html{
    font-family: 'pingfang SC','helvetica neue',arial,'hiragino sans gb','microsoft yahei ui','microsoft yahei',simsun,sans-serif;
}
.line1{
    height: 10px;
    clear: both;
}
.line2{
    height: 20px;
    clear: both;
}
.line3{
    height: 30px;
    clear: both;
}
.line4{
    height: 40px;
    clear: both;
}
.page-header{
    display:block;
    position:relative;
    min-width:1000px;
    height:96px;
    width:100%;
    z-index:1000;
    font-family:PingFang SC,Lantinghei SC,Droid Sans,Helvetica Neue,Helvetica,Arial,Microsoft YaHei;
    border-bottom: 4px solid #36ae41;
}

.page-header .w1200 {
    width: 1200px;
    height: 60px;
    margin: 0 auto;
    padding-top: 36px;
}

.page-header .header-wrap{
    background-color:#fff;
    /*-webkit-box-shadow: 0 2px 2px 0 rgba(207,216,221,.7);
    box-shadow: 0 2px 2px 0 rgba(207,216,221,.7);*/
    border-bottom: none;
    padding: 0 10px 0 5px;
    position: relative;
}
.page-header.fixed .header-wrap{
    position:fixed;
    left:0;
    top:0;
    z-index:1000;
    -webkit-box-sizing:border-box;
            box-sizing:border-box;
    width:100%;
    min-width:1000px;
}
.page-header .header-wrap .header-log{
    padding: 18px 15px 0;
    /* display: inline-block; */
    position: relative;
    z-index: 1001;
    height: 54px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    font-size: 0;
    float:left;
    padding-top:0;
    margin-right: 50px;
}
.page-header .header-wrap .header-log .logo{
    /*width:148px;*/
}
.page-header .header-wrap .header-nav{
    display:inline-block;
    vertical-align:middle;
}
.header-nav-list .presentation{
    font-size: 0;
    color: #fff;
    /* display: inline-block; */
    position: relative;
    float: left;
}
.header-nav-list .presentation>a{
    display: inline-block;
    padding: 0 15px;
    color: #fff;
    line-height: 54px;
    height: 54px;
    font-size: 14px;
    -webkit-transition: background-color .4s;
    -o-transition: background-color .4s;
    transition: background-color .4s;
    color:#000;
    font-weight: 400;
    cursor: pointer;
}
.header-nav-list .presentation.active>a,.header-nav-list .presentation>a:hover{
    color:#36ae41;
}
.header-wrap .header-right{
    position:absolute;
    right:10px;
    top:0;
    font-size:14px;
    white-space:nowrap;
}
.header-wrap .header-right .right-search{
    margin: 0;
    background-color: rgba(43,48,59,.7);
    /* display: inline-block; */
    vertical-align: middle;
    font-size: 14px;
    color: #999;
    position: relative;
    float:left;
    margin-top:9px;
    background-color:#f3f5f9;
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}
.header-wrap .header-right .right-search .search-input{
    -webkit-appearance: none;
    background-color: transparent;
    border: none;
    width: 200px;
    height: 36px;
    font-size: 14px;
    line-height: 36px;
    padding-left: 38px;
    outline:none;
}
.header-wrap .header-right .right-search .nav-search-icon{
    display:inline-block;
    background-image:url(../images/search_icon.svg);
    width:16px;
    height:16px;
    vertical-align:sub;
    position:absolute;
    left:10px;
    top:10px;
    background-repeat:no-repeat;
}
.header-wrap .header-right .right-btns{
    height: 54px;
    padding-top: 9px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    float:left;
}
.header-wrap .header-right .right-btns .r-btn{
    font-size: 14px;
    text-align: center;
    display: inline-block;
    cursor: pointer;
    outline: 0;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    height: 36px;
    min-width: 80px;
    padding: 0;
    line-height: 34px;
    background-color: transparent;
    vertical-align: middle;
    margin: 0;
    color: #4a4a4a;
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
}
.header-wrap .header-right .right-btns .r-btn.r-btn-primary,.header-wrap .header-right .right-btns .r-btn:hover{
    background-color: #555;
    color:#fff;
    border:0;
}
.header-wrap .header-right .right-text-btns{
    /* float: left; */
    display: inline-block;
    font-size: 16px;
    line-height: 54px;
    color: #3366ff;
    font-weight: 700;
    vertical-align: middle;
}
#right-text-btns{

