/* ============================================================
   海外中文 · 视觉专题设计 · 交互式案例页
   基于 styles.css（共享导航 / 按钮），本文件全部作用域在 .overseas-case 下
   ============================================================ */

.overseas-case {
  --ov-ink: #4a1f0c;
  --ov-brown: #8a3d14;
  --ov-text: #6a5446;
  --ov-muted: #9a8574;
  --ov-red: #c8361b;
  --ov-gold: #c98a2e;
  --ov-gold-soft: #f3cf8a;
  --ov-cream: #fff4e4;
  --ov-paper: #fffcf7;
  --ov-line: #f0e0ca;
  --ov-shadow: 0 22px 50px -34px rgba(110, 50, 14, .5);
  --ov-serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", serif;
  background:
    radial-gradient(1100px 620px at 90% -8%, #fde0bd 0%, rgba(253, 224, 189, 0) 70%),
    radial-gradient(900px 600px at -10% 20%, #fff0d6 0%, rgba(255, 240, 214, 0) 70%),
    var(--ov-paper);
  color: var(--ov-text);
  font-family: var(--font-sans);
}
.overseas-case ::selection { background: #f7d2a8; color: var(--ov-ink); }

/* ---------- shell & shared ---------- */
.overseas-case .ov-shell { position: relative; isolation: isolate; width: min(var(--detail-width), calc(100% - 40px)); padding-bottom: 96px; }
.overseas-case .ov-section { position: relative; padding: 112px 0; scroll-margin-top: 72px; }
.overseas-case .ov-section--tint::before {
  content: '';
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -1;
  background: linear-gradient(180deg, rgba(255, 238, 214, .8), rgba(255, 246, 232, .8));
}
.overseas-case .ov-head { max-width: 760px; margin-bottom: 44px; }
.overseas-case .ov-kicker { margin-bottom: 14px; color: var(--ov-gold); font-family: var(--jakarta); font-size: var(--fs-small); font-weight: 700; letter-spacing: .16em; }
.overseas-case .ov-head h2 { color: var(--ov-ink); font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 700; letter-spacing: -.01em; line-height: 1.22; }
.overseas-case .ov-note { margin-top: 18px; color: var(--ov-text); font-size: var(--fs-lead); line-height: 1.85; }
.overseas-case b { color: var(--ov-ink); font-weight: 700; }
.overseas-case img { height: auto; }

/* 复用 .ui-segmented__item 的按钮：先清掉共享样式（:where 不增加权重，后面的组件规则可以正常覆盖） */
.overseas-case :where(.ov-card, .ov-board, .ov-cover-btn, .ov-d-pager-btn, .ov-d-color, .ov-d-sec) {
  min-height: 0;
  padding: 0;
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  text-align: left;
}
.overseas-case .ov-card:focus-visible,
.overseas-case .ov-board:focus-visible,
.overseas-case .ov-cover-btn:focus-visible,
.overseas-case .ov-phone-scroll:focus-visible { outline: 3px solid rgba(200, 54, 27, .35); outline-offset: 3px; }

/* progress */
.ov-progress { position: fixed; top: 0; left: 0; right: 0; z-index: 120; height: 3px; pointer-events: none; }
.ov-progress i { display: block; height: 100%; background: linear-gradient(90deg, #c8361b, #e9a23b); transform: scaleX(0); transform-origin: 0 50%; }

/* reveal */
.js .overseas-case .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.22, 1, .36, 1); }
.js .overseas-case .reveal.is-in { opacity: 1; transform: none; }

