/* ===================================
   页脚 Footer 样式 - 参考 tree456.com
   独立的页脚样式文件，避免影响其他页面样式
   =================================== */

.footer {
    background: #1a1a2e;
    color: #ffffff;
    margin-top: 60px;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 60px 20px 40px;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr 1fr;
    gap: 40px;
}

/* 品牌区域 */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-title {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
}

.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin: 0;
}

/* 各个区块 */
.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-section-title {
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin: 0 0 20px 0;
}

/* 快速链接 */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links li a:hover {
    color: #ffffff;
}

/* 联系方式列表 */
.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.5;
}

.footer-contact-list li svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-list li span {
    word-break: break-word;
}

/* 二维码区域 */
.footer-qr {
    display: flex;
    flex-direction: column;
}

.footer-qr-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-qr-img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    background: #ffffff;
    padding: 4px;
}

.footer-qr-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

/* 底部版权区域 */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-icp {
    margin-top: 8px !important;
    font-size: 12px !important;
    color: rgba(255, 255, 255, 0.4) !important;
}

/* ===================================
   响应式设计 - 页脚
   =================================== */

/* 平板 */
@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .footer-qr {
        grid-column: span 2;
        align-items: center;
    }
    
    .footer-qr-wrapper {
        flex-direction: row;
        gap: 16px;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 40px 20px 30px;
    }
    
    .footer-brand {
        text-align: center;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-section-title {
        margin-bottom: 16px;
    }
    
    .footer-links {
        align-items: center;
    }
    
    .footer-contact-list {
        align-items: center;
    }
    
    .footer-contact-list li {
        justify-content: center;
        text-align: center;
    }
    
    .footer-qr {
        grid-column: span 1;
        align-items: center;
    }
    
    .footer-qr-wrapper {
        flex-direction: column;
    }
}