@charset "utf-8";

* {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
fieldset,
legend,
button,
input,
textarea,
th,
td,
img {
    margin: 0;
    padding: 0;
}

body,
button,
input,
select,
textarea {
    font: 16px "Microsoft Yahei", "Hiragino Sans GB", Arial, sans-serif;
    -webkit-text-size-adjust: none;
    color: #333;
}

body {
    min-width: 1200px;
    line-height: 1;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
    font-weight: normal;
}

ul,
ol,
li {
    list-style-type: none;
}

img {
    border: none;
    vertical-align: top;
}

a,
a:link,
a:visited,
a:hover,
a:active {
    text-decoration: none;
}

a {
    color: #333;
    transition: all 0.3s;
}

a:hover {
    color: #000;
}

.clear {
    clear: both;
    height: 0;
    font-size: 0px;
    line-height: 0px;
}

.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix {
    zoom: 1;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

a,
input,
button {
    outline: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

textarea {
    resize: none;
    outline: none;
}

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

.ovh {
    overflow: hidden;
}

table {
    border-collapse: collapse;
}

.mt30 {
    margin-top: 30px;
}

.mt50 {
    margin-top: 50px;
}

.posr {
    position: relative;
}

.padb {
    padding-bottom: 30px;
}


/*header*/
.header {
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    height: 130px;
    border-top: 7px solid #e50012;
}

.logo {
    float: left;
    margin-top: 17px;
}

.h_right {
    float: right;
}

.h_tel {
    font-size: 25px;
    background: url(../images/tel.png) no-repeat;
    height: 40px;
    line-height: 40px;
    width: 307px;
    font-weight: bold;
    color: #fff;
    float: right;
    padding-left: 73px;
}

.nav {
    float: left;
    clear: both;
    margin-top: 30px;
}

.nav li {
    float: left;
    margin-left: 40px;
}

.nav li a {
    display: block;
    transition: all 0.2s;
    font-size: 18px;
    height: 36px;
    line-height: 36px;
    position: relative;
    padding: 0 10px;
}

.nav li a::after {
    content: '';
    width: 50%;
    height: 3px;
    background-color: #e50012;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) rotateY(90deg);
    transition: all 0.4s;
}

.nav li.active a::after,
.nav li a:hover::after {
    transform: translateX(-50%) rotateY(0);
}


/*index*/
.banner {
    position: relative;
}

.banner .hd {
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 20px;
    z-index: 2;
}

.banner .hd ul {
    overflow: hidden;
    zoom: 1;
    text-align: center;
    padding-top: 5px;
}

.banner .hd ul li {
    display: inline-block;
    vertical-align: top;
    margin: 0 10px;
    width: 16px;
    height: 16px;
    border-radius: 16px;
    background-color: #fff;
    text-indent: -9999px;
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
}

.banner .hd ul li.on {
    width: 30px;
    background-color: #e50012;
}

.banner .bd {
    position: relative;
}

.banner .bd li img {
    width: 100%;
}

.banner .prev,
.banner .next {
    position: absolute;
    left: 2%;
    top: 50%;
    margin-top: -29px;
    display: block;
    width: 41px;
    height: 58px;
}

.banner .prev {
    background: url(../images/ban_arrow_l.png) no-repeat;
}

.banner .next {
    background: url(../images/ban_arrow_r.png) no-repeat;
    left: auto;
    right: 2%;
}

.banner .prev:hover,
.banner .next:hover {
    opacity: 0.8;
}


.product1 {
    background: #f5f5f5 url(../images/product1_bg.jpg) no-repeat center top;
    padding: 60px 0;
}

.partner {
    background-color: #e50012;
    margin: 5px 0 50px;
    padding: 10px 0;
}

.partner h3 {
    float: left;
    font-size: 30px;
    color: #fff;
    width: 50px;
    text-align: center;
    padding: 0 8px;
    line-height: 1.1;
}

