/* ============================================
   应用坞 - 特殊页面样式
   社区页 / 购物页 / 工具页 / 生活页 / 提交页
   ============================================ */

/* ---------- 通用页面容器 ---------- */
.page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 20px;
}

.page-header {
  text-align: center;
  margin-bottom: 40px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.page-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
}

/* ---------- 分类卡片网格 ---------- */
.category-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.category-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.category-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-deep), var(--primary-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  flex-shrink: 0;
}

.category-card.orange .category-card-icon {
  background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-light));
}

.category-card.green .category-card-icon {
  background: linear-gradient(135deg, #00b894, #55efc4);
}

.category-card.purple .category-card-icon {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
}

.category-card.pink .category-card-icon {
  background: linear-gradient(135deg, #e84393, #fd79a8);
}

.category-card-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.category-card-body p {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* ---------- 站点卡片网格 ---------- */
.site-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.site-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.site-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary-light), var(--primary-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  flex-shrink: 0;
}

.site-info {
  flex: 1;
  min-width: 0;
}

.site-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-desc {
  font-size: 11px;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- 区块标题 ---------- */
.block-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 30px 0 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-light);
}

.block-title::before {
  content: "";
  width: 4px;
  height: 22px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent-orange), var(--accent-orange-light));
}

/* ---------- 表单样式 ---------- */
.form-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  max-width: 700px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-label .required {
  color: var(--accent-orange);
  margin-left: 3px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-body);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 3px rgba(255, 122, 34, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-tip {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 6px;
}

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

/* ---------- 工具分类卡片 ---------- */
.tool-category-section {
  margin-bottom: 36px;
}

.tool-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.tool-category-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-deep), var(--primary-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
}

.tool-category-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

/* ---------- 商品卡片 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}

.product-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.product-image {
  height: 140px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 40px;
}

.product-info {
  padding: 14px;
}

.product-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-price {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-orange);
}

.product-price span {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-tertiary);
  text-decoration: line-through;
  margin-left: 8px;
}

.product-sales {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 6px;
}

/* ---------- 服务卡片 ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  gap: 16px;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  flex-shrink: 0;
}

.service-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.service-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* 响应式 */
@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  .form-card {
    padding: 24px 20px;
  }
}

/* ============================================
   优化：无障碍 & 响应式 & 性能增强
   ============================================ */

/* 优化：无障碍 - 特殊页面交互元素键盘焦点样式（仅键盘导航时显示） */
.category-card:focus-visible,
.site-card:focus-visible,
.product-card:focus-visible,
.service-card:focus-visible,
.tool-category-section:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible,
.form-card .btn:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* 优化：无障碍 - 尊重 prefers-reduced-motion 偏好，关闭卡片悬浮等非必要动画 */
@media (prefers-reduced-motion: reduce) {
  .category-card,
  .site-card,
  .product-card,
  .service-card,
  .form-input,
  .form-select,
  .form-textarea,
  .download-btn,
  .pagination-btn {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* 优化：响应式 - 平板适配（≤900px）分类卡片网格密度调整 */
@media (max-width: 900px) {
  .category-card-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
  }
  .site-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
  }
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
  }
  .service-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
  }
  .page-content {
    padding: 24px 16px;
  }
  .page-title {
    font-size: 24px;
  }
}

/* 优化：响应式 - 移动端适配（≤480px）单列布局，防止内容拥挤 */
@media (max-width: 480px) {
  .page-content {
    padding: 20px 14px;
  }
  .page-header {
    margin-bottom: 28px;
  }
  .page-title {
    font-size: 22px;
  }
  .page-subtitle {
    font-size: 13px;
  }
  .category-card-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .category-card {
    padding: 18px;
    gap: 12px;
  }
  .category-card-icon {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
  .site-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .site-card {
    padding: 12px;
    gap: 10px;
  }
  .site-icon {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .product-image {
    height: 110px;
    font-size: 32px;
  }
  .product-info {
    padding: 10px;
  }
  .product-name {
    font-size: 13px;
  }
  .product-price {
    font-size: 16px;
  }
  .service-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .service-card {
    padding: 18px;
    gap: 12px;
  }
  .service-icon {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }
  .block-title {
    font-size: 18px;
    margin: 24px 0 14px;
  }
  .form-card {
    padding: 20px 16px;
  }
}

/* 优化：响应式 - 超小屏适配（≤360px）紧凑布局 */
@media (max-width: 360px) {
  .page-title {
    font-size: 20px;
  }
  .category-card {
    padding: 14px;
    gap: 10px;
  }
  .site-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }
}

/* 优化：性能 - 卡片悬浮动画启用 GPU 合成层，减少重绘 */
.category-card,
.site-card,
.product-card,
.service-card {
  will-change: transform;
}