* { box-sizing: border-box; } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.7; color: #2c3e50; margin: 0; padding: 0; background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%); min-height: 100vh; } .container { max-width: 1000px; margin: 0 auto; background: #ffffff; box-shadow: 0 10px 40px rgba(0,0,0,0.1); border-radius: 12px; overflow: hidden; margin-top: 30px; margin-bottom: 30px; } .header { background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%); color: white; padding: 40px 30px; text-align: center; } .content { padding: 40px 30px; } h1 { margin: 0; font-size: 2.2rem; font-weight: 300; letter-spacing: -0.5px; text-shadow: 0 2px 4px rgba(0,0,0,0.3); } .subtitle { margin-top: 15px; font-size: 1.1rem; opacity: 0.9; font-weight: 300; } h2 { color: #2c3e50; font-size: 1.
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