@charset "UTF-8";
/* =============================================================
   飞之云官网 · 行业动态 / 技术分享 栏目样式  v1
   复用 style.css 设计令牌：深空底 / 冰青 / 细线 / mono 序号 / 2px 圆角
   零外部依赖，file:// 双击即可阅读
   ============================================================= */

/* ---------- 阅读进度条（文章页） ---------- */
.reading-progress{
  position:fixed;left:0;top:80px;height:2px;width:0;z-index:60;
  background:linear-gradient(90deg,var(--accent),rgba(76,201,216,.30));
  pointer-events:none;transition:width .08s linear;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{border-bottom:1px solid var(--line);background:rgba(20,28,36,.45)}
.breadcrumb__inner{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:16px 0;font-size:13px;color:var(--muted)}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb__sep{font-family:var(--font-mono);font-size:11px;color:var(--line-strong)}
.breadcrumb__current{color:var(--text)}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:64px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:64px;align-items:start}
.article{min-width:0;counter-reset:h2}

/* 文章头 */
.article__head{margin-bottom:48px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.article__kicker{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:24px}
.article__badge{
  display:inline-block;padding:4px 10px;font-size:12px;line-height:1.5;
  color:var(--accent);border:1px solid rgba(76,201,216,.35);
  background:rgba(76,201,216,.06);border-radius:var(--radius);
}
.article__meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.02em;color:var(--muted)}
.article__head h1{font-size:44px;line-height:1.35;font-weight:700;letter-spacing:-.02em;margin:0 0 22px}
.article__lead{font-size:17px;line-height:1.85;color:var(--muted);border-left:2px solid var(--accent);padding-left:20px;max-width:760px}

/* 正文排版 */
.article__body{font-size:16.5px;line-height:1.95;color:#DCE6EC;max-width:780px}
.article__body p{margin:0 0 22px}
.article__body h2{
  counter-increment:h2;
  font-size:28px;line-height:1.45;font-weight:600;letter-spacing:-.01em;
  margin:56px 0 20px;padding-left:20px;border-left:3px solid var(--accent);
  color:var(--text);scroll-margin-top:112px;
}
.article__body h2::before{
  content:counter(h2,decimal-leading-zero) " /";display:block;
  font-family:var(--font-mono);font-size:11px;font-weight:400;
  letter-spacing:.12em;color:var(--accent);margin-bottom:8px;
}
.article__body h3{font-size:20px;font-weight:600;margin:36px 0 14px;color:var(--text);scroll-margin-top:112px}
.article__body h3::before{content:"";display:inline-block;width:6px;height:6px;background:var(--accent);margin-right:10px;vertical-align:middle}
.article__body h4{font-size:17px;font-weight:600;margin:28px 0 12px;color:var(--text)}
.article__body ul,.article__body ol{margin:0 0 26px;padding-left:0}
.article__body li{position:relative;padding-left:26px;margin-bottom:10px}
.article__body ul li::before{content:"";position:absolute;left:4px;top:14px;width:6px;height:6px;border:1px solid var(--accent);transform:rotate(45deg)}
.article__body ol{counter-reset:oli}
.article__body ol li{counter-increment:oli}
.article__body ol li::before{content:counter(oli,decimal-leading-zero);position:absolute;left:0;top:2px;font-family:var(--font-mono);font-size:12px;color:var(--accent)}
.article__body strong{color:var(--text);font-weight:600}
.article__body em{color:var(--accent);font-style:normal}
.article__body a{color:var(--accent);border-bottom:1px solid rgba(76,201,216,.38);transition:border-color .2s ease}
.article__body a:hover{border-bottom-color:var(--accent)}
.article__body code{font-family:var(--font-mono);font-size:.87em;background:var(--surface-2);border:1px solid var(--line);padding:2px 6px;border-radius:2px;color:var(--accent)}
.article__body pre{margin:0 0 26px;padding:20px 24px;background:var(--surface);border:1px solid var(--line);border-left:2px solid var(--accent);border-radius:var(--radius);overflow-x:auto;font-size:13.5px;line-height:1.8}
.article__body pre code{background:none;border:0;padding:0;color:var(--text)}
.article__body blockquote{margin:0 0 26px;padding:20px 24px;background:var(--surface);border-left:2px solid var(--accent);border-radius:var(--radius);color:var(--muted);font-size:15px}
.article__body blockquote p{margin:0 0 8px}
.article__body blockquote p:last-child{margin:0}
.article__body blockquote.keypoints{background:rgba(76,201,216,.06);border:1px solid rgba(76,201,216,.28);border-left:3px solid var(--accent)}
.article__body blockquote.keypoints strong{color:var(--accent)}
.article__body blockquote.keypoints ul{margin:8px 0 0}
.article__body blockquote.keypoints li{margin-bottom:6px;font-size:14.5px}
.article__body hr{height:1px;border:0;background:var(--line);margin:48px 0}
.article__body table{width:100%;border-collapse:collapse;margin:0 0 28px;font-size:14.5px;line-height:1.75}
.article__body th,.article__body td{border:1px solid var(--line);padding:12px 16px;text-align:left;vertical-align:top}
.article__body th{background:var(--surface-2);color:var(--text);font-weight:600;font-size:13.5px;white-space:nowrap}
.article__body td{color:var(--muted)}
.article__body tr:hover td{background:rgba(76,201,216,.04)}
.article__body img{max-width:100%;border:1px solid var(--line);border-radius:var(--radius)}

