.mc_a1_top {position: relative;z-index: 2;}
.mc_a1t_bg {position: relative;}
.mc_a1t_bg::before {content: "";position: absolute;left: 0;top: 0;z-index: 5;width: 100%;height: 100px;background: linear-gradient(180deg,rgba(255,255,255,.3),transparent);opacity: 0;}
.mc_a1t_bg img {width: 100%;}
/* .mc_a1t_bg .videobox{background: #f3feff;} */
#mc_a1t_video {width: 100%;height: 100%;object-fit: contain;display: block;background-color: #f3feff;outline: none;border:1px solid #f3feff;position: absolute;left: 0;top: 0;width: 100%;height: 100%;padding-top:0.6rem;z-index: 10;}
.mc_a1t_phbg {display: none;}
.mc_a1t_li {position: absolute;z-index: 20;}
.mc_a1t_a {display: block;position: relative;}
.mc_a1t_title {color: #fff;margin-right: 0.3rem;vertical-align: middle;}
.mc_a1t_dian{position:relative;animation:bordershow 3s infinite}
.mc_a1t_xl span{opacity:0}
.mc_a1t_dian{display:block;width:0.18rem;height:0.18rem;background:#fff;border:0.07rem solid #ff7500;border-radius:50%}
.mc_a1t_dian::before{content:'';display:block;position:absolute;left:50%;top:50%;z-index:-1;transform:translate(-50%,-50%);width:25px;height:25px;border-radius:50%;background:#ff7500;opacity: 0.2;}
.mc_a1t_dian::after{content:'';display:block;position:absolute;left:50%;top:50%;z-index:-1;transform:translate(-50%,-50%);width:25px;height:25px;border-radius:50%;background:#ff7500;opacity: 0.2;}
.mc_a1t_dian::before{animation:boderM 3s .75s infinite}
.mc_a1t_dian::after{animation:boderM 3s infinite}
@keyframes boderM{0%{transform:translate(-50%,-50%) scale(1);opacity:0}
20%{opacity:0.2}
75%{transform:translate(-50%,-50%) scale(2);opacity:0}
100%{opacity:0}
}@keyframes bordershow{50%{box-shadow:0px 0px 10px 0 #ff7500}
}

.mc_a1t_xl{position:absolute;left:0.3rem;top:50%;z-index:1;transform:translateY(-50%);white-space:nowrap;font-size:0.16rem;padding:0 0.15rem;line-height:0.4rem;pointer-events:none;display: flex;align-items: center;}
.mc_a1t_xl::before{content:"";position:absolute;left:0;top:0;z-index:-1;width:0;height:100%;background:rgba(255,117,0,.77);border-radius:0.3rem}
.mc_a1t_xl{font-size:0.14rem}
.mc_a1t_xl::after{content:"";position:absolute;right:100%;top:0;width:0.42rem;height:100%}
.mc_a1t_li:hover{z-index:20}
.mc_a1t_li:hover .mc_a1t_xl{pointer-events:all}
.mc_a1t_li:hover .mc_a1t_xl::before{width:100%;transition:all .4s cubic-bezier(.34,.44,.41,1.12)}
.mc_a1t_li:hover .mc_a1t_xl span{opacity:1;transition:all .36s .4s}
/* .mc_a1t_li:nth-child(2) .mc_a1t_xl {left: auto;right: 0.42rem;} */
.mc_a1t_jiantou{background-image: url(../images/arrowRightWhite.png);background-size: contain;background-repeat: no-repeat;background-position: center;display: inline-block;width:0.07rem;height: 0.14rem;}


/* 解决方案 */
.Solution_video{position: relative;margin-top:1rem;overflow: hidden;}
.Solution_video video{display: block;object-fit: fill;height:calc(100vh - 1rem);}
.Solution_video .Solution_video_top{position: relative;z-index:9;}
.Solution_video .Solution_video_top img{width:100%;}
.Solution_video .Solution_video_top video{top:0;left:0;width:100%;height:calc(100vh - 1rem);}
.Solution_video .Solution_video_top .ul_dots{opacity: 0;transition: all .5s;}
.Solution_video .Solution_video_top.act .ul_dots{opacity: 1;}
.Solution_video .Solution_video_top .ul_dots ul li{position: absolute;}
.Solution_video .Solution_video_top .ul_dots ul li a{display: flex;align-items: center;}
.Solution_video .Solution_video_top .ul_dots ul li span{display: block;margin-left:0.15rem;padding:0 0.2rem;line-height: 0.4rem;background: #ff7500;border-radius: 0.4rem;color:#fff;}

