/* ===== 文章详情页 news/detail · 只在本页加载 =====
   依赖变量：--hh = 固定页头当前高度；--pad = 正文顶部需要补的留白（页头高 - body 已有 padding）
   移动端 <=900px 不显示左侧导航 */

/* ===== 正文排版与分享按钮 =====
   设计基准：正文列 720px，字号随视口平滑变化（clamp），不跟站点 rem 等比缩放 */

:root{
  --pd-ink:#0e1f2b;
  --pd-body:#3b4a56;
  --pd-mute:#78868f;
  --pd-line:#e6ecf1;
  --pd-brand:#0b70a1;
  --pd-brand-2:#2ea3d8;
  --pd-deep:#083b52;
  --pd-soft:#f4f8fb;
  --pd-radius:14px;
}

.pd-art{
  font-size:clamp(16px,0.3vw + 14px,18px);
  line-height:1.9;
  color:var(--pd-body);
  letter-spacing:.012em;
  -webkit-text-size-adjust:100%;
  word-break:break-word;
}
.pd-art > *:first-child{margin-top:0 !important;}
.pd-art p{margin:0 0 1.4em;}
.pd-art p:empty,.pd-art p:has(> br:only-child){display:none;}
.pd-art h2{
  font-size:clamp(20px,0.55vw + 15px,25px);
  font-weight:700;
  color:var(--pd-ink);
  line-height:1.55;
  margin:2.2em 0 .85em;
  padding-left:15px;
  border-left:4px solid var(--pd-brand);
  letter-spacing:0;
}
.pd-art h3{
  font-size:clamp(17px,0.35vw + 14px,20px);
  font-weight:700;
  color:var(--pd-ink);
  line-height:1.6;
  margin:1.9em 0 .7em;
}
.pd-art h4{font-size:1em;font-weight:700;color:var(--pd-ink);margin:1.6em 0 .6em;}
.pd-art strong,.pd-art b{color:#12222e;font-weight:700;}
.pd-art a{color:var(--pd-brand);text-decoration:none;border-bottom:1px solid rgba(11,112,161,.35);}
.pd-art a:hover{border-bottom-color:var(--pd-brand);}
.pd-art img{
  display:block;
  width:100% !important;
  height:auto !important;
  max-width:100%;
  margin:2em 0;
  border-radius:var(--pd-radius);
  background:var(--pd-soft);
}
.pd-art figure{margin:2em 0;}
.pd-art figcaption{font-size:13px;color:var(--pd-mute);text-align:center;margin-top:10px;line-height:1.7;}
.pd-art ul,.pd-art ol{margin:0 0 1.4em;padding-left:1.4em;}
.pd-art li{margin-bottom:.55em;}
.pd-art ul li::marker{color:var(--pd-brand);}
.pd-art blockquote{
  margin:1.8em 0;
  padding:18px 22px;
  background:var(--pd-soft);
  border-left:3px solid var(--pd-brand);
  border-radius:0 10px 10px 0;
  color:#4b5b67;
}
.pd-art blockquote p:last-child{margin-bottom:0;}
.pd-art hr{border:0;border-top:1px solid var(--pd-line);margin:2.4em 0;}
.pd-art table{width:100%;border-collapse:collapse;font-size:.92em;margin:1.6em 0;}
.pd-art th,.pd-art td{border:1px solid var(--pd-line);padding:10px 12px;text-align:left;}
.pd-art th{background:var(--pd-soft);font-weight:700;color:var(--pd-ink);}

/* 分享按钮 · 胶囊（图标 + 文字） */
.pd-shareBtn{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 13px;border-radius:999px;
  border:1px solid var(--pd-line);background:#fff;
  color:#5b6b77;font-size:12.5px;line-height:1.2;
  font-family:inherit;cursor:pointer;white-space:nowrap;flex:none;
  transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.pd-shareBtn svg{width:14px;height:14px;flex:none;}
.pd-shareBtn:hover{border-color:#bfdceb;background:#f4fafd;color:var(--pd-brand);transform:translateY(-1px);}
.pd-shareBtn.on{background:#e9f9f1;border-color:#a7e2c4;color:#0f8b52;}

