*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
    :root{
      --primary:#7c3aed;--primary-hover:#6d28d9;--primary-light:#ede9fe;--primary-50:#f5f3ff;
      --bg:#ffffff;--surface:#f8fafc;--border:#e2e8f0;
      --text:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;
      --shadow:0 4px 6px -1px rgba(0,0,0,0.07),0 2px 4px -2px rgba(0,0,0,0.05);
      --shadow-md:0 10px 15px -3px rgba(0,0,0,0.08),0 4px 6px -4px rgba(0,0,0,0.05);
      --radius:12px;--radius-lg:16px;
    }
    html{scroll-behavior:smooth;}
    body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;}
    a{color:inherit;text-decoration:none;}

    /* Header */
    .header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);}
    .header-inner{max-width:1100px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:24px;}
    .logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;}
    .logo-icon{width:34px;height:34px;background:var(--primary);border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:16px;}
    .header-actions{margin-left:auto;display:flex;gap:10px;align-items:center;}
    .btn-ghost{padding:7px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;color:var(--text-muted);background:none;border:none;cursor:pointer;}
    .btn-ghost:hover{background:var(--surface);}
    .btn-primary{padding:8px 18px;border-radius:var(--radius);font-size:14px;font-weight:600;background:var(--primary);color:#fff;border:none;cursor:pointer;}
    .btn-primary:hover{background:var(--primary-hover);}
    .mob-menu-btn{display:none;width:34px;height:34px;background:var(--primary);border:none;border-radius:9px;cursor:pointer;align-items:center;justify-content:center;flex-shrink:0;}
    .mob-menu-btn .icon-close{display:none;}
    .mob-menu-btn.open .icon-burger{display:none;}
    .mob-menu-btn.open .icon-close{display:block;}
    .mob-nav{display:none;flex-direction:column;background:#fff;border-top:1px solid var(--border);padding:8px 0 12px;}
    .mob-nav.open{display:flex;}
    .mob-nav-link{display:block;padding:11px 20px;font-size:15px;font-weight:500;color:var(--text);}
    .mob-nav-link:hover{background:var(--surface);color:var(--primary);}
    .mob-nav-divider{height:1px;background:var(--border);margin:6px 20px;}

    /* Article layout */
    .article-hero{background:linear-gradient(160deg,#f5f3ff 0%,#fff 60%);padding:48px 24px 40px;text-align:center;}
    .article-hero-tag{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--primary);background:var(--primary-50);padding:4px 12px;border-radius:20px;margin-bottom:16px;}
    .article-hero h1{font-size:clamp(24px,4.5vw,44px);font-weight:800;line-height:1.15;letter-spacing:-0.03em;max-width:760px;margin:0 auto 16px;}
    .article-hero-meta{font-size:13px;color:var(--text-light);display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

    .article-wrap{max-width:740px;margin:0 auto;padding:48px 24px 80px;}

    /* TOC */
    .toc{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;margin:0 0 40px;}
    .toc-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-light);margin-bottom:12px;}
    .toc-list{list-style:none;display:flex;flex-direction:column;gap:8px;}
    .toc-list a{font-size:14px;color:var(--primary);}
    .toc-list a:hover{text-decoration:underline;}

    /* Typography */
    .article-wrap h2{font-size:22px;font-weight:700;margin:40px 0 14px;line-height:1.3;}
    .article-wrap h3{font-size:17px;font-weight:700;margin:28px 0 10px;line-height:1.35;}
    .article-wrap p{font-size:15px;color:var(--text-muted);margin-bottom:16px;line-height:1.75;}
    .article-wrap strong{color:var(--text);}
    .article-wrap a{color:var(--primary);text-decoration:underline;text-underline-offset:2px;}

    /* Highlight box */
    .highlight-box{background:var(--primary-50);border-left:4px solid var(--primary);border-radius:0 var(--radius) var(--radius) 0;padding:16px 20px;margin:24px 0;}
    .highlight-box p{margin:0;color:var(--text);}

