#body .title {
  font-size: 48px;
  font-weight: bolder;
  margin-bottom: 30px;
}
#body .subhead {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 20px;
}
#body .text {
  font-size: 18px;
}
#body > div {
  margin-top: 50px;
}
#body .row-one {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  width: 1200px;
}
#body .row-one > div > img {
  width: 599px;
}
#body .row-one > div:nth-child(1) {
  width: 511px;
}
#body .row-one > div:nth-child(1) .text {
  line-height: 35px;
}
#body .row-two {
  width: 1200px;
}
#body .row-three {
  width: 1200px;
}
#body .row-four {
  width: 1200px;
  background-color: #f5f5f5;
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 40px;
}
#body .row-four .head-buttons {
  width: 864px;
}
#body .row-four .head-buttons > div:first-child {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  width: auto;
}
#body .row-four .head-buttons div p {
  font-size: 36px;
  font-weight: bold;
  width: 430px;
  line-height: 80px;
  cursor: pointer;
  text-align: center;
  transition: all 0.3s ease;
}
#body .row-four .head-buttons div .selected {
  color: #e41d32;
}
#body .row-four .head-buttons div .beetween-line {
  width: 2px;
  height: 20px;
  background-color: #b8b8b8;
}
#body .row-four .head-buttons .bottom-line {
  width: 32px;
  height: 4px;
  background-color: #e41d32;
  transition: all 0.3s ease;
  transform: translateX(200px);
}
#body .row-four .foot-buttons {
  display: flex;
  flex: row;
  justify-content: space-between;
  width: 80px;
  margin-bottom: 10px;
}
#body .row-four .foot-buttons p {
  font-size: 20px;
  width: 30px;
  line-height: 30px;
  text-align: center;
  color: white;
  background-color: #e41d32;
  cursor: pointer;
}

#body .row-four .swiper-container {
  width: 1140px;
  margin: 30px;
}
#body .row-four .swiper-container .swiper-slide {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
#body .row-four .swiper-container .product {
  width: 370px;
  background-color: #ffffff;
  padding: 20px;
}
#body .row-four .swiper-container .product .product-name {
  color: #e41d32;
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
}
#body .row-four .swiper-container .product .product-introduce {
  font-size: 18px;
}