.core-features{background:var(--white);padding:80px 0}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;margin-top:40px}.feature-card{background:var(--white);padding:40px 30px;border-radius:var(--border-radius);box-shadow:var(--box-shadow);text-align:center;transition:var(--transition);border:1px solid transparent}.feature-card:hover{transform:translateY(-10px);border-color:var(--primary-blue);box-shadow:0 15px 30px rgba(0,0,0,.15)}.feature-icon{width:80px;height:80px;background:var(--light-blue);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 25px}.feature-icon i{font-size:36px;color:var(--primary-blue)}.feature-card h3{font-size:1.4rem;color:var(--dark-blue);margin-bottom:15px}.feature-card p{color:#666;line-height:1.6}.product-categories{background:var(--light-gray);padding:80px 0}.categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;margin-top:40px}.category-card{background:var(--white);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);transition:var(--transition);text-decoration:none;color:inherit;display:block}.category-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px rgba(0,0,0,.15)}.category-image{height:200px;overflow:hidden}.category-image img{height:100%;display:flex;margin:auto;object-fit:cover;transition:var(--transition)}.category-card:hover .category-image img{transform:scale(1.05)}.category-content{padding:25px}.category-content h3{font-size:1.3rem;color:var(--dark-blue);margin-bottom:10px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;text-overflow:ellipsis}.category-content p{color:#666;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;text-overflow:ellipsis;line-height:1.6;margin-bottom:15px}.category-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}.keyword-tag{background:var(--light-blue);color:var(--primary-blue);padding:4px 12px;border-radius:15px;font-size:.85rem;font-weight:500}.hot-products{padding:80px 0;background:var(--white)}.products-slider-container{position:relative;margin-top:40px}.products-slider{display:flex;gap:30px;overflow-x:auto;scroll-behavior:smooth;padding:20px 0;scrollbar-width:none;-ms-overflow-style:none}.products-slider::-webkit-scrollbar{display:none}.product-slide{flex:0 0 auto;width:300px;background:var(--white);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);transition:var(--transition)}.product-slide:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,.15)}.product-image{height:200px;overflow:hidden}.product-image img{display:flex;margin:auto;height:100%;object-fit:cover;transition:var(--transition)}.product-slide:hover .product-image img{transform:scale(1.05)}.product-content{padding:20px}.product-content h3{font-size:1.2rem;color:var(--dark-blue);margin-bottom:10px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;overflow:hidden}.product-content p{color:#666;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;text-overflow:ellipsis;line-height:1.5;margin-bottom:15px;font-size:.95rem}.product-cta{display:inline-block;background:var(--primary-blue);color:#fff;padding:8px 20px;border-radius:4px;text-decoration:none;font-weight:500;transition:var(--transition)}.product-cta:hover{background:var(--dark-blue)}.slider-nav{display:flex;justify-content:center;gap:15px;margin-top:30px}.slider-nav-btn{background:var(--light-gray);border:none;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.slider-nav-btn:hover{background:var(--primary-blue);color:#fff}.new-products{background:var(--light-blue);padding:80px 0}.new-products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;margin-top:40px}.new-product-card{background:var(--white);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);transition:var(--transition)}.new-product-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,.15)}.new-badge{position:absolute;top:15px;right:15px;background:#ff4757;color:#fff;padding:5px 15px;border-radius:20px;font-size:.85rem;font-weight:600}.trend-badge{background:var(--primary-blue)}.customer-cases{background:var(--white);padding:80px 0}.cases-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:40px;margin-top:40px}.case-card{background:var(--white);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);transition:var(--transition)}.case-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px rgba(0,0,0,.15)}.case-header{padding:25px;background:var(--light-blue);border-bottom:1px solid #e0e7ff;display:flex;align-items:center;gap:20px}.case-avatar{width:70px;height:70px;border-radius:50%;overflow:hidden;flex-shrink:0;border:3px solid #fff;box-shadow:0 3px 10px rgba(0,0,0,.1)}.case-avatar img{width:100%;height:100%;object-fit:cover}.case-info h3{color:var(--dark-blue);margin-bottom:5px;font-size:1.3rem}.case-info .location{color:#666;font-size:.9rem;display:flex;align-items:center;gap:5px}.case-content{padding:25px}.case-stats{display:flex;justify-content:space-between;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--light-gray)}.stat-item{text-align:center}.stat-value{font-size:1.8rem;font-weight:700;color:var(--primary-blue);margin-bottom:5px}.stat-label{color:#666;font-size:.9rem}.case-description{color:#555;line-height:1.6;margin-bottom:20px}.case-quote{background:#f8faff;padding:20px;border-radius:var(--border-radius);border-left:4px solid var(--primary-blue);font-style:italic;color:#555;line-height:1.6}.trust-section{background:var(--light-gray);padding:80px 0}.