/* Scoped reading layout. Shared navigation, footer and other articles are untouched. */
.insight-page {
  --insight-blue: var(--primary-color, #1e40af);
  --insight-ink: #2d3748;
  --insight-muted: #718096;
  --insight-wash: #f8f9fa;
  --insight-rule: #e6e8ee;
  --insight-white: #fff;
  --insight-page-width: 1168px;
  --insight-sidebar-width: 304px;
  --insight-gap: 64px;
  --insight-section-gap: 64px;
  --insight-header-height: 80px;
  --insight-radius: 12px;
  background: var(--insight-white);
  color: var(--insight-ink);
  padding-bottom: 80px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.8;
}
.insight-page *, .insight-page *::before, .insight-page *::after { box-sizing: border-box; }
.insight-page a { color: var(--insight-blue); text-decoration: none; }
.insight-page a:hover { text-decoration: underline; text-underline-offset: 4px; }
.insight-page :focus-visible { outline: 2px solid var(--insight-blue); outline-offset: 5px; }
.insight-page p { margin: 0 0 20px; }
.insight-shell { width: calc(100% - 128px); max-width: var(--insight-page-width); margin: 0 auto; }
.insight-breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding: 24px 0 28px; font-size: 12px; line-height: 1.6; color: var(--insight-muted); }
.insight-breadcrumb a { color: var(--insight-muted); }
.insight-breadcrumb > [aria-hidden] { opacity: .45; }
.insight-layout { display: block; }
.insight-page.is-enhanced .insight-layout { display: grid; grid-template-columns: minmax(0, 1fr) var(--insight-sidebar-width); gap: var(--insight-gap); align-items: start; }
.insight-main { min-width: 0; }
.insight-heading { margin: 0 0 28px; }
.insight-category { display: inline-block; margin-bottom: 12px; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.insight-heading h1 { margin: 0 0 20px; color: var(--insight-ink); font-size: clamp(28px, 2.4vw, 36px); font-weight: 750; line-height: 1.4; letter-spacing: -.025em; text-wrap: balance; }
.insight-metadata { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px; font-size: 12px; color: var(--insight-muted); line-height: 1.6; }
.insight-metadata time { font-variant-numeric: tabular-nums; }
.insight-sharing { position: relative; display: flex; align-items: center; gap: 14px; margin-left: auto; }
.insight-sharing a { display: inline-flex; width: 20px; height: 20px; flex: 0 0 20px; align-items: center; justify-content: center; }
.insight-sharing img { width: 20px; height: 20px; max-width: none; object-fit: contain; flex-shrink: 0; opacity: .65; }
.insight-sharing .qrcode_ewmimg { position: absolute; right: 0; top: 32px; z-index: 5; width: 154px; padding: 12px; background: white; box-shadow: 0 4px 20px rgb(0 0 0 / 10%); }
.insight-sharing .qrcode_ewmimg img { width: 130px; height: 130px; opacity: 1; }
.insight-body { max-width: none; margin: 0; overflow-wrap: break-word; font-size: 17px; line-height: 1.8; }
.insight-body strong { color: var(--insight-blue); font-weight: 650; }
.insight-cover { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; margin: 0 0 32px; border-radius: var(--insight-radius); }
.insight-intro { margin: 0 0 56px; }
.insight-intro .insight-lead { font-size: 18px; line-height: 1.85; margin-bottom: 20px; }
.insight-intro .insight-source-note { font-size: 13px; line-height: 1.8; color: var(--insight-muted); }
.insight-lesson { margin: 0 0 var(--insight-section-gap); scroll-margin-top: calc(var(--insight-header-height) + 28px); }
.insight-lesson:focus { outline: none; }
.insight-lesson:focus-visible { outline: 2px solid var(--insight-blue); outline-offset: 8px; }
.insight-lesson-heading { padding-top: 26px; margin-bottom: 28px; border-top: 1px solid var(--insight-rule); }
.insight-lesson-heading-row { display: grid; grid-template-columns: 60px minmax(0, 1fr); gap: 18px; align-items: start; }
.insight-lesson-number > span:first-child { display: block; color: var(--insight-blue); font-family: Georgia, serif; font-size: 44px; line-height: 1.12; letter-spacing: -.05em; }
