:root {
  color-scheme: light;
  --ink: #171a25;
  --muted: #5d6474;
  --indigo: #27358b;
  --gold: #d6aa55;
  --danger: #a12835;
  --surface: rgba(255, 255, 255, 0.94);
  --glass: rgba(247, 249, 255, 0.58);
  --glass-active: rgba(255, 255, 255, 0.76);
  --glass-edge: 2px;
  --line: rgba(255, 255, 255, 0.72);
  --shadow: 0 16px 34px rgba(21, 26, 54, 0.16), 0 3px 10px rgba(21, 26, 54, 0.12);
  font-family: Inter, "Noto Sans SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: #e8ebf4; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: linear-gradient(rgba(14, 18, 38, 0.42), rgba(14, 18, 38, 0.58)), url("/campus-corridor.webp") center / cover fixed;
  animation: moveBackground 60s linear infinite;
}
@keyframes moveBackground {
  0%, 100% { background-position: 47% 50%, 0% 0%; }
  50% { background-position: 53% 50%, 0% 0%; }
}
button, input, select { font: inherit; letter-spacing: 0; }
button, input, select, summary { min-height: 44px; }
button { cursor: pointer; }
[hidden] { display: none !important; }

.page-shell { width: min(1440px, calc(100% - 32px)); margin: 0 auto; padding: 20px 0 48px; }
.topbar { min-height: 64px; display: flex; align-items: center; justify-content: space-between; color: white; }
.brand-lockup { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid; place-items: center; width: 44px; height: 44px;
  border: 1px solid rgba(255,255,255,.65); border-radius: 8px;
  background: rgba(255,255,255,.15); box-shadow: inset 0 1px 0 rgba(255,255,255,.6);
}
h1, h2, p { margin-top: 0; }
h1 { font-size: 1.25rem; margin-bottom: 0; }
h2 { font-size: clamp(1.45rem, 3vw, 2rem); margin-bottom: 8px; }
.eyebrow { margin-bottom: 8px; color: var(--indigo); font-size: .72rem; font-weight: 750; letter-spacing: .08em; }
.form-intro, #dataset-status { color: var(--muted); }

.glass-control {
  position: relative;
  min-height: 44px;
  border: var(--glass-edge) solid rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  color: var(--ink);
  background: var(--glass);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.85), inset 0 -1px 0 rgba(39,53,139,.08), var(--shadow);
  backdrop-filter: blur(18px) saturate(128%);
  -webkit-backdrop-filter: blur(18px) saturate(128%);
  transition: background-color 180ms ease, border-color 180ms ease, box-shadow 240ms ease, transform 180ms cubic-bezier(0.175, 0.885, 0.32, 2.2);
}
.glass-control:hover { background: rgba(255,255,255,.68); border-color: rgba(255,255,255,.9); transform: scale(1.02); }
.glass-control:focus-visible {
  outline: 3px solid rgba(214,170,85,.82); outline-offset: 3px;
  background: var(--glass-active);
  box-shadow: inset 0 1px 0 white, 0 0 0 1px rgba(39,53,139,.28), 0 18px 36px rgba(21,26,54,.2);
}
.glass-control:active { transform: translateY(1px) scale(.995); }
.glass-control:disabled { cursor: wait; opacity: .62; }
.primary { color: white; background: rgba(39,53,139,.9); border-color: rgba(255,255,255,.76); }
.primary:hover { background: rgba(47,62,154,.94); }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.admin-link {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 16px;
  color: white; text-decoration: none;
  border: var(--glass-edge) solid rgba(255, 255, 255, 0.7);
  border-radius: 8px; background: rgba(24, 29, 56, 0.44);
  backdrop-filter: blur(18px) saturate(128%);
  -webkit-backdrop-filter: blur(18px) saturate(128%);
}
.admin-link:focus-visible { outline: 3px solid rgba(214, 170, 85, 0.82); outline-offset: 3px; }

.announce-hint {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.82rem; letter-spacing: 0.06em;
  animation: hint-bob 1.6s ease-in-out infinite;
  transition: opacity 200ms ease;
}
.announce-hint.is-fading { opacity: 0; }
@keyframes hint-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

.announcements { width: min(560px, 100%); display: grid; gap: 12px; }
.announcements-title { color: white; font-size: 1.05rem; margin-bottom: 4px; }
.announcement-list { display: grid; gap: 12px; }
.announce-card {
  position: relative;
  padding: 18px 20px; border-radius: 18px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 6px 6px rgba(0, 0, 0, 0.16), 0 0 18px rgba(0, 0, 0, 0.08),
    inset 2px 2px 1px 0 rgba(255, 255, 255, 0.55), inset -1px -1px 1px 1px rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(20px) saturate(140%); -webkit-backdrop-filter: blur(20px) saturate(140%);
}
.announce-card::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit; pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.05) 45%, rgba(255,255,255,0.14) 100%);
  filter: url(#glass-distortion);
  opacity: 0.85;
}
.announce-card h3 { margin: 0 0 4px; font-size: 1.02rem; }
.announce-time { display: block; margin-bottom: 10px; color: var(--muted); font-size: 0.78rem; }

