/* ============================================================
   史纲 · 毛中特 时轴 — app.css
   深空黑 + 鎏金 + 朱砂 / 暗色学术工作台
   ============================================================ */

:root {
  --bg: #070a0f;
  --bg-2: #0a0e14;
  --panel: rgba(15, 21, 30, .90);
  --panel-2: rgba(18, 25, 35, .74);
  --line: rgba(122, 168, 214, .20);
  --line-soft: rgba(122, 168, 214, .10);
  --line-strong: rgba(201, 164, 92, .48);
  --gold: #d4ad64;
  --gold-soft: #f0d598;
  --gold-dim: #947c4e;
  --text: #d9d6cd;
  --text-2: #bbb8ae;
  --text-dim: #8d8b83;
  --text-faint: #777a76;
  --red: #c0563f;
  --purple: #8a5aa8;
  --blue: #4a7fb5;
  --serif: "Noto Serif SC", "Source Han Serif SC", "STZhongsong", "Songti SC", "STSong", SimSun, Georgia, serif;
  --sans: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", "Segoe UI", system-ui, sans-serif;
  --display: "Bodoni 72", Didot, Georgia, "Times New Roman", "Songti SC", serif;
  --mono: "Cascadia Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(201, 164, 92, .028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 164, 92, .028) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 90% 85% at 50% 40%, #000 15%, transparent 85%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 60% at 50% 30%, rgba(58, 47, 30, .18), transparent 70%),
    radial-gradient(ellipse 80% 70% at 50% 110%, rgba(0, 0, 0, .55), transparent 60%);
}

button, input, select { font: inherit; }
button { color: inherit; }
::selection { background: rgba(201, 164, 92, .28); color: #fff8ea; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(201, 164, 92, .22); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: rgba(201, 164, 92, .36); }

.app {
  position: relative;
  z-index: 1;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0 18px;
}

/* ============================ 顶栏 ============================ */
.topbar {
  flex: 0 0 104px;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 10px 0 8px;
  border-bottom: 1px solid rgba(201, 164, 92, .08);
  min-width: 0;
}
.brand {
  display: flex;
  align-items: flex-end;
  gap: 18px;
  flex: 0 0 auto;
}
.brand-year {
  font-family: var(--display);
  font-size: 54px;
  line-height: .86;
  font-weight: 400;
  letter-spacing: 2px;
  color: #ece2cc;
  min-width: 124px;
  text-shadow: 0 0 30px rgba(201, 164, 92, .20), 0 1px 0 rgba(0, 0, 0, .6);
  font-variant-numeric: tabular-nums;
}
.brand-text { display: flex; flex-direction: column; gap: 6px; padding-bottom: 3px; }
.brand-title {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .6px;
  color: #e8dfcd;
  white-space: nowrap;
  line-height: 1;
}
.brand-title em { font-style: normal; color: var(--gold); }
.brand-ver {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 400;
  color: var(--text-faint);
  border: 1px solid rgba(201, 164, 92, .24);
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 8px;
  vertical-align: 3px;
  letter-spacing: 0;
}
.brand-sub {
  font-size: 13px;
  letter-spacing: 1.5px;
  color: var(--gold);
  white-space: nowrap;
}
.brand-meta {
  font-size: 10.5px;
  letter-spacing: 1.2px;
  color: var(--text-faint);
  white-space: nowrap;
}

.tools {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tools-row {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex-wrap: wrap;
}
.tools-row-2 { gap: 18px; }

.pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 30px;
  padding: 0 14px;
  border-radius: 4px;
  border: 1px solid rgba(201, 164, 92, .28);
  background: linear-gradient(180deg, rgba(201, 164, 92, .10), rgba(201, 164, 92, .03));
  color: var(--gold-soft);
  font-size: 12.5px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: .18s;
  white-space: nowrap;
}
.pill-btn:hover { border-color: rgba(201, 164, 92, .55); background: rgba(201, 164, 92, .14); }
.pill-btn:active { transform: translateY(1px); }
.pill-btn svg { width: 12px; height: 12px; fill: currentColor; }
.play-btn { min-width: 88px; }
.play-btn .ico-pause { display: none; }
.app.is-playing .play-btn .ico-play { display: none; }
.app.is-playing .play-btn .ico-pause { display: block; }

.speed-wrap { position: relative; }
.speed-sel {
  height: 30px;
  padding: 0 26px 0 12px;
  border-radius: 4px;
  border: 1px solid rgba(201, 164, 92, .22);
  background: rgba(12, 17, 24, .85);
  color: var(--text-2);
  font-size: 12.5px;
  letter-spacing: .5px;
  cursor: pointer;
  appearance: none;
}
.speed-wrap::after {
  content: "▾";
  position: absolute;
  right: 9px;
  top: 6px;
  font-size: 10px;
  color: var(--gold-dim);
  pointer-events: none;
}
.speed-sel option { background: #10151d; color: var(--text); }

button:focus-visible,
select:focus-visible,
input:focus-visible,
[role="button"]:focus-visible {
  outline: 1px solid rgba(226, 201, 143, .8);
  outline-offset: 2px;
}

.tool-divider { width: 1px; height: 16px; background: rgba(201, 164, 92, .16); }

.check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-2);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
.check input {
  appearance: none;
  width: 13px;
  height: 13px;
  margin: 0;
  border: 1px solid rgba(201, 164, 92, .42);
  border-radius: 2px;
  background: rgba(0, 0, 0, .25);
  position: relative;
  cursor: pointer;
  transition: .16s;
  flex: 0 0 auto;
}
.check input:checked { background: var(--gold); border-color: var(--gold); }
.check input:checked::after {
  content: "";
  position: absolute;
  left: 3.5px;
  top: 0.5px;
  width: 4px;
  height: 8px;
  border: solid #0c1016;
  border-width: 0 2px 2px 0;
  transform: rotate(42deg);
}
.check:hover { color: var(--gold-soft); }

.tabs {
  display: inline-flex;
  padding: 2px;
  gap: 2px;
  border: 1px solid rgba(201, 164, 92, .18);
  border-radius: 4px;
  background: rgba(10, 14, 20, .72);
}
.tab {
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font-size: 12.5px;
  letter-spacing: 1.5px;
  padding: 5px 15px;
  border-radius: 3px;
  cursor: pointer;
  transition: .16s;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--gold-soft);
  background: rgba(201, 164, 92, .15);
  box-shadow: inset 0 0 0 1px rgba(201, 164, 92, .3);
}

