/* AYUNCHE: one continuous project story, with uncropped source materials. */
body[data-page="ayunche"] {
  --case-text: #4e5949;
  --case-soft: #e3e7db;
}

.case-study-hero,
.case-build,
.case-fieldwork,
.case-conclusion {
  padding-inline: max(var(--pad), calc((100vw - 1360px) / 2));
}

.case-study-hero { padding-top: 34px; padding-bottom: 62px; }
.case-study-hero .back-link { margin-bottom: 38px; font-size: 13px; }
.case-study-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.case-study-topline .section-index { line-height: 1.6; }
.case-status { font-size: 12px; line-height: 1.5; color: var(--case-text); }
.case-study-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, .8fr);
  align-items: end;
  gap: 7%;
  margin: 36px 0 37px;
}
.case-brand-name { font-size: 35px; line-height: 1; letter-spacing: .035em; margin-bottom: 25px; }
body[data-page="ayunche"] .case-study-hero h1 {
  font-size: clamp(43px, 4.15vw, 58px);
  line-height: 1.09;
  letter-spacing: -.045em;
  max-width: 760px;
  text-wrap: balance;
}
.case-study-intro { font-size: 17px; line-height: 1.75; color: var(--case-text); max-width: 460px; }
.case-study-cover { margin: 0; }
.case-study-cover > img { width: 100%; height: auto; }
body[data-page="ayunche"] figure { min-width: 0; }
body[data-page="ayunche"] figcaption {
  font-size: 13px;
  line-height: 1.6;
  color: #65705c;
  margin-top: 13px;
}
.case-results {
  display: grid;
  grid-template-columns: 1fr 1fr 1.05fr;
  gap: 0;
  margin-top: 34px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.case-results > div { min-width: 0; padding-inline: 28px; border-left: 1px solid var(--line); }
.case-results > div:first-child { padding-left: 0; border-left: 0; }
.case-results > div:last-child { padding-right: 0; }
.case-results strong { display: block; font-size: 52px; font-weight: 700; line-height: 1.1; letter-spacing: -.045em; }
.case-results > div:first-child strong { font-size: clamp(34px, 3.2vw, 46px); padding-top: 5px; }
.case-results strong span { font-size: .65em; vertical-align: top; color: #64883b; }
.case-results p { max-width: 290px; margin-top: 12px; font-size: 14px; color: var(--case-text); line-height: 1.55; }
.case-source-note { max-width: 870px; margin-top: 17px; font-size: 12px; line-height: 1.65; color: #697361; }