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-top:40px}.trust-card{text-align:center;padding:30px 20px;transition:var(--transition);background:var(--white);border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.trust-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,0,0,.1)}.trust-card img{width:100px;height:100px;object-fit:contain;margin:0 auto 20px;transition:var(--transition)}.trust-card:hover img{transform:scale(1.1)}.trust-card h3{color:var(--dark-blue);margin-bottom:10px;font-size:1.2rem}.trust-card p{color:#666;font-size:.95rem}.factory-video-section{background:var(--white);padding:80px 0}.video-container{position:relative;max-width:900px;margin:40px auto 0;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow)}.video-wrapper{position:relative;padding-bottom:56.25%;height:0}.video-wrapper iframe{position:absolute;top:0;left:0;width:100%;height:100%}.video-caption{text-align:center;margin-top:20px;color:#666;font-style:italic}.blog-section{background:var(--light-blue);padding:80px 0}.blog-header{text-align:center;margin-bottom:50px}.blog-header h2{color:var(--dark-blue);font-size:2.2rem;margin-bottom:15px}.blog-header p{color:#666;max-width:700px;margin:0 auto 30px;font-size:1.1rem}.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:40px;margin-bottom:50px}.blog-card{background:var(--white);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);transition:var(--transition)}.blog-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px rgba(0,0,0,.15)}.blog-image{height:220px;overflow:hidden;position:relative}.blog-image img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}.blog-card:hover .blog-image img{transform:scale(1.05)}.blog-category{position:absolute;top:15px;left:15px;background:var(--primary-blue);color:#fff;padding:5px 15px;border-radius:20px;font-size:.85rem;font-weight:600}.blog-content{padding:30px}.blog-meta{display:flex;justify-content:space-between;color:#888;font-size:.9rem;margin-bottom:15px}.blog-content h3{font-size:1.4rem;color:var(--dark-blue);margin-bottom:15px;line-height:1.4}.blog-content p{color:#555;line-height:1.6;margin-bottom:20px}.blog-footer{display:flex;justify-content:space-between;align-items:center;padding-top:20px;border-top:1px solid var(--light-gray)}.read-time{color:#888;font-size:.9rem;display:flex;align-items:center;gap:5px}.read-more{color:var(--primary-blue);text-decoration:none;font-weight:600;display:inline-flex;align-items:center;gap:5px;transition:var(--transition)}.read-more:hover{color:var(--dark-blue);gap:10px}.blog-cta{text-align:center;margin-top:40px}.faq-section{background:var(--white);padding:80px 0}.faq-container{max-width:900px;margin:0 auto}.faq-categories{display:flex;justify-content:center;gap:15px;margin-bottom:40px;flex-wrap:wrap}.faq-category-btn{background:var(--white);border:2px solid var(--light-blue);padding:12px 25px;border-radius:30px;font-weight:600;cursor:pointer;transition:var(--transition)}.faq-category-btn.active,.faq-category-btn:hover{background:var(--primary-blue);color:#fff;border-color:var(--primary-blue)}.faq-content{background:var(--white);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow)}.faq-item{border-bottom:1px solid var(--light-gray)}.faq-item:last-child{border-bottom:none}.faq-question{padding:25px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;background:var(--white);transition:var(--transition)}.faq-question:hover{background:var(--light-blue)}.faq-question i{transition:transform .3s}.faq-item.active .faq-question i{transform:rotate(180deg)}.faq-answer{padding:0 25px;max-height:0;overflow:hidden;transition:max-height .3s,padding .3s;background:#fcfdff}.faq-item.active .faq-answer{padding:0 25px 25px;max-height:500px}.final-cta{background:linear-gradient(135deg,var(--primary-blue) 0,var(--dark-blue) 100%);color:#fff;padding:100px 0;text-align:center}.final-cta h2{font-size:2.5rem;margin-bottom:20px}.final-cta p{font-size:1.2rem;max-width:800px;margin:0 auto 40px;opacity:.9}.cta-buttons{display:flex;gap:20px;justify-content:center;margin-bottom:40px;flex-wrap:wrap}.cta-btn-primary,.cta-btn-secondary{padding:16px 40px;border-radius:var(--border-radius);font-weight:600;font-size:1.1rem;text-decoration:none;transition:var(--transition);display:inline-flex;align-items:center;gap:10px}.cta-btn-primary{background:#fff;color:var(--primary-blue)}.cta-btn-primary:hover{background:var(--light-gray);transform:translateY(-3px);box-shadow:0 10px 20px rgba(255,255,255,.2)}.cta-btn-secondary{background:0 0;color:#fff;border:2px solid #fff}.cta-btn-secondary:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}footer{background-color:#1a1a2e;color:var(--white);padding:70px 