:root{--primary:#1A56DB;--primary-light:#3B82F6;--primary-dark:#1E3A5F;--accent:#0EA5E9;--bg:#FFFFFF;--bg-alt:#F8FAFC;--bg-card:#FFFFFF;--border:#E5E7EB;--text-primary:#111827;--text-secondary:#6B7280;--text-muted:#9CA3AF;--manufacture:#1A56DB;--trading:#059669;--gradient-blue:linear-gradient(135deg, #1A56DB, #3B82F6);--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 6px rgba(0,0,0,0.07);--shadow-lg:0 10px 25px rgba(0,0,0,0.1);--radius:8px;--max-width:1200px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:inter,-apple-system,BlinkMacSystemFont,segoe ui,sans-serif;background:var(--bg);color:var(--text-primary);line-height:1.7;font-size:16px}.topbar{background:var(--primary-dark);color:rgba(255,255,255,.85);font-size:.8rem;padding:6px 0}.topbar-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center}.topbar a{color:rgba(255,255,255,.85);text-decoration:none}.nav{position:sticky;top:0;width:100%;z-index:1000;background:rgba(255,255,255,.98);border-bottom:1px solid var(--border)}.nav-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary);font-weight:700;font-size:1.2rem}.nav-logo .logo-icon{width:36px;height:36px;background:var(--gradient-blue);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;font-weight:800}.logo-img{width:36px;height:36px;border-radius:8px;object-fit:cover}.nav-logo .logo-text{font-weight:700;font-size:1.2rem}.nav-links{display:flex;gap:4px;list-style:none;align-items:center}.nav-links a{text-decoration:none;color:var(--text-secondary);font-size:.85rem;font-weight:500;padding:8px 14px;border-radius:6px;transition:all .2s ease}.nav-links a:hover,.nav-links a.active{color:var(--primary);background:rgba(26,86,219,6%)}.nav-cta{background:var(--gradient-blue)!important;color:#fff!important;padding:8px 18px!important;font-weight:600!important}.nav-cta:hover{opacity:.9!important}.mobile-menu-btn{display:none;background:0 0;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-primary)}.nav-dropdown{position:relative}.dropdown-trigger{cursor:pointer}.dropdown-menu{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.12);min-width:160px;padding:4px;z-index:1001}.dropdown-menu a{display:flex;align-items:center;gap:6px;padding:6px 12px;color:var(--text-secondary);font-size:.82rem;white-space:nowrap;border-radius:6px}.dropdown-menu a:hover{background:rgba(26,86,219,6%);color:var(--primary)}.nav-dropdown:hover .dropdown-menu,.nav-dropdown:focus-within .dropdown-menu{display:block}.breadcrumb{background:#f9fafb;border-bottom:1px solid var(--border);padding:10px 0;font-size:.8rem}.breadcrumb a{color:var(--text-muted);text-decoration:none}.breadcrumb a:hover{color:var(--primary)}.bc-sep{color:#d1d5db;margin:0 8px}.bc-current{color:var(--text-secondary);font-weight:500}.related-section{background:var(--bg-alt);border-top:1px solid var(--border)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.related-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-decoration:none;color:inherit;transition:all .2s ease}.related-card:hover{border-color:var(--primary)}.related-card h4{font-size:.9rem;margin-bottom:4px}.related-card p{font-size:.8rem;color:var(--text-muted)}.hero{background:linear-gradient(135deg,#F8FAFC 0%,#EFF6FF 50%,#F8FAFC 100%);padding:80px 24px 60px;border-bottom:1px solid var(--border)}.hero-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.2;margin-bottom:16px;color:var(--text-primary)}.hero h1 .highlight{color:var(--primary)}.hero p{font-size:1.05rem;color:var(--text-secondary);line-height:1.7;margin-bottom:28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn-primary{display:inline-flex;align-items:center;gap:6px;background:var(--gradient-blue);color:#fff;padding:10px 24px;border-radius:6px;text-decoration:none;font-weight:600;font-size:.9rem;transition:all .2s ease;border:none;cursor:pointer}.btn-primary:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-secondary{display:inline-flex;align-items:center;gap:6px;background:var(--bg);color:var(--text-primary);padding:10px 24px;border-radius:6px;text-decoration:none;font-weight:600;font-size:.9rem;border:1px solid var(--border);transition:all .2s ease}.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:32px}.stat-item{padding:16px;background:var(--bg);border-radius:var(--radius);border:1px solid var(--border)}.stat-number{font-size:1.5rem;font-weight:800;color:var(--primary)}.stat-label{font-size:.8rem;color:var(--text-muted);margin-top:2px}.hero-visual{background:linear-gradient(135deg,#DBEAFE,#EFF6FF);border-radius:12px;min-height:350px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:1rem;border:1px solid var(--border)}.section{padding:64px 24px}.section-inner{max-width:var(--max-width);margin:0 auto}.section-header{margin-bottom:40px}.section-tag{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;padding:4px 10px;border-radius:4px;margin-bottom:12px}.tag-manufacture{color:var(--primary);background:rgba(26,86,219,8%)}.tag-trading{color:var(--trading);background:rgba(5,150,105,8%)}.section-title{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;margin-bottom:12px;color:var(--text-primary)}.section-subtitle{color:var(--text-secondary);font-size:1rem;max-width:650px;line-height:1.7}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;transition:all .2s ease}.product-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md)}.product-badge{display:inline-block;background:rgba(26,86,219,8%);color:var(--primary);font-size:.7rem;font-weight:600;padding:3px 