.pm25 { --pm25-accent: #985036; }
.pm25-heading { display: grid; grid-template-columns: 1.15fr 1fr; align-items: end; gap: 64px; margin-bottom: 48px; }
.pm25-intro { color: var(--secondary); font-size: 16px; }
.pm25-intro p + p { margin-top: 16px; }
.pm25-intro .source-link { margin-top: 12px; }
.pm25-note { font-size: 13px; line-height: 1.65; color: var(--secondary); }
.pm25-mechanism { border-block: 1px solid var(--border); padding-block: 28px; }
.pm25-mechanism h3 { font-size: 20px; }
.pm25-steps { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; list-style: none; margin: 24px 0; padding: 0; }
.pm25-steps li { display: flex; align-items: flex-start; gap: 14px; position: relative; font-size: 15px; line-height: 1.55; }
.pm25-steps li:not(:last-child)::after { content: '→'; position: absolute; right: -20px; top: 4px; color: #637b5b; }
.pm25-step-number { color: #637b5b; font-size: 12px; border: 1px solid #a9b99d; border-radius: 50%; width: 30px; height: 30px; display: grid; place-items: center; flex: 0 0 auto; }
.pm25-mechanism > p { max-width: 840px; }
.pm25-family { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; margin-top: 32px; }
.pm25-family article { padding: 30px 32px; border-radius: 24px; background: var(--muted); }
.pm25-family .eyebrow { margin-bottom: 14px; }
.pm25-family h3 { margin-bottom: 14px; }
.pm25-family article > p:last-child { color: var(--secondary); font-size: 15px; }
.pm25-family-source { margin-top: 8px; }
.pm25-comparison { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; margin-top: 64px; }
.pm25-who { background: var(--sage); border-radius: 28px; padding: 32px; }
.pm25-who .eyebrow { margin-bottom: 16px; }
.pm25-limits { margin-block: 24px; }
.pm25-limits > div { border-bottom: 1px solid #bdccb5; padding-block: 16px 22px; }
.pm25-limits > div:first-child { padding-top: 0; }
.pm25-limits dt { font-size: 13px; color: var(--secondary); }
.pm25-limits dd { font-size: 76px; line-height: 1.1; font-weight: 400; letter-spacing: -.05em; margin-top: 8px; }
.pm25-limits dd span { font-size: 20px; letter-spacing: -.02em; white-space: nowrap; }
.pm25-who .source-link { margin-top: 12px; }
.pm25-cities .eyebrow { margin-bottom: 16px; }
.pm25-cities h3 + p { margin-top: 8px; }
.pm25-chart-key { display: grid; grid-template-columns: 1fr 2.6fr; font-size: 11px; line-height: 1.5; color: var(--secondary); margin-top: 24px; max-width: 420px; }
.pm25-key-item { display: grid; gap: 10px; align-content: start; }
.pm25-key-item > span:last-child { padding-right: 12px; }
.pm25-key-item:last-child > span:last-child { padding-left: 12px; padding-right: 0; }
.pm25-key-swatch { display: block; height: 10px; position: relative; }
.pm25-key-who { background: #91a585; border-radius: 3px 0 0 3px; }
.pm25-key-excess { background: var(--primary); border-radius: 0 3px 3px 0; }
.pm25-key-excess::before { content: ''; position: absolute; left: 0; top: -3px; bottom: -3px; border-left: 2px dashed var(--ink); }
.pm25-bars { list-style: none; padding: 0; margin: 18px 0 24px; }
.pm25-bars li + li { margin-top: 16px; }
.pm25-bar-label { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; font-size: 15px; }
.pm25-bar-label > span:last-child { display: flex; align-items: baseline; gap: 16px; white-space: nowrap; }
.pm25-bar-label strong { font-size: 19px; font-weight: 500; }
.pm25-bar-label small { min-width: 70px; text-align: right; color: var(--secondary); font-size: 12px; }
.pm25-track { position: relative; height: 10px; background: #e9ede4; border-radius: 3px; margin-top: 5px; }
.pm25-track > span { display: block; width: var(--pm-value); height: 100%; background: var(--primary); border-radius: 3px; }

