-size: 72px !important
  }

  body {
    font-size: .18rem
  }

  .pc-header .wp {
    width: 90%
  }

  .pc-header .topbar {
    height: .45rem;
    line-height: .45rem;
  }

  .nav-bar .logo {
    width: 1.6rem;
  }
}

@media screen and (max-width: 480px) {
  .pc-header .topbar .font-switcher-btn {
    width: .25rem;
    height: .25rem;
  }

  .pc-header .topbar .social-net-btn {
    width: .25rem;
    height: .25rem;
  }

  .nav-bar .logo {
    width: 1.4rem;
  }
}

@media screen and (max-width: 375px) {
  html {
    font-size: 70px !important
  }

  .nav-bar .logo {
    width: 1.2rem;
  }
}

.nav_mobile {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-out 0s;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100vh;
  overflow-y: auto;
}

.nav_mobile.showdiv {
  opacity: 1;
  visibility: visible;
}

.nav_mobile .close {
  font-size: .28rem;
  position: absolute;
  right: .17rem;
  top: .17rem;
  line-height: 1;
  cursor: pointer;
  color: #c9a164;
  z-index: 10;
}

.nav_mobile .logo {
  position: absolute;
  left: 2%;
  top: .1rem;
  width: 2rem;
  line-height: .6rem;
}

.nav_mobile .logo img {
  width: 100%;
}

.nav_mobile .nav_l {
  font-size: .15rem;
  background: #c9a164;
  color: #fff;
  width: 100%;
  overflow: hidden;
  text-align: center;
}

.nav_mobile .nav_l .inner {
  padding: .1rem 0;
  border-top: 1px solid rgba(255, 255, 255, .1);
}

.nav_mobile .nav_l .inner h4 {
  font-size: .18rem;
}

.nav_mobile .nav_l a {
  padding: .03rem .1rem;
  opacity: 0.8;
  display: inline-block;
  white-space: nowrap;
  color: #fff;
}

.nav_mobile .nav_l .lang-switcher {
  display: inline-block;
  margin-left: .15rem;
  padding-left: .15rem;
  border-left: 1px solid rgba(255, 255, 255, 0.3);
}

.nav_mobile .nav_l .lang-switcher a {
  padding: 0 .08rem;
}

.nav_mobile .nav_r {
  font-size: .16rem;
  background: #c9a164;
  color: #fff;
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  overflow: hidden;
}

.nav_mobile .nav_r .inner {
  padding: .05rem 0;
}

.nav_mobile .nav_r a {
  padding: .05rem .1rem;
  opacity: 0.8;
  display: inline-block;
  white-space: nowrap;
  font-weight: normal;
  color: #fff;
}

.nav_mobile .nav_main {
  padding: .7rem 0 0;
  font-size: .16rem;
  background: #fafafa;
  flex: 1;
}

.nav_mobile .nav_main .logo {
  position: absolute;
  left: .2rem;
  top: 0;
  line-height: .6rem;
}

.nav_mobile .nav_main .logo a {
  display: block;
  height: 100%;
}

.nav_mobile .nav_main .logo img {
  max-height: 65%;
  width: auto;
  max-width: none;
}

.nav_mobile .big-nav ul li {
  width: 100%;
  text-align: left;
  padding-top: 0;
  border-bottom: rgba(0, 0, 0, 0.13) solid 1px;
}

.nav_mobile .big-nav ul li:last-child {
  border-bottom: 0;
}

.nav_mobile .big-nav ul li h2 {
  font-size: .24rem;
  line-height: .65rem;
  padding-left: 6%;
  position: relative;
  font-weight: normal;
}

.nav_mobile .big-nav ul li h2 a {
  color: #333;
  display: block;
}

/* 移动端二级导航样式 */
.nav_mobile .big-nav ul li .sub-nav-mobile {
  padding-left: 6%;
  background: #fafafa;
}

.nav_mobile .big-nav ul li .sub-nav-mobile a {
  display: block;
  padding: .15rem 0 .15rem .2rem;
  color: #666;
  font-size: .18rem;
  line-height: 1.4;
  border-bottom: 1px solid #f0f0f0;
}

.nav_mobile .big-nav ul li .sub-nav-mobile a:last-child {
  border-bottom: none;
}

.nav_mobile .big-nav ul li .sub-nav-mobile a:active {
  color: #c9a04f;
}



@media screen and (max-width: 640px) {
  .nav_mobile .nav_l .inner h4 {
    font-size: .15rem;
    margin-bottom: 3px;
  }

  .nav_mobile .nav_l {
    font-size: .12rem;
    text-align: center;
  }

  .nav_mobile .nav_r {
    font-size: .12rem;
  }

  .nav_mobile .logo {
    width: 1.6rem;
  }
}

@media screen and (max-width: 450px) {
  .nav_mobile .nav_main {
    font-size: .15rem;
  }

  .nav_mobile .nav_main a {
    text-align: center;
  }
}

body.nav-open {
  overflow: hidden;
}