/* ═══════════ AI 工具志 · 刊物风样式 ═══════════ */
:root {
  --paper: #faf7f0;
  --paper-2: #f2ede1;
  --ink: #21201c;
  --ink-2: #6f6a5e;
  --hair: #d8d2c2;
  --vermilion: #c8371e;
  --seal: #b03a2e;
  --serif: "Songti SC", "Noto Serif SC", SimSun, Georgia, "Times New Roman", serif;
  --sans: "PingFang SC", "Microsoft YaHei", sans-serif;
}
.night {
  --paper: #191712;
  --paper-2: #211e18;
  --ink: #e8e2d2;
  --ink-2: #9a9284;
  --hair: #3a352b;
  --vermilion: #e05a41;
  --seal: #c9563f;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--serif);
  background: var(--paper);
  color: var(--ink);
  transition: background .3s, color .3s;
  -webkit-font-smoothing: antialiased;
}
a, button { color: inherit; text-decoration: none; cursor: pointer; font-family: inherit; background: none; border: none; }
b { font-weight: 700; }

/* ═══ 刊头 ═══ */
.mast-rule { height: 1px; background: var(--ink); }
.mast-rule.thick { height: 4px; background: var(--ink); }
.masthead { padding-top: 10px; }
.mast-inner {
  max-width: 980px; margin: 0 auto; padding: 26px 24px 8px;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: baseline;
}
.mast-meta { font-size: 12.5px; color: var(--ink-2); display: flex; gap: 16px; align-items: baseline; }
.mast-meta.right { justify-content: flex-end; }
.mast-meta b { color: var(--vermilion); }
.mast-title {
  font-size: 58px; font-weight: 900; letter-spacing: 14px; text-indent: 14px;
  font-family: var(--serif); line-height: 1;
}
.daynight {
  font-size: 12.5px; color: var(--vermilion);
  border-bottom: 1px dashed var(--vermilion); padding-bottom: 1px;
}
.daynight:hover { color: var(--ink); border-color: var(--ink); }
.mast-slogan {
  text-align: center; font-size: 13px; color: var(--ink-2);
  letter-spacing: 6px; padding: 12px 0 14px;
}

/* ═══ 检索行 ═══ */
.lookup {
  max-width: 980px; margin: 22px auto 0; padding: 0 24px;
  display: flex; align-items: baseline; gap: 14px;
  border-bottom: 2px solid var(--ink);
}
.lookup-label { font-size: 15px; font-weight: 900; letter-spacing: 4px; flex-shrink: 0; }
.lookup input {
  flex: 1; border: none; outline: none; background: transparent;
  font-family: var(--serif); font-size: 16.5px; color: var(--ink);
  padding: 8px 2px; letter-spacing: 1px;
}
.lookup input::placeholder { color: var(--ink-2); opacity: .55; }
.lookup-clear { color: var(--vermilion); font-size: 14px; padding: 0 6px; }

/* ═══ 版面导航 ═══ */
.sections {
  max-width: 980px; margin: 0 auto; padding: 16px 24px 14px;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px;
  font-size: 15px;
}
.sections i { color: var(--hair); font-style: normal; font-size: 13px; }
.sections a {
  letter-spacing: 3px; padding: 3px 2px; position: relative; color: var(--ink);
}
.sections a:hover { color: var(--vermilion); }
.sections a.on { font-weight: 900; }
.sections a.on::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px;
  height: 3px; background: var(--vermilion);
}
.sec-n { font-size: 10.5px; color: var(--ink-2); vertical-align: super; letter-spacing: 0; margin-left: 2px; }

/* ═══ 版面 ═══ */
.sheet { max-width: 980px; margin: 0 auto; padding: 0 24px 60px; }
.sheet-head {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 18px 0 10px; border-bottom: 3px double var(--ink);
}
.sheet-head h2 { font-size: 24px; font-weight: 900; letter-spacing: 4px; }
.order { font-size: 12.5px; color: var(--ink-2); display: flex; gap: 7px; align-items: baseline; }
.order i { font-style: normal; color: var(--hair); }
.order a { letter-spacing: 1px; }
.order a:hover, .order a.on { color: var(--vermilion); font-weight: 700; }