}
.header-wrap .header-right .right-text-btns .text-btn{
    color: #000;
    /* display: inline-block; */
    padding: 0 10px;
    height: 54px;
    line-height: 54px;
    text-align: right;
    float:left;
}
.header-wrap .header-right .right-text-btns .text-btn-dot{
    width: 3px;
    height: 3px;
    border-radius: 50%;
    /* display: inline-block; */
    background-color: #000;
    float: left;
    margin-top: 25px;
}
/* 黑色顶部栏 */
.c-nav-top{
    height: 40px;
    background-color: #2b303b;
    padding: 0 20px;
    position: relative;
    font-size: 0;
    z-index: 1001;
}
.c-nav-top .c-nav-all-trigger{
    height: 100%;
    display: inline-block;
    text-align: left;
    cursor: pointer;
    padding: 12px 20px 12px 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    float: left;
    position: relative;
    z-index: 1001;
}
.c-nav-top .c-nav-all-trigger .c-nav-all-trigger-icon{
    width: 16px;
    height: 16px;
    display: inline-block;
    background-image: url(../newimages/index/menu_icon.svg);
    vertical-align: middle;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}
.c-nav-top .c-nav-all-trigger .c-nav-all-trigger-text{
    font-size: 14px;
    display: inline-block;
    vertical-align: middle;
    line-height: 16px;
    color: #fff;
    padding-left: 8px;
}
.c-nav-top .c-nav-top-divider{
    display:inline-block;
    height:16px;
    margin:12px 10px;
    vertical-align:middle;
    width:1px;
    background-color:rgba(255,255,255,.2);
    position:relative;
    z-index:1001;
}
.c-nav-top .c-nav-all-trigger+.c-nav-top-divider {
    float: left;
    margin-left: 0;
    margin-right: 20px;
}
.c-nav-top .c-nav-bg-logo{
    height:100%;
    display:inline-block;
    z-index:1000;
    position:relative;
    float:left;
}
.c-nav-top .c-nav-bg-logo>i {
    width: 78px;
    height: 18px;
    margin-top: 11px;
    display: inline-block;
    background-image: url(https://imgcache.qq.com/open_proj/proj_qcloud_v2/gateway/portal/css/img/nav/logo-bg-color.svg);
    background-size: 100% 100%;
    text-indent: -10000px;
}
.c-nav-top .c-nav-top-operation {
    font-size: 0;
    position: absolute;
    top: 0;
    right: 10px;
    height: 100%;
}
.c-nav-entry-list {
    float: left;
    position: relative;
    padding-right: 10px;
    margin-right: 10px;
    font-size:14px;
}
 .c-nav-top-ctrl {
    display: inline-block;
    float: left;
    height: 100%;
    font-size:12px;
    display: none;
}
.c-nav-entry-item {
    display: inline-block;
    vertical-align: middle;
    font-size: 12px;
}
.c-nav-entry-item a {
    color: #fff;
    display: block;
    line-height: 40px;
    padding: 0 10px;
}
/*.c-nav-entry-list:after{
    content:'';
    position:absolute;
    width:1px;
    height:24px;
    top:8px;
    right:0;
    background-color:rgba(255,255,255,.2);
    overflow:hidden;
}*/
.c-nav-top-links {
    display: inline-block;
    float: left;
}
.c-nav-top-links .link-item {
    display: inline-block;
    padding: 0 10px;
    height: 40px;
    line-height: 40px;
    font-size: 12px;
    color: #fff;
    float: left;
}
.c-nav-top-operation a:hover{
    color:#00a4ff;
}






/* 鼠标移入下拉菜单 */
.header-nav-list .presentation>a{
    line-height:58px;
    height:58px;
}
.nav_hover_wrap {
    position:absolute;
    color:#404a58;
    -webkit-box-sizing:border-box;
            box-sizing:border-box;
    pointer-events: none;
    top:58px;
    z-index:10001;
    font-size:12px;
    padding-left:0;
    left:0px;
    margin-left:-160px;
    /* width:966px; */
    visibility:hidden;
    -webkit-transition:.3s ease;
    -o-transition:.3s ease;
    transition:.3s ease;
    -webkit-transition-delay:0s;
         -o-transition-delay:0s;
            transition-delay:0s;
    opacity:0;
    -webkit-transform:translateY(11px);
        -ms-transform:translateY(11px);
            transform:translateY(11px);
}
.header-nav-list .presentation:hover .nav_hover_wrap{
    visibility: visible;
    -webkit-transition-delay:.1s;
         -o-transition-delay:.1s;
            transition-delay:.1s;
    opacity:1;
    -webkit-transform:translateY(0);
        -ms-transform:translateY(0);
            transform:translateY(0);
}

.nav_hover_inner{
    font-size:12px;
    -webkit-box-sizing:border-box;
            box-sizing:border-box;
    padding:8px 10px;
    border:1px solid #b3b7bf;
    border-radius:2px;
    background-color:#fff;
    line-height:18px;
    position:static!important;
    top:50%;
    border-color:#dedfe0;
    -webkit-box-shadow:0 0 5px rgba(0,0,0,.15);
            box-shadow:0 0 5px rgba(0,0,0,.15);
    pointer-events: auto;
    overflow-y:auto;
    overflow-x:hidden;
    left:131px;
    display:inline-block;
    padding-bottom:20px;
}
.nav_hover_inner:after,.nav_hover_inner:before{
    content:'';
    font-size:0;
    position:absolute;
    width:0;
    height:0;
    border:8px dashed transparent;
    /* bottom:100%; */
    left:202px;
    margin-bottom:-9px;

}
.nav_hover_inner:before{
    margin-left:-8px;
    border-bottom-color:#b3b7bf;
    top:-15px;
}

.nav_hover_inner:after{
    margin-left:-7px;
    border:7px dashed transparent;
    border-bottom-color:#fff;
    top:-13px;
}







.nav_hover_menu_all{
    font-size:0;
    white-space:nowrap;
}
.nav_hover_menu_all .menu_list_col{
    -webkit-box-sizing:border-box;
            box-sizing:border-box;
    padding:15px 0 0 20px;
    display:inline-block;
    vertical-align:top;
    width:231px;
    white-space:normal;
    font-size:14px;
}
.nav_hover_menu_all .menu_list_col .menu_area_tit{
    font-size:14px;
    color:#fff;
    padding-bottom:8px;
    border-bottom:#e5e5e5 1px solid;
    max-width:190px;
}
.nav_hover_menu_all .menu_list_col .menu_area_tit h3{
    vertical-align:middle;
    display:inline;
    color:#333;
    font-weight:bold;
}
.nav_hover_menu_all .menu_list_col .menu_item{
    padding:0;
    background:0 0;
    margin-top:8px;
    font-size:12px;
}
.nav_hover_menu_all .menu_list_col .menu_item a{
    display:block;
    height:18px;
    line-height:18px;
    padding-left:0;
    -webkit-transition:all .4s;
    -o-transition:all .4s;
    transition:all .4s;
    -webkit-box-sizing:border-box;
            box-sizing:border-box;
    overflow:hidden;
    white-space:nowrap;
    -o-text-overflow:ellipsis;
       text-overflow:ellipsis;
    font-size:12px;
    color:#333;
}
.nav_hover_menu_all .menu_list_col .menu_item a:hover{
    color:#36f;
}
.page-header.fixed .header-wrap{
    height:96px;
}






