body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td {
	margin: 0;
	padding: 0;
}
a {
	text-decoration: none;
}
fieldset, img {
	border: 0;
}
address, caption, cite, code, dfn, em, th, var {
	font-style: normal;
	font-weight: normal;
}
ol, ul {
	list-style: none;
}
caption, th {
	text-align: left;
}
q:before, q:after {
	content: '';
}
abbr, acronym {
	border: 0;
}
/*通用父子盒子嵌套浮动问题解决，开始*/
.clear {
	margin: 0px auto;
	width: 100%;
	height: 1px;
	font-size: 1px;
	clear: both;
	background: none;
	overflow: hidden;
}
.clearfix:after {
	content: ".";
	display: block;
	height: 0;
	clear: both;
	visibility: hidden;
}
.clearfix {
	display: inline-block;
}
* html .clearfix {
	height: 1%;
}
.clearfix {
	display: block;
}
* {
   -webkit-box-sizing: border-box; 
   -moz-box-sizing: border-box;
   box-sizing: border-box;
   margin:0; 
}
*:before,*:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  margin:0;
}
/*通用父子盒子嵌套浮动问题解决，结束*/
/*间隙层开始*/
.space_hx { /*横向间隙*/
	clear: both;
	width: 100%;
	height: 20px;
	font-size: 1px;
	overflow: hidden;
}
.space_zx { /*纵向间隙*/
	float: left;
	width: 10px;
	font-size: 1px;
	overflow: hidden;
}
/*间隙层结束*/
/*适配不同屏幕*/
@media screen and (max-width:1230px) {
    .h_top,
    .head,
    .wrap,
    .mainPhoto {
        width: 960px;
    }
    .head .nav_m {
        float: none;
    }
    .head .nav li {
        margin-left: 23px;
        margin-top: 10px;
    }
    .wrap_a .i_news {
        width: 350px;
    }
    .wrap_a .i_about {
        width: 590px;
    }
    .i_about dl dd {
        width: 370px;
    }
    .mainPhoto .go {
        left: 50px;
        width: 860px;
    }
    .mainPhoto .go li {
        margin-right: 15px;
        width: 203px;
    }
    .mainPhoto .go li img {
        width: 203px;
        height: 250px;
    }
    .f_nav .f_navl dt {
        width: 220px;
        height: 275px;
        margin-top: 40px;
    }
    .f_nav .tt {
        font-size: 15px;
    }
    .f_navl .f_name {
        font-size: 30px;
    }
    .f_navl dd p {
        font-size: 12px;
    }
    .f_nav .f_navl {
        width: 470px;
    }
    .f_nav .f_navl dd {
        width: 245px;
    }
    .f_nav .line {
        width: 5px;
    }
    .f_nav .f_navr {
        width: 460px;
    }
    .f_navr .f_name {
        font-size: 40px;
        padding-top: 10px;
    }
    .f_navr {
        background-size: 400px;
        height: 290px;
    }
    .scd .scd_l {
        width: 225px;
    }
    .scd .scd_r {
        width: 710px;
    }
    .news dl dd {
        width: 430px;
    }
    .contact .ct_m dl dt div {
        margin: 10px 20px 0;
    }
    .pro .pro_a {
        width: 100%;
        padding-left: 0;
        padding-top: 40px;
    }
    .pro .pro_a a {
        width: 120px;
        font-size: 13px;
    }
    .logo {
        float: left;
        margin-left: 10px;
        margin-top: 10px;
    }
    .logo img {
        width: 142px;
        height: 40px;
    }
}

