:root{--primary-color:#2c3e50;--primary-dark:#1a252f;--secondary-color:#3498db;--accent-color:#e74c3c;--bg-dark:#f8f9fa;--bg-card:#ffffff;--text-primary:#2c3e50;--text-secondary:#7f8c8d;--border-color:#ecf0f1;--gradient-primary:linear-gradient(135deg,#2c3e50 0%,#3498db 100%);--font-primary:'Segoe UI','Microsoft YaHei',sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-primary);color:var(--text-primary);line-height:1.6;background:var(--bg-dark)}a{text-decoration:none;color:inherit;transition:all .3s}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background:var(--bg-card);box-shadow:0 2px 10px rgba(0,0,0,.1);position:fixed;width:100%;top:0;z-index:1000}.navbar{padding:15px 0}.navbar .container{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:var(--primary-color);display:flex;align-items:center;gap:10px}.logo i{color:var(--secondary-color)}.nav-menu{display:flex;list-style:none;gap:30px;align-items:center}.nav-menu a{padding:8px 0;font-weight:500;position:relative}.nav-menu a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--secondary-color);transition:width .3s}.nav-menu a:hover::after,.nav-menu a.active::after{width:100%}.hamburger{display:none;flex-direction:column;cursor:pointer;gap:5px}.hamburger span{width:25px;height:3px;background:var(--primary-color);transition:all .3s}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;background:var(--gradient-primary);color:#fff;border:none;border-radius:30px;font-weight:600;cursor:pointer;transition:all .3s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 20px rgba(52,152,219,.4)}.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;background:transparent;color:var(--primary-color);border:2px solid var(--primary-color);border-radius:30px;font-weight:600;cursor:pointer;transition:all .3s}.btn-outline:hover{background:var(--primary-color);color:#fff}.btn-lg{padding:15px 40px;font-size:1.1rem}.page-header{padding:150px 0 80px;background:var(--gradient-primary);color:#fff;text-align:center}.page-header h1{font-size:2.5rem;margin-bottom:15px}.page-header p{font-size:1.2rem;opacity:.9}.section-header{text-align:center;margin-bottom:50px}.section-header h2{font-size:2rem;color:var(--primary-color);margin-bottom:10px}.section-header p{color:var(--text-secondary)}.hero{padding:180px 0 100px;background:var(--gradient-primary);color:#fff;position:relative;overflow:hidden}.hero::before{content:'';position:absolute;top:0;right:0;width:50%;height:100%;background:url('https://picsum.photos/1200/800?random=10') center/cover;opacity:.2}.hero-content{max-width:600px}.hero h1{font-size:3rem;margin-bottom:20px;line-height:1.2}.hero p{font-size:1.2rem;margin-bottom:30px;opacity:.9}.hero .btn-primary{background:#fff;color:var(--primary-color)}.hero .btn-primary:hover{box-shadow:0 5px 20px rgba(0,0,0,.2)}.hero .btn-outline{color:#fff;border-color:#fff;margin-left:15px}.hero .btn-outline:hover{background:#fff;color:var(--primary-color)}.features{padding:80px 0;background:var(--bg-card)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.feature-card{padding:40px 30px;text-align:center;border-radius:15px;background:var(--bg-dark);transition:all .3s}.feature-card:hover{transform:translateY(-10px);box-shadow:0 15px 40px rgba(0,0,0,.1)}.feature-card i{font-size:3rem;color:var(--secondary-color);margin-bottom:20px}.feature-card h3{font-size:1.3rem;margin-bottom:15px;color:var(--primary-color)}.feature-card p{color:var(--text-secondary)}.services{padding:80px 0}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:30px}.service-card{background:var(--bg-card);border-radius:15px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.08);transition:all .3s}.service-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.12)}.service-card img{width:100%;height:200px;object-fit:cover}.service-content{padding:25px}.service-content h3{font-size:1.3rem;margin-bottom:10px;color:var(--primary-color)}.service-content p{color:var(--text-secondary);margin-bottom:15px}.service-link{color:var(--secondary-color);font-weight:600;display:inline-flex;align-items:center;gap:5px}.service-link:hover{gap:10px}.about{padding:80px 0;background:var(--bg-card)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.about-image img{width:100%;border-radius:15px;box-shadow:0 10px 40px rgba(0,0,0,.1)}.about-content h2{font-size:2rem;color:var(--primary-color);margin-bottom:20px}.about-content p{color:var(--text-secondary);margin-bottom:15px}.about-stats{display:flex;gap:40px;margin-top:30px}.stat-item{text-align:center}.stat-item