/* 文内上下文 CTA */
.cta-inline{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  margin:40px 0;padding:24px 28px;position:relative;
  background:var(--surface-2);border:1px solid rgba(76,201,216,.32);border-radius:var(--radius);
}
.cta-inline::before{content:"";position:absolute;left:0;top:0;width:100%;height:1px;background:linear-gradient(90deg,var(--accent),transparent 62%)}
.cta-inline__copy{font-size:15px;line-height:1.8;color:var(--text);max-width:480px}
.cta-inline__copy b{color:var(--accent);font-weight:600}

/* 文内 CTA：卡片与按钮微动效（提升入口显眼度与手感） */
.cta-inline{
  border-radius:12px;
  box-shadow:0 20px 44px -30px rgba(0,0,0,.85);
  transition:border-color .32s cubic-bezier(.16,1,.3,1),box-shadow .32s cubic-bezier(.16,1,.3,1);
}
.cta-inline:hover{border-color:rgba(76,201,216,.55);box-shadow:0 26px 54px -26px rgba(0,0,0,.9),0 0 0 1px rgba(76,201,216,.10)}
.cta-inline .btn{transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s cubic-bezier(.16,1,.3,1),background-color .2s ease,color .2s ease}
.cta-inline .btn--primary:hover{background:var(--accent-hover);box-shadow:0 14px 30px -12px rgba(76,201,216,.62)}
.cta-inline .btn--outline:hover{box-shadow:0 12px 26px -14px rgba(76,201,216,.45)}
.cta-inline .btn--arrow::after{transition:transform .3s cubic-bezier(.16,1,.3,1)}
.cta-inline .btn--arrow:hover{transform:translateY(-2px)}
.cta-inline .btn--arrow:hover::after{transform:translateX(7px)}

/* 正文媒体与引用：圆角与全站 v5 圆角体系对齐 */
.article__body blockquote{border-radius:12px}
.article__body blockquote.keypoints{border-radius:12px}
.article__body pre{border-radius:10px}
.article__body img{border-radius:12px}
.article__body code{border-radius:5px}

/* 文章尾 */
.article__foot{margin-top:56px;padding-top:32px;border-top:1px solid var(--line)}
.article__foot-label{font-family:var(--font-en);font-size:12px;letter-spacing:.12em;color:var(--accent);margin-bottom:14px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-list span,.tag-list a{font-size:12px;padding:6px 12px;border:1px solid var(--line);border-radius:var(--radius);color:var(--muted);transition:border-color .2s ease,color .2s ease}
.tag-list a:hover{border-color:var(--accent);color:var(--accent)}
.article-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:32px}
.article-nav a{display:flex;flex-direction:column;gap:8px;padding:20px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:border-color .22s ease,background-color .22s ease}
.article-nav a:hover{border-color:rgba(76,201,216,.55);background:var(--surface-hover)}
.article-nav__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--accent)}
.article-nav__title{font-size:15px;line-height:1.6;color:var(--text)}
.article-nav a.is-next{text-align:right;align-items:flex-end}

