/**
 * 3D 效果圖案例頁（cases-3d.html）
 * 須搭配 layout.css + solutions.css；body：sol-page cases-3d-page
 */

/* 字型、字級、行高與解決方案線 .sol-page 一致 */
.cases-3d-page {
  font-family: "Noto Sans TC", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.cases-3d-page .cases3d-breadcrumb {
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.cases-3d-page .cases3d-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.cases-3d-page .cases3d-breadcrumb a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.cases-3d-page .cases3d-bc-sep {
  margin: 0 8px;
  color: var(--line);
}

/* 分類導覽（非 section，避免繼承 .sol-page section 大 padding） */
.cases-3d-page .cases3d-tabs {
  background: #fff;
  border-bottom: 1px solid #e8e8e6;
  padding: 20px 0 22px;
}

.cases-3d-page .cases3d-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  align-items: center;
}

.cases-3d-page .cases3d-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  color: #334155;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

.cases-3d-page .cases3d-tab:hover {
  border-color: #cbd5e1;
  background: #e8eef5;
}

.cases-3d-page .cases3d-tab.is-active {
  background: #1a2b4b;
  border-color: #1a2b4b;
  color: #fff;
}

.cases-3d-page .cases3d-tab:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 3px;
}

.cases-3d-page .cases3d-tab-ico {
  font-size: 15px;
  line-height: 1;
  opacity: 0.92;
}

/* 分類內容：單一區塊切換 */
.cases-3d-page .cases3d-switch {
  padding-top: 72px;
  padding-bottom: 72px;
  background: #fafaf8;
}

.cases-3d-page .cases3d-panels {
  position: relative;
}

.cases-3d-page .cases3d-panel[hidden] {
  display: none !important;
}

.cases-3d-page .cases3d-panel.is-active {
  display: block;
}

.cases-3d-page .cases3d-sec-head {
  margin-bottom: 28px;
}

.cases-3d-page .cases3d-sec-head > div {
  max-width: 42rem;
}

.cases-3d-page .cases3d-sec-head h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.02em;
}

.cases-3d-page .cases3d-sec-lead {
  margin: 0;
  max-width: 42rem;
  font-size: 15px;
  line-height: 1.75;
  color: #64748b;
}

.cases-3d-page .cases3d-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

@media (max-width: 1024px) {
  .cases-3d-page .cases3d-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .cases-3d-page .cases3d-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .cases-3d-page .cases3d-tile {
    border-radius: 5px;
    aspect-ratio: 1 / 0.84;
  }

  .cases-3d-page .cases3d-tile-bar {
    gap: 8px;
    padding: 10px;
  }

  .cases-3d-page .cases3d-tile-title {
    font-size: 14px;
  }

  .cases-3d-page .cases3d-tile-vr-badge {
    top: 8px;
    right: 8px;
    padding: 3px 6px;
    font-size: 10px;
  }
}

.cases-3d-page .cases3d-tile {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 5px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #0f172a;
  font: inherit;
  color: #fff;
  text-align: left;
  cursor: pointer;
  text-decoration: none;
  transition: box-shadow 0.25s, transform 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

.cases-3d-page .cases3d-tile:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 3px;
}

.cases-3d-page .cases3d-tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.18);
}

.cases-3d-page .cases3d-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.25) 48%, transparent 100%);
}

.cases-3d-page .cases3d-tile-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.cases-3d-page .cases3d-tile-media img,
.cases-3d-page .cases3d-tile-media video.cases3d-tile-vid {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cases-3d-page .cases3d-tile-vr-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.74);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  backdrop-filter: blur(10px);
}

.cases-3d-page .cases3d-tile-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  padding: 12px 14px 14px;
}

.cases-3d-page .cases3d-tile-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-width: 0;
}

.cases-3d-page .cases3d-tile-title {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
}

.cases-3d-page .cases3d-tile-more {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  white-space: nowrap;
}

.cases-3d-page .cases3d-tile-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #1e293b 0%, #334155 50%, #0f172a 100%);
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.cases-3d-page .cases3d-tile-fallback--vr {
  background: linear-gradient(145deg, #0f172a 0%, #1e3a5f 45%, #172554 100%);
}

.cases-3d-page .cases3d-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 20px;
  text-align: center;
  font-size: 14px;
  color: #64748b;
  background: #f8fafc;
  border-radius: 10px;
  border: 1px dashed #e2e8f0;
}

