:root{
  --bg:#070a0f;
  --panel:rgba(12,17,24,.82);
  --panel-2:rgba(17,23,31,.96);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.17);
  --txt:#e8eef5;
  --txt-2:#98a5b6;
  --txt-3:#5c6675;
  --acc:#22d3ee;
  --acc-2:#0ea5b7;
  --acc-glow:rgba(34,211,238,.18);
  --ref:#a78bfa;
  --r:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg);color:var(--txt);overflow:hidden;
  font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
  user-select:none;-webkit-user-select:none;
}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input{font:inherit}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.26)}
#app{display:flex;flex-direction:column;height:100vh;height:100dvh}

/* ================= 顶栏 ================= */
.topbar{
  flex:0 0 auto;display:flex;align-items:center;gap:14px;
  padding:0 14px;height:58px;position:relative;z-index:30;
  background:linear-gradient(180deg,rgba(11,16,23,.97),rgba(11,16,23,.78));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand .mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--acc),#2563eb 88%);
  box-shadow:0 3px 14px rgba(34,211,238,.28),inset 0 1px 0 rgba(255,255,255,.32);
}
.brand .mark svg{width:18px;height:18px;display:block}
.brand h1{font-size:15px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.brand p{font-size:11px;color:var(--txt-3);white-space:nowrap;margin-top:1px}
.spacer{flex:1 1 auto;min-width:4px}

.search{position:relative;flex:0 1 300px;min-width:140px}
.search .ico{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:14px;height:14px;color:var(--txt-3);pointer-events:none}
.search input{
  width:100%;height:34px;padding:0 30px 0 31px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:8px;
  color:var(--txt);font-size:13px;outline:none;
  transition:border-color .15s,background .15s,box-shadow .15s;
}
.search input::placeholder{color:var(--txt-3)}
.search input:focus{background:rgba(255,255,255,.08);border-color:rgba(34,211,238,.5);box-shadow:0 0 0 3px var(--acc-glow)}
.search .clr{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;border-radius:50%;display:none;place-items:center;
  color:var(--txt-3);font-size:15px;line-height:1;
}
.search.has .clr{display:grid}
.search .clr:hover{background:rgba(255,255,255,.1);color:var(--txt)}
.suggest{
  position:absolute;top:calc(100% + 6px);left:0;right:0;
  background:var(--panel-2);border:1px solid var(--line-2);border-radius:var(--r);
  box-shadow:0 16px 40px rgba(0,0,0,.68);overflow:auto;max-height:330px;display:none;
}
.suggest.on{display:block}
.suggest .grp{padding:8px 12px 4px;font-size:10.5px;letter-spacing:.1em;color:var(--txt-3)}
.suggest button{display:flex;align-items:center;gap:9px;width:100%;padding:7px 12px;text-align:left;font-size:13px}
.suggest button:hover,.suggest button.act{background:rgba(34,211,238,.13)}
.suggest button .nm{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.suggest button .co{font-size:11px;color:var(--txt-3);font-variant-numeric:tabular-nums}
.suggest .empty{padding:14px 12px;font-size:12.5px;color:var(--txt-3)}

.tbtn{
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
  height:34px;padding:0 11px;border-radius:8px;
  border:1px solid var(--line);background:rgba(255,255,255,.045);
  font-size:12.5px;color:var(--txt-2);white-space:nowrap;transition:all .15s;
}
.tbtn:hover{background:rgba(255,255,255,.09);color:var(--txt);border-color:var(--line-2)}
.tbtn.on{background:var(--acc-glow);border-color:rgba(34,211,238,.55);color:#7fe6f5}
.tbtn svg{width:14px;height:14px;flex:0 0 auto}
.tbtn .dot{width:6px;height:6px;border-radius:50%;background:var(--txt-3)}
.tbtn.on .dot{background:var(--acc);box-shadow:0 0 6px var(--acc)}

.modes{display:flex;gap:2px;padding:3px;border-radius:9px;background:rgba(255,255,255,.05);border:1px solid var(--line);flex:0 0 auto}
.modes button{padding:0 12px;height:28px;border-radius:6px;font-size:12.5px;color:var(--txt-2);white-space:nowrap;transition:all .15s}
.modes button:hover{color:var(--txt)}
.modes button.on{
  background:linear-gradient(180deg,rgba(34,211,238,.24),rgba(34,211,238,.11));
  color:#9deefb;box-shadow:inset 0 0 0 1px rgba(34,211,238,.4);
}