/* ---------- hero ---------- */
.overseas-case .ov-hero { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 48px; align-items: center; padding: 48px 0 40px; scroll-margin-top: 100px; }
.overseas-case .ov-hero h1 { margin: 22px 0; color: var(--ov-ink); font-family: var(--font-display); font-size: var(--fs-h1); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.overseas-case .ov-hero h1 .ov-nowrap { white-space: nowrap; }
.overseas-case .ov-hero h1 small {
  display: block;
  margin-bottom: 12px;
  background: linear-gradient(90deg, #c8361b, #e39a2f);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--jakarta);
  font-size: var(--fs-card-title);
  font-weight: 700;
  letter-spacing: .06em;
}
.overseas-case .project-detail-meta span { color: var(--ov-gold); }
.overseas-case .ov-hero-lead { max-width: 560px; color: var(--ov-text); font-size: var(--fs-lead); line-height: 1.9; }
.overseas-case .project-detail-tags li { background: #fbead4; color: #93623a; }
.overseas-case .ov-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  max-width: 520px;
  margin-top: 40px;
  overflow: hidden;
  border: 1px solid var(--ov-line);
  border-radius: var(--radius);
  background: var(--ov-line);
}
.overseas-case .ov-facts div { padding: 14px 18px; background: rgba(255, 252, 247, .92); }
.overseas-case .ov-facts dt { color: var(--ov-muted); font-size: var(--fs-small); }
.overseas-case .ov-facts dd { margin-top: 4px; color: var(--ov-ink); font-size: var(--fs-body); font-weight: 500; }
.overseas-case .ov-facts dd b { color: var(--ov-red); }

.overseas-case .project-detail-cover.ov-cover { position: relative; display: grid; gap: 14px; overflow: visible; aspect-ratio: auto; border-radius: 0; background: none; box-shadow: none; }
.overseas-case .ov-cover-btn { display: block; width: 100%; overflow: hidden; border-radius: var(--radius); background: #fde9d2; box-shadow: var(--ov-shadow); cursor: zoom-in; transition: transform .25s ease; }
.overseas-case .ov-cover-btn:hover { transform: translateY(-3px); }
.overseas-case .ov-cover-btn img { display: block; width: 100%; height: auto; }
.overseas-case .ov-cover figcaption { color: var(--ov-muted); font-size: var(--fs-small); text-align: center; letter-spacing: .04em; }

/* ---------- background: pain → goal ---------- */
.overseas-case .ov-shift { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; list-style: none; counter-reset: shift; }
.overseas-case .ov-shift li { position: relative; display: grid; align-content: start; gap: 10px; padding: 26px 22px 24px; border: 1px solid var(--ov-line); border-radius: var(--radius); background: rgba(255, 255, 255, .72); counter-increment: shift; }
.overseas-case .ov-shift li::before { content: '0' counter(shift); color: var(--ov-gold); font-family: var(--jakarta); font-size: var(--fs-small); font-weight: 800; letter-spacing: .1em; }
.overseas-case .ov-shift-from { width: max-content; color: var(--ov-muted); font-size: var(--fs-small); text-decoration: line-through; text-decoration-color: rgba(200, 54, 27, .5); }
.overseas-case .ov-shift-to { color: var(--ov-ink); font-family: var(--font-display); font-size: var(--fs-card-title); font-weight: 700; line-height: 1.35; }
.overseas-case .ov-shift p { color: var(--ov-text); font-size: var(--fs-small); line-height: 1.75; }

