:root {
  --bg: #f4f8fb;
  --text: #14233b;
  --muted: rgba(20, 35, 59, 0.68);
  --blue: #0c477a;
  --cyan: #51b7cc;
  --red: #a30b13;
  --brick: #88413b;
  --paper: rgba(255, 255, 255, 0.94);
  --line: rgba(12, 71, 122, 0.16);
  --shadow: 0 24px 70px rgba(20, 35, 59, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  border-radius: 999px;
  padding: 6px 12px 6px 8px;
  font-weight: 900;
  color: var(--blue);
  transition: transform 0.24s ease, background 0.24s ease;
}

.brand:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.62);
}

.brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 7px;
  overflow-x: auto;
  border-radius: 999px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 36px rgba(20, 35, 59, 0.1);
}

.nav-links a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--blue);
  font-size: 0.92rem;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: inset 0 0 0 1px rgba(12, 71, 122, 0.08);
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, color 0.22s ease;
}

.nav-links a:nth-child(-n + 3) {
  background: linear-gradient(135deg, var(--red), var(--brick));
  border-color: rgba(163, 11, 19, 0.24);
  color: white;
  box-shadow: 0 12px 24px rgba(136, 65, 59, 0.18);
}

.nav-links a:hover {
  transform: translateY(-2px);
  background: white;
  box-shadow: 0 14px 28px rgba(12, 71, 122, 0.16);
}

.nav-links a:nth-child(-n + 3):hover,
.nav-links a[aria-current="page"] {
  color: white;
  background: linear-gradient(135deg, #b20d16, var(--brick));
  box-shadow: 0 16px 30px rgba(136, 65, 59, 0.28);
}

.nav-links-graduate a:nth-child(3) {
  background: rgba(255, 255, 255, 0.72);
  border-color: transparent;
  color: var(--blue);
  box-shadow: inset 0 0 0 1px rgba(12, 71, 122, 0.08);
}

.nav-links-graduate a:nth-child(3):hover {
  background: white;
  color: var(--blue);
  box-shadow: 0 14px 28px rgba(12, 71, 122, 0.16);
}

.nav-links a:active,
.portal-card:active,
.button:active,
.back-home:active {
  transform: translateY(0) scale(0.98);
}

.hero {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: stretch;
  margin-top: -70px;
  padding-top: 70px;
  background: #dbeef8;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(244, 248, 251, 0.98) 0%, rgba(244, 248, 251, 0.86) 38%, rgba(244, 248, 251, 0.22) 78%),
    linear-gradient(180deg, rgba(81, 183, 204, 0.14), rgba(136, 65, 59, 0.22));
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}

.hero-inner {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  padding: 78px 0 130px;
}

.intro-tag {
  margin-bottom: 16px;
  color: var(--blue);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  max-width: 880px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-title span { display: block; }

.hero-copy {
  max-width: 650px;
  margin-bottom: 34px;
  color: rgba(20, 35, 59, 0.76);
  font-size: 1.08rem;
  line-height: 1.85;
}

.entry-hero .hero-inner {
  padding-bottom: 78px;
}

.identity-actions {
  width: min(760px, 100%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 6px;
}

.identity-card {
  min-height: 172px;
  display: grid;
  align-content: end;
  gap: 10px;
  border-radius: 8px;
  padding: 24px;
  color: white;
  background:
    linear-gradient(135deg, rgba(163, 11, 19, 0.96), rgba(136, 65, 59, 0.92)),
    var(--red);
  box-shadow: 0 24px 54px rgba(136, 65, 59, 0.26);
  position: relative;
  overflow: hidden;
  transition: transform 0.26s ease, box-shadow 0.26s ease, filter 0.26s ease;
}

.identity-card::after {
  content: "";
  position: absolute;
  inset: auto -36px -48px auto;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  transition: transform 0.34s ease;
}

.identity-card.graduate {
  background:
    linear-gradient(135deg, rgba(12, 71, 122, 0.96), rgba(81, 183, 204, 0.84)),
    var(--blue);
  box-shadow: 0 24px 54px rgba(12, 71, 122, 0.24);
}

