:root{--bg:#f5f5f4;--ink:#1c1c1a;--acc:#57534e;--link:#3f3f3c;--card:#ffffff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.7}
h1,h2,h3{font-family:"Helvetica Neue",Arial,sans-serif;line-height:1.12}
.dp3-nav a{font-family:"SFMono-Regular",Menlo,monospace;}
.dp3-meta{font-family:"SFMono-Regular",Menlo,monospace;}
.dp3-tag{font-family:"SFMono-Regular",Menlo,monospace;}
a{color:var(--link)}a:focus-visible{outline:2px solid var(--acc);outline-offset:3px}
.dp3-skip{position:absolute;left:-9999px}.dp3-skip:focus{left:1rem;top:1rem;background:#fff;color:#111;padding:.5rem}
.dp3-hold[hidden]{display:none}
.dp3-alt{font-size:.7rem;opacity:.75}
.dp3-doc section{margin-top:1.9rem}.dp3-meta{font-size:.8rem;opacity:.8}
.dp3-dl{display:grid;grid-template-columns:14rem 1fr;gap:.4rem 1rem;margin:1rem 0}.dp3-dl dt{font-weight:700}.dp3-dl dd{margin:0}
.dp3-foot p{margin:.2rem 0}.dp3-foot-links{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.6rem}
.dp3-en{font-size:.97rem;border-left:3px solid var(--acc);padding-left:.9rem;opacity:.92}
.dp3-top{border-radius:0 0 18px 18px;box-shadow:0 6px 16px rgba(28,28,26,.06);max-width:1000px;margin:0 auto;padding:1.2rem 1.4rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.8rem;border-bottom:1px dashed var(--acc)}
.dp3-brand{color:var(--ink);text-decoration:none;font-size:1.25rem;font-weight:700;display:flex;gap:.5rem;align-items:center}
.dp3-nav{display:flex;flex-wrap:wrap;gap:.2rem 1rem}.dp3-nav a{color:var(--ink);font-size:.85rem}.dp3-nav a[aria-current]{color:var(--acc)}
.dp3-main{max-width:1000px;margin:0 auto;padding:2.6rem 1.4rem 3rem;background-image:linear-gradient(#e2e1de 1px,transparent 1px),linear-gradient(90deg,#e2e1de 1px,transparent 1px);background-size:28px 28px}
.dp3-tag{font-size:.8rem;margin:0;opacity:.75}.dp3-main h1{font-size:clamp(2.4rem,6vw,4.2rem);margin:.4rem 0 1rem;font-weight:800}
.dp3-list{list-style:none;padding:0;margin:2.4rem 0;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.dp3-list li{background:var(--card);border-radius:18px;padding:1.2rem;box-shadow:0 6px 18px rgba(28,28,26,.08)}.dp3-list h2{font-size:1.15rem;margin:0 0 .3rem;color:var(--acc)}.dp3-list h2 span{font-size:.75rem;opacity:.7}.dp3-list p{margin:0}
.dp3-box{background:var(--card);border-radius:18px;padding:1.2rem 1.4rem;margin-top:1.3rem;box-shadow:0 6px 18px rgba(28,28,26,.08)}
.dp3-foot{max-width:1000px;margin:0 auto;padding:1.4rem 1.4rem 2.6rem;border-top:1px dashed var(--acc);font-size:.88rem}
@media(max-width:760px){.dp3-list{grid-template-columns:1fr}}
@media(max-width:640px){.dp3-dl{grid-template-columns:1fr}}