@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&display=swap";.abPage{font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:#fff;color:#0b1220}.abHero{padding:64px 20px 24px}.abInner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}.abLeft{min-width:0}.abBadge{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:999px;border:1px solid #e6ebf3;background:#f8fafc;color:#334155;font-weight:850;font-size:13px}.abBadgeDot{width:10px;height:10px;border-radius:999px;background:#2563eb;box-shadow:0 0 0 4px #2563eb24}.abTitle{margin:18px 0 12px;font-size:52px;line-height:1.05;letter-spacing:-1.2px;font-weight:950}.abSub{margin:0;font-size:18px;line-height:1.65;color:#475569;max-width:60ch}.abActions{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}.abPrimary{height:48px;padding:0 20px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#0b1220,#111b2e);color:#fff;font-weight:900;text-decoration:none;box-shadow:0 14px 30px #0f172a24;transition:transform .12s ease,box-shadow .12s ease}.abPrimary:hover{transform:translateY(-1px);box-shadow:0 18px 36px #0f172a2e}.abSecondary{height:48px;padding:0 18px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #e6ebf3;background:#fff;color:#0b1220;font-weight:900;text-decoration:none;transition:transform .12s ease,background .12s ease}.abSecondary:hover{background:#f8fafc;transform:translateY(-1px)}.abStats{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}.abStat{border:1px solid #e6ebf3;background:#fff;border-radius:16px;padding:12px 14px;min-width:150px}.abStatTop{font-weight:950;letter-spacing:-.2px}.abStatBot{margin-top:4px;color:#64748b;font-size:13px;font-weight:750}.abRight{min-width:0}.abImgFrame{position:relative;border-radius:26px;border:1px solid #e6ebf3;background:linear-gradient(180deg,#fff,#f8fafc);padding:14px;box-shadow:0 20px 60px #0f172a1f}.abImg{width:100%;height:auto;display:block;border-radius:20px}.abGlow{position:absolute;top:-30px;right:-30px;bottom:-30px;left:-30px;z-index:-1;border-radius:44px;background:radial-gradient(circle at 30% 20%,rgba(37,99,235,.18),transparent 55%);filter:blur(22px)}.abSection{padding:28px 20px 80px}.abInnerOne{grid-template-columns:1fr;gap:18px}.abH2{font-size:34px;font-weight:950;letter-spacing:-.6px;margin:0}.abP{margin:0;max-width:70ch;color:#475569;font-size:16px;line-height:1.7;font-weight:650}.abCards{margin-top:14px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.abCard{border:1px solid #e6ebf3;background:#fff;border-radius:18px;padding:16px;box-shadow:0 10px 26px #0f172a0f;transition:transform .12s ease,box-shadow .12s ease}.abCard:hover{transform:translateY(-2px);box-shadow:0 18px 36px #0f172a1a}.abCardIcon{width:44px;height:44px;border-radius:16px;display:grid;place-items:center;background:#f8fafc;border:1px solid #e6ebf3;font-size:20px}.abCardTitle{margin-top:12px;font-weight:950}.abCardSub{margin-top:6px;color:#64748b;font-size:13px;font-weight:700;line-height:1.45}@media (max-width: 980px){.abInner{grid-template-columns:1fr}.abTitle{font-size:42px}.abCards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 520px){.abTitle{font-size:36px}.abCards{grid-template-columns:1fr}}.abSectionHead{display:grid;gap:10px;margin-bottom:10px}.abSubjectGrid{margin-top:14px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.abSubjectCard{border:1px solid #e6ebf3;background:#fff;border-radius:22px;padding:18px;box-shadow:0 12px 30px #0f172a0f;transition:transform .14s ease,box-shadow .14s ease}.abSubjectCard:hover{transform:translateY(-3px);box-shadow:0 22px 44px #0f172a1a}.abSubjectTop{display:flex;align-items:center;gap:14px}.abIconPill{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;background:#f8fafc;border:1px solid #e6ebf3;font-size:22px;flex-shrink:0}.abSubjectMeta{min-width:0}.abSubjectTitle{font-weight:950;font-size:18px;letter-spacing:-.2px}.abSubjectSub{margin-top:4px;color:#64748b;font-size:13px;font-weight:750}.abChips{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}.abChip{display:inline-flex;align-items:center;height:30px;padding:0 10px;border-radius:999px;border:1px solid #e6ebf3;background:#fff;color:#334155;font-size:12px;font-weight:800}.abSubjectBottom{margin-top:14px;display:grid;grid-template-columns:1fr;gap:10px}.abMini{padding:12px;border-radius:16px;background:#f8fafc;border:1px solid #e6ebf3}.abMiniK{font-size:12px;font-weight:900;color:#0b1220}.abMiniV{margin-top:4px;font-size:13px;font-weight:750;color:#475569;line-height:1.45}@media (max-width: 980px){.abSubjectGrid{grid-template-columns:1fr}}.abBlock{padding:70px 20px}.abSoft{background:#f8fafc}.abSteps{margin-top:18px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.abStepCard{border:1px solid #e6ebf3;background:#fff;border-radius:20px;padding:18px;box-shadow:0 12px 30px #0f172a0f;transition:transform .14s ease,box-shadow .14s ease}.abStepCard:hover{transform:translateY(-2px);box-shadow:0 22px 44px #0f172a1a}.abStepTop{display:flex;align-items:center;gap:12px}.abStepNum{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:#0b1220;color:#fff;font-weight:950;flex-shrink:0}.abStepTitle{font-weight:950;letter-spacing:-.2px}.abStepSub{margin-top:10px;color:#64748b;font-size:14px;font-weight:750;line-height:1.55}.abTrustGrid{margin-top:18px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.abTrustCard{border:1px solid #e6ebf3;background:#fff;border-radius:20px;padding:18px;box-shadow:0 12px 30px #0f172a0f}.abTrustIcon{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:#f8fafc;border:1px solid #e6ebf3;font-size:20px}.abTrustTitle{margin-top:12px;font-weight:950}.abTrustSub{margin-top:6px;color:#64748b;font-size:14px;font-weight:750;line-height:1.55}.abGradesRow{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px}.abGradeChip{height:34px;padding:0 12px;border-radius:999px;border:1px solid #e6ebf3;background:#fff;display:inline-flex;align-items:center;font-weight:850;font-size:13px;color:#334155}.abSubjectGrid2{margin-top:18px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.abSubjectMini{border:1px solid #e6ebf3;border-radius:18px;padding:16px;background:#fff}.abSubjectMiniTitle{font-weight:950}.abSubjectMiniSub{margin-top:6px;color:#64748b;font-size:13px;font-weight:750;line-height:1.55}.abBand{padding:54px 20px;background:linear-gradient(180deg,#0b1220,#111b2e);color:#fff}.abBandInner{display:flex;align-items:center;justify-content:space-between;gap:18px}.abBandTitle{font-size:26px;font-weight:950;letter-spacing:-.6px}.abBandSub{margin-top:8px;color:#ffffffc7;font-weight:650;line-height:1.55;max-width:58ch}.abBandRight{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.abBandBtn{height:44px;padding:0 18px;border-radius:14px;background:#fff;color:#0b1220;font-weight:950;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.abBandGhost{height:44px;padding:0 16px;border-radius:14px;border:1px solid rgba(255,255,255,.25);color:#fff;font-weight:900;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.abFooter{padding:26px 20px;border-top:1px solid #e6ebf3;background:#fff}.abFooterInner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.abFooterBrand{font-weight:950}.abFooterLinks{display:flex;gap:14px;flex-wrap:wrap}.abFooterLinks a{color:#475569;text-decoration:none;font-weight:800;font-size:14px}.abFooterLinks a:hover{color:#0b1220}.abFooterMeta{color:#64748b;font-weight:750;font-size:13px}@media (max-width: 980px){.abSteps,.abTrustGrid,.abSubjectGrid2{grid-template-columns:1fr}.abBandInner{flex-direction:column;align-items:flex-start}.abBandRight{justify-content:flex-start}}.abPricingGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}.abPriceCard{background:#fff;border:1px solid #e6ebf3;border-radius:18px;padding:18px;box-shadow:0 16px 40px #0f172a0f;display:flex;flex-direction:column;min-height:100%}.abPriceCardPro{border-color:#2563eb40;box-shadow:0 24px 60px #2563eb1a;transform:translateY(-6px)}.abPriceTop{padding-bottom:14px;border-bottom:1px solid #eef2f7}.abPriceBadge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;color:#0b1220;background:#f1f5f9;border:1px solid #e6ebf3}.abPriceBadgePro{color:#0b1220;background:#2563eb1a;border-color:#2563eb38}.abPriceName{margin-top:10px;font-size:18px;font-weight:900;color:#0b1220}.abPriceValue{margin-top:10px;display:flex;align-items:baseline;gap:8px}.abPriceNum{font-size:34px;font-weight:950;letter-spacing:-.8px;color:#0b1220}.abPricePer{font-size:13px;font-weight:800;color:#64748b}.abPriceHint{margin-top:8px;font-size:13px;font-weight:700;color:#475569;line-height:1.4}.abPriceList{list-style:none;padding:14px 0 0;margin:0;display:grid;gap:10px;color:#0b1220;flex:1}.abPriceList li{position:relative;padding-left:22px;font-size:14px;font-weight:700;color:#334155}.abPriceList li:before{content:"✓";position:absolute;left:0;top:0;color:#2563eb;font-weight:900}.abPriceBtn{margin-top:14px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:900;font-size:14px;color:#0b1220;border:1px solid #e6ebf3;background:#fff;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}.abPriceBtn:hover{transform:translateY(-1px);box-shadow:0 18px 36px #0f172a1a;background:#f8fafc}.abPriceBtnPro{background:linear-gradient(180deg,#0b1220,#111b2e);color:#fff;border-color:transparent}.abPriceBtnPro:hover{background:linear-gradient(180deg,#0b1220,#0b1220);box-shadow:0 22px 46px #0f172a2e}.abPriceBtnGhost{background:#f8fafc}.abPriceNote{margin-top:10px;font-size:12px;font-weight:800;color:#64748b}@media (max-width: 980px){.abPricingGrid{grid-template-columns:1fr}.abPriceCardPro{transform:none}}#how-it-works,#curriculum,#pricing{scroll-margin-top:90px}.rgPage{height:100vh;display:grid;grid-template-columns:58% 42%;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:#fff}.rgHero{position:relative;background-size:cover;background-position:center;overflow:hidden}.rgHeroOverlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,#0009,#00000073,#0000001a 70%,#0000)}.rgHeroContent{position:relative;height:100%;padding:56px;display:flex;flex-direction:column;justify-content:center;color:#fff;max-width:640px}.rgLogo{font-weight:800;letter-spacing:.2px;opacity:.95;margin-bottom:18px}.rgTitle{font-size:44px;line-height:1.05;margin:0 0 12px;letter-spacing:-.6px}.rgSub{margin:0 0 22px;font-size:16px;opacity:.9;max-width:520px}.rgBullets{display:grid;gap:12px;margin-top:8px}.rgBullet{display:flex;align-items:center;gap:10px;font-weight:600;opacity:.95}.rgDot{width:10px;height:10px;border-radius:999px;background:#a78bfaf2;box-shadow:0 0 0 6px #a78bfa24}.rgRight{position:relative;background:#fff;display:grid;place-items:center;padding:32px}.rgTopRight{position:absolute;top:18px;right:22px;display:flex;align-items:center;gap:10px;font-size:13px;color:#555}.rgLinkBtn{border:0;background:transparent;color:#111827;font-weight:800;cursor:not-allowed;opacity:.6}.rgCard{width:100%;max-width:420px;border:1px solid #ececec;border-radius:18px;padding:24px;box-shadow:0 18px 55px #00000014;background:#fff}.rgCardHead{margin-bottom:14px}.rgCardBrand{font-weight:800;font-size:20px;margin-bottom:6px;letter-spacing:-.2px}.rgCardHint{color:#6b7280;font-size:14px;font-weight:500}.rgError{margin-top:10px;padding:10px 12px;border-radius:12px;background:#fff1f2;border:1px solid #ffe4e6;color:#9f1239;font-size:14px}.rgForm{margin-top:14px;display:grid;gap:12px}.rgLabel{display:grid;gap:6px;font-size:12px;color:#111827;font-weight:600;letter-spacing:.2px}.rgLabelRow{display:flex;align-items:center;gap:8px}.rgLabelRow svg{font-size:13px;color:#9ca3af}.rgInput{border:1px solid #e5e7eb;border-radius:12px;padding:12px;font-size:14px;outline:none;font-weight:500;color:#111827}.rgInput::placeholder{color:#9ca3af;font-weight:400}.rgInput:focus{border-color:#a78bfae6;box-shadow:0 0 0 4px #a78bfa2e}.rgSelect{border:1px solid #e5e7eb;border-radius:12px;padding:12px;font-size:14px;outline:none;font-weight:500;color:#111827;background:#fff;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9ca3af 50%),linear-gradient(135deg,#9ca3af 50%,transparent 50%);background-position:calc(100% - 18px) calc(50% - 2px),calc(100% - 12px) calc(50% - 2px);background-size:6px 6px,6px 6px;background-repeat:no-repeat}.rgSelect:focus{border-color:#a78bfae6;box-shadow:0 0 0 4px #a78bfa2e}.rgBtn{margin-top:8px;border:0;border-radius:12px;padding:12px;font-weight:700;cursor:pointer;background:#111827;color:#fff;letter-spacing:.2px}.rgBtn:disabled{opacity:.7;cursor:not-allowed}.rgTerms{font-size:12px;color:#6b7280;line-height:1.45;font-weight:500}.rgFakeLink{color:#2563eb;font-weight:700}@media (max-width: 980px){.rgPage{grid-template-columns:1fr}.rgHero{height:280px}.rgHeroContent{padding:24px;justify-content:flex-end}.rgTitle{font-size:28px}.rgRight{padding:20px;place-items:start center}.rgTopRight{position:static;justify-content:flex-end;margin-bottom:12px;width:100%}}.rgSelect{padding-right:44px}.rgSelect{background-position:calc(100% - 18px) 50%,calc(100% - 12px) 50%}.authWrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(1200px 600px at 20% 10%,#eef2ff,#fff 55%);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.authCard{width:100%;max-width:420px;border:1px solid #eaeaea;border-radius:18px;padding:22px;background:#fff;box-shadow:0 18px 50px #00000012}.authBrand{font-weight:800;letter-spacing:.2px}.authHeader h1{margin:10px 0 4px;font-size:26px}.authHeader p{margin:0;color:#555}.authError{margin-top:14px;padding:10px 12px;border-radius:12px;background:#fff1f2;border:1px solid #ffe4e6;color:#9f1239;font-size:14px}.authForm{margin-top:16px;display:grid;gap:12px}.authLabel{display:grid;gap:6px;font-size:13px;color:#111}.authInput{border:1px solid #e5e7eb;border-radius:12px;padding:12px;font-size:14px;outline:none}.authInput:focus{border-color:#a5b4fc;box-shadow:0 0 0 4px #a5b4fc59}.authBtn{margin-top:4px;border:0;border-radius:12px;padding:12px;font-weight:700;cursor:pointer;background:#111827;color:#fff}.authBtn:disabled{opacity:.65;cursor:not-allowed}.authFooter{margin-top:14px;font-size:14px;color:#444}.authFooter a{color:#2563eb;text-decoration:none;font-weight:700}.auPage{min-height:100vh;background:#fff;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#0b1220}.auShell{max-width:1160px;margin:0 auto;padding:36px 20px 28px}.auCard{border:1px solid #e6ebf3;border-radius:22px;box-shadow:0 22px 50px #0f172a1a;background:#fff;overflow:hidden;display:grid;grid-template-columns:1.05fr .95fr}.auLeft{padding:34px 34px 30px}.auRight{padding:26px;background:radial-gradient(800px 500px at 60% 20%,rgba(37,99,235,.1),transparent 55%),radial-gradient(700px 420px at 30% 80%,rgba(15,23,42,.06),transparent 55%),#fbfdff;border-left:1px solid #e6ebf3}.auTopRow{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:10px}.auKicker{font-weight:900;font-size:13px;letter-spacing:-.2px;color:#2563eb}.auTopLink{font-size:14px;font-weight:700;color:#64748b}.auLink{color:#0b1220;font-weight:900;text-decoration:none}.auLink:hover{text-decoration:underline}.auTitle{font-size:34px;line-height:1.06;letter-spacing:-1px;margin:10px 0;font-weight:950}.auSub{margin:0 0 18px;font-size:15px;line-height:1.6;color:#475569;max-width:52ch}.auError{border:1px solid #fee2e2;background:#fff1f2;color:#9f1239;padding:10px 12px;border-radius:12px;font-weight:800;font-size:14px;margin-bottom:14px}.auForm{display:grid;gap:12px;margin-top:6px}.auLabel{display:grid;gap:8px;font-size:13px;font-weight:900;color:#0b1220}.auInput{height:46px;border-radius:14px;border:1px solid #e6ebf3;padding:0 14px;outline:none;font-size:15px;font-weight:700;color:#0b1220;background:#fff;transition:box-shadow .12s ease,border-color .12s ease}.auInput::placeholder{color:#94a3b8;font-weight:700}.auInput:focus{border-color:#bfdbfe;box-shadow:0 0 0 4px #2563eb1f}.auPrimary{height:46px;border:0;border-radius:14px;margin-top:4px;background:linear-gradient(180deg,#0b1220,#111b2e);color:#fff;font-weight:950;font-size:14px;cursor:pointer;box-shadow:0 14px 28px #0f172a24;transition:transform .12s ease,box-shadow .12s ease}.auPrimary:hover{transform:translateY(-1px);box-shadow:0 18px 34px #0f172a2e}.auPrimary:disabled{opacity:.7;cursor:not-allowed;transform:none}.auHintRow{margin-top:10px;display:flex;align-items:center;gap:10px;color:#64748b;font-weight:700;font-size:13px}.auHintDot{width:10px;height:10px;border-radius:999px;background:#2563eb2e;border:1px solid rgba(37,99,235,.25)}.auMsgCard{border:1px solid #e6ebf3;background:#fff;border-radius:18px;padding:18px;box-shadow:0 14px 34px #0f172a0f}.auMsgTitle{font-size:18px;font-weight:950;letter-spacing:-.4px;margin-bottom:6px}.auMsgText{color:#475569;font-weight:700;line-height:1.55;font-size:14px;margin-bottom:12px}.auImgWrap{border-radius:14px;overflow:hidden;border:1px solid #e6ebf3;background:#f8fafc}.auImg{width:100%;height:240px;object-fit:cover;display:block}.auMiniTrust{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.auMiniPill{font-size:12px;font-weight:900;color:#334155;padding:8px 10px;border-radius:999px;border:1px solid #e6ebf3;background:#ffffffb3}.auFooter{text-align:center;margin-top:16px;color:#94a3b8;font-weight:800;font-size:13px}@media (max-width: 900px){.auCard{grid-template-columns:1fr}.auRight{border-left:0;border-top:1px solid #e6ebf3}.auTitle{font-size:30px}.auImg{height:220px}}.loginPage{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f8fafc;padding:24px}.loginShell{width:100%;max-width:1100px;background:#fff;border-radius:20px;box-shadow:0 20px 60px #0f172a14;display:grid;grid-template-columns:1fr 1fr;overflow:hidden}.loginLeft,.loginRight{padding:48px}.loginRight{background:linear-gradient(180deg,#f8fafc,#eef2ff)}@media (max-width: 900px){.loginShell{grid-template-columns:1fr}.loginRight{display:none}}.auPage{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f8fafc;padding:24px;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto}.auShell{width:100%;max-width:1100px}.auCard{background:#fff;border-radius:20px;box-shadow:0 30px 80px #0f172a14;display:grid;grid-template-columns:1fr 1fr;overflow:hidden}.auLeft{padding:48px}.auTopRow{display:flex;justify-content:space-between;font-size:14px;color:#64748b}.auLink{color:#2563eb;font-weight:600;text-decoration:none}.auTitle{margin-top:24px;font-size:34px;font-weight:900;color:#0f172a}.auSub{margin:12px 0 28px;color:#475569}.auForm{display:grid;gap:18px}.auLabel{display:flex;flex-direction:column;font-size:14px;font-weight:600;color:#0f172a}.auInput{margin-top:6px;padding:14px;border-radius:12px;border:1px solid #e2e8f0;font-size:15px}.auPrimary{margin-top:8px;height:52px;border-radius:14px;background:linear-gradient(180deg,#0b1220,#111b2e);color:#fff;font-weight:800;border:none;cursor:pointer}.auHintRow{display:flex;align-items:center;gap:8px;font-size:13px;color:#64748b}.auHintDot{width:8px;height:8px;background:#2563eb;border-radius:50%}.auRight{background:linear-gradient(180deg,#f8fafc,#eef2ff);padding:48px;display:flex;flex-direction:column;justify-content:center}.auMsgCard{background:#fff;border-radius:16px;padding:24px;box-shadow:0 20px 40px #0f172a0f}.auMsgTitle{font-size:20px;font-weight:800}.auMsgText{margin:8px 0 16px;color:#475569}.auImg{width:100%;max-width:320px;display:block;margin:0 auto}.auMiniTrust{display:flex;gap:10px;margin-top:16px;justify-content:center}.auMiniPill{background:#eef2ff;color:#1e3a8a;padding:6px 12px;border-radius:999px;font-size:12px;font-weight:700}.auFooter{margin-top:20px;text-align:center;font-size:13px;color:#94a3b8}@media (max-width: 900px){.auCard{grid-template-columns:1fr}.auRight{display:none}}:root{--bg: #ffffff;--text: #0b1220;--muted: #64748b;--border: #e6ebf3;--soft: #f8fafc;--brand-900: #0b1220;--brand-800: #111b2e;--brand-100: #eef2ff;--shadow-lg: 0 18px 45px rgba(15, 23, 42, .08), 0 2px 10px rgba(15, 23, 42, .04);--shadow-sm: 0 10px 24px rgba(15, 23, 42, .08);--r-card: 22px;--r-btn: 14px;--r-tile: 16px}.osPage{min-height:100vh;background:var(--bg);font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text)}.osShell{min-height:100vh;display:grid;place-items:center;padding:28px 16px}.osCard{width:min(980px,100%);background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:34px;box-shadow:var(--shadow-lg)}.osCardWide{width:min(1100px,100%)}.osHead{margin-bottom:14px}.osTitle{font-size:22px;font-weight:900;letter-spacing:-.2px}.osSub{margin-top:8px;color:var(--muted);line-height:1.55;font-size:14px}.osRow{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.osChoice{height:54px;border-radius:var(--r-btn);border:1px solid var(--border);background:var(--soft);color:var(--text);font-weight:900;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease,background .12s ease}.osChoice:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);border-color:#c7d2fe;background:#fbfdff}.osChoice.isOn{border-color:#c7d2fe;background:var(--brand-100)}.osPrimary{margin-top:18px;width:100%;height:56px;border-radius:var(--r-btn);border:1px solid rgba(15,23,42,.18);background:linear-gradient(180deg,var(--brand-900),var(--brand-800));color:#fff;font-weight:950;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,opacity .12s ease;box-shadow:0 16px 30px #0f172a24}.osPrimary:hover{transform:translateY(-1px);box-shadow:0 22px 40px #0f172a2e}.osPrimary:active{transform:translateY(0)}.osPrimaryWide{margin-top:0;width:auto;flex:1}.osGhost{height:56px;padding:0 18px;border-radius:var(--r-btn);border:1px solid var(--border);background:#fff;color:var(--text);font-weight:950;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease,background .12s ease,opacity .12s ease}.osGhost:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-sm);border-color:#c7d2fe;background:#fff}.osGhost:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}.osFootNote{margin-top:12px;font-size:12px;color:var(--muted)}.osError{margin-top:12px;padding:10px 12px;border-radius:14px;border:1px solid #fecdd3;background:#fff1f2;color:#9f1239;font-weight:850;font-size:13px}.osForm{display:grid;gap:14px;margin-top:10px}.osLabel{display:grid;gap:8px;font-size:13px;color:var(--text);font-weight:900}.osInput{height:56px;border-radius:var(--r-btn);padding:0 14px;border:1px solid var(--border);background:#fff;outline:none;font-weight:750}.osInput:focus{border-color:#c7d2fe;box-shadow:0 0 0 4px #2563eb1f}.osTop{display:grid;gap:10px;margin-bottom:16px}.osBadge{justify-self:start;padding:7px 12px;border-radius:999px;background:#f1f5f9;border:1px solid var(--border);font-size:12px;font-weight:950;color:var(--text)}.osName{font-size:34px;font-weight:1000;letter-spacing:-.4px}.osProg{height:12px;border-radius:999px;background:#f1f5f9;border:1px solid var(--border);overflow:hidden}.osProgBar{height:100%;width:0%;background:linear-gradient(180deg,var(--brand-900),var(--brand-800));transition:width .35s ease}.osProgText{font-size:18px;color:var(--muted);justify-self:end}.osQ{margin-top:6px}.osQTitle{font-size:22px;font-weight:950;letter-spacing:-.2px}.osOpts{margin-top:16px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.osOpts.isMulti{grid-template-columns:repeat(3,minmax(0,1fr))}.osOpt{min-height:66px;border-radius:var(--r-tile);border:1px solid var(--border);background:#fff;text-align:left;padding:18px;font-weight:950;font-size:18px;color:var(--text);cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease,background .12s