/* ============================================================
   南方數據 BLOG — 在 site.css 之上的博客层
   ============================================================ */

.blog-hero{
  padding-block:96px 72px;
  border-bottom:1px solid var(--line-soft);
  position:relative; overflow:hidden;
}
.blog-hero__mesh{
  position:absolute; inset:0; pointer-events:none; opacity:.4;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 70% at 25% 30%, #000 10%, transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 70% 70% at 25% 30%, #000 10%, transparent 72%);
}
.blog-hero h1{ max-width:16ch; }
.blog-hero .lede{ margin-top:24px; }

.blog-meta{
  display:flex; gap:26px; flex-wrap:wrap; margin-top:40px;
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.12em;
  text-transform:uppercase; color:var(--muted);
}
.blog-meta b{ color:var(--ink); font-weight:500; }

/* 精选文章 */
.featured{
  display:grid; grid-template-columns:1.25fr .75fr; gap:1px;
  background:var(--line-soft); border:1px solid var(--line-soft);
}
.featured__main{ background:var(--bg-card); padding:44px 42px; }
.featured__side{
  background:var(--bg); padding:32px 30px;
  display:flex; flex-direction:column; gap:0;
}
.featured__side h5{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.14em;
  text-transform:uppercase; color:var(--muted); margin:0 0 18px; font-weight:400;
}
.mini-post{
  padding:15px 0; border-top:1px solid var(--line-soft);
  display:block; transition:padding-left .2s;
}
.mini-post:hover{ padding-left:6px; }
.mini-post span{
  font-family:var(--font-mono); font-size:10.5px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--accent-ink); display:block; margin-bottom:5px;
}
.mini-post h4{ font-size:15px; line-height:1.45; font-weight:500; }

/* 文章列表 */
.post-list{ border-top:1px solid var(--line-soft); }
.post-item{
  display:grid; grid-template-columns:150px 1fr 120px; gap:32px;
  padding:30px 0; border-bottom:1px solid var(--line-soft);
  align-items:baseline; transition:background .2s;
}
.post-item:hover{ background:rgba(255,255,255,.015); }
.post-item__date{
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.1em;
  color:var(--muted); text-transform:uppercase; padding-top:4px;
}
.post-item h3{ font-size:20px; margin-bottom:8px; }
.post-item p{ font-size:14px; color:var(--muted); line-height:1.6; max-width:60ch; }
.post-item__tag{
  font-family:var(--font-mono); font-size:10.5px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--muted); text-align:right; padding-top:5px;
}

/* 分类条 */
.cats{ display:flex; gap:10px; flex-wrap:wrap; }
.cat{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--ink-dim);
  border:1px solid var(--line); padding:7px 13px; transition:all .2s;
}
.cat:hover,.cat.is-on{ color:#fff; border-color:var(--accent); background:rgba(46,125,255,.12); }

/* 文章页 */
.article{ padding-block:72px 0; }
.article__head{ max-width:760px; margin-inline:auto; padding-inline:var(--gut); }
.article__head h1{ font-size:clamp(28px,3.6vw,46px); line-height:1.22; margin-bottom:22px; }
.article__meta{
  display:flex; gap:20px; flex-wrap:wrap; align-items:center;
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--muted);
  padding-bottom:30px; border-bottom:1px solid var(--line-soft);
}
.article__body{ max-width:760px; margin-inline:auto; padding:44px var(--gut) 0; }
.article__body > p{ margin-bottom:22px; color:var(--ink-dim); font-size:16.5px; line-height:1.85; }
.article__body h2{
  font-size:clamp(21px,2.2vw,27px); margin:52px 0 18px;
  padding-top:34px; border-top:1px solid var(--line-soft);
}
.article__body h3{ font-size:18px; margin:32px 0 12px; color:var(--ink); }
.article__body ul,.article__body ol{ margin:0 0 24px; padding-left:22px; color:var(--ink-dim); }
.article__body li{ margin-bottom:10px; line-height:1.75; }
.article__body strong{ color:var(--ink); font-weight:600; }
.article__body code{
  font-family:var(--font-mono); font-size:.88em; background:var(--bg-elev);
  border:1px solid var(--line); padding:2px 6px; color:var(--accent-ink);
}
.article__body pre{
  background:var(--bg-elev); border:1px solid var(--line); padding:18px 20px;
  overflow-x:auto; margin:0 0 26px;
}
.article__body pre code{ background:none; border:0; padding:0; color:var(--ink-dim); }
.article__body blockquote{
  margin:0 0 26px; padding:4px 0 4px 22px; border-left:2px solid var(--accent);
  color:var(--ink-dim); font-size:16px;
}
.article__body table{ width:100%; border-collapse:collapse; margin-bottom:26px; font-size:14.5px; }
.article__body th,.article__body td{
  text-align:left; padding:12px 14px 12px 0; border-bottom:1px solid var(--line-soft);
  vertical-align:top;
}
.article__body th{ color:var(--muted); font-weight:500; }

