/* 发现社区 Phase 1 */
.page--community { padding-bottom: calc(var(--nav-height) + var(--safe-bottom)); }

.community-top {
  padding: calc(0.5rem + env(safe-area-inset-top, 0px)) var(--margin-mobile) 0.75rem;
  background: var(--surface-container-lowest, #fff);
  border-bottom: 1px solid var(--divider);
  position: relative;
}
.community-top__title { font-size: 1.375rem; font-weight: 800; margin-bottom: 0.65rem; padding-right: 2.5rem; }
.community-top__notify {
  position: absolute; top: calc(0.5rem + env(safe-area-inset-top, 0px)); right: var(--margin-mobile);
  width: 2.25rem; height: 2.25rem; border: none; background: var(--surface-container-low);
  border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-secondary);
  transition: transform 0.22s cubic-bezier(0.34, 1.45,  0.64, 1), background 0.2s;
}
.community-top__notify:active { transform: scale(0.88); background: var(--brand-soft-bg); color: var(--brand-orange); }

.community-search {
  display: flex; align-items: center; gap: 0.5rem;
  background: var(--surface-container-low); border-radius: var(--radius-full);
  padding: 0.55rem 1rem;
}
.community-search input {
  flex: 1; border: none; background: transparent; font-size: 0.875rem; outline: none;
}

.community-tabs {
  display: flex; gap: 0.25rem; overflow-x: auto;
  padding: 0.5rem var(--margin-mobile);
  background: #fff; border-bottom: 1px solid var(--divider);
  position: sticky; top: 0; z-index: 15;
}
.community-tabs__btn {
  flex-shrink: 0; border: none; background: transparent;
  padding: 0.45rem 0.85rem; border-radius: var(--radius-full);
  font-size: 0.8125rem; font-weight: 600; color: var(--text-muted); cursor: pointer;
  transition: transform 0.22s cubic-bezier(0.34, 1.45, 0.64, 1), background 0.2s, color 0.2s;
}
.community-tabs__btn:active { transform: scale(0.92); }
.community-tabs__btn.active {
  background: var(--brand-soft-bg); color: var(--brand-orange);
  transform: scale(1.02);
}

.community-panel { padding: 0.75rem var(--margin-mobile) 1rem; }

.community-hot-topics {
  display: flex; gap: 0.5rem; overflow-x: auto;
  margin-bottom: 0.75rem; padding-bottom: 0.25rem;
}

.community-topic-chip {
  flex-shrink: 0; border: 1px solid rgba(255, 140, 66, 0.35);
  background: var(--brand-soft-bg); color: var(--brand-orange);
  padding: 0.35rem 0.75rem; border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 600; cursor: pointer;
}
.community-topic-chip--sm { font-size: 0.6875rem; padding: 0.2rem 0.5rem; }

.community-feed-card {
  background: #fff; border-radius: var(--radius-xl);
  padding: 1rem; margin-bottom: 0.75rem;
  border: 1px solid rgba(232, 232, 237, 0.65);
  box-shadow: 0 1px 6px rgba(26, 28, 29, 0.04);
}
.community-feed-card__type {
  font-size: 0.625rem; font-weight: 700; color: var(--brand-orange);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.community-feed-card__title {
  font-size: 1rem; font-weight: 700; margin: 0.35rem 0 0.25rem; line-height: 1.35;
}
.community-feed-card__excerpt {
  font-size: 0.8125rem; color: var(--text-secondary); line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.community-feed-card__imgs {
  display: flex; gap: 0.35rem; margin-top: 0.65rem;
}
.community-feed-card__imgs img {
  width: 5.5rem; height: 5.5rem; object-fit: cover; border-radius: var(--radius-md);
}
.community-feed-card__meta {
  display: flex; align-items: center; gap: 0.35rem; margin-top: 0.65rem;
  font-size: 0.75rem; flex-wrap: wrap;
}
.community-feed-card__avatar { width: 1.25rem; height: 1.25rem; border-radius: 50%; object-fit: cover; }
.community-feed-card__stats {
  margin-left: auto; display: flex; align-items: center; gap: 0.15rem; color: var(--text-muted);
}

