/* required styles */

.leaflet-pane,
.leaflet-tile,
.leaflet-marker-icon,
.leaflet-marker-shadow,
.leaflet-tile-container,
.leaflet-pane > svg,
.leaflet-pane > canvas,
.leaflet-zoom-box,
.leaflet-image-layer,
.leaflet-layer {
	position: absolute;
	left: 0;
	top: 0;
	}
.leaflet-container {
	overflow: hidden;
	}
.leaflet-tile,
.leaflet-marker-icon,
.leaflet-marker-shadow {
	-webkit-user-select: none;
	   -moz-user-select: none;
	        user-select: none;
	  -webkit-user-drag: none;
	}
/* Prevents IE11 from highlighting tiles in blue */
.leaflet-tile::selection {
	background: transparent;
}
/* Safari renders non-retina tile on retina better with this, but Chrome is worse */
.leaflet-safari .leaflet-tile {
	image-rendering: -webkit-optimize-contrast;
	}
/* hack that prevents hw layers "stretching" when loading new tiles */
.leaflet-safari .leaflet-tile-container {
	width: 1600px;
	height: 1600px;
	-webkit-transform-origin: 0 0;
	}
.leaflet-marker-icon,
.leaflet-marker-shadow {
	display: block;
	}
/* .leaflet-container svg: reset svg max-width decleration shipped in Joomla! (joomla.org) 3.x */
/* .leaflet-container img: map is broken in FF if you have max-width: 100% on tiles */
.leaflet-container .leaflet-overlay-pane svg {
	max-width: none !important;
	max-height: none !important;
	}
.leaflet-container .leaflet-marker-pane img,
.leaflet-container .leaflet-shadow-pane img,
.leaflet-container .leaflet-tile-pane img,
.leaflet-container img.leaflet-image-layer,
.leaflet-container .leaflet-tile {
	max-width: none !important;
	max-height: none !important;
	width: auto;
	padding: 0;
	}

.leaflet-container img.leaflet-tile {
	/* See: https://bugs.chromium.org/p/chromium/issues/detail?id=600120 */
	mix-blend-mode: plus-lighter;
}

.leaflet-container.leaflet-touch-zoom {
	-ms-touch-action: pan-x pan-y;
	touch-action: pan-x pan-y;
	}
.leaflet-container.leaflet-touch-drag {
	-ms-touch-action: pinch-zoom;
	/* Fallback for FF which doesn't support pinch-zoom */
	touch-action: none;
	touch-action: pinch-zoom;
}
.leaflet-container.leaflet-touch-drag.leaflet-touch-zoom {
	-ms-touch-action: none;
	touch-action: none;
}
.leaflet-container {
	-webkit-tap-highlight-color: transparent;
}
.leaflet-container a {
	-webkit-tap-highlight-color: rgba(51, 181, 229, 0.4);
}
.leaflet-tile {
	filter: inherit;
	visibility: hidden;
	}
.leaflet-tile-loaded {
	visibility: inherit;
	}
.leaflet-zoom-box {
	width: 0;
	height: 0;
	-moz-box-sizing: border-box;
	     box-sizing: border-box;
	z-index: 800;
	}
/* workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=888319 */
.leaflet-overlay-pane svg {
	-moz-user-select: none;
	}

.leaflet-pane         { z-index: 400; }

.leaflet-tile-pane    { z-index: 200; }
.leaflet-overlay-pane { z-index: 400; }
.leaflet-shadow-pane  { z-index: 500; }
.leaflet-marker-pane  { z-index: 600; }
.leaflet-tooltip-pane   { z-index: 650; }
.leaflet-popup-pane   { z-index: 700; }

.leaflet-map-pane canvas { z-index: 100; }
.leaflet-map-pane svg    { z-index: 200; }

.leaflet-vml-shape {
	width: 1px;
	height: 1px;
	}
.lvml {
	behavior: url(#default#VML);
	display: inline-block;
	position: absolute;
	}


