:root{--primary-color: #2c3e50;--secondary-color: #34495e;--accent-color: #e74c3c;--light-color: #ecf0f1;--dark-color: #2c3e50;--text-color: #333333;--text-light: #666666;--border-color: #e0e0e0;--background-color: #f8f9fa;--spacing-xs: 8px;--spacing-sm: 16px;--spacing-md: 24px;--spacing-lg: 32px;--spacing-xl: 48px;--spacing-xxl: 60px;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 12px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .15);--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}body{font-family:Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--background-color);overflow-x:hidden}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}nav{display:flex;justify-content:space-between;align-items:center}.btn{display:inline-block;padding:12px 24px;border:none;border-radius:var(--border-radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition-normal);text-decoration:none;text-align:center;min-width:120px}.btn-primary{background-color:var(--accent-color);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background-color:#c0392b;transform:translateY(-2px);box-shadow:0 4px 8px #e74c3c4d}.btn-secondary{background-color:var(--secondary-color);color:#fff;box-shadow:var(--shadow-sm)}.btn-secondary:hover{background-color:#456;transform:translateY(-2px);box-shadow:0 4px 8px #0000004d}.btn-warning{background-color:#f39c12;color:#fff;box-shadow:var(--shadow-sm)}.btn-warning:hover{background-color:#e67e22;transform:translateY(-2px);box-shadow:0 4px 8px #f39c124d}.btn-danger{background-color:var(--accent-color);color:#fff;box-shadow:var(--shadow-sm)}.btn-danger:hover{background-color:#c0392b;transform:translateY(-2px);box-shadow:0 4px 8px #e74c3c4d}.form-group{margin-bottom:var(--spacing-md)}.form-group label{display:block;margin-bottom:var(--spacing-xs);font-weight:500;color:var(--text-light);font-size:14px}.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;border:1px solid var(--border-color);border-radius:var(--border-radius-md);font-size:14px;transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #e74c3c1a}.table{width:100%;border-collapse:collapse;font-size:14px;background-color:#fff;border-radius:var(--border-radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-color)}.table th{background-color:var(--background-color);font-weight:600;color:var(--text-color);text-transform:uppercase;font-size:12px;letter-spacing:.5px}.table tr:hover{background-color:var(--background-color)}.table tr:last-child td{border-bottom:none}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes growWidth{0%{width:0}to{width:100%}}@media(max-width:1199px){.container{max-width:960px}}@media(max-width:991px){.container{max-width:720px}}@media(max-width:768px){.container{max-width:100%;padding:0 16px}nav{flex-wrap:wrap}.btn{padding:10px 20px;font-size:13px;min-width:100px}.form-group input,.form-group textarea,.form-group select{padding:10px 14px;font-size:13px}.table{font-size:13px}.table th,.table td{padding:10px 12px}}@media(max-width:480px){.container{padding:0 12px}.btn{padding:8px 16px;font-size:12px;min-width:80px}.form-group input,.form-group textarea,.form-group select{padding:8px 12px;font-size:12px}.table{font-size:12px}.table th,.table td{padding:8px 10px}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-1{margin-top:var(--spacing-xs)}.mt-2{margin-top:var(--spacing-sm)}.mt-3{margin-top:var(--spacing-md)}.mt-4{margin-top:var(--spacing-lg)}.mt-5{margin-top:var(--spacing-xl)}.mb-1{margin-bottom:var(--spacing-xs)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-3{margin-bottom:var(--spacing-md)}.mb-4{margin-bottom:var(--spacing-lg)}.mb-5{margin-bottom:var(--spacing-xl)}.ml-1{margin-left:var(--spacing-xs)}.ml-2{margin-left:var(--spacing-sm)}.ml-3{margin-left:var(--spacing-md)}.ml-4{margin-left:var(--spacing-lg)}.mr-1{margin-right:var(--spacing-xs)}.mr-2{margin-right:var(--spacing-sm)}.mr-3{margin-right:var(--spacing-md)}.mr-4{margin-right:var(--spacing-lg)}.p-1{padding:var(--spacing-xs)}.p-2{padding:var(--spacing-sm)}.p-3{padding:var(--spacing-md)}.p-4{padding:var(--spacing-lg)}.p-5{padding:var(--spacing-xl)}.card{background-color:#fff;border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);padding:var(--spacing-lg);transition:all var(--transition-normal);border:1px solid var(--border-color)}.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.section-title{position:relative;text-align:center;margin-bottom:var(--spacing-xl)}.section-title h2{color:var(--text-color);font-size:36px;font-weight:700;margin-bottom:var(--spacing-md)}.section-title .section-line{width:100px;height:3px;background-color:var(--accent-color);margin:0 auto}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;color:#333;background-color:#f5f5f5}#app{width:100%;min-height:100vh}