/* Only the insertion container changes flow; existing video cards remain intact. */
#video-guide.guide-with-prevalence { flex-direction: column; align-items: stretch; gap: clamp(36px,5vw,64px); }
.gdm-prevalence {
  --pv-pink: var(--pink, #f6bbc4);
  --pv-lilac: #bd9bb5;
  width: 100%; min-width: 0; padding: clamp(22px,3.5vw,48px);
  color: var(--ink); border: 1px solid var(--line); border-radius: 26px;
  background-color: rgba(255,250,244,.9);
  background-image: linear-gradient(135deg,rgba(255,250,244,.72),rgba(255,248,246,.58)),url('../assets/gdm-prevalence-background.web.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  box-shadow: 0 8px 28px rgba(140,74,61,.04); backdrop-filter: blur(8px);
}
.gdm-prevalence :where(h2,h3,p,figure) { margin: 0; }
.gdm-prevalence :where(div,section,figure) { min-width: 0; }
.gdm-prevalence p { overflow-wrap: anywhere; }
.gdm-prevalence .pv-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.gdm-prevalence .pv-eyebrow { font-size: 13px; color: var(--muted); letter-spacing: .05em; }
.gdm-prevalence h2 { margin-top: 8px; font-size: clamp(24px,2.3vw,32px); line-height: 1.4; font-weight: 600; }
.gdm-prevalence .pv-scopes { display: flex; flex-shrink: 0; flex-wrap: wrap; gap: 8px; }
.gdm-prevalence .pv-pill {
  min-height: 44px; padding: 9px 20px; max-width: 100%; border: 1px solid var(--line);
  border-radius: 999px; background: rgba(255,255,255,.6); color: var(--ink);
  font: inherit; font-size: 14px; line-height: 1.5; transition: background .3s,border-color .3s;
}
.gdm-prevalence .pv-pill:hover { background: color-mix(in srgb, var(--pv-pink) 20%, var(--paper)); }
.gdm-prevalence .pv-pill[aria-pressed="true"] {
  background: linear-gradient(120deg,color-mix(in srgb,var(--pv-pink) 42%,var(--paper)),color-mix(in srgb,var(--pv-lilac) 25%,var(--paper)));
  border-color: var(--pv-lilac);
}
.gdm-prevalence .pv-pill:focus-visible { outline: 3px solid var(--muted); outline-offset: 4px; }
.gdm-prevalence .pv-body { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); align-items: center; gap: clamp(28px,6vw,80px); margin: 32px 0; }
.gdm-prevalence .pv-label { color: var(--muted); font-size: 15px; }
.gdm-prevalence .pv-number { margin: 8px 0 16px; font-size: clamp(56px,5.5vw,78px); font-weight: 500; line-height: 1.05; font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.gdm-prevalence .pv-number small { font-size: .48em; margin-left: 5px; }
.gdm-prevalence .pv-description { max-width: 440px; font-size: 16px; line-height: 1.9; min-height: 3.8em; }
.gdm-prevalence .pv-hint { display: inline-block; margin-top: 20px; padding: 12px 16px; border-radius: 14px; background: color-mix(in srgb,var(--pv-pink) 14%,var(--paper)); font-size: 14px; }
.gdm-prevalence .pv-visual { width: min(100%,350px); justify-self: center; }
.gdm-prevalence .pv-dot-grid { display: grid; grid-template-columns: repeat(10,minmax(0,1fr)); gap: clamp(7px,1.1vw,12px); width: 100%; }
.gdm-prevalence .pv-dot { display: block; position: relative; aspect-ratio: 1; border-radius: 50%; background: linear-gradient(135deg,#ede4e8,#e6dde6); }
.gdm-prevalence .pv-dot::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(135deg,var(--pv-pink),var(--pv-lilac));
  -webkit-mask-image: conic-gradient(#000 var(--pv-fill,0%),transparent 0);
  mask-image: conic-gradient(#000 var(--pv-fill,0%),transparent 0);
}
.gdm-prevalence figcaption { margin-top: 16px; text-align: center; color: var(--muted); font-size: 12px; line-height: 1.7; }
.gdm-prevalence .pv-regions-label { font-size: 14px; margin-bottom: 12px; }
.gdm-prevalence .pv-regions { display: flex; flex-wrap: wrap; gap: 10px; }
.gdm-prevalence .pv-city-area { padding: 22px; border: 1px solid color-mix(in srgb,var(--line) 65%,transparent); border-radius: 18px; background: rgba(255,255,255,.38); }
.gdm-prevalence .pv-city-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.gdm-prevalence .pv-city-heading h3 { font-size: clamp(20px,2.1vw,28px); line-height: 1.45; font-weight: 500; }
.gdm-prevalence .pv-city-range { flex-shrink: 0; color: var(--ink); font-size: clamp(25px,2.7vw,38px); font-weight: 500; font-variant-numeric: tabular-nums; }
.gdm-prevalence .pv-city-range small { display: block; color: var(--muted); font-size: 11px; line-height: 1.5; font-weight: 400; }
.gdm-prevalence .pv-cities { display: flex; flex-wrap: wrap; gap: 10px; }
.gdm-prevalence .pv-city-note { margin-top: 16px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.gdm-prevalence .pv-china { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 20px; }