/* 导航下拉2 */
.nav_hover_menu_icons .nav_list_imgs{
    float:left;
    width:928px;
    margin-top:10px;
}
.nav_hover_menu_icons .nav_list_imgs .nav-fzlink{
    position: relative;
    float: left;
    height: 70px;
    margin:0;
    width:92px;
    margin-bottom:10px;
}
.nav_hover_menu_icons .nav_list_imgs .nav-fzlink:hover .nav-list-text{
    color:#36f;
}
.nav_list_imgs .nav-fzlink .nav-list-img-i{
    display: block;
    width: 32px;
    height: 32px;
    margin: 0 auto;
    margin-top: 5px;
}
.nav_list_imgs .nav-fzlink .nav-list-img-i img{
    width:100%;
}
.nav_list_imgs .nav-fzlink .nav-list-text{
    font-size: 14px;
    color: #333;
    display: block;
    text-align: center;
    margin-top: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}



/* 三列布局 */
.com-body{
    -webkit-box-sizing:border-box;
    box-sizing:border-box;
    /* padding-bottom:1px; */
}
.com-2-hero{
    /*padding-top:10px;*/
    margin-bottom:30px;
}
.com-2-hero-inner{
    margin:0 auto;
}
.com-2-hero-list {
    font-size: 0;
}
.com-2-hero-list>.hero-cell {
    box-sizing: border-box;
    display: inline-block;
    vertical-align: middle;
    width: 30%;
}
.com-2-hero-list>.hero-cell:nth-child(2){
    /*padding:0 10px;*/
    width:40%;
}
.com-2-hero-item{
    position:relative;
    box-sizing:border-box;
    display:block;
    height:240px;
    background-color:#78a8ff;
    background-position:center right;
    background-repeat:no-repeat;
    background-size:auto 100%;
    color:#fff;
    overflow:hidden;
    font-size:14px;
    text-align:left;
}
.com-2-hero-item.black{
    background-color:#e6e9ee;
    color:#000;
}
.com-2-hero-item.blue{
    background-color:#e6e9ee;
    color:#0768a9;
}
.com-2-hero-item-img{
    position:absolute;
    left:0;
    right:0;
    top:0;
    height:100%;
    background-position:center right;
    background-repeat:no-repeat;
    background-size:auto 100%;
    -webkit-transition:-webkit-transform .3s ease-in-out;
    transition:-webkit-transform .3s ease-in-out;
    transition:transform .3s ease-in-out;
    transition:transform .3s ease-in-out, -webkit-transform .3s ease-in-out;
}
@media screen and (max-width:1920px){
    .com-2-hero-item-img{
        right:-60px;
    }
}
.com-2-hero-item-cnt {
    position: relative;
    padding: 50px 45px 0;
}
.com-2-hero-item:hover .com-2-hero-item-img{
    -webkit-transform:scale(1.025);
    transform:scale(1.025);
}
.com-2-hero-item-mark{
    display:inline-block;
    vertical-align:middle;
    padding:0 5px;
    height:20px;
    font-size:12px;
    line-height:20px;
    background-color:#00a4ff;
    border-radius:2px;
    color:#fff;
}
.com-2-hero-item-mark.white{
    background-color:#fff;
    color:#00a4ff;
}
.com-2-hero-item-title {
    font-family:PingFang SC,Lantinghei SC,Droid Sans,Helvetica Neue,Helvetica,Arial,Microsoft YaHei;
    margin-bottom: 10px;
    font-size: 28px;
    font-size: 1.8em;
    line-height: 36px;
    font-weight: 400;
    max-width: 350px;
    display: block;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    height: 42px;
}
.com-2-hero-item-desc {
    font-family:PingFang SC,Lantinghei SC,Droid Sans,Helvetica Neue,Helvetica,Arial,Microsoft YaHei;
    margin-top: 4px;
    font-size: 14px;
    line-height: 20px;
    max-width: 350px;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.com-2-hero-item-mark-wrap {
    margin-bottom: 15px;
    min-height: 20px;
    text-align:left;
}
.com-2-hero-item-btns {
    margin-top: 30px;
}
.com-arrow-btn{
    position:relative;
    display:inline-block;
    vertical-align:middle;
    box-sizing:border-box;
    min-width:102px;
    height:26px;
    border: none;
    text-align:center;
    font-size:14px;
    line-height:20px;
    color:#333;
    background-color:#fbfbd7;
    overflow:hidden;
    cursor:pointer;
    border-radius: 13px;
}
.com-arrow-btn.primary{
    background-color:#fbfbd7;
    color:#333;
}
.com-arrow-btn.blue-hole {
    background-color:#36ae41;
    color:#fff;
}
.com-arrow-btn-text {
    display: block;
    padding: 0 12px;
}
.com-arrow-btn-caret {
    position: absolute;
    right: 0;
    top: 0;
    width: 22px;
    height: 100%;
    text-align: center;
}
.com-arrow-btn.primary .com-arrow-btn-caret {
    background-color: #fff;
}
.com-arrow-btn-caret:before{
    content:'';
    position:absolute;
    right:100%;
    top:0;
    width:1px;
    height:150%;
    background-color:#00a4ff;
    -ms-transform:skewX(-20deg);
    -webkit-transform:skewX(-20deg);
    transform:skewX(-20deg);
    -webkit-transform-origin:right top;
    transform-origin:right top;
}
.com-arrow-btn.primary .com-arrow-btn-caret:before{
    width:0;
    height:0;
    border-style:solid;
    border-color:transparent #fff #fff transparent;
    border-width:12px 4px;
    background-color:transparent;
    -ms-transform:none;
    -webkit-transform:none;
    transform:none;
}
.com-arrow-btn-caret:after{
    content:'';
    display:inline-block;
    vertical-align:0;
    position:relative;
    box-sizing:border-box;
    width:8px;
    height:8px;
    border-top:1px solid #00a4ff;
    border-right:1px solid #00a4ff;
    -ms-transform:rotate(45deg);
    transform:rotate(45deg);
    margin-left:-4px;
}

