:root {
    --main-color: #275faa;
    --light-color: #5998ea;
}

.wrapper {
    width: 1200px;
    margin: 0 auto;
}
.empty-block {
    height: 30px;
    clear: both;
    
}

/* 顶部 */
.top-bar {
    padding: 25px 0;
    background-color: #f2f2f2;
    box-shadow: 0 0 5px rgba(0, 0, 0, .3);
}

.top-phone {
    text-align: right;
    color: #666;
    line-height: 1;
    margin-top: -4px;
}

.top-phone h4 {
    font: Arial;
    font-size: 28px;
    line-height: 1.4;
    color: #e3591c;
}

/* 导航 */
.nav {
    display: flex;
}

.nav li {
    margin-right: 40px;
}

.nav li a {
    display: block;
    font-weight: bold;
    font-size: 18px;
    padding-top: 20px;
    padding-bottom: 9px;
}

.nav li a i {
    display: block;
    font-style: normal;
    color: #999;
    font-weight: lighter;
    font-size: 12px;
}

.nav .active a {
    border-bottom: 6px var(--main-color) solid;
    color: var(--main-color);
}
.nav .active a i {
    color:  var(--main-color);
}
.nav li:hover a {
    border-bottom: 6px var(--light-color) solid;
}
.nav li:hover a,.nav li:hover a i {
    color: var(--light-color)
}

/* 搜索 */
.search {
    display: flex;
    align-items: center;
    color: #999;
    font-size: 14px;
}
.search-input {
    width: 200px;
    padding-left: 15px;
    padding-right: 10px;
    margin-left: .5em;
    height: 32px;
    border: 1px #dcdcdc solid;
    background-color: #f7f7f7;
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
}
.search-input:focus {
    box-shadow: 0 0 5px rgba(0, 0, 0, .2) inset; 
}
.search-btn {
    display: flex;
    height: 34px;
    padding-left: 12px;
    padding-right: 15px;
    background-color:  var(--main-color);
    font-size: 14px;
    color: #fff;
    border: none;
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;
}
.search-btn:hover {
    background-color: var(--light-color);
}


/* banner */
.banner-img {
    width: 100%;
    min-height: 250px;
    object-fit: cover;
}


/* 标题 */
.u-column-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
}
.u-column-title h2 {
    font-weight: normal;
    font-size: 24px;
}
.u-column-title h2 .iconfont {
    font-size: 28px;
    color: var(--main-color);
    margin-right: .3em;
    vertical-align: text-bottom;
}
.u-column-title-more {
    font-size: 14px;
}
.u-column-title-more:hover {
    font-weight: bold;
    color: var(--main-color); 
}

/* 产品分类列表 */
.pro-class {
    display: flex;
    flex-wrap: wrap;
}
.pro-class li {
    width: 380px;
    margin-top: 30px;
    margin-right: 30px;
    background-color: #dedede;
    min-height: 170px;
    max-height: 200px;
    position: relative;
}
.pro-class li:nth-child(3n){
    margin-right: 0;
}
.pro-class li img {
    height: 100%;
}
.pro-class .mask {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    display: flex;
    align-items: center;
}
.pro-class li a {
    width: 170px;
    padding: 20px 20px; 
    background-color: rgba(39,95,170,.75);
    text-align: right;
    color: #fff;
}
.pro-class li:hover {
    box-shadow: 0 0 10px rgba(0, 0, 0, .2);
}
.pro-class li a:hover {
    background-color: rgba(39,95,170,1);
}


/* 首页-公司动态 */
.sec-news {
    width: 575px;
    float: left;
}
.m-news {
    margin-top: 20px;
}
.m-news li {
    display: flex;
    justify-content: space-between;
    line-height: 20px;
    padding: 10px 0 ;
    border-bottom: 1px #eee solid;
}
.m-news li span {
    font-size: 14px;
    color: #999;
    padding-right: 5px;
}
.m-news li:hover {
    background-color: #eee;
}
.m-news li a:hover {
    color: var(--main-color)
}


/* 首页-企业简介 */
.sec-about {
    width: 575px;
    float: right;
}
.m-about {
    margin-top: 20px;
    line-height: 2;
    text-align: justify;
}
.m-about a {
    color: var(--main-color);
}
.m-about a:hover {
    color: var(--light-color);
}