.identity-card small {
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.86;
}

.identity-card strong {
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  line-height: 1.1;
}

.identity-card:hover {
  transform: translateY(-6px);
  filter: saturate(1.04);
  box-shadow: 0 30px 66px rgba(20, 35, 59, 0.22);
}

.identity-card:hover::after {
  transform: translate(-18px, -12px) scale(1.16);
}

.portal-grid {
  position: absolute;
  left: 50%;
  bottom: 28px;
  z-index: 4;
  width: min(1180px, calc(100% - 36px));
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.portal-grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.portal-card {
  min-height: 132px;
  display: grid;
  align-content: space-between;
  border-radius: 8px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.94);
  box-shadow: 0 20px 46px rgba(20, 35, 59, 0.12);
  transition: transform 0.26s ease, box-shadow 0.26s ease, background 0.26s ease, border-color 0.26s ease;
}

.portal-card:hover {
  transform: translateY(-5px);
  background: white;
  border-color: rgba(163, 11, 19, 0.18);
  box-shadow: 0 26px 58px rgba(12, 71, 122, 0.18);
}

.portal-card small {
  color: var(--red);
  font-weight: 900;
}

.portal-card strong {
  display: block;
  margin: 10px 0 8px;
  color: var(--blue);
  font-size: 1.25rem;
}

.portal-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.intro-screen {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  background: #0d223b;
  color: white;
  animation: introOut 0.72s ease 1.72s forwards;
}

.intro-mark {
  display: grid;
  justify-items: center;
  gap: 18px;
  animation: introRise 1.35s cubic-bezier(.2, .8, .2, 1) both;
}

.intro-mark img {
  width: 86px;
  height: 86px;
  object-fit: contain;
  border-radius: 50%;
  background: white;
}

.intro-mark strong {
  font-size: clamp(1.7rem, 5vw, 3rem);
  letter-spacing: 0;
}

.scan-line {
  width: min(420px, 70vw);
  height: 2px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.14);
}

.scan-line::after {
  content: "";
  display: block;
  width: 42%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: scan 1.08s ease-in-out infinite;
}

.skip-intro .intro-screen {
  display: none;
}

.page-actions {
  margin-bottom: 24px;
}

.back-home {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 10px 18px;
  background: linear-gradient(135deg, var(--red), var(--brick));
  color: white;
  font-weight: 900;
  box-shadow: 0 16px 32px rgba(136, 65, 59, 0.2);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.back-home:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(136, 65, 59, 0.28);
}

@keyframes introRise {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes introOut {
  to { opacity: 0; visibility: hidden; pointer-events: none; }
}

@keyframes scan {
  from { transform: translateX(-100%); }
  to { transform: translateX(260%); }
}

.page-hero {
  width: min(1180px, calc(100% - 36px));
  margin: 38px auto 0;
  padding: 70px 0 44px;
}

.page-hero h1 {
  max-width: 900px;
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 6vw, 5.2rem);
  line-height: 1.08;
}

.page-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.85;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 34px 0;
}

.section h2 {
  margin-bottom: 22px;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.info-card, .wide-panel {
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 18px 48px rgba(20, 35, 59, 0.08);
}

.info-card {
  min-height: 180px;
  padding: 22px;
}

.info-card small {
  color: var(--red);
  font-weight: 900;
}

.info-card h3 {
  margin: 10px 0 12px;
  color: var(--blue);
  font-size: 1.35rem;
}

.info-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.wide-panel {
  padding: clamp(24px, 4vw, 42px);
}

.home-join {
  scroll-margin-top: 86px;
  padding-top: 72px;
}

.home-join .wide-panel {
  background:
    radial-gradient(circle at top left, rgba(81, 183, 204, 0.18), transparent 34%),
    var(--paper);
}

.join-card-list {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.mini-join-card {
  min-height: 116px;
  display: grid;
  gap: 7px;
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.mini-join-card small {
  color: var(--red);
  font-weight: 900;
}