.case-build { background: #f4f4ef; padding-top: 68px; padding-bottom: 74px; }
.case-section-heading { max-width: 960px; }
.case-section-heading > .section-index { display: block; color: #65775a; margin-bottom: 22px; }
body[data-page="ayunche"] .case-section-heading h2,
body[data-page="ayunche"] .case-conclusion h2 {
  font-size: clamp(35px, 3.25vw, 46px);
  line-height: 1.16;
  letter-spacing: -.035em;
  max-width: 900px;
  white-space: pre-line;
}
.case-section-heading > p { max-width: 900px; margin-top: 24px; font-size: 17px; line-height: 1.8; color: var(--case-text); }
.dual-market {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 8%;
  align-items: center;
  margin-top: 45px;
}
.dual-market-copy article + article { padding-top: 27px; margin-top: 27px; border-top: 1px solid var(--line); }
.dual-market-copy h3 { font-size: 17px; line-height: 1.5; letter-spacing: .01em; }
.dual-market-copy p { margin-top: 14px; font-size: 16px; line-height: 1.8; color: var(--case-text); max-width: 490px; }
.case-materials { margin: 0; }
.case-materials > div { display: flex; align-items: flex-start; justify-content: center; gap: 22px; }
.case-materials img { width: calc((100% - 22px) / 2); max-width: 250px; height: auto; box-shadow: 0 8px 22px #27302010; }
.case-materials figcaption { max-width: 520px; margin-inline: auto; }
body[data-page="ayunche"] .case-delivery-title { font-size: 35px; line-height: 1.2; letter-spacing: -.03em; margin: 70px 0 26px; }
.case-pillars { counter-reset: pillar; }
.case-pillar {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  column-gap: 8%;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  counter-increment: pillar;
}
.case-pillar h3 { grid-column: 1; grid-row: 1 / span 2; font-size: 25px; line-height: 1.3; letter-spacing: -.025em; max-width: 480px; }
.case-pillar h3::before { content: "0" counter(pillar); display: block; margin-bottom: 15px; color: #66804d; font: 12px Arial, sans-serif; letter-spacing: .08em; }
.case-pillar > p { grid-column: 2; font-size: 16px; line-height: 1.75; color: var(--case-text); }
.case-pillar ul { grid-column: 2; list-style: none; padding: 0; margin: 18px 0 0; }
.case-pillar li { position: relative; padding: 5px 0 5px 17px; font-size: 14px; line-height: 1.6; color: #54634a; }
.case-pillar li::before { content: "+"; position: absolute; left: 0; color: #688a43; }
.case-collateral { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: start; gap: 5%; margin-top: 42px; }
.case-collateral figure { margin: 0; }
.case-collateral > figure > img { width: 100%; height: auto; }
.literature-mat { display: flex; justify-content: center; background: var(--case-soft); padding: 26px; }
.literature-mat img { width: 100%; max-width: 310px; height: auto; align-self: start; box-shadow: 0 8px 20px #2530200c; }
.case-commerce {
  display: grid;
  grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr);
  gap: 7%;
  align-items: center;
  padding-top: 50px;
  margin-top: 55px;
  border-top: 1px solid var(--line);
}
.case-commerce .section-index { display: block; color: #65775a; margin-bottom: 21px; }
.case-commerce h3 { font-size: 33px; line-height: 1.2; letter-spacing: -.03em; }
.case-commerce p { font-size: 16px; line-height: 1.8; color: var(--case-text); margin-top: 19px; }
.case-commerce .inline-arrow { font-size: 14px; line-height: 1.6; gap: 20px; margin-top: 25px; align-items: center; }
.case-commerce figure { margin: 0; }
.case-commerce figure > img { width: 100%; height: auto; border: 1px solid #d8ddcf; border-top: 0; }
.case-commerce .browser-bar { border: 1px solid #d8ddcf; }
.case-commerce .browser-bar small { font-size: 11px; }

.case-fieldwork { padding-top: 64px; padding-bottom: 70px; }
.case-fieldwork .case-section-heading { max-width: 980px; }
.case-fieldwork-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .95fr); align-items: start; gap: 7%; margin-top: 38px; }
.case-fieldwork-layout > figure { margin: 0; }
.case-fieldwork-layout > figure > img { width: 100%; height: auto; }
.case-timeline-entry { display: grid; grid-template-columns: 105px minmax(0, 1fr); gap: 20px; border-top: 1px solid var(--line); padding: 23px 0; }
.case-timeline-entry:first-child { padding-top: 0; border-top: 0; }
.case-timeline-entry:last-child { padding-bottom: 0; }
.case-timeline-entry time { font-size: 12px; line-height: 1.6; color: #637a4f; letter-spacing: .025em; padding-top: 4px; }
.case-timeline-entry h3 { font-size: 22px; line-height: 1.3; letter-spacing: -.02em; }
.case-timeline-entry p { font-size: 15px; line-height: 1.75; color: var(--case-text); margin-top: 11px; }

.case-conclusion { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: 9%; background: #e0e6d8; padding-top: 62px; padding-bottom: 68px; }
.case-conclusion > div > .section-index { display: block; color: #65775a; margin-bottom: 22px; }
.case-conclusion > div > p { font-size: 17px; line-height: 1.8; color: var(--case-text); margin-top: 24px; }
.case-conclusion .inline-arrow { font-size: 14px; line-height: 1.6; gap: 20px; margin-top: 28px; }
.case-relationship { align-self: start; padding-top: 20px; border-top: 1px solid #88977a; }
.case-relationship h3 { font-size: 13px; letter-spacing: .045em; line-height: 1.5; }
.case-relationship p { font-size: 15px; line-height: 1.8; color: var(--case-text); margin-top: 16px; }