/* ---------- topics: filter + cards ---------- */
.overseas-case .ov-filter { flex-wrap: wrap; margin-bottom: 28px; border-color: var(--ov-line); background: rgba(255, 255, 255, .7); }
.overseas-case .ov-filter .ui-segmented__item { display: inline-flex; align-items: center; gap: 6px; }
.overseas-case .ov-filter .ui-segmented__item small { color: inherit; font-family: var(--jakarta); font-size: var(--fs-caption); font-weight: 700; opacity: .55; }
.overseas-case .ov-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; list-style: none; }
.overseas-case .ov-card-item[hidden] { display: none; }
.overseas-case .ov-card-item.is-entering { animation: ov-pop .35s ease both; }
.overseas-case .ov-card {
  display: grid;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--ov-line);
  border-radius: var(--radius);
  background: #fff;
  text-decoration: none;
  transition: transform .25s cubic-bezier(.22, 1, .36, 1), box-shadow .25s ease, border-color .25s ease;
}
.overseas-case .ov-card:hover { border-color: #ecc69a; box-shadow: var(--ov-shadow); transform: translateY(-6px); }
.overseas-case .ov-card-media { position: relative; display: block; aspect-ratio: 4 / 5; overflow: hidden; background: var(--tone, #f6ead8); }
.overseas-case .ov-card-media img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .6s cubic-bezier(.22, 1, .36, 1); }
.overseas-case .ov-card:hover .ov-card-media img { transform: scale(1.04); }
.overseas-case .ov-card.is-partial .ov-card-media img { object-fit: contain; object-position: center; }
.overseas-case .ov-card-flag { position: absolute; top: 10px; left: 10px; padding: 4px 10px; border-radius: 999px; background: var(--ov-red); color: #fff; font-size: var(--fs-caption); font-weight: 700; box-shadow: 0 6px 14px -8px rgba(120, 30, 10, .7); }
.overseas-case .ov-card-flag--muted { background: rgba(74, 31, 12, .72); }
.overseas-case .ov-card-body { display: grid; align-content: start; gap: 6px; padding: 16px 16px 18px; }
.overseas-case .ov-card-meta { display: flex; gap: 10px; color: var(--ov-muted); font-size: var(--fs-caption); }
.overseas-case .ov-card-meta span:first-child { color: var(--ov-gold); font-family: var(--jakarta); font-weight: 800; }
.overseas-case .ov-card strong { color: var(--ov-ink); font-family: var(--font-display); font-size: var(--fs-lead); font-weight: 700; line-height: 1.35; }
.overseas-case .ov-card-slogan { overflow: hidden; color: var(--ov-text); font-size: var(--fs-small); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.overseas-case .ov-card-more { display: inline-flex; align-items: center; gap: 2px; margin-top: 6px; color: var(--ov-red); font-size: var(--fs-small); font-weight: 700; }
.overseas-case .ov-card-more .iconfont { font-size: 14px; transition: transform .2s ease; }
.overseas-case .ov-card:hover .ov-card-more .iconfont { transform: translateX(3px); }

/* ---------- skeleton ---------- */
.overseas-case .ov-skeleton { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; list-style: none; counter-reset: sk; }
.overseas-case .ov-skeleton li { position: relative; display: grid; align-content: start; gap: 8px; padding: 20px 16px; border-radius: var(--radius); background: #fff; border: 1px solid var(--ov-line); counter-increment: sk; }
.overseas-case .ov-skeleton li::before { content: counter(sk); display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg, #e14a2a, #c8361b); color: #fff; font-family: var(--jakarta); font-size: var(--fs-caption); font-weight: 800; }
.overseas-case .ov-skeleton li:not(:last-child)::after { content: ''; position: absolute; top: 32px; right: -10px; width: 10px; height: 2px; background: #ecc69a; }
.overseas-case .ov-skeleton b { font-size: var(--fs-body); line-height: 1.4; }
.overseas-case .ov-skeleton span { color: var(--ov-text); font-size: var(--fs-small); line-height: 1.65; }

/* ---------- components ---------- */
.overseas-case .ov-comp { padding: 28px; border: 1px solid var(--ov-line); border-radius: var(--radius); background: rgba(255, 255, 255, .78); }
.overseas-case .ov-comp-tabs { margin-bottom: 24px; border-color: var(--ov-line); }
.overseas-case .ov-comp-tabs .ui-segmented__item[aria-selected="true"] { background: var(--control-solid-bg); color: var(--control-solid-fg); }
.overseas-case .ov-comp-intro { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; margin-bottom: 24px; }
.overseas-case .ov-comp-intro p { max-width: 520px; color: var(--ov-text); font-size: var(--fs-body); line-height: 1.8; }
.overseas-case .ov-comp-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.overseas-case .ov-comp-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; list-style: none; }
.overseas-case .ov-comp-card { display: grid; grid-template-rows: auto 1fr; overflow: hidden; border: 1px solid var(--ov-line); border-radius: var(--radius); background: #fff; }
.overseas-case .ov-comp-card figure { display: grid; place-items: center; height: 220px; margin: 0; padding: 20px; background: linear-gradient(160deg, #fff6ea, #fde6c9); }
.overseas-case .ov-comp-card figure img { max-width: 100%; max-height: 180px; width: auto; height: auto; object-fit: contain; border-radius: var(--radius-sm); }
.overseas-case .ov-comp-card div { padding: 18px 20px 22px; }
.overseas-case .ov-comp-card h4 { margin-bottom: 8px; color: var(--ov-ink); font-family: var(--font-display); font-size: var(--fs-lead); font-weight: 700; }
.overseas-case .ov-comp-card p { color: var(--ov-text); font-size: var(--fs-small); line-height: 1.75; }

