/* 博客 / 更新日志：承接 home.css 浅色令牌。
   与首页一样跑 mesh 动态渐变背景（canvas#bg + .veil），
   文章主体用不透明白底卡片承载，保证阅读舒适度。 */
.page { min-height: 100vh; }
main.wrap { padding-bottom: clamp(2.5rem, 5vw, 3.5rem); }
.shell { padding-top: clamp(1.5rem, 3vw, 2.5rem); }

/* 列表页标题区（留在动态背景上） */
.page-head { padding: clamp(1.5rem, 3vw, 2.5rem) 0 clamp(1.25rem, 3vw, 1.9rem); }
.eyebrow {
  margin: 0 0 .45rem;
  font-family: var(--mono); font-size: .64rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.page-head h1 { margin: 0 0 .6rem; font-size: clamp(1.75rem, 3.2vw, 2.75rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
.page-head .lede { margin: 0; max-width: 52ch; font-size: .97rem; color: var(--ink2); line-height: 1.6; }

/* 文章列表：每条一张不透明白卡片 */
.feed { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: clamp(.9rem, 2vw, 1.4rem); }
.feed-item {
  display: grid; grid-template-columns: minmax(0, 1fr);
  gap: clamp(.9rem, 2vw, 1.4rem);
  padding: clamp(1.1rem, 2.5vw, 1.5rem) clamp(1.2rem, 2.5vw, 1.6rem);
  background: #fff; border: 1px solid var(--hair2); border-radius: 2px;
  transition: border-color .24s, box-shadow .24s, transform .24s cubic-bezier(.16, 1, .3, 1);
}
.feed-item.has-cover { grid-template-columns: minmax(0, 13rem) minmax(0, 1fr); }
@media (max-width: 40rem) { .feed-item.has-cover { grid-template-columns: minmax(0, 1fr); } }

.feed-cover {
  width: 100%; aspect-ratio: 16 / 10; object-fit: cover; align-self: start;
  border: 1px solid var(--hair2); border-radius: 2px;
}
.feed-body { min-width: 0; }
.feed-body h2 { margin: 0 0 .45rem; font-size: 1.2rem; font-weight: 700; letter-spacing: -.018em; line-height: 1.35; color: var(--ink); transition: color .2s; }
.feed-sum { margin: 0; max-width: 60ch; font-size: .91rem; color: var(--ink2); line-height: 1.6; }
.feed-meta {
  display: flex; gap: .5rem; margin: .45rem 0 0;
  font-size: .78rem; color: var(--muted); font-family: var(--mono); font-variant-numeric: tabular-nums;
}
@media (hover: hover) and (pointer: fine) {
  .feed-item:hover { border-color: var(--hair); box-shadow: 0 6px 22px rgba(15, 23, 42, .07); }
  .feed-item:hover h2 { color: #0b1220; }
}

/* 更新日志短条目 */
.feed-log .feed-item { padding: clamp(.9rem, 2vw, 1.15rem) clamp(1.2rem, 2.5vw, 1.6rem); }
.feed-log .feed-body h2 { font-size: 1.05rem; }

/* 分页（留在背景上） */
.pager {
  display: flex; align-items: center; gap: clamp(.9rem, 2vw, 1.4rem);
  margin-top: clamp(1.25rem, 3vw, 1.9rem);
}
.pager-pos { font-size: .83rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.pager .btn-line,
.pager .btn-fill {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .35rem; padding: .55rem 1.1rem;
  font-size: .83rem; font-weight: 600;
  border-radius: 2px; cursor: pointer; white-space: nowrap;
  border: 1px solid transparent; transition: background .18s, color .18s, border-color .18s, transform .18s;
}
.btn-fill { background: var(--ink); color: #f5f7fa; }
.btn-fill:hover { background: #0b1220; }
.btn-line { background: #fff; color: var(--ink); border-color: var(--hair2); }
.btn-line:hover { border-color: var(--hair); }

.empty {
  padding: clamp(2.5rem, 5vw, 3.5rem) 0; text-align: center; color: var(--muted);
  background: #fff; border: 1px solid var(--hair2); border-radius: 2px;
}

