._shell_1av25_1{color:#14213d;background:#fff;border:1px solid #dce4ef;border-radius:24px;width:min(1040px,100% - 32px);margin:8px auto 72px;padding:24px 32px 28px;box-shadow:0 24px 60px #283e641f}._topicBanner_1av25_12{color:#33415d;background:#f7f9fc;border:1px solid #dce4ef;border-radius:12px;justify-content:space-between;align-items:center;gap:16px;margin:0 0 16px;padding:12px 15px;display:flex}._topicBanner_1av25_12 div{gap:2px;display:grid}._topicBanner_1av25_12 span{color:#60708d;letter-spacing:.1em;font-size:10px;font-weight:800}._topicBanner_1av25_12 a{color:#1f5fdb;font-size:13px;font-weight:850;text-decoration:none}._topicBanner_1av25_12>strong{color:#075f47;background:#e9fbf3;border-radius:8px;padding:7px 10px;font-size:11px}._questionHeading_1av25_18{flex-wrap:wrap;align-items:baseline;gap:12px;margin:0 0 14px;display:flex}._questionHeading_1av25_18 span{color:#1f5fdb;font-size:22px;font-weight:850}._questionHeading_1av25_18 strong{color:#14213d;font-size:17px}._questionHeading_1av25_18 small{color:#60708d;font-size:12px;font-weight:750}._imageControls_1av25_23{display:none}._questionImage_1av25_24{background:#fafbfc;border:1px solid #dce4ef;border-radius:15px;margin:0;padding:12px;overflow:auto}._questionImage_1av25_24 img{background:#fff;width:100%;min-width:620px;height:auto;display:block}._fitImage_1av25_26{overflow:hidden}._fitImage_1av25_26 img{min-width:0}._answerArea_1av25_29{border:0;margin:28px 0 0;padding:0}._answerArea_1av25_29 legend{color:#33415d;text-align:center;width:100%;margin-bottom:14px;font-size:15px;font-weight:750}._choices_1av25_31{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}._choice_1av25_31{color:#14213d;cursor:pointer;background:#fff;border:2px solid #dce4ef;border-radius:14px;width:66px;height:58px;font-size:20px;font-weight:850}._choice_1av25_31._correct_1av25_33{color:#fff;background:#087f5b;border-color:#087f5b}._choice_1av25_31._wrong_1av25_34{color:#fff;background:#c92a2a;border-color:#c92a2a}._choice_1av25_31:focus-visible,._navigation_1av25_35 a:focus-visible{outline-offset:3px;outline:3px solid #1f5fdb52}._reviewExclusion_1av25_36{color:#52627d;cursor:pointer;background:#f7f9fc;border:1px solid #dce4ef;border-radius:10px;align-items:center;gap:9px;width:fit-content;margin:14px auto 0;padding:10px 14px;font-size:13px;font-weight:700;display:flex}._reviewExclusion_1av25_36 input{accent-color:#1f5fdb;cursor:pointer;width:18px;height:18px;margin:0}._reviewExclusion_1av25_36:has(input:focus-visible){outline-offset:3px;outline:3px solid #1f5fdb52}._result_1av25_40{text-align:center;border-radius:15px;place-content:center;min-height:82px;margin-top:22px;padding:17px 20px;display:grid}._result_1av25_40 p{margin:4px 0 0;font-size:14px}._idle_1av25_42{color:#60708d;background:#f5f8fc}._resultCorrect_1av25_43{color:#075e45;background:#e8f8f1}._resultWrong_1av25_44{color:#9e2020;background:#fff0f0}._result_1av25_40 strong{font-size:18px}._explanation_1av25_47{color:#263650;background:#f4f7ff;border:1px solid #cfddff;border-left:5px solid #1f5fdb;border-radius:14px;margin-top:18px;padding:0 26px}._explanation_1av25_47 summary{color:#1f5fdb;cursor:pointer;padding:20px 0;font-size:15px;font-weight:850}._explanationBody_1av25_49{padding:0 0 24px;font-size:14px;line-height:1.9}._explanationBody_1av25_49 p{white-space:pre-line;margin:0 0 14px}._explanationBody_1av25_49 p:last-child{margin-bottom:0}._mathInline_1av25_52{font-size:1.05em}._mathBlock_1av25_53{color:#14213d;text-align:center;background:#fff;border:1px solid #dce4ef;border-radius:10px;margin:16px 0;padding:12px 16px;font-size:1.08em;overflow-x:auto}._relatedQuestions_1av25_55{color:#263650;background:#fffaf0;border:1px solid #f0d9a5;border-radius:14px;justify-content:space-between;align-items:center;gap:20px;margin-top:14px;padding:18px 20px;display:flex}._relatedQuestions_1av25_55 div{gap:3px;display:grid}._relatedQuestions_1av25_55 span{color:#9a6516;letter-spacing:.1em;font-size:10px;font-weight:850}._relatedQuestions_1av25_55 strong{color:#5f410f;font-size:15px}._relatedQuestions_1av25_55 p{color:#726244;margin:2px 0 0;font-size:11px;line-height:1.6}._relatedQuestionActions_1av25_60{text-align:center;flex:none;gap:7px!important;display:grid!important}._relatedQuestionActions_1av25_60 a{color:#87550e;font-size:11px;font-weight:800;text-decoration:none}._relatedQuestionActions_1av25_60 ._relatedPrimaryAction_1av25_62{color:#fff;background:#a66b13;border-radius:10px;padding:11px 14px;font-size:12px;font-weight:850}._relatedQuestionActions_1av25_60 ._relatedPrimaryAction_1av25_62:hover{background:#87550e}._relatedQuestionActions_1av25_60 a:focus-visible{outline-offset:3px;outline:3px solid #a66b1347}._returnToYear_1av25_66{color:#173b2d;background:#f1fbf7;border:1px solid #a9e4cb;border-radius:14px;justify-content:space-between;align-items:center;gap:18px;margin-top:14px;padding:17px 20px;display:flex}._returnToYear_1av25_66 div{gap:3px;display:grid}._returnToYear_1av25_66 span{color:#527066;letter-spacing:.08em;font-size:10px;font-weight:850}._returnToYear_1av25_66 strong{font-size:14px}._returnToYear_1av25_66 a{color:#fff;background:#087f5b;border-radius:10px;flex:none;padding:11px 14px;font-size:12px;font-weight:850;text-decoration:none}._returnToYear_1av25_66 a:hover{background:#066b4c}._returnToYear_1av25_66 a:focus-visible{outline-offset:3px;outline:3px solid #087f5b47}._scoreSummary_1av25_74{background:linear-gradient(145deg,#f7faff,#eef4ff);border:1px solid #c7d8ff;border-radius:18px;margin-top:22px;padding:28px}._scoreKicker_1av25_75{color:#1f5fdb;letter-spacing:.12em;margin:0 0 5px;font-size:11px;font-weight:850}._scoreSummary_1av25_74 h2{margin:0;font-size:22px}._scoreValue_1av25_77{align-items:flex-end;gap:18px;margin:22px 0 8px;display:flex}._scoreValue_1av25_77>strong{color:#1f5fdb;font-size:52px;line-height:1}._scoreValue_1av25_77>strong