.com-2-hero-item:hover .com-arrow-btn .com-arrow-btn-caret:after{
    -webkit-animation:linking .8s ease infinite;
    animation:linking .8s ease infinite;
}
@-webkit-keyframes linking{
    0%, 100%, 50%{
        left:0;
    }
    25%{
        left:3px;
    }
    75%{
        left:-2px;
    }
}
@keyframes linking{
    0%, 100%, 50%{
        left:0;
    }
    25%{
        left:3px;
    }
    75%{
        left:-2px;
    }
}



/* 五列布局 */
.com-body-main{
    -webkit-box-sizing:border-box;
    box-sizing:border-box;
    margin:30px auto;
    padding:0 10px;
    max-width:1440px;
}
@media screen and (max-width:1200px){
    .com-body-main{
        padding-left:20px;
        padding-right:20px;
    }
}
.com-hero-events{
    margin-bottom:40px;
    display:table;
    table-layout:fixed;
    width:100%;
}
.com-hero-events>.event-cell{
    position:relative;
    display:table-cell;
    vertical-align:top;
}
.com-hero-events>.event-cell:first-child{
    padding-left:0;
}
.com-hero-event{
    display:block;
    box-sizing:border-box;
    padding:10px 20px;
    margin-left:-1px;
    margin-right:-1px;
    height:134px;
    text-align:center;
    background-color:#fff;
    transition:box-shadow .3s linear;
}
.com-hero-event-img{
    display:block;
    margin:0 auto;
    width:44px;
    height:44px;
}
.com-hero-event-title{
    display: inline-block;
    vertical-align: middle;
    padding-bottom: 2px;
    max-width: 100%;
    margin-top: 10px;
    font-size: 18px;
    line-height: 28px;
    font-weight: 400;
    color: #333;
    border-bottom: 1px solid #00a4ff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.com-hero-event-desc {
    margin-top: 6px;
    font-size: 12px;
    line-height: 21px;
    color: #666;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.com-hero-events>.event-cell:before{
    content:'';
    position:absolute;
    left:0;
    top:50%;
    margin-top:-40px;
    width:1px;
    height:80px;
    background-color:#e1e3e9;
}
.com-hero-events>.event-cell:first-child:before{
    display:none;
}
.com-hero-event:hover{
    position:relative;
    z-index:2;
    box-shadow:0 0 6px rgba(207,216,221,.63), 0 4px 6px rgba(207,216,221,.63);
}



/* 技术专题 */
.com-2-layout{
    display:table;
    table-layout:fixed;
    margin-bottom:60px;
    box-sizing:border-box;
    width:100%;
}
.com-2-layout>.layout-main{
    display:table-cell;
    vertical-align:top;
    padding-left:50px;
}
.com-2-layout>.layout-side {
    display: table-cell;
    vertical-align: top;
    width: 330px;
}
.com-2-layout>.layout-main:first-child {
    padding-right: 50px;
    padding-left: 0;
}
.com-2-section-hd{
    position:relative;
    padding-bottom:10px;
    border-bottom:1px solid #d2d9e7;
    /* font-size:0; */
    line-height:30px;
}
.com-2-section.without-border .com-2-section-hd{
    border-bottom:none;
}
.com-2-section-title{
    position:relative;
    display:inline-block;
    vertical-align:middle;
    padding-left:38px;
    height:28px;
    font-size:20px;
    line-height: 28px;
    font-weight: 400;
    color: #000;
    -webkit-font-smoothing: antialiased;
}
.com-2-section-title-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
}
.com-2-section-title-icon.special {
    background-image: url(../newimages/index/base.svg);
    background-position: 78.38000000000001% 20.82%;
    background-size: 1735.7142857142858% 1660.7142857142858%;
    background-repeat: no-repeat;
}
.com-2-section-title em {
    color: #00a4ff;
    font-style:normal;
}
.com-2-section-hd-extra {
    position: absolute;
    right: 0;
    top: 0;
}
.com-2-arrow-link {
    font-size: 14px;
    color: #00a4ff;
    text-decoration: none;
}
.com-2-section-hd .com-2-arrow-link {
    display: inline-block;
    margin-left: 20px;
    line-height: 30px;
    vertical-align: middle;
}
.com-i-arrow-circle{
    display: inline-block;
    vertical-align: middle;
    width: 16px;
    height: 16px;
    -webkit-background-size: 100% auto;
    background-size: 100% auto;
    background-image: url(../newimages/index/base.svg);
    background-position: 97.23% 12.25%;
    background-size: 3037.5% 2906.25%;
    background-repeat: no-repeat;
}
.com-2-arrow-link .com-i-arrow-circle{
    position: relative;
    top: -1px;
    margin-left: 5px;
}
.com-special-list-wrap{
    position:relative;
    box-sizing:border-box;
    height:410px;
    padding:0 15px 0 30px;
    border:1px solid #e1e3e9;
}

.com-thumbnail {
    display: block;
    width: 236px;
    height: 177px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.com-special-thumbnail {
    position: absolute;
    right: 15px;
    top: 15px;
    width: 382px;
    height: 378px;
    background-size: cover;
    background-position: center;
    transition: opacity .2s linear;
}
.com-special-list {
    margin-right: 440px;
}
/* 没有active */
.com-special {
    box-sizing: border-box;
    position: relative;
    display: block;
    padding: 25px 0;
    height: 72px;
    overflow: hidden;
    transition: height .5s;
    cursor:pointer;
}
.com-special-title {
    font-size: 16px;
    line-height: 22px;
    font-weight: 400;
    color: #666;
    cursor: pointer;
}
.com-special-title-inner {
    box-sizing: border-box;
    position: relative;
    display: inline-block;
    vertical-align: middle;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.com-special-title.with-mark .com-special-title-inner {
    padding-right: 60px;
}
.com-mark-rec {
    display: inline-block;
    vertical-align: middle;
    padding: 0 10px;
    height: 24px;
    font-size: 12px;
    line-height: 24px;
    text-align: center;
    color: #fff;
    background-color: #FF7800;
}

.com-special-title .com-mark-rec {
    position: absolute;
    right: 0;
    top: 0;
    font-weight: 400;
}

