body {font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;margin: 0;padding: 0;line-height: 1.6;color: #333;background-color: #f9f9f9;}header, section, footer {max-width: 900px;margin: 2rem auto;padding: 0 1rem;}header {text-align: center;margin-bottom: 3rem;}h1 {font-size: 2.2rem;margin-bottom: 0.5rem;}h2 {color: #2c3e50;border-bottom: 2px solid #ddd;padding-bottom: 0.4rem;}ul {margin-left: 1.2rem;}blockquote {font-style: italic;color: #555;margin: 1rem 0;padding: 0.5rem 1rem;border-left: 4px solid #aaa;background-color: #fff;}.highlight {background-color: #e0f7fa;padding: 1rem;border-radius: 5px;margin: 1.5rem 0;}footer {text-align: center;font-size: 0.9rem;color: #777;margin-top: 4rem;padding-bottom: 2rem;}.cireltech-style1 {text-align: center;margin: 2rem 0;overflow-x: auto;}.cireltech-style2 {text-align:center;font-size:14px;color:#555;}img {max-width: 100%;height: auto;display: block;}.cireltech-style3 {max-width: 500px !important;display: block !important;margin-left: auto !important;margin-right: auto !important;width: 50% !important;}.row {display: flex;flex-wrap: wrap;gap: 1rem;}.column {flex: 1 1 45%;}@media (max-width: 768px) {.column {flex: 1 1 100%;}}