body {
    font-size: 14px;
    background-color: #ffffff;
    font-family: "Microsoft YaHei";
}

body,
div,
span,
h1,
h2,
h3,
h4,
h5,
h6,
em,
img,
strong,
b,
small,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
sub,
sup,
tt,
var,
del,
dfn,
ins,
kbd,
q,
s,
samp,
strike,
applet,
object,
iframe,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
menu,
nav,
output,
ruby,
section,
summary,
time,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
mark,
audio,
video,
input,
textarea,
select {
    margin: 0;
    padding: 0;
}

.container {
    padding: 0;
}

.container-fluid {
    padding: 0;
}

.container_block {
    padding-bottom: 40px;
}

.color-fff {
    color: #ffffff;
}

.font12 {
    font-size: 12px;
}

.font14 {
    font-size: 14px;
}

.font16 {
    font-size: 16px;
}

.font18 {
    font-size: 18px;
}

.font20 {
    font-size: 20px;
}

.font25 {
    font-size: 25px;
}

.font30 {
    font-size: 30px;
}

ul {
    margin: 0;
    padding: 0;
}

li {
    list-style-type: none;
}

a {
    color: #666;
    outline: none;
    text-decoration: none;
    -webkit-transition-duration: .3s;
    transition-duration: .3s;
}

.red {
    color: #d60007;
}

.clear:after {
    clear: both;
    height: 0;
    content: "";
    line-height: 0;
    font-size: 0;
    display: block;
}

/*header*/
.header {
    background-color: #f1f1f1;
    padding: 10px 0;
}

.header .container .pull-left {
    margin-top: 15px;
}

.header .container .pull-right {
    margin-top: 16px;
}

/*menu*/
.menu {
    height: 46px;
    background-color: #2150b4;
}

.menu .nav-pills>li {
    width: 140px;
    text-align: center;
}

.menu .nav-pills>li>a {
    border-radius: 0;
    padding: 13px 15px;
    color: #ffffff;
}

.menu .nav-pills>li>a:hover {
    background-color: #337ab7;
}

.menu .nav .open>a,
.nav .open>a:focus,
.nav .open>a:hover {
    background-color: #337ab7;
    border-color: #337ab7;
}

.menu .dropdown-menu {
    border-radius: 0;
    margin: 0;
}

.menu .menu-line {
    background: url(../images/menu_line.png) no-repeat right center;
}

.home_title {
    width: 100%;
    height: 60px;
    line-height: 60px;
    font-size: 26px;
    text-align: center;
    margin: 20px 0;
    background: url(../images/title_bg.jpg) no-repeat bottom center;
}

.home_title .blue {
    color: #1e50ae;
}

.home_about_box .about {
    background-color: #1E50AF;
}

.home_about_box .about .about_left {
    padding: 0 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}


.home_about_box .about .about_left img {
    width: 90%;
    height: 90%;
    margin-top: -60px;
}

.mb-80 {
    margin-bottom: 80px;
}

.mt-20 {
    margin-top: 20px;
}

.home_about_box .about .about_right {
    line-height: 23px;
    padding: 40px;
}

a.more {
    width: 160px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background-color: #d60007;
    color: #ffffff;
    font-size: 16px;
    display: block;
}

.home_product {
    width: 100%;
    background: url(../images/product_bg.jpg) repeat top center;
    padding: 40px 0;
}

.home_product .product_title {
    height: 40px;
    line-height: 40px;
    font-size: 18px;
    color: #ffffff;
    padding-left: 10px;
    background: url(../images/product_title_bg.png) no-repeat left center;
}

.home_product .product_title a {
    color: #ffffff;
}

.home_product .product_box {
    padding: 20px;
}

.home_product .product_box .product_box_left {
    text-align: center;
}

.home_product .product_box .product_box_left img {
    width: 100%;
    height: 100%;
    padding: 10px;
    background-color: #e8e8e8;
    margin-bottom: 20px;
}

.home_product .product_box .product_box_right {
    padding-left: 10px;
}

.home_product .product_box .product_box_right a {
    color: #ffffff;
}

.home_product .product_box .product_li {
    padding-left: 18px;
    background: url(../images/product_li.png) no-repeat left center;
}