.gdm-prevalence .pv-info { padding: 22px; border: 1px solid color-mix(in srgb,var(--line) 65%,transparent); border-radius: 18px; background: rgba(255,255,255,.38); }
.gdm-prevalence .pv-info h3 { font-size: 15px; font-weight: 500; margin-bottom: 10px; }
.gdm-prevalence .pv-every { font-size: clamp(22px,2.3vw,30px); font-weight: 500; line-height: 1.5; margin-bottom: 10px; }
.gdm-prevalence .pv-info p:not(.pv-every) { font-size: 14px; line-height: 1.85; }
.gdm-prevalence .pv-note { margin-top: 10px; color: var(--muted); font-size: 12px !important; }
.gdm-prevalence .pv-closing { margin-top: 28px; padding: 22px 24px; border-radius: 18px; background: linear-gradient(115deg,color-mix(in srgb,var(--pv-pink) 18%,var(--paper)),color-mix(in srgb,var(--pv-lilac) 10%,var(--paper))); }
.gdm-prevalence .pv-closing strong { display: block; font-size: 17px; font-weight: 500; line-height: 1.7; }
.gdm-prevalence .pv-closing p { margin-top: 8px; font-size: 14px; line-height: 1.9; }
.gdm-prevalence .pv-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.gdm-prevalence.pv-changing .pv-dot::after { animation: pv-light .45s ease both; animation-delay: var(--pv-delay); }
.gdm-prevalence.pv-changing :where(.pv-stat,.pv-china) { animation: pv-copy .4s ease both; }
@keyframes pv-light { from { opacity: .35; transform: scale(.94); } to { opacity: 1; transform: scale(1); } }
@keyframes pv-copy { from { opacity: .4; } to { opacity: 1; } }
@media(min-width:1000px) and (min-height:760px) {
  #video-guide.guide-with-prevalence { gap: clamp(24px,3vh,36px); }
  .gdm-prevalence {
    min-height: min(820px,calc(100svh - 126px));
    height: auto;
    max-height: none;
    padding: clamp(24px,2.4vh,34px) clamp(34px,3.4vw,52px);
    display: grid;
    grid-template: auto auto auto auto / minmax(0,1fr);
    align-content: space-between;
  }
  .gdm-prevalence .pv-header { align-self: start; }
  .gdm-prevalence h2 { font-size: clamp(30px,2.2vw,40px); }
  .gdm-prevalence .pv-body {
    grid-template-columns: minmax(0,.9fr) minmax(320px,1.1fr);
    gap: clamp(48px,7vw,110px);
    margin: clamp(16px,2vh,24px) 0;
    align-items: start;
  }
  .gdm-prevalence .pv-stat { align-self: center; }
  .gdm-prevalence .pv-number { margin: 4px 0 10px; font-size: clamp(92px,7.2vw,138px); line-height: .94; }
  .gdm-prevalence .pv-description { font-size: 15px; line-height: 1.65; min-height: 3.3em; }
  .gdm-prevalence .pv-hint { margin-top: 12px; padding: 9px 14px; }
  .gdm-prevalence .pv-visual { width: min(100%,250px); align-self: start; }
  .gdm-prevalence .pv-dot-grid { gap: clamp(4px,.5vw,7px); }
  .gdm-prevalence figcaption { margin-top: 10px; }
  .gdm-prevalence .pv-city-area { position: relative; margin-top: 16px; padding: 15px 18px; }
  .gdm-prevalence .pv-city-heading { align-items: center; margin-bottom: 11px; }
  .gdm-prevalence .pv-city-heading h3 { font-size: clamp(18px,1.55vw,25px); }
  .gdm-prevalence .pv-city-range { font-size: clamp(25px,2.15vw,36px); }
  .gdm-prevalence .pv-city-range small { text-align: right; }
  .gdm-prevalence .pv-cities { gap: 7px; }
  .gdm-prevalence .pv-city-pill { min-height: 36px; padding: 6px 13px; font-size: 12px; }
  .gdm-prevalence .pv-city-note { margin-top: 10px; font-size: 11px; line-height: 1.55; }
  .gdm-prevalence .pv-china { position: relative; margin-top: 16px; gap: 14px; }
  .gdm-prevalence .pv-info { padding: 15px 18px; }
  .gdm-prevalence .pv-closing { margin-top: 12px; padding: 12px 18px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
  .gdm-prevalence .pv-closing strong { font-size: 15px; }
  .gdm-prevalence .pv-closing p { margin-top: 0; font-size: 12px; line-height: 1.6; text-align: right; }
}
@media(max-width:800px) {
  .gdm-prevalence .pv-body { grid-template-columns: 1fr; gap: 28px; }
  .gdm-prevalence .pv-china { grid-template-columns: 1fr; }
  .gdm-prevalence .pv-city-heading { align-items: flex-start; flex-direction: column; }
  .gdm-prevalence .pv-description { max-width: none; min-height: 0; }
}
@media(max-width:540px) {
  .gdm-prevalence { padding: 22px 18px; border-radius: 22px; }
  .gdm-prevalence .pv-header { flex-direction: column; align-items: flex-start; gap: 18px; }
  .gdm-prevalence .pv-body { margin: 26px 0; }
  .gdm-prevalence .pv-pill { padding: 9px 16px; }
  .gdm-prevalence .pv-info,.gdm-prevalence .pv-closing { padding: 18px; }
}
@media(prefers-reduced-motion:reduce) {
  .gdm-prevalence *, .gdm-prevalence *::after { animation: none !important; transition: none !important; }
}