.com-special-detail .com-special-desc {
    margin-top: 14px;
    font-size: 14px;
    line-height: 24px;
    color: #999;
    display: block;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    max-height: 48px;
}

.com-special-desc-wrap{
    display:none;
}
.com-special-process {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background-color: #E1E3E9;
}
.com-special.actived .com-special-process .process-bar {
    display: block;
}
.com-special-process .process-bar {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 1px;
    width: 100%;
    background-color: #00a4ff;
    display: none;
    transform: scaleX(0);
    transform-origin: left;
}
.com-special-list.ani .process-bar {
    animation: width 10s linear;
}
@keyframes width{
    0%{
        transform:scaleX(0);
    }
    100%{
        transform:scaleX(1)
    }
}



.com-special.actived .com-special-detail .com-special-title {
    font-size: 22px;
    line-height: 30px;
    font-weight: 400;
    color: #333;
    cursor: text;
}

.com-special.actived .com-special-detail .com-special-desc-wrap{
    display:block;
}
.com-special.actived{
    height:auto;
    cursor:auto;
}
.com-special-detail .com-arrow-btn {
    margin-top: 15px;
}
.com-special.actived {
    height: 193px;
}
.com-special-detail .com-arrow-btn:hover .com-arrow-btn-caret:after {
    -webkit-animation: linking .8s ease infinite;
    animation:linking .8s ease infinite;
}




/* 沙龙日历 */
.com-2-section-title-icon.calendar {
    background-image: url(../newimages/index/base.svg);
    background-position: 78.38000000000001% 41.42%;
    background-size: 1735.7142857142858% 1660.7142857142858%;
    background-repeat: no-repeat;
}
.com-2-section-hd:before{
    content:'';
    position:absolute;
    left:0;
    bottom:-1px;
    width:80px;
    height:1px;
    background-color:#00a4ff;
}
.com-2-section.without-border .com-2-section-hd:before{
    display:none;
}
.com-scroll{
    position:relative;
    overflow:hidden;
    height:440px;
}
.com-scroll::after{
    content:'';
    position:absolute;
    left:0;
    bottom:0;
    width:100%;
    height:65px;
    background:linear-gradient(to top, rgba(255,255,255,1), rgba(255,255,255,0));
    pointer-events:none;
}
.com-scroll-cnt{
    margin-right:0px;
    height:100%;
    overflow-x:hidden;
    overflow-y:scroll;
}
.com-scroll-cnt::-webkit-scrollbar{
    width:6px;
    height:8px;
}
.com-scroll-cnt::-webkit-scrollbar-thumb{
    background-color: #fff;
    border-radius: 8px;
}
.com-scroll-cnt:hover::-webkit-scrollbar-thumb{
    background-color:#c8cbcc;
}
.com-scroll-cnt::-webkit-scrollbar-track-piece{
    background-color:transparent;
}
.com-timebar{
    margin:20px;
}
.com-timebar-item{
    position:relative;
    padding:0 6px 15px 22px;
    border-left:1px solid #e1e3e9;
}
.com-timebar-item>a{
    text-align:left;
    font-family: 'pingfang SC','helvetica neue',arial,'hiragino sans gb','microsoft yahei ui','microsoft yahei',simsun,sans-serif;
}
.com-timebar-dot{
    position:absolute;
    left:-5px;
    top:6px;
    box-sizing:border-box;
    width:9px;
    height:9px;
    border-radius:50%;
    border:1px solid #999;
    background-color:#efefef;
}
.com-timebar-infos{
    font-size:12px;
    line-height:23px;
    color:#999;
}
.com-timebar-info:before{
    content:'';
    display:inline-block;
    vertical-align:middle;
    margin:0 5px;
    width:2px;
    height:2px;
    border-radius:2px;
    background-color:#666;
}
.com-timebar-info:first-child:before{
    display:none;
}
.com-mark-text.apply {
    color: #FF7800;
}
.com-mark-text.end {
    color: #666;
}
.com-timebar-title {
    margin-top: 4px;
    font-size: 14px;
    line-height: 26px;
    color: #333;
    font-weight: 400;
}
.com-timebar-item:hover .com-timebar-title {
    color: #00a4ff;
}
.com-timebar-item:hover .com-timebar-dot{
    left:-6px;
    top:5px;
    width:11px;
    height:11px;
    border:1px solid #00a4ff;
    background-color:#fff;
}
.com-timebar-item:hover .com-timebar-dot:before{
    content:'';
    position:absolute;
    left:2px;
    top:2px;
    width:5px;
    height:5px;
    border-radius:50%;
    background-color:#00a4ff;
}


/* 优选文章 */
.com-2-section-title-icon.article {
    background-image: url(../newimages/index/base.svg);
    background-position: 78.38000000000001% 27.689999999999998%;
    background-size: 1735.7142857142858% 1660.7142857142858%;
    background-repeat: no-repeat;
}
.com-4-article-panels {
    font-size: 0;
    margin-bottom: -10px;
}
.com-4-article-panels>.panel-cell{
    display: inline-block;
    vertical-align: middle;
    margin-right: 10px;
    margin-bottom: 10px;
    width: calc((100% - 10px * 2 - 1px)/ 3);
    font-size:12px;
}
.com-4-article-panels>.panel-cell:first-child {
    width: calc(66.6666% - 3px);
}
.com-4-article-panels>.panel-cell:nth-child(3n+2) {
    margin-right: 0;
}
.com-4-article-panel {
    position: relative;
    box-sizing: border-box;
    padding: 26px 20px;
    background-color: #F7F8FA;
    height: 162px;
    transition: box-shadow .3s linear;
}
.com-4-article-panel.large {
    padding-left: 190px;
}
.com-4-article-panel>.panel-link {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
}
.com-4-article-panel-title {
    margin-bottom: 10px;
    font-size: 18px;
    line-height: 26px;
    font-weight: 400;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.com-4-article-panel.large .com-4-article-panel-title {
    margin-bottom: 5px;
}
.com-media {
    margin-bottom: 20px;
    display: table;
    table-layout: fixed;
    width: 100%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
.com-4-article-panel-cnt {
    margin-bottom: 0;
}
.com-4-article-panel.large .com-4-article-panel-cnt {
    display: block;
}
.com-media-body {
    display: table-cell;
    vertical-align: top;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
.com-media-object {
    display: table-cell;
    vertical-align: top;
    padding-right: 20px;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
    width: 40px;
}
.com-4-article-panel-cnt .com-media-object {
    padding-right: 0;
    padding-left: 15px;
    width: 83px;
    vertical-align: top;
    padding-top: 5px;
}
.com-4-article-panel.large .com-4-article-panel-cnt .com-media-object {
    position: absolute;
    left: 20px;
    top: 26px;
    display: block;
    padding-left: 0;
    padding-top: 0;
    width: auto;
}

