/* ===================== 页脚 模块 ===================== */
.footer {
    width: 100%;
    margin-top: 30px;
    background-color: #fff;
    border-top: 1px solid #eee;
}
.footer-top {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 15px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1.6fr;
    gap: 20px;
}
.footer-col h4 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 18px;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-col ul li a {
    font-size: 14px;
    color: #666;
    transition: color 0.2s ease;
    text-decoration: none;
}
.footer-col ul li a:hover {
    color: #0052aa;
}
.footer-col .contact-item {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
    white-space: nowrap; /* 强制不换行，保证一行显示 */
}

/* 底部版权栏：原红色改为蓝色主题 */
.footer-bottom {
    width: 100%;
    background-color: #0066cc;
    padding: 20px 15px;
}
.footer-bottom-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    font-size: 14px;
    flex-wrap: wrap;
    gap: 10px;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-top {
        grid-template-columns: 1fr;
    }
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
}
@media (max-width: 768px) {
    /* 底部布局重排 */
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px 10px;
    }
}