*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter','Noto Serif SC',-apple-system,BlinkMacSystemFont,sans-serif;background:#0E0B08;color:#F5F0E8;line-height:1.7;font-size:16px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
:root{--bg:#0E0B08;--bg-soft:#16110D;--bg-card:#1C1610;--line:rgba(245,240,232,.08);--line-strong:rgba(245,240,232,.18);--text:#F5F0E8;--text-soft:#B8AFA0;--text-mute:#7A7163;--accent:#C8A87C;--accent-hot:#E63946;--gold:#D4AF37;--crimson:#8B0000;--container:760px;--pad-x:clamp(20px,5vw,60px);--serif:'Noto Serif SC',Georgia,serif;--sans:'Inter','Noto Serif SC',sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--pad-x)}
.mono{font-family:var(--mono);letter-spacing:.05em;text-transform:uppercase;font-size:12px;color:var(--text-mute)}
.muted{color:var(--text-mute)}
.eyebrow{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);padding:6px 14px;border:1px solid var(--line-strong);border-radius:999px;margin-bottom:20px}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:18px 0;background:rgba(14,11,8,.6);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);border-bottom:1px solid transparent;transition:all .3s ease}
.nav.scrolled{padding:12px 0;background:rgba(14,11,8,.85);border-bottom-color:var(--line)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 var(--pad-x);display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;font-size:18px}
.brand-mark{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--crimson));display:grid;place-items:center;font-size:14px;color:#0E0B08;font-weight:900}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{padding:8px 14px;font-size:14px;color:var(--text-soft);border-radius:6px;transition:all .2s}
.nav-link:hover{color:var(--text);background:var(--line)}
.nav-cta{padding:8px 18px;background:var(--text);color:var(--bg);border-radius:6px;font-size:14px;font-weight:500;transition:all .2s}
.nav-cta:hover{background:var(--accent);color:var(--bg)}
.nav-burger{display:none;width:32px;height:32px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-burger span{display:block;width:18px;height:1.5px;background:var(--text)}
.article-hero{padding:140px 0 60px;text-align:center;position:relative;overflow:hidden}
.article-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(212,175,55,.06),transparent 60%);pointer-events:none}
.article-cat{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:24px;display:inline-block;padding:6px 16px;border:1px solid var(--line-strong);border-radius:999px;position:relative}
.article-title{font-family:var(--serif);font-weight:900;font-size:clamp(32px,5vw,52px);line-height:1.15;letter-spacing:-.02em;margin-bottom:24px;position:relative}
.article-meta{display:inline-flex;align-items:center;gap:20px;font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--text-mute);position:relative}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:4px;height:4px;background:var(--text-mute);border-radius:50%}
.article-cover{width:100%;max-width:880px;aspect-ratio:16/9;margin:50px auto 0;border-radius:12px;background:linear-gradient(135deg,#8B0000,#1C1610);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;box-shadow:0 30px 60px rgba(0,0,0,.4)}

.article-cover-pattern{position:absolute;inset:0;opacity:.15;background-image:repeating-linear-gradient(45deg,transparent,transparent 14px,rgba(255,255,255,.05) 14px,rgba(255,255,255,.05) 15px)}
.article-cover-num{position:absolute;top:20px;left:24px;font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:rgba(245,240,232,.6)}
.article-cover-corner{position:absolute;width:50px;height:50px;border:1px solid var(--accent);opacity:.5}
.article-cover-corner.tl{top:12px;right:12px;border-left:none;border-bottom:none}
.article-body{padding:60px 0 100px;font-size:17px;line-height:1.85;color:var(--text-soft)}
.article-body h1{font-family:var(--serif);font-weight:900;font-size:38px;line-height:1.2;color:var(--text);margin:50px 0 30px;letter-spacing:-.01em}
.article-body h2{font-family:var(--serif);font-weight:700;font-size:26px;line-height:1.3;color:var(--text);margin:50px 0 20px;letter-spacing:-.005em;padding-left:18px;border-left:3px solid var(--accent)}