.mini-join-card strong {
  color: var(--blue);
  font-size: 1.32rem;
}

.mini-join-card span {
  color: var(--muted);
  line-height: 1.55;
}

.film-placeholder {
  margin-top: 18px;
  padding: 38px 18px;
  border-radius: 8px;
  background:
    radial-gradient(circle, rgba(255,255,255,.92) 0 4px, transparent 4.5px) 0 12px / 28px 16px repeat-x,
    radial-gradient(circle, rgba(255,255,255,.92) 0 4px, transparent 4.5px) 0 calc(100% - 12px) / 28px 16px repeat-x,
    #111827;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.film-frame {
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  border: 5px solid white;
  background:
    linear-gradient(135deg, rgba(81, 183, 204, .28), rgba(163, 11, 19, .18)),
    #dceaf2;
  display: grid;
  place-items: center;
  color: var(--blue);
  font-weight: 900;
}

.join-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: center;
}

.qr-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.qr-stack .qr-box {
  padding: 14px;
}

.qr-stack .qr-box img {
  max-height: 190px;
}

.join-hub {
  display: grid;
  gap: 26px;
  background:
    radial-gradient(circle at top left, rgba(81, 183, 204, 0.2), transparent 34%),
    radial-gradient(circle at bottom right, rgba(163, 11, 19, 0.08), transparent 30%),
    var(--paper);
}

.join-hub-head {
  max-width: 780px;
}

.join-hub-head p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.78;
}

.join-directory {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.join-directory-three {
  grid-template-columns: 1fr;
}

.join-org-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-height: 198px;
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(20, 35, 59, 0.07);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.join-org-card:hover {
  transform: translateY(-3px);
  background: white;
  border-color: rgba(81, 183, 204, 0.35);
  box-shadow: 0 22px 46px rgba(12, 71, 122, 0.13);
}

.join-org-card.featured {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(243, 248, 252, 0.86)),
    white;
  border-color: rgba(163, 11, 19, 0.22);
}

.join-qr,
.join-placeholder {
  width: 150px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: white;
  border: 1px solid rgba(12, 71, 122, 0.1);
  overflow: hidden;
}

.join-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.join-placeholder {
  color: var(--blue);
  font-weight: 900;
  background:
    linear-gradient(135deg, rgba(81, 183, 204, 0.12), rgba(163, 11, 19, 0.08)),
    white;
}

.join-info {
  min-width: 0;
}

.join-info small {
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.join-info h3 {
  margin: 6px 0 8px;
  color: var(--blue);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.22;
}

.join-info strong {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin-bottom: 10px;
  border-radius: 999px;
  padding: 7px 12px;
  background: linear-gradient(135deg, var(--red), var(--brick));
  color: white;
  font-size: 1.08rem;
  letter-spacing: 0.03em;
}

.join-info p {
  margin-bottom: 12px;
  color: var(--muted);
  line-height: 1.62;
}

.join-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.join-tags span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 9px;
  background: rgba(12, 71, 122, 0.08);
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
}

.sub-join {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 24px;
  align-items: center;
  background:
    radial-gradient(circle at top right, rgba(163, 11, 19, 0.09), transparent 35%),
    var(--paper);
}

.org-sub-join {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
}

.org-join-mini-list {
  display: grid;
  gap: 12px;
}

.org-join-mini {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  border-radius: 8px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(20, 35, 59, 0.07);
}

.org-join-mini img {
  width: 116px;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 8px;
  background: white;
  border: 1px solid rgba(12, 71, 122, 0.08);
}

.org-join-mini small {
  color: var(--red);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.org-join-mini h3 {
  margin: 5px 0 8px;
  color: var(--blue);
  font-size: 1.25rem;
}

.org-join-mini strong {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border-radius: 999px;
  padding: 6px 12px;
  background: linear-gradient(135deg, var(--red), var(--brick));
  color: white;
  font-size: 1.02rem;
}

