.visual-lesson{margin:24px 0;padding:clamp(18px,3vw,34px);border:2px solid #e7e0ff;border-radius:28px;background:linear-gradient(135deg,#fffdf5,#f7f3ff);box-shadow:0 14px 35px #5b43b212}.visual-title{text-align:center;margin-bottom:22px}.visual-title span{color:#6f55df;font-weight:900;letter-spacing:.08em}.visual-title h2{font-size:clamp(25px,4vw,38px);margin:6px 0}.visual-title p{margin:0;color:#6f6983}.picture-equation,.word-builder,.place-value,.story-strip,.speech-scene{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}.picture-equation{font-size:34px}.object-group{display:flex;gap:8px;padding:14px 18px;background:#fff;border-radius:20px;box-shadow:0 5px 18px #3e2b7a12}.object-group span{font-size:clamp(34px,6vw,58px)}.object-group.faded{opacity:.45;text-decoration:line-through 5px #f25f71}.picture-equation strong{font-size:54px;color:#6f55df}.visual-instruction{text-align:center;font-weight:800;font-size:20px;margin:18px auto 0}.number-track{display:grid;grid-template-columns:repeat(11,1fr);gap:5px;margin-top:20px}.number-track span{display:grid;place-items:center;aspect-ratio:1;border-radius:12px;background:#fff;border:2px solid #ded4ff;font-size:20px;font-weight:900}.ten-frame{display:grid;grid-template-columns:repeat(5,58px);justify-content:center;gap:7px;margin:20px auto}.ten-frame span{height:58px;border:2px solid #b9a9ef;border-radius:10px;display:grid;place-items:center;font-size:38px;color:#ff706e;background:#fff}.shape-board,.life-board,.picture-words{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.shape-board>div,.life-board>div,.picture-words>div{min-height:140px;background:#fff;border:2px solid #e8e3f5;border-radius:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center}.shape{display:block;width:64px;height:64px;background:#ffca55}.shape.circle{border-radius:50%;background:#ff7474}.shape.square{background:#65c9ff}.shape.rectangle{width:88px;height:58px;background:#85dc9b}.shape.triangle{width:0;height:0;background:transparent;border-left:38px solid transparent;border-right:38px solid transparent;border-bottom:68px solid #9a7cf0}.life-board span,.picture-words span,.story-strip span,.speech-scene>span{font-size:52px}.place-value>div{min-width:150px;padding:18px;border-radius:22px;text-align:center;background:#fff;border:2px solid #dfd4ff}.place-value small,.place-value span{display:block}.place-value strong{font-size:48px;color:#6f55df}.letter-card,.syllable-card{min-width:86px;padding:18px;border-radius:20px;text-align:center;font-size:52px;font-weight:900;background:#bce9ff}.letter-card.vowel{background:#ffd4dc}.syllable-card{background:#fff0a8}.picture-words b{font-size:22px}.picture-words small{color:#686178}.sentence-puzzle{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin-top:20px}.sentence-puzzle span,.sentence-puzzle strong{padding:12px 17px;border-radius:14px;background:#fff;border:2px solid #ded4ff;font-size:22px}.story-strip>div,.speech-scene>div{padding:18px;border-radius:20px;background:#fff;text-align:center}.story-strip>div{display:flex;flex-direction:column}.speech-scene small{display:block;color:#6f6983}.lesson-reading{margin:22px 0;border:2px solid #eee9fb;border-radius:22px;background:#fff;overflow:hidden}.lesson-reading summary{padding:18px 22px;font-size:19px;font-weight:900;cursor:pointer;background:#faf8ff}.lesson-reading .lesson-content{margin:0;border:0;box-shadow:none}.english small{font-weight:700}@media(max-width:700px){.shape-board,.life-board,.picture-words{grid-template-columns:repeat(2,1fr)}.number-track{grid-template-columns:repeat(6,1fr)}.ten-frame{grid-template-columns:repeat(5,44px)}.ten-frame span{height:44px}.visual-lesson{border-radius:20px}.picture-equation{gap:8px}.object-group{padding:10px}.object-group span{font-size:32px}}