.backgrou {
    display: none;
    position: relative;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
}

.backgrou div {
    width: 420px;
    height: 280px;
    background: #FFFFFF;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
    opacity: 1;
    position: absolute;
    top: 400px;
    left: 50%;
    transform: translateX(-50%);
}

.backgrou div img {
    position: absolute;
    width: 140px;
    height: 140px;
    border: 1px solid #EDEDED;
    opacity: 1;
    top: 36px;
    left: 140px;
}

.backgrou div span {
    width: 108px;
    height: 16px;
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #666666;
    opacity: 0.99;
    position: absolute;
    top: 186px;
    left: 50%;
    transform: translateX(-50%);
}

.backgrou div a {
    display: block;
    text-align: center;
    width: 120px;
    height: 36px;
    line-height: 36px;
    background: #2181ED;
    color: white;
    opacity: 1;
    border-radius: 100px;
    position: absolute;
    top: 223px;
    left: 50%;
    transform: translateX(-50%);
}

.immediate {
    display: inline-block;
    width: 110px;
    height: 36px;
    border: 1px solid #FFFFFF;
    opacity: 1;
    border-radius: 4px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 36px;
    color: #FFFFFF;
    text-align: center;
    position: absolute;
    top: 370px;
}

.immediateTwo {
    display: inline-block;
    width: 110px;
    height: 36px;
    border: 1px solid #FFFFFF;
    opacity: 1;
    border-radius: 4px;
    margin-left: 124px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 36px;
    color: #FFFFFF;
    text-align: center;
    position: absolute;
    top: 370px
}

header .logo_1 {
    position: relative;
    top: 55px;
    left: 491px;
}

header .logo_2 {
    position: absolute;
    top: 240px;
    left: 875px;
}

header>div>h1 {
    font-size: 40px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    line-height: 52px;
    color: #FFFFFF;
    opacity: 1;
    position: absolute;
    top: 184px;
}

header>div>span {
    display: block;
    width: 448px;
    height: 51px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 30px;
    color: #FFFFFF;
    opacity: 1;
    position: absolute;
    top: 252px;
}

.h420 {
    height: 420px;
}

.main1>ul>li>img {
    margin: 3px 65px 17px 0;
}

.main_p {
    height: 31px;
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 31px;
    color: #666666;
    opacity: 1;
}

.main1 p {
    margin-top: 152px;
    margin-bottom: 20px;
}

.main1 span {
    display: block;
    width: 480px;
    height: 51px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 30px;
    color: #999999;
    opacity: 1;
}

.bg {
    background: #FAFAFA;
}

.main2 p {
    margin: 164px 326px 20px 0;
}

.main2 span {
    display: block;
    width: 454px;
    height: 51px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 30px;
    color: #999999;
    opacity: 1;
}

.main3 img {
    margin: 18px 109px 32px 0;
}

.main3 p {
    margin: 159px auto 20px auto;
}

.main3 span {
    display: block;
    width: 464px;
    height: 51px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 30px;
    color: #999999;
    opacity: 1;
}

.main4 p {
    margin: 166px 377px 20px 0;
}

.main4 span {
    display: block;
    width: 464px;
    height: 51px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 30px;
    color: #999999;
    opacity: 1;
}

.main5 img {
    margin: 52px 140px 43px 0;
}

.main5 p {
    margin: 149px auto 20px auto;
}

.main5 span {
    display: block;
    width: 448px;
    height: 81px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 30px;
    color: #999999;
    opacity: 1;
}

.main6 p {
    margin: 166px 366px 20px 0;
}

.main6 span {
    display: block;
    width: 464px;
    height: 51px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 30px;
    color: #999999;
    opacity: 1;
}
.main7{
    width: 1190px;
    margin: auto;
    padding-left: 42px;
}
.main6{
    width: 1190px;
    margin: auto;
    padding-left: 57px;
}
.main5{
    width: 1190px;
    margin: auto;
    padding-left: 15px;
}
.main4{
    width: 1190px;
    margin: auto;
    padding-left: 57px;
}
.main3{
    width: 1190px;
    margin: auto;
}
.main2{
    width: 1190px;
    margin: auto;
    padding-left: 57px;
}
.main1{
    width: 1190px;
    margin: auto;
}

.main7 img {
    margin: 69px 169px 40px 0;
}

.main7 p {
    margin: 163px auto 20px auto;
}

.main7 span {
    display: block;
    width: 464px;
    height: 51px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 30px;
    color: #999999;
    opacity: 1;
}

* {
    padding: 0;
    margin: 0;
}

a {
    text-decoration: none;
}

li {
    list-style: none;
}

.flex {
    display: flex;
}

.mr50 {
    margin-right: 50px;
}

.mt6 {
    margin-top: 6px;
}

.mt12 {
    margin-top: 12px;
    display: flex;
    align-items: baseline;
}

.mt50 {
    margin-top: 50px;
}

.ml60 {
    margin-left: 60px;
}

.ml80 {
    margin-left: 80px;
}

.mtb10 {
    margin: 10px auto;
}

.mtb30 {
    margin: 30px auto;
}

.foot {
    height: 220px;
    background: #232628;
    opacity: 1;
}

.public {
    display: flex;
    padding-top: 50px;
}

.public>li:nth-child(1) {
    margin-right: 30px;
}

.public_img {
    width: 104px;
    height: 104px;
    background: #ffffff;
    border: 1px solid #707070;
    opacity: 1;
}

