/* ==========================================
   模板 28 - 应用目录与资源导航风 (App Catalog UI)
   ========================================== */

:root {
  --_ac_bg_280: #f8fafc;            /* 极简淡灰绿调 */
  --_ac_surface_280: #ffffff;
  --_ac_border_280: #e2e8f0;
  --_ac_border_hover_280: #cbd5e1;
  --_ac_emerald_280: #10b981;      /* 翡翠绿核心强调色 */
  --_ac_emerald_hover_280: #059669;
  --_ac_emerald_light_280: #ecfdf5;
  --_ac_text_dark_280: #0f172a;    /* 深浓 Slate */
  --_ac_text_muted_280: #64748b;
  --_ac_shadow_280: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --_ac_shadow_hover_280: 0 10px 20px -5px rgba(16, 185, 129, 0.12);
  --_ac_font_280: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

html, body._ac_body_280 {
  width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  min-height: 100vh;
  background-color: var(--_ac_bg_280);
  color: var(--_ac_text_dark_280);
  font-family: var(--_ac_font_280);
  line-height: 1.6;
  overflow-x: hidden !important;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after {
  box-sizing: border-box !important;
}

._ac_shell_280 {
  width: 100% !important;
  margin: 0 auto !important;
  display: block;
}

._ac_container_280 {
  width: 100% !important;
  max-width: 1160px !important;
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: 20px !important;
  padding-right: 20px !important;
}

/* 1. Header */
._ac_header_280 {
  width: 100% !important;
  background: var(--_ac_surface_280);
  border-bottom: 1px solid var(--_ac_border_280);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

._ac_hdr_in_280 {
  height: 68px;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
}

._ac_brand_280 {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--_ac_text_dark_280);
}

._ac_logo_badge_280 {
  background: var(--_ac_emerald_280);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}

._ac_brand_280 h1 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.3px;
}

._ac_nav_ul_280 {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

._ac_nav_a_280 {
  color: var(--_ac_text_muted_280);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s;
}

._ac_nav_a_280:hover {
  color: var(--_ac_emerald_280);
}

._ac_btn_emerald_280 {
  background: var(--_ac_emerald_280);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s;
}

._ac_btn_emerald_280:hover {
  background: var(--_ac_emerald_hover_280);
}

/* 2. App Hero Section */
._ac_hero_sec_280 {
  width: 100% !important;
  background: linear-gradient(180deg, #ffffff 0%, #f0fdf4 100%);
  border-bottom: 1px solid var(--_ac_border_280);
  padding: 56px 0 48px;
}

._ac_hero_center_280 {
  text-align: center;
}

._ac_badge_pill_280 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--_ac_emerald_light_280);
  border: 1px solid #a7f3d0;
  color: var(--_ac_emerald_hover_280);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 99px;
  margin-bottom: 20px;
}

._ac_pill_dot_280 {
  width: 6px;
  height: 6px;
  background: var(--_ac_emerald_280);
  border-radius: 50%;
}

._ac_hero_ttl_280 {
  font-size: clamp(1.8rem, 3.8vw, 2.7rem);
  font-weight: 900;
  color: var(--_ac_text_dark_280);
  margin: 0 0 16px 0;
  line-height: 1.25;
  letter-spacing: -0.5px;
}

._ac_hero_sub_280 {
  font-size: 1rem;
  color: var(--_ac_text_muted_280);
  max-width: 680px;
  margin: 0 auto 32px;
}

._ac_search_box_280 {
  display: flex;
  max-width: 580px;
  margin: 0 auto 20px;
  background: #ffffff;
  border: 1px solid var(--_ac_border_280);
  border-radius: 12px;
  padding: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

._ac_search_ipt_280 {
  flex: 1;
  height: 44px;
  background: transparent;
  border: none;
  padding: 0 16px;
  font-size: 0.92rem;
  color: var(--_ac_text_dark_280);
  outline: none;
}

._ac_search_btn_280 {
  background: var(--_ac_emerald_280);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 0 24px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}

._ac_search_btn_280:hover {
  background: var(--_ac_emerald_hover_280);
}

._ac_hero_tags_280 {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
}

._ac_tag_label_280 {
  color: var(--_ac_text_muted_280);
  font-weight: 600;
  margin-right: 4px;
}

._ac_tag_item_280 {
  background: #ffffff;
  border: 1px solid var(--_ac_border_280);
  color: var(--_ac_text_dark_280);
  padding: 3px 10px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: border-color 0.2s, color 0.2s;
}

._ac_tag_item_280:hover {
  border-color: var(--_ac_emerald_280);
  color: var(--_ac_emerald_280);
}

/* 3. Main Content */
._ac_main_wrap_280 {
  width: 100% !important;
  padding: 48px 0 64px;
}

._ac_sec_block_280 {
  margin-bottom: 56px;
}

._ac_sec_hd_280 {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 2px solid var(--_ac_border_280);
  padding-bottom: 10px;
  margin-bottom: 24px;
}

._ac_sec_ttl_280 {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0;
  color: var(--_ac_text_dark_280);
}

