@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Poppins:wght@700;800;900&display=swap";:root{--primary:#ff6b35;--primary-dark:#e05520;--primary-light:#ff8c5e;--secondary:#1b4fe4;--secondary-dark:#1340c4;--secondary-light:#3d6ef7;--accent-yellow:#ffd23f;--accent-green:#00c9a7;--accent-purple:#9b5de5;--bg:#f8f9ff;--bg-card:#fff;--bg-dark:#0f1b35;--text-primary:#1a1a2e;--text-secondary:#4a5568;--text-muted:#94a3b8;--border:#e2e8f0;--border-focus:var(--secondary);--grad-hero:linear-gradient(135deg, #ff6b35 0%, #9b5de5 50%, #1b4fe4 100%);--grad-card:linear-gradient(135deg, #1b4fe4 0%, #9b5de5 100%);--grad-accent:linear-gradient(135deg, #00c9a7 0%, #1b4fe4 100%);--grad-warm:linear-gradient(135deg, #ff6b35 0%, #ffd23f 100%);--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 16px #0000001a;--shadow-lg:0 8px 32px #00000024;--shadow-xl:0 16px 48px #0000002e;--shadow-colored:0 8px 24px #1b4fe440;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--radius-full:9999px;--font-body:"Inter", -apple-system, sans-serif;--font-display:"Poppins", "Inter", sans-serif;--transition:.2s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,select,textarea{font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 20px}.container--narrow{max-width:800px}h1,h2,h3,h4{font-family:var(--font-display);line-height:1.2}.gradient-text{background:var(--grad-hero);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.btn{border-radius:var(--radius-full);transition:all var(--transition);white-space:nowrap;-webkit-text-fill-color:inherit;background-clip:initial;-webkit-background-clip:initial;border:2px solid #0000;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:600;display:inline-flex}.btn-primary{background:var(--grad-hero);color:#fff;box-shadow:0 4px 16px #ff6b3559}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px #ff6b3573}.btn-secondary{background:var(--secondary);color:#fff;box-shadow:var(--shadow-colored)}.btn-secondary:hover{background:var(--secondary-dark);transform:translateY(-2px);box-shadow:0 8px 24px #1b4fe466}.btn-outline{border-color:var(--border);color:var(--text-secondary);background:#fff}.btn-outline:hover{border-color:var(--secondary);color:var(--secondary);background:#1b4fe40a}.btn-ghost{color:var(--text-secondary);padding:10px 16px}.btn-ghost:hover{background:var(--border);border-radius:var(--radius-sm)}.btn-sm{padding:8px 18px;font-size:.85rem}.btn-lg{padding:16px 36px;font-size:1.05rem}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:all var(--transition);overflow:hidden}.card:hover{box-shadow:var(--shadow-md);border-color:#1b4fe426;transform:translateY(-2px)}.badge{border-radius:var(--radius-full);letter-spacing:.03em;padding:3px 10px;font-size:.75rem;font-weight:600;display:inline-block}.badge-primary{color:var(--secondary);background:#1b4fe41f}.badge-orange{color:var(--primary);background:#ff6b351f}.badge-green{color:#00a88f;background:#00c9a71f}.badge-purple{color:var(--accent-purple);background:#9b5de51f}.badge-yellow{color:#c49a00;background:#ffd23f33}.input{border:2px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:border-color var(--transition);background:#fff;outline:none;padding:12px 16px;font-size:.95rem}.input:focus{border-color:var(--secondary);box-shadow:0 0 0 3px #1b4fe41a}.input::placeholder{color:var(--text-muted)}.