.org-join-mini p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.92rem;
}

.qr-box {
  padding: 18px;
  border-radius: 8px;
  background: white;
  border: 1px solid var(--line);
  text-align: center;
}

.qr-box img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}

.qr-box.compact {
  max-width: 260px;
  justify-self: end;
}

.placeholder-join {
  min-height: 180px;
  border-radius: 8px;
  border: 1px dashed rgba(12, 71, 122, 0.28);
  background:
    linear-gradient(135deg, rgba(81, 183, 204, 0.14), rgba(163, 11, 19, 0.09)),
    rgba(255, 255, 255, 0.72);
  display: grid;
  place-items: center;
  color: var(--blue);
  text-align: center;
  font-size: 1.22rem;
  font-weight: 900;
  line-height: 1.7;
}

.button-row {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--red), var(--brick));
  color: white;
  font-weight: 900;
  box-shadow: 0 16px 32px rgba(136, 65, 59, 0.24);
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 38px rgba(136, 65, 59, 0.28);
}

.button.secondary {
  background: white;
  color: var(--blue);
  border: 1px solid var(--line);
  box-shadow: none;
}

.dept-stack {
  display: grid;
  gap: 22px;
}

.department-detail {
  content-visibility: auto;
  contain-intrinsic-size: 560px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(340px, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: center;
  border-radius: 8px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(244, 248, 251, 0.88)),
    var(--paper);
  box-shadow: 0 20px 52px rgba(20, 35, 59, 0.08);
  padding: clamp(22px, 4vw, 36px);
}

.detail-copy small,
.org-body small {
  color: var(--red);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.detail-copy h3,
.org-body h3 {
  margin: 10px 0 14px;
  color: var(--blue);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.14;
}

.lead-text {
  color: var(--red);
  font-weight: 900;
  line-height: 1.7;
}

.detail-copy p,
.org-body p,
.org-section-list p {
  color: var(--muted);
  line-height: 1.78;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tag-row span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(12, 71, 122, 0.08);
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 900;
}

.quick-dept-nav {
  position: sticky;
  top: 82px;
  z-index: 12;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  margin-bottom: 24px;
  border-radius: 999px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 32px rgba(20, 35, 59, 0.08);
}

.quick-dept-nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 8px 15px;
  color: var(--blue);
  background: white;
  border: 1px solid var(--line);
  font-weight: 900;
  transition: transform 0.22s ease, color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.quick-dept-nav a:hover {
  transform: translateY(-2px);
  color: white;
  background: linear-gradient(135deg, var(--red), var(--brick));
  box-shadow: 0 14px 28px rgba(136, 65, 59, 0.2);
}

.undergrad-stack {
  gap: 28px;
}

.undergrad-dept {
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  scroll-margin-top: 140px;
}

.filmstrip {
  position: relative;
  overflow: hidden;
  min-height: 306px;
  border-radius: 8px;
  padding: 34px 0;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.95) 0 4px, transparent 4.6px) 10px 12px / 30px 16px repeat-x,
    radial-gradient(circle, rgba(255, 255, 255, 0.95) 0 4px, transparent 4.6px) 10px calc(100% - 12px) / 30px 16px repeat-x,
    linear-gradient(135deg, #111827, #1f2937);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 18px 42px rgba(20, 35, 59, 0.14);
}

.filmstrip::after {
  content: "";
  position: absolute;
  inset: 24px 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(17, 24, 39, 0.96), transparent 12%, transparent 88%, rgba(17, 24, 39, 0.96)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 22%, transparent 78%, rgba(0, 0, 0, 0.18));
}

.filmstrip:hover {
  box-shadow: inset 0 0 0 1px rgba(81, 183, 204, 0.22), 0 24px 56px rgba(12, 71, 122, 0.2);
}

.film-reel {
  display: flex;
  gap: 16px;
  align-items: center;
  will-change: transform;
  transition: transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
}

