:root {
  color-scheme: light;
  --bg: #f6f3ee;
  --surface: #fffdfa;
  --surface-soft: #ebe7df;
  --surface-ink: #141615;
  --text: #161817;
  --muted: #6e716d;
  --line: #d9d3c8;
  --accent: #df5537;
  --accent-2: #007f7a;
  --accent-3: #b3871f;
  --glass: rgba(255, 253, 250, 0.78);
  --shadow: 0 24px 70px rgba(27, 28, 25, 0.14);
  --soft-shadow: 0 12px 34px rgba(27, 28, 25, 0.1);
  --radius: 8px;
  --radius-sm: 6px;
  --header-height: 72px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101211;
  --surface: #191c1a;
  --surface-soft: #232723;
  --surface-ink: #f4f1ea;
  --text: #f3f0e9;
  --muted: #a8aaa4;
  --line: #30352f;
  --accent: #ff755d;
  --accent-2: #4ac3b8;
  --accent-3: #d7ad3a;
  --glass: rgba(25, 28, 26, 0.78);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --soft-shadow: 0 14px 34px rgba(0, 0, 0, 0.26);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent-2), transparent 92%), transparent 340px),
    linear-gradient(90deg, color-mix(in srgb, var(--accent), transparent 94%), transparent 48%),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

.site-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  padding: 14px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid color-mix(in srgb, var(--line), transparent 18%);
  background: color-mix(in srgb, var(--bg), transparent 9%);
  backdrop-filter: blur(22px) saturate(1.08);
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--surface-ink), transparent 76%);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent), transparent 12%), var(--surface-ink));
  color: var(--bg);
  font-weight: 850;
  letter-spacing: 0;
}

.brand-copy {
  display: grid;
  min-width: 0;
  gap: 1px;
}

.brand-copy strong {
  overflow: hidden;
  font-size: 0.98rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-copy span {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid color-mix(in srgb, var(--line), transparent 8%);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface), transparent 16%);
  box-shadow: 0 8px 24px rgba(27, 28, 25, 0.06);
}

.main-nav a {
  min-width: 64px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  text-decoration: none;
}

.main-nav a:hover {
  background: var(--surface);
  color: var(--text);
}

.icon-button {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--line), transparent 8%);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface), transparent 7%);
  color: var(--text);
  font-size: 1.14rem;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.icon-button:hover {
  border-color: color-mix(in srgb, var(--accent-2), var(--line) 35%);
  background: var(--surface);
  transform: translateY(-1px);
}

.gallery-layout {
  display: grid;
  grid-template-columns: minmax(320px, 410px) minmax(0, 1fr);
  min-height: calc(100vh - var(--header-height));
}

.city-sidebar {
  position: sticky;
  top: var(--header-height);
  align-self: start;
  height: calc(100vh - var(--header-height));
  overflow: auto;
  padding: clamp(20px, 3vw, 34px);
  border-right: 1px solid color-mix(in srgb, var(--line), transparent 12%);
  background: color-mix(in srgb, var(--bg), transparent 8%);
}

.intro-block {
  display: grid;
  gap: 13px;
  margin-bottom: 24px;
}

.kicker,
.section-label,
.cover-meta,
.photo-eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.intro-block h1 {
  margin: 0;
  max-width: 12.5em;
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 2.35rem;
  font-weight: 680;
  line-height: 1.02;
}

.intro-block p:last-child {
  margin: 0;
  color: var(--muted);
}

.search-box {
  display: block;
  margin-bottom: 14px;
}

.search-box input {
  width: 100%;
  min-height: 50px;
  padding: 0 15px;
  border: 1px solid color-mix(in srgb, var(--line), transparent 5%);
  border-radius: var(--radius);
  outline: none;
  background: var(--glass);
  color: var(--text);
  box-shadow: 0 8px 22px rgba(27, 28, 25, 0.05);
}

.search-box input:focus {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-2), transparent 82%);
}

.region-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-bottom: 18px;
  padding: 4px;
  border: 1px solid color-mix(in srgb, var(--line), transparent 8%);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface-soft), transparent 26%);
}

.tab-button {
  min-height: 38px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
}

.tab-button.is-active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 8px 18px rgba(27, 28, 25, 0.09);
}

