*{margin:0;padding:0;box-sizing:border-box}body{font-family:Microsoft YaHei,PingFang SC,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:#333}#app{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.1);position:fixed;top:0;width:100%;z-index:1000}.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;justify-content:space-between;height:70px}.nav-container,.nav-logo{display:flex;align-items:center}.logo-img{height:40px;width:auto;margin-right:10px}.company-name{color:#2c5aa0;font-size:18px;font-weight:700}.nav-menu{display:flex;list-style:none}.nav-item{margin-left:30px}.nav-links{text-decoration:none;color:#333;font-weight:500;transition:color .3s}.nav-links:hover{color:#2c5aa0}.hero{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:150px 0 100px;text-align:center;margin-top:70px}.hero-content{max-width:800px;margin:0 auto;padding:0 20px}.hero-logo{text-align:center;margin-bottom:30px}.hero-logo-img{height:120px;width:auto;filter:drop-shadow(0 4px 8px rgba(0,0,0,.3))}.hero-title{font-size:3rem;margin-bottom:20px;font-weight:700}.hero-description{font-size:1.2rem;margin-bottom:40px;opacity:.9;line-height:1.8}.hero-buttons{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.btn{display:inline-block;padding:15px 30px;text-decoration:none;border-radius:5px;font-weight:600;transition:all .3s}.btn-primary{background:#ff6b6b;color:#fff}.btn-primary:hover{background:#ff5252;transform:translateY(-2px)}.btn-secondary{background:transparent;color:#fff;border:2px solid #fff}.btn-secondary:hover{background:#fff;color:#667eea}.section-title{text-align:center;font-size:2.5rem;color:#333;margin-bottom:60px;position:relative}.section-title:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:60px;height:4px;background:#2c5aa0}.services{padding:100px 0;background:#f8f9fa}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.service-card{background:#fff;padding:40px 30px;border-radius:10px;text-align:center;box-shadow:0 5px 15px rgba(0,0,0,.1);transition:transform .3s}.service-card:hover{transform:translateY(-10px)}.service-icon{font-size:3rem;margin-bottom:20px}.service-card h3{font-size:1.5rem;color:#333;margin-bottom:15px}.service-card p{color:#666;line-height:1.6}.solutions{padding:100px 0}.solutions-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:40px}.solution-item{padding:30px;border-left:4px solid #2c5aa0;background:#f8f9fa;border-radius:5px}.solution-item h3{color:#2c5aa0;font-size:1.3rem;margin-bottom:15px}.solution-item p{color:#666;line-height:1.6}.about{padding:100px 0;background:#f8f9fa}.about-content{max-width:800px;margin:0 auto;text-align:center}.about-content>p{font-size:1.1rem;line-height:1.8;margin-bottom:40px;color:#555}.company-info{display:grid;gap:20px;text-align:left}.info-item{padding:20px;background:#fff;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.1)}.info-item strong{color:#2c5aa0}.contact{padding:100px 0}.contact-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:40px;text-align:center}.contact-item{padding:30px;background:#f8f9fa;border-radius:10px}.contact-item h3{color:#2c5aa0;margin-bottom:15px;font-size:1.3rem}.contact-item p{font-size:1.1rem;color:#555}.footer{background:#333;color:#fff;text-align:center;padding:30px 0}.footer p{margin-bottom:5px}@media (max-width:768px){.nav-container{flex-direction:column;height:auto;padding:20px}.nav-menu{margin-top:20px}.nav-item{margin:0 15px}.hero{padding:120px 0 80px;margin-top:120px}.hero-logo-img{height:80px}.hero-title{font-size:2rem}.hero-description{font-size:1rem}.company-name{font-size:14px}.logo-img{height:30px}.hero-buttons{flex-direction:column;align-items:center}.contact-info,.services-grid,.solutions-content{grid-template-columns:1fr}}