:root{--primary:#16a34a;--primary-hover:#15803d;--primary-light:#22c55e;--secondary:#f0fdf4;--accent:#f59e0b;--accent-hover:#d97706;--bg-white:#fff;--bg-surface:#f9fafb;--bg-dark:#111827;--text-main:#1f2937;--text-muted:#4b5563;--text-light:#9ca3af;--border:#e5e7eb;--font-sans:"Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--container-width:1200px;--header-height:80px;--section-padding:80px;--border-radius:8px;--border-radius-lg:12px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--bg-white);color:var(--text-main);font-family:var(--font-sans);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none;transition:color .2s ease}a:hover{color:var(--primary)}ol,ul{list-style:none}img{display:block;height:auto;max-width:100%}button{cursor:pointer;font-family:inherit}.container{margin:0 auto;max-width:var(--container-width);padding:0 20px}.text-primary{color:var(--primary)}.text-muted{color:var(--text-muted)}.text-light{color:var(--text-light)}.text-center{text-align:center}.text-sm{font-size:.875rem}.bg-surface{background-color:var(--bg-surface)}.bg-primary{background-color:var(--primary)}.bg-dark{background-color:var(--bg-dark)}.flex{display:flex}.flex-center{justify-content:center}.flex-between,.flex-center{align-items:center;display:flex}.flex-between{justify-content:space-between}.grid{display:grid;gap:24px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}.mt-8{margin-top:2rem}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.btn{border:2px solid transparent;border-radius:var(--border-radius);display:inline-block;font-size:1rem;font-weight:600;padding:12px 28px;text-align:center;transition:all .25s ease}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);box-shadow:0 4px 12px #16a34a40;color:#fff;transform:translateY(-2px)}.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}.btn-outline-white{background:transparent;border-color:#fff;color:#fff}.btn-outline-white:hover{background:#fff;color:var(--primary)}.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}.btn-lg{font-size:1.1rem;padding:16px 36px}.section{padding:var(--section-padding) 0}.section-title{color:var(--text-main);font-size:2.5rem;font-weight:700;margin-bottom:1rem;text-align:center}.section-subtitle{color:var(--text-muted);font-size:1.125rem;margin:0 auto 3rem;max-width:600px;text-align:center}.site-header{align-items:center;background:#fff;box-shadow:0 2px 10px #0000000d;display:flex;height:var(--header-height);position:sticky;top:0;z-index:1000}.site-header .container{justify-content:space-between;width:100%}.logo,.site-header .container{align-items:center;display:flex}.logo{color:var(--text-main);font-size:1.5rem;font-weight:800;gap:10px}.logo img{height:40px;width:auto}.logo:hover{color:var(--text-main)}.nav-links{align-items:center;display:flex;gap:32px}.nav-links a{color:var(--text-main);font-size:.95rem;font-weight:500;position:relative}.nav-links a:not(.btn):after{background:var(--primary);bottom:-4px;content:"";height:2px;left:0;position:absolute;transition:width .25s ease;width:0}.nav-links a:not(.btn).active:after,.nav-links a:not(.btn):hover:after{width:100%}.nav-links a.active{color:var(--primary)}.lang-switch{align-items:center;color:var(--text-muted);display:flex;font-size:.9rem;gap:4px}.mobile-menu-btn{background:none;border:none;display:none;flex-direction:column;gap:5px;padding:5px}.mobile-menu-btn span{background:var(--text-main);height:2px;transition:all .3s;width:24px}.site-footer{background:var(--bg-dark);color:#fff;padding:60px 0 0}.footer-grid{border-bottom:1px solid #374151;display:grid;gap:40px;grid-template-columns:2fr 1fr 1fr 1.5fr;padding-bottom:40px}.site-footer .logo{margin-bottom:1rem}.site-footer .logo span{color:var(--primary-light)}.site-footer p{color:#9ca3af;line-height:1.8}.site-footer h4{color:#fff;font-size:1rem;font-weight:600;letter-spacing:.05em;margin-bottom:1.25rem;text-transform:uppercase}.site-footer ul li{margin-bottom:.75rem}.site-footer ul a{color:#d1d5db;transition:color .2s}.site-footer ul a:hover{color:var(--primary-light)}.footer-contact