/* School-exam stories: the academy's paper, red accent, and editorial rhythm. */
#main-nav{gap:23px}#main-nav>a[aria-current="page"]{color:var(--red)}
.exam-home-feature{padding-block:80px 88px}.exam-home-intro{font-size:15px;color:var(--muted);margin-top:-10px;margin-bottom:30px;line-height:1.9}
.exam-story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:23px}.exam-story{border:1px solid var(--line);background:#fffdf9;transition:transform .2s,border-color .2s}.exam-story:hover{transform:translateY(-3px);border-color:#c4aaa4}.exam-story>a{display:flex;flex-direction:column;height:100%;padding:28px}.exam-story-meta{font-size:11px;font-weight:700;color:#a0444d;letter-spacing:.02em}.exam-story h3{font-size:24px;line-height:1.55;letter-spacing:-.045em;margin:21px 0 13px}.exam-story-summary{font-size:13px;line-height:1.95;color:#6b6f77;flex:1}.exam-story-bottom{display:flex;justify-content:space-between;gap:14px;padding-top:25px;margin-top:25px;border-top:1px solid #e9e3da;font-size:10px;line-height:1.7}.exam-story-bottom>span:last-child{font-weight:700;color:#a33745}
.exam-archive-hero{padding:36px 0 0;background:#f5f0e7}.exam-archive-hero .breadcrumb{margin-bottom:54px}.exam-hero-copy{max-width:800px;padding-bottom:58px}.exam-hero-copy h1{font-size:58px;line-height:1.38;letter-spacing:-.06em;margin:20px 0}.exam-hero-copy h1 span{color:var(--red)}.exam-hero-copy>p:last-child{font-size:17px;line-height:2;color:#666b74}.exam-reading-flow{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #d8cfc1}.exam-reading-flow>span{display:flex;align-items:center;gap:14px;padding:23px 13px;font-size:12px;font-weight:700}.exam-reading-flow b{font-family:Arial,sans-serif;color:#ad3949;font-size:12px}.exam-archive-list{padding-block:76px 82px}.exam-filters{display:flex;gap:16px;align-items:end;flex-wrap:wrap;padding:24px 26px;background:#f6f4ef;border:1px solid var(--line);margin:32px 0 18px}.exam-filters label{display:flex;flex-direction:column;gap:8px;font-size:12px;flex:1;min-width:140px;font-weight:700}.exam-filters select{appearance:auto;width:100%;border:1px solid #d7d0c4;background:#fffdf9;color:var(--ink);padding:12px;font:inherit;font-size:13px;border-radius:0;min-height:43px}.exam-filters button{min-height:43px;padding:10px 17px;border:1px solid #d7d0c4;background:transparent;font:inherit;font-size:12px;cursor:pointer}.exam-result-count{font-size:12px;color:#6b6f77;margin-bottom:22px}.exam-empty{padding:42px;text-align:center;background:#f8f5ee;color:#666}.exam-archive-note{padding:30px 33px;background:#f5f0e7;margin-top:41px;border-left:3px solid #c84858}.exam-archive-note h3{font-size:20px;letter-spacing:-.035em;margin:0 0 12px}.exam-archive-note p{font-size:13px;line-height:1.95;color:#626977;margin:0}
.exam-article-hero{padding-block:35px 44px;border-bottom:1px solid var(--line)}.exam-article-hero .breadcrumb{margin-bottom:47px}.exam-article-hero h1{max-width:870px;font-size:48px;line-height:1.5;letter-spacing:-.055em;margin:20px 0}.exam-article-lead{max-width:770px;font-size:17px;color:#676d77;line-height:1.95}.exam-article-meta{display:flex;gap:37px;flex-wrap:wrap;margin:32px 0 27px}.exam-article-meta>div{display:flex;gap:13px;font-size:12px}.exam-article-meta dt{color:#80838a}.exam-article-meta dd{margin:0;font-weight:700}.exam-article-toc{display:flex;flex-wrap:wrap;gap:13px}.exam-article-toc a{font-size:12px;border:1px solid #e1d9ce;padding:9px 