:root{--brand-50: #eff6ff;--brand-100: #dbeafe;--brand-200: #bfdbfe;--brand-500: #3b82f6;--brand-600: #2563eb;--brand-700: #1d4ed8;--brand-900: #1e40af;--ink-900: #0f172a;--ink-700: #334155;--ink-500: #64748b;--ink-400: #94a3b8;--canvas: #f8fafc;--card: #ffffff;--line: #e2e8f0;--dark: #111827;--radius-s: 8px;--radius-m: 12px;--radius-l: 16px}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--canvas);color:var(--ink-900);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}a{color:inherit}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:50;background:#ffffffdb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(226,232,240,.9)}.header-inner{display:flex;align-items:center;gap:16px;height:64px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em}.brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand-600),var(--brand-700));display:inline-flex;align-items:center;justify-content:center;color:#fff}.nav{display:flex;gap:4px;margin-left:12px}.nav a{padding:8px 12px;border-radius:8px;color:var(--ink-700);text-decoration:none;font-size:14px;font-weight:500}.nav a:hover{background:#f1f5f9;color:var(--ink-900)}.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}.btn{display:inline-flex;align-items:center;gap:8px;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .15s ease-out,border-color .15s ease-out,transform .15s ease-out;white-space:nowrap}.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 4px 14px #2563eb47}.btn-primary:hover{background:var(--brand-700)}.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink-900)}.btn-secondary:hover{border-color:var(--brand-200);background:var(--brand-50)}.btn-ghost{background:transparent;color:var(--ink-700)}.btn-ghost:hover{background:#f1f5f9}.btn svg{width:16px;height:16px;flex:none}.lang-switch{position:relative}.lang-btn{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:13px;font-weight:600;color:var(--ink-700);cursor:pointer}.lang-btn:hover{border-color:var(--brand-200)}.lang-menu{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px #0f172a1f;min-width:168px;padding:6px;display:none}.lang-switch.open .lang-menu{display:block}.lang-menu button{width:100%;text-align:left;background:transparent;border:0;cursor:pointer;padding:9px 10px;border-radius:8px;font-size:13px;font-weight:600;color:var(--ink-700);display:flex;align-items:center;justify-content:space-between}.lang-menu button:hover,.lang-menu button[aria-checked=true]{background:var(--brand-50);color:var(--ink-900)}.hero{padding:64px 0 32px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:12px;font-weight:700;color:var(--brand-700)}.eyebrow svg{width:14px;height:14px}h1{font-size:44px;line-height:1.08;letter-spacing:-.025em;margin:16px 0 12px}.lead{font-size:17px;line-height:1.6;color:var(--ink-700);margin:0 0 20px;max-width:56ch}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}.trust-line{font-size:13px;color:var(--ink-500)}.trust-line a{color:var(--brand-700);font-weight:600}.hero-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);box-shadow:0 20px 50px #0f172a14;overflow:hidden}.hero-card-head{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}.dot{width:10px;height:10px;border-radius:50%;background:#e2e8f0}.hero-card-body{padding:16px}.editor-mock{background:var(--canvas);border:1px solid var(--line);border-radius:var(--radius-m);padding:12px;font-size:14px;line-height:1.65;color:var(--ink-700);min-height:96px}.mock-row{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}.voice-pill{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:13px;font-weight:600}.voice-pill svg{width:14px;height:14px;color:var(--brand-600)}.tier-tag{font-size:11px;font-weight:800;padding:3px 8px;border-radius:999px}.tier-free{background:#e0f2fe;color:#0284c7}.tier-pro{background:#ede9fe;color:#6d28d9}.tier-premium{background:#111827;color:#fbbf24}.section{padding:36px 0}.section-title{font-size:26px;letter-spacing:-.02em;margin:0 0 8px}.section-sub{color:var(--ink-500);font-size:15px;margin:0 0 20px;max-width:72ch}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);padding:18px}.card h3{margin:12px 0 6px;font-size:15px}.card p{margin:0;color:var(--ink-700);font-size:14px;line-height:1.6}.icon-box{width:36px;height:36px;border-radius:10px;background:var(--brand-50);color:var(--brand-700);display:inline-flex;align-items:center;justify-content:center}.icon-box 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