*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

        :root {
            --bg: #0A0F0D;
            --bg-light: #0F1512;
            --bg-card: #121A16;
            --bg-card-hover: #1A2620;
            --gold: #34D399;
            --gold-dim: rgba(52, 211, 153, 0.12);
            --gold-glow: rgba(52, 211, 153, 0.3);
            --blue: #6EE7B7;
            --blue-dim: rgba(110, 231, 183, 0.12);
            --white: #F0FDF4;
            --text: #E2E8F0;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border: rgba(255, 255, 255, 0.06);
            --border-light: rgba(255, 255, 255, 0.1);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --radius: 16px;
            --radius-sm: 10px;
        }

        html { scroll-behavior: smooth; }
        body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
        ::selection { background: rgba(52, 211, 153, 0.25); color: var(--white); }
        .heading { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; line-height: 1.15; }
        .heading-gradient { background: linear-gradient(135deg, #F0FDF4 30%, #34D399 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

        @property --border-angle { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
        .glow-card { position: relative; }
        .glow-card::before { content: ''; position: absolute; inset: -1px; border-radius: inherit; background: conic-gradient(from var(--border-angle), transparent 60%, var(--gold) 80%, transparent 100%); z-index: -1; opacity: 0; transition: opacity 0.4s; animation: borderRotate 4s linear infinite; }
        .glow-card:hover::before { opacity: 1; }
        @keyframes borderRotate { to { --border-angle: 360deg; } }

        body::before { content: ''; position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; background: radial-gradient(circle, rgba(255, 255, 255, 0.02) 1px, transparent 1px), radial-gradient(ellipse 800px 600px at 30% 30%, rgba(52, 211, 153, 0.06), transparent), radial-gradient(ellipse 600px 800px at 70% 60%, rgba(110, 231, 183, 0.04), transparent); background-size: 32px 32px, 100% 100%, 100% 100%; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        .nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 0 24px; transition: background 0.3s, backdrop-filter 0.3s, box-shadow 0.3s; }
        .nav.scrolled { background: rgba(10, 15, 13, 0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); box-shadow: 0 1px 0 var(--border); }
        .nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 72px; }
        .nav-wordmark { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 1.3rem; color: var(--white); text-decoration: none; letter-spacing: 3px; text-transform: uppercase; }
        .nav-wordmark span { color: var(--gold); }
        .nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
        .nav-link { color: var(--text-secondary); text-decoration: none; font-size: 0.875rem; font-weight: 500; transition: color 0.2s; }
        .nav-link:hover, .nav-link.active { color: var(--white); }
        .nav-buttons { display: flex; align-items: center; gap: 12px; }
        .btn-ghost { color: var(--text-secondary); background: none; border: 1px solid var(--border-light); padding: 8px 20px; border-radius: 8px; font-size: 0.875rem; font-weight: 500; cursor: pointer; text-decoration: none; transition: all 0.2s; }
        .btn-ghost:hover { color: var(--white); border-color: rgba(255, 255, 255, 0.2); }
        .btn-gold { background: linear-gradient(135deg, #34D399, #10B981); color: #fff; border: none; padding: 10px 24px; border-radius: 8px; font-size: 0.875rem; font-weight: 700; cursor: pointer; text-decoration: none; transition: all 0.2s; box-shadow: 0 2px 12px rgba(52, 211, 153, 0.25); }
        .btn-gold:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(52, 211, 153, 0.35); }
        .btn-gold-lg { padding: 14px 36px; font-size: 1rem; border-radius: 10px; }
        .nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
        .nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: all 0.3s; border-radius: 2px; }
        .nav-mobile { display: none; position: fixed; top: 72px; left: 0; right: 0; background: rgba(10, 15, 13, 0.98); backdrop-filter: blur(20px); padding: 24px; border-bottom: 1px solid var(--border); z-index: 99; }
        .nav-mobile.open { display: block; }
        .nav-mobile a { display: block; color: var(--text); text-decoration: none; padding: 12px 0; font-size: 1rem; font-weight: 500; border-bottom: 1px solid var(--border); }
        .nav-mobile a:last-child { border: none; }

        .scroll-progress-bar { position: fixed; top: 0; left: 0; height: 3px; width: 0%; background: linear-gradient(to right, #34D399, #6EE7B7); z-index: 200; transition: width 0.08s linear; }

        .article-header { max-width: 720px; margin: 0 auto; padding: 140px 24px 48px; text-align: center; position: relative; z-index: 1; }
        .article-category { display: inline-block; background: var(--gold-dim); color: var(--gold); font-size: 0.7rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 6px 16px; border-radius: 100px; margin-bottom: 20px; }
        .article-header h1 { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: clamp(1.8rem, 4.5vw, 2.8rem); color: var(--white); line-height: 1.15; letter-spacing: -0.5px; margin-bottom: 20px; }
        .article-meta { font-size: 0.85rem; color: var(--text-muted); }
        .article-meta span + span::before { content: '\00B7'; margin: 0 8px; }