ease}.osOpt:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);border-color:#c7d2fe;background:#fbfdff}.osOpt.isOn{border-color:#c7d2fe;background:var(--brand-100);box-shadow:0 10px 24px #2563eb1a}.osOpt:focus-visible,.osPrimary:focus-visible,.osGhost:focus-visible,.osChoice:focus-visible,.osInput:focus-visible{outline:none;box-shadow:0 0 0 4px #2563eb29}.osActions{margin-top:22px;display:flex;justify-content:space-between;gap:14px}.osActionsPro{border-top:1px solid var(--border);padding-top:18px}@media (max-width: 900px){.osCard{padding:26px}.osOpts{grid-template-columns:repeat(2,minmax(0,1fr))}.osName{font-size:28px}}@media (max-width: 560px){.osRow,.osOpts{grid-template-columns:1fr}.osActions{flex-direction:column}.osPrimaryWide{width:100%}}.osActions{align-items:stretch}.osActions .osPrimary{margin-top:0;height:56px;flex:1}.osActions .osGhost{margin-top:0;height:56px;min-width:140px;display:inline-flex;align-items:center;justify-content:center}.specialLessonPage{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;overflow:hidden;background-position:center;background-size:cover;background-repeat:no-repeat}*{font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;box-sizing:border-box}.specialLessonOverlay{position:relative;width:100%;height:100%;overflow:hidden;background:linear-gradient(180deg,#0a10241f,#0a102433)}.specialLessonTopBar{position:absolute;top:18px;left:18px;right:18px;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px}.specialLessonTopLeft,.specialLessonTopRight{display:flex;align-items:center;gap:10px}.specialLessonBackBtn,.specialLessonTopPill{border:none;border-radius:999px;padding:10px 16px;font-weight:800;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.specialLessonBackBtn{background:#ffffffeb;color:#1b2850;cursor:pointer;box-shadow:0 10px 24px #1218371f}.specialLessonTopPill{background:#ffffffd1;color:#3950c9;box-shadow:0 10px 24px #1218371a}.specialLessonProgress{min-width:140px;text-align:center}.specialLessonStage{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;grid-template-columns:600px minmax(380px,1fr);align-items:end;gap:24px;padding:88px 24px 24px;overflow:hidden}.specialLessonCard{align-self:stretch;display:flex;flex-direction:column;background:#fffffff7;border-radius:28px;box-shadow:0 24px 60px #11193738;overflow:hidden;min-height:0;z-index:4;order:1;height:calc(100vh - 112px)}.specialLessonCardHeader{padding:20px 22px 14px;border-bottom:1px solid #edf1ff;flex:0 0 auto}.specialLessonCardTitle{margin:0;color:#16203a;font-size:1.7rem;line-height:1.08}.specialLessonCardBody{flex:1;overflow:hidden;padding:16px 18px;min-height:0;display:flex;flex-direction:column}.specialLessonQuestionBox,.specialLessonTeachingBox{flex:1;min-height:0;background:#f8faff;border:1px solid #e4ebff;border-radius:20px;padding:16px;overflow:hidden;display:flex;flex-direction:column}.specialLessonQuestionCount{font-weight:800;color:#3155d4;margin-bottom:10px;flex:0 0 auto}.specialLessonQuestionPrompt{font-size:1.05rem;font-weight:800;color:#1c2746;line-height:1.45;margin-bottom:12px;flex:0 0 auto;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.specialLessonAnswerBlock{background:#fff;border:1px solid #e8edff;border-radius:16px;padding:12px 14px;margin-bottom:10px;flex:0 0 auto}.specialLessonAnswerLabel{display:block;margin-bottom:6px;color:#3155d4;font-size:.86rem;font-weight:800}.specialLessonAnswerText{color:#44506b;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.specialLessonTeachBox{background:linear-gradient(180deg,#eef4ff,#f8fbff);border:1px solid #dae6ff;border-radius:18px;padding:14px 15px;margin-top:2px;flex:1 1 auto;min-height:0;overflow:hidden}.specialLessonTeachTitle{margin:0 0 8px;color:#1b2850;font-size:1rem}.specialLessonTeachText{margin:0;color:#44506b;line-height:1.55;font-weight:600;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}.specialLessonInlineNav{display:flex;gap:10px;margin-top:14px;flex:0 0 auto}.specialLessonCardFooter{padding:16px 22px 22px;border-top:1px solid #edf1ff;display:flex;justify-content:space-between;gap:10px;flex:0 0 auto}.specialLessonTutorArea{position:relative;height:100%;display:flex;align-items:flex-end;justify-content:flex-start;padding-left:20px;min-width:0;order:2;overflow:hidden}.specialLessonRingoWrap{position:relative;width:min(620px,48vw);height:min(780px,84vh);display:flex;justify-content:center;align-items:flex-end}.specialLessonRingoWrap:after{content:"";position:absolute;left:50%;bottom:18px;transform:translate(-50%);width:260px;height:38px;border-radius:50%;background:#0000002e;filter:blur(18px)}.specialLessonRingo{position:relative;z-index:1;width:100%;height:100%;display:flex;justify-content:center;align-items:flex-end}.specialLessonRingo canvas,.specialLessonRingo video,.specialLessonRingo img{width:100%!important;height:100%!important;object-fit:contain}.specialLessonPrimaryBtn,.specialLessonSecondaryBtn{border:none;border-radius:16px;padding:13px 18px;font-weight:800;cursor:pointer}.specialLessonPrimaryBtn{background:linear-gradient(135deg,#4a4cf7,#2766ea);color:#fff;box-shadow:0 12px 28px #2766ea3d}.specialLessonSecondaryBtn{background:#edf2ff;color:#2848b8}.specialLessonSecondaryBtn:disabled,.specialLessonPrimaryBtn:disabled{opacity:.5;cursor:not-allowed}.specialLessonTeachingBox{background:#f8faff;border:1px solid #dfe8ff;border-radius:20px;padding:18px}.specialLessonTeachModeHeader{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;flex:0 0 auto}.specialLessonStepBadgeLarge{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 14px;border-radius:999px;background:#eef3ff;color:#3155d4;font-size:.92rem;font-weight:800}.specialLessonTeachStepHeading{margin:0 0 10px;color:#1c2746;font-size:1.1rem;font-weight:800;flex:0 0 auto}.specialLessonTeachModeText{background:#fff;border:1px solid #e8edff;border-radius:18px;padding:14px;color:#44506b;line-height:1.55;font-weight:700;margin-bottom:12px;white-space:pre-wrap;flex:0 0 auto;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.specialLessonTeachModeMiniCard{background:#fff;border:1px solid #e8edff;border-radius:16px;padding:12px 14px;margin-bottom:10px;flex:0 0 auto}@media (max-width: 1200px){.specialLessonStage{grid-template-columns:520px minmax(320px,1fr)}.specialLessonRingoWrap{width:min(540px,44vw);height:min(720px,80vh)}}@media (max-width: 900px){.specialLessonStage{grid-template-columns:1fr;grid-template-rows:1fr 40vh;align-items:stretch;padding:82px 14px 14px;gap:12px}.specialLessonCard{order:1;height:auto}.specialLessonTutorArea{order:2;justify-content:center;align-items:flex-end;padding-left:0}.specialLessonRingoWrap{width:min(320px,60vw);height:min(380px,42vh)}.specialLessonCard{border-radius:22px}.specialLessonCardHeader,.specialLessonCardBody,.specialLessonCardFooter{padding-left:16px;padding-right:16px}.specialLessonCardFooter,.specialLessonInlineNav{flex-wrap:wrap}.specialLessonPrimaryBtn,.specialLessonSecondaryBtn{flex:1}}:root{--bg-main: #f0f4ff;--card-shadow: 0 20px 40px rgba(0, 0, 0, .06);--card-hover-shadow: 0 30px 60px rgba(0, 0, 0, .12);--color-ela: #ff6b6b;--color-math: #4dabf7;--color-science: #51cf66;--color-social: #fcc419}.lhPage{min-height:100vh;background:radial-gradient(at 0% 0%,rgba(77,171,247,.15) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(255,107,107,.1) 0px,transparent 50%),#f8f9fd;padding:40px 20px;font-family:Plus Jakarta Sans,sans-serif}.lhShell{max-width:1100px;margin:0 auto}.lhTop{display:flex;justify-content:space-between;align-items:center;margin-bottom:50px}.lhBack{background:#fff;border:none;padding:12px 20px;border-radius:16px;font-weight:700;display:flex;align-items:center;gap:8px;box-shadow:0 4px 12px #0000000d;cursor:pointer;transition:all .2s}.lhBack:hover{transform:translate(-5px);box-shadow:0 6px 15px #0000001a}.lhTitle{font-size:42px;font-weight:900;color:#1a202c;letter-spacing:-1.5px;margin-bottom:8px}.lhSub{display:flex;gap:8px}.lhPill{background:#fff;padding:6px 16px;border-radius:100px;font-weight:700;font-size:14px;color:#4a5568;box-shadow:0 2px 5px #00000008}.lhGrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:30px}.lhCardBig{background:#fff;border:1px solid rgba(255,255,255,.8);border-radius:32px;padding:32px 24px;text-align:left;position:relative;transition:all .4s cubic-bezier(.175,.885,.32,1.275);box-shadow:var / (--card-shadow);display:flex;flex-direction:column;justify-content:space-between;min-height:280px}.lhCardBig:hover:not(.isDisabled){transform:translateY(-10px) scale(1.02);box-shadow:var(--card-hover-shadow)}.lhIconBadge{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;font-size:28px;margin-bottom:24px;transition:transform .3s ease}.lhCardBig:hover .lhIconBadge{transform:rotate(-10deg)}.card-ela .lhIconBadge{background:#fff5f5;color:var(--color-ela)}.card-math .lhIconBadge{background:#e7f5ff;color:var(--color-math)}.card-science .lhIconBadge{background:#ebfbee;color:var(--color-science)}.card-social-studies .lhIconBadge{background:#fff9db;color:var(--color-social)}.lhCardLabelBig{font-size:22px;font-weight:800;color:#1a202c;margin-bottom:8px}.lhCardMetaBig{font-size:15px;color:#718096;line-height:1.5;margin-bottom:20px}.lhStartPill{background:#1a202c;color:#fff;padding:12px 24px;border-radius:16px;font-weight:800;text-align:center;width:fit-content;transition:all .2s}.lhCardBig:hover .lhStartPill{padding:12px 32px;background:var(--subject-color, #1a202c)}.isDisabled{opacity:.6;filter:grayscale(.8);cursor:not-allowed}.adPage{min-height:100vh;display:flex;align-items:center;justify-content:center;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:#fff;color:#0b1220}.adShell{width:100%;max-width:420px;padding:24px}.adCard{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:32px 28px;box-shadow:0 10px 30px #0000000f,0 2px 8px #0000000a;text-align:center}.adLogo{width:56px;height:56px;object-fit:contain;margin-bottom:16px}.adTitle{font-size:22px;font-weight:800;margin:0}.adSub{font-size:14px;color:#6b7280;margin:6px 0 22px}.adError{background:#fee2e2;color:#991b1b;border:1px solid #fecaca;border-radius:10px;padding:10px 12px;font-size:13px;margin-bottom:14px;text-align:left}.adForm{display:grid;gap:14px}.adLabel{font-size:13px;font-weight:600;color:#374151;display:grid;gap:6px;text-align:left}.adInput{width:100%;padding:12px 14px;border-radius:12px;border:1px solid #d1d5db;background:#fff;font-size:14px;color:#0b1220;outline:none}.adInput:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f626}.adPrimary{margin-top:6px;width:100%;padding:12px 14px;border-radius:12px;border:none;background:#2563eb;color:#fff;font-size:14px;font-weight:700;cursor:pointer}.adPrimary:disabled{opacity:.6;cursor:not-allowed}.adHint{margin-top:18px;font-size:12px;color:#6b7280}.adDashPage{min-height:100vh;background:#fff;color:#0b1220;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.adDashShell{max-width:1000px;margin:0 auto;padding:28px 18px 60px}.adTop{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:14px;border:1px solid #e5e7eb;border-radius:18px;background:#fff;box-shadow:0 8px 24px #0000000a}.adLogout{border-radius:12px;padding:10px 12px;border:1px solid #fecaca;background:#fff5f5;color:#991b1b;font-weight:800;cursor:pointer}.adLoading{margin-top:14px;padding:14px 8px;color:#6b7280;font-weight:700}.adGrid{margin-top:14px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}@media (max-width: 980px){.adGrid{grid-template-columns:repeat(2,minmax(0,1fr))}}.adStat{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:12px;box-shadow:0 8px 20px #0000000a}.adStatLabel{font-size:12px;color:#6b7280;font-weight:700}.adStatValue{font-size:28px;font-weight:900;margin-top:6px;letter-spacing:-.6px}.adStatAction{cursor:pointer;text-align:left}.adStatAction:hover{border-color:#c7d2fe;box-shadow:0 14px 32px #3b82f61f;transform:translateY(-2px);transition:.15s ease}.adStatHint{margin-top:8px;font-size:12px;color:#6b7280;font-weight:600}.adSection{margin-top:18px}.adSectionTitle{font-weight:900;font-size:14px;color:#0b1220;margin:10px 0}.adActionGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}@media (max-width: 1100px){.adActionGrid{grid-template-columns:repeat(2,minmax(0,1fr))}}.adBigCard{border:1px solid #e5e7eb;background:#fff;border-radius:22px;padding:18px 16px;cursor:pointer;text-align:left;box-shadow:0 10px 24px #0000000d;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.adBigCard:hover{transform:translateY(-2px);box-shadow:0 18px 40px #00000014;border-color:#c7d2fe}.adBigIcon{width:66px;height:66px;border-radius:18px;border:1px solid #e5e7eb;background:#f8fafc;display:grid;place-items:center;font-size:24px;color:#2563eb}.adBigTitle{margin-top:14px;font-size:18px;font-weight:1000;letter-spacing:-.3px}.adBigSub{margin-top:6px;font-size:13px;color:#6b7280;font-weight:600;line-height:1.3}.adBtnGhost{border-radius:12px;padding:10px 12px;border:1px solid #e5e7eb;background:#fff;color:#0b1220;font-weight:900;cursor:pointer}.adPickGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:10px}@media (max-width: 1100px){.adPickGrid{grid-template-columns:repeat(2,minmax(0,1fr))}}.adPickCard{border:1px solid #e5e7eb;background:#fff;border-radius:22px;padding:18px 16px;cursor:pointer;text-align:left;box-shadow:0 10px 24px #0000000d;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.adPickCard:hover{transform:translateY(-2px);box-shadow:0 18px 40px #00000014;border-color:#c7d2fe}.adPickCard.isOn{border-color:#2563eb;box-shadow:0 18px 44px #2563eb2e}.adPickTitle{font-size:16px;font-weight:1000;letter-spacing:-.2px}.adPickSub{margin-top:8px;font-size:12px;color:#6b7280;font-weight:700;line-height:1.35}.adSummary{margin-top:16px;border:1px solid #e5e7eb;border-radius:18px;background:#fff;padding:14px;box-shadow:0 8px 20px #0000000a}.adSummaryTitle{font-weight:1000;margin-bottom:10px}.adSummaryRow{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid #f3f4f6}.adSummaryRow:last-of-type{border-bottom:none}.adSummaryKey{color:#6b7280;font-weight:800;font-size:13px}.adSummaryVal{font-weight:1000;font-size:13px}.adSummaryHint{margin-top:10px;font-size:12px;color:#6b7280;font-weight:700}.adPrimaryBtn{padding:12px 14px;border-radius:12px;border:none;background:#2563eb;color:#fff;font-weight:800;cursor:pointer}.adFormCard{margin-top:16px;background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:16px}.adLabel{font-size:13px;font-weight:700;color:#374151;display:grid;gap:6px}.adInput{width:100%;padding:12px 14px;border:1px solid #e5e7eb;border-radius:12px;outline:none;font-size:14px;background:#fff}.adTextarea{width:100%;padding:12px 14px;border:1px solid #e5e7eb;border-radius:12px;outline:none;font-size:14px;background:#fff;resize:vertical}.adPrimaryBtn{padding:12px 16px;border-radius:12px;border:none;background:#2563eb;color:#fff;font-weight:800;cursor:pointer}.adPrimaryBtn:disabled{opacity:.6;cursor:not-allowed}.adQuizCard{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:14px;display:grid;gap:10px}.adQuizTop{display:flex;justify-content:space-between;align-items:center;gap:10px}.rgNav{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #e6ebf3}.rgNavInner{max-width:1200px;margin:0 auto;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.rgNavLeft{display:flex;align-items:center;gap:32px}.rgNavBrand{display:flex;align-items:center;gap:10px;text-decoration:none}.rgNavLogoImg{width:50px;height:50px;object-fit:contain;flex-shrink:0;transition:transform .12s ease}.rgNavBrand:hover .rgNavLogoImg{transform:translateY(-1px)}.rgNavLogoText{font-size:20px;font-weight:900;letter-spacing:-.4px;color:#0b1220;text-decoration:none}.rgNavLogoText