.insight-lesson-number > span:last-child { display: block; color: var(--insight-muted); font-size: 8px; letter-spacing: .11em; margin-top: 4px; line-height: 1; }
.insight-lesson-titles h2 { margin: 2px 0 5px; font-size: 24px; line-height: 1.4; font-weight: 700; color: var(--insight-ink); }
.insight-lesson-titles p { font-size: 16px; color: var(--insight-muted); line-height: 1.65; margin: 0; }
.insight-data { margin-bottom: 28px; }
.insight-metrics { display: flex; align-items: stretch; margin: 0 0 16px; }
.insight-metric { flex: 1 1 0; min-width: 0; padding: 0 16px; border-left: 1px solid var(--insight-rule); }
.insight-metric:first-child { padding-left: 0; border-left: 0; }
.insight-metric:last-child { padding-right: 0; }
.insight-metric .insight-metric-value { margin: 0 0 8px; color: var(--insight-blue); font-family: "DIN Alternate", "Arial", sans-serif; font-size: 32px; font-weight: 750; font-variant-numeric: tabular-nums; line-height: 1.25; white-space: nowrap; }
.insight-metric-value span { font-family: inherit; font-size: 14px; font-weight: 500; }
.insight-metric .insight-metric-label { font-size: 13px; line-height: 1.6; color: var(--insight-muted); margin: 0; }
.insight-data .insight-data-source { margin: 0; font-size: 13px; color: var(--insight-muted); line-height: 1.8; }
.insight-takeaway { margin: 0 0 28px; padding: 14px 20px; border-left: 3px solid var(--insight-blue); background: linear-gradient(90deg, color-mix(in srgb, var(--insight-blue) 5%, white), transparent 85%); }
.insight-takeaway > p:first-child { margin: 0 0 7px; color: var(--insight-blue); font-size: 13px; font-weight: 650; }
.insight-takeaway > p:last-child { margin: 0; color: var(--insight-ink); font-size: 18px; font-weight: 600; line-height: 1.8; }
.insight-actions { margin-bottom: 28px; }
.insight-actions > p:first-child { font-size: 13px; font-weight: 700; color: var(--insight-muted); margin-bottom: 18px; }
.insight-action { display: flex; gap: 14px; align-items: flex-start; margin: 0 0 12px; }
.insight-action:last-child { margin-bottom: 0; }
.insight-action > span { display: inline-flex; align-items: center; justify-content: center; width: 23px; height: 23px; flex: 0 0 23px; margin-top: 3px; border-radius: 50%; color: white; background: var(--insight-blue); font-size: 12px; font-weight: 650; line-height: 1; }
.insight-action > p { margin: 0; font-size: 17px; line-height: 1.78; max-width: 44em; }
.insight-case { position: relative; margin: 0; padding: 26px 28px; background: white; border-radius: var(--insight-radius); box-shadow: 0 4px 20px rgb(0 0 0 / 6%); }
.insight-case::before { content: ""; position: absolute; top: 24px; bottom: 24px; left: 0; width: 3px; border-radius: 2px; background: var(--insight-blue); }
.insight-case-badge { display: inline-block; border-radius: 999px; padding: 5px 12px; margin-bottom: 14px; font-size: 12px; line-height: 1.5; font-weight: 700; color: var(--insight-blue); background: color-mix(in srgb, var(--insight-blue) 7%, white); }
.insight-case p { margin: 0; color: var(--insight-ink); font-size: 16px; line-height: 1.85; }
.insight-conclusion { margin: 0 0 40px; padding-top: 28px; border-top: 1px solid var(--insight-rule); }
.insight-conclusion > span { display: block; margin-bottom: 16px; font-size: 12px; font-weight: 700; color: var(--insight-muted); }
.insight-conclusion > p:first-of-type { margin-bottom: 12px; font-size: 17px; }
.insight-conclusion > p:last-child { margin: 0; font-size: 26px; line-height: 1.6; font-weight: 700; }
.insight-conclusion > p:last-child span { color: var(--insight-blue); }
.insight-references { font-size: 13px; line-height: 1.85; color: var(--insight-muted); padding-top: 24px; border-top: 1px solid var(--insight-rule); }
.insight-sidebar { display: none; min-width: 0; align-self: stretch; }
