/* 页脚样式 */
.footer {
    background-color: #f5f7fa;
    padding: 50px 0 20px;
    margin-top: 60px;
    border-top: 1px solid #e8e8e8;
    font-family: "Microsoft YaHei", sans-serif;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
}

.footer-logo {
    flex: 0 0 320px;
    margin-right: 40px;
    margin-bottom: 40px;
}

/* 文字logo样式 */
.text-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.logo-main {
    font-size: 40px;
    font-weight: 700;
    margin: 0 0 10px 0;
    padding: 0;
    background: linear-gradient(45deg, #3bb2b8, #5e5de4, #f093fb, #42e695);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    cursor: default;
    user-select: none;
}

.logo-en {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 1px;
    background: linear-gradient(45deg, #3bb2b8, #5e5de4, #f093fb, #42e695);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-top: 5px;
    cursor: default;
    user-select: none;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    flex: 1;
    justify-content: space-between;
}

.footer-column {
    flex: 1;
    min-width: 180px;
    margin-bottom: 30px;
    padding: 0 15px;
}

.footer-column h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    position: relative;
}

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

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

.footer-column ul li a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
    display: block;
}

.footer-column ul li a:hover {
    color: #1890ff;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
    border-top: 1px solid #e8e8e8;
    margin-top: 20px;
}

.copyright {
    color: #888;
    font-size: 12px;
}

/* 备案信息容器 */
.beian-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.icp-info {
    color: #888;
    font-size: 12px;
}

.icp-info a {
    color: #666;
    text-decoration: none;
    padding: 2px 4px;
    border-radius: 3px;
    transition: all 0.3s ease;
    display: inline-block;
}

/* 公安备案样式 */
.police-beian {
    color: #888;
    font-size: 12px;
}

.police-beian a {
    color: #666;
    text-decoration: none;
    padding: 2px 4px;
    border-radius: 3px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.police-beian img {
    width: 16px;
    height: 16px;
    vertical-align: middle;
}

.icp-info a:hover,
.police-beian a:hover {
    color: #1890ff;
    background-color: rgba(24, 144, 255, 0.05);
    text-decoration: none;
}

/* 桌面端并排显示备案信息 */
@media (min-width: 768px) {
    .beian-info {
        flex-direction: row;
        justify-content: center;
        gap: 20px;
    }
}

/* 响应式设计 */
@media screen and (max-width: 992px) {
    .footer-container {
        flex-direction: column;
    }
    
    .footer-logo {
        margin-bottom: 40px;
        text-align: center;
        margin-right: 0;
        flex: 0 0 auto;
    }
    
    .text-logo {
        margin: 0 auto;
    }
    
    .footer-nav {
        flex-direction: row;
        justify-content: flex-start;
    }
    
    .footer-column {
        min-width: 45%;
        flex: 0 0 45%;
    }
}

@media screen and (max-width: 768px) {
    .logo-main {
        font-size: 34px;
    }
    
    .logo-en {
        font-size: 13px;
    }
}

@media screen and (max-width: 576px) {
    .footer-column {
        min-width: 100%;
        flex: 0 0 100%;
    }
    
    .logo-main {
        font-size: 28px;
    }
    
    .logo-en {
        font-size: 11px;
    }
}