.header{left:0;position:fixed;right:0;top:0;transition:background-color .7s;z-index:5}.header .menu{width:602px}.header .menu .menu-item{position:relative}.header .menu .menu-item:hover .panel{display:flex}.header .menu .item{color:#fafafa;cursor:pointer;font-size:16px;font-weight:400;height:74px;padding:24px 0;position:relative}.header .menu .item.active:not(.search),.header .menu .item:hover:not(.search){color:#1e86da}.header .menu .item:not(.search).active:after,.header .menu .item:not(.search):hover:after{background-color:#1e86da;bottom:0;content:"";height:2px;left:5%;position:absolute;width:90%}.header .logo{height:50px;margin-top:14px;width:140px}.header .logo img{height:auto;width:100%}.header .search img{cursor:pointer;height:18px;width:18px}.header .panel{background-color:#eff5f8;border-radius:10px;box-shadow:0 5px 16px rgba(0,0,0,.26);display:none;flex-direction:column;flex-wrap:wrap;height:321px;left:0;padding-top:22px;position:absolute;right:0;top:74px}.header .panel p{margin-bottom:20px}.header .panel a{color:#6f6f6f;font-size:14px;font-weight:400;line-height:20px;position:relative}.header .panel a:after{background-color:#585858;border-radius:50%;content:"";height:4px;left:-10px;position:absolute;top:8px;width:4px}.header .panel a:hover{color:#6cbd26}.header .panel a:hover:after{background-color:#6cbd26}.header .panel p.active a{color:#6cbd26}.header .panel p.active a:after{background-color:#6cbd26}.header .panel:after{background-color:#e9e9e9;bottom:30px;content:"";left:50%;position:absolute;top:30px;width:1px}.header .panel.product{left:-290px;width:612px}.header .panel.product p{padding-left:100px}.header .panel.solution{left:-115px;text-align:center;width:320px}.header .panel.solution:after{content:none}.header .panel.project{left:-370px;width:800px}.header .panel.project p{padding-left:85px}.header .panel.about{left:-68px;text-align:center;width:200px}.header .panel.about:after{content:none}.header.dark{background-color:#fff}.header.dark .menu .item{color:#404040}.header.dark .menu.home .item{transition:color .7s}.back-top{align-items:center;background-color:#fff;border-radius:50%;bottom:100px;box-shadow:0 0 6px rgba(0,0,0,.12);color:#87c33a;cursor:pointer;display:flex;font-size:20px;height:50px;justify-content:center;position:fixed;right:100px;width:50px;z-index:5}