/* ============================================================
   components.css — 内页专用区块（列表页 / 详情页）
   只使用 tokens.css 的变量；首页组件直接复用，不复制。
   ============================================================ */

/* ---------------------------------------------------------- 面包屑 */

.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-2);
  color: var(--muted);
}
.crumb a { transition: color 0.2s var(--ease); }
.crumb a:hover { color: var(--accent); }
.crumb-sep { color: var(--line-strong); }
.crumb [aria-current="page"] { color: var(--navy); }

/* ---------------------------------------------------------- 列表页头 */

.list-head {
  padding: clamp(28px, 4vw, 52px) 0 clamp(28px, 3vw, 44px);
  border-bottom: 1px solid var(--line);
}
.list-head h1 {
  margin-top: 22px;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.15;
}
.list-meta {
  margin-top: 14px;
  font-size: var(--fs-2);
  letter-spacing: 0.05em;
  color: var(--accent);
}
.list-lead {
  margin-top: 12px;
  max-width: 38em;
  font-size: var(--fs-6);
  line-height: 1.85;
  color: var(--text-body);
}

/* ---------------------------------------------------------- 筛选 / 排序 */

.filters {
  position: sticky;
  top: 76px;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  padding: 14px 0;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.filter-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-btn {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: transparent;
  font-size: var(--fs-4);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.filter-btn:hover { border-color: var(--navy); background: var(--bg-card); }
.filter-btn[aria-pressed="true"] {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--bg);
}
.sort {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.sort-btn {
  min-height: 40px;
  padding: 0 12px;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  font-size: var(--fs-2);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.sort-btn:hover { color: var(--navy); }
.sort-btn[aria-pressed="true"] { color: var(--navy); border-color: var(--accent); }
.result-count {
  font-size: var(--fs-2);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---------------------------------------------------------- 列表布局 */

.list-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: clamp(32px, 4vw, 56px);
  align-items: start;
  padding: clamp(32px, 4vw, 56px) 0 var(--section-y);
}

.list-main-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}
.list-main-head h2 { font-size: var(--fs-12); }
.list-main-head p { font-size: var(--fs-2); color: var(--muted); }

.list-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px 24px;
}

.list-card {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line-strong);
  padding-top: 16px;
  min-width: 0;
}
.list-card-media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--r-2);
  background: var(--bg-soft);
}
.list-card-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.crop-top { object-position: 50% 30%; }
.crop-mid { object-position: 50% 45%; }
.crop-low { object-position: 50% 60%; }
.crop-center { object-position: 50% 50%; }
.crop-left { object-position: 40% 55%; }
.list-card:hover .list-card-media img { transform: scale(1.03); }
.list-card-no {
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  background: rgba(16, 42, 38, 0.66);
  color: var(--bg);
  font-family: var(--display);
  font-size: var(--fs-2);
  letter-spacing: 0.06em;
}
.list-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(16, 42, 38, 0.18));
  pointer-events: none;
}

.list-card-body { padding-top: 14px; }
.list-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-1);
  color: var(--muted);
}
.list-card-meta .tag { margin-top: 0; padding: 2px 10px; font-size: var(--fs-1); }
.list-card h3 {
  margin-top: 10px;
  font-size: var(--fs-9);
  line-height: 1.5;
}
.list-card h3 a { transition: color 0.2s var(--ease); }
.list-card h3 a:hover { color: var(--accent); }
.list-card p {
  margin-top: 8px;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--muted);
}

.empty-state {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  font-size: var(--fs-6);
  color: var(--muted);
}

/* ---------------------------------------------------------- 侧栏 */

.list-sidebar {
  position: sticky;
  top: 156px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.side-group {
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--bg-card);
}
.side-group h2 {
  margin-bottom: 12px;
  font-size: var(--fs-8);
}
.side-group a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  font-size: var(--fs-4);
  color: var(--text-strong);
  border-bottom: 1px solid var(--line);
  transition: color 0.2s var(--ease);
}
.side-group a:last-child { border-bottom: 0; }
.side-group a:hover { color: var(--accent); }
.side-group a:not(.side-sub)::after { content: "→"; color: var(--muted); }
.side-sub { padding-left: 12px; font-size: var(--fs-3); color: var(--muted); }
.side-sub::before { content: "—"; margin-right: 8px; color: var(--line-strong); }