/* control positioning */

.leaflet-control {
	position: relative;
	z-index: 800;
	pointer-events: visiblePainted; /* IE 9-10 doesn't have auto */
	pointer-events: auto;
	}
.leaflet-top,
.leaflet-bottom {
	position: absolute;
	z-index: 1000;
	pointer-events: none;
	}
.leaflet-top {
	top: 0;
	}
.leaflet-right {
	right: 0;
	}
.leaflet-bottom {
	bottom: 0;
	}
.leaflet-left {
	left: 0;
	}
.leaflet-control {
	float: left;
	clear: both;
	}
.leaflet-right .leaflet-control {
	float: right;
	}
.leaflet-top .leaflet-control {
	margin-top: 10px;
	}
.leaflet-bottom .leaflet-control {
	margin-bottom: 10px;
	}
.leaflet-left .leaflet-control {
	margin-left: 10px;
	}
.leaflet-right .leaflet-control {
	margin-right: 10px;
	}


/* zoom and fade animations */

.leaflet-fade-anim .leaflet-popup {
	opacity: 0;
	-webkit-transition: opacity 0.2s linear;
	   -moz-transition: opacity 0.2s linear;
	        transition: opacity 0.2s linear;
	}
.leaflet-fade-anim .leaflet-map-pane .leaflet-popup {
	opacity: 1;
	}
.leaflet-zoom-animated {
	-webkit-transform-origin: 0 0;
	    -ms-transform-origin: 0 0;
	        transform-origin: 0 0;
	}
svg.leaflet-zoom-animated {
	will-change: transform;
}

.leaflet-zoom-anim .leaflet-zoom-animated {
	-webkit-transition: -webkit-transform 0.25s cubic-bezier(0,0,0.25,1);
	   -moz-transition:    -moz-transform 0.25s cubic-bezier(0,0,0.25,1);
	        transition:         transform 0.25s cubic-bezier(0,0,0.25,1);
	}
.leaflet-zoom-anim .leaflet-tile,
.leaflet-pan-anim .leaflet-tile {
	-webkit-transition: none;
	   -moz-transition: none;
	        transition: none;
	}

.leaflet-zoom-anim .leaflet-zoom-hide {
	visibility: hidden;
	}


/* cursors */

.leaflet-interactive {
	cursor: pointer;
	}
.leaflet-grab {
	cursor: -webkit-grab;
	cursor:    -moz-grab;
	cursor:         grab;
	}
.leaflet-crosshair,
.leaflet-crosshair .leaflet-interactive {
	cursor: crosshair;
	}
.leaflet-popup-pane,
.leaflet-control {
	cursor: auto;
	}
.leaflet-dragging .leaflet-grab,
.leaflet-dragging .leaflet-grab .leaflet-interactive,
.leaflet-dragging .leaflet-marker-draggable {
	cursor: move;
	cursor: -webkit-grabbing;
	cursor:    -moz-grabbing;
	cursor:         grabbing;
	}

/* marker & overlays interactivity */
.leaflet-marker-icon,
.leaflet-marker-shadow,
.leaflet-image-layer,
.leaflet-pane > svg path,
.leaflet-tile-container {
	pointer-events: none;
	}

.leaflet-marker-icon.leaflet-interactive,
.leaflet-image-layer.leaflet-interactive,
.leaflet-pane > svg path.leaflet-interactive,
svg.leaflet-image-layer.leaflet-interactive path {
	pointer-events: visiblePainted; /* IE 9-10 doesn't have auto */
	pointer-events: auto;
	}

/* visual tweaks */

.leaflet-container {
	background: #ddd;
	outline-offset: 1px;
	}
.leaflet-container a {
	color: #0078A8;
	}
.leaflet-zoom-box {
	border: 2px dotted #38f;
	background: rgba(255,255,255,0.5);
	}


/* general typography */
.leaflet-container {
	font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-size: 0.75rem;
	line-height: 1.5;
	}


