/* zone-kaiyungroup.com.cn — sand-gold gallery with forest-green rails */
:root {
  --zone-sand: #f1ecdd;
  --zone-paper: #faf8f1;
  --zone-forest: #233e32;
  --zone-olive: #68754e;
  --zone-gold: #aa8751;
  --zone-rule: #c8bda4;
  --zone-max: 1380px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--zone-sand);
  color: var(--zone-forest);
  font-family: "Noto Serif CJK SC", "Songti SC", serif;
  line-height: 1.85;
}

a {
  color: inherit;
  text-underline-offset: 4px;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

figure {
  margin: 0;
}

.zone-brandhead,
.zone-nav,
.zone-main,
.zone-footer {
  width: min(calc(100% - 52px), var(--zone-max));
  margin-inline: auto;
}

.zone-brandhead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 31px 0 21px;
  border-bottom: 1px solid var(--zone-rule);
}

.zone-wordmark {
  color: var(--zone-forest);
  font: 700 24px/1 Arial, sans-serif;
  letter-spacing: .2em;
  text-decoration: none;
}

.zone-brandnote {
  margin: 0;
  color: var(--zone-olive);
  font-size: 14px;
}

.zone-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 20px;
  padding: 15px 0 18px;
  border-bottom: 1px solid var(--zone-rule);
  font: 13px/1.6 Arial, "Microsoft YaHei", sans-serif;
}

.zone-nav a {
  text-decoration: none;
  white-space: nowrap;
}

.zone-nav a:hover {
  color: var(--zone-gold);
}

.zone-main {
  padding: 29px 0 92px;
}

.zone-main > h1 {
  max-width: 1030px;
  margin: 0 0 22px;
  font-size: clamp(34px, 5.2vw, 70px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -.04em;
}

.zone-gallery-portal {
  display: grid;
  grid-template-columns: minmax(155px, .55fr) minmax(0, 1.9fr) minmax(155px, .55fr);
  align-items: start;
  gap: 25px;
  padding: 15px 0 64px;
}

.zone-portal-title {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--zone-rule);
}

.zone-portal-title h2 {
  margin: 0 0 13px;
  font-size: 27px;
  font-weight: 500;
}

.zone-portal-title p {
  margin: 0;
  color: var(--zone-olive);
  font-size: 13px;
}

.zone-brand-track {
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: var(--zone-olive);
  font-size: 13px;
}

.zone-brand-track p {
  border-top: 1px solid var(--zone-rule);
  margin: 0;
  padding-top: 9px;
}

.zone-track-image img {
  object-fit: contain;
}

.zone-gallery-center {
  background: var(--zone-paper);
  padding: 16px;
  border: 1px solid var(--zone-rule);
}

.zone-main-art img {
  object-fit: contain;
}

.zone-gallery-caption {
  margin: 20px 4px 3px;
  font-size: 17px;
  line-height: 2;
}

.zone-section-ledger {
  display: flex;
  flex-direction: column;
}

.zone-band {
  display: grid;
  grid-template-columns: minmax(170px, .48fr) minmax(0, 1.52fr);
  gap: 30px;
  padding: 36px 0 40px;
  border-top: 1px solid var(--zone-rule);
}

.zone-band > header h2 {
  margin: 0;
  color: var(--zone-gold);
  font-size: 24px;
  font-weight: 500;
}

.zone-band-inner {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.zone-band-copy {
  max-width: 920px;
  margin: 0;
  color: #33473b;
  font-size: 16px;
}

.zone-field-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.zone-field-note {
  border-top: 1px solid var(--zone-gold);
  padding-top: 12px;
}

.zone-field-note h3,
.zone-field-note p {
  margin: 0;
}

.zone-field-note h3 {
  font-size: 16px;
  font-weight: 500;
}

.zone-field-note p {
  margin-top: 8px;
  font-size: 14px;
}

.zone-news-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 30px;
}

.zone-story {
  display: grid;
  grid-template-columns: minmax(90px, .45fr) minmax(0, 1.55fr);
  align-items: start;
  gap: 17px;
  border-top: 1px solid var(--zone-rule);
  padding-top: 15px;
}

