每一条成语都是一枚浓缩了古典文学的小小胶囊，凝练为四个汉字——可按读音与字形检索，可在三种文字间对照阅读，并能沿着 384 维嵌入向量所揭示的语义亲缘关系自由游走。
核心详情页——三语名称、读音、详尽释义、出处、例句，以及基于余弦相似度的“相似推荐”栏。
A–Z pinyin + 注音 zhuyin directories — click a letter, see its entries.
The visually-rhythmic minority — AABB 疊字, ABAC, ABCB… ~1,800 idioms by shape.
Faceted browse on the 7 semantic-tag families — animals, war, excess, moral lessons.
The literary deep-dive — narrative story, classical text with glosses, ctext.org links.
Spaced-repetition (FSRS). Front: idiom + pinyin. Back: meaning + example.
Guess-the-idiom from a 謎語 or 歇後語. Antonyms and synonyms double as tight distractors.
A force-directed map of semantic neighbours — drift idiom to idiom through embedding space.