.public_text {
    width: 84px;
    height: 19px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 19px;
    color: #ffffff;
    opacity: 1;
    padding-left: 10px;
}

.xian {
    width: 527px;
    height: 0px;
    border: 1px solid #ffffff;
    opacity: 1;
}

.text {
    width: 28px;
    height: 19px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 19px;
    color: #ffffff;
    opacity: 1;
}

.bangquan {
    height: 19px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 19px;
    color: #ffffff;
    opacity: 1;
}

.call_me {
    height: 19px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    line-height: 19px;
    color: #ffffff;
    opacity: 1;
}

.call_me_all {
	display: inline-block;
	font-size: 13px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	line-height: 26px;
	color: #ffffff;
	opacity: 1;
	width: 249px;
	word-wrap:break-word;
}
.address{
  font-size: 13px;
	vertical-align: top;
	color: #ffffff;
	font-family: Microsoft YaHei;
	font-weight: 400;
}

#app {
    max-width: 1920px;
    min-width: 1300px;}

.ml14 {
    margin-left: 14px;
}

.mlr30 {
    margin-left: 30px;
    margin-right: 30px;
}

.w126px {
    width: 126px !important;
}

.mlr24 {
    margin-left: 24px;
    margin-right: 24px;
}

.mb24 {
    margin-bottom: 24px;
}

.flex {
    display: flex;
}

header {
    position: relative;
    background: #ffffff;
    opacity: 1;
    top: 0;
    background: url(https://hongteng-image.oss-cn-shanghai.aliyuncs.com/official-website/img/company/555.png);
    height: 480px;
    z-index: 3;
}

.top {
    max-width: 1920px;
    min-width: 1300px;
    height: 68px;
    background: #333333;
    position: absolute;
    top: 0;
}

header a img {
    position: absolute;
}

header .title {
    margin-left: 531px;
    display: flex;
    z-index: 2;
}
header .title>li {
    padding: 24px 25px;
    z-index: 2;
    width: 64px;
}
header .title>li:nth-child(1){
    width: 32px;
}
header .title li a {
    display: block;
    width: 100%;
    height: 100%;
    text-align: center;
    color: #ffffff;
    font-size: 16px;
    z-index: 2;

}
.product_case:hover .opt {
	transition-property: all;
	transition-duration: 0.5s;
	margin-top: 0px;
	height: 120px;
}

.product_case:hover .opt_i {
	opacity: 0.7;
}
.product_case_none {
	position: absolute;
	height: 0;
	left: -365px;
	top: -26px;
	transition-duration: 0.5s;
}

.opt {
	position: absolute;
   width: 1920px;
	height: 0;
	background-color: rgba(00, 00, 00, 0.7);
	top: 88px;
	overflow: hidden;
	transition-property: all;
	transition-duration: 0.5s;

}


.product_case_none .opt_i {
	position: absolute;
	opacity: 0;
	border-top: 9.5px solid transparent;
	border-right: 5.5px solid transparent;
	border-bottom: 9.5px solid #000;
	border-left: 5.5px solid transparent;
	left: 1033px;
	top: 69px;
}
.opt_ul p {
    width: 128px;
    height: 21px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 21px;
    color: #FFFFFF;
    opacity: 1;
}

.opt_ul p:nth-child(1) {
    margin-top: 28px;
    margin-bottom: 10px;
}

.opt_ul {
    width: 228px;
    height: 32px;
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 16px;
    color: #FFFFFF;
    opacity: 1;
    margin-left: 395px
}

.opt_ul span {
    display: block;
    width: 228px;
    height: 32px;
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 16px;
    color: #FFFFFF;
    opacity: 1;
}

.opt_ul span:nth-child(1) {
    margin-right: 40px;
}

.opt_ul span:nth-child(2) {
    margin-right: 29px;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	text-align: left;
}

.opt_ul span:nth-child(3) {
    margin-right: 29px;
}

.opt_xian {
    width: 0px;
    height: 80px;
    border: 1px solid #CCCCCC;
    opacity: 1;
    margin-top: 20px;
    margin-right: 40px;
    background-color: #ccc;
}

header label {
    position: absolute;
    top: 24px;
    left: 1368px;
    color: #ffffff;
    font-size: 16px;
}

header img {
    position: absolute;
}
.main6parn{
    background-color:#FAFAFA;
    width: 100%;
    height: auto;
}
.main4parn{
    background-color:#FAFAFA;
    width: 100%;
    height: auto;
}
.main2parn{
    background-color:#FAFAFA;
    width: 100%;
    height: auto;
}