/* ==========================================================================
   news-shangqiu-zhengce.html 专属样式
   母题：深色邮戳文章头 + 政策沿革轴（偏移中轴线 / 虚线 / 旋转邮票节点）
   ========================================================================== */

/* ---------- 1. 文章头（深色邮戳带，固定导航白字可读） ---------- */
.art-head {
  background:
    radial-gradient(1000px 420px at 88% -10%, rgba(195,176,137,.35), transparent 60%),
    linear-gradient(150deg, var(--khaki-800) 0%, #4a4433 55%, #3a3528 100%);
  color: #efe9da;
  padding: clamp(130px, 16vw, 180px) 0 clamp(48px, 6vw, 72px);
  position: relative; overflow: hidden;
}
.art-head::after {
  content: ""; position: absolute; right: -80px; bottom: -120px; width: 320px; height: 320px;
  border-radius: 50%; border: 26px dashed rgba(239,233,218,.14);
}
.art-head .crumbs a { color: var(--khaki-200); }
.art-head .crumbs .sep { color: rgba(239,233,218,.4); }
.art-head .crumbs span { color: rgba(239,233,218,.75); }
.art-cat {
  font-size: 12.5px; letter-spacing: .3em; color: var(--stamp);
  font-weight: 700; margin: 20px 0 10px;
}
.art-head h1 { color: #fff; font-size: clamp(28px, 4.4vw, 44px); line-height: 1.3; }
.art-lead {
  margin-top: 18px; max-width: 720px; font-size: 16px; line-height: 1.9;
  color: rgba(239,233,218,.88);
}
.art-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  margin-top: 22px; font-size: 13px; color: rgba(239,233,218,.62);
}
.art-meta i { width: 4px; height: 4px; border-radius: 50%; background: rgba(239,233,218,.4); }
.art-stamp {
  margin-top: 26px; border-color: var(--khaki-300); color: var(--khaki-200);
  background: rgba(255,255,255,.05);
}

/* ---------- 2. 正文排版 ---------- */
.art-body { background: var(--mist); padding: clamp(36px, 5vw, 60px) 0 10px; }
.prose { max-width: 860px; margin: 0 auto 10px; }
.prose p { font-size: 16.5px; line-height: 1.95; color: var(--ink); margin-bottom: 18px; }
.prose .lead-p::first-letter {
  font-family: var(--font-serif); font-size: 46px; font-weight: 700;
  color: var(--stamp); line-height: 1; padding-right: 8px; float: left;
}
.prose-fig { margin: 26px 0 34px; }
.prose-fig img {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
  border-radius: var(--radius-m); box-shadow: var(--shadow-s);
}
.prose-fig figcaption {
  font-size: 12.5px; color: var(--ink-faint); margin-top: 10px; text-align: center;
}
.prose-fig.wide { max-width: 1000px; margin-inline: auto; }

/* ---------- 3. 三个要点卡 ---------- */
.key-cards {
  max-width: 1080px; margin: 10px auto 40px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.key-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 26px 24px; position: relative;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.key-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-m); }
.key-no {
  position: absolute; top: 14px; right: 18px;
  font-family: var(--font-serif); font-size: 34px; color: var(--khaki-200);
}
.key-card h3 { font-size: 17px; margin-bottom: 8px; }
.key-card p { font-size: 14px; color: var(--ink-soft); margin: 0; line-height: 1.85; }

/* ---------- 4. 政策沿革轴（偏移中轴 / 虚线 / 旋转邮票节点） ---------- */
.tl-section { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: clamp(50px,7vw,84px) 0; margin-top: 20px; }
.policy-tl { max-width: 760px; margin: 10px auto 0; }
.policy-tl .tl-row {
  --tw: 108px; --aw: 72px;
  padding: 14px 0;
}
/* 轴线改虚线 */
.policy-tl .tl-row::before {
  background: none;
  border-left: 2px dashed var(--khaki-400);
  width: 0;
}
.policy-tl .tl-time { text-align: right; padding-right: 14px; padding-top: 8px; }
.policy-tl .tl-time em {
  font-style: normal; font-family: var(--font-mono); font-size: 13px; font-weight: 700;
  color: var(--stamp); letter-spacing: .08em;
  border: 1.5px solid var(--stamp); border-radius: 4px; padding: 3px 9px;
  transform: rotate(-2deg); display: inline-block;
}
.policy-tl .tl-node {
  width: 48px; height: 48px; border-radius: 8px;
  background: var(--paper); border: 2px solid var(--stamp); color: var(--stamp);
  box-shadow: 0 0 0 4px var(--mist);
}
.policy-tl .tl-node svg { width: 21px; height: 21px; }
.policy-tl .tl-row:nth-child(even) .tl-node {
  background: var(--stamp); color: #fff;
}
/* 旋转节点：translate + rotate 同写，动画关键帧里也带上 */
.policy-tl .tl-node.anim { animation: stampFloat 3.4s ease-in-out infinite; }
@keyframes stampFloat {
  0%, 100% { transform: translate(-50%, -50%) rotate(-8deg); }
  50% { transform: translate(-50%, -58%) rotate(-8deg); }
}
.policy-tl .tl-body { padding: 4px 0 4px 28px; }
.policy-tl .tl-body h3 { font-size: 17px; margin-bottom: 4px; }
.policy-tl .tl-body p { font-size: 14px; color: var(--ink-soft); margin: 0; line-height: 1.8; }

