:root{font-family:system-ui,-apple-system,"Noto Sans CJK SC",sans-serif}
body{margin:0;background:#f6f7fb;color:#111}
header{background:#1f6b5c;color:#fff;padding:24px 20px}
header h1{margin:0 0 8px;font-size:22px}
.warn{background:rgba(255,255,255,.16);padding:8px 10px;border-radius:8px}
code{background:rgba(255,255,255,.18);padding:1px 5px;border-radius:4px;word-break:break-all}
section{padding:18px 20px}
h2{margin:8px 0 14px;font-size:18px}
.pair{background:#fff;border-radius:12px;padding:12px 14px;margin-bottom:16px;box-shadow:0 1px 4px rgba(0,0,0,.08)}
.pair h3{margin:4px 0 10px;font-size:15px}
.imgs{display:flex;gap:14px;flex-wrap:wrap}
.imgs figure{margin:0;flex:1 1 260px;max-width:340px}
.imgs img{width:100%;border:1px solid #e0e0e0;border-radius:8px}
figcaption{font-size:12px;color:#555;text-align:center;margin-top:4px}
#grid{display:flex;gap:12px;flex-wrap:wrap}
#grid figure{margin:0;width:200px}
#grid img{width:100%;border:1px solid #e0e0e0;border-radius:8px}
a{color:#1f6b5c}