body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; max-width: 2700px; margin: 0 auto; padding: 20px; color: #333; background: #fafafa; } .content { padding: 2rem; } .intro { font-size: 1.1rem; color: #555; background: #f8f9fa; padding: 2rem; border-radius: 8px; margin-bottom: 2rem; border-left: 4px solid #0078d4; } .section { margin: 3rem 0; } .section h2 { color: #0078d4; font-size: 2rem; margin-bottom: 1rem; border-bottom: 2px solid #e1e1e1; padding-bottom: 0.5rem; } .section h3 { color: #323130; margin-top: 2rem; font-size: 1.4rem; margin-bottom: 1rem; } .highlight-box { background: linear-gradient(135deg, #e1f5fe, #f0f9ff); border: 1px solid #0078d4; border-radius: 8px; padding: 1.5rem; margin: 1.5rem 0; position: relative; } .highlight-box::before { content: ; position: absolute; top: -10px; left: 20px; background: white; padding: 0 10px; font-size: 1.2rem; } .tech-detail { background: #fff; border: 1px solid #e1e1e1; border-radius: 8px; padding: 1.5rem; margin: 1.5rem 0; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05); } .feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin: 2rem 0; } .feature-card { background: #f8f9fa;