:root {
	--color: #153261;
	--sub-color: #ed9035;
	--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%;
}

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 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;
    text-align: center;
}
.menu>li>a {
	color: var(--text-color);
    font-size: 16px;
	padding: 10px 15px;
	display: inline-block;
    text-transform: uppercase;
    transition: all .5s;
}
.tell span{
	color: var(--color);
}
.tell p{
	font-size: 24px;
	line-height: 1;
}
.menu_drop {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    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: 12px;
    height: 12px;
}

.index-banner .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background-color: var(--color);
}

/* banner */
.index-banner .swiper-button-next.swiper-button-white,
.index-banner .swiper-button-prev.swiper-button-white {
    background-color: rgba(0, 0, 0, .2);
}
.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;
}


/* top */
.tell{
    display: flex;
    flex-direction: column;
}
.tell span{
    color: var(--sub-color);
}
.tell div{
    font-size: 28px;
    color: var(--color);
    align-items: center;
    line-height: 1;
}
.nav_bg{
    background-color: var(--color);
}
.nav_bg .menu a{
    color: #fff;
}
.nav_bg .menu>li:hover>a {
    background-color: var(--sub-color);
}
.nav_bg .menu_drop li a{
    color: #333;
}
.nav_bg .menu_drop li:hover a{
    color: #fff;
    background-color: var(--sub-color);
}

.my-6{
    margin-top: 2vw;
    margin-bottom: 2vw;
}
/* title */
.title h2{
    font-size: 28px;
    color: var(--sub-color);
    text-transform: uppercase;
}
.title p{
    font-size: 28px;
    line-height: 1.5;
    margin-bottom: 15px;
}
.title span{
    display: block;
    width: 60px;
    height: 2px;
    background-color: #333;
}

/* products */
.pro_home_list li{
    margin-bottom: 15px;
}
.pro_home_list li a{
    display: block;
    position: relative;
}
.pro_home_list li a::after{
    position: absolute;
    display: block;
    content: '';
    width: 40px;
    height: 4px;
    background-color: #989898;
    bottom: 0;
    right: 20px;
    transition: all .5s;
}
.pro_home_list li:hover a::after{
    background-color: #153261;
}
.pro_home_list li img{
    max-width: 100%;
}
.pro_home_list li p{
    font-size: 16px;
    background-color: #eeeeee;
    color: #333;
    padding: 10px 10px;
    transition: all .5s; height:70px; line-height:70px; overflow:hidden
}
.pro_home_list li:hover p{
    background-color: var(--sub-color);
    color: #fff;
}

/* abouts */
.abouts_bg{
    background: url(../images/abouts_bg.jpg) no-repeat center;
    padding: 3vw 0;
}

@media screen and (max-width:781px) {
.abouts_bg{
    background: url(../images/abouts_bg.jpg)  repeat-y center;
    padding: 3vw 0;
}

	}

.z-99{
    position: relative;
    z-index: 1;
}
.abouts_con{
    position: relative;
    z-index: 9;
}
.abouts_con:after{
    position: absolute;
    display: block;
    content:'';
    width: 120%;
    height: 80%;
    right: 0;
    bottom: -2vw;
    background-color: rgba(255,255,255,.2);
    z-index: -1;
}
.abouts_text{
    margin-bottom: 2vw;
    margin-top: 2vw;
}
.abouts_text p{
    text-indent: 2em;
}
.abouts_text + a{
    padding: 10px 2vw;
    background-color: var(--sub-color);
    color: #fff;
}
.case_right{
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.case_con a{
    position: relative;
    display: block;
}
.case_left img{
    width: 100%;
}
.case_right img{
    max-height: 48%;
}
.case_right li{
    flex: 0 0 48%;
}
.case_con a p{
    position: absolute;
    display: block;
    left: 0;
    bottom: 0;
    right: 0;
    padding: 10px 2vw;
    background-color: var(--color);
    color: #fff;
    transition: all .5s;
}
.case_con a:hover p{
    background-color: var(--sub-color);
}
.case_con.case_right a p{
    padding: 5px 2vw;
}

/* news */
.news_home_list li{
    margin-bottom: 20px;
}
.news_home_list li a{
    display: flex;
    justify-content: space-between;
    transition: all .5s;
}
.news_home_list li div.news_home_con{
    padding: 10px;
    display: flex;
    flex: auto;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}
.news_home_con h2{
    font-size: 16px;
    font-weight: bold;
}
.news_home_con p{
    font-size: 13px;
    color: #999;
    border-bottom: 1px solid #999;
    padding-bottom: 10px;
    margin-bottom: 5px;
    margin-top: 10px;
}
.news_home_data span{
    font-size: 26px;
    color: #666666;
    font-weight: bold;
}
.news_home_data em{
    font-style: normal;
    font-size: 12px;
    margin-left: 10px;
}
.news_home_list li:hover a{
    background-color: var(--sub-color);
    color: #fff;
}
.news_home_list li:hover .news_home_con h2,
.news_home_list li:hover .news_home_con p,
.news_home_list li:hover .news_home_con .news_home_data span,
.news_home_list li:hover .news_home_con .news_home_data em{
    color: #fff;
}
.news_home_list li:hover .news_home_con p{
    border-color: #fff;
}

/* footer */
.web_footer{
    background-color: var(--color);
    color: #fff;
    padding: 2vw;
    padding-top: 4vw;
}
.fmenu{
    display: flex;
    justify-content: space-between;
}
.fmenu li h3{
    font-size: 16px;
    margin-bottom: 20px;
    position: relative;
}
.fmenu li h3:after{
    position: absolute;
    display: block; 
    content: '';
    width: 40px;
    height: 2px;
    left: 0;
    bottom: -10px;
    background-color: var(--sub-color);
}
.fmenu li span{
    display: flex;
    flex-direction: column;
}
.foot_text{
    padding: 10px 0;
    border-top: 1px solid #fff;
    margin-top: 2vw;
}
.foot_text a,.foot_text,.fmenu li h3,.fmenu a {
    color: #fff;
    transition: all .5s;
}
.pro_mt{
    margin-top: 2vw !important;
}
.pro_mb{
    margin-bottom: 2vw !important;
}