/* 分享图标按钮（圆形，仅图标） */
.pd-ico{
  width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--pd-line);
  color:#8494a0;background:#fff;font-size:0;
  transition:background .2s,color .2s,border-color .2s,transform .2s;
  cursor:pointer;
}
.pd-ico svg{width:16px;height:16px;display:block;}
.pd-ico:hover{background:var(--pd-brand);border-color:var(--pd-brand);color:#fff;transform:translateY(-1px);}
.pd-ico.on{background:#12a05c;border-color:#12a05c;color:#fff;}

/* 章节标题（三方案共用排版规则） */
.pd-sec-title{
  font-size:clamp(18px,0.4vw + 14px,22px);
  font-weight:700;color:var(--pd-ink);
  margin:0 0 20px;letter-spacing:0;
}

/* 通用缩略图容器 */
.pd-thumb{position:relative;overflow:hidden;background:var(--pd-soft);}
.pd-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.7,.3,1);}

/* ===== 方案 A · 干净编辑部（左导航版） =====
   PC / 平板横屏：左侧 216px 固定导航（目录 + 咨询卡，视口垂直居中、不随滚动，
                 滚到文章末尾自动淡出）+ 右侧 780px 正文
   平板竖屏 / 手机：单列，左导航隐藏，推荐改两列紧凑卡（无 tag） */

.pdA{background:#fff;padding-top:var(--pad,97px);padding-bottom:clamp(56px,6vw,96px);}

.pdA-wrap{
  width:100%;max-width:1200px;margin:0 auto;
  padding-left:clamp(18px,3.4vw,40px);padding-right:clamp(18px,3.4vw,40px);
}

/* —— 顶部面包屑条（吸顶 + 阅读进度） —— */
.pdA-bar{
  position:sticky;top:var(--hh,97px);z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--pd-line);
}
.pdA-bar .pdA-wrap{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px;}
.pdA-crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--pd-mute);min-width:0;}
.pdA-crumb a{color:var(--pd-mute);text-decoration:none;white-space:nowrap;}
.pdA-crumb a:hover{color:var(--pd-brand);}
.pdA-crumb i{font-style:normal;color:#c3ced6;}
.pdA-crumb span{color:#4a5a66;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pdA-barBack{font-size:13px;color:var(--pd-mute);display:inline-flex;align-items:center;gap:6px;text-decoration:none;white-space:nowrap;}
.pdA-barBack svg{width:14px;height:14px;}
.pdA-barBack:hover{color:var(--pd-brand);}
.pdA-progress{position:fixed;left:0;right:0;top:var(--hh,97px);height:2px;background:transparent;overflow:hidden;z-index:59;pointer-events:none;}
.pdA-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--pd-brand),var(--pd-brand-2));transition:width .1s linear;}

/* —— 栅格 —— */
.pdA-grid{
  display:grid;grid-template-columns:216px minmax(0,1fr);
  gap:clamp(26px,3vw,56px);
  padding-top:clamp(30px,3.4vw,54px);
  align-items:stretch;
}
.pdA-main{max-width:780px;justify-self:center;min-width:0;}

/* —— 文章头 —— */
.pdA-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-bottom:18px;}
.pdA-chip{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  background:rgba(11,112,161,.08);color:#0a6591;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.6;
}
.pdA-meta{font-size:13px;color:var(--pd-mute);display:inline-flex;align-items:center;gap:10px;}
.pdA-meta i{width:3px;height:3px;border-radius:50%;background:#c9d4dc;display:inline-block;}