.md-body { color: #2a3145; font-size: 0.93rem; line-height: 1.65; overflow-wrap: anywhere; }
.md-body > :first-child { margin-top: 0; }
.md-body > :last-child { margin-bottom: 0; }
.md-body h1, .md-body h2, .md-body h3, .md-body h4 { margin: 14px 0 6px; line-height: 1.3; }
.md-body h1 { font-size: 1.18rem; } .md-body h2 { font-size: 1.1rem; }
.md-body h3 { font-size: 1.02rem; } .md-body h4 { font-size: 0.96rem; }
.md-body p { margin: 6px 0; }
.md-body ul, .md-body ol { margin: 6px 0; padding-left: 22px; }
.md-body li { margin: 3px 0; }
.md-body code { padding: 1px 5px; border-radius: 4px; background: rgba(39, 53, 139, 0.08); font-size: 0.88em; }
.md-body pre { padding: 10px 12px; border-radius: 6px; background: rgba(23, 26, 37, 0.92); color: #e8ebf4; overflow: auto; }
.md-body pre code { padding: 0; background: transparent; color: inherit; }
.md-body blockquote { margin: 8px 0; padding: 4px 12px; border-left: 3px solid rgba(39, 53, 139, 0.35); background: rgba(39, 53, 139, 0.05); }
.md-body hr { border: 0; border-top: 1px solid rgba(39, 53, 139, 0.18); margin: 12px 0; }
.md-body a { color: var(--indigo); }
.md-body img {
  display: block;
  width: min(100%, 680px);
  max-height: 360px;
  object-fit: contain;
  margin: 10px auto;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.55);
  background: rgba(255,255,255,0.35);
  box-shadow: 0 8px 22px rgba(10,14,35,0.14);
}

.unlock-view { min-height: auto; display: flex; flex-direction: column; justify-content: flex-start; align-items: center; gap: 12px; padding: 10px 0 42px; }
.unlock-form, .search-view {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 6px 6px rgba(0, 0, 0, 0.2), 0 0 20px rgba(0, 0, 0, 0.1),
    inset 2px 2px 1px 0 rgba(255, 255, 255, 0.5), inset -1px -1px 1px 1px rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  transition: transform 200ms cubic-bezier(0.175, 0.885, 0.32, 2.2), box-shadow 240ms ease;
}
.unlock-form { background: rgba(255, 255, 255, 0.16); }
.search-view { background: rgba(255, 255, 255, 0.5); }
.unlock-form::before, .search-view::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit; pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,0.35) 0%, rgba(255,255,255,0.06) 40%, rgba(255,255,255,0.16) 100%);
  filter: url(#glass-distortion);
  opacity: 0.9;
}
.unlock-form:hover, .search-view:hover {
  box-shadow: 0 10px 14px rgba(0, 0, 0, 0.22), 0 0 28px rgba(0, 0, 0, 0.12),
    inset 3px 3px 2px 0 rgba(255, 255, 255, 0.6), inset -2px -2px 2px 2px rgba(255, 255, 255, 0.6);
}
.unlock-form { width: min(560px, 100%); padding: 30px; border-radius: 8px; }
.unlock-form h2 { color: #fff; }
.unlock-form .eyebrow { color: rgba(214, 170, 85, 0.95); }
.unlock-form .form-intro { color: rgba(255, 255, 255, 0.8); }
.unlock-form label { display: block; margin-bottom: 8px; font-weight: 650; color: rgba(255, 255, 255, 0.92); }
.form-row, .search-form { display: grid; gap: 12px; }
.form-row { grid-template-columns: 1fr auto; }
input, select, button { padding: 10px 14px; }

.search-view { padding: 22px; border-radius: 8px; }
.workspace-heading { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.connection-dot { width: 10px; height: 10px; margin: 10px; border-radius: 50%; background: #23865e; box-shadow: 0 0 0 5px rgba(35,134,94,.14); }
.search-form { grid-template-columns: auto minmax(160px, .7fr) auto minmax(220px, 1fr) auto; align-items: center; }
.search-form label { font-weight: 650; }
.status { min-height: 24px; color: var(--danger); margin: 10px 0; }
.click-hint {
  margin: 0 0 10px; font-size: 0.82rem; font-weight: 600;
  color: rgba(255, 255, 255, 0.88); letter-spacing: 0.02em;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  animation: hint-pulse 2.2s ease-in-out infinite;
}
@keyframes hint-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.28); }
  50% { box-shadow: 0 0 0 6px rgba(255, 255, 255, 0); }
}
.result-summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 12px 0; }
.result-summary p { margin-bottom: 0; font-weight: 650; }
.pagination { display: flex; align-items: center; gap: 8px; }