.city-list {
  display: grid;
  gap: 10px;
}

.city-button {
  position: relative;
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr) auto;
  gap: 12px;
  width: 100%;
  min-height: 84px;
  align-items: center;
  padding: 9px;
  border: 1px solid color-mix(in srgb, var(--line), transparent 18%);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface), transparent 22%);
  color: inherit;
  text-align: left;
  box-shadow: 0 10px 24px rgba(27, 28, 25, 0.05);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.city-button::after {
  position: absolute;
  inset: 10px auto 10px 0;
  width: 3px;
  border-radius: 999px;
  background: transparent;
  content: "";
}

.city-button:hover,
.city-button[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--accent), var(--line) 34%);
  background: color-mix(in srgb, var(--surface), transparent 4%);
  box-shadow: var(--soft-shadow);
  transform: translateX(2px);
}

.city-button[aria-pressed="true"]::after {
  background: var(--accent);
}

.city-button-thumb {
  width: 68px;
  height: 68px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.city-button-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 240ms ease;
}

.city-button:hover .city-button-thumb img,
.city-button[aria-pressed="true"] .city-button-thumb img {
  transform: scale(1.05);
}

.city-button-main {
  display: grid;
  min-width: 0;
  gap: 6px;
}

.city-button-top {
  display: flex;
  min-width: 0;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.city-button-name {
  overflow: hidden;
  font-size: 1.05rem;
  font-weight: 850;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.city-button-meta {
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.city-button-tags {
  display: flex;
  min-width: 0;
  gap: 6px;
  overflow: hidden;
}

.city-button-tags span {
  min-width: 0;
  overflow: hidden;
  padding: 3px 7px;
  border: 1px solid color-mix(in srgb, var(--line), transparent 8%);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.72rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.city-button-index {
  align-self: start;
  color: color-mix(in srgb, var(--muted), transparent 18%);
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 1.02rem;
}

.photo-workspace {
  min-width: 0;
  padding: clamp(18px, 4vw, 54px);
}

.city-cover {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--line), transparent 45%);
  border-radius: var(--radius);
  background: var(--surface-ink);
  box-shadow: var(--shadow);
  isolation: isolate;
}

.city-cover::after {
  position: absolute;
  inset: auto 0 0 0;
  height: 42%;
  background: linear-gradient(0deg, rgba(5, 7, 7, 0.64), transparent);
  content: "";
  pointer-events: none;
}

.city-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
}

.cover-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 8, 8, 0.74), rgba(6, 8, 8, 0.2) 58%, rgba(6, 8, 8, 0.3)),
    linear-gradient(180deg, rgba(6, 8, 8, 0.12), rgba(6, 8, 8, 0.5));
}

.cover-content {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 560px;
  max-width: 720px;
  flex-direction: column;
  justify-content: flex-end;
  gap: 15px;
  padding: 46px;
  color: #fff;
}

.cover-content h2 {
  margin: 0;
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 5.8rem;
  font-weight: 650;
  line-height: 0.9;
}

.cover-content p {
  margin: 0;
  max-width: 35em;
}

.cover-count {
  position: absolute;
  right: 22px;
  bottom: 18px;
  z-index: 1;
  color: rgba(255, 255, 255, 0.28);
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 10rem;
  line-height: 0.8;
}

.tag-row,
.mini-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 9px;
  border: 1px solid color-mix(in srgb, currentColor, transparent 70%);
  border-radius: 999px;
  color: inherit;
  font-size: 0.76rem;
  line-height: 1;
}

.workspace-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 38px 0 18px;
}

.workspace-toolbar h3 {
  margin: 3px 0 0;
  font-size: 1.55rem;
}

.sort-button {
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid color-mix(in srgb, var(--line), transparent 8%);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface), transparent 5%);
  color: var(--text);
  box-shadow: 0 8px 22px rgba(27, 28, 25, 0.06);
}

.sort-button:hover {
  border-color: var(--accent-2);
}

.photo-grid {
  columns: 292px;
  column-gap: clamp(14px, 1.7vw, 22px);
}

.photo-card {
  display: inline-block;
  width: 100%;
  margin: 0 0 clamp(14px, 1.7vw, 22px);
  break-inside: avoid;
}

.photo-open {
  display: block;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--line), transparent 12%);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface), transparent 2%);
  color: inherit;
  text-decoration: none;
  box-shadow: var(--soft-shadow);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.photo-open:hover {
  border-color: color-mix(in srgb, var(--accent-2), var(--line) 24%);
  box-shadow: 0 24px 54px rgba(27, 28, 25, 0.18);
  transform: translateY(-4px);
}