/* 观察点弹层 */
.pop-wrap{position:relative;flex:0 0 auto}
.preset-pop{
  position:absolute;top:calc(100% + 8px);right:0;
  width:min(346px,calc(100vw - 26px));
  max-height:min(62vh,470px);overflow:auto;
  background:var(--panel-2);border:1px solid var(--line-2);border-radius:12px;
  box-shadow:0 20px 54px rgba(0,0,0,.72);
  padding:11px;display:none;
}
.preset-pop.on{display:block}
.preset-pop .gl{font-size:10px;letter-spacing:.1em;color:var(--txt-3);padding:8px 2px 6px}
.preset-pop .gl:first-child{padding-top:0}
.chips{display:flex;flex-wrap:wrap;gap:5px}
.chip{
  padding:4px 9px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  font-size:11.5px;color:var(--txt-2);white-space:nowrap;transition:all .13s;
}
.chip:hover{background:rgba(34,211,238,.14);border-color:rgba(34,211,238,.45);color:#9deefb}

/* ================= 地图舞台 ================= */
.stage{position:relative;flex:1 1 auto;min-height:0;overflow:hidden;background:#05070a}
.map{position:absolute;inset:0;background:#05070a}
#mapTop{clip-path:inset(0 0 0 100%);pointer-events:none}
.stage.swiping #mapTop{pointer-events:auto}
.map .maplibregl-canvas{outline:none}

.swipe{
  position:absolute;top:0;bottom:0;left:50%;width:2px;
  background:rgba(255,255,255,.92);
  box-shadow:0 0 0 1px rgba(0,0,0,.55),0 0 18px rgba(0,0,0,.7);
  transform:translateX(-1px);cursor:ew-resize;z-index:12;display:none;
}
.swipe.on{display:block}
.swipe .knob{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:38px;height:38px;border-radius:50%;
  background:rgba(11,16,23,.93);border:2px solid rgba(255,255,255,.92);
  display:grid;place-items:center;
  box-shadow:0 4px 18px rgba(0,0,0,.78);transition:transform .12s,background .12s;
}
.swipe:hover .knob{transform:translate(-50%,-50%) scale(1.09)}
.swipe.drag .knob{background:rgba(34,211,238,.96);border-color:#fff}
.swipe .knob svg{width:19px;height:19px;color:#fff;pointer-events:none}

/* 期别标签（跟随卷帘分区居中） */
.era{
  position:absolute;top:13px;z-index:11;pointer-events:none;
  display:none;align-items:center;gap:6px;
  padding:5px 11px;border-radius:8px;
  background:rgba(9,13,19,.82);border:1px solid var(--line-2);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  font-size:12px;white-space:nowrap;transform:translateX(-50%);
  box-shadow:0 4px 16px rgba(0,0,0,.55);
  transition:left .07s linear,opacity .18s;
}
.era.on{display:flex}
.era .k{font-size:10.5px;color:var(--txt-3)}
.era .v{font-weight:600;font-variant-numeric:tabular-nums}
#eraRef .v{color:#cbb8fd}
#eraCur .v{color:#7fe6f5}

.hud{
  position:absolute;z-index:11;pointer-events:none;
  padding:5px 9px;border-radius:7px;
  background:rgba(9,13,19,.74);border:1px solid var(--line);
  font-size:11px;color:var(--txt-2);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;white-space:nowrap;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
#hudPos{right:12px;top:13px}
#hudAttr{right:12px;bottom:12px;color:var(--txt-3);font-size:10.5px}

.loadbar{position:absolute;top:0;left:0;right:0;height:2px;z-index:40;opacity:0;transition:opacity .25s;pointer-events:none}
.loadbar.on{opacity:1}
.loadbar i{
  display:block;height:100%;width:36%;
  background:linear-gradient(90deg,transparent,var(--acc),transparent);
  animation:sweep 1.05s linear infinite;
}
@keyframes sweep{0%{transform:translateX(-100%)}100%{transform:translateX(380%)}}

