/*手机端头部*/
@media (min-width: 1201px) and (max-width: 1920px) {
  .pc-menu {
    display: block;
  }
  .mobile {
    display: none;
  }
}
@media (min-width: 320px) and (max-width: 1200px) {
  .mobile {
    display: block;
  }
  .pc-menu {
    display: none;
  }
}
.mobile-logo {
  position: fixed;
  left: 8rem;
  top: 8rem;
}
.mobile-inner-nav a {
  -webkit-animation-duration: 0.5s;
  animation-duration: 0.5s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation-name: returnToNormal;
  animation-name: returnToNormal;
  font-size: 14rem;
}

@-webkit-keyframes returnToNormal {
  from {
    opacity: 0;
    -webkit-transform: translate3d(0, 100%, 0);
    transform: translate3d(0, 100%, 0);
  }

  to {
    opacity: 1;
    -webkit-transform: none;
    transform: none;
  }
}

@keyframes returnToNormal {
  from {
    opacity: 0;
    -webkit-transform: translate3d(0, 100%, 0);
    transform: translate3d(0, 100%, 0);
  }

  to {
    opacity: 1;
    -webkit-transform: none;
    transform: none;
  }
}

.mobile {
  width: 100%;
  height: 50rem;
}
.mobile-inner {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  background-color: #fafafa;
  position: relative;
  z-index: 9999;
}
.mobile-inner img {
  max-width: 100%;
}
.mobile-inner p {
  color: #676767;
  line-height: 25px;
  font-size: 16px;
  padding-bottom: 30px;
  padding-right: 30px;
  padding-left: 30px;
  margin: 0px;
}
.mobile-inner-header {
  background-color: rgba(0, 0, 0, 0.7);
  width: 100%;
  position: fixed;
  top: 0px;
  left: 0px;
}
.mobile-inner-header-icon {
  color: #ffffff;
  height: 50px;
  font-size: 25px;
  text-align: center;
  float: right;
  width: 50px;
  position: relative;
  -webkit-transition: background 0.5s;
  -moz-transition: background 0.5s;
  -o-transition: background 0.5s;
  transition: background 0.5s;
}
.mobile-inner-header-icon:hover {
  background-color: rgba(255, 255, 255, 0.2);
  cursor: pointer;
}
.mobile-inner-header-icon span {
  position: absolute;
  left: calc((100% - 25px) / 2);
  top: calc((100% - 1px) / 2);
  width: 25px;
  height: 1px;
  background-color: rgba(255, 255, 255, 1);
}
.mobile-inner-header-icon span:nth-child(1) {
  transform: translateY(4px) rotate(0deg);
}
.mobile-inner-header-icon span:nth-child(2) {
  transform: translateY(-4px) rotate(0deg);
}

.mobile-inner-header-icon-click span:nth-child(1) {
  animation-duration: 0.5s;
  animation-fill-mode: both;
  animation-name: clickfirst;
}
.mobile-inner-header-icon-click span:nth-child(2) {
  animation-duration: 0.5s;
  animation-fill-mode: both;
  animation-name: clicksecond;
}

@keyframes clickfirst {
  0% {
    transform: translateY(4px) rotate(0deg);
  }

  100% {
    transform: translateY(0) rotate(45deg);
  }
}

@keyframes clicksecond {
  0% {
    transform: translateY(-4px) rotate(0deg);
  }

  100% {
    transform: translateY(0) rotate(-45deg);
  }
}

.mobile-inner-header-icon-out span:nth-child(1) {
  animation-duration: 0.5s;
  animation-fill-mode: both;
  animation-name: outfirst;
}
.mobile-inner-header-icon-out span:nth-child(2) {
  animation-duration: 0.5s;
  animation-fill-mode: both;
  animation-name: outsecond;
}

@keyframes outfirst {
  0% {
    transform: translateY(0) rotate(-45deg);
  }

  100% {
    transform: translateY(-4px) rotate(0deg);
  }
}

@keyframes outsecond {
  0% {
    transform: translateY(0) rotate(45deg);
  }

  100% {
    transform: translateY(4px) rotate(0deg);
  }
}

.mobile-inner-nav {
  background-color: rgba(0, 0, 0, 0.9);
  width: 100%;
  position: fixed;
  top: 50px;
  left: 0px;
  padding-top: 30px;
  padding-bottom: 80px;
  display: none;
}
.mobile-inner-nav a {
  display: inline-block;
  line-height: 50px;
  text-decoration: none;
  width: 80%;
  margin-left: 10%;
  color: #ffffff;
  border-bottom: solid 1px rgba(255, 255, 255, 0.3);
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
  font-weight: 300;
}
.mobile-inner-nav a:hover {
  color: rgba(255, 255, 255, 0.4);
  border-bottom: solid 1px rgba(255, 255, 255, 0.2);
}