footer {
    position: relative;
    width: 100%;
    min-width: 1200px;
    background-color: #444444;
}

#footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 1200px;
    height: 460px;
    position: relative;
    margin: 0 auto;
}

#footer-left,
#footer-right {
    display: flex;
    flex-direction: column;
    gap: 0;
}

#footer-logo,
#footer-right-title {
    min-height: 130px;
    display: flex;
    align-items: center;
    text-align: center;
}

#footer-logo img {
    width: 330px;
    height: auto;
}

#footer-nav,
#footer-qrcode {
    min-height: 140px;
    display: flex;
    align-items: flex-start;
    text-align: center;
}

#footer-qrcode {
    position: relative;
    justify-content: flex-end;
}

#footer-nav ul {
    display: flex;
    gap: 48px;
    list-style: none;
    padding: 0;
    margin: 0;
}

#footer-nav li {
    height: 50px;
    line-height: 50px;
}

#footer-nav a {
    height: 100%;;
    color: #ffffff;
    font-family: Arial;
    font-size: 18px;
    font-weight: bold;
    font-style: normal;
    text-decoration: none;
}

/* 两个地址块并排 */
#footer-addresses {
    display: flex;
    gap: 25px;
}

.footer-address {
    max-width: 330px;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

.footer-address .footer-title {
    color: #ffffff;
    font-size: 18px;
    font-weight: bolder;
}

.footer-address p {
    margin: 0;
    padding: 0;
    color: #999999;
    font-size: 14px;
}

#footer-right-title p {
    margin: 0;
    padding: 0;
    color:#ffffff;
    font-size: 30px;
    font-weight: bolder;
    font-family:Arial,Helvetica,sans-serif
}

#footer-qrcode ul {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    list-style: none;
    padding: 0;
    margin: 0;
}

#footer-qrcode ul li {
    height: 70px;
    width: 70px;
    display: flex;
    align-items: center;
    position: relative; /* 让二维码的定位相对于每个 li */
}

#footer-qrcode ul li img {
    height: 45px;
    width: 45px;
}

/* 二维码容器默认隐藏 */
#footer-qrcode ul li div {
    display: none;
    position: absolute;
    bottom: 60px; /* 调整二维码出现的位置（在图标上方） */
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    z-index: 10;
}

/* 当鼠标悬浮在 li 或 a 上时显示二维码 */
#footer-qrcode ul li:hover div {
    display: block;
}

/* 二维码图片尺寸 */
#footer-qrcode ul li div img {
    width: 110px;
    height: 110px;
}

#footer-qrcode .seal img {
    height: 70px;
    width: 70px;
}

#links ul {
    display: flex;
    text-align: center;
    position: relative;
    justify-content: flex-end;
    gap: 0;
    list-style: none;
    padding: 0;
    margin: 0;
    height: 40px;
}

#links li {
    padding: 0 16px;
}

#links a {
    text-decoration: none;
    color: #999999;
    font-family: Arial;
    font-size: 12px;
}

#links a:hover {
    color: #ffffff;
    font-weight: 400;
    font-style: normal;
}

#copyright {
    display: flex;
    text-align: center;
    position: relative;
    justify-content: flex-end;
    padding: 0;
    margin: 0;
    height: 30px;
}

#copyright a {
    color: #666;
    font-size: 12px;
    font-family: Arial;
    text-decoration: none;
    padding: 0 16px;
}

#back-to-top {
    position: fixed;
    margin-bottom: 3px;
    border: 1px solid #ccc;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    right: 5px;
    bottom: 5px;
    text-align: center;
    cursor: pointer;
}

.top-icon {
    font-size: 34px;
    color: rgb(204, 204, 204);
    width: 60px;
    height: 60px;
    line-height: 60px;
    text-align: center;
}