/* 社区广场页 — 浅色社交布局，与题库深色科技风区分 */
.shequ-hub-page {
  --sq-accent: #ff6b2b;
  --sq-accent-soft: #fff4ed;
  --sq-green: #22a06b;
  --sq-border: #ebe6df;
  --sq-bg: #faf8f5;
  --sq-card: #fff;
  --sq-text: #2c2419;
  --sq-muted: #8a8178;
}

.shequ-hub-page .page-body {
  padding-top: 0;
  padding-bottom: 0;
  background: var(--sq-bg);
}

.sq-fade {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.sq-fade.is-visible {
  opacity: 1;
  transform: none;
}

/* ---- 顶栏 Banner ---- */
.sq-banner {
  padding: 36px 0 28px;
  background: linear-gradient(180deg, #fff 0%, var(--sq-bg) 100%);
  border-bottom: 1px solid var(--sq-border);
}

.sq-banner-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sq-banner-kicker {
  margin: 0 0 8px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--sq-accent);
}

.sq-banner-title {
  margin: 0 0 10px;
  font-size: var(--font-size-display);
  font-weight: 800;
  color: var(--sq-text);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.sq-banner-desc {
  margin: 0 0 16px;
  max-width: 560px;
  font-size: var(--font-size-md);
  line-height: 1.7;
  color: var(--sq-muted);
}

.sq-banner-social {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sq-avatar-pile {
  display: flex;
}

.sq-avatar-pile img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid #fff;
  margin-left: -10px;
  object-fit: cover;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.sq-avatar-pile img:first-child { margin-left: 0; }

.sq-banner-social p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--sq-muted);
}

.sq-banner-social strong {
  color: var(--sq-accent);
  font-weight: 800;
}

.sq-action-bar {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.sq-action-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 8px;
  border-radius: 12px;
  background: var(--sq-card);
  border: 1px solid var(--sq-border);
  text-decoration: none;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.sq-action-chip:hover {
  border-color: var(--sq-accent);
  box-shadow: 0 4px 16px rgba(255, 107, 43, 0.12);
  transform: translateY(-2px);
}

.sq-action-chip strong {
  font-size: var(--font-size-sm);
  color: var(--sq-text);
}

.sq-action-chip span:last-child {
  font-size: var(--font-size-xs);
  color: var(--sq-muted);
}

.sq-action-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--sq-accent-soft) center/18px no-repeat;
}

.sq-action-sign { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff6b2b'%3E%3Cpath d='M12 2a5 5 0 0 1 5 5v1h2a1 1 0 0 1 1 1v11a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V8a1 1 0 0 1 1-1h2V7a5 5 0 0 1 5-5z'/%3E%3C/svg%3E"); }
.sq-action-checkin { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff6b2b'%3E%3Cpath d='M9 11H7v2h2v-2zm4 0h-2v2h2v-2zm4 0h-2v2h2v-2zm2-7H5a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2z'/%3E%3C/svg%3E"); }
.sq-action-share { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff6b2b'%3E%3Cpath d='M18 2H6a2 2 0 0 0-2 2v16l8-4 8 4V4a2 2 0 0 0-2-2z'/%3E%3C/svg%3E"); }
.sq-action-team { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff6b2b'%3E%3Cpath d='M16 11c1.66 0 3-1.34 3-3s-1.34-3-3-3-3 1.34-3 3 1.34 3 3 3zm-8 0c1.66 0 3-1.34 3-3S9.66 5 8 5 5 6.34 5 8s1.34 3 3 3z'/%3E%3C/svg%3E"); }
.sq-action-race { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff6b2b'%3E%3Cpath d='M7 4h10v2H7V4zm-2 4h14v10H5V8z'/%3E%3C/svg%3E"); }
.sq-action-points { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff6b2b'%3E%3Cpath d='M12 2l3.09 6.26L22 9.27l-5 4.87 1.18 6.88L12 17.77l-6.18 3.25L7 14.14 2 9.27l6.91-1.01L12 2z'/%3E%3C/svg%3E"); }

