.content-hub {
  --hub-accent: var(--link, #6750a4);
  --hub-soft: var(--link-a20, rgba(103, 80, 164, 0.14));
  width: 100%;
  color: var(--text-p1, #1f2937);
}

.content-hub,
.content-hub * {
  box-sizing: border-box;
}

/* Stellar 会为正文直属 div 和所有 header 添加通用间距，内容频道需要自行管理。 */
.md-text > .content-hub {
  margin: 0;
}

.l_main .content-hub header {
  margin: 0;
}

.l_main .content-hub .content-hub-header {
  margin: 0 0 1rem;
}

.content-hub [hidden] {
  display: none !important;
}

.content-hub-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.content-hub-header {
  position: relative;
  display: grid;
  grid-template-areas:
    "eyebrow navigation"
    "title navigation"
    "description navigation";
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 1rem;
  row-gap: 0.1rem;
  align-items: center;
  overflow: hidden;
  width: 100%;
  padding: 1rem 1.1rem;
  border: 1px solid var(--block-border, rgba(0, 0, 0, 0.08));
  border-radius: 14px;
  background: var(--card, #fff);
  box-shadow: 0 2px 10px -6px rgba(15, 23, 42, 0.18);
}

.content-hub-eyebrow {
  grid-area: eyebrow;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  color: var(--hub-accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.content-hub-eyebrow::before {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0.22rem var(--hub-soft);
  content: "";
}

.content-hub-header h1 {
  grid-area: title;
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 1.75rem);
  line-height: 1.25;
}

.content-hub-header > p:not(.content-hub-eyebrow) {
  grid-area: description;
  max-width: 34rem;
  margin: 0.3rem 0 0;
  color: var(--text-p2, #64748b);
  font-size: 0.9rem;
  line-height: 1.55;
}

.content-hub-subnav {
  grid-area: navigation;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
  margin: 0;
}

.content-hub-subnav a,
.content-hub-directory-link,
.content-hub-archive-year a {
  text-decoration: none;
}

.content-hub-subnav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--block-border, rgba(0, 0, 0, 0.08));
  border-radius: 999px;
  color: var(--text-p1, #1f2937);
  font-size: 0.82rem;
  line-height: 1;
  background: var(--block, #f6f7f9);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.content-hub-subnav a:hover {
  color: var(--hub-accent);
  border-color: var(--hub-accent);
  background: var(--hub-soft);
}

.content-hub-filters {
  display: block;
  margin-bottom: 1rem;
  padding: 1rem;
  border: 1px solid var(--block-border, rgba(0, 0, 0, 0.08));
  border-radius: 14px;
  background: var(--card, #fff);
  box-shadow: 0 2px 10px -6px rgba(15, 23, 42, 0.16);
}

.content-hub-filter-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(7.25rem, 1fr));
  gap: 0.65rem;
  margin-top: 0.7rem;
}

.content-hub-filters label {
  display: grid;
  gap: 0.3rem;
  min-width: 0;
  margin: 0;
}

.content-hub-filters label > span {
  color: var(--text-p3, #94a3b8);
  font-size: 0.72rem;
  font-weight: 700;
}

.content-hub-filters input,
.content-hub-filters select {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  height: 2.35rem;
  margin: 0;
  padding: 0 0.65rem;
  border: 1px solid var(--block-border, rgba(0, 0, 0, 0.12));
  border-radius: 9px;
  color: var(--text-p1, #1f2937);
  font: inherit;
  font-size: 0.875rem;
  background: var(--block, #f6f7f9);
}

.content-hub-filters input:focus,
.content-hub-filters select:focus,
.content-hub-filters button:focus-visible {
  border-color: var(--hub-accent);
  outline: 2px solid var(--hub-soft);
  outline-offset: 1px;
}

.content-hub-filter-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.75rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--block-border, rgba(0, 0, 0, 0.08));
}

.content-hub-filters button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  margin: 0;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--block-border, rgba(0, 0, 0, 0.12));
  border-radius: 8px;
  color: var(--text-p2, #64748b);
  font: inherit;
  font-size: 0.78rem;
  line-height: 1;
  cursor: pointer;
  background: transparent;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.content-hub-filters button:hover {
  color: #fff;
  border-color: var(--hub-accent);
  background: var(--hub-accent);
}

