:root{--bg: #f8fafc;--surface: #ffffff;--ink: #0f172a;--ink-soft: #475569;--ink-faint: #94a3b8;--line: #e2e8f0;--brand: #0ea5e9;--brand-dark: #0369a1;--brand-ink: #0c4a6e;--accent: #14b8a6;--warn: #f59e0b;--danger: #ef4444;--ok: #16a34a;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .05);--maxw: 1180px;--font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}a{color:var(--brand-dark);text-decoration:none}a:hover{text-decoration:underline}img,svg{max-width:100%;display:block}h1,h2,h3,h4{line-height:1.2;color:var(--ink);margin:0 0 .5em}h1{font-size:clamp(1.8rem,3.5vw,2.6rem);letter-spacing:-.02em}h2{font-size:clamp(1.4rem,2.5vw,1.9rem);letter-spacing:-.01em}h3{font-size:1.15rem}p{margin:0 0 1rem}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.section{padding:56px 0}.section-tight{padding:32px 0}.muted{color:var(--ink-soft)}.faint{color:var(--ink-faint)}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:.15s ease}.btn:hover{text-decoration:none}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-ghost{background:transparent;color:var(--brand-dark);border-color:var(--line)}.btn-ghost:hover{border-color:var(--brand)}.site-header{position:sticky;top:0;z-index:40;background:#ffffffeb;backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--line)}.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:1.15rem}.brand:hover{text-decoration:none}.brand .logo{width:30px;height:30px;border-radius:7px}.nav{display:flex;gap:22px;align-items:center}.nav a{color:var(--ink-soft);font-weight:500}.nav a:hover,.nav a[aria-current=page]{color:var(--brand-dark);text-decoration:none}.header-cta{display:flex;align-items:center;gap:12px}.hero{background:radial-gradient(1200px 400px at 80% -10%,rgba(14,165,233,.18),transparent),linear-gradient(180deg,#0f172a,#111c33);color:#e2e8f0}.hero h1{color:#fff}.hero .muted{color:#cbd5e1}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.badge-pill{display:inline-flex;align-items:center;gap:8px;background:#14b8a626;color:#5eead4;border:1px solid rgba(20,184,166,.35);padding:5px 12px;border-radius:999px;font-size:.82rem;font-weight:600}.hero-points{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}.hero-points li{display:flex;gap:10px;align-items:flex-start;color:#cbd5e1}.hero-points .ic{color:var(--accent);font-weight:800}.grid{display:grid;gap:20px}.grid-cats{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.grid-products{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.18s ease;display:flex;flex-direction:column}.card:hover{transform:translateY(-3px);border-color:#cbd5e1;box-shadow:0 10px 30px #0f172a1a}.card a{color:inherit}.card a:hover{text-decoration:none}.card .body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}.card h3{font-size:1.02rem;margin:0}.card .thumb{aspect-ratio:4 / 3;display:grid;place-items:center;font-size:2.6rem;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);border-bottom:1px solid var(--line);position:relative}.price{font-weight:800;font-size:1.1rem;color:var(--ink)}.price .old{font-weight:500;font-size:.85rem;color:var(--ink-faint);text-decoration:line-through;margin-left:8px}.tag-row{display:flex;flex-wrap:wrap;gap:6px}.chip{font-size:.72rem;font-weight:600;padding:3px 9px;border-radius:999px;background:#ecfeff;color:var(--brand-ink);border:1px solid #cffafe}.chip-ok{background:#dcfce7;color:#166534;border-color:#bbf7d0}.chip-warn{background:#fef3c7;color:#92400e;border-color:#fde68a}.badge-float{position:absolute;top:10px;left:10px;background:var(--brand);color:#fff;font-size:.7rem;font-weight:700;padding:3px 9px;border-radius:999px}.spec{width:100%;border-collapse:collapse;font-size:.92rem}.spec td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}.spec td:first-child{color:var(--ink-soft);width:38%;font-weight:600}.crumbs{font-size:.85rem;color:var(--ink-faint);padding:14px 0}.crumbs a{color:var(--ink-soft)}.callout{background:#f0f9ff;border:1px solid #bae6fd;border-radius:var(--radius);padding:18px 20px;color:var(--brand-ink)}.callout.warn{background:#fffbeb;border-color:#fde68a;color:#92400e}.site-footer{background:#0f172a;color:#94a3b8;padding:44px 0 28px;margin-top:40px}.site-footer a{color:#cbd5e1}.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:12px}.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}.site-footer .fine{border-top:1px solid #1e293b;margin-top:28px;padding-top:18px;font-size:.82rem}.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:10px;background:var(--surface)}.faq-item h3{font-size:1rem;margin:0 0 6px}.faq-item p{margin:0;color:var(--ink-soft)}.ai-fab{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;border:none;background:var(--brand);color:#fff;font-size:1.4rem;cursor:pointer;box-shadow:0 8px 24px #0ea5e973}.ai-panel{position:fixed;right:20px;bottom:88px;z-index:60;width:min(360px,calc(100vw - 40px));height:460px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 50px #0f172a40;display:none;flex-direction:column;overflow:hidden}.ai-panel.open{display:flex}.ai-head{background:var(--brand-dark);color:#fff;padding:12px 14px;font-weight:700;display:flex;justify-content:space-between;align-items:center}.ai-head button{background:transparent;border:none;color:#fff;font-size:1.1rem;cursor:pointer}.ai-log{flex:1;overflow-y:auto;padding:12px;display:grid;gap:10px;align-content:start}.ai-msg{padding:8px 11px;border-radius:10px;font-size:.9rem;max-width:90%}.ai-msg.bot{background:#f1f5f9;align-self:flex-start}.ai-msg.user{background:var(--brand);color:#fff;align-self:flex-end}.ai-rec{display:block;background:#ecfeff;border:1px solid #cffafe;border-radius:8px;padding:7px 10px;margin-top:6px;color:var(--brand-ink);font-size:.85rem}.ai-input{display:flex;border-top:1px solid var(--line)}.ai-input input{flex:1;border:none;padding:12px;font-size:.92rem;outline:none}.ai-input button{border:none;background:var(--brand);color:#fff;padding:0 16px;cursor:pointer;font-weight:700}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:700;color:var(--brand-dark)}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.stat .n{font-size:1.7rem;font-weight:800;color:var(--brand-dark)}.stat .l{color:var(--ink-soft);font-size:.9rem}.kbd{font-family:ui-monospace,monospace;background:#f1f5f9;border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:.85em}.hero-img{background:linear-gradient(135deg,#0ea5e92e,#14b8a62e);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);aspect-ratio:4/3;display:grid;place-items:center;font-size:4rem}@media(max-width:860px){.hero-grid{grid-template-columns:1fr}.nav{display:none}.site-footer .cols{grid-template-columns:1fr 1fr}}@media(max-width:540px){.site-footer .cols{grid-template-columns:1fr}}.prose{color:var(--ink);font-size:1.03rem}.prose h2{margin-top:1.7em;font-size:1.4rem;letter-spacing:-.01em}.prose h3{margin-top:1.3em;font-size:1.12rem}.prose p{margin:0 0 1.05em}.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.35em}.prose li{margin:0 0 .45em}.prose a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:2px}.prose strong{color:var(--ink)}.prose .blog-cover img{border-radius:var(--radius)}