/* ---- 主工作区 ---- */
.sq-workspace {
  padding: 28px 0 40px;
}

.sq-workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
  align-items: start;
}

.sq-main-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.sq-main-head h2 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--sq-text);
}

.sq-main-tabs {
  display: flex;
  gap: 6px;
}

.sq-tab {
  padding: 6px 14px;
  border: 1px solid var(--sq-border);
  border-radius: 999px;
  background: var(--sq-card);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--sq-muted);
  cursor: pointer;
}

.sq-tab.active {
  background: var(--sq-accent);
  border-color: var(--sq-accent);
  color: #fff;
}

.sq-timeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sq-post {
  display: flex;
  gap: 14px;
  padding: 18px;
  border-radius: 14px;
  background: var(--sq-card);
  border: 1px solid var(--sq-border);
}

.sq-post-avatar {
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
}

.sq-post-main { flex: 1; min-width: 0; }

.sq-post-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.sq-post-head strong {
  font-size: var(--font-size-sm);
  color: var(--sq-text);
}

.sq-post-head time {
  margin-left: auto;
  font-size: var(--font-size-xs);
  color: var(--sq-muted);
}

.sq-post-tag {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.sq-post-tag-checkin { background: #e8f8ef; color: var(--sq-green); }
.sq-post-tag-share { background: #eef4ff; color: #408cff; }
.sq-post-tag-event { background: var(--sq-accent-soft); color: var(--sq-accent); }
.sq-post-tag-ask { background: #f3eeff; color: #7c5cbf; }

.sq-post-text {
  margin: 0 0 12px;
  font-size: var(--font-size-sm);
  line-height: 1.65;
  color: #4a4238;
}

.sq-post-foot {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: var(--font-size-xs);
  color: var(--sq-muted);
}

.sq-post-action {
  margin-left: auto;
  padding: 0;
  border: none;
  background: none;
  color: var(--sq-accent);
  font-size: var(--font-size-xs);
  font-weight: 600;
  cursor: pointer;
}

.sq-more-link {
  margin: 16px 0 0;
  text-align: center;
}

.sq-more-link a {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--sq-accent);
  text-decoration: none;
}

/* ---- 侧边栏 ---- */
.sq-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 16px;
}

.sq-widget {
  padding: 18px;
  border-radius: 14px;
  background: var(--sq-card);
  border: 1px solid var(--sq-border);
}

.sq-widget-checkin {
  background: linear-gradient(180deg, #fff 0%, var(--sq-accent-soft) 100%);
  border-color: rgba(255, 107, 43, 0.2);
}

.sq-widget-title {
  margin: 0 0 12px;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--sq-text);
}

.sq-widget-streak {
  margin: 0 0 12px;
  font-size: var(--font-size-sm);
  color: var(--sq-muted);
}

.sq-cal-mini {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 14px;
}

.sq-cal-d {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 10px;
  color: #ccc;
  background: #f5f3f0;
}

.sq-cal-on {
  background: rgba(255, 107, 43, 0.15);
  color: var(--sq-accent);
  font-weight: 700;
}

.sq-cal-today {
  background: var(--sq-accent);
  color: #fff;
  font-weight: 800;
  transition: transform 0.3s ease;
}

.sq-cal-today-pulse { transform: scale(1.12); }

.sq-btn-checkin {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 10px;
  background: var(--sq-accent);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  cursor: pointer;
}

.sq-widget-hint {
  margin: 10px 0 0;
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--sq-muted);
}

.sq-rank-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sq-rank-item {
  display: grid;
  grid-template-columns: 28px 32px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid #f5f3f0;
  font-size: var(--font-size-sm);
}

.sq-rank-item:last-child { border-bottom: none; }

.sq-rank-item img {
  border-radius: 50%;
  object-fit: cover;
}

.sq-rank-no {
  text-align: center;
  font-weight: 700;
  color: var(--sq-muted);
}

