.SchoolReference_shell__fASdo{min-height:100vh;background:#f0f7fd;color:#193352}.SchoolReference_shell__fASdo article p{white-space:pre-line}.SchoolReference_main__w_mQE{max-width:1450px;margin:0 auto;padding:28px 40px 64px}.SchoolReference_intro__jRjPo h1{font-size:clamp(28px,3.5vw,40px);line-height:1.18;letter-spacing:-.8px;margin:9px 0}.SchoolReference_intro__jRjPo p{max-width:760px;color:#506782;font-size:17px;line-height:1.65}.SchoolReference_grade__OFfUg{font-size:12px;font-weight:750;color:#416c88;letter-spacing:.03em}.SchoolReference_filters__OoaEY{display:grid;grid-template-columns:minmax(200px,1.4fr) minmax(160px,1fr) auto;gap:16px;align-items:end;margin-top:24px;padding:18px;border:1px solid #d9e4ef;border-radius:12px;background:white}.SchoolReference_filters__OoaEY>div{min-width:0}.SchoolReference_filters__OoaEY label{display:block;margin-bottom:7px;font-size:13px;font-weight:650}.SchoolReference_searchField__XuZAB{display:flex;align-items:center;gap:10px;padding:0 12px;border:1px solid #bfcedd;border-radius:8px;min-height:46px}.SchoolReference_searchField__XuZAB svg{flex:none;color:#5d7895}.SchoolReference_searchField__XuZAB input{min-width:0;width:100%;border:0;background:transparent;padding:12px 0;outline:none;font:inherit;font-size:14px}.SchoolReference_searchField__XuZAB:focus-within{outline:3px solid #3c76bb;outline-offset:2px}.SchoolReference_filters__OoaEY select{display:block;min-height:46px;width:100%;border:1px solid #bfcedd;border-radius:8px;background:white;padding:9px 12px;font:inherit;font-size:14px;color:inherit}.SchoolReference_empty__62vsG button,.SchoolReference_reset__OYaSU{min-height:46px;padding:10px 14px;border:1px solid #c0cfe0;border-radius:8px;background:#f5f9fd;font:inherit;font-size:13px;color:#294b72;cursor:pointer}.SchoolReference_reset__OYaSU:disabled{opacity:.5;cursor:default}.SchoolReference_count__reGtP{font-size:13px;color:#62778e;margin:16px 0}.SchoolReference_workspace__Lvnpp{display:grid;grid-template-columns:minmax(230px,.7fr) minmax(0,1.8fr);gap:22px;align-items:start}.SchoolReference_library__P3kiJ{display:grid;gap:10px}.SchoolReference_library__P3kiJ button{text-align:left;border:1px solid #d3e0ed;border-radius:12px;background:white;padding:17px;color:inherit;cursor:pointer;font:inherit;min-width:0}.SchoolReference_library__P3kiJ button[aria-pressed=true]{border-color:#316aa9;box-shadow:inset 3px 0 #316aa9;background:#eaf3fd}.SchoolReference_library__P3kiJ button:hover{border-color:#316aa9}.SchoolReference_chapter__OImxy,.SchoolReference_library__P3kiJ span{display:block;font-size:11px;font-weight:700;color:#587999;margin-bottom:7px}.SchoolReference_library__P3kiJ strong{display:block;font-size:16px;line-height:1.45}.SchoolReference_library__P3kiJ p{font-size:13px;line-height:1.55;color:#5f748a;margin:9px 0}.SchoolReference_library__P3kiJ small{font-size:11px;font-weight:650;color:#416c9c}.SchoolReference_reader__qGKCs{min-width:0;background:white;border:1px solid #d9e4ef;border-radius:16px;padding:clamp(18px,3vw,32px);overflow-wrap:anywhere}.SchoolReference_reader__qGKCs h2{font-size:clamp(23px,3vw,30px);line-height:1.3;margin:5px 0 14px;scroll-margin-top:90px}.SchoolReference_objective__QyozA{padding:13px 