/* ---------- boards ---------- */
.overseas-case .project-detail-gallery { border-top: 0; }
.overseas-case .ov-boards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; list-style: none; }
.overseas-case .ov-board { display: grid; width: 100%; overflow: hidden; border: 1px solid var(--ov-line); border-radius: var(--radius); background: #fff; cursor: zoom-in; transition: transform .2s, box-shadow .2s; }
.overseas-case .ov-board:hover { box-shadow: var(--ov-shadow); transform: translateY(-4px); }
.overseas-case .ov-board img { width: 100%; aspect-ratio: 6 / 5; object-fit: cover; object-position: top center; }
.overseas-case .ov-board > span { display: grid; gap: 2px; padding: 14px 16px; }
.overseas-case .ov-board strong { color: var(--ov-ink); font-size: var(--fs-body); font-weight: 500; }
.overseas-case .ov-board small { color: var(--ov-muted); font-family: var(--jakarta); font-size: var(--fs-small); }
.overseas-case .project-detail-end { margin-top: 24px; }

/* ============================================================
   专题详情（全屏 dialog）
   ============================================================ */
.ov-detail {
  width: 100vw;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  background:
    radial-gradient(900px 520px at 85% -10%, #fde0bd 0%, rgba(253, 224, 189, 0) 70%),
    var(--ov-paper);
  color: var(--ov-text);
}
.ov-detail::backdrop { background: rgba(40, 16, 6, .5); }
.ov-detail[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); animation: ov-enter .35s cubic-bezier(.22, 1, .36, 1); }
.ov-detail.is-swapping .ov-d-grid { animation: ov-swap .35s ease; }
.ov-d-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px max(20px, calc((100vw - 1080px) / 2));
  border-bottom: 1px solid var(--ov-line);
  background: rgba(255, 252, 247, .88);
  backdrop-filter: blur(10px);
}
.ov-d-nav { display: flex; align-items: center; gap: 12px; color: var(--ov-muted); font-family: var(--jakarta); font-size: var(--fs-small); font-variant-numeric: tabular-nums; }
.ov-d-nav .ui-icon-button { width: 42px; height: 42px; }
.ov-d-body { overflow-y: auto; overscroll-behavior: contain; padding: 40px max(20px, calc((100vw - 1080px) / 2)) 56px; }
.ov-d-grid { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 56px; align-items: start; }

.ov-d-phone-col { position: sticky; top: 0; display: grid; justify-items: center; gap: 12px; }
.ov-phone { position: relative; width: 340px; height: min(700px, calc(100dvh - 190px)); min-height: 420px; overflow: hidden; border: 8px solid #fff; border-radius: 34px; background: #f4e8d6; box-shadow: 0 30px 60px -36px rgba(90, 40, 10, .55), 0 0 0 1px var(--ov-line); }
.ov-phone-scroll { height: 100%; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: none; }
.ov-phone-scroll::-webkit-scrollbar { display: none; }
.ov-phone-scroll img { display: block; width: 100%; height: auto; }
.ov-detail.is-short .ov-phone { height: auto; min-height: 0; }
.ov-phone-meter { position: absolute; top: 18px; right: 4px; bottom: 18px; width: 3px; border-radius: 3px; background: rgba(74, 31, 12, .12); pointer-events: none; }
.ov-phone-meter i { display: block; width: 100%; height: 18%; border-radius: 3px; background: var(--ov-red); }
.ov-detail.is-short .ov-phone-meter { display: none; }
.ov-d-hint { color: var(--ov-muted); font-size: var(--fs-small); text-align: center; }

