.about-welcome {
  position: relative;
  color: #fff;
}
.about-welcome .banner {
  position: relative;
  width: 100%;
  height: calc(100vh - 60px);
  object-fit: cover;
  display: block;
}
.about-welcome .inner {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}

.company-introduce {
  position: relative;
}
.company-introduce:before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: url('/resource/images/company-introduce-bg.jpg') bottom center no-repeat;
  background-size: 100% auto;
  z-index: -1;
  opacity: .5;
}

.logo-composition {
  position: relative;
}
.logo-composition:before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: url('/resource/images/logo-composition-bg.jpg') center center no-repeat;
  background-size: 100% 100%;
  z-index: -1;
  opacity: .5;
}

.six-values {
  background: #fff url('/resource/images/world-map.png') center center no-repeat;
  background-size: auto 100%;
}
.six-values-item {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
}
.six-values-item .index {
  font-size: 60px;
  font-weight: bolder;
  line-height: 1;
  color: #CCC;
  margin-right: 15px;
}

.contact-us {
  height: 400px;
  background: #f5f5f5 url('/resource/images/frippler-address-map.jpg') center center no-repeat;
  background-size: auto 100%;
}