/* ============================================================
   环境设施页
   依据：overview_p12/p13、detail_p33~40
   ============================================================ */
body.facilities-page {
  background: #fff;
  color: var(--text-dark);
}

.facilities-main {
  padding-top: var(--header-h);
  overflow: hidden;
}

.facilities-hero {
  position: relative;
  height: 154px;
  overflow: hidden;
  background: #d6e5f7;
}

.facilities-hero > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 50%;
  filter: saturate(.88) brightness(1.03);
}

.facilities-hero-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  max-width: 1248px;
  margin: 0 auto;
  padding: 0 24px 13px;
}

.facilities-breadcrumb {
  margin: 0;
  color: #1b1b1b;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
}

.facilities-layout {
  display: grid;
  grid-template-columns: 208px minmax(0, 1fr);
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 0 48px;
}

.facilities-sidebar {
  position: sticky;
  top: 104px;
  z-index: 5;
  align-self: start;
  width: 184px;
  margin-top: -34px;
  overflow: hidden;
  background: #d3d3d3;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
}

.facilities-sidebar h1 {
  display: flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  padding: 8px 10px;
  background: #1765ad;
  color: #fff;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
}

.facilities-nav { background: #d3d3d3; }

.facilities-nav-item {
  display: flex;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  padding: 5px 8px;
  border-top: 1px solid rgba(255, 255, 255, .55);
  background: #c4c4c4;
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.35;
  text-align: center;
  text-shadow: 0 1px 1px rgba(0, 0, 0, .16);
  transition: background .2s ease;
}

.facilities-nav-item:hover,
.facilities-nav-item.active {
  background: #0d65b7;
  color: #fff;
}

.facilities-nav-item.active { font-weight: 700; }

.facilities-flow {
  min-width: 0;
  padding: 0 0 0 0;
}

.facilities-intro {
  padding: 26px 0 24px;
}

.facilities-section-heading h2,
.equipment-intro h2 {
  margin: 0 0 4px;
  color: #00a94f;
  font-size: 25px;
  font-weight: 700;
  line-height: 1.2;
}

.facilities-intro p,
.equipment-intro p {
  max-width: 760px;
  margin: 0;
  color: #222;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.55;
}

.lab-cards {
  display: grid;
  gap: 18px;
}

.lab-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: 172px;
  overflow: hidden;
  border: 1px solid #dbeaf0;
  background: #e9fbfc;
  box-shadow: 0 5px 12px rgba(45, 78, 92, .2);
}

.lab-card-media {
  position: relative;
  min-width: 0;
  min-height: 172px;
  margin: 0;
  padding: 6px;
  overflow: hidden;
  background: linear-gradient(135deg, #00aa92 0%, #008f9e 46%, #0068b7 100%);
}

.lab-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 160px;
  object-fit: cover;
}

.facility-mark {
  position: absolute;
  top: 6px;
  left: 6px;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 7px;
  padding: 7px 28px 7px 10px;
  background: #008f9c;
  clip-path: polygon(0 0, 100% 0, 84% 100%, 0 100%);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  text-shadow: 0 1px 1px rgba(0, 66, 91, .35);
}

.facility-mark::before {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  background: url("../images/facilities/facilities-mark-icon.png") center / contain no-repeat;
  content: "";
}

.lab-card-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 22px 26px;
}

.lab-card-copy h3 {
  margin: 0 0 12px;
  color: #00a94f;
  font-size: 23px;
  font-weight: 700;
  line-height: 1.2;
}

.lab-card-copy p {
  margin: 0;
  color: #1e1e1e;
  font-size: 15px;
  line-height: 1.55;
}

.equipment-intro {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  padding: 25px 0 22px;
}

.equipment-intro > img {
  width: 116px;
  height: 116px;
  object-fit: contain;
}

.equipment-intro h2 { margin-bottom: 10px; }

.equipment-intro p { max-width: 600px; }

.equipment-gallery {
  position: relative;
  padding: 0 10px 10px;
  background: #f3f5f7;
  box-shadow: 0 2px 12px rgba(39, 61, 82, .16);
}

.equipment-tabs {
  display: flex;
  width: 100%;
  min-height: 34px;
  align-items: stretch;
  overflow: hidden;
  background: #0d65b7;
}

.equipment-tab {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  padding: 7px 8px;
  border-right: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
}

.equipment-tab:last-child { border-right: 0; }
.equipment-tab.active { background: #00a86b; }

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px 18px;
  padding: 18px 8px 10px;
}

.equipment-card {
  min-width: 0;
  overflow: hidden;
  background: #eef5fa;
  box-shadow: 0 3px 8px rgba(31, 64, 88, .2);
}

.equipment-card figure {
  position: relative;
  aspect-ratio: 1.34 / 1;
  margin: 0;
  padding: 6px;
  overflow: hidden;
  background: linear-gradient(135deg, #00aa92 0%, #008f9e 46%, #0068b7 100%);
}

.equipment-card figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.equipment-card figure .facility-mark {
  top: auto;
  right: 6px;
  bottom: 6px;
  left: auto;
  min-height: 22px;
  gap: 4px;
  padding: 3px 7px 3px 10px;
  clip-path: polygon(9% 0, 100% 0, 100% 100%, 0 100%);
  font-size: 9px;
}

