Summary: RemNote adds AI tutor and AI flashcards

Why It Matters: This change shows RemNote is adding new ways for students to learn and study.

What Changed:

• The main headline changed from "Join 1,000,000+ students adding an extra day to their weekend!" to "Trusted by 1,000,000+ students to get higher grades. The note taking tool that actually helps you learn."
• New sections were added about "Notes that Build Understanding," "Flashcards for Exam-Day Success," "Your Personal AI Tutor," and "A Knowledge-Base for Life."
• Specific features like "Handwritten Notes," "PDF & Slide Annotation," "Exam Scheduler," "Image Occlusion & More" for flashcards, "AI Flashcards & Quizzes," "Explanations on Your Cards," "AI Tutor Chat," and "Tables & Databases" were added.
• The "Also works offline >on all of your devices" section was rephrased and moved to be part of "A Knowledge-Base for Life" as "Desktop & Mobile Apps" and "Works Offline."
• The section "Unlock exclusive student-made materials for your exam" was removed.
• The call to action at the bottom changed from "Join 1,000,000+ students to get an extra day off each week!" to "Ready to get higher grades in less time?".