.film-reel.no-transition {
  transition: none;
}

.film-slide {
  flex: 0 0 clamp(230px, 34vw, 390px);
  height: 236px;
  margin: 0;
  border-radius: 6px;
  padding: 8px;
  background: white;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.28);
  transform: translateY(0) scale(1);
  transition: transform 0.34s ease, filter 0.34s ease, box-shadow 0.34s ease;
}

.film-slide img {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  object-fit: cover;
}

.filmstrip:hover .film-slide {
  filter: saturate(0.96) brightness(0.9);
}

.filmstrip:hover .film-slide:hover {
  position: relative;
  z-index: 2;
  transform: translateY(-8px) scale(1.025);
  filter: saturate(1.08) brightness(1.04);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.36);
}

.photo-carousel {
  --slide-width: min(68%, 430px);
  --reel-a: #183d56;
  --reel-b: #285f70;
  --reel-glow: rgba(81, 183, 204, 0.2);
  --reel-hole: rgba(246, 251, 252, 0.9);
  min-width: 0;
  align-self: center;
  position: relative;
  border-radius: 8px;
  background:
    radial-gradient(circle at top left, var(--reel-glow), transparent 34%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1), transparent 18%, transparent 82%, rgba(255, 255, 255, 0.1)),
    linear-gradient(135deg, var(--reel-a), var(--reel-b));
  border: 1px solid rgba(12, 71, 122, 0.14);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.14),
    0 18px 44px rgba(20, 35, 59, 0.14);
  overflow: hidden;
  perspective: 1200px;
  touch-action: pan-y;
  contain: layout paint;
}

.graduate-carousel {
  --slide-width: min(70%, 440px);
}

.graduate-carousel-blue {
  --reel-a: #1f4562;
  --reel-b: #56758a;
  --reel-glow: rgba(181, 218, 229, 0.22);
}

.graduate-carousel-cyan {
  --reel-a: #1d4f63;
  --reel-b: #4b8b92;
  --reel-glow: rgba(122, 211, 218, 0.2);
}

.graduate-carousel-rose {
  --reel-a: #4b3a4a;
  --reel-b: #8a6870;
  --reel-glow: rgba(190, 141, 153, 0.22);
}

.graduate-carousel-red {
  --reel-a: #55373a;
  --reel-b: #8d5c58;
  --reel-glow: rgba(185, 110, 105, 0.2);
}

.organization-stack {
  gap: 28px;
}

.organization-dept {
  grid-template-columns: minmax(300px, 0.86fr) minmax(0, 1.14fr);
  scroll-margin-top: 140px;
}

.organization-carousel {
  --slide-width: min(70%, 420px);
}

.organization-carousel-innovation {
  --reel-a: #1f4b5c;
  --reel-b: #557987;
  --reel-glow: rgba(96, 205, 217, 0.2);
}

.organization-carousel-volunteer {
  --reel-a: #294863;
  --reel-b: #5a7e8b;
  --reel-glow: rgba(120, 202, 216, 0.2);
}

.photo-carousel::before,
.photo-carousel::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 18px;
  z-index: 3;
  pointer-events: none;
  background:
    radial-gradient(circle, var(--reel-hole) 0 4px, transparent 4.5px) 0 50% / 28px 16px repeat-x,
    linear-gradient(90deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
  opacity: 0.82;
}

.photo-carousel::before {
  top: 10px;
}

.photo-carousel::after {
  bottom: 10px;
}

.carousel-track {
  display: grid;
  grid-template-areas: "stage";
  place-items: center;
  padding: 52px 18px;
  overflow: hidden;
  cursor: default;
  touch-action: pan-y;
  user-select: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.11), transparent 22%, transparent 78%, rgba(0, 0, 0, 0.08));
}

.carousel-track::before {
  content: "";
  grid-area: stage;
  width: var(--slide-width);
  aspect-ratio: 4 / 3;
  pointer-events: none;
}