.home_cases {
    padding: 20px 0;
}

.home_honor {
    background: url(../images/honor_bg.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 40px 0;
}

.home_honor .honor_box .image_box {
    text-align: center;
    margin-bottom: 20px;
}

.home_honor .honor_box .image_box img {
    width: 160px;
    height: 190px;
    padding: 20px;
    background-color: #FFFFFF;
}

.home_honor .honor_more {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.home_news {
    margin-bottom: 20px;
}

.home_news .thumbnail {
    margin-bottom: 0;
    border-radius: 0;
    border-bottom: 0;
}

.home_news .thumbnail .description {
    padding-top: 10px;
    height: 80px;
}

.home_news .news_time {
    background-color: #f7f6f9;
    height: 40px;
    line-height: 40px;
    padding: 0 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid #ddd;
}

.home_news .news_time .pull-right a {
    height: 40px;
    display: block;
}

.home_news .news_time .pull-right img {
    padding-bottom: 4px;
}

.products_banner {
    width: 100%;
    aspect-ratio: 16/9;
    background: url(../images/products_banner_mobile.jpg) no-repeat center center;
    background-size: cover;
}

.about_banner {
    width: 100%;
    aspect-ratio: 16/9;
    background: url(../images/about_banner_mobile.jpg) no-repeat center center;
    background-size: cover;
}

.news_banner {
    width: 100%;
    aspect-ratio: 16/9;
    background: url(../images/news_banner_mobile.jpg) no-repeat center center;
    background-size: cover;
}

.cases_banner {
    width: 100%;
    aspect-ratio: 16/9;
    background: url(../images/cases_banner_mobile.jpg) no-repeat center center;
    background-size: cover;
}

.honor_banner {
    width: 100%;
    aspect-ratio: 16/9;
    background: url(../images/contact_banner_mobile.jpg) no-repeat center center;
    background-size: cover;
}

.message_banner {
    width: 100%;
    aspect-ratio: 16/9;
    background: url(../images/message_banner_mobile.jpg) no-repeat center center;
    background-size: cover;
}

.contact_banner {
    width: 100%;
    aspect-ratio: 16/9;
    background: url(../images/contact_banner_mobile.jpg) no-repeat center center;
    background-size: cover;
}

.about_category {
    padding: 60px 0;
}

.about_category .btn-group{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.about_category .btn-group .btn {
    padding: 10px 40px;
}

.about_category .btn-group a:hover {
    color: #ffffff;
    background-color: #1e50ae;
}

.about_category .btn-group a.active {
    color: #ffffff;
    background-color: #1e50ae;
}

.about_title {
    height: 60px;
    text-align: center;
    font-size: 30px;
    color: #1e50ae;
    font-weight: bold;
    background: url(../images/about_title_bg.jpg) no-repeat bottom center;
}

.about_content {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    min-height: 400px;
    padding: 20px;
    line-height: 23px;
    overflow: hidden;
}

.about_content img {
    max-width: 100%;
}

/*products*/
.products_category {
    width: 100%;
    background-color: #f9f9f9;
}

.products_category .products_category_block {
    padding: 20px 101px;
}

.products_category .products_category_block a {
    width: 200px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    float: left;
    background-color: #FFFFFF;
    color: #666;
    border: solid 1px #e5e5e5;
    margin: 10px 20px;
}

.products_list {
    margin-top: 50px;
}

.products_list li .pic {
    width: 545px;
    height: 320px;
    float: left;
    z-index: 9;
    position: relative;
}

.products_list li .pic img {
    width: 545px;
    height: 310px;
}

.products_list li {
    margin-bottom: 80px;
    position: relative;
}

.products_list li .article {
    right: 0;
    top: 20px;
    width: 720px;
    height: 320px;
    position: absolute;
    padding: 0 33px 0 118px;
    border: solid 5px #f5f5f5;
}

.products_list li .article h3 {
    font-size: 24px;
    font-weight: normal;
    height: 70px;
    line-height: 70px;
    overflow: hidden;
    padding-left: 25px;
    position: relative;
    border-bottom: solid 1px #f5f5f5;
}

