@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');
        html { scroll-behavior: smooth; font-family: 'Noto Sans SC', sans-serif; }
        .flink { transition: all 0.3s ease; border-bottom: 2px solid transparent; }
        .flink:hover { border-bottom-color: #3b82f6; color: #3b82f6; }
        .gradient-bg { background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%); }
        .product-card { transition: transform 0.3s ease, box-shadow 0.3s ease; }
        .product-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1); }
        .nav-link { position: relative; }
        .nav-link::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: #3b82f6; transition: width 0.3s ease; }
        .nav-link:hover::after { width: 100%; }
        @keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
        .animate-fadeInUp { animation: fadeInUp 0.8s ease-out forwards; }