.zone-news-cover img {
  object-fit: contain;
}

.zone-story-text time {
  color: var(--zone-gold);
  font: 11px/1.4 Arial, sans-serif;
  letter-spacing: .08em;
}

.zone-story-text h3 {
  margin: 5px 0 8px;
  font-size: 19px;
  font-weight: 500;
  line-height: 1.5;
}

.zone-story-text p {
  margin: 0;
  color: #33473b;
  font-size: 14px;
}

.zone-story-link {
  display: inline-block;
  margin-top: 7px;
  color: var(--zone-olive);
  font: 12px/1.6 Arial, "Microsoft YaHei", sans-serif;
}

.zone-faq-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 25px;
}

.zone-faq-card,
.zone-faq-extra {
  border-bottom: 1px solid var(--zone-rule);
  padding: 13px 0;
}

.zone-faq-card summary,
.zone-faq-extra > summary {
  cursor: pointer;
  list-style: none;
  font-size: 15px;
}

.zone-faq-card summary::-webkit-details-marker,
.zone-faq-extra > summary::-webkit-details-marker {
  display: none;
}

.zone-faq-card summary::after,
.zone-faq-extra > summary::after {
  content: "+";
  float: right;
  color: var(--zone-gold);
}

.zone-faq-card[open] summary::after,
.zone-faq-extra[open] > summary::after {
  content: "−";
}

.zone-faq-card p {
  margin: 10px 0 0;
  color: #405248;
  font-size: 13px;
}

.zone-faq-extra {
  grid-column: 1 / -1;
}

.zone-report-desk {
  display: grid;
  grid-template-columns: minmax(220px, .55fr) minmax(0, 1.45fr);
  gap: 36px;
}

.zone-report-aside {
  align-self: start;
  position: sticky;
  top: 18px;
}

.zone-report-aside p {
  border-top: 1px solid var(--zone-rule);
  margin: 16px 0 0;
  padding-top: 15px;
  font-size: 15px;
}

.zone-report-index {
  display: flex;
  justify-content: space-between;
  color: var(--zone-gold);
  border-bottom: 1px solid var(--zone-rule);
  padding-bottom: 8px;
  font: 12px/1.4 Arial, sans-serif;
}

.zone-report-main .zone-story {
  grid-template-columns: minmax(115px, .45fr) minmax(0, 1.55fr);
  padding: 21px 0;
}

.zone-about-spread,
.zone-ledger-page,
.zone-language-page,
.zone-mobile-page {
  display: grid;
  grid-template-columns: minmax(230px, .6fr) minmax(0, 1.4fr);
  gap: 28px 45px;
}

.zone-about-copy,
.zone-ledger-intro,
.zone-language-index,
.zone-mobile-hero {
  grid-column: 1;
}

.zone-about-copy p,
.zone-ledger-intro p,
.zone-language-index p,
.zone-mobile-hero p {
  margin: 18px 0 0;
  font-size: 15px;
}

.zone-about-panels,
.zone-ledger-grid,
.zone-language-cards,
.zone-mobile-services {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 23px;
}

.zone-about-tile,
.zone-data-tile,
.zone-zh-cn-tile,
.zone-app-tile {
  border-top: 1px solid var(--zone-rule);
  padding-top: 12px;
}

.zone-about-tile h3,
.zone-data-tile h3,
.zone-zh-cn-tile h3,
.zone-app-tile h3 {
  margin: 5px 0 8px;
  font-size: 18px;
  font-weight: 500;
}

.zone-about-tile p,
.zone-data-tile p,
.zone-zh-cn-tile p,
.zone-app-tile p {
  margin: 0;
  font-size: 14px;
}

.zone-detail-reel {
  grid-column: 1 / -1;
  display: flex;
  gap: 19px;
  border-top: 1px solid var(--zone-rule);
  padding-top: 20px;
}

.zone-reel-frame {
  flex: 1 1 0;
}

.zone-ledger-intro {
  grid-row: 1 / span 2;
}

.zone-ledger-grid {
  align-content: start;
}

.zone-footer {
  display: grid;
  grid-template-columns: minmax(150px, .7fr) minmax(0, 1.3fr);
  gap: 8px 28px;
  border-top: 2px solid var(--zone-forest);
  padding: 28px 0 42px;
  font: 13px/1.8 Arial, "Microsoft YaHei", sans-serif;
}