/* general toolbar styles */

.leaflet-bar {
	box-shadow: 0 1px 5px rgba(0,0,0,0.65);
	border-radius: 4px;
	}
.leaflet-bar a {
	background-color: #fff;
	border-bottom: 1px solid #ccc;
	width: 26px;
	height: 26px;
	line-height: 26px;
	display: block;
	text-align: center;
	text-decoration: none;
	color: black;
	}
.leaflet-bar a,
.leaflet-control-layers-toggle {
	background-position: 50% 50%;
	background-repeat: no-repeat;
	display: block;
	}
.leaflet-bar a:hover,
.leaflet-bar a:focus {
	background-color: #f4f4f4;
	}
.leaflet-bar a:first-child {
	border-top-left-radius: 4px;
	border-top-right-radius: 4px;
	}
.leaflet-bar a:last-child {
	border-bottom-left-radius: 4px;
	border-bottom-right-radius: 4px;
	border-bottom: none;
	}
.leaflet-bar a.leaflet-disabled {
	cursor: default;
	background-color: #f4f4f4;
	color: #bbb;
	}

.leaflet-touch .leaflet-bar a {
	width: 30px;
	height: 30px;
	line-height: 30px;
	}
.leaflet-touch .leaflet-bar a:first-child {
	border-top-left-radius: 2px;
	border-top-right-radius: 2px;
	}
.leaflet-touch .leaflet-bar a:last-child {
	border-bottom-left-radius: 2px;
	border-bottom-right-radius: 2px;
	}

/* zoom control */

.leaflet-control-zoom-in,
.leaflet-control-zoom-out {
	font: bold 18px 'Lucida Console', Monaco, monospace;
	text-indent: 1px;
	}

.leaflet-touch .leaflet-control-zoom-in, .leaflet-touch .leaflet-control-zoom-out  {
	font-size: 22px;
	}


/* layers control */

.leaflet-control-layers {
	box-shadow: 0 1px 5px rgba(0,0,0,0.4);
	background: #fff;
	border-radius: 5px;
	}
.leaflet-control-layers-toggle {
	background-image: url(images/layers.png);
	width: 36px;
	height: 36px;
	}
.leaflet-retina .leaflet-control-layers-toggle {
	background-image: url(images/layers-2x.png);
	background-size: 26px 26px;
	}
.leaflet-touch .leaflet-control-layers-toggle {
	width: 44px;
	height: 44px;
	}
.leaflet-control-layers .leaflet-control-layers-list,
.leaflet-control-layers-expanded .leaflet-control-layers-toggle {
	display: none;
	}
.leaflet-control-layers-expanded .leaflet-control-layers-list {
	display: block;
	position: relative;
	}
.leaflet-control-layers-expanded {
	padding: 6px 10px 6px 6px;
	color: #333;
	background: #fff;
	}
.leaflet-control-layers-scrollbar {
	overflow-y: scroll;
	overflow-x: hidden;
	padding-right: 5px;
	}
.leaflet-control-layers-selector {
	margin-top: 2px;
	position: relative;
	top: 1px;
	}
.leaflet-control-layers label {
	display: block;
	font-size: 13px;
	font-size: 1.08333em;
	}
.leaflet-control-layers-separator {
	height: 0;
	border-top: 1px solid #ddd;
	margin: 5px -10px 5px -6px;
	}

/* Default icon URLs */
.leaflet-default-icon-path { /* used only in path-guessing heuristic, see L.Icon.Default */
	background-image: url(images/marker-icon.png);
	}


/* attribution and scale controls */

.leaflet-container .leaflet-control-attribution {
	background: #fff;
	background: rgba(255, 255, 255, 0.8);
	margin: 0;
	}
.leaflet-control-attribution,
.leaflet-control-scale-line {
	padding: 0 5px;
	color: #333;
	line-height: 1.4;
	}
.leaflet-control-attribution a {
	text-decoration: none;
	}
.leaflet-control-attribution a:hover,
.leaflet-control-attribution a:focus {
	text-decoration: underline;
	}
.leaflet-attribution-flag {
	display: inline !important;
	vertical-align: baseline !important;
	width: 1em;
	height: 0.6669em;
	}
.leaflet-left .leaflet-control-scale {
	margin-left: 5px;
	}
.leaflet-bottom .leaflet-control-scale {
	margin-bottom: 5px;
	}
.leaflet-control-scale-line {
	border: 2px solid #777;
	border-top: none;
	line-height: 1.1;
	padding: 2px 5px 1px;
	white-space: nowrap;
	-moz-box-sizing: border-box;
	     box-sizing: border-box;
	background: rgba(255, 255, 255, 0.8);
	text-shadow: 1px 1px #fff;
	}
.leaflet-control-scale-line:not(:first-child) {
	border-top: 2px solid #777;
	border-bottom: none;
	margin-top: -2px;
	}
.leaflet-control-scale-line:not(:first-child):not(:last-child) {
	border-bottom: 2px solid #777;
	}