    /* Steps */
    .steps-list{list-style:none;display:flex;flex-direction:column;gap:16px;margin:24px 0;}
    .steps-list li{display:flex;gap:14px;align-items:flex-start;}
    .step-num{width:28px;height:28px;min-width:28px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-top:2px;}
    .step-text{font-size:15px;color:var(--text-muted);line-height:1.65;}
    .step-text strong{color:var(--text);}

    /* Comparison table */
    .compare-table{width:100%;border-collapse:collapse;margin:28px 0;font-size:14px;}
    .compare-table th{background:var(--primary);color:#fff;padding:10px 14px;text-align:left;font-weight:600;}
    .compare-table th:first-child{border-radius:var(--radius) 0 0 0;}
    .compare-table th:last-child{border-radius:0 var(--radius) 0 0;}
    .compare-table td{padding:10px 14px;border-bottom:1px solid var(--border);vertical-align:top;color:var(--text-muted);}
    .compare-table tr:last-child td{border-bottom:none;}
    .compare-table tr:nth-child(even) td{background:var(--surface);}
    .compare-table .winner{font-weight:700;color:var(--primary);}
    .badge-best{display:inline-block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;background:var(--primary);color:#fff;padding:2px 8px;border-radius:20px;margin-left:6px;vertical-align:middle;}
    .badge-ok{display:inline-block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;background:#d1fae5;color:#065f46;padding:2px 8px;border-radius:20px;margin-left:6px;vertical-align:middle;}
    .badge-limit{display:inline-block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;background:#fef3c7;color:#92400e;padding:2px 8px;border-radius:20px;margin-left:6px;vertical-align:middle;}

    /* Tool cards */
    .tool-grid{display:flex;flex-direction:column;gap:20px;margin:24px 0;}
    .tool-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 24px;box-shadow:var(--shadow);}
    .tool-card-header{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
    .tool-card-rank{width:36px;height:36px;min-width:36px;background:var(--primary);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;}
    .tool-card-name{font-size:17px;font-weight:700;color:var(--text);}
    .tool-card-sub{font-size:12px;color:var(--text-light);margin-top:2px;}
    .tool-card p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:10px;}
    .tool-card p:last-child{margin-bottom:0;}
    .pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px;}
    .pros,.cons{font-size:13px;line-height:1.7;}
    .pros-title,.cons-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;}
    .pros-title{color:#059669;}
    .cons-title{color:#dc2626;}
    .pros li,.cons li{list-style:none;padding-left:16px;position:relative;color:var(--text-muted);}
    .pros li::before{content:"✓";position:absolute;left:0;color:#059669;font-weight:700;}
    .cons li::before{content:"✗";position:absolute;left:0;color:#dc2626;font-weight:700;}

    /* Verdict */
    .verdict-box{background:linear-gradient(135deg,var(--primary-50),#fff);border:2px solid var(--primary);border-radius:var(--radius-lg);padding:24px;margin:32px 0;text-align:center;}
    .verdict-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--primary);margin-bottom:8px;}
    .verdict-text{font-size:18px;font-weight:700;color:var(--text);line-height:1.4;}
    .verdict-sub{font-size:14px;color:var(--text-muted);margin-top:8px;}

    /* FAQ */
    .faq-list{display:flex;flex-direction:column;gap:16px;margin:24px 0;}
    .faq-item{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
    .faq-q{width:100%;background:var(--surface);border:none;padding:16px 20px;text-align:left;font-size:15px;font-weight:600;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;}
    .faq-q:hover{background:#eef2f7;}
    .faq-icon{font-size:18px;color:var(--primary);flex-shrink:0;transition:transform .2s;}
    .faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s;}
    .faq-item.open .faq-a{max-height:400px;padding:16px 20px;}
    .faq-item.open .faq-icon{transform:rotate(45deg);}
    .faq-a p{font-size:14px;color:var(--text-muted);margin:0;line-height:1.75;}

