.wrap_img{
	width: 100%;
	height: auto;
}
.marketing .box{
	margin-top: 0;
}
.logo{
	width: 382px !important;
	height: 56px !important;
}

.fixed_center{
	position: fixed;
	z-index: 999;
	bottom: 20px;
	width: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
}
.color-fff{
	color:#ffffff;
}
.color-333{
	color: #333333;
}
.fixed_center div span{
	margin-right: 20px;
}
.case_bottom{
	text-align: center;
	position: fixed;
	left: 50%;
	bottom: 50px;
	z-index: 999;
}
.case_bottom {
  animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(15px);
  }
  100% {
    transform: translateY(0);
  }
}