/* 页脚样式 */
.footer {
    background-color: #000;
    color: #fff;
    padding: 40px 0;
    /*margin-top: 50px;*/

}

.footer-container {
    max-width: 1730px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 50px;
}

/* 左侧内容样式 */
.footer-left {
    flex: 1;
}

.company-logo {
    font-size: 24px;
    font-weight: bold;
    color: #007f8e;
    margin-bottom: 20px;
}

.company-info {
    line-height: 1.8;
    font-size: 14px;
}

.company-info p {
    margin: 10px 0;
}

/* 右侧内容样式 */
.footer-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

/* 导航链接样式 */
.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
    justify-content: flex-end;
}

.footer-nav a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: #007f8e;
}

/* 二维码容器样式 */
.qr-codes-wrapper {
    display: flex;
    gap: 30px;
    margin-top: auto;
}

.qr-code-container {
    text-align: center;
}

.qr-code {
    width: 100px;
    height: 100px;
    margin-bottom: 10px;
}

.qr-label {
    font-size: 12px;
    color: #ccc;
    margin: 0;
}

/* 底部版权信息 */
.footer-bottom {
    border-top: 1px solid #333;
    padding: 20px 0;
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #999;
    font-size: 12px;
    margin-left: 150px;
    margin-right: 150px;
}

.copyright {
    text-align: left;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #007f8e;
}


/* 回到顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #007f8e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top-icon {
    width: 25px;
    height: 25px;
    filter: brightness(0) invert(1);
}

.back-to-top:hover {
    background-color: #00606e;
    transform: translateY(-3px);
}