.Solution_video .return{position: absolute;bottom:0;left:50%;transform: translateX(-50%);padding:0.05rem 0.2rem;border-radius: 0.1rem 0.1rem 0 0;background: #ff7500;display: flex;align-items: center;color:#fff;z-index:0;cursor: pointer;}
.Solution_video .return img{display: inline-block;margin-right:0.1rem;width:0.16rem;}
.Solution_video .return .ipvr_le path{fill: #fff;}
.Solution_video .Solution_video_con{position: absolute;width:100%;;height:100%;top:0;left:0;}
/* .Solution_video .Solution_video_list{position: relative;} */
.Solution_video .Solution_video_list .tabcon{position: absolute;width:100%;top:0;left:0;opacity: 0;}
.Solution_video .Solution_video_list .tabcon .videobox video{width:100%;}
/* .Solution_video .Solution_video_list .tabcon .Video_pro_list{position: relative;} */
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab{position: absolute;right:-100%;width:7rem;background: #fff;z-index:99;padding:0.9rem 0.3rem;transition: all .5s;right:-100%;height:100%;top:0;transition: all .5s;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .close{width:0.3rem;height:0.3rem;background: url(../images/close_black.svg) no-repeat center center;background-size: 0.24rem;position: absolute;right:0.3rem;top:0.3rem;cursor: pointer;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider{padding:0 0.4rem;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider .slick-arrow{width:0.3rem;height:0.3rem;position: absolute;top:30%;z-index:9;font-size: 0;color:transparent;background-color: transparent;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider .slick-arrow::after{content:"";display: block;width:100%;height:100%;background: url(../images/next_g.svg) no-repeat center center;background-size: 0.24rem;position: absolute;left:0;top:0;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider .slick-prev::after{transform: rotate(-180deg);}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider .slick-arrow:hover::after{background: url(../images/next_o.svg) no-repeat center center;background-size: 0.24rem;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider .slick-prev{left:-0.1rem;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider .slick-next{right:-0.1rem;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider li{margin-bottom:0.3rem;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider li:not(:last-child){border-bottom: 0.01rem dashed #dedede;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider li .img{padding-top:40%;width: 70%;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider li .img img{object-fit: contain;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider li .txt{padding:0.2rem;text-align: center;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider li .txt .tit{font-size: 0.22rem;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider li .txt .dec{color:#888;margin:0.1rem 0 0.3rem 0;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider li .txt .return_btn{line-height: 0.4rem;display: inline-block;padding:0 0.2rem;border-radius: 0.2rem;background: #ff7500;color:#fff;cursor: pointer;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider li .txt a{display: block;margin:0.1rem auto 0;width:1.2rem;line-height: 0.36rem;border-radius: 0.32rem;background: #eee;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider li .txt a:hover{background: #ff7500;color:#fff;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab .slider li:hover .img span{transform: scale(1.05);}

.Solution_video .Solution_video_list .tabcon.act{position: relative;z-index:30;opacity: 1;}
.Solution_video .Solution_video_list .tabcon .Video_pro_list .Video_pro_tab.act{right:0;}

.Solution_video .Solution_video_list .tabcon .video_dots{opacity: 0;transition: all .5s;}
.Solution_video .Solution_video_list .tabcon .video_dots.act{opacity: 1;}
.Solution_video .Solution_video_list .tabcon .video_dots li{position: absolute;}
.Solution_video .Solution_video_list .tabcon .video_dots li a{display: flex;align-items: center;}
.Solution_video .Solution_video_list .tabcon .video_dots li span{display: block;margin-left:0.15rem;padding:0 0.2rem;line-height: 0.4rem;background: #ff7500;border-radius: 0.4rem;color:#fff;}