.products_list li .article p {
    width: 50%;
    float: left;
    height: 40px;
    overflow: hidden;
    font-size: 14px;
    line-height: 40px;
    padding: 0 25px;
    margin: 0;
    border-bottom: dotted 1px #f0f0f0;
    background: url(../images/arrow.png) no-repeat 10px 17px;
}

.products_list li .article .button {
    right: 30px;
    bottom: -10px;
    color: #fff;
    font-size: 14px;
    padding: 0 15px;
    border-radius: 30px;
    position: absolute;
    background: #2150b4;
}

.product_category_title {
    height: 36px;
    line-height: 36px;
    background-color: #2150b4;
    color: #FFFFFF;
    padding-left: 15px;
}

.product_category li a {
    height: 30px;
    line-height: 30px;
    padding-left: 12px;
    border-bottom: 1px solid #d2d2d2;
    display: block;
}

.product_category li a:hover {
    color: #ff6600;
}

.product_category li a.jt {
    background: url(../images/product_li.jpg) no-repeat left center;
}

.product_category li ul li a {
    border-bottom: 1px dashed #d2d2d2;
    display: block;
}

.product_category li ul li a.fk {
    padding-left: 20px;
    background: url(../images/product_fk.jpg) no-repeat 10px center;
}

.products_content .products_block {
    margin-top: 30px;
    overflow: hidden;

    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.products_content .products_block .products_block_image {
    width: 100%;
    height: 230px;
}

.products_content .products_block .products_block_image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.products_content .products_block .products_block_title {
    height: 36px;
    line-height: 36px;
}

.products_content .products_block a.products_block_more {
    width: 100px;
    height: 35px;
    line-height: 35px;
    background-color: #1e50ae;
    font-size: 12px;
    color: #FFFFFF;
    text-align: center;
    display: block;
}

/*navigation*/
.navigation {
    width: 100%;
    background-color: #f5f5f5;
}

.navigation ol {
    /* width: 1200px; */
    margin-right: auto;
    margin-left: auto;
}

.navigation .breadcrumb>li {
    line-height: 40px;
}

.navigation .breadcrumb>li i {
    color: #666;
}

/*honor*/
.honor_content {
    padding-top: 30px;
    padding-bottom: 40px;
    text-align: center;
    height: auto;
}

.honor_content:after {
    clear: both;
    float: none;
}

.honor_content .honor_block {
    width: 380px;
    float: left;
}

.honor_content .image_title {
    font-size: 14px;
    color: #333333;
    line-height: 40px;
    padding-bottom: 10px;
}

.honor_content img {
    width: 250px;
}

/*news*/
.news_box {
    overflow: hidden;
}

.news_box .news_box_left {
    padding-top: 30px;
}
.news_box .news_box_left a {
    width: 100%;
}

.news_box .news_box_left img {
    width: 100%;
    height: 230px;
    object-fit: cover;
}

.news_box .news_box_right {
    padding-top: 30px;
    padding-right: 10px;
}

.news_box .news_box_right a.news_title {
    color: #666666;
    padding: 10px 0;
    display: block;
    font-size: 18px;
}

.ellipsis-line {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news_box .news_box_right .description {
    font-size: 14px;
    color: #888;
    line-height: 25px;
}

.news_box .news_box_right .time {
    height: 30px;
    line-height: 30px;
    overflow: hidden;
}

.news_box .news_box_right .time .time-left {
    height: 30px;
    float: left;
    background: url(../images/time_icon.png) no-repeat center left;
    padding-left: 22px;
}

.news_box .news_box_right .time .time-right {
    float: right;
}

.news_while {
    border-bottom: 1px dashed #d2d2d2;
}

.news_gray {
    background-color: #eeeeee;
}

.news_content {
    /* width: 1000px; */
    margin-right: auto;
    margin-left: auto;
    padding: 20px;
}

.news_content h1 {
    font-size: 25px;
    text-align: center;
    padding-bottom: 10px;
}

.news_content .time {
    border-bottom: dotted 1px #ccc;
    height: 30px;
    line-height: 30px;
    margin-bottom: 20px;
    color: #999;
    text-align: center;
}