.insight-page.is-enhanced .insight-sidebar { display: block; }
.insight-sidebar-sticky { position: sticky; top: calc(var(--insight-header-height) + 24px); max-height: calc(100dvh - var(--insight-header-height) - 48px); overflow-y: auto; scrollbar-width: thin; overscroll-behavior-y: contain; padding: 0 2px 4px; }
.insight-outline { margin-bottom: 24px; }
.insight-outline-summary { display: block; list-style: none; padding: 0; color: var(--insight-ink); }
.insight-outline-summary::-webkit-details-marker { display: none; }
.insight-outline-summary p { margin: 0 0 16px; font-size: 13px; line-height: 1.5; font-weight: 700; letter-spacing: .04em; }
.insight-outline-nav > div { display: flex; flex-direction: column; gap: 3px; }
.insight-outline-link { display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: baseline; padding: 9px 10px; border-radius: 5px; line-height: 1.65; }
.insight-outline-link:hover { text-decoration: none !important; background: var(--insight-wash); }
.insight-outline-link > span:first-child { font-family: Georgia, serif; font-size: 16px; color: var(--insight-muted); }
.insight-outline-link > span:last-child { font-size: 13px; color: var(--insight-muted); }
.insight-outline-link.is-current { background: var(--insight-wash); box-shadow: inset 2px 0 0 var(--insight-blue); }
.insight-outline-link.is-current > span { color: var(--insight-blue); font-weight: 650; }
.insight-progress-row { display: flex; justify-content: space-between; margin: 16px 0 8px; font-size: 11px; color: var(--insight-muted); line-height: 1.4; }
.insight-progress-value { font-variant-numeric: tabular-nums; }
.insight-progress { display: block; width: 100%; height: 3px; appearance: none; border: 0; overflow: hidden; border-radius: 3px; background: var(--insight-rule); accent-color: var(--insight-blue); }
.insight-progress::-webkit-progress-bar { background: var(--insight-rule); }
.insight-progress::-webkit-progress-value { background: var(--insight-blue); transition: width .15s linear; }
.insight-progress::-moz-progress-bar { background: var(--insight-blue); }
.insight-contact { padding: 22px; border-radius: var(--insight-radius); background: var(--insight-blue); color: white; }
.insight-contact p:first-child { font-size: 9px; letter-spacing: .055em; line-height: 1.65; margin: 0 0 12px; color: white; opacity: .8; }
.insight-contact p:nth-child(2) { margin: 0 0 12px; font-size: 19px; line-height: 1.5; font-weight: 700; }
.insight-contact p:nth-child(3) { margin: 0 0 18px; font-size: 13px; line-height: 1.8; color: white; opacity: .9; }
.insight-contact > a { display: block; width: 100%; padding: 11px 12px; border-radius: 7px; background: white; color: var(--insight-blue); text-align: center; font-size: 13px; font-weight: 700; line-height: 1.7; }
.insight-contact > a:hover { text-decoration: none; box-shadow: 0 2px 8px rgb(0 0 0 / 10%); }
.insight-mobile-outline, .insight-mobile-contact { display: none; }
.insight-related { margin-top: 36px; }
.insight-related .page-content-detags { margin-bottom: 28px; font-size: 13px; color: var(--insight-muted); }
.insight-related .page-content-detags a { display: inline-block; margin-right: 8px; }
.insight-related h2 { margin: 0 0 18px; font-size: 18px; color: var(--insight-ink); }
.insight-related .next-prev { padding: 20px 0 0; border-top: 1px solid var(--insight-rule); font-size: 14px; }
.insight-related .next-prev p { margin: 0; }
.insight-related .next-prev-left:has(p:only-child) { color: var(--insight-muted); }
.has-insight-reading #backTop { top: auto; right: 16px; bottom: 24px; transform: none; border-radius: 5px; }
.has-insight-reading #backTop .ft-tel, .has-insight-reading #backTop .ft-wx, .has-insight-reading #backTop .ft-qq { display: none; }
@media (min-width: 1024px) and (max-width: 1199px) {
  .insight-page { --insight-sidebar-width: 280px; --insight-gap: 40px; }
