.article-content {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.article-content h1 {
    font-size: 28px;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #4CAF50;
}
.article-body {
    line-height: 1.8;
    color: #555;
}
.article-body h2 {
    font-size: 22px;
    color: #333;
    margin-top: 30px;
    margin-bottom: 15px;
}
.article-body h3 {
    font-size: 18px;
    color: #444;
    margin-top: 20px;
    margin-bottom: 10px;
}
.article-body p {
    margin-bottom: 15px;
}
.article-body ul {
    margin-left: 20px;
    margin-bottom: 15px;
}
.article-body ul li {
    margin-bottom: 8px;
}
.article-body ol {
    margin-left: 20px;
    margin-bottom: 15px;
}
.article-body ol li {
    margin-bottom: 8px;
}
.article-body strong {
    color: #333;
}
.article-body em {
    background: #f5f5f5;
    padding: 10px;
    display: block;
    margin: 15px 0;
    border-left: 4px solid #4CAF50;
    font-style: normal;
}
.comparison-table {
    margin: 20px 0;
    overflow-x: auto;
}
.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}
.comparison-table th {
    background: #4CAF50;
    color: white;
    padding: 12px;
    text-align: center;
}
.comparison-table td {
    padding: 10px;
    text-align: center;
    border: 1px solid #ddd;
}
.tips {
    background: #e8f5e9;
    padding: 15px;
    border-radius: 5px;
    margin-top: 30px;
}
.tips a {
    color: #4CAF50;
    text-decoration: underline;
}
.back-home {
    text-align: center;
    margin-top: 30px;
}
.back-home .ui-btn {
    display: inline-block;
    padding: 10px 30px;
    background: #4CAF50;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
}