.community-topic-toolbar {
  display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; flex-wrap: wrap;
}
.community-fab-text { margin-left: auto; display: inline-flex; align-items: center; gap: 0.25rem; }

.community-topic-row {
  display: flex; gap: 0.75rem; padding: 0.85rem 0;
  border-bottom: 1px solid var(--divider);
}
.community-topic-row__main { flex: 1; min-width: 0; }
.community-topic-row h3 { font-size: 0.9375rem; font-weight: 700; line-height: 1.35; }
.community-topic-row__excerpt {
  font-size: 0.8125rem; margin-top: 0.25rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.community-topic-row__tags { display: flex; flex-wrap: wrap; gap: 0.25rem; margin-top: 0.35rem; }
.community-topic-row__meta { font-size: 0.6875rem; margin-top: 0.35rem; }
.community-topic-row__thumb {
  width: 4.5rem; height: 4.5rem; border-radius: var(--radius-md); object-fit: cover; flex-shrink: 0;
}

.community-coming {
  text-align: center; padding: 3rem 1rem; color: var(--text-secondary);
}

/* 帖子详情 */
.post-detail { padding: 1rem var(--margin-mobile); }
.post-detail h1 { font-size: 1.25rem; font-weight: 800; line-height: 1.35; }
.post-detail__author { display: flex; gap: 0.65rem; margin: 0.85rem 0; align-items: center; }
.post-detail__author img { width: 2.5rem; height: 2.5rem; border-radius: 50%; object-fit: cover; }
.post-detail__tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.75rem; }
.post-detail__body { font-size: 0.9375rem; line-height: 1.75; white-space: pre-wrap; }
.post-detail__imgs img { width: 100%; border-radius: var(--radius-lg); margin-top: 0.5rem; }
.post-detail__actions { display: flex; align-items: center; gap: 1rem; margin-top: 1rem; padding-top: 0.75rem; border-top: 1px solid var(--divider); }
.post-detail__action {
  display: inline-flex; align-items: center; gap: 0.25rem;
  border: none; background: none; font-size: 0.875rem; cursor: pointer; color: var(--text-secondary);
}
.post-detail__action.active { color: var(--brand-orange); }

.post-comments { padding: 0 1rem 5rem; }
.post-comments h3 { font-size: 0.9375rem; font-weight: 700; margin-bottom: 0.75rem; }
.comment-item { display: flex; gap: 0.65rem; margin-bottom: 1rem; }
.comment-item__avatar { width: 2rem; height: 2rem; border-radius: 50%; flex-shrink: 0; }
.comment-item__name { font-size: 0.8125rem; font-weight: 600; }
.comment-item__body p { font-size: 0.875rem; margin: 0.25rem 0; line-height: 1.45; }
.comment-reply { font-size: 0.8125rem; margin-top: 0.35rem; padding: 0.35rem 0.5rem; background: var(--surface-container-low); border-radius: var(--radius-md); }

.post-reply-bar {
  position: fixed; left: 0; right: 0; bottom: 0;
  display: flex; gap: 0.5rem; padding: 0.65rem 1rem calc(0.65rem + var(--safe-bottom));
  background: rgba(255,255,255,0.96); border-top: 1px solid var(--divider);
  backdrop-filter: blur(12px);
}
.post-reply-bar input {
  flex: 1; border: 1px solid var(--divider); border-radius: var(--radius-full);
  padding: 0.55rem 1rem; font-size: 0.875rem;
}

.topic-create-imgs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }
.topic-create-imgs img { width: 4.5rem; height: 4.5rem; object-fit: cover; border-radius: var(--radius-md); }