.year-jumps { display: flex; gap: 2px; }
.year-jumps button {
  border: 0;
  background: transparent;
  color: var(--text-faint);
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: .5px;
  padding: 4px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: .16s;
}
.year-jumps button:hover { color: var(--gold-soft); background: rgba(201, 164, 92, .08); }
.year-jumps button.active { color: var(--gold); background: rgba(201, 164, 92, .12); }

.search-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(201, 164, 92, .16);
  background: rgba(10, 14, 20, .55);
  color: var(--text-dim);
  height: 28px;
  padding: 0 10px;
  border-radius: 4px;
  font-size: 11.5px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: .16s;
}
.search-btn:hover { color: var(--gold-soft); border-color: rgba(201, 164, 92, .4); }
.search-btn svg { width: 12px; height: 12px; stroke-width: 1.5; fill: none; }

.ghost-btn {
  flex: 0 0 auto;
  align-self: flex-start;
  margin-top: 10px;
  height: 28px;
  padding: 0 12px;
  border: 1px solid rgba(201, 164, 92, .2);
  border-radius: 3px;
  background: rgba(10, 14, 20, .55);
  color: var(--text-dim);
  font-size: 11.5px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: .16s;
}
.ghost-btn:hover { color: var(--gold-soft); border-color: rgba(201, 164, 92, .45); }

/* ============================ 主体栅格 ============================ */
.body {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: 552px minmax(0, 1fr) 396px;
  grid-template-rows: minmax(0, 1fr) 180px;
  grid-template-areas:
    "left stage right"
    "left timeline timeline";
  column-gap: 22px;
  row-gap: 8px;
  padding: 14px 0 8px;
}
.left-col { grid-area: left; min-height: 0; }
.stage { grid-area: stage; min-height: 0; }
.right-col { grid-area: right; min-height: 0; }
.timeline { grid-area: timeline; min-height: 0; }

/* ============================ 左栏考点卡 ============================ */
.panel {
  background: linear-gradient(180deg, rgba(16, 22, 31, .94), rgba(10, 14, 20, .94));
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 20px 46px rgba(0, 0, 0, .42), inset 0 1px 0 rgba(255, 255, 255, .035);
  backdrop-filter: blur(6px);
}
.left-panel {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-left: 4px solid #e2bd6b;
}
.left-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 10px;
  pointer-events: none;
  box-shadow: inset 0 0 70px rgba(0, 0, 0, .30);
}
.left-panel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 9%;
  right: 9%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(226, 201, 143, .7), transparent);
}
.corner {
  position: absolute;
  width: 13px;
  height: 13px;
  border: solid rgba(201, 164, 92, .52);
  pointer-events: none;
  z-index: 2;
}
.corner.tl { top: 7px; left: 7px; border-width: 1px 0 0 1px; }
.corner.tr { top: 7px; right: 7px; border-width: 1px 1px 0 0; }
.corner.bl { bottom: 7px; left: 7px; border-width: 0 0 1px 1px; }
.corner.br { bottom: 7px; right: 7px; border-width: 0 1px 1px 0; }

.left-scroll {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 26px 30px 18px;
  scrollbar-width: thin;
  scrollbar-color: rgba(201, 164, 92, .25) transparent;
}
.left-top { padding-bottom: 2px; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 10.5px;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.left-title-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 11px;
}
.left-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 29px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: .5px;
  color: #f1e9d9;
  text-shadow: 0 2px 20px rgba(201, 164, 92, .08);
}
.chapter-chip {
  flex: 0 0 auto;
  margin-top: 6px;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--gold);
  border: 1px solid rgba(201, 164, 92, .35);
  background: rgba(201, 164, 92, .07);
  padding: 2px 7px;
  border-radius: 3px;
  white-space: nowrap;
}
.left-meta {
  margin-top: 11px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-dim);
  letter-spacing: .4px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(201, 164, 92, .10);
}
.left-meta strong { color: var(--gold-dim); font-weight: 400; }
.left-content { padding-top: 4px; }

.sec { margin-top: 16px; }
.sec:first-child { margin-top: 4px; }
.sec-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 2.5px;
  color: var(--gold);
  margin-bottom: 7px;
  white-space: nowrap;
}
.sec-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(201, 164, 92, .26), transparent);
}
.sec p {
  margin: 0;
  font-family: var(--serif);
  font-size: 16.2px;
  line-height: 1.92;
  color: #cdc9c0;
  text-align: justify;
}
.sec .quote {
  position: relative;
  border-left: 2px solid rgba(201, 164, 92, .58);
  padding: 1px 0 1px 14px;
  font-family: var(--serif);
  font-size: 16.2px;
  line-height: 1.88;
  color: #ded9cf;
}
.sec .quote.red { border-left-color: rgba(192, 86, 63, .7); color: #d8c0b6; }
.bullets {
  list-style: none;
  margin: 0;
  padding: 0;
}
.bullets li {
  position: relative;
  padding-left: 17px;
  margin: 6px 0;
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.86;
  color: #cac6bd;
}
.bullets li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .78em;
  width: 4px;
  height: 4px;
  background: var(--gold);
  transform: rotate(45deg);
  opacity: .85;
}
.bullets.warn li::before { background: var(--red); }
.bullets li b, .sec p b { color: #e9dfca; font-weight: 600; }
.memory {
  margin-top: 9px;
  padding: 10px 14px;
  border: 1px solid rgba(201, 164, 92, .20);
  border-radius: 5px;
  background: linear-gradient(180deg, rgba(201, 164, 92, .075), rgba(201, 164, 92, .025));
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.85;
  color: var(--gold-soft);
}
.memory::before {
  content: "◆";
  font-size: 8px;
  margin-right: 8px;
  color: var(--gold);
  vertical-align: 2px;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag {
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--text-dim);
  border: 1px solid rgba(201, 164, 92, .16);
  padding: 2px 7px;
  border-radius: 2px;
}
.topic-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.topic-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 0 0 12px;
  padding: 3px 9px;
  border: 1px solid rgba(201, 164, 92, .2);
  border-radius: 3px;
  background: rgba(201, 164, 92, .04);
  color: var(--text-dim);
  font-size: 10.5px;
  letter-spacing: .5px;
  cursor: pointer;
}
.topic-back:hover { color: var(--gold-soft); border-color: rgba(201, 164, 92, .45); }
.topic-chip {
  border: 1px solid rgba(201, 164, 92, .16);
  background: rgba(201, 164, 92, .03);
  color: var(--text-dim);
  font-size: 10.5px;
  letter-spacing: .3px;
  padding: 3px 8px;
  border-radius: 2px;
  cursor: pointer;
  transition: .16s;
}
.topic-chip:hover { color: var(--gold-soft); border-color: rgba(201, 164, 92, .4); }
.topic-chip.active {
  color: var(--gold-soft);
  border-color: rgba(201, 164, 92, .48);
  background: rgba(201, 164, 92, .10);
}
.kv {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 4px 10px;
  margin-top: 6px;
  font-family: var(--serif);
  font-size: 13.5px;
  line-height: 1.85;
}
.kv dt { color: var(--gold-dim); }
.kv dd { margin: 0; color: #c9c1b2; }

