:root{--bg:#fdf2f8;--ink:#3b0a24;--pink:#db2777;--card:#ffffff;--line:#f7d4e6}
*{box-sizing:border-box}body{margin:0;background:#fdf2f8;color:var(--ink);font-family:"Trebuchet MS","Segoe UI",sans-serif;font-size:17px;line-height:1.7}
h1,h2,h3{font-family:"Trebuchet MS","Segoe UI",sans-serif;line-height:1.1;font-weight:700}
.nn-nav a{font-family:"SFMono-Regular",Menlo,monospace;}
.nn-list h2 span{font-family:"SFMono-Regular",Menlo,monospace;}
.nn-meta{font-family:"SFMono-Regular",Menlo,monospace;}
a{color:#9d174d}a:focus-visible{outline:3px solid var(--pink);outline-offset:3px;border-radius:12px}
.nn-skip{position:absolute;left:-9999px}.nn-skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem}
.nn-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:20px;box-shadow:0 8px 22px rgba(59,10,36,.1)}
.nn-brand{color:var(--ink);text-decoration:none;font-size:1.3rem;font-weight:700;display:flex;gap:.5rem;align-items:center}
.nn-nav{display:flex;flex-wrap:wrap;gap:.2rem 1rem}.nn-nav a{color:var(--ink);font-size:.85rem}.nn-nav a[aria-current]{color:var(--pink)}.nn-alt{font-size:.7rem;color:#8a4d6b}
.nn-main{max-width:980px;margin:0 auto;padding:2.6rem 1.4rem 3rem}
.nn-tag{font-size:.85rem;color:#8a4d6b;margin:0}.nn-main h1{font-size:clamp(2.4rem,6vw,4rem);margin:.4rem 0 1rem}
.nn-en{color:#5c2a43;font-size:.97rem;border-left:3px solid var(--line);padding-left:.9rem}
.nn-list{list-style:none;padding:0;margin:2.4rem 0;display:flex;flex-direction:column;gap:.8rem}
.nn-list li{background:var(--card);border-radius:18px;padding:1.3rem;box-shadow:0 8px 22px rgba(59,10,36,.1)}.nn-list h2{font-size:1.2rem;margin:0 0 .3rem;color:var(--pink)}.nn-list h2 span{font-size:.75rem;color:#8a4d6b}.nn-list p{margin:0}
.nn-box{background:var(--card);border-radius:18px;padding:1.2rem 1.4rem;margin-top:1.3rem;box-shadow:0 8px 22px rgba(59,10,36,.1)}
.nn-hold[hidden]{display:none}
.nn-foot{max-width:980px;margin:0 auto;padding:1.4rem 1.4rem 2.6rem;font-size:.88rem}.nn-foot p{margin:.2rem 0}.nn-foot-links{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.6rem}
.nn-doc section{margin-top:1.9rem}.nn-meta{font-size:.8rem;color:#8a4d6b}
.nn-dl{display:grid;grid-template-columns:14rem 1fr;gap:.4rem 1rem;margin:1rem 0}.nn-dl dt{font-weight:700}.nn-dl dd{margin:0}
@media(max-width:760px){.nn-dl{grid-template-columns:1fr}}