.pm25-track > span::before { content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: min(6.25%, var(--pm-value)); background: #91a585; border-radius: 3px 0 0 3px; }

.pm25-track::after { content: ''; position: absolute; top: -3px; bottom: -3px; left: 6.25%; border-left: 2px dashed var(--ink); }
.pm25-country { padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.pm25-source-row { display: flex; flex-wrap: wrap; gap: 4px 24px; margin-top: 12px; }
.pm25-almaty { border: 1px solid var(--border); border-radius: 28px; padding: 36px; margin-top: 64px; }
.pm25-almaty-heading { display: grid; grid-template-columns: 1.2fr 1fr; align-items: end; gap: 48px; margin-bottom: 28px; }
.pm25-almaty-heading .eyebrow { margin-bottom: 16px; }
.pm25-almaty-heading h3 { font-family: var(--serif); font-size: clamp(32px,3.5vw,44px); line-height: 1.12; font-weight: 400; letter-spacing: -.035em; }
.pm25-almaty-heading h3 em { color: #637b5b; }
.pm25-almaty-heading > p { color: var(--secondary); font-size: 14px; }
.pm25-heatmap { margin-inline: -12px; }
.pm25-heatmap > a { display: block; background: #fff; border-radius: 12px; padding: 12px; }
.pm25-heatmap img { width: 100%; height: auto; }
.pm25-heatmap figcaption { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-inline: 12px; font-size: 11px; color: var(--secondary); }
.pm25-heatmap .text-link { white-space: nowrap; font-size: 12px; }
.pm25-winter { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); margin-top: 24px; }
.pm25-winter > div { padding: 10px 24px; border-right: 1px solid var(--border); }
.pm25-winter > div:first-child { padding-left: 0; }
.pm25-winter > div:last-child { border: 0; padding-right: 0; }
.pm25-winter dt { font-size: 13px; color: var(--secondary); }
.pm25-winter dd { font-size: clamp(30px,3.4vw,44px); line-height: 1.3; margin-block: 6px; letter-spacing: -.04em; }
.pm25-winter dd span { font-size: 14px; letter-spacing: 0; white-space: nowrap; }
.pm25-winter dt small { display: block; font-size: 11px; font-weight: 400; color: var(--secondary); margin-top: 4px; }
.pm25-peak { display: flex; align-items: center; gap: 28px; padding: 24px 28px; margin-block: 28px 12px; border-radius: 18px; background: #f3e9e1; }
.pm25-peak > strong { font-size: 58px; letter-spacing: -.05em; font-weight: 400; line-height: 1; color: var(--pm25-accent); white-space: nowrap; }
.pm25-peak p { font-size: 14px; color: var(--secondary); }
.pm25-peak b { color: var(--ink); font-weight: 500; }
.pm25-method { margin-top: 18px; border-top: 1px solid var(--border); }
.pm25-method summary,.pm25-sources summary { padding-block: 16px; font-size: 13px; }
.pm25-method > div { max-width: 860px; font-size: 12px; color: var(--secondary); }
.pm25-method p + p { margin-top: 12px; }
.pm25-world { display: grid; grid-template-columns: .8fr 1.2fr; gap: 24px 48px; padding-block: 40px; margin-top: 32px; border-bottom: 1px solid var(--border); }
.pm25-world .eyebrow { display: block; margin-bottom: 12px; }
.pm25-world-facts { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; }
.pm25-world-facts p { font-size: 14px; color: var(--secondary); }
.pm25-world-facts strong { color: var(--ink); font-weight: 500; }
.pm25-world > .pm25-note { grid-column: 2; font-size: 11px; }
.pm25-sources { padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.pm25-sources .pm25-source-row { margin-top: 0; padding-bottom: 12px; }
.pm25 > .filter-statement { margin-top: 12px; }
@media(max-width:1000px) {
  .pm25-heading { gap: 32px; grid-template-columns: 1.05fr 1fr; }
  .pm25-comparison { gap: 28px; }
  .pm25-who { padding: 26px; }