.overview {
  margin-top: 4px;
}
.overview-quote {
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.95;
  color: #d3cbbb;
  border-left: 2px solid rgba(201, 164, 92, .4);
  padding-left: 14px;
  margin: 6px 0 16px;
}
.overview-events { display: flex; flex-direction: column; gap: 2px; }
.overview-event {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 3px;
  border: 0;
  background: transparent;
  text-align: left;
  color: var(--text-2);
  cursor: pointer;
  font-family: var(--serif);
  font-size: 13.5px;
  line-height: 1.6;
  transition: .15s;
}
.overview-event:hover { background: rgba(201, 164, 92, .07); color: var(--gold-soft); }
.overview-event .oy {
  font-family: var(--display);
  font-size: 11px;
  color: var(--gold-dim);
  min-width: 36px;
  letter-spacing: .5px;
}
.overview-event .oc { color: var(--text-faint); font-family: var(--sans); font-size: 10.5px; margin-left: auto; white-space: nowrap; }

.left-foot {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 20px;
  border-top: 1px solid rgba(201, 164, 92, .10);
  background: rgba(0, 0, 0, .16);
}
.nav-btn {
  border: 1px solid rgba(201, 164, 92, .18);
  background: rgba(201, 164, 92, .04);
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: .5px;
  padding: 4px 9px;
  border-radius: 3px;
  cursor: pointer;
  transition: .16s;
}
.nav-btn:hover { color: var(--gold-soft); border-color: rgba(201, 164, 92, .4); }
.nav-btn:disabled { opacity: .35; cursor: default; }
.counter {
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--text-faint);
}
.scroll-hint {
  position: absolute;
  right: 16px;
  bottom: 56px;
  z-index: 5;
  border: 1px solid rgba(201, 164, 92, .4);
  border-radius: 12px;
  background: rgba(14, 19, 27, .92);
  color: var(--gold-soft);
  font-size: 10px;
  letter-spacing: 1px;
  padding: 3px 10px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .4);
  backdrop-filter: blur(4px);
}
.scroll-hint:hover { border-color: rgba(226, 201, 143, .75); }

/* ============================ 舞台 / 地图 ============================ */
.stage {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.stage-head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 1px 4px 9px;
  font-size: 11.5px;
  letter-spacing: 1.5px;
  color: var(--text-dim);
}
.stage-title { color: var(--text-2); }
.stage-pill {
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .8px;
  color: var(--gold);
  border: 1px solid rgba(201, 164, 92, .26);
  background: rgba(201, 164, 92, .05);
  padding: 3px 9px;
  border-radius: 3px;
  white-space: nowrap;
}
.stage-pill.small { font-size: 10px; padding: 2px 7px; }

.map-area {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid rgba(201, 164, 92, .09);
  background:
    radial-gradient(ellipse 60% 55% at 50% 38%, rgba(30, 40, 56, .55), rgba(8, 11, 16, .92) 72%),
    #080b10;
}
.map-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(201, 164, 92, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 164, 92, .045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 70% 65% at 50% 45%, #000 10%, transparent 82%);
}
.app.no-map-bg .map-grid { display: none; }
.map-area::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 62% 58% at 50% 42%, transparent 48%, rgba(4, 6, 9, .55) 100%),
    linear-gradient(180deg, transparent 46%, rgba(7, 10, 15, .22) 70%, rgba(7, 10, 15, .60) 100%);
  border-radius: 10px;
}
#mapSvg {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
}
#mapSvg.dragging { cursor: grabbing; }

#mapRoot { transition: none; }
.province {
  stroke: rgba(228, 218, 192, .26);
  stroke-width: .9;
  stroke-linejoin: round;
  transition: fill .55s ease, opacity .35s ease, filter .25s ease;
  cursor: pointer;
}
.province:hover { stroke: rgba(244, 226, 184, .92); stroke-width: 1.15; }
.province.dim { opacity: .16; }
.province.glow { filter: drop-shadow(0 0 5px rgba(226, 201, 143, .55)); }
.micro-province {
  stroke: rgba(8, 10, 14, .9);
  stroke-width: .8;
  transition: fill .55s ease, opacity .3s;
  cursor: pointer;
}
.micro-province.dim { opacity: .18; }

#provinceLabels text {
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: 1px;
  fill: rgba(247, 235, 210, .52);
  paint-order: stroke;
  stroke: rgba(6, 9, 13, .9);
  stroke-width: 2.4px;
  pointer-events: none;
  text-anchor: middle;
  dominant-baseline: middle;
}

.pin { cursor: pointer; }
.pin .pin-core {
  fill: rgba(226, 201, 143, .88);
  stroke: rgba(12, 16, 22, .9);
  stroke-width: 1;
  transition: fill .2s, opacity .3s;
}
.pin .pin-halo {
  fill: none;
  stroke: rgba(226, 201, 143, .30);
  stroke-width: 1;
  opacity: 0;
  transition: .2s;
}
.pin:hover .pin-halo { opacity: 1; }
.pin.far { opacity: .18; pointer-events: none; }
.pin.active .pin-core { fill: #f4dda7; stroke: #fff3d5; }
.pin.active .pin-halo { opacity: 1; stroke: rgba(226, 201, 143, .7); }
.pin.future { opacity: .16; }
.pin.theory .pin-core { fill: #c9a45c; }
.pin-label {
  font-family: var(--sans);
  font-size: 9.5px;
  fill: rgba(233, 221, 197, .82);
  paint-order: stroke;
  stroke: rgba(5, 8, 12, .95);
  stroke-width: 2.6px;
  pointer-events: none;
}