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2394A3B8' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat;padding-right:40px}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.animate-fade-up{animation:.5s both fadeUp}.animate-fade-in{animation:.3s both fadeIn}.animate-float{animation:3s ease-in-out infinite float}.animate-pulse-slow{animation:2s ease-in-out infinite pulse}.skeleton{border-radius:var(--radius-sm);background:linear-gradient(90deg,#f0f0f0 25%,#e8e8e8 50%,#f0f0f0 75%) 0 0/200% 100%;animation:1.5s infinite shimmer}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:99px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.flex{display:flex}.flex-col{flex-direction:column;display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.text-center{text-align:center}.w-full{width:100%}@media (width<=768px){.container{padding:0 16px}.btn-lg{padding:14px 28px;font-size:1rem}}._navbar_1byds_1{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);z-index:1000;background:#ffffffeb;height:64px;position:fixed;top:0;left:0;right:0;box-shadow:0 2px 16px #0000000f}._inner_1byds_14{align-items:center;gap:32px;max-width:1200px;height:100%;margin:0 auto;padding:0 20px;display:flex}._logo_1byds_25{font-family:var(--font-display);color:var(--text-primary);flex-shrink:0;align-items:center;gap:8px;font-size:1.3rem;font-weight:800;display:flex}._logoIcon_1byds_36{font-size:1.5rem}._logoAccent_1byds_40{color:var(--primary)}._logo_1byds_25:hover ._logoAccent_1byds_40{color:var(--secondary)}._links_1byds_49{flex:1;gap:4px;list-style:none;display:flex}._link_1byds_49{border-radius:var(--radius-full);color:var(--text-secondary);transition:all var(--transition);padding:8px 16px;font-size:.9rem;font-weight:500}._link_1byds_49:hover{color:var(--secondary);background:#1b4fe40f}._link_1byds_49._active_1byds_70{color:var(--secondary);background:#1b4fe41a;font-weight:600}._actions_1byds_77{margin-left:auto}._hamburger_1byds_82{border-radius:var(--radius-sm);flex-direction:column;gap:5px;margin-left:auto;padding:8px;display:none}._hamburger_1byds_82 span{background:var(--text-primary);width:22px;height:2px;transition:all var(--transition);border-radius:99px;display:block}._hamburger_1byds_82._open_1byds_100 span:first-child{transform:rotate(45deg)translate(5px,5px)}._hamburger_1byds_82._open_1byds_100 span:nth-child(2){opacity:0}._hamburger_1byds_82._open_1byds_100 span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}._mobileMenu_1byds_113{border-top:1px solid var(--border);background:#fff;flex-direction:column;gap:4px;padding:12px 20px 20px;animation:.2s _fadeIn_1byds_1;display:flex}._mobileLink_1byds_123{border-radius:var(--radius-md);color:var(--text-secondary);align-items:center;gap:10px;padding:12px 16px;font-size:1rem;font-weight:500;display:flex}._mobileLink_1byds_123._active_1byds_70{color:var(--secondary);background:#1b4fe414}._mobileLink_1byds_123:hover{background:var(--bg)}@media (width<=768px){._links_1byds_49,._actions_1byds_77{display:none}._hamburger_1byds_82{display:flex}}._page_18lkk_2{overflow-x:hidden}._hero_18lkk_7{color:#fff;background:linear-gradient(160deg,#0f1b35 0%,#1b1040 50%,#0f1b35 100%);align-items:center;min-height:100vh;padding:80px 0 60px;display:flex;position:relative;overflow:hidden}._heroGlow_18lkk_18{pointer-events:none;background:radial-gradient(60% 50% at 30%,#ff6b352e 0%,#0000 70%),radial-gradient(50% 