span{margin-left:3px;font-size:21px}._scoreValue_1av25_77 p{color:#33415d;margin:0 0 4px;font-size:14px;font-weight:750}._answerTable_1av25_81{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:20px;display:grid}._answerTable_1av25_81 a{border:1px solid;border-radius:10px;justify-content:space-between;align-items:center;gap:8px;min-height:52px;padding:9px 11px;font-size:11px;font-weight:750;text-decoration:none;display:flex}._answerTable_1av25_81 a strong{font-size:20px}._answerTable_1av25_81 a span{gap:2px;display:grid}._answerTable_1av25_81 a small{opacity:.72;font-size:9px;font-weight:700}._answerCorrect_1av25_86{color:#087f5b;background:#e8f8f1;border-color:#a9dfca!important}._answerWrong_1av25_87{color:#c92a2a;background:#fff0f0;border-color:#f1b9b9!important}._answerPending_1av25_88{color:#60708d;background:#fff;border-color:#dce4ef!important}._navigation_1av25_35{border-top:1px solid #dce4ef;justify-content:space-between;gap:10px;margin-top:25px;padding-top:24px;display:flex}._navigation_1av25_35 a{color:#60708d;border-radius:10px;padding:11px 15px;font-size:14px;font-weight:750;text-decoration:none}._navigation_1av25_35 ._next_1av25_92{color:#fff;background:#1f5fdb}._topNavigation_1av25_93{border-top:0;border-bottom:1px solid #dce4ef;margin:0 0 18px;padding:0 0 16px}._attribution_1av25_94{color:#60708d;border-top:1px solid #dce4ef;margin-top:22px;padding-top:18px;font-size:11px;line-height:1.7}._attribution_1av25_94 p{margin:3px 0}._attribution_1av25_94 a{color:#1f5fdb}@media (width<=680px){._shell_1av25_1{border-radius:19px;width:calc(100% - 20px);margin-top:4px;padding:18px 14px 20px}._topicBanner_1av25_12{flex-direction:column;align-items:flex-start;gap:7px}._relatedQuestions_1av25_55{flex-direction:column;align-items:stretch}._relatedQuestionActions_1av25_60{width:100%}._returnToYear_1av25_66{flex-direction:column;align-items:stretch}._returnToYear_1av25_66 a{text-align:center}._imageControls_1av25_23{color:#60708d;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;font-size:11px;font-weight:750;display:flex}._imageControls_1av25_23 button{color:#1f5fdb;cursor:pointer;background:#eef4ff;border:1px solid #cfddff;border-radius:9px;padding:8px 10px;font-size:11px;font-weight:800}._imageControls_1av25_23 button:focus-visible{outline-offset:2px;outline:3px solid #1f5fdb52}._questionImage_1av25_24{padding:7px}._questionImage_1av25_24 img{min-width:570px}._questionImage_1av25_24._fitImage_1av25_26 img{min-width:0}._choice_1av25_31{width:54px;height:52px}._explanation_1av25_47{padding:20px 18px}._scoreSummary_1av25_74{padding:22px 16px}._scoreValue_1av25_77{flex-direction:column;align-items:flex-start;gap:7px}._answerTable_1av25_81{grid-template-columns:repeat(2,minmax(0,1fr))}._navigation_1av25_35 a{padding:10px 8px;font-size:13px}}._reviewBanner_1av25_118{color:#075f47;background:#e9fbf3;border:1px solid #a9e4cb;border-radius:12px;justify-content:space-between;align-items:center;gap:14px;margin:0 0 14px;padding:11px 15px;display:flex}._reviewBanner_1av25_118 strong{font-size:15px}._reviewBanner_1av25_118 span{font-size:12px;font-weight:750}._reviewNext_1av25_133{color:#173b2d;background:#f1fbf7;border:1px solid #a9e4cb;border-radius:14px;justify-content:space-between;align-items:center;gap:18px;margin:18px 0;padding:18px;display:flex}._reviewNext_1av25_133 p{color:#527066;margin:5px 0 0;font-size:12px}._reviewNext_1av25_133 a{color:#fff;background:#087f5b;border-radius:10px;flex:none;padding:12px 15px;font-weight:850;text-decoration:none}._reviewNext_1av25_133 a:focus-visible{outline-offset:3px;outline:3px solid #087f5b4d}._homeHero_1pn59_1,._catalogHero_1pn59_2,._catalogShell_1pn59_3{width:min(1040px,100% - 32px);margin:0 auto}._homeHero_1pn59_1{text-align:center;padding:72px 20px 44px}._homeHero_1pn59_1 p,._catalogHero_1pn59_2 p,._kicker_1pn59_15{color:#1f5fdb;letter-spacing:.12em;margin:0 0 8px;font-size:12px;font-weight:800}._homeHero_1pn59_1 h1,._catalogHero_1pn59_2 h1{margin:0;font-size:clamp(30px,5vw,48px);line-height:1.35}._homeHero_1pn59_1>span,._catalogHero_1pn59_2>span{color:#60708d;margin-top:12px;font-size:14px;display:block}._homeMainLayout_1pn59_38{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:28px;width:min(1100px,100% - 32px);margin:0 auto 80px;display:grid}._homeCatalog_1pn59_47{min-width:0}._homeCatalogHeading_1pn59_49{margin-bottom:18px}._homeCatalogHeading_1pn59_49 h2{margin:0;font-size:24px;line-height:1.4}._homeSidebar_1pn59_52{gap:18px;display:grid}._homeUpdates_1pn59_57{background:#fff;border:1px solid #dce4ef;border-radius:22px;padding:26px 24px;box-shadow:0 20px 48px #283e6414}._homeSectionHeading_1pn59_65{justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px;display:flex}._homeSectionHeading_1pn59_65 h2{margin:0;font-size:24px;line-height:1.4}._newsList_1pn59_75{margin:0}._newsList_1pn59_75>div{border-top:1px solid #e7ecf3;gap:5px;padding:15px 0;display:grid}._newsList_1pn59_75>div:last-child{padding-bottom:0}._newsList_1pn59_75 dt{color:#60708d;font-size:12px;font-weight:750}._newsList_1pn59_75 dd{color:#263650;margin:0;font-size:14px;line-height:1.75}._homeGuideLinks_1pn59_86{gap:12px;display:grid}._homeGuideLinks_1pn59_86 a{color:#14213d;background:#fff;border:1px solid #dce4ef;border-radius:18px;gap:5px;padding:21px 22px;text-decoration:none;display:grid}._homeGuideLinks_1pn59_86 a:hover{border-color:#91acf0}._homeGuideLinks_1pn59_86 a:focus-visible{outline-offset:3px;outline:3px solid #1f5fdb52}._homeGuideLinks_1pn59_86 span{color:#1f5fdb;letter-spacing:.1em;font-size:11px;font-weight:800}._homeGuideLinks_1pn59_86 strong{font-size:18px}._homeGuideLinks_1pn59_86 small{color:#60708d;font-size:12px;line-height:1.65}._homeSeoGuide_1pn59_107,._catalogGuide_1pn59_108{color:#263650;background:#fff;border:1px solid #dce4ef;border-radius:22px;box-shadow:0 20px 48px #283e6414}._homeSeoGuide_1pn59_107{width:min(1100px,100% - 32px);margin:-40px auto 80px;padding:34px 38px}._homeSeoGuide_1pn59_107 h2,._catalogGuide_1pn59_108 h2{color:#14213d;margin:0 0 14px;font-size:clamp(23px,3vw,30px);line-height:1.5}._homeSeoGuide_1pn59_107>p:not(._kicker_1pn59_15),._catalogGuide_1pn59_108>p{margin:0;font-size:14px;line-height:1.9}._studyPointGrid_1pn59_125{grid-template-columns:repeat(3,1fr);gap:16px;margin-top:25px;display:grid}._studyPointGrid_1pn59_125 section{background:#f7f9fc;border-radius:14px;padding:19px}._studyPointGrid_1pn59_125 h3{color:#14213d;margin:0 0 8px;font-size:16px}._studyPointGrid_1pn59_125 p{color:#52627d;margin:0;font-size:13px;line-height:1.75}._guidePrimaryLink_1pn59_129{color:#1f5fdb;margin-top:25px;font-size:14px;font-weight:800;text-decoration:none;display:inline-block}._guidePrimaryLink_1pn59_129:hover{text-decoration:underline}._catalogLead_1pn59_132{color:#52627d;margin:0 0 22px;font-size:14px;line-height:1.85}._catalogGuide_1pn59_108{width:min(1040px,100% - 32px);margin:-42px auto 72px;padding:32px 36px}._qualificationGrid_1pn59_145{grid-template-columns:1fr;gap:18px;display:grid}._qualificationCard_1pn59_151,._examCard_1pn59_152,._sectionCard_1pn59_153{color:#14213d;background:#fff;border:1px solid #dce4ef;border-radius:22px;box-shadow:0 20px 48px #283e641a}._qualificationCard_1pn59_151{grid-template-columns:1fr auto;align-items:center;gap:20px;min-height:160px;padding:28px 30px;text-decoration:none;display:grid}._qualificationCard_1pn59_151 p{color:#1f5fdb;margin:0 0 5px;font-size:12px;font-weight:800}._qualificationCard_1pn59_151 h2{margin:0;font-size:25px}._qualificationCard_1pn59_151 div span{color:#60708d;font-size:13px}._qualificationCard_1pn59_151 strong{color:#1f5fdb;font-size:15px}._qualificationCard_1pn59_151 ._comingSoonLabel_1pn59_175{color:#60708d}._openLabel_1pn59_176{color:#1f5fdb;text-align:right;border-top:1px solid #dce4ef;grid-column:1/-1;padding-top:18px;font-weight:800}@media (width<=900px){._homeMainLayout_1pn59_38{grid-template-columns:1fr}._homeSidebar_1pn59_52{grid-template-columns:1fr 1fr}._homeUpdates_1pn59_57{grid-column:1/-1}._homeGuideLinks_1pn59_86{grid-template-columns:1fr 1fr}._studyModeGrid_1pn59_183{grid-template-columns:repeat(2,minmax(0,1fr))}}._comingSoon_1pn59_175{color:#14213d;background:#fff;border:1px solid #dce4ef;border-radius:22px;place-items:center;width:min(720px,100% - 32px);min-height:220px;margin:0 auto 80px;display:grid;box-shadow:0 20px 48px #283e641a}._comingSoon_1pn59_175 strong{font-size:clamp(24px,5vw,36px)}._breadcrumbs_1pn59_201{color:#60708d;flex-wrap:wrap;gap:7px;width:min(1040px,100% - 32px);margin:20px auto 0;font-size:12px;display:flex}._breadcrumbs_1pn59_201 a{color:#1f5fdb;text-decoration:none}._catalogHero_1pn59_2{padding:48px 0 30px}._questionHero_1pn59_214{padding:16px 0 4px}._catalogShell_1pn59_3{margin-bottom:72px}._infoPage_1pn59_217{color:#263650;background:#fff;border:1px solid #dce4ef;border-radius:22px;width:min(820px,100% - 32px);margin:44px auto 72px;padding:38px 44px;line-height:1.9;box-shadow:0 20px 48px #283e641a}._infoPage_1pn59_217 h1{color:#14213d;margin:0 0 24px;font-size:clamp(28px,5vw,42px);line-height:1.4}._infoPage_1pn59_217 h2{color:#14213d;margin:34px 0 8px;font-size:20px}._infoPage_1pn59_217 p{margin:0 0 14px;font-size:14px}._infoPage_1pn59_217 a{color:#1f5fdb}._contactButton_1pn59_232{background:#1f5fdb;border-radius:11px;align-items:center;width:fit-content;margin:24px 0 8px;padding:13px 18px;font-size:14px;font-weight:800;text-decoration:none;display:inline-flex;color:#fff!important}._contactButton_1pn59_232:hover{background:#194fb8}._contactButton_1pn59_232:focus-visible{outline-offset:3px;outline:3px solid #1f5fdb52}._contactNote_1pn59_247{color:#60708d;font-size:12px!important}._contactForm_1pn59_248{gap:18px;margin-top:28px;display:grid}._contactForm_1pn59_248>label:not(._contactConsent_1pn59_249):not(._contactHoneypot_1pn59_249){gap:7px;display:grid}._contactForm_1pn59_248 label>span{color:#263650;font-size:13px;font-weight:750}._contactForm_1pn59_248 label>span strong{color:#c92a2a;margin-left:5px;font-size:10px}._contactForm_1pn59_248 label>span small,._contactForm_1pn59_248 label>small{color:#60708d;font-size:11px;font-weight:600}._contactForm_1pn59_248 input,._contactForm_1pn59_248 select,._contactForm_1pn59_248 textarea{color:#14213d;width:100%;font:inherit;background:#fff;border:1px solid #cdd7e5;border-radius:10px;padding:12px 13px;line-height:1.5}._contactForm_1pn59_248 textarea{resize:vertical}._contactForm_1pn59_248 input:focus,._contactForm_1pn59_248 select:focus,._contactForm_1pn59_248 textarea:focus{border-color:#1f5fdb;outline:3px solid #1f5fdb24}._contactConsent_1pn59_249{align-items:flex-start;gap:9px;display:flex}._contactConsent_1pn59_249 input{flex:none;width:18px;height:18px;margin-top:4px}._contactConsent_1pn59_249 span{line-height:1.7;font-weight:600!important}._contactForm_1pn59_248 ._contactButton_1pn59_232{cursor:pointer;border:0;margin:2px 0 0}._contactForm_1pn59_248 ._contactButton_1pn59_232:disabled{cursor:wait;opacity:.65}._contactHoneypot_1pn59_249{width:1px;height:1px;position:absolute;left:-10000px;overflow:hidden}._contactSuccess_1pn59_276,._contactError_1pn59_277{border-radius:10px;padding:12px 14px;font-weight:750;margin:0!important}._contactSuccess_1pn59_276{color:#087f5b;background:#e8f8f1}._contactError_1pn59_277{color:#c92a2a;background:#fff0f0}._examGrid_1pn59_281,._sectionGrid_1pn59_282{grid-template-columns:1fr;gap:18px;display:grid}._studyModeGrid_1pn59_183{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}._studyModeCard_1pn59_289{color:#14213d;background:#fff;border:1px solid #dce4ef;border-radius:22px;flex-direction:column;min-height:230px;padding:30px;text-decoration:none;display:flex;box-shadow:0 20px 48px #283e641a}._studyModeCard_1pn59_289>span{color:#1f5fdb;letter-spacing:.08em;font-size:11px;font-weight:850}._studyModeCard_1pn59_289>strong{margin-top:8px;font-size:26px}._studyModeCard_1pn59_289>p{color:#52627d;margin:12px 0 24px;font-size:14px;line-height:1.8}._studyModeCard_1pn59_289>b{color:#1f5fdb;margin-top:auto;font-size:14px}._studyModeCard_1pn59_289:hover{border-color:#91acf0;transform:translateY(-2px)}._studyModeCard_1pn59_289:focus-visible,._topicCard_1pn59_296:focus-visible{outline-offset:3px;outline:3px solid #1f5fdb52}._topicGrid_1pn59_298{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;display:grid}._themeSections_1pn59_299{gap:36px;display:grid}._themeSections_1pn59_299>section>h2{margin:4px 0 16px;font-size:24px}._topicCard_1pn59_296{color:#14213d;background:#fff;border:1px solid #dce4ef;border-radius:16px;gap:8px;padding:22px 24px;text-decoration:none;display:grid}._topicCard_1pn59_296 strong{font-size:17px;line-height:1.5}._topicCard_1pn59_296 p{color:#60708d;margin:0;font-size:12px;line-height:1.7}._topicCard_1pn59_296 span{color:#1f5fdb;margin-top:4px;font-size:12px;font-weight:850}._topicCard_1pn59_296:hover{border-color:#91acf0}._topicGuideLink_1pn59_307{color:#173b2d;background:linear-gradient(135deg,#eefaf5,#f6fbff);border:1px solid #a9e4cb;border-radius:16px;gap:5px;margin-bottom:20px;padding:20px 24px;text-decoration:none;display:grid}._topicGuideLink_1pn59_307 span{color:#527066;font-size:11px;font-weight:750}._topicGuideLink_1pn59_307 strong{font-size:16px;line-height:1.6}._topicGuideLink_1pn59_307:hover{border-color:#4fba8e;transform:translateY(-1px)}._guideShell_1pn59_312{gap:24px;display:grid}._guideSection_1pn59_313{background:#fff;border:1px solid #dce4ef;border-radius:18px;padding:28px}._guideSection_1pn59_313 h2{margin:5px 0 18px;font-size:23px}._guideIntro_1pn59_315{color:#60708d;margin:-7px 0 20px;font-size:13px;line-height:1.8}._guidePoints_1pn59_316{color:#40506b;margin:0;padding-left:1.4em;line-height:1.9}._guidePoints_1pn59_316 li+li{margin-top:7px}._formulaGrid_1pn59_318{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}._formulaCard_1pn59_319{background:#f7f9fc;border:1px solid #e2e8f1;border-radius:14px;min-width:0;padding:20px;overflow:auto}._formulaCard_1pn59_319 h3{margin:0 0 10px;font-size:16px}._formulaCard_1pn59_319 h4{color:#253552;margin:20px 0 10px;font-size:13px}._formulaCard_1pn59_319 p{color:#52627d;margin:8px 0 0;font-size:13px;line-height:1.75}._symbolList_1pn59_323{gap:7px;margin:0;display:grid}._symbolList_1pn59_323>div{background:#fff;border:1px solid #e3e8f0;border-radius:9px;grid-template-columns:minmax(74px,auto) 1fr;align-items:center;gap:11px;padding:9px 10px;display:grid}._symbolList_1pn59_323 dt p{color:#14213d;margin:0;font-size:14px}._symbolList_1pn59_323 dd{color:#40506b;margin:0;font-size:12px;line-height:1.55;display:grid}._symbolList_1pn59_323 small{color:#71809b;font-size:10px}._formulaDetail_1pn59_328{padding-top:2px}._formulaExample_1pn59_329{background:#eaf7f1;border-left:3px solid #26a269;border-radius:8px;margin-top:16px;padding:13px 14px}._formulaExample_1pn59_329 strong{color:#176647;font-size:12px}._formulaExample_1pn59_329 p{color:#315c4c;margin-top:4px}._approachGrid_1pn59_332{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}._approachGrid_1pn59_332>section{background:#f7f9fc;border:1px solid #e2e8f1;border-radius:14px;padding:20px}._approachGrid_1pn59_332 h3{margin:0 0 12px;font-size:16px}._approachGrid_1pn59_332 ol{color:#52627d;margin:0;padding-left:1.4em;font-size:13px;line-height:1.8}._approachGrid_1pn59_332 li+li{margin-top:5px}._guideDiagram_1pn59_337{color:#fff;background:linear-gradient(135deg,#14213d,#1f365f);border-radius:18px;margin:0;padding:28px}._guideDiagram_1pn59_337 figcaption{gap:6px;display:grid}._guideDiagram_1pn59_337 figcaption strong{font-size:21px}._guideDiagram_1pn59_337 figcaption span{color:#d2dcef;font-size:13px;line-height:1.75}._diagramFlow_1pn59_341{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin-top:22px;display:grid}._diagramStage_1pn59_342{min-width:0;position:relative}._diagramStage_1pn59_342>div{color:#14213d;text-align:center;background:#fff;border:2px solid #8eacf0;border-radius:14px;place-content:center;gap:7px;min-height:112px;padding:18px 14px;display:grid}._diagramStage_1pn59_342 strong{font-size:15px}._diagramStage_1pn59_342 span{color:#60708d;font-size:11px;line-height:1.55}._diagramStage_1pn59_342>b{color:#bcd0ff;width:16px;font-size:22px;line-height:1;position:absolute;top:50%;left:calc(100% + 8px);transform:translateY(-50%)}._termList_1pn59_347{gap:0;margin:0;display:grid}._termList_1pn59_347>div{border-top:1px solid #e7ebf2;grid-template-columns:minmax(150px,.7fr) 2fr;gap:20px;padding:16px 0;display:grid}._termList_1pn59_347>div:first-child{border-top:0;padding-top:0}._termList_1pn59_347>div:last-child{padding-bottom:0}._termList_1pn59_347 dt{color:#14213d;font-weight:850}._termList_1pn59_347 dd{color:#52627d;margin:0;line-height:1.75}._officialLinks_1pn59_353{gap:8px;margin:0;padding-left:1.3em;display:grid}._officialLinks_1pn59_353 a{color:#1f5fdb;font-weight:750}._guideNote_1pn59_355{color:#687895;margin:16px 0 0;font-size:12px;line-height:1.7}._guidePractice_1pn59_356{color:#fff;background:#173b2d;border-radius:18px;justify-content:space-between;align-items:center;gap:24px;padding:26px 28px;display:flex}._guidePractice_1pn59_356 h2{margin:5px 0 0;font-size:21px}._guidePractice_1pn59_356>div:last-child{flex-wrap:wrap;justify-content:flex-end;gap:9px;display:flex}._guidePractice_1pn59_356 a{color:#173b2d;background:#fff;border-radius:10px;padding:12px 15px;font-size:13px;font-weight:850;text-decoration:none}._guideLinkList_1pn59_360{gap:11px;display:grid}._guideLinkList_1pn59_360 a{color:#14213d;background:#fff;border:1px solid #dce4ef;border-radius:13px;justify-content:space-between;align-items:center;gap:18px;padding:18px 