.table-shell { position: relative; }
.table-shell.has-overflow { padding-top: 34px; }
.table-scroll-hint {
  position: absolute; top: 0; right: 0; min-height: 28px; margin: 0; padding: 4px 10px;
  color: #343b56; background: rgba(237, 240, 251, 0.58); border: 1px solid rgba(255,255,255,.72); border-radius: 6px;
  opacity: 1; transition: opacity 180ms ease;
}
.table-scroll-hint[aria-hidden="true"], .table-scroll-hint.is-fading { opacity: 0; pointer-events: none; }
.table-region { overflow: auto; max-height: 62vh; background: rgba(255,255,255,.96); border: 1px solid rgba(39,53,139,.14); border-radius: 6px; }
table { width: 100%; min-width: 1100px; border-collapse: collapse; }
th, td { padding: 10px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid #e2e5ed; white-space: nowrap; }
th { position: sticky; top: 0; z-index: 1; background: #f3f5fa; color: #31384d; }
tbody tr:hover { background: #f8f9fc; }
.guardian-block { display: grid; gap: 3px; padding: 7px 0; white-space: normal; min-width: 230px; }
.guardian-block + .guardian-block { border-top: 1px solid #e2e5ed; }
.record-label { color: var(--muted); font-weight: 650; }
.mobile-results { display: none; }

/* ===== 照片头像 ===== */
.record-avatar {
  display: block; width: 38px; height: 38px; border-radius: 50%; object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.92);
  background: linear-gradient(135deg, #e8ebf4, #cfd6ea);
  box-shadow: 0 2px 6px rgba(21, 26, 54, 0.22), inset 0 0 0 1px rgba(39, 53, 139, 0.14);
}
.record-avatar.avatar-missing {
  background: linear-gradient(135deg, #dfe4f2, #b9c3e0);
}
.avatar-cell { width: 54px; }
.clickable-row { cursor: pointer; }
.clickable-row:hover td { background: rgba(214, 170, 85, 0.12); }
.clickable-row:focus-visible { outline: 3px solid rgba(214, 170, 85, 0.82); outline-offset: -2px; }
.detail-cell { color: var(--indigo); font-weight: 700; }

/* ===== 模态框（完整档案）===== */
.record-modal[hidden] { display: none; }
.record-modal {
  position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 16px;
}
.modal-scrim {
  position: absolute; inset: 0;
  background: rgba(10, 14, 35, 0.55);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.modal-panel {
  position: relative; width: min(560px, 100%); max-height: min(85dvh, 760px); overflow: auto;
  border-radius: 22px; padding: 22px; padding-bottom: calc(22px + env(safe-area-inset-bottom, 0px));
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 6px 6px rgba(0, 0, 0, 0.22), 0 0 24px rgba(0, 0, 0, 0.12),
    inset 2px 2px 1px 0 rgba(255, 255, 255, 0.6), inset -1px -1px 1px 1px rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(24px) saturate(150%); -webkit-backdrop-filter: blur(24px) saturate(150%);
  animation: modal-in 200ms cubic-bezier(0.175, 0.885, 0.32, 1.2);
}
.modal-panel::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit; pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,0.34) 0%, rgba(255,255,255,0.06) 42%, rgba(255,255,255,0.16) 100%);
  filter: url(#glass-distortion);
  opacity: 0.9;
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
.modal-close {
  position: sticky; top: 0; float: right; z-index: 2;
  width: 44px; height: 44px; display: grid; place-items: center;
  border-radius: 50%; font-size: 1.1rem; line-height: 1; padding: 0;
}
.modal-head {
  display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; align-items: center;
  margin: 2px 0 16px; padding-right: 48px;
}
.modal-avatar {
  width: 96px; height: 96px; border-radius: 50%; object-fit: cover; grid-row: span 2;
  border: 3px solid rgba(255, 255, 255, 0.95);
  background: linear-gradient(135deg, #e8ebf4, #cfd6ea);
  box-shadow: 0 8px 24px rgba(21, 26, 54, 0.3);
}
.modal-head h3 { margin: 0; font-size: 1.3rem; }
.modal-sub { margin: 0; color: var(--muted); }
.modal-fields {
  display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; margin: 0 0 6px;
}
.modal-fields dt { color: var(--muted); font-weight: 650; white-space: nowrap; }
.modal-fields dd { margin: 0; overflow-wrap: anywhere; }
.modal-panel h4 { margin: 16px 0 8px; font-size: 1.02rem; }
body.modal-open { overflow: hidden; }

