Agent Guidelines

This is a static website using plain HTML, CSS, and JavaScript.

Rules

Always fulfill the following rules unless explicitly requested by the user to do otherwise:

DO NOT introduce frameworks (React, Vue, build tools, etc.)
DO NOT change the project structure
ONLY edit plain .html, .css, and .js files
Keep the current folder structure: index.html, assets/css/, assets/js/, assets/images/
DO NOT edit the README or add any other implementation summary markdown.