p{align-items:center;display:flex;gap:10px;margin-bottom:.75rem}.social-links{display:flex;gap:12px;margin-top:1rem}.social-links a{align-items:center;background:#374151;border-radius:50%;color:#fff;display:flex;height:40px;justify-content:center;transition:all .25s;width:40px}.social-links a:hover{background:var(--primary);transform:translateY(-2px)}.copyright{color:#6b7280;font-size:.9rem;padding:20px 0;text-align:center}.hero{align-items:center;background:linear-gradient(135deg,#111827bf,#16a34a66);color:#fff;display:flex;min-height:700px;overflow:hidden;position:relative}.hero-bg{height:100%;left:0;-o-object-fit:cover;object-fit:cover;position:absolute;top:0;width:100%;z-index:-1}.hero-content{margin:0 auto;max-width:800px;text-align:center}.hero h1{animation:fadeInUp .8s ease;font-size:3.5rem;font-weight:800;line-height:1.1;margin-bottom:1.5rem}.hero p{animation:fadeInUp .8s ease .2s backwards;font-size:1.25rem;margin-bottom:2.5rem;opacity:.9}.hero-buttons{animation:fadeInUp .8s ease .4s backwards;display:flex;gap:1rem;justify-content:center}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.page-hero{background:linear-gradient(135deg,#1f2937,#374151);color:#fff;padding:80px 0;text-align:center}.page-hero h1{font-size:3rem;font-weight:700;margin-bottom:1rem}.page-hero p{font-size:1.125rem;margin:0 auto;max-width:600px;opacity:.8}.stats-bar{background:var(--primary);padding:24px 0}.stats-grid{color:#fff;display:grid;gap:24px;grid-template-columns:repeat(4,1fr);text-align:center}.stat-item h3{font-size:2.5rem;font-weight:800;margin-bottom:.25rem}.stat-item p{font-size:.95rem;opacity:.9}.feature-box{background:#fff;border-radius:var(--border-radius-lg);padding:2rem;text-align:center;transition:all .3s ease}.feature-box:hover{box-shadow:0 20px 40px 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.card-body{padding:1.5rem}.news-date{color:var(--text-muted);font-size:.875rem;margin-bottom:.5rem}.news-title{font-size:1.125rem;font-weight:600;line-height:1.4;margin-bottom:.75rem}.news-excerpt{color:var(--text-muted);font-size:.9rem;line-height:1.6}.page-layout{display:flex;gap:40px}.sidebar{flex-shrink:0;width:280px}.main-content{flex-grow:1}.filter-group{background:#fff;border-radius:var(--border-radius-lg);box-shadow:0 2px 8px #0000000d;margin-bottom:2rem;padding:1.5rem}.filter-title{border-bottom:2px solid var(--secondary);color:var(--text-main);font-size:1rem;font-weight:700;margin-bottom:1rem;padding-bottom:.75rem}.filter-list li{margin-bottom:.25rem}.filter-link{border-radius:6px;color:var(--text-muted);display:block;padding:10px 14px;transition:all .2s}.filter-link.active,.filter-link:hover{background-color:var(--secondary);color:var(--primary);font-weight:600}.product-detail{align-items:start;display:grid;gap:60px;grid-template-columns:1fr 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td:first-child,.spec-label{color:var(--text-muted);font-weight:500;width:140px}.product-spec-list td:last-child,.spec-value{flex:1;font-weight:600;text-align:left}.cert-badges{display:flex;flex-wrap:wrap;gap:8px;margin:1.5rem 0}.product-actions{display:flex;gap:1rem;margin-top:2rem}.timeline{margin:0 auto;max-width:800px;padding:40px 0;position:relative}.timeline:after{background:linear-gradient(180deg,var(--primary) 0,var(--primary-light) 100%);border-radius:2px;bottom:0;content:"";left:50%;margin-left:-2px;position:absolute;top:0;width:4px}.timeline-item{padding:10px 40px;position:relative;width:50%}.timeline-item:after{background-color:#fff;border:4px solid var(--primary);border-radius:50%;content:"";height:20px;position:absolute;top:15px;width:20px;z-index:1}.timeline-item.left{left:0}.timeline-item.left:after{right:-10px}.timeline-item.right{left:50%}.timeline-item.right:after{left:-10px}.timeline-content{background-color:#fff;border-radius:var(--border-radius);box-shadow:0 4px 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table{border:1px solid var(--border);border-collapse:collapse;font-size:14px;width:100%}.tab-content