/* ============================================================
 * 堪舆 KanYu · 样式系统
 * 主题：宣纸 · 玄墨 · 朱砂（浅色主站）
 *       + 「舆图」深色大屏主题（.theme-dark）
 * ============================================================ */

/* ---------- 令牌 ---------- */
:root {
  --paper:      #f5f1e8;
  --paper-2:    #fdfbf6;
  --paper-3:    #efe9dc;
  --ink:        #1e1b17;
  --ink-2:      #4b453c;
  --ink-3:      #877e70;
  --line:       #e2dacb;
  --line-2:     #d3c8b4;

  --vermilion:  #b03f2a;
  --vermilion-l:#cf6449;
  --vermilion-bg:#f8ece7;
  --jade:       #2f6b5b;
  --jade-bg:    #e8f1ee;
  --gold:       #a37b2c;
  --gold-bg:    #f8f1df;
  --indigo:     #2f5a70;
  --indigo-bg:  #e9f0f4;
  --plum:       #7a3350;

  --ok:         #2f6b5b;
  --warn:       #a37b2c;
  --bad:        #b03f2a;

  --r-sm: 6px;
  --r:    10px;
  --r-lg: 16px;

  --sh-1: 0 1px 2px rgba(30,27,23,.05), 0 1px 3px rgba(30,27,23,.04);
  --sh-2: 0 2px 6px rgba(30,27,23,.07), 0 6px 18px rgba(30,27,23,.05);
  --sh-3: 0 8px 30px rgba(30,27,23,.10), 0 2px 8px rgba(30,27,23,.05);

  --serif: "Songti SC","STSong","SimSun","Noto Serif SC",Georgia,serif;
  --sans: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono: ui-monospace,"SF Mono",Menlo,Consolas,"Courier New",monospace;

  --nav-h: 58px;
  --maxw: 1240px;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
/* 宣纸底纹 */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 15%, rgba(163,123,44,.045), transparent 45%),
    radial-gradient(circle at 82% 78%, rgba(47,107,91,.04), transparent 42%);
}
img { max-width: 100%; }
a { color: var(--vermilion); text-decoration: none; }
a:hover { text-decoration: underline; }
h1,h2,h3,h4 { font-family: var(--serif); font-weight: 600; line-height: 1.35; margin: 0 0 .5em; color: var(--ink); letter-spacing: .02em; }
h1 { font-size: 2.1rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }
p { margin: 0 0 1em; }

/* ---------- 导航 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 900;
  height: var(--nav-h);
  background: rgba(250,247,241,.88);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-in {
  max-width: var(--maxw); margin: 0 auto; padding: 0 20px;
  height: 100%; display: flex; align-items: center; gap: 18px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(140deg, var(--vermilion), #8d2f1d);
  color: #fdf6ef; display: grid; place-items: center;
  font-family: var(--serif); font-size: 19px; font-weight: 700;
  box-shadow: 0 2px 8px rgba(176,63,42,.3);
  letter-spacing: 0;
}
.brand-txt { display: flex; flex-direction: column; line-height: 1.15; }
.brand-cn { font-family: var(--serif); font-size: 18px; font-weight: 700; color: var(--ink); letter-spacing: .08em; }
.brand-en { font-size: 9.5px; color: var(--ink-3); letter-spacing: .22em; text-transform: uppercase; }

.nav-links { display: flex; gap: 2px; margin-left: auto; align-items: center; }
.nav-links a {
  padding: 7px 13px; border-radius: var(--r-sm); font-size: 14px;
  color: var(--ink-2); white-space: nowrap; transition: background .18s, color .18s;
}
.nav-links a:hover { background: var(--paper-3); color: var(--ink); text-decoration: none; }
.nav-links a.on { background: var(--vermilion-bg); color: var(--vermilion); font-weight: 600; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line-2);
  border-radius: var(--r-sm); width: 36px; height: 32px; cursor: pointer; color: var(--ink-2); }

