.main {
  width: 1200px;
  margin: 0 auto;
  padding-top: 180px;
}
.main .inner {
  padding-bottom: 80px;
}
.main .top h4 {
  color: #333;
  font-size: 28px;
  font-weight: normal;
  line-height: 80px;
}
.main .top p {
  color: #7c7c7c;
  font-size: 18px;
  border-bottom: 1px solid #999;
  line-height: 30px;
}
.main .top p span {
  margin-left: 20px;
}
.main .content p {
  padding: 10px 0;
  color: #333;
  font-size: 18px;
  line-height: 40px;
  text-indent: 2em;
}
.main .content img {
  margin: 10px auto;
  width: 800px;
}
.main .content h6 {
  font-weight: normal;
  font-size: 18px;
  color: #333;
  text-align: center;
}
.main .content video {
  width: 1100px;
  height: 700px;
  margin: 20px auto 60px;
  display: block;
}
.main .content .swiper {
  width: 882px;
  overflow-x: hidden;
  margin: 0 auto;
  position: relative;
}
.main .content .swiper img {
  width: 880px;
}
.main .content .swiper-button-next {
  right: 30px;
  width: 23px;
  height: 53px;
  background: url('../images/btn_right.png') no-repeat;
  background-size: 100% 100%;
}
.main .content .swiper-button-prev {
  left: 30px;
  width: 23px;
  height: 53px;
  background: url('../images/btn_left.png') no-repeat;
  background-size: 100% 100%;
}