/* Positioning and case depth; screen only, original PDF exports are preserved. */
@media screen {
  :root { --type-section: clamp(36px, 3.25vw, 48px); }
  .section { padding-block: clamp(72px, 6vw, 92px); }
  .section-heading { margin-bottom: 32px; }
  .hero-positioning { z-index: 4; pointer-events: none; bottom: 144px; }
  .hero-positioning > * { opacity: 1; transform: none; transition: none; }
  .hero-positioning .slide-kicker { font-size: 12px; margin-bottom: 18px; }
  .hero-positioning h1 { max-width: 1040px; font-size: clamp(42px,4.45vw,68px); letter-spacing: -.035em; line-height: 1.2; text-wrap: initial; }
  .hero-positioning .hero-description { max-width: 720px; margin: 24px 0 0; font-size: 16px; line-height: 1.8; letter-spacing: 0; text-transform: none; font-weight: 400; }
  .hero-positioning .hero-actions { pointer-events: auto; margin-top: 24px; flex-wrap: wrap; gap: 12px 32px; }
  .hero-positioning .hero-actions a { min-height: 44px; font-weight: 600; white-space: nowrap; }
  .slide-dongpeng .slide-shade { background: linear-gradient(180deg,rgba(0,0,0,.3),transparent 26%,rgba(0,0,0,.72) 100%),linear-gradient(90deg,rgba(0,0,0,.22),transparent 85%); }
  .data-note { display: block; font-size: 13px; line-height: 1.75; color: var(--muted); font-weight: 400; }
  .account-item .data-note { margin-top: 8px; }
  .localization-scope { margin-top: 24px; }
  .ads-section > .data-note { margin-bottom: 14px; }
  .sales-followup { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
  .sales-followup h3 { font-size: 15px; line-height: 1.6; font-weight: 600; }
  .sales-followup p { margin-top: 12px; font-size: 15px; line-height: 1.8; color: var(--muted); }
  .sales-followup small { display: block; margin-top: 8px; font-size: 12px; line-height: 1.7; color: var(--muted); }
  .case-expander { margin-top: 32px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .case-expander > summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 64px; padding: 16px 0; cursor: pointer; list-style: none; font-size: 16px; font-weight: 600; line-height: 1.6; }
  .case-expander > summary::-webkit-details-marker { display: none; }
  .case-expander > summary:focus-visible, .copy-wechat:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
  .expand-mark { flex: 0 0 24px; text-align: center; font-size: 24px; font-weight: 400; transition: transform .22s; }
  .case-expander[open] .expand-mark { transform: rotate(45deg); }
  .case-expanded { padding-bottom: 28px; }
  .case-facts { display: grid; gap: 16px; margin: 0; }
  .case-facts > div { display: grid; grid-template-columns: 110px minmax(0,1fr); gap: 24px; }
  .case-facts dt { font-size: 14px; font-weight: 600; line-height: 1.8; }
  .case-facts dd { margin: 0; font-size: 15px; line-height: 1.8; color: var(--muted); }
  .website-builds { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 64px 48px; align-items: start; }
  .build-case { min-width: 0; scroll-margin-top: 110px; }
  .build-case > .evidence-button img, .delivery-gallery img { display: block; width: 100%; height: auto; object-fit: contain; }
  .build-case .site-caption { margin-top: 22px; }
  .build-case > p { font-size: 16px; line-height: 1.8; color: var(--muted); margin-top: 12px; }
  .build-case .case-facts > div { grid-template-columns: 1fr; gap: 4px; }
  .build-case .case-expander { margin-top: 24px; }
  .build-case .case-expander summary { font-size: 15px; }
  .seo-example { font-size: 14px; line-height: 1.8; margin: 24px 0; overflow-wrap: anywhere; }
  .seo-example span { color: var(--muted); }
  .delivery-gallery { display: grid; gap: 24px; margin-top: 24px; }
  .delivery-gallery figure { margin: 0; }
  .delivery-gallery figcaption { margin-top: 8px; font-size: 13px; line-height: 1.6; color: var(--muted); }
