.stage-list{display:grid;gap:14px;margin-top:30px;max-width:680px}.stage-card{border:1px solid var(--line);border-radius:16px;background:var(--card);padding:22px;text-align:left;cursor:pointer;color:var(--ink);transition:transform .15s,border-color .15s}.stage-card:hover{transform:translateY(-2px);border-color:var(--green)}.stage-card span{display:block;color:var(--green);font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em}.stage-card strong{font-size:1.25rem;display:block;margin-top:3px}.lesson-choice.learned{background:#dff0da;border-color:#4b976d}.lesson-choice.learned strong{color:#124a37}.lesson-detail{font-size:1.05rem;line-height:1.7}.range{background:#f0f4e7;padding:12px;border-radius:9px}.course-category{margin-top:32px}@media(max-width:620px){.stage-card{padding:18px}}