:root {
	--color: #354f6e;
	--sub-color: #354f6e;
	--body-bg: #ffffff;
	--footer-bg: #787878;
	--text-color: #333;
	--ccc: #ccc;
	--eee: #eee;
	--white: #fff;
}
body {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-color);
    background-color: var(--body-bg);
    font-family: "微软雅黑", arial, helvetica, sans-serif;
	overflow-x: hidden;
}

body,
html {
    height: 100%;
    position: relative;
}

a {
    color: var(--text-color);
}
button,span,input,div,div:focus,button:focus,span:focus,input:focus{
    outline: 0 !important;
}
a:hover,
a:focus {
    color: var(--color);
    text-decoration: none;
}

body,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
fieldset,
input,
p,
blockquote,
th,
td {
    font-weight: 400;
    margin: 0;
    padding: 0;
}

h1,
h2,
h3,
h4,
h4,
h5 {
    margin: 0;
    padding: 0;
}

table {
    border-collapse: collapse;
}

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

.fl {
    float: left;
}

.fr {
    float: right;
}

.ttu {
    text-transform: uppercase;
}
.my-6{
    margin-top: 4rem;
    margin-bottom: 4rem;
}

/* logo */
.logo{
	margin-right: 20px;
}
.logo img{
    max-width: 250px;
}
.logo a{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo .logo_txt{
    margin-left: 20px;
}
.logo_txt h2{
    font-size: 30px;
    font-weight: bold;
    letter-spacing: 4px;
    margin-top: 25px;
}
.logo_txt p{
    font-size: 16px;
    text-transform: uppercase;
}

/* top */
.logo_text b{
	font-size: 32px;
}
.logo_text span{
	font-size: 18px;
	text-transform: uppercase;
	color: #666;
	letter-spacing: 2px;
}
.w-80 {
    position: relative;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}
.menu>li {
    position: relative;
	flex: auto;
}
.menu>li>a {
	color: var(--text-color);
    font-size: 18px;
    text-align: center;
	width: 120px;
    line-height: 100px;
	display: inline-block;
    text-transform: uppercase;
}
.menu>li.active>a{
    font-weight: bold;
    color: var(--sub-color);
}
.tell span{
	color: var(--color);
}
.tell p{
	font-size: 24px;
	line-height: 1;
}
.menu_drop {
    position: absolute;
    left: 0;
    min-width: 100%;
    white-space: nowrap;
    background-color: var(--body-bg);
    border: 1px solid var(--ccc);
    display: none;
    padding: 4px 0;
    border-radius: 4px;
    z-index: 99;
}

.menu_drop li a {
    color: var(--text-color);
    display: block;
    text-align: center;
    line-height: 2;
    transition: all .5s;
}

.menu_drop li:hover a {
    background-color: var(--color);
    color: var(--body-bg);
}

.swiper-pagination span {
    width: 16px;
    height: 16px;
    background-color: #fff;
    opacity: 1;
}
.index-banner{
    position: relative;
}
.scroll_wrapper{
    position: absolute;
    left: 50%;
    bottom: 25px;
    transform:translateX(-50%);
    z-index: 99;
}
.scroll_img{
    cursor: pointer;
    animation: arrow 1.5s cubic-bezier(0.5, 0, 0.1, 1) infinite alternate
}
@keyframes arrow {
    from{
        transform:translateY(-10px);
        opacity: 0.3;
    }
    to{
        transform:translateY(10px);
        opacity: 1;
    }
}
.index-banner .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background-color: var(--color);
}

/* banner */
.index-banner .swiper-pagination{
    bottom: 140px;
}
.index-banner .swiper-button-prev,
.index-banner .swiper-button-next {
    background-size: 60%;
}

/* 右边 */
.side_kefu {
    display: none;
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.side_kefu li {
    position: relative;
    margin-bottom: 5px;
}

.side_kefu li i {
    font-size: 20px;
}

.side_kefu li.toTop {
    cursor: pointer;
}

.side_kefu li.toTop i {
    font-size: 24px;
}

.side_kefu li .side_kefu_con {
    position: absolute;
    background-color: var(--body-bg);
    border: 1px solid var(--ccc);
    border-radius: 5px;
    right: 0;
    top: 0;
    padding: 5px 10px;
    transition: all .5s;
    transform: translateX(100%);
    z-index: -1;
}

