/* ============================================
   通用工具站模板 - 样式表
   支持主题色变量，可通过config.js切换
   ============================================ */

:root {
  /* 主题色 - 通过config.js动态修改 */
  --primary: #4f6ef7;
  --primary-light: #eef1fe;
  --primary-dark: #3a56d4;
  --primary-gradient: linear-gradient(135deg, #4f6ef7, #6c8aff);

  /* 中性色 */
  --text-primary: #1a1a2e;
  --text-secondary: #5a5a7a;
  --text-muted: #9a9ab0;
  --bg-page: #f5f7fb;
  --bg-card: #ffffff;
  --bg-hover: #f0f2ff;
  --border: #e8eaf0;
  --border-light: #f0f1f5;

  /* 功能色 */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;

  /* 布局 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --header-height: 64px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }

/* ========== 顶部导航 ========== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  height: var(--header-height);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
}
.logo-icon {
  width: 32px; height: 32px;
  background: var(--primary-gradient);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px;
}
.search-box {
  flex: 1;
  max-width: 480px;
  position: relative;
}
.search-box input {
  width: 100%;
  height: 40px;
  padding: 0 16px 0 42px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-page);
  font-size: 14px;
  outline: none;
  transition: all 0.2s;
}
.search-box input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px var(--primary-light);
}
.search-box .search-icon {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
}
.search-results {
  position: absolute;
  top: 46px; left: 0; right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 360px;
  overflow-y: auto;
  display: none;
  z-index: 200;
}
.search-results.active { display: block; }
.search-result-item {
  padding: 10px 16px;
  display: flex; align-items: center; gap: 10px;
  cursor: pointer;
  transition: background 0.15s;
}
.search-result-item:hover { background: var(--primary-light); }
.search-result-item .icon { font-size: 18px; }
.search-result-item .name { font-size: 14px; font-weight: 500; }
.search-result-item .cat { font-size: 12px; color: var(--text-muted); margin-left: auto; }
.header-nav {
  display: flex; gap: 4px; margin-left: auto;
}
.header-nav a {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all 0.15s;
}
.header-nav a:hover, .header-nav a.active {
  color: var(--primary);
  background: var(--primary-light);
}

/* ========== 主内容区 ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

/* 英雄区 */
.hero {
  text-align: center;
  padding: 32px 0 24px;
}
.hero h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}
.hero h1 span { color: var(--primary); }
.hero p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* 分类标签 */
.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 20px 0 28px;
}
.cat-tab {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 14px;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all 0.2s;
}
.cat-tab:hover { border-color: var(--primary); color: var(--primary); }
.cat-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* 区块标题 */
.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 600;
  margin: 28px 0 16px;
}
.section-title .icon { font-size: 20px; }
.section-title .more {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: normal;
}

/* 工具卡片网格 */
.tool-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  max-width: 1050px;
  margin: 0 auto;
}

.tool-grid .tool-card {
  width: 180px;
  flex-shrink: 0;
}
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px 14px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.tool-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.tool-card .tool-icon {
  width: 44px; height: 44px;
  margin: 0 auto 10px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.tool-card .tool-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}
.tool-card .tool-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.4;
}
.tool-card.is-ad {
  background: linear-gradient(135deg, #fef9f3, #fff5eb);
  border: 1px dashed #f5d5a8;
}
.tool-card.is-ad .ad-label {
  position: absolute;
  top: 6px; right: 8px;
  font-size: 10px;
  color: #c88a3a;
  background: #fef0dc;
  padding: 1px 6px;
  border-radius: 4px;
}

