:root{--surface:#f5f5f7;--card-bg:#fff;--muted:#666;--brand:#0d6efd;--radius:12px;--shadow-sm:0 2px 6px rgba(0,0,0,0.05);--shadow-md:0 8px 24px rgba(0,0,0,0.08)}body{background:var(--surface);color:#1a1a1a;font-family:"Inter",system-ui,sans-serif;line-height:1.65}.post-card,.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .2s ease}.post-card:hover,.card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.card-img-top{max-width:650px;max-height:400px;align-self:center;box-shadow:var(--shadow-md);border-radius:3%}aside .card{background:#ffffffd9;backdrop-filter:blur(4px)}.tag-chip{background:#e8ebff;color:#3b57f5}select,input{background:#fff;border:1px solid #ddd;border-radius:8px}.blog-panel{background:#fff;border:1px solid rgba(0,0,0,0.08);border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,0.06);padding:24px}.sidebar-panel{background:#fff;border:1px solid rgba(0,0,0,0.08);border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,0.05);padding:20px}#postContentBody p,#postContentBody ul,#postContentBody ol,#postContentBody table{font-family:Inter-Regular,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Helvetica,Arial,sans-serif}#postContentBody blockquote p{font-style:italic;border:1px solid var(--primary);border-left-width:5px;padding:10px;margin:10px;box-shadow:var(--course-promition-box-shadow)}#postContentBody>ol,#postContentBody>ul{list-style:none;margin-left:20px}#postContentBody>ol>li,#postContentBody>ul>li{position:relative;padding-left:1.8em;margin-bottom:.3rem}#postContentBody>ol>li::before,#postContentBody>ul>li::before{content:"";position:absolute;left:-4px;top:2px;width:20px;height:20px;border-radius:50%;background-color:var(--primary);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");background-size:12px;background-repeat:no-repeat;background-position:center}