/* ===== 底部 ===== */
.page-footer {
    background-color: #fff;
    padding: 30px 0;
}
.footer-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

/* ---- logo 容器 ---- */
.footer-logo-box {
    flex-shrink: 0;
    position: relative;
    cursor: pointer;
    width: 90px;
    height: 90px;
    border-radius: 6px;
    overflow: visible;
}

/* ---- 主 logo 图片 ---- */
.footer-logo-box .main-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: opacity 0.35s ease;
    border-radius: 4px;
}

/* ---- 放大弹出层（覆盖在原logo位置） ---- */
.footer-logo-popup {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
    opacity 0.35s ease;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.20);
    padding: 6px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}
.footer-logo-popup img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
    display: block;
}

/* hover 时：原logo淡出，放大层淡入并放大 */
.footer-logo-box:hover .main-logo {
    opacity: 0;
}
.footer-logo-box:hover .footer-logo-popup {
    transform: translate(-50%, -50%) scale(1.35);
    opacity: 1;
}

/* ---- 右侧文字区域 ---- */
.footer-text-wrap {
    flex: 0 0 auto;
    text-align: left;
}
.footer-link-line {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}
.footer-link-line a {
    color: #666;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-link-line a:hover {
    color: #f78b28;
}
.footer-link-line span.sep {
    margin: 0 6px;
    color: #999;
}
.footer-copyright-line {
    font-size: 13px;
    color: #888;
    line-height: 1.8;
}

@media (max-width: 991.98px) {
    .footer-row {
        gap: 20px;
    }
    .footer-logo-box {
        width: 72px;
        height: 72px;
    }
}

@media (max-width: 768px) {
    .footer-row {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    .footer-logo-box {
        width: 72px;
        height: 72px;
    }
    .footer-text-wrap {
        text-align: center;
        width: 100%;
    }
    .footer-link-line {
        font-size: 13px;
    }
    .footer-copyright-line {
        font-size: 12px;
    }
}

@media (max-width: 576px) {
    .footer-logo-box {
        width: 60px;
        height: 60px;
    }
    .footer-link-line,
    .footer-copyright-line {
        font-size: 12px;
    }
}