.sq-rank-name { color: var(--sq-text); font-weight: 600; }

.sq-rank-pts {
  font-weight: 700;
  color: var(--sq-accent);
  font-size: var(--font-size-xs);
}

.sq-point-rules {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sq-point-rule {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--sq-muted);
}

.sq-point-rule strong {
  color: var(--sq-green);
  font-weight: 700;
}

/* ---- 活动横滑 ---- */
.sq-events-section {
  padding: 0 0 40px;
}

.sq-section-head {
  margin-bottom: 16px;
}

.sq-section-head h2 {
  margin: 0 0 4px;
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--sq-text);
}

.sq-section-head p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--sq-muted);
}

.sq-events-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 4px 2px 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.sq-events-track::-webkit-scrollbar { height: 6px; }
.sq-events-track::-webkit-scrollbar-thumb {
  background: #ddd;
  border-radius: 999px;
}

.sq-event {
  flex: 0 0 220px;
  scroll-snap-align: start;
  padding: 16px;
  border-radius: 12px;
  background: var(--sq-card);
  border: 1px solid var(--sq-border);
  border-left-width: 4px;
}

.sq-event-live { border-left-color: var(--sq-green); }
.sq-event-hot { border-left-color: var(--sq-accent); }
.sq-event-soon { border-left-color: #ccc; opacity: 0.85; }

.sq-event-date {
  display: block;
  margin-bottom: 8px;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--sq-muted);
}

.sq-event-title {
  margin: 0 0 6px;
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--sq-text);
  line-height: 1.35;
}

.sq-event-sub {
  margin: 0 0 8px;
  font-size: var(--font-size-xs);
  color: var(--sq-muted);
}

.sq-event-meta {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--sq-accent);
}

/* ---- 学习小组 ---- */
.sq-groups-section {
  padding: 0 0 48px;
}

.sq-groups-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.sq-group {
  padding: 18px;
  border-radius: 14px;
  background: var(--sq-card);
  border: 1px solid var(--sq-border);
  transition: box-shadow 0.2s;
}

.sq-group:hover {
  box-shadow: 0 6px 20px rgba(44, 36, 25, 0.06);
}

.sq-group-avatars {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.sq-group-avatars img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #fff;
  margin-left: -8px;
  object-fit: cover;
}

.sq-group-avatars img:first-child { margin-left: 0; }

.sq-group-avatars span {
  margin-left: 6px;
  font-size: var(--font-size-xs);
  color: var(--sq-muted);
}

.sq-group-title {
  margin: 0 0 6px;
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--sq-text);
}

.sq-group-meta {
  margin: 0 0 10px;
  font-size: var(--font-size-xs);
  color: var(--sq-muted);
}

.sq-group-status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: #e8f8ef;
  color: var(--sq-green);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

/* ---- 底部引导 ---- */
.sq-join-bar {
  padding: 20px 0 32px;
  border-top: 1px solid var(--sq-border);
  background: #fff;
}

.sq-join-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border-radius: 14px;
  background: var(--sq-accent-soft);
  border: 1px solid rgba(255, 107, 43, 0.2);
}

.sq-join-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sq-join-text strong {
  font-size: var(--font-size-md);
  color: var(--sq-text);
}

.sq-join-text span {
  font-size: var(--font-size-sm);
  color: var(--sq-muted);
}

.sq-join-btn {
  padding: 12px 28px;
  border-radius: 999px;
  background: var(--sq-accent);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(255, 107, 43, 0.3);
}

.sq-join-btn:hover { color: #fff; }

/* ---- 响应式 ---- */
@media (max-width: 992px) {
  .sq-workspace-grid { grid-template-columns: 1fr; }
  .sq-aside {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .sq-action-bar { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sq-groups-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 576px) {
  .sq-banner-title { font-size: var(--font-size-xxl); }
  .sq-action-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sq-aside { grid-template-columns: 1fr; }
  .sq-groups-grid { grid-template-columns: 1fr; }
  .sq-join-inner { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .sq-fade {
    opacity: 1;
    transform: none;
    transition: none;
  }
}