.square-btn{position:fixed;right:20px;width:50px;height:50px;background-color:#A7C21F;color:#ffffff;display:flex;align-items:center;justify-content:center;border-radius:8px;text-decoration:none;box-shadow:0 4px 10px rgba(0,0,0,0.2);z-index:9999;transition:all 0.3s ease;font-size:20px}.square-btn i{color:#ffffff}.square-btn:nth-of-type(1){bottom:220px}.square-btn:nth-of-type(2){bottom:160px}.square-btn:nth-of-type(3){bottom:100px}.square-btn:nth-of-type(4){bottom:40px}.square-btn:hover{background-color:#014f86;transform:scale(1.08)}.square-btn:nth-of-type(4):hover{background-color:#0A66C2}#main-header{background-color:transparent!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important;border-bottom:none!important;box-shadow:none!important;transition:background-color 0.3s ease,backdrop-filter 0.3s ease,box-shadow 0.3s ease}#main-header.et-fixed-header{background-color:rgba(255,255,255,0.65)!important;backdrop-filter:blur(14px)!important;-webkit-backdrop-filter:blur(14px)!important;border-bottom:1px solid rgba(255,255,255,0.3)!important;box-shadow:0 8px 24px rgba(0,0,0,0.05)!important}#main-header .sub-menu{background-color:rgba(255,255,255,0.75)!important;backdrop-filter:blur(14px)!important;-webkit-backdrop-filter:blur(14px)!important;border:1px solid rgba(255,255,255,0.35)!important;box-shadow:0 12px 28px rgba(0,0,0,0.08)!important;border-radius:12px!important;overflow:hidden;transition:background-color 0.3s ease,backdrop-filter 0.3s ease}#main-header .sub-menu li a{background:transparent!important}#main-header .sub-menu li a:hover{background:rgba(255,255,255,0.4)!important}