/* 折叠分类区 */
.category-section {
  margin-bottom: 24px;
}
.category-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid var(--border-light);
  transition: all 0.15s;
}
.category-header:hover { border-color: var(--primary); }
.category-header .cat-icon { font-size: 20px; }
.category-header .cat-name { font-size: 16px; font-weight: 600; }
.category-header .cat-count {
  font-size: 12px; color: var(--text-muted);
  background: var(--bg-page); padding: 2px 8px; border-radius: 10px;
}
.category-header .arrow {
  margin-left: auto;
  transition: transform 0.2s;
  color: var(--text-muted);
}
.category-section.open .category-header .arrow { transform: rotate(180deg); }
.category-body {
  display: none;
  padding: 16px 0 0;
}
.category-section.open .category-body { display: block; }

/* ========== 工具详情页 ========== */
.tool-page {
  max-width: 800px;
  margin: 0 auto;
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }
.tool-header {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.tool-header h1 {
  font-size: 24px;
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 8px;
}
.tool-header h1 .icon {
  width: 44px; height: 44px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}
.tool-header .desc { color: var(--text-secondary); font-size: 14px; }

/* 工具操作区 - 零广告 */
.tool-workspace {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  min-height: 200px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary {
  background: var(--bg-page);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-group { display: flex; gap: 10px; flex-wrap: wrap; }

/* 结果区 */
.result-box {
  margin-top: 20px;
  padding: 18px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
}
.result-box .result-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.result-box .result-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  word-break: break-all;
}
.result-box .copy-btn {
  margin-top: 10px;
  font-size: 13px;
  color: var(--primary);
  padding: 4px 12px;
  border: 1px solid var(--primary);
  border-radius: 6px;
  background: #fff;
}
.result-detail {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-secondary);
}
.result-detail table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}
.result-detail th, .result-detail td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  font-size: 13px;
}
.result-detail th { color: var(--text-muted); font-weight: 500; }

/* 广告位容器 */
.ad-slot {
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 13px;
  margin: 20px 0;
  overflow: hidden;
}
.ad-slot::before {
  content: "广告位 AD";
  position: absolute;
}
.ad-banner { height: 90px; position: relative; }
.ad-rectangle { width: 300px; height: 250px; margin: 20px auto; position: relative; }
.ad-native { height: 100%; min-height: 90px; position: relative; }

/* 使用说明 */
.tool-info {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.tool-info h2 {
  font-size: 18px;
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.tool-info p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.8;
}
.tool-info ul { padding-left: 20px; }
.tool-info li {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

/* 相关工具推荐 */
.related-tools {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.related-tools h3 {
  font-size: 16px;
  margin-bottom: 16px;
}

/* ========== 休闲娱乐页 ========== */
.fun-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.test-question {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.6;
}
.test-options { display: flex; flex-direction: column; gap: 10px; }
.test-option {
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 15px;
}
.test-option:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.test-option.selected {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}
.test-progress {
  height: 6px;
  background: var(--bg-page);
  border-radius: 3px;
  margin-bottom: 20px;
  overflow: hidden;
}
.test-progress-bar {
  height: 100%;
  background: var(--primary-gradient);
  transition: width 0.3s;
}
.riddle-answer {
  margin-top: 16px;
  padding: 16px;
  background: #f0fdf4;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--success);
  display: none;
}
.riddle-answer.show { display: block; }
.idiom-input-row {
  display: flex; gap: 10px; margin-bottom: 16px;
}
.idiom-input-row input { flex: 1; }
.idiom-chain {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
}
.idiom-item {
  padding: 8px 14px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
}
.idiom-arrow { color: var(--text-muted); }

/* ========== 页脚 ========== */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-light);
  padding: 32px 0 24px;
  margin-top: 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
}
.footer-links a:hover { color: var(--primary); }
.footer-copy {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.8;
}
.footer-copy .beian { margin-left: 10px; }

