@media screen and (min-width: 1024px) {
  html {
    font-size: 24px;
  }
}
@media screen and (min-width: 768px) and (max-width: 1024px) {
  html {
    font-size: 18px;
  }
}
@media screen and (max-width: 767px) {
  html {
    font-size: 16px;
  }
  html .banner {
    margin-top: 2rem;
  }
}
.banner {
  margin-top: 2.92rem;
  padding: 5rem 0;
  background: url(/assets/support.ef164e.png) no-repeat;
  background-size: cover;
  text-align: center;
}
.banner > .title {
  font-size: 2rem;
  line-height: 2.33rem;
  color: #ffffff;
}
.sla {
  padding: 3rem 0;
  width: 80%;
  margin: 0 auto;
  text-align: center;
}
.sla > .title {
  font-size: 1.5rem;
  line-height: 1.2em;
  margin-bottom: 0.83rem;
  font-weight: 700;
  color: #262b2e;
}
.sla > .desc {
  font-size: 0.67rem;
  line-height: 1.6em;
  color: #676b6d;
  max-width: 1000px;
  margin: 0 auto;
}
.kehu > li {
  border-top: 1px solid #d8d9d8;
  padding: 2.5rem 0;
}
.kehu > li:nth-child(2n+1) {
  background: #fbfbfb;
}
.kehu > li > .li-content {
  max-width: 1000px;
  width: 80%;
  margin: 0 auto;
}
.kehu > li > .li-content > img {
  width: 20%;
  height: auto;
  display: inline-block;
  margin: 0 15%;
  vertical-align: middle;
}
.kehu > li > .li-content > .right {
  width: 50%;
  display: inline-block;
  vertical-align: middle;
}
.kehu > li > .li-content > .right > .title {
  font-size: 1rem;
  line-height: 1.29rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
}
.kehu > li > .li-content > .right > .desc {
  color: #676b6d;
  font-size: 0.67rem;
  line-height: 1.04rem;
  margin-bottom: 1.5rem;
}
.kehu > li > .li-content > .right > .btn {
  position: relative;
  top: 0;
  background-color: #F90;
  box-shadow: 0 5px 0 #c77700;
  -webkit-transition: all 200ms;
  transition: all 200ms;
  width: auto;
  padding: 0.2rem 0.6rem;
}
.kehu > li > .li-content > .right > .btn:hover {
  top: 3px;
  color: white;
  box-shadow: 0 3px #c77700;
  -webkit-transition: all 200ms;
  transition: all 200ms;
}