/* Device controls belong to the studio; platform layouts use native reading patterns. */
.work-body { grid-template-columns: 220px minmax(0, 1fr); }
.preview-workspace { min-width: 0; min-height: 0; display: flex; flex-direction: column; }
.preview-workspace:not([data-device="poster"]) { overflow: hidden; border: 2px solid #cfc7b7; border-radius: 16px; background: #eae6dc; box-shadow: 0 5px 20px #25241f06; }
.preview-toolbar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; flex: 0 0 auto; min-height: 64px; padding: 10px 20px; border-bottom: 1.5px solid var(--border-line); background: #f3f0e8; }
.preview-label { font-size: 13px; font-weight: 600; color: var(--text-main); }
.preview-devices { display: flex; gap: 4px; padding: 4px; border: 1.5px solid #c9c1b0; border-radius: 10px; background: #e8e3d8; }
.preview-devices button { display: flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 6px; font-size: 13px; font-weight: 600; color: var(--text-muted); }
.preview-devices button:hover { color: var(--text-main); }
.preview-devices button[aria-pressed="true"] { color: var(--text-main); background: var(--bg-surface); box-shadow: 0 1px 3px #25241f12; }
.preview-devices .icon { width: 17px; height: 17px; }
.preview-device-caption { justify-self: end; font-size: 12px; color: var(--text-muted); white-space: nowrap; }
.preview-workspace .preview-backdrop { flex: 1; min-width: 0; }
.preview-workspace:not([data-device="poster"]) .preview-backdrop { border: 0; border-radius: 0; }
.preview-workspace[data-device="desktop"] .preview-backdrop { padding: 22px; background: #eae6dc; }
.preview-stage[data-device="desktop"] { min-width: 740px; height: 100%; min-height: 320px; }
.pv-desktop { width: 100%; height: 100%; min-height: 320px; min-width: 0; border: 1.5px solid #d6d1c6; border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; text-align: left; background: #fff; color: #333; font-family: var(--font-sans); }
.pv-windowbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 43px; padding: 0 16px; flex-shrink: 0; background: #fafafa; border-bottom: 1px solid #ededed; font-size: 12px; }
.pv-window-title { display: inline-flex; align-items: center; gap: 8px; }
.pv-window-title .icon { width: 16px; height: 16px; color: #2a7e58; }
.pv-window-controls { display: flex; align-items: center; gap: 20px; color: #777; }
.pv-window-controls .icon { width: 13px; height: 13px; }

/* Xiaohongshu desktop detail: media on the left, independently scrolling copy on the right. */
.pv-desktop.pv-xhs { --xhs-red: #ff2442; --xhs-red-tint: #fff0f3; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr); grid-template-rows: auto minmax(0, 1fr) auto; }
.pv-desktop.pv-xhs .xhs-head { grid-column: 2; grid-row: 1; border-bottom: 0; padding: 24px 28px 18px; gap: 14px; }
.pv-desktop.pv-xhs .xhs-ava { width: 38px; height: 38px; }
.pv-desktop.pv-xhs .xhs-name { font-size: 14px; font-weight: 500; color: #555; }
.pv-desktop.pv-xhs .xhs-follow { background: var(--xhs-red); border-color: var(--xhs-red); color: #fff; padding: 10px 20px; font-size: 13px; }
.pv-desktop.pv-xhs .xhs-media { grid-column: 1; grid-row: 1 / 4; min-width: 0; min-height: 0; display: flex; flex-direction: column; position: relative; background: #f7f7f7; border-right: 1px solid #eee; }
.pv-desktop.pv-xhs .xhs-car { aspect-ratio: auto; flex: 1; min-height: 0; background: #f7f7f7; }
.pv-desktop.pv-xhs .xhs-slide { margin: 0; }
.pv-desktop.pv-xhs .xhs-slide img { object-fit: contain; }
.pv-desktop.pv-xhs .xhs-dots { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); border-radius: 20px; padding: 2px 5px; background: #ffffffdd; }
.xhs-dots button.xhs-dot { display: grid; place-items: center; width: 18px; height: 20px; padding: 0; background: transparent; border-radius: 4px; }
.xhs-dots button.xhs-dot::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: #c6c6c6; }
.xhs-dots button.xhs-dot.on::after { background: var(--xhs-red); }
.xhs-carousel-arrow { position: absolute; top: 50%; transform: translateY(-50%); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: #ffffffdc; border: 1px solid #00000008; color: #555; }
.xhs-carousel-arrow:hover { background: #fff; color: #111; }
.xhs-carousel-arrow.previous { left: 12px; }
.xhs-carousel-arrow.next { right: 12px; }
.xhs-carousel-arrow .icon { width: 18px; height: 18px; }
.pv-desktop.pv-xhs .xhs-content { grid-column: 2; grid-row: 2; min-height: 0; overflow: auto; overscroll-behavior: contain; scrollbar-width: thin; background: #fff; overflow-wrap: anywhere; }
.pv-desktop.pv-xhs .xhs-body { padding: 8px 28px 24px; }
.pv-desktop.pv-xhs .xhs-title { font: 700 22px/1.55 var(--font-sans); margin-bottom: 20px; }
.pv-desktop.pv-xhs .xhs-p { font-size: 17px; line-height: 1.95; margin-bottom: 18px; color: #33312c; }
.pv-desktop.pv-xhs .pv-hash { color: #24476b; font-size: 14px; line-height: 1.8; }
.pv-desktop.pv-xhs .xhs-time { color: #76716a; font-size: 12px; margin-top: 24px; }
.xhs-comments-empty { margin: 0 28px; padding: 22px 0; border-top: 1px solid #eee; font-size: 13px; color: #888; }
.xhs-comments-empty p { text-align: center; padding: 30px 0; color: #b0b0b0; }
.pv-desktop.pv-xhs .xhs-bar { grid-column: 2; grid-row: 3; gap: 12px; padding: 16px; }
.pv-desktop.pv-xhs .xhs-input { min-width: 0; padding: 12px; font-size: 13px; background: #f5f5f5; }
.pv-desktop.pv-xhs .xhs-act { gap: 12px; }
.pv-desktop.pv-xhs .xhs-act-btn { display: flex; flex-direction: column; gap: 4px; font-size: 11px; white-space: nowrap; cursor: default; }
.pv-desktop.pv-xhs .xhs-act-btn .icon { width: 20px; height: 20px; }
.pv-desktop.pv-xhs .pv-missing-hero { flex: 0 0 auto; margin: 0; }
.pv-desktop.pv-xhs .xhs-car > .pv-missing-hero { align-self: stretch; height: 100% !important; }

