:root{--color-primary: #682AD5;--color-accent: #00D4CC;--color-bg: #F4F5F7;--color-card: #FFFFFF;--color-text: #1C293B;--color-text-muted: #6B7280;--color-link: #682AD5;--color-badge-bg: #000000;--color-badge-text: #FFFFFF;--radius-card: 5px;--radius-pill: 999px;--radius-btn: 8px;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--max-width: 1080px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--color-link);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.site-header{background:var(--color-primary);padding:18px 0 30px}.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 20px}.search-bar{max-width:560px;margin:0 auto;position:relative}.search-bar 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h2{margin-bottom:8px}@media(max-width:767px){.category-grid{grid-template-columns:1fr}.article-layout{flex-direction:column}.article-sidebar{width:100%;position:static;order:1;margin-top:20px;margin-bottom:0}.category-page-layout{flex-direction:column}.category-nav-sidebar{display:none}.footer-cta{flex-direction:column;text-align:center;gap:16px}}