15px}.exam-article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:75px;padding-block:6px 80px}.exam-article-main{min-width:0}.exam-reading-section{padding-block:47px;border-bottom:1px solid var(--line);scroll-margin-top:115px}.exam-reading-section h2{font-size:31px;line-height:1.6;letter-spacing:-.04em;margin:17px 0 26px}.exam-reading-section>p:not(.eyebrow){font-size:15px;line-height:2.05;color:#565e69;word-break:keep-all;overflow-wrap:anywhere}.exam-reading-section h3{font-size:21px;letter-spacing:-.025em;line-height:1.65;margin:30px 0 15px}.exam-difficulty{display:flex;min-height:85px;margin:30px 0 12px}.exam-band{display:flex;flex-direction:column;justify-content:center;text-align:center;gap:7px;color:white;min-width:0}.exam-band strong{font-size:20px;font-family:Arial,sans-serif}.exam-band span{font-size:11px;font-weight:700}.band-0{background:#6b8790}.band-1{background:#bb955c}.band-2{background:#b84d5f}.exam-difficulty-key{display:flex;gap:19px;flex-wrap:wrap;font-size:11px;color:#636b76}.exam-difficulty-key i{display:inline-block;width:9px;height:9px;margin-right:6px}.exam-reading-section p.exam-method-note{font-size:11px;line-height:1.95;color:#80818a;margin-top:20px}.exam-focus-list{list-style:none;padding:0;margin-top:25px}.exam-focus-list li{display:grid;grid-template-columns:96px 1fr;gap:17px;padding:19px 0;border-top:1px solid #e7e0d6;font-size:14px;line-height:1.9}.exam-focus-list strong{font-size:13px;color:#a83949}.exam-focus-list span{color:#59616e}.exam-comparison-case{padding:29px 0 34px;border-top:1px solid #d8d1c7}.exam-case-heading{display:flex;gap:17px}.exam-case-index{font-family:Arial,sans-serif;font-size:31px;color:#c5a18f;line-height:1.5;flex-shrink:0}.exam-case-number{font-size:10px;font-weight:700;color:#a4424e;letter-spacing:.02em;margin:0 0 9px}.exam-comparison-case h3{font-size:23px;margin:0 0 20px;line-height:1.7}.exam-prep-record{display:flex;flex-wrap:wrap;gap:6px 13px;align-items:center;padding:15px 19px;background:#f3f0e9;margin:8px 0 23px}.exam-prep-record span{font-size:10px;color:#777b82}.exam-prep-record strong{font-size:12px}.exam-prep-record small{font-size:10px;color:#7c7e84}.exam-case-copy h4{font-size:15px;margin:24px 0 12px}.exam-case-copy>p{font-size:14px;line-height:2.05;color:#59616d;word-break:keep-all;overflow-wrap:anywhere}.exam-case-copy p.exam-case-difference{border-left:2px solid #d8c2b9;padding-left:16px;font-size:12px;color:#7e7370;margin-top:23px}.exam-reading-aside{align-self:start;position:sticky;top:128px;background:#f1ede3;padding:27px;margin-top:60px}.exam-reading-aside .eyebrow{font-size:9px}.exam-reading-aside h2{font-size:25px;line-height:1.6;letter-spacing:-.04em;margin:20px 0}.exam-reading-aside p:not(.eyebrow){font-size:12px;line-height:1.95;color:#6d737b}.exam-reading-aside>a{display:block;font-size:11px;font-weight:700;padding-top:19px;margin-top:19px;border-top:1px solid #d9cfc0;color:#a13e4a}.exam-next-questions{padding:21px 25px;background:#f5f0e7;margin-block:25px}.exam-next-questions p{font-size:13px;margin:8px 0;line-height:1.8}.exam-related{padding-bottom:80px}.exam-article-main .katex{font-size:1.04em}.exam-article-main .katex-display{overflow-x:auto;overflow-y:hidden;padding:7px 0;max-width:100%}.exam-story[hidden],.exam-empty[hidden]{display:none!important}.exam-filters select:focus-visible,.exam-filters button:focus-visible,.exam-story a:focus-visible{outline:2px solid #af3c4c;outline-offset:4px}
