.product-recommend {
  padding-bottom: 98px;
}
.product-recommend .t2 {
  padding-top: 15px;
}

.product-banner {
  background: url("../images/pro-banner.png") center top no-repeat;
  background-size: auto 100%;
  position: relative;
}
.product-banner.b2 {
  background: url("../images/pro-banner2.png") center top no-repeat;
  background-size: auto 100%;
}
.product-banner.b3 {
  background: url("../images/pro-banner3.png") center top no-repeat;
  background-size: auto 100%;
}
.product-banner.b4 {
  background: url("../images/pro-banner4.png") center top no-repeat;
  background-size: auto 100%;
}

.pro-col {
  padding: 80px 0 180px 0;
  color: #000;
}
.pro-col .t1 {
  font-size: 24px;
  line-height: 32px;
}
.pro-col .t2 {
  font-size: 38px;
  line-height: 54px;
  padding: 15px 0 40px 0;
}
.pro-col .tit {
  font-size: 18px;
  color: #949494;
}
.pro-col .conn {
  padding-top: 20px;
  font-size: 18px;
  line-height: 30px;
}
.pro-col .pro-list {
  display: flex;
  justify-content: space-between;
}
.pro-col .pro-left {
  width: 550px;
}
.pro-col .pro-right {
  width: 480px;
}
.pro-col .list {
  padding-top: 20px;
}
.pro-col .list li {
  display: inline-block;
  vertical-align: top;
  width: 49%;
  font-size: 18px;
  line-height: 30px;
  padding-bottom: 30px;
  padding-left: 24px;
  position: relative;
  box-sizing: border-box;
}
.pro-col .list li::before {
  position: absolute;
  top: 9px;
  left: 0;
  content: "";
  width: 12px;
  height: 12px;
  background-color: #FFDE02;
  border-radius: 50%;
}
.pro-col .list li.l1 {
  width: 100%;
}

.right-nav {
  position: fixed;
  right: 30px;
  bottom: 100px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.right-nav a {
  font-size: 18px;
  line-height: 36px;
}
.right-nav a.active {
  position: relative;
}
.right-nav a.active::before {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 9px;
  content: "";
  height: 5px;
  background-color: #FFDE02;
  z-index: -1;
}
.right-nav a:hover {
  color: #FFDE02;
}

@media screen and (max-width: 750px) {
  .recommend {
    padding: 150px 0 100px 0px;
  }
  .recommend .text {
    font-size: 60px;
  }
  .content {
    padding: 0 50px;
  }
  footer .content {
    padding: 0;
  }
  .pro-list {
    flex-direction: column;
  }
  .pro-list .pro-left {
    width: 100%;
  }
  .pro-list .pro-right {
    padding-top: 30px;
    width: 100%;
  }
  .pro-col {
    padding: 50px 0;
  }
  .pro-col .conn {
    font-size: 22px;
    line-height: 36px;
  }
  .pro-col .list li {
    font-size: 22px;
    line-height: 36px;
  }
  .pro-col .list li::before {
    top: 12px;
  }
  .right-nav {
    display: none;
  }
}