.equipment-card figure .facility-mark::before {
  width: 15px;
  height: 15px;
  flex-basis: 15px;
}

.equipment-card h3 {
  min-height: 34px;
  margin: 0;
  padding: 7px 8px 8px;
  color: #4b7faa;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
}

.facilities-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 22px 0 0;
}

.facilities-page-arrow,
.facilities-page-number {
  display: inline-flex;
  width: 44px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: #f0f0f0;
  color: #888;
  font-size: 12px;
}

.facilities-page-arrow svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.facilities-page-number.active {
  background: #0d65b7;
  color: #fff;
}

.facilities-page-arrow:disabled,
.facilities-page-number:disabled { cursor: default; opacity: .72; }

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 1024px) and (min-width: 769px) {
  .facilities-layout { grid-template-columns: 182px minmax(0, 1fr); max-width: 960px; padding-right: 24px; padding-left: 24px; }
  .facilities-sidebar { width: 160px; }
  .lab-card-copy { padding: 18px 20px; }
  .lab-card-copy p { font-size: 14px; }
  .equipment-tabs { overflow-x: auto; }
  .equipment-tab { flex: 0 0 auto; min-width: 92px; }
}

@media (max-width: 768px) {
  .facilities-hero { height: 128px; }
  .facilities-hero-inner { padding: 0 24px 10px; }
  .facilities-breadcrumb { font-size: 10px; }
  .facilities-layout { display: block; max-width: none; padding: 0 24px 40px; }
  .facilities-sidebar { position: relative; top: auto; width: 100%; margin: -24px 0 0; }
  .facilities-sidebar h1 { min-height: 40px; font-size: 18px; }
  .facilities-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facilities-nav-item { min-height: 40px; padding: 7px 8px; font-size: 11px; }
  .facilities-intro { padding: 30px 0 20px; }
  .facilities-section-heading h2,
  .equipment-intro h2 { font-size: 23px; }
  .facilities-intro p,
  .equipment-intro p { font-size: 14px; line-height: 1.75; }
  .lab-cards { gap: 16px; }
  .lab-card,
  .lab-card-reverse { display: flex; flex-direction: column; }
  .lab-card-media { min-height: 190px; order: 0; }
  .lab-card-copy { order: 1; padding: 18px 18px 22px; }
  .lab-card-copy h3 { font-size: 21px; }
  .lab-card-copy p { font-size: 14px; line-height: 1.75; }
  .equipment-intro { grid-template-columns: 76px minmax(0, 1fr); gap: 14px; padding: 28px 0 22px; }
  .equipment-intro > img { width: 76px; height: 76px; }
  .equipment-intro h2 { margin-bottom: 6px; }
  .equipment-gallery { margin: 0 -8px; padding-right: 6px; padding-left: 6px; }
  .equipment-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: visible; }
  .equipment-tab { min-height: 36px; flex: none; border-bottom: 1px solid rgba(255, 255, 255, .35); font-size: 10px; }
  .equipment-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 10px; padding: 12px 4px 8px; }
  .equipment-card figure { border-width: 4px; }
  .equipment-card figure .facility-mark { right: 6px; bottom: 6px; min-height: 19px; font-size: 8px; }
  .equipment-card figure .facility-mark::before { width: 12px; height: 12px; flex-basis: 12px; }
  .equipment-card h3 { min-height: 39px; padding: 6px 5px 7px; font-size: 11px; }
  .facilities-pagination { padding-top: 20px; }
  .facilities-nav-item { font-size: 12px; }
  .facilities-breadcrumb { font-size: 11px; }
  .equipment-tab { font-size: 12px; }
  .equipment-card h3 { font-size: 12px; }
}

/* 桌面宽版布局：左侧目录左移，实验室与设备内容区加宽 */
@media (min-width: 769px) {
  .facilities-hero-inner { max-width: 1360px; }
  .facilities-layout {
    max-width: 1360px;
    padding-right: 24px;
    padding-left: 24px;
  }
}

/* 桌面端目录标题统一：固定高度，避免不同栏目标题上下不齐 */
@media (min-width: 769px) {
  .facilities-sidebar h1 {
    height: 50px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 10px;
    line-height: 1.2;
  }
}

/* 桌面端横幅统一 300px，移动端仍使用独立高度适配 */
@media (min-width: 769px) {
  .facilities-hero {
    width: 100%;
    height: 300px;
    aspect-ratio: auto;
  }
  .facilities-hero > img { object-fit: cover; object-position: center center; }
}

/* 内页统一版心：目录列与内容列共享同一条中心线 */
@media (min-width: 769px) {
  .facilities-layout {
    display: grid;
    grid-template-columns: var(--inner-rail-w) minmax(0, 1fr);
    width: min(100%, var(--inner-frame-w));
    max-width: none;
    margin-inline: auto;
    padding: 0 var(--inner-frame-pad) 48px;
    box-sizing: border-box;
  }
  .facilities-flow { min-width: 0; }
  .facilities-nav-item { font-size: 13px; }
  .facilities-breadcrumb { font-size: 12px; }
  .equipment-tab { font-size: 13px; }
  .equipment-card h3 { font-size: 13px; }
}