/* Public pages reuse the released workbench header, palette and controls. */
body.workbench.site-pages { --sidebar:0px; --paper:#fff; background:#fff; }
.workbench.site-pages main { max-width:1280px; margin:72px auto 0; padding:32px 32px 28px; min-height:0; }
.site-pages .primary-nav { display:flex; }
.site-pages .primary-nav a { display:flex; }
.site-pages .account-actions { min-width:0; flex-shrink:0; }
.site-pages .account-actions [data-account] { max-width:clamp(95px,18vw,180px); overflow:hidden; white-space:nowrap; text-overflow:ellipsis; }
.site-pages .site-eyebrow { margin:0 0 8px; color:#8498a3; font-size:11px; letter-spacing:.04em; }
.site-hero-image { min-width:0; min-height:360px; height:100%; margin:0; position:relative; border-radius:0; overflow:hidden; background:#fff; }
.site-hero-image img { display:block; position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:center; }
.site-hero-image svg { position:absolute; inset:0; width:100%; height:100%; pointer-events:none; }
.site-hero-showcase { width:100%; min-width:0; }
.site-hero-showcase:focus-visible { outline:2px solid #9bb3c0; outline-offset:-3px; border-radius:5px; }
.hero-image-stack { position:relative; isolation:isolate; }
.site-pages .hero-image-stack .hero-slide { position:relative; inset:auto; min-height:0; height:auto; aspect-ratio:16/10; border-radius:6px; }
.hero-slide[data-position="front"] { display:block; order:0; }
.hero-slide[data-position="middle"] { display:none; }
.hero-slide[data-position="back"] { display:none; }
.hero-slide-labels { position:absolute; inset:12px 12px auto; z-index:1; display:flex; flex-wrap:wrap; gap:5px; margin:0; pointer-events:none; }
.hero-slide-labels span { padding:4px 7px; border-radius:3px; background:#173543cc; color:#fff; font-size:10px; line-height:1.4; }
.site-hero-empty { display:grid; place-items:center; aspect-ratio:16/10; margin:0; background:#f3f6f6; color:#8398a3; font-size:12px; }
.site-stat-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:0; margin:0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.site-stat-card { margin:0; border:0; border-right:1px solid var(--line); border-radius:0; padding:18px 22px; background:#fff; min-width:0; }
.site-stat-card:first-child { padding-left:0; }
.site-stat-card:last-child { border-right:0; }
.site-stat-card dt { font-size:29px; line-height:1.3; font-weight:500; color:#2b4b5a; font-variant-numeric:tabular-nums; }
.site-stat-card dd { color:#5d7785; margin:6px 0 0; font-size:12px; }
.site-stat-card small { display:block; margin-top:7px; font-size:10px; color:#99a7af; }
.overview-stats { margin-top:20px; }
.site-stat-note,.dataset-stat-note { margin:8px 0 0; color:#92a2ac; font-size:10px; line-height:1.7; }
.site-panel { min-width:0; background:#fff; border:0; border-bottom:1px solid var(--line); border-radius:0; padding:22px 0; margin:0; }
.site-section-heading { display:flex; align-items:center; justify-content:space-between; gap:16px; margin:0 0 18px; }
.site-section-heading h2 { margin:0; font-size:17px; font-weight:500; line-height:1.6; }
.site-section-heading p:not(.site-eyebrow) { margin:5px 0 0; font-size:11px; color:#8c9ea8; line-height:1.7; }
.site-text-link { color:#718e9e; font-size:11px; white-space:nowrap; }
.site-text-link:hover { color:#b57645; }
.site-text-link span { margin-left:6px; }
.site-flow { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:18px; margin:0; padding:0; list-style:none; }
.site-pages .site-flow li { display:flex; gap:13px; align-items:flex-start; background:transparent; border:0; border-right:1px solid var(--line); border-radius:0; padding:8px 16px 8px 0; min-height:0; }
