:root { --primary:#0d1b2a; --secondary:#1b263b; --accent:#e63946; --accent-hover:#c1121f; --text:#333; --light:#f8f9fa; --white:#fff; --border:#e0e0e0; --green:#2ecc71; --shadow:0 4px 20px rgba(0,0,0,0.08); }
* { box-sizing:border-box; margin:0; padding:0; }
body { font-family:'Segoe UI',system-ui,-apple-system,sans-serif; color:var(--text); line-height:1.7; background:var(--light); }
img { max-width:100%; height:auto; }
a { color:var(--accent); text-decoration:none; }
a:hover { text-decoration:underline; }
.container { max-width:1200px; margin:0 auto; padding:0 20px; }
header { background:var(--primary); color:var(--white); position:sticky; top:0; z-index:100; }
header .container { display:flex; align-items:center; justify-content:space-between; height:64px; }
.logo { font-size:1.4rem; font-weight:800; color:var(--white); letter-spacing:-0.5px; }
.logo span { color:var(--accent); }
nav ul { display:flex; list-style:none; gap:28px; }
nav a { color:var(--white); font-weight:500; font-size:0.95rem; }
nav a:hover { color:var(--accent); text-decoration:none; }
.cta-btn { background:var(--accent); color:var(--white); padding:10px 22px; border-radius:6px; font-weight:600; display:inline-block; border:none; cursor:pointer; }
.cta-btn:hover { background:var(--accent-hover); text-decoration:none; }
.hero { background:linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); color:var(--white); padding:80px 0 70px; text-align:center; }
.hero h1 { font-size:2.6rem; font-weight:800; margin-bottom:16px; line-height:1.2; }
.hero p { font-size:1.15rem; opacity:0.9; max-width:700px; margin:0 auto 28px; }
.section { padding:60px 0; }
.section h2 { font-size:2rem; margin-bottom:16px; text-align:center; }
.section-intro { text-align:center; max-width:700px; margin:0 auto 40px; color:#555; }
.grid-3 { display:grid; grid-template-columns:repeat(auto-fit, minmax(300px,1fr)); gap:24px; }
.grid-4 { display:grid; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); gap:20px; }
.card { background:var(--white); border-radius:10px; padding:28px; box-shadow:var(--shadow); border:1px solid var(--border); }
.card h3 { font-size:1.2rem; margin-bottom:10px; }
.card p { color:#555; font-size:0.95rem; }
.price-tag { color:var(--accent); font-weight:700; font-size:1.1rem; }
.badge { display:inline-block; background:var(--accent); color:var(--white); padding:3px 10px; border-radius:4px; font-size:0.75rem; font-weight:600; text-transform:uppercase; margin-bottom:8px; }
.badge-outline { display:inline-block; border:1px solid var(--accent); color:var(--accent); padding:3px 10px; border-radius:4px; font-size:0.75rem; font-weight:600; text-transform:uppercase; margin-bottom:8px; }
.model-card { background:var(--white); border-radius:10px; overflow:hidden; box-shadow:var(--shadow); border:1px solid var(--border); transition:transform 0.2s; }
.model-card:hover { transform:translateY(-4px); }
.model-card .content { padding:20px; }
.model-card h3 { font-size:1.15rem; margin-bottom:8px; }
.model-card p { color:#555; font-size:0.9rem; margin-bottom:12px; }
.model-card a { font-weight:600; }
.product-table { width:100%; border-collapse:collapse; margin-top:20px; }
.product-table th, .product-table td { padding:14px 16px; text-align:left; border-bottom:1px solid var(--border); }
.product-table th { background:var(--light); font-weight:600; }
.product-table tr:hover { background:#fafafa; }
.faq-item { border-bottom:1px solid var(--border); padding:24px 0; }
.faq-item h3 { font-size:1.1rem; margin-bottom:8px; cursor:pointer; }
.faq-item p { color:#555; }
.related-links { background:var(--light); padding:20px; border-radius:8px; margin-top:30px; }
.related-links h4 { margin-bottom:10px; }
.related-links ul { list-style:none; }
.related-links li { margin-bottom:6px; }
.related-links a { font-weight:500; }
.breadcrumb { padding:16px 0; font-size:0.9rem; color:#666; background:var(--light); }
.breadcrumb a { color:var(--accent); }
footer { background:var(--primary); color:var(--white); padding:50px 0 20px; margin-top:60px; }
footer .grid-4 { margin-bottom:30px; }
footer h4 { font-size:1rem; margin-bottom:14px; color:var(--accent); }
footer ul { list-style:none; }
footer li { margin-bottom:8px; font-size:0.9rem; opacity:0.85; }
footer a { color:var(--white); opacity:0.85; }
footer a:hover { opacity:1; color:var(--accent); }
.copyright { text-align:center; padding-top:20px; border-top:1px solid rgba(255,255,255,0.1); font-size:0.85rem; opacity:0.7; }
.model-hero { background:var(--secondary); color:var(--white); padding:60px 0; }
.model-hero h1 { font-size:2.2rem; margin-bottom:12px; }
.model-hero p { opacity:0.9; max-width:700px; }
.topbar { background:#070f18; color:rgba(255,255,255,0.75); font-size:0.8rem; padding:8px 0; }
.topbar .container { display:flex; justify-content:center; align-items:center; gap:28px; flex-wrap:wrap; }
.topbar span { white-space:nowrap; font-size:0.8rem; }
.topbar span strong { color:var(--accent); font-weight:600; }
@media (max-width:768px) { .hero h1 { font-size:2rem; } nav ul { display:none; } .grid-3, .grid-4 { grid-template-columns:1fr; } .topbar .container { gap:10px 18px; } }

.tab-bar { display:flex; gap:20px; border-bottom:2px solid var(--border); margin-bottom:30px; }
.tab-bar a { padding:10px 0; font-weight:600; color:#666; border-bottom:2px solid transparent; }
.tab-bar a:hover, .tab-bar a.active { color:var(--accent); border-bottom-color:var(--accent); text-decoration:none; }