.partnerScroll {
    float: left;
    width: 1150px;
}

.partnerScroll .bd li {
    float: left;
    width: 180px;
    margin: 0 5px;
}

.partnerScroll .bd li img {
    width: 100%;
    height: 130px;
}


.index_title {
    text-align: center;
    margin-bottom: 35px;
}

.title_line1,
.title_line2 {
    height: 8px;
    background: url(../images/title_line1.png) no-repeat center top;
}

.title_line2 {
    background: url(../images/title_line2.png) no-repeat center top;
}

.index_title h3 {
    font-size: 33px;
    font-weight: bold;
    margin: 25px 0 12px;
}

.index_title p {
    font-size: 15px;
}


.proSlide .hd {
    text-align: center;
    font-size: 0;
}

.proSlide .hd li {
    display: inline-block;
    vertical-align: top;
    font-size: 21px;
    background-color: #eaeaea;
    height: 45px;
    line-height: 45px;
    padding: 0 55px;
    position: relative;
}

.proSlide .hd li.on {
    background-color: #e50012;
    color: #fff;
}

.proSlide .hd li::after {
    content: '';
    position: absolute;
    top: 13px;
    right: 0;
    width: 2px;
    height: 20px;
    background-color: #333;
}

.proSlide .hd li:last-child::after {
    display: none;
}

.proSlide .hd li.on::after {
    display: none;
}

.proSlide .bd {
    margin-top: 35px;
    height: 540px;
    overflow: hidden;
}

.bd_item {
    overflow: hidden;
}

.bd_item_l {
    float: left;
    width: 385px;
}

.bd_item_l a {
    display: block;
    position: relative;
}

.bd_item_l img {
    width: 100%;
    height: 540px;
}

.pmask {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    padding-top: 70px;
}

.pmask i {
    display: block;
    background: url(../images/more.png) no-repeat center top;
    height: 54px;
}

.pmask h6 {
    text-align: center;
    font-size: 25px;
    color: #fff;
    margin-top: 30px;
    padding: 0 10px;
    line-height: 1.2;
}

.pmask1 {
    padding-top: 210px;
}

.bd_item_r ul {
    display: flex;
    flex-wrap: wrap;
    gap: 2%;
    width: 100%
}

.bd_item_r li {
    width: 32%;
    margin-bottom: 20px;
}

.bd_item_r li a {
    display: block;
    position: relative;
}

.bd_item_r img {
    width: 100%;
    height: 260px;
}

.bd_item_l a:hover .pmask,
.bd_item_r li a:hover .pmask {
    display: block;
}


.product2 {
    background: url(../images/product2_bg.png);
    padding: 45px 0 25px;
}

.prolist li {
    float: left;
    width: 385px;
    margin: 0 7px 15px;
}

.prolist li a {
    display: block;
}

.prolist li a img {
    width: 100%;
    display: block;
}

.prolist li a h6 {
    height: 50px;
    line-height: 50px;
    text-align: center;
    padding: 0 10px;
    font-size: 18px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.prolist li a:hover {
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.8);
}

.process {
    background: url(../images/process_bg.jpg) no-repeat center top;
    height: 300px;
    color: #fff;
}

.process h3 {
    font-size: 35px;
    font-weight: bold;
    text-align: center;
    margin: 40px 0;
}

.process_item {
    float: left;
    width: 130px;
    text-align: center;
    margin: 0 8px;
}

.process_item p {
    margin-top: 20px;
    line-height: 1.2;
}

.process_arrow {
    float: left;
    padding-top: 32px;
}


.service {
    background: #f8f8f8 url(../images/service_bg.jpg) no-repeat center top;
    height: 800px;
    padding-top: 50px;
}

.service_l {
    float: left;
    width: 580px;
}

.service_l p {
    font-size: 15px;
    position: relative;
    padding-left: 60px;
}

.service_l p::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 5px;
    width: 6px;
    height: 6px;
    background-color: #e50012;
}

.service_r {
    float: right;
    width: 520px;
    margin-right: 20px;
}

.service_r li {
    height: 70px;
    background-color: #eee;
    border-left: 4px solid #e50012;
    margin-top: 20px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16);
    line-height: 1.5;
    padding: 23px 20px 0;
}

