/* ==========================================================
   BOXRUI Case Detail V2
   独立作用域样式：只影响案例详情模板，不覆盖案例列表/分类页。
   Keep /css/case.css loaded for existing shared and workflow styles.
   ========================================================== */

.boxrui-case-detail-v2 {
  --bd-green: #176b4d;
  --bd-green-dark: #104b38;
  --bd-green-soft: #eaf4ef;
  --bd-ink: #17241f;
  --bd-muted: #65716b;
  --bd-line: #e1e9e4;
  --bd-paper: #ffffff;
  --bd-mist: #f5f8f6;
  color: var(--bd-ink);
  font-family: inherit;
  line-height: 1.65;
  overflow: clip;
}
.boxrui-case-detail-v2 *,
.boxrui-case-detail-v2 *::before,
.boxrui-case-detail-v2 *::after { box-sizing: border-box; }
.boxrui-case-detail-v2 img { max-width: 100%; }
.boxrui-case-detail-v2 .bd-shell {
  /* Match the site's shared .container: 90% width, capped at 1370px. */
  width: 90%;
  max-width: 1370px;
  margin-inline: auto;
}
.boxrui-case-detail-v2 .bd-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 18px 0 15px;
  color: #7a8780;
  font-size: 12px;
  line-height: 1.5;
}
.boxrui-case-detail-v2 .bd-breadcrumbs a { color: #526158; text-decoration: none; }
.boxrui-case-detail-v2 .bd-breadcrumbs a:hover { color: var(--bd-green); }
.boxrui-case-detail-v2 .bd-breadcrumbs span[aria-hidden="true"] { color: #b0bbb5; }

/* Hero */
.boxrui-case-detail-v2 .bd-case-hero {
  position: relative;
  isolation: isolate;
  width: 90%;
  max-width: 1370px;
  min-height: 390px;
  margin: 0 auto 22px;
  overflow: hidden;
  border-radius: 22px;
  background: linear-gradient(125deg, #183d2d, #304f41);
  box-shadow: 0 16px 42px rgba(18, 50, 35, .12);
}
.boxrui-case-detail-v2 .bd-case-hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.boxrui-case-detail-v2 .bd-case-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  /* Keep the source image proportional; crop excess edges instead of stretching. */
  object-fit: cover;
  object-position: center 50%;
}
.boxrui-case-detail-v2 .bd-case-hero-shade {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 35, 24, .91) 0%, rgba(8, 39, 27, .72) 46%, rgba(8, 39, 27, .12) 100%);
}
.boxrui-case-detail-v2 .bd-case-hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 390px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding-top: 48px;
  padding-bottom: 48px;
  color: #fff;
}
.boxrui-case-detail-v2 .bd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #c5e7d6;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .15em;
  line-height: 1.5;
  text-transform: uppercase;
}
.boxrui-case-detail-v2 .bd-eyebrow::before {
  display: inline-block;
  width: 24px;
  height: 2px;
  background: #8fd0ad;
  content: "";
}
.boxrui-case-detail-v2 .bd-eyebrow--green { color: var(--bd-green); }
.boxrui-case-detail-v2 .bd-eyebrow--green::before { background: var(--bd-green); }
.boxrui-case-detail-v2 .bd-case-hero h1 {
  max-width: 760px;
  margin: 17px 0 16px;
  color: #fff;
  font-size: clamp(32px, 4.2vw, 54px);
  font-weight: 760;
  letter-spacing: -.045em;
  line-height: 1.1;
  overflow-wrap: anywhere;
}
.boxrui-case-detail-v2 .bd-case-hero-content > p {
  max-width: 600px;
  margin: 0 0 25px;
  color: rgba(255,255,255,.88);
  font-size: 14px;
  line-height: 1.85;
}
.boxrui-case-detail-v2 .bd-hero-actions,
.boxrui-case-detail-v2 .bd-marketing-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.boxrui-case-detail-v2 .bd-btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 17px;
  border: 1px solid var(--bd-green);
  border-radius: 7px;
  background: var(--bd-green);
  color: #fff !important;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.4;
  text-align: center;
  text-decoration: none !important;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.boxrui-case-detail-v2 .bd-btn:hover {
  transform: translateY(-1px);
  border-color: var(--bd-green-dark);
  background: var(--bd-green-dark);
}
.boxrui-case-detail-v2 .bd-btn--light {
  border-color: rgba(255,255,255,.58);
  background: rgba(255,255,255,.09);
  color: #fff !important;
  backdrop-filter: blur(6px);
}
.boxrui-case-detail-v2 .bd-btn--light:hover { background: rgba(255,255,255,.18); }
.boxrui-case-detail-v2 .bd-btn--outline {
  border-color: #b8d0c4;
  background: #fff;
  color: var(--bd-green) !important;
}
.boxrui-case-detail-v2 .bd-btn--outline:hover { background: var(--bd-green-soft); }