.site-pages .site-flow li:last-child { border-right:0; }
.site-flow li>b { font-size:12px; color:#b78054; padding-top:2px; font-weight:500; }
.site-pages .site-flow h3 { margin:0 0 6px; font-size:13px; font-weight:500; color:var(--ink); }
.site-pages .site-flow p { margin:0; font-size:11px; line-height:1.8; color:#8a9da7; }
.overview-bottom-grid { display:grid; grid-template-columns:1.3fr 1fr; gap:32px; }
.overview-bottom-grid .site-panel { margin:0; border-bottom:0; }
.overview-domain-list { display:grid; gap:17px; }
.overview-domain-list>div { display:flex; gap:16px; align-items:flex-start; }
.site-domain-mark { display:grid; place-items:center; flex-shrink:0; width:45px; height:40px; border:1px solid #e8eef1; border-radius:7px; background:#f2f7f9; color:#7e99a8; font-size:11px; }
.overview-domain-list h3 { margin:0 0 4px; font-size:13px; font-weight:500; }
.overview-domain-list p { margin:0; font-size:11px; color:#90a0aa; line-height:1.8; }
.overview-risk h2 { margin:4px 0 14px; font-size:20px; line-height:1.7; font-weight:500; }
.overview-risk>p:not(.site-eyebrow) { margin:0; color:#8b9da7; font-size:12px; line-height:1.9; }
.site-risk-tags { display:flex; gap:8px; margin-top:18px; flex-wrap:wrap; }
.site-risk-tags span { font-size:10px; color:#8d775e; background:#f8f3ed; padding:4px 9px; border-radius:4px; }
.site-access-note { border-top:1px solid var(--line); padding-top:18px; margin-top:22px; }
.site-access-note strong { color:#6c8796; font-size:11px; font-weight:500; }
.site-access-note p { font-size:11px; color:#93a3ad; margin:5px 0 0; }
.site-page-heading { display:flex; align-items:center; justify-content:space-between; gap:24px; margin:0 0 24px; }
.site-page-copy h1 { margin:4px 0 7px; font-size:27px; font-weight:600; }
.site-page-copy>p { margin:0; font-size:12px; line-height:1.85; color:#8398a4; max-width:700px; }
.site-page-copy>.eyebrow { margin:0; font-size:10px; color:#8d9fa9; }
.site-page-actions { flex-shrink:0; }
.site-page-actions a { display:inline-block; }
.dataset-media-tabs { display:flex; gap:26px; margin:0 0 26px; border-bottom:1px solid var(--line); }
.dataset-media-tabs button { padding:12px 4px; margin:0 0 -1px; border:0; border-bottom:2px solid transparent; background:transparent; color:#7b919d; font-size:15px; }
.dataset-media-tabs button[aria-selected="true"] { border-bottom-color:var(--orange); color:var(--ink); font-weight:600; }
.dataset-media-tabs button:hover { color:var(--ink); }
.dataset-upload-actions { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px; margin:0 0 16px; }
.dataset-upload-actions>.primary-button { margin-left:auto; }
.dataset-manage-actions,.dataset-selection-actions { display:flex; align-items:center; flex-wrap:wrap; gap:9px; }
.dataset-selection-actions[hidden],.dataset-manage-actions [hidden],.dataset-image-footer [hidden] { display:none!important; }
.dataset-selection-actions>span { color:var(--muted); font-size:12px; }
.dataset-image-footer { display:flex; justify-content:flex-end; margin-top:14px; }
.dataset-image-footer:has(>button[hidden]) { display:none; }
.dataset-selection-mark { display:none; }
.is-selecting .dataset-selection-mark { display:grid; position:absolute; z-index:2; right:10px; top:10px; place-items:center; width:25px; height:25px; border:2px solid #879da8; border-radius:5px; background:#fff; color:transparent; font-size:18px; font-weight:700; line-height:1; pointer-events:none; }
.is-selecting .is-selected .dataset-selection-mark { color:#fff; background:var(--navy); border-color:var(--navy); }
.site-pages .latest-record.is-selected,.dataset-video-list .mine-video-card.is-selected { outline:2px solid var(--orange); outline-offset:2px; }