.popular { display: flex; flex-direction: column; gap: 12px; }
.popular-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.popular-item:last-child { border-bottom: 0; padding-bottom: 0; }
.popular-item a {
  grid-column: 1 / 2;
  font-family: var(--display);
  font-size: var(--fs-4);
  line-height: 1.55;
  border: 0;
  padding: 0;
  display: block;
}
.popular-item time { font-size: var(--fs-1); color: var(--muted); white-space: nowrap; }

/* ---------------------------------------------------------- 列表说明 */

.list-seo {
  padding: var(--section-y) 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}
.list-seo h2 { font-size: clamp(26px, 2.6vw, 34px); margin-bottom: 18px; }
.list-seo p {
  max-width: 44em;
  font-size: var(--fs-6);
  line-height: 1.95;
  color: var(--text-body);
}

/* ---------------------------------------------------------- 详情页头 */

.article-head {
  padding: clamp(28px, 4vw, 56px) 0 clamp(28px, 3vw, 44px);
  border-bottom: 1px solid var(--line);
}
.article-head h1 {
  margin-top: 18px;
  max-width: 18em;
  font-size: clamp(30px, 3.6vw, 50px);
  line-height: 1.3;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 18px;
  font-size: var(--fs-2);
  color: var(--muted);
}
.article-meta .tag { margin-top: 0; }
.article-lead {
  margin-top: 20px;
  max-width: 36em;
  font-family: var(--display);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.8;
  color: var(--navy);
}

/* ---------------------------------------------------------- 详情布局 */

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(220px, 3fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
  padding: clamp(32px, 4vw, 56px) 0 var(--section-y);
}

.article {
  min-width: 0;
  font-size: var(--fs-7);
  line-height: 1.95;
  color: var(--text-body);
}
.article-figure { margin: 0 0 32px; }
.article-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--r-2);
  background: var(--bg-soft);
}
.article-figure figcaption {
  margin-top: 10px;
  font-size: var(--fs-2);
  color: var(--muted);
  letter-spacing: 0.03em;
}

.article-intro {
  max-width: 40em;
  font-size: var(--fs-9);
  line-height: 1.9;
  color: var(--navy);
  padding-left: 18px;
  border-left: 2px solid var(--accent);
  margin-bottom: 36px;
}
.article-body section { scroll-margin-top: 120px; }
.article-body section + section { margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--line); }
.article-body h2 {
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.45;
  margin-bottom: 16px;
}
.article-body p + p { margin-top: 14px; }

.toc {
  position: sticky;
  top: 156px;
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--bg-card);
}
.toc h2 {
  margin-bottom: 12px;
  font-size: var(--fs-8);
}
.toc a {
  display: block;
  padding: 7px 0 7px 12px;
  border-left: 1px solid var(--line);
  font-size: var(--fs-3);
  line-height: 1.5;
  color: var(--muted);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.toc a:hover,
.toc a.is-current { color: var(--navy); border-color: var(--accent); }
.toc-toggle { display: none; }

/* ---------------------------------------------------------- 相关条目 */

.related {
  padding: var(--section-y) 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}
.related h2 { font-size: clamp(26px, 2.6vw, 34px); margin-bottom: 24px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.related-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.related-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }
.related-card h3 { font-size: var(--fs-6); line-height: 1.55; text-wrap: balance; }
.related-card h3 a:hover { color: var(--accent); }
.related-card time { margin-top: auto; font-size: var(--fs-1); color: var(--muted); }

/* ---------------------------------------------------------- 响应式 */

@media (max-width: 1180px) {
  .filters { top: 70px; }
}

@media (max-width: 1024px) {
  .list-layout { grid-template-columns: 1fr; }
  .list-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .list-sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .toc {
    position: static;
    order: -1;
    padding: 14px 18px;
  }
  .toc-list { display: flex; flex-wrap: wrap; gap: 4px 18px; }
  .toc a { border-left: 0; border-bottom: 1px solid var(--line); padding: 4px 0; }
  .toc a.is-current { border-color: var(--accent); }
}

