.g-product-overview .main-content .main-black-box {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: 100%;
}
.g-product-overview .main-content .product-overview-banner {
  width: 100%;
  position: relative;
  overflow: hidden;
}
.g-product-overview .main-content .product-overview-banner .overview-banner-img {
  width: 100%;
  display: block;
  height: 560px;
  object-fit: cover;
}
.g-product-overview .main-content .product-overview-banner .title-content-box {
  position: absolute;
  top: 110px;
  left: 0;
  z-index: 10;
  width: 100%;
}
.g-product-overview .main-content .product-overview-banner .title-content-box .overview-banner-name {
  width: 100%;
  text-align: center;
  font-size: 40px;
  color: #FFFFFF;
  letter-spacing: 0;
  line-height: 40px;
}
.g-product-overview .main-content .product-overview-banner .title-content-box .overview-banner-subtitle {
  font-size: 16px;
  line-height: 24px;
  margin: 14px auto 0;
  text-align: center;
  max-width: 1160px;
  padding: 0 20px;
  font-weight: 300;
  color: #FFFFFF;
}
.g-product-overview .main-content .product-overview-content {
  background: url("https://gw.alipayobjects.com/mdn/rms_d65887/afts/img/A*iq9qRJ9YDAkAAAAAAAAAAAAAARQnAQ") no-repeat center;
  background-size: 100% 100%;
  width: 100%;
  min-height: 340px;
  overflow: hidden;
}
.g-product-overview .main-content .product-overview-content .overview-content-title {
  font-size: 40px;
  color: #000000;
  letter-spacing: 0;
  text-align: center;
  line-height: 40px;
  margin: 80px 0 28px;
}
.g-product-overview .main-content .product-overview-content .overview-content-msg {
  font-size: 16px;
  line-height: 24px;
  color: #3D3D3D;
  text-align: left;
  width: 1160px;
  margin: auto;
}