/* 更新后的 styles.css */
body,
html {
    height: 100%;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    background-color: #000;
}
* {
    margin: 0;
    padding: 0;
}

.background {
    position: relative;
    display: block;
    width: 100%;
    z-index: 0;
}

.content {
    position: relative;
    width: 100%; 
}

.header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%; 
}

.banner {
    width: 100%;
    height: auto;
    /* 修正：60%高度会导致图片变形，改为auto */
    margin-top: 0;
}

.btnBanner {
    position: absolute;
    right: 3%;
    top: 12%;
    width: 23%;
}

.download {
    position: absolute;
    left: 20%;
    margin-top: -95%;
}

.download-img{
    width: 75%;
}

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* 新增：垂直居中图片 */
    position: absolute;
    bottom: 5px; 
    left: 0;
    right: 0;
    width: 100%;
    /*padding: 10px;*/
    box-sizing: border-box; 
}

.footer-link {
    display: block;
    flex: 1;
    /* 新增：让每个链接平分宽度 */
    margin: 0 5px;
    /* 缩小margin，避免溢出 */
}

.footer-img {
    width: 100%;
    /* 改为100%，相对于父元素footer-link的宽度 */
    height: auto;
    /* 保持图片比例 */
    display: block;
    /* 移除图片默认的行内间距 */
}