._ac_sec_tag_280 {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--_ac_text_muted_280);
  letter-spacing: 0.5px;
}

/* App Cards Grid (3 Columns) */
._ac_feature_flex_280 {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 24px !important;
}

._ac_feat_card_280 {
  flex: 1 1 calc(33.333% - 24px) !important;
  min-width: 280px;
  background: var(--_ac_surface_280);
  border: 1px solid var(--_ac_border_280);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--_ac_shadow_280);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

._ac_feat_card_280:hover {
  transform: translateY(-4px);
  box-shadow: var(--_ac_shadow_hover_280);
  border-color: var(--_ac_emerald_280);
}

._ac_app_header_280 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

._ac_app_icon_280 {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

._ac_app_icon_280._bg_green { background: #d1fae5; color: #047857; }
._ac_app_icon_280._bg_blue { background: #dbeafe; color: #1d4ed8; }
._ac_app_icon_280._bg_purple { background: #f3e8ff; color: #6b21a8; }

._ac_app_meta_280 {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

._ac_app_type_280 {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--_ac_emerald_280);
  background: var(--_ac_emerald_light_280);
  padding: 2px 8px;
  border-radius: 4px;
}

._ac_app_ver_280 {
  font-size: 0.72rem;
  color: var(--_ac_text_muted_280);
  font-family: monospace;
  margin-top: 2px;
}

._ac_feat_ttl_280 {
  font-size: 1.15rem !important;
  font-weight: 800 !important;
  margin: 0 0 10px 0 !important;
}

._ac_card_a_280 {
  color: var(--_ac_text_dark_280) !important;
  text-decoration: none !important;
}

._ac_card_a_280:hover {
  color: var(--_ac_emerald_280) !important;
}

._ac_feat_desc_280 {
  font-size: 0.9rem;
  color: var(--_ac_text_muted_280);
  margin: 0;
  line-height: 1.6;
}

/* Stream List */
._ac_stream_list_280 {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

._ac_stream_card_280 {
  background: var(--_ac_surface_280);
  border: 1px solid var(--_ac_border_280);
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--_ac_shadow_280);
  transition: border-color 0.2s, box-shadow 0.2s;
}

._ac_stream_card_280:hover {
  border-color: var(--_ac_emerald_280);
  box-shadow: var(--_ac_shadow_hover_280);
}

._ac_stream_main_280 {
  flex: 1;
  min-width: 0;
}

._ac_stream_meta_280 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

._ac_stream_badge_280 {
  background: var(--_ac_emerald_light_280);
  color: var(--_ac_emerald_hover_280);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}

._ac_stream_date_280 {
  font-size: 0.78rem;
  color: var(--_ac_text_muted_280);
  font-family: monospace;
}

._ac_stream_ttl_280 {
  font-size: 1.08rem !important;
  font-weight: 800 !important;
  margin: 0 0 6px 0 !important;
  line-height: 1.4 !important;
}

._ac_ttl_a_280 {
  color: var(--_ac_text_dark_280) !important;
  text-decoration: none !important;
}

._ac_ttl_a_280:hover {
  color: var(--_ac_emerald_280) !important;
}

._ac_stream_desc_280 {
  font-size: 0.9rem;
  color: var(--_ac_text_muted_280);
  margin: 0;
  line-height: 1.6;
}

._ac_stream_side_280 {
  flex-shrink: 0;
}

._ac_stream_btn_280 {
  color: var(--_ac_emerald_280);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

/* Links */
._ac_link_sec_280 {
  margin-top: 48px;
}

._ac_link_box_280 {
  background: var(--_ac_surface_280);
  border: 1px solid var(--_ac_border_280);
  border-radius: 12px;
  padding: 24px;
}

._ac_link_ttl_280 {
  font-size: 0.95rem;
  font-weight: 800;
  margin: 0 0 14px 0;
}

._ac_link_group_280 {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

._ac_link_pill_280 {
  background: #f1f5f9;
  border: 1px solid var(--_ac_border_280);
  color: var(--_ac_text_muted_280);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s;
}

._ac_link_pill_280:hover {
  background: var(--_ac_emerald_280);
  border-color: var(--_ac_emerald_280);
  color: #ffffff;
}

/* Footer */
._ac_footer_280 {
  width: 100% !important;
  background: var(--_ac_surface_280);
  border-top: 1px solid var(--_ac_border_280);
  padding: 28px 0;
}

._ac_ft_in_280 {
  text-align: center;
  font-size: 0.85rem;
  color: var(--_ac_text_muted_280);
}

@media (max-width: 868px) {
  ._ac_hdr_in_280 {
    flex-direction: column;
    height: auto;
    padding: 12px 0;
    gap: 12px;
  }
  ._ac_feat_card_280 {
    flex: 1 1 100% !important;
  }
  ._ac_stream_card_280 {
    flex-direction: column;
    align-items: flex-start;
  }
}

@keyframes _ac_ghost_kf_280 {
  0% { transform: scale(1); }
  100% { transform: scale(1); }
}