.site-pages .is-selecting .latest-record { cursor:pointer; }
.dataset-video-list.is-selecting .mine-video-card { position:relative; cursor:pointer; }
.dataset-video-list .mine-video-card.is-selecting { position:relative; cursor:pointer; }
button.dataset-selection-mark { pointer-events:auto; cursor:pointer; padding:0; }
.dataset-video-list { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; }
.dataset-video-empty { padding:70px 20px; margin:20px 0 0; border:1px dashed #d6e1e7; border-radius:8px; color:#7d929e; font-size:13px; text-align:center; }
.dataset-videos-panel,#dataset-images-panel { min-height:390px; }
#dataset-image-status:empty,#dataset-video-status:empty { display:none; }
#dataset-video-login { margin:8px 0; }
.dataset-videos-panel .mine-video-card-status:empty { display:none; }
@media(max-width:1050px) { .dataset-video-list { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(max-width:650px) { .dataset-video-list { grid-template-columns:minmax(0,1fr); } .dataset-media-tabs { margin-bottom:22px; gap:22px; } }
.site-pages .latest-scenes { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:17px; }
.site-pages .latest-record { display:block; padding:0; width:100%; text-align:left; font:inherit; color:inherit; cursor:zoom-in; border:1px solid var(--line); border-radius:8px; overflow:hidden; background:#fff; min-width:0; transition:border-color .15s,transform .15s; }
.site-pages .latest-record:hover { border-color:#adc4d1; transform:translateY(-2px); }
.site-pages .latest-record:focus-visible { outline:2px solid var(--orange); outline-offset:3px; }
.site-record-preview { display:block; position:relative; aspect-ratio:16/9; background:#e8eff3; overflow:hidden; }
.site-record-preview img { width:100%; height:100%; display:block; object-fit:cover; }
.site-record-preview svg { position:absolute; inset:0; width:100%; height:100%; pointer-events:none; }
.site-record-preview.is-empty:before { content:"暂无预览"; position:absolute; inset:0; display:grid; place-items:center; font-size:11px; color:#99aab3; }
.site-record-status { position:absolute; left:9px; top:9px; padding:3px 6px; background:#ffffffed; color:#93816d; border-radius:4px; font-size:10px; }
.site-record-status.confirmed { color:#467f70; }
.site-record-body { display:block; padding:13px 14px 15px; }
.site-pages .latest-record-title { display:block; margin:0 0 7px; font-size:13px; font-weight:500; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.site-pages .site-record-source { display:block; margin:0; color:#92a3ad; font-size:10px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.site-pages .latest-record .tag-row { margin-top:10px; }
.dataset-image-dialog { width:min(1100px,calc(100% - 32px)); max-height:94vh; padding:20px; border:1px solid var(--line); border-radius:10px; overflow:auto; background:#fff; color:var(--ink); }
.dataset-image-dialog::backdrop { background:rgba(16,36,48,.7); }
.dataset-image-heading { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:14px; }
.dataset-image-heading h2 { margin:0; font-size:18px; overflow-wrap:anywhere; }
.dataset-image-heading button { flex-shrink:0; width:38px; height:38px; padding:0; border:1px solid var(--line); border-radius:6px; background:#fff; color:var(--ink); font-size:26px; cursor:pointer; }
.dataset-image-heading button:focus-visible { outline:2px solid var(--orange); outline-offset:2px; }
.dataset-image-stage { display:grid; place-items:center; min-height:100px; background:#f2f5f6; border-radius:5px; overflow:hidden; }
.dataset-image-media { position:relative; max-width:100%; line-height:0; }