.ov-d-info { min-width: 0; padding-top: 4px; }
.ov-d-kicker { color: var(--ov-gold); font-family: var(--jakarta); font-size: var(--fs-small); font-weight: 700; letter-spacing: .12em; }
.ov-d-info h2 { margin-top: 12px; color: var(--ov-ink); font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 800; line-height: 1.2; }
.ov-d-slogan { margin-top: 12px; color: var(--ov-brown); font-family: var(--ov-serif); font-size: var(--fs-card-title); font-weight: 600; letter-spacing: .04em; }
.ov-d-desc { margin-top: 20px; color: var(--ov-text); font-size: var(--fs-lead); line-height: 1.9; }
.ov-d-info h3 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin: 36px 0 14px; color: var(--ov-ink); font-family: var(--font-display); font-size: var(--fs-lead); font-weight: 700; }
.ov-d-info h3 span { color: var(--ov-muted); font-family: var(--font-sans); font-size: var(--fs-small); font-weight: 400; }

.ov-d-sections { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; counter-reset: sec; }
.ov-d-sec { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px 8px 8px; border: 1px solid var(--ov-line); border-radius: 999px; background: #fff; color: var(--ov-text); font-size: var(--fs-small); counter-increment: sec; transition: background-color .2s, border-color .2s, color .2s; }
.ov-d-sec::before { content: counter(sec); display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: #fbead4; color: var(--ov-brown); font-family: var(--jakarta); font-size: var(--fs-caption); font-weight: 800; }
.ov-d-sec:hover { border-color: #ecc69a; }
.ov-d-sec[aria-current="true"] { border-color: var(--ov-red); background: var(--ov-red); color: #fff; }
.ov-d-sec[aria-current="true"]::before { background: #fff; color: var(--ov-red); }

.ov-d-points { display: grid; gap: 10px; list-style: none; }
.ov-d-points li { position: relative; padding-left: 22px; color: var(--ov-text); font-size: var(--fs-body); line-height: 1.75; }
.ov-d-points li::before { content: ''; position: absolute; top: .62em; left: 2px; width: 8px; height: 8px; border-radius: 2px; background: var(--ov-gold); transform: rotate(45deg); }

.ov-d-colors { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; list-style: none; }
.ov-d-color { display: grid; width: 100%; overflow: hidden; border: 1px solid var(--ov-line); border-radius: var(--radius-sm); background: #fff; transition: transform .2s; }
.ov-d-color:hover { transform: translateY(-2px); }
.ov-d-color i { display: block; height: 56px; background: var(--c); }
.ov-d-color span { display: grid; gap: 2px; padding: 8px 10px 10px; }
.ov-d-color strong { color: var(--ov-ink); font-size: var(--fs-caption); font-weight: 500; }
.ov-d-color code { color: var(--ov-muted); font-family: var(--jakarta); font-size: var(--fs-caption); }
.ov-d-color.is-copied code { color: var(--ov-red); }

.ov-d-comp { margin-top: 4px; }
.ov-d-comp[hidden] { display: none; }
.ov-d-comp-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; list-style: none; }
.ov-d-comp-grid li { display: grid; grid-template-rows: 120px auto; overflow: hidden; border: 1px solid var(--ov-line); border-radius: var(--radius-sm); background: #fff; }
.ov-d-comp-grid figure { display: grid; place-items: center; margin: 0; padding: 12px; background: linear-gradient(160deg, #fff6ea, #fde6c9); }
.ov-d-comp-grid img { max-width: 100%; max-height: 96px; width: auto; height: auto; object-fit: contain; }
.ov-d-comp-grid span { padding: 8px 12px 10px; color: var(--ov-ink); font-size: var(--fs-small); font-weight: 500; }