/* 店铺 Tab */
.page--shop-hub { padding-bottom: calc(var(--nav-height) + var(--safe-bottom)); }
.shop-hub-header { padding: calc(0.75rem + env(safe-area-inset-top, 0px)) 1rem 0.5rem; }
.shop-hub-header h1 { font-size: 1.375rem; font-weight: 800; }
.shop-hub-certify {
  display: flex; align-items: center; gap: 0.75rem;
  margin: 0.75rem 1rem; padding: 1rem; background: #fff;
  border-radius: var(--radius-xl); border: 1px solid var(--divider);
}
.shop-hub-list { padding: 0 1rem 1rem; }
.shop-hub-card {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem 0; border-bottom: 1px solid var(--divider);
}
.shop-hub-card__img { width: 3rem; height: 3rem; border-radius: var(--radius-md); object-fit: cover; }
.shop-hub-card__body { flex: 1; min-width: 0; }
.shop-hub-card__name { font-weight: 700; font-size: 0.9375rem; }

/* 买家秀瀑布流 */
.showcase-masonry {
  column-count: 2; column-gap: 0.5rem;
}
.showcase-masonry__item {
  break-inside: avoid; margin-bottom: 0.5rem;
  border-radius: var(--radius-lg); overflow: hidden;
  background: #fff; border: 1px solid rgba(232,232,237,0.6);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.showcase-masonry__item img { width: 100%; display: block; object-fit: cover; }
.showcase-masonry__cap { padding: 0.5rem 0.6rem 0.65rem; }
.showcase-masonry__cap p { font-size: 0.75rem; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.showcase-masonry__user { display: flex; align-items: center; gap: 0.35rem; margin-top: 0.35rem; font-size: 0.6875rem; color: var(--text-muted); }
.showcase-masonry__user img { width: 1.125rem; height: 1.125rem; border-radius: 50%; }

/* 视频双列 */
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.video-grid-card { border-radius: var(--radius-lg); overflow: hidden; background: #fff; border: 1px solid var(--divider); }
.video-grid-card__cover { position: relative; aspect-ratio: 3/4; background: #111; }
.video-grid-card__cover img { width: 100%; height: 100%; object-fit: cover; }
.video-grid-card__play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.15);
}
.video-grid-card__play span { color: #fff; font-size: 2.25rem; opacity: 0.92; }
.video-grid-card__dur {
  position: absolute; right: 0.35rem; bottom: 0.35rem;
  background: rgba(0,0,0,0.65); color: #fff; font-size: 0.625rem;
  padding: 0.1rem 0.35rem; border-radius: var(--radius-sm);
}
.video-grid-card__body { padding: 0.5rem 0.6rem 0.65rem; }
.video-grid-card__body h4 { font-size: 0.8125rem; font-weight: 600; line-height: 1.35; }

/* 专栏列表 */
.column-list-card {
  display: flex; gap: 0.75rem; padding: 0.75rem 0;
  border-bottom: 1px solid var(--divider); cursor: pointer;
}
.column-list-card__cover { width: 6.5rem; height: 4.5rem; border-radius: var(--radius-md); object-fit: cover; flex-shrink: 0; }
.column-list-card__body { flex: 1; min-width: 0; }
.column-list-card__body h3 { font-size: 0.9375rem; font-weight: 700; line-height: 1.35; }
.column-list-card__summary { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.25rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.column-list-card__meta { font-size: 0.6875rem; color: var(--text-muted); margin-top: 0.35rem; }

/* 视频沉浸式 */
.video-immersive { background: #000; min-height: 100dvh; }
.video-immersive__player { width: 100%; max-height: 70vh; background: #000; display: block; }
.video-immersive__info { padding: 1rem; color: #fff; }

/* 用户主页 */
.user-profile-hero { padding: 1.25rem 1rem; display: flex; gap: 1rem; align-items: center; }
.user-profile-hero img { width: 4rem; height: 4rem; border-radius: 50%; object-fit: cover; }
.user-profile-stats { display: flex; gap: 1.25rem; padding: 0 1rem 1rem; font-size: 0.8125rem; }
.user-profile-stats strong { display: block; font-size: 1rem; }

.community-tab-toolbar { display: flex; justify-content: flex-end; margin-bottom: 0.5rem; }