/* ---------- 布局 ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.section { padding: 44px 0; }
.section-alt { background: rgba(239,233,220,.5); border-block: 1px solid var(--line); }
.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2,1fr); }
.g3 { grid-template-columns: repeat(3,1fr); }
.g4 { grid-template-columns: repeat(4,1fr); }
.row { display: flex; gap: 14px; align-items: center; }
.row-wrap { flex-wrap: wrap; }
.spread { justify-content: space-between; }
.mt0{margin-top:0}.mt1{margin-top:8px}.mt2{margin-top:16px}.mt3{margin-top:26px}
.mb0{margin-bottom:0}.mb1{margin-bottom:8px}.mb2{margin-bottom:16px}
.grow{flex:1}

/* ---------- 卡片 ---------- */
.card {
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: var(--r); padding: 20px;
  box-shadow: var(--sh-1);
}
.card-hover { transition: transform .2s, box-shadow .2s, border-color .2s; }
.card-hover:hover { transform: translateY(-3px); box-shadow: var(--sh-2); border-color: var(--line-2); }
.card-hd {
  display: flex; align-items: center; gap: 9px; margin: -4px 0 14px;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.card-hd h3, .card-hd h4 { margin: 0; font-size: 1.02rem; }
.card-hd .ico { width: 26px; height: 26px; flex-shrink: 0; color: var(--vermilion); }
.card-note { font-size: 12.5px; color: var(--ink-3); line-height: 1.6; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 17px; border-radius: var(--r-sm); border: 1px solid var(--line-2);
  background: var(--paper-2); color: var(--ink); font-size: 14px; font-family: inherit;
  cursor: pointer; transition: all .18s; white-space: nowrap; line-height: 1.4;
}
.btn:hover { border-color: var(--ink-3); background: var(--paper-3); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-p { background: var(--vermilion); border-color: var(--vermilion); color: #fdf6ef; font-weight: 500; }
.btn-p:hover { background: var(--vermilion-l); border-color: var(--vermilion-l); color: #fff; }
.btn-j { background: var(--jade); border-color: var(--jade); color: #f2f8f6; font-weight: 500; }
.btn-j:hover { background: #3a7d6a; color: #fff; }
.btn-sm { padding: 5px 11px; font-size: 13px; }
.btn-lg { padding: 12px 26px; font-size: 15px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn svg { width: 15px; height: 15px; }

/* ---------- 标签 / 徽标 ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px;
  border-radius: 20px; font-size: 12px; line-height: 1.7;
  background: var(--paper-3); color: var(--ink-2); border: 1px solid var(--line);
  white-space: nowrap;
}
.tag-v { background: var(--vermilion-bg); color: var(--vermilion); border-color: #eccec4; }
.tag-j { background: var(--jade-bg); color: var(--jade); border-color: #cbdfd8; }
.tag-g { background: var(--gold-bg); color: var(--gold); border-color: #e6d7ae; }
.tag-i { background: var(--indigo-bg); color: var(--indigo); border-color: #cddde6; }

.pill { display: inline-block; padding: 3px 12px; border-radius: 20px; font-size: 12.5px; font-weight: 600; }
.aus-a { background: #1d6b52; color: #f0f9f5; }
.aus-b { background: var(--jade); color: #f0f9f5; }
.aus-c { background: var(--gold); color: #fffaf0; }
.aus-d { background: #c07a2a; color: #fffaf0; }
.aus-e { background: var(--vermilion); color: #fdf3ef; }

/* ---------- 表单 ---------- */
label.f { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 5px; font-weight: 500; }
input[type=text], input[type=number], select, textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line-2);
  border-radius: var(--r-sm); background: var(--paper-2); color: var(--ink);
  font-size: 14px; font-family: inherit; transition: border-color .18s, box-shadow .18s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--vermilion-l);
  box-shadow: 0 0 0 3px rgba(176,63,42,.10);
}
input[type=range] { width: 100%; accent-color: var(--vermilion); }
.fset { display: grid; gap: 12px; }
.f-inline { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.f-inline > div { flex: 1; min-width: 130px; }

/* ---------- 表格 ---------- */
.tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.tbl th, table.tbl td {
  padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line);
}
table.tbl th {
  background: var(--paper-3); font-weight: 600; color: var(--ink-2);
  font-size: 12.5px; letter-spacing: .04em; white-space: nowrap;
  position: sticky; top: 0;
}
table.tbl tbody tr:hover { background: rgba(176,63,42,.035); }
table.tbl td.num { font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: 12.5px; }
table.tbl tr:last-child td { border-bottom: none; }

