.kDnTNa_container{max-width:1260px;color:var(--text-primary,#f8fafc);box-sizing:border-box;margin:0 auto;padding:32px 28px 80px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.7}.kDnTNa_breadcrumb{color:var(--text-secondary,#94a3b8);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:24px;font-size:.85rem;display:flex}.kDnTNa_breadLink{color:#38bdf8;align-items:center;gap:5px;font-weight:600;text-decoration:none;transition:color .15s;display:inline-flex}.kDnTNa_breadLink:hover{color:#7dd3fc;text-decoration:underline}.kDnTNa_breadSep{color:#ffffff40}.kDnTNa_breadCurrent{color:var(--text-primary,#f8fafc);font-weight:600}.kDnTNa_hero{box-sizing:border-box;background:linear-gradient(135deg,#6366f138 0%,#38bdf829 50%,#10b9811a 100%);border:1.5px solid #6366f161;border-radius:24px;margin-bottom:36px;padding:38px 40px;position:relative;overflow:hidden;box-shadow:0 16px 40px #0006}.kDnTNa_hero:before{content:"";pointer-events:none;background:radial-gradient(circle,#6366f140 0%,#0000 70%);width:320px;height:320px;position:absolute;top:-60px;right:-60px}.kDnTNa_badge{text-transform:uppercase;letter-spacing:.05em;color:#818cf8;background:#6366f126;border:1px solid #6366f159;border-radius:20px;align-items:center;gap:6px;margin-bottom:16px;padding:6px 14px;font-size:.78rem;font-weight:700;display:inline-flex}.kDnTNa_title{color:#fff;letter-spacing:-.02em;margin:0 0 14px;font-size:2.35rem;font-weight:900;line-height:1.25}.kDnTNa_subtitle{color:#cbd5e1;max-width:980px;margin:0 0 22px;font-size:1.08rem;line-height:1.68}.kDnTNa_metaBar{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0706118c;border:1px solid #ffffff14;border-radius:14px;flex-wrap:wrap;gap:16px;margin-top:18px;padding:14px 20px;display:flex}.kDnTNa_metaItem{color:#94a3b8;align-items:center;gap:6px;font-size:.88rem;display:flex}.kDnTNa_metaItem strong{color:#f1f5f9}.kDnTNa_toc{box-sizing:border-box;background:#110f24;border:1px solid #ffffff14;border-radius:20px;margin-bottom:36px;padding:26px 30px}.kDnTNa_tocTitle{color:#f1f5f9;align-items:center;gap:8px;margin:0 0 18px;font-size:1.1rem;font-weight:800;display:flex}.kDnTNa_tocGrid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px 16px;display:grid}.kDnTNa_tocLink{color:#94a3b8;border-radius:6px;align-items:center;gap:8px;padding:5px 8px;font-size:.88rem;text-decoration:none;transition:all .15s;display:inline-flex}.kDnTNa_tocLink:hover{color:#818cf8;background:#6366f11a;transform:translate(3px)}.kDnTNa_tocNum{color:#cbd5e1;background:#ffffff12;border-radius:10px;padding:2px 7px;font-size:.76rem;font-weight:700}.kDnTNa_section{box-sizing:border-box;background:#0f111a;border:1px solid #ffffff12;border-radius:22px;margin-bottom:40px;padding:38px 40px;scroll-margin-top:24px;box-shadow:0 10px 30px #00000059}.kDnTNa_sectionHeader{border-bottom:1px solid #ffffff14;align-items:flex-start;gap:18px;margin-bottom:26px;padding-bottom:20px;display:flex}.kDnTNa_sectionNumber{color:#fff;background:linear-gradient(135deg,#6366f1,#38bdf8);border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.15rem;font-weight:900;display:flex;box-shadow:0 6px 16px #6366f159}.kDnTNa_sectionHeaderContent{flex:1}.kDnTNa_sectionTitle{color:#fff;letter-spacing:-.01em;margin:0 0 6px;font-size:1.6rem;font-weight:800}.kDnTNa_sectionSubtitle{color:#94a3b8;margin:0;font-size:.95rem;line-height:1.55}.kDnTNa_prose{color:#cbd5e1;margin-bottom:20px;font-size:1rem;line-height:1.75}.kDnTNa_prose strong{color:#f8fafc}.kDnTNa_prose code{color:#a5b4fc;background:#6366f126;border-radius:4px;padding:2px 6px;font-family:JetBrains Mono,Consolas,Monaco,monospace;font-size:.88em}.kDnTNa_calloutBox{border-left:4px solid;border-radius:14px;margin:22px 0;padding:20px 24px;font-size:.94rem;line-height:1.65}.kDnTNa_calloutTip{color:#e2e8f0;background:#10b98114;border-color:#10b98133 #10b98133 #10b98133 #10b981;border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;border-right-style:solid;border-right-width:1px}.kDnTNa_calloutWarning{color:#fef3c7;background:#f59e0b17;border-color:#f59e0b33 #f59e0b33 #f59e0b33 #f59e0b;border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;border-right-style:solid;border-right-width:1px}.kDnTNa_calloutDanger{color:#fee2e2;background:#ef444417;border-color:#ef444433 #ef444433 #ef444433 #ef4444;border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;border-right-style:solid;border-right-width:1px}.kDnTNa_calloutTitle{align-items:center;gap:8px;margin-bottom:6px;font-size:.98rem;font-weight:700;display:flex}.kDnTNa_calloutTip .kDnTNa_calloutTitle{color:#34d399}.kDnTNa_calloutWarning .kDnTNa_calloutTitle{color:#fbbf24}.kDnTNa_calloutDanger .kDnTNa_calloutTitle{color:#f87171}.kDnTNa_codeBlock{background:#080911;border:1px solid #ffffff1a;border-radius:14px;margin:22px 0;overflow:hidden;box-shadow:0 6px 20px #0006}.kDnTNa_codeHeader{background:#111322;border-bottom:1px solid #ffffff12;justify-content:space-between;align-items:center;padding:10px 18px;display:flex}.kDnTNa_codeLang{color:#818cf8;text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:6px;font-size:.78rem;font-weight:700;display:flex}.kDnTNa_copyBtn{color:#cbd5e1;cursor:pointer;background:#ffffff0f;border:1px solid #ffffff1f;border-radius:6px;align-items:center;gap:5px;padding:4px 10px;font-size:.78rem;transition:all .15s;display:inline-flex}.kDnTNa_copyBtn:hover{color:#fff;background:#6366f133;border-color:#6366f166}.kDnTNa_codePre{color:#e2e8f0;margin:0;padding:18px 20px;font-family:JetBrains Mono,Consolas,Monaco,monospace;font-size:.88rem;line-height:1.6;overflow-x:auto}.kDnTNa_tableContainer{border:1px solid #ffffff14;border-radius:14px;margin:24px 0;overflow-x:auto;box-shadow:0 6px 18px #00000040}.kDnTNa_staticTable{border-collapse:collapse;text-align:left;background:#0c0d18;width:100%;font-size:.92rem}.kDnTNa_staticTable th{color:#f1f5f9;white-space:nowrap;background:#14172a;border-bottom:2px solid #6366f159;padding:14px 18px;font-weight:700}.kDnTNa_staticTable td{color:#cbd5e1;vertical-align:top;border-bottom:1px solid #ffffff0f;padding:13px 18px}.kDnTNa_staticTable tr:last-child td{border-bottom:none}.kDnTNa_staticTable tr:hover td{background:#ffffff05}.kDnTNa_diagramCard{background:#080912;border:1.5px solid #6366f140;border-radius:18px;margin:24px 0;padding:24px 28px;box-shadow:0 10px 24px #0000004d}.kDnTNa_diagramTitle{color:#fff;align-items:center;gap:8px;margin:0 0 14px;font-size:1rem;font-weight:800;display:flex}.kDnTNa_diagramGrid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:16px;display:grid}.kDnTNa_diagramBox{text-align:center;background:#121424;border:1px solid #ffffff14;border-radius:12px;padding:16px;transition:transform .2s}.kDnTNa_diagramBox:hover{border-color:#6366f166;transform:translateY(-2px)}.kDnTNa_diagramBoxTitle{color:#38bdf8;margin-bottom:6px;font-size:.92rem;font-weight:700}.kDnTNa_diagramBoxDesc{color:#94a3b8;font-size:.82rem;line-height:1.5}.kDnTNa_cardGrid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:24px 0;display:grid}.kDnTNa_featureCard{background:#111322;border:1px solid #ffffff12;border-radius:14px;padding:20px;transition:all .2s}.kDnTNa_featureCard:hover{background:#15182a;border-color:#6366f159}.kDnTNa_featureIcon{color:#818cf8;background:#6366f126;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;margin-bottom:12px;display:flex}.kDnTNa_featureTitle{color:#fff;margin:0 0 6px;font-size:1rem;font-weight:700}.kDnTNa_featureDesc{color:#94a3b8;margin:0;font-size:.88rem;line-height:1.55}.kDnTNa_labCard{background:#080914;border:2px solid #6366f161;border-radius:20px;margin:28px 0;padding:30px;box-shadow:0 