/* 侧栏 */
.article__side{position:sticky;top:112px;display:flex;flex-direction:column;gap:20px}
.side-box{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.side-box::before{content:"";position:absolute;left:0;top:0;width:100%;height:1px;background:linear-gradient(90deg,var(--accent),transparent 60%)}
.side-box__title{font-family:var(--font-en);font-size:11px;font-weight:600;letter-spacing:.14em;color:var(--accent);margin-bottom:16px}
.toc-list{display:flex;flex-direction:column}
.toc-list a{display:block;font-size:13px;line-height:1.65;color:var(--muted);padding:8px 0 8px 16px;border-left:1px solid var(--line);transition:color .2s ease,border-color .2s ease}
.toc-list a:hover,.toc-list a.is-active{color:var(--accent);border-left-color:var(--accent)}
.side-links{display:flex;flex-direction:column;gap:12px}
.side-links a{font-size:13.5px;line-height:1.65;color:var(--muted);transition:color .2s ease}
.side-links a:hover{color:var(--accent)}
.side-links a::before{content:"↗";font-family:var(--font-mono);color:var(--accent);margin-right:8px;font-size:11px}
.side-cta{background:rgba(76,201,216,.07);border-color:rgba(76,201,216,.35)}
.side-cta p{font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:18px}
.side-cta strong{color:var(--text);font-weight:600}
.side-cta .btn{width:100%}

/* ---------- 相关文章 ---------- */
.related{padding:80px 0;background:var(--surface);border-top:1px solid var(--line)}
.related__head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:16px;margin-bottom:32px}
.related__head h2{font-size:32px;font-weight:600}
.related__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}

/* ---------- 列表页：页头 ---------- */
.insight-hero{position:relative;overflow:hidden;padding:72px 0 48px;border-bottom:1px solid var(--line)}
.insight-hero::after{
  content:"";position:absolute;right:-90px;top:-150px;width:430px;height:430px;
  border:1px solid rgba(76,201,216,.13);border-radius:50%;
  box-shadow:0 0 0 80px rgba(76,201,216,.025),0 0 0 160px rgba(76,201,216,.018);
  pointer-events:none;
}
.insight-hero > .container{position:relative;z-index:1}
.insight-hero h1{font-size:56px;line-height:1.25;font-weight:700;letter-spacing:-.025em;margin:18px 0 20px}
.insight-hero .body-lg{max-width:720px}
.insight-stats{display:flex;flex-wrap:wrap;gap:48px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.insight-stat{display:flex;flex-direction:column;gap:4px}
.insight-stat__num{font-family:var(--font-mono);font-size:34px;font-weight:600;color:var(--accent);line-height:1.2;font-variant-numeric:tabular-nums}
.insight-stat__label{font-size:13px;color:var(--muted)}

/* ---------- 列表页：筛选工具 ---------- */
.insight-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.type-tabs{display:flex;gap:8px;flex-wrap:wrap}
.type-tabs button{
  font-size:14px;padding:9px 18px;border:1px solid var(--line);border-radius:var(--radius);
  background:transparent;color:var(--muted);cursor:pointer;transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.type-tabs button:hover{border-color:var(--accent);color:var(--accent)}
.type-tabs button.is-active{border-color:var(--accent);color:var(--bg);background:var(--accent);font-weight:600}
.insight-search{position:relative;display:flex;align-items:center;min-width:280px}
.insight-search input{
  width:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:11px 16px 11px 40px;font-size:14px;transition:border-color .2s ease,background-color .2s ease;
}
.insight-search input::placeholder{color:#6D7E8A}
.insight-search input:focus{outline:none;border-color:var(--accent);background:#16222B}
.insight-search::before{content:"⌕";position:absolute;left:14px;top:50%;transform:translateY(-52%);font-size:19px;color:var(--accent);pointer-events:none}
.cluster-filter{display:flex;flex-wrap:wrap;gap:8px;padding:24px 0 8px}
.chip{
  font-size:13px;padding:8px 14px;border:1px solid var(--line);border-radius:var(--radius);
  background:transparent;color:var(--muted);cursor:pointer;transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.is-active{border-color:var(--accent);color:var(--accent);background:rgba(76,201,216,.09)}
.chip__count{font-family:var(--font-mono);font-size:11px;color:var(--line-strong);margin-left:6px}
.chip.is-active .chip__count{color:var(--accent)}
.insight-result{font-size:13px;color:var(--muted);margin:8px 0 24px;font-family:var(--font-mono)}