.scs-inset {
  position: absolute;
  right: 14px;
  bottom: 13px;
  z-index: 4;
  width: 96px;
  height: 126px;
  padding: 6px 5px 3px;
  border: 1px solid rgba(201, 164, 92, .24);
  border-radius: 4px;
  background: rgba(7, 11, 17, .68);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.scs-inset::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(201, 164, 92, .07);
  border-radius: 2px;
  pointer-events: none;
}
#scsSvg { flex: 1 1 auto; width: 100%; min-height: 0; }
.scs-label {
  font-size: 8.5px;
  letter-spacing: 1px;
  color: var(--text-faint);
  text-align: center;
  white-space: nowrap;
}

.period-tip {
  position: absolute;
  left: 14px;
  bottom: 13px;
  z-index: 4;
  max-width: 320px;
  padding: 6px 10px;
  border-left: 1px solid rgba(201, 164, 92, .38);
  background: linear-gradient(90deg, rgba(8, 12, 18, .72), rgba(8, 12, 18, 0));
  font-size: 10.5px;
  line-height: 1.65;
  color: var(--text-dim);
  letter-spacing: .3px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: .3s;
}
.period-tip.show { opacity: 1; transform: none; }

.map-zoom {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.map-zoom button {
  width: 30px;
  height: 30px;
  border: 1px solid rgba(201, 164, 92, .22);
  background: rgba(10, 15, 22, .68);
  color: var(--text-dim);
  border-radius: 4px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: .16s;
  backdrop-filter: blur(4px);
}
.map-zoom button:hover { color: var(--gold-soft); border-color: rgba(201, 164, 92, .5); }
.map-zoom .zoom-reset { font-size: 9.5px; letter-spacing: .5px; }

.map-callout {
  position: absolute;
  z-index: 7;
  min-width: 168px;
  max-width: 248px;
  padding: 9px 13px 10px;
  border: 1px solid rgba(201, 164, 92, .42);
  border-radius: 5px;
  background: linear-gradient(180deg, rgba(26, 23, 20, .96), rgba(14, 15, 19, .97));
  box-shadow: 0 14px 34px rgba(0, 0, 0, .55), 0 0 22px rgba(201, 164, 92, .06);
  transform: translate(-50%, -100%);
  pointer-events: none;
  transition: opacity .2s, left .18s ease-out, top .18s ease-out;
}
.map-callout::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -5px;
  width: 8px;
  height: 8px;
  background: rgba(20, 19, 20, .97);
  border-right: 1px solid rgba(201, 164, 92, .42);
  border-bottom: 1px solid rgba(201, 164, 92, .42);
  transform: translateX(-50%) rotate(45deg);
}
.callout-eyebrow {
  font-size: 8.5px;
  letter-spacing: 2.5px;
  color: var(--gold);
  margin-bottom: 4px;
}
.callout-title {
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.35;
  color: #f0e7d5;
  font-weight: 700;
}
.callout-sub { margin-top: 3px; font-size: 10px; color: var(--text-dim); letter-spacing: .3px; }

.map-tip {
  position: absolute;
  z-index: 8;
  pointer-events: none;
  padding: 4px 8px;
  border: 1px solid rgba(201, 164, 92, .28);
  border-radius: 3px;
  background: rgba(8, 12, 18, .92);
  font-size: 10.5px;
  color: var(--text-2);
  letter-spacing: .5px;
  white-space: nowrap;
  transform: translate(-50%, -140%);
}

.leader-svg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
}

/* ============================ 理论图谱 ============================ */
.theory-area {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid rgba(201, 164, 92, .09);
  background:
    radial-gradient(ellipse 55% 65% at 52% 40%, rgba(34, 32, 48, .5), rgba(8, 10, 15, .94) 75%),
    #080b10;
}
.theory-area::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 164, 92, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 164, 92, .035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 80% 75% at 50% 45%, #000 20%, transparent 88%);
  pointer-events: none;
}
#theorySvg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.theory-mobile {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 12px 14px 18px;
  -webkit-overflow-scrolling: touch;
}
.theory-mobile .tm-lane {
  position: relative;
  margin: 0 0 12px;
  padding-left: 12px;
  border-left: 1px solid color-mix(in srgb, var(--tm-color) 42%, transparent);
}
.theory-mobile .tm-head {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin: 0 0 6px -12px;
  padding-left: 12px;
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 700;
  color: var(--tm-color);
  letter-spacing: .5px;
}
.theory-mobile .tm-head::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tm-color);
  box-shadow: 0 0 8px var(--tm-color);
  flex: 0 0 auto;
}
.theory-mobile .tm-head em {
  font-family: var(--sans);
  font-style: normal;
  font-size: 9px;
  font-weight: 400;
  color: var(--text-faint);
  letter-spacing: .4px;
}
.theory-mobile .tm-node {
  display: flex;
  align-items: baseline;
  gap: 8px;
  width: 100%;
  padding: 4px 6px;
  border: 0;
  border-radius: 3px;
  background: transparent;
  color: var(--text-2);
  text-align: left;
  cursor: pointer;
}
.theory-mobile .tm-node:hover { background: rgba(201, 164, 92, .07); color: var(--gold-soft); }
.theory-mobile .tm-node.active { background: rgba(201, 164, 92, .13); color: var(--gold-soft); }
.theory-mobile .tm-year {
  flex: 0 0 34px;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-faint);
}
.theory-mobile .tm-node.active .tm-year { color: var(--gold); }
.theory-mobile .tm-title {
  font-family: var(--serif);
  font-size: 12px;
  line-height: 1.5;
}
.theory-tip {
  position: absolute;
  z-index: 9;
  pointer-events: none;
  max-width: 260px;
  padding: 7px 10px;
  border: 1px solid rgba(201, 164, 92, .32);
  border-radius: 4px;
  background: rgba(10, 14, 20, .95);
  box-shadow: 0 12px 28px rgba(0, 0, 0, .5);
  font-size: 11px;
  line-height: 1.6;
  color: var(--text-2);
}
.theory-tip b { display: block; font-family: var(--serif); font-size: 13px; color: #eee4d0; margin-bottom: 2px; }
.theory-node { cursor: pointer; }
.theory-node circle, .theory-node rect, .theory-node path { transition: .18s; }
.theory-node:hover .tn-ring { opacity: 1; }
.theory-lane-label {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .6px;
  fill: rgba(214, 204, 186, .55);
}

