.MeasureWords_mwPage__PS0HN{min-height:100vh;background:#f8fafc;color:#334155;padding-bottom:3.5rem}.dark .MeasureWords_mwPage__PS0HN{background:#0f172a;color:#cbd5e1}.MeasureWords_mwWrap__7Ry_a{max-width:1200px;margin:0 auto;padding:0 1.25rem}.MeasureWords_mwTopbar__hyfec{background:#fff;border-bottom:1px solid #e2e8f0;padding:.75rem 0}.dark .MeasureWords_mwTopbar__hyfec{background:#1e293b;border-color:#334155}.MeasureWords_mwHero__FFjFi{position:relative;border-radius:20px;overflow:hidden;margin-top:1.5rem;padding:2.75rem 2rem 2.25rem;color:#fff;box-shadow:0 10px 25px -5px rgba(99,102,241,.25)}.MeasureWords_mwHeroBg__yquFw{position:absolute;inset:0;background:linear-gradient(135deg,#4f46e5,#7c3aed 50%,#9333ea);z-index:0}.MeasureWords_mwHeroBg__yquFw:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,hsla(0,0%,100%,.18) 0,transparent 60%)}.MeasureWords_mwHeroContent__YXPji{position:relative;z-index:1;text-align:center}.MeasureWords_mwHeroChars__cTafP{display:flex;justify-content:center;gap:12px;margin-bottom:1rem}.MeasureWords_mwHeroChars__cTafP span{width:46px;height:46px;border-radius:12px;background:hsla(0,0%,100%,.18);backdrop-filter:blur(8px);border:1px solid hsla(0,0%,100%,.25);display:flex;align-items:center;justify-content:center;font-size:1.35rem;font-weight:800;box-shadow:0 4px 12px rgba(0,0,0,.1)}.MeasureWords_mwHeroTitle__SIBoV{font-size:2rem;font-weight:800;margin:0 0 .5rem;letter-spacing:-.025em}.MeasureWords_mwHeroSub__bpZLl{font-size:.95rem;opacity:.9;margin:0}.MeasureWords_mwSearchWrap__gBhvq{margin:1.5rem 0}.MeasureWords_mwSearch__zJuxu{position:relative;display:flex;align-items:center;background:#fff;border:1px solid #e2e8f0;border-radius:14px;max-width:520px;margin:0 auto;box-shadow:0 2px 8px rgba(0,0,0,.04)}.dark .MeasureWords_mwSearch__zJuxu{background:#1e293b;border-color:#334155}.MeasureWords_mwSearchIcon__Clxx4{position:absolute;left:16px;color:#94a3b8}.MeasureWords_mwSearchInput__Acl_I{width:100%;padding:12px 42px 12px 46px;border:none;outline:none;font-size:.9rem;background:transparent;border-radius:14px;color:inherit}.MeasureWords_mwSearchClear__CXvTV{position:absolute;right:12px;width:24px;height:24px;border-radius:50%;border:none;background:#f1f5f9;color:#64748b;cursor:pointer;display:flex;align-items:center;justify-content:center}.dark .MeasureWords_mwSearchClear__CXvTV{background:#334155;color:#94a3b8}.MeasureWords_mwGrid__YaXC9{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}@media (max-width:768px){.MeasureWords_mwGrid__YaXC9{grid-template-columns:1fr}}.MeasureWords_mwCard__qxEP_{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:1.25rem;transition:all .2s ease;display:flex;flex-direction:column;gap:12px}.dark .MeasureWords_mwCard__qxEP_{background:#1e293b;border-color:#334155}.MeasureWords_mwCard__qxEP_:hover{border-color:#a5b4fc;box-shadow:0 8px 24px rgba(99,102,241,.08);transform:translateY(-2px)}.MeasureWords_mwCardHeader__fyF62{display:flex;align-items:center;gap:14px}.MeasureWords_mwCardIcon__30yWR{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.MeasureWords_mwCardBody__nHTRp{flex:1;min-width:0}.MeasureWords_mwCardTitle__WhH3O{font-size:1.05rem;font-weight:700;color:#0f172a;margin:0 0 3px}.dark .MeasureWords_mwCardTitle__WhH3O{color:#f8fafc}.MeasureWords_mwCardDesc__7wq_s{font-size:.8rem;color:#64748b;margin:0;line-height:1.4}.dark .MeasureWords_mwCardDesc__7wq_s{color:#94a3b8}.MeasureWords_mwLessonsList__k6kvP{display:flex;flex-wrap:wrap;gap:8px;padding-top:10px;border-top:1px solid #f1f5f9}.dark .MeasureWords_mwLessonsList__k6kvP{border-top-color:#334155}.MeasureWords_mwLessonChip__fLecY{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:8px;background:#f8fafc;border:1px solid #e2e8f0;font-size:.82rem;font-weight:600;color:#334155;text-decoration:none;transition:all .15s ease}.dark .MeasureWords_mwLessonChip__fLecY{background:#0f172a;border-color:#334155;color:#cbd5e1}.MeasureWords_mwLessonChip__fLecY:hover{background:#6366f1;color:#fff;border-color:#6366f1;transform:translateY(-1px)}.MeasureWords_mwFeatures__DFiub{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:1.75rem;margin-top:2rem}.dark .MeasureWords_mwFeatures__DFiub{background:#1e293b;border-color:#334155}.MeasureWords_mwFeaturesTitle__1YzG_{display:flex;align-items:center;gap:8px;font-size:1.05rem;font-weight:700;color:#0f172a;margin:0 0 1.25rem}.dark .MeasureWords_mwFeaturesTitle__1YzG_{color:#f8fafc}.MeasureWords_mwFeaturesGrid___H6fw{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width:640px){.MeasureWords_mwFeaturesGrid___H6fw{grid-template-columns:1fr}}.MeasureWords_mwFeat__pFa5M{background:#f8fafc;border-radius:12px;padding:1.25rem}.dark .MeasureWords_mwFeat__pFa5M{background:#0f172a}.MeasureWords_mwFeatIcon__U6wA5{width:40px;height:40px;border-radius:10px;background:#eff6ff;color:#2563eb;display:flex;align-items:center;justify-content:center;margin-bottom:.75rem}.MeasureWords_mwFeatIconGreen__JEzMo{background:#f0fdf4;color:#16a34a}.MeasureWords_mwFeat__pFa5M h4{margin:0 0 .35rem;font-size:.92rem;font-weight:700;color:#0f172a}.dark .MeasureWords_mwFeat__pFa5M h4{color:#f8fafc}.MeasureWords_mwFeat__pFa5M p{margin:0;font-size:.82rem;color:#64748b;line-height:1.5}.dark .MeasureWords_mwFeat__pFa5M p{color:#94a3b8}.MeasureWords_studyContainer__1iFKo{max-width:800px;margin:0 auto;padding:1.5rem 1rem 3rem}.MeasureWords_studyNav__cX8_W{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}.MeasureWords_progressBarContainer__LOz5S{display:flex;align-items:center;gap:10px;width:100%;max-width:280px}.MeasureWords_progressBar__BMx22{flex:1;height:8px;background:#e2e8f0;border-radius:9999px;overflow:hidden}.dark .MeasureWords_progressBar__BMx22{background:#334155}.MeasureWords_progressFill__UJGeA{height:100%;background:linear-gradient(90deg,#6366f1,#8b5cf6);border-radius:9999px;transition:width .3s ease}.MeasureWords_progressText__pQGMu{font-size:.8rem;font-weight:600;color:#64748b;min-width:45px;text-align:right}.MeasureWords_studyCard__QXtS3{background:#fff;border-radius:20px;border:1px solid #e2e8f0;box-shadow:0 10px 30px rgba(0,0,0,.04);padding:2rem;margin-bottom:1.5rem}.dark .MeasureWords_studyCard__QXtS3{background:#1e293b;border-color:#334155}.MeasureWords_detailHeader__9MU1E{display:flex;align-items:center;gap:1.5rem;margin-bottom:1.75rem;padding-bottom:1.5rem;border-bottom:1px solid #f1f5f9}.dark .MeasureWords_detailHeader__9MU1E{border-bottom-color:#334155}.MeasureWords_detailChar__mY8dy{width:84px;height:84px;border-radius:18px;background:linear-gradient(135deg,#eff6ff,#e0e7ff);color:#4f46e5;display:flex;align-items:center;justify-content:center;font-size:3rem;font-weight:800;box-shadow:inset 0 2px 6px hsla(0,0%,100%,.8)}.dark .MeasureWords_detailChar__mY8dy{background:linear-gradient(135deg,#312e81,#3730a3);color:#c7d2fe}.MeasureWords_detailPinyin__idOiG{font-size:1.4rem;font-weight:700;color:#0f172a;display:flex;align-items:center;gap:.5rem}.dark .MeasureWords_detailPinyin__idOiG{color:#f8fafc}.MeasureWords_audioBtn__KLlfR{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:#f1f5f9;color:#4f46e5;border:none;cursor:pointer;transition:all .15s ease}.MeasureWords_audioBtn__KLlfR:hover{background:#6366f1;color:#fff}.MeasureWords_detailExplanation__wW9Ql{font-size:.95rem;line-height:1.6;color:#475569;background:#f8fafc;padding:1rem 1.25rem;border-radius:12px;border-left:4px solid #6366f1;margin-bottom:1.75rem}.dark .MeasureWords_detailExplanation__wW9Ql{background:#0f172a;color:#cbd5e1}.MeasureWords_examplesTitle__rLM6J{font-size:1rem;font-weight:700;color:#0f172a;margin-bottom:.85rem}.dark .MeasureWords_examplesTitle__rLM6J{color:#f8fafc}.MeasureWords_examplesGrid__7PIDc{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}.MeasureWords_exampleCard__t_Oy0{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:.85rem 1rem;transition:all .15s ease}.dark .MeasureWords_exampleCard__t_Oy0{background:#0f172a;border-color:#334155}.MeasureWords_exampleWord__wXtbn{font-size:1.15rem;font-weight:700;color:#0f172a}.dark .MeasureWords_exampleWord__wXtbn{color:#f8fafc}.MeasureWords_examplePinyin__0YIVa{font-size:.82rem;color:#6366f1;font-weight:600}.MeasureWords_exampleMeaning__dDu1h{font-size:.8rem;color:#64748b;margin-top:2px}.dark .MeasureWords_exampleMeaning__dDu1h{color:#94a3b8}.MeasureWords_questionTitle__HMjie{font-size:1.15rem;font-weight:700;color:#0f172a;margin-bottom:1.25rem;line-height:1.5}.dark .MeasureWords_questionTitle__HMjie{color:#f8fafc}.MeasureWords_questionTarget__Wykrp{display:inline-block;font-size:1.75rem;font-weight:800;color:#4f46e5;background:#eff6ff;padding:.4rem 1.25rem;border-radius:12px;margin-bottom:1.25rem}.dark .MeasureWords_questionTarget__Wykrp{background:#312e81;color:#c7d2fe}.MeasureWords_optionsGrid__ua0aB{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}@media (max-width:600px){.MeasureWords_optionsGrid__ua0aB{grid-template-columns:1fr}}.MeasureWords_optionBtn__8jXwX{padding:1rem 1.25rem;border-radius:14px;border:2px solid #e2e8f0;background:#fff;color:#1e293b;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .15s ease;text-align:center}.dark .MeasureWords_optionBtn__8jXwX{background:#1e293b;border-color:#334155;color:#e2e8f0}.MeasureWords_optionBtn__8jXwX:hover:not(:disabled){border-color:#818cf8;background:#f5f3ff;transform:translateY(-2px)}.MeasureWords_optionBtnCorrect__kjZA0{border-color:#10b981!important;background:#ecfdf5!important;color:#065f46!important;font-weight:700}.dark .MeasureWords_optionBtnCorrect__kjZA0{background:rgba(16,185,129,.2)!important;color:#6ee7b7!important;border-color:#10b981!important}.MeasureWords_optionBtnWrong__Enir7{border-color:#ef4444!important;background:#fef2f2!important;color:#991b1b!important}.dark .MeasureWords_optionBtnWrong__Enir7{background:rgba(239,68,68,.2)!important;color:#fca5a5!important;border-color:#ef4444!important}.MeasureWords_orderPool__C2u7m{display:flex;flex-wrap:wrap;gap:10px;min-height:56px;padding:12px;background:#f8fafc;border-radius:14px;border:2px dashed #cbd5e1;margin-bottom:1.25rem}.dark .MeasureWords_orderPool__C2u7m{background:#0f172a;border-color:#475569}.MeasureWords_orderWordChip__xIfZX{padding:8px 16px;border-radius:10px;background:#fff;border:1px solid #cbd5e1;color:#0f172a;font-size:1.05rem;font-weight:600;cursor:pointer;transition:all .15s ease}.dark .MeasureWords_orderWordChip__xIfZX{background:#1e293b;border-color:#334155;color:#f8fafc}.MeasureWords_orderWordChip__xIfZX:hover{border-color:#6366f1;color:#6366f1;transform:translateY(-2px)}.MeasureWords_studyActions__LXhE5{display:flex;justify-content:flex-end;gap:12px;margin-top:1.5rem}.MeasureWords_primaryBtn__Veqzr{display:inline-flex;align-items:center;gap:8px;padding:.85rem 1.75rem;border-radius:12px;background:#6366f1;color:#fff;font-size:.95rem;font-weight:700;border:none;cursor:pointer;transition:all .15s ease;box-shadow:0 4px 12px rgba(99,102,241,.3)}.MeasureWords_primaryBtn__Veqzr:hover:not(:disabled){background:#4f46e5;transform:translateY(-1px)}.MeasureWords_primaryBtn__Veqzr:disabled{opacity:.6;cursor:not-allowed}.MeasureWords_feedbackBox__0JmS4{margin-top:1.25rem;padding:1rem 1.25rem;border-radius:12px;display:flex;align-items:center;gap:10px;font-size:.95rem;font-weight:600;animation:MeasureWords_popupFade__Hndd8 .2s ease}.MeasureWords_feedbackCorrect__7rXlY{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.dark .MeasureWords_feedbackCorrect__7rXlY{background:rgba(16,185,129,.15);color:#6ee7b7;border-color:rgba(16,185,129,.3)}.MeasureWords_feedbackWrong__PcHIf{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.dark .MeasureWords_feedbackWrong__PcHIf{background:rgba(239,68,68,.15);color:#fca5a5;border-color:rgba(239,68,68,.3)}.MeasureWords_completeCard__n0aDf{text-align:center;padding:3rem 2rem}.MeasureWords_trophyIcon__cZ4YC{width:80px;height:80px;border-radius:50%;background:#fef3c7;color:#d97706;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}.MeasureWords_completeTitle__d7anw{font-size:1.75rem;font-weight:800;color:#0f172a;margin-bottom:.5rem}.dark .MeasureWords_completeTitle__d7anw{color:#f8fafc}.MeasureWords_completeScore__tu_Eu{font-size:1.1rem;color:#64748b;margin-bottom:2rem}