/* 官网公开素材库页 */
.mat-page { padding-bottom: 64px; }
.mat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.mat-tabs button {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 700;
  cursor: pointer;
  color: var(--muted);
}
.mat-tabs button.is-on {
  color: var(--ink);
  background: var(--paper-2, var(--surface));
  box-shadow: inset 0 -2px 0 var(--accent);
}
.mat-prompt-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: -4px 0 16px;
}
.mat-prompt-filters button {
  border: 0;
  background: transparent;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
.mat-prompt-filters button.is-on {
  background: var(--surface);
  color: var(--ink);
}
.mat-status {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 12px;
}
.mat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.mat-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface);
  display: flex;
  flex-direction: column;
}
.mat-card-media {
  aspect-ratio: 1;
  background: #0b1220;
}
.mat-card-media img,
.mat-card-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.mat-card-body {
  padding: 12px;
  display: grid;
  gap: 6px;
}
.mat-card-body strong {
  font-size: 14px;
  line-height: 1.3;
}
.mat-card-body p {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
  white-space: pre-wrap;
  max-height: 4.5em;
  overflow: hidden;
}