.firstview .bg {
  width: 100%;
  height: auto;
  display: table-cell;
  vertical-align: bottom;
  background: #fefdfb;
}

@media (max-width: 1024px) {
  .firstview .bg {
    background: #fff;
  }
}

.firstview .bg picture, .firstview .bg img {
  width: 100%;
  height: auto;
}

.firstview .firstview-image {
  width: 100%;
  height: 100%;
  display: table;
}

.firstview .scrollToHeader {
  position: absolute;
  bottom: 50px;
  left: 50%;
  width: 68px;
  height: 40px;
  margin-left: -34px;
  cursor: pointer;
  -webkit-transition: -webkit-transform 0.6s ease;
  transition: -webkit-transform 0.6s ease;
  transition: transform 0.6s ease;
  transition: transform 0.6s ease, -webkit-transform 0.6s ease;
}

@media (max-width: 1024px) {
  .firstview .scrollToHeader {
    width: 54px;
    height: 33px;
    bottom: 30px;
    margin-left: -27px;
  }
}

.firstview .scrollToHeader span:after {
  cursor: pointer;
  -webkit-transition: -webkit-transform 0.6s ease;
  transition: -webkit-transform 0.6s ease;
  transition: transform 0.6s ease;
  transition: transform 0.6s ease, -webkit-transform 0.6s ease;
}

@media (min-width: 1024px) {
  .firstview .scrollToHeader:hover span:after {
    -webkit-transform: translate3d(0, 8px, 0) rotate(45deg);
            transform: translate3d(0, 8px, 0) rotate(45deg);
  }
}

.firstview .scrollToHeader span {
  display: block;
  width: 68px;
  height: 40px;
}

@media (max-width: 1024px) {
  .firstview .scrollToHeader span {
    width: 54px;
    height: 33px;
  }
}

.firstview .scrollToHeader span:after {
  display: block;
  content: "";
  margin: 0 auto 0;
  position: absolute;
  top: 14px;
  left: calc(50% - 7px);
  border-bottom: 4px solid #FFF;
  border-right: 4px solid #FFF;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
  width: 16px;
  height: 16px;
}

@media (max-width: 1024px) {
  .firstview .scrollToHeader span:after {
    width: 12px;
    height: 12px;
    top: 12px;
    left: calc(50% - 5px);
  }
}

.firstview-logo {
  position: absolute;
  top: 25%;
  display: block;
  width: 442px;
  height: 280px;
  margin: 0 auto;
  margin-top: -140px;
  left: 50%;
  margin-left: -221px;
}

@media (max-width: 750px) {
  .firstview-logo {
    width: 100%;
    height: auto;
    left: 0;
    margin-left: 0;
    top: 40%;
    margin-top: 0;
    -webkit-transform: translate3d(0, -50%, 0);
            transform: translate3d(0, -50%, 0);
  }
}

.firstview-logo img {
  display: block;
  width: 442px;
  height: 280px;
  margin: 0 auto;
}

@media (max-width: 750px) {
  .firstview-logo img {
    width: 100%;
    height: auto;
  }
}