.course-intro{max-width:800px;color:var(--muted)}.course-book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0}.course-book{display:flex;flex-direction:column;gap:10px;align-items:flex-start;text-align:left;padding:24px;background:#fffdf7;border:1px solid var(--line);border-radius:14px;color:var(--ink)}.course-book.is-selected{border:2px solid var(--red);padding:23px;background:#faf0e7}.course-book-number{color:var(--red);font-weight:700;font-size:20px}.course-book strong{font-size:18px;line-height:1.6}.course-book>span:last-child{font-size:12px;color:var(--muted)}.course-toolbar,.course-audio-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:18px 0}.course-toolbar label{display:flex;align-items:center;gap:6px;font-size:13px}.course-toolbar select{max-width:190px}.course-toolbar select,.course-panel select{font:inherit;border:1px solid var(--line);border-radius:6px;padding:8px;background:#fffdf7;color:var(--ink)}.course-lesson-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0}.course-lesson{display:grid;grid-template-columns:60px 1fr;gap:3px 12px;text-align:left;border:1px solid var(--line);border-radius:10px;padding:16px;background:#fffdf7;color:var(--ink)}.course-lesson>span:first-child{grid-row:span 3;color:var(--red)}.course-lesson small{color:var(--muted)}.course-panel{padding:28px;border:1px solid var(--line);border-radius:16px;background:#fffdf7;scroll-margin-top:130px}.course-panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.course-panel-head h3{font-size:25px;margin:8px 0}.course-panel h4{font-size:18px;margin:24px 0 12px}.course-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0;border-bottom:1px solid var(--line);padding-bottom:15px}.course-tabs button{border:1px solid var(--line);background:transparent;border-radius:8px;padding:9px 16px;color:var(--ink)}.course-tabs .active{background:var(--red);color:white;border-color:var(--red)}.course-word-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.course-word{border:1px solid var(--line);border-radius:12px;padding:20px 14px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px}.course-icon{font-size:35px;line-height:1.5}.course-word strong{font:34px/1.5 serif;overflow-wrap:anywhere}.course-pin{display:block;color:var(--red);font-size:14px;line-height:1.8}.course-audio{border:1px solid #c8ceb9;border-radius:8px;background:var(--green);padding:8px 12px;color:var(--ink);font-size:14px}.course-note,.course-activity{border-radius:12px;padding:18px 22px;background:var(--green);margin:24px 0}.course-note h4,.course-activity h4{margin-top:0}.course-pattern{font:26px/1.8 serif}.course-phonics{display:flex;flex-wrap:wrap;gap:14px;font-size:22px;color:var(--red)}.course-examples{display:grid;gap:12px}.course-examples article{border-left:3px solid var(--red);padding:12px 18px;background:var(--paper)}.course-examples strong{display:block;font:25px/1.8 serif;overflow-wrap:anywhere}.course-flash{max-width:480px;margin:20px auto;display:flex;align-items:center;flex-direction:column;gap:16px;padding:24px;background:var(--green);border-radius:14px;text-align:center}.course-flash strong{font:48px/1.5 serif;overflow-wrap:anywhere;max-width:100%}.course-flash-nav{display:flex;gap:20px;margin-top:8px}.course-write-model{font:44px/1.7 serif;text-align:center;color:var(--red);overflow-wrap:anywhere}.course-canvas-wrap{margin:18px 0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background-color:white;background-image:linear-gradient(#dedfd3 1px,transparent 1px),linear-gradient(90deg,#dedfd3 1px,transparent 1px);background-size:80px 80px}.course-canvas-wrap canvas{display:block;width:100%;height:240px;touch-action:none}.course-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0}.course-options button{padding:18px;text-align:left;background:white;color:var(--ink);border:1px solid var(--line);border-radius:10px}.course-options .correct{border:2px solid #507345;background:#edf3e8}.course-options .incorrect{border:2px solid var(--red);background:#faece7}.course-options button:disabled{opacity:1}.course-question{font:32px/1.8 serif;overflow-wrap:anywhere}.course-result{padding:24px;background:var(--green);border-radius:12px}.course-result h4{margin-top:0}.course-score{font-size:30px;font-weight:700}.course-review{padding:18px 0;border-bottom:1px solid var(--line)}#course-course-head{margin-top:26px}#course-audio-status{min-height:20px}#course-books button:focus-visible{outline:3px solid var(--red);outline-offset:3px}@media(max-width:760px){.course-book-grid{grid-template-columns:1fr}.course-book{padding:20px}.course-book.is-selected{padding:19px}.course-panel{padding:18px;scroll-margin-top:150px}.course-word-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-lesson-list{grid-template-columns:1fr}.course-panel-head{flex-direction:column}.course-toolbar{align-items:flex-start}.course-toolbar select{max-width:160px}.course-options{grid-template-columns:1fr}.course-examples strong{font-size:23px}.course-tabs button{padding:9px 12px}.course-note,.course-activity{padding:16px}}@media(max-width:370px){.course-word-grid{grid-template-columns:1fr}.course-word strong{font-size:32px}.course-flash strong{font-size:38px}}

.course-book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.course-icon:empty{display:none}.course-word{gap:8px}@media(max-width:680px){.course-book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:380px){.course-book-grid{grid-template-columns:1fr}}
.course-book,.course-lesson strong,.course-word,.course-panel{min-width:0}.course-book strong,.course-lesson strong,.course-pin{overflow-wrap:anywhere}.course-lesson{grid-template-columns:60px minmax(0,1fr)}