@charset "UTF-8";.lecture-document{--ink: var(--color-ink);--ink-soft: var(--color-text);--paper: var(--color-canvas);--card: var(--color-surface);--red: var(--color-brand);--red-soft: #f9ede5;--blue: var(--color-support-blue);--blue-soft: var(--color-support-blue-light);--line: var(--color-border);--ok: #256044;--hl: #f6e0b0;min-width:0;width:100%;color:var(--ink);font-size:16px;line-height:2}.lecture-document section{margin:30px 0 40px}.lecture-document h2{margin:12px 0 18px;font:600 24px/1.6 var(--font-display);scroll-margin-top:88px}.lecture-document h3{margin:14px 0;font-size:20px}.lecture-document p{margin:14px 0}.lecture-document ul,.lecture-document ol{padding-left:24px}.lecture-document li{margin:10px 0}.lecture-document .sec-tag{font-size:12px;color:var(--red);font-weight:600}.lecture-document .say,.lecture-document .warn{padding:16px 20px;margin:20px 0;border-left:3px solid var(--blue);background:var(--blue-soft);font-size:15px}.lecture-document .warn{border-color:var(--red);background:var(--red-soft)}.lecture-document mark{background:#f4e6ca;color:var(--ink);padding:0 2px}.lecture-document figure{margin:24px 0;padding:16px;border:1px solid var(--line);border-radius:6px;background:var(--card)}.lecture-document .lecture-diagram,.lecture-document .lecture-table{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain}.lecture-document .lecture-diagram svg{display:block;width:100%;min-width:680px;height:auto}.lecture-document figcaption{margin-top:14px;color:var(--ink-soft);font-size:13px;line-height:1.8}.lecture-document figcaption:after{content:" 窄屏可在图内左右滑动查看。"}.lecture-document table{width:100%;min-width:620px;border-collapse:collapse;background:var(--card);font-size:14px;line-height:1.8}.lecture-document .lecture-table{margin:24px 0}.lecture-document th,.lecture-document td{padding:12px;border:1px solid var(--line);text-align:left;vertical-align:top}.lecture-document th{background:var(--blue-soft);color:var(--ink)}.lecture-document td.red{color:var(--red)}.lecture-document td.blue{color:var(--blue)}.lecture-document td.ok{color:var(--ok)}.lecture-document .cards3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.lecture-document .p-card{padding:18px;background:var(--card);border:1px solid var(--line)}.lecture-document .p-card .num{color:var(--red);font-size:24px}.lecture-document .p-card p{font-size:14px}.lecture-document .qa{padding:0 18px;background:var(--card);border:1px solid var(--line)}.lecture-document .qa details{padding:18px 0;border-bottom:1px solid var(--line)}.lecture-document .qa details:last-child{border-bottom:0}.lecture-document .qa summary{cursor:pointer;font-size:16px;font-weight:600;line-height:1.8}.lecture-document .qa .ans{margin-top:16px;color:var(--ink-soft);font-size:15px}.lecture-document .memo{padding:24px;background:var(--blue-soft);border-radius:6px}.lecture-document .memo h3{color:var(--ink)}.lecture-document .foot{padding-top:20px;border-top:1px solid var(--line);color:var(--ink-soft);font-size:13px}@media (max-width: 640px){.lecture-document h2{font-size:22px}.lecture-document .cards3{grid-template-columns:1fr}.lecture-document figure{padding:10px}.lecture-document .say,.lecture-document .warn,.lecture-document .memo{padding:16px}}.lecture-sources[data-v-491f0ea7]{max-width:760px;margin-top:36px;padding-top:24px;border-top:1px solid var(--color-border);font-size:14px;line-height:1.9}.lecture-sources h2[data-v-491f0ea7]{font-size:21px}.lecture-sources ul[data-v-491f0ea7]{padding-left:22px}.lecture-sources li[data-v-491f0ea7]{margin:18px 0;overflow-wrap:anywhere}.lecture-sources a[data-v-491f0ea7]{color:var(--color-brand)}.lecture-sources p[data-v-491f0ea7]{margin-top:6px;color:var(--color-text)}.course-reader[data-v-491f0ea7]{display:flex;min-height:calc(100vh - 56px);flex-direction:column}.reader-back-nav[data-v-491f0ea7]{width:min(100%,884px);margin:0 auto;padding:16px 32px 0}.reader-back-nav.is-document[data-v-491f0ea7]{width:min(100%,1200px)}.course-document[data-v-491f0ea7]{width:100%;padding-top:12px}.lecture-header[data-v-491f0ea7]{max-width:760px;padding:18px 