20px;text-decoration:none;display:flex}._guideLinkList_1pn59_360 a:hover{border-color:#91acf0;transform:translate(2px)}._guideLinkList_1pn59_360 strong{font-size:15px;line-height:1.5}._guideLinkList_1pn59_360 span{color:#1f5fdb;flex:none;font-size:12px;font-weight:850}._topicStartAction_1pn59_366{color:#173b2d;background:#f1fbf7;border:1px solid #a9e4cb;border-radius:16px;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px;padding:22px 24px;display:flex}._topicStartAction_1pn59_366 strong{font-size:17px}._topicStartAction_1pn59_366 p{color:#527066;margin:5px 0 0;font-size:12px}._topicStartAction_1pn59_366 a{color:#fff;background:#087f5b;border-radius:10px;flex:none;padding:12px 16px;font-size:13px;font-weight:850;text-decoration:none}._relatedExamGroups_1pn59_370{gap:24px;display:grid}._relatedExamGroups_1pn59_370>section{background:#fff;border:1px solid #dce4ef;border-radius:18px;padding:24px}._relatedExamGroups_1pn59_370 h2{margin:0 0 15px;font-size:19px}._relatedQuestionLinks_1pn59_373{grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;display:grid}._relatedQuestionLinks_1pn59_373 a{color:#14213d;text-align:center;background:#f7f9fc;border:1px solid #dce4ef;border-radius:10px;place-content:center;gap:3px;min-height:72px;padding:11px;text-decoration:none;display:grid}._relatedQuestionLinks_1pn59_373 a:hover{border-color:#91acf0}._relatedQuestionLinks_1pn59_373 strong{font-size:12px}._relatedQuestionLinks_1pn59_373 span{color:#60708d;font-size:9px;line-height:1.4}._examCard_1pn59_152{padding:26px}._examCard_1pn59_152 h2{margin:0 0 18px;font-size:22px}._examCard_1pn59_152 h2 a{color:inherit;text-decoration:none}._examCard_1pn59_152 h2 a:hover{color:#1f5fdb}._examCard_1pn59_152>p{color:#60708d;margin:0 0 6px;font-size:12px}._sectionLinks_1pn59_385{gap:9px;display:grid}._sectionLinks_1pn59_385 a,._sectionCard_1pn59_153{color:#14213d;background:#f7f9fc;border-radius:11px;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;font-size:13px;font-weight:750;text-decoration:none;display:flex}._sectionLinks_1pn59_385 a span,._sectionCard_1pn59_153 span{color:#60708d;font-size:11px}._sectionCard_1pn59_153{background:#fff;padding:24px}._sectionCard_1pn59_153 strong{font-size:18px}._yearCard_1pn59_405{gap:20px}._yearActions_1pn59_406{flex:none;grid-template-columns:1fr 1fr;gap:9px;display:grid}._yearActions_1pn59_406 a{color:#1f5fdb;text-align:center;background:#eef4ff;border:1px solid #cfddff;border-radius:10px;min-width:130px;padding:11px 14px;font-size:12px;font-weight:800;text-decoration:none}._yearActions_1pn59_406 ._primaryAction_1pn59_408{color:#fff;background:#1f5fdb;border-color:#1f5fdb}._yearActions_1pn59_406 a:hover{border-color:#91acf0}._yearActions_1pn59_406 a:focus-visible{outline-offset:3px;outline:3px solid #1f5fdb52}._questionGroups_1pn59_412{gap:18px;display:grid}._questionGroup_1pn59_412{grid-template-columns:repeat(5,1fr);gap:10px;display:grid}._questionGroup_1pn59_412 a{color:#14213d;text-align:center;background:#fff;border:1px solid #dce4ef;border-radius:11px;place-content:center;gap:2px;min-height:62px;padding:10px 7px;font-size:13px;font-weight:800;text-decoration:none;display:grid}._questionGroup_1pn59_412 a span{color:#60708d;font-size:10px}._questionGroup_1pn59_412 a:hover,._sectionLinks_1pn59_385 a:hover,._sectionCard_1pn59_153:hover,._qualificationCard_1pn59_151:hover{border-color:#91acf0}@media (width<=680px){._homeHero_1pn59_1{padding:48px 10px 30px}._qualificationGrid_1pn59_145{grid-template-columns:1fr}._qualificationCard_1pn59_151{grid-template-columns:1fr;padding:25px 22px}._qualificationCard_1pn59_151 strong{justify-self:start}._homeSidebar_1pn59_52{grid-template-columns:1fr}._homeUpdates_1pn59_57{grid-column:auto;padding:25px 22px}._homeGuideLinks_1pn59_86{grid-template-columns:1fr}._homeSeoGuide_1pn59_107{margin-top:-50px;padding:28px 22px}._studyPointGrid_1pn59_125{grid-template-columns:1fr}._catalogGuide_1pn59_108{margin-top:-38px;padding:28px 22px}._catalogHero_1pn59_2{padding-top:36px}._infoPage_1pn59_217{margin-top:28px;padding:28px 22px}._examGrid_1pn59_281,._sectionGrid_1pn59_282,._studyModeGrid_1pn59_183,._topicGrid_1pn59_298{grid-template-columns:1fr}._guideLinkList_1pn59_360 a{flex-direction:column;align-items:flex-start;gap:7px}._formulaGrid_1pn59_318,._approachGrid_1pn59_332{grid-template-columns:1fr}._guideSection_1pn59_313,._guideDiagram_1pn59_337{padding:22px 18px}._diagramFlow_1pn59_341{grid-template-columns:1fr;gap:30px}._diagramStage_1pn59_342>div{min-height:94px}._diagramStage_1pn59_342>b{top:calc(100% + 7px);left:50%;transform:translate(-50%)rotate(90deg)}._termList_1pn59_347>div{grid-template-columns:1fr;gap:6px}._guidePractice_1pn59_356{flex-direction:column;align-items:stretch;padding:22px 18px}._guidePractice_1pn59_356>div:last-child{justify-content:stretch}._guidePractice_1pn59_356 a{text-align:center;flex:100%}._studyModeCard_1pn59_289{min-height:200px;padding:25px 22px}._topicStartAction_1pn59_366{flex-direction:column;align-items:stretch}._topicStartAction_1pn59_366 a{text-align:center}._relatedExamGroups_1pn59_370>section{padding:20px 16px}._relatedQuestionLinks_1pn59_373{grid-template-columns:repeat(2,minmax(0,1fr))}._yearCard_1pn59_405{flex-direction:column;align-items:stretch}._yearActions_1pn59_406{width:100%}._yearActions_1pn59_406 a{min-width:0;padding-inline:8px}._questionGroup_1pn59_412{grid-template-columns:repeat(3,1fr)}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/fonts/KaTeX_AMS-Regular.woff2)format("woff2"),url(/fonts/KaTeX_AMS-Regular.woff)format("woff"),url(/fonts/KaTeX_AMS-Regular.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/fonts/KaTeX_Caligraphic-Bold.woff2)format("woff2"),url(/fonts/KaTeX_Caligraphic-Bold.woff)format("woff"),url(/fonts/KaTeX_Caligraphic-Bold.