.App{min-height:100vh}.navbar{background-color:#fff;box-shadow:0 2px 4px #0000001a;position:fixed;top:0;left:0;right:0;z-index:1000}.navbar .container{display:flex;justify-content:space-between;align-items:center;padding:20px}.navbar-brand h1{font-size:24px;font-weight:700;color:#007bff}.navbar-links{display:flex;gap:30px}.navbar-links a{color:#333;font-weight:500;transition:color .3s ease}.navbar-links a:hover,.navbar-links a.active{color:#007bff}.hero{background:linear-gradient(135deg,#007bff,#0056b3);color:#fff;padding:160px 0 120px;text-align:center;margin-top:70px}.hero h2{color:#fff;font-size:48px;margin-bottom:20px}.hero p{font-size:18px;margin-bottom:40px;max-width:800px;margin-left:auto;margin-right:auto}.services{background-color:#fff}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.service-card{background-color:#f8f9fa;padding:40px;border-radius:8px;text-align:center;transition:transform .3s ease,box-shadow .3s ease}.service-card:hover{transform:translateY(-10px);box-shadow:0 10px 30px #0000001a}.service-icon{color:#007bff;margin-bottom:20px}.service-card h3{font-size:20px;font-weight:600;margin-bottom:15px;color:#333}.service-card p{color:#666}.cases{background-color:#f8f9fa}.cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.case-card{background-color:#fff;border-radius:8px;overflow:hidden;box-shadow:0 4px 6px #0000001a;transition:transform .3s ease,box-shadow .3s ease}.case-card:hover{transform:translateY(-10px);box-shadow:0 10px 30px #0000001a}.case-image img{width:100%;height:200px;object-fit:cover;display:block}.case-card h3{font-size:18px;font-weight:600;margin:20px;color:#333}.case-card p{margin:0 20px 20px;color:#666}.about{background-color:#fff}.about-content{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;padding:40px 0}.about-text p{margin-bottom:20px;color:#666;font-size:18px;line-height:1.8}.about-image img{width:100%;border-radius:8px;box-shadow:0 10px 30px #0000001a}.contact{background-color:#f8f9fa}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:60px}.contact-info{background-color:#fff;padding:40px;border-radius:8px;box-shadow:0 4px 6px #0000001a}.contact-item{display:flex;align-items:flex-start;margin-bottom:30px;gap:15px}.contact-item svg{color:#007bff;margin-top:5px}.contact-form{background-color:#fff;padding:40px;border-radius:8px;box-shadow:0 4px 6px #0000001a}.form-group{margin-bottom:20px}.form-group input,.form-group textarea{width:100%;padding:12px;border:1px solid #ddd;border-radius:4px;font-size:16px;transition:border-color .3s ease}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#007bff}.form-message{padding:12px 15px;border-radius:4px;margin-bottom:20px;font-size:14px}.form-message.success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}.form-message.error{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb}button:disabled{opacity:.6;cursor:not-allowed}input:disabled,textarea:disabled{background-color:#e9ecef;cursor:not-allowed}.footer{background-color:#333;color:#fff;padding:60px 0 30px}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;margin-bottom:40px}.footer-logo h3{font-size:20px;font-weight:700;margin-bottom:10px;color:#007bff}.footer-logo p{color:#999}.footer-links h4,.footer-contact h4{font-size:16px;font-weight:600;margin-bottom:20px}.footer-links ul{list-style:none}.footer-links li{margin-bottom:10px}.footer-links a{color:#999;transition:color .3s ease}.footer-links a:hover{color:#fff}.footer-contact p{color:#999;margin-bottom:10px}.footer-bottom{border-top:1px solid #444;padding-top:30px;text-align:center;color:#999}.footer-bottom .beian{margin-top:10px;font-size:14px;color:#888}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.footer-contact a,.contact-item a{color:inherit;text-decoration:none;transition:color .3s ease}.footer-contact a:hover,.contact-item a:hover{color:#007bff}@media (max-width: 768px){.navbar .container{flex-direction:column;padding:15px}.navbar-links{margin-top:15px;gap:15px}.hero h2{font-size:36px}.about-content,.contact-content{grid-template-columns:1fr;gap:40px}.footer-content{grid-template-columns:1fr;gap:30px}}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:#333;background-color:#f5f5f5}a{color:#007bff;text-decoration:none;transition:color .3s ease}a:hover{color:#0056b3}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn-primary{display:inline-block;padding:12px 30px;background-color:#007bff;color:#fff;border:none;border-radius:4px;font-size:16px;font-weight:500;cursor:pointer;transition:background-color .3s ease}.btn-primary:hover{background-color:#0056b3}section{padding:80px 0}h2{font-size:36px;font-weight:700;margin-bottom:40px;text-align:center;color:#333}@media (max-width: 768px){section{padding:60px 0}h2{font-size:28px}}