/* ---------- 分数 / 进度 ---------- */
.score-ring { display: grid; place-items: center; position: relative; }
.score-ring svg { display: block; }
.score-ring .val {
  position: absolute; font-family: var(--serif); font-size: 30px; font-weight: 700;
  line-height: 1; letter-spacing: -.01em;
}
.score-ring .lbl { position: absolute; bottom: 22%; font-size: 11px; color: var(--ink-3); letter-spacing: .1em; }

.bar { height: 7px; background: var(--paper-3); border-radius: 4px; overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 4px; transition: width .7s cubic-bezier(.22,1,.36,1); }
.metric { display: grid; grid-template-columns: 1fr; gap: 5px; margin-bottom: 13px; }
.metric-top { display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; }
.metric-top b { font-variant-numeric: tabular-nums; font-size: 13.5px; }

/* ---------- KPI ---------- */
.kpi {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r);
  padding: 15px 17px; box-shadow: var(--sh-1);
}
.kpi .k { font-size: 11.5px; color: var(--ink-3); letter-spacing: .09em; }
.kpi .v { font-family: var(--serif); font-size: 27px; font-weight: 700; line-height: 1.2; font-variant-numeric: tabular-nums; }
.kpi .s { font-size: 11.5px; color: var(--ink-3); }
.kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
@media (max-width: 620px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
/* 形胜解读块 */
.adv {
  border-radius: var(--r-sm); padding: 12px 15px; font-size: 13.5px; line-height: 1.85;
  border-left: 3px solid var(--jade); background: var(--jade-bg); color: var(--ink-2);
}
.adv.good { border-left-color: var(--jade); background: var(--jade-bg); }
.adv.warn { border-left-color: var(--gold); background: var(--gold-bg); }
.adv.bad  { border-left-color: var(--vermilion); background: var(--vermilion-bg); }
.adv b { color: var(--ink); }

/* ---------- 提示框 ---------- */
.note {
  border-left: 3px solid var(--gold); background: var(--gold-bg);
  padding: 12px 15px; border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 13.5px; line-height: 1.7; color: var(--ink-2);
}
.note-v { border-color: var(--vermilion); background: var(--vermilion-bg); }
.note-j { border-color: var(--jade); background: var(--jade-bg); }
.note-i { border-color: var(--indigo); background: var(--indigo-bg); }
.note b { color: var(--ink); }

.empty { text-align: center; padding: 46px 20px; color: var(--ink-3); }
.empty svg { width: 44px; height: 44px; opacity: .4; margin-bottom: 10px; }

.spin {
  width: 20px; height: 20px; border: 2px solid var(--line-2);
  border-top-color: var(--vermilion); border-radius: 50%;
  animation: sp .8s linear infinite; display: inline-block; vertical-align: middle;
}
@keyframes sp { to { transform: rotate(360deg); } }
.loading { display: grid; place-items: center; gap: 10px; padding: 40px; color: var(--ink-3); font-size: 13.5px; }