/* WeChat articles keep a comfortable desktop reading measure and an account rail. */
.pv-desktop.pv-wx { --wx-green: #2a7e58; --wx-green-tint: #eff5f1; --wx-blue: #576b95; }
.wx-desktop-scroll { background: #fff; overscroll-behavior: contain; }
.wx-desktop-page { display: grid; grid-template-columns: minmax(0, 680px) 142px; justify-content: center; gap: 36px; padding: 36px clamp(24px, 4vw, 54px) 30px; }
.wx-reading-column { min-width: 0; overflow-wrap: anywhere; }
.pv-desktop.pv-wx .wx-article { padding: 0; }
.pv-desktop.pv-wx .wx-title { font: 700 28px/1.5 var(--font-sans); margin-bottom: 22px; }
.pv-desktop.pv-wx .wx-meta { border: 0; font-size: 13px; margin-bottom: 28px; padding-bottom: 0; }
.pv-desktop.pv-wx .wx-p { font-size: 17px; line-height: 1.95; margin: 24px 0; }
.pv-desktop.pv-wx .wx-lead { font-size: 16px; line-height: 1.9; }
.pv-desktop.pv-wx .wx-footer { padding: 24px 0 0; margin-top: 28px; }
.wx-account { align-self: start; position: sticky; top: 28px; display: flex; flex-direction: column; align-items: center; gap: 12px; border-left: 1px solid #eee; padding: 22px 0 22px 20px; font-size: 12px; color: #777; text-align: center; }
.wx-account-avatar { width: 54px; height: 54px; border-radius: 8px; background: #f3f4f2; }
.wx-account b { color: #576b95; font-size: 12px; font-weight: 400; line-height: 1.6; }
.wx-account > span { font-size: 11px; color: #999; }

/* Moments desktop window: navigation rail and a wider, bounded timeline. */
.pv-desktop.pv-mm { --mm-blue: #576b95; --mm-blue-tint: #f0f2f7; --mm-bubble-bg: #f7f7f7; --mm-divider: #e8e8e8; }
.mm-desktop-body { display: grid; grid-template-columns: 58px minmax(0, 1fr); flex: 1; min-height: 0; }
.mm-desktop-rail { display: flex; flex-direction: column; align-items: center; gap: 30px; background: #f1f1f1; border-right: 1px solid #e9e9e9; padding: 20px 0; color: #888; }
.mm-desktop-avatar { width: 32px; height: 32px; border-radius: 5px; background: #fff; }
.mm-rail-active { display: grid; place-items: center; width: 36px; height: 36px; margin-top: -9px; border-radius: 6px; color: #2a7e58; background: #e3e9e3; }
.mm-desktop-feed { min-width: 0; min-height: 0; display: flex; flex-direction: column; }
.mm-desktop-heading { padding: 20px 30px; font-size: 17px; border-bottom: 1px solid #ededed; flex-shrink: 0; }
.pv-desktop.pv-mm .pv-scroll { overscroll-behavior: contain; }
.pv-desktop.pv-mm .mm-post { max-width: 740px; margin: 0 auto; padding: 30px 38px; gap: 16px; }
.pv-desktop.pv-mm .mm-author { font-size: 17px; margin-bottom: 12px; }
.pv-desktop.pv-mm .mm-text { font-size: 16px; line-height: 1.9; }
.pv-desktop.pv-mm .mm-grid { max-width: 510px; gap: 6px; margin: 16px 0; }
.pv-desktop.pv-mm .mm-grid.n1 { max-width: 360px; }
.pv-desktop.pv-mm .mm-grid.n2, .pv-desktop.pv-mm .mm-grid.n4 { max-width: 340px; }
.pv-desktop.pv-mm .mm-grid.n2, .pv-desktop.pv-mm .mm-grid.n4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pv-desktop.pv-mm .mm-grid.n4 { grid-template-rows: repeat(2, auto); }
.pv-desktop.pv-mm .mm-grid.n3, .pv-desktop.pv-mm .mm-grid.n9 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pv-desktop.pv-mm .mm-grid.n1 figure.pv-fig, .pv-desktop.pv-mm .mm-grid.n1 figure.pv-fig img { max-height: 360px; }
.pv-desktop.pv-mm .mm-meta { margin-top: 18px; }