/* 详情页：面包屑留在背景上 */
.crumb {
  display: flex; align-items: center; gap: .5rem;
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  font-size: .83rem; color: var(--muted);
}
.crumb a { color: inherit; transition: color .18s; }
.crumb a:hover { color: #0b1220; }

/* 详情页：整篇文章一个不透明白卡片 */
.post {
  max-width: 50rem; margin-inline: auto;
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: #fff; border: 1px solid var(--hair2); border-radius: 2px;
}
.post-head h1 { margin: 0 0 .6rem; font-size: clamp(1.75rem, 3.2vw, 2.75rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
.post-meta {
  display: flex; gap: .5rem;
  margin: 0; font-size: .78rem; color: var(--muted); font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.post-cover {
  width: 100%; margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  border: 1px solid var(--hair2); border-radius: 2px;
}
.post-back { margin-top: clamp(1.25rem, 3vw, 1.75rem); font-size: .83rem; }
.post-back a { color: var(--muted); transition: color .18s; }
.post-back a:hover { color: #0b1220; }

/* 正文排版 */
.prose { margin-top: clamp(1.25rem, 3vw, 1.75rem); font-size: 1.0625rem; line-height: 1.85; color: var(--ink2); }
.prose h2 { margin: clamp(1.5rem, 3vw, 2.5rem) 0 .6rem; font-size: 1.45rem; font-weight: 700; letter-spacing: -.01em; line-height: 1.3; color: var(--ink); }
.prose h3 { margin: clamp(1.25rem, 3vw, 1.75rem) 0 .5rem; font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; line-height: 1.35; color: var(--ink); }
.prose h4 { margin: clamp(1rem, 2vw, 1.5rem) 0 .45rem; font-size: 1.05rem; font-weight: 700; line-height: 1.4; color: var(--ink); }
.prose p { margin: 0 0 1rem; }
.prose ul, .prose ol { margin: 0 0 1rem; padding-left: 1.5em; }
.prose li { margin-bottom: .25rem; }
.prose a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: #0b1220; }
.prose img { margin: 1.5rem 0; border: 1px solid var(--hair2); border-radius: 2px; }
.prose blockquote {
  margin: 1.5rem 0; padding: .7rem 1.1rem;
  border-left: 3px solid var(--ink2);
  background: rgba(15, 23, 42, .04); color: var(--ink2);
}
.prose code {
  font-family: var(--mono); font-size: .9em;
  background: rgba(15, 23, 42, .06); padding: .15em .35em; border-radius: 2px;
}
.prose pre { margin: 0 0 1rem; padding: 1.1rem; background: rgba(15, 23, 42, .06); overflow-x: auto; border-radius: 2px; }
.prose pre code { background: none; padding: 0; }
.prose table { width: 100%; margin: 1.5rem 0; border-collapse: collapse; font-size: .91rem; }
.prose th, .prose td { padding: .5rem .75rem; border: 1px solid var(--hair2); text-align: left; }
.prose th { background: rgba(15, 23, 42, .04); font-weight: 700; }
.prose hr { margin: clamp(1.5rem, 3vw, 2.5rem) 0; border: 0; border-top: 1px solid var(--hair2); }

/* 草稿预览条（白卡片） */
.preview-bar {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: .5rem clamp(.9rem, 2vw, 1.4rem);
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  padding: .5rem 1.1rem;
  background: #fff; border: 1px dashed var(--ink2);
  border-radius: 2px; font-size: .83rem;
}
.preview-tag { padding: 2px 10px; border-radius: 999px; background: var(--ink); color: #f5f7fa; font-size: .75rem; font-weight: 600; white-space: nowrap; }
.preview-note { flex: 1 1 auto; color: var(--muted); }
.preview-acts { display: flex; align-items: center; gap: 1rem; }
.preview-acts a { color: var(--ink2); transition: color .18s; }
.preview-acts a:hover { color: #0b1220; }
.preview-acts button {
  padding: 0; border: 0; background: none; cursor: pointer;
  color: var(--ink2); font-size: inherit; text-decoration: underline; text-underline-offset: 3px;
}