  .pm25-family article { padding: 26px; }
  .pm25-almaty { padding: 28px; }
  .pm25-world { grid-template-columns: 1fr; }
  .pm25-world > .pm25-note { grid-column: 1; }
}
@media(max-width:760px) {
  .pm25-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 32px; }
  .pm25-intro { font-size: 15px; }
  .pm25-steps { grid-template-columns: 1fr; gap: 24px; margin-block: 22px; }
  .pm25-steps li { align-items: center; }
  .pm25-steps li:not(:last-child)::after { content: '↓'; left: 10px; right: auto; top: auto; bottom: -24px; font-size: 13px; }
  .pm25-family { grid-template-columns: 1fr; gap: 16px; margin-top: 24px; }
  .pm25-comparison { grid-template-columns: 1fr; gap: 32px; margin-top: 40px; }
  .pm25-limits { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .pm25-limits > div,.pm25-limits > div:first-child { padding: 0 0 18px; }
  .pm25-limits dt { font-size: 12px; }
  .pm25-limits dd { font-size: 56px; }
  .pm25-limits dd span { display: block; margin-top: 4px; font-size: 16px; }
  .pm25-almaty { padding: 22px; margin-top: 40px; }
  .pm25-almaty-heading { grid-template-columns: 1fr; gap: 18px; }
  .pm25-heatmap { margin-inline: -12px; }
  .pm25-heatmap > a { padding: 4px; }
  .pm25-heatmap figcaption { display: block; padding-inline: 0; margin-top: 10px; }
  .pm25-winter { grid-template-columns: 1fr; margin-top: 12px; }
  .pm25-winter > div,.pm25-winter > div:first-child,.pm25-winter > div:last-child { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 0 12px; border: 0; border-bottom: 1px solid var(--border); padding: 14px 0; }
  .pm25-winter dd { grid-column: 2; grid-row: 1 / 3; font-size: 32px; }
  .pm25-winter dd span { display: block; text-align: right; font-size: 12px; }
  .pm25-peak { align-items: flex-start; flex-direction: column; gap: 14px; padding: 22px; margin-top: 24px; }
  .pm25-peak > strong { font-size: 52px; }
  .pm25-world { margin-top: 8px; padding-block: 32px; }
  .pm25-world-facts { grid-template-columns: 1fr; gap: 24px; }
  .pm25-world-facts article + article { border-top: 1px solid var(--border); padding-top: 24px; }
}
@media(max-width:359px) {
  .pm25-who,.pm25-family article { padding: 22px; }
  .pm25-almaty { padding: 18px; }
  .pm25-bar-label > span:last-child { gap: 8px; }
  .pm25-bar-label { font-size: 14px; }
}

.pm25-article-widget { font: 400 16px/1.65 var(--sans); margin-top: 40px; }
.pm25-article-widget > .pm25-cities { max-width: 680px; margin-inline: auto; }
.pm25-article-widget > .pm25-cities h2 { font: 500 22px/1.3 var(--sans); letter-spacing: -.025em; }
.pm25-article-widget > .pm25-cities h2 + p { margin-top: 8px; }
.pm25-article-widget .pm25-almaty { margin-top: 0; }
.pm25-article-widget .pm25-almaty-heading h2 { font: 400 clamp(32px,3.5vw,44px)/1.12 var(--serif); letter-spacing: -.035em; }
.pm25-article-widget .pm25-world { grid-template-columns: 1fr; margin-top: 0; padding-top: 0; }
.pm25-article-widget .pm25-world > .pm25-note { grid-column: 1; }
.pm25-article-widget .pm25-world h2 { font: 500 22px/1.3 var(--sans); letter-spacing: -.025em; }
.article-body .pm25-article-widget { margin-block: 24px; }
.article-body .pm25-mechanism h3 { margin: 0; font-size: 20px; }
.article-body .pm25-mechanism > .pm25-note { font-size: 13px; line-height: 1.65; }
.pm25-almaty + .filter-statement { margin-top: 32px; }
@media(max-width:760px) {
  .pm25-desktop-reading,.pm25-heatmap .pm25-chart-credit { display: none; }
}

.pm25-bar-label { flex-wrap: wrap; gap: 4px 12px; }
.pm25-bar-label > span:last-child { margin-left: auto; }
.pm25-bar-label strong .pm25-unit { font-size: 11px; font-weight: 400; color: var(--secondary); }