.news_content .content {
    line-height: 25px;
}

.news_content .content table {
    border: 1px solid #ddd;
}

.news_content .content table>tbody>tr>td,
.news_content .content table>tbody>tr>th,
.news_content .content table>thead>tr>td,
.news_content .content table>thead>tr>th {
    border: 1px solid #ddd;
    padding: 8px;
    line-height: 1.42857143;
    vertical-align: top;
}

.news_content .content img {
    max-width: 100%;
}

.news_content .tag {
    height: 40px;
    padding-top: 10px;
}

.news_content .tag a {
    font-size: 14px;
    color: #FFFFFF;
    background-color: #CCCCCC;
    padding: 5px 10px;
    margin: 0 5px;
    border-radius: 5px;
}

/*相关产品*/
.related_products {
    width: 100%;
    padding: 50px 0;
    overflow: hidden;
    background: #f4f4f4;
}

.related_products .t1 {
    color: #555;
    font-size: 18px;
    font-weight: normal;
    text-align: center;
}

.related_products .t2 {
    border: 0;
    border-top: solid 1px #e7e7e7;
}

.related_products .t2 legend {
    width: auto;
    font-size: 12px;
    color: #999;
    padding: 0 10px;
    border-bottom: 0;
}

.related_products ul {
    padding-top: 30px;
}

.related_products li {
    width: 25%;
    float: left;
    height: 30px;
    overflow: hidden;
    line-height: 30px;
    position: relative;
}

.related_products li a {
    color: #555;
    padding-left: 13px;
    display: inline-block;
}

.related_products li:after {
    width: 3px;
    height: 3px;
    content: "";
    left: 0;
    top: 12px;
    position: absolute;
    background: #1690ed;
}

/*cases*/
.cases_title {
    text-align: center;
    font-size: 30px;
    color: #1e50ae;
    font-weight: bold;
    padding-top: 30px;
    padding-bottom: 10px;
}

.cases_content .cases_block {
    position: relative;
}

.cases_content .cases_block .cases_block_image {
    width: 100%;
    height: 230px;
}

.cases_content .cases_block .cases_block_image img {
    width: 100%;
    height: 100%;
}

.cases_content .cases_block .cases_block_title {
    width: 100%;
    background-color: #224A94;
    height: 30px;
    line-height: 30px;
    margin-bottom: 20px;
}

.cases_content .cases_block .cases_block_title span {
    padding-left: 10px;
    color: #ffffff;
}

.cases_content h1 {
    text-align: center;
    font-size: 30px;
}

.cases_content .time {
    text-align: center;
    border-bottom: dotted 1px #ccc;
    height: 30px;
    line-height: 30px;
    margin-bottom: 20px;
    color: #999;
}

/*message*/
.message_title {
    font-size: 30px;
    color: #333333;
    text-align: center;
    padding-top: 30px;
}

.message_block {
    height: 558px;
    margin-bottom: 80px;
    margin-top: 30px;
    overflow: hidden;
}

.message_block .pull-right {
    width: 650px;
}

.message_block .form-horizontal {
    margin-top: 40px;
}

.message_block .message_block_title {
    font-size: 30px;
    color: #1e50ae;
    font-weight: bold;
}

.message_block .form-horizontal .form-group {
    margin-bottom: 20px;
}

.message_block .captcha {
    cursor: pointer;
}

/*contact*/
.contact_title {
    text-align: center;
    font-size: 30px;
    color: #1e50ae;
    font-weight: bold;
    padding-top: 30px;
}

/*link*/
.link {
    width: 100%;
    padding: 20px 10px;
    background: #f4f4f4;
}

/*footer*/
.footer {
    border-top: solid 4px #1e50ae;
    background-color: #211c20;
    color: #ffffff;
    padding: 20px;
}

.footer .container .weixin {
    width: 210px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.col-white{
    color: #fff;
}

.footer .container .pull-left a {
    color: #FFFFFF;
}

.footer .container .about_block .title {
    width: 60px;
    line-height: 30px;
    border-bottom: solid #ffffff 2px;
}