.pdA-title{
  font-size:clamp(26px,1.35vw + 18px,40px);
  font-weight:700;line-height:1.34;color:var(--pd-ink);
  margin:0 0 6px;letter-spacing:-.005em;
}
.pdA-tools{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0 20px;border-bottom:1px solid var(--pd-line);
  margin-bottom:clamp(26px,3vw,40px);
}
.pdA-share{display:flex;align-items:center;gap:9px;}
.pdA-shareLabel{font-size:13px;color:var(--pd-mute);margin-right:2px;}
.pdA-tags{display:flex;flex-wrap:wrap;gap:8px;}
.pdA-tag{
  font-size:12.5px;color:#5c6d79;text-decoration:none;
  padding:4px 10px;border-radius:8px;background:var(--pd-soft);
}
.pdA-tag:hover{background:rgba(11,112,161,.1);color:var(--pd-brand);}

/* —— 翻页 —— */
.pdA-pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:clamp(38px,4.6vw,60px);}
.pdA-pg{
  display:block;text-decoration:none;padding:18px 20px;
  border:1px solid var(--pd-line);border-radius:var(--pd-radius);
  background:#fff;transition:border-color .22s,box-shadow .22s,transform .22s;
}
.pdA-pg span{display:block;font-size:12px;color:var(--pd-mute);margin-bottom:8px;letter-spacing:.03em;}
.pdA-pg strong{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14.5px;font-weight:600;line-height:1.6;color:var(--pd-ink);
}
.pdA-pg:hover{border-color:#bdd9e7;box-shadow:0 10px 28px rgba(11,112,161,.09);transform:translateY(-2px);}
.pdA-pg:hover strong{color:var(--pd-brand);}
.pdA-pg.is-next{text-align:right;}

/* —— 文末推荐（无 tag） —— */
.pdA-rel{margin-top:clamp(42px,5vw,68px);padding-top:clamp(26px,3vw,38px);border-top:1px solid var(--pd-line);}
.pdA-relGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,1.8vw,24px);}
.pdA-card{display:block;text-decoration:none;}
.pdA-card .pd-thumb{aspect-ratio:16/10;border-radius:12px;}
.pdA-card:hover .pd-thumb img{transform:scale(1.05);}
.pdA-card time{display:block;font-size:12px;color:#93a1ab;margin:12px 0 7px;letter-spacing:.02em;}
.pdA-card h3{
  margin:0;font-size:14.5px;font-weight:600;line-height:1.55;color:var(--pd-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pdA-card:hover h3{color:var(--pd-brand);}

/* —— 侧栏 —— */
.pdA-side{position:relative;min-height:100%;}
/* 左导航：脱离文档流，永远停在视口左侧垂直居中处（left 由脚本按正文列计算） */
.pdA-sticky{
  position:fixed;left:0;top:50%;transform:translateY(-50%);
  width:216px;display:flex;flex-direction:column;gap:20px;z-index:30;
  opacity:0;visibility:hidden;
  /* 小标题特别多的长文：目录超出一屏时内部滚动，不撑破视口 */
  max-height:calc(100vh - 88px);overflow-y:auto;overscroll-behavior:contain;
  scrollbar-width:thin;scrollbar-color:#d5e0e8 transparent;padding-right:2px;
}
.pdA-sticky::-webkit-scrollbar{width:4px;}
.pdA-sticky::-webkit-scrollbar-thumb{background:#dde7ee;border-radius:4px;}
.pdA-sticky::-webkit-scrollbar-track{background:transparent;}
.pdA-cta{flex:none;}
.pdA-sticky.is-ready{opacity:1;visibility:visible;transition:opacity .2s ease;}
.pdA-sticky.is-hidden{opacity:0;pointer-events:none;}
.pdA-tocTitle{font-size:12px;font-weight:700;color:#93a1ab;letter-spacing:.14em;margin:0 0 10px;}
.pdA-tocNav{border-left:2px solid #eef3f6;}
.pdA-tocNav a{
  display:block;text-decoration:none;font-size:13px;line-height:1.5;color:#7c8b96;
  padding:7px 0 7px 14px;border-left:2px solid transparent;margin-left:-2px;
  transition:color .18s,border-color .18s,background .18s;
}
.pdA-tocNav a:hover{color:var(--pd-brand);}
.pdA-tocNav a.on{
  color:var(--pd-brand);font-weight:600;border-left-color:var(--pd-brand);
  background:linear-gradient(90deg,rgba(11,112,161,.06),rgba(11,112,161,0));
}
.pdA-cta{
  border-radius:16px;padding:20px 18px;
  background:linear-gradient(155deg,#0d7cb1 0%,#083b52 100%);
  color:#fff;position:relative;overflow:hidden;
}
.pdA-cta:after{
  content:'';position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),rgba(255,255,255,0) 70%);
}
.pdA-cta h4{margin:0 0 14px;font-size:14.5px;font-weight:700;color:#fff;line-height:1.5;}
.pdA-cta p{margin:0 0 16px;font-size:12.5px;line-height:1.72;color:rgba(255,255,255,.72);}
.pdA-cta p strong{color:#fff;font-weight:700;letter-spacing:.01em;}
.pdA-cta a{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  background:#fff;color:#0a5f88;text-decoration:none;
  font-size:13px;font-weight:700;padding:9px 16px;border-radius:999px;
}
.pdA-cta a:hover{background:#eaf6fc;}

