/* 只影響 wordbook 模組的內嵌內容 */
.wb-embed, .wb-embed * { max-width: 100%; box-sizing: border-box; }
.wb-embed img, .wb-embed video, .wb-embed iframe { max-width: 100%; height: auto; }
.wb-embed table { display: block; max-width: 100%; overflow-x: auto; }
.wb-embed pre, .wb-embed code { white-space: pre-wrap; word-wrap: break-word; }
.wb-embed, .wb-embed a { word-break: break-word; overflow-wrap: anywhere; }

/* 讓標頭列不要把版面撐爆 */
#moduleheader { width: 100%; table-layout: fixed; }
#moduleheader .leftheader, #moduleheader .rightheader { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 內嵌卡片的基礎樣式（若樣板沒寫 inline style 就用這個） */
.embedded-book { border: 1px solid #ddd; padding: 12px; border-radius: 8px; margin: 10px 0; }