@media(min-width:851px) and (max-width:1140px){.header-inner{gap:17px;width:calc(100% - 40px)}.brand{width:180px}#main-nav{gap:17px;font-size:11px}.login-link{padding:10px;gap:7px}}
@media(max-width:1000px){.exam-story h3{font-size:21px}.exam-story>a{padding:23px}.exam-article-layout{grid-template-columns:minmax(0,1fr) 210px;gap:36px}.exam-article-hero h1{font-size:40px}.exam-hero-copy h1{font-size:48px}.exam-reading-flow>span{font-size:10px;gap:9px}}
@media(max-width:850px){#main-nav{gap:0}.exam-story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.exam-article-layout{grid-template-columns:1fr;gap:0}.exam-reading-aside{position:static;margin-top:30px}.exam-reading-aside h2 br{display:none}.exam-reading-flow{grid-template-columns:repeat(2,1fr)}.exam-reading-flow>span{border-bottom:1px solid #d8cfc1;font-size:12px}.exam-article-hero h1{font-size:37px}.exam-article-hero .breadcrumb{margin-bottom:34px}}
@media(max-width:620px){.exam-home-feature{padding-block:53px}.exam-home-feature .section-heading{display:block}.exam-home-feature .section-heading>a{display:inline-flex;margin-top:17px}.exam-home-intro{font-size:12px;margin-top:8px}.exam-story-grid{grid-template-columns:1fr;gap:16px}.exam-story>a{padding:25px}.exam-story h3{font-size:24px;margin-top:17px}.exam-story-summary{font-size:13px}.exam-story-bottom{font-size:11px}.exam-archive-hero{padding-top:23px}.exam-archive-hero .breadcrumb{margin-bottom:39px}.exam-hero-copy{padding-bottom:34px}.exam-hero-copy h1{font-size:35px}.exam-hero-copy>p:last-child{font-size:13px}.exam-reading-flow>span{padding:17px 5px;font-size:10px;gap:8px}.exam-archive-list{padding-block:49px}.exam-archive-list .section-heading{display:block}.exam-archive-list .section-heading>p{margin-top:17px}.exam-filters{display:grid;grid-template-columns:1fr 1fr;padding:20px 17px;gap:16px 12px;margin-top:23px}.exam-filters label{min-width:0;font-size:11px}.exam-filters select{font-size:12px;padding:11px 8px}.exam-filters button{grid-column:1/-1;font-size:11px}.exam-archive-note{padding:24px}.exam-archive-note h3{font-size:19px}.exam-archive-note p{font-size:12px}.exam-article-hero{padding-block:23px 30px}.exam-article-hero h1{font-size:30px;line-height:1.65;margin-top:18px}.exam-article-lead{font-size:14px}.exam-article-meta{gap:12px 25px;margin-top:25px}.exam-article-meta>div{font-size:11px;gap:9px}.exam-article-toc{gap:7px}.exam-article-toc a{font-size:10px;padding:8px 11px}.exam-article-layout{padding-bottom:48px}.exam-reading-section{padding-block:34px}.exam-reading-section h2{font-size:26px;line-height:1.65}.exam-reading-section>p:not(.eyebrow){font-size:14px;line-height:2}.exam-reading-section h3{font-size:21px}.exam-band strong{font-size:17px}.exam-band span{font-size:9px}.exam-difficulty-key{font-size:10px;gap:13px}.exam-reading-section p.exam-method-note{font-size:10px}.exam-focus-list li{grid-template-columns:75px 1fr;gap:12px;font-size:12px}.exam-focus-list strong{font-size:11px}.exam-case-heading{gap:13px}.exam-case-index{font-size:27px}.exam-comparison-case h3{font-size:22px}.exam-prep-record{padding:14px}.exam-case-copy>p{font-size:13px}.exam-next-questions{padding:17px}.exam-next-questions p{font-size:12px}.exam-related{padding-bottom:50px}.exam-reading-aside{padding:25px}.exam-method-note .katex{font-size:1em}}
@media(prefers-reduced-motion:reduce){.exam-story{transition:none}.exam-story:hover{transform:none}}