60% at 70% 40%,#1b4fe438 0%,#0000 70%),radial-gradient(40% 40% at 50% 80%,#9b5de526 0%,#0000 70%);position:absolute;inset:0}._heroContent_18lkk_28{z-index:1;max-width:700px;position:relative}._heroBadge_18lkk_34{color:#ffffffd9;background:#ffffff14;border:1px solid #ffffff26;border-radius:99px;align-items:center;gap:8px;margin-bottom:24px;padding:6px 18px;font-size:.85rem;font-weight:500;animation:.6s both _fadeUp_18lkk_1;display:inline-flex}._heroTitle_18lkk_49{color:#fff;margin-bottom:20px;font-size:clamp(2.5rem,6vw,4.5rem);font-weight:900;line-height:1.1;animation:.6s .1s both _fadeUp_18lkk_1}._heroSub_18lkk_58{color:#ffffffb8;max-width:560px;margin-bottom:36px;font-size:1.15rem;line-height:1.7;animation:.6s .2s both _fadeUp_18lkk_1}._heroActions_18lkk_67{flex-wrap:wrap;gap:16px;margin-bottom:48px;animation:.6s .3s both _fadeUp_18lkk_1;display:flex}._heroActions_18lkk_67 ._btn-outline_18lkk_75{color:#fff;background:#ffffff12;border-color:#ffffff4d}._heroActions_18lkk_67 ._btn-outline_18lkk_75:hover{color:#fff;background:#ffffff24;border-color:#ffffff80}._heroStats_18lkk_87{align-items:center;gap:24px;animation:.6s .4s both _fadeUp_18lkk_1;display:flex}._stat_18lkk_94{flex-direction:column;display:flex}._stat_18lkk_94 strong{color:#fff;font-size:1.5rem;font-weight:800}._stat_18lkk_94 span{color:#ffffff8c;font-size:.8rem}._statDivider_18lkk_110{background:#fff3;width:1px;height:36px}._heroCards_18lkk_117{z-index:1;flex-direction:column;gap:16px;display:flex;position:absolute;top:50%;right:5%;transform:translateY(-50%)}._floatCard_18lkk_128{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-lg);color:#fff;background:#ffffff14;border:1px solid #ffffff26;align-items:center;gap:14px;min-width:220px;padding:16px 20px;display:flex;box-shadow:0 8px 32px #0000004d}._floatCard_18lkk_128 span{flex-shrink:0;font-size:2rem}._floatCard_18lkk_128 strong{margin-bottom:4px;font-size:.85rem;display:block}._floatCard_18lkk_128 p,._floatCard_18lkk_128 small{color:#ffffffb3;margin:0;font-size:.8rem}._progressBar_18lkk_160{background:#fff3;border-radius:99px;width:120px;height:6px;margin:4px 0;overflow:hidden}._progressFill_18lkk_169{background:var(--accent-green);border-radius:99px;height:100%}._levelBadge_18lkk_175{color:var(--accent-yellow);margin:0;font-size:1.4rem;font-weight:800}._sectionHead_18lkk_183{text-align:center;margin-bottom:56px}._sectionHead_18lkk_183 h2{color:var(--text-primary);margin:12px 0 16px;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800}._sectionHead_18lkk_183 p{color:var(--text-secondary);max-width:560px;margin:0 auto;font-size:1.05rem}._pill_18lkk_202{background:var(--grad-hero);color:#fff;letter-spacing:.05em;text-transform:uppercase;border-radius:99px;padding:5px 16px;font-size:.78rem;font-weight:700;display:inline-block}._features_18lkk_215{background:#fff;padding:100px 0}._featuresGrid_18lkk_220{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;display:grid}._featureCard_18lkk_226{padding:32px}._featureCard_18lkk_226:hover{border-color:var(--fc)}._featureIcon_18lkk_234{border-radius:var(--radius-md);justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:20px;font-size:1.6rem;display:flex}._featureCard_18lkk_226 h3{color:var(--text-primary);margin-bottom:10px;font-size:1.1rem}._featureCard_18lkk_226 p{color:var(--text-secondary);font-size:.92rem;line-height:1.65}._howItWorks_18lkk_258{background:var(--bg);padding:100px 