/* Four project facts */
.boxrui-case-detail-v2 .bd-stats-section { position: relative; z-index: 1; }
.boxrui-case-detail-v2 .bd-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--bd-line);
  border-radius: 15px;
  background: #fff;
}
.boxrui-case-detail-v2 .bd-stat-card {
  min-width: 0;
  padding: 21px 22px;
  border-right: 1px solid var(--bd-line);
}
.boxrui-case-detail-v2 .bd-stat-card:last-child { border-right: 0; }
.boxrui-case-detail-v2 .bd-stat-label {
  display: block;
  margin-bottom: 8px;
  color: var(--bd-muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 1.45;
  text-transform: uppercase;
}
.boxrui-case-detail-v2 .bd-stat-card strong {
  display: block;
  color: var(--bd-green);
  font-size: clamp(15px, 1.5vw, 20px);
  font-weight: 750;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.boxrui-case-detail-v2 .bd-stat-divider { padding: 0 5px; color: #a0b8aa; font-weight: 400; }

/* Shared sections */
.boxrui-case-detail-v2 .bd-section { padding: 68px 0; }
.boxrui-case-detail-v2 .bd-section--soft { background: var(--bd-mist); }
.boxrui-case-detail-v2 .bd-section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 26px;
}
.boxrui-case-detail-v2 .bd-section-heading h2 {
  max-width: 720px;
  margin: 10px 0 0;
  color: var(--bd-ink);
  font-size: clamp(25px, 3vw, 37px);
  font-weight: 750;
  letter-spacing: -.04em;
  line-height: 1.2;
  overflow-wrap: anywhere;
}
.boxrui-case-detail-v2 .bd-section-heading > p {
  max-width: 420px;
  margin: 0;
  color: var(--bd-muted);
  font-size: 12px;
  line-height: 1.85;
}
.boxrui-case-detail-v2 .bd-overview-card {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--bd-line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 9px 28px rgba(18, 50, 35, .045);
}
.boxrui-case-detail-v2 .bd-rich-content {
  color: #4f5d55;
  font-size: 14px;
  line-height: 1.9;
  overflow-wrap: anywhere;
}
.boxrui-case-detail-v2 .bd-rich-content > :first-child { margin-top: 0; }
.boxrui-case-detail-v2 .bd-rich-content > :last-child { margin-bottom: 0; }
.boxrui-case-detail-v2 .bd-rich-content h1,
.boxrui-case-detail-v2 .bd-rich-content h2,
.boxrui-case-detail-v2 .bd-rich-content h3,
.boxrui-case-detail-v2 .bd-rich-content h4 {
  color: var(--bd-ink);
  line-height: 1.35;
}
.boxrui-case-detail-v2 .bd-rich-content h1 { font-size: 27px; }
.boxrui-case-detail-v2 .bd-rich-content h2 { font-size: 23px; }
.boxrui-case-detail-v2 .bd-rich-content h3 { font-size: 18px; }
.boxrui-case-detail-v2 .bd-rich-content img {
  max-width: 100%;
  height: auto;
  border-radius: 9px;
}
.boxrui-case-detail-v2 .bd-rich-content table {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
}
.boxrui-case-detail-v2 .bd-rich-content td,
.boxrui-case-detail-v2 .bd-rich-content th {
  padding: 9px 11px;
  border: 1px solid var(--bd-line);
  overflow-wrap: anywhere;
}