/* ---------- 地图 ---------- */
.map { width: 100%; height: 100%; min-height: 320px; background: #e8e2d6; }
.leaflet-container { font-family: var(--sans); background: #e8e2d6; }
.leaflet-popup-content-wrapper {
  border-radius: var(--r); box-shadow: var(--sh-2); font-size: 13.5px;
  border: 1px solid var(--line);
}
.leaflet-popup-content { margin: 12px 14px; line-height: 1.7; }
.leaflet-popup-tip { border: 1px solid var(--line); }
.map-pin {
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--vermilion); border: 2.5px solid #fdfbf6;
  box-shadow: 0 1px 5px rgba(0,0,0,.32);
}
.map-pin-cap {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--gold); border: 2px solid #fdfbf6;
  box-shadow: 0 1px 4px rgba(0,0,0,.28);
}
/* 历代都城标注 */
.map-cap-lab {
  display: inline-flex; align-items: center; gap: 3px; white-space: nowrap;
  font-size: 11px; font-weight: 600; color: #7a5a17;
  text-shadow: 0 0 2px #fdfbf6, 0 0 3px #fdfbf6, 0 0 5px #fdfbf6;
  pointer-events: none;
}
.map-cap-lab i {
  width: 9px; height: 9px; border-radius: 50%; background: var(--gold);
  border: 2px solid #fdfbf6; box-shadow: 0 1px 4px rgba(0,0,0,.3);
  flex: 0 0 auto; pointer-events: auto;
}
/* 现代地名标注（清代府治 ≈ 今城市位置） */
.map-city {
  display: inline-flex; align-items: center; gap: 3px; white-space: nowrap;
  font-size: 11px; color: var(--ink-2);
  text-shadow: 0 0 2px #fdfbf6, 0 0 3px #fdfbf6, 0 0 5px #fdfbf6;
  pointer-events: none;
}
.map-city i {
  width: 6px; height: 6px; border-radius: 50%; background: #3a6ea5;
  border: 1.5px solid #fdfbf6; box-shadow: 0 1px 3px rgba(0,0,0,.3);
  flex: 0 0 auto; pointer-events: auto;
}
.map-city.prov { font-size: 12.5px; font-weight: 700; color: #244c73; }
.map-city.prov i { width: 9px; height: 9px; background: #24527d; }
/* 采样阵高程标注 */
.samp-tip.leaflet-tooltip {
  background: rgba(253,251,246,.92); border: 1px solid var(--line-2);
  color: #4a4034; font-size: 9px; font-family: var(--mono); font-weight: 600;
  padding: 0 3px; border-radius: 3px; box-shadow: 0 1px 2px rgba(0,0,0,.18);
}
.samp-tip.leaflet-tooltip::before { display: none; }
.map-badge-src {
  position: absolute; left: 8px; bottom: 8px; z-index: 500;
  background: rgba(253,251,246,.93); border: 1px solid var(--line);
  padding: 3px 9px; border-radius: var(--r-sm); font-size: 11px; color: var(--ink-3);
}
.map-key-panel {
  position: absolute; right: 10px; top: 54px; z-index: 600; width: 268px;
  background: var(--paper-2); border: 1px solid var(--line-2); border-radius: var(--r);
  box-shadow: var(--sh-2); padding: 12px 14px;
}

/* ---------- 罗盘 ---------- */
.luopan-wrap { display: grid; place-items: center; padding: 8px; }
.luopan { max-width: 100%; height: auto; touch-action: none; cursor: grab; user-select: none; }
.luopan:active { cursor: grabbing; }

/* ---------- 九宫格 ---------- */
.palace-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.palace {
  aspect-ratio: 1 / .92; border: 1px solid var(--line-2); border-radius: var(--r-sm);
  background: var(--paper-2); padding: 8px 6px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2px; position: relative;
  font-size: 12px; line-height: 1.35; text-align: center;
}
.palace .pg { position: absolute; top: 4px; left: 6px; font-size: 10.5px; color: var(--ink-3); font-family: var(--serif); }
.palace .prow { display: flex; gap: 5px; align-items: baseline; font-family: var(--mono); font-size: 11px; }
.palace .pnum { font-size: 19px; font-weight: 700; font-family: var(--serif); }
.palace.p-wang { background: linear-gradient(160deg,#f6e9e3,#fdf6ef); border-color: var(--vermilion-l); }
.palace.p-sha  { background: linear-gradient(160deg,#f0e3e0,#fbf1ee); border-color: #ddb6a9; }
.palace.p-center { background: var(--paper-3); }
.palace .pcombo { font-size: 10px; color: var(--ink-3); }

/* ---------- 折叠 ---------- */
details.acc { border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--paper-2); margin-bottom: 9px; }
details.acc > summary {
  padding: 11px 15px; cursor: pointer; font-weight: 600; font-size: 14px;
  list-style: none; display: flex; align-items: center; gap: 9px;
}
details.acc > summary::-webkit-details-marker { display: none; }
details.acc > summary::after { content: "＋"; margin-left: auto; color: var(--ink-3); font-weight: 400; }
details.acc[open] > summary::after { content: "－"; }
details.acc > div { padding: 0 15px 14px; font-size: 13.8px; color: var(--ink-2); line-height: 1.8; }