.dataset-image-media img { display:block; width:auto; height:auto; max-width:100%; max-height:65vh; }
.dataset-image-media img[hidden] { display:none; }
.dataset-image-media svg { position:absolute; inset:0; width:100%; height:100%; pointer-events:none; }
#dataset-image-preview-status:empty { display:none; }
#dataset-image-labels { font-size:12px; color:var(--muted); }
@media(max-width:650px) { .dataset-image-dialog { padding:12px; width:calc(100% - 20px); } .dataset-image-heading h2 { font-size:16px; } }
.site-pages .site-data-state { grid-column:1/-1; margin:0; padding:35px 20px; text-align:center; background:#f7fafb; border-radius:6px; color:#90a1ac; font-size:12px; }
.site-detail-panel { background:#fff; border:1px solid var(--line); border-radius:9px; overflow:hidden; }
.site-detail-panel>summary { display:flex; align-items:center; gap:14px; position:relative; padding:18px 20px; cursor:pointer; list-style:none; color:#5e7b8c; }
.site-detail-panel>summary::-webkit-details-marker { display:none; }
.site-detail-panel>summary:after { content:"＋"; margin-left:auto; color:#97a9b3; }
.site-detail-panel[open]>summary:after { content:"−"; }
.site-detail-panel>summary span { font-size:12px; color:var(--ink); }
.site-detail-panel>summary small { font-size:10px; color:#99a8b0; }
.contact-footer { padding:0; background:#fff; color:#8a9ea8; border-top:1px solid var(--line); scroll-margin-top:88px; }
.site-pages .contact-footer-inner { display:grid; grid-template-columns:minmax(220px,1fr) minmax(380px,1.5fr) minmax(210px,.9fr); gap:28px; align-items:center; max-width:1280px; padding:32px; margin:0 auto; }
.site-pages .footer-identity { gap:12px; }
.site-pages .footer-logo { display:flex; align-items:center; justify-content:center; width:64px; height:64px; flex:0 0 64px; overflow:hidden; }
.site-pages .footer-identity .footer-logo img { width:70px; height:70px; max-width:none; flex-shrink:0; object-fit:contain; border-radius:0; filter:none; }
/* The school source has broad white margins; normalize its visible seal. */
.site-pages .footer-school .footer-logo img { width:120px; height:120px; }
.site-pages .footer-identity strong { color:#506a78; font-size:14px; font-weight:500; }
.site-pages .footer-identity span { font-size:12px; color:#7b8e97; margin-top:4px; }
.site-pages .footer-itvr { justify-content:flex-end; }
.site-pages .footer-itvr div { max-width:168px; }
.site-pages .footer-contact { display:grid; grid-template-columns:minmax(0,1.35fr) minmax(0,1fr); grid-template-areas:none; gap:24px; min-width:0; font-size:12px; font-style:normal; grid-column:auto; grid-row:auto; }
.footer-contact-column { display:flex; flex-direction:column; gap:8px; min-width:0; }
.site-pages .footer-contact span { grid-column:auto; grid-area:auto; color:#718893; display:flex; gap:8px; min-width:0; }
.site-pages .footer-contact b { min-width:24px; flex-shrink:0; font-size:12px; color:#7c919d; font-weight:400; }
.site-pages .footer-contact a { min-width:0; overflow-wrap:anywhere; color:#557582; }
.site-footer-link { color:#7c96a6; font-size:11px; white-space:nowrap; }
.site-pages .footer-bottom { border-top:1px solid #eaf0f3; max-width:none; padding:15px 0; margin:0; display:flex; justify-content:space-between; gap:18px; color:#a1b0b9; font-size:9px; }

@media(max-width:1050px) {
  .site-pages .primary-nav { display:flex; margin-left:18px; }
  .site-pages .site-hero-image { min-height:330px; }
  .site-stat-card { padding:17px; }
  .site-pages .site-flow { grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
  .site-pages .site-flow li:nth-child(even) { border-right:0; }
  .overview-bottom-grid { gap:18px; }