0 20px;font-size:clamp(.8rem, 2vw, 1rem)}.footer-content{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-bottom:50px}.footer-section h3{margin-bottom:20px;color:var(--white);font-size:clamp(.8rem, 2vw, 1.3rem)}.footer-links{list-style:none}.footer-links li{margin-bottom:10px}.footer-links a{color:#b0b0b0;text-decoration:none;transition:color .3s}.footer-links a:hover{color:var(--white)}.contact-info p{margin-bottom:10px;color:#b0b0b0}.contact-form input,.contact-form textarea{width:100%;padding:12px;margin-bottom:15px;border-radius:var(--border-radius);border:1px solid #444;background-color:#2d3047;color:var(--white)}.contact-form textarea{height:100px;resize:vertical}.captcha-row{display:flex;gap:10px;margin-bottom:15px}.captcha-container{display:flex;gap:5px;width:160px;font-size:clamp(.8rem, 2vw, 1rem)}.captcha-code{flex:1;display:flex;align-items:center;justify-content:center;background-color:#f0f0f0;color:#333;font-weight:700;font-size:clamp(.8rem, 2vw, 1rem);letter-spacing:3px;border-radius:var(--border-radius);user-select:none;min-height:48px}.refresh-captcha{background-color:var(--primary-blue);color:#fff;border:none;border-radius:var(--border-radius);padding:0 12px;cursor:pointer;transition:background-color .3s;display:flex;align-items:center;justify-content:center}.refresh-captcha:hover{background-color:var(--dark-blue)}#captcha-input{flex:1;margin-bottom:0}.social-icons{display:flex;gap:15px;margin-top:20px}.social-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background-color:rgba(255,255,255,.1);border-radius:50%;color:#fff;text-decoration:none;transition:.3s}.social-icon:hover{background-color:var(--primary-blue);transform:translateY(-3px)}.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid #444;color:#b0b0b0}.keywords{text-align:center;margin-top:20px;font-size:clamp(.8rem, 2vw, 1rem);color:#b0b0b0}.floating-contact{position:fixed;right:20px;top:50%;transform:translateY(-50%);background:0 0;border-radius:var(--border-radius);padding:15px;box-shadow:none;z-index:999}.contact-icons{display:flex;flex-direction:column;gap:15px}.contact-icon{color:var(--white);font-size:1.2rem;display:flex;align-items:center;justify-content:center;width:50px;height:50px;background-color:var(--primary-blue);border-radius:50%;transition:.3s;position:relative;box-shadow:0 4px 8px rgba(26,109,252,.3)}.contact-icon:hover{background-color:var(--dark-blue);transform:scale(1.1)}.wechat-qr{position:absolute;left:-95px;top:-10px;width:80px;height:80px;background-color:#fff;border-radius:var(--border-radius);box-shadow:0 5px 15px rgba(0,0,0,.2);padding:10px;display:none;z-index:1001}.wechat-icon.active .wechat-qr,.wechat-icon:hover .wechat-qr{display:block}.wechat-qr img{width:100%;height:100%;border-radius:5px}.wechat-qr::after{content:'';position:absolute;top:50%;right:-10px;transform:translateY(-50%);width:0;height:0;border-top:10px solid transparent;border-bottom:10px solid transparent;border-left:10px solid #fff}@media (max-width:768px){.navbar{flex-wrap:wrap}.nav-links{display:none;position:fixed;top:0;right:-100%;width:80%;max-width:300px;height:100vh;background-color:var(--white);flex-direction:column;margin-top:0;padding:80px 20px 20px;box-shadow:-5px 0 15px rgba(0,0,0,.1);transition:right .3s;overflow-y:auto;z-index:9999}.nav-links.active{display:flex;right:0}.nav-links>li{margin:0;width:100%}.nav-links>li>a{padding:15px;border-radius:0;border-bottom:1px solid var(--light-gray);display:flex;justify-content:space-between;align-items:center}.dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;width:100%;margin-top:0;max-height:0;overflow:hidden;transition:max-height .3s;background-color:var(--light-blue)}.dropdown-menu.active{max-height:500px}.dropdown-menu a{padding:12px 15px 12px 30px;border-bottom:1px solid rgba(0,0,0,.05)}.dropdown-toggle{display:flex;align-items:center;justify-content:center;width:30px;height:30px;background:0 0;border:none;font-size:1rem;color:var(--text-color);cursor:pointer;transition:transform .3s}.dropdown-toggle.active{transform:rotate(180deg)}.mobile-menu-btn{display:block}.footer-content{grid-template-columns:1fr}.floating-contact{position:fixed;right:auto;left:0;top:auto;bottom:0;width:100%;transform:none;background-color:transparent;padding:10px;box-shadow:none}.contact-icons{flex-direction:row;justify-content:space-around}.contact-icon{width:45px;height:45px;background-color:var(--primary-blue)}body{padding-bottom:70px}.captcha-row{flex-direction:column}.captcha-container{width:100%}#captcha-input{width:100%;margin-bottom:15px}.wechat-qr{left:200px;width:100px;height:100px;bottom:60px;top:auto}}@media (max-width:480px){.wechat-qr{left:-20px;width:90px;height:90px}.wechat-qr::after{content:'';position:absolute;top:100%;left:50%;transform:translateX(-50%);width:0;height:0;border-top:10px solid #fff;border-right:10px solid transparent;border-left:10px solid transparent;border-bottom:10px solid transparent}}