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/fonts/KaTeX_Caligraphic-Regular.woff2)format("woff2"),url(/fonts/KaTeX_Caligraphic-Regular.woff)format("woff"),url(/fonts/KaTeX_Caligraphic-Regular.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/fonts/KaTeX_Fraktur-Bold.woff2)format("woff2"),url(/fonts/KaTeX_Fraktur-Bold.woff)format("woff"),url(/fonts/KaTeX_Fraktur-Bold.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/fonts/KaTeX_Fraktur-Regular.woff2)format("woff2"),url(/fonts/KaTeX_Fraktur-Regular.woff)format("woff"),url(/fonts/KaTeX_Fraktur-Regular.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/fonts/KaTeX_Main-Bold.woff2)format("woff2"),url(/fonts/KaTeX_Main-Bold.woff)format("woff"),url(/fonts/KaTeX_Main-Bold.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/fonts/KaTeX_Main-BoldItalic.woff2)format("woff2"),url(/fonts/KaTeX_Main-BoldItalic.woff)format("woff"),url(/fonts/KaTeX_Main-BoldItalic.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/fonts/KaTeX_Main-Italic.woff2)format("woff2"),url(/fonts/KaTeX_Main-Italic.woff)format("woff"),url(/fonts/KaTeX_Main-Italic.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/fonts/KaTeX_Main-Regular.woff2)format("woff2"),url(/fonts/KaTeX_Main-Regular.woff)format("woff"),url(/fonts/KaTeX_Main-Regular.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/fonts/KaTeX_Math-BoldItalic.woff2)format("woff2"),url(/fonts/KaTeX_Math-BoldItalic.woff)format("woff"),url(/fonts/KaTeX_Math-BoldItalic.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/fonts/KaTeX_Math-Italic.woff2)format("woff2"),url(/fonts/KaTeX_Math-Italic.woff)format("woff"),url(/fonts/KaTeX_Math-Italic.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/fonts/KaTeX_SansSerif-Bold.woff2)format("woff2"),url(/fonts/KaTeX_SansSerif-Bold.woff)format("woff"),url(/fonts/KaTeX_SansSerif-Bold.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/fonts/KaTeX_SansSerif-Italic.woff2)format("woff2"),url(/fonts/KaTeX_SansSerif-Italic.woff)format("woff"),url(/fonts/KaTeX_SansSerif-Italic.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/fonts/KaTeX_SansSerif-Regular.woff2)format("woff2"),url(/fonts/KaTeX_SansSerif-Regular.woff)format("woff"),url(/fonts/KaTeX_SansSerif-Regular.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/fonts/KaTeX_Script-Regular.woff2)format("woff2"),url(/fonts/KaTeX_Script-Regular.woff)format("woff"),url(/fonts/KaTeX_Script-Regular.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/fonts/KaTeX_Size1-Regular.woff2)format("woff2"),url(/fonts/KaTeX_Size1-Regular.woff)format("woff"),url(/fonts/KaTeX_Size1-Regular.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/fonts/KaTeX_Size2-Regular.woff2)format("woff2"),url(/fonts/KaTeX_Size2-Regular.woff)format("woff"),url(/fonts/KaTeX_Size2-Regular.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(/fonts/KaTeX_Size3-Regular.woff2)format("woff2"),url(/fonts/KaTeX_Size3-Regular.woff)format("woff"),url(/fonts/KaTeX_Size3-Regular.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/fonts/KaTeX_Size4-Regular.woff2)format("woff2"),url(/fonts/KaTeX_Size4-Regular.woff)format("woff"),url(/fonts/KaTeX_Size4-Regular.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/fonts/KaTeX_Typewriter-Regular.woff2)format("woff2"),url(/fonts/KaTeX_Typewriter-Regular.woff)format("woff"),url(/fonts/KaTeX_Typewriter-Regular.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.absolute{position:absolute}.start{inset-inline-start:var(--spacing)}.container{width:100%}@media (width>=40rem){.container{max-width:40rem}}@media (width>=48rem){.container{max-width:48rem}}@media (width>=64rem){.container{max-width:64rem}}@media (width>=80rem){.container{max-width:80rem}}@media (width>=96rem){.container{max-width:96rem}}.block{display:block}.table{display:table}.grayscale{--tw-grayscale:grayscale(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--ink:#14213d;--muted:#60708d;--blue:#1f5fdb;--blue-soft:#eef4ff;--line:#dce4ef;--paper:#fff;--wash:#f5f8fc;--green:#087f5b;--green-soft:#e8f8f1;--red:#c92a2a;--red-soft:#fff0f0}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--wash);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Hiragino Sans,Yu Gothic,Noto Sans JP,sans-serif}button,a{font:inherit}button{touch-action:manipulation}.site-header{justify-content:space-between;align-items:center;max-width:1100px;height:72px;margin:0 auto;padding:0 28px;display:flex}.brand{color:var(--ink);letter-spacing:.04em;align-items:center;gap:11px;font-weight:800;text-decoration:none;display:flex}.brand-mark{color:#fff;background:var(--blue);border-radius:10px;place-items:center;width:34px;height:34px;font-size:18px;display:grid}.subject-label{color:var(--muted);letter-spacing:.08em;font-size:14px;font-weight:700}.header-actions{align-items:center;gap:14px;display:flex}.account-link{color:var(--blue);background:var(--blue-soft);white-space:nowrap;border:1px solid #cfddff;border-radius:9px;padding:8px 11px;font-size:12px;font-weight:800;text-decoration:none}.account-link-active{color:#fff;background:var(--blue);border-color:var(--blue)}.account-status{width:42px;color:var(--muted);text-align:center}.hero{text-align:center;background:radial-gradient(circle at 50% 35%,#1f5fdb1f,#0000 48%);max-width:880px;margin:0 auto;padding:48px 28px 140px}.eyebrow{color:var(--blue);letter-spacing:.14em;margin:0 0 18px;font-size:13px;font-weight:800}.past-exam-shell{background:var(--paper);border:1px solid #dce4efcc;border-radius:24px;width:min(960px,100% - 32px);margin:-112px auto 32px;padding:34px;box-shadow:0 24px 60px #283e641f}.past-exam-heading{justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.section-kicker{color:var(--blue);letter-spacing:.12em;margin:0 0 7px;font-size:12px;font-weight:800}.past-exam-heading h1{letter-spacing:-.02em;margin:0;font-size:clamp(25px,4vw,38px);line-height:1.35}.official-badge{color:var(--blue);background:var(--blue-soft);white-space:nowrap;border-radius:99px;padding:7px 