.com-4-article-panel-cnt .com-thumbnail {
    width: 83px;
    height: 63px;
}
.com-4-article-panel.large .com-thumbnail {
    width: 146px;
    height: 109px;
}
.com-4-article-panel-desc {
    font-size: 14px;
    line-height: 22px;
    color: #999;
    display: block;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    max-height: 44px;
}
.com-4-article-panel-infos {
    margin-top: 10px;
    font-size: 0;
    line-height: 20px;
}
.com-4-article-panel.large .com-4-article-panel-infos {
    margin-top: 12px;
}
.com-4-article-panel-info {
    display: inline-block;
    vertical-align: middle;
    font-size: 12px;
    color: #999;
}
.com-4-article-panel-info em {
    margin-right: 5px;
    font-style:normal;
}
.com-4-article-panel:hover {
    box-shadow: 0 0 6px rgba(207,216,221,.63), 0 4px 6px rgba(207,216,221,.63);
}
.com-2-login-panel {
    margin-bottom: 20px;
    box-sizing: border-box;
    height: 148px;
    padding-top: 20px;
    text-align: center;
    background: url(../newimages/index/login_bg.webp) right top no-repeat #F7F8FA;
    background-size: auto 148px;
}

.com-2-login-panel .login-tip {
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 24px;
    color: #999;
}
.com-2-login-panel .login-tip-primary {
    font-size: 18px;
}
.com-2-login-panel .login-tip-primary em {
    color: #00a4ff;
    font-style:normal;
}
.c-btn {
    height: 35px;
    min-width: 140px;
    padding: 0 20px;
    background-color: #00a4ff;
    color: #fff;
    font-size: 14px;
    line-height: 35px;
    text-align: center;
    display: inline-block;
    cursor: pointer;
    outline: 0;
    box-sizing: border-box;
}
.com-2-login-panel .c-btn {
    margin: 0 6px;
    width: 110px;
    min-width: 0;
    height: 30px;
    line-height: 30px;
}
.c-btn-hole {
    border: 1px solid #00a4ff;
    border-color: #00a4ff;
    color: #00a4ff;
}
.com-2-login-panel .c-btn-hole {
    line-height: 28px;
    background-color: #fff;
}
.c-btn:hover {
    text-decoration: none;
    background-color: #0092ee;
}
.com-2-login-panel .c-btn-hole:hover {
    background-color: #e8f1fb;
}
.com-2-section-title.without-icon {
    padding-left: 0;
}
.com-side-disorder-list {
    padding: 15px 0;
    border-bottom: 1px solid #E1E3E9;
}
.com-side-disorder-list li {
    position: relative;
}
.com-side-disorder-list a {
    display: block;
    padding: 7px 15px 7px 17px;
    font-size: 14px;
    line-height: 24px;
    color: #333;
    word-wrap: break-word;
    text-align:left;
}
.com-side-disorder-list a:hover {
    text-decoration: none;
    background-color: #F3F5F9;
}
.com-2-section-bd .com-side-disorder-list a {
    padding-top: 5px;
    padding-bottom: 5px;
    line-height: 22px;
    color: #666;
    display: block;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    max-height: 44px;
}
.com-side-disorder-list li:before {
    content: '';
    position: absolute;
    left: 6px;
    top: 15px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: #00a4ff;
}



/* 技术问答 */
.com-simple-asks {
    font-size: 0;
    margin-bottom: -10px;
}
.com-simple-asks>.panel-cell {
    display: inline-block;
    vertical-align: top;
    width: 100%;
    font-size:12px;
}
.com-simple-asks.list-2>.panel-cell {
    margin-right: 20px;
    width: calc((100% - 20px - 1px)/ 2);
}
.com-simple-asks.list-2>.panel-cell:nth-child(2n) {
    margin-right: 0;
}
.com-simple-ask {
    position: relative;
    padding: 10px 20px 10px 76px;
    box-sizing: border-box;
    height: 70px;
}
.com-simple-ask .panel-link {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}
.com-simple-ask-answer {
    position: absolute;
    left: 10px;
    top: 10px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    padding: 5px 5px 0;
    width: 46px;
    height: 46px;
    border-radius: 2px;
    background-color: #E1EEFA;
    line-height: 1.2;
    color: #00a4ff;
    text-align: center;
    cursor: pointer;
}
.com-simple-ask-answer .num {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 16px;
}
.com-simple-ask-answer .name {
    font-size: 12px;
}
.com-simple-ask-title {
    font-size: 16px;
    line-height: 28px;
    color: #000;
    font-weight: 400;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.com-tag-links {
    position: relative;
    margin-bottom: 17px;
    padding-left: 20px;
    font-size: 12px;
    color: #888;
    line-height:1.5;
}
.com-simple-ask-tags {
    position: relative;
    z-index: 2;
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;

   
}
/* [class*=com-i-], [class^=com-i-] {
    display: inline-block;
    vertical-align: middle;
    width: 16px;
    height: 16px;
    -webkit-background-size: 100% auto;
    background-size: 100% auto;
} */
.com-tag-links .tag-icon {
    position: absolute;
    left: 0;
    top: 2px;

    display: inline-block;
    vertical-align: middle;
}
.com-tag-links .com-i-tag {
    width: 12px;
    height: 12px;
    background-image: url(../newimages/index/base.svg);
    background-position: 13.08% 98.9%;
    background-size: 4050% 3875%;
    background-repeat: no-repeat;
}
.com-tag-links a {
    color: #888;
}
.com-tag-links a:hover {
    color: #00a4ff;
    text-decoration: none;
}
.com-simple-ask:hover {
    background-color: #F7F8FA;
}