/* 侧栏 */
.side-layout {
    width: 250px;
    background: #f2f2f2;
    padding: 20px 15px;
    flex-shrink: 0;
    margin-right: 30px;
}
.side-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.side-title h2 {
    font-weight: normal;
    font-size: 24px;
}
.side-title h2 .iconfont {
    font-size: 32px;
    color: var(--main-color);
    margin-right: .3em;
    vertical-align: text-top;
}
.side-nav {
    margin-top: 20px;
}
.side-nav li {}
.side-nav li a {
    display: block;
    line-height: 36px;
    padding: 10px 20px;
}
.side-nav li.active a {
    background-color: var(--main-color);
    color: #fff;
}
.side-nav li a:hover {
    background-color: var(--light-color);
    color: #fff;
}

.main-layout {
    flex-grow: 1;
}
.u-path {
    display: flex;
    justify-content: space-between;
    padding-bottom: 18px;
    border-bottom: 1px #ddd solid;
}
.u-path h2 {
    font-size: 24px;
    font-weight: normal;
}
.u-path span {
    font-size: 14px;
    color: #999;
}
.u-path a:hover {
    color: var(--main-color);
}
.main-container {

    
}

/* 文章列表 */
.news {}
.news li {
    padding: 10px 0;
    border-bottom: 1px #eee solid;
    transition: .3s;
}
.news li:hover {
    padding-left: 10px;
    padding-right: 10px;
    background-color: #f2f2f2;
}
.news-title a {  }
.news-title a:hover {color: var(--light-color);}
.news-text {
    color: #999;
    line-height: 1.5;
    font-size: 14px;
}
.news-attr {
    display: flex;
    justify-content: space-between;
    color: #ccc;
    font-size: 14px;
}
.news-attr a { color:var(--main-color);}
.news-attr a:hover { color: var(--light-color);}

/* 文章详细页 */
.u-text-title {
    margin-top: 1.5em;
    text-align: center;
    font-size: 20px;
}
.u-text-attr { text-align: center; font-size: 12px; color: #666; margin-top: .5em;}
.u-text-attr span { color: #999}
.u-text-remarks {
    background-color: #f2f2f2;
    color: #999;
    font-size: 14px;
    padding: 10px 20px;
    margin-top: 1em;
}
.u-text-body {
    margin-top: 1em;
    line-height: 1.8;
    min-height: 200px;
}
.u-text-body img { max-width: 100%;}


/* 产品列表 */
.pro {
    display: flex;
    flex-wrap: wrap;
}
.pro li {
    background-color: #f2f2f2;
    width: 280px;
    padding: 18px 20px;
    margin-top: 30px;
    margin-right: 25px;
    transition: .3s;
    box-sizing: border-box;
}
.pro li:nth-child(3n){
    margin-right: 0;
}
.pro li:hover{
    background-color: #fff;
    box-shadow: 0 0 15px rgba(0, 0, 0 , .15);
}
.pro-title {
    color: var(--main-color);
}
.pro-title:hover {
    color: var(--light-color);
}
.pro-text {
    margin-top: 5px;
    font-size: 14px;
    color: #999;
}
.pro-more {
    margin-top: 12px;
    display: inline-block;
    border: 1px #666 solid;
    border-radius: 30px;
    font-size: 12px;
    padding: 3px 1.5em;
    transition: .3s;
}
.pro-more:hover {
    background-color: var(--main-color);
    color: #fff;
}


/* 底部 */
.footer {
    padding: 20px 0;
    margin-top: 50px;
    background: #f2f2f2;
    box-shadow: 0 0 5px rgba(0, 0, 0, .3);
}

.footer-contact {
    text-align: center;
    font-size: 18px;
    color: #666;
    line-height: 2;
}

.footer-contact b {
    display: inline-block;
    margin-left: 1em;
    color: #000;
    font-weight: normal;
}

.footer-logo {
    text-align: center;
    margin-top: 2em;
    margin-bottom: 1em;
}

.footer-copyright {
    text-align: center;
    color: #999;
}
.footer-copyright a:hover {
    color: #f30;
}

.pagebar {
    margin-top: 2em;
    text-align: center;
}
.pagebar ul {
    display: flex;
    justify-content: center;
}
.pagebar li {
    margin-left: -1px;
    position: relative;
}
.pagebar a {
    display: block;
    line-height: 1.2;
    padding: 8px 5px;
    text-align: center;
    min-width: 28px;
    border: 1px #ccc solid;
}
.pagebar .active {
    z-index: 999;
}
.pagebar .active a {
    color: #fff;
    background-color: var(--main-color);
    border-color: transparent;
}
.pagebar .disable a {
    color: #ccc;
    border-color: #eee;
    cursor:not-allowed;
}

.pagebar li:not(.disable) a:hover {
    background-color: var(--light-color);
    color: #fff;
    border-color: transparent;
}

.prenext {}
.prenext a { color: var(--main-color);}
.prenext a:hover { color: var(--light-color);}