/* ---------- 列表页：卡片 ---------- */
.insight-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.insight-card{
  position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;display:flex;flex-direction:column;gap:16px;
  transition:border-color .22s ease,background-color .22s ease,transform .22s ease;
}
.insight-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:1px;background:linear-gradient(90deg,var(--accent),rgba(76,201,216,.25) 40%,transparent 75%);opacity:.32;transition:opacity .22s ease;pointer-events:none}
.insight-card:hover{transform:translateY(-4px);border-color:rgba(76,201,216,.55);background:var(--surface-hover)}
.insight-card:hover::before{opacity:1}
.insight-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.insight-card__cat{font-size:12px;padding:3px 9px;color:var(--accent);border:1px solid rgba(76,201,216,.32);border-radius:var(--radius);white-space:nowrap}
.insight-card__date{font-family:var(--font-mono);font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.insight-card h3{font-size:19px;line-height:1.55;font-weight:600;color:var(--text)}
.insight-card p{font-size:13.5px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.insight-card__foot{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.insight-card__kw{color:var(--accent)}
.insight-card__arrow{font-family:var(--font-mono);color:var(--accent);transition:transform .2s ease}
.insight-card:hover .insight-card__arrow{transform:translateX(4px)}
.insight-empty{display:none;padding:64px 24px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius)}
.insight-empty.is-shown{display:block}
.insight-more{display:flex;justify-content:center;margin-top:48px}
.insight-more.is-hidden{display:none}
.insight-more button{font-size:14px;padding:12px 28px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);color:var(--text);cursor:pointer;transition:border-color .2s ease,color .2s ease}
.insight-more button:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- 首页最新洞察 ---------- */
.latest-insights{padding:96px 0;background:var(--surface);border-top:1px solid var(--line)}
.latest-insights__head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:20px;margin-bottom:36px}
.latest-insights__head h2{font-size:40px;font-weight:700;letter-spacing:-.018em;margin-top:14px}
.latest-insights__head p{margin-top:14px;color:var(--muted);max-width:640px}
.latest-insights .insight-grid{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- 响应式 ---------- */
@media (max-width:1248px){
  .article-layout{gap:40px}
  .insight-hero h1{font-size:48px}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .article__side{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .article__side .side-cta{grid-column:1 / -1}
  .article__head h1{font-size:36px}
  .insight-grid,.related__grid,.latest-insights .insight-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .insight-hero{padding:72px 0 56px}
  .insight-hero h1{font-size:40px}
  .latest-insights{padding:72px 0}
}
@media (max-width:768px){
  .article-wrap{padding:40px 0 64px}
  .article__head h1{font-size:30px}
  .article__lead{font-size:15px}
  .article__body{font-size:15.5px}
  .article__body h2{font-size:23px;margin:44px 0 18px}
  .article__body h3{font-size:18px}
  .article__body table{display:block;overflow-x:auto;white-space:nowrap}
  .article__side{grid-template-columns:minmax(0,1fr)}
  .article-nav{grid-template-columns:minmax(0,1fr)}
  .article-nav a.is-next{text-align:left;align-items:flex-start}
  .cta-inline{flex-direction:column;align-items:flex-start}
  .insight-grid,.related__grid,.latest-insights .insight-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .insight-hero{padding:40px 0 32px}
  .insight-hero h1{font-size:32px}
  .insight-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 16px}
  .insight-stat__num{font-size:26px}
  .insight-toolbar{flex-direction:column;align-items:stretch}
  .insight-search{min-width:0}
  .related{padding:56px 0}
  .related__head h2{font-size:26px}
  .latest-insights{padding:56px 0}
  .latest-insights__head h2{font-size:28px}
  .reading-progress{top:80px}
}

/* =============================================================
   v4 · 行业动态栏目与文章版式精修
   与主站精修层同族：章节标尺 / 阅读节奏 / 卡片同语言
   ============================================================= */