.footer .container .about_block ul {
    margin-top: 10px;
}

.footer .container .about_block li a {
    line-height: 22px;
    font-size: 12px;
    color: #FFFFFF;
}

.copyright {
    height: 36px;
    line-height: 36px;
    color: #ffffff;
    text-align: center;
    background-color: #000000;
}

.copyright a {
    color: #ffffff;
}

.page nav {
    text-align: center;
}

/*tag*/
.tag_list {
    padding-top: 30px;
}

.tag_list a {
    font-size: 14px;
    color: #fff;
    background-color: #777;
    padding: 5px 10px;
    float: left;
    margin: 5px;
}

.tc {
    text-align: center;
}

.border-box {
    border: 1px solid #e7e7e7;
}

.flex {
    display: flex;
}

.flex-column {
    flex-direction: column;
}

.flex-jc-center {
    display: flex;
    justify-content: center;
}

.gap-10 {
    gap: 10px;
}


.gap-20 {
    gap: 20px;
}


.gap-30 {
    gap: 30px;
}

.gap-40 {
    gap: 40px;
}

.gap-50 {
    gap: 50px;
}

.gap-60 {
    gap: 60px;
}


.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flex-end {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.flex-center-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}


.footer-about-box {
    gap: 30px;
    display: flex;
    justify-content: center;
}

.ml-30 {
    margin-left: 30px;
}

.row {
    margin-right: 0;
    margin-left: 0;
}

/* 超小屏幕（手机，小于 768px） */
/* 没有任何媒体查询相关的代码，因为这在 Bootstrap 中是默认的（还记得 Bootstrap 是移动设备优先的吗？） */

/* 小屏幕（平板，大于等于 768px） */
@media (min-width: 768px) {
    .dropdown-menu li a {
        color: #000 !important;
    }

    .products_banner {
        width: 100%;
        height: 420px;
        background: url(../images/products_banner.jpg) no-repeat center center;
    }

    .about_banner {
        width: 100%;
        height: 420px;
        background: url(../images/about_banner.jpg) no-repeat center center;
    }
    
    .news_banner {
        width: 100%;
        height: 420px;
        background: url(../images/news_banner.jpg) no-repeat center center;
    }
    
    .cases_banner {
        width: 100%;
        height: 420px;
        background: url(../images/cases_banner.jpg) no-repeat center center;
    }
    
    .honor_banner {
        width: 100%;
        height: 420px;
        background: url(../images/contact_banner.jpg) no-repeat center center;
    }
    
    .message_banner {
        width: 100%;
        height: 420px;
        background: url(../images/message_banner.jpg) no-repeat center center;
    }
    
    .contact_banner {
        width: 100%;
        height: 420px;
        background: url(../images/contact_banner.jpg) no-repeat center center;
    }
}

/* 中等屏幕（桌面显示器，大于等于 992px） */
@media (min-width: 992px) {
    .footer-about-box {
        gap: 60px;
    }

    .dropdown-menu li a {
        color: #000 !important;
    }
}

/* 大屏幕（大桌面显示器，大于等于 1200px） */
@media (min-width: 1200px) {
    .footer-about-box {
        gap: 60px;
    }
}

.navbar {
    margin-bottom: 0;
}

.navbar-brand-link img {
    width: 40px;
}

.navbar-brand-text{
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    margin-left: 10px;
}

.navbar-brand-box {
    padding: 8px 0 0 24px;
    display: flex;
    align-items: center;
}

.navbar-nav li a {
    color: #fff;
}

.nav .open>a,
.nav .open>a:focus,
.nav .open>a:hover {
    background-color: #337ab7 !important;
}

.nav>li>a:hover,
.nav>li>a:focus {
    background-color: #337ab7 !important;
}

.margin-center{
    margin: 0 auto;
}

.tabber{
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 5px 0;
    background-color: #ffffff;
    color: #000;
    font-size: 16px;
    font-weight: bold;
    z-index: 1000;
}

.tabber-item{
    flex: 1;
    text-align: center;
}

.tabber-item a{
    color: #000;
}

.tabber-icon{
    width: 30px;
    height: 30px;   
}

.tabber-text{
    font-size: 12px;
}

.p20{
    padding: 20px;
}