.photo-carousel:hover .carousel-track {
  cursor: ew-resize;
}

.slide {
  grid-area: stage;
  width: var(--slide-width);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 6px;
  background: #dceaf2;
  border: 5px solid rgba(255, 255, 255, 0.9);
  box-shadow:
    0 10px 20px rgba(20, 35, 59, 0.22),
    inset 0 0 0 1px rgba(0, 0, 0, 0.1);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transform: translateY(10px) scale(0.78);
  transition: transform 0.46s ease, box-shadow 0.46s ease, opacity 0.46s ease, visibility 0.46s ease;
  touch-action: pan-y;
  will-change: transform, opacity;
  backface-visibility: hidden;
  contain: paint;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform 0.65s ease;
}

.org-text-slide {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  padding: 28px;
  text-align: center;
  background:
    radial-gradient(circle at top left, rgba(81, 183, 204, 0.18), transparent 34%),
    linear-gradient(135deg, #f8fcfd, #eef6f8);
  color: var(--text);
}

.org-text-slide strong {
  color: var(--blue);
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.2;
}

.org-text-slide span {
  max-width: 320px;
  color: var(--muted);
  line-height: 1.7;
}

.slide.is-neighbor {
  opacity: 0.68;
  pointer-events: auto;
  visibility: visible;
  z-index: 1;
}

.slide.is-prev {
  transform: translateX(-58%) translateY(4px) scale(0.86);
}

.slide.is-next {
  transform: translateX(58%) translateY(4px) scale(0.86);
}

.slide.is-active {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transform: translateY(-2px) scale(1);
  box-shadow:
    0 20px 36px rgba(20, 35, 59, 0.28),
    0 0 0 1px rgba(81, 183, 204, 0.32),
    inset 0 0 0 1px rgba(0, 0, 0, 0.08);
  z-index: 2;
}

.photo-carousel.is-paused .slide:not(.is-active):not(.is-neighbor) {
  opacity: 0.24;
}

.photo-carousel.is-paused .slide:hover {
  transform: translateY(-8px) scale(0.92);
  opacity: 0.82;
  box-shadow:
    0 18px 30px rgba(20, 35, 59, 0.28),
    0 0 0 1px rgba(81, 183, 204, 0.28);
}

.photo-carousel.is-paused .slide.is-active:hover {
  transform: translateY(-10px) scale(1.035);
  opacity: 1;
}

.photo-carousel.is-paused .slide.is-prev:hover {
  transform: translateX(-58%) translateY(-8px) scale(0.9);
}

.photo-carousel.is-paused .slide.is-next:hover {
  transform: translateX(58%) translateY(-8px) scale(0.9);
}

.photo-carousel.is-paused .slide:hover img {
  transform: scale(1.075);
}

.photo-carousel.is-stepping .slide.is-active {
  animation: filmPulse 0.72s cubic-bezier(.2, .8, .2, 1);
}

@keyframes filmPulse {
  0% { transform: translateY(0) scale(1); }
  42% { transform: translateY(-7px) scale(1.02); }
  100% { transform: translateY(-2px) scale(1); }
}

.image-mosaic {
  min-height: 330px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  grid-template-rows: repeat(2, minmax(130px, 1fr));
  gap: 10px;
}

.image-mosaic img {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 14px 34px rgba(20, 35, 59, 0.13);
}

.image-mosaic img:first-child {
  grid-row: span 2;
}

.image-mosaic-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: 1fr;
  min-height: 280px;
}

.image-mosaic-two img:first-child {
  grid-row: auto;
}

.org-detail-grid {
  display: grid;
  gap: 22px;
}

.org-detail-card {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 220px;
  gap: 22px;
  align-items: stretch;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 20px 52px rgba(20, 35, 59, 0.08);
  padding: clamp(18px, 3vw, 26px);
}

.org-cover {
  min-height: 270px;
  overflow: hidden;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: white;
  border: 1px solid rgba(12, 71, 122, 0.08);
}

.org-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.org-cover-gradient {
  align-content: end;
  justify-items: start;
  padding: 24px;
  color: white;
  background:
    linear-gradient(135deg, rgba(12, 71, 122, 0.95), rgba(81, 183, 204, 0.78)),
    #0c477a;
}