.exam-complete-solution{margin:22px 0;background:#f8f4ec;border:1px solid #e5dcd0;padding:18px 20px}.exam-complete-solution summary{cursor:pointer;font-size:13px;font-weight:700;color:#9c3d48;line-height:1.8}.exam-complete-solution p{font-size:14px;line-height:2.05;color:#59616d;overflow-wrap:anywhere;word-break:keep-all}.exam-complete-solution[open] summary{margin-bottom:20px}@media(max-width:620px){.exam-complete-solution{padding:16px}.exam-complete-solution summary{font-size:12px}.exam-complete-solution p{font-size:13px}}

/* Mathematical notation: real typesetting, readable display rows and safe horizontal overflow. */
.exam-case-copy .katex{font-size:1.12em}.exam-case-copy .katex-display{display:block;max-width:100%;overflow-x:auto;overflow-y:hidden;padding:12px 4px;margin:20px 0;text-align:left}.exam-case-copy .katex-display>.katex{text-align:left}.exam-case-copy .katex .mord{overflow-wrap:normal;word-break:normal}

/* Actual complete question pairs; keep mathematical content readable. */
.exam-question-comparison{margin:28px 0 34px}
.exam-question-comparison-intro{font-size:16px;font-weight:700;color:#74333b}
.exam-question-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:start}
.exam-question-paper{background:#fff;border:1px solid #d9d6cf;border-top:4px solid #983c49;padding:22px 20px;min-width:0;box-shadow:0 3px 12px #302d2710}
.exam-question-paper:nth-child(2){border-top-color:#496674}
.exam-question-paper-label{display:flex;gap:10px;justify-content:space-between;align-items:center}
.exam-question-paper-label strong{font-size:17px;color:#7d2936}
.exam-question-paper:nth-child(2) .exam-question-paper-label strong{color:#385867}
.exam-question-paper-label span{font-size:12px;color:#77766f;white-space:nowrap}
.exam-question-source{font-size:13px!important;line-height:1.7!important;color:#68675f;margin:12px 0 20px!important;padding-bottom:14px;border-bottom:1px solid #e8e6e0}
.exam-question-original{font-size:17px;line-height:1.9;color:#222622;overflow-wrap:anywhere}
.exam-question-original p{font-size:17px;line-height:1.9}
.exam-question-original .katex{font-size:1.06em}
.exam-question-original .katex-display{overflow-x:auto;overflow-y:hidden;padding:8px 0;max-width:100%}
.exam-question-diagram{display:block;margin:18px auto 2px;max-width:100%;text-align:center}
.exam-question-diagram img{display:block;max-width:100%;max-height:350px;width:auto;height:auto;margin:auto;object-fit:contain}
.exam-question-connections{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0;background:#f5f2ea;border:1px solid #e8e2d5;padding:20px}
.exam-question-connections h4{font-size:15px!important;margin:0 0 8px!important;color:#7b343e}
.exam-question-connections p{font-size:14px;line-height:1.85;margin:0}
.exam-question-connections>div+div{border-left:1px solid #ded8ca;padding-left:18px}
.exam-question-enlarge{font-size:14px}
@media(max-width:720px){.exam-question-grid{grid-template-columns:1fr}.exam-question-paper{padding:22px}.exam-question-original,.exam-question-original p{font-size:18px}.exam-question-connections{grid-template-columns:1fr}.exam-question-connections>div+div{border-left:0;border-top:1px solid #ded8ca;padding:16px 0 0}.exam-question-paper-label strong{font-size:18px}}

.exam-question-mobile-pair{display:none}
@media(max-width:720px){.exam-question-mobile-pair{display:block;margin:14px 0 24px}.exam-question-mobile-pair img{display:block;width:100%;height:auto;border:1px solid #d9d6cf}.exam-question-mobile-pair span{display:block;font-size:13px;color:#74333b;margin:8px 0}}