/* 公共样式 */
.float_left{
    float: left;
}
.float_right{
    float: right;
}
.float_clr{
    clear: both;
}
.clearfix {
    zoom: 1;
}
.m_b10{
    margin-bottom: 10px;
}
.m_b20{
    margin-bottom: 20px;
}
.m_b30{
    margin-bottom: 30px;
}
.m_t20{
    margin-top: 20px;
}
.w20{
    width: 20px;
}
option{
    height: 100%;
}
/* 头部样式修改  */
#top{
    background: #000000;
    width: 100%;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 99999;
}
.quick-menu a:hover{
    background: #000000;
}
.d-corner {
    font: 8px/25px arial;
    color: #999;
    font-style: normal;
    float: right;
    margin-left: 2px;
    margin-top: 4px;
}
.up-arrow{
    display: none;
}
#website_ind_wrap:hover #website_nav{
    display: block;
}
#website_ind_wrap:hover .up-arrow{
    display: block;
}
#website_ind_wrap:hover .down-arrow{
    display: none;
}
#top #website_ind_wrap:hover{
    background: #d00 !important;
}
#top #website_nav:hover{
    background: #fff;
    color: #666 !important;
}
#top .wraplist_title:hover{
    background: #fff;
    color: #666 !important;
}
#top a:hover{
    background: #000;
    color: #fff;
}
#website_nav{
    display: none;
    position: absolute;
    top: 31;
    left: 15.5px;
    width: 966px;
    z-index: 999;
    background: #fff;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -o-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
}
.sub_dis_wrap{
    height: 180px;
    border-right: 1px solid #d9d9d9;
    text-align: left;
    margin: 10px 0;
    padding: 0 38px 10px;
    z-index: 1000;
    float: left;
}
.sub_dis_wrap .disList {
    list-style: none;
    display: block;
    margin-right: 10px;
    float: left;
}
.sub_dis_wrap .disList li {
    float: none;
    padding-left: 0;
    background: none;
    margin: 0 0 10px;
    padding-right: 0;
}
#top #website_nav a {
    color: #666666 !important;
}
#top #website_nav a:hover{
    background: #fff;
}

.ac{
    background: #e5e5e5;
    border-bottom: 4px solid #019dba;
}
.ac a{
    color: #019dba;
}
.ht{
    height: 100%
}
#section1,
#section2,
#section3,
#section4{
    position: relative;
    top: -120px;
}
.bg_gray{
    background: #e5e5e5;
}
.step_title{
    position: absolute;
}
.step_title:hover{
    box-shadow: 0 0 10px 1px #ff9900;
}
.m_nav,
.m_banner{
    display: none;
}
/* nav */
nav ul li a:hover{
    color: #019dba;
}
nav{
    height:75px;
    line-height: 80px;
    margin: 30px auto 0 auto !important;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #ececec;
    z-index: 10
}
nav ul{
    height: 100%;
}
.logo{
    vertical-align: middle;
    width: 120px;
}
nav ul li{
    margin-right: 20px;
    padding: 0 15px;
    box-sizing: border-box;
}
.pc_nav ul li:hover{
    background: #e5e5e5;
    border-bottom: 4px solid #019dba;
}

nav ul li a{
    display: inline-block;
    height: 100%;
    width: 100%;
}
/* nav */


.index_tit_hd {
    position: relative;
    margin: 95px 0 30px;
    font-size: 30px;
    color: #009fbd;
    font-weight: 400;
    padding-bottom: 10px;
    border-bottom: 1px solid #009fbd;
    text-indent: 30px;
    line-height: 1;
}
.index_tit_hd:before {
    position: absolute;
    left: 0;
    bottom: 0;
    content: "";
    width: 9px;
    height: 100%;
    background-color: #009fbd;
}

.index_tit_hd:after {
    position: absolute;
    right: 0;
    bottom: -9px;
    content: "";
    width: 9px;
    height: 9px;
    background-color: #009fbd;
}
.index_v1_list {
    overflow: hidden;
}
.index_v1_list ul {
    margin-right: -50px;
}
.index_v1_list li {
    position: relative;
    float: left;
    margin: 0 15px 15px 0;
}
.index_v1_list .bg {
    display: block;
    width: 390px;
}
.index_v1_list .tit {
    opacity: 0;
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 370px;
    padding: 0 10px;
    line-height: 1.8;
    background-color: rgba(0, 0, 0, .5);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    transition: all .2s;
}
.index_v1_list .hand,
.index_v1_list .hand_hover {
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -32px -32px;
    width: 64px;
    height: 64px;
    transition: all .2s;
}
.index_v1_list .hand_hover {
    opacity: 0;
}
.index_v1_list li:hover .hand_hover,
.index_v1_list li:hover .tit {
    opacity: 1;
    cursor: pointer;
}
.index_v1_list li:hover .hand {
    opacity: 0;
}
.index_v2_list ul {
    margin-top: -20px;
}
.index_v2_list li {
    position: relative;
    overflow: hidden;
    padding: 20px 0;
    border-bottom: 1px solid #efefef;
    color: #636363;
}
.index_v2_list .ibox {
    position: relative;
    float: left;
    margin-right: 10px;
    width: 200px;
}
.index_v2_list .big .ibox{
    margin-right: 25px;
    width: 600px;
}
.index_v2_list .big .ibox:hover:after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    background-color: rgba(0, 0, 0, .5);
    transition: all .2s;
    z-index: 1;
}
.index_v2_list .hand,
.index_v2_list .hand_hover {
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -15px -15px;
    width: 30px;
    height: 30px;
    transition: all .2s;
    z-index: 2;
}

