:root{--primary:#006aa7;--primary-dark:#004d7a;--primary-light:#e6f2fa;--secondary:#28a745;--text:#1a2a3a;--text-light:#5a6a7a;--background:#f8fafc;--card-bg:#ffffff;--border:#dce4ec;--shadow:0 4px 12px rgba(0,0,0,0.06);--radius:8px;--container-max:1200px;--font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);font-size:16px;line-height:1.6;color:var(--text);background:var(--background);min-height:100vh;display:flex;flex-direction:column}a{color:var(--primary);text-decoration:none;transition:color 0.2s}a:hover{color:var(--primary-dark);text-decoration:underline}img{max-width:100%;height:auto;display:block}ul,ol{list-style:none}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 20px}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--text);margin-bottom:.5rem}h1{font-size:2.2rem}h2{font-size:1.8rem}h3{font-size:1.4rem}h4{font-size:1.1rem}p{margin-bottom:1rem;color:var(--text-light)}.btn{display:inline-block;padding:10px 24px;font-size:1rem;font-weight:500;text-align:center;border:2px solid transparent;border-radius:var(--radius);cursor:pointer;transition:all 0.25s ease;background:transparent;color:var(--text);text-decoration:none;line-height:1.4}.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.08)}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff}.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}.btn-small{padding:6px 16px;font-size:.875rem}.btn-full{display:block;width:100%}.btn-loading{opacity:.7;pointer-events:none}.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;border:1px solid var(--border);transition:box-shadow 0.2s}.card:hover{box-shadow:0 8px 24px rgba(0,0,0,.08)}.card-header{padding-bottom:12px;border-bottom:1px solid var(--border);margin-bottom:16px}.card-header h2,.card-header h3{margin:0}.form-group{margin-bottom:16px}.form-label{display:block;font-weight:500;margin-bottom:4px;font-size:.95rem;color:var(--text)}.form-control{width:100%;padding:10px 14px;font-size:1rem;border:1px solid var(--border);border-radius:var(--radius);background:#fff;transition:border-color 0.2s}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,106,167,.15)}textarea.form-control{resize:vertical;min-height:80px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.layout-sidebar{display:flex;flex-wrap:wrap;gap:32px;margin:32px 0}.layout-sidebar .sidebar{flex:0 0 260px;order:-1}.layout-sidebar .content{flex:1;min-width:0;width:100%}.site-header{background:#fff;border-bottom:1px solid var(--border);padding:12px 0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 8px rgba(0,0,0,.04)}.header-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}.brand:hover{text-decoration:none}.brand img{height:45px;width:auto}.brand-text{font-size:1.3rem;font-weight:700;letter-spacing:-.5px}.brand-text span{display:block;font-size:.7rem;font-weight:400;color:var(--text-light)}.main-nav ul{display:flex;gap:8px;align-items:center}.main-nav a{padding:6px 14px;border-radius:var(--radius);font-weight:500;color:var(--text);transition:background 0.2s,color 0.2s}.main-nav a:hover,.main-nav a.active{background:var(--primary-light);color:var(--primary);text-decoration:none}.mobile-toggle{display:none;background:none;border:none;font-size:1.8rem;cursor:pointer;color:var(--text);padding:0 8px}.hero{background:linear-gradient(135deg,var(--primary-light) 0%,#c5dff0 100%);padding:60px 0 50px;text-align:center;border-bottom:1px solid var(--border)}.hero h1{font-size:2.8rem;margin-bottom:.5rem;color:var(--primary-dark)}.hero p{font-size:1.2rem;max-width:700px;margin:0 auto 1.5rem;color:var(--text)}.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.stats-section{padding:16px 0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px;margin:0}.stat-item{text-align:center;background:var(--card-bg);padding:20px 12px;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border)}.stat-number{font-size:2.4rem;font-weight:700;color:var(--primary);display:block}.stat-label{font-size:.9rem;color:var(--text-light);margin-top:4px}.featured-section{padding:40px 0}.news-section{padding:40px 0}.section-title{text-align:center;margin-bottom:32px;font-size:2rem;color:var(--text)}.section-title::after{content:'';display:block;width:60px;height:3px;background:var(--primary);margin:8px auto 