  .insight-shell { width: calc(100% - 112px); }
  .insight-metrics { flex-wrap: wrap; row-gap: 20px; }
  .insight-metric { flex: 1 1 50%; }
  .insight-metric:nth-child(odd) { border-left: 0; padding-left: 0; }
  .insight-lesson-titles h2 { font-size: 22px; }
}
@media (max-width: 1023px) {
  .insight-page { padding-bottom: 48px; --insight-section-gap: 52px; }
  .insight-shell { width: calc(100% - 40px); max-width: 800px; }
  .insight-page.is-enhanced .insight-layout { display: block; }
  .insight-page.is-enhanced .insight-sidebar { display: none; }
  .insight-heading h1 { font-size: 30px; }
  .insight-mobile-outline:not(:empty) { display: block; position: sticky; top: var(--insight-header-height); z-index: 100; margin-bottom: 24px; background: white; box-shadow: 0 5px 12px rgb(0 0 0 / 4%); }
  .insight-mobile-outline .insight-outline { margin: 0; }
  .insight-outline-summary { display: flex; align-items: center; justify-content: space-between; padding: 12px 4px; cursor: pointer; }
  .insight-outline-summary p { margin: 0; font-size: 13px; }
  .insight-outline-summary::after { content: ""; width: 7px; height: 7px; border-right: 1.5px solid var(--insight-muted); border-bottom: 1.5px solid var(--insight-muted); transform: rotate(45deg); margin: 0 10px 4px; }
  .insight-outline-details[open] .insight-outline-summary::after { transform: rotate(225deg); margin-top: 6px; }
  .insight-outline-nav { max-height: min(55dvh, 390px); overflow-y: auto; padding-bottom: 12px; }
  .insight-outline-link { padding: 9px 10px; }
  .insight-mobile-outline .insight-progress-row { display: none; }
  .insight-lesson { scroll-margin-top: calc(var(--insight-header-height) + 72px); }
  .insight-mobile-contact:not(:empty) { display: block; margin-top: 32px; }
  .insight-contact { padding: 26px; }
  .insight-contact p:nth-child(3) { font-size: 15px; }
  .insight-contact > a { width: fit-content; max-width: 100%; padding: 12px 18px; font-size: 14px; }
}
@media (max-width: 575px) {
  .insight-shell { width: calc(100% - 36px); }
  .insight-breadcrumb { padding: 20px 0; gap: 8px; font-size: 11px; }
  .insight-heading h1 { font-size: 27px; line-height: 1.45; margin-bottom: 18px; }
  .insight-metadata { gap: 8px 12px; font-size: 11px; }
  .insight-sharing { gap: 10px; }
  .insight-cover { border-radius: 8px; margin-bottom: 28px; }
  .insight-body { font-size: 16px; }
  .insight-intro { margin-bottom: 44px; }
  .insight-intro .insight-lead { font-size: 17px; }
  .insight-lesson-heading-row { grid-template-columns: 46px minmax(0, 1fr); gap: 12px; }
  .insight-lesson-number > span:first-child { font-size: 38px; }
  .insight-lesson-titles h2 { font-size: 22px; }
  .insight-lesson-titles p { font-size: 15px; }
  .insight-metrics { flex-wrap: wrap; row-gap: 22px; }
  .insight-metric { flex: 1 1 50%; padding: 0 12px; }
  .insight-metric:nth-child(odd) { padding-left: 0; border-left: 0; }
  .insight-metric .insight-metric-value { font-size: 30px; }
  .insight-takeaway { padding: 12px 16px; }
  .insight-takeaway > p:last-child { font-size: 17px; }
  .insight-action { gap: 12px; }
  .insight-action > p { font-size: 16px; }
  .insight-case { padding: 22px; }
  .insight-case p { font-size: 15px; }
  .insight-conclusion > p:last-child { font-size: 23px; }
  .insight-related .next-prev .row { row-gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .insight-page *, .insight-page *::before, .insight-page *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
@media print {
  .insight-page { padding: 0; font-size: 12pt; }
  .insight-shell { width: 100%; max-width: none; }
  .insight-page.is-enhanced .insight-layout { display: block; }
  .insight-page .insight-sidebar, .insight-mobile-outline, .insight-sharing { display: none !important; }
  .insight-case { box-shadow: none; border-left: 3px solid #1e40af; break-inside: avoid; }
  .insight-lesson { scroll-margin-top: 0; }
}