0}._steps_18lkk_263{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;display:grid;position:relative}._step_18lkk_263{text-align:center;flex-direction:column;align-items:center;padding:0 20px;display:flex;position:relative}._stepNumber_18lkk_279{background:var(--grad-hero);color:#fff;width:64px;height:64px;font-size:1.1rem;font-weight:800;font-family:var(--font-display);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-bottom:20px;display:flex;box-shadow:0 8px 24px #ff6b3559}._stepContent_18lkk_296 h3{color:var(--text-primary);margin-bottom:10px;font-size:1.05rem}._stepContent_18lkk_296 p{color:var(--text-secondary);font-size:.9rem;line-height:1.6}._levels_18lkk_309{background:#fff;padding:100px 0}._levelsGrid_18lkk_314{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}._levelCard_18lkk_321{text-align:center;cursor:pointer;flex-direction:column;flex:1;align-items:center;gap:12px;min-width:160px;max-width:200px;padding:28px 24px;display:flex}._levelBadgeLarge_18lkk_334{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;font-size:1rem;font-weight:800;display:flex}._levelCard_18lkk_321 strong{color:var(--text-primary);font-size:.9rem}._levelBar_18lkk_351{background:var(--border);border-radius:99px;width:100%;height:6px;overflow:hidden}._levelBarFill_18lkk_359{border-radius:99px;height:100%}._testimonials_18lkk_365{background:var(--bg);padding:100px 0}._testimonialsGrid_18lkk_370{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;display:grid}._testimonialCard_18lkk_376{padding:32px;position:relative}._quote_18lkk_381{color:var(--primary);opacity:.25;font-family:Georgia,serif;font-size:4rem;line-height:1;position:absolute;top:16px;right:24px}._testimonialCard_18lkk_376 p{color:var(--text-secondary);margin-bottom:24px;font-style:italic;line-height:1.7}._tAuthor_18lkk_399{align-items:center;gap:12px;display:flex}._tAvatar_18lkk_405{background:var(--grad-hero);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.1rem;font-weight:700;display:flex}._tAuthor_18lkk_399 strong{font-size:.95rem;display:block}._tAuthor_18lkk_399 small{color:var(--text-muted);font-size:.8rem}._ctaBanner_18lkk_430{background:var(--bg-dark);color:#fff;padding:100px 0;position:relative;overflow:hidden}._ctaGlow_18lkk_438{background:radial-gradient(80% 80%,#ff6b3526 0%,#0000 70%);position:absolute;inset:0}._ctaBanner_18lkk_430 h2{color:#fff;margin-bottom:16px;font-size:clamp(1.8rem,4vw,2.8rem)}._ctaBanner_18lkk_430 p{color:#ffffffb3;margin-bottom:36px;font-size:1.1rem}._footer_18lkk_457{color:#fff9;background:#07101f;padding:60px 0 30px}._footerTop_18lkk_463{flex-wrap:wrap;gap:60px;margin-bottom:40px;display:flex}._footerBrand_18lkk_470{flex:2}._footerLogo_18lkk_474{font-family:var(--font-display);color:#fff;margin-bottom:12px;font-size:1.3rem;font-weight:800;display:block}._footerBrand_18lkk_470 p{max-width:320px;font-size:.9rem;line-height:1.6}._footerLinks_18lkk_489{flex-direction:column;gap:10px;display:flex}._footerLinks_18lkk_489 strong{color:#fff;text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px;font-size:.85rem}._footerLinks_18lkk_489 a{transition:color var(--transition);font-size:.9rem}._footerLinks_18lkk_489 a:hover{color:#fff}._footerBottom_18lkk_512{border-top:1px solid #ffffff14;padding-top:24px;font-size:.85rem}@media (width<=900px){._heroCards_18lkk_117{display:none}._heroContent_18lkk_28{max-width:100%}}@media (width<=600px){._hero_18lkk_7{padding:100px 0 60px}._heroActions_18lkk_67{flex-direction:column}._heroStats_18lkk_87{gap:16px}._features_18lkk_215,._howItWorks_18lkk_258,._levels_18lkk_309,._testimonials_18lkk_365,._ctaBanner_18lkk_430{padding:60px 0}}._page_5ahb2_1{background:var(--bg);min-height:100vh}._pageHeader_5ahb2_7{background:var(--bg-dark);color:#fff;margin-bottom:0;padding:48px 0 40px}._pageHeader_5ahb2_7 h1{margin-bottom:8px;font-size:2rem;font-weight:800}._pageHeader_5ahb2_7 p{color:#ffffffa6}._layout_5ahb2_25{grid-template-columns:240px 1fr;align-items:start;gap:32px;padding-top:32px;padding-bottom:60px;display:grid}._sidebar_5ahb2_35{border-radius:var(--radius-lg);border:1px solid var(--border);background:#fff;flex-direction:column;gap:24px;padding:24px;display:flex;position:sticky;top:88px}._filterGroup_5ahb2_47{flex-direction:column;gap:12px;display:flex}._filterLabel_5ahb2_53{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-size:.8rem;font-weight:700}._levelPills_5ahb2_61{flex-wrap:wrap;gap:6px;display:flex}._levelPill_5ahb2_61{border:1.5px solid var(--border);color:var(--text-secondary);transition:all var(--transition);cursor:pointer;background:#fff;border-radius:99px;padding:5px 12px;font-size:.82rem;font-weight:600}._levelPill_5ahb2_61:hover{border-color:var(--secondary);color:var(--secondary)}._levelPill_5ahb2_61._active_5ahb2_84{background:var(--secondary);border-color:var(--secondary);color:#fff}._filterSelect_5ahb2_90{padding:10px 14px;font-size:.9rem}._searchBar_5ahb2_96{margin-bottom:20px;position:relative}._searchIcon_5ahb2_101{font-size:1.1rem;position:absolute;top:50%;left:16px;transform:translateY(-50%)}._searchInput_5ahb2_109{font-size:1rem;border-radius:var(--radius-full)!important;padding-left:48px!important}._resultsInfo_5ahb2_116{color:var(--text-muted);margin-bottom:20px;font-size:.85rem;font-weight:500}._grid_5ahb2_124{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;display:grid}._videoCard_5ahb2_131{flex-direction:column;display:flex}._thumbWrap_5ahb2_136{aspect-ratio:16/9;position:relative;overflow:hidden}._thumb_5ahb2_136{object-fit:cover;width:100%;height:100%;transition:transform .4s}._videoCard_5ahb2_131:hover ._thumb_5ahb2_136{transform:scale(1.04)}._thumbOverlay_5ahb2_153{opacity:0;transition:opacity var(--transition);background:#0000004d;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}._videoCard_5ahb2_131:hover ._thumbOverlay_5ahb2_153{opacity:1}._playBtn_5ahb2_168{background:#fff;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;padding-left:4px;font-size:1.3rem;display:flex;box-shadow:0 4px 16px #0000004d}._duration_5ahb2_181{color:#fff;background:#000000bf;border-radius:4px;padding:3px 8px;font-size:.75rem;font-weight:600;position:absolute;bottom:10px;right:10px}._cardBody_5ahb2_193{flex-direction:column;flex:1;gap:12px;padding:20px;display:flex}._cardMeta_5ahb2_201{flex-wrap:wrap;align-items:center;gap:8px;display:flex}._levelTag_5ahb2_208{border-radius:99px;padding:3px 