  .case-page-links { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 24px; }
  .case-page-links a { font-size: 14px; text-decoration: underline; text-underline-offset: 5px; min-height: 44px; display: inline-flex; align-items: center; }
  .case-crosslink, .case-page-links .case-text-evidence { display: inline-flex; align-items: center; min-height: 44px; font: inherit; font-size: 14px; color: var(--ink); text-decoration: underline; text-underline-offset: 5px; }
  .case-crosslink { margin-top: 4px; }
  .case-page-links .case-text-evidence { width: auto; cursor: pointer; }
  .project-results { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; margin-top: 24px; padding-block: 22px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .project-results > div { min-width: 0; }
  .project-results strong { display: block; font-size: clamp(30px,2.6vw,38px); font-weight: 600; letter-spacing: -.025em; line-height: 1.2; white-space: nowrap; }
  .project-results small { font-size: 15px; font-weight: 500; letter-spacing: 0; margin-inline: 5px; }
  .project-results span { display: block; margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.6; }
  .project-results-single { grid-template-columns: 1fr; padding-bottom: 0; border-bottom: 0; }
  .greenview-site { display: grid; grid-template-columns: 1fr 1.3fr auto; gap: 32px; align-items: center; margin-top: 48px; padding-top: 30px; border-top: 1px solid var(--line); }
  .greenview-site h3 { font-size: 22px; font-weight: 600; line-height: 1.5; }
  .greenview-site span { display: block; font-size: 13px; color: var(--muted); margin-top: 6px; }
  .greenview-site p { font-size: 15px; line-height: 1.8; color: var(--muted); }
  .greenview-site a { font-size: 14px; text-decoration: underline; text-underline-offset: 5px; white-space: nowrap; }
  .resume-section { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 48px; padding-block: 44px 52px; scroll-margin-top: 100px; align-items: start; }
  .resume-section h2 { font-size: 28px; line-height: 1.4; margin-top: 12px; font-weight: 600; letter-spacing: -.02em; }
  .resume-actions { min-width: 0; }
  .resume-primary { display: flex; justify-content: space-between; align-items: center; min-height: 60px; border-bottom: 1px solid var(--line); font-size: 16px; }
  .resume-primary > span { font-size: 13px; color: var(--muted); }
  .resume-specialties { margin-top: 8px; }
  .resume-specialties > summary { display: flex; justify-content: space-between; align-items: center; min-height: 48px; cursor: pointer; list-style: none; font-size: 14px; color: var(--muted); }
  .resume-specialties > summary::-webkit-details-marker { display: none; }
  .resume-specialties[open] .expand-mark { transform: rotate(45deg); }
  .resume-primary:focus-visible, .resume-specialties > summary:focus-visible, .script-more > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
  .resume-links { display: grid; grid-template-columns: 1fr; gap: 0; margin-top: 0; }
  .resume-links a { display: flex; flex-direction: column; gap: 12px; padding: 20px 0; border-top: 1px solid var(--line); min-height: 92px; }
  .resume-links strong { font-size: 16px; font-weight: 600; line-height: 1.6; }
  .resume-links span { font-size: 13px; color: var(--muted); text-decoration: underline; text-underline-offset: 5px; }
  .copy-wechat { display: block; border: 1px solid rgba(255,255,255,.4); color: #fff; background: transparent; border-radius: 10px; padding: 8px 16px; min-height: 44px; font: inherit; font-size: 13px; cursor: pointer; margin-top: 12px; transition: background-color .22s; }
  .copy-wechat:hover { background: rgba(255,255,255,.08); }
