* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* 背景 */
body {
    background: #f2f2f7;
    color: #1c1c1e;
}

/* 主容器 */
div.main_container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 16px;
    background: transparent;
}

/* 主标题 */
div.main_title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
}

/* 默认 iOS 标题 */
div.title {
    font-size: 13px;
    color: #6e6e73;
    margin: 28px 0 8px 6px;
    font-weight: 500;
}

/* 高亮标题 */
div.title.highlight {
    font-size: 18px;
    font-weight: 600;
    color: #1c1c1e;
    border-left: 4px solid #007aff;
    padding-left: 10px;
}

/* 卡片 */
div.content {
    background: #ffffff;
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
    transition: all 0.2s ease;
}

/* 卡片 hover */
div.content:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

/* header */
div.header {
    margin-bottom: 6px;
    line-height: 1.6;
    font-size: 14px;
}

/* 版本标签 */
.tag {
    display: inline-block;
    background: #007aff;
    color: #fff;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 8px;
    margin-right: 6px;
}
.tag.latest {
background: #ff9500;
}
/* 下载按钮 */
a {
    display: inline-block;
    margin-top: 8px;
    padding: 6px 16px;
    background: #007aff;
    color: #fff;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.2s ease;
}

a:hover {
    background: #0062cc;
    transform: scale(1.05);
    text-decoration: none;
}

/* 注意事项 */
div.notes {
    background: #fff;
    border-radius: 14px;
    border-left: 4px solid #ff3b30;
    color: #ff3b30;
}

/* 图片 */
img {
    max-width: 100%;
    border-radius: 10px;
    margin-top: 6px;
}

/* 移动端优化 */
@media (max-width: 600px) {
    div.main_container {
        margin: 20px auto;
    }

    div.main_title {
        font-size: 24px;
    }
}
/* 去除链接下划线 */
a {
    text-decoration: none;
}
/* 版权信息 */
.footer {
    text-align: center;
    margin: 40px 0 20px;
    font-size: 13px;
    color: #8e8e93; 
}
/*滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 999px;

    border: 2px solid transparent;
    background-clip: content-box;

    transition: background 0.25s ease;
}