.com-side-user-panels{
    padding: 10px 0;
    border-bottom: 1px solid #E1E3E9;
}
.com-side-user-panels .com-side-user-panel{
    position: relative;
    padding: 10px;
}
.com-side-user-panel>.panel-link {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
}
.com-side-user-panel-main {
    margin-bottom: 0;
}
.com-side-user-panel-main .com-media-object {
    padding-right: 20px;
    width: 42px;
}
.com-2-avatar {
    display: inline-block;
    vertical-align: middle;
    position: relative;
    width: 28px;
    height: 28px;
}
.com-side-user-panel-main .com-2-avatar {
    width: 40px;
    height: 40px;
}
.com-2-avatar-inner {
    box-sizing: border-box;
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50% 50% 50% 0;
    border: 1px solid #ddd;
    background-color: #E5EEF8;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    text-align: center;
    font-size: 14px;
    line-height: 26px;
    overflow: hidden;
}
.com-side-user-panel-title {
    position: relative;
    display: inline-block;
    vertical-align: middle;
    box-sizing: border-box;
    max-width: 100%;
    font-size: 16px;
    line-height: 22px;
    color: #000;
    font-weight: 400;
}
.com-side-user-panel-title.with-verify {
    padding-right: 20px;
}
.com-side-user-panel-title-inner {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.com-side-user-panel-datas{
    margin-top: 2px;
    line-height:1.5;
}
.com-datas {
    color: #999;
    font-size: 0;
}
.com-data {
    display: inline-block;
    vertical-align: middle;
    font-size: 12px;
}
.com-data em{
    font-style:normal;
}
.com-data::before{
    content: '';
    position: relative;
    top: -1px;
    display: inline-block;
    vertical-align: middle;
    overflow: hidden;
    margin: 0 8px;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background: #999;
}
.com-datas .com-data:first-child:before{
    display:none;
}
.com-side-user-panel:hover {
    background-color: #F3F5F9;
}

.com-4-article-panel-infos .com-4-article-panel-info+.com-4-article-panel-info{
    margin-left:10px;
}


.com-tags-bar {
    margin-bottom: 60px;
    background-color: #f5f6f7;
    padding: 20px 10px;
}
.com-2-section-bd .com-tags-bar {
    margin-top: 20px;
    margin-bottom: 0;
}
.com-inner {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0 auto;
    padding: 0 10px;
    max-width: 1200px;
}
.com-tags-bar>.com-inner {
    position: relative;
    padding-left: 50px;
    min-height: 24px;
}
.com-tags-bar-title {
    position: absolute;
    left: 10px;
    top: 0;
    width: 30px;
    height: 24px;
    border-right: 1px solid #E1E3E9;
    font-size: 0;
    line-height: 24px;
}
.com-tags-bar-title:before {
    content: '';
    display: inline-block;
    vertical-align: middle;
    width: 20px;
    height: 20px;
    background-image: url(../newimages/index/biaoqian.svg);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}
.com-tags-bar-main {
    font-size: 0;
    white-space: nowrap;
    overflow: hidden;
}
.com-tags-bar-item {
    display: inline-block;
    vertical-align: middle;
    margin-right: 30px;
    font-size: 14px;
    line-height: 24px;
    color: #666;
}
.com-tags-bar-item:before {
    content: '#';
    margin-right: 5px;
    color: #999;
}


.index_caselist_card .list{
    width: 1400px;
}
.index_caselist_card .list li{
    margin-right:20px;
    width: 334px;
}
.index_caselist_card .list li:nth-of-type(3n){
    margin-right:20px;
}
.index_caselist_card .list li:nth-of-type(4n){
    margin-right:0;
}
.index_caselist_card #logo_pc{
    width:1400px;
}

ul{
    margin:0;
    padding:0;
}

/**
 * 视频弹出层
 **/
 .popup {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 20001;
    display: none;
    background-color:rgba(0,0,0,.7);
  }
  .popup .popup-in {
    position: relative;
    top: 50%;
    left: 50%;
    margin-top: -400px;
    margin-left: -610px;
    width: 1270px;
    height: 800px;
    z-index: 3;
  }
  .popup .popup-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.5;
    filter: alpha(opacity=50);
    left: 0;
    top: 0;
    z-index: 2;
  }
  .popup .popup-close {
    position: absolute;
    right: 357px;
    top: 217px;
    width: 35px;
    height: 35px;
    background: url("../newimages/list/btn_close.png") center no-repeat;
    text-indent: -9999px;
    cursor: pointer;
    outline: none;
    z-index: 4;
    -webkit-transition: all 0.2s ease-in 0s;
    transition: all 0.2s ease-in 0s;
  }
  .popup .popup-close:hover {
    opacity: 0.5;
  }
  .popup .video {
    width: 630px;
    height: 360px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -396px;
    margin-top: -155px;
  }
/*@media (max-width: 1280px) {
    .popup .popup-in {
      margin-top: -290px;
      margin-left: -490px;
      width: 1040px;
      height: 658px;
    }
    .popup .video {
      width: 970px;
      height: 540px;
      margin-left: -510px;
      margin-top: -270px;
    }
    .popup .video>iframe{
        height:593px!important;
        width:965px!important;
    }
}*/
@media screen and (max-width:1440px){
    .com-2-hero-list .hero-cell:first-child .com-2-hero-item .com-2-hero-item-title {
        max-width: 230px;
    }
    .J-body .box-service{
        width:1280px;
    }
    .J-body .box-service .img-container{
        width:814px;
    }
    .index_caselist_card #logo_pc{
        width:1280px;
    }
}