@media (max-width: 960px) {
  .filters { position: static; }
  .list-sidebar { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .list-grid { grid-template-columns: 1fr; }
  .list-main-head { flex-direction: column; align-items: flex-start; gap: 6px; }
  .sort { margin-left: 0; }
  .result-count { margin-left: auto; }
  .related-grid { grid-template-columns: 1fr; }
  .filters { gap: 10px; padding: 12px 0; }
  .filter-btn { min-height: 36px; padding: 0 13px; font-size: var(--fs-2); }
  .article-head h1 { font-size: 30px; }
  .article { font-size: var(--fs-6); }
}

/* ============================================================
   theme1636 · 单主分类首页与数据化列表 / 详情补充
   ============================================================ */

.cat-index--single { grid-template-columns: 1fr; }
.cat-index--single .cat-row { min-height: 208px; padding: 26px 28px; }
.cat-index--single .cat-text { max-width: 38em; }
.cat-index--single .cat-name { margin-top: 3px; font-size: 24px; }
.cat-index--single .cat-desc {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.8;
  -webkit-line-clamp: 4;
}
.cat-index--single .cat-row img {
  width: 236px;
  height: 146px;
  border-radius: 5px;
}

.subcat-group {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.subcat-label {
  flex: none;
  padding-top: 3px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-deep);
}
.subcat-list { display: flex; flex-wrap: wrap; gap: 7px; }
.subcat-list a {
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: #fff;
  font-size: 10.5px;
  line-height: 1.5;
  color: var(--text-body);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.subcat-list a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.filter-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  width: 100%;
}
.filters a.filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.filters .result-count { margin-left: auto; }

.search-form { display: flex; width: min(560px, 100%); gap: 10px; }
.search-form input {
  min-width: 0;
  flex: 1;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: #fff;
  font: inherit;
  font-size: var(--fs-4);
  color: var(--text-strong);
}
.search-form input:focus {
  border-color: var(--accent);
  outline: 2px solid rgba(47, 127, 212, 0.14);
}
.search-form .btn { border: 0; cursor: pointer; }

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-size: var(--fs-3);
  color: var(--text-body);
  font-variant-numeric: tabular-nums;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination .current { background: var(--navy); border-color: var(--navy); color: #fff; }

.article-intro { margin-bottom: 30px; }

.article-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.article-nav-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--bg-card);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.article-nav-item:hover { border-color: var(--accent); box-shadow: 0 4px 16px rgba(15, 53, 94, 0.06); }
.article-nav-item span { font-size: var(--fs-1); color: var(--muted); }
.article-nav-item strong { font-size: var(--fs-5); font-weight: 600; line-height: 1.5; color: var(--text-strong); }
.article-nav-next { grid-column: 2; text-align: right; }

.faq-list { display: grid; gap: 10px; margin-top: 22px; }
.faq-item { border: 1px solid var(--line); background: var(--bg-card); }
.faq-item summary {
  padding: 15px 18px;
  cursor: pointer;
  font-size: var(--fs-6);
  font-weight: 600;
  color: var(--navy);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; float: right; margin-left: 16px; color: var(--accent); }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding: 0 18px 16px; font-size: var(--fs-5); line-height: 1.85; color: var(--muted); }

@media (max-width: 1024px) {
  .cat-index--single .cat-row img { width: 180px; height: 120px; }
}

@media (max-width: 700px) {
  .cat-index--single .cat-row { align-items: flex-start; padding: 18px; }
  .cat-index--single .cat-name { font-size: 20px; }
  .cat-index--single .cat-row img { width: 108px; height: 100px; }
  .subcat-group { flex-direction: column; gap: 8px; padding: 14px; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav-next { grid-column: 1; text-align: left; }
  .filters .result-count { margin-left: 0; }
  .search-form { width: 100%; }
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  transition: color 0.2s var(--ease);
}
.header-cta:hover { color: var(--accent-deep); }

@media (max-width: 480px) {
  .header-cta { display: none; }
}