/* 文章页只保留一条进度条：顶部全局条由 main.js 注入，二者重复 */
body.is-article .fx-progress{display:none}
.reading-progress{height:2px;background:linear-gradient(90deg,var(--accent),#EAFDFF);box-shadow:0 0 12px rgba(76,201,216,.5)}

/* 面包屑 */
.breadcrumb__inner{padding:18px 0;font-size:12.5px;letter-spacing:.02em}

/* 栏目页头：与内页同族——网格纸 + 章节标尺 */
.insight-hero{
  padding:clamp(56px,7.2vw,104px) 0 clamp(44px,5vw,72px);
  background-image:
    linear-gradient(to right,rgba(76,201,216,.042) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(76,201,216,.032) 1px,transparent 1px);
  background-size:48px 48px;
}
.insight-hero > .container{position:relative}
.insight-hero > .container::before{
  content:"05 / INSIGHTS & NOTES";
  position:absolute;left:0;top:-44px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  color:rgba(76,201,216,.72);white-space:nowrap;pointer-events:none;
}
.insight-hero > .container::after{
  content:"";position:absolute;left:0;right:0;top:-16px;height:1px;
  background:linear-gradient(90deg,rgba(76,201,216,.5),var(--line) 20%,transparent 76%);
  pointer-events:none;
}
.insight-hero h1{
  font-size:clamp(32px,3.9vw,56px);line-height:1.22;letter-spacing:-.018em;
  text-wrap:balance;margin:20px 0 22px;
}
.insight-hero .body-lg{max-width:640px;font-size:15.5px}
.insight-stat__num{letter-spacing:-.03em}
.insight-stat__label{letter-spacing:.02em}

/* 文章页头 */
.article__head{position:relative;margin-bottom:52px;padding-bottom:44px}
.article__head::before{
  content:"06 / FIELD NOTES";
  position:absolute;left:0;top:-34px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  color:rgba(76,201,216,.68);white-space:nowrap;pointer-events:none;
}
.article__head h1{
  font-size:clamp(30px,3.2vw,46px);line-height:1.3;letter-spacing:-.016em;
  text-wrap:balance;margin-bottom:24px;
}
.article__lead{font-size:clamp(15px,1.2vw,17px);max-width:720px;border-left-width:3px;padding-left:24px}
.article__meta{letter-spacing:.04em}

/* 正文节奏 */
.article__body{max-width:760px}
.article__body p{margin-bottom:24px}
.article__body h2{font-size:clamp(23px,2vw,28px);letter-spacing:-.008em}
.article__body h2::after{
  content:"";display:block;width:44px;height:1px;margin-top:16px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.article__body blockquote{border-left-width:3px}
.article__body th{letter-spacing:.02em}
.article__body tr:hover td{background:rgba(76,201,216,.055)}
.article__body code{letter-spacing:0}
.cta-inline{padding:26px 30px}
.tag-list span,.tag-list a{letter-spacing:.02em}

/* 侧栏 */
.article__side{gap:18px}
.side-box{padding:24px 22px}
.side-box__title{letter-spacing:.18em}
.toc-list a{padding-left:18px}
.toc-list a.is-active{background:rgba(76,201,216,.055);font-weight:500}
.side-cta{background:rgba(76,201,216,.055)}

/* 卡片：与主站 .card 同语言（hover 左侧竖线） */
.insight-card{padding:clamp(24px,2.2vw,30px)}
.insight-card::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--accent);transform:scaleY(0);transform-origin:top center;
  transition:transform .3s cubic-bezier(.16,1,.3,1);pointer-events:none;
}
.insight-card:hover::after{transform:scaleY(1)}
.insight-card h3{font-size:20px;line-height:1.5;letter-spacing:-.008em}
.insight-card__cat{letter-spacing:.04em}
.insight-card__foot{font-size:11.5px;letter-spacing:.02em}

/* 关键修复：只有 2 篇文章时不再留出空的第三列；篇数增多自动回到 3 列 */
.insight-grid,.related__grid,.latest-insights .insight-grid{
  grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));
}