.index_v2_list .big .hand,
.index_v2_list .big .hand_hover {
    margin: -32px -32px;
    width: 64px;
    height: 64px;
}
.index_v2_list .hand_hover {
    opacity: 0;
}
.index_v2_list .ibox:hover .hand_hover,
.index_v1_list .ibox:hover .hand_hover {
    opacity: 1;
    cursor: pointer;
}
.index_v2_list .ibox:hover .hand {
    opacity: 0;
}
.index_v2_list .bg {
    display: block;
    width: 100%;
}
.index_v2_list .tit {
    margin-bottom: 10px;
    font-size: 18px;
    font-weight: 700;
}
.index_v2_list .desc p {
    margin-bottom: 10px;
    font-size: 14px;
}
.index_v2_list .view-btn {
    position: absolute;
    bottom: 20px;
    background-color: #009fbd;
    color: #fff;
    width: 120px;
    text-align: center;
    font-weight: 700;
    line-height: 26px;
    border-radius: 26px;
}
.index_v2_list .view-btn:hover {
    background-color: #1a384b;
}
.index_about {
    padding-bottom: 80px;
}

@media screen and (max-width: 800px){
    html{
        font-size: 13.3333333vw;
    }
    body{
        width: 100vw;
    }
    .wrapper{
        width: 100%;
    }
    .aside_pc{
        width: 2rem;
        padding: .2rem .3rem;
    }
    #top,
    .pc_nav,
    .pc_banner,
    .rule_box,
    /* .aside_pc,  */
    .section4,
    .concat_pc,
    .footer{
        display: none;
    }
    .m_banner,
    /* .aside_m, */
    .m_content{
        display: block;
    }
    .m_nav ul li{
        text-align: center;
        margin: 0;
        padding: 0 .2rem;
        color: #31adc5;
        font-size: 0.33rem;
    }
    .logo{
        width: 1.5rem;
    }
    .hover{
        border-bottom: 3px solid #31adc5 !important;
    }
    .hover a{
        font-weight: 700;
        color: #31adc5 !important;
    }
    .pd10{
        padding: 0 10px;
        box-sizing: border-box;
    }
    .bg_logo{
        width: 1rem !important;
        height: .5rem !important;
        bottom: 66px !important;
    }
    .m_nav{
        position: fixed;
        top: 0;
        z-index: 99;
        display: flex;
        margin: 0 !important;
        height: 1rem;
        line-height: 1rem;
        padding: 0 10px;
        box-sizing: border-box;
    }
    .m_banner{
        margin-top: 1rem;
    }
    .index_tit_hd {
        margin: .4rem .3rem;
        font-size: .32rem;
        text-indent: .3rem;
        padding-bottom: .1rem;
    }
    .index_tit_hd:before {
        width: 5px;
    }
    .index_tit_hd:after {
        bottom: -5px;
        width: 5px;
        height: 5px;
    }
    .index_v1_list {
        margin: 0 .3rem;
    }
    .index_v1_list ul {
        margin-right: 0;
        display: -webkit-flex;
        display: -moz-flex;
        display: -ms-flex;
        display: -o-flex;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .index_v1_list li {
        width: 48%;
        margin: 0 0 .3rem;
    }
    .index_v1_list .spe {
        display: none;
    }
    .index_v1_list .bg {
        width: 100%;
    }
    .index_v1_list .hand {
        width: .6rem;
        height: .6rem;
        margin: 0;
        top: auto;
        left: 10px;
        bottom: 8px;
    }
    .index_v1_list .hand_hover,
    .index_v1_list .tit {
        opacity: 0!important;
    }
    .index_v1_list .tit {
        opacity: 1!important;
        width: auto;
        font-size: .26rem;
        line-height: 1.4;
        font-weight: 400;
    }
    .index_v2_list {
        margin: 0 .3rem;
    }
    .index_v2_list .ibox,
    .index_v2_list .big .ibox {
        float: none;
        margin: 0;
        width: auto;
    }
    .index_v2_list .tit {
        margin-top: 10px;
        font-size: .28rem;
    }
    .index_v2_list .desc p {
        font-size: .26rem;
        margin-bottom: .26rem;
    }
    .index_v2_list .view-btn {
        float: right;
        position: static;
        margin-top: 10px;
        width: 1.8rem;
        line-height: .4rem;
        border-radius: .4rem;
        font-size: .26rem;
    }
    .index_about {
        margin: 0 .3rem;
        padding-bottom: .8rem;
        font-size: .26rem;
    }
}