.content-hub-result {
  color: var(--text-p3, #94a3b8);
  font-size: 0.8rem;
}

.content-hub-list {
  display: grid;
  gap: 1rem;
}

.content-hub-list.layout-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.content-hub-card {
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  border: 1px solid var(--block-border, rgba(0, 0, 0, 0.08));
  border-radius: 14px;
  background: var(--card, #fff);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.07), 0 8px 24px -20px rgba(15, 23, 42, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.content-hub-card:hover {
  border-color: var(--hub-accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -14px rgba(15, 23, 42, 0.26);
}

.moment-card {
  padding: 1rem;
}

.content-hub-item-header {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.content-hub-avatar {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  margin: 0 !important;
  border: 2px solid var(--background, #fff);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px var(--block-border, rgba(0, 0, 0, 0.08));
}

.content-hub-author {
  display: grid;
  min-width: 0;
}

.content-hub-time {
  color: var(--text-p3, #94a3b8);
  font-size: 0.78rem;
  text-decoration: none;
}

.content-hub-time:hover {
  color: var(--hub-accent);
}

.content-hub-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
  margin-left: auto;
}

.content-hub-pin,
.content-hub-category,
.project-status {
  padding: 0.22rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
}

.content-hub-pin {
  color: #b45309;
  background: #fef3c7;
}

.content-hub-category {
  color: var(--hub-accent);
  text-decoration: none;
  background: var(--hub-soft);
}

.content-hub-item-title {
  margin: 0.9rem 0 0.35rem;
  font-size: 1.25rem;
}

.content-hub-item-title a {
  color: inherit;
  text-decoration: none;
}

.content-hub-body {
  overflow-wrap: anywhere;
  margin-top: 0.8rem;
  color: var(--text-p1, #1f2937);
  line-height: 1.85;
}

.content-hub-body > :first-child {
  margin-top: 0;
}

.content-hub-body > :last-child {
  margin-bottom: 0;
}

.content-hub-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.35rem;
  margin-top: 0.9rem;
  overflow: hidden;
  border-radius: 12px;
}

.content-hub-gallery.count-1 {
  grid-template-columns: minmax(0, 30rem);
}

.content-hub-gallery.count-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.content-hub-image {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--block, #f1f5f9);
}

.content-hub-gallery.count-1 .content-hub-image {
  aspect-ratio: 16 / 10;
}

.content-hub-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.content-hub-image:hover img {
  transform: scale(1.025);
}

.content-hub-item-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.9rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--block-border, rgba(0, 0, 0, 0.08));
}

.content-hub-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}

.content-hub-item-meta:empty {
  display: none;
}

.content-hub-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.content-hub-tag,
.content-hub-location,
.content-hub-permalink {
  color: var(--text-p3, #94a3b8);
  font-size: 0.78rem;
}

.content-hub-tag,
.content-hub-permalink {
  text-decoration: none;
}

.content-hub-tag:hover,
.content-hub-permalink:hover {
  color: var(--hub-accent);
}

.content-hub-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.2rem;
  margin: 0 0 0 auto;
}

.content-hub-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.32rem;
  min-width: 2.25rem;
  min-height: 2.25rem;
  margin: 0;
  padding: 0.35rem 0.55rem;
  border: 0;
  border-radius: 999px;
  color: var(--text-p3, #94a3b8);
  font: inherit;
  font-size: 0.78rem;
  line-height: 1;
  text-decoration: none;
  background: transparent;
  transition: color 0.18s ease, background-color 0.18s ease, opacity 0.18s ease, transform 0.18s ease;
}

button.content-hub-action {
  appearance: none;
  cursor: pointer;
}

.content-hub-action svg {
  width: 1.08rem;
  height: 1.08rem;
  flex: 0 0 auto;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.content-hub-action:hover {
  color: var(--hub-accent);
  background: var(--hub-soft);
}

.content-hub-action:focus-visible {
  outline: 2px solid var(--hub-accent);
  outline-offset: 2px;
}

.content-hub-like.is-active {
  color: #e25570;
  background: rgba(226, 85, 112, 0.1);
}

.content-hub-like.is-active svg {
  fill: currentColor;
  stroke-width: 1.65;
}

.content-hub-action.is-loading {
  opacity: 0.58;
  cursor: wait;
}

.content-hub-action.is-loading svg {
  animation: content-hub-action-pulse 0.9s ease-in-out infinite alternate;
}

