* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 1.8;
    color: #333;
    background: #f5f5f5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 40px 32px;
    min-height: 100vh;
}

.doc-title {
    font-size: 22px;
    font-weight: bold;
    text-align: center;
    color: #111;
    margin-bottom: 8px;
}

.doc-subtitle {
    font-size: 16px;
    text-align: center;
    color: #555;
    margin-bottom: 6px;
}

.doc-meta {
    font-size: 13px;
    text-align: center;
    color: #888;
    margin-bottom: 32px;
}

.divider {
    border: none;
    border-top: 1px solid #e0e0e0;
    margin: 24px 0;
}

.section {
    margin-bottom: 28px;
}

.section-title {
    font-size: 16px;
    font-weight: bold;
    color: #111;
    margin-bottom: 10px;
}

.section-content {
    font-size: 14px;
    color: #444;
    line-height: 1.9;
}

.section-content ul {
    padding-left: 20px;
    margin: 8px 0;
}

.section-content ul li {
    margin-bottom: 4px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 6px 0;
    font-size: 14px;
    color: #444;
}

.contact-item .icon {
    font-size: 16px;
}

/* marked.js rendered content */
#content {
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    font-size: 15px;
    line-height: 1.8;
    color: #333;
}

#content h1 {
    font-size: 22px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 8px;
}

#content h2 {
    font-size: 17px;
    font-weight: bold;
    margin-top: 24px;
    margin-bottom: 8px;
}

#content p {
    margin: 8px 0;
}

#content ul,
#content ol {
    padding-left: 20px;
    margin: 8px 0;
}

#content li {
    margin-bottom: 6px;
}

#content strong {
    font-weight: bold;
}

#content table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 14px;
}

#content th,
#content td {
    border: 1px solid #ddd;
    padding: 8px 12px;
    text-align: left;
}

#content th {
    background: #f5f5f5;
}

#content hr {
    border: none;
    border-top: 1px solid #eee;
    margin: 16px 0;
}

@media (max-width: 768px) {
    #content {
        padding: 16px;
        font-size: 14px;
    }

    #content h1 {
        font-size: 20px;
    }

    #content h2 {
        font-size: 15px;
    }

    #content table {
        font-size: 13px;
    }

    #content th,
    #content td {
        padding: 6px 8px;
    }
}