/* muse 精选 — 报纸版式 */

:root {
  --paper: #fcfbf7;
  --ink: #12100e;
  --ink-2: #3d3a35;
  --muted: #74706a;
  --rule: #d9d4c9;
  --rule-strong: #12100e;
  --accent: #8a1c1c;
  --warn: #8a5a00;
  --warn-bg: #f6ecd2;

  --serif: "Songti SC", "SimSun", "Noto Serif SC", "Source Han Serif SC", "STSong", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.9 var(--serif);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 报头 ---------- */

.masthead {
  border-top: 8px solid var(--rule-strong);
  margin-top: 18px;
  padding-top: 20px;
}

.masthead .brand {
  display: block;
  text-align: center;
  font-size: 54px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.masthead .brand:hover { text-decoration: none; }

.masthead .tagline {
  margin: 10px 0 16px;
  text-align: center;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  color: var(--muted);
}

.masthead .dateline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  padding: 7px 2px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}

.masthead .dateline i { font-style: normal; color: var(--rule); margin: 0 8px; }

/* ---------- 工具条 ---------- */

.toolbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0 10px;
  border-bottom: 1px solid var(--rule);
}

.section-label {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--ink-2);
}

#q {
  width: 260px;
  max-width: 50%;
  border: 0;
  border-bottom: 1px solid var(--rule-strong);
  background: transparent;
  padding: 4px 2px;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
  outline: none;
}
#q::placeholder { color: #a9a29a; }
#q:focus { border-bottom-width: 2px; }

.tagbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding: 10px 0 0;
  border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 10px;
}

.chip {
  border: 0;
  background: none;
  padding: 0 12px 0 0;
  margin: 0 12px 6px 0;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 1px solid transparent;
}
.chip:hover { color: var(--ink); }
.chip.active { color: var(--ink); border-bottom-color: var(--ink); }

/* ---------- 首页版面 ---------- */

.list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding-bottom: 8px;
}

.card {
  border-top: 1px solid var(--rule);
  padding: 26px 0 30px;
  min-width: 0;
}

.card:nth-child(even) { padding-right: 34px; }
.card:nth-child(odd):not(.lead):not(.wide) {
  border-left: 1px solid var(--rule);
  padding-left: 34px;
}

.card.lead,
.card.wide { grid-column: 1 / -1; }

.card:hover h2 { text-decoration: underline; text-underline-offset: 4px; }

.card-link { display: block; color: inherit; }
.card-link:hover { text-decoration: none; }

/* 图片一律按原始比例 */
.card-cover,
.post-figure img,
.content img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(18, 16, 14, 0.09);
}

.card-cover { margin: 16px 0 14px; }

.card-head time {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 8px;
}

.card h2 {
  margin: 0;
  font-size: 23px;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.card .summary {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
  text-align: justify;
}

/* 头条 */
.card.lead { padding-top: 30px; }
.card.lead h2 { font-size: 40px; line-height: 1.35; }
.card.lead .summary {
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-2);
  margin-top: 12px;
  max-width: 46em;
}
.card.lead .card-cover { margin: 20px 0 16px; }

/* 独条占满整行时，图左文右 */
.card.wide .card-link {
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  grid-template-areas:
    "img head"
    "img summary";
  column-gap: 38px;
  row-gap: 8px;
  align-items: start;
}
.card.wide .card-cover { grid-area: img; margin: 0; }
.card.wide .card-head { grid-area: head; }
.card.wide .summary { grid-area: summary; margin: 6px 0 0; }
.card.wide h2 { font-size: 27px; }

.card-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.tag {
  border: 0;
  background: none;
  padding: 0;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent);
  cursor: pointer;
}
.tag:hover { text-decoration: underline; color: var(--ink); }

.empty {
  color: var(--muted);
  text-align: center;
  padding: 40px 0;
  font-size: 15px;
}

.draft-flag {
  display: inline-block;
  background: var(--warn-bg);
  color: var(--warn);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 2px 8px;
}

/* ---------- 文章页 ---------- */

.post {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 0 10px;
}

.post h1 {
  margin: 0 0 16px;
  font-size: 40px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.standfirst {
  margin: 0 0 20px;
  font-size: 18px;
  line-height: 1.85;
  color: var(--ink-2);
}

.byline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin: 0 0 28px;
  padding: 8px 0;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.byline a { color: var(--accent); }

.post-figure { margin: 0 0 30px; }
.post-figure img { display: block; }

.content {
  font-size: 17px;
  line-height: 1.95;
  text-align: justify;
}
.content p { margin: 0 0 20px; }
.content p:first-of-type { text-indent: 0; }
.content h2 {
  font-size: 21px;
  margin: 34px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule);
}
.content h3 { font-size: 18px; margin: 26px 0 10px; }
.content ul, .content ol { padding-left: 24px; }
.content li { margin: 4px 0; }
.content code {
  background: #f1eee6;
  padding: 1px 5px;
  font-size: 14px;
  font-family: Consolas, "SFMono-Regular", monospace;
}
.content pre {
  background: #f5f2ea;
  border-left: 3px solid var(--rule-strong);
  padding: 12px 16px;
  overflow: auto;
  font-size: 14px;
}
.content pre code { background: none; padding: 0; }
.content blockquote {
  margin: 20px 0;
  padding: 2px 0 2px 16px;
  border-left: 3px solid var(--accent);
  color: var(--ink-2);
}

.content table { border-collapse: collapse; width: 100%; font-size: 15px; }
.content th, .content td { border-bottom: 1px solid var(--rule); padding: 8px 10px; text-align: left; }
.content th { border-bottom: 1px solid var(--rule-strong); }

.post .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
}

.post-nav {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0 0;
  margin-top: 34px;
  border-top: 3px double var(--rule-strong);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

.post-nav a { max-width: 48%; }
.post-nav a:last-child { text-align: right; }

/* ---------- 其他 ---------- */

.notfound { max-width: 720px; margin: 60px auto; text-align: center; }
.notfound .nf-kicker {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--muted);
  margin: 0 0 10px;
}
.notfound h1 { font-size: 30px; line-height: 1.5; margin: 0 0 20px; }

.site-foot {
  margin-top: 48px;
  border-top: 1px solid var(--rule-strong);
  padding: 14px 0 40px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- 窄屏 ---------- */

@media (max-width: 860px) {
  .wrap { padding: 0 20px; }
  .masthead .brand { font-size: 38px; }
  .masthead .tagline { letter-spacing: 0.3em; }
  .masthead .dateline { font-size: 11px; flex-wrap: wrap; gap: 6px; }

  .toolbar { flex-direction: column; align-items: stretch; gap: 10px; }
  #q { width: 100%; max-width: none; }

  .list { grid-template-columns: 1fr; }
  .card:nth-child(even) { padding-right: 0; }
  .card:nth-child(odd):not(.lead):not(.wide) {
    border-left: 0;
    padding-left: 0;
  }
  .card.lead h2 { font-size: 28px; }
  .card h2 { font-size: 20px; }
  .card.wide .card-link { grid-template-columns: 1fr; gap: 16px; }
  .card.wide h2 { font-size: 22px; }

  .post { padding-top: 28px; }
  .post h1 { font-size: 28px; }
  .standfirst { font-size: 16px; }
}