  .site-pages .contact-footer-inner { grid-template-columns:1fr 1fr; gap:22px; }
  .site-pages .footer-school { grid-column:1; grid-row:1; }
  .site-pages .footer-itvr { grid-column:2; grid-row:1; }
  .site-pages .footer-contact { grid-column:1/-1; grid-row:2; }
  .site-footer-link { display:none; }
  .site-detail-panel>summary { flex-wrap:wrap; gap:5px 12px; }
}
@media(max-width:780px) {
  .workbench.site-pages main { margin-top:64px; padding:20px 16px 20px; }
  .site-pages .site-header { gap:12px; }
  .site-pages .primary-nav { margin-left:0; display:flex; }
  .site-pages .primary-nav a { padding:0 10px; font-size:12px; }
  .site-pages .brand strong { font-size:12px; }
  .site-pages .brand small { display:none; }
  .site-pages .site-hero-image { min-height:280px; }
  .site-stat-card dt { font-size:25px; }
  .site-stat-card dd { font-size:11px; }
  .site-stat-card small { line-height:1.6; }
  .site-panel { padding:20px 0; margin-bottom:0; }
  .site-section-heading h2 { font-size:15px; }
  .overview-bottom-grid { gap:18px; }
  .site-pages .latest-scenes { grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
  .site-pages .footer-contact { gap:5px 10px; }
  .site-pages .contact-footer-inner { padding-left:16px; padding-right:16px; }
}
@media(max-width:650px) {
  .workbench.site-pages .site-header { height:108px; flex-wrap:wrap; padding:12px 16px 0; align-content:space-between; gap:0; }
  .site-pages .primary-nav { width:100%; order:3; align-self:auto; justify-content:center; min-height:43px; gap:17px; }
  .site-pages .primary-nav a { padding:0 10px; font-size:12px; }
  .site-pages .primary-nav a.active:after { left:10px; right:10px; }
  .site-pages .brand strong { font-size:13px; }
  .site-pages .account-actions { margin-left:auto; }
  .workbench.site-pages main { margin-top:108px; }
  .hero-image-stack { grid-template-columns:minmax(0,1fr); gap:14px; }
  .site-hero-showcase { max-width:560px; }
  .site-pages .site-hero-image { min-height:0; aspect-ratio:16/9; }
  .site-hero-empty { min-height:180px; }
  .site-stat-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .overview-bottom-grid { grid-template-columns:1fr; }
  .site-page-heading { align-items:flex-start; gap:15px; }
  .site-page-copy h1 { font-size:24px; }
  .site-page-copy>p { font-size:11px; }
  .site-page-actions a { padding:8px 10px !important; font-size:11px !important; }
  .site-pages .contact-footer-inner { grid-template-columns:1fr; gap:18px; padding:24px 16px; }
  .site-pages .footer-school { grid-column:1; grid-row:1; }
  .site-pages .footer-contact { grid-column:1; grid-row:2; }
  .site-pages .footer-itvr { grid-column:1; grid-row:3; justify-content:flex-start; }
  .site-pages .footer-contact { font-size:12px; }
  .site-pages .footer-contact span { white-space:normal; }
}
@media(max-width:430px) {
  .workbench.site-pages main { padding:16px 13px 16px; }
  .site-pages .contact-footer-inner { padding:24px 13px; }
  .site-pages .site-hero-image { aspect-ratio:16/9; }
  .site-panel { padding:18px 0; }
  .site-stat-card { padding:16px; } .site-stat-card small { font-size:9px; }
  .site-section-heading { gap:12px; align-items:flex-start; }
  .site-section-heading h2 { font-size:14px; }
  .site-pages .site-flow { grid-template-columns:1fr; }
  .site-pages .site-flow li { gap:14px; padding:12px 0; border-right:0; border-bottom:1px solid var(--line); }
  .site-pages .site-flow li:last-child { border-bottom:0; }
  .site-pages .latest-scenes { grid-template-columns:1fr; }
  .site-text-link { font-size:10px; }
  .site-detail-panel>summary { padding:16px; gap:5px; }
  .site-detail-panel>summary small { display:none; }
  .site-pages .footer-bottom { font-size:8px; gap:10px; }