/* ============================ 右栏 ============================ */
.right-col {
  display: flex;
  flex-direction: column;
  gap: 11px;
  overflow-y: auto;
  padding-right: 2px;
  scrollbar-width: none;
}
.right-col::-webkit-scrollbar { display: none; }
.right-head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 3px 1px;
  font-size: 10.5px;
  letter-spacing: 1.4px;
  color: var(--text-faint);
}
.event-card {
  position: relative;
  flex: 0 0 auto;
  padding: 17px 19px 15px;
  border: 1px solid rgba(122, 168, 214, .18);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(16, 23, 33, .95), rgba(11, 16, 24, .93));
  box-shadow: 0 16px 38px rgba(0, 0, 0, .34), inset 0 1px 0 rgba(255, 255, 255, .03);
}
.event-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, #7cc4ff, rgba(124, 196, 255, .04));
}
.event-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 9.5px;
  letter-spacing: 3px;
  color: var(--gold);
}
.event-eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(201, 164, 92, .28), transparent);
}
.event-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 11px;
  font-size: 11.5px;
  color: var(--text-dim);
  letter-spacing: .5px;
}
#eventDate { color: #8cc5fd; }
#eventDate + .chip { color: #7cc4ff; }
.chip {
  border: 1px solid rgba(201, 164, 92, .24);
  background: rgba(201, 164, 92, .06);
  color: var(--gold-dim);
  font-size: 9.5px;
  letter-spacing: 1px;
  padding: 2px 7px;
  border-radius: 2px;
  cursor: pointer;
  transition: .16s;
}
.chip:hover { color: var(--gold-soft); border-color: rgba(201, 164, 92, .45); }
#eventTitle {
  margin: 8px 0 7px;
  font-family: var(--serif);
  font-size: 25px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: .4px;
  color: #f0e8d8;
}
#eventSummary {
  margin: 0;
  font-family: var(--serif);
  font-size: 12.5px;
  line-height: 1.8;
  color: #b3ab9b;
  text-align: justify;
}
.event-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 11px;
  padding-top: 9px;
  border-top: 1px solid rgba(201, 164, 92, .08);
  font-size: 10px;
  color: var(--text-faint);
  letter-spacing: .4px;
}
.event-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: rgba(201, 164, 92, .4); }
.event-meta em { font-style: normal; color: var(--gold-dim); }

.legend-card { flex: 0 0 auto; padding: 13px 16px 14px; }
.legend-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 9.5px;
  letter-spacing: 1.2px;
  color: var(--text-faint);
}
.legend-main {
  margin-top: 7px;
  font-family: var(--serif);
  font-size: 16px;
  color: #e9e0cf;
  letter-spacing: .5px;
}
.legend-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 13px;
  margin-top: 10px;
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  color: var(--text-dim);
  cursor: pointer;
  padding: 1px 0;
  transition: .15s;
  border: 0;
  background: none;
}
.legend-item:hover, .legend-item.active { color: var(--gold-soft); }
.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  box-shadow: 0 0 7px currentColor;
  flex: 0 0 auto;
  opacity: .9;
}
.legend-item.active .legend-dot { outline: 1px solid rgba(255, 255, 255, .35); outline-offset: 1px; }

.relation-card { flex: 0 0 auto; padding: 12px 16px 12px; }
.relation-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 9.5px; letter-spacing: 1.2px; color: var(--text-faint); }
.relation-hint { font-size: 8.5px; letter-spacing: .3px; color: rgba(201, 164, 92, .55); white-space: nowrap; }
.related-current { margin-top: 10px; padding-top: 8px; border-top: 1px solid rgba(201, 164, 92, .10); }
.related-title { font-size: 9px; letter-spacing: 1.2px; color: var(--text-faint); margin-bottom: 4px; }
.rel-empty { font-size: 9.5px; color: var(--text-faint); line-height: 1.6; }
.related-item {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  padding: 3px 4px;
  border: 0;
  border-radius: 3px;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: .15s;
}
.related-item:hover { background: rgba(201, 164, 92, .07); }
.related-item .rel-line { flex: 0 0 24px; }
.rel-type { font-size: 9px; color: var(--text-faint); white-space: nowrap; }
.rel-target { font-family: var(--serif); font-size: 11px; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.related-item:hover .rel-target { color: var(--gold-soft); }
.relation-list {
  list-style: none;
  margin: 9px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.relation-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 10.5px;
  color: var(--text-dim);
  line-height: 1.4;
}
.rel-line { flex: 0 0 40px; height: 0; border-top: 1.5px dashed rgba(201, 164, 92, .62); }
.rel-line.cause { border-top-style: dashed; border-top-color: rgba(122, 158, 196, .7); }
.rel-line.turn { border-top-style: dashed; border-top-color: rgba(192, 124, 84, .8); }
.rel-line.block { border-top-style: dotted; border-top-width: 2px; border-top-color: rgba(176, 88, 70, .85); }
.rel-line.solid { border-top-style: solid; border-top-color: rgba(201, 164, 92, .55); }
.rel-text { color: var(--text-faint); }
.relation-list em { font-style: normal; color: var(--text-2); }

.right-foot {
  margin-top: auto;
  padding: 2px 3px 4px;
  font-size: 9.5px;
  letter-spacing: .5px;
  color: var(--text-faint);
  opacity: .75;
}

/* ============================ 时间轴 ============================ */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-top: 1px solid rgba(201, 164, 92, .13);
  padding-top: 3px;
}
.tl-head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 26px 1px;
  font-size: 10px;
  letter-spacing: 1.4px;
  color: var(--text-faint);
}
.tl-title { color: var(--text-2); letter-spacing: 2px; }
.tl-scroll {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  display: flex;
}
.tl-scroll .tl-canvas { flex: 1 1 auto; min-width: 0; height: 100%; }
.tl-canvas {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  cursor: crosshair;
}
.tl-bands {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 26px;
  right: 26px;
  pointer-events: none;
}
.tl-links {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  z-index: 1;
}
.tl-band {
  position: absolute;
  top: 0;
  bottom: 0;
  border-left: 1px solid rgba(201, 164, 92, .10);
  background: linear-gradient(180deg, rgba(201, 164, 92, .028), rgba(201, 164, 92, .006));
}
.tl-band:last-child { border-right: 1px solid rgba(201, 164, 92, .10); }
.tl-band-label {
  position: absolute;
  top: 0;
  left: 8px;
  font-size: 9.5px;
  letter-spacing: 1.2px;
  color: rgba(201, 164, 92, .48);
  white-space: nowrap;
  pointer-events: none;
}
.tl-labels {
  position: absolute;
  top: 18px;
  left: 26px;
  right: 26px;
  height: 72px;
  pointer-events: none;
  z-index: 3;
}
.tl-label {
  position: absolute;
  transform: translateX(-50%);
  font-family: var(--sans);
  font-size: 10.5px;
  line-height: 1.3;
  color: var(--text-dim);
  white-space: nowrap;
  padding: 1px 4px;
  border-radius: 2px;
  cursor: pointer;
  pointer-events: auto;
  transition: color .15s, background .15s;
}
.tl-label::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 1px;
  height: 7px;
  background: rgba(201, 164, 92, .16);
}
.tl-label:hover { color: var(--gold-soft); background: rgba(201, 164, 92, .07); }
.tl-label.active { color: var(--gold-soft); background: rgba(201, 164, 92, .10); }
.tl-label.active::after { background: rgba(201, 164, 92, .55); }
.tl-label.theory { color: rgba(214, 170, 118, .82); }