12px 35px #00000073}.kDnTNa_labHeader{border-bottom:1px solid #ffffff14;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;padding-bottom:16px;display:flex}.kDnTNa_labBadge{color:#10b981;text-transform:uppercase;background:#10b98126;border:1px solid #10b98159;border-radius:16px;align-items:center;gap:6px;padding:5px 12px;font-size:.78rem;font-weight:800;display:inline-flex}.kDnTNa_labTitle{color:#fff;margin:0;font-size:1.35rem;font-weight:800}.kDnTNa_labControls{background:#111322;border:1px solid #ffffff0f;border-radius:14px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:22px;padding:18px 20px;display:grid}.kDnTNa_controlGroup{flex-direction:column;gap:6px;display:flex}.kDnTNa_controlLabel{color:#94a3b8;text-transform:uppercase;letter-spacing:.04em;font-size:.8rem;font-weight:700}.kDnTNa_controlSelect,.kDnTNa_controlInput{color:#fff;background:#1a1e36;border:1px solid #ffffff1f;border-radius:8px;outline:none;padding:8px 12px;font-size:.88rem;transition:border-color .15s}.kDnTNa_controlSelect:focus,.kDnTNa_controlInput:focus{border-color:#6366f1}.kDnTNa_rangeSlider{accent-color:#6366f1;cursor:pointer;width:100%}.kDnTNa_presetRow{flex-wrap:wrap;gap:8px;margin-bottom:18px;display:flex}.kDnTNa_presetBtn{color:#cbd5e1;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;padding:6px 14px;font-size:.82rem;font-weight:600;transition:all .15s}.kDnTNa_presetBtn:hover{color:#fff;background:#6366f133;border-color:#6366f166}.kDnTNa_presetBtnActive{color:#fff;background:#6366f1;border-color:#818cf8;font-weight:700}.kDnTNa_chartBox{background:#090a14;border:1px solid #ffffff14;border-radius:14px;flex-direction:column;align-items:center;margin-bottom:22px;padding:24px;display:flex;position:relative}.kDnTNa_svgChart{width:100%;max-width:880px;height:auto;overflow:visible}.kDnTNa_metricsBar{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;width:100%;margin-top:18px;display:grid}.kDnTNa_metricCard{text-align:center;background:#111424;border:1px solid #ffffff0f;border-radius:10px;padding:12px 14px}.kDnTNa_metricKey{color:#94a3b8;text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px;font-size:.74rem}.kDnTNa_metricVal{color:#38bdf8;font-size:1.18rem;font-weight:800}.kDnTNa_practiceBox{background:#0c0e1c;border:1px solid #ffffff17;border-radius:16px;margin:22px 0;padding:24px}.kDnTNa_practicePrompt{color:#f1f5f9;margin-bottom:14px;font-size:.96rem;line-height:1.6}.kDnTNa_practicePrompt strong{color:#38bdf8}.kDnTNa_schemaPreview{color:#94a3b8;background:#070810;border:1px dashed #ffffff26;border-radius:10px;margin-bottom:14px;padding:10px 14px;font-family:JetBrains Mono,Consolas,monospace;font-size:.82rem}.kDnTNa_editorTextarea{color:#f8fafc;box-sizing:border-box;resize:vertical;background:#05060b;border:1.5px solid #6366f159;border-radius:10px;outline:none;width:100%;min-height:120px;padding:14px;font-family:JetBrains Mono,Consolas,Monaco,monospace;font-size:.9rem;line-height:1.55;transition:border-color .15s}.kDnTNa_editorTextarea:focus{border-color:#818cf8;box-shadow:0 0 10px #6366f14d}.kDnTNa_editorTextarea::placeholder{color:#475569;font-style:italic}.kDnTNa_actionButtons{flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;display:flex}.kDnTNa_btnPrimary{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#4f46e5);border:none;border-radius:8px;align-items:center;gap:6px;padding:8px 18px;font-size:.86rem;font-weight:700;transition:all .15s;display:inline-flex}.kDnTNa_btnPrimary:hover{background:linear-gradient(135deg,#818cf8,#6366f1);transform:translateY(-1px)}.kDnTNa_btnSecondary{color:#cbd5e1;cursor:pointer;background:#ffffff0f;border:1px solid #ffffff1f;border-radius:8px;align-items:center;gap:6px;padding:8px 14px;font-size:.86rem;font-weight:600;transition:all .15s;display:inline-flex}.kDnTNa_btnSecondary:hover{color:#fff;background:#ffffff1a}.kDnTNa_btnOutline{color:#94a3b8;cursor:pointer;background:0 0;border:1px dashed #fff3;border-radius:8px;padding:6px 12px;font-size:.82rem;transition:all .15s}.kDnTNa_btnOutline:hover{color:#818cf8;border-color:#818cf8}.kDnTNa_feedbackBanner{border-radius:10px;align-items:flex-start;gap:10px;margin-top:14px;padding:12px 16px;font-size:.9rem;line-height:1.55;display:flex}.kDnTNa_feedbackSuccess{color:#34d399;background:#10b9811f;border:1px solid #10b98159}.kDnTNa_feedbackError{color:#f87171;background:#ef44441f;border:1px solid #ef444459}.kDnTNa_hintBox{color:#fef3c7;background:#f59e0b14;border:1px dashed #f59e0b4d;border-radius:10px;margin-top:12px;padding:12px 16px;font-size:.88rem}.kDnTNa_solutionBox{color:#c7d2fe;background:#6366f11a;border:1px solid #6366f14d;border-radius:10px;margin-top:12px;padding:14px 16px;font-size:.88rem}.kDnTNa_quizCard{background:#0d0f1e;border:1px solid #ffffff14;border-radius:20px;margin:32px 0;padding:32px;box-shadow:0 10px 30px #0006}.kDnTNa_quizProgress{color:#94a3b8;border-bottom:1px solid #ffffff14;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:14px;font-size:.88rem;display:flex}.kDnTNa_quizScoreBadge{color:#818cf8;background:#6366f12e;border-radius:12px;padding:4px 12px;font-size:.82rem;font-weight:700}.kDnTNa_questionItem{border-bottom:1px solid #ffffff0f;margin-bottom:30px;padding-bottom:24px}.kDnTNa_questionItem:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.kDnTNa_questionTitle{color:#fff;margin-bottom:14px;font-size:1.05rem;font-weight:700;line-height:1.5}.kDnTNa_optionsList{flex-direction:column;gap:10px;display:flex}.kDnTNa_optionBtn{text-align:left;color:#cbd5e1;cursor:pointer;background:#13162a;border:1px solid #ffffff14;border-radius:10px;padding:12px 16px;font-size:.92rem;line-height:1.5;transition:all .15s}.kDnTNa_optionBtn:hover:not(:disabled){color:#fff;background:#6366f126;border-color:#6366f166}.kDnTNa_optionCorrect{font-weight:600;color:#34d399!important;background:#10b9812e!important;border-color:#10b981!important}.kDnTNa_optionWrong{color:#f87171!important;background:#ef44442e!important;border-color:#ef4444!important}.kDnTNa_explanationBox{color:#cbd5e1;background:#090b16;border-left:3px solid #818cf8;border-radius:8px;margin-top:12px;padding:12px 16px;font-size:.88rem;line-height:1.55}.kDnTNa_checklistCard{background:#101222;border:1px solid #ffffff14;border-radius:18px;margin:28px 0;padding:26px 30px}.kDnTNa_checklistGrid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px 18px;margin-top:16px;display:grid}.kDnTNa_checklistItem{color:#cbd5e1;align-items:flex-start;gap:10px;font-size:.92rem;display:flex}.kDnTNa_checkIcon{color:#10b981;flex-shrink:0;margin-top:3px}.kDnTNa_footerNav{border-top:1px solid #ffffff14;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;margin-top:50px;padding-top:30px;display:flex}.kDnTNa_navLinkPrev,.kDnTNa_navLinkNext{color:#f1f5f9;background:#111426;border:1px solid #ffffff14;border-radius:14px;flex:1;align-items:center;gap:14px;min-width:240px;padding:18px 24px;text-decoration:none;transition:all .2s;display:flex}.kDnTNa_navLinkPrev:hover,.kDnTNa_navLinkNext:hover{background:#171b33;border-color:#6366f166;transform:translateY(-2px);box-shadow:0 8px 24px #00000059}.kDnTNa_navDir{text-transform:uppercase;color:#818cf8;letter-spacing:.05em;margin-bottom:2px;font-size:.76rem;font-weight:700}.kDnTNa_navTitle{color:#fff;font-size:1rem;font-weight:700}@media (max-width:768px){.kDnTNa_container{padding:20px 16px 60px}.kDnTNa_hero{padding:28px 20px}.kDnTNa_title{font-size:1.8rem}.kDnTNa_section{padding:26px 20px}.kDnTNa_labCard{padding:20px}.kDnTNa_labControls{grid-template-columns:1fr}.kDnTNa_footerNav{flex-direction:column}.kDnTNa_navLinkPrev,.kDnTNa_navLinkNext{width:100%}}