/* Project gallery: desktop main image and 8 thumbnails share the same height */
.boxrui-case-detail-v2 .bd-gallery-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(240px, .75fr);
  align-items: stretch;
  gap: 14px;
}
.boxrui-case-detail-v2 .bd-gallery-main {
  min-width: 0;
  height: clamp(360px, 37vw, 520px);
  min-height: 0;
  overflow: hidden;
  border-radius: 15px;
  background: #e7eee9;
  box-shadow: 0 12px 30px rgba(18, 50, 35, .08);
}
.boxrui-case-detail-v2 .bd-gallery-main img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: none;
  object-fit: cover;
  object-position: center;
  transition: opacity .16s ease;
}
.boxrui-case-detail-v2 .bd-gallery-empty {
  display: grid;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 25px;
  place-items: center;
  color: var(--bd-muted);
  font-size: 13px;
  text-align: center;
}
.boxrui-case-detail-v2 .bd-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(4, minmax(0, 1fr));
  grid-auto-flow: row;
  align-content: stretch;
  align-items: stretch;
  gap: 8px;
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: none;
  overflow: hidden;
  padding: 0;
  box-sizing: border-box;
}
.boxrui-case-detail-v2 .bd-gallery-thumb {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  aspect-ratio: auto;
  align-self: stretch;
  margin: 0;
  overflow: hidden;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 10px;
  background: #e7eee9;
  box-sizing: border-box;
  cursor: pointer;
  transition: border-color .2s ease, opacity .2s ease;
}
.boxrui-case-detail-v2 .bd-gallery-thumb img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.boxrui-case-detail-v2 .bd-gallery-thumb.is-active { border-color: var(--bd-green); }
.boxrui-case-detail-v2 .bd-gallery-thumb:hover { opacity: .86; }

/* Project solution / marketing block */
.boxrui-case-detail-v2 .bd-solution-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  align-items: start;
  gap: clamp(24px, 4vw, 52px);
}
.boxrui-case-detail-v2 .bd-solution-layout--single { grid-template-columns: minmax(0, 1fr); }
.boxrui-case-detail-v2 .bd-solution-main { min-width: 0; }
.boxrui-case-detail-v2 .bd-marketing-title {
  margin: 12px 0 18px;
  color: var(--bd-ink);
  font-size: clamp(27px, 3.2vw, 42px);
  font-weight: 760;
  letter-spacing: -.04em;
  line-height: 1.18;
  overflow-wrap: anywhere;
}
.boxrui-case-detail-v2 .boxrui-marketing-html {
  color: #536158;
  font-size: 14px;
  line-height: 1.9;
  overflow-wrap: anywhere;
}
.boxrui-case-detail-v2 .boxrui-marketing-html > :first-child { margin-top: 0; }
.boxrui-case-detail-v2 .boxrui-marketing-html > :last-child { margin-bottom: 0; }
.boxrui-case-detail-v2 .boxrui-marketing-html h2,
.boxrui-case-detail-v2 .boxrui-marketing-html h3,
.boxrui-case-detail-v2 .boxrui-marketing-html h4 {
  color: var(--bd-ink);
  line-height: 1.35;
}
.boxrui-case-detail-v2 .boxrui-marketing-html img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}
.boxrui-case-detail-v2 .bd-marketing-actions { margin-top: 22px; }
.boxrui-case-detail-v2 .bd-solution-extra {
  min-width: 0;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--bd-line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(18, 50, 35, .055);
  color: #526057;
  font-size: 13px;
  line-height: 1.85;
  overflow-wrap: anywhere;
}
.boxrui-case-detail-v2 .bd-solution-extra h2,
.boxrui-case-detail-v2 .bd-solution-extra h3,
.boxrui-case-detail-v2 .bd-solution-extra h4 {
  margin-top: 0;
  color: var(--bd-ink);
  line-height: 1.35;
}
.boxrui-case-detail-v2 .bd-solution-extra p { margin: 0 0 12px; }
.boxrui-case-detail-v2 .bd-solution-extra p:last-child { margin-bottom: 0; }
.boxrui-case-detail-v2 .bd-solution-extra img { max-width: 100%; height: auto; }

