:root {
    --bg: #faf8f5;
    --text: #2c2c2c;
    --muted: #7a7a7a;
    --accent: #c17f59;
    --border: #ece6df;
    --serif: "Georgia", "Songti SC", "SimSun", serif;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.85;
}
a { color: var(--accent); }
.article-wrap {
    max-width: 680px;
    margin: 0 auto;
    padding: 48px 20px 64px;
}
.back {
    display: inline-block;
    font-size: 14px;
    margin-bottom: 28px;
    text-decoration: none;
}
.back:hover { text-decoration: underline; }
.post-meta {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 12px;
}
h1 {
    font-family: var(--serif);
    font-size: 30px;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 28px;
}
.content p {
    font-size: 16px;
    color: #444;
    margin-bottom: 18px;
}
.article-footer {
    text-align: center;
    padding: 24px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
}