.ov-d-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--ov-line); }
.ov-d-pager-btn { display: grid; gap: 4px; padding: 18px 22px; border: 1px solid var(--ov-line); border-radius: var(--radius); background: #fff; transition: border-color .2s, box-shadow .2s, transform .2s; }
.ov-d-pager-btn:hover { border-color: #ecc69a; box-shadow: var(--ov-shadow); transform: translateY(-2px); }
.ov-d-pager-btn--next { text-align: right; }
.ov-d-pager-btn small { color: var(--ov-muted); font-size: var(--fs-small); }
.ov-d-pager-btn strong { color: var(--ov-ink); font-family: var(--font-display); font-size: var(--fs-lead); font-weight: 700; }

/* lightbox */
.ov-lightbox { width: min(1180px, calc(100vw - 32px)); max-width: none; height: calc(100dvh - 32px); max-height: none; margin: auto; padding: 0; overflow: hidden; border: 0; border-radius: var(--radius); background: #22100a; color: #fff; }
.ov-lightbox::backdrop { background: rgba(24, 8, 2, .72); backdrop-filter: blur(4px); }
.ov-lightbox[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); }
.ov-lb-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px 12px 22px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.ov-lb-bar p { overflow: hidden; font-size: var(--fs-body); font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
.ov-lb-actions { display: flex; gap: 8px; }
.ov-lb-actions .ui-icon-button { width: 42px; height: 42px; background: rgba(255, 255, 255, .1); color: #fff; }
.ov-lb-actions .ui-icon-button:hover { background: rgba(255, 255, 255, .2); }
.ov-lb-actions .ui-icon-button[aria-pressed="true"] { background: #c8361b; }
.ov-lb-body { position: relative; overflow: auto; overscroll-behavior: contain; }
.ov-lb-body img { display: block; width: 100%; max-width: none; height: auto; margin: 0 auto; }
.ov-lb-body.is-zoomed img { width: auto; }
.ov-lb-loading { position: absolute; top: 40px; left: 0; right: 0; color: rgba(255, 255, 255, .6); font-size: var(--fs-body); text-align: center; }
.ov-lb-body.is-loaded .ov-lb-loading { display: none; }

/* toast */
.ov-toast { position: fixed; bottom: 28px; left: 50%; z-index: 2147483647; padding: 10px 18px; border-radius: 999px; background: #3a170a; color: #fff; font-size: var(--fs-body); opacity: 0; transform: translate(-50%, 10px); transition: opacity .2s, transform .2s; pointer-events: none; }
.ov-toast.is-on { opacity: 1; transform: translate(-50%, 0); }

html.ov-locked { overflow: hidden; }

@keyframes ov-pop { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes ov-enter { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes ov-swap { from { opacity: .2; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- responsive ---------- */
@media (max-width: 1320px) {
  .ov-rail { display: none; }
}
@media (max-width: 1020px) {
  .overseas-case .ov-hero { grid-template-columns: 1fr; gap: 40px; }
  .overseas-case .ov-shift { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .overseas-case .ov-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .overseas-case .ov-skeleton { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .overseas-case .ov-skeleton li::after { display: none; }
  .overseas-case .ov-boards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ov-d-grid { grid-template-columns: 300px minmax(0, 1fr); gap: 36px; }
  .ov-phone { width: 300px; }
}
@media (max-width: 767px) {
  .overseas-case .ov-shell { width: 100%; padding: 104px 16px 64px; }
  .overseas-case .ov-section { padding: 72px 0; }
  .overseas-case .ov-head { margin-bottom: 28px; }
  .overseas-case .ov-hero { padding-top: 28px; }
  .overseas-case .ov-shift { grid-template-columns: 1fr; }
  .overseas-case .ov-filter { display: flex; width: 100%; }
  .overseas-case .ov-filter .ui-segmented__item { flex: 1 1 auto; justify-content: center; padding: 0 10px; font-size: var(--fs-small); }
  .overseas-case .ov-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .overseas-case .ov-card-body { padding: 12px 12px 14px; }
  .overseas-case .ov-card strong { font-size: var(--fs-body); }
  .overseas-case .ov-card-flag { top: 8px; left: 8px; padding: 3px 8px; }
  .overseas-case .ov-skeleton { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .overseas-case .ov-comp { padding: 16px; }
  .overseas-case .ov-comp-tabs { display: flex; width: 100%; }
  .overseas-case .ov-comp-tabs .ui-segmented__item { flex: 1 1 auto; padding: 0 10px; font-size: var(--fs-small); }
  .overseas-case .ov-comp-grid { grid-template-columns: 1fr; }
  .overseas-case .ov-comp-card figure { height: 180px; }
  .overseas-case .ov-boards { grid-template-columns: 1fr 1fr; gap: 10px; }