body[data-page="ayunche"][data-lang="zh"] .case-study-hero h1 { font-size: clamp(36px, 3.2vw, 45px); line-height: 1.4; letter-spacing: -.035em; }
body[data-page="ayunche"][data-lang="zh"] .case-section-heading h2,
body[data-page="ayunche"][data-lang="zh"] .case-conclusion h2 { font-size: 36px; line-height: 1.5; letter-spacing: -.025em; }
body[data-page="ayunche"][data-lang="zh"] .case-delivery-title { font-size: 32px; line-height: 1.5; }
body[data-page="ayunche"][data-lang="zh"] .case-pillar h3 { font-size: 24px; line-height: 1.5; }
body[data-page="ayunche"][data-lang="zh"] .case-commerce h3 { font-size: 29px; line-height: 1.5; }
body[data-page="ayunche"][data-lang="zh"] .case-timeline-entry h3 { font-size: 21px; line-height: 1.5; }

@media (max-width: 1040px) {
  .case-study-heading { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 5%; }
  body[data-page="ayunche"] .case-study-hero h1 { font-size: 45px; }
  .case-study-intro { font-size: 16px; }
  .case-results > div { padding-inline: 22px; }
  .dual-market, .case-pillar { gap: 5%; }
  .case-pillar h3 { font-size: 23px; }
  .case-fieldwork-layout { gap: 5%; }
  .case-timeline-entry { grid-template-columns: 88px minmax(0, 1fr); gap: 16px; }
  .case-timeline-entry time { font-size: 11px; }
  .case-timeline-entry h3 { font-size: 20px; }
  .case-conclusion { gap: 6%; }
}

