/* ============================================================
   文章详情页（公司动态 / 行业洞察 共用）
   两栏布局：左正文 / 右 sticky 侧栏
   ============================================================ */

.art-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: start;
  margin-top: 8px;
}
.art-main { min-width: 0; }

/* 文章头 */
.art-head { margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.art-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.art-cat {
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  background: rgba(47, 107, 255, .1); color: var(--primary);
  font-size: 13px; font-weight: 700;
}
.art-meta time { color: var(--muted); font-size: 13px; }
.art-title {
  font-size: clamp(24px, 3vw, 34px); line-height: 1.2; letter-spacing: -.02em;
  color: var(--ink); margin: 0 0 12px;
}
.art-lead { font-size: 16px; color: var(--text); margin: 0; }

/* 文章配图 */
.art-figure {
  margin: 0 0 28px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #eef3ff;
}
.art-figure img {
  width: 100%;
  height: auto;
  display: block;
}

/* 正文排版 */
.art-body { font-size: 15.5px; line-height: 1.9; color: var(--text); }
.art-body p { margin: 0 0 18px; }
.art-body h2 {
  font-size: 20px; color: var(--ink); margin: 30px 0 12px;
  padding-left: 12px; border-left: 3px solid var(--primary);
}
.art-source {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.art-source a { color: var(--primary); text-decoration: underline; }

/* 右侧栏 */
.art-side {
  position: sticky; top: 96px;
  display: flex; flex-direction: column; gap: 22px;
}
.side-block {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 20px;
}
.side-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; color: var(--ink); margin: 0 0 14px;
  padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.side-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.side-list a { display: flex; flex-direction: column; gap: 3px; text-decoration: none; color: var(--text); transition: color .2s; }
.side-list a:hover .side-link { color: var(--primary); }
.side-date { font-size: 12px; color: var(--muted); }
.side-link { font-size: 14px; font-weight: 600; line-height: 1.5; }

/* 上一篇 / 下一篇 */
.art-pager {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line);
}
.pager-item {
  flex: 1; display: flex; flex-direction: column; gap: 6px; min-width: 0;
  text-decoration: none; padding: 16px 18px;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: #fff; transition: .2s;
}
.pager-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.pager-item.next { text-align: right; margin-left: auto; }
.pager-dir { font-size: 12px; color: var(--muted); font-weight: 700; }
.pager-title {
  font-size: 14px; font-weight: 700; color: var(--ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

@media (max-width: 960px) {
  .art-layout { grid-template-columns: 1fr; gap: 28px; }
  .art-side { position: static; flex-direction: row; flex-wrap: wrap; }
  .art-side .side-block { flex: 1; min-width: 240px; }
}
@media (max-width: 560px) {
  .art-pager { flex-direction: column; }
  .pager-item.next { text-align: left; margin-left: 0; }
}