/* econmap — 报刊纸感样式：米纸底、衬线标题、暗红强调 */
:root {
  --paper: #faf7f2;
  --ink: #23201c;
  --ink-soft: #5a544b;
  --accent: #8f3b3b;
  --line: #e4ddd2;
  --card: #ffffff;
  --bc: #8f3b3b; /* 分支色，被内联覆盖 */
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.75 Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1080px; margin: 0 auto; padding: 18px 20px 10px;
}
.brand {
  font-size: 22px; font-weight: 700; letter-spacing: .5px; text-decoration: none; color: var(--ink);
  font-family: "Avenir Next", "PingFang SC", sans-serif;
}
.brand span { color: var(--accent); }
.navlinks { display: flex; gap: 18px; font-family: "Avenir Next", "PingFang SC", sans-serif; font-size: 14px; }
.navlinks a { color: var(--ink-soft); text-decoration: none; }
.navlinks a:hover { color: var(--accent); }
.navlinks a.lang { border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; }
.main { max-width: 1080px; margin: 0 auto; padding: 8px 20px 48px; }
h1 { font-size: 40px; line-height: 1.2; margin: 18px 0 6px; font-weight: 700; }
h2 { font-size: 25px; margin: 34px 0 10px; }
.term h1 { font-size: 34px; }
.sub { color: var(--ink-soft); font-size: 16px; margin: 0 0 8px; }
.intro { max-width: 720px; }
.stats { display: flex; gap: 26px; font-family: "Avenir Next", "PingFang SC", sans-serif; font-size: 14px; color: var(--ink-soft); margin: 10px 0 4px; }
.stats strong { color: var(--accent); font-size: 18px; }
.crumbs { font-family: "Avenir Next", "PingFang SC", sans-serif; font-size: 13px; color: var(--ink-soft); margin: 14px 0 4px; }
.crumbs a { color: var(--ink-soft); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
a { color: var(--accent); }

/* ---------- 地图 ---------- */
.mapwrap { margin: 18px 0 8px; overflow-x: auto; }
.map { width: 100%; height: auto; display: block; min-width: 720px; }
.map-branch { min-width: 720px; }
.c-center { fill: var(--card); stroke: var(--accent); stroke-width: 2.5; }
.t-center { font: 700 26px Georgia, "Songti SC", serif; fill: var(--ink); text-anchor: middle; }
.t-center-sub { font: 400 11px "Avenir Next", sans-serif; fill: var(--ink-soft); text-anchor: middle; letter-spacing: 2px; }
.t-branch { font: 700 14px "Avenir Next", "PingFang SC", sans-serif; text-anchor: middle; pointer-events: none; }
.t-bname { font: 700 13px "Avenir Next", "PingFang SC", sans-serif; }
.t-theme { font: 400 12px "Avenir Next", "PingFang SC", sans-serif; fill: #46403a; }
.l-trunk { stroke-width: 2.2; opacity: .75; }
.l-twig { stroke-width: 1; opacity: .38; fill: none; }
.m-node circle { transition: r .15s ease; cursor: pointer; }
.m-node:hover circle { r: 9; }
.m-node:hover text { fill: var(--accent); }
.mapwrap figcaption { font: 13px "Avenir Next", "PingFang SC", sans-serif; color: var(--ink-soft); text-align: center; margin-top: 4px; }

/* ---------- 分支卡片 ---------- */
.bgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 14px; margin-top: 14px; }
.bcard {
  display: flex; flex-direction: column; gap: 4px; text-decoration: none;
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--bc);
  padding: 14px 16px; border-radius: 6px; color: var(--ink);
}
.bcard:hover { border-color: var(--bc); box-shadow: 0 2px 10px rgba(35,32,28,.07); }
.bcard-name { font-weight: 700; font-size: 17px; }
.bcard-tag { color: var(--ink-soft); font-size: 14px; }
.bcard-more { font: 12px "Avenir Next", "PingFang SC", sans-serif; color: var(--ink-soft); margin-top: 4px; }

/* ---------- 主题列表 ---------- */
.tlist { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.trow {
  display: grid; grid-template-columns: 220px 1fr; align-items: baseline; gap: 14px;
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--bc);
  border-radius: 6px; padding: 12px 16px; text-decoration: none; color: var(--ink); position: relative;
}
.trow:hover { border-color: var(--bc); }
.trow span { color: var(--ink-soft); font-size: 15px; }
.trow .count {
  position: absolute; right: 12px; top: 12px; font: 12px "Avenir Next", sans-serif;
  background: var(--bc); color: #fff; border-radius: 999px; padding: 1px 9px;
}
@media (max-width: 640px) { .trow { grid-template-columns: 1fr; } }

/* ---------- 词条与概念卡 ---------- */
.cgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.tcard {
  display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: var(--ink);
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--bc);
  border-radius: 6px; padding: 12px 14px;
}
.tcard:hover { border-color: var(--bc); }
.tcard span { color: var(--ink-soft); font-size: 14px; }
.defbox { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 6px; padding: 14px 18px; margin: 16px 0; }
.peek { background: #f2eee6; border: 1px dashed #d8d0c2; border-radius: 6px; padding: 12px 18px; margin: 22px 0; font-size: 15px; }
.miscon { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.miscon li { display: grid; gap: 2px; background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 10px 14px; }
.miscon .wrong { color: #9c3a3a; font-size: 15px; }
.miscon .right { color: #2f6b46; font-size: 15px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 10px 16px; margin-bottom: 8px; }
.faq summary { cursor: pointer; font-weight: 700; }
.sources { font-size: 14px; color: var(--ink-soft); }
.xlink { font: 13px "Avenir Next", "PingFang SC", sans-serif; color: var(--ink-soft); margin-top: 26px; }
.empty { color: var(--ink-soft); font-style: italic; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); margin-top: 30px; padding: 18px 20px 34px; text-align: center; color: var(--ink-soft); font-size: 13px; }
.footer a { color: var(--ink-soft); }
@media (max-width: 640px) { h1 { font-size: 30px; } .term h1 { font-size: 26px; } }
.t-bcenter { font: 700 16px Georgia, "Songti SC", serif; text-anchor: middle; }