span{color:#2563eb}.rgNavLinks{display:flex;align-items:center;gap:22px}.rgNavLinks a{font-size:14px;font-weight:700;color:#475569;text-decoration:none;transition:color .12s ease}.rgNavLinks a:hover{color:#0b1220}.rgNavRight{display:flex;align-items:center;gap:14px}.rgNavLinkGhost{font-size:14px;font-weight:800;color:#0b1220;text-decoration:none;padding:10px 14px;border-radius:10px;border:1px solid transparent}.rgNavLinkGhost:hover{background:#f8fafc;border-color:#e6ebf3}.rgNavCta{height:42px;padding:0 18px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#0b1220,#111b2e);color:#fff;font-size:14px;font-weight:900;text-decoration:none;box-shadow:0 10px 24px #0f172a1f;transition:transform .12s ease,box-shadow .12s ease}.rgNavCta:hover{transform:translateY(-1px);box-shadow:0 16px 32px #0f172a29}@media (max-width: 768px){.rgNavLinks{display:none}}.rgNavLinkBtn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;padding:0;cursor:pointer;font-size:14px;font-weight:700;color:#475569;transition:color .12s ease;font-family:inherit}.rgNavLinkBtn:hover{color:#0b1220}:root{--card-radius: 24px}.lsPage{min-height:100vh;background:var(--theme-bg);background-image:radial-gradient(circle at 20% 20%,rgba(255,255,255,.8) 0%,transparent 40%);padding:40px 20px;font-family:Plus Jakarta Sans,sans-serif}.lsShell{max-width:1100px;margin:0 auto}.lsHeader{display:flex;justify-content:space-between;align-items:center;margin-bottom:48px}.lsBackBtn{background:#fff;border:none;padding:12px 20px;border-radius:16px;font-weight:800;display:flex;align-items:center;gap:8px;box-shadow:0 4px 12px #0000000d;cursor:pointer;color:#475569}.lsMainTitle{font-size:42px;font-weight:900;color:#0f172a;margin:0;letter-spacing:-1px;text-align:center}.lsSubtitle{text-align:center;font-weight:700;color:var(--theme);margin-top:4px}.lsGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}.lsCard{background:#fff;border-radius:var(--card-radius);padding:24px;display:flex;flex-direction:column;gap:16px;transition:all .3s cubic-bezier(.34,1.56,.64,1);box-shadow:0 10px 25px -5px #0000000d;border:2px solid transparent}.lsCard:hover{transform:translateY(-8px);border-color:var(--theme);box-shadow:0 20px 35px -10px #0000001a}.lsCardHeader{display:flex;justify-content:space-between;align-items:center}.lsTag{font-size:11px;font-weight:900;text-transform:uppercase;background:#f1f5f9;padding:4px 10px;border-radius:8px;color:#64748b}.lsCoinBadge{display:flex;align-items:center;gap:6px;background:#fffbeb;padding:4px 12px;border-radius:12px;font-weight:900;color:#b45309;border:1px solid #FEF3C7}.lsCoinImg{width:22px;height:22px;object-fit:contain}.lsLessonTitle{font-size:20px;font-weight:850;color:#1e293b;margin:0;line-height:1.2}.lsSummary{font-size:14px;color:#64748b;line-height:1.5;margin:0}.lsPlayBtn{margin-top:auto;background:var(--theme);color:#fff;border:none;padding:14px;border-radius:16px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;transition:filter .2s}.lsPlayBtn:hover{filter:brightness(1.1)}.lsCoinBadgeBig{display:flex;align-items:center;gap:8px;background:#fffbeb;padding:6px 14px;border-radius:16px;border:2px solid #FEF3C7;box-shadow:0 4px 10px #f59e0b1a}.lsCoinImgBig{width:32px;height:32px;object-fit:contain;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));animation:coinFloat 3s ease-in-out infinite}.lsCoinAmount{font-size:16px;font-weight:900;color:#b45309}@keyframes coinFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.lsCardHeader{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.lsTag{font-size:10px;font-weight:900;background:#f1f5f9;padding:4px 10px;border-radius:8px;color:#64748b;margin-top:6px}.lsUnits{display:flex;flex-direction:column;gap:22px}.lsUnit{background:#ffffff8c;border:1px solid rgba(15,23,42,.06);border-radius:22px;padding:18px 18px 20px;box-shadow:0 10px 25px #0000000a}.lsUnitHead{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}.lsUnitTitle{font-size:18px;font-weight:950;color:#0f172a;letter-spacing:-.3px}.lsUnitCount{font-size:12px;font-weight:900;color:#64748b;background:#fff;border:1px solid #e2e8f0;padding:6px 10px;border-radius:999px}.psPage{min-height:100vh;background:var(--bg, #f6f8fb);font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text, #0f172a);display:grid;place-items:center;padding:28px 16px}.psShell{width:100%;max-width:980px}.psCardWrap{background:#fff;border:1px solid #e6ecf5;border-radius:22px;padding:22px;box-shadow:0 10px 30px #0f172a0f}.psHeader{text-align:center;padding:8px 8px 16px}.psTitle{font-size:28px;font-weight:900;letter-spacing:-.02em}.psSub{margin-top:6px;color:#64748b;font-weight:600}.psError{display:flex;align-items:center;gap:10px;background:#fff1f2;color:#991b1b;border:1px solid #fecdd3;padding:10px 12px;border-radius:14px;margin:10px 0 16px;font-weight:700}.psLoading{display:grid;justify-items:center;gap:10px;padding:36px 0;color:#475569;font-weight:700}.psSpinner{width:28px;height:28px;border-radius:999px;border:3px solid #cbd5e1;border-top-color:#0f172a;animation:psSpin .9s linear infinite}@keyframes psSpin{to{transform:rotate(360deg)}}.psGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:8px}@media (max-width: 760px){.psGrid{grid-template-columns:1fr}}.psKid{text-align:center;border:1px solid #e6ecf5;border-radius:18px;padding:16px 14px 14px;background:linear-gradient(180deg,#fff,#fbfdff);cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.psKid:hover{transform:translateY(-2px);border-color:#d6e1f2;box-shadow:0 10px 22px #0f172a14}.psAvatar{width:78px;height:78px;border-radius:22px;margin:0 auto 12px;border:1px solid #e2e8f0;background:#f1f5f9;display:grid;place-items:center;overflow:hidden}.psAvatar img{width:100%;height:100%;object-fit:cover;display:block}.psAvatarIcon{font-size:30px;color:#0f172a;opacity:.9}.psKidName{font-weight:900;font-size:16px}.psKidMeta{margin-top:4px;color:#64748b;font-weight:700}.psKidCta{margin-top:12px;display:inline-flex;align-items:center;gap:8px;font-weight:900;color:#0f172a;background:#eef2ff;border:1px solid #e0e7ff;padding:8px 12px;border-radius:999px}.psFooter{margin-top:16px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.psGhost{display:inline-flex;align-items:center;gap:10px;border:1px solid #e2e8f0;background:#fff;padding:10px 12px;border-radius:999px;font-weight:800;cursor:pointer;color:#0f172a}.psGhost:hover{background:#f8fafc}.psEmpty{text-align:center;padding:18px 10px 6px}.psEmptyIcon{width:74px;height:74px;border-radius:22px;background:#f1f5f9;border:1px solid #e2e8f0;display:grid;place-items:center;margin:0 auto 12px;font-size:28px;color:#0f172a}.psEmptyTitle{font-weight:900;font-size:18px}.psEmptySub{margin-top:6px;color:#64748b;font-weight:700}.psPrimary{margin-top:14px;display:inline-flex;align-items:center;gap:10px;border:1px solid #0f172a;background:#0f172a;color:#fff;padding:12px 14px;border-radius:14px;font-weight:900;cursor:pointer}.psPrimary:hover{filter:brightness(1.05)}.psNote{margin-top:12px;color:#64748b;font-weight:700}.asPage{min-height:100vh;background:var(--bg, #f6f8fb);font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text, #0f172a);display:grid;place-items:center;padding:28px 16px}.asShell{width:100%;max-width:760px}.asCard{background:#fff;border:1px solid #e6ecf5;border-radius:22px;padding:22px;box-shadow:0 10px 30px #0f172a0f}.asHead{text-align:center;padding:8px 8px 14px}.asTitle{font-size:28px;font-weight:900;letter-spacing:-.02em}.asSub{margin-top:6px;color:#64748b;font-weight:700}.asPillRow{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:6px 0 14px}.asPill{display:inline-flex;align-items:center;gap:10px;border:1px solid #e2e8f0;background:#fff;padding:10px 14px;border-radius:999px;font-weight:900;color:#0f172a}.asPillSoft{background:#f8fafc}.asError{display:flex;align-items:center;gap:10px;background:#fff1f2;color:#991b1b;border:1px