  .ov-d-bar { padding: 10px 12px; }
  .ov-d-bar .ui-button { padding-inline: 14px; }
  .ov-d-nav { gap: 8px; }
  .ov-d-nav .ui-icon-button { width: 38px; height: 38px; }
  .ov-d-body { padding: 24px 16px 40px; }
  .ov-d-grid { grid-template-columns: 1fr; gap: 28px; }
  .ov-d-phone-col { position: relative; }
  .ov-phone { width: min(300px, 100%); height: min(560px, 72dvh); border-radius: 30px; }
  .ov-d-colors { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ov-d-pager { grid-template-columns: 1fr; }
  .ov-d-pager-btn--next { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  .ov-detail[open], .ov-detail.is-swapping .ov-d-grid, .overseas-case .ov-card-item.is-entering { animation: none; }
}

/* ============================================================
   海外中文页（.overseas-zh-case）专属调整 · 2026-10-08
   英文页共用本文件，以下规则只作用于中文页
   ============================================================ */

/* 专题筛选：与作品集页一致的下划线文字 Tab */
.overseas-zh-case .ov-filter.ui-segmented {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  gap: 28px;
  margin-bottom: 32px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: inset 0 -1px 0 var(--ov-line);
}
.overseas-zh-case .ov-filter .ui-segmented__item {
  position: relative;
  min-height: 0;
  padding: 0 0 12px;
  border-radius: 0;
  background: none;
  box-shadow: none;
  color: var(--ov-muted);
  font-family: var(--font-display);
  font-size: var(--fs-lead);
  font-weight: 500;
}
.overseas-zh-case .ov-filter .ui-segmented__item:hover { color: var(--ov-ink); transform: none; }
.overseas-zh-case .ov-filter .ui-segmented__item.active { background: none; box-shadow: none; color: var(--ov-ink); font-weight: 700; }
.overseas-zh-case .ov-filter .ui-segmented__item::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--ov-ink);
  transform: scaleX(0);
  transition: transform .25s cubic-bezier(.22, 1, .36, 1);
}
.overseas-zh-case .ov-filter .ui-segmented__item.active::after { transform: scaleX(1); }
.overseas-zh-case .ov-filter .ui-segmented__item:focus-visible { outline: 2px solid rgba(74, 31, 12, .3); outline-offset: 4px; }

/* 去掉序号 */
.overseas-zh-case .ov-shift li::before { content: none; }
.overseas-zh-case .ov-d-sec { padding: 8px 14px; }
.overseas-zh-case .ov-d-sec::before { content: none; }
.overseas-zh-case #ov-d-count { display: none; }

/* 「返回专题列表」：无底色的文字按钮 */
.overseas-zh-case #ov-d-back.ui-button {
  padding-inline: 0;
  border-color: transparent;
  background: none;
  box-shadow: none;
  color: var(--ov-ink);
}
.overseas-zh-case #ov-d-back.ui-button:hover { background: none; color: var(--ov-red); }

@media (max-width: 767px) {
  .overseas-zh-case .ov-filter.ui-segmented { gap: 20px; }
  .overseas-zh-case .ov-filter .ui-segmented__item { flex: 0 0 auto; padding: 0 0 10px; font-size: var(--fs-body); }
}