.org-cover-gradient strong {
  font-size: 2rem;
  line-height: 1.15;
}

.org-cover-gradient span {
  margin-top: 10px;
  line-height: 1.6;
  opacity: 0.9;
}

.org-section-list {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.org-section-list p {
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid rgba(81, 183, 204, 0.35);
}

.org-join-box {
  display: grid;
  align-content: start;
  gap: 10px;
  border-radius: 8px;
  padding: 14px;
  background:
    linear-gradient(180deg, rgba(81, 183, 204, 0.12), rgba(163, 11, 19, 0.08)),
    white;
  border: 1px solid var(--line);
  text-align: center;
}

.org-join-box img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 8px;
  background: white;
}

.org-join-box strong {
  color: var(--blue);
  font-size: 1.08rem;
}

.org-join-box span {
  color: var(--red);
  font-size: 1.32rem;
  font-weight: 900;
}

footer {
  width: min(1180px, calc(100% - 36px));
  margin: 30px auto 0;
  padding: 34px 0 46px;
  color: rgba(20, 35, 59, 0.5);
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .site-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .identity-actions {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding-bottom: 420px;
  }

  .portal-grid {
    grid-template-columns: 1fr 1fr;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .join-layout,
  .sub-join {
    grid-template-columns: 1fr;
  }

  .department-detail,
  .org-detail-card {
    grid-template-columns: 1fr;
  }

  .organization-dept {
    grid-template-columns: 1fr;
  }

  .quick-dept-nav {
    top: 128px;
    border-radius: 8px;
  }

  .image-mosaic {
    min-height: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .image-mosaic img {
    min-height: 180px;
  }

  .image-mosaic img:first-child {
    grid-row: auto;
  }

  .join-card-list {
    grid-template-columns: 1fr;
  }

  .join-directory {
    grid-template-columns: 1fr;
  }

  .qr-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .qr-box.compact {
    justify-self: start;
  }

  .org-join-box {
    max-width: 300px;
  }
}

@media (max-width: 560px) {
  .hero-inner, .page-hero, .section, .site-nav, footer {
    width: min(100% - 28px, 1180px);
  }

  .hero-title {
    font-size: clamp(2.45rem, 12vw, 4rem);
  }

  .entry-hero .hero-inner {
    padding-bottom: 58px;
  }

  .identity-card {
    min-height: 154px;
    padding: 20px;
  }

  .portal-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding-bottom: 650px;
  }

  .film-placeholder {
    grid-template-columns: 1fr;
  }

  .image-mosaic,
  .image-mosaic-two,
  .qr-stack {
    grid-template-columns: 1fr;
  }

  .quick-dept-nav {
    position: static;
    border-radius: 8px;
  }

  .filmstrip {
    min-height: 272px;
  }

  .film-slide {
    flex-basis: min(76vw, 330px);
    height: 206px;
  }

  .photo-carousel {
    --slide-width: 76%;
  }

  .carousel-track {
    padding-top: 46px;
    padding-bottom: 46px;
  }

  .slide {
    border-width: 4px;
  }

  .slide.is-prev {
    transform: translateX(-56%) translateY(4px) scale(0.84);
  }

  .slide.is-next {
    transform: translateX(56%) translateY(4px) scale(0.84);
  }

  .photo-carousel.is-paused .slide.is-prev:hover {
    transform: translateX(-56%) translateY(-8px) scale(0.88);
  }

  .photo-carousel.is-paused .slide.is-next:hover {
    transform: translateX(56%) translateY(-8px) scale(0.88);
  }

  .join-org-card {
    grid-template-columns: 118px minmax(0, 1fr);
    padding: 12px;
  }

  .org-join-mini {
    grid-template-columns: 96px minmax(0, 1fr);
    padding: 12px;
  }

  .org-join-mini img {
    width: 96px;
  }

  .join-qr,
  .join-placeholder {
    width: 118px;
  }

  .nav-links {
    width: 100%;
    border-radius: 8px;
  }

  .nav-links a {
    padding-inline: 13px;
  }
}