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;
}

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

.center h3 {
    margin-bottom: 100px;
	color: #333;
}

.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: 22px;
}

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

.center .content li p {
    font-size: 16px;
    line-height: 28px;
    color: #666666;
    width: 350px;
    margin: auto;
}
.top {
	width: 520px;
	margin-right: 47px;
}
.top div {
	position: relative;
}
.top p {
	font-size: 20px;
	color: #333333;
	line-height: 36px;
	text-align: justify;
	text-align-last: left;
	margin-left: 16px;
	margin-bottom: 26px;
}
.top span:before {
	width: 8px;
	font-size: 20px;
	content: "•";
	color: #1774FF;
	position: absolute;
	left: 0;
	top: 10px;
}
.bottom {
    background-color: #FFF;
    text-align: center;
    height: 900px;
    padding-top: 120px;
    box-sizing: border-box;
}

.bottom_title {
    font-family: FZLanTingHeiS-DB1-GBK, FZLanTingHeiS-DB1-GBK;
    font-weight: bold;
    font-size: 36px;
	color: #333;
    line-height: 36px;
    margin-bottom: 58px;
}

.bottom_f_b {
    display: flex;
    justify-content: center;
    align-items: center;
    list-style: none;
}

.bottom_f_b > li {
    list-style: none;
    padding: 0 40px;
    height: 56px;
    border-radius: 100px;
    font-size: 20px;
	color: #666;
    line-height: 20px;
    display: flex;
    align-items: center;
    cursor: pointer;
    margin: 0 18px;
    transition: .3s;
}
.bottom_f_b > li svg {
    fill: #666;
	margin-right: 8px;
}

.bottom_f_b > li.active {
    background: rgba(24, 144, 255, 0.1);
    color: #1774FF;
	font-weight: bold;
}

.bottom_f_b > li.active svg {
    fill: #1774FF;
}

.bottom_f_c {
    width: var(--width);
    margin: auto;
    /* overflow: hidden; */
}

.bottom_f_c li {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 560px;
    padding-left: 72px;
    padding-right: 60px;
    display: none;
}

.bottom_f_c li.active {
    display: flex;
}
.bottom_f_b li img{
	margin-right: 8px;
}

.bottom_a {
	width: 530px;
	margin-right: 70px;
}

.bottom_a div{
	font-weight: bold;
	font-size: 30px;
	color: #333;
	line-height: 36px;
	text-align: left;
	margin-bottom: 20px;
}
.bottom_a p{
	font-weight: 400;
	font-size: 20px;
	color: #666666;
	line-height: 36px;
	text-align: left;
	margin-bottom: 128px;
}

.f-c-b-img {
    flex: 1;
}

.f-c-b-img img {
    width: 120%;
}