@media (max-width: 760px) {
  .case-study-hero, .case-build, .case-fieldwork, .case-conclusion { padding-inline: var(--pad); }
  .case-study-hero { padding-top: 25px; padding-bottom: 43px; }
  .case-study-hero .back-link { margin-bottom: 28px; font-size: 12px; }
  .case-study-topline { display: block; padding-bottom: 18px; }
  .case-study-topline .section-index { display: block; font-size: 10px; letter-spacing: .07em; }
  .case-status { display: block; margin-top: 10px; font-size: 12px; }
  .case-study-heading { display: block; margin: 27px 0 28px; }
  .case-brand-name { font-size: 29px; margin-bottom: 20px; }
  body[data-page="ayunche"] .case-study-hero h1 { font-size: clamp(34px, 8.7vw, 50px); line-height: 1.14; letter-spacing: -.04em; }
  .case-study-intro { font-size: 15px; line-height: 1.8; margin-top: 23px; max-width: 100%; }
  body[data-page="ayunche"] figcaption { font-size: 12px; line-height: 1.7; margin-top: 11px; }
  .case-results { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); margin-top: 25px; padding: 0; }
  .case-results > div { padding: 22px 17px; }
  .case-results > div:first-child { display: flex; align-items: center; justify-content: space-between; gap: 18px; grid-column: 1 / -1; border-bottom: 1px solid var(--line); padding: 20px 0; }
  .case-results > div:first-child strong { font-size: 33px; padding: 0; flex-shrink: 0; }
  .case-results > div:first-child p { margin: 0; max-width: 140px; }
  .case-results > div:nth-child(2) { padding-left: 0; border-left: 0; }
  .case-results strong { font-size: 45px; }
  .case-results p { font-size: 13px; margin-top: 11px; line-height: 1.6; }
  .case-source-note { font-size: 12px; line-height: 1.7; margin-top: 17px; }
  .case-build { padding-top: 40px; padding-bottom: 43px; }
  .case-section-heading > .section-index { font-size: 10px; line-height: 1.6; margin-bottom: 19px; }
  body[data-page="ayunche"] .case-section-heading h2,
  body[data-page="ayunche"] .case-conclusion h2 { font-size: 31px; line-height: 1.23; letter-spacing: -.03em; }
  .case-section-heading > p { font-size: 15px; line-height: 1.85; margin-top: 20px; }
  .dual-market { grid-template-columns: 1fr; gap: 30px; margin-top: 30px; }
  .dual-market-copy h3 { font-size: 16px; line-height: 1.5; }
  .dual-market-copy p { font-size: 15px; margin-top: 11px; line-height: 1.8; }
  .dual-market-copy article + article { padding-top: 23px; margin-top: 23px; }
  .case-materials > div { gap: 16px; }
  .case-materials img { width: calc((100% - 16px) / 2); }
  body[data-page="ayunche"] .case-delivery-title { font-size: 29px; line-height: 1.25; margin: 43px 0 24px; }
  .case-pillar { display: block; padding: 25px 0; }
  .case-pillar h3 { font-size: 23px; line-height: 1.35; max-width: 100%; }
  .case-pillar h3::before { font-size: 11px; margin-bottom: 12px; }
  .case-pillar > p { margin-top: 17px; font-size: 15px; line-height: 1.8; }
  .case-pillar ul { margin-top: 16px; }
  .case-pillar li { font-size: 14px; line-height: 1.7; padding-block: 5px; }
  .case-collateral { grid-template-columns: 1fr; gap: 29px; margin-top: 26px; }
  .literature-mat { padding: 22px; }
  .literature-mat img { max-width: 260px; }
  .case-commerce { grid-template-columns: 1fr; gap: 27px; padding-top: 31px; margin-top: 36px; }
  .case-commerce .section-index { font-size: 10px; margin-bottom: 18px; }
  .case-commerce h3 { font-size: 29px; line-height: 1.25; }
  .case-commerce p { font-size: 15px; line-height: 1.8; margin-top: 17px; }
  .case-commerce .inline-arrow { font-size: 13px; margin-top: 21px; padding-top: 17px; }
  .case-commerce .inline-arrow > span:first-child { min-width: 0; }
  .case-commerce .inline-arrow > span:last-child { flex-shrink: 0; }
  .case-fieldwork { padding-top: 40px; padding-bottom: 43px; }
  .case-fieldwork-layout { grid-template-columns: 1fr; gap: 29px; margin-top: 27px; }
  .case-timeline-entry { grid-template-columns: 82px minmax(0, 1fr); gap: 16px; padding: 23px 0; }
  .case-timeline-entry time { font-size: 11px; line-height: 1.7; letter-spacing: 0; }
  .case-timeline-entry h3 { font-size: 21px; line-height: 1.35; }
  .case-timeline-entry p { font-size: 14px; line-height: 1.8; margin-top: 10px; }
  .case-conclusion { grid-template-columns: 1fr; gap: 34px; padding-top: 40px; padding-bottom: 43px; }
  .case-conclusion > div > .section-index { font-size: 10px; line-height: 1.5; margin-bottom: 19px; }
  .case-conclusion > div > p { font-size: 15px; line-height: 1.85; margin-top: 20px; }
  .case-conclusion .inline-arrow { font-size: 13px; margin-top: 23px; padding-top: 18px; }
  .case-relationship { padding-top: 18px; }
  .case-relationship h3 { font-size: 12px; }
  .case-relationship p { font-size: 14px; line-height: 1.8; margin-top: 13px; }
  body[data-page="ayunche"][data-lang="zh"] .case-study-hero h1 { font-size: clamp(28px, 7.3vw, 39px); line-height: 1.5; letter-spacing: -.035em; }
  body[data-page="ayunche"][data-lang="zh"] .case-section-heading h2,
  body[data-page="ayunche"][data-lang="zh"] .case-conclusion h2 { font-size: 28px; line-height: 1.5; }
  body[data-page="ayunche"][data-lang="zh"] .case-delivery-title { font-size: 27px; line-height: 1.5; }
  body[data-page="ayunche"][data-lang="zh"] .case-pillar h3 { font-size: 23px; line-height: 1.5; }
  body[data-page="ayunche"][data-lang="zh"] .case-commerce h3 { font-size: 26px; line-height: 1.5; }
  body[data-page="ayunche"][data-lang="zh"] .case-timeline-entry h3 { font-size: 20px; line-height: 1.5; }
}

@media (max-width: 380px) {
  .case-results > div:first-child { gap: 14px; }
  .case-results > div:first-child strong { font-size: 30px; }
  .case-results > div:first-child p { max-width: 115px; }
  .case-timeline-entry { grid-template-columns: 1fr; gap: 9px; }
  .case-timeline-entry time { padding-top: 0; }
}