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h1{font-size:32px}.kb-hero-subtitle{font-size:16px}.kb-layout{grid-template-columns:1fr}.kb-sidebar{position:static;margin-bottom:30px}.kb-featured-grid,.kb-articles-grid{grid-template-columns:1fr}.kb-article-modal{max-height:100vh;border-radius:0}.kb-article-modal-header{padding:16px}.kb-article-modal-header h2{font-size:22px}.kb-article-modal-body{padding:16px}.kb-helpful-buttons{flex-direction:column}.kb-helpful-btn{width:100%;justify-content:center}}