10px;font-size:.75rem;font-weight:700}._views_5ahb2_215{color:var(--text-muted);margin-left:auto;font-size:.78rem}._cardTitle_5ahb2_221{color:var(--text-primary);margin:0;font-size:1rem;font-weight:700;line-height:1.35}._cardTitle_5ahb2_221:hover{color:var(--secondary)}._cardDesc_5ahb2_233{color:var(--text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:.85rem;line-height:1.55;display:-webkit-box;overflow:hidden}._cardChannel_5ahb2_244{align-items:center;gap:8px;display:flex}._channelAvatar_5ahb2_250{background:var(--grad-card);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:.8rem;font-weight:700;display:flex}._cardChannel_5ahb2_244 span{color:var(--text-secondary);font-size:.82rem;font-weight:500}._cardTags_5ahb2_270{flex-wrap:wrap;gap:6px;display:flex}._tag_5ahb2_276{color:var(--text-muted);font-size:.75rem}._cardActions_5ahb2_281{flex-wrap:wrap;gap:8px;margin-top:auto;display:flex}._summaryBtn_5ahb2_288{flex:1}._summaryPanel_5ahb2_293{border-radius:var(--radius-md);background:linear-gradient(135deg,#9b5de50f 0%,#1b4fe40f 100%);border:1px solid #9b5de533;padding:16px;animation:.25s _fadeIn_5ahb2_1}._summaryHeader_5ahb2_301{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}._summaryHeader_5ahb2_301 span{color:var(--accent-purple);font-size:.85rem;font-weight:700}._closeBtn_5ahb2_314{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:0;font-size:1.2rem;line-height:1}._summaryPanel_5ahb2_293 p{color:var(--text-secondary);margin:0;font-size:.88rem;line-height:1.65}._empty_5ahb2_332{text-align:center;padding:80px 20px}._emptyIcon_5ahb2_337{margin-bottom:16px;font-size:3rem}._empty_5ahb2_332 h3{margin-bottom:8px;font-size:1.3rem}._empty_5ahb2_332 p{color:var(--text-muted);margin-bottom:24px}@media (width<=900px){._layout_5ahb2_25{grid-template-columns:1fr}._sidebar_5ahb2_35{flex-flow:wrap;gap:16px;position:static}._filterGroup_5ahb2_47{flex:1;min-width:180px}}@media (width<=500px){._grid_5ahb2_124{grid-template-columns:1fr}}._page_uqa4u_1{background:var(--bg);min-height:100vh}._notFound_uqa4u_7{text-align:center;padding:100px 0}._notFound_uqa4u_7 h2{margin-bottom:12px}._notFound_uqa4u_7 p{color:var(--text-muted);margin-bottom:24px}._topBar_uqa4u_22{background:var(--bg-dark);color:#fff;padding:20px 0}._backLink_uqa4u_28{color:#ffffffa6;transition:color var(--transition);align-items:center;gap:6px;margin-bottom:12px;font-size:.88rem;display:inline-flex}._backLink_uqa4u_28:hover{color:#fff}._videoMeta_uqa4u_42{flex-wrap:wrap;align-items:center;gap:12px;display:flex}._levelBadge_uqa4u_49{border-radius:99px;padding:4px 12px;font-size:.78rem;font-weight:700}._videoTitle_uqa4u_56{color:#fff;font-size:clamp(1.1rem,3vw,1.5rem);font-weight:700}._channel_uqa4u_62{color:#ffffff8c;font-size:.88rem}._tabNav_uqa4u_68{border-bottom:2px solid var(--border);z-index:100;box-shadow:var(--shadow-sm);background:#fff;position:sticky;top:64px}._tabList_uqa4u_77{-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:0;display:flex;overflow-x:auto}._tabList_uqa4u_77::-webkit-scrollbar{display:none}._tab_uqa4u_68{color:var(--text-muted);transition:all var(--transition);white-space:nowrap;cursor:pointer;border-bottom:3px solid #0000;flex-direction:column;flex-shrink:0;align-items:center;gap:4px;padding:12px 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var(--border);border-radius:var(--radius-full);color:var(--text-secondary);transition:all var(--transition);cursor:pointer;background:#fff;align-items:center;gap:6px;padding:8px 16px;font-size:.82rem;font-weight:600;display:flex}._boxTab_uqa4u_233:hover{border-color:var(--secondary)}._activeBoxTab_uqa4u_259{border-color:var(--secondary);background:var(--secondary);color:#fff}._boxCount_uqa4u_265{background:#ffffff4d;border-radius:99px;padding:1px 