.toast{
  position:absolute;left:50%;bottom:22px;transform:translate(-50%,14px);
  z-index:50;pointer-events:none;opacity:0;
  padding:9px 15px;border-radius:9px;
  background:rgba(11,16,23,.96);border:1px solid var(--line-2);
  font-size:12.5px;color:var(--txt);white-space:nowrap;
  box-shadow:0 12px 34px rgba(0,0,0,.7);
  transition:opacity .22s,transform .22s;
}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ================= 时间轴 ================= */
.timeline{
  flex:0 0 auto;position:relative;z-index:30;padding:11px 14px 12px;
  background:linear-gradient(0deg,rgba(8,12,18,.99),rgba(11,16,23,.92));
  border-top:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.tl-row{display:flex;align-items:center;gap:13px;min-height:34px}
.tl-row + .tl-row{margin-top:7px}
.tl-row.hide{display:none}
.tl-tag{flex:0 0 auto;width:54px;font-size:11px;color:var(--txt-3);display:flex;align-items:center;gap:5px}
.tl-tag i{width:6px;height:6px;border-radius:50%;flex:0 0 auto}
.tag-cur i{background:var(--acc);box-shadow:0 0 7px var(--acc)}
.tag-ref i{background:var(--ref);box-shadow:0 0 7px var(--ref)}
.tl-date{flex:0 0 auto;width:104px;font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}
.tl-date.cur{color:#7fe6f5}
.tl-date.ref{color:#cbb8fd}

.slider{flex:1 1 auto;position:relative;min-width:0;padding:8px 0 19px}
.slider input[type=range]{
  -webkit-appearance:none;appearance:none;
  width:100%;height:20px;background:transparent;display:block;
  cursor:pointer;outline:none;position:relative;z-index:2;
}
.slider input[type=range]::-webkit-slider-runnable-track{
  height:4px;border-radius:2px;
  background:linear-gradient(90deg,var(--acc) var(--pct,100%),rgba(255,255,255,.12) var(--pct,100%));
}
.slider input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:#fff;border:none;margin-top:-5px;
  box-shadow:0 0 0 3px rgba(34,211,238,.28),0 2px 7px rgba(0,0,0,.75);
  transition:box-shadow .15s;
}
.slider input[type=range]:hover::-webkit-slider-thumb{box-shadow:0 0 0 6px rgba(34,211,238,.24),0 2px 9px rgba(0,0,0,.8)}
.slider input[type=range]::-moz-range-track{height:4px;border-radius:2px;background:rgba(255,255,255,.12)}
.slider input[type=range]::-moz-range-progress{height:4px;border-radius:2px;background:var(--acc)}
.slider input[type=range]::-moz-range-thumb{
  width:14px;height:14px;border-radius:50%;background:#fff;border:none;
  box-shadow:0 0 0 3px rgba(34,211,238,.28),0 2px 7px rgba(0,0,0,.75);
}
.slider.ref input[type=range]::-webkit-slider-runnable-track{
  background:linear-gradient(90deg,var(--ref) var(--pct,100%),rgba(255,255,255,.12) var(--pct,100%));
}
.slider.ref input[type=range]::-webkit-slider-thumb{box-shadow:0 0 0 3px rgba(167,139,250,.3),0 2px 7px rgba(0,0,0,.75)}
.slider.ref input[type=range]::-moz-range-progress{background:var(--ref)}

.ticks{position:absolute;left:0;right:0;bottom:0;height:16px;pointer-events:none}
.ticks i{position:absolute;bottom:11px;width:1px;height:4px;background:rgba(255,255,255,.2)}
.ticks i.maj{height:7px;background:rgba(255,255,255,.34)}
.ticks span{position:absolute;bottom:0;transform:translateX(-50%);font-size:9.5px;color:var(--txt-3);font-variant-numeric:tabular-nums;white-space:nowrap}
.ticks span.maj{color:var(--txt-2)}