.nav-fzlink{display: inline-block;
    vertical-align: middle;
}

/* 登录后样式 */
.c-nav-entry-item{
    position:relative;
}
.login_hover{
    position: absolute;
    color: #404a58;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    /* pointer-events: none; */
    top: 40px;
    z-index: 10001;
    font-size: 12px;
    padding-left: 0;
    right: 0px;
    width:170px;
    /* margin-left: -45px; */
    /* width: 966px; */
    visibility: hidden;
    -webkit-transition: .3s ease;
    -o-transition: .3s ease;
    transition: .3s ease;
    -webkit-transition-delay: 0s;
    -o-transition-delay: 0s;
    transition-delay: 0s;
    opacity: 0;
    -webkit-transform: translateY(11px);
    -ms-transform: translateY(11px);
    transform: translateY(11px);
    background-color:#fff;
    -webkit-box-shadow: 0 0 5px rgba(0,0,0,.15);
    box-shadow: 0 0 5px rgba(0,0,0,.15);
}
.c-nav-top-links:hover .login_hover{
    visibility: visible;
    -webkit-transition-delay: .1s;
    -o-transition-delay: .1s;
    transition-delay: .1s;
    opacity: 1;
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0);
}
.user_info_top{
    padding:12px 0;
    border-bottom:1px solid #eee;
    text-align:center;
}
.user_info_top img{
    width:60px;
    height:60px;
    border-radius:50%;
}
.user_info_btn{
    padding:10px;
    border-bottom:1px solid #eee;
}
.user_info_btn .user_btn{
    display:inline-block;
    font-size:12px;
    color:#fff;
    background:#f46a67;
    border-radius:2px;
    line-height:22px;
    padding:0 5px;
}
.user_info_btn .user_btn:hover{
    color:#fff;
}
.user_info_btn .user_btn+.user_btn{
    margin-left:4px;
}
.user_info_bottom .item a{
    display:block;
    padding:0 15px;
    height:38px;
    line-height:38px;
    font-size:14px;
    color:#666;
    text-align:left;
}
.user_info_bottom .item a:hover{
    background:#f5f6f7;
    color:#00a4ff;
}
.user_info_bottom .item a span{
    float:right;
    font-size:12px;
    background-color:#eee;
    border-radius:4px;
    line-height: 20px;
    padding: 0 5px;
    margin-top: 10px;
}
.c-nav-top-links{
    position:relative;
}

.header-wrap .header-right .right-text-btns{
    float:none
}


.banner-enter-block{
    width:1250px;
    height:100%;
    margin:0 auto;
    background:#227aff;
    color:#fff;
    line-height:80px;
}
.banner-enter-block .txt{
    display:inline-block;
    font-size:30px;
    letter-spacing: 2px;
}
.banner-enter-block .btn{
    width:206px;
    height:50px;
    line-height:50px;
    text-align:center;
    font-size:20px;
    border:1px solid #fff;
    border-radius:2px;
    float:right;
    margin-top:16px;
}

/* 鼠标移入导航二 */
.nav-dropdown-menu-all {
    max-width: 1500px;
    margin: 0 auto;
    min-height: 158px;
}
.nav-dropdown-menu-all .menu-list-all {
    font-size: 0;
    white-space: nowrap;
}
.menu-list-all .menu-list-col {
    box-sizing: border-box;
    padding: 15px 0 0 20px;
    display: inline-block;
    vertical-align: top;
    width: 231px;
    white-space: normal;
    font-size:14px;
}
 .menu-list-all .menu-area {
    padding-bottom: 5px;
    margin-bottom: 15px;
}
.c-nav .menu-list-all .menu-area-tit {
    font-size: 14px;
    color: #fff;
    padding-bottom: 8px;
    border-bottom: #e5e5e5 1px solid;
    max-width: 190px;
}
.c-nav .menu-list-all .menu-area-tit h3 {
    vertical-align: middle;
    display: inline;
    color: #333;
    font-size:100%;
}
.c-nav .menu-list-all .menu-item {
    padding: 0;
    background: 0 0;
    margin-top: 8px;
    font-size: 12px;
}
.c-nav .menu-list-all .menu-item a {
    display: block;
    height: 18px;
    line-height: 18px;
    padding-left: 0;
    transition: all .4s;
    box-sizing: border-box;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 12px;
    color: #333;
    text-align:left;
}
.c-nav .menu-list-all .menu-item .active a{
    color: #00a4ff;
}
.c-nav .menu-list-all .menu-item a:hover{
    color: #00a4ff;
}




.nav_hover_wrap.c-nav{
    margin-left:-180px;
}
.c-nav .nav_hover_inner:after, .c-nav .nav_hover_inner:before{
    left: 229px;
}

.menu-item-tit a span:nth-child(2){
    background: url(../newimages/index/remen.svg);
    display: inline-block;
    height: 22px;
    width: 44px;
    vertical-align: middle;
    background-position: center;
    background-size: 45px auto;
    position: relative;
    top: -1px;
}
.menu-item-tit a span:nth-child(1){
    background: url(../newimages/index/tuijian.svg);
    display: inline-block;
    height: 22px;
    width: 44px;
    vertical-align: middle;
    background-position: center;
    background-size: 40px auto;
    position: relative;
    top: -4px;
}
.c-nav .menu-list-all .menu-item a i{
    color:#fd7822;
    font-style:normal;
    font-weight:600;
    margin:0 2px;
}
.c-nav .menu-list-all .menu-item a i{
    color:#fd7822;
    font-style:normal;
    font-weight:600;
    margin:0 2px;
}

.nav_hover_wrap.c-nav{
    margin-left:-200px;
}
.c-nav .nav_hover_inner:after, .c-nav .nav_hover_inner:before{
    left: 243px;
}
.header-nav-list .presentation:last-child .c-nav{
    margin-left:-137px;
}
.header-nav-list .presentation:last-child .c-nav .nav_hover_inner:after, .header-nav-list .presentation:last-child .c-nav .nav_hover_inner:before{
    left: 64px;
}
.header-nav-list .presentation:last-child .c-nav .menu-list-col:last-child{
    display:none;
}