.content-hub-action.is-error {
  color: #c2415b;
}

.content-hub-action:disabled {
  pointer-events: none;
}

@keyframes content-hub-action-pulse {
  from { opacity: 0.4; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.content-hub-back {
  display: inline-block;
  margin-bottom: 0.9rem;
  color: var(--text-p2, #64748b);
  font-size: 0.85rem;
  text-decoration: none;
}

.content-hub-single .content-hub-card {
  width: 100%;
}

.project-cover {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--block, #f1f5f9);
}

.project-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.project-card:hover .project-cover img {
  transform: scale(1.025);
}

.project-card-content {
  padding: 1rem;
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--text-p3, #94a3b8);
  font-size: 0.76rem;
}

.project-status {
  color: #0369a1;
  background: #e0f2fe;
}

.project-status.status-active {
  color: #047857;
  background: #d1fae5;
}

.project-status.status-paused {
  color: #b45309;
  background: #fef3c7;
}

.project-status.status-completed {
  color: #6d28d9;
  background: #ede9fe;
}

.project-summary {
  color: var(--text-p2, #64748b);
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.project-actions a {
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--block-border, rgba(0, 0, 0, 0.08));
  border-radius: 8px;
  color: var(--text-p2, #64748b);
  font-size: 0.8rem;
  text-decoration: none;
}

.project-actions a:hover {
  color: var(--hub-accent);
  border-color: var(--hub-accent);
}

.content-hub-empty,
.content-hub-no-results,
.content-hub-noscript {
  padding: 1.5rem;
  border: 1px dashed var(--block-border, rgba(0, 0, 0, 0.12));
  border-radius: 16px;
  color: var(--text-p2, #64748b);
  text-align: center;
  background: var(--card, #fff);
}

.content-hub-empty p {
  margin-bottom: 0;
}

.content-hub-directory {
  display: grid;
  gap: 0.75rem;
}

.tag-directory {
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
}

.content-hub-directory-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--block-border, rgba(0, 0, 0, 0.08));
  border-radius: 12px;
  color: var(--text-p1, #1f2937);
  background: var(--card, #fff);
}

.content-hub-directory-link:hover {
  color: var(--hub-accent);
  border-color: var(--hub-accent);
}

.content-hub-archive-year {
  padding: 1rem;
  border: 1px solid var(--block-border, rgba(0, 0, 0, 0.08));
  border-radius: 14px;
  background: var(--card, #fff);
}

.content-hub-archive-year h2 {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0 0 0.8rem;
}

.content-hub-archive-year h2 small {
  color: var(--text-p3, #94a3b8);
  font-size: 0.78rem;
  font-weight: 500;
}

.content-hub-archive-year > div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.content-hub-archive-year > div a {
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  color: var(--text-p2, #64748b);
  background: var(--block, #f6f7f9);
}

.content-hub-lightbox {
  width: min(94vw, 76rem);
  max-width: none;
  height: min(92vh, 60rem);
  max-height: none;
  padding: 0;
  border: 0;
  border-radius: 16px;
  background: rgba(5, 8, 15, 0.96);
}

.content-hub-lightbox::backdrop {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(5px);
}

.content-hub-lightbox img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.content-hub-lightbox button {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 1;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.55);
}

@media (max-width: 680px) {
  .content-hub-header {
    grid-template-areas:
      "eyebrow"
      "title"
      "description"
      "navigation";
    grid-template-columns: minmax(0, 1fr);
    padding: 0.9rem;
  }

  .content-hub-subnav {
    justify-content: flex-start;
    margin-top: 0.65rem;
  }

  .content-hub-filters {
    padding: 0.8rem;
  }

  .content-hub-list.layout-grid {
    grid-template-columns: 1fr;
  }

  .content-hub-badges {
    max-width: 42%;
  }

  .content-hub-gallery {
    gap: 0.2rem;
  }

  .content-hub-item-footer {
    align-items: flex-start;
  }

  .content-hub-item-meta {
    width: 100%;
  }

  .content-hub-actions {
    width: 100%;
    margin-left: 0;
    justify-content: space-around;
  }

  .content-hub-action {
    min-width: 2.75rem;
    min-height: 2.75rem;
    padding-inline: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .content-hub *,
  .content-hub *::before,
  .content-hub *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}