.preview-stage[data-device="mobile"] .xhs-p, .preview-stage[data-device="mobile"] .mm-text { font-size: 14px; line-height: 1.85; }
.preview-stage[data-device="mobile"] .wx-p { font-size: 15px; line-height: 1.9; }
.preview-stage[data-device="mobile"] .xhs-slide,
.preview-stage[data-device="mobile"] .xhs-slide img {
  background: #f7f7f7;
}
.preview-stage[data-device="mobile"] .xhs-slide img {
  object-fit: contain;
  object-position: center;
}

/* Mobile previews are a single device page. Long copy scrolls inside the phone,
   while the surrounding work area stays within one viewport and cannot grow
   horizontally on narrow screens. */
.preview-workspace[data-device="mobile"] .preview-backdrop {
  display: flex;
  align-items: stretch;
  justify-content: center;
  overflow: hidden;
}
.preview-stage[data-device="mobile"] {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  flex: 1 1 auto;
  overflow: hidden;
}
.preview-stage[data-device="mobile"] > .pv-phone {
  width: min(100%, 390px);
  height: 100%;
  min-width: 0;
  min-height: 0;
  max-height: 100%;
}
.preview-stage[data-device="mobile"] > .pv-phone.wide { width: min(100%, 460px); }
.preview-stage[data-device="mobile"] .pv-scroll {
  min-width: 0;
  min-height: 0;
  flex: 1 1 auto;
  overflow-x: hidden;
  overflow-y: auto;
}
.preview-stage[data-device="mobile"] .xhs-mobile-scroll,
.preview-stage[data-device="mobile"] .wx-mobile-scroll {
  display: flex;
  flex-direction: column;
}

@media (max-width: 1120px) { .work-body { grid-template-columns: minmax(0, 1fr); } .work-summary { display: none; } .preview-device-caption { display: none; } .preview-toolbar { grid-template-columns: 1fr auto 1fr; } .preview-devices { grid-column: 2; } }
@media (max-width: 900px) and (min-width: 601px) { .work-body { grid-template-columns: minmax(0, 1fr); } .work-summary { display: none; } }
@media (max-height: 800px) and (min-width: 601px) {
  .page-work { padding-top: 20px; padding-bottom: 18px; }
  .work-eyebrow { display: none; }
  .stage-title-group b { font-size: 26px; }
  .page-work .page-description { font-size: 13px; margin-top: 6px; }
  .work-body { padding: 16px 0; gap: 18px; }
  .work-summary { padding: 18px 16px; }
  .work-summary h2 { font-size: 25px; margin-bottom: 8px; }
  .result-model { margin-bottom: 14px; }
  .chips-container { gap: 3px; padding-bottom: 12px; margin-bottom: 8px; }
  .revise-bar { padding: 10px 12px; }
  .preview-toolbar { min-height: 58px; padding: 8px 16px; }
  .preview-workspace[data-device="desktop"] .preview-backdrop { padding: 16px; }
}
@media (max-width: 600px) {
  .work-body { display: flex; flex-direction: column; }
  .preview-workspace { flex: 1; }
  .preview-toolbar { min-height: 52px; padding: 6px 10px; gap: 8px; }
  .preview-label { font-size: 12px; }
  .preview-devices button { padding: 6px 10px; font-size: 12px; }
  .preview-workspace .preview-backdrop { height: auto; padding: 10px; }
  .preview-workspace[data-device="mobile"] .preview-backdrop { height: 100%; padding: 10px; }
  .preview-workspace[data-device="desktop"] .preview-backdrop { padding: 10px; }
  .preview-stage[data-device="desktop"] { min-width: 740px; }
}