/* ===== 统一页脚样式 ===== */
.footer {
    width: 100%;
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
    font-size: 14px;
    box-sizing: border-box;
}

.footer a {
    color: #3498db;
    text-decoration: none;
    margin: 0 5px;
}

.footer a:hover {
    color: #00BFFF;
    text-decoration: underline;
}

@media (max-width: 680px) {
    .footer {
        padding: 14px 10px;
        font-size: 12px;
    }
}