.rel {
  position: relative;
}
.abs {
  position: absolute;
}
.fixed {
  position: fixed;
}
.flex {
  display: flex;
  display: -webkit-box;
  /* Chrome 4+, Safari 3.1, iOS Safari 3.2+ */
  display: -moz-box;
  /* Firefox 17- */
  display: -webkit-flex;
  /* Chrome 21+, Safari 6.1+, iOS Safari 7+, Opera 15/16 */
  display: -moz-flex;
  /* Firefox 18+ */
  display: -ms-flexbox;
  /* IE 10 */
}
.flex-wrap {
  flex-flow: wrap;
}
.flex-between {
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}
.inline-block {
  display: inline-block;
}
.block {
  display: block;
}
.hide {
  display: none;
}
.bold {
  font-weight: 700;
}
.txt-center {
  text-align: center;
}
.txt-left {
  text-align: left;
}
.txt-right {
  text-align: right;
}
.before {
  opacity: 0;
  visibility: hidden;
}
.after {
  opacity: 1;
  visibility: visible;
}
.font {
  font-family: Arial;
}
.txt {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.upper {
  text-transform: uppercase;
}
.middle {
  vertical-align: middle;
}
.background {
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center center;
}
.mbackground {
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}
.box-container {
  width: 15.36rem;
  margin: 0 auto;
}
.w1200 {
  width: 1200px;
  margin: 0 auto;
}
body {
  font-size: 16px;
  overflow-x: hidden;
}
:root {
  --fs14: 14px;
  --fs15: 15px;
  --fs16: 16px;
  --fs18: 18px;
  --fs20: 20px;
  --fs22: 22px;
  --fs24: 24px;
  --fs28: 28px;
  --fs30: 30px;
  --fs36: 36px;
  --fs40: 40px;
  --fs48: 48px;
}
.pic {
  font-size: 0;
  overflow: hidden;
  display: block;
  width: 100%;
}
.pic img {
  width: 100%;
  display: block;
  transition: transform 0.8s ease;
  -webkit-transition: transform 0.8s ease;
  -moz-transition: transform 0.8s ease;
  -ms-transition: transform 0.8s ease;
  -o-transition: transform 0.8s ease;
}
.pic img.phone {
  display: none;
}
.footer-wrapper {
  background: #000;
  padding-bottom: 0.56rem;
}
.footer-wrapper .box-container {
  display: flex;
  display: -webkit-box;
  /* Chrome 4+, Safari 3.1, iOS Safari 3.2+ */
  display: -moz-box;
  /* Firefox 17- */
  display: -webkit-flex;
  /* Chrome 21+, Safari 6.1+, iOS Safari 7+, Opera 15/16 */
  display: -moz-flex;
  /* Firefox 18+ */
  display: -ms-flexbox;
  /* IE 10 */
  flex-flow: wrap;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}
.footer-wrapper .copyright,
.footer-wrapper .copyright a,
.footer-wrapper .author,
.footer-wrapper .author a {
  font-size: var(--fs14);
  color: #666;
}
.footer-wrapper .copyright {
  line-height: 24px;
}
.footer-wrapper .copyright a {
  transition: color 0.3s ease;
  -webkit-transition: color 0.3s ease;
  -moz-transition: color 0.3s ease;
  -ms-transition: color 0.3s ease;
  -o-transition: color 0.3s ease;
}
.footer-wrapper .copyright a:hover {
  color: #9d1e2c;
}
.footer-wrapper .author a {
  transition: color 0.3s ease;
  -webkit-transition: color 0.3s ease;
  -moz-transition: color 0.3s ease;
  -ms-transition: color 0.3s ease;
  -o-transition: color 0.3s ease;
}
.footer-wrapper .author a:hover {
  color: #9d1e2c;
}
.page-wrapper .content {
  font-size: var(--fs16);
  line-height: 0.36rem;
}
@media screen and (max-width: 1600px) {
  .box-container {
    width: 14rem;
  }
}
@media screen and (max-width: 1004px) {
  :root {
    --fs14: 0.24rem;
    --fs16: 0.28rem;
    --fs18: 0.3rem;
    --fs20: 0.32rem;
    --fs22: 0.36rem;
    --fs24: 0.38rem;
    --fs28: 0.4rem;
    --fs30: 0.42rem;
    --fs36: 0.44rem;
    --fs40: 0.46rem;
    --fs48: 0.48rem;
  }
  .box-container {
    width: 100%;
    padding: 0 0.3rem;
  }
  .pic img.pc {
    display: none;
  }
  .pic img.phone {
    display: block;
  }
}