@media screen and (max-width:990px) {
    .h_top,
    .head,
    .wrap,
    .mainPhoto {
        width: 740px;
    }
    .nav_m .n_icon {
        display: block;
    }
    .head .nav_m {
        position: absolute;
        width: 100%;
    }
    .head .nav {
        width: 100%;
        position: absolute;
        background: #FFF;
        top: 70px;
        left: 0;
        z-index: 99;
        padding-right: 10px;
        display: none;
    }
    .head .nav li a {
        margin-top: 0px;
    }
    .head .logo {
        width: 300px;
        padding-top: 3px;
    }
    .wrap_a .i_news {
        width: 300px;
    }
    .wrap_a .i_about {
        width: 425px;
    }
    .i_about dl dd {
        width: 255px;
        height: 100%;
    }
    .mainPhoto .go {
        width: 650px;
    }
    .f_nav .f_navl {
        width: 400px;
    }
    .f_nav .f_navr {
        width: 320px;
        background-size: 320px;
    }
    .f_navr .f_name {
        font-size: 32px;
    }
    .f_navr .f_search {
        width: 205px;
        top: 40px;
    }
    .f_nav .f_navl dt {
        width: 190px;
        padding-top: 38px;
    }
    .f_nav .f_navl dd {
        width: 205px;
    }
    .f_navr .f_search {
        width: 320px;
        top: 80px;
    }
    .scd .scd_r {
        width: 490px;
    }
    .scd_r .r_top span {
        font-size: 22px;
    }
    .scd_r .r_top {
        padding-left: 230px;
    }
    .news dl dt,
    .news dl dt img {
        width: 100%;
        height: auto;
    }
    .news dl dd {
        width: 100%;
        margin-top: 15px;
    }
    .scd_r .r_top span em {
        font-size: 14px;
    }
    .contact .ct_m dl dt,
    .contact .ct_m dl dd {
        width: 100%;
        text-align: left;
    }
    .contact .ct_m dl dt div {
        margin-left: 0;
        margin-right: 40px;
    }
    .contact .ct_m ul li {
        width: 100%;
    }
    .logo {
        float: left;
        margin-left: 10px;
        margin-top: 10px;
    }
    .logo img {
        width: 160px;
        height: 40px;
    }
}

@media screen and (max-width:770px) {
    .h_top,
    .head,
    .wrap,
    .mainPhoto,
    .wrap_a .i_news {
        width: 480px;
    }
    .head .logo {
        width: 300px;
        padding-top: 12px;
    }
    .head .logo .h_code {
        right: 10px;
    }
    .wrap_a .i_about,
    .f_nav .f_navl {
        width: 100%;
        margin-bottom: 20px;
    }
    .i_about dl dd {
        width: 270px;
        height: 100%;
    }
    .mainPhoto span.goleft,
    .mainPhoto span.goright {
        width: 18px;
    }
    .mainPhoto span.goleft img,
    .mainPhoto span.goright img {
        width: 100%;
    }
    .mainPhoto .go {
        left: 30px;
        width: 430px;
    }
    .f_nav .f_navr {
        width: 100%;
        background-size: 400px;
    }
    .f_nav .line {
        display: none;
    }
    .f_navr .f_search {
        top: 40px;
    }
    .f_nav .f_navl dt {
        width: 220px;
        padding-top: 0;
        margin-top: 20px;
    }
    .f_nav .f_navl dd {
        width: 245px;
    }
    .head .nav li {
        margin-left: 18px;
    }
    .head .logo .h_code img {
        width: 15px;
        height: 15px;
    }
    .scd .scd_l,
    .scd .scd_r {
        width: 100%;
    }
    .pro .pro_a {
        width: 100%;
        padding-left: 0;
        padding-top: 40px;
    }
    .pro .pro_a a {
        width: 120px;
        font-size: 13px;
    }
    .pro .pro_b .pro_l {
        display: block;
    }
    .pro .pro_b table {
        display: none;
    }
    .pro .pro_b .pro_l li {
        border: 0;
        float: left;
        width: 232px;
        margin-right: 16px;
        margin-bottom: 15px;
    }
    .pro .pro_b .pro_l li:nth-child(2n) {
        margin-right: 0;
    }
    .pro .pro_b .pro_l li p {
        width: 100%;
        height: 30px;
        line-height: 30px;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        margin-top: 5px;
    }
    .pro .pro_b .pro_l li img {
        width: 232px;
        height: 285px;
        vertical-align: top;
    }
    .logo {
        float: left;
        margin-left: 10px;
        margin-top: 10px;
    }
    .logo img {
        width: 106px;
        height: 40px;
    }
}