8px;border-radius:4px;margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}.product-icon{font-size:2rem;margin-bottom:12px}.product-card h3{font-size:1.1rem;font-weight:700;margin-bottom:4px}.product-temp{font-size:.8rem;color:var(--primary-light);margin-bottom:10px;font-weight:500}.product-card p{color:var(--text-secondary);font-size:.85rem;margin-bottom:16px;line-height:1.6}.product-specs{list-style:none;margin-bottom:16px}.product-specs li{color:var(--text-muted);font-size:.8rem;padding:3px 0;display:flex;align-items:center;gap:6px}.product-specs li::before{content:'›';color:var(--primary-light);font-weight:700}.product-link{color:var(--primary);text-decoration:none;font-weight:600;font-size:.85rem;display:inline-flex;align-items:center;gap:4px}.product-link:hover{gap:8px}.trading-section{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.trading-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.trading-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .2s ease}.trading-card:hover{border-color:var(--trading);box-shadow:var(--shadow-sm)}.trading-card-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}.trading-card .emoji{font-size:1.3rem}.trading-card h4{font-size:.95rem;font-weight:600}.trading-card p{color:var(--text-muted);font-size:.8rem;margin-bottom:8px}.trading-card ul{list-style:none}.trading-card li{color:var(--text-muted);font-size:.8rem;padding:2px 0;padding-left:14px;position:relative}.trading-card li::before{content:'•';position:absolute;left:0;color:var(--trading)}.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.feature-card{padding:24px 16px}.feature-icon{width:44px;height:44px;background:rgba(26,86,219,8%);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin-bottom:12px}.feature-card h4{font-size:.95rem;font-weight:600;margin-bottom:6px}.feature-card p{color:var(--text-secondary);font-size:.85rem;line-height:1.6}.tech-preview{background:var(--bg-alt);border-top:1px solid var(--border)}.tech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.tech-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all .2s ease}.tech-card:hover{border-color:var(--primary)}.tech-card h3{font-size:1rem;margin-bottom:8px}.tech-card p{color:var(--text-secondary);font-size:.85rem;line-height:1.6;margin-bottom:12px}.cta-section{background:var(--primary-dark);text-align:center;padding:60px 24px}.cta-section h2{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:12px;color:#fff}.cta-section p{color:rgba(255,255,255,.7);max-width:500px;margin:0 auto 24px}.cta-section .btn-primary{background:#fff;color:var(--primary-dark)}.cta-section .btn-primary:hover{background:#f0f0ff}.footer{background:#111827;padding:48px 24px 32px;border-top:1px solid #1f2937}.footer-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}.footer-brand .nav-logo span{color:#fff}.footer-brand p{color:#9ca3af;font-size:.85rem;margin:12px 0;line-height:1.7;max-width:280px}.footer-social{display:flex;flex-wrap:wrap;gap:6px}.footer-social a{color:#9ca3af;text-decoration:none;font-size:.75rem;padding:4px 10px;border:1px solid #1f2937;border-radius:6px;transition:all .2s ease;display:inline-flex;align-items:center;gap:4px}.footer-social a:hover{color:#fff;border-color:var(--primary-light);background:rgba(59,130,246,.1)}.footer-col h4{font-size:.85rem;font-weight:600;margin-bottom:12px;color:#e5e7eb}.footer-col ul{list-style:none}.footer-col li{margin-bottom:6px}.footer-col a{color:#9ca3af;text-decoration:none;font-size:.8rem}.footer-col a:hover{color:#fff}.footer-bottom{max-width:var(--max-width);margin:32px auto 0;padding-top:20px;border-top:1px solid #1f2937;display:flex;justify-content:space-between;font-size:.75rem;color:#6b7280}.footer-bottom .section-inner{display:flex;justify-content:space-between;width:100%}.footer-social-row{border-top:1px solid #1f2937;border-bottom:1px solid #1f2937;padding:28px 24px;background:#0f172a}.footer-social-row .section-inner{max-width:var(--max-width);margin:0 auto;display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}.footer-social-group{flex:1;min-width:280px}.footer-social-label{display:block;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:#6b7280;margin-bottom:10px}.footer-contact-line{width:100%;text-align:center;padding-top:16px;font-size:.8rem;color:#6b7280;border-top:1px solid #1f2937}.fade-in{opacity:0;transform:translateY(15px);transition:all .5s ease}.fade-in.visible{opacity:1;transform:translateY(0)}@media(max-width:1024px){.product-grid{grid-template-columns:repeat(2,1fr)}.features-grid{grid-template-columns:repeat(2,1fr)}.trading-grid{grid-template-columns:repeat(2,1fr)}.hero-inner{grid-template-columns:1fr;gap:40px}.hero-visual{min-height:200px}}@media(max-width:768px){.nav-links{display:none}.mobile-menu-btn{display:block}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:#fff;padding:16px;border-bottom:1px solid var(--border);gap:4px;box-shadow:var(--shadow-md)}.product-grid,.trading-grid,.features-grid{grid-template-columns:1fr}.tech-grid{grid-template-columns:1fr}.hero-stats{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr;gap:24px}.hero{padding:60px 24px 40px}.dropdown-menu{position:static;transform:none;box-shadow:none;border:none;padding-left:16px;min-width:auto}.nav-dropdown:hover .dropdown-menu{display:none}.nav-dropdown.open .dropdown-menu{display:block}}