16px;border-radius:9px;background:#edf5fb;font-size:15px;line-height:1.65;color:#3f6487}.SchoolReference_section__9YLa_{margin-top:25px;padding-top:20px;border-top:1px solid #e0e8f1}.SchoolReference_section__9YLa_ h3{font-size:19px;line-height:1.4;margin-bottom:12px}.SchoolReference_section__9YLa_ h4{font-size:14px;margin:20px 0 10px}.SchoolReference_section__9YLa_ li,.SchoolReference_section__9YLa_ p{font-size:16px;line-height:1.75;color:#47617e}.SchoolReference_section__9YLa_ p+p{margin-top:12px}.SchoolReference_section__9YLa_ ol{list-style:decimal;padding-left:26px}.SchoolReference_section__9YLa_ li+li{margin-top:10px}.SchoolReference_section__9YLa_ li::marker{font-weight:750;color:#326da7}.SchoolReference_section__9YLa_ .SchoolReference_formula__VOAh_{white-space:pre-wrap;font-size:clamp(16px,2vw,21px);font-weight:650;line-height:1.7;color:#274b75;background:#f0f6fc;border:1px solid #dce8f5;border-radius:10px;padding:16px;font-variant-numeric:lining-nums tabular-nums}.SchoolReference_section__9YLa_ .SchoolReference_answer__rB91o{background:#edf7f0;border-radius:9px;padding:13px 16px;color:#376749;margin-top:18px}.SchoolReference_section__9YLa_ .SchoolReference_presentationNote__Illxo{font-size:13px;background:#f4f7fb;border-radius:8px;padding:12px 15px}.SchoolReference_exercise___BWdi{margin-top:26px}.SchoolReference_links__0Bazk{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;padding-top:22px;border-top:1px solid #e0e8f1}.SchoolReference_empty__62vsG a,.SchoolReference_links__0Bazk a{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid #bfcfe1;border-radius:8px;padding:10px 15px;background:#f0f6fd;color:#2d5b91;font-size:14px;font-weight:650;text-decoration:none}.SchoolReference_links__0Bazk a:first-child{color:white;background:#316aa9;border-color:#316aa9}.SchoolReference_empty__62vsG a:hover,.SchoolReference_links__0Bazk a:hover{filter:brightness(.96)}.SchoolReference_empty__62vsG{padding:32px;border:1px solid #d5e2ed;background:white;border-radius:14px;margin-top:24px}.SchoolReference_empty__62vsG h2{font-size:23px;line-height:1.4;margin:12px 0}.SchoolReference_empty__62vsG p{font-size:16px;color:#59718c;line-height:1.65;margin-bottom:20px}.SchoolReference_main__w_mQE a:focus-visible,.SchoolReference_main__w_mQE button:focus-visible,.SchoolReference_main__w_mQE select:focus-visible,.SchoolReference_reader__qGKCs h2:focus-visible{outline:3px solid #3c76bb;outline-offset:3px}@media (max-width:1100px){.SchoolReference_main__w_mQE{padding:24px 24px 50px}.SchoolReference_filters__OoaEY{grid-template-columns:1fr 1fr}.SchoolReference_reset__OYaSU{grid-column:1/-1;justify-self:start}.SchoolReference_workspace__Lvnpp{grid-template-columns:minmax(200px,.8fr) minmax(0,1.5fr)}}@media (max-width:760px){.SchoolReference_workspace__Lvnpp{grid-template-columns:1fr}.SchoolReference_library__P3kiJ{grid-template-columns:repeat(2,minmax(0,1fr))}.SchoolReference_main__w_mQE{padding:20px 16px 42px}.SchoolReference_filters__OoaEY{gap:12px}.SchoolReference_section__9YLa_ li,.SchoolReference_section__9YLa_ p{font-size:15px}}@media (max-width:480px){.SchoolReference_filters__OoaEY,.SchoolReference_library__P3kiJ{grid-template-columns:1fr}.SchoolReference_reset__OYaSU{justify-self:stretch}.SchoolReference_empty__62vsG{padding:24px 18px}.SchoolReference_links__0Bazk{flex-direction:column}.SchoolReference_intro__jRjPo p{font-size:16px}}