.tl-rail {
  position: absolute;
  left: 26px;
  right: 26px;
  top: 90px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(201, 164, 92, .10), rgba(201, 164, 92, .42) 12%, rgba(201, 164, 92, .42) 88%, rgba(201, 164, 92, .10));
  box-shadow: 0 0 12px rgba(201, 164, 92, .10);
}
.tl-dots {
  position: absolute;
  left: 26px;
  right: 26px;
  top: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 2;
}
.tl-dot {
  position: absolute;
  top: 88.5px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #332d22;
  border: 1px solid rgba(201, 164, 92, .38);
  transform: translateX(-50%);
  cursor: pointer;
  pointer-events: auto;
  transition: background .2s, box-shadow .2s, width .15s, height .15s;
}
.tl-dot.past { background: rgba(201, 164, 92, .50); }
.tl-dot.theory {
  border-radius: 1px;
  transform: translateX(-50%) rotate(45deg);
  border-color: rgba(214, 170, 118, .5);
}
.tl-dot.theory.past { background: rgba(214, 170, 118, .55); }
.tl-dot:hover { background: var(--gold); }
.tl-dot.active {
  width: 8px;
  height: 8px;
  top: 87.5px;
  background: var(--gold-soft);
  border-color: #fff1cf;
  box-shadow: 0 0 0 4px rgba(201, 164, 92, .12), 0 0 12px rgba(201, 164, 92, .55);
  z-index: 3;
}
.tl-dot.active.theory { transform: translateX(-50%) rotate(45deg); }

.tl-ruler {
  position: absolute;
  left: 26px;
  right: 26px;
  top: 96px;
  height: 40px;
  pointer-events: none;
  z-index: 2;
}
.tl-tick {
  position: absolute;
  top: 0;
  width: 1px;
  height: 5px;
  background: rgba(201, 164, 92, .14);
}
.tl-tick.major { height: 8px; background: rgba(201, 164, 92, .30); }
.tl-tick-label {
  position: absolute;
  top: 12px;
  transform: translateX(-50%);
  font-family: var(--display);
  font-size: 10px;
  letter-spacing: .4px;
  color: rgba(201, 164, 92, .40);
  white-space: nowrap;
}
.tl-tick-label.major { color: rgba(201, 164, 92, .58); }

.tl-playhead {
  position: absolute;
  top: 10px;
  bottom: 0;
  left: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(226, 201, 143, .95), rgba(201, 164, 92, .10));
  box-shadow: 0 0 12px rgba(201, 164, 92, .30);
  pointer-events: none;
  z-index: 4;
  will-change: left;
}
.tl-playhead-year {
  display: none;
  position: absolute;
  top: 54px;
  left: 50%;
  transform: translateX(-50%);
  padding: 1px 6px;
  border: 1px solid rgba(201, 164, 92, .42);
  border-radius: 2px;
  background: rgba(12, 16, 22, .92);
  font-family: var(--display);
  font-size: 9.5px;
  letter-spacing: .5px;
  color: var(--gold-soft);
  white-space: nowrap;
}
.tl-playhead-diamond {
  position: absolute;
  top: 76px;
  left: 50%;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: radial-gradient(circle, #e08b5f 0 3.6px, #fff 3.6px 6.4px, rgba(255, 255, 255, 0) 6.6px);
  border: 1px solid rgba(255, 255, 255, .82);
  transform: translate(-50%, 0);
  box-shadow: 0 0 14px rgba(226, 201, 143, .7), 0 0 0 3px rgba(201, 164, 92, .08);
}
.tl-foot {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 26px 4px;
  font-size: 9.5px;
  color: var(--text-faint);
  letter-spacing: .3px;
  white-space: nowrap;
  overflow: hidden;
}
.tl-hint { display: none; }

.tl-chooser {
  position: fixed;
  z-index: 90;
  width: 270px;
  padding: 6px;
  border: 1px solid rgba(201, 164, 92, .38);
  border-radius: 6px;
  background: rgba(12, 17, 24, .98);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .6), 0 0 30px rgba(201, 164, 92, .06);
  backdrop-filter: blur(8px);
}
.tl-chooser .tc-title {
  padding: 4px 8px 7px;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--text-faint);
  border-bottom: 1px solid rgba(201, 164, 92, .10);
  margin-bottom: 3px;
}
.tl-chooser button {
  display: block;
  width: 100%;
  border: 0;
  border-radius: 3px;
  background: transparent;
  color: var(--text-2);
  text-align: left;
  padding: 6px 8px;
  cursor: pointer;
  font-size: 11px;
  line-height: 1.35;
}
.tl-chooser button:hover,
.tl-chooser button:focus-visible { background: rgba(201, 164, 92, .10); color: var(--gold-soft); }
.tl-chooser button em {
  display: block;
  font-style: normal;
  font-size: 9px;
  color: var(--text-faint);
  margin-top: 2px;
}

@keyframes playheadPulse {
  0% { box-shadow: 0 0 0 0 rgba(201, 164, 92, .45), 0 0 12px rgba(201, 164, 92, .30); }
  100% { box-shadow: 0 0 0 14px rgba(201, 164, 92, 0), 0 0 12px rgba(201, 164, 92, .30); }
}
.tl-playhead.pulse { animation: playheadPulse .8s ease-out; }

/* ============================ 页脚 ============================ */
.statusbar {
  flex: 0 0 27px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid rgba(201, 164, 92, .07);
  font-size: 9.5px;
  letter-spacing: .4px;
  color: var(--text-faint);
  white-space: nowrap;
  overflow: hidden;
}
.status-mid { color: rgba(139, 131, 117, .7); overflow: hidden; text-overflow: ellipsis; }