td,.tab-content th{border:1px solid #ddd;padding:6px 12px}.tab-content.active{display:block}.contact-info-section{display:grid;gap:30px;grid-template-columns:repeat(3,1fr)}.contact-info-box{background:#fff;border-radius:var(--border-radius-lg);box-shadow:0 4px 6px #0000000d;padding:2.5rem;text-align:center;transition:all .3s}.contact-info-box:hover{box-shadow:0 12px 24px #0000001a;transform:translateY(-4px)}.contact-info-box .icon{align-items:center;background:var(--secondary);border-radius:50%;display:flex;font-size:2rem;height:70px;justify-content:center;margin:0 auto 1.5rem;width:70px}.contact-info-box h3{margin-bottom:.75rem}.contact-info-box p{color:var(--text-muted)}.contact-info-box a{color:var(--primary);font-weight:600}.qc-process{display:grid;gap:30px;grid-template-columns:repeat(4,1fr);margin-top:3rem}.process-step{position:relative;text-align:center}.process-step:after{color:var(--primary);content:"→";font-size:1.5rem;position:absolute;right:-20px;top:40px}.process-step:last-child:after{display:none}.step-number{align-items:center;background:var(--primary);border-radius:50%;color:#fff;display:flex;font-size:1.5rem;font-weight:700;height:60px;justify-content:center;margin:0 auto 1rem;width:60px}.process-step h4{margin-bottom:.5rem}.process-step p{color:var(--text-muted);font-size:.9rem}.values-grid{display:grid;gap:30px;grid-template-columns:repeat(3,1fr)}.value-card{background:#fff;border-radius:var(--border-radius-lg);box-shadow:0 10px 30px #00000014;padding:2.5rem;text-align:center;transition:all .3s}.value-card:hover{box-shadow:0 20px 40px #0000001f;transform:translateY(-8px)}.value-icon{align-items:center;background:var(--secondary);border-radius:50%;display:flex;font-size:2.5rem;height:80px;justify-content:center;margin:0 auto 1.5rem;width:80px}.value-card h3{color:var(--text-main);margin-bottom:1rem}.value-card p{color:var(--text-muted);line-height:1.7}.news-list{display:flex;flex-direction:column;gap:30px}.news-list-item{background:#fff;border-radius:var(--border-radius-lg);box-shadow:0 4px 6px #0000000d;display:flex;gap:30px;overflow:hidden;transition:all .3s}.news-list-item:hover{box-shadow:0 12px 24px #0000001a;transform:translateY(-4px)}.news-list-item .news-img{flex-shrink:0;width:320px}.news-list-item .news-img img{height:220px;-o-object-fit:cover;object-fit:cover;width:100%}.news-list-item .news-content{display:flex;flex-direction:column;justify-content:center;padding:1.5rem}.news-category{background:var(--secondary);border-radius:20px;color:var(--primary);display:inline-block;font-size:.8rem;font-weight:600;margin-bottom:.75rem;padding:4px 12px}@media(max-width:1024px){.cert-grid,.footer-grid,.grid-4{grid-template-columns:repeat(2,1fr)}.about-summary,.product-detail{gap:40px}.qc-process{grid-template-columns:repeat(2,1fr)}.process-step:after{display:none}.contact-info-section,.values-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){:root{--section-padding:60px}.nav-links{display:none}.mobile-menu-btn{display:flex}.hero h1{font-size:2.5rem}.hero p{font-size:1.1rem}.hero-buttons{align-items:center;flex-direction:column}.section-title{font-size:2rem}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.page-layout{flex-direction:column}.sidebar{width:100%}.about-summary,.product-detail{grid-template-columns:1fr}.product-gallery{position:relative;top:0}.contact-grid,.footer-grid{grid-template-columns:1fr}.footer-grid{text-align:center}.social-links{justify-content:center}.timeline:after{left:20px}.timeline-item{padding-left:50px;padding-right:0;width:100%}.timeline-item.left,.timeline-item.right{left:0}.timeline-item:after{left:10px!important;right:auto}.cert-grid{grid-template-columns:repeat(2,1fr)}.contact-info-section,.qc-process,.values-grid{grid-template-columns:1fr}.news-list-item{flex-direction:column}.news-list-item .news-img{width:100%}}@media(max-width:480px){.hero{min-height:500px}.hero h1{font-size:2rem}.btn{padding:10px 20px}.product-thumbs img{height:60px;width:60px}.cert-grid,.stats-grid{grid-template-columns:1fr}}