:root {
    --orange:#ff4300; --orange-soft:#ff6a33; --purple:#8300e9; --purple-soft:#a64dff;
    --dark:#0f0122; --navy:#1c1b3a; --text:#ffffff; --muted:#b6b0d4; --read:#d7d2ec;
    --line:rgba(255,255,255,.10); --bg:var(--dark); --radius:14px; --shadow:0 16px 44px rgba(0,0,0,.5);
    --maxw:1120px; --readw:740px;
  }
  * { box-sizing:border-box; margin:0; padding:0; }
  html { scroll-behavior:smooth; }
  body { font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; color:var(--text); background:var(--bg); line-height:1.65; -webkit-font-smoothing:antialiased; }
  h1,h2,h3,h4 { font-family:'Poppins',sans-serif; line-height:1.25; }
  a { color:inherit; text-decoration:none; }
  img { max-width:100%; height:auto; display:block; }
  .wrap { max-width:var(--maxw); margin:0 auto; padding:0 clamp(20px, 6vw, 84px); }
  .wrap-read { max-width:var(--readw); margin:0 auto; padding:0 clamp(20px, 6vw, 84px); }
  header.site { position:sticky; top:0; z-index:50; background:rgba(15,1,34,.85); backdrop-filter:saturate(160%) blur(10px); border-bottom:1px solid var(--line); }
  .nav-toggle { display: none; }
  .nav { position: relative; display:flex; align-items:center; justify-content:space-between; height:74px; }
  .nav img.logo { height:40px; width:auto; }
  .nav ul { display:flex; gap:28px; list-style:none; font-weight:500; font-size:.95rem; }
  .nav ul a { color:var(--muted); transition:color .15s; }
  .nav ul a:hover { color:var(--orange); }
  .nav .btn-sm { background:var(--orange); color:#fff; padding:9px 18px; border-radius:100px; font-weight:600; font-size:.9rem; }
  .nav .btn-sm:hover { background:var(--orange-soft); }
  .btn { display:inline-flex; align-items:center; gap:8px; background:var(--orange); color:#fff; font-weight:600; font-size:.95rem; padding:11px 22px; border-radius:100px; transition:background .15s, transform .15s; }
  .btn:hover { background:var(--orange-soft); transform:translateX(2px); }
  .btn.ghost { background:transparent; color:var(--orange); border:1.5px solid var(--orange); }
  .btn.ghost:hover { background:var(--orange); color:#fff; }
  .btn .arrow { transition:transform .15s; }
  .btn:hover .arrow { transform:translateX(3px); }
  .post-head { padding:54px 0 34px; text-align:center; background:radial-gradient(900px 460px at 75% -30%, rgba(131,0,233,.35), transparent 60%), var(--dark); }
  .crumb { font-size:.82rem; color:var(--muted); margin-bottom:20px; }
  .crumb a:hover { color:var(--orange); }
  .crumb .sep { opacity:.5; margin:0 8px; }
  .post-head .kicker { color:var(--purple-soft); font-weight:600; letter-spacing:.08em; text-transform:uppercase; font-size:.76rem; margin-bottom:14px; }
  .post-head h1 { font-size:clamp(2rem,5vw,3.1rem); color:#fff; margin:0 auto 18px; max-width:900px; text-shadow:0 0 30px rgba(255,67,0,.22); }
  .post-meta { color:var(--muted); font-size:.92rem; display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
  .post-meta .dot { opacity:.5; }
  .feature-wrap { padding:12px 0 0; }
  .feature-img { max-width:var(--maxw); margin:0 auto; padding:0 clamp(20px, 6vw, 84px); }
  .feature-img img { width:100%; border-radius:var(--radius); border:1px solid var(--line); aspect-ratio:16/8; object-fit:cover; }
  article { padding:44px 0 30px; }
  .prose { color:var(--read); font-size:1.08rem; line-height:1.8; }
  .prose > p { margin-bottom:1.25em; }
  .prose h2 { color:#fff; font-size:1.6rem; margin:1.8em 0 .55em; }
  .prose a { color:var(--orange); font-weight:700; text-decoration:none; transition:color .15s; }
  .prose a:hover { color:var(--orange-soft); }
  .prose strong { color:#fff; }
  figure { margin:1.8em 0; }
  figure img { width:100%; border-radius:12px; border:1px solid var(--line); }
  figcaption { color:var(--muted); font-size:.85rem; text-align:center; margin-top:10px; }
