.call-to-tg {
            position: fixed;
            bottom: 100px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: #667894;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgb(161 161 161 / 30%);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            z-index: 1000;
        }

        .call-to-tg.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .call-to-tg:hover {
            background-color: #667894;
            box-shadow: 0 6px 20px rgb(161 161 161 / 40%);
            transform: translateY(-2px);
        }

        .call-to-tg:active {
            transform: scale(0.95);
        }

        .call-to-tg span {
            width: 24px;
            height: 24px;
            margin-top: -4px;
        }

        @media (max-width: 768px) {
            .call-to-tg {
                bottom: 20px;
                right: 20px;
                width: 45px;
                height: 45px;
            }
            
            .call-to-tg .span {
                width: 18px;
                height: 18px;
            }
        }