.page-module__UO3DQq__lessonPage{background:var(--bg-base);min-height:100vh;color:var(--text-primary);padding-top:100px}.page-module__UO3DQq__container{max-width:900px;margin:0 auto;padding:40px 20px 100px}.page-module__UO3DQq__backLink{color:var(--primary-light);align-items:center;gap:8px;margin-bottom:30px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.page-module__UO3DQq__backLink:hover{color:var(--primary);transform:translate(-5px)}.page-module__UO3DQq__header{margin-bottom:50px}.page-module__UO3DQq__title{background:linear-gradient(to bottom right, var(--text-primary), var(--text-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:16px;font-size:clamp(2.5rem,5vw,3.5rem);font-weight:800;line-height:1.2}.page-module__UO3DQq__lessonContent{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-glass);color:var(--text-secondary);border-radius:24px;padding:40px;font-size:1.125rem}.page-module__UO3DQq__lessonContent h3{color:var(--text-primary);margin:40px 0 20px;font-size:1.75rem}.page-module__UO3DQq__lessonContent h4{color:var(--text-accent);margin:30px 0 15px;font-size:1.25rem}.page-module__UO3DQq__lessonContent p{margin-bottom:20px}.page-module__UO3DQq__lessonContent ul,.page-module__UO3DQq__lessonContent ol{margin:20px 0 30px 20px}.page-module__UO3DQq__lessonContent li{margin-bottom:12px}.page-module__UO3DQq__tipBox{border:1px solid var(--border-accent);background:linear-gradient(135deg,#06b6d41a,#6366f11a);border-radius:20px;align-items:flex-start;gap:20px;margin-top:50px;padding:30px;display:flex}.page-module__UO3DQq__tipIcon{font-size:2rem}.page-module__UO3DQq__tipTitle{color:var(--accent);margin-bottom:8px;font-weight:700;display:block}.page-module__UO3DQq__tipText{color:var(--text-primary);font-style:italic}.page-module__UO3DQq__lessonContent table{border-collapse:collapse;background:var(--bg-surface);border:1px solid var(--border-glass);border-radius:12px;width:100%;margin:30px 0;overflow:hidden}.page-module__UO3DQq__lessonContent th{background:var(--bg-glass-hover);color:var(--text-primary);text-align:left;border-bottom:2px solid var(--border-glass);padding:16px;font-weight:700}.page-module__UO3DQq__lessonContent td{border-bottom:1px solid var(--border-glass);color:var(--text-secondary);padding:16px}.page-module__UO3DQq__lessonContent tr:last-child td{border-bottom:none}@media (max-width:640px){.page-module__UO3DQq__lessonContent{padding:24px}}