/* Compact project-support cards */
.boxrui-case-detail-v2 .bd-section--support { background: #fff; padding-top: 56px; }
.boxrui-case-detail-v2 .bd-support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.boxrui-case-detail-v2 .bd-support-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--bd-line);
  border-radius: 13px;
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.boxrui-case-detail-v2 .bd-support-card:hover {
  transform: translateY(-3px);
  border-color: #c6dbcf;
  box-shadow: 0 12px 28px rgba(18, 50, 35, .075);
}
.boxrui-case-detail-v2 .bd-support-icon {
  display: flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  overflow: hidden;
  border-radius: 11px;
  background: var(--bd-green-soft);
}
.boxrui-case-detail-v2 .bd-support-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.boxrui-case-detail-v2 .bd-support-card h3 {
  margin: 0 0 7px;
  color: var(--bd-ink);
  font-size: 15px;
  font-weight: 750;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.boxrui-case-detail-v2 .bd-support-card p {
  margin: 0;
  color: var(--bd-muted);
  font-size: 12px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

/* Do not restyle the already-approved 9-step workflow; only space it within the new page. */
.boxrui-case-detail-v2 #process.process { margin-top: 12px; }

/* Tablet */
@media (max-width: 980px) {
  .boxrui-case-detail-v2 .bd-case-hero,
  .boxrui-case-detail-v2 .bd-case-hero-content { min-height: 370px; }
  .boxrui-case-detail-v2 .bd-stat-card { padding: 18px 15px; }
  .boxrui-case-detail-v2 .bd-gallery-layout { grid-template-columns: minmax(0, 1.25fr) minmax(210px, .75fr); }
  .boxrui-case-detail-v2 .bd-solution-layout { grid-template-columns: minmax(0, 1fr); }
  .boxrui-case-detail-v2 .bd-solution-extra { margin-top: 4px; }
  .boxrui-case-detail-v2 .bd-support-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Mobile-first presentation */
@media (max-width: 767px) {
  .boxrui-case-detail-v2 .bd-shell { width: calc(100% - 32px); }
  .boxrui-case-detail-v2 .bd-breadcrumbs { gap: 7px; padding: 14px 0 12px; font-size: 11px; }
  .boxrui-case-detail-v2 .bd-case-hero {
    width: calc(100% - 20px);
    min-height: 350px;
    margin-bottom: 14px;
    border-radius: 15px;
  }
  .boxrui-case-detail-v2 .bd-case-hero-media img {
    /* Near-square mobile viewport: crop responsively, never distort the cover. */
    object-position: center 50%;
  }
  .boxrui-case-detail-v2 .bd-case-hero-shade {
    background: linear-gradient(180deg, rgba(7,35,24,.08) 0%, rgba(7,35,24,.52) 34%, rgba(7,35,24,.94) 100%);
  }
  .boxrui-case-detail-v2 .bd-case-hero-content {
    width: calc(100% - 36px);
    min-height: 350px;
    justify-content: flex-end;
    padding-top: clamp(150px, 42vw, 180px);
    padding-bottom: 22px;
  }
  .boxrui-case-detail-v2 .bd-eyebrow { font-size: 10px; letter-spacing: .12em; }
  .boxrui-case-detail-v2 .bd-case-hero h1 {
    margin: 12px 0 11px;
    font-size: clamp(29px, 8vw, 36px);
    line-height: 1.12;
  }
  .boxrui-case-detail-v2 .bd-case-hero-content > p { margin-bottom: 17px; font-size: 12px; line-height: 1.72; }
  .boxrui-case-detail-v2 .bd-hero-actions { width: 100%; gap: 8px; }
  .boxrui-case-detail-v2 .bd-hero-actions .bd-btn { flex: 1 1 0; min-width: 0; padding: 10px 8px; font-size: 11px; }
  .boxrui-case-detail-v2 .bd-stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); border-radius: 12px; }
  .boxrui-case-detail-v2 .bd-stat-card { min-height: 90px; padding: 15px 13px; border-bottom: 1px solid var(--bd-line); }
  .boxrui-case-detail-v2 .bd-stat-card:nth-child(2) { border-right: 0; }
  .boxrui-case-detail-v2 .bd-stat-card:nth-child(3),
  .boxrui-case-detail-v2 .bd-stat-card:nth-child(4) { border-bottom: 0; }
  .boxrui-case-detail-v2 .bd-stat-label { margin-bottom: 6px; font-size: 9px; }
  .boxrui-case-detail-v2 .bd-stat-card strong { font-size: 15px; line-height: 1.45; }