/* 底部 CTA：滿版底圖（img 層 + 暖色底填 PNG 透明／圓角），讀字用 scrim */
.cases-3d-page .cases3d-soft-cta {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-top: 1px solid rgba(196, 163, 90, 0.2);
  /* 與解決方案內頁 .foot-cta 上下留白一致 */
  padding: 30px 0 50px;
  /* 與底圖右側實心區接近，避免圖層未蓋滿時露白 */
  background-color: #e8e4dc;
}

.cases-3d-page .cases3d-soft-cta-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background-color: #e8e4dc;
}

.cases-3d-page .cases3d-soft-cta-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  object-fit: cover;
  object-position: left center;
}

.cases-3d-page .cases3d-soft-cta-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0) 28%,
    rgba(250, 248, 244, 0.22) 42%,
    rgba(247, 244, 237, 0.72) 56%,
    rgba(244, 241, 235, 0.94) 74%,
    rgba(244, 241, 235, 0.98) 100%
  );
}

.cases-3d-page .cases3d-soft-cta .container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.cases-3d-page .cases3d-soft-cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  /* 底圖右側為留白區：文案與按鈕靠右，與圖面構圖一致 */
  justify-content: flex-end;
  gap: 20px 42px;
}

.cases-3d-page .cases3d-soft-copy {
  flex: 1 1 260px;
  min-width: 0;
  max-width: 640px;
}

.cases-3d-page .cases3d-soft-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.cases-3d-page .cases3d-soft-copy .cases3d-soft-lead {
  margin: 0;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.75;
  color: #475569;
}

.cases-3d-page .cases3d-soft-act {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  justify-content: flex-end;
  align-items: center;
}

@media (max-width: 720px) {
  .cases-3d-page .cases3d-soft-cta-inner {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
  }

  .cases-3d-page .cases3d-soft-act {
    justify-content: flex-start;
  }
}

/* 大圖燈箱 */
.cases-3d-page .cases3d-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 32px);
  box-sizing: border-box;
}

.cases-3d-page .cases3d-lightbox[hidden] {
  display: none !important;
}

.cases-3d-page .cases3d-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.78);
  cursor: pointer;
}

.cases-3d-page .cases3d-lightbox-dialog {
  position: relative;
  z-index: 1;
  width: min(1120px, 96vw);
  max-height: min(92vh, 900px);
  padding: 20px 20px 16px;
  box-sizing: border-box;
  background: #0f172a;
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  overflow: auto;
}

.cases-3d-page .cases3d-lightbox-x {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.cases-3d-page .cases3d-lightbox-x:hover {
  background: rgba(255, 255, 255, 0.22);
}

.cases-3d-page .cases3d-lightbox-carousel {
  display: flex;
  align-items: center;
  gap: clamp(6px, 2vw, 14px);
  width: 100%;
  min-height: 0;
  flex: 1 1 auto;
}

.cases-3d-page .cases3d-lightbox-arrow {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 28px;
  line-height: 1;
  font-weight: 300;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.15s;
}

.cases-3d-page .cases3d-lightbox-arrow:hover {
  background: rgba(255, 255, 255, 0.26);
}

.cases-3d-page .cases3d-lightbox-arrow:active {
  transform: scale(0.96);
}

.cases-3d-page .cases3d-lightbox-arrow[hidden] {
  display: none !important;
}

.cases-3d-page .cases3d-lightbox-stage {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  max-height: calc(92vh - 140px);
}

.cases-3d-page .cases3d-lightbox-img-el {
  max-width: 100%;
  max-height: calc(92vh - 160px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  display: block;
}

.cases-3d-page .cases3d-lightbox-video-el {
  max-width: 100%;
  max-height: calc(92vh - 160px);
  width: auto;
  height: auto;
  display: block;
  border-radius: 6px;
}

.cases-3d-page .cases3d-lightbox-frame-el {
  width: min(960px, 92vw);
  height: min(70vh, 640px);
  max-height: calc(92vh - 160px);
  border: 0;
  border-radius: 8px;
  background: #000;
}

.cases-3d-page .cases3d-lightbox-empty {
  margin: 0;
  padding: 16px 12px;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(248, 250, 252, 0.88);
  text-align: center;
}

.cases-3d-page .cases3d-lightbox-caption {
  margin: 0;
  width: 100%;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  text-align: center;
  letter-spacing: -0.02em;
}

.cases-3d-page .cases3d-lightbox-caption[hidden] {
  display: none !important;
}