/* ==========================================================================
   news-zhengshu-guifan.html 专属样式
   母题：邮戳警示文章头 + 证书周期轴（点线轴 / 旋转圆形邮戳节点 / 交替卡片）
   ========================================================================== */

/* ---------- 1. 文章头 ---------- */
.art-head {
  background:
    radial-gradient(700px 340px at 15% -10%, rgba(178,90,51,.32), transparent 60%),
    linear-gradient(145deg, #3f3a2c 0%, var(--khaki-800) 55%, #332f22 100%);
  padding: clamp(130px, 16vw, 180px) 0 clamp(48px, 6vw, 70px);
  color: #efe9da; position: relative; overflow: hidden;
}
.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,.8); }
.art-cat { font-size: 12.5px; letter-spacing: .3em; color: #e8a37f; font-weight: 700; margin: 20px 0 10px; }
.art-head h1 { color: #fff; font-size: clamp(27px, 4.2vw, 42px); line-height: 1.35; }
.art-lead { margin-top: 16px; max-width: 700px; font-size: 15.5px; line-height: 1.9; color: rgba(239,233,218,.9); }
.art-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 20px; font-size: 13px; color: rgba(239,233,218,.66); }
.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 ---------- */
.art-body { background: var(--mist); padding: clamp(36px, 5vw, 60px) 0 10px; }
.prose { max-width: 860px; margin: 0 auto; }
.prose p { font-size: 16px; line-height: 1.95; color: var(--ink); margin-bottom: 16px; }
.prose h3 { font-size: 20px; margin: 26px 0 12px; }
.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; }

/* ---------- 3. 证书周期轴（点线轴 / 旋转圆形邮戳节点） ---------- */
.cert-section { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: clamp(50px,7vw,84px) 0; }
.cert-tl { max-width: 780px; margin: 10px auto 0; }
.cert-tl .tl-row { --tw: 84px; --aw: 66px; padding: 12px 0; }
.cert-tl .tl-row::before {
  background: none;
  border-left: 2px dotted var(--khaki-400);
  width: 0;
}
.cert-tl .tl-time { text-align: right; padding-right: 14px; padding-top: 12px; }
.cert-tl .tl-time em {
  font-style: normal; font-size: 13px; font-weight: 700; color: var(--stamp);
  letter-spacing: .1em;
}
/* 圆形邮戳节点：圆边框 + 单字，整体旋转 */
.cert-tl .tl-node {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--paper); border: 2.5px solid var(--stamp); color: var(--stamp);
  font-size: 15px; font-weight: 800;
  box-shadow: 0 0 0 4px var(--mist), inset 0 0 0 3px var(--paper);
}
.cert-tl .tl-row:nth-child(even) .tl-node { background: var(--stamp); color: #fff; box-shadow: 0 0 0 4px #f0d5c8, inset 0 0 0 3px var(--stamp); }
.cert-tl .tl-node.anim { animation: sealFloat 3.6s ease-in-out infinite; }
@keyframes sealFloat {
  0%, 100% { transform: translate(-50%, -50%) rotate(-10deg); }
  50% { transform: translate(-50%, -57%) rotate(-10deg); }
}
.cert-tl .tl-body { padding: 4px 0; }
/* 交替卡片 */
.cert-tl .tl-body.card {
  background: var(--sand); border: 1px solid var(--line); border-left: 4px solid var(--khaki-400);
  border-radius: var(--radius-m); padding: 14px 20px; margin-left: 26px;
}
.cert-tl .tl-row:nth-child(even) .tl-body.card { background: var(--paper); border-left-color: var(--stamp); box-shadow: var(--shadow-s); }
.cert-tl .tl-body h3 { font-size: 16.5px; margin-bottom: 4px; }
.cert-tl .tl-body p { font-size: 13.5px; color: var(--ink-soft); margin: 0; line-height: 1.8; }

/* ---------- 4. 三个误区 ---------- */
.warn-block { max-width: 1080px; margin: 40px auto 0; }
.warn-block h3 { font-size: 20px; margin-bottom: 18px; }
.warn-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.warn-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-m);
  padding: 24px 22px; border-top: 3px solid var(--stamp);
}
.warn-x {
  display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  background: var(--stamp); color: #fff; font-weight: 800; font-size: 14px; margin-bottom: 10px;
}
.warn-card h4 { font-size: 16px; margin-bottom: 8px; }
.warn-card p { font-size: 13.5px; color: var(--ink-soft); margin: 0; line-height: 1.85; }

/* ---------- 5. 提示框 / 署名 ---------- */
.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; }
.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; }

/* ---------- 6. 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; display: block; }
.rel-cat { font-size: 11.5px; letter-spacing: .16em; color: var(--stamp); font-weight: 700; }
.rel-card h3 { font-size: 16.5px; margin: 8px 0; 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); }

/* ---------- 7. 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) {
  .warn-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .cert-tl .tl-row { --tw: 62px; --aw: 50px; }
  .cert-tl .tl-time { padding-right: 8px; }
  .cert-tl .tl-time em { font-size: 11.5px; }
  .cert-tl .tl-node { width: 38px; height: 38px; font-size: 12.5px; }
  .cert-tl .tl-body.card { margin-left: 14px; padding: 12px 14px; }
  .related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .note-box { flex-direction: column; gap: 10px; }
}