*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#2563eb;--secondary-color:#1e40af;--text-color:#1f2937;--text-light:#6b7280;--bg-color:#fff;--bg-light:#f8fafc;--border-color:#e5e7eb}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-color);line-height:1.6;overflow-x:hidden}body,main{margin:0;padding:0;width:100%}main{box-sizing:border-box}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section{padding:80px 0}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:1rem;color:var(--text-color)}.section-subtitle{font-size:1.25rem;text-align:center;color:var(--text-light);margin-bottom:3rem}.btn{display:inline-block;padding:12px 32px;border-radius:8px;font-weight:600;transition:all .3s ease;cursor:pointer;border:none;font-size:1rem}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--secondary-color);transform:translateY(-2px);box-shadow:0 4px 12px rgba(37,99,235,.3)}.btn-outline{background-color:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-outline:hover{background-color:var(--primary-color);color:#fff}@media (max-width:768px){body{overflow-x:hidden!important}body,main{margin:0!important;padding:0!important;width:100%!important}.section,main{box-sizing:border-box!important}.section{padding:60px 0;margin:0!important;width:100%!important}.section-title{font-size:2rem}.section-subtitle{font-size:1.1rem}.container{margin:0 auto!important;padding:0 20px!important;width:100%!important;max-width:100%!important;box-sizing:border-box!important;position:relative!important;left:0!important;right:0!important}}.footer{background-color:var(--text-color);color:#fff;padding:60px 0 20px;margin-top:80px}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.5fr;grid-gap:4rem;gap:4rem;margin-bottom:3rem;align-items:flex-start}.footer-brand{max-width:400px}.footer-contact{max-width:250px}.footer-logo{margin-bottom:2rem}.footer-logo img{filter:brightness(0) invert(1)}.footer-contact-info{margin-top:1rem}.footer-contact-item{color:hsla(0,0%,100%,.9);line-height:1.8;margin:.75rem 0;font-size:.95rem}.footer-qrcodes{display:flex;gap:1.5rem;margin-top:1.5rem}.footer-qrcode-item{display:flex;flex-direction:column;align-items:center;gap:.5rem}.footer-qrcode-item img{border-radius:8px;background:#fff;padding:8px}.footer-qrcode-label{font-size:.85rem;color:hsla(0,0%,100%,.8);margin:0;text-align:center}.footer-company-name{font-size:1.2rem;margin:0;color:#fff;font-weight:500}.footer-cta{margin-top:1.5rem}.btn-footer{padding:10px 24px;font-size:.95rem;border-radius:50px}.footer-section h3{font-size:1.5rem;margin-bottom:1rem;color:#fff}.footer-section h4{font-size:1.2rem;margin-bottom:1rem;color:#fff}.footer-section p{color:hsla(0,0%,100%,.8);line-height:1.8}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem;color:hsla(0,0%,100%,.8)}.footer-section ul li a{color:hsla(0,0%,100%,.8);transition:color .3s ease}.footer-section ul li a:hover{color:#fff}.footer-bottom{border-top:1px solid hsla(0,0%,100%,.2);padding-top:2rem;text-align:center;color:hsla(0,0%,100%,.6)}.footer-beian{margin-top:1rem;text-align:right;padding-right:380px;font-size:.9rem;color:hsla(0,0%,100%,.6)}.footer-beian a{color:hsla(0,0%,100%,.6);text-decoration:none;transition:color .3s ease}.footer-beian a:hover{color:hsla(0,0%,100%,.9)}.footer-beian-separator{margin:0 .5rem}@media (max-width:768px){.footer{padding:40px 0 20px}.footer-content{grid-template-columns:1fr;gap:2.5rem}.footer-brand{max-width:100%;text-align:center}.footer-logo{display:flex;justify-content:center}.footer-contact-info{text-align:center}.footer-qrcodes{justify-content:center}.footer-beian{text-align:center;padding-right:0;margin-top:1rem}}.header{background-color:transparent;position:fixed;top:0;left:0;right:0;z-index:1000;transition:all .3s ease}.header.scrolled{background-color:#fff;box-shadow:0 2px 8px rgba(0,0,0,.1)}.header.scrolled .logo{opacity:1}.header.scrolled .nav-links a,.header.scrolled .nav-links span{color:var(--text-color)}.header.scrolled .nav-links a:hover,.header.scrolled .nav-links span:hover{color:var(--primary-color)}.header.scrolled .menu-toggle span{background-color:var(--text-color)}.nav{justify-content:space-between;padding:1rem 0}.logo,.nav{display:flex;align-items:center}.logo{transition:opacity .3s ease}.logo:hover{opacity:.8}.logo 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24px;font-size:.95rem;border-radius:50px;color:#fff!important;background-color:var(--primary-color)!important;border:none!important}.btn-nav:hover{color:#fff!important;background-color:var(--secondary-color)!important;transform:translateY(-2px);box-shadow:0 4px 12px rgba(37,99,235,.3)}.header.scrolled .btn-nav{color:#fff!important;background-color:var(--primary-color)!important}.header.scrolled .btn-nav:hover{color:#fff!important;background-color:var(--secondary-color)!important}.nav-links a,.nav-links span{font-weight:500;transition:color .3s ease;position:relative;color:#fff;text-decoration:none;display:inline-block}.nav-links a:hover,.nav-links span:hover{color:var(--primary-color)}.nav-links a:after,.nav-links span:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background-color:var(--primary-color);transition:width .3s ease}.nav-links a:hover:after,.nav-links 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.nav-links{background-color:hsla(0,0%,100%,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.nav-links li.has-dropdown{position:static}.dropdown-menu{position:static!important;transform:none!important;margin-top:.5rem;margin-left:0;box-shadow:none;border:none;border-top:1px solid var(--border-color);border-radius:0;padding:0!important;max-height:0!important;overflow:hidden!important;transition:max-height .3s ease,padding .3s ease,opacity .3s ease;background-color:transparent;width:100%!important;min-width:100%!important;opacity:0!important;visibility:hidden!important;display:block!important}.dropdown-menu.active{max-height:500px!important;padding:.5rem 0!important;opacity:1!important;visibility:visible!important;overflow:visible!important}.dropdown-menu:not(.active){max-height:0!important;padding:0!important;opacity:0!important;visibility:hidden!important;overflow:hidden!important}.dropdown-menu a,.dropdown-menu li{width:100%;display:block}.dropdown-menu a{padding:.75rem 1rem;color:var(--text-light)!important;text-align:center;white-space:nowrap;overflow:visible;text-overflow:clip;word-wrap:normal}.dropdown-menu a:hover{padding-left:1rem;color:var(--primary-color)!important;background-color:transparent}.dropdown-arrow{display:inline-block;margin-left:.5rem;transition:transform .3s ease}.nav-links li.has-dropdown .active .dropdown-arrow{transform:rotate(180deg)}.btn-nav{width:100%;text-align:center;margin-top:1rem;padding:12px 24px!important}}