/* ============================ 搜索 ============================ */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(2, 4, 7, .62);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  animation: fadeIn .16s ease-out;
}
.search-overlay[hidden] { display: none; }
.search-box {
  width: min(680px, 88vw);
  border: 1px solid rgba(201, 164, 92, .3);
  border-radius: 8px;
  background: rgba(12, 17, 24, .98);
  box-shadow: 0 30px 90px rgba(0, 0, 0, .65), 0 0 60px rgba(201, 164, 92, .05);
  overflow: hidden;
}
.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-bottom: 1px solid rgba(201, 164, 92, .13);
}
.search-input-wrap svg { width: 15px; height: 15px; stroke-width: 1.5; fill: none; color: var(--gold-dim); }
#searchInput {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 15px;
  letter-spacing: .3px;
}
#searchInput::placeholder { color: var(--text-faint); }
.search-input-wrap kbd {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-faint);
  border: 1px solid rgba(201, 164, 92, .2);
  padding: 1px 5px;
  border-radius: 2px;
}
.search-results { max-height: 48vh; overflow-y: auto; padding: 6px; }
.search-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 8px 12px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--text-2);
  text-align: left;
  cursor: pointer;
  transition: .12s;
}
.search-item:hover, .search-item.active { background: rgba(201, 164, 92, .10); color: var(--gold-soft); }
.search-item .si-year { font-family: var(--display); font-size: 11px; color: var(--gold-dim); min-width: 36px; }
.search-item .si-title { font-family: var(--serif); font-size: 13.5px; }
.search-item .si-chapter { margin-left: auto; font-size: 9.5px; color: var(--text-faint); white-space: nowrap; }
.search-empty { padding: 26px 16px; text-align: center; font-size: 12px; color: var(--text-faint); }
.search-foot {
  padding: 7px 14px;
  border-top: 1px solid rgba(201, 164, 92, .10);
  font-size: 9.5px;
  color: var(--text-faint);
  letter-spacing: .5px;
}

/* ============================ 其他 ============================ */
.toast {
  position: fixed;
  left: 50%;
  bottom: 44px;
  transform: translateX(-50%) translateY(8px);
  z-index: 60;
  padding: 7px 14px;
  border: 1px solid rgba(201, 164, 92, .3);
  border-radius: 4px;
  background: rgba(12, 17, 24, .96);
  color: var(--text-2);
  font-size: 11.5px;
  letter-spacing: .5px;
  opacity: 0;
  pointer-events: none;
  transition: .2s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.app.sidebar-hidden .body {
  grid-template-columns: 0 minmax(0, 1fr) 396px;
  grid-template-areas:
    "left stage right"
    "left timeline timeline";
}
.app.sidebar-hidden .left-col { overflow: hidden; opacity: 0; pointer-events: none; }
.app.sidebar-hidden #sidebarBtn { color: var(--gold-dim); }

.app.tab-mao .map-area,
.app.tab-mao .scs-inset,
.app.tab-mao .map-zoom,
.app.tab-mao .period-tip { display: none; }
.app.tab-mao #mapArea { display: none; }
.app.tab-mao .theory-area { display: block; }
.app:not(.tab-mao) .theory-area { display: none; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* ============================ 响应式 ============================ */
@media (max-width: 1680px) {
  .app { padding: 0 14px; }
  .body { grid-template-columns: 510px minmax(0, 1fr) 370px; column-gap: 18px; }
  .brand-year { font-size: 60px; min-width: 136px; }
  .left-scroll { padding: 24px 26px 16px; }
  .left-title { font-size: 28px; }
  .tools-row { gap: 11px; }
  .tools-row-2 { gap: 12px; }
}
@media (max-width: 1500px) {
  .body { grid-template-columns: 470px minmax(0, 1fr) 348px; column-gap: 16px; }
  .brand-year { font-size: 54px; min-width: 122px; }
  .brand-title { font-size: 18px; }
  .check { font-size: 11.5px; }
  .year-jumps button { padding: 3px 6px; }
  .tab { padding: 4px 11px; }
  .right-col { gap: 9px; }
  .event-card { padding: 14px 16px 13px; }
  #eventTitle { font-size: 21px; }
}
@media (max-width: 1320px) {
  .body { grid-template-columns: 430px minmax(0, 1fr) 330px; }
  .brand-meta { display: none; }
  .tools-row .check:nth-of-type(n+4) { display: none; }
  .timeline { }
  .left-scroll { padding: 20px 22px 14px; }
  .left-title { font-size: 26px; }
}
@media (max-height: 850px) {
  .topbar { flex-basis: 94px; }
  .body { grid-template-rows: minmax(0, 1fr) 172px; }
  .brand-year { font-size: 56px; }
  .left-scroll { padding-top: 20px; }
  .sec { margin-top: 14px; }
  .sec p, .sec .quote { font-size: 13.5px; }
  .bullets li { font-size: 13px; }
}

/* ============================ 平板 / 手机 ============================ */
@media (max-width: 1199px) {
  .app { height: 100dvh; padding: 0 14px; }
  .topbar {
    flex: 0 0 auto;
    flex-wrap: wrap;
    gap: 8px 12px;
    padding: 8px 0;
  }
  .brand { align-items: center; gap: 12px; }
  .brand-year { font-size: 46px; min-width: 90px; }
  .brand-title { font-size: 17px; }
  .brand-sub { font-size: 11px; }
  .brand-meta, #sidebarBtn { display: none; }
  .tools { flex: 1 1 0; gap: 7px; }
  .tools-row { gap: 8px; flex-wrap: nowrap; }
  .tools-row-2 { gap: 8px; }
  .check, .tool-divider, .year-jumps { display: none; }
  .search-btn { width: 30px; padding: 0; justify-content: center; }
  .search-btn span { display: none; }
  .body {
    flex: 1 1 auto;
    min-height: 0;
    grid-template-columns: minmax(280px, 40%) minmax(0, 1fr);
    grid-template-rows: minmax(0, 1.2fr) minmax(0, 1fr) 156px;
    grid-template-areas:
      "left stage"
      "left right"
      "timeline timeline";
    column-gap: 14px;
    row-gap: 9px;
    padding: 10px 0 6px;
  }
  .left-panel { height: 100%; }
  .left-scroll { padding: 20px 22px 14px; }
  .left-title-row { flex-wrap: wrap; gap: 6px; }
  .left-title { flex: 1 1 100%; font-size: 25px; }
  .chapter-chip { margin-top: 0; }
  .right-col { overflow-y: auto; gap: 8px; padding-right: 0; scrollbar-width: thin; }
  .right-col::-webkit-scrollbar { display: block; width: 4px; }
  .right-col::-webkit-scrollbar-thumb { background: rgba(201, 164, 92, .30); }
  .right-head { display: none; }
  .event-card { padding: 11px 13px; }
  #eventTitle { font-size: 19px; margin: 6px 0 5px; }
  #eventSummary { font-size: 11px; line-height: 1.65; }
  .event-meta { margin-top: 8px; padding-top: 7px; }
  .legend-card { padding: 9px 12px; }
  .relation-card { padding: 10px 13px; }
  .right-foot { display: none; }
  .statusbar { display: none; }
  #leaderSvg { display: none; }
  .stage-head { padding: 0 2px 6px; font-size: 10px; }
  .stage-pill { font-size: 9.5px; padding: 2px 7px; }
  .scs-inset { width: 74px; height: 96px; right: 8px; bottom: 8px; }
  .map-callout { max-width: 220px; }
  .tl-head { padding: 0 18px 1px; }
  .tl-foot { padding: 2px 18px 4px; }
  .theory-area { overflow: hidden; }
  #theorySvg { display: none; }
  .theory-mobile { display: block; }
  .pin .pin-core { r: 10px; }
  .pin .pin-halo { r: 24px; }
  .pin.active .pin-core { r: 12px; }
  .app.tab-mao .stage-title::after {
    content: " · 节点列表";
    font-size: 9px;
    letter-spacing: .5px;
    color: var(--text-faint);
  }
}

