#theme-book .CourseReader_course__cPwdk{--course-ink:#292e29;--course-muted:#6b716b;--course-rule:#dfe3da;--course-accent:#416b50;--course-tint:#e8f1ea;width:100%;max-width:48rem;margin:0 auto;padding:2rem 1.5rem 4rem;color:var(--course-ink);font-family:book-tibetan,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}.dark #theme-book .CourseReader_course__cPwdk{--course-ink:#dce3d9;--course-muted:#a8b2a5;--course-rule:#3a4339;--course-accent:#b1d6bc;--course-tint:#2a3e30}#theme-book .CourseReader_course__cPwdk a{flex:0 1 auto;color:var(--course-accent);text-decoration:none}#theme-book .CourseReader_course__cPwdk a:hover{text-decoration:underline;text-underline-offset:.2em}#theme-book .CourseReader_course__cPwdk :is(a,summary):focus-visible{outline:2px solid var(--course-accent);outline-offset:4px}#theme-book .CourseReader_course__cPwdk .CourseReader_navigation__uruFk{display:flex;justify-content:space-between;gap:1rem;margin-bottom:1.5rem;font-size:.8125rem}#theme-book .CourseReader_course__cPwdk .CourseReader_intro__PH0jE h1{margin:0 0 1rem;font-family:book-tibetan,book-et,Georgia,serif;font-size:clamp(1.375rem,1.125rem + 1vw,1.75rem);line-height:1.5;overflow-wrap:anywhere}#theme-book .CourseReader_course__cPwdk .CourseReader_facts__xx5UQ,#theme-book .CourseReader_course__cPwdk .CourseReader_resourceFacts__0XsZG{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1rem;color:var(--course-muted);font-size:.8125rem;line-height:1.6}#theme-book .CourseReader_course__cPwdk .CourseReader_person__WpEQt{padding:.35rem .65rem;border-radius:6px;background:var(--course-tint)}#theme-book .CourseReader_course__cPwdk .CourseReader_person__WpEQt span{font-size:.75rem}#theme-book .CourseReader_course__cPwdk .CourseReader_source__FwXlx{margin:1rem 0;color:var(--course-muted);font-size:.8125rem}#theme-book .CourseReader_course__cPwdk .CourseReader_source__FwXlx summary{cursor:pointer;padding:.5rem 0}#theme-book .CourseReader_course__cPwdk .CourseReader_source__FwXlx p{width:100%;margin:.5rem 0;font-size:inherit;line-height:1.8}#theme-book .CourseReader_course__cPwdk .CourseReader_attachments__gkHfa,#theme-book .CourseReader_course__cPwdk .CourseReader_resources__R7A_X,#theme-book .CourseReader_course__cPwdk .CourseReader_sessions__7ecNV{width:100%;margin:0;padding:0;list-style:none}#theme-book .CourseReader_course__cPwdk .CourseReader_sessions__7ecNV{margin-top:1.5rem;border-top:1px solid var(--course-rule)}#theme-book .CourseReader_course__cPwdk .CourseReader_session__RtQlQ{display:grid;grid-template-columns:7rem minmax(0,1fr);gap:1.25rem;padding:1.5rem 0;border-bottom:1px solid var(--course-rule);scroll-margin-top:5rem}#theme-book .CourseReader_course__cPwdk .CourseReader_session__RtQlQ:target{background:var(--course-tint)}#theme-book .CourseReader_course__cPwdk .CourseReader_sessionDate__RxuWc{padding-top:.2rem;font-size:.8125rem;font-variant-numeric:tabular-nums;line-height:1.8}#theme-book .CourseReader_course__cPwdk .CourseReader_sessionDate__RxuWc a{color:var(--course-muted)}#theme-book .CourseReader_course__cPwdk .CourseReader_resources__R7A_X>li+li{margin-top:1.5rem}#theme-book .CourseReader_course__cPwdk .CourseReader_resources__R7A_X h2{margin:0 0 .5rem;font-size:1rem;font-weight:500;line-height:1.75;overflow-wrap:anywhere}#theme-book .CourseReader_course__cPwdk .CourseReader_resources__R7A_X h2 a{color:var(--course-ink)}#theme-book .CourseReader_course__cPwdk .CourseReader_attachments__gkHfa{display:flex;flex-wrap:wrap;gap:.5rem 1rem;margin-top:.75rem;font-size:.8125rem}@media (max-width:40rem){#theme-book .CourseReader_course__cPwdk{padding:1.5rem 1rem 3rem}#theme-book .CourseReader_course__cPwdk .CourseReader_session__RtQlQ{grid-template-columns:minmax(0,1fr);gap:.5rem;padding:1.25rem 0}}