@supports not ((backdrop-filter: blur(18px)) or (-webkit-backdrop-filter: blur(18px))) {
  .glass-control, .unlock-form, .search-view, .announce-card, .mobile-record, .modal-panel { background: rgba(247, 249, 255, 0.96); }
  .unlock-form h2, .unlock-form label { color: var(--ink); }
  .unlock-form .eyebrow { color: var(--indigo); }
  .unlock-form .form-intro { color: var(--muted); }
}

@media (max-width: 760px) {
  body { background-attachment: scroll; }
  .page-shell { width: min(calc(100% - 20px), 680px); padding-top: 10px; }
  .topbar { min-height: 44px; }
  .unlock-view { min-height: auto; justify-content: flex-start; gap: 8px; padding: 2px 0 28px; }
  .unlock-form { padding: 18px 16px; }
  .unlock-form h2 { margin-bottom: 6px; font-size: 1.35rem; }
  .unlock-form .eyebrow { margin-bottom: 5px; }
  .unlock-form .form-intro { margin-bottom: 10px; }
  .announce-card { padding: 14px 16px; }
  .announce-hint { font-size: 0.76rem; }
  .click-hint { display: none; }
  .search-view { padding: 16px 12px; }
  .search-form, .form-row { grid-template-columns: 1fr; }
  .search-form label { margin-bottom: -8px; }
  .result-summary { align-items: stretch; flex-direction: column; }
  .pagination { justify-content: space-between; }
  .pagination .glass-control { flex: 1; }
  .table-shell { display: none; }
  .mobile-results { display: grid; gap: 10px; }
  .mobile-record {
    display: flex; align-items: center; gap: 12px; width: 100%; min-height: 64px;
    padding: 10px 12px; text-align: left; font: inherit; color: var(--ink);
    background: rgba(255, 255, 255, 0.46); border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 16px; cursor: pointer;
    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.12), 0 0 14px rgba(0, 0, 0, 0.06),
      inset 2px 2px 1px 0 rgba(255, 255, 255, 0.55), inset -1px -1px 1px 1px rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%);
    transition: transform 180ms cubic-bezier(0.175, 0.885, 0.32, 2.2), background-color 150ms ease, box-shadow 180ms ease;
  }
  .mobile-record .record-avatar { width: 44px; height: 44px; flex: none; }
  .mobile-record:active { transform: scale(0.97); background: rgba(255, 255, 255, 0.4); }
  .mobile-record:focus-visible { outline: 3px solid rgba(214, 170, 85, 0.82); outline-offset: 2px; }
  .mobile-record-info { display: grid; gap: 2px; flex: 1; min-width: 0; }
  .mobile-record-info strong { font-size: 1rem; }
  .mobile-record-info small { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .mobile-record-hint {
    flex: none; display: flex; align-items: center; gap: 2px;
    color: var(--muted); font-size: 0.8rem; font-weight: 600;
  }
  .mobile-record-hint::after { content: "›"; font-size: 1.3rem; line-height: 1; color: var(--indigo); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  .glass-control:active { transform: none; }
}
/* ===== incremental fixes: announcements, markdown images, admin light glass ===== */
.announce-card {
  overflow: hidden;
  width: 100%;
  border: 1px solid rgba(255,255,255,0.42);
  text-align: left;
  cursor: pointer;
}
.announce-card > * { position: relative; z-index: 1; }
.announce-card:hover,
.announce-card:focus-visible {
  transform: translateY(-1px) scale(1.01);
  border-color: rgba(255,255,255,0.68);
  box-shadow: 0 18px 42px rgba(10,14,35,0.22), inset 1px 1px 1px rgba(255,255,255,0.45);
  outline: none;
}
.announce-body {
  max-height: 4.9em;
  overflow: hidden;
  position: relative;
  transition: max-height 220ms ease;
}
.announce-card.is-expanded .announce-body {
  max-height: 70vh;
  overflow: auto;
}
.announce-card:not(.is-expanded) .announce-body::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2.6em;
  background: linear-gradient(rgba(255,255,255,0), rgba(255,255,255,0.55));
  pointer-events: none;
}
.announce-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative; z-index: 1;
  margin-top: 10px;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,0.58);
  border-radius: 999px;
  color: #27358b;
  background: rgba(255,255,255,0.42);
  font-weight: 700;
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
}
.announcement-modal-head { align-items: flex-start; }
.announcement-modal-body {
  margin-top: 16px;
  color: var(--ink);
}
.md-body img {
  display: block;
  max-width: 100%;
  max-height: 360px;
  width: auto;
  height: auto;
  margin: 10px 0;
  border-radius: 10px;
  object-fit: contain;
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 8px 24px rgba(10,14,35,0.16);
}