/* ==========================================================================
   蓝魔鬼科普网 · inner.css（分类页 / 详情页专属）
   依赖 tokens.css（变量）与 components.css（基础排版 / 页头 / 页脚 / 按钮 / 面包屑 /
   筛选条 / 正文排版 / 目录 / 相关阅读）。首页专属样式在 style.css，内页不加载它。
   ========================================================================== */

/* ------------------------------------------------------- 分类页：分类索引 */
.cat-index { padding: 24px 0 4px; }
.cat-index h2 { font-size: 21px; font-weight: 800; }
.cat-index > .container > p { margin-top: 8px; font-size: var(--fs-md); color: var(--muted); }
.cat-index-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}
.cat-index-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  scroll-margin-top: 90px;
}
.cat-index-list a { font-size: var(--fs-lg); font-weight: 700; color: var(--ink); }
.cat-index-list a:hover { color: var(--blue-deep); }
.cat-index-list span { font-size: var(--fs-sm); color: var(--muted); }

/* ------------------------------------------------------- 分类页：笔记网格 */
.notes { padding: 22px 0 6px; }

.notes-head { max-width: 900px; }
.notes-head h2 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
}
.notes-head h2 span {
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  font-size: var(--fs-3xl);
  color: var(--blue);
}
.notes-head p {
  margin-top: 8px;
  font-size: var(--fs-md);
  line-height: 1.7;
  color: var(--muted);
}

.note-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 18px;
}

.note-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.note-card:hover {
  transform: translateY(-2px);
  border-color: #cfe0f8;
  box-shadow: var(--shadow-card-hover);
}
.note-card.is-hidden { display: none; }

.note-thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  background: var(--blue-pale);
  overflow: hidden;
}
.note-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .3s;
}
.note-card:hover .note-thumb img { transform: scale(1.04); }
.note-thumb .tag { position: absolute; top: 8px; left: 8px; }

.note-body { padding: 14px 16px 16px; display: flex; flex-direction: column; flex: 1; }
.note-body h3 { font-size: var(--fs-4xl); font-weight: 700; line-height: 1.45; }
.note-body h3 a { color: var(--ink); }
.note-body h3 a:hover { color: var(--blue-deep); }
.note-body p { margin-top: 7px; font-size: var(--fs-base); line-height: 1.6; color: var(--muted); }
.note-body .meta {
  margin-top: auto;
  padding-top: 10px;
  font-size: var(--fs-s);
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  color: var(--faint);
}

/* ------------------------------------------------------- 分类页：四步认鱼 */
.judge { padding: 26px 0 8px; }
.judge h2 {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 21px;
  font-weight: 800;
}
.judge-steps {
  list-style: none;
  padding-left: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 16px;
}
.judge-step {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--blue-card);
}
.judge-step .step-no {
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  font-size: var(--fs-s);
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--blue);
}
.judge-step h3 { margin-top: 6px; font-size: var(--fs-3xl); font-weight: 800; }
.judge-step p { margin-top: 6px; font-size: var(--fs-base); line-height: 1.6; color: var(--text); }

/* --------------------------------------------------- 分类页：分类说明长文 */
.list-desc { padding: 26px 0 8px; }
.list-desc-inner {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.list-desc h2 {
  font-size: var(--fs-4xl);
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}
.list-desc p {
  font-size: var(--fs-xl);
  line-height: 1.9;
  color: var(--text);
  max-width: 940px;
}

/* ------------------------------------------------------- 分类页：继续阅读 */
.continue { padding: 24px 0 20px; }
.continue h2 { font-size: 21px; font-weight: 800; }
.continue > .container > p { margin-top: 8px; font-size: var(--fs-md); color: var(--muted); }
.continue-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 16px;
}
.continue-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-card);
  transition: transform .2s, border-color .2s;
}
.continue-card:hover { transform: translateY(-2px); border-color: #cfe0f8; }
.continue-card h3 { font-size: var(--fs-3xl); font-weight: 800; }
.continue-card p { margin-top: 4px; font-size: var(--fs-base); color: var(--muted); }
.continue-card::after {
  content: "→";
  color: var(--blue);
  flex: none;
  font-size: var(--fs-4xl);
}

/* ------------------------------------------------------------- 详情页顶部 */
.detail-hero { padding-bottom: 30px; }
.detail-hero .cat-label {
  display: inline-block;
  margin-top: 18px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(110, 168, 255, .16);
  color: #9dc2ff;
  font-size: var(--fs-sm);
  font-weight: 600;
}
.detail-hero h1 { margin-top: 12px; font-size: 38px; }
.detail-hero .hero-lead {
  margin-top: 14px;
  font-size: var(--fs-xl);
  line-height: 1.75;
  color: var(--ink-on-navy);
  max-width: 900px;
}
.detail-hero .hero-figure {
  position: relative;
  margin-top: 24px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  aspect-ratio: 21 / 9;
}
.detail-hero .hero-figure img { width: 100%; height: 100%; object-fit: cover; }

/* --------------------------------------------------------- 详情页正文布局 */
.detail-main { padding: 28px 0 10px; }

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  align-items: start;
}
.detail-layout > .toc { grid-column: 2; grid-row: 1; position: sticky; top: 88px; }
.detail-layout > article { grid-column: 1; grid-row: 1; }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-base);
  color: var(--faint);
  font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
}

/* --------------------------------------------------------- 详情页相关阅读 */
.detail-related { padding: 26px 0 12px; }
.detail-related h2 { font-size: 21px; font-weight: 800; }
.detail-related > .container > p { margin-top: 8px; font-size: var(--fs-md); color: var(--muted); }

/* -------------------------------------------------------------- responsive */
@media (max-width: 1100px) {
  .cat-index-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .note-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .judge-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-layout { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .detail-layout > .toc { grid-column: 1; grid-row: 1; position: static; }
  .detail-layout > article { grid-column: 1; grid-row: 2; }
  .list-desc-inner { grid-template-columns: 1fr; gap: 14px; }
  .continue-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .cat-index-list { grid-template-columns: 1fr; }
  .note-grid { grid-template-columns: 1fr; }
  .judge-steps { grid-template-columns: 1fr; }
  .continue-grid { grid-template-columns: 1fr; }
  .detail-hero h1 { font-size: 28px; }
  .detail-hero .hero-figure { aspect-ratio: 16 / 10; }
  .article h2 { font-size: 20px; }
  .article { font-size: 15px; }
}