        .toc { max-width: 680px; margin: 0 auto 48px; padding: 0 24px; position: relative; z-index: 1; }
        .toc-inner { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 32px; }
        .toc-title { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 0.85rem; color: var(--white); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
        .toc-list { list-style: none; counter-reset: toc; }
        .toc-list li { counter-increment: toc; }
        .toc-list a { display: flex; align-items: baseline; gap: 12px; color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; padding: 6px 0; transition: color 0.2s; }
        .toc-list a:hover { color: var(--gold); }
        .toc-list a::before { content: counter(toc, decimal-leading-zero); font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--gold); font-weight: 600; min-width: 20px; }

        .article-body { max-width: 680px; margin: 0 auto; padding: 0 24px 60px; position: relative; z-index: 1; }
        .article-body h2 { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 1.5rem; color: var(--white); margin: 48px 0 16px; letter-spacing: -0.3px; scroll-margin-top: 90px; }
        .article-body h3 { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 600; font-size: 1.15rem; color: var(--white); margin: 32px 0 12px; }
        .article-body p { color: var(--text-secondary); font-size: 1rem; line-height: 1.8; margin-bottom: 20px; }
        .article-body strong { color: var(--white); }
        .article-body a { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }
        .article-body a:hover { color: var(--blue); }
        .article-body ul, .article-body ol { color: var(--text-secondary); margin: 0 0 20px 24px; font-size: 1rem; line-height: 1.8; }
        .article-body li { margin-bottom: 8px; }
        .article-body blockquote { border-left: 3px solid var(--gold); background: var(--gold-dim); padding: 20px 24px; margin: 28px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-style: italic; color: var(--text); }

        .article-cta { background: var(--bg-card); border: 1px solid var(--gold); border-radius: var(--radius); padding: 32px; text-align: center; margin: 40px 0; }
        .article-cta h3 { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 1.2rem; color: var(--white); margin: 0 0 8px; }
        .article-cta p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 20px; line-height: 1.6; }

        .article-faq { max-width: 680px; margin: 0 auto; padding: 0 24px 60px; position: relative; z-index: 1; }
        .article-faq h2 { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 1.5rem; color: var(--white); margin-bottom: 24px; }
        .faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; background: var(--bg-card); }
        .faq-q { width: 100%; background: none; border: none; padding: 20px 24px; text-align: left; color: var(--white); font-size: 0.95rem; font-weight: 600; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-family: inherit; }
        .faq-q::after { content: '+'; font-size: 1.3rem; color: var(--gold); flex-shrink: 0; transition: transform 0.3s; }
        .faq-item.open .faq-q::after { transform: rotate(45deg); }
        .faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
        .faq-item.open .faq-a { max-height: 400px; }
        .faq-a-inner { padding: 0 24px 20px; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

        .related { max-width: 1200px; margin: 0 auto; padding: 0 24px 80px; position: relative; z-index: 1; }
        .related h2 { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 1.5rem; color: var(--white); margin-bottom: 24px; text-align: center; }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .related-card { display: block; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; text-decoration: none; transition: all 0.3s; }
        .related-card:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateY(-2px); }
        .related-card-category { display: inline-block; background: var(--gold-dim); color: var(--gold); font-size: 0.65rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 3px 10px; border-radius: 4px; margin-bottom: 12px; }
        .related-card h3 { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 1rem; color: var(--white); line-height: 1.3; }

        .blog-cta { padding: 80px 0; text-align: center; position: relative; z-index: 1; }
        .blog-cta h2 { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -0.5px; max-width: 600px; margin: 0 auto 12px; }
        .blog-cta .sub { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 32px; }

        .footer { border-top: 1px solid var(--border); padding: 48px 0 32px; position: relative; z-index: 1; }
        .footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
        .footer-left { font-size: 0.82rem; color: var(--text-muted); }
        .footer-left a { color: var(--text-secondary); text-decoration: none; margin-left: 12px; }
        .footer-left a:hover { color: var(--gold); }
        .footer-right { display: flex; gap: 16px; }
        .footer-right a { color: var(--text-muted); text-decoration: none; font-size: 0.82rem; transition: color 0.2s; }
        .footer-right a:hover { color: var(--gold); }

        .back-to-top { position: fixed; bottom: 24px; right: 24px; width: 44px; height: 44px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--text-muted); cursor: pointer; z-index: 80; opacity: 0; transform: translateY(20px); transition: all 0.3s; }
        .back-to-top.show { opacity: 1; transform: translateY(0); }
        .back-to-top:hover { color: var(--gold); border-color: var(--gold-dim); }

        @media (max-width: 768px) {
            .nav { background: rgba(10, 15, 13, 0.9); backdrop-filter: blur(20px); box-shadow: 0 1px 0 var(--border); }
            .nav-links { display: none; }
            .nav-buttons .btn-ghost { display: none; }
            .nav-hamburger { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 10px; }
            .nav-hamburger span { width: 26px; height: 3px; background: var(--gold); margin: 4px 0; }
            .article-header { padding: 152px 24px 32px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-inner { flex-direction: column; text-align: center; }
        }

        @media (max-width: 480px) {
            .article-header h1 { font-size: 1.6rem; }
            .article-cta { padding: 24px; }
        }

        @media print {
            .nav, .scroll-progress-bar, .back-to-top { display: none !important; }
            body { background: white; color: black; }
            body::before { display: none; }
        }