/* ---------- 5. 双栏 ---------- */
.dual-col {
  max-width: 1080px; margin: 46px auto 10px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px;
}
.dual-item {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 28px 28px 24px; border-top: 3px solid var(--khaki-400);
}
.dual-item:nth-child(2) { border-top-color: var(--stamp); }
.dual-item h3 { font-size: 18px; margin-bottom: 14px; }
.dot-list li {
  position: relative; padding-left: 20px; font-size: 14.5px; color: var(--ink-soft);
  line-height: 1.85; margin-bottom: 10px;
}
.dot-list li::before {
  content: ""; position: absolute; left: 2px; top: 11px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--khaki-400);
}
.dual-item:nth-child(2) .dot-list li::before { background: var(--stamp); }

/* ---------- 6. 提示框 ---------- */
.note-box {
  max-width: 1080px; margin: 30px auto 0;
  background: var(--sand); border: 1px dashed var(--line-strong); border-radius: var(--radius-m);
  padding: 20px 24px; display: flex; gap: 16px; align-items: flex-start;
}
.note-tag {
  flex: none; font-size: 12px; font-weight: 700; letter-spacing: .1em;
  color: #fff; background: var(--stamp); border-radius: 4px; padding: 4px 10px; margin-top: 3px;
}
.note-box p { font-size: 14px; color: var(--ink-soft); margin: 0; line-height: 1.9; }

/* ---------- 7. 署名 ---------- */
.byline {
  max-width: 860px; margin: 34px auto 0; padding-top: 20px;
  border-top: 1px dashed var(--line-strong); font-size: 13.5px; color: var(--ink-soft);
}
.byline-sub { font-size: 12.5px; color: var(--ink-faint); margin-top: 4px; }

/* ---------- 8. 相关推荐 ---------- */
.related { max-width: 1080px; margin: 44px auto 10px; }
.related-h { font-size: 22px; margin-bottom: 18px; position: relative; padding-left: 14px; }
.related-h::before {
  content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 4px;
  background: var(--stamp); border-radius: 2px;
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.rel-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-m);
  padding: 22px 22px 20px; display: block;
}
.rel-cat {
  font-size: 11.5px; letter-spacing: .16em; color: var(--stamp); font-weight: 700;
  text-transform: uppercase;
}
.rel-card h3 { font-size: 16.5px; margin: 8px 0 8px; line-height: 1.5; }
.rel-card p { font-size: 13.5px; color: var(--ink-soft); margin: 0; line-height: 1.8; }
.rel-card:hover h3 { color: var(--stamp); }

/* ---------- 9. CTA ---------- */
.cta-band { background: linear-gradient(120deg, var(--khaki-600), var(--khaki-800)); padding: clamp(48px, 6vw, 80px) 0; }
.cta-inner { text-align: center; }
.cta-inner h2 { color: #fff; margin-bottom: 10px; }
.cta-inner p { color: #d9d2bf; font-size: 15px; margin-bottom: 24px; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .key-cards { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .dual-col { grid-template-columns: 1fr; }
  .policy-tl .tl-row { --tw: 76px; --aw: 52px; }
  .policy-tl .tl-time { padding-right: 8px; }
  .policy-tl .tl-time em { font-size: 11.5px; padding: 2px 6px; }
  .policy-tl .tl-node { width: 38px; height: 38px; }
  .policy-tl .tl-node svg { width: 17px; height: 17px; }
  .policy-tl .tl-body { padding-left: 16px; }
  .related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .note-box { flex-direction: column; gap: 10px; }
}