  .boxrui-case-detail-v2 .bd-section { padding: 45px 0; }
  .boxrui-case-detail-v2 .bd-section-heading { display: block; margin-bottom: 20px; }
  .boxrui-case-detail-v2 .bd-section-heading h2 { margin-top: 8px; font-size: 27px; line-height: 1.2; }
  .boxrui-case-detail-v2 .bd-section-heading > p { margin-top: 11px; font-size: 12px; line-height: 1.75; }
  .boxrui-case-detail-v2 .bd-overview-card { padding: 19px 17px; border-radius: 12px; }
  .boxrui-case-detail-v2 .bd-rich-content { font-size: 13px; line-height: 1.8; }
  .boxrui-case-detail-v2 .bd-rich-content h1 { font-size: 23px; }
  .boxrui-case-detail-v2 .bd-rich-content h2 { font-size: 21px; }
  .boxrui-case-detail-v2 .bd-rich-content h3 { font-size: 17px; }
  .boxrui-case-detail-v2 .bd-gallery-layout { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .boxrui-case-detail-v2 .bd-gallery-main { height: auto; min-height: 0; border-radius: 12px; }
  .boxrui-case-detail-v2 .bd-gallery-main img { height: auto; min-height: 0; max-height: none; aspect-ratio: 4 / 3; }
  .boxrui-case-detail-v2 .bd-gallery-empty { height: auto; min-height: 210px; }
  .boxrui-case-detail-v2 .bd-gallery-thumbs {
    display: flex;
    grid-template-columns: none;
    grid-template-rows: none;
    width: 100%;
    height: auto;
    min-height: 0;
    max-height: none;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 2px 2px 8px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  .boxrui-case-detail-v2 .bd-gallery-thumb {
    flex: 0 0 106px;
    width: 106px;
    height: 78px;
    aspect-ratio: auto;
    border-radius: 8px;
    scroll-snap-align: start;
  }
  .boxrui-case-detail-v2 .bd-marketing-title { margin: 10px 0 15px; font-size: 29px; line-height: 1.2; }
  .boxrui-case-detail-v2 .boxrui-marketing-html { font-size: 13px; line-height: 1.8; }
  .boxrui-case-detail-v2 .bd-marketing-actions { gap: 8px; margin-top: 18px; }
  .boxrui-case-detail-v2 .bd-marketing-actions .bd-btn { flex: 1 1 0; min-width: 0; padding: 10px 9px; font-size: 11px; }
  .boxrui-case-detail-v2 .bd-solution-extra { padding: 19px 17px; border-radius: 12px; font-size: 12px; }
  .boxrui-case-detail-v2 .bd-support-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .boxrui-case-detail-v2 .bd-support-card { padding: 15px 13px; border-radius: 10px; }
  .boxrui-case-detail-v2 .bd-support-icon { width: 35px; height: 35px; margin-bottom: 10px; }
  .boxrui-case-detail-v2 .bd-support-card h3 { font-size: 13px; }
  .boxrui-case-detail-v2 .bd-support-card p { font-size: 11px; line-height: 1.65; }
}
@media (max-width: 360px) {
  .boxrui-case-detail-v2 .bd-hero-actions { flex-direction: column; align-items: stretch; }
  .boxrui-case-detail-v2 .bd-hero-actions .bd-btn { width: 100%; }
  .boxrui-case-detail-v2 .bd-support-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .boxrui-case-detail-v2 *,
  .boxrui-case-detail-v2 *::before,
  .boxrui-case-detail-v2 *::after { scroll-behavior: auto !important; transition: none !important; }
}

/* BOXRUI case hero vertical balance — restored from the previously approved positioning */
/* Only the hero text block is adjusted; the site header/navigation is untouched. */
@media (min-width: 768px) {
  /* Fallback for a template without a language modifier. */
  .boxrui-case-detail-v2 .bd-case-hero-content {
    transform: translateY(24px) !important;
  }

  /* Chinese: a small downward adjustment. */
  .boxrui-case-detail-v2.boxrui-case-detail-v2--cn .bd-case-hero-content {
    transform: translateY(12px) !important;
  }

  /* English: more downward space, as the text block is longer. */
  .boxrui-case-detail-v2.boxrui-case-detail-v2--en .bd-case-hero-content {
    transform: translateY(28px) !important;
  }
}

/* Keep the existing mobile hero layout unchanged. */
@media (max-width: 767px) {
  .boxrui-case-detail-v2 .bd-case-hero-content {
    transform: none !important;
  }
}