solid #fecdd3;padding:10px 12px;border-radius:14px;margin:10px 0 14px;font-weight:800}.asForm{display:grid;gap:12px;margin-top:6px}.asLabel{display:grid;gap:6px;font-weight:900}.asInput,.asSelect{border:1px solid #e2e8f0;background:#fff;border-radius:14px;padding:12px;font-weight:700;outline:none}.asInput:focus,.asSelect:focus{border-color:#c7d2fe;box-shadow:0 0 0 4px #6366f126}.asHint{display:flex;align-items:center;gap:10px;color:#475569;font-weight:700;background:#f8fafc;border:1px solid #e2e8f0;padding:10px 12px;border-radius:14px}.asActions{display:flex;gap:10px;justify-content:flex-end;margin-top:4px}.asPrimary{display:inline-flex;align-items:center;gap:10px;border:1px solid #0f172a;background:#0f172a;color:#fff;padding:12px 14px;border-radius:14px;font-weight:900;cursor:pointer}.asPrimary:disabled{opacity:.6;cursor:not-allowed}.asGhost{display:inline-flex;align-items:center;gap:10px;border:1px solid #e2e8f0;background:#fff;color:#0f172a;padding:12px 14px;border-radius:14px;font-weight:900;cursor:pointer}.asGhost:disabled{opacity:.6;cursor:not-allowed}.asLoading{display:grid;justify-items:center;gap:10px;padding:36px 0;color:#475569;font-weight:800}.asSpinner{width:28px;height:28px;border-radius:999px;border:3px solid #cbd5e1;border-top-color:#0f172a;animation:asSpin .9s linear infinite}@keyframes asSpin{to{transform:rotate(360deg)}}.asLock{text-align:center;padding:8px 6px 2px}.asLockIcon{width:74px;height:74px;border-radius:22px;background:#f1f5f9;border:1px solid #e2e8f0;display:grid;place-items:center;margin:0 auto 12px;font-size:28px;color:#0f172a}.asLockTitle{font-weight:1000;font-size:18px}.asLockText{margin-top:6px;color:#64748b;font-weight:700}.asRow{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:14px}*{box-sizing:border-box;margin:0;padding:0}.lpPage{width:100vw;height:100vh;overflow:hidden;background:#f6f8fc;padding:20px 18px;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#0b1220;display:flex}.lpShell{width:100%;max-width:1680px;margin:0 auto;height:100%;display:flex;flex-direction:column;min-width:0;min-height:0}.lpHeader{display:grid;grid-template-columns:140px 1fr 140px;align-items:center;gap:14px;margin-bottom:18px;flex:0 0 auto}.lpBack{justify-self:start;display:inline-flex;align-items:center;gap:10px;border:1px solid #e5eaf4;background:#fff;padding:10px 14px;border-radius:16px;font-weight:900;cursor:pointer;box-shadow:0 6px 18px #0b12200d}.lpBack:hover{background:#fbfcff}.lpHeaderCenter{text-align:center;min-width:0}.lpTitle{font-size:28px;line-height:1.1;font-weight:1000;letter-spacing:-.6px}.lpMeta{margin-top:8px;display:inline-flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;color:#5b667a;font-weight:800}.lpPill{background:#fff;border:1px solid #e5eaf4;padding:5px 12px;border-radius:999px;font-size:14px}.lpDot{color:#7b869b}.lpCoins{background:#fff6d6;border:1px solid #ffe4a1;padding:5px 12px;border-radius:999px;font-weight:1000;font-size:14px}.lpHeaderRight{min-height:1px}.lpLayout{flex:1;min-height:0;display:grid;grid-template-columns:560px 1fr;gap:24px}.lpTeacher{height:100%;min-height:0;display:flex;flex-direction:column;gap:14px}.lpTeacherStage{flex:1;min-height:0;position:relative;border-radius:30px;overflow:hidden;background:#fff;border:1px solid #e5eaf4;box-shadow:0 10px 30px #0b12200f}.lpTeacherBg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:1;-webkit-user-select:none;user-select:none;pointer-events:none}.lpTeacherCharacter{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;display:flex;align-items:flex-end;justify-content:center;overflow:hidden}.lpLive2D{width:100%;height:100%}.lpTeacherControls{display:flex;gap:12px;flex:0 0 auto}.lpGhostBtn{flex:1;min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 14px;border-radius:16px;border:1px solid #e5eaf4;background:#fff;font-weight:900;color:#7c8797;cursor:pointer;box-shadow:0 6px 18px #0b12200d}.lpGhostBtn:disabled{opacity:.55;cursor:not-allowed}.lpPanel{height:100%;min-height:0;display:flex;flex-direction:column;gap:18px}.lpBoardOnly{flex:1 1 auto;min-height:0;background:#fff;border:1px solid #e5eaf4;border-radius:30px;overflow:hidden;box-shadow:0 10px 30px #0b12200f;display:flex}.lpWhiteboardFit{width:100%;height:100%}.lpBottomTextPanel{flex:0 0 205px;min-height:205px;background:#fff;border:1px solid #e5eaf4;border-radius:30px;padding:18px 22px;box-shadow:0 10px 30px #0b12200f;display:flex;flex-direction:column;min-width:0;min-height:0}.lpCardTop{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;flex:0 0 auto}.lpBadge{font-size:11px;font-weight:1000;background:#f1f5ff;border:1px solid #dbe6ff;padding:7px 12px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}.lpProgress{font-size:13px;font-weight:900;color:#647086}.lpText{flex:1;min-height:0;overflow-y:auto;padding-right:8px;font-size:18px;line-height:1.55;font-weight:800;color:#0b1220}.lpStartScreen,.lpIntroWrap{flex:1;min-height:0;display:flex;flex-direction:column;justify-content:center}.lpIntroTitle{font-size:24px;font-weight:1000;margin-bottom:10px}.lpIntroText{font-size:16px;line-height:1.55;color:#3e4858;font-weight:700}.lpActions{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex:0 0 auto}.lpNext,.lpBigStartBtn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 24px;border-radius:16px;border:none;background:#0b1220;color:#fff;font-weight:1000;cursor:pointer;box-shadow:0 10px 22px #0b122029;transition:transform .18s ease,opacity .18s ease}.lpNext:hover:not(:disabled),.lpBigStartBtn:hover:not(:disabled){transform:translateY(-1px)}.lpNext:disabled,.lpBigStartBtn:disabled{opacity:.5;cursor:not-allowed;transform:none}.lpHint{font-size:13px;color:#6b768a;font-weight:800}.lpHintError{margin-top:10px;color:#d0342c}.lpStatus,.lpError{flex:1;display:grid;place-items:center;background:#fff;border:1px solid #e5eaf4;border-radius:26px;font-weight:900;box-shadow:0 10px 30px #0b12200f}.lpError{color:#d0342c}@media (max-width: 1280px){.lpLayout{grid-template-columns:460px 1fr}}@media (max-width: 1100px){.lpPage{height:auto;min-height:100vh;overflow:auto}.lpShell{height:auto}.lpHeader{grid-template-columns:1fr;gap:12px}.lpBack{justify-self:start}.lpLayout{grid-template-columns:1fr;gap:18px}.lpTeacher{min-height:420px}.lpBoardOnly{min-height:380px}.lpBottomTextPanel{flex:0 0 auto;min-height:220px}}@media (max-width: 640px){.lpPage{padding:14px}.lpTitle{font-size:22px}.lpMeta{gap:8px}.lpTeacherControls,.lpActions{flex-direction:column;align-items:stretch}.lpNext,.lpBigStartBtn,.lpGhostBtn{width:100%}.lpHint{text-align:center}}.rbWrap{position:relative;width:100%;max-width:1200px;margin:0 auto;aspect-ratio:16 / 9;min-height:420px;-webkit-user-select:none;user-select:none}.rbCanvas{position:absolute;top:7.5%;right:8.2%;bottom:11.5%;left:8.2%;overflow:hidden;border-radius:18px;background:transparent;z-index:1}.rbLessonImage{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain;display:block;pointer-events:none;-webkit-user-select:none;user-select:none;z-index:1}.rbFrame{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain;pointer-events:none;-webkit-user-select:none;user-select:none;z-index:2}.rbEmptyDebug{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:20px;color:#333;font-weight:700;z-index:1}.quizLivePage{min-height:100vh;background:linear-gradient(180deg,#f6f8ff,#eef3ff);padding:24px;box-sizing:border-box;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.quizLiveShell{width:100%;max-width:1180px;margin:0 auto}.quizLiveHeader{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}.quizLiveBack,.quizLivePrimaryBtn,.quizLiveSecondaryBtn,.quizLiveChoiceBtn{border:0;cursor:pointer;transition:.2s ease;font:inherit}.quizLiveBack{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#1f2937;border-radius:14px;padding:12px 