/* 默认主题 */
.theme-default {
    color: #333;
}

.theme-default h1,
.theme-default h2,
.theme-default h3,
.theme-default h4,
.theme-default h5,
.theme-default h6 {
    color: #2c3e50;
}

.theme-default h1 {
    border-bottom-color: #3498db;
}

.theme-default h2 {
    border-bottom-color: #ecf0f1;
}

.theme-default blockquote {
    border-left-color: #3498db;
    background-color: #f8f9fa;
    color: #555;
}

.theme-default a {
    color: #3498db;
    text-decoration: none;
}

.theme-default a:hover {
    color: #2980b9;
    text-decoration: underline;
}

.theme-default strong {
    color: #2c3e50;
}

.theme-default .simblock-code-header {
    background-color: #f8f9fa;
    border-bottom-color: #dee2e6;
}

.theme-default .simblock-code-block pre {
    background-color: #f8f9fa;
}