/* ===================== 资源导航页样式 ===================== */

.nav-page-layout {
  display: flex;
  max-width: 1280px;
  margin: 72px auto 0;
  padding: 24px 24px 48px;
  gap: 24px;
  min-height: calc(100vh - 72px);
}

/* ===================== 左侧边栏 ===================== */
.sidebar {
  width: 200px;
  flex-shrink: 0;
  position: sticky;
  top: 72px;
  height: fit-content;
  max-height: calc(100vh - 90px);
  overflow-y: auto;
}
.sidebar-section { margin-bottom: 28px; }
.sidebar-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  padding-left: 4px;
}

/* 分类列表 */
.category-list { display: flex; flex-direction: column; gap: 2px; }
.category-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 13px;
  transition: var(--transition);
  border: 1px solid transparent;
}
.category-item:hover {
  color: var(--text-primary);
  background: var(--bg-card2);
}
.category-item.active {
  color: var(--accent);
  background: var(--accent-glow);
  border-color: rgba(0,212,255,0.2);
}
.category-icon {
  font-size: 14px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: inherit;
}
.category-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-dark);
  padding: 1px 6px;
  border-radius: 10px;
}

/* 标签 */
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-item {
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.tag-item:hover, .tag-item.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* 联系区域 */
.sidebar-contact { text-align: center; }
.contact-label { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.sidebar-qr-img {
  width: 100px;
  height: 100px;
  background: #fff;
  border-radius: 8px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.sidebar-qr-img img { width: 100%; height: 100%; object-fit: cover; }
.sidebar-qr-img .qr-placeholder {
  font-size: 10px;
  color: #333;
  text-align: center;
  padding: 6px;
}

/* ===================== 主内容区 ===================== */
.nav-main { flex: 1; min-width: 0; }
.nav-main-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.section-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.section-count {
  font-size: 13px;
  color: var(--text-muted);
  flex: 1;
}
.view-toggle { display: flex; gap: 4px; }
.view-btn {
  padding: 6px 8px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.view-btn.active, .view-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* 平台网格 */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.platform-grid.list-view {
  grid-template-columns: 1fr;
}

/* 平台卡片 */
.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.platform-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.platform-card:hover {
  border-color: var(--border-light);
  box-shadow: 0 4px 24px rgba(0,212,255,0.08);
  transform: translateY(-2px);
}
.platform-card:hover::before { transform: scaleX(1); }

.card-header { display: flex; align-items: flex-start; gap: 12px; }
.card-avatar {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.card-title-wrap { flex: 1; min-width: 0; }
.card-name {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-subtitle { font-size: 12px; color: var(--text-muted); }

.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}
.badge-hot     { background: rgba(255,82,82,0.15);  color: var(--red);    border: 1px solid rgba(255,82,82,0.3); }
.badge-new     { background: rgba(0,230,118,0.12);  color: var(--green);  border: 1px solid rgba(0,230,118,0.3); }
.badge-rec     { background: rgba(0,212,255,0.12);  color: var(--accent); border: 1px solid rgba(0,212,255,0.3); }
.badge-ent     { background: rgba(255,215,64,0.12); color: var(--yellow); border: 1px solid rgba(255,215,64,0.3); }
.badge-free    { background: rgba(0,166,81,0.15);   color: #00a651;       border: 1px solid rgba(0,166,81,0.3); }
.badge-open    { background: rgba(34,197,94,0.12);  color: #22c55e;       border: 1px solid rgba(34,197,94,0.3); }
.badge-net     { background: rgba(124,58,237,0.15); color: #a78bfa;       border: 1px solid rgba(124,58,237,0.3); }
.badge-builtin { background: rgba(124,58,237,0.12); color: #c4b5fd;       border: 1px solid rgba(124,58,237,0.3); }
.badge-buy     { background: rgba(245,158,11,0.15); color: #fbbf24;       border: 1px solid rgba(245,158,11,0.3); }

.card-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.card-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  font-size: 12px;
}
.meta-item { display: flex; flex-direction: column; gap: 2px; }
.meta-label { color: var(--text-muted); font-size: 11px; }
.meta-value { color: var(--text-secondary); }

.card-btn {
  display: block;
  width: 100%;
  padding: 9px;
  text-align: center;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 7px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  margin-top: auto;
}
.card-btn:hover {
  background: var(--accent);
  color: #000;
  font-weight: 700;
}

/* 列表视图 */
.platform-grid.list-view .platform-card {
  flex-direction: row;
  align-items: center;
  padding: 16px 20px;
  gap: 16px;
}
.platform-grid.list-view .card-header { flex: 0 0 240px; }
.platform-grid.list-view .card-desc { flex: 1; -webkit-line-clamp: 2; }
.platform-grid.list-view .card-meta { flex: 0 0 200px; grid-template-columns: 1fr 1fr; }
.platform-grid.list-view .card-btn { flex: 0 0 100px; margin-top: 0; }
.platform-grid.list-view .card-badge { position: static; }

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
}
.page-btn {
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}
.page-btn:hover, .page-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}
.page-btn.active { font-weight: 700; color: #fff; background: var(--accent); border-color: var(--accent); }
.page-text {
  padding: 0 12px;
  color: var(--text-muted);
  font-size: 13px;
}

/* 响应式 */
@media (max-width: 1100px) {
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .nav-page-layout { flex-direction: column; }
  .sidebar { width: 100%; position: static; max-height: none; }
  .category-list { flex-direction: row; flex-wrap: wrap; }
  .category-item { width: auto; }
}
@media (max-width: 640px) {
  .nav-page-layout { padding: 16px; }
  .platform-grid { grid-template-columns: 1fr; }
  .platform-grid.list-view .platform-card { flex-direction: column; }
  .platform-grid.list-view .card-header { flex: none; }
  .platform-grid.list-view .card-meta { flex: none; grid-template-columns: repeat(2,1fr); }
  .platform-grid.list-view .card-btn { flex: none; }
}