11px;font-size:12px;font-weight:800}.document-tabs{background:#edf1f6;border-radius:12px;grid-template-columns:1fr 1fr;gap:4px;margin:26px 0 16px;padding:4px;display:grid}.document-tabs button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:11px 16px;font-weight:800}.document-tabs button.is-active{color:var(--blue);background:#fff;box-shadow:0 2px 8px #283e641a}.document-tabs button:focus-visible,.open-pdf:focus-visible{outline-offset:3px;outline:3px solid #1f5fdb52}.pdf-frame-wrap{border:1px solid var(--line);background:#eef1f5;border-radius:14px;overflow:hidden}.pdf-frame-wrap iframe{border:0;width:100%;height:760px;display:block}.past-exam-footer{justify-content:space-between;align-items:center;gap:20px;margin-top:16px;display:flex}.past-exam-footer p{color:var(--muted);margin:0;font-size:11px;line-height:1.7}.past-exam-footer a{color:var(--blue)}.open-pdf{background:var(--blue-soft);border-radius:9px;flex:none;padding:10px 13px;font-size:13px;font-weight:800;text-decoration:none}.quiz-shell{background:var(--paper);border:1px solid #dce4efcc;border-radius:24px;width:min(820px,100% - 32px);margin:32px auto 72px;padding:38px 44px 34px;box-shadow:0 24px 60px #283e641f}.quiz-meta{color:var(--muted);justify-content:space-between;gap:20px;font-size:13px;font-weight:700;display:flex}.progress{background:#edf1f6;border-radius:99px;height:5px;margin:15px 0 42px;overflow:hidden}.progress span{border-radius:inherit;background:var(--blue);height:100%;transition:width .25s;display:block}.question-block{grid-template-columns:62px 1fr;align-items:start;gap:22px;margin-bottom:32px;display:grid}.question-number{width:62px;height:62px;color:var(--blue);background:var(--blue-soft);border-radius:17px;place-items:center;font-weight:800;display:grid}h2{letter-spacing:.01em;margin:3px 0 0;font-size:clamp(20px,3vw,26px);line-height:1.65}.choices{gap:12px;display:grid}.choice{border:2px solid var(--line);width:100%;min-height:64px;color:var(--ink);text-align:left;cursor:pointer;background:#fff;border-radius:14px;align-items:center;gap:16px;padding:11px 18px;font-weight:650;line-height:1.5;transition:border-color .16s,background .16s,transform .16s;display:flex}.choice:hover{border-color:#91acf0;transform:translateY(-1px)}.choice:focus-visible,.quiz-nav button:focus-visible{outline-offset:3px;outline:3px solid #1f5fdb52}.choice-number{width:38px;height:38px;color:var(--blue);background:var(--blue-soft);border-radius:10px;flex:0 0 38px;place-items:center;font-weight:800;display:grid}.choice.is-selected{border-color:var(--blue);background:#f8faff}.choice.is-answer{border-color:var(--green);background:var(--green-soft)}.choice.is-answer .choice-number{color:#fff;background:var(--green)}.choice.is-wrong{border-color:var(--red);background:var(--red-soft)}.choice.is-wrong .choice-number{color:#fff;background:var(--red)}.result{border-radius:16px;margin-top:24px;padding:22px}.result.is-hidden{display:none}.result.correct{background:var(--green-soft)}.result.wrong{background:var(--red-soft)}.result-heading{align-items:center;gap:14px;display:flex}.result-icon{color:#fff;border-radius:50%;flex:0 0 42px;place-items:center;width:42px;height:42px;font-size:24px;font-weight:800;display:grid}.correct .result-icon{background:var(--green)}.wrong .result-icon{background:var(--red)}.result-heading p{margin:0 0 3px;font-size:18px;font-weight:800}.result-heading span:last-child{color:var(--muted);font-size:14px}.explanation{color:#33415d;border-top:1px solid #60708d2e;margin:18px 0 0;padding-top:17px;font-size:14px;line-height:1.8}.explanation strong{color:var(--ink);margin-right:10px}.quiz-nav{border-top:1px solid var(--line);justify-content:space-between;gap:12px;margin-top:30px;padding-top:26px;display:flex}.quiz-nav button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:10px;padding:12px 15px;font-weight:750}.quiz-nav .next-button{color:#fff;background:var(--blue)}.quiz-nav button:disabled{opacity:.35;cursor:not-allowed}.site-footer{max-width:820px;color:var(--muted);text-align:center;margin:0 auto;padding:0 28px 44px;font-size:12px;line-height:1.7}.site-footer p{margin:4px 0}.site-footer a{color:var(--blue);font-weight:700}.site-footer nav{flex-wrap:wrap;justify-content:center;gap:10px 20px;margin-bottom:12px;display:flex}@media (width<=600px){.site-header{height:62px;padding:0 18px}.brand{gap:8px;font-size:12px}.brand-mark{border-radius:8px;width:30px;height:30px;font-size:15px}.header-actions{gap:7px}.subject-label{display:none}.account-link{padding:7px 9px;font-size:11px}.hero{padding:40px 20px 120px}.past-exam-shell{border-radius:19px;width:calc(100% - 20px);margin-top:-96px;padding:22px 14px}.past-exam-heading{padding:0 4px}.pdf-frame-wrap iframe{height:620px}.past-exam-footer{flex-direction:column;align-items:flex-start}.open-pdf{text-align:center;width:100%}.quiz-shell{border-radius:19px;width:calc(100% - 20px);padding:24px 18px}.progress{margin-bottom:30px}.question-block{grid-template-columns:1fr;gap:15px}.question-number{border-radius:13px;width:54px;height:48px}h2{margin:0}.choice{gap:12px;min-height:62px;padding:10px 12px;font-size:14px}.result{padding:18px}.quiz-nav button{font-size:14px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}._page_1gk89_1{width:min(900px,100% - 32px);margin:36px auto 72px}._panel_1gk89_6{color:#263650;background:#fff;border:1px solid #dce4ef;border-radius:22px;padding:34px;box-shadow:0 20px 48px #283e641a}._panel_1gk89_6 h1{color:#14213d;margin:0;font-size:clamp(27px,5vw,40px)}._lead_1gk89_16{color:#60708d;margin:12px 0 26px;font-size:14px;line-height:1.8}._notice_1gk89_17{color:#33415d;background:#f5f8fc;border-radius:11px;margin:18px 0 0;padding:14px 16px;font-size:12px;line-height:1.7}._error_1gk89_18{color:#a61e1e;margin:14px 0 