.app-footer {
    padding: 60px 0 0;
    background: linear-gradient(180deg, #0f172a 0%, #020617 100%);
    color: #fff;
    margin: 0 auto;
    border-top: 3px solid var(--color-brand-primary);
}

.app-footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0  20px 20px;
}

/* 页脚网格布局 - 3列 */
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

/* 关于我们列 */
.footer-col.about {
    padding-right: 20px;
}

.footer-logo {
    margin-bottom: 24px;
}

.footer-logo img {
    max-width: 180px;
    height: auto;
}

.footer-desc {
    color: #b0b0b0;
    font-size: 14px;
    line-height: 1.8;
    text-align: left;
}

.footer-desc strong {
    color: var(--color-brand-primary);
    font-weight: 600;
}

/* 标题样式 */
.footer-title {
    color: var(--color-brand-primary);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 12px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-brand-primary), transparent);
}

/* 页脚链接样式 */
.footer-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-list li {
    margin-bottom: 14px;
}

.footer-list a {
    color: #d0d0d0;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-list a:hover {
    color: var(--color-brand-primary);
    transform: translateX(5px);
}

/* SẢN PHẨM 列表样式 */
.product-list a {
    color: #d0d0d0;
}

.product-list .icon {
    color: var(--color-brand-primary);
    font-size: 16px;
}

/* HƯỚNG DẪN 列表样式 */
.guide-list a {
    color: #d0d0d0;
}

.guide-list .arrow {
    color: var(--color-brand-primary);
    font-size: 18px;
    font-weight: bold;
    line-height: 1;
}

/* 版权栏样式 */
.app-footer .copyright-bar {
    background: #020617;
    color: #888;
    text-align: center;
    padding: 30px 20px;
    font-size: 13px;
    border-top: 1px solid #1e293b;
    margin-top: 40px;
}

.app-footer .copyright-bar p {
    margin: 6px 0;
    line-height: 1.6;
}

.app-footer .footer-address {
    color: var(--color-brand-primary);
    font-size: 12px;
    opacity: 0.8;
}

.app-footer .footer-legal {
    color: #64748b;
    font-size: 11px;
    margin-top: 12px;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer-col.about {
        grid-column: 1 / -1;
    }
    .footer-logo img {
        display: inline-block;
    height: auto;
    max-width: 100%;
    vertical-align: middle;

}
}


@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-col.about {
        grid-column: auto;
    }

    .footer-title {
        font-size: 16px;
    }
}