.service_r .s_r_2 {
    padding: 10px 20px 0;
}

.technology {
    background: #e2e2e2 url(../images/technology_bg.jpg) no-repeat center top;
    height: 855px;
    padding-top: 50px;
}

.technology_con {
    margin-top: 60px;
}

.advantage {
    background: #dce0e4 url(../images/advantage_bg.jpg) no-repeat center top;
    height: 600px;
    padding-top: 60px;
}

.advanSlide {
    margin-top: 40px;
}

.advanSlide .hd {
    text-align: center;
}

.advanSlide .hd li {
    display: inline-block;
    vertical-align: top;
    width: 295px;
    height: 70px;
    line-height: 70px;
    text-align: center;
    background-color: #646464;
    font-size: 25px;
    color: #fff;
    position: relative;
}

.advanSlide .hd li span {
    display: inline-block;
    vertical-align: middle;
    width: 38px;
    height: 38px;
    line-height: 38px;
    text-align: center;
    background-color: #fff;
    font-size: 25px;
    font-weight: bold;
    color: #646464;
    border-radius: 50%;
    margin-right: 13px;
}

.advanSlide .hd li.on {
    background-color: #e50012;
}

.advanSlide .hd li.on span {
    color: #e50012;
}

.advanSlide .hd li.on::after {
    content: '';
    background: url(../images/arrow_d.png) no-repeat center top;
    position: absolute;
    left: 0;
    bottom: -17px;
    width: 100%;
    height: 17px;
}

.advanSlide .bd {
    margin-top: 45px;
    overflow: hidden;
}

.bd_item_a {
    overflow: hidden;
}

.bd_item_al {
    float: left;
    width: 550px;
}

.bd_item_al img {
    width: 100%;
}

.bd_item_ar {
    float: right;
    width: 600px;
}

.bd_item_ar h5 {
    font-size: 35px;
    font-weight: bold;
    color: #e50012;
    margin: 22px 0;
}

.bd_item_ar h6 {
    font-size: 21px;
    line-height: 42px;
}

.bd_item_ar h6 span {
    display: block;
    font-size: 15px;
    color: #a8abae;
    text-transform: uppercase;
    margin-top: 6px;
}

.bd_item_ar_des {
    margin-top: 30px;
}

.bd_item_ar_des p {
    padding-left: 20px;
    background: url(../images/arrow_r.png) no-repeat left 5px;
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.bd_item_ar_s {
    text-align: center;
    padding-top: 10px;
}

.bd_item_ar_s_item {
    display: inline-block;
    vertical-align: top;
    padding: 0 60px;
}

.bd_item_ar_s_item b {
    font-size: 40px;
}

.bd_item_ar_s_item span {
    font-size: 30px;
}

.bd_item_ar_s_item p {
    font-size: 18px;
    margin-top: 10px;
}

.bd_item_ar_s_item:first-child {
    border-right: 1px solid #86898b;
}

.bd_item_a2 .bd_item_ar_des p {
    margin-bottom: 14px;
}

.bd_item_a3 .bd_item_ar_s {
    padding-top: 35px;
}

.bd_item_a4 .bd_item_ar_s {
    padding-top: 60px;
}


.equipment .index_title {
    background-color: #d00010;
    color: #fff;
    margin: 0;
    padding: 30px 0;
}

/* .equipment_con {
    background: url(../images/equipment_bg.jpg) no-repeat center top;
    height: 740px;
} */


.about {
    /* background: url(../images/about_bg.jpg) no-repeat center top; */
    height: 700px;
}

.about_l {
    width: 570px;
    color: #fff;
    padding-top: 80px;
}

.about_l .index_title {
    text-align: left;
    margin-bottom: 70px;
}

.title_line3 {
    height: 8px;
    background: url(../images/title_line3.png) no-repeat;
}

.about_txt {
    font-size: 17px;
    line-height: 1.7;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 12;
}

.about_txt p {
    margin-bottom: 30px;
}

.amore {
    display: block;
    margin-top: 60px;
    width: 90px;
    height: 34px;
    line-height: 34px;
    text-align: center;
    background-color: #e50012;
    color: #fff;
    font-size: 15px;
}