@media screen and (max-width:510px) {
    .h_top,
    .head,
    .wrap,
    .mainPhoto,
    .wrap_a .i_news {
        width: 320px;
    }
    .head .logo img {
        height: auto;
    }
    .head .logo {
        width: 190px;
        overflow: hidden;
    }
    .head .logo .h_code {
        display: none;
    }
    .head .nav li {
        margin-left: 0;
    }
    .wrap_a .i_about h1 a {
        width: 20px;
    }
    .i_about dl dt,
    .i_about dl dt img {
        display: none;
    }
    .i_about dl dd {
        width: 100%;
        height: 100%;
    }
    .mainPhoto .go li {
        width: 215px;
    }
    .mainPhoto .go li img {
        width: 215px;
        height: 250px;
    }
    .mainPhoto .go {
        width: 215px;
        left: 52px;
    }
    .f_nav .f_navl dt {
        display: none;
    }
    .f_nav .f_navl dd {
        width: 100%;
    }
    .f_navr .f_search {
        width: 180px;
    }
    .f_nav .f_navr {
        background-size: 320px;
        background-position: left 80px;
    }
    .foot a {
        padding: 0;
    }
    .scd_r .r_top {
        padding-left: 0;
        padding-top: 40px;
        text-align: left;
        height: 80px;
    }
    .scd_r .r_top .pst {
        text-align: left;
    }
    .contact .ct_m dl dt div {
        margin-right: 60px;
    }
    .contact .ct_m dl dt div:last-child {
        margin-right: 0;
    }
    .pro .pro_a a {
        width: 50%;
    }
    .pro .pro_b .pro_l li {
        width: 153px;
        margin-right: 14px;
    }
    .pro .pro_b .pro_l li img {
        width: 153px;
        height: 188px;
    }
    .logo {
        float: left;
        margin-left: 0px;
        margin-top: 5px;
    }
    .logo img {
        width: 106px;
        height: 40px;
    }
}

@media screen and (min-width:1230px) {
    .logo {
        float: left;
        margin-left: 10px;
        margin-top: 10px;
    }
    .logo img {
        width: 142px;
        height: 40px;
    }
    .product_sort {
        float: left;
    }
    .product_info {
        float: left;
        margin-left: 20px;
    }
    .product_info h1 {
        font-size: 30px;
        color: #0C343C;
        font-weight: 600;
        text-align: center;
    }
    .product_info p {
        margin-top: 10px;
        font-size: 14px;
    }
    .product_info p span {
        color: red;
    }
    .deviceproduct_list {
        margin-top: 20px;
    }
    .product_list {
        margin-top: 20px;
    }
    .product_list li {
        float: left;
        margin-left: 20px;
        text-align: center;
    }
    .deviceproduct_list li {
        float: left;
        margin-left: 40px;
        text-align: center;
    }
    .product_list li img {
        widows: 200px;
        height: 180px;
    }
    .deviceproduct_list li img {
        width: 170px;
        height: 180px;
    }
    .product_introduce {
        margin-left: 286px;
        margin-top: 20px;
    }
    .product_introduce h1 {
        font-size: 20px;
        color: #0C343C;
        font-weight: 600;
    }
    .product_introduce p {
        margin-top: 10px;
        font-size: 14px;
    }
    .product_info .bandaoti{
        padding-left: 400px;
    }
}

.clear {
    clear: both;
}

.des {
    margin-top: 10px;
    margin-bottom: 10px;
}

.product_active {
    color: #004588;
    font-weight: 600;
}