:root{
    --white:#ffffff;--off-white:#f8f7f4;--light-gray:#f0eeea;--border:#e2ddd6;
    --text-primary:#1a1714;--text-secondary:#4a4540;--text-muted:#8a837a;
    --accent:#c0392b;--accent-dark:#96231c;--accent-light:#e8d5d3;
    --blue:#2c4a7c;--blue-light:#e8edf5;
    --green:#2d6a4f;--green-light:#e8f0ec;
    --gold:#8b6914;--gold-light:#f5edd8;
    --shadow-sm:0 1px 4px rgba(0,0,0,0.06);--shadow-md:0 4px 16px rgba(0,0,0,0.08);--shadow-lg:0 12px 40px rgba(0,0,0,0.1);
  }
  *{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}
  body{font-family:'Source Sans 3',sans-serif;background:var(--white);color:var(--text-primary);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}

  header{position:sticky;top:0;z-index:100;background:var(--white);border-bottom:1px solid var(--border);padding:0 40px;display:flex;align-items:center;justify-content:space-between;height:64px;box-shadow:var(--shadow-sm)}
  .logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
  .logo-icon{width:36px;height:36px;background:var(--accent);border-radius:6px;display:flex;align-items:center;justify-content:center;font-family:'Playfair Display',serif;font-weight:700;color:white;font-size:18px}
  .logo-text{font-family:'Playfair Display',serif;font-weight:700;font-size:20px;letter-spacing:-0.3px}
  .logo-text span{color:var(--accent)}
  nav{display:flex;align-items:center;gap:32px;flex:1;justify-content:center}
  nav a{text-decoration:none;color:var(--text-secondary);font-size:14px;font-weight:500;transition:color 0.2s;position:relative}
  nav a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--accent);transition:width 0.25s}
  nav a:hover{color:var(--accent)}nav a:hover::after{width:100%}
  .nav-cta{background:var(--accent);color:white!important;padding:8px 20px;border-radius:4px}
  .nav-cta::after{display:none!important}.nav-cta:hover{background:var(--accent-dark)!important}

  .topics-bar{background:var(--text-primary);padding:0 40px;display:flex;align-items:center;overflow-x:auto;scrollbar-width:none}
  .topics-bar::-webkit-scrollbar{display:none}
  .topics-bar a{color:rgba(255,255,255,0.65);text-decoration:none;font-size:13px;font-weight:500;padding:14px 20px;white-space:nowrap;border-right:1px solid rgba(255,255,255,0.1);transition:color 0.2s,background 0.2s}
  .topics-bar a:hover{color:white;background:rgba(255,255,255,0.07)}
  .topics-bar a.active{color:white;background:rgba(255,255,255,0.1)}

  .breadcrumb{background:var(--off-white);border-bottom:1px solid var(--border);padding:12px 40px}
  .breadcrumb-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}
  .breadcrumb a{color:var(--text-muted);text-decoration:none}.breadcrumb a:hover{color:var(--accent)}
  .breadcrumb-sep{color:var(--border)}.breadcrumb-current{color:var(--text-secondary);font-weight:500}

  /* ARTICLE HERO */
  .article-hero{background:var(--off-white);border-bottom:1px solid var(--border);padding:56px 40px}
  .article-hero-inner{max-width:1200px;margin:0 auto}
  .article-label{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);background:var(--accent-light);padding:4px 12px;border-radius:20px;margin-bottom:20px}
  .article-title{font-family:'Playfair Display',serif;font-size:48px;font-weight:700;line-height:1.1;letter-spacing:-1.5px;max-width:760px;margin-bottom:24px}
  .article-meta{display:flex;align-items:center;gap:20px;font-size:13px;color:var(--text-muted);margin-bottom:32px;flex-wrap:wrap}
  .meta-sep{color:var(--border)}
  .article-meta strong{color:var(--text-secondary)}
  .article-cover{width:100%;height:420px;object-fit:cover;border-radius:12px;display:block}

  /* ARTICLE LAYOUT */
  .article-layout{max-width:1200px;margin:0 auto;padding:56px 40px;display:grid;grid-template-columns:1fr 280px;gap:64px;align-items:start}

  /* ARTICLE BODY */
  .article-body{}
  .article-body h2{font-family:'Playfair Display',serif;font-size:28px;font-weight:700;letter-spacing:-0.5px;line-height:1.25;margin:40px 0 16px;padding-top:8px;color:var(--text-primary)}
  .article-body h2:first-child{margin-top:0}
  .article-body h3{font-family:'Playfair Display',serif;font-size:21px;font-weight:700;line-height:1.3;margin:28px 0 12px;color:var(--text-primary)}
  .article-body p{font-family:'Libre Baskerville',serif;font-size:16px;line-height:1.85;color:var(--text-secondary);margin-bottom:20px}
  .article-body p strong{color:var(--text-primary)}
  .article-body ul,.article-body ol{margin:16px 0 24px 0;padding-left:0;list-style:none}
  .article-body li{font-family:'Libre Baskerville',serif;font-size:15.5px;line-height:1.75;color:var(--text-secondary);padding:7px 0 7px 20px;position:relative;border-bottom:1px solid var(--border)}
  .article-body li:last-child{border-bottom:none}
  .article-body ul li::before{content:'→';position:absolute;left:0;color:var(--accent);font-family:sans-serif;font-size:13px;top:9px}
  .article-body ol{counter-reset:item}
  .article-body ol li{counter-increment:item}
  .article-body ol li::before{content:counter(item)'.';position:absolute;left:0;color:var(--accent);font-weight:700;font-size:13px;top:8px;font-family:'Source Sans 3',sans-serif}

