/* H5协议样式 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    min-height: 100vh;
}

/* 标题样式 */
h1 {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e8e8e8;
}

h2 {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 32px 0 16px 0;
    padding-left: 12px;
    border-left: 4px solid #007aff;
    line-height: 1.4;
}

h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 24px 0 12px 0;
    line-height: 1.4;
}

h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 20px 0 10px 0;
    line-height: 1.4;
}

/* 段落样式 */
p {
    font-size: 15px;
    color: #4a4a4a;
    margin: 12px 0;
    text-align: justify;
}

/* 日期信息样式 */
.container > p:nth-of-type(-n+3) {
    font-size: 14px;
    color: #888;
    text-align: center;
    margin: 8px 0;
}

/* 列表样式 */
ul, ol {
    margin: 16px 0;
    padding-left: 28px;
}

ul li, ol li {
    font-size: 15px;
    color: #4a4a4a;
    margin: 8px 0;
    line-height: 1.8;
}

/* 嵌套列表样式 */
ul ul, ul ol, ol ul, ol ol {
    margin: 8px 0;
    padding-left: 20px;
}

ul ul li, ul ol li, ol ul li, ol ol li {
    font-size: 14px;
    margin: 6px 0;
}

/* 强调样式 */
strong, b {
    font-weight: 600;
    color: #1a1a1a;
}

/* 链接样式 */
a {
    color: #007aff;
    text-decoration: none;
    word-break: break-all;
}

a:hover {
    text-decoration: underline;
}

a:active {
    opacity: 0.7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    h1 {
        font-size: 20px;
        margin-bottom: 20px;
        padding-bottom: 12px;
    }
    
    h2 {
        font-size: 18px;
        margin: 28px 0 14px 0;
        padding-left: 10px;
    }
    
    h3 {
        font-size: 16px;
        margin: 22px 0 10px 0;
    }
    
    h4 {
        font-size: 15px;
        margin: 18px 0 8px 0;
    }
    
    p, ul li, ol li {
        font-size: 14px;
    }
    
    ul ul li, ul ol li, ol ul li, ol ol li {
        font-size: 13px;
    }
    
    .container > p:nth-of-type(-n+3) {
        font-size: 13px;
        margin: 6px 0;
    }
    
    ul, ol {
        padding-left: 20px;
    }
    
    ul ul, ul ol, ol ul, ol ol {
        padding-left: 16px;
    }
}

/* 触摸优化 */
@media (hover: none) {
    a:hover {
        text-decoration: none;
    }
}

/* 滚动优化 */
body {
    -webkit-overflow-scrolling: touch;
    overflow-scrolling: touch;
}

/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #e0e0e0;
    }
    
    .container {
        background-color: #2d2d2d;
    }
    
    h1, h2, h3, h4, strong, b {
        color: #ffffff;
    }
    
    p, ul li, ol li {
        color: #c0c0c0;
    }
    
    ul ul li, ul ol li, ol ul li, ol ol li {
        color: #a0a0a0;
    }
    
    .container > p:nth-of-type(-n+3) {
        color: #808080;
    }
    
    h1 {
        border-bottom-color: #404040;
    }
    
    a {
        color: #00aaff;
    }
}