*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary-dark: #0a1628;--primary-blue: #1e40af;--accent-blue: #3b82f6;--accent-gold: #f59e0b;--text-dark: #1f2937;--text-gray: #6b7280;--bg-light: #f9fafb;--white: #ffffff;--transition: all .3s ease}html{scroll-behavior:smooth;font-size:16px}body{font-family:Noto Sans SC,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text-dark);line-height:1.6;background-color:var(--white);-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none;transition:var(--transition)}ul,ol{list-style:none}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.section{padding:5rem 0}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:1rem;color:var(--primary-dark)}.section-subtitle{font-size:1.125rem;text-align:center;color:var(--text-gray);margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.875rem 2rem;border-radius:8px;font-weight:500;font-size:1rem;transition:var(--transition)}.btn-primary{background:linear-gradient(135deg,var(--primary-blue),var(--accent-blue));color:var(--white);box-shadow:0 4px 15px #3b82f64d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f666}.btn-outline{border:2px solid var(--primary-blue);color:var(--primary-blue);background:transparent}.btn-outline:hover{background:var(--primary-blue);color:var(--white)}.header{position:fixed;top:0;left:0;right:0;background:#fffffff2;backdrop-filter:blur(10px);z-index:1000;box-shadow:0 1px 3px #0000001a}.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}.logo{display:flex;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:700;color:var(--primary-dark)}.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary-blue),var(--accent-blue));border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}.nav{display:flex;align-items:center;gap:2.5rem}.nav-link{font-weight:500;color:var(--text-dark);position:relative}.nav-link:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent-blue);transition:var(--transition)}.nav-link:hover:after,.nav-link.active:after{width:100%}.nav-link:hover,.nav-link.active{color:var(--primary-blue)}.mobile-toggle{display:none;flex-direction:column;gap:5px;padding:5px}.mobile-toggle span{width:24px;height:2px;background:var(--text-dark)}.footer{background:var(--primary-dark);color:var(--white);padding:4rem 0 2rem}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}.footer-brand .logo{color:var(--white);margin-bottom:1rem}.footer-brand .logo-icon{background:var(--accent-blue)}.footer-brand p{color:#ffffffb3;font-size:.9375rem;line-height:1.8}.footer-title{font-size:1.125rem;font-weight:600;margin-bottom:1.25rem}.footer-links{display:flex;flex-direction:column;gap:.75rem}.footer-links a{color:#ffffffb3;font-size:.9375rem}.footer-links a:hover{color:var(--accent-blue)}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:2rem;text-align:center;color:#ffffff80;font-size:.875rem}.page-hero{padding:10rem 0 5rem;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary-blue) 100%);color:var(--white);text-align:center}.page-hero h1{font-size:3rem;font-weight:700;margin-bottom:1rem}.page-hero p{font-size:1.25rem;opacity:.9;max-width:600px;margin:0 auto}.product-card{background:var(--white);border-radius:16px;overflow:hidden;box-shadow:0 4px 20px #00000014;transition:var(--transition)}.product-card:hover{transform:translateY(-8px);box-shadow:0 12px 40px #0000001f}.product-card-image{height:240px;background:linear-gradient(135deg,#e5e7eb,#f3f4f6);display:flex;align-items:center;justify-content:center;color:var(--text-gray)}.product-card-content{padding:1.5rem}.product-card h3{font-size:1.25rem;font-weight:600;margin-bottom:.5rem;color:var(--primary-dark)}.product-card p{color:var(--text-gray);font-size:.9375rem;margin-bottom:1rem}.product-card .tag{display:inline-block;padding:.25rem .75rem;background:#3b82f61a;color:var(--primary-blue);border-radius:20px;font-size:.8125rem;font-weight:500}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.feature-card{text-align:center;padding:2rem;border-radius:16px;background:var(--bg-light);transition:var(--transition)}.feature-card:hover{background:var(--white);box-shadow:0 8px 30px #00000014}.feature-icon{width:64px;height:64px;margin:0 auto 1.5rem;background:linear-gradient(135deg,var(--primary-blue),var(--accent-blue));border-radius:16px;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1.75rem}.feature-card h3{font-size:1.25rem;font-weight:600;margin-bottom:.75rem;color:var(--primary-dark)}.feature-card p{color:var(--text-gray);font-size:.9375rem}.form-group{margin-bottom:1.5rem}.form-label{display:block;font-weight:500;margin-bottom:.5rem;color:var(--text-dark)}.form-input{width:100%;padding:.875rem 1rem;border:1px solid #e5e7eb;border-radius:8px;font-size:1rem;font-family:inherit;transition:var(--transition)}.form-input:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 3px #3b82f61a}textarea.form-input{min-height:150px;resize:vertical}@media(max-width:1024px){.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--white);flex-direction:column;padding:1.5rem;gap:1rem;box-shadow:0 4px 10px #0000001a}.nav.active,.mobile-toggle{display:flex}.section{padding:3rem 0}.section-title{font-size:2rem}.page-hero{padding:8rem 0 4rem}.page-hero h1{font-size:2.25rem}.footer-grid{grid-template-columns:1fr;gap:2rem}}