/* Toast提示 */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  opacity: 0;
  transition: all 0.3s;
  z-index: 9999;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .header-inner { padding: 0 12px; gap: 10px; }
  .logo { font-size: 16px; }
  .logo-text { display: none; }
  .header-nav { display: none; }
  .hero h1 { font-size: 22px; }
  .tool-grid { gap: 10px; }
  .tool-grid .tool-card { width: 110px; }
  .tool-card { padding: 14px 8px; }
  .tool-card .tool-icon { width: 36px; height: 36px; font-size: 18px; }
  .tool-card .tool-name { font-size: 13px; }
  .tool-card .tool-desc { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .tool-workspace { padding: 18px 14px; }
  .container { padding: 16px 12px 40px; }
  .ad-rectangle { width: 100%; max-width: 300px; }
}

@media (max-width: 480px) {
  .tool-grid .tool-card { width: calc(33.33% - 10px); min-width: 90px; }
  .tool-cat-nav .tool-cat-item { width: calc(50% - 6px); min-width: 120px; }
  .cat-tab { padding: 6px 12px; font-size: 13px; }
}

/* ========== 教程文章模块 ========== */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.article-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(79, 110, 247, 0.15);
  transform: translateY(-2px);
}

.article-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.article-content {
  flex: 1;
  min-width: 0;
}

.article-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.article-cat {
  color: var(--primary);
  font-weight: 500;
}

.article-hot {
  color: #ef4444;
  font-weight: 500;
}

.article-cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.article-cat-tab {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.article-cat-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.article-cat-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* 文章弹窗 */
.article-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
}

.article-modal {
  background: var(--bg-card);
  border-radius: 16px;
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.article-modal-header {
  position: sticky;
  top: 0;
  background: var(--bg-card);
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
}

.article-modal-cat {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
}

.article-modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-secondary);
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-modal-close:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.article-modal-body {
  padding: 24px;
}

.article-modal-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 12px;
}

.article-modal-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.article-modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.article-tag {
  padding: 4px 10px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 12px;
  font-size: 12px;
}

.article-modal-content {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-modal-full {
  display: inline-block;
  margin-top: 20px;
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 15px;
  transition: background 0.2s ease;
}

.article-modal-full:hover {
  background: var(--primary-dark);
}

.article-modal-content h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 24px 0 12px;
  padding-left: 10px;
  border-left: 3px solid var(--primary);
}

.article-modal-content p {
  margin-bottom: 12px;
}

.article-modal-content ul,
.article-modal-content ol {
  margin-bottom: 12px;
  padding-left: 24px;
}

.article-modal-content li {
  margin-bottom: 6px;
}

.article-modal-content code {
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 13px;
  color: var(--primary);
}

@media (max-width: 768px) {
  .article-grid {
    grid-template-columns: 1fr;
  }
  .article-modal-title {
    font-size: 20px;
  }
  .article-modal-body {
    padding: 16px;
  }
}

/* ========== 工具分类导航 ========== */
.tool-cat-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.tool-cat-nav .tool-cat-item {
  width: 140px;
  flex-shrink: 0;
}

.tool-cat-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
  text-decoration: none;
  transition: all 0.2s ease;
}

.tool-cat-item:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(79, 110, 247, 0.15);
  transform: translateY(-2px);
}

.tool-cat-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 10px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.tool-cat-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.tool-cat-count {
  font-size: 12px;
  color: var(--text-muted);
}

/* ========== 资源推荐 ========== */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.resource-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  transition: all 0.2s ease;
}

.resource-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(79, 110, 247, 0.1);
}

.resource-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.resource-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.resource-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.resource-cat {
  font-size: 12px;
  color: var(--primary);
  margin-top: 2px;
}

.resource-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.resource-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.resource-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-page);
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
}

.resource-item:hover {
  background: var(--primary-light);
}

.resource-item-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  flex-shrink: 0;
}

.resource-item-desc {
  font-size: 12px;
  color: var(--text-muted);
  text-align: right;
  flex: 1;
}

@media (max-width: 768px) {
  .tool-cat-nav .tool-cat-item {
    width: calc(33.33% - 8px);
    min-width: 100px;
  }
  .resource-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .tool-cat-nav {
    grid-template-columns: repeat(2, 1fr);
  }
}