.article-body h3{font-family:var(--serif);font-weight:600;font-size:20px;line-height:1.4;color:var(--text);margin:36px 0 14px}
.article-body p{margin-bottom:20px}
.article-body strong{color:var(--text);font-weight:600;background:linear-gradient(to bottom,transparent 65%,rgba(212,175,55,.25) 65%);padding:0 2px}
.article-body em{color:var(--accent);font-style:italic}
.article-body ul,.article-body ol{margin:0 0 24px 24px}
.article-body li{margin-bottom:10px;padding-left:8px;position:relative}
.article-body ul li::before{content:'·';position:absolute;left:-12px;color:var(--accent);font-weight:700}
.article-body a{color:var(--accent);border-bottom:1px solid var(--line-strong);transition:border-color .2s}
.article-body a:hover{border-color:var(--accent)}
.article-body code{font-family:var(--mono);font-size:14px;background:var(--bg-card);padding:2px 8px;border-radius:4px;color:var(--accent);border:1px solid var(--line)}
.article-body blockquote{margin:30px 0;padding:24px 28px;background:var(--bg-soft);border-left:3px solid var(--accent);border-radius:0 6px 6px 0;font-style:italic;color:var(--text-soft)}
.article-body table{width:100%;border-collapse:collapse;margin:30px 0;font-size:15px}
.article-body th{background:var(--bg-soft);color:var(--text);padding:12px 16px;text-align:left;font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line)}
.article-body td{padding:12px 16px;border:1px solid var(--line);color:var(--text-soft)}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.article-body img{border-radius:8px;margin:30px 0;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.article-footer{padding:60px 0 80px;border-top:1px solid var(--line)}
.article-cta{text-align:center;padding:50px 30px;background:linear-gradient(135deg,var(--bg-soft),var(--bg-card));border:1px solid var(--line);border-radius:12px;margin-bottom:60px;position:relative;overflow:hidden}
.article-cta::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent),var(--crimson),var(--accent),transparent)}
.article-cta h3{font-family:var(--serif);font-size:24px;font-weight:700;margin-bottom:12px}
.article-cta p{color:var(--text-soft);margin-bottom:24px;font-size:15px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:6px;font-size:14px;font-weight:500;transition:all .25s}
.btn-primary{background:var(--text);color:var(--bg)}
.btn-primary:hover{background:var(--accent)}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text);margin-left:12px}
.btn-ghost:hover{border-color:var(--text)}
.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:60px}
.article-nav-item{padding:24px;background:var(--bg-card);border:1px solid var(--line);border-radius:8px;transition:all .25s;display:block}
.article-nav-item:hover{border-color:var(--accent);transform:translateY(-2px)}
.article-nav-item.next{text-align:right}
.article-nav-label{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-mute);margin-bottom:8px;display:block}
.article-nav-title{font-family:var(--serif);font-size:16px;font-weight:500;color:var(--text);line-height:1.4}
.footer{padding:50px 0 40px;border-top:1px solid var(--line)}
.footer-inner{max-width:1280px;margin:0 auto;padding:0 var(--pad-x);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
.footer-copy{font-size:13px;color:var(--text-mute)}
.footer-links{display:flex;gap:24px}
.footer-links a{font-size:13px;color:var(--text-soft);transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.fade-in{opacity:1;transform:translateY(0);transition:opacity .8s ease,transform .8s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
@media (max-width:760px){
  .article-hero{padding:110px 0 40px}
  
  .article-body{padding:40px 0 60px;font-size:16px}
  .article-body h1{font-size:30px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .article-nav{grid-template-columns:1fr;gap:12px}
  .article-nav-item.next{text-align:left}
  .nav-links{display:none}
  .nav-burger{display:flex}
  .btn-ghost{margin-left:0;margin-top:12px}
}
.article-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}.article-cover-pattern{z-index:2}.article-cover-corner{z-index:2}.article-cover-num{z-index:2}
/* ai-10x-book cover override */
.article-cover{background:linear-gradient(135deg,var(--crimson),#1a0a0a)}