  .copy-status { display: block; font-size: 12px; line-height: 1.5; color: #ddd; }
  .personal-media { margin-top: 32px; }
  .personal-media img { max-height: 380px; }
  .ai-section .ai-grid { gap: 40px; }
  .ai-section .ai-delivery-head { margin-bottom: 22px; gap: 32px; }
  .ai-storyboard { max-width: 1060px; margin-inline: auto; gap: 28px; }
  .script-more { min-width: 0; }
  .script-more > summary { display: none; }
  .ai-story-text { margin-top: 14px; }
  @media (min-width:851px) {
    .build-case > .evidence-button { aspect-ratio: 1920 / 1030; overflow: hidden; min-height: 0; }
    .build-case > .evidence-button img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
    @supports (grid-template-rows: subgrid) {
      /* Share image, caption, description and summary rows across each case pair. */
      .website-builds { row-gap: 0; }
      .build-case { display: grid; grid-template-rows: subgrid; grid-row: span 4; row-gap: 0; align-items: start; }
      .build-case:nth-child(-n+2) { padding-bottom: 64px; }
    }
  }
  @media (max-width:850px) {
    .hero-positioning { bottom: 165px; }
    .hero-positioning h1 { font-size: clamp(35px,5.7vw,49px); }
    .hero-positioning .hero-description { font-size: 15px; max-width: 570px; }
    .website-builds { grid-template-columns: 1fr; gap: 60px; }
    .resume-section { grid-template-columns: 1fr; gap: 20px; }
    .build-case .case-facts > div { grid-template-columns: 110px minmax(0,1fr); gap: 18px; }
    .greenview-site { grid-template-columns: 1fr; gap: 16px; }
    .resume-links { grid-template-columns: 1fr; gap: 0; }
    .resume-links a { flex-direction: row; justify-content: space-between; align-items: center; min-height: 76px; gap: 20px; }
  }
  @media (max-width:640px) {
    :root { --type-section: clamp(23px, 6.8vw, 28px); }
    .section { padding-block: 52px; }
    .section-heading { margin-bottom: 26px; }
    .hero-positioning { bottom: 150px; }
    .hero-positioning h1 { font-size: clamp(24px,7.7vw,32px); line-height: 1.3; max-width: none; letter-spacing: -.035em; }
    .hero-positioning .slide-kicker { font-size: 10px; letter-spacing: .055em; margin-bottom: 16px; }
    .hero-positioning .hero-description { font-size: 14px; line-height: 1.8; margin-top: 18px; max-width: 100%; }
    .hero-positioning .hero-actions { gap: 12px 22px; margin-top: 20px; }
    .hero-positioning .hero-actions a { font-size: 13px; min-height: 44px; }
    .case-facts > div, .build-case .case-facts > div { grid-template-columns: 1fr; gap: 4px; }
    .case-expander summary { font-size: 15px; gap: 16px; }
    .case-facts dd { font-size: 14px; }
    .website-builds { gap: 48px; }
    .build-case > p { font-size: 15px; }
    .resume-section { padding-block: 36px 40px; }
    .resume-section h2 { font-size: 23px; }
    .resume-links strong { font-size: 15px; }
    .resume-links span { font-size: 12px; white-space: nowrap; }
    .personal-media img { max-height: 260px; }
    .ai-section .ai-grid { gap: 32px; }
    .ai-stage-row { min-height: 64px; }
    .ai-stage-row:not(:last-child)::after { top: 60px; height: 4px; }
    .ai-stage-row strong { height: 52px; }
    .ai-storyboard { gap: 20px; }
    .script-more > summary { display: flex; align-items: center; justify-content: space-between; min-height: 52px; border-top: 1px solid var(--line); cursor: pointer; list-style: none; font-size: 15px; font-weight: 600; }
    .script-more > summary::-webkit-details-marker { display: none; }
    .script-more[open] .expand-mark { transform: rotate(45deg); }
    .script-more .ai-story { border-top: 0; padding-top: 8px; }
  }
  @media (max-height:740px) and (min-width:641px) {
    .hero-positioning { bottom: 125px; }
    .hero-positioning h1 { font-size: clamp(36px,4.2vw,58px); }
  }
}