:root {
	--color: #1f6461;
	--sub-color: #1f6461;
	--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 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:last-child span{
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #e8e8e8;
    border-radius: 50%;
    width: 30px;
    height: 30px;
}
.menu> li:last-child span i{
    color: var(--white);
}
.menu>li>a {
	color: var(--text-color);
    font-size: 16px;
	padding: 10px 15px;
	display: inline-block;
    text-transform: uppercase;
}

/* search */
.search{
    position: relative;
    margin-left: 70px;
}
.search:hover form{
	opacity: 1;
	visibility: visible;
}
.search form {
	position: absolute;
	right: 0;
	display: -webkit-flex;
	display: -ms-flex;
	display: flex;
	justify-content: space-between;
	z-index: 9;
	opacity: 0;
	visibility: hidden;
	transition: all .5s;
}
.search form input{
	border: 1px solid #ccc;
	line-height: 35px;
	height: 35px;
	padding-left: 10px;
	min-width: 150px;
	outline: none;
}
.search form button{
	width: 50px;
	height: 35px;
	line-height: 35px;
	border: none;
	background-color: var(--text-color);
	color: #fff;
	outline: none;
}

.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: 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;
}



/* aboutus */
.aboutus_bg{
	background: url(../images/aboutus_bg.jpg) no-repeat center;
	min-height: 875px;
}
.abouts_con{
	margin-left: -3vw;
}
.abouts_con h2{
	font-size: 40px;
	margin-top: 8vw;
}
.abouts_con h3{
	font-size: 32px;
	text-transform: uppercase;
	color: #b8b8b8;
	margin-bottom: 20px;
}
.abouts_con_text p{
	text-indent: 2em;
	font-size: 16px;
	line-height: 2;
}
.abouts_con a{
	display: block;
	width: 145px;
	height: 40px;
	line-height: 40px;
	border: 1px solid #666;
	color: #333;
	text-align: center;
	margin-top: 20px;
	text-transform: uppercase;
	font-weight: bold;
}

/* products */
.title h2{
    font-size: 48px;
}
.title p{
    font-size: 22px;
    text-transform: uppercase;
    color: #777;
}
.title a.more{
    display: block;
    width: 140px;
    line-height: 40px;
    line-height: 40px;
    border: 1px solid #ccc;
    font-weight: bold;
    text-align: center;
    margin: 0 auto;
    margin-top: 20px;
    bottom: 20px;
    text-transform: uppercase;
}
.pro_home_list{
    position: relative;
    z-index: 9;
}
.pro_bg{
    background-color: #dedede;
    padding: 3vw 5vw;
    position: relative;
}
.pro_bg:after{
    position: absolute;
    display: block;
    content:'';
    background-color: rgba(0,0,0,.3);
    left: 0;
    bottom: 0;
    width: 100%;
    height: 50vh;
    z-index: 1;
}
.poa_t{
    position: relative;
    z-index: 9;
}
.pro_home_title{
    display: flex;
}
.pro_home_title li{
    background-color: var(--color);
    margin-right: 15px;
}
.pro_home_title li a{
    color: #fff;
    padding: 5px 10px;
    font-size: 30px;
    white-space: nowrap;
}
.pro_home_list_con{
    display: block;
    position: relative;
    overflow: hidden;
}
.pro_home_list_con:after{
    position: absolute;
    display: block;
    content:'';
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    transform: translate(-100%);
    background-color: rgba(0,0,0,.4);
    transition: all .5s;
}
.pro_home_list_con:hover:after{
    transform: translate(0);
}
.pro_home_list_con span{
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 80px;
    line-height: 80px;
    border: 1px solid #fff;
    color: #fff;
    text-align: center;
    font-size: 24px;
    z-index: 9;
}
.swiper-btn{
    display: flex;
    position: relative;
    width: 200px;
    margin: 50px auto;
}

/* join */
.join_bg{
    background: url(../images/join_bg.jpg) no-repeat center top;
    padding-bottom: 50px;
}
.join_t{
    padding-left: 5vw;
}
.join_t h2{
    font-size: 70px;
    text-transform: uppercase;
    margin-bottom: 15px;
    font-family: impact;
    color: #888;
}
.join_t span{
    font-size: 32px;
    margin-bottom: 30px;
    display: block;
}
.join_l{
    padding-left: 5vw;
    padding-top: 3vw;
}
.join_l h3{
    font-size: 32px;
    letter-spacing: 5px;
    margin-bottom: 30px;
}
.join_l p{
    font-size: 18px;
    margin-bottom: 8vw;
}
.join_bottom{
    margin-top: 5vw;
}
.join_bottom span{
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}
.join_bottom span a{
    width: 23%;   
    font-size: 18px;
    line-height: 2.5;
    background-color: var(--color);
    color: var(--white);
    text-align: center;
}
.join_bottom p{
    font-size: 16px;
}
/* news */
.news_list h3{
    font-size: 16px;
    font-weight: bold;
}
footer{
    background-color: #494949;
    padding-bottom: 30px;
}
footer .col-12{
    position: relative;
    padding-top: 50px;
}
footer .col-12:after{
    position: absolute;
    display: block;
    content:'';
    width: 100%;
    height: 8px;
    background: var(--color);
    left: 0;
    top: 0;
}
.fright{
    margin-left: 50px;
    flex: auto;
}
.fright ul{
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}
.fright ul span{
    display: flex;
    flex-direction: column;
}
.fright a,.fright{
    color: rgba(255,255,255,.8);
}
.fright ul li h3{
     font-size: 16px;
     margin-bottom: 10px;
}