/* 帮助卡片样式 */
.help_card_7ree {
    /* 覆盖整个屏幕的蒙层 */
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    height: auto;
    background-color: rgba(0, 0, 0, 0.7); /* 半透明黑色背景 */
    z-index: 1000; /* 确保在最上层 */
    
    /* Flexbox 居中内容 */
    display: flex;
    justify-content: center;
    
    /* 默认隐藏 */
    visibility: hidden;
    opacity: 0;
    
    /* 过渡效果 */
    transition: opacity 0.3s ease, visibility 0.3s ease;
    
    /* 允许内容滚动（如果内容溢出）*/
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* 改善移动端滚动体验 */
}

/* 显示状态 */
.help_card_7ree.show_7ree {
    visibility: visible;
    opacity: 1;
}

/* 卡片内容区域 */
.help_card_7ree .card_content_7ree {
    background-color: #1a1a1a; /* 深色背景 */
    color: #eee; /* 浅色文字 */
    padding: 30px;
    border-radius: 10px;
    max-width: 90%;
    width: 500px; /* 最大宽度 */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    position: relative; /* 确保内部绝对定位元素相对此定位 */
    box-sizing: border-box;
    
    /* 动画效果 - 从顶部滑入并淡入 */
    transform: translateY(-50px);
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

.help_card_7ree.show_7ree .card_content_7ree {
     transform: translateY(0); /* 滑入最终位置 */
     opacity: 1; /* 完全显示 */
}

/* 卡片标题 */
.help_card_7ree .card_title_7ree {
    text-align: center;
    color: #00ffff; /* 亮青色标题 */
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 24px;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.5);
}

/* 帮助信息和列表 */
.help_card_7ree .help_message_7ree ul {
    text-align: left;
    list-style: none;
    padding-left: 0;
    margin-bottom: 20px;
    margin-top: 0;
}

.help_card_7ree .help_message_7ree li {
    margin-bottom: 10px;
    line-height: 1.6;
    font-size: 16px;
    font-family: 'microsoft yahei', sans-serif;
    padding-left: 20px;
    position: relative;
}

.help_card_7ree .help_message_7ree li a {
    color: #00ffff; /* 亮青色链接 */
    text-decoration: none; /* 去掉下划线 */
}

.help_card_7ree .help_message_7ree li a:hover { 
    color: #00cccc; /* 亮青色链接悬停颜色 */
}




/* 帮助信息内容容器 */
.help_card_7ree .help_message_7ree {
    height: 400px; /* 改为固定高度，确保滚动条显示 */
    overflow-y: auto; /* 启用垂直滚动条 */
    overflow-x: hidden; /* 隐藏水平滚动条 */
    padding-right: 15px; /* 为滚动条留出空间，避免内容被遮挡 */
    box-sizing: border-box; /* 确保内边距包含在宽度内 */
    word-wrap: break-word; /* 确保长文本自动换行 */
    margin-bottom: 20px;
}

/* 风格化滚动条 (Webkit browsers) */
.help_card_7ree .help_message_7ree::-webkit-scrollbar {
    width: 8px; /* 滚动条宽度 */
}

.help_card_7ree .help_message_7ree::-webkit-scrollbar-track {
    background: #2a2a2a; /* 滚动条轨道背景 */
    border-radius: 4px;
}

.help_card_7ree .help_message_7ree::-webkit-scrollbar-thumb {
    background: #00ffff; /* 滚动条滑块颜色 */
    border-radius: 4px;
    border: 1px solid #1a1a1a; /* 滑块边框 */
}

.help_card_7ree .help_message_7ree::-webkit-scrollbar-thumb:hover {
    background: #00cccc; /* 滑块悬停颜色 */
}

/* 关闭按钮 */
.help_card_7ree .card_btn_7ree {
    display: block;
    width: 50%;
    padding: 6px;
    margin: 10px auto;
    background-color: #00ffff; /* 亮青色按钮 */
    color: #1a1a1a; /* 深色文字 */
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.help_card_7ree .card_btn_7ree:hover {
    background-color: #00cccc; /* 悬停变深 */
}

.help_card_7ree .card_btn_7ree:active {
    background-color: #009999; /* 点击变更深 */
    transform: scale(0.98); /* 轻微缩小 */
}