7px;font-size:.75rem}._activeBoxTab_uqa4u_259 ._boxCount_uqa4u_265{background:#ffffff40}._emptyBox_uqa4u_276{text-align:center;color:var(--text-muted);padding:60px 20px}._vocabGrid_uqa4u_282{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;display:grid}._vocabCard_uqa4u_288{perspective:1000px;cursor:pointer;height:160px}._vocabCardInner_uqa4u_294{width:100%;height:100%;transform-style:preserve-3d;transition:transform .5s;position:relative}._vocabCard_uqa4u_288._flipped_uqa4u_302 ._vocabCardInner_uqa4u_294{transform:rotateY(180deg)}._vocabFront_uqa4u_306,._vocabBack_uqa4u_307{backface-visibility:hidden;border-radius:var(--radius-md);border:1px solid var(--border);text-align:center;background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:16px;display:flex;position:absolute;inset:0}._vocabBack_uqa4u_307{background:linear-gradient(135deg,#1b4fe40d,#9b5de50d);transform:rotateY(180deg)}._posTag_uqa4u_328{color:#fff;border-radius:99px;padding:2px 8px;font-size:.65rem;font-weight:700}._vocabFront_uqa4u_306 h4{color:var(--text-primary);margin:0;font-size:1.15rem;font-weight:700}._freq_uqa4u_343{color:var(--text-muted);font-size:.75rem}._tapHint_uqa4u_348{color:var(--text-muted);font-size:.72rem;font-style:italic}._translation_uqa4u_226{color:var(--secondary);margin:0;font-size:1.1rem;font-weight:700}._germanWord_uqa4u_361{color:var(--text-muted);margin:0;font-size:.85rem}._ratingRow_uqa4u_367{gap:8px;margin-top:6px;display:flex}._rateBtn_uqa4u_373{cursor:pointer;transition:transform var(--transition);background:0 0;border:none;font-size:1.4rem}._rateBtn_uqa4u_373:hover{transform:scale(1.3)}._questionsTab_uqa4u_386{flex-direction:column;gap:20px;display:flex}._tabIntro_uqa4u_392{color:var(--text-secondary);margin-bottom:8px;line-height:1.6}._questionCard_uqa4u_398{border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff;gap:16px;padding:20px;display:flex}._qNumber_uqa4u_407{background:var(--grad-hero);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.9rem;font-weight:700;display:flex}._qBody_uqa4u_421{flex-direction:column;flex:1;gap:12px;display:flex}._qText_uqa4u_428{color:var(--text-primary);font-weight:600;line-height:1.5}._qInput_uqa4u_434{resize:vertical;min-height:64px}._qActions_uqa4u_439{gap:8px;display:flex}._qAnswer_uqa4u_444{border-radius:var(--radius-md);color:#00a88f;background:#00c9a714;border:1px solid #00c9a74d;padding:12px 16px;font-size:.9rem;animation:.2s _fadeIn_uqa4u_1}._speakingTab_uqa4u_455{flex-direction:column;gap:16px;display:flex}._sentenceCards_uqa4u_461{flex-direction:column;gap:12px;display:flex}._speakCard_uqa4u_467{transition:all var(--transition);border-left:4px solid #0000;align-items:flex-start;gap:14px;padding:16px 20px;display:flex}._speakCard_uqa4u_467._recording_uqa4u_476{border-left-color:var(--primary);background:#ff6b350a}._speakNum_uqa4u_481{width:28px;height:28px;color:var(--secondary);background:#1b4fe41a;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.75rem;font-weight:700;display:flex}._speakContent_uqa4u_495{flex:1}._speakText_uqa4u_499{margin-bottom:8px;font-size:.95rem;line-height:1.6}._speakResult_uqa4u_505{mt:8px}._scoreBar_uqa4u_509{background:var(--border);border-radius:99px;height:6px;margin-bottom:4px;overflow:hidden}._scoreFill_uqa4u_517{border-radius:99px;height:100%;transition:width .5s}._scoreText_uqa4u_523{color:var(--text-secondary);font-size:.82rem;font-weight:600}._spokenText_uqa4u_529{color:var(--text-muted);margin-top:4px;font-size:.78rem;font-style:italic;display:block}._btnRecording_uqa4u_537{animation:1s infinite _pulse_uqa4u_1;background:var(--primary)!important;color:#fff!important}._typingTab_uqa4u_544{flex-direction:column;gap:0;display:flex}._typingCards_uqa4u_550{flex-direction:column;gap:14px;display:flex}._typeCard_uqa4u_556{flex-direction:column;gap:12px;padding:20px;display:flex}._typeHeader_uqa4u_563{justify-content:space-between;align-items:center;display:flex}._typeNum_uqa4u_569{color:var(--secondary);font-size:.9rem;font-weight:700}._typeActions_uqa4u_575{gap:8px;display:flex}._wordFeedback_uqa4u_580{padding:12px 0;font-size:1rem;line-height:1.8}._wordCorrect_uqa4u_586{color:#00a88f;font-weight:600}._wordWrong_uqa4u_591{color:var(--primary);text-decoration:line-through}._aiTab_uqa4u_597{flex-direction:column;gap:16px;max-width:700px;display:flex}._chatBox_uqa4u_604{border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff;flex-direction:column;gap:12px;min-height:300px;max-height:400px;padding:20px;display:flex;overflow-y:auto}._chatMsg_uqa4u_617{gap:10px;display:flex}._chatUser_uqa4u_622{flex-direction:row-reverse}._chatAvatar_uqa4u_626{background:var(--grad-card);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}._chatBubble_uqa4u_637{border-radius:var(--radius-md);max-width:80%;padding:10px 14px;font-size:.9rem;line-height:1.55}._chatAi_uqa4u_645 ._chatBubble_uqa4u_637{background:var(--bg);border:1px solid var(--border)}._chatUser_uqa4u_622 ._chatBubble_uqa4u_637{background:var(--secondary);color:#fff}._chatInput_uqa4u_655{gap:10px;display:flex}._chatInput_uqa4u_655 ._input_uqa4u_660{flex:1}._clozeTab_uqa4u_665,._grammarTab_uqa4u_666{flex-direction:column;gap:20px;display:flex}._clozeCard_uqa4u_672,._grammarCard_uqa4u_673{padding:24px}._clozeText_uqa4u_677{margin-bottom:16px;font-size:1.05rem;line-height:1.8}._blank_uqa4u_683{border-bottom:2px solid var(--secondary);text-align:center;background:#1b4fe40a;border-radius:4px;min-width:100px;padding:0 4px;display:inline-block}._clozeInput_uqa4u_693{gap:10px;display:flex}._correct_uqa4u_698{border-radius:var(--radius-md);color:#00a88f;background:#00c9a71a;border:1px solid #00c9a766;padding:12px 16px;font-weight:600}._incorrect_uqa4u_707{border-radius:var(--radius-md);color:var(--primary);background:#ff6b351a;border:1px solid #ff6b3566;padding:12px 16px;font-weight:600}._grammarItem_uqa4u_717{border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:16px;padding:12px 0;display:flex}._grammarWord_uqa4u_726{color:var(--text-primary);flex:1;font-size:1rem;font-weight:500}._articleOptions_uqa4u_733{gap:8px;display:flex}._articleBtn_uqa4u_738{min-width:48px}._comingSoon_uqa4u_742{color:var(--text-muted);padding:8px 0;font-size:.85rem;font-style:italic}._grammarCard_uqa4u_673 h3{margin-bottom:8px;font-size:1rem}@media (width<=600px){._tabContent_uqa4u_125{padding:20px 0 40px}._vocabGrid_uqa4u_282{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}._chatBubble_uqa4u_637{max-width:90%}._videoMeta_uqa4u_42{flex-direction:column;align-items:flex-start;gap:6px}}.app-main{min-height:calc(100vh - 64px);padding-top:64px}