.passage-card{max-width:900px;margin-inline:auto}
.passage-card .row{margin:12px 0}
.passage-editor{margin:16px 0;padding:14px;border:1px solid var(--line);border-radius:12px;background:#f9fbf8}
.passage-editor summary{font-weight:700;cursor:pointer}
.passage-editor label{display:block;margin:12px 0 5px;font-weight:700}
.passage-editor textarea{resize:vertical;min-height:130px}
.passage-section{padding:18px 0;border-bottom:1px solid var(--line)}
.passage-section h2{font-size:1rem;margin-bottom:10px}
.passage-paragraph{display:flex;align-items:center;align-content:flex-start;flex-wrap:wrap;gap:6px;line-height:1}
.passage-cell{width:clamp(78px,12vw,108px);height:clamp(95px,14vw,126px);flex:none;border:1px solid #bbd2ca;border-radius:7px;overflow:hidden;background:#fffdf7;container-type:inline-size;background-image:linear-gradient(#e4ece8 1px,transparent 1px),linear-gradient(90deg,#e4ece8 1px,transparent 1px);background-size:50% 50%}
.passage-cell .copy-model,.passage-cell .hanzi-guide,.passage-cell .passage-pad{position:absolute;left:0;top:0;width:100%;height:calc(100% - 24px);bottom:auto}
.passage-cell .copy-model{display:grid;place-items:center;font-size:82cqw;line-height:1;z-index:0;color:#acc5bb}
.passage-cell .hanzi-guide{z-index:0}
.passage-cell .passage-pad{z-index:1;touch-action:none}
.passage-cell .coach-step{left:2px;right:2px;bottom:2px;text-align:center;font-size:.6rem;padding:2px 1px;line-height:1.05}
.passage-punctuation{align-self:flex-end;font-size:2rem;min-width:1.2rem;margin-bottom:24px;text-align:center}
.passage-parent details{margin:10px 0;padding:10px;border:1px solid var(--line);border-radius:10px}
.passage-parent summary{cursor:pointer;font-weight:700}
.passage-review{margin:12px 0 18px}
.passage-review-cell{width:68px;height:68px;background:#fffdf7;border:1px solid var(--line);flex:none}
.passage-review .passage-punctuation{font-size:1.5rem;margin-bottom:4px}
@media(max-width:620px){.passage-cell{width:clamp(70px,22vw,92px);height:clamp(88px,27vw,108px)}.passage-paragraph{gap:4px}.passage-punctuation{font-size:1.5rem}}