body{font-family:Noto Sans TC,Roboto,sans-serif;background-color:#f9fafb;color:#333;line-height:1.8;margin:0;padding:0}.course-container{max-width:800px;margin:40px auto;padding:20px;background-color:#fff;border-radius:20px;box-shadow:0 4px 12px #0000000d}.section-spacing{margin-bottom:48px}.course-banner{width:100%;margin-bottom:32px}.footer-button-container{text-align:center;margin-top:40px}.strong-text{font-weight:700}