/* ====== Footer 美化 ====== */
.footer {
    width: 100%;
    padding: 28px 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    line-height: 1.8;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.05);
    margin-top: 30px;
}

.footer a {
    color: #38f;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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