* margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; body background-color: #f9f9f9; color: #333; line-height: 1.6; .container max-width: 1200px; margin: 0 auto; padding: 20px; header background: linear-gradient(135deg, #6a11cb 0%, #2575fc 1