:root {
  --page: #edf8fb;
  --panel: #ffffff;
  --text: #193544;
  --muted: #6a8492;
  --line: #d6e9ef;
  --blue: #128bd0;
  --blue-dark: #086b9d;
  --cyan: #35c4d1;
  --mint: #73d7bc;
  --green: #19a873;
  --danger: #cf4b4b;
  --soft: #f7fcfe;
  --shadow: 0 10px 28px rgba(29, 94, 128, 0.09);
  --radius: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 14% -10%, rgba(72, 204, 218, 0.20), transparent 28rem),
    linear-gradient(180deg, #f4fdff 0, var(--page) 32rem, #f8fcfd 100%);
  color: var(--text);
  font-family: "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;
  font-size: 14px;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { border: 0; cursor: pointer; }
img { max-width: 100%; }
.wrap { width: min(1200px, calc(100% - 28px)); margin: 0 auto; }

.site-top {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(214, 233, 239, 0.9);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 4px 16px rgba(37, 86, 116, 0.08);
  backdrop-filter: blur(12px);
}
.top-inner {
  display: grid;
  grid-template-columns: 250px 1fr minmax(220px, 300px) auto;
  gap: 14px;
  align-items: center;
  min-height: 82px;
  overflow: visible;
}
.brand {
  display: flex;
  align-items: center;
  position: relative;
  z-index: 2;
  width: 250px;
  height: 74px;
  min-width: 0;
  overflow: visible;
}
.brand img {
  display: block;
  width: 250px;
  height: 74px;
  max-width: none;
  object-fit: contain;
  object-position: left center;
}
.main-nav { display: flex; align-items: center; gap: 8px; min-width: 0; }
.main-nav > a,
.nav-group {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 6px;
  color: #294858;
  font-size: 15.5px;
  font-weight: 800;
  white-space: nowrap;
}
.main-nav > a:hover,
.nav-group:hover {
  color: #fff;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
}
.nav-group i {
  width: 0;
  height: 0;
  margin-left: 6px;
  border: 4px solid transparent;
  border-top-color: currentColor;
  transform: translateY(2px);
}
.drop {
  position: absolute;
  top: calc(100% - 1px);
  left: 0;
  display: none;
  grid-template-columns: repeat(2, minmax(82px, 1fr));
  gap: 8px;
  width: 238px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}
.nav-group:hover .drop { display: grid; }
.drop a,
.cat-panel a {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid #e8f2f6;
  border-radius: 6px;
  background: #f7fbfd;
  color: #344b57;
  line-height: 30px;
}
.drop a:hover,
.cat-panel a:hover {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
}
.search {
  display: flex;
  height: 38px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
}
.search input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: 0;
  padding: 0 14px;
  background: transparent;
}
.search button {
  width: 72px;
  color: #fff;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  font-weight: 900;
}
.member-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.member-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid var(--blue);
  border-radius: 999px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  color: #fff;
  font-weight: 900;
  white-space: nowrap;
}
.member-link.soft {
  border-color: var(--line);
  background: #f7fcfe;
  color: var(--blue-dark);
}

.page { padding-top: 18px; }
.hero {
  position: relative;
  overflow: hidden;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(238, 253, 248, .92), rgba(216, 243, 249, .82), rgba(238, 253, 248, .92)),
    linear-gradient(135deg, #c8eef8, #eefdf8);
  box-shadow: var(--shadow);
  aspect-ratio: 2.5 / 1;
  cursor: grab;
  touch-action: pan-y;
}
.hero.is-dragging {
  cursor: grabbing;
}
.hero-track {
  display: flex;
  width: 100%;
  height: 100%;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}
.hero-slide,
.hero-empty {
  position: relative;
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
}
.hero-slide {
  overflow: hidden;
  user-select: none;
}
.hero-slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  pointer-events: none;
}
.hero-slide span {
  display: none;
}
.hero-empty {
  display: grid;
  place-items: center;
  text-align: center;
}
.hero-empty h1 { margin: 0; color: var(--blue-dark); font-size: 42px; }
.hero-empty p { margin: 12px 0 0; color: var(--muted); }
.hero-arrow {
  position: absolute;
  top: 50%;
  z-index: 5;
  width: 52px;
  height: 140px;
  opacity: 0;
  transform: translateY(-50%);
  border: 1px solid rgba(255, 255, 255, .28);
  background: rgba(12, 45, 65, .34);
  backdrop-filter: blur(3px);
  transition: opacity 180ms ease, background 180ms ease, transform 180ms ease;
}
.hero:hover .hero-arrow,
.hero:focus-within .hero-arrow {
  opacity: 1;
}
.hero-arrow:hover {
  background: rgba(12, 45, 65, .52);
}
.hero-arrow-left {
  left: 0;
  border-radius: 0 7px 7px 0;
}
.hero-arrow-right {
  right: 0;
  border-radius: 7px 0 0 7px;
}
.hero-arrow::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 22px;
  height: 22px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
}
.hero-arrow-left::before {
  transform: translate(-35%, -50%) rotate(-135deg);
}
.hero-arrow-right::before {
  transform: translate(-65%, -50%) rotate(45deg);
}

