:root{--bg:#fbfaf7;--card:#fff;--ink:#1c1b18;--muted:#6b675e;--line:#e6e2d8;--accent:#c7511f;--accent-2:#fff1ea;--green:#0f7a3d;--radius:14px}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}header{padding:14px 0;border-bottom:1px solid var(--line);background:#fff}header .wrap{display:flex;justify-content:space-between;align-items:center;max-width:860px}
.brand{font-weight:700;text-decoration:none;color:var(--ink)}.brand span{color:var(--accent)}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:10px 20px;border-radius:999px;font-weight:600;font-size:15px}.btn.small{padding:8px 16px;font-size:14px}
article{padding:40px 0}h1{font-size:30px;line-height:1.3;margin:0 0 8px}h2{font-size:22px;margin:36px 0 12px}h3{font-size:17px;margin:24px 0 8px}
.meta{color:var(--muted);font-size:14px;margin-bottom:24px}p{margin:0 0 14px}ul,ol{padding-left:22px}li{margin-bottom:6px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:14px 0}
code{background:#f5f3ee;padding:2px 6px;border-radius:6px;font-size:14px}pre{background:#f5f3ee;padding:12px 14px;border-radius:10px;white-space:pre-wrap;word-break:break-word;font-size:14px;line-height:1.6;margin:8px 0}
.tag{display:inline-block;font-size:12px;padding:2px 8px;border-radius:6px;font-weight:600;margin-bottom:6px}.tag.old{background:#fde8e8;color:#a32020}.tag.new{background:#e3f5ea;color:var(--green)}.tag.warn{background:#fff3d6;color:#8a5a00}
table{width:100%;border-collapse:collapse;font-size:14px;margin:10px 0}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:600}
.cta{background:var(--accent-2);border:1px solid #f3cdb9;border-radius:var(--radius);padding:20px;margin:36px 0;text-align:center}.cta p{margin-bottom:12px}
footer{padding:30px 0 50px;color:var(--muted);font-size:13px;border-top:1px solid var(--line);margin-top:20px}footer a{color:var(--muted)}