    /* CTA */
    .cta-box{background:linear-gradient(135deg,#7c3aed,#5b21b6);border-radius:var(--radius-lg);padding:36px 32px;text-align:center;margin:40px 0;}
    .cta-box h3{font-size:22px;font-weight:800;color:#fff;margin-bottom:10px;}
    .cta-box p{color:rgba(255,255,255,0.8);font-size:15px;margin-bottom:22px;}
    .btn-cta-white{display:inline-flex;padding:12px 26px;background:#fff;color:var(--primary);border:none;border-radius:var(--radius);font-size:15px;font-weight:700;cursor:pointer;}
    .btn-cta-white:hover{background:#f5f3ff;}

    /* CTA Section */
    .cta-section{background:linear-gradient(135deg,#7c3aed,#5b21b6);padding:72px 24px;text-align:center;}
    .cta-section h2{font-size:clamp(24px,4vw,36px);font-weight:800;color:#fff;margin-bottom:12px;}
    .cta-section p{font-size:16px;color:rgba(255,255,255,0.8);margin-bottom:28px;}
    .btn-white{display:inline-flex;padding:13px 28px;background:#fff;color:var(--primary);border:none;border-radius:var(--radius);font-size:15px;font-weight:700;}
    .btn-white:hover{background:#f5f3ff;}

    /* Footer */
    .footer{background:var(--surface);border-top:1px solid var(--border);padding:48px 24px 28px;}
    .footer-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid var(--border);}
    .footer-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:10px;}
    .footer-logo-icon{width:30px;height:30px;background:var(--primary);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:15px;}
    .footer-tagline{font-size:14px;color:var(--text-muted);line-height:1.6;max-width:260px;}
    .footer-col-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.8px;margin-bottom:14px;}
    .footer-links{list-style:none;display:flex;flex-direction:column;gap:9px;}
    .footer-links a{font-size:14px;color:var(--text-muted);}
    .footer-links a:hover{color:var(--primary);}
    .footer-bottom{max-width:1100px;margin:24px auto 0;}
    .footer-bottom p{font-size:12px;color:var(--text-light);}

    @media(max-width:768px){.mob-menu-btn{display:flex;}.logo-icon{display:none;}.footer-inner{grid-template-columns:1fr 1fr;}.pros-cons{grid-template-columns:1fr;}.compare-table{font-size:12px;}}
    @media(max-width:480px){.footer-inner{grid-template-columns:1fr;}.btn-ghost{display:none;}.header-inner{padding:0 16px;}}
    html,body{overflow-x:hidden;}

    /* Additional components */
    .stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0;}
    .stat-grid{grid-template-columns:1fr 1fr;}
    .stat-grid{grid-template-columns:1fr;}
    .example-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;margin:20px 0;}
    .example-box .label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:10px;}
    .example-box p{font-size:15px;color:var(--text);margin:0;line-height:1.7;}
    .platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0;}
    .platform-grid{grid-template-columns:1fr 1fr;}
    .platform-grid{grid-template-columns:1fr;}
    .show-notes-example{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;margin:24px 0;}
    .show-notes-example-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-light);margin-bottom:16px;}
    .lang-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; margin: 24px 0; }
    .lang-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
    .lang-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 14px; font-size: 14px; display: flex; align-items: center; gap: 8px; }
    .badge-yes{color:#16a34a;font-weight:700;}
    .badge-no{color:#dc2626;font-weight:700;}
    .badge-partial { color: #d97706; }
    .citation-demo{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;margin:24px 0;}
    .citation-demo-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-light);margin-bottom:12px;}
    .use-case-list{display:flex;flex-direction:column;gap:12px;margin:20px 0;}
    .related-links { background: var(--surface); border-radius: var(--radius-lg); padding: 20px 24px; margin: 40px 0; }
    .related-links h3 { font-size: 14px; font-weight: 600; margin-bottom: 12px; color: var(--text-light); text-transform: uppercase; letter-spacing: .5px; }
    .related-links a { display: inline-block; margin-right: 8px; margin-bottom: 8px; background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 5px 14px; font-size: 13px; color: var(--primary); }
    .checklist{list-style:none;display:flex;flex-direction:column;gap:10px;margin:20px 0;}
    .checklist li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-muted);line-height:1.6;}
    .checklist li::before{content:"✅";flex-shrink:0;margin-top:1px;}
    .checklist li.optional::before{content:"⚡";}