@media (prefers-reduced-motion: reduce) {
  .hero-track {
    transition: none;
  }
}

.cat-panel,
.block,
.detail,
.admin-card,
.login-box,
.admin-head,
.stats {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}
.cat-panel {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 10px 14px;
  margin-bottom: 14px;
  padding: 14px 16px;
}
.cat-panel b { color: var(--blue-dark); line-height: 32px; }
.cat-panel div { display: flex; flex-wrap: wrap; gap: 8px; }
.block { margin-bottom: 14px; padding: 16px; }
.block-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.block-head h1,
.block-head h2 { margin: 0; color: #1d3644; font-size: 22px; }
.block-head a,
.block-head span { color: var(--blue-dark); font-weight: 900; }
.grid {
  display: grid;
  gap: 14px;
}
.desktop-grid,
.mobile-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.home-desktop-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.home-mobile-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 14px;
}
.latest-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid #e8f3f7;
}
.latest-row:first-of-type {
  padding-top: 0;
  border-top: 0;
}
.latest-row-title {
  display: none;
}
.latest-desktop-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.latest-mobile-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.wall-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}
.wall-card:hover {
  transform: translateY(-3px);
  border-color: var(--blue);
  box-shadow: 0 12px 24px rgba(21, 136, 216, 0.16);
}
.wall-thumb {
  position: relative;
  display: block;
  overflow: hidden;
  background: #dcebf1;
}
.wall-thumb b {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 46px;
  height: 46px;
  padding: 5px 0 0 4px;
  clip-path: polygon(0 0, 100% 0, 0 100%);
  background: linear-gradient(135deg, #ff7638 0%, #ff4c2e 100%);
  color: #fff;
  font-size: 12px;
  line-height: 1.1;
  text-align: left;
  text-shadow: 0 1px 2px rgba(100, 22, 12, .35);
  box-shadow: none;
  writing-mode: horizontal-tb;
}
.wall-info {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 28px 12px 10px;
  color: #fff;
  background: linear-gradient(180deg, rgba(5, 27, 41, 0) 0%, rgba(5, 27, 41, .78) 50%, rgba(5, 27, 41, .92) 100%);
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
  transition: opacity 180ms ease, transform 180ms ease;
}
.wall-info strong,
.wall-info em {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .42);
  white-space: nowrap;
}
.wall-info strong {
  font-size: 14px;
  font-weight: 900;
  line-height: 1.25;
}
.wall-info em {
  font-size: 12px;
  font-style: normal;
  line-height: 1.2;
  opacity: .9;
}
.wall-card:hover .wall-info,
.wall-card:focus-within .wall-info {
  opacity: 1;
  transform: translateY(0);
}
.wall-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 180ms ease;
}
.wall-card:hover img { transform: scale(1.035); }
.mobile-grid .wall-card img,
.home-mobile-row .wall-card img,
.latest-mobile-row .wall-card img,
.wall-card.mobile img { aspect-ratio: 9 / 13; }
.wall-title {
  display: none;
  overflow: hidden;
  padding: 10px 10px 4px;
  color: #203b49;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.wall-card small {
  display: none;
  overflow: hidden;
  padding: 0 10px 12px;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.empty,
.empty-page {
  grid-column: 1 / -1;
  padding: 22px;
  border: 1px dashed #b8ccd8;
  border-radius: var(--radius);
  background: var(--soft);
  color: var(--muted);
}
.pager {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.pager a {
  min-width: 36px;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: #344b57;
  line-height: 32px;
  text-align: center;
}
.pager a.active,
.pager a:hover { color: #fff; border-color: var(--blue); background: var(--blue); }

.detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 16px;
  margin-bottom: 14px;
  padding: 16px;
}
.detail.mobile-detail { grid-template-columns: minmax(0, 1fr) 210px; }
.detail-photo {
  display: grid;
  min-height: 500px;
  place-items: center;
  border-radius: var(--radius);
  background: #e6edf2;
}
.mobile-detail .detail-photo { min-height: 720px; }
.detail-photo img {
  display: block;
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
}
.detail-side h1 { margin: 0 0 10px; font-size: 22px; line-height: 1.35; }
.detail-side p { margin: 0 0 12px; color: var(--muted); }
.detail-side dl {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 8px;
  margin: 0 0 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.detail-side dt { color: var(--muted); }
.detail-side dd { margin: 0; color: #23404e; font-weight: 900; }
.download,
.outline {
  display: grid;
  min-height: 40px;
  margin-bottom: 10px;
  place-items: center;
  border-radius: 6px;
  font-weight: 900;
}
.download { color: #fff; background: linear-gradient(180deg, var(--green), #0b8d60); }
.outline { color: var(--blue-dark); border: 1px solid var(--line); background: var(--soft); }
.footer {
  margin-top: 26px;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}
.footer .wrap { padding: 24px 0; }
.back-top {
  position: fixed;
  right: 22px;
  bottom: 24px;
  z-index: 50;
  display: none;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 6px;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 8px 18px rgba(21, 136, 216, 0.24);
}
.back-top.show { display: block; }