16px;box-shadow:0 10px 30px #1d4ed814;font-weight:700}.quizLiveBack:hover:not(:disabled){transform:translateY(-1px)}.quizLiveHeaderCenter{flex:1;min-width:240px;text-align:center}.quizLiveTitle{font-size:28px;font-weight:800;color:#111827;line-height:1.1}.quizLiveMeta{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:8px;color:#4b5563;font-size:14px}.quizLivePill,.quizLiveCoins{background:#ffffffeb;padding:6px 12px;border-radius:999px;border:1px solid #e5e7eb;font-weight:700}.quizLiveDot{opacity:.5}.quizLiveTimer{display:inline-flex;align-items:center;gap:8px;background:#111827;color:#fff;border-radius:14px;padding:12px 16px;font-weight:700}.quizLiveMain{display:block}.quizLiveCard{background:#fff;border-radius:28px;padding:30px;box-shadow:0 20px 60px #0f172a14;border:1px solid #e6ebf5}.quizLiveTopRow{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;flex-wrap:wrap}.quizLiveLesson{font-size:22px;font-weight:800;color:#111827;line-height:1.25}.quizLiveSub{margin-top:6px;color:#6b7280;font-size:15px;font-weight:600}.quizLivePrompt{font-size:22px;line-height:1.5;color:#111827;font-weight:800;margin-bottom:22px}.quizLiveChoices{display:grid;gap:12px;margin-bottom:22px}.quizLiveChoiceBtn{text-align:left;padding:16px 18px;border-radius:16px;background:#f8fafc;border:2px solid transparent;color:#111827;font-weight:700;font-size:16px}.quizLiveChoiceBtn:hover:not(:disabled){background:#eef2ff}.quizLiveChoiceBtn.isSelected{border-color:#4f46e5;background:#eef2ff}.quizLiveAnswerArea{margin-bottom:22px}.quizLiveTextarea{width:100%;min-height:180px;resize:vertical;border-radius:16px;border:1px solid #dbe3f0;padding:16px;font:inherit;font-size:16px;outline:none;box-sizing:border-box;line-height:1.5}.quizLiveTextarea:focus{border-color:#4f46e5;box-shadow:0 0 0 4px #4f46e51a}.quizLiveActions{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:12px}.quizLivePrimaryBtn,.quizLiveSecondaryBtn{min-width:150px;padding:14px 18px;border-radius:14px;font-weight:800}.quizLivePrimaryBtn{background:linear-gradient(135deg,#4f46e5,#2563eb);color:#fff}.quizLivePrimaryBtn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 14px 28px #4f46e538}.quizLiveSecondaryBtn{background:#eef2ff;color:#312e81}.quizLiveSecondaryBtn:hover:not(:disabled){transform:translateY(-1px)}.quizLivePrimaryBtn:disabled,.quizLiveSecondaryBtn:disabled,.quizLiveChoiceBtn:disabled,.quizLiveBack:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.quizLiveStatus,.quizLiveError{padding:16px 18px;border-radius:16px;font-weight:700}.quizLiveStatus{background:#f8fafc;color:#334155}.quizLiveError{background:#fef2f2;color:#b91c1c}.quizLiveResult{max-width:100%}.quizLiveResultBadge{display:inline-block;background:#ecfdf5;color:#047857;padding:8px 14px;border-radius:999px;font-weight:800;margin-bottom:16px;border:1px solid #bbf7d0}.quizLiveResultTitle{margin:0 0 10px;font-size:30px;color:#111827;line-height:1.15}.quizLiveResultText{font-size:18px;color:#374151;margin-bottom:18px;line-height:1.5}.quizLiveSummaryBox,.quizLiveReviewBox,.quizLiveCorrectionBox{border-radius:18px;padding:18px 20px;margin-bottom:18px;border:1px solid #e5e7eb}.quizLiveSummaryBox{background:#f8fafc}.quizLiveReviewBox{background:#fff}.quizLiveCorrectionBox{background:#eef6ff;border-color:#cfe0ff}.quizLiveSummaryBox,.quizLiveCorrectionBox,.quizLiveReviewBox li,.quizLiveAnswerLine{font-size:16px;line-height:1.65;color:#374151}.quizLiveReviewBox h3,.quizLiveCorrectionBox h3,.quizLiveAnswersReview h3{margin:0 0 12px;color:#111827;font-size:20px;line-height:1.2}.quizLiveReviewBox ul{margin:0;padding-left:22px}.quizLiveReviewBox li{margin-bottom:8px}.quizLiveAnswersReview{margin-top:24px}.quizLiveAnswersReview h3{margin-bottom:16px}.quizLiveAnswerRow{border-radius:20px;padding:18px 20px;margin-bottom:16px;border:1px solid #e5e7eb}.quizLiveAnswerRow.isCorrect{background:#f0fdf4;border-color:#bbf7d0}.quizLiveAnswerRow.isWrong{background:#fef2f2;border-color:#fecaca}.quizLiveAnswerRowTop{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:#111827;font-size:16px}.quizLiveAnswerPrompt{font-weight:800;color:#111827;margin-bottom:12px;line-height:1.6;font-size:17px}.quizLiveAnswerLine{margin-bottom:8px;word-break:break-word}.quizLiveAnswerLine strong{color:#111827}.quizLiveResultActions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}@media (max-width: 900px){.quizLivePage{padding:16px}.quizLiveCard{padding:22px;border-radius:22px}.quizLiveTitle{font-size:24px}.quizLivePrompt{font-size:20px}.quizLiveResultTitle{font-size:26px}}@media (max-width: 768px){.quizLiveHeader{align-items:stretch}.quizLiveHeaderCenter{text-align:left}.quizLiveMeta{justify-content:flex-start}.quizLiveActions,.quizLiveResultActions{flex-direction:column}.quizLivePrimaryBtn,.quizLiveSecondaryBtn{width:100%}.quizLiveCard{padding:18px}.quizLivePrompt{font-size:18px}.quizLiveAnswerPrompt{font-size:16px}.quizLiveSummaryBox,.quizLiveReviewBox,.quizLiveCorrectionBox,.quizLiveAnswerRow{padding:16px}}.collectRewardPage{min-height:100vh;background:radial-gradient(circle at top left,rgba(72,111,255,.16),transparent 28%),linear-gradient(180deg,#f6f8ff,#eef3ff);font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;padding:24px}.collectRewardShell{max-width:980px;margin:0 auto}.collectRewardHeader{display:flex;align-items:center;margin-bottom:24px}.collectRewardBack{display:inline-flex;align-items:center;gap:10px;border:none;background:#fff;color:#1d2a52;padding:12px 18px;border-radius:14px;cursor:pointer;font-weight:700;box-shadow:0 12px 32px #243b8014}.collectRewardMain{display:flex;justify-content:center}.collectRewardCard{width:100%;max-width:720px;background:#fff;border-radius:32px;padding:40px 28px;box-shadow:0 24px 60px #1f34741f;text-align:center}.collectRewardTop{margin-bottom:22px}.collectRewardBadge{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;border-radius:999px;background:#eefbf2;border:1px solid #bde8c7;color:#1f7a39;font-weight:800;margin-bottom:18px}.collectRewardTitle{margin:0;font-size:2.2rem;line-height:1.1;color:#18264d;font-weight:900}.collectRewardSubtitle{margin:14px auto 0;max-width:540px;font-size:1.02rem;color:#5b6787;line-height:1.7}.collectRewardCoinWrap{display:flex;justify-content:center;margin:28px 0 20px}.collectRewardCoin{width:170px;height:170px;object-fit:contain;filter:drop-shadow(0 18px 30px rgba(33,56,133,.2));transform:scale(1);transition:transform .25s ease,opacity .25s ease}.collectRewardCoin.isCollected{transform:scale(1.08);opacity:.9}.collectRewardInfo{margin-bottom:18px}.collectRewardLesson{font-size:1.15rem;font-weight:800;color:#1f2d55;margin-bottom:8px}.collectRewardMeta{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;color:#6a7698;font-weight:600}.collectRewardDot{opacity:.55}.collectRewardAmount{font-size:2rem;font-weight:900;color:#2d5bff;margin:22px 0 28px}.collectRewardActions{display:flex;justify-content:center}.collectRewardBtn{min-width:240px;border:none;border-radius:18px;padding:18px 26px;background:linear-gradient(135deg,#4a4cf7,#2766ea);color:#fff;font-size:1rem;font-weight:800;cursor:pointer;box-shadow:0 18px 36px #2f53e847;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:transform .2s ease,opacity .2s ease}.collectRewardBtn:hover{transform:translateY(-2px)}.collectRewardBtn:disabled{cursor:default;opacity:.9}@media (max-width: 640px){.collectRewardPage{padding:16px}.collectRewardCard{padding:28px 18px;border-radius:24px}.collectRewardTitle{font-size:1.8rem}.collectRewardCoin{width:130px;height:130px}.collectRewardAmount{font-size:1.7rem}.collectRewardBtn{width:100%;min-width:0}}:root{color-scheme:light}html,body{margin:0;padding:0;background:#fff}*{box-sizing:border-box}*{font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}