.amore:hover {
    transform: translateX(5px);
    color: #fff;
}


.news {
    padding: 45px 0;
}

.news_list li {
    float: left;
    width: 380px;
    margin: 30px 10px;
}

.news_list li a {
    display: block;
    height: 180px;
    background-color: #fff;
    border: 1px solid #d8d8d8;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.25);
    padding: 0 20px;
}

.news_list li span {
    display: block;
    width: 130px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background-color: #e50012;
    color: #fff;
    font-size: 17px;
    border-radius: 8px;
    margin: -20px auto 0;
}

.news_list li h6 {
    font-size: 17px;
    color: #000;
    margin: 20px 0 15px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news_list li p {
    font-size: 14px;
    color: #575757;
    line-height: 1.8;
}

.news_list li a:hover {
    background-color: #f2f2f2;
    border-color: #e50012;
}



/*footer*/
.footer {
    background-color: #333;
    color: #fff;
}

.footer a {
    color: #fff;
}

.footer a:hover {
    text-decoration: underline;
}

.f_fast {
    padding: 35px 0 60px;
}

.f_contact {
    float: left;
    width: 350px;
}

.f_logo {
    margin-bottom: 50px;
}

.f_contact p {
    margin-bottom: 12px;
    font-size: 17px;
}

.f_fast_r {
    float: right;
    margin-top: 60px;
}

.f_nav {
    border-bottom: 1px solid #858585;
    padding-bottom: 15px;
}

.f_nav li {
    font-size: 17px;
    float: left;
    border-right: 1px solid #fff;
}

.f_nav li:last-child {
    border: none;
}

.f_nav li a {
    display: block;
    padding: 0 30px;
}

.f_bnav {
    margin-top: 30px;
}

.f_emw {
    float: left;
    width: 120px;
    margin: 0 100px 0 30px;
}

.f_emw h5 {
    font-size: 17px;
    margin-bottom: 12px;
}

.f_emw img {
    width: 100%;
    height: 120px;
}

.f_pnav {
    float: left;
    width: 200px;
}

.f_pnav h5 {
    font-size: 20px;
    margin-bottom: 20px;
}

.f_pnav li {
    margin-bottom: 12px;
    font-size: 17px;
}

.f_copyright {
    text-align: center;
    padding: 15px 0;
    border-top: 1px solid #858585;
    font-size: 15px;
	    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
     gap: 5px;
	
}

.backToTop {
    display: none;
    width: 50px;
    height: 50px;
    line-height: 1.5;
    text-align: center;
    position: fixed;
    right: 20px;
    bottom: 30px;
    z-index: 99;
    background-color: #000;
    color: #fff !important;
    opacity: 0.8;
}

.backToTop i {
    display: block;
    background: url(../images/backtop.png) no-repeat center top;
    height: 16px;
    width: 100%;
    margin-top: 8px;
}

.backToTop:hover {
    opacity: 1;
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
}

/*kefu*/
.kefu_right {
    position: fixed;
    left: 94%;
    bottom: 10px;
    padding-bottom: 73px;
    z-index: 999;
}

.kefu_right .kfbtn {
    width: 72px;
    height: 73px;
    margin-bottom: 1px;
    cursor: pointer;
    position: relative;
}

.kefu_right .kfbtn-qq {
    background: url(../images/kf_qq.png) 0px 0px no-repeat;
    background-color: #6da9de;
}

.kefu_right .kfbtn-qq:hover {
    background-color: #488bc7;
}

.kefu_right a.kfbtn-qq,
.kefu_right a.kfbtn-qq:visited {
    background: url(../images/kf_qq.png) 0px 0px no-repeat;
    background-color: #6da9de;
    text-decoration: none;
    display: block;
}

.kefu_right .kfbtn-wx {
    background: url(../images/kf_wx.png) 0px 0px no-repeat;
    background-color: #78c340;
}

