*{margin:0;padding:0;box-sizing:border-box}body{background-color:#f8fafc;color:#0f172a;font-family:'Inter',sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.5}.container{width:100%;max-width:1140px;margin:0 auto;padding:0 20px}:root{--bg-main:#f8fafc;--bg-card:#ffffff;--bg-input:#f1f5f9;--text-main:#0f172a;--text-muted:#64748b;--brand-primary:#2563eb;--brand-success:#10b981;--brand-gold:#d97706;--border-muted:#e2e8f0;--radius-lg:16px;--radius-md:12px;--radius-sm:8px;--transition:all 0.25s ease}.engine-wrapper{width:100%;max-width:1140px;margin:0 auto;padding:48px 20px}.engine-intro{text-align:center;margin-bottom:48px}.badge-security{display:inline-flex;align-items:center;gap:6px;background:rgb(16 185 129 / .08);color:#047857;padding:6px 14px;border-radius:100px;font-size:.8rem;font-weight:600;margin-bottom:16px;border:1px solid rgb(16 185 129 / .2);text-transform:uppercase;letter-spacing:.03em}.engine-intro h1{font-size:clamp(1.8rem, 4vw, 2.75rem);font-weight:800;letter-spacing:-.02em;margin-bottom:12px;color:var(--text-main)}.engine-intro p{font-size:clamp(1rem, 1.8vw, 1.15rem);color:var(--text-muted);max-width:620px;margin:0 auto}.main-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:32px;align-items:start}.content-panel{display:flex;flex-direction:column;gap:32px}.config-card{background-color:var(--bg-card);border:1px solid var(--border-muted);border-radius:var(--radius-lg);padding:32px;box-shadow:0 4px 20px -2px rgb(0 0 0 / .05);position:relative}.config-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:var(--brand-primary);border-radius:var(--radius-lg) var(--radius-lg) 0 0}.config-card.premium-active::before{background:var(--brand-gold)}.card-header-title{font-size:1.35rem;font-weight:700;margin-bottom:24px;display:flex;align-items:center;gap:10px}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}.input-group{display:flex;flex-direction:column;gap:8px}label{font-size:.8rem;font-weight:700;color:var(--text-main);text-transform:uppercase;letter-spacing:.03em}select,input[type="text"]{background-color:var(--bg-input);border:1px solid var(--border-muted);color:var(--text-main);padding:12px 16px;border-radius:var(--radius-sm);font-size:.95rem;font-weight:500;outline:none;transition:var(--transition);width:100%}select:focus{background-color:var(--bg-card);border-color:var(--brand-primary);box-shadow:0 0 0 4px rgb(37 99 235 / .1)}.status-viewport{border-radius:var(--radius-md);padding:24px;background:#f8fafc;border:1px solid var(--border-muted)}.status-title{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.1rem;margin-bottom:8px}.status-desc{font-size:.95rem;color:var(--text-muted);line-height:1.6}.status-standard .status-title{color:var(--brand-primary)}.status-premium{background:rgb(217 119 6 / .02);border-color:rgb(217 119 6 / .2)}.status-premium .status-title{color:var(--brand-gold)}.workflow-panel{background:var(--bg-card);border:1px solid var(--border-muted);border-radius:var(--radius-lg);padding:32px;box-shadow:0 4px 20px -2px rgb(0 0 0 / .05)}.workflow-panel h2{font-size:1.3rem;font-weight:700;margin-bottom:24px}.timeline{position:relative;padding-left:28px}.timeline::before{content:'';position:absolute;left:6px;top:8px;bottom:8px;width:2px;background-color:var(--border-muted)}.timeline-node{position:relative;margin-bottom:28px}.timeline-node:last-child{margin-bottom:0}.timeline-bullet{position:absolute;left:-28px;top:4px;width:14px;height:14px;border-radius:50%;background-color:var(--bg-card);border:3px solid var(--brand-primary);z-index:2}.premium-active .timeline-bullet{border-color:var(--brand-gold)}.timeline-head{font-weight:600;font-size:1rem;margin-bottom:4px;color:var(--text-main)}.timeline-body{font-size:.9rem;color:var(--text-muted)}.features-column{display:flex;flex-direction:column;gap:20px}.feature-card{background-color:var(--bg-card);border:1px solid var(--border-muted);border-radius:var(--radius-lg);padding:24px;box-shadow:0 2px 12px rgb(0 0 0 / .03);transition:var(--transition)}.feature-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgb(0 0 0 / .06)}.icon-wrapper{width:40px;height:40px;border-radius:var(--radius-sm);background:#eff6ff;display:flex;align-items:center;justify-content:center;font-size:1.1rem;margin-bottom:16px;color:var(--brand-primary)}.feature-card.gold-tier .icon-wrapper{color:var(--brand-gold);background:#fffbeb}.feature-card h3{font-size:1.1rem;font-weight:600;margin-bottom:6px}.feature-card p{font-size:.9rem;color:var(--text-muted)}.tag-pill{display:inline-block;padding:3px 8px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;border-radius:4px;background:var(--bg-input);color:var(--text-muted);margin-bottom:12px}.tag-pill.gold{background:#fef3c7;color:var(--brand-gold)}.conversion-bar{background:#f8fafc;border:1px dashed var(--border-muted);border-radius:var(--radius-md);padding:16px;text-align:center;font-size:.85rem;color:var(--text-muted)}.hidden{display:none!important}@media(max-width:980px){.main-layout{grid-template-columns:1fr}}@media (max-width:768px){.engine-wrapper{padding:32px 0}.config-card,.workflow-panel{padding:24px 20px}}@media (max-width:580px){.input-grid{grid-template-columns:1fr;gap:16px}}