body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    max-width: 960px;
    margin: 40px auto;
    padding: 0 20px;
    color: #1a1a1a;
    background: #fafafa;
    line-height: 1.6;
}
h1 { margin-bottom: 24px; }
h2 { margin-top: 32px; color: #333; }
h4 { margin-top: 28px; color: #555; }
p { color: #444; }
a {
    color: #2563eb;
    text-decoration: none;
}
a:hover { text-decoration: underline; }
img {
    max-width: 100%;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    margin: 12px 0;
}
.card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px 20px;
    margin: 12px 0;
}
.link-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.link-list li {
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
}
.link-list li:last-child { border-bottom: none; }
.link-list a { font-size: 17px; }
.back { margin-bottom: 20px; }
.footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #e5e7eb;
    font-size: 14px;
    color: #666;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    font-family: monospace;
    margin: 20px 0;
}
th {
    background: #f3f4f6;
    text-align: left;
    padding: 6px 10px;
    border-bottom: 2px solid #e5e7eb;
}
td {
    padding: 4px 10px;
    border-bottom: 1px solid #f0f0f0;
}