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README.md

@@ -582,9 +582,8 @@ Each scene includes multiple camera viewpoints to support 3D perception, reconst
 
 Note: Camera IDs are not fixed across cases. The camera index mapping for each case is stored in `static_camera_list.txt` under that case directory.
 
-<h5 id="camera-json-structure" style="font-size: 1.02em; margin-top: 0.55em; margin-bottom: 0.12em; line-height: 1.16; font-weight: 700; margin-left: 48px;"><span style="display: inline-block; width: 1.02em;">&#9702;</span>Camera JSON structure</h5>
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-<div style="margin-left: 64px;">
+<details>
+<summary><strong>Camera JSON structure</strong></summary>
 
 Per camera:
 
@@ -594,15 +593,16 @@ Per camera:
 - `trajectory_name`: name of the camera trajectory
 - `total_frames`, `fps`: number of frames and frames per second
 
-</div>
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-<h5 id="dynamic-camera-behavior" style="font-size: 1.02em; margin-top: 0.55em; margin-bottom: 0.12em; line-height: 1.16; font-weight: 700; margin-left: 48px;"><span style="display: inline-block; width: 1.02em;">&#9702;</span>Dynamic camera behavior</h5>
+</details>
 
-<div style="margin-left: 64px;">
+<details>
+<summary><strong>Dynamic camera behavior</strong></summary>
 
 - The dynamic camera moves along a path randomly sampled on a hemisphere surrounding the center of the main objects, providing diverse viewpoints.
 - JSON frame indices correspond directly to video frame indices.
 
+</details>
+
 </div>
 
 </div>