/* 页脚样式 */
.footer {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 60px 0 20px;
}

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

.footer-content {
    display: flex;
    justify-content: space-evenly;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: #3498db;
}

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

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

.footer-section ul li a {
    color: #bdc3c7;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3498db;
}

/* 二维码区域 */
.qr-section {
    text-align: center;
}

.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.qr-placeholder {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #34495e, #2c3e50);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: #bdc3c7;
    border: 2px dashed #3498db;
}

.qr-code p {
    font-size: 0.9rem;
    color: #bdc3c7;
    margin: 0;
}

/* 底部版权信息 */
.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #95a5a6;
    font-size: 0.9rem;
    margin: 0;
}

/* 响应式设计 - 基础设置 */
/* 详细的移动端样式请参考 mobile.css 文件 */