0 24px}.lecture-header h1[data-v-491f0ea7]{margin-top:12px;font:700 32px/1.5 var(--font-display);text-wrap:balance}.lecture-reference[data-v-491f0ea7]{margin-top:18px;color:var(--color-text);font-size:13px;line-height:1.8;padding-left:14px;border-left:3px solid var(--color-brand)}.lecture-layout[data-v-491f0ea7]{display:grid;grid-template-columns:minmax(0,760px) 240px;align-items:start;gap:48px}.lecture-sidebar[data-v-491f0ea7]{position:sticky;top:88px}.lecture-directory[data-v-491f0ea7]{padding:18px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:6px}.lecture-directory summary[data-v-491f0ea7]{cursor:pointer;font-size:15px;font-weight:600;line-height:1.7}.lecture-directory nav[data-v-491f0ea7]{display:grid;gap:12px;margin-top:18px}.lecture-directory a[data-v-491f0ea7]{font-size:13px;line-height:1.8;color:var(--color-text)}.lecture-directory a[data-v-491f0ea7]:hover{color:var(--color-brand)}.lecture-catalogue[data-v-491f0ea7]{display:inline-block;margin-top:20px;font-size:14px;color:var(--color-brand)}.lecture-next[data-v-491f0ea7]{display:grid;gap:16px;max-width:760px;margin-top:36px;padding:26px;border-top:3px solid var(--color-brand);background:var(--color-surface)}.lecture-next>p[data-v-491f0ea7]{color:var(--color-text);font-size:14px}.lecture-next a[data-v-491f0ea7],.course-sequence a[data-v-491f0ea7]{color:var(--color-brand);font-size:14px;line-height:1.8}.lecture-next .next-course[data-v-491f0ea7]{font-size:19px;font-weight:600}.course-sequence a[data-v-491f0ea7]{display:block;margin-top:14px}@media (max-width: 1000px){.lecture-layout[data-v-491f0ea7]{display:flex;flex-direction:column;gap:24px}.lecture-sidebar[data-v-491f0ea7]{position:static;order:-1;width:100%}.lecture-catalogue[data-v-491f0ea7]{display:none}}@media (max-width: 640px){.course-document[data-v-491f0ea7]{padding:8px 18px 40px}.lecture-header h1[data-v-491f0ea7]{font-size:26px}.lecture-next[data-v-491f0ea7]{padding:20px}}.course-introduction[data-v-491f0ea7]{width:min(100%,1200px);padding-top:48px;padding-bottom:64px}.course-reading-body[data-v-491f0ea7]{max-width:820px;margin:0 auto}.section-kicker[data-v-491f0ea7]{color:var(--color-brand);font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.12em}.course-introduction h1[data-v-491f0ea7]{margin-top:12px;color:#1a1a1a;font-family:var(--font-display);font-size:30px;line-height:1.45}.intro-summary[data-v-491f0ea7]{margin-top:16px;color:#4a4a4a;font-size:16px;line-height:1.8}.start-reading[data-v-491f0ea7]{display:inline-block;margin-top:12px;color:var(--color-brand);font-size:14px;font-weight:600;text-decoration:none}.intro-notice[data-v-491f0ea7]{display:inline-block;margin-top:20px;padding:5px 9px;border:1px solid #ebcf9a;color:#8a5d14;font-size:12px}.intro-section[data-v-491f0ea7],.delivery-boundary[data-v-491f0ea7]{margin-top:34px;padding-top:26px;border-top:1px solid #e2e7e2}.intro-section h2[data-v-491f0ea7],.delivery-boundary h2[data-v-491f0ea7]{color:#1a1a1a;font-family:var(--font-display);font-size:20px}.intro-section p[data-v-491f0ea7],.intro-section li[data-v-491f0ea7],.delivery-boundary>p[data-v-491f0ea7]{margin-top:12px;color:#4a4a4a;font-size:14px;line-height:1.9}.intro-section ul[data-v-491f0ea7],.intro-section ol[data-v-491f0ea7]{padding-left:22px}.course-legal-links[data-v-491f0ea7]{display:flex;flex-wrap:wrap;gap:8px 16px;margin:30px 0;font-size:13px}.course-legal-links a[data-v-491f0ea7]{color:var(--color-brand);font-weight:600;text-decoration:none}.unavailable[data-v-491f0ea7]{display:grid;min-height:360px;place-content:center;gap:12px;color:#6a6a6a;text-align:center}.unavailable a[data-v-491f0ea7]{color:var(--color-brand);text-decoration:none}@media (max-width: 640px){.reader-back-nav[data-v-491f0ea7]{padding:12px 18px 0}.course-introduction[data-v-491f0ea7]{padding:32px 18px 48px}.course-introduction h1[data-v-491f0ea7]{font-size:25px}.delivery-boundary[data-v-491f0ea7]{padding:20px}.delivery-boundary dl[data-v-491f0ea7]{grid-template-columns:1fr}}