.Solution_video.on .return{z-index:99;}


.Solution_video .Solution_video_con .Solution_video_nav{position: absolute;left:0.1rem;top:50%;transform: translateY(-50%);z-index:9;opacity: 0;;font-size: 0.14rem;transition: all .5s;}
.Solution_video .Solution_video_con .Solution_video_nav::after{content:"";display: block;width:0.01rem;height:70%;background: #ff7500;position: absolute;left:0.1rem;top:15%;}
.Solution_video .Solution_video_con .Solution_video_nav li{padding-left:0.3rem;position: relative;margin:0.2rem 0;}
.Solution_video .Solution_video_con .Solution_video_nav li i{width:0.21rem;height:0.21rem;position: absolute;left:0;top:50%;transform: translateY(-50%);border-radius: 50%;display: flex;align-items: center;justify-content: center;}
.Solution_video .Solution_video_con .Solution_video_nav li i::after{content:"";display: block;width:0.1rem;height:0.1rem;background: #ff7500;border-radius: 50%;position: absolute;left:50%;top:50%;transform: translate(-50%,-50%);}
.Solution_video .Solution_video_con .Solution_video_nav li a{color:rgba(35, 58, 91, 0.7);transition: all .5s;}
.Solution_video .Solution_video_con .Solution_video_nav li.on i{background: #fff;}
.Solution_video .Solution_video_con .Solution_video_nav li.on a{color:#ff7500;font-size: 0.16rem;}
.Solution_video.on .Solution_video_con .Solution_video_nav{opacity: 1;z-index:99;}

.Solution_video_wap{display: none;}
.Solution_video_wap .video_box video{width:100%;}
.Solution_video_wap .sliderTab{margin:0.3rem 0;}
.Solution_video_wap .sliderTab .item .tit{line-height: 0.5rem;border-bottom: 1px solid #e5e5e5;padding:0 0.3rem;position: relative;font-size: 0.18rem;}
.Solution_video_wap .sliderTab .item .tit i{display: block;width:0.3rem;height:0.3rem;background: url(../images/next_g.svg) no-repeat center center;background-size: 0.16rem;position: absolute;right:0;top:50%;margin-top:-0.15rem;transition: all .5s;}
.Solution_video_wap .sliderTab .item.on .tit i{background-image: url(../images/next_o.svg);transform: rotate(90deg);}
.Solution_video_wap .sliderTab .item .con{height:0;overflow: hidden;transition: all .5s;}
.Solution_video_wap .sliderTab .item .con .slider{padding:0.3rem 0.6rem;}
.Solution_video_wap .sliderTab .item .con .slider .slick-arrow{width:0.3rem;height:0.3rem;position: absolute;top:30%;z-index:9;font-size: 0;color:transparent;background-color: transparent;}
.Solution_video_wap .sliderTab .item .con .slider .slick-arrow::after{content:"";display: block;width:100%;height:100%;background: url(../images/next_g.svg) no-repeat center center;background-size: 0.18rem;position: absolute;left:0;top:0;}
.Solution_video_wap .sliderTab .item .con .slider .slick-prev::after{transform: rotate(-180deg);}
.Solution_video_wap .sliderTab .item .con .slider .slick-arrow:hover::after{background: url(../images/next_o.svg) no-repeat center center;background-size: 0.18rem;}
.Solution_video_wap .sliderTab .item .con .slider .slick-prev{left:0.1rem;}
.Solution_video_wap .sliderTab .item .con .slider .slick-next{right:0.1rem;}
.Solution_video_wap .sliderTab .item .con li .img{padding-top:60%;}
.Solution_video_wap .sliderTab .item .con li .img img{object-fit: contain;}
.Solution_video_wap .sliderTab .item .con li .txt .name{font-size: 0.18rem;}
.Solution_video_wap .sliderTab .item .con li .txt{padding:0.2rem 0;text-align: center;}
.Solution_video_wap .sliderTab .item .con li .txt .dec{color:#999;margin-top:0.15rem;line-height: 0.25rem;height:1rem;overflow: auto;}
.Solution_video_wap .sliderTab .item .con li .txt a{display: block;margin:0.1rem auto 0;width:1.2rem;line-height: 0.36rem;border-radius: 0.32rem;background: #eee;}
.Solution_video_wap .sliderTab .item.on .con{height:4.2rem;}
.Solution_video_margin{margin:0 1.6rem;margin-top:1rem;}
@media(max-width:1024px){
    .Solution_video_pc{display: none;}
    .Solution_video_wap{display: block;}
    #mc_a1t_video{padding-top:0.3rem;}
}

@media(max-width:640px){
    #mc_a1t_video{padding-top:0.2rem;}
}