.con1 {
  position: relative;
  height: 100vh;
}

.dl-promotion-big {
  position: fixed;
  bottom: 0;
  left: -3000px;
  width: 100%;
  height: 180px;
  background: rgba(0, 0, 0, .7);
  transition: all 1s;
  z-index: 1001;
}
.dl-con-big {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 1280px;
  height: 100%;
  margin: 0 auto;
}
.dl-gift {
  position: relative;
  top: -40px;
  width: 151px;
  height: 201px;
}
.dl-giftTxt {
  display: block;
  width: 401px;
  height: 30px;
}
.dl-right-box {
  margin-left: 25px;
}
.dl-fuc-list {
  margin-top: 19px;
}
.dl-list-item {
  display: inline-block;
  height: 20px;
  margin-right: 24px;
  line-height: 20px;
  color: #fff;
  font-size: 14px;
}
.dl-list-item:nth-child(n + 3) {
  margin-top: 7px;
}
.dl-list-item img {
  width: 14px;
  height: 14px;
  vertical-align: middle;
}
.dl-title {
  display: flex;
  align-items: center;
  justify-content: center;
}
.dl-link {
  margin-left: 12px;
  padding: 0 3px;
  color: #fff;
  border: 1px solid #fff;
}
.dl-link:hover {
  color: #eee;
}
.dl-btn {
  width: 260px;
  height: 50px;
  margin-left: 50px;
  line-height: 50px;
  border-radius: 25px;
  background: #198AF3;
  color: #fff;
  font-size: 16px;
  text-align: center;
  cursor: pointer;
  user-select: none;
}
.dl-btn:hover {
  opacity: .9;
}
#ig-close {
  position: absolute;
  right: 33px;
  top: 20px;
  width: 16px;
  height: 16px;
  cursor: pointer;
}
#ig-close:hover {
  opacity: .9;
}

.dl-promotion-small {
  position: fixed;
  bottom: 56px;
  left: 0;
  width: 140px;
  height: 120px;
  box-sizing: border-box;
  padding-left: 12px;
  background: rgba(0, 0, 0, .7);
  border-radius: 0 60px 60px 0;
  transition: all 1s;
  z-index: 100;
  cursor: pointer;
}
.dl-gift-small {
  position: relative;
  top: -30px;
  width: 91px;
  height: 121px;
}
.dl-giftTxt-small {
  position: relative;
  top: -30px;
  width: 88px;
  height: 19px;
}