* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Segoe UI', Arial, sans-serif; color: #1a1a2e; line-height: 1.6; }
        a { text-decoration: none; color: inherit; }
        .back-bar { background: #f5f8fc; border-bottom: 1px solid #e0eaf5; padding: 12px 30px; }
        .back-inner { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
        .back-link { color: #00d4ff; font-weight: 600; font-size: 0.9em; display: flex; align-items: center; gap: 4px; }
        .back-link:hover { color: #0a1628; }
        .breadcrumb { color: #888; font-size: 0.88em; }
        .breadcrumb a { color: #00d4ff; }
        header { background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 100%); color: #fff; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 20px rgba(0,0,0,0.4); }
        .header-inner { max-width: 1200px; margin: 0 auto; padding: 0 30px; display: flex; justify-content: space-between; align-items: center; height: 68px; }
        .logo-section { display: flex; align-items: center; gap: 12px; }
        .logo-icon { font-size: 1.6em; }
        .logo-text h1 { font-size: 1.2em; font-weight: 800; color: #00d4ff; }
        .logo-text span { font-size: 0.7em; color: #8fa8c0; }
        nav ul { list-style: none; display: flex; gap: 24px; }
        nav a { color: #c8d6e5; font-size: 0.9em; font-weight: 500; transition: color 0.3s; }
        nav a:hover, nav a.active { color: #00d4ff; }
        .hero { background: linear-gradient(160deg, #0a1628 0%, #0f2a45 50%, #1a3a5c 100%); color: #fff; padding: 70px 30px; position: relative; overflow: hidden; }
        .hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 80% 50%, rgba(0,212,255,0.08) 0%, transparent 60%); }
        .hero-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; position: relative; }
        .hero-badge { display: inline-block; background: rgba(0,212,255,0.15); border: 1px solid rgba(0,212,255,0.4); color: #00d4ff; padding: 5px 14px; border-radius: 20px; font-size: 0.82em; font-weight: 600; margin-bottom: 15px; }
        .hero h1 { font-size: 2.4em; margin-bottom: 15px; color: #fff; }
        .hero h1 em { color: #00d4ff; font-style: normal; }
        .hero p { color: #a8c4d8; font-size: 1.05em; max-width: 600px; line-height: 1.7; }
        .hero-icon { font-size: 6em; background: radial-gradient(circle, rgba(0,212,255,0.15) 0%, transparent 70%); border-radius: 50%; width: 300px; height: 300px; display: flex; align-items: center; justify-content: center; }
        .section { padding: 70px 30px; max-width: 1200px; margin: 0 auto; }
        .section-title { font-size: 1.8em; color: #0a1628; margin-bottom: 8px; }
        .section-sub { color: #666; margin-bottom: 35px; font-size: 1em; }
        .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
        .desc-text p { color: #555; margin-bottom: 15px; font-size: 1em; line-height: 1.75; }
        .specs-table { background: #f5f8fc; border-radius: 12px; padding: 25px 30px; border: 1px solid #e0eaf5; }
        .specs-table h3 { color: #0a1628; font-size: 1.1em; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid #00d4ff; }
        .spec-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid #e8eef5; }
        .spec-row:last-child { border-bottom: none; }
        .spec-label { color: #666; font-size: 0.92em; }
        .spec-value { color: #0a1628; font-weight: 600; font-size: 0.92em; }
        .products-bg { background: #f5f8fc; padding: 70px 30px; }
        .products-inner { max-width: 1200px; margin: 0 auto; }
        .products-inner > h2 { font-size: 1.8em; color: #0a1628; margin-bottom: 8px; }
        .products-inner > p { color: #666; margin-bottom: 35px; }
        .placeholder-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
        .img-placeholder { background: #e8eef5; border-radius: 10px; height: 200px; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #aaa; font-size: 0.88em; border: 2px dashed #ccd; gap: 8px; }
        .img-placeholder .icon { font-size: 2.5em; }
        .contact-bar { background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 100%); color: #fff; padding: 60px 30px; }
        .contact-inner { max-width: 900px; margin: 0 auto; text-align: center; }
        .contact-inner h2 { font-size: 2em; margin-bottom: 15px; }
        .contact-inner p { color: #a8c4d8; margin-bottom: 30px; font-size: 1.05em; }
        .contact-btns { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }
        .btn-primary { background: #00d4ff; color: #0a1628; padding: 13px 28px; font-weight: 700; border-radius: 6px; transition: all 0.3s; display: inline-block; }
        .btn-primary:hover { background: #fff; transform: translateY(-2px); }
        .btn-outline { border: 2px solid #00d4ff; color: #00d4ff; padding: 11px 24px; font-weight: 600; border-radius: 6px; transition: all 0.3s; display: inline-block; }
        .btn-outline:hover { background: rgba(0,212,255,0.1); }
        .other-products { padding: 60px 30px; max-width: 1200px; margin: 0 auto; }
        .other-products h3 { font-size: 1.4em; color: #0a1628; margin-bottom: 25px; }
        .other-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 15px; }
        .other-link { background: #fff; border: 1px solid #e0eaf5; border-radius: 10px; padding: 20px 12px; text-align: center; transition: all 0.3s; }
        .other-link:hover { border-color: #00d4ff; transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.08); }
        .other-link .icon { font-size: 2em; margin-bottom: 8px; }
        .other-link .name { font-size: 0.82em; color: #333; font-weight: 600; }
        footer { background: #060d18; color: #556677; padding: 30px; text-align: center; font-size: 0.88em; }
        footer a { color: #00d4ff; text-decoration: none; }
        @media (max-width: 1024px) { .two-col { grid-template-columns: 1fr; } .hero-inner { grid-template-columns: 1fr; } .hero-icon { display: none; } .other-grid { grid-template-columns: repeat(3, 1fr); } }
        @media (max-width: 768px) { .placeholder-grid { grid-template-columns: 1fr 1fr; } .other-grid { grid-template-columns: repeat(2, 1fr); } .header-inner { flex-direction: column; height: auto; padding: 10px 20px; gap: 8px; } }