:root{--primary-color:#036;--secondary-color:silver;--text-color:#333;--bg-color:#f4f4f4;--white:#fff;--max-width:1200px;--header-height:80px;--footer-bg:#1a1a1a;--accent-color:#0056b3}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text-color);background-color:var(--bg-color);font-family:PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}ul{list-style:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}section{padding:60px 0}.section-title{text-align:center;color:var(--primary-color);margin-bottom:40px;font-size:2rem;position:relative}.section-title:after{content:"";background-color:var(--primary-color);width:50px;height:3px;margin:10px auto;display:block}.header{height:var(--header-height);background-color:var(--white);z-index:1000;align-items:center;display:flex;position:sticky;top:0;box-shadow:0 2px 10px #0000001a}.header-container{justify-content:space-between;align-items:center;width:100%;display:flex}.logo h1{color:var(--primary-color);margin-bottom:2px;font-size:1.25rem;font-weight:700}.logo p{color:#666;letter-spacing:1px;font-size:.75rem}.nav-list{gap:30px;display:flex}.nav-list li a{color:var(--text-color);font-size:1rem;font-weight:500;transition:color .3s}.nav-list li a:hover{color:var(--primary-color)}.nav-external a{border-bottom:1px dashed var(--accent-color);color:var(--accent-color)!important}.menu-toggle{cursor:pointer;flex-direction:column;gap:5px;display:none}.menu-toggle span{background-color:var(--primary-color);width:25px;height:3px;transition:all .3s}@media (width<=992px){.nav{top:var(--header-height);width:250px;height:calc(100vh - var(--header-height));background-color:var(--white);padding-top:20px;transition:right .3s;position:fixed;right:-100%;box-shadow:-2px 0 10px #0000001a}.nav-open{right:0}.nav-list{flex-direction:column;gap:0}.nav-list li a{border-bottom:1px solid #eee;padding:15px 25px;display:block}.menu-toggle{display:flex}}.footer{background-color:var(--footer-bg);color:var(--white);padding:60px 0 20px}.footer-container{grid-template-columns:2fr 1fr;gap:40px;display:grid}.footer-info h3{color:var(--secondary-color);margin-bottom:20px;font-size:1.5rem}.footer-info p{color:#ccc;margin-bottom:10px;font-size:.95rem}.footer-links h4{margin-bottom:20px;font-size:1.1rem}.footer-links ul li{margin-bottom:10px}.footer-links ul li a{color:#999;transition:color .3s}.footer-links ul li a:hover{color:var(--white)}.footer-bottom{text-align:center;color:#777;border-top:1px solid #333;grid-column:1/-1;margin-top:40px;padding-top:20px;font-size:.85rem}@media (width<=768px){.footer-container{grid-template-columns:1fr}}.hero{background-color:var(--primary-color);height:500px;color:var(--white);text-align:center;background-image:linear-gradient(#036c,#036c),url(/assets/hero-5sT3BiRD.png);background-position:50%;background-size:cover;align-items:center;display:flex}.hero-container{flex-direction:column;align-items:center;display:flex}.hero-content h2{letter-spacing:2px;margin-bottom:20px;font-size:3rem}.hero-content p{opacity:.9;margin-bottom:40px;font-size:1.25rem}.hero-badges{justify-content:center;gap:20px;display:flex}.hero-badges span{background-color:#fff3;border:1px solid #ffffff4d;border-radius:50px;padding:8px 20px;font-size:.9rem}.about-grid{grid-template-columns:1fr;gap:40px;max-width:800px;margin:0 auto;display:grid}.about-text p{color:#555;text-align:justify;margin-bottom:20px;font-size:1.1rem}.values{flex-wrap:wrap;justify-content:center;gap:15px;margin-top:30px;display:flex}.value-item{background-color:var(--white);border-left:4px solid var(--primary-color);border-radius:4px;padding:10px 20px;box-shadow:0 2px 5px #0000000d}.product-intro{text-align:center;color:#666;margin-bottom:40px}.product-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;display:grid}.product-card{background-color:var(--white);border-top:4px solid var(--secondary-color);border-radius:8px;padding:40px 30px;transition:transform .3s;box-shadow:0 4px 15px #0000000d}.product-card:hover{border-top-color:var(--primary-color);transform:translateY(-5px)}.product-card h3{color:var(--primary-color);margin-bottom:15px}.product-card p{color:#666;font-size:.95rem}.contact{background-color:#eee}.contact-container{max-width:800px;margin:0 auto}.contact-info-list{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;display:grid}.contact-item{background:var(--white);border-radius:8px;align-items:flex-start;gap:20px;padding:25px;display:flex}.contact-icon{font-size:1.5rem}.contact-item h4{color:var(--primary-color);margin-bottom:5px}.contact-item p{color:#555;font-size:.95rem}@media (width<=768px){.hero-content h2{font-size:2rem}.hero-content p{font-size:1rem}.hero-badges{flex-direction:column;gap:10px}}.app{flex-direction:column;min-height:100vh;display:flex}main{flex:1}