.leaflet-touch .leaflet-control-attribution,
.leaflet-touch .leaflet-control-layers,
.leaflet-touch .leaflet-bar {
	box-shadow: none;
	}
.leaflet-touch .leaflet-control-layers,
.leaflet-touch .leaflet-bar {
	border: 2px solid rgba(0,0,0,0.2);
	background-clip: padding-box;
	}


/* popup */

.leaflet-popup {
	position: absolute;
	text-align: center;
	margin-bottom: 20px;
	}
.leaflet-popup-content-wrapper {
	padding: 1px;
	text-align: left;
	border-radius: 12px;
	}
.leaflet-popup-content {
	margin: 13px 24px 13px 20px;
	line-height: 1.3;
	font-size: 13px;
	font-size: 1.08333em;
	min-height: 1px;
	}
.leaflet-popup-content p {
	margin: 17px 0;
	margin: 1.3em 0;
	}
.leaflet-popup-tip-container {
	width: 40px;
	height: 20px;
	position: absolute;
	left: 50%;
	margin-top: -1px;
	margin-left: -20px;
	overflow: hidden;
	pointer-events: none;
	}
.leaflet-popup-tip {
	width: 17px;
	height: 17px;
	padding: 1px;

	margin: -10px auto 0;
	pointer-events: auto;

	-webkit-transform: rotate(45deg);
	   -moz-transform: rotate(45deg);
	    -ms-transform: rotate(45deg);
	        transform: rotate(45deg);
	}
.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
	background: white;
	color: #333;
	box-shadow: 0 3px 14px rgba(0,0,0,0.4);
	}
.leaflet-container a.leaflet-popup-close-button {
	position: absolute;
	top: 0;
	right: 0;
	border: none;
	text-align: center;
	width: 24px;
	height: 24px;
	font: 16px/24px Tahoma, Verdana, sans-serif;
	color: #757575;
	text-decoration: none;
	background: transparent;
	}
.leaflet-container a.leaflet-popup-close-button:hover,
.leaflet-container a.leaflet-popup-close-button:focus {
	color: #585858;
	}
.leaflet-popup-scrolled {
	overflow: auto;
	}

.leaflet-oldie .leaflet-popup-content-wrapper {
	-ms-zoom: 1;
	}
.leaflet-oldie .leaflet-popup-tip {
	width: 24px;
	margin: 0 auto;

	-ms-filter: "progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678)";
	filter: progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678);
	}

.leaflet-oldie .leaflet-control-zoom,
.leaflet-oldie .leaflet-control-layers,
.leaflet-oldie .leaflet-popup-content-wrapper,
.leaflet-oldie .leaflet-popup-tip {
	border: 1px solid #999;
	}


/* div icon */

.leaflet-div-icon {
	background: #fff;
	border: 1px solid #666;
	}


/* Tooltip */
/* Base styles for the element that has a tooltip */
.leaflet-tooltip {
	position: absolute;
	padding: 6px;
	background-color: #fff;
	border: 1px solid #fff;
	border-radius: 3px;
	color: #222;
	white-space: nowrap;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
	pointer-events: none;
	box-shadow: 0 1px 3px rgba(0,0,0,0.4);
	}
.leaflet-tooltip.leaflet-interactive {
	cursor: pointer;
	pointer-events: auto;
	}
.leaflet-tooltip-top:before,
.leaflet-tooltip-bottom:before,
.leaflet-tooltip-left:before,
.leaflet-tooltip-right:before {
	position: absolute;
	pointer-events: none;
	border: 6px solid transparent;
	background: transparent;
	content: "";
	}