.kefu_right .kfbtn-wx:hover {
    background-color: #58a81c;
}

.kefu_right .kfbtn-wx .kfpic {
    position: absolute;
    left: -160px;
    top: 0px;
    display: none;
    width: 160px;
    height: 160px;
}

.kefu_right .kfbtn-phone {
    background: url(../images/kf_phone.png) 0px 0px no-repeat;
    background-color: #fbb01f;
}

.kefu_right .kfbtn-phone:hover {
    background-color: #ff811b;
}

.kefu_right .kfbtn-phone .kfphone {
    background-color: #ff811b;
    position: absolute;
    width: 160px;
    left: -160px;
    top: 0px;
    line-height: 73px;
    color: #FFF;
    font-size: 18px;
    text-align: center;
    display: none;
}

.kefu_right .kfbtn-top {
    background: url(../images/kf_top.png) 0px 0px no-repeat;
    background-color: #666666;
    display: none;
}

.kefu_right .kfbtn-top:hover {
    background-color: #444;
}



/*common*/
.padd2 {
    padding: 80px 0 50px;
}

.left {
    float: left;
    width: 280px;
}

.pnav {
    border: 1px solid #ddd;
}

.pnav_tit {
    height: 60px;
    line-height: 60px;
    text-align: center;
    color: #fff;
    background-color: #e50012;
    font-size: 25px;
}

.pnav h5 {
    background-color: #ccc;
    font-size: 20px;
}

.pnav h5 a {
    display: block;
    padding: 15px 0 15px 66px;
}

.pnav ul li {
    font-size: 18px;
    border-bottom: 1px dashed #eee;
}

.pnav ul li:last-child {
    border: none;
}

.pnav ul li a {
    display: block;
    padding: 15px 20px 15px 66px;
}

.pnav ul li a:hover,
.pnav ul li.active a {
    color: #e50012;
}

.lcontact {
    margin-top: 15px;
    background-color: #666;
    color: #fff;
    padding: 20px 0;
}

.lc_tit {
    height: 50px;
    line-height: 50px;
    text-align: center;
    font-size: 22px;
    font-weight: bold;
}

.lc_line {
    display: block;
    margin: 0 auto;
}

.lc_name {
    font-size: 16px;
    margin-bottom: 10px;
    font-weight: bold;
}

.lc_con {
    padding: 25px 10px 0 20px;
    line-height: 1.5;
    font-size: 15px;
}

.lc_con p {
    margin-bottom: 10px;
}

.lc_con p span {
    visibility: hidden;
}

.right {
    float: right;
    width: 880px;
}

.breadnav {
    margin-bottom: 30px;
    background-color: #f2f2f2;
    height: 50px;
}

.breadnav h2 {
    float: left;
    font-size: 22px;
    font-weight: bold;
    border-left: 5px solid #e50012;
    padding-left: 10px;
    line-height: 50px;
}

.breadnav p {
    float: right;
    color: #999;
    font-size: 14px;
    margin: 18px 10px 0 0;
}

.breadnav p a {
    color: #999;
}

.breadnav p a:hover {
    text-decoration: underline;
    color: #000;
}

#pages {
    margin-top: 30px;
    clear: both;
    text-align: center;
}

#pages a,
#pages span {
    display: inline-block;
    text-align: center;
    padding: 0 13px;
    height: 36px;
    line-height: 36px;
    margin: 0 2px;
    border: 1px solid #aaa;
    border-radius: 4px;
}

#pages a:hover,
#pages span {
    border-color: #e50012;
    color: #e50012;
}

#pages span {
    background-color: #e50012;
    color: #fff;
}


/*news*/
.nlist li {
    border-bottom: 1px dashed #ddd;
}

.nlist li a {
    display: block;
    padding: 15px;
    overflow: hidden;
}

.nlist li h6 {
    font-size: 18px;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nlist li span {
    display: block;
    font-size: 12px;
    color: #999;
    margin-top: 15px;
}

.nlist li p {
    font-size: 15px;
    line-height: 1.4;
    margin-top: 5px;
    color: #666;
}

.nlist li b {
    font-size: 12px;
    color: #e50012;
    font-weight: normal;
}

