/* 诗词山河 · 真实中国版图底图 + 竖排诗词垂直于底图 */

.poetry-map-3d {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  overflow: hidden;
  color: #f5f0e6;
  font-family: "Noto Serif SC", "SimSun", serif;
}

.poetry-map-3d.is-open {
  display: block;
  cursor: grab;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

.poetry-map-3d.is-open ::selection {
  background: transparent;
}

.poetry-map-3d.is-open * {
  -webkit-tap-highlight-color: transparent;
}

.poetry-map-3d.is-open.is-orbit-dragging {
  cursor: grabbing;
}

/* ── 图1：云海金色调背景 ── */
.poetry-map-3d__backdrop {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  background: #c8b08a;
}

.poetry-map-3d__bg-cloudsky {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 80% at 50% 30%, rgba(255, 248, 235, 0.95) 0%, rgba(232, 210, 175, 0.7) 45%, rgba(180, 155, 120, 0.5) 100%),
    linear-gradient(180deg, #f5ead8 0%, #dcc9a8 35%, #b89870 70%, #8a7050 100%);
}

.poetry-map-3d__bg-cloudlayer {
  position: absolute;
  inset: -15%;
  background:
    radial-gradient(ellipse 55% 35% at 25% 70%, rgba(255, 255, 255, 0.55) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 75% 65%, rgba(255, 252, 245, 0.45) 0%, transparent 68%),
    radial-gradient(ellipse 80% 50% at 50% 85%, rgba(255, 255, 255, 0.35) 0%, transparent 72%);
  animation: poetry-cloud-drift 36s ease-in-out infinite alternate;
  opacity: 0.85;
}

.poetry-map-3d__bg-cloudlayer--far {
  inset: -8%;
  opacity: 0.5;
  filter: blur(8px);
  animation-duration: 48s;
  animation-direction: alternate-reverse;
}

@keyframes poetry-cloud-drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(2%, -1.5%) scale(1.04); }
}

.poetry-map-3d__bg-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 82% at 50% 48%, transparent 42%, rgba(60, 45, 30, 0.35) 100%),
    linear-gradient(to bottom, rgba(80, 60, 40, 0.15) 0%, transparent 25%, transparent 75%, rgba(50, 38, 25, 0.25) 100%);
}

/* 隐藏旧星云层 */
.poetry-map-3d__bg-space,
.poetry-map-3d__bg-nebula,
.poetry-map-3d__bg-starfield,
.poetry-map-3d__bg-stars,
.poetry-map-3d__bg-core-glow,
.poetry-map-3d__bg-frame,
.poetry-map-3d__shanshui,
.poetry-map-3d__bg-base,
.poetry-map-3d__bg-aurora,
.poetry-map-3d__bg-mountains,
.poetry-map-3d__bg-clouds,
.poetry-map-3d__bg-pattern,
.poetry-map-3d__bg-glow {
  display: none;
}

.poetry-map-3d__loading {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 18;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  background: rgba(192, 182, 170, 0.55);
  backdrop-filter: blur(4px);
}

.poetry-map-3d.is-loading .poetry-map-3d__loading {
  display: flex;
}

.poetry-map-3d__loading-text {
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(160, 130, 90, 0.35);
  background: rgba(245, 236, 220, 0.92);
  color: rgba(58, 40, 24, 0.88);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  animation: poetry-map-loading-pulse 1.2s ease-in-out infinite;
}

@keyframes poetry-map-loading-pulse {
  0%, 100% { opacity: 0.72; }
  50% { opacity: 1; }
}

.poetry-map-3d__topbar {
  position: absolute;
  top: 3.1rem;
  left: 0;
  right: 0;
  z-index: 13;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
  pointer-events: none;
}

.poetry-map-3d__top-actions {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  pointer-events: auto;
}

.poetry-map-3d__hud {
  position: relative;
  top: auto;
  bottom: auto;
  left: auto;
  transform: none;
  z-index: 12;
  padding: 0.65rem 1.35rem;
  border-radius: 4px;
  border: 1px solid rgba(180, 140, 90, 0.45);
  background: rgba(245, 232, 210, 0.82);
  backdrop-filter: blur(8px);
  box-shadow: 0 6px 24px rgba(60, 45, 25, 0.25);
  text-align: center;
  pointer-events: none;
  max-width: min(92vw, 520px);
}

.poetry-map-3d__hud-title {
  margin: 0;
  font-family: "Ma Shan Zheng", "Noto Serif SC", serif;
  font-size: clamp(1.2rem, 3vw, 1.65rem);
  letter-spacing: 0.28em;
  color: #3a2818;
  text-shadow: none;
}

.poetry-map-3d__hud-sub {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: rgba(58, 40, 24, 0.72);
}

.poetry-map-3d__close-mode,
.poetry-map-3d__reset-btn {
  position: relative;
  top: auto;
  right: auto;
  z-index: 13;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 5.75rem;
  height: 2.125rem;
  min-width: 5.75rem;
  min-height: 2.125rem;
  padding: 0;
  border: 1px solid rgba(232, 201, 107, 0.32);
  background: linear-gradient(145deg, rgba(40, 28, 24, 0.88), rgba(18, 32, 24, 0.85));
  color: #f8edd0;
  cursor: pointer;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: border-color 0.2s, box-shadow 0.2s;
  border-radius: 999px;
  font-family: "Ma Shan Zheng", "Noto Serif SC", serif;
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  text-align: center;
}