/* ---------- 页脚 ---------- */
.foot {
  border-top: 1px solid var(--line); background: rgba(239,233,220,.55);
  padding: 30px 0 24px; margin-top: 50px; font-size: 13px; color: var(--ink-3);
}
.foot a { color: var(--ink-2); }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 26px; }
.foot h5 { font-family: var(--serif); font-size: 14px; color: var(--ink); margin: 0 0 9px; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin-bottom: 5px; }

/* ---------- Toast ---------- */
.toast-host { position: fixed; top: 68px; left: 50%; transform: translateX(-50%); z-index: 3000; display: grid; gap: 8px; width: max-content; max-width: 92vw; }
.toast {
  background: var(--ink); color: #f7f2e9; padding: 10px 18px; border-radius: var(--r-sm);
  font-size: 13.5px; box-shadow: var(--sh-3); animation: tIn .28s cubic-bezier(.2,1,.3,1);
}
.toast.ok { background: var(--jade); }
.toast.err { background: var(--vermilion); }
@keyframes tIn { from { opacity: 0; transform: translateY(-12px); } }

/* ---------- 移动端底部导航 ---------- */
.tabbar {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 950;
  background: rgba(250,247,241,.96); backdrop-filter: blur(12px);
  border-top: 1px solid var(--line); padding: 5px 4px calc(5px + env(safe-area-inset-bottom));
}
.tabbar-in { display: flex; justify-content: space-around; }
.tabbar a {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 5px 2px; font-size: 10.5px; color: var(--ink-3); text-decoration: none;
}
.tabbar a.on { color: var(--vermilion); }
.tabbar a svg { width: 21px; height: 21px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .g4 { grid-template-columns: repeat(2,1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.28rem; }
  .g3 { grid-template-columns: 1fr; }
  .nav-links {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: var(--paper-2); border-bottom: 1px solid var(--line);
    flex-direction: column; gap: 0; padding: 8px; box-shadow: var(--sh-2);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 11px 14px; font-size: 15px; border-radius: var(--r-sm); }
  .nav-toggle { display: block; }
  .tabbar { display: block; }
  body { padding-bottom: 62px; }
  .section { padding: 30px 0; }
  .palace-grid { gap: 6px; }
  .palace { font-size: 11px; padding: 5px 3px; }
  .palace .pnum { font-size: 16px; }
}
@media (max-width: 620px) {
  .g2, .g4 { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .card { padding: 15px; }
  .kpi .v { font-size: 23px; }
}

/* ============================================================
 * 大屏深色主题
 * ============================================================ */
.theme-dark {
  --paper:      #0d1512;
  --paper-2:    #131d19;
  --paper-3:    #1a2621;
  --ink:        #e8f0ea;
  --ink-2:      #a9bdb2;
  --ink-3:      #6d8578;
  --line:       #23332c;
  --line-2:     #2e443a;
  --vermilion:  #e0654a;
  --vermilion-l:#f08368;
  --vermilion-bg:#241a17;
  --jade:       #47b394;
  --jade-bg:    #12261f;
  --gold:       #d9ab52;
  --gold-bg:    #241f12;
  --indigo:     #62a8c8;
  --indigo-bg:  #12222b;
}
.theme-dark body, .theme-dark .topbar { background: #0d1512; }
.theme-dark .topbar { background: rgba(13,21,18,.9); }
.theme-dark body::before {
  background-image:
    radial-gradient(circle at 18% 12%, rgba(217,171,82,.075), transparent 45%),
    radial-gradient(circle at 84% 82%, rgba(71,179,148,.075), transparent 44%);
}
.theme-dark .card, .theme-dark .kpi, .theme-dark details.acc { background: var(--paper-2); box-shadow: none; }
.theme-dark input, .theme-dark select, .theme-dark textarea { background: var(--paper-3); }
.theme-dark table.tbl th { background: var(--paper-3); }
.theme-dark .leaflet-container { background: #0a1210; }
.theme-dark .map-badge-src { background: rgba(19,29,25,.94); }
.theme-dark .palace { background: var(--paper-2); }
.theme-dark .palace.p-center { background: var(--paper-3); }
.theme-dark .note { color: var(--ink-2); }
.theme-dark ::selection { background: rgba(224,101,74,.35); }

/* 打印 */
@media print {
  .topbar, .tabbar, .btn, .foot { display: none !important; }
  body { background: #fff; }
  .card { break-inside: avoid; border-color: #ccc; }
}