.tl-nav{flex:0 0 auto;display:flex;gap:4px;align-items:center}
.tl-nav button{
  width:30px;height:30px;border-radius:7px;display:grid;place-items:center;
  border:1px solid var(--line);background:rgba(255,255,255,.045);
  color:var(--txt-2);transition:all .13s;
}
.tl-nav button:hover{background:rgba(255,255,255,.1);color:var(--txt)}
.tl-nav button:active{transform:scale(.93)}
.tl-nav button svg{width:14px;height:14px}
.tl-meta{flex:0 0 auto;font-size:11px;color:var(--txt-3);font-variant-numeric:tabular-nums;min-width:84px;text-align:right;white-space:nowrap}
.tl-meta b{color:var(--txt-2);font-weight:600}

/* ================= 对话框 ================= */
.mask{position:fixed;inset:0;z-index:90;display:none;place-items:center;background:rgba(3,5,8,.72);backdrop-filter:blur(5px)}
.mask.on{display:grid}
.dlg{width:min(432px,calc(100vw - 36px));background:var(--panel-2);border:1px solid var(--line-2);border-radius:14px;box-shadow:0 26px 70px rgba(0,0,0,.82);overflow:hidden}
.dlg h2{font-size:14.5px;font-weight:600;padding:16px 18px 0}
.dlg .bd{padding:11px 18px 4px;font-size:12.8px;color:var(--txt-2);line-height:1.72}
.dlg .bd b{color:var(--txt)}
.dlg .bd code{background:rgba(255,255,255,.07);padding:1px 5px;border-radius:4px;font-size:11.8px;color:#7fe6f5}
.dlg input[type=text]{
  width:100%;margin-top:9px;height:36px;padding:0 11px;
  background:rgba(0,0,0,.36);border:1px solid var(--line-2);border-radius:8px;
  color:var(--txt);font-size:12.5px;outline:none;
}
.dlg input[type=text]:focus{border-color:rgba(34,211,238,.55);box-shadow:0 0 0 3px var(--acc-glow)}
.dlg .ft{display:flex;gap:9px;justify-content:flex-end;padding:15px 18px}
.dlg .ft button{height:34px;padding:0 16px;border-radius:8px;font-size:12.8px;border:1px solid var(--line);color:var(--txt-2);transition:all .14s}
.dlg .ft button:hover{background:rgba(255,255,255,.08);color:var(--txt)}
.dlg .ft button.pri{background:linear-gradient(180deg,var(--acc),var(--acc-2));color:#04191d;font-weight:600;border-color:transparent}
.dlg .ft button.pri:hover{filter:brightness(1.1)}

.boot{position:fixed;inset:0;z-index:99;display:grid;place-items:center;background:var(--bg);transition:opacity .5s}
.boot.gone{opacity:0;pointer-events:none}
.boot .in{display:flex;flex-direction:column;align-items:center;gap:15px}
.boot .mark{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--acc),#2563eb 88%);
  box-shadow:0 5px 24px rgba(34,211,238,.3);animation:pulse 1.7s ease-in-out infinite;
}
.boot .mark svg{width:25px;height:25px}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.07)}}
.boot p{font-size:12.5px;color:var(--txt-3);letter-spacing:.05em}

/* ================= 站内导航（跳出 iframe） ================= */
.site-nav{
  position:absolute;left:12px;bottom:12px;z-index:11;
  display:flex;gap:3px;padding:4px;border-radius:9px;
  background:rgba(9,13,19,.78);border:1px solid var(--line-2);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 6px 20px rgba(0,0,0,.55);
}
.site-nav a{
  padding:4px 10px;border-radius:6px;
  font-size:12px;color:var(--txt-2);text-decoration:none;
  white-space:nowrap;transition:all .14s;
}
.site-nav a:hover{background:rgba(34,211,238,.15);color:#9deefb}

/* ================= 响应式 ================= */
@media (max-width:1180px){ .brand p{display:none} }
@media (max-width:980px){
  .topbar{height:auto;flex-wrap:wrap;padding:9px 12px;gap:9px}
  .brand{flex:1 1 auto}
  .search{flex:1 1 100%;order:5;max-width:none}
  .spacer{display:none}
  .tl-tag{width:auto}
  .tl-date{width:86px;font-size:14px}
  .tl-meta{display:none}
  #hudAttr{display:none}
}
@media (max-width:560px){
  .modes button{padding:0 9px;font-size:12px}
  .tbtn{padding:0 9px}
  .site-nav{left:8px;bottom:8px}
  .site-nav a{padding:3px 8px;font-size:11.5px}
}