body {
	background: #fff;
}

.T_Banner {
	margin-top: 88px;
	width: 100%;
	height: 731px;
	background-size: contain;
	background-repeat: no-repeat;
	background-image: url(../../images/why/banner_2x.png);
	position: relative;
}


.T_Banner_Item {
	width: 1200px;
	margin: 0 auto;
}

.T_Banner_Tit {
	width : auto;
	display: block; 
	font-weight: 500;
	color: #2B2C2F;
	line-height: 53px;
	height: 53px; 
	font-size : 38px; 
	line-height : 53px;
	padding-top: 140px;
    padding-left: 100px;
    font-weight : bold;
}

.T_Banner_Txt {
	width: 620px;
	height: 62px;
	font-size: 16px;
	font-weight: 400;
	color: #2B2C2F;
	line-height: 31px;
	padding-top: 6px;
    padding-left: 100px;
}

.T_Banner_Item .T_Banner_Btn {
	display: block;
	background: #0B61F4;
	border-radius: 4px;
	margin-top: 46px;
	font-size: 16px;
	font-weight: 500;
	color: #FFFFFF;
	line-height: 46px;
	text-align: center;
	padding: 0 38px;
	width: fit-content;
	float: left;
	border: 1px solid #0B61F4;
    font-weight : bold;
}

.T_Banner_Item .T_Banner_Btn:hover {
	color: #FFFFFF;
	background: #5D92EE;
	border: 1px solid #5D92EE;
}
.T_Banner_Item .tb-btn {
    padding-left: 100px;
}

.T_Banner_Item .tb-btn a:nth-child(2) {
	border-radius: 4px;
	border: 1px solid #0B61F4;
	background: none;
	font-weight: 500;
	color: #0B61F4;
	margin-left: 12px;
    font-weight : bold;
}

.T_Banner_Item .tb-btn a:nth-child(2):hover {
	border: 1px solid #5D92EE;
	color: #5D92EE;
}

.T_Banner_Bottom {
	margin: 0 auto;
	width: 1252px;
	height: 302px;
	background-size: contain;
	background-repeat: no-repeat;
	background-image: url(../../images/why/banner_b.png);
	position: relative;
	margin-top: -255px;
    position: relative;
}
    
    
    
.T_Banner_Bottom::after{
    content: "";
    position: absolute;
    top: -10px;
    right: 80px;
    width: 60px;
    height: 64px;
    background: url(../../images/why/banner_r.png) center no-repeat;
    background-size: 100%;
    transition: all 0.3s;
}

@media ( max-width : 1900px) {
    .T_Banner_Bottom {
        margin-top: -220px;
    }
}
@media ( max-width : 1700px) {
    .T_Banner_Bottom {
        margin-top: -260px;
    }
}
@media ( max-width : 1600px) {
    .T_Banner_Bottom {
        margin-top: -270px;
    }
}
@media ( max-width : 1500px) {
    .T_Banner_Bottom {
        margin-top: -310px;
    }
}
@media ( max-width : 1400px) {
    .T_Banner_Bottom {
        margin-top: -340px;
    }
}
.tbb_l {
	float: left;
	width: 400px;
	height: 53px;
	font-size: 38px;
	font-weight: 500;
	color: #2B2C2F;
	line-height: 53px;
	padding-left: 130px;
	padding-top: 120px;
}

.tbb_r {
	float: left;
	width: 720px;
	padding-top: 67px;
}

.tbb_r .tbb_t {
	width: 658px;
	height: auto;
	font-size: 14px;
	font-weight: 400;
	color: #222222;
	line-height: 24px;
}

.tbb_r .tbb_d {
	margin-top: 18px; 
	background: #F7FAFF;
	font-size: 16px;
	font-weight: 500;
	color: #05429D;
	line-height: 29px;
	padding: 15px 24px;
	width: 610px;
}

.Floor_1 {
	width: 1120px;
	margin: 100px auto 0;
}

.f1_block {
	
}

.Floor_1 .f1_title {
	height: 28px;
	font-size: 30px;
	font-weight: 600;
	color: #323437;
	line-height: 28px;
	margin: 0 auto;
	width: fit-content;
}

.f1_block .f1_list {
	float: left;
	width: 280px;
	margin: 80px auto 0;
}

.f1_block .f1_list {
	margin-right: 140px;
}

.f1_block .f1_list:nth-child(3) {
	margin-right: 0;
}

.f1_block .f1_list .f1_list_img {
	width: 200px;
	height: 150px;
	margin: 0 auto;
}

