.phone-btn-green{width:60px;height:60px;background:linear-gradient(135deg,#11998e,#38ef7d);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 25px rgba(17,153,142,.5);transition:all .3s ease;z-index:1000;animation:pulse-green 2s infinite;text-decoration:none}.phone-btn-green:hover{transform:scale(1.1);box-shadow:0 12px 35px rgba(17,153,142,.7)}.phone-btn-green:active{transform:scale(.95)}.phone-btn-red{background:linear-gradient(135deg,#ee0979,#ff6a00);box-shadow:0 8px 25px rgba(238,9,121,.5);animation:pulse-red 2s infinite}.phone-btn-red,.zalo-btn{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;z-index:1000;text-decoration:none}.zalo-btn{bottom:110px;background:linear-gradient(135deg,#0068ff,#09f);box-shadow:0 8px 25px rgba(0,104,255,.5);animation:pulse-blue 2s infinite}.zalo-btn:hover{transform:scale(1.1);box-shadow:0 12px 35px rgba(0,104,255,.7)}.zalo-btn:active{transform:scale(.95)}.zalo-btn img{width:32px;height:32px}.phone-btn-red:hover{transform:scale(1.1);box-shadow:0 12px 35px rgba(238,9,121,.7)}.phone-btn-red:active{transform:scale(.95)}.phone-icon{width:28px;height:28px;fill:#fff}@keyframes pulse-green{0%{box-shadow:0 8px 25px rgba(17,153,142,.5),0 0 0 0 rgba(56,239,125,.7)}50%{box-shadow:0 8px 25px rgba(17,153,142,.5),0 0 0 15px rgba(56,239,125,0)}to{box-shadow:0 8px 25px rgba(17,153,142,.5),0 0 0 0 rgba(56,239,125,0)}}@keyframes pulse-red{0%{box-shadow:0 8px 25px rgba(238,9,121,.5),0 0 0 0 rgba(255,106,0,.7)}50%{box-shadow:0 8px 25px rgba(238,9,121,.5),0 0 0 15px rgba(255,106,0,0)}to{box-shadow:0 8px 25px rgba(238,9,121,.5),0 0 0 0 rgba(255,106,0,0)}}@keyframes pulse-blue{0%{box-shadow:0 8px 25px rgba(0,104,255,.5),0 0 0 0 rgba(0,153,255,.7)}50%{box-shadow:0 8px 25px rgba(0,104,255,.5),0 0 0 15px rgba(0,153,255,0)}to{box-shadow:0 8px 25px rgba(0,104,255,.5),0 0 0 0 rgba(0,153,255,0)}}.phone-btn-green:before,.phone-btn-red:before,.zalo-btn:before{content:attr(data-tooltip);position:absolute;background:rgba(0,0,0,.8);color:#fff;padding:8px 15px;border-radius:5px;font-size:14px;white-space:nowrap;opacity:0;transition:opacity .3s ease;pointer-events:none}.phone-btn-green:before,.phone-btn-red:before,.zalo-btn:before{right:70px;top:50%;transform:translateY(-50%)}.phone-btn-green:hover:before,.phone-btn-red:hover:before,.zalo-btn:hover:before{opacity:1}@media (max-width:768px){.phone-btn-green,.phone-btn-red,.zalo-btn{width:55px;height:55px}.phone-icon{width:24px;height:24px}.zalo-btn img{width:28px;height:28px}.phone-btn-green{right:20px;bottom:100px}.phone-btn-red{left:20px;bottom:100px}.zalo-btn{left:20px;bottom:175px}}