@media (max-width: 719px), (max-width: 900px) and (max-height: 500px) {
  html, body { height: auto; min-height: 100%; overflow-x: hidden; }
  body { overflow-y: auto; -webkit-overflow-scrolling: touch; }
  .app { height: auto; min-height: 100dvh; padding: 0 12px; }
  .topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    flex: 0 0 auto;
    gap: 6px;
    margin: 0 -12px;
    padding: 8px 12px 7px;
    width: calc(100% + 24px);
    background: rgba(7, 10, 15, .94);
    border-bottom: 1px solid rgba(201, 164, 92, .14);
    backdrop-filter: blur(14px);
  }
  .brand { flex: 1 1 100%; align-items: center; gap: 10px; }
  .brand-year { font-size: 42px; min-width: 72px; letter-spacing: 1px; line-height: 1; padding-top: 2px; }
  .brand-title { font-size: 15.5px; }
  .brand-ver { display: none; }
  .brand-sub { font-size: 10.5px; letter-spacing: .8px; white-space: normal; }
  .brand-meta, #sidebarBtn { display: none; }
  .tools { flex: 1 1 100%; gap: 6px; }
  .tools-row { gap: 7px; flex-wrap: wrap; }
  .tools-row-2 { gap: 7px; align-items: center; }
  .pill-btn { height: 28px; padding: 0 10px; font-size: 11.5px; }
  .play-btn { min-width: 72px; }
  .speed-sel { height: 28px; }
  .tabs { flex: 1 1 auto; }
  .tab { padding: 4px 10px; font-size: 11.5px; }
  .search-btn { width: 30px; padding: 0; justify-content: center; }
  .search-btn span { display: none; }
  .check, .tool-divider, .year-jumps, .ghost-btn, .statusbar { display: none; }
  .body {
    display: flex;
    flex-direction: column;
    flex: 1 0 auto;
    min-height: 0;
    gap: 10px;
    padding: 10px 0 14px;
  }
  .stage {
    order: 1;
    flex: 0 0 auto;
    height: clamp(230px, 44vh, 360px);
  }
  .stage-head { padding: 0 2px 6px; font-size: 10px; letter-spacing: 1px; }
  .stage-pill { font-size: 9px; padding: 2px 6px; }
  .right-col { order: 2; overflow: visible; gap: 8px; padding-right: 0; scrollbar-width: none; }
  .right-col::-webkit-scrollbar { display: none; }
  .right-head { display: none; }
  .event-card { padding: 14px 16px 12px; }
  #eventTitle { font-size: 21px; margin: 6px 0 5px; }
  #eventSummary { font-size: 12px; line-height: 1.7; }
  .event-meta { font-size: 9.5px; }
  .legend-card, .relation-card { padding: 10px 14px; }
  .right-foot { display: none; }
  .left-col { order: 3; }
  .left-panel { height: auto; overflow: visible; border-left-width: 3px; }
  .left-scroll { overflow: visible; padding: 18px 18px 14px; }
  .left-title { font-size: 23px; }
  .scroll-hint { display: none !important; }
  .timeline {
    order: 4;
    flex: 0 0 auto;
    height: 168px;
    padding-top: 3px;
  }
  .tl-scroll {
    display: block;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  .tl-scroll::-webkit-scrollbar { height: 4px; }
  .tl-scroll .tl-canvas {
    width: 900px;
    min-width: 900px;
    height: 100%;
    touch-action: pan-x;
  }
  .tl-head { padding: 0 12px 1px; font-size: 9px; }
  .tl-note { max-width: 62%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .tl-band-label { display: none; }
  .tl-labels { top: 13px; height: 68px; }
  .tl-label { font-size: 9.5px; padding: 1px 3px; }
  .tl-dot { width: 7px; height: 7px; top: 88px; }
  .tl-dot.active { width: 9px; height: 9px; top: 87px; }
  .tl-ruler { top: 96px; }
  .tl-foot { padding: 2px 12px 4px; font-size: 8.5px; }
  .map-zoom button { width: 34px; height: 34px; }
  .scs-inset { width: 64px; height: 84px; right: 8px; bottom: 8px; }
  .scs-label { font-size: 7.5px; }
  .period-tip { left: 8px; bottom: 8px; max-width: 58%; font-size: 9px; padding: 5px 8px; }
  .map-callout { max-width: 200px; padding: 7px 10px 8px; }
  .callout-title { font-size: 13.5px; }
  .search-overlay { padding: 12vh 12px 0; }
  .search-box { width: 100%; }
  .tl-chooser { width: min(270px, calc(100vw - 16px)); }
  .tl-chooser button { padding: 8px; font-size: 11.5px; }
}

@media (min-width: 900px) and (max-width: 1199px) {
  .right-col {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-auto-rows: min-content;
    align-content: start;
  }
  .right-head { display: none; }
  .event-card { grid-column: 1; }
  .legend-card { grid-column: 2; }
  .relation-card { grid-column: 1 / -1; }
}