/* 首页特色工具与工具箱发现入口；沿用全站主题变量。 */
.tool-discovery { margin: 24px 0 20px; padding: 22px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.tool-category-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.tool-category-link { display: inline-flex; align-items: center; gap: 9px; min-height: 39px; padding: 7px 14px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink-700); font-size: 13px; }
.tool-category-link span { color: var(--ink-500); font-size: 11px; }
.tool-category-link:hover { border-color: var(--blue-500); background: var(--blue-50); color: var(--blue-700); text-decoration: none; }
.tool-category-link.is-active { background: var(--blue-700); border-color: var(--blue-700); color: #fff; font-weight: 600; }
.tool-category-link.is-active span { color: rgba(255,255,255,.8); }
.tool-search-form { display: flex; align-items: end; flex-wrap: wrap; gap: 12px; }
.tool-search-form label { display: flex; flex-direction: column; gap: 5px; min-width: 140px; flex: 1; }
.tool-search-form label > span { color: var(--ink-700); font-size: 12px; font-weight: 600; }
.tool-search-form .tool-search-field { flex: 3; min-width: 220px; }
.tool-search-form input, .tool-search-form select { width: 100%; min-height: 41px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 7px; background: var(--card); color: var(--ink-900); font: inherit; font-size: 13px; }
.tool-search-form input:focus, .tool-search-form select:focus { outline: 2px solid var(--blue-500); outline-offset: 2px; }
.tool-search-form .btn { min-height: 41px; }
.tool-filter-note { margin: 9px 0 0; color: var(--ink-500); font-size: 12px; }
.tool-applied-filters { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; margin-top: 15px; padding-top: 14px; border-top: 1px solid var(--line-soft); font-size: 12px; color: var(--ink-500); }
.tool-applied-filters > a { display: inline-flex; align-items: center; gap: 10px; max-width: 100%; padding: 3px 9px; background: var(--blue-50); border: 1px solid var(--blue-100); border-radius: 5px; color: var(--blue-700); overflow-wrap: anywhere; }
.tool-applied-filters > a:hover { border-color: var(--blue-500); text-decoration: none; }
.tool-applied-filters .tool-filter-clear { background: none; border-color: transparent; }
.tool-results-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; }
.tool-results-head h2, .tool-results-head p { margin: 0; }
.tool-results-head p { color: var(--ink-500); font-size: 12px; }
.tool-results-head b { color: var(--blue-700); }
.tool-directory-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tool-directory-card { min-width: 0; padding: 22px; border-top: 3px solid var(--blue-100); transition: border-color .15s, box-shadow .15s; }
.tool-directory-card:hover { border-color: var(--blue-500); box-shadow: var(--shadow-lg); }
.tool-category-label { padding: 3px 8px; border-radius: 5px; background: var(--blue-50); color: var(--blue-700); font-size: 11px; }
.tool-directory-card .tool-description { margin-bottom: 17px; }
.tool-card-details { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 7px; }
.tool-card-details span { font-size: 11px; padding: 2px 7px; color: var(--ink-700); background: var(--bg); border-radius: 4px; }
.tool-stage-label { color: var(--ink-700); font-size: 12px; }
.tool-access-label { margin: 3px 0 16px; color: var(--ink-500); font-size: 11px; }
.tool-directory-empty { padding: 42px 22px; text-align: center; background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); }
.tool-directory-empty > span { font-size: 36px; color: var(--blue-600); }
.tool-directory-empty p { color: var(--ink-500); margin-bottom: 18px; }
.featured-tools { margin-bottom: 24px; }
.featured-tools-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.featured-tool { min-width: 0; display: flex; flex-direction: column; overflow: hidden; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .15s, box-shadow .15s; }
.featured-tool:hover { border-color: var(--blue-500); box-shadow: var(--shadow); }
.featured-tool-art { position: relative; height: 114px; display: grid; place-items: center; background: var(--blue-50); color: var(--blue-700); border-bottom: 1px solid var(--line-soft); }
.featured-tool-art svg { display: block; width: 220px; max-width: 100%; height: 94px; }
.featured-tool-art > span { position: absolute; top: 8px; left: 10px; color: var(--blue-700); font-size: 10px; }
.featured-tool-body { flex: 1; display: flex; flex-direction: column; align-items: flex-start; padding: 17px; }
.featured-tool-body h3 { font-size: 16px; margin-bottom: 8px; }
.featured-tool-body h3 a { color: var(--ink-900); }
.featured-tool-body p { color: var(--ink-500); font-size: 12px; margin-bottom: 13px; flex: 1; }
.featured-tool-stage { color: var(--ink-500); font-size: 10px; margin-bottom: 12px; }
.featured-tool-links { display: flex; flex-direction: column; align-items: flex-start; min-height: 46px; }
.featured-tool-action { font-size: 13px; font-weight: 600; }
.featured-tool-secondary { font-size: 11px; margin-top: 7px; color: var(--ink-500); }
.tool-discovery a:focus-visible, .tool-directory-card a:focus-visible, .featured-tools a:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 3px; }
@media (max-width: 1000px) {
  .featured-tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-directory-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .tool-discovery { padding: 17px; }
  .tool-category-link { padding: 7px 10px; gap: 6px; }
  .tool-search-form { gap: 10px; }
  .tool-search-form label { min-width: 0; flex: 1 1 calc(50% - 5px); }
  .tool-search-form .tool-search-field { min-width: 0; flex-basis: 100%; }
  .tool-search-form .btn { flex: 1; }
  .tool-directory-grid, .featured-tools-grid { grid-template-columns: minmax(0, 1fr); }
  .featured-tools > .public-section-head { align-items: start; flex-direction: column; gap: 8px; }
  .featured-tool { display: grid; grid-template-columns: 82px minmax(0, 1fr); }
  .featured-tool-art { height: 100%; min-height: 160px; border-bottom: 0; border-right: 1px solid var(--line-soft); }
  .featured-tool-art svg { width: 100%; }
  .featured-tool-art > span { display: none; }
  .featured-tool-links { min-height: 0; }
  .tool-results-head, .tool-discovery .toolbox-section-head { align-items: start; flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  .tool-directory-card, .featured-tool { transition: none; }
}