.photo-open img {
  width: 100%;
  height: auto;
  background: var(--surface-soft);
}

.photo-card.is-portrait .photo-open {
  border-color: color-mix(in srgb, var(--accent-3), var(--line) 56%);
}

.photo-card-body {
  display: grid;
  gap: 10px;
  padding: 13px 13px 14px;
}

.photo-card-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}

.photo-card-body h4 {
  margin: 0;
  font-size: 1.02rem;
}

.photo-index {
  color: color-mix(in srgb, var(--muted), transparent 24%);
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 1rem;
}

.mini-tags .tag {
  color: var(--muted);
}

.archive-band {
  display: grid;
  grid-template-columns: 150px 150px minmax(0, 1fr);
  gap: 18px;
  padding: 38px clamp(18px, 4vw, 54px) 50px;
  border-top: 1px solid color-mix(in srgb, var(--line), transparent 10%);
}

.archive-stat,
.archive-note {
  border: 1px solid color-mix(in srgb, var(--line), transparent 10%);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface), transparent 12%);
}

.archive-stat {
  display: grid;
  min-height: 126px;
  align-content: center;
  justify-items: center;
}

.archive-stat span {
  font-size: 2.3rem;
  font-weight: 850;
}

.archive-stat p,
.archive-note p,
.archive-note h2 {
  margin: 0;
}

.archive-note {
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 24px;
}

.archive-note h2 {
  font-size: 1.35rem;
}

.archive-note p {
  color: var(--muted);
}

.pswp__custom-caption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  display: grid;
  max-width: 760px;
  gap: 4px;
  margin: 0 auto;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(13, 15, 15, 0.72);
  color: #fff;
  backdrop-filter: blur(14px);
  pointer-events: none;
}

.pswp__custom-caption p,
.pswp__custom-caption span {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
}

.pswp__custom-caption strong {
  font-size: 1rem;
}

.image-missing {
  min-height: 220px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent), transparent 76%), transparent),
    var(--surface-soft);
}

.empty-state {
  margin: 0;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (min-width: 1500px) {
  .photo-grid {
    columns: 330px;
  }
}

@media (max-width: 1200px) {
  .gallery-layout {
    grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  }

  .cover-content h2 {
    font-size: 4.5rem;
  }

  .cover-count {
    font-size: 8rem;
  }
}

@media (max-width: 980px) {
  .topbar {
    gap: 12px;
  }

  .main-nav {
    display: none;
  }

  .gallery-layout {
    display: block;
  }

  .city-sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .intro-block h1 {
    max-width: 18em;
    font-size: 1.85rem;
  }

  .city-list {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .city-button:hover,
  .city-button[aria-pressed="true"] {
    transform: translateY(-1px);
  }

  .city-cover,
  .cover-content {
    min-height: 420px;
  }

  .cover-content h2 {
    font-size: 3.6rem;
  }

  .archive-band {
    grid-template-columns: 1fr 1fr;
  }

  .archive-note {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 66px;
  }

  .topbar {
    padding-inline: 14px;
  }

  .brand-copy span {
    display: none;
  }

  .brand-mark,
  .icon-button {
    width: 38px;
    height: 38px;
  }

  .photo-workspace,
  .city-sidebar {
    padding: 16px;
  }

  .intro-block h1 {
    font-size: 1.48rem;
  }

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

  .city-button {
    grid-template-columns: 60px minmax(0, 1fr) auto;
    min-height: 76px;
  }

  .city-button-thumb {
    width: 60px;
    height: 60px;
  }

  .city-button-tags {
    display: none;
  }

  .city-cover,
  .cover-content {
    min-height: 360px;
  }

  .cover-content {
    padding: 22px;
  }

  .cover-content h2 {
    font-size: 2.8rem;
  }

  .cover-count {
    display: none;
  }

  .workspace-toolbar {
    align-items: stretch;
    flex-direction: column;
    margin-top: 24px;
  }

  .photo-grid {
    columns: 1;
  }

  .archive-band {
    grid-template-columns: 1fr;
    padding-inline: 16px;
  }

  .archive-note {
    grid-column: auto;
  }

  .pswp__custom-caption {
    bottom: 10px;
  }
}