.ai-desc-container h2 { font-size: 22px; font-weight: 700; line-height: 1.4; margin: 0 0 20px 0; color: #333; clear: both; }
.ai-desc-container p { font-size: 15px; line-height: 1.6; margin: 0 0 16px 0; color: #333; }
.ai-desc-container img { max-width: 100%; height: auto; display: block; margin: 0 auto 20px auto; }
.ai-desc-container .section { padding: 32px 0; }
.ai-desc-container .section:nth-child(odd) { background-color: #ffffff; }
.ai-desc-container .section:nth-child(even) { background-color: #f8faff; }
.ai-desc-container .feature-list { margin: 24px 0; }
.ai-desc-container .feature-item { display: flex; align-items: flex-start; margin-bottom: 16px; }
.ai-desc-container .feature-icon { flex-shrink: 0; margin-top: 0.4em; margin-right: 12px; }
.ai-desc-container .feature-text { line-height: 1.6; margin: 0; padding: 0; color: #333; }
.ai-desc-container .section-title { position: relative; padding-left: 16px; }
.ai-desc-container .section-title::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 30px; height: 2px; background-color: #0066cc; }