.nlist li a:hover {
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.nlist li a:hover .nlist_pic img {
    transform: scale(1.1);
}

.nlist li a:hover h6 {
    color: #e50012;
}

.ns_tit {
    font-size: 25px;
    text-align: center;
    line-height: 1.2;
    padding: 0 15px;
}

.ns_des {
    color: #999;
    text-align: center;
    font-size: 14px;
    padding: 5px;
    border-radius: 4px;
    border: 1px dashed #eee;
    margin-top: 30px;
}

.ns_con {
    color: #666;
    line-height: 1.6;
    margin-top: 35px;
}

.ns_con p,
.ns_con div {
    margin-bottom: 15px;
}

.ns_con img {
    max-width: 100%;
    height: auto !important;
}

.ns_page {
    margin-top: 50px;
    border: 1px dashed #eee;
    color: #999;
    padding: 10px 20px;
    font-size: 15px;
}

.ns_page p {
    padding: 8px 5px;
}

.ns_page p a {
    color: #999;
}

.ns_page p a:hover {
    color: #000;
}

/*contact*/
.as_con {
    font-size: 18px;
}


/*product*/
.plist ul li {
    float: left;
    width: 280px;
    overflow: hidden;
    text-align: center;
    margin: 0 6px 15px;
}

.plist ul li a {
    display: block;
}

.plist ul li img {
    width: 100%;
    transition: all 0.5s;
}

.plist ul li h6 {
    height: 40px;
    line-height: 40px;
    text-align: center;
    padding: 0 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plist ul li:hover {
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    transform: translateY(-1px);
}

.ps_tit {
    font-size: 26px;
    font-weight: bold;
    text-align: center;
}

.ps_pic {
    text-align: center;
    margin-top: 30px;
}

.ps_tel {
    margin-top: 30px;
    font-size: 18px;
    border: 1px dashed #ddd;
    border-radius: 40px;
    line-height: 40px;
    height: 40px;
    text-align: center;
}

.ps_contit {
    background-color: #f8f8f8;
    margin-top: 30px;
    padding: 10px;
    font-weight: bold;
    color: #e50012;
}

.ps_con {
    padding: 30px 20px;
    border: 1px solid #eee;
    color: #666;
    line-height: 1.6;
}

.ps_con p,
.ps_con div {
    margin-bottom: 15px;
}

.ps_con img {
    max-width: 100%;
    height: auto !important;
}

/* about */
.nban {
    background: url(../images/nbanner.jpg) no-repeat center top;
    height: 190px;
    background-size: cover;
    position: relative;
}

.nban_mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.title_line4 {
    height: 8px;
    background: url(../images/title_line4.png) no-repeat;
    margin: 70px 0 15px;
}

.nban h2 {
    font-size: 35px;
    font-weight: bold;
    color: #fff;
}

.nabout {
    background: url(../images/nabout_bg.png) no-repeat center bottom;
    background-size: 100% auto;
    padding: 20px 0 80px;
}

.na_bread {
    color: #747474;
    margin-bottom: 25px;
}

.na_bread a {
    color: #747474;
}

.na_bread a:hover {
    color: #000;
}

.na_subnav {
    text-align: center;
}

.na_subnav li {
    display: inline-block;
    vertical-align: top;
    width: 160px;
    margin: 0 2px 12px;
}

.na_subnav li a {
    display: block;
    height: 50px;
    line-height: 50px;
    background-color: #bfbfbf;
    color: #000;
    font-size: 18px;
}

.na_subnav li a:hover {
    background-color: #e50012;
    color: #fff;
}

.na_subnav li.active a {
    color: #fff;
    background: #e50012 url(../images/arrow_up.png) no-repeat center bottom;
}

.na_con {
    font-size: 17px;
    color: #030303;
    line-height: 1.7;
    margin-top: 50px;
}

/*kehu*/
.npartner {
    text-align: center;
    padding: 0 60px;
}

.npartner li {
    float: left;
    width: 182px;
    border: 1px solid #e50012;
    margin: 30px 15px 0;
}

.npartner li img {
    width: 100%;
    height: 130px;
}