  .embed { position:relative; aspect-ratio:16/9; margin:1.8em 0; border-radius:12px; overflow:hidden; border:1px solid var(--line); background:#000; }
  .embed iframe, .embed video { position:absolute; inset:0; width:100%; height:100%; border:0; object-fit:cover; }
  .gear-box { background:var(--navy); border:1px solid var(--line); border-left:4px solid var(--orange); border-radius:12px; padding:24px 26px; margin:2.4em 0; box-shadow:var(--shadow); }
  .gear-box h4 { color:#fff; font-size:1.1rem; margin-bottom:4px; }
  .gear-box .sub { color:var(--muted); font-size:.86rem; margin-bottom:16px; }
  .gear-box ul { list-style:none; display:grid; gap:12px; }
  .gear-box li { display:flex; justify-content:space-between; align-items:center; gap:14px; padding-bottom:12px; border-bottom:1px solid var(--line); }
  .gear-box li:last-child { border-bottom:0; padding-bottom:0; }
  .gear-box .g-name { color:#fff; font-weight:600; font-size:.98rem; }
  .gear-box .g-name span { display:block; color:var(--muted); font-weight:400; font-size:.84rem; }
  .gear-box .g-link { color:var(--orange); font-weight:600; font-size:.9rem; white-space:nowrap; }
  .gear-box .g-link:hover { text-decoration:underline; }
  .gear-box .disc { color:var(--muted); font-size:.78rem; margin-top:16px; font-style:italic; }
  .tags { display:flex; flex-wrap:wrap; gap:10px; margin:30px 0; }
  .tags a { font-size:.82rem; color:var(--muted); background:var(--navy); border:1px solid var(--line); padding:6px 14px; border-radius:100px; }
  .tags a:hover { color:var(--orange); border-color:var(--orange); }
  .post-nav { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:10px 0 8px; }
  .post-nav a { background:var(--navy); border:1px solid var(--line); border-radius:12px; padding:18px 20px; transition:border-color .15s; }
  .post-nav a:hover { border-color:rgba(166,77,255,.5); }
  .post-nav .dir { font-size:.76rem; color:var(--muted); text-transform:uppercase; letter-spacing:.06em; margin-bottom:6px; }
  .post-nav .ttl { color:#fff; font-weight:600; font-size:.98rem; }
  .post-nav .next { text-align:right; }
  .end-cta { background:linear-gradient(180deg, rgba(131,0,233,.12), transparent), var(--navy); border:1px solid var(--line); border-radius:var(--radius); padding:34px; text-align:center; margin:20px 0 10px; }
  .end-cta h3 { color:#fff; font-size:1.4rem; margin-bottom:10px; }
  .end-cta p { color:var(--muted); max-width:460px; margin:0 auto 20px; }
  footer.site { background:#09001c; color:var(--muted); padding:60px 0 34px; margin-top:30px; }
  .foot-grid { display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; margin-bottom:40px; }
  footer.site img.logo { height:44px; margin-bottom:18px; }
  footer.site p.blurb { font-size:.92rem; max-width:300px; }
  footer.site h5 { color:#fff; font-family:'Poppins',sans-serif; font-size:.82rem; letter-spacing:.1em; text-transform:uppercase; margin-bottom:16px; }
  footer.site ul { list-style:none; display:grid; gap:10px; font-size:.94rem; }
  footer.site ul a:hover { color:var(--orange-soft); }
  .foot-bottom { border-top:1px solid var(--line); padding-top:22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:.85rem; color:#80789e; }
  @media (max-width:680px){ .nav-toggle { display: block; color: var(--text); font-size: 1.7rem; line-height: 1; cursor: pointer; user-select: none; } .nav ul { position: absolute; top: calc(100% + 8px); right: 0; display: none; flex-direction: column; gap: 12px; width: max-content; text-align: right; padding: 14px 18px; background: var(--dark); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); } #nav-toggle:checked ~ ul { display: flex; } .foot-grid{grid-template-columns:1fr; gap:30px;} .post-nav{grid-template-columns:1fr;} .post-nav .next{text-align:left;} }