/* Navigation chrome only: original exam-paper DOM/CSS is preserved. */
.wiki-nav{box-sizing:border-box;display:flex;align-items:center;gap:22px;flex-wrap:wrap;max-width:1100px;margin:0 auto;padding:18px 24px;border-bottom:1px solid #ddd;font:14px/1.5 system-ui,sans-serif;background:#fff;color:#181818}.wiki-nav a{color:inherit;text-decoration:none}.wiki-nav a:hover{text-decoration:underline}.wiki-nav .wiki-app-link{margin-left:auto}.wiki-hub{max-width:1000px;margin:38px auto;padding:0 24px;font:16px/1.75 system-ui,sans-serif;color:#202020}.wiki-hub h1{font-size:30px;margin-bottom:10px}.wiki-hub h2{font-size:20px;margin:32px 0 8px}.wiki-hub ul{padding-left:22px}.wiki-hub li{margin:9px 0}.wiki-hub a{color:#214e73}.wiki-hub .wiki-exams{list-style:none;padding:0}.wiki-hub .wiki-exams li{padding:16px 0;border-bottom:1px solid #ddd}.wiki-hub .wiki-exams a{font-weight:600}.wiki-hub small{color:#555}@media(max-width:600px){.wiki-nav{padding:14px 18px;gap:12px}.wiki-nav .wiki-app-link{margin-left:0}.wiki-hub{margin:24px auto;padding:0 18px}.wiki-hub h1{font-size:25px}}