.notes-directory.reference-content{max-width:1120px;margin:20px auto;padding:0;background:none;border:0;box-shadow:none}.notes-directory-header{display:flex;justify-content:space-between;align-items:center;gap:30px;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:28px}.notes-directory-header h1{font-size:34px;margin:0 0 10px}.notes-directory-header p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}.notes-jump{display:grid;grid-template-columns:1fr auto;gap:8px 20px;min-width:275px}.notes-jump label{grid-column:1/-1;font-size:12px;font-weight:700}.notes-jump select{font:inherit;font-size:13px;border:1px solid var(--line);border-radius:6px;padding:10px;background:var(--paper);color:var(--ink);max-width:290px}.notes-jump a{font-size:12px;align-self:center;color:var(--blue);font-weight:700}.notes-subject-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:30px 0 14px}.notes-subject-heading h2{font-size:26px;margin:0}.notes-subject-heading>a{font-size:12px;color:var(--blue)}.notes-unit-section{border-top:1px solid var(--line);padding:19px 0 22px;scroll-margin-top:100px}.notes-unit-section>header{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:12px}.notes-unit-section h3{font-size:20px;line-height:1.4;margin:0}.notes-unit-section>header>a{font-size:12px;color:var(--blue);white-space:nowrap}.notes-file-links{display:grid;grid-template-columns:1fr 1fr;column-gap:34px}.notes-file-links>a{display:flex;justify-content:space-between;align-items:baseline;gap:14px;min-width:0;padding:9px 0;color:var(--ink);font-size:13px;line-height:1.6}.notes-file-links>a:hover>span{text-decoration:underline;text-underline-offset:3px}.notes-file-links small{color:var(--muted);font-size:10px;white-space:nowrap}.notes-textbooks{border-top:2px solid var(--line);padding-top:23px;margin-top:26px;scroll-margin-top:100px}.notes-textbooks h2{font-size:26px;margin:0 0 8px}.notes-textbooks>p{font-size:13px;color:var(--muted)}.textbook-collections>details{border:0;border-top:1px solid var(--line);padding:16px 0;margin:0;background:none;box-shadow:none;border-radius:0}.textbook-collections summary{font-size:16px;font-weight:700;color:var(--blue);cursor:pointer}.textbook-collections summary small{color:var(--muted);font-size:12px}.textbook-collections .notes-file-links{margin-top:12px}.notes-directory :is(a,select,summary):focus-visible{outline:2px solid var(--blue);outline-offset:4px}
@media(max-width:650px){.notes-directory.reference-content{margin-top:10px}.notes-directory-header{display:block;padding-bottom:18px;margin-bottom:18px}.notes-directory-header h1{font-size:28px}.notes-directory-header p{font-size:13px}.notes-jump{margin-top:18px;min-width:0;grid-template-columns:minmax(0,1fr) auto;gap:7px 15px}.notes-jump select{width:100%;max-width:100%}.notes-subject-heading h2{font-size:24px}.notes-unit-section>header{align-items:start}.notes-unit-section h3{font-size:19px}.notes-unit-section>header>a{font-size:11px;padding-top:4px}.notes-file-links{grid-template-columns:1fr}.notes-file-links>a{font-size:13px;min-height:35px}.notes-unit-section{padding:16px 0}.notes-subject-heading{margin-top:25px}.textbook-collections summary{font-size:15px}}