.admin-page { background: #eef8fb; }
.login-box {
  width: min(430px, calc(100% - 28px));
  margin: 10vh auto;
  padding: 24px;
}
.login-box h1 { margin: 0 0 18px; }
.member-card {
  width: min(620px, 100%);
  margin: 28px auto;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .96);
  box-shadow: var(--shadow);
}
.member-copy h1 {
  margin: 0 0 10px;
  color: #1d3644;
  font-size: 28px;
}
.member-copy p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.7;
}
.member-form {
  display: grid;
  gap: 14px;
}
.member-form label {
  display: grid;
  gap: 7px;
  color: #294858;
  font-weight: 900;
}
.member-form input {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  outline: 0;
  background: #fff;
}
.member-form input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 196, 209, .15);
}
.member-form button,
.member-actions a {
  min-height: 42px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  color: #fff;
  font-weight: 900;
}
.member-form p {
  margin: 0;
  color: var(--muted);
}
.member-form a {
  color: var(--blue-dark);
  font-weight: 900;
}
.member-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.member-stats div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f7fcfe;
}
.member-stats b,
.member-stats span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.member-stats b { color: var(--blue-dark); font-size: 18px; }
.member-stats span { margin-top: 6px; color: var(--muted); }
.member-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.member-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
}
.member-actions a + a {
  border: 1px solid var(--line);
  background: #f7fcfe;
  color: var(--blue-dark);
}
.admin-shell { width: min(1380px, calc(100% - 28px)); margin: 22px auto; }
.admin-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
  padding: 18px;
}
.admin-head h1 { margin: 0; }
.admin-head p { margin: 6px 0 0; color: var(--muted); }
.admin-head nav { display: flex; gap: 8px; }
.admin-head a,
.admin-tabs a,
.api-list a {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--blue-dark);
  line-height: 34px;
  font-weight: 900;
}
.notice {
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px solid #a8e1d1;
  border-radius: 6px;
  background: #effdf8;
  color: #0d7955;
}
.notice.error {
  border-color: #f0c0c0;
  background: #fff3f3;
  color: var(--danger);
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 14px;
  padding: 14px;
}
.stats div {
  padding: 14px;
  border: 1px solid #c9e5ef;
  border-radius: 6px;
  background: #f8fdff;
}
.stats strong {
  display: block;
  color: var(--blue-dark);
  font-size: 30px;
  line-height: 1.1;
}
.stats span { color: var(--muted); }
.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.95);
  box-shadow: var(--shadow);
}
.admin-tabs a {
  cursor: pointer;
}
.admin-tabs a.active {
  color: #fff;
  border-color: var(--blue);
  background: linear-gradient(180deg, var(--cyan), var(--blue));
}
.admin-card { margin-bottom: 14px; padding: 18px; }
.admin-panel[hidden] { display: none; }
body.admin-busy {
  cursor: progress;
}
form.is-submitting {
  opacity: .72;
  pointer-events: none;
}
.upload-progress {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f7fdff;
}
.upload-progress div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--blue-dark);
  font-weight: 900;
}
.upload-progress progress {
  width: 100%;
  height: 12px;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  background: #d7edf4;
}
.upload-progress progress::-webkit-progress-bar {
  border-radius: 999px;
  background: #d7edf4;
}
.upload-progress progress::-webkit-progress-value {
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
}
.upload-progress small {
  display: block;
  min-height: 18px;
  margin-top: 7px;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.admin-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.admin-title-row h2 { margin: 0; }
.admin-title-row span,
.muted { color: var(--muted); }
.admin-form,
.filter-form,
.placement-form {
  display: grid;
  gap: 12px;
}
.upload-grid,
.filter-form,
.placement-form {
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  align-items: end;
}
label {
  display: grid;
  gap: 7px;
  color: #344b57;
  font-weight: 900;
}
input,
select {
  width: 100%;
  min-height: 40px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  outline: 0;
  background: #fff;
}
input:focus,
select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(21, 136, 216, 0.12);
}
input[type="file"] { padding: 8px 11px; }
.file-field { grid-column: span 2; }
.admin-form button,
.filter-form button,
.placement-form button,
.admin-item-form button,
.admin-actions button {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 6px;
  color: #fff;
  background: linear-gradient(180deg, var(--blue), var(--blue-dark));
  font-weight: 900;
}
.admin-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}
.admin-item {
  display: grid;
  grid-template-columns: 126px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}
.admin-item > img {
  width: 126px;
  height: 82px;
  object-fit: cover;
  border-radius: 6px;
  background: #e5f1f6;
}
.admin-item > img[data-admin-src],
.slot-item img[data-admin-src] {
  background: linear-gradient(100deg, #e8f5f8 20%, #f7fdff 42%, #e8f5f8 64%);
  background-size: 220% 100%;
  animation: adminShimmer 1.2s linear infinite;
}
@keyframes adminShimmer {
  to { background-position: -220% 0; }
}
.admin-item-form {
  display: grid;
  grid-template-columns: 170px 1.1fr 120px 140px 1fr auto;
  gap: 8px;
  align-items: center;
}
.item-meta b,
.item-meta span { display: block; }
.item-meta span { color: var(--muted); font-size: 12px; }
.admin-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.admin-actions a {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--blue-dark);
  line-height: 34px;
  font-weight: 900;
}
.danger-link {
  color: var(--danger) !important;
  border: 1px solid #f0c0c0 !important;
  background: #fff4f4 !important;
}
.placement-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.slot-card {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}
.slot-card header,
.slot-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.slot-card header { margin-bottom: 10px; }
.slot-item {
  padding: 8px 0;
  border-top: 1px solid #edf4f7;
}
.slot-item img {
  width: 72px;
  height: 48px;
  object-fit: cover;
  border-radius: 5px;
}
.slot-item div {
  min-width: 0;
  flex: 1;
}
.slot-item b,
.slot-item span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.slot-item span { color: var(--muted); font-size: 12px; }
.category-admin {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.cat-row {
  display: grid;
  grid-template-columns: 1fr 1fr 90px 70px auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}
.check-line {
  display: flex;
  align-items: center;
  min-height: 40px;
}
.check-line input,
.cat-row input[type="checkbox"] {
  width: auto;
  min-height: auto;
}
.api-list {
  display: grid;
  gap: 10px;
}
.api-list a {
  display: block;
  line-height: 36px;
}

@media (max-width: 980px) {
  .top-inner { grid-template-columns: 1fr; padding: 12px 0; }
  .main-nav { overflow-x: auto; }
  .member-nav { justify-content: flex-start; }
  .desktop-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mobile-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .home-desktop-grid,
  .home-mobile-row,
  .latest-desktop-row,
  .latest-mobile-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .latest-row { grid-template-columns: 1fr; }
  .detail,
  .detail.mobile-detail { grid-template-columns: 1fr; }
  .upload-grid,
  .filter-form,
  .placement-form,
  .member-stats,
  .admin-item,
  .admin-item-form,
  .placement-list,
  .category-admin { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap { width: min(100% - 18px, 1200px); }
  .cat-panel { grid-template-columns: 1fr; }
  .desktop-grid,
  .mobile-grid,
  .home-desktop-grid,
  .home-mobile-row,
  .latest-desktop-row,
  .latest-mobile-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .member-actions { flex-direction: column; }
  .stats { grid-template-columns: 1fr; }
}