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@media(max-width:1100px){.header nav{gap:17px;font-size:9px}.header-actions{gap:14px}.header-actions>.button{padding:14px;font-size:8px}.page-hero{gap:4%}.page-hero h1{font-size:95px}.study-art{grid-template-columns:48% 52%}.lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.shop-category-grid{grid-template-columns:repeat(3,1fr)}.shop-category{min-height:135px}}
@media(max-width:850px){.header-actions>.button{display:none}.page-hero h1{font-size:83px}.page-hero{padding:50px 5.3%;gap:30px}.vault-art{min-height:365px}.study-panel{padding:20px}.study-art{display:block}.study-diagram .glass-diagram{height:170px;margin:auto}.study-art h3{font-size:30px}.study-art p{font-size:11px;max-width:340px;margin-bottom:18px}.study-foot span{max-width:110px;text-align:right}.lesson-toolbar{align-items:flex-start}.record-grid article{padding:25px 18px}}
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.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}select:focus-visible{outline:3px solid var(--pink);outline-offset:4px}
@media(prefers-reduced-motion:reduce){.animated .diagram-flow{animation:none}}

.rig-category-icon{width:32px;height:32px;color:var(--pink)}