0;border-radius:2px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px;width:100%;max-width:100%;box-sizing:border-box}.product-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:18px;text-align:center;transition:transform 0.2s,box-shadow 0.2s}.product-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.08)}.product-icon{font-size:3rem;margin-bottom:8px;line-height:1.2}.product-card h3{font-size:1.1rem;margin-bottom:4px}.product-category{font-size:.85rem;color:var(--text-light);text-transform:uppercase;letter-spacing:.5px}.product-code{font-family:monospace;font-size:.85rem;background:var(--background);padding:2px 10px;border-radius:12px;display:inline-block;margin:6px 0 12px}.product-meta{display:flex;justify-content:center;gap:12px;font-size:.9rem;color:var(--text-light);margin:8px 0}.news-item{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;transition:box-shadow 0.2s}.news-item:hover{box-shadow:0 8px 24px rgba(0,0,0,.06)}.news-item:last-child{margin-bottom:0}.news-item time{font-size:.85rem;color:var(--text-light);display:block;margin-bottom:4px}.news-item h3{margin-bottom:6px}.news-item h3 a{color:var(--text);transition:color 0.2s}.news-item h3 a:hover{color:var(--primary);text-decoration:underline}.news-item p{margin-bottom:12px}.no-items{text-align:center;color:var(--text-light);padding:40px 0;font-size:1.1rem}.sidebar .filter-box{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:20px}.sidebar .filter-box h3{margin-bottom:12px}.sidebar .filter-box ul li{margin-bottom:6px}.sidebar .filter-box ul a{display:block;padding:4px 8px;border-radius:4px;color:var(--text)}.sidebar .filter-box ul a:hover,.sidebar .filter-box ul a.active{background:var(--primary-light);color:var(--primary);text-decoration:none}.sidebar .filter-box input[type="text"]{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius)}.sidebar .filter-box button{margin-top:8px;padding:8px 20px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);cursor:pointer}.pagination{display:flex;justify-content:center;gap:6px;margin:32px 0}.pagination a,.pagination span{display:inline-block;padding:6px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--card-bg);color:var(--text);transition:0.15s}.pagination a:hover,.pagination a.active{background:var(--primary);color:#fff;border-color:var(--primary);text-decoration:none}.pagination a.active{pointer-events:none}.product-detail-layout{display:grid;grid-template-columns:2fr 1fr;gap:32px;margin:32px 0}.product-specs table{width:100%;border-collapse:collapse;margin:16px 0}.product-specs td{padding:8px 12px;border-bottom:1px solid var(--border)}.product-specs td:first-child{font-weight:600;width:40%}.product-description{margin:24px 0;line-height:1.8}.inquiry-form{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.inquiry-form input,.inquiry-form textarea{width:100%;margin-bottom:12px;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem}.inquiry-form button{width:100%}.site-footer{background:#1a2a3a;color:#c8d4e0;padding:40px 0 20px;margin-top:auto}.site-footer a{color:#a0b8cc}.site-footer a:hover{color:#fff;text-decoration:none}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px}.footer-col h3,.footer-col h4{color:#fff;margin-bottom:12px}.footer-col ul li{margin-bottom:6px}.footer-col p{color:#a0b8cc}.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px}.alert.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.alert.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}@media (max-width:992px){.layout-sidebar{grid-template-columns:1fr}.product-detail-layout{grid-template-columns:1fr}}@media (max-width:768px){.header-inner{flex-wrap:wrap}.main-nav{display:none;width:100%;padding:12px 0;border-top:1px solid var(--border)}.main-nav.active{display:block}.main-nav ul{flex-direction:column;gap:4px;align-items:stretch}.main-nav a{display:block;padding:10px 14px}.mobile-toggle{display:block}.hero{padding:40px 0 30px}.hero h1{font-size:2rem}.hero p{font-size:1rem}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:1fr 1fr}.section-title{font-size:1.6rem;margin-bottom:24px}.featured-section{padding:30px 0}.news-section{padding:30px 0}}@media (max-width:480px){.product-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr}.hero h1{font-size:1.6rem}.hero p{font-size:.95rem}.container{padding:0 12px}.hero-actions{flex-direction:column;align-items:center}.hero-actions .btn{width:100%;max-width:280px}.section-title{font-size:1.4rem}}