.banner {
  background: url(../images/banner-product.png) no-repeat center center;
  background-size: 100% 100%;
}

h1 {
  font-size: .52rem;
  line-height: 1;
}

.part1 {
  padding: .88rem .68rem;
}

.part1 h6,
.part1 p {
  font-size: .32rem;
  line-height: .44rem;
  letter-spacing: 1px;
  margin-top: .4rem;
  color: #232536;
}

.part1 h6 {
  margin-top: .56rem;
}

.part1 img {
  margin-top: .4rem;
  box-shadow: 0.04rem 0.12rem 0.44rem 0px rgba(0, 0, 0, 0.31);
}

.part2 {
  width: 100%;
}

.part2 ul li {
  width: 8.586667rem;
  height: 4.08rem;
  margin: 0 auto;
  position: relative;
}

.part2 ul li img {
  width: 100%;
}

.part2 ul li div {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  text-align: center;
}

.part2 ul li div h1 {
  width: 100%;
  font-size: .48rem;
  letter-spacing: .12rem;
  line-height: 1;
  color: #ffffff;
}

.part2 ul li div i {
  display: block;
  width: .84rem;
  height: .04rem;
  background-color: #ffffff;
  border-radius: .02rem;
  margin: .2rem 0 .6rem 0;
}

.part2 ul li div .i-eng {
  margin: .16rem 0 .12rem 0;
}

.part2 ul li div p {
  font-size: .266667rem;
  padding: 0 .4rem;
  color: #ffffff;
}

.part3 h1 {
  text-align: center;
  margin: .88rem 0;
}

.part3 ul li {
  width: 50%;
  float: left;
  margin-bottom: .68rem;
}

.part3 ul li img {
  margin: 0 auto;
}

.part3 ul li p {
  text-align: center;
  font-size: .32rem;
  font-weight: bold;
  color: #12512f;
  margin-top: .52rem;
}

.part3 ul li:nth-child(1) img {
  width: auto;
  height: 3.546667rem;
}

.part3 ul li:nth-child(2) img {
  width: auto;
  height: 3.333333rem;
  margin-top: .213333rem;
}

.part3 ul li:nth-child(3) img,
.part3 ul li:nth-child(4) img {
  width: auto;
  height: 3.573333rem;
}

.part3 ul li:nth-child(5),
.part3 ul li:nth-child(6) {
  margin-bottom: 0;
}

.part3 ul li:nth-child(5) img,
.part3 ul li:nth-child(6) img {
  width: auto;
  height: 3.333333rem;
}

.part3 ul li:nth-child(7) {
  width: 100%;
}

.part3 ul li:nth-child(8) img,
.part3 ul li:nth-child(9) img {
  width: auto;
  height: 2.16rem;
}