/* 页脚统一样式 - 易知办商标分类查询系统 */
.footer {
    background-color: #fff;
    border-top: 1px solid #eaeaea;
    padding: 30px 0 0;
    color: #666;
    font-size: 13px;
}

.footer .container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    flex-wrap: nowrap;
    margin-bottom: 0;
    padding-bottom: 20px;
    width: 100%;
}

.footer-column {
    flex: 1;
    padding: 0 15px;
    margin-bottom: 20px;
}

.footer-column h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    position: relative;
    white-space: nowrap;
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column ul li {
    margin-bottom: 10px;
    line-height: 1.4;
}

.footer-column ul li a {
    color: #666;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
}

.footer-column ul li a:hover {
    color: #3b82f6;
}

/* 企业资质栏目样式 */
.qualification-column {
    flex: 1.2;
}

.qualification-icons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 5px;
}

.qualification-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 10px;
}

.qualification-icon img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border: 1px solid #eaeaea;
    border-radius: 4px;
    padding: 4px;
    background-color: #f9fafb;
    transition: all 0.3s ease;
}

.qualification-icon img:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.qualification-icon span {
    font-size: 12px;
    color: #666;
    text-align: center;
    margin-top: 6px;
}

/* 热点城市栏目样式 */
.hot-cities {
    padding: 15px 15px;
    border-top: 1px solid #eaeaea;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 0;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.hot-cities-title {
    font-size: 13px;
    color: #333;
    font-weight: 500;
    margin-right: 15px;
    white-space: nowrap;
}

.cities-list {
    display: flex;
    flex-wrap: wrap;
    flex: 1;
}

.cities-list a {
    color: #666;
    font-size: 13px;
    text-decoration: none;
    margin-right: 20px;
    margin-bottom: 5px;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.cities-list a:hover {
    color: #3b82f6;
}

/* 版权信息部分 */
.footer-bottom {
    padding: 15px 0;
    text-align: center;
    background-color: #f5f5f5;
    border-top: 1px solid #eaeaea;
}

.footer-bottom p {
    font-size: 14px;
    color: #999;
    margin: 0;
    line-height: 1.6;
    max-width: 1200px;
    margin: 0 auto;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .footer-top {
        flex-wrap: wrap;
    }
    
    .footer-column {
        flex: 0 0 20%;
        min-width: 150px;
    }
    
    .qualification-column {
        flex: 0 0 20%;
    }
}

@media (max-width: 992px) {
    .footer-top {
        flex-wrap: wrap;
    }
    
    .footer-column {
        flex: 0 0 33.33%;
    }
    
    .qualification-column {
        flex: 0 0 33.33%;
    }
    
    .qualification-icon img {
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 768px) {
    .footer-top {
        flex-wrap: wrap;
    }
    
    .footer-column {
        flex: 0 0 50%;
    }
    
    .qualification-column {
        flex: 0 0 100%;
    }
    
    .hot-cities {
        flex-direction: column;
        align-items: flex-start;
        padding: 12px 15px;
    }
    
    .hot-cities-title {
        margin-bottom: 8px;
    }
    
    .cities-list a {
        margin-right: 15px;
        margin-bottom: 8px;
    }
}

@media (max-width: 576px) {
    .footer-column {
        flex: 0 0 100%;
    }
    
    .footer {
        padding: 25px 0 0;
    }
}