.container {
  width: 1000px;
  padding: 40px 0;
  margin: 0 auto;
}

.common-title {
  position: relative;
  padding-top: 56px;
  color:#333333;
  font-size: 30px;
  text-align: center;
}

.common-title::after {
  position: absolute;
  content: "";
  left: 50%;
  bottom: -20px;
  width: 54px;
  height: 4px;
  transform: translate(-50%, 0);
  background-color: #F5CF37;
}

.product_banner {
  overflow: hidden;
  height: 580px;
}

.product_banner img {
    width: 100%;
}

@media screen and (max-width: 1441px) {
  .product_banner {
    height: auto;
  }
}

@media screen and (min-width: 2560px) {
  .product_banner {
    height: 610px;
  }
}


.product-1 {
  height: 1800px;
  background-image: url('../images/alumunsimg/section-bg-1.png');
  background-size: 100% 100%;
}

.product-1-introduce {
  display: flex;
  justify-content: space-between;
  align-items: top;
}

.product-1-introduce-desc {
  line-height: 36px;
  color: #333333;
  font-size: 18px;
  text-align: justify;
}

.product-1-introduce-phone {
  position: relative;
  z-index: 2;
  flex: none;
  margin-left: 150px;
  width: 375px;
  height: 779px;
  padding-top: 21px;
  background-image: url('../images/alumunsimg/phone-wrap.png');
  background-size: 100% 100%;
}

.product-1-introduce-phone .phone-wrap {
  z-index: 1;
  overflow-y: scroll;
  position: relative;
  left: -3px;
  width: 330px;
  height: 720px;
  margin: 0 auto;
  border-radius: 28px 28px 10px 10px;
}

.product-1-introduce-phone .phone-wrap img {
  width: 100%;
}

.product-2 {
  background-color: #EEF6FD;
}

.product-3 {
  height: 1000px;
  background-image: url('../images/alumunsimg/section-bg-2.png');
  background-size: 100% 100%;
}

.product-2-advantage.container {
  width: 1200px;
}

.advantage-list {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.advantage-list .advantage-item {
  width: 280px;
  height: 290px;
  padding: 40px;
  margin-top: 20px;
  box-sizing: border-box;
  background-color: #fff;
  list-style: none;
  user-select: none;
}

.advantage-list .advantage-item:hover {
  opacity: .7;
}

.advantage-list .advantage-item .advantage-item-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto;
}

.advantage-list .advantage-item .advantage-item-icon img {
  width: 100%;
  height: 100%;
}

.advantage-list .advantage-item .advantage-item-desc {
  margin-top: 14px;
  line-height: 30px;
  color: #333333;
}

.service {
  background-color: #EEF6FD;
}

.service-desc {
  width: 1200px;
  margin: 40px auto;
  line-height: 36px;
  color: #333;
  text-align: center;
}

.product-structure img,
.service-process img,
.banner img {
  width: 100%;
}

.swiper-container {
  width: 1200px;
  height: 770px;
  box-sizing: border-box;
  margin: 0 auto;
  margin-top: 100px;
}
.swiper-slide {
  padding: 0 40px;
  box-sizing: border-box;
}
.swiper-slide img {
  width: 100%;
}

.swiper-button-next,
.swiper-button-prev {
  z-index: 999;
  color: #000;
}