}

/* Homepage: lake blue banner and two alternating introductions. */
.site-pages[data-page="overview"] .site-header { display:grid; grid-template-columns:minmax(0,1fr) auto minmax(0,1fr); gap:0; }
.site-pages[data-page="overview"] .primary-nav { grid-column:2; margin:0; justify-content:center; }
.site-pages[data-page="overview"] .account-actions { grid-column:3; margin:0; justify-self:end; }
.workbench.site-pages .overview-main { max-width:none; margin:72px 0 0; padding:0; }
.home-banner { background:#287b96; border-bottom:3px solid #216a82; }
.home-banner-inner { max-width:1144px; margin:0 auto; padding:76px 32px; text-align:center; }
.home-banner h1 { margin:0; color:#fff; font-size:clamp(30px,3vw,44px); line-height:1.3; font-weight:500; letter-spacing:.06em; white-space:nowrap; }
.home-banner-subtitle { margin:16px 0 0; color:#fff; font-size:16px; line-height:1.8; letter-spacing:.03em; }
.home-introductions { display:grid; gap:60px; max-width:1144px; margin:0 auto; padding:52px 32px 60px; }
.library-feature { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:64px; align-items:center; }
.library-feature-copy { min-width:0; }
.library-feature-copy h2 { margin:0 0 18px; color:#233e49; font-size:28px; line-height:1.4; font-weight:500; }
.library-feature-copy p { margin:0; color:#657b86; font-size:15px; line-height:2; }
.library-feature-copy p+p { margin-top:14px; }
.library-feature-visual { min-width:0; position:relative; margin:0; aspect-ratio:16/10; border-radius:6px; overflow:hidden; }
.library-feature--reverse .library-feature-copy { grid-column:2; grid-row:1; }
.library-feature--reverse .library-feature-visual { grid-column:1; grid-row:1; }
.risk-feature-visual>img { display:block; position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.risk-feature-visual figcaption { position:absolute; left:12px; bottom:12px; padding:5px 8px; border-radius:3px; color:#fff; background:#374247d9; font-size:11px; }
.site-pages[data-page="overview"] .contact-footer-inner { max-width:1144px; }
@media(max-width:1050px) {
  .library-feature { gap:36px; }
  .library-feature-copy h2 { font-size:25px; }
  .library-feature-copy p { font-size:14px; }
}
@media(max-width:780px) {
  .workbench.site-pages .overview-main { margin-top:64px; }
  .home-banner-inner { padding:58px 20px; }
  .home-introductions { padding:36px 20px 42px; gap:42px; }
  .library-feature { gap:24px; }
  .site-pages[data-page="overview"] .contact-footer-inner { padding-left:20px; padding-right:20px; }
}
@media(max-width:650px) {
  .site-pages .primary-nav { gap:8px; }
  .site-pages .primary-nav a { padding:0 6px; }
  .site-pages[data-page="overview"] .site-header { grid-template-columns:minmax(0,1fr); grid-template-rows:44px 43px; }
  .site-pages[data-page="overview"] .account-actions { grid-column:1; grid-row:1; }
  .site-pages[data-page="overview"] .primary-nav { grid-column:1; grid-row:2; }
  .workbench.site-pages .overview-main { margin-top:108px; }
  .home-banner-inner { padding:48px 16px; }
  .home-banner h1 { font-size:clamp(23px,6.5vw,32px); letter-spacing:.025em; }
  .home-banner-subtitle { margin-top:14px; font-size:13px; letter-spacing:0; }
  .home-introductions { padding:32px 16px 38px; gap:38px; }
  .library-feature { grid-template-columns:minmax(0,1fr); gap:20px; }
  .library-feature-copy h2 { margin-bottom:12px; font-size:24px; }
  .library-feature--reverse .library-feature-copy { grid-column:1; grid-row:1; }
  .library-feature--reverse .library-feature-visual { grid-column:1; grid-row:2; }
  .site-pages[data-page="overview"] .contact-footer-inner { padding-left:16px; padding-right:16px; }
}