/* Directions */

.leaflet-tooltip-bottom {
	margin-top: 6px;
}
.leaflet-tooltip-top {
	margin-top: -6px;
}
.leaflet-tooltip-bottom:before,
.leaflet-tooltip-top:before {
	left: 50%;
	margin-left: -6px;
	}
.leaflet-tooltip-top:before {
	bottom: 0;
	margin-bottom: -12px;
	border-top-color: #fff;
	}
.leaflet-tooltip-bottom:before {
	top: 0;
	margin-top: -12px;
	margin-left: -6px;
	border-bottom-color: #fff;
	}
.leaflet-tooltip-left {
	margin-left: -6px;
}
.leaflet-tooltip-right {
	margin-left: 6px;
}
.leaflet-tooltip-left:before,
.leaflet-tooltip-right:before {
	top: 50%;
	margin-top: -6px;
	}
.leaflet-tooltip-left:before {
	right: 0;
	margin-right: -12px;
	border-left-color: #fff;
	}
.leaflet-tooltip-right:before {
	left: 0;
	margin-left: -12px;
	border-right-color: #fff;
	}

/* Printing */

@media print {
	/* Prevent printers from removing background-images of controls. */
	.leaflet-control {
		-webkit-print-color-adjust: exact;
		print-color-adjust: exact;
		}
	}
/*
 * 样式只有两条原则：地图铺满、控件浮在上面。
 *
 * 配色跟 Android 端一致（橙 #ff6a00 作强调、浅底色），但没有引入任何 CSS 框架——
 * 这个页面总共十来个控件，框架的体积和它的收益完全不成比例。
 */
:root {
  --accent: #ff6a00;
  /* 玫红：高德/OSM 底图里没有相近的色相，绿地、水面、灰楼、米黄街道上都跳得出来 */
  --marker: #c2185b;
  --pin-size: 16px;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --line: #e5e7eb;
  --panel: rgba(255, 255, 255, .96);
  --radius: 12px;
  --shadow: 0 6px 24px rgba(0, 0, 0, .12);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181b;
    --fg: #f2f3f5;
    --muted: #9aa0aa;
    --line: #2c2f35;
    --panel: rgba(23, 24, 27, .96);
    --shadow: 0 6px 24px rgba(0, 0, 0, .5);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--fg);
  background: var(--bg);
  /* iOS 上滚动穿透很难受：地图要能全屏拖动，页面本身不滚 */
  overflow: hidden;
  -webkit-text-size-adjust: 100%;
}

#map {
  position: absolute;
  inset: 0;
  /* 手机上给底部安全区留白，避免按钮压在 home indicator 上 */
  padding-bottom: env(safe-area-inset-bottom);
}

/* ---------- 筛选面板 ---------- */

#panel {
  position: absolute;
  z-index: 500;
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
}

#panel[hidden] { display: none; }

#panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

#panel h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

#panel form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* [hidden] 的 UA 样式是 display: none，但下面的 display: flex 会盖掉它，这里显式兜住。 */
[hidden] {
  display: none !important;
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}

.row {
  display: flex;
  gap: 10px;
}

.row label { flex: 1; min-width: 0; }

input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: 8px 10px;
  font: inherit;
  font-size: 13px;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  /* iOS 上 <16px 会触发聚焦缩放，这里靠 viewport 的 maximum-scale 兜住 */
  appearance: none;
}

input:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.check {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--fg);
  cursor: pointer;
}

.check input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--accent);
}

button {
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}

button:hover { border-color: var(--accent); }

#search {
  padding: 10px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

#search:disabled {
  opacity: .6;
  cursor: progress;
}

#status {
  margin: 0;
  min-height: 1.2em;
  font-size: 12px;
  color: var(--muted);
}

