:root{--taiyu-blue: #0a2540;--taiyu-blue-light: #1a4a6e;--taiyu-blue-dark: #06182a;--taiyu-gold: #c9a03c;--taiyu-gold-light: #e2b84c;--taiyu-gold-dark: #a8862e;--white: #ffffff;--off-white: #f7f9fc;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-serif: Georgia, "Times New Roman", "Noto Serif SC", serif;--container: 1200px;--section-gap: 6rem;--section-gap-mobile: 3.5rem;--transition: all .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: all .6s cubic-bezier(.4, 0, .2, 1);--shadow-sm: 0 1px 2px rgba(10, 37, 64, .06);--shadow-md: 0 4px 12px rgba(10, 37, 64, .08);--shadow-lg: 0 12px 40px rgba(10, 37, 64, .12);--shadow-xl: 0 24px 60px rgba(10, 37, 64, .15);--radius-sm: 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.container{display:flex;align-items:center;justify-content:space-between}.navbar-brand{display:flex;align-items:center;gap:.75rem;font-size:1.35rem;font-weight:700;color:var(--white);letter-spacing:-.02em}.navbar.scrolled .navbar-brand{color:var(--taiyu-blue)}.navbar-brand-logo{width:40px;height:40px;border-radius:8px;background:var(--taiyu-gold);display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800;color:var(--white)}.navbar-links{display:flex;align-items:center;gap:2rem}.navbar-links a{font-size:.9rem;font-weight:500;color:#ffffffd9;letter-spacing:.03em;position:relative;padding:.25rem 0}.navbar.scrolled .navbar-links a{color:var(--gray-600)}.navbar-links a:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--taiyu-gold);transition:var(--transition)}.navbar-links a:hover:after,.navbar-links a.active:after{width:100%}.navbar-links a:hover,.navbar.scrolled .navbar-links a:hover{color:var(--taiyu-gold)}.navbar-cta{display:inline-flex;align-items:center;padding:.55rem 1.5rem;background:var(--taiyu-gold);color:var(--white)!important;border-radius:50px;font-weight:600;font-size:.85rem;letter-spacing:.02em;transition:var(--transition)}.navbar-cta:hover{background:var(--taiyu-gold-dark);transform:translateY(-1px);box-shadow:0 4px 15px #c9a03c4d}.navbar-cta:after{display:none!important}.mobile-menu-btn{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}.mobile-menu-btn span{display:block;width:24px;height:2px;background:var(--white);border-radius:2px;transition:var(--transition)}.navbar.scrolled .mobile-menu-btn span{background:var(--taiyu-blue)}.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}.hero-bg{position:absolute;inset:0;z-index:0}.hero-bg 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p{font-size:.88rem;line-height:1.8;color:#fff9;max-width:320px}.footer h4{font-size:.9rem;font-weight:700;color:var(--white);margin-bottom:1.2rem;text-transform:uppercase;letter-spacing:.05em}.footer-links a{display:block;font-size:.88rem;color:#fff9;padding:.3rem 0;transition:var(--transition)}.footer-links a:hover{color:var(--taiyu-gold);padding-left:4px}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem}.footer-bottom p{font-size:.82rem;color:#fff6}.fade-in{opacity:0;transform:translateY(30px);transition:opacity .7s ease-out,transform .7s ease-out}.fade-in.visible{opacity:1;transform:translateY(0)}.fade-in-left{opacity:0;transform:translate(-30px);transition:opacity .7s ease-out,transform .7s ease-out}.fade-in-left.visible{opacity:1;transform:translate(0)}.fade-in-right{opacity:0;transform:translate(30px);transition:opacity .7s ease-out,transform .7s ease-out}.fade-in-right.visible{opacity:1;transform:translate(0)}.stagger-item{opacity:0;transform:translateY(20px)}@media(max-width:1024px){.products-grid{grid-template-columns:repeat(2,1fr)}.product-card-wide{grid-column:span 2}.why-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:768px){.section{padding:var(--section-gap-mobile) 0}.section-header{margin-bottom:2.5rem}.navbar-links,.navbar-cta{display:none}.mobile-menu-btn{display:flex}.about-grid{grid-template-columns:1fr;gap:2.5rem}.about-image-accent{display:none}.products-grid{grid-template-columns:1fr}.product-card-wide{grid-column:span 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