.f1_block .f1_list .f1_list_img img {
	width: 200px;
	height: 150px;
}

.f1_block .f1_list .f1_list_title {
	height: 28px;
	font-size: 20px;
	font-weight: 500;
	color: #323437;
	line-height: 28px;
	text-align: center;
	margin-top: 26px;
}

.f1_block .f1_list .f1_list_desc {
	text-align: center;
	height: 40px;
	font-size: 14px;
	font-weight: 400;
	color: rgba(0, 0, 0, 0.55);
	line-height: 20px;
	margin-top: 12px;
}

/**********************************/
.Floor_2_bg {
	margin-top: 90px;
	width: 100%;
	height: 600px;
	background-size: cover;
	background-repeat: no-repeat;
	background-image: url(../../images/why/f2_bg.png);
}

.Floor_2 {
	width: 1108px;
	margin: 0 auto 0;
}

.Floor_2 .f2_title {
	height: 42px;
	font-size: 30px;
	font-weight: 600;
	color: #FFFFFF;
	line-height: 42px;
	margin: 0 auto;
	padding-top: 82px;
	width: fit-content;
}

.Floor_2 .f2_desc {
	width: 620px;
	height: 44px;
	font-size: 14px;
	font-weight: 400;
	color: #FFFFFF;
	line-height: 22px;
	margin: 22px auto 0;
	text-align: center;
}

.f2_block .f2_list {
	float: left;
	margin: 40px auto 0;
	width: 348px;
	height: 272px;
	background: #3B4250;
	border-radius: 4px;
    margin-right: 32px;
    cursor:pointer;
    transition: margin-bottom 0.3s ease-out 0s, opacity 0.3s ease-out 0s, height 0.15s ease-out 0s;
}

.f2_block .f2_list:hover {
	
    background-size: cover;
    background-repeat: no-repeat;
    background-image: url(../../images/why/f2_h.png);
    transition: margin-bottom 0.3s ease-out 0s, opacity 0.3s ease-out 0s, height 0.15s ease-out 0s;
	box-shadow: 0px 0px 8px 8px rgba(28,37,50,0.27);
	border-radius: 4px;
}

.f2_block .f2_list:nth-child(3) {
	margin-right: 0;
}

.f2_block .f2_list .f2_list_title {
	height: 30px;
	font-size: 24px;
	font-weight: 500;
	color: #FFFFFF;
	line-height: 30px;
    padding: 34px 0 0 22px;
}

.f2_block .f2_list .f2_list_title img {    
	width: 40px;
    height: 40px;
    vertical-align: -12px;
}

.f2_block .f2_list .f2_list_title span {
	padding-left: 5px;
}

.f2_block .f2_list .f2_list_desc {
	width: 296px;
	height: 78px;
	font-size: 14px;
	font-weight: 400;
	color: rgba(255, 255, 255, 0.8);
	line-height: 26px;
	margin: 30px auto 0;
}

.f2_block .f2_list .f2_list_btn {
	display: block; margin : 42px auto 0;
	height: 20px;
	font-size: 14px;
	font-weight: 400;
	color: #6CA2FF;
	line-height: 20px;
	padding-left: 25px;
	margin: 42px auto 0;
}

.f2_block .f2_list:hover .f2_list_btn {
    color: #5D92EE;
}
/**********************************/
.Floor_3 {
	width: 1224px;
	margin: 0 auto 0;
}

.Floor_3 .f3_title {
	height: 42px;
	font-size: 30px;
	font-weight: 600;
	color: #323437;
	line-height: 42px;
	margin: 0 auto 5px;
	padding-top: 100px;
	width: fit-content;
}

.Floor_3 .f3_desc {
	width: 640px;
	font-size: 14px;
	font-weight: 400;
	color: #323437;
	line-height: 24px;
	margin: 0 auto 3px;
	text-align: center;
}

.Floor_3 .f3_btn {
	display: block;
	margin: 0 auto 0;
	height: 20px;
	font-size: 14px;
	font-weight: 400;
	color: #2372F9;
	line-height: 20px;
	width: fit-content;
	padding-top: 3px;
}

.Floor_3 .f3_img {
    margin-top: 30px;
    margin-bottom: 65px;
    text-align : center;
}
.Floor_3 .f3_img img {
    width:80%;
}
.header {
    top: 28px;
}
.index_fl3_wall{
	margin-top : 0;
}
.index_fl8_wall {
    top : 0; 
    margin-top: -63px;
}
.New_Foot_Nav{
	
    height: 356px;
	
}
.foot_nav_title{
	
    padding-top: 110px;
    font-size: 30px;
    font-weight: 100;
	
}
.foot_nav_desc{
    font-size: 14px;
}

.T_Bom {
	
    width: 100%;
}
.T_Bom .T_Bom_title{
	
    margin-top: 40px;
	
}