.article__foot{
  max-width:760px; margin:64px auto 0; padding:34px var(--gut) 0;
  border-top:1px solid var(--line-soft);
}

/* 订阅块 */
.subscribe{
  border:1px solid var(--line); background:var(--bg-elev); padding:34px;
  display:grid; grid-template-columns:1fr auto; gap:24px; align-items:center;
}
.subscribe h3{ margin-bottom:6px; }
.subscribe p{ font-size:14px; color:var(--muted); max-width:44ch; }
.subscribe form{ display:flex; gap:10px; flex-wrap:wrap; }
.subscribe input{
  background:var(--bg); border:1px solid var(--line); padding:12px 14px;
  color:var(--ink); font-size:14px; font-family:inherit; min-width:240px;
}
.subscribe input:focus{ outline:none; border-color:var(--accent); }

@media (max-width:1080px){
  .featured{ grid-template-columns:1fr; }
  .post-item{ grid-template-columns:110px 1fr; gap:20px; }
  .post-item__tag{ display:none; }
  .subscribe{ grid-template-columns:1fr; }
}
@media (max-width:720px){
  .blog-hero{ padding-block:64px 48px; }
  .article__head h1{ font-size:26px; }
  .post-item{ grid-template-columns:1fr; gap:8px; }
  .post-item__date{ order:-1; }
  .featured__main,.featured__side{ padding:26px 22px; }
  .article__body > p{ font-size:16px; line-height:1.8; }
  .subscribe input{ min-width:0; width:100%; }
}

/* 分页 */
.pager{ display:flex; align-items:center; gap:18px; margin-top:44px; padding-top:26px; border-top:1px solid var(--line-soft); }
.pager__link{ font-size:14px; color:var(--ink-dim); border:1px solid var(--line); padding:9px 16px; transition:all .2s; }
.pager__link:hover{ color:#fff; border-color:var(--accent); background:rgba(46,125,255,.1); }
.pager__now{ font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; color:var(--muted); margin-inline:auto; }
@media (max-width:720px){ .pager{ gap:10px; } .pager__link{ padding:10px 14px; } }

/* 每日简报卡片区 */
.digest-hd{ display:flex; align-items:baseline; justify-content:space-between; gap:24px; flex-wrap:wrap; margin-bottom:32px; }
.digest-hd h2{ font-size:clamp(22px,2.4vw,30px); }
.digest-meta{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.06em; color:var(--muted); }
.digest-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line-soft); border:1px solid var(--line-soft); }
.digest-card{ background:var(--bg); padding:26px 26px 22px; display:flex; flex-direction:column; gap:10px; transition:background .2s; }
.digest-card:hover{ background:var(--bg-card); }
.digest-card h3{ font-size:16.5px; line-height:1.42; letter-spacing:-.01em; }
.digest-card p{ font-size:14px; line-height:1.62; color:var(--ink-dim); }
.digest-src{ font-family:var(--font-mono); font-size:10.5px; letter-spacing:.08em; color:var(--muted); margin-top:auto; padding-top:6px; }
@media (max-width:900px){ .digest-grid{ grid-template-columns:1fr; } }
@media (max-width:720px){
  .digest-card{ padding:20px 18px; }
  .digest-card h3{ font-size:16px; }
  .digest-hd{ gap:8px; margin-bottom:22px; }
}