:root{--bg:#f0f6ff;--ink:#14284b;--teal:#2563eb;--card:#ffffff}
*{box-sizing:border-box}body{margin:0;background:#f0f6ff;color:var(--ink);font-family:"Avenir Next","Segoe UI",sans-serif;font-size:17px;line-height:1.7}
h1,h2,h3{font-family:"Avenir Next","Segoe UI",sans-serif;line-height:1.15}
.dp-nav a{font-family:"SFMono-Regular",Menlo,monospace;}
.dp-tag{font-family:"SFMono-Regular",Menlo,monospace;}
.dp-meta{font-family:"SFMono-Regular",Menlo,monospace;}
a{color:#1d4ed8}a:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:20px}
.dp-skip{position:absolute;left:-9999px}.dp-skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem}
.dp-top{max-width:980px;margin:1rem auto 0;padding:.9rem 1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.8rem;background:var(--card);border-radius:30px;box-shadow:0 8px 22px rgba(20,40,75,.1)}
.dp-brand{color:var(--ink);text-decoration:none;font-weight:700;font-size:1.25rem;display:flex;gap:.5rem;align-items:center}
.dp-nav{display:flex;flex-wrap:wrap;gap:.3rem}.dp-nav a{padding:.35rem .8rem;border-radius:20px;color:var(--ink);text-decoration:none}.dp-nav a[aria-current]{background:#dbeafe}.dp-alt{font-size:.75rem;color:#4a5f86}
.dp-main{max-width:980px;margin:0 auto;padding:2.6rem 1.4rem 3rem}
.dp-tag{font-size:.85rem;color:#4a5f86;margin:0}.dp-main h1{font-size:clamp(2.3rem,5.6vw,3.7rem);margin:.4rem 0 1rem}
.dp-en{color:#2c4470;font-size:.97rem;border-left:3px solid #bfdbfe;padding-left:.9rem}
.dp-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:2.2rem 0}
.dp-tile{background:var(--card);border-radius:24px;padding:1.4rem;box-shadow:0 8px 22px rgba(20,40,75,.1)}.dp-tile h2{font-size:1.2rem;margin:0;color:var(--teal)}.dp-en-k{margin:.1rem 0 .4rem;font-size:.8rem;color:#4a5f86}.dp-tile p{margin:0}
.dp-box{background:var(--card);border-radius:24px;padding:1.3rem 1.5rem;margin-top:1.3rem;box-shadow:0 8px 22px rgba(20,40,75,.1)}
.dp-hold[hidden]{display:none}
.dp-foot{max-width:980px;margin:0 auto;padding:1.4rem 1.4rem 2.6rem;font-size:.88rem}.dp-foot p{margin:.2rem 0}.dp-foot-links{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.6rem}
.dp-doc section{margin-top:1.9rem}.dp-meta{font-size:.82rem;color:#4a5f86}
.dp-dl{display:grid;grid-template-columns:14rem 1fr;gap:.4rem 1rem;margin:1rem 0}.dp-dl dt{font-weight:700}.dp-dl dd{margin:0}
@media(max-width:720px){.dp-tiles{grid-template-columns:1fr}.dp-dl{grid-template-columns:1fr}}