.side_kefu li:hover .side_kefu_con {
    transform: translateX(-50px);
}

.side_kefu_con:after {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    border: 1px solid var(--ccc);
    border-color: transparent var(--ccc) var(--ccc) transparent;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    position: absolute;
    right: -6px;
    top: 10px;
    background-color: var(--body-bg);
}

.side_kefu li span {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: var(--color);
    color: var(--body-bg);
}

@media (min-width: 1200px) {
    .container {
        width: 1200px;
    }
}
@media(max-width: 1200px) {
    .my-6{
        margin-top: 1.5rem;
        margin-bottom: 1.5rem;
    }
}
.container{
	max-width: 1200px;
}
.tell{
    display: flex;
    align-items: center;
}
.tell span{
    font-size: 22px;
    font-style: italic;
    font-weight: bold;
    color: var(--color);
}
.containers{
    width: 1400px;
    margin: auto;
}

/* abouts */
.index_about{
    margin-top: 50px;
    display: flex;
    justify-content: space-between;
}
.index_about .about_left,.index_about .about_right{
    flex: 0 0 50%;
    width: 50%;
    background-color: #dcdcdc;
}
.index_about .about_left{
    padding-left: 150px;
    padding-right: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.about_left_title {
    color: #222222;
    font-size: 42px;
    font-weight: bold;
    height: 60px;
    line-height: 60px;
    margin-top: 50px
}
.about_left_content{
    line-height: 30px;
    padding-top: 30px;
}
.abouts_left_more{
    width: 105px;
    height: 25px;
    color: #ffffff;
    font-size: 12px;
    background: #000000;
    display: block;
    text-align: center;
    line-height: 25px;
    margin-top: 50px;
}

/* 产品中心 */
.products_title{
    text-align: center;
    position: relative;
    margin-top: 80px;
    margin-bottom: 60px;
}
.products_title:before{
    position: absolute;
    display: block;
    content:'';
    left: 50%;
    top: -30px;
    transform: translate(-50%);
    width:84px;
    height: 6px;
    background-color: #354f6e;
}
.products_title h2{
    color: #494949;
    font-size: 40px;
    font-weight: bold;
    text-align: center;
    margin: auto;
    height: 70px;
    line-height: 70px;
}
.products_title p{
    color: #373737;
    font-size: 23px;
    text-align: center;
    margin: auto;
    height: 35px;
    line-height: 35px;
    margin-bottom: 60px;
}

.home_pro ul{
    width: 96%;
    margin: auto;
    display: flex;
    justify-content: flex-start;
}
.home_pro ul li {
    flex: 0 0 31.6%;
    width: 31.6%;
    margin:0 1%;
}
.home_pro ul li a{
    display: flex;
    position: relative;
}
.home_pro ul li a:before{
    position: absolute;
    content: '';
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background-color: #00479d;
    opacity: 0;
    z-index: 1;
    transition: all .3s;
}
.home_pro ul li:hover a:before{
    opacity: 0.4;
}
.home_pro ul li a .home_pro_title{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    font-size: 36px;
    font-weight: bold;
    color: #fff;
    z-index: 9;
}

/* join */
.join{
    background-position: no-repeat;
    background-size: cover;
    min-height: 720px;
}
.join_con{
    margin-left: 50%;
    padding-top: 12%;
    color: #fff;
}
.join_con a{
    color: #fff;
}
.join_title{
    font-size: 48px;
    font-weight: bold;
    line-height: 1;
}
.sub_title{
    margin-top: 60px;
    margin-bottom: 60px;
    line-height: 1.2;
}
.sub_title p{
    font-size:18px;
    font-weight: bold;
}
.sub_title a{
    font-size: 24px;
    font-weight: bold;
}