i{font-size:2rem;color:var(--secondary-color);margin-bottom:10px}.stat-number{font-size:2rem;font-weight:700;color:var(--primary-color);display:block}.stat-label{color:var(--text-secondary);font-size:.9rem}.cases{padding:80px 0}.cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.case-card{background:var(--bg-card);border-radius:15px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.08)}.case-card img{width:100%;height:200px;object-fit:cover}.case-content{padding:25px}.case-content h3{font-size:1.2rem;margin-bottom:10px;color:var(--primary-color)}.case-content p{color:var(--text-secondary);margin-bottom:15px}.case-tags{display:flex;gap:10px;flex-wrap:wrap}.case-tag{background:var(--bg-dark);padding:5px 12px;border-radius:20px;font-size:.85rem;color:var(--text-secondary)}.pricing{padding:80px 0;background:var(--bg-card)}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.price-card{padding:40px 30px;text-align:center;border-radius:15px;background:var(--bg-dark);border:2px solid transparent;transition:all .3s}.price-card.featured{border-color:var(--secondary-color);transform:scale(1.05);background:var(--bg-card)}.price-card h3{font-size:1.5rem;margin-bottom:15px;color:var(--primary-color)}.price-amount{font-size:3rem;font-weight:700;color:var(--secondary-color);margin-bottom:20px}.price-amount span{font-size:1rem;font-weight:400;color:var(--text-secondary)}.price-features{list-style:none;margin-bottom:30px}.price-features li{padding:10px 0;border-bottom:1px solid var(--border-color);color:var(--text-secondary)}.price-features li i{color:var(--secondary-color);margin-right:10px}.contact{padding:80px 0}.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:50px}.contact-info h2{font-size:2rem;color:var(--primary-color);margin-bottom:20px}.info-list{list-style:none}.info-list li{display:flex;align-items:flex-start;gap:15px;padding:15px 0;border-bottom:1px solid var(--border-color)}.info-list li i{font-size:1.5rem;color:var(--secondary-color);margin-top:5px}.info-list li h3{font-size:1rem;margin-bottom:5px;color:var(--primary-color)}.info-list li p{color:var(--text-secondary)}.social-links{display:flex;gap:15px;margin-top:20px}.social-links a{width:45px;height:45px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-dark);color:var(--primary-color);transition:all .3s}.social-links a:hover{background:var(--secondary-color);color:#fff}.contact-form{background:var(--bg-card);padding:40px;border-radius:15px;box-shadow:0 10px 40px rgba(0,0,0,.08)}.contact-form h3{font-size:1.5rem;margin-bottom:25px;color:var(--primary-color)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:var(--primary-color)}.form-group label i{margin-right:8px;color:var(--secondary-color)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 15px;border:1px solid var(--border-color);border-radius:8px;font-family:var(--font-primary);font-size:1rem;transition:all .3s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--secondary-color);box-shadow:0 0 0 3px rgba(52,152,219,.1)}.form-group textarea{resize:vertical;min-height:120px}.form-actions{display:flex;gap:15px;margin-top:20px}.form-actions button{flex:1}.footer{background:var(--primary-dark);color:#fff;padding:60px 0 20px}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px;margin-bottom:40px}.footer-section h3{margin-bottom:20px;font-size:1.3rem}.footer-section p{opacity:.8;margin-bottom:10px}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:10px;opacity:.8}.footer-section ul li a:hover{opacity:1;color:var(--secondary-color)}.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);opacity:.7}.toast{position:fixed;bottom:30px;right:30px;padding:15px 25px;background:var(--bg-card);border-radius:10px;box-shadow:0 10px 40px rgba(0,0,0,.2);display:flex;align-items:center;gap:12px;transform:translateX(150%);transition:transform .3s;z-index:9999}.toast.show{transform:translateX(0)}.toast i{font-size:1.3rem}.toast-success i{color:#27ae60}.toast-error i{color:#e74c3c}.toast-info i{color:#3498db}@media(max-width:768px){.nav-menu{position:fixed;top:70px;left:-100%;width:100%;height:calc(100vh-70px);background:var(--bg-card);flex-direction:column;padding:30px;gap:20px;transition:left .3s}.nav-menu.active{left:0}.hamburger{display:flex}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.hero{padding:150px 0 80px}.hero h1{font-size:2rem}.hero-content{text-align:center;margin:0 auto}.about-grid,.contact-grid{grid-template-columns:1fr}.about-stats{flex-wrap:wrap;justify-content:center}.form-row{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr}.price-card.featured{transform:scale(1)}}