/* 筛选工具栏 */
.type-tabs button{letter-spacing:.02em}
.insight-search input{padding:13px 16px 13px 42px}
.chip{min-height:38px;display:inline-flex;align-items:center;letter-spacing:.02em}
.chip__count{letter-spacing:.04em}
.insight-result{letter-spacing:.04em}
.related__head h2{letter-spacing:-.01em}

/* ---- 响应式与降级 ---- */
@media (max-width:1024px){
  .insight-hero > .container::before,.article__head::before{top:-32px}
}
@media (max-width:768px){
  .insight-hero{background-image:none}
  .insight-hero > .container::before,.insight-hero > .container::after,
  .article__head::before{display:none}
  .insight-search input{padding:11px 16px 11px 40px}
  .article__head{margin-bottom:36px;padding-bottom:28px}
  .insight-card__foot{font-size:11px}
}
@media (prefers-reduced-motion: reduce){
  .insight-card::after{display:none}
}

/* ---- 11. 文章题图规范（程序化头图，按 cluster 着色；可替换为实拍/AI 图） ---- */
.article__cover{
  position:relative;display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;min-height:clamp(196px,23vw,264px);margin-bottom:42px;padding:30px 32px;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
  background:
    radial-gradient(130% 150% at 16% 8%, color-mix(in srgb, var(--cover-accent,#4CC9D8) 20%, transparent), transparent 56%),
    linear-gradient(140deg,#10181F 0%,#0B1116 56%,#090D11 100%);
}
.article__cover::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:38px 38px;
  -webkit-mask-image:radial-gradient(120% 130% at 82% 118%,#000,transparent 68%);
  mask-image:radial-gradient(120% 130% at 82% 118%,#000,transparent 68%);
}
.article__cover-index{
  position:relative;flex:none;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;
  color:rgba(234,253,255,.62);text-transform:uppercase;
}
.article__cover-topic{
  position:relative;font-size:clamp(26px,3vw,40px);line-height:1.08;font-weight:700;
  letter-spacing:-.02em;color:#EAFDFF;max-width:64%;text-wrap:balance;
}
.article__cover-topic::before{
  content:"";display:block;width:34px;height:3px;margin-bottom:16px;border-radius:2px;
  background:var(--cover-accent,#4CC9D8);
}
/* cluster 主题色：body 上以 data-cluster 区分，仅用于题图微弱着色，整体仍统一深色 */
body[data-cluster="website"]   .article__cover{--cover-accent:#4CC9D8}
body[data-cluster="miniapp"]   .article__cover{--cover-accent:#7C9CF5}
body[data-cluster="app"]       .article__cover{--cover-accent:#9D8CF5}
body[data-cluster="promotion"] .article__cover{--cover-accent:#F2C14E}
body[data-cluster="video"]     .article__cover{--cover-accent:#F2789F}
body[data-cluster="trade"]     .article__cover{--cover-accent:#6FD0E8}
body[data-cluster="erp"]       .article__cover{--cover-accent:#5BD9A6}
body[data-cluster="mes"]       .article__cover{--cover-accent:#4FD0C0}
body[data-cluster="mail"]       .article__cover{--cover-accent:#E0A458}
body[data-cluster="industry"]   .article__cover{--cover-accent:#8AA1B1}
@media (max-width:768px){
  .article__cover{flex-direction:column;align-items:flex-start;gap:14px;min-height:172px;padding:24px 22px}
  .article__cover-topic{max-width:100%}
}

/* 列表页：hero 之后紧跟筛选栏。全局 .section 的 120px 上间距会把首屏内容
   整个推到折线以下，用户第一眼只看到筛选器，看不到任何文章标题。 */
.insight-hero + .section{padding-top:36px}
@media (max-width:768px){
  .insight-hero + .section{padding-top:24px}
}

/* —— 题图分类图标（装饰，右上角，跟随 cluster 配色） —— */
.article__cover-index,
.article__cover-topic{z-index:2}
.article__cover-icon{position:absolute;top:18px;right:20px;width:80px;height:80px;z-index:1;
  color:var(--cover-accent,#4CC9D8);opacity:.16;pointer-events:none}
.article__cover-icon .fzy-ico{width:100%;height:100%}
@media (max-width:768px){
  .article__cover-icon{width:56px;height:56px;top:14px;right:14px}
}