.dp-topic-hub{max-width:960px;margin:24px auto;padding:0 16px}.dp-card{background:#fff;border:1px solid #dcdcde;border-radius:10px;padding:24px;box-shadow:0 1px 3px rgba(0,0,0,.04)}.dp-title{margin:0 0 8px;font-size:28px;line-height:1.2}.dp-subtitle{margin:0 0 14px;color:#50575e}.dp-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;align-items:end}.dp-field{display:flex;flex-direction:column;gap:6px}.dp-field label{font-weight:600}.dp-field select{width:100%;min-height:42px;padding:8px 10px;border:1px solid #8c8f94;border-radius:6px;background:#fff}.dp-field select:disabled{background:#f6f7f7;color:#646970;cursor:not-allowed}.dp-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.dp-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;border:1px solid #2271b1;border-radius:6px;background:#fff;color:#2271b1;text-decoration:none;font-weight:600}.dp-btn-primary{background:#2271b1;color:#fff}.dp-error{padding:14px 16px;border-left:4px solid #d63638;background:#fcf0f1}.dp-copy{line-height:1.7}

.dp-topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#fff;border:1px solid #dcdcde;border-radius:14px;padding:16px 18px;margin:0 0 16px}.dp-brand{font-size:20px;font-weight:800}.dp-topnav{display:flex;gap:10px;flex-wrap:wrap}.dp-topbtn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 14px;border-radius:12px;border:1px solid #d7dbe7;background:#fff;color:#0d1b3e;text-decoration:none;font-weight:700}.dp-topbtn-active{background:#22c55e;border-color:#22c55e;color:#fff}.dp-helper{margin:-6px 0 18px;color:#50575e}

.dp-learning-meta{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}.dp-learning-chip{display:inline-flex;gap:6px;align-items:center;padding:6px 10px;border:1px solid #dcdcde;border-radius:999px;background:#f6f7f7;font-size:13px;line-height:1.4}.dp-learning-chip strong{font-weight:700}.dp-content-title{margin:4px 0 18px;font-size:22px;line-height:1.3}.dp-section{margin:18px 0 0;padding:18px;border:1px solid #dcdcde;border-radius:10px;background:#fff}.dp-section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.dp-section-title{margin:0;font-size:18px;line-height:1.3}.dp-section-toggle,.dp-tr-toggle{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 12px;border:1px solid #2271b1;border-radius:8px;background:#fff;color:#2271b1;font-weight:600;cursor:pointer}.dp-lang-block p:first-child{margin-top:0}.dp-lang-block p:last-child{margin-bottom:0}.dp-lang-block-tr{margin-top:12px;padding-top:12px;border-top:1px dashed #dcdcde;background:#fff8e1;border-radius:8px;padding:12px}.dp-subtopic-nav,.dp-resource-actions{margin-top:16px}.dp-section + .dp-section{margin-top:14px}.dp-learning-list{margin:0;padding-left:20px}.dp-learning-list li + li{margin-top:10px}.dp-learning-list-examples li{padding-left:2px}.dp-learning-list-notes li{list-style:disc}.dp-key-term{display:inline-block;padding:0 6px;border-radius:6px;background:#fff3cd;font-weight:700}.dp-section-body[hidden]{display:none}

.dp-section-games-bridge .dp-copy,.dp-section-diagnostics .dp-copy{margin-top:10px}.dp-section-diagnostics strong{font-weight:700}


.dp-section-intelligence{background:#f8fafc;border-color:#dbe4f0}.dp-intelligence-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.dp-intelligence-card{background:#fff;border:1px solid #dcdcde;border-radius:10px;padding:14px}.dp-intelligence-card .dp-section-head{margin-bottom:10px}.dp-intelligence-card .dp-section-title{font-size:16px}.dp-learning-list-hints li{list-style:disc}.dp-intelligence-card-focus-tip{border-left:4px solid #2271b1}.dp-intelligence-card-common-mistake{border-left:4px solid #d63638}.dp-intelligence-card-why-it-matters{border-left:4px solid #22c55e}.dp-intelligence-card-smart-hints{border-left:4px solid #D4AF37}