0;font-size:13px;font-weight:750}._googleButton_1gk89_20,._primaryButton_1gk89_21,._secondaryButton_1gk89_22,._dangerButton_1gk89_23{cursor:pointer;border-radius:11px;min-height:46px;padding:11px 16px;font-weight:800}._googleButton_1gk89_20{color:#14213d;background:#fff;border:2px solid #dce4ef;justify-content:center;align-items:center;gap:12px;width:min(360px,100%);display:flex}._googleMark_1gk89_32{color:#fff;background:#4285f4;border-radius:50%;place-items:center;width:28px;height:28px;font-weight:900;display:grid}._googleButton_1gk89_20:disabled{opacity:.55;cursor:wait}._primaryButton_1gk89_21{color:#fff;background:#1f5fdb;border:1px solid #1f5fdb}._secondaryButton_1gk89_22{color:#1f5fdb;background:#eef4ff;border:1px solid #cfddff}._dangerButton_1gk89_23{color:#b42318;background:#fff5f4;border:1px solid #f2b8b5}._googleButton_1gk89_20:focus-visible,._primaryButton_1gk89_21:focus-visible,._secondaryButton_1gk89_22:focus-visible,._dangerButton_1gk89_23:focus-visible{outline-offset:3px;outline:3px solid #1f5fdb52}._accountHeader_1gk89_42{justify-content:space-between;align-items:flex-start;gap:20px;display:flex}._accountHeader_1gk89_42 p{color:#60708d;margin:7px 0 0;font-size:13px}._buttonRow_1gk89_44{flex-wrap:wrap;gap:9px;display:flex}._section_1gk89_45{margin-top:34px}._sectionHeading_1gk89_46{justify-content:space-between;align-items:end;gap:16px;margin-bottom:14px;display:flex}._sectionHeading_1gk89_46 h2{margin:0;font-size:21px}._sectionHeading_1gk89_46 span{color:#60708d;font-size:12px}._reviewCard_1gk89_50{color:#173b2d;background:linear-gradient(135deg,#e9fbf3,#f5fbff);border:1px solid #a9e4cb;border-radius:16px;justify-content:space-between;align-items:center;gap:22px;padding:22px;display:flex}._reviewCard_1gk89_50 h2{color:#0b6b4f;margin:2px 0 7px;font-size:24px}._reviewCard_1gk89_50 p{margin:0 0 5px;line-height:1.6}._reviewCard_1gk89_50 small{color:#527066;line-height:1.6}._reviewKicker_1gk89_54{color:#087f5b;letter-spacing:.08em;font-size:11px;font-weight:900}._reviewButton_1gk89_55{color:#fff;background:#087f5b;border-radius:11px;flex:none;align-items:center;min-height:48px;padding:13px 18px;font-weight:850;text-decoration:none;display:inline-flex}._reviewButton_1gk89_55:focus-visible{outline-offset:3px;outline:3px solid #087f5b4d}._summaryGrid_1gk89_58{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}._continueGrid_1gk89_59{grid-template-columns:1fr}._summaryCard_1gk89_60{color:#14213d;background:#f8faff;border:1px solid #cfddff;border-radius:14px;padding:18px;text-decoration:none}._summaryCard_1gk89_60 p{color:#1f5fdb;margin:0 0 3px;font-size:11px;font-weight:850}._summaryCard_1gk89_60 h3{margin:0;font-size:17px}._cardDate_1gk89_63{color:#60708d;margin-top:10px;font-size:10px;display:block}._summaryScore_1gk89_64{justify-content:space-between;align-items:baseline;gap:10px;margin-top:14px;display:flex}._summaryScore_1gk89_64 strong{color:#1f5fdb;font-size:27px}._summaryScore_1gk89_64 span{color:#60708d;font-size:11px}._progressTrack_1gk89_67{background:#e6ebf3;border-radius:99px;height:6px;margin-top:10px;overflow:hidden}._progressTrack_1gk89_67 span{border-radius:inherit;background:#1f5fdb;height:100%;display:block}._recordList_1gk89_70{gap:8px;display:grid}._record_1gk89_70{color:#14213d;background:#fff;border:1px solid #dce4ef;border-radius:11px;justify-content:space-between;align-items:center;gap:14px;padding:13px 14px;text-decoration:none;display:flex}._record_1gk89_70 div{gap:3px;display:grid}._record_1gk89_70 small{color:#60708d}._record_1gk89_70 strong{flex:none;font-size:18px}._recordCorrect_1gk89_75 strong{color:#087f5b}._recordWrong_1gk89_76 strong{color:#c92a2a}._historyLinks_1gk89_77{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}._historyLinks_1gk89_77 a{color:#14213d;background:#fff;border:1px solid #dce4ef;border-radius:14px;gap:7px;padding:18px;text-decoration:none;display:grid}._historyLinks_1gk89_77 a span{font-size:17px;font-weight:850}._historyLinks_1gk89_77 a strong{color:#1f5fdb;font-size:13px}._historyLinks_1gk89_77 a:focus-visible{outline-offset:3px;outline:3px solid #1f5fdb52}._filterPanel_1gk89_82{background:#f5f8fc;border:1px solid #dce4ef;border-radius:14px;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:28px;padding:18px;display:grid}._filterPanel_1gk89_82 label{gap:6px;display:grid}._filterPanel_1gk89_82 label span{color:#52627d;font-size:11px;font-weight:850}._filterPanel_1gk89_82 input,._filterPanel_1gk89_82 select{color:#14213d;width:100%;min-height:42px;font:inherit;background:#fff;border:1px solid #cbd6e5;border-radius:9px;padding:8px 10px;font-size:13px}._filterPanel_1gk89_82 input:focus-visible,._filterPanel_1gk89_82 select:focus-visible,._filterPanel_1gk89_82 button:focus-visible{outline-offset:2px;outline:3px solid #1f5fdb52}._filterPanel_1gk89_82 button{color:#1f5fdb;cursor:pointer;background:#fff;border:1px solid #cfddff;border-radius:9px;grid-column:1/-1;justify-self:end;min-height:40px;padding:8px 12px;font-weight:800}._empty_1gk89_88{color:#60708d;text-align:center;background:#f5f8fc;border-radius:13px;padding:24px;font-size:13px}._dangerZone_1gk89_89{border-top:1px solid #dce4ef;margin-top:38px;padding-top:25px}._dangerZone_1gk89_89 h2{margin:0 0 7px;font-size:18px}._dangerZone_1gk89_89 p{color:#60708d;margin:0 0 14px;font-size:12px;line-height:1.7}@media (width<=680px){._page_1gk89_1{width:calc(100% - 20px);margin-top:22px}._panel_1gk89_6{border-radius:18px;padding:24px 18px}._accountHeader_1gk89_42{flex-direction:column}._reviewCard_1gk89_50{flex-direction:column;align-items:stretch}._reviewButton_1gk89_55{justify-content:center}._summaryGrid_1gk89_58,._historyLinks_1gk89_77{grid-template-columns:1fr}._filterPanel_1gk89_82{grid-template-columns:repeat(2,minmax(0,1fr))}._record_1gk89_70{align-items:flex-start}}@media (width<=430px){._filterPanel_1gk89_82{grid-template-columns:1fr}}