#status.error { color: #d93025; }

#panel footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

#locate {
  padding: 4px 10px;
  font-size: 15px;
  line-height: 1;
}

/*
 * 展开按钮：面板收起时才出现。
 *
 * 位置跟面板走：桌面面板在左上，按钮留在右上；手机面板从底部上滑，按钮就放到右下——
 * 和抽屉同一侧，拇指够得着，也不会浮在屏幕另一半的空白处。
 */
#open {
  position: absolute;
  z-index: 400;
  top: calc(12px + env(safe-area-inset-top));
  right: 12px;
  width: 44px;
  height: 44px;
  padding: 0;
  font-size: 18px;
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  border-radius: 50%;
}

@media (max-width: 720px) {
  #open {
    top: auto;
    bottom: calc(16px + env(safe-area-inset-bottom));
    right: 16px;
  }
}

/* ---------- 布局：移动端抽屉，PC 端固定侧栏 ---------- */

@media (max-width: 720px) {
  #panel {
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    max-height: 76vh;
    overflow-y: auto;
    border-radius: var(--radius) var(--radius) 0 0;
    border-bottom: none;
    padding-bottom: calc(14px + env(safe-area-inset-bottom));
    animation: slide-up .18s ease-out;
  }
  @keyframes slide-up {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }
}

@media (min-width: 721px) {
  #panel {
    top: 16px;
    left: 16px;
    width: 300px;
    max-height: calc(100% - 32px);
    overflow-y: auto;
    border-radius: var(--radius);
  }
  /*
   * PC 上面板默认展开，但两个按钮都要留着：
   * 收起后必须有东西能再打开——之前两处都 display: none，一旦收起就再也调不出来，
   * 只能刷新页面。
   */
  #close { display: block; }
}

/* ---------- 地图控件 ---------- */

/* ---------- 地图归属 ---------- */

/*
 * 只留「地图来源」，缩到刚好能看清。
 *
 * 它必须存在（OSM 条款要求、高德也是行业惯例），但不该抢视线：10px、半透明、
 * 贴左下角，并把默认的浅色底去掉——Leaflet 那块半透明白底在深色地图上很扎眼。
 */
.leaflet-bottom.leaflet-left .leaflet-control-attribution {
  margin: 0 0 4px 6px;
  padding: 0;
  background: none;
  font-size: 10px;
  line-height: 1.2;
  color: var(--muted);
  opacity: .55;
}

.leaflet-control-attribution a {
  color: inherit;
  text-decoration: none;
}

/* ---------- 地图标记 ---------- */

/*
 * 尺寸只有一个来源：PC 一档、手机一档。
 *
 * 手机拿得更远、圆点小了就跟瓦片糊在一起，所以放大一圈；PC 上一屏常见上千个历史点，
 * 太小看不清、太大会连成一片，16px 是既不丢细节也不糊的折中。
 * 对应的 divIcon 是零尺寸锚点（见 app.js），圆点靠负外边距把自己的圆心对到坐标上。
 */
.pin {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: var(--pin-size);
  height: var(--pin-size);
  margin: calc(var(--pin-size) / -2) 0 0 calc(var(--pin-size) / -2);
  border-radius: 50%;
  background: var(--marker);
  border: 2px solid #fff;
  /*
   * 深色外圈才是和底图分开的关键：瓦片底色本身就偏浅，只靠白圈等于没有边界。
   * 再加一层柔和投影，圆点才「浮」在地图上，放大到街区级别也不会陷进绿地或水面。
   */
  box-shadow: 0 0 0 1.5px rgba(0, 0, 0, .45), 0 1px 4px rgba(0, 0, 0, .35);
}

.pin.me {
  background: #1a73e8;
}

/* 与面板的 720px 断点一致：同一档屏幕只认一个宽度 */
@media (max-width: 720px) {
  :root { --pin-size: 20px; }
}

.leaflet-popup-content {
  margin: 10px 12px;
  font-size: 13px;
  line-height: 1.6;
}

.leaflet-popup-content b { color: var(--accent); }

.popup-meta {
  color: var(--muted);
  font-size: 12px;
}

/* 尊重「减少动态效果」的系统设置 */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}