/* 顶部导航栏样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
    box-sizing: border-box;
}


.logo img {
    height: 50px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.login-btn, .user-center {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    background: #3498db;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-btn:hover, .user-center:hover {
    background: #2980b9;
}
/* 页脚样式 */
.footer {
    background-color: #2c3e50;
    color: white;
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-info h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-info p {
    margin: 0.5rem 0;
    color: rgba(255, 255, 255, 0.8);
}

.footer-qr {
    text-align: center;
}

.footer-qr h4 {
    margin-bottom: 1rem;
}

.footer-qr img {
    width: 120px;
    height: 120px;
    border-radius: 4px;
    background-color: white;
    padding: 0.5rem;
}
/* 备案链接样式 */
.beian-link {
    display: flex;
    align-items: center;
    color: inherit;
    text-decoration: none;
    margin-top: 5px;
}
.beian-link img {
    margin-right: 5px;
    height: 20px;
}
/* 版权信息样式 */
.copyright {
    text-align: center;
    padding: 1rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
}

.copyright p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
}