/* —— 响应式 —— */
/* 平板竖屏及以下：不显示左导航（平板横屏 1024 仍保留） */
@media(max-width:900px){
  .pdA-grid{grid-template-columns:minmax(0,1fr);gap:0;}
  .pdA-side{display:none;}
  .pdA-main{width:100%;}
}
@media(max-width:860px){
  .pdA-relGrid{grid-template-columns:repeat(2,1fr);}
  .pdA-pager{grid-template-columns:1fr;}
  .pdA-pg.is-next{text-align:left;}
  .pdA-title{line-height:1.38;}
}
@media(max-width:560px){
  .pdA-bar .pdA-wrap{height:50px;}
  .pdA-crumb{font-size:12.5px;}
  .pdA-crumb a:first-child,.pdA-crumb i:first-of-type{display:none;}
  .pdA-barBack{font-size:12.5px;}
  .pdA-title{margin-bottom:16px;}
  .pdA-lead{font-size:14.5px;padding-left:13px;margin-bottom:22px;}
  .pdA-tools{flex-direction:column;align-items:flex-start;gap:14px;}
  .pdA-relGrid{grid-template-columns:1fr 1fr;gap:14px 12px;}
  .pdA-card h3{font-size:13.5px;-webkit-line-clamp:3;}
  .pdA-card time{font-size:11.5px;margin:9px 0 5px;}
  /* 手机端推荐阅读：只留图 + 标题 + 日期，不出现任何标签 */
  .pdA-card .pdA-tagRow{display:none !important;}
}


/* —— 覆盖后台富文本带入的内联样式 —— */
.pd-art p{line-height:inherit !important;}
.pd-art h1,.pd-art h2,.pd-art h3,.pd-art h4{letter-spacing:0;}
.pd-art h1 span,.pd-art h2 span,.pd-art h3 span,.pd-art h4 span{
  font-size:inherit !important;color:inherit !important;line-height:inherit !important;font-weight:inherit !important;
}
/* 正文里误用的 h1（多为公众号粘贴）按二级标题排版 */
.pd-art h1{
  font-size:clamp(20px,0.55vw + 15px,25px);
  font-weight:700;color:var(--pd-ink);line-height:1.55;
  margin:2.2em 0 .85em;padding-left:15px;border-left:4px solid var(--pd-brand);
}
.pd-art table{display:table;}

/* 上一篇/下一篇为空时不可点 */
.pdA-pg.is-empty{background:#fafcfd;border-style:dashed;cursor:default;}
.pdA-pg.is-empty strong{color:#a6b4be;}

/* —— 移动端：面包屑不吸顶，省阅读高度 —— */
@media(max-width:900px){
  .pdA-bar{position:static;}
  .pdA-bar .pdA-wrap{height:46px;}
}

@media print{
  .pdA-side,.pdA-bar,.pdA-rel,.pdA-pager,.pdA-share,.pdA-progress{display:none !important;}
  .pdA{padding-top:0;}
}