/* Footer 互動效果 */
.footer-column ul li a {
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
}

.footer-column ul li a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: white;
    transition: width 0.3s ease;
}

.footer-column ul li a:hover::before {
    width: 100%;
}

/* 社群媒體圖標效果 */
.footer-icons a {
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-icons a:hover {
    transform: translateY(-5px);
}

.footer-icons a:hover .if00 {
    color: #F3B95F;
}

/* 開關選單按鈕效果 */
.btn00 {
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.btn00::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.btn00:hover::before {
    left: 100%;
}

.btn00:hover {
    transform: translateY(-2px);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}