.po-a.w-100.h-100{top: 0;left: 0;}
/*
.people{bottom: 0;left: 5%;width: 63vw;}
.house{background: url('../../images/banner/house.png') right bottom / 55% no-repeat;padding-top: 5%;}
.txt1{width: 14.3vw;}
.txt2{width: 17vw;float: left;margin: -6.8% 0 0 53%;}
*/
.banner h1{font-size: min(max(7vw, 40px), 100px);}
.fan{transform: translateY(-55%)}
.human{width: 25vw;}
.title:after{content: "";display: block;width: 11.3vw;height: 2px;background-color: red;}
#sec1 h1:before{content:"";position: absolute;display: block;width: 100%;height: 8px;border-radius: 4px;left: 0;bottom: 15%;z-index: 1;background-color: #ff5a00;}
.underline{height: 2px;bottom: 0;left: 0;}
.serTxt{width: calc(100% - 56px);}
#map .icon{width:33.33%;max-width: 240px;}
#sec1 iframe,#sec1 video{height: 21.5vw;}
#sec1 .product{width:40%;max-width:600px}
#sec2{background: url('../images/ser.png') bottom right/50% no-repeat fixed #eee;}
#case .img{height: 250px;}
#smallWindow{display: none;max-height: 80vh;}
.close{top: 5px;right: 5px;width: 45px;height: 45px;font-size: 30px;}
.top{width: 60px;height: 60px;background:radial-gradient(circle at center,rgba(255,90,0,1),rgba(255,90,0,.1));background-color: rgba(255,90,0,.4);bottom: 10px;right: 5px;z-index: 999;-webkit-box-shadow:0 10px 5px rgba(0,0,0,.5);box-shadow:0 10px 5px rgba(0,0,0,.5);opacity: .8;transition: opacity .5s}
.top:after{content:"";position: absolute;display: block;width: 40px;height: 40px;top: -10%;left: 50%;transform: translateX(-50%);background:radial-gradient(circle at center,rgba(255,255,255,.4),rgba(255,90,0,0));border-radius: 50%;filter: brightness(1.5);}
.top:before{content:"";position: absolute;display: block;width: 5px;height: 5px;top: 10%;left: 50%;transform: translateX(-50%);background:radial-gradient(circle at center,rgba(255,255,255,.5),rgba(255,255,255,.3));border-radius: 50%;filter: brightness(1.5);}
.top:hover{opacity: 1;}
.top:hover h6{animation: topAni .8s ease-in infinite}
@keyframes topAni{50%,to{transform: translateY(10px) scale(.85)}5%,35%{transform: translateY(0) scale(1)}20%{transform: translateY(-10px) scale(.85)}}