/* news */
.news_title{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}
.news_title_l{
    font-size: 40px;
    font-weight: bold;
    margin-top: 80px;
    position: relative;
}
.news_title_l:before{
    position: absolute;
    display: block;
    content: '';
    left: 0;
    top: -30px;
    width: 84px;
    height: 6px;
    background-color: #354f6e;
}
.news_title a{
    font-size: 18px;
}
.news_list{
    display: flex;
    margin-left: -1.6%;
    margin-right: -1.6%;
    margin-bottom: 120px;
}
.news_list li{
    flex: 0 0 31%;
    width: 31%;
    margin: 0 1.6%;
}
.news_list li h2{
    font-size: 16px;
    font-weight: bold;
    margin-top: 10px;
    margin-bottom: 10px;
    color: #333;
}
.news_list li p{
    color: #333;
}

/* footer */
footer{
    background-color: #4b4b4b;
    color: #fff;
    padding-top: 50px;
}
footer a{
    color: #fff;
    transition: all .3s
}
.flogo{
    max-width: 200px;
    margin-bottom: 20px;
}
.footer_t_l p{
    margin-top: 10px;
}
.footer_b{
    border-top: 1px solid #fff;
    padding-top: 40px;
    margin-top: 40px;
}
.footer_t{
    display: flex;
    justify-content: space-around;
    padding-left: 100px;
    padding-right: 100px;
}
.footer_t_l{ 
    display: flex;
    flex-direction: column;
    align-items: center;
}
.footer_t_r{
    min-width: 60%;
    display: flex;
    justify-content: space-between;
}
.footer_t_r li{
    display: flex;
    flex-direction: column;
}
.footer_t_r span{
    font-size: 16px;
    font-weight: bold;
}

/* content */
.cont span{
    font-weight: bold;
    color: var(--sub--color);
    font-size: 16px;
}
.cont{
    margin-top: 30px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ccc;
    margin-bottom: 10px;
}
.position ul{
    display: flex;
    margin-bottom: 20px;
}
.position ul li a{
    color: #ffffff;
    text-align: center;
    font-size: 16px;
    width: 250px;
    height: 55px;
    line-height: 55px;
    display: block;
    background-color: #bfbfbf;
    margin-right: 10px;
    transition: all .3s
}
.position ul li.active a,.position ul li:hover a{
    background-color: var(--sub-color);
}
.page-link{
    color: var(--sub--color);
}

/* abouts */
.article_list li{
    padding-bottom: 10px;
    border-bottom: 1px dashed #cccccc;
    padding-top: 10px;
}
.article_list li .more{
    float: right;
}
.article_list li h3 a{
    width: calc(100% - 10px);
    line-height: 30px;
    color: #222222;
    height: 30px;
    border-left: 4px solid #354f6e;
    padding-left: 6px;
    margin-top: 5px;
    margin-bottom: 5px;
    display: block;
    font-size: 16px;
    font-weight: bold;
}
.article_list li span{
    width: 100%;
    line-height: 40px;
    color: #133984;
    height: 40px;
}
.article_list li .more a{
    width: 150px;
    height: 40px;
    background: #354f6e;
    color: #ffffff;
    line-height: 40px;
    display: block;
    text-align: center;
    border-radius: 100px;
}
.article_show h1{
    width: 100%;
    text-align: center;
    font-size: 20px;
    line-height: 30px;
    padding-top: 10px;
    padding-bottom: 10px
}
.article_show p{
    width: 100%;
    text-align: center;
    border-bottom: 1px #cccccc dashed;
    font-size: 14px;
    padding-top: 5px;
    padding-bottom: 15px;
    margin-bottom: 15px;
}
.pro_con_title{
    text-align: center;
    font-weight: bold;
    margin-bottom: 30px;
    font-size: 20px;
}
.sub_pro{
    display: flex;
    margin-bottom: 30px;
    flex-wrap: wrap;
}
.sub_pro li{
    margin-bottom: 10px;
}
.sub_pro li a{
    text-align: center;
    font-size: 16px;
    width: 248px;
    height: 43px;
    line-height: 43px;
    display: block;
    background: #ffffff;
    margin-right: 10px;
    border: 1px solid #000000;
    transition: all .3s;
}
.sub_pro li a.on{
    background-color: #354f6e;
    color: #fff;
}