h3 {
    font-size: 36px;
    line-height: 41px;
    color: #333333;
}

.banner {
    position: relative;
    width: 100%;
    height: 680px;
    left: 0;
    top: 0;
    opacity: 0;
    transition: .7s;
	background: linear-gradient(to bottom, #D3DAFF, #FFFFFF);
}

.banner.active {
    z-index: 1;
    opacity: 1;
}

.btn_ltc_1 {
	width: 195px;
	height: 78px;
	background: linear-gradient( 45deg, #1774FF 0%, #D9E9FF 100%);
	border-radius: 65px;
}
.btn_ltc_2 {
	margin-left: 32px;
	width: 195px;
	height: 78px;
	background: #E8F4FF;
	border-radius: 65px;
}

.b_d .btn_big_2 {
	display: flex;
	align-items: center;
	padding-left: 24px;
	color: #1774FF;
	font-size: 26px;
	line-height: 32px;
	border-radius: 100px;
	font-weight: 400;
}

.btn_big_2 img {
	margin-left: 16px;
}

.content {
    width: var(--width);
    margin: auto;
    display: flex;
    align-items: center;
    height: 100%;
    box-sizing: border-box;
}

.content h4 {
    font-size: 48px;
    line-height: 54px;
    color: #333333;
    margin-bottom: 24px;
    font-weight: 900;
    white-space: nowrap;
}

.content p {
    width: 680px;
    text-align: justify;
    font-size: 20px;
    line-height: 36px;
    color: #666666;
}

.content button {
    height: 78px;
    width: 195px;
    font-size: 16px;
    font-weight: 600;
}

.top {
	padding-top: 50px;
}

.center {
    padding-top: 237px;
    /* padding-bottom: 124px; */
    text-align: center;
}

.center h3 {
    margin-bottom: 100px;
}

.center .content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.center .content li {
    flex: 1;
}

.center .content li img {
    height: 144px;
    margin-bottom: 36px;
}

.center .content li div {
    font-size: 24px;
    line-height: 30px;
    color: #333333;
    margin-bottom: 16px;
	font-weight: bold;
	color: #333333;
}

.center .content li p {
    font-size: 16px;
    line-height: 28px;
    color: #666666;
    width: 350px;
    margin: auto;
}

.bottom {
    padding-top: 196px;
    padding-bottom: 115px;
    text-align: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.bottom h3 {
    margin-bottom: 60px;
}

.bottom .content {
    background: rgba(255, 255, 255, 0.25);
    border-radius: 8px;
    filter: drop-shadow(4px 6px 40px rgba(23, 116, 255, 0.13));
}

.top_1 {
	margin-top: 40px;
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	position: relative;
}
.top_1_1 {
	display: flex;
	align-items: flex-start;
	padding: 35px;
	border-radius: 20px;
	border: 1px solid #D9E9FF;
	height: 106px;
}
.top_1_1 img {
	margin-right: 8px;
}
.top_1_1 div div {
	font-weight: bold;
	font-size: 30px;
	line-height: 36px;
	color: #333;
	width: 465px;
}
.top_1_1 div p {
	margin-top: 19px;
	width: 465px;
	font-size: 20px;
	line-height: 36px;
	color: #666666;
}
.top_1_1 img.salesOne {
	position: absolute;
	left: 100%;
	top: 0;
	bottom: 0;
	display: none;
}
.top_1_1 img.salesTwo {
	position: absolute;
	left: 100%;
	top: 0;
	bottom: 0;
	display: none;
}
.salesOne {
	display: none;
}
.salesTwo{
	display: none;
}
.top_1 .top_1_1.active{
	background: #FAFCFF;
	height: 234px;
	/* transition: 0.5s; */
}
.top_1 .top_1_1.active .salesOne{
	display: block;
}
.top_1 .top_1_1.active .salesTwo{
	display: block;
}
.top_2 {
	margin-top: 40px;
	position: relative;
}
.top_2_1 {
	display: flex;
	align-items: flex-start;
	padding: 35px;
	border-radius: 20px;
	border: 1px solid #D9E9FF;
	height: 106px;
}
.top_2_1 img {
	margin-right: 8px;
}
.top_2_1 div div {
	font-weight: bold;
	font-size: 30px;
	line-height: 36px;
	color: #333;
	width: 465px;
}
.top_2_1 div p {
	margin-top: 19px;
	width: 465px;
	font-size: 20px;
	line-height: 36px;
	color: #666666;
}
.top_2_1 img.salesThree {
	position: absolute;
	left: -118%;
	top: 0;
	bottom: 0;
	display: none;
}
.top_2_1 img.salesFour {
	position: absolute;
	left: -118%;
	top: 0;
	bottom: 0;
	display: none;
}
.salesThree {
	display: none;
}
.salesFour{
	display: none;
}
.top_2 .top_2_1.active{
	background: #FAFCFF;
	height: 234px;
	/* transition: .5s; */
}
.top_2 .top_2_1.active .salesThree{
	display: block;
}
.top_2 .top_2_1.active .salesFour{
	display: block;
}