/* ═══ 条目行 ═══ */
.entries { list-style: none; counter-reset: entry; }
.entry {
  display: grid;
  grid-template-columns: 56px 46px 1fr 150px;
  gap: 0 18px; align-items: center;
  padding: 20px 6px; border-bottom: 1px solid var(--hair);
  position: relative; transition: background .18s;
}
.entry:hover { background: var(--paper-2); }
.entry.flash { animation: flash .7s ease-out; }
@keyframes flash {
  0% { background: color-mix(in srgb, var(--vermilion) 22%, transparent); }
  100% { background: transparent; }
}

/* 序号 */
.entry-no {
  font-size: 26px; font-weight: 300; color: var(--ink-2);
  font-variant-numeric: tabular-nums; counter-increment: entry;
}
.entry-no::before { content: counter(entry, decimal-leading-zero); }
.entry:hover .entry-no { color: var(--vermilion); font-weight: 700; }

/* 印章式图标 */
.seal-mark {
  width: 42px; height: 42px; border: 2px solid currentColor;
  border-radius: 3px; display: grid; place-items: center;
  font-size: 17px; font-weight: 900; transform: rotate(-3deg);
  flex-shrink: 0;
}

/* 主体 */
.entry-body { min-width: 0; }
.entry-name-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.entry-name { font-size: 19px; font-weight: 900; letter-spacing: 1px; }
.entry-host {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 11.5px; color: var(--ink-2); letter-spacing: 0;
}
.entry-mark { font-size: 10.5px; letter-spacing: 2px; padding: 1px 6px; border: 1px solid; }
.mk-free { color: #2c7a3f; }
.mk-hot { color: var(--vermilion); }
.entry-desc {
  margin-top: 6px; font-size: 13.5px; color: var(--ink-2);
  line-height: 1.75; letter-spacing: .5px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* 行末操作 */
.entry-side {
  display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
  justify-self: end;
}
.entry-kicker { font-size: 11px; color: var(--ink-2); letter-spacing: 2px; }
.entry-kicker b { color: var(--seal); }
.entry-acts { display: flex; gap: 12px; align-items: baseline; }
.fav-mark { font-size: 15px; color: var(--ink-2); transition: color .15s, transform .15s; }
.fav-mark:hover { color: var(--vermilion); transform: scale(1.2); }
.fav-mark.on { color: var(--vermilion); }
.go-mark {
  font-size: 14px; letter-spacing: 2px; color: var(--ink);
  border-bottom: 1px solid var(--ink); padding-bottom: 1px;
}
.entry:hover .go-mark { color: var(--vermilion); border-color: var(--vermilion); }

/* 空版 */
.blank { text-align: center; padding: 80px 0; }
.blank .big { font-size: 22px; font-weight: 900; letter-spacing: 6px; }
.blank .dim { margin-top: 12px; font-size: 13px; color: var(--ink-2); letter-spacing: 3px; }

/* ═══ 响应式 ═══ */
@media (max-width: 860px) {
  .mast-title { font-size: 34px; letter-spacing: 8px; text-indent: 8px; }
  .mast-inner { grid-template-columns: 1fr; text-align: center; gap: 8px; padding-top: 18px; }
  .mast-meta { justify-content: center !important; }
  .mast-slogan { letter-spacing: 3px; }
  .lookup { margin-top: 14px; }
  .sections { font-size: 13.5px; gap: 2px 7px; }
  .sections a { letter-spacing: 1px; }
  .entry { grid-template-columns: 34px 1fr; grid-template-rows: auto auto; gap: 6px 12px; padding: 16px 2px; }
  .entry-no { grid-row: 1; font-size: 17px; }
  .seal-mark { display: none; }
  .entry-body { grid-column: 2; }
  .entry-name { font-size: 16px; }
  .entry-desc { font-size: 12.5px; -webkit-line-clamp: 3; }
  .entry-side { grid-column: 2; flex-direction: row; align-items: baseline; gap: 8px; justify-self: start; }
  .entry-kicker { order: 3; margin-left: auto; }
}
@media (max-width: 480px) {
  .sheet, .sections, .lookup, .mast-inner { padding-left: 14px; padding-right: 14px; }
  .order { display: none; }
  .sheet-head h2 { font-size: 19px; }
}