.zone-footer-mark {
  grid-row: 1 / span 2;
  font: 700 21px/1 Arial, sans-serif;
  letter-spacing: .18em;
}

.zone-footer address {
  font-style: normal;
}

.zone-footer p {
  margin: 0;
}

.zone-footer > p:last-child {
  grid-column: 1 / -1;
}

@media (max-width: 780px) {
  .zone-brandhead,
  .zone-nav,
  .zone-main,
  .zone-footer {
    width: min(calc(100% - 28px), var(--zone-max));
  }

  .zone-brandhead {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-top: 21px;
  }

  .zone-nav {
    gap: 8px 15px;
  }

  .zone-gallery-portal {
    grid-template-columns: minmax(0, 1fr);
    gap: 15px;
  }

  .zone-portal-title {
    grid-column: 1;
    align-items: flex-start;
    flex-direction: column;
  }

  .zone-brand-track {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .zone-brand-track-left {
    order: 2;
  }

  .zone-gallery-center {
    order: 1;
  }

  .zone-brand-track-right {
    order: 3;
  }

  .zone-band {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 27px 0;
  }

  .zone-field-notes,
  .zone-news-columns,
  .zone-faq-matrix,
  .zone-about-panels,
  .zone-ledger-grid,
  .zone-language-cards,
  .zone-mobile-services {
    grid-template-columns: minmax(0, 1fr);
  }

  .zone-report-desk,
  .zone-about-spread,
  .zone-ledger-page,
  .zone-language-page,
  .zone-mobile-page {
    grid-template-columns: minmax(0, 1fr);
    gap: 23px;
  }

  .zone-report-aside {
    position: static;
  }

  .zone-about-copy,
  .zone-ledger-intro,
  .zone-language-index,
  .zone-mobile-hero,
  .zone-about-panels,
  .zone-ledger-grid,
  .zone-language-cards,
  .zone-mobile-services {
    grid-column: 1;
    grid-row: auto;
  }

  .zone-story,
  .zone-report-main .zone-story {
    grid-template-columns: minmax(90px, .45fr) minmax(0, 1.55fr);
  }

  .zone-detail-reel {
    overflow-x: auto;
  }

  .zone-reel-frame {
    min-width: 40%;
  }

  .zone-footer {
    grid-template-columns: minmax(0, 1fr);
  }

  .zone-footer-mark {
    grid-row: auto;
  }

  .zone-footer > p:last-child {
    grid-column: 1;
  }
}

/* Homepage repair: central gallery with separate editorial bands */
.zone-gallery-portal { display: grid; grid-template-columns: minmax(140px, .72fr) minmax(0, 2.2fr) minmax(140px, .72fr); gap: clamp(16px, 2vw, 30px); align-items: center; }
.zone-gallery-portal > .zone-portal-title { grid-column: 1 / -1; text-align: center; }
.zone-gallery-portal .zone-gallery-center { grid-column: 2; grid-row: 2 / span 2; }
.zone-section-ledger { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.zone-section-ledger > .zone-band { grid-column: span 3; border-top: 1px solid currentColor; padding-top: 22px; }
.zone-section-ledger > .zone-news-band, .zone-section-ledger > .zone-faq-band { grid-column: 1 / -1; }
.zone-section-ledger > .zone-band-brands { grid-column: 2 / span 4; }
.zone-section-ledger > .zone-band-vision { grid-column: 1 / span 4; }
@media (max-width: 760px) { .zone-gallery-portal { display: block; } .zone-section-ledger { display: block; } }

/* FAQ repair layout */
.zone-kaiyungroup-com-cn-faq-list { display:grid; grid-template-columns:1fr; gap:0; } .zone-kaiyungroup-com-cn-faq-entry { border-left:3px solid #9f8b56; margin:10px 0; padding:12px 20px; } .zone-home-visual { margin:24px 0; max-width:300px; }
@media (max-width: 760px) { .zone-kaiyungroup-com-cn-faq-list { grid-template-columns:1fr; } }