  /* Comparison block */
  .comparison{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--border);border-radius:12px;overflow:hidden;margin:32px 0}
  .comp-col{}
  .comp-header{padding:20px 24px;font-family:'Playfair Display',serif;font-size:17px;font-weight:700;color:white;display:flex;align-items:center;gap:10px}
  .comp-header--fl{background:var(--blue)}
  .comp-header--ul{background:var(--accent)}
  .comp-body{padding:0}
  .comp-row{padding:14px 24px;border-bottom:1px solid var(--border);font-family:'Libre Baskerville',serif;font-size:14px;line-height:1.6;color:var(--text-secondary);display:flex;gap:10px;align-items:flex-start}
  .comp-row:last-child{border-bottom:none}
  .comp-row-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;margin-top:6px}
  .comp-col:first-child .comp-row-dot{background:var(--blue)}
  .comp-col:last-child .comp-row-dot{background:var(--accent)}
  .comp-col:first-child .comp-body{border-right:1px solid var(--border)}

  /* Key point callout */
  .callout{background:var(--off-white);border-left:4px solid var(--accent);border-radius:0 8px 8px 0;padding:20px 24px;margin:28px 0;font-family:'Libre Baskerville',serif;font-style:italic;font-size:16px;line-height:1.7;color:var(--text-secondary)}
  .callout strong{color:var(--accent);font-style:normal}

  /* Share bar */
  .article-footer{margin-top:48px;padding-top:32px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
  .article-tags{display:flex;flex-wrap:wrap;gap:8px}
  .article-tag{font-size:12px;font-weight:600;padding:5px 12px;border-radius:20px;background:var(--off-white);border:1px solid var(--border);color:var(--text-secondary)}
  .article-nav{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);text-decoration:none}
  .article-nav:hover{color:var(--accent-dark)}

  /* SIDEBAR */
  .art-sidebar{}
  .art-sidebar-toc{background:var(--off-white);border:1px solid var(--border);border-radius:10px;padding:24px;margin-bottom:24px;position:sticky;top:80px}
  .toc-title{font-family:'Playfair Display',serif;font-size:15px;font-weight:700;color:var(--text-primary);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
  .toc-list{list-style:none}
  .toc-item a{display:block;padding:8px 0;font-size:13px;color:var(--text-secondary);text-decoration:none;border-bottom:1px solid var(--border);transition:color 0.2s;line-height:1.4}
  .toc-item:last-child a{border-bottom:none}
  .toc-item a:hover{color:var(--accent)}
  .toc-item a.active{color:var(--accent);font-weight:600}
  .art-sidebar-cta{background:var(--accent);border-radius:10px;padding:24px;margin-bottom:24px}
  .art-sidebar-cta h3{font-family:'Playfair Display',serif;font-size:17px;font-weight:700;color:white;margin-bottom:10px}
  .art-sidebar-cta p{font-size:13px;color:rgba(255,255,255,0.85);margin-bottom:16px;line-height:1.5}
  .art-sidebar-cta a{display:block;text-align:center;background:white;color:var(--accent);padding:11px;border-radius:4px;text-decoration:none;font-weight:700;font-size:14px}

  /* Related */
  .related{background:var(--off-white);border-top:1px solid var(--border);padding:56px 40px}
  .related-inner{max-width:1200px;margin:0 auto}
  .related-title{font-family:'Playfair Display',serif;font-size:28px;font-weight:700;margin-bottom:32px;letter-spacing:-0.5px}
  .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .related-card{background:var(--white);border:1px solid var(--border);border-radius:10px;overflow:hidden;text-decoration:none;color:inherit;transition:box-shadow 0.25s,transform 0.25s}
  .related-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
  .related-card-img{height:160px;overflow:hidden}
  .related-card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s}
  .related-card:hover .related-card-img img{transform:scale(1.05)}
  .related-card-body{padding:20px}
  .related-card-label{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
  .related-card-title{font-family:'Playfair Display',serif;font-size:17px;font-weight:700;line-height:1.3;color:var(--text-primary)}

  footer{background:#111;color:rgba(255,255,255,0.6);padding:56px 40px 32px}
  .footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:280px 1fr 1fr;gap:48px;margin-bottom:48px}
  .footer-logo{font-family:'Playfair Display',serif;font-size:22px;font-weight:700;color:white;margin-bottom:12px}
  .footer-logo span{color:#e8a89e}.footer-tagline{font-size:13px;line-height:1.6;margin-bottom:20px}
  .footer-col h4{font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:white;margin-bottom:20px}
  .footer-col ul{list-style:none}.footer-col ul li{margin-bottom:10px}
  .footer-col a{color:rgba(255,255,255,0.5);text-decoration:none;font-size:14px;transition:color 0.2s}.footer-col a:hover{color:white}
  .footer-bottom{max-width:1200px;margin:0 auto;padding-top:24px;border-top:1px solid rgba(255,255,255,0.1);display:flex;justify-content:space-between;align-items:center;font-size:12px}

  @media(max-width:900px){
    header{padding:0 20px}nav{display:none}
    .article-hero{padding:36px 20px}.article-title{font-size:30px}
    .article-layout{grid-template-columns:1fr;padding:32px 20px;gap:0}
    .art-sidebar{display:none}
    .comparison{grid-template-columns:1fr}.comp-col:first-child .comp-body{border-right:none}
    .related{padding:40px 20px}.related-grid{grid-template-columns:1fr}
    .topics-bar{padding:0 20px}.breadcrumb{padding:12px 20px}
    .footer-grid{grid-template-columns:1fr 1fr}
  }