.poetry-map-3d__close-mode:hover,
.poetry-map-3d__reset-btn:hover {
  border-color: rgba(232, 201, 107, 0.55);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35), 0 0 12px rgba(232, 201, 107, 0.15);
  color: #fff8e8;
}

.poetry-map-3d.is-satellite-terrain .poetry-map-3d__topbar {
  top: 3rem;
}

.poetry-map-3d.is-open.is-satellite-terrain {
  cursor: grab;
  background: #c0b6aa;
}

body.poetry-map-open #app {
  visibility: hidden;
}

/* 卫星模式下保留淡云氛围，与域外底色自然过渡 */
.poetry-map-3d.is-open.is-satellite-terrain .poetry-map-3d__backdrop {
  display: block !important;
  opacity: 0.42;
  z-index: 1;
}

.poetry-map-3d.is-open.is-satellite-terrain .poetry-map-3d__bg-vignette {
  opacity: 0.55;
}

.poetry-map-3d.is-satellite-terrain .poetry-map-3d__viewport {
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 5;
}

/* 地图边缘柔化：中心清晰、四周渐隐进纸色背景 */
.poetry-map-3d.is-satellite-terrain .poetry-map-3d__viewport::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background:
    radial-gradient(ellipse 88% 78% at 50% 46%, transparent 44%, rgba(168, 158, 144, 0.32) 100%),
    linear-gradient(
      180deg,
      rgba(210, 202, 190, 0.22) 0%,
      transparent 16%,
      transparent 84%,
      rgba(158, 148, 136, 0.18) 100%
    );
}

.poetry-map-3d.is-satellite-terrain .poetry-map-3d__viewport::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.35;
  background:
    radial-gradient(ellipse 70% 55% at 50% 40%, rgba(255, 252, 245, 0.18) 0%, transparent 70%);
}

.poetry-map-3d.is-satellite-terrain .poetry-map-3d__hud {
  background: rgba(245, 236, 220, 0.78);
  border-color: rgba(160, 130, 90, 0.35);
  color: #3a2818;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 28px rgba(60, 45, 30, 0.12);
}

.poetry-map-3d.is-satellite-terrain .poetry-map-3d__hud-title {
  color: #3a2818;
}

.poetry-map-3d.is-satellite-terrain .poetry-map-3d__hud-sub {
  color: rgba(58, 40, 24, 0.72);
}

.poetry-map-3d.is-satellite-terrain .poetry-map-3d__close-mode,
.poetry-map-3d.is-satellite-terrain .poetry-map-3d__reset-btn {
  background: rgba(245, 236, 220, 0.82);
  border-color: rgba(160, 130, 90, 0.38);
  color: #3a2818;
  box-shadow: 0 4px 16px rgba(60, 45, 30, 0.1);
}

.poetry-map-3d.is-satellite-terrain .poetry-map-3d__canvas-host,
.poetry-map-3d.is-satellite-terrain .poetry-map-3d__canvas-host .maplibregl-map,
.poetry-map-3d.is-satellite-terrain .poetry-map-3d__canvas-host .maplibregl-canvas-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 4;
}

.poetry-map-3d.is-satellite-terrain .maplibregl-marker {
  z-index: 6;
  pointer-events: auto;
}

/* 勿强制拉伸 WebGL canvas，避免平移时出现重影/叠图 */
.poetry-map-3d.is-satellite-terrain .poetry-map-3d__canvas-host canvas.maplibregl-canvas {
  display: block;
}

.poetry-map-3d__label-map {
  transform: none;
}

.poetry-map-3d__label-pin {
  width: 10px;
  height: 10px;
  margin-top: 4px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid rgba(212, 175, 55, 0.95);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.45);
}

.poetry-map-3d__scs-inset {
  display: none;
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 25;
  width: min(228px, 32vw);
  height: min(272px, 38vw);
  min-width: 160px;
  min-height: 190px;
  border: 1px solid rgba(160, 130, 90, 0.45);
  border-radius: 4px;
  background: linear-gradient(180deg, rgba(216, 208, 196, 0.9) 0%, rgba(186, 176, 164, 0.92) 100%);
  box-shadow: 0 4px 18px rgba(60, 45, 30, 0.14), inset 0 0 0 1px rgba(255, 255, 255, 0.4);
  overflow: hidden;
  pointer-events: none;
}

.poetry-map-3d__scs-inset-label {
  position: absolute;
  top: 5px;
  left: 0;
  right: 0;
  z-index: 2;
  text-align: center;
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  color: rgba(58, 40, 24, 0.88);
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.45);
  pointer-events: none;
}

.poetry-map-3d__scs-inset-host {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 20px;
}

.poetry-map-3d__scs-inset-host .maplibregl-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.poetry-map-3d__scs-inset-host canvas.maplibregl-canvas {
  display: block;
}

.poetry-map-3d.is-poem-open .poetry-map-3d__scs-inset {
  opacity: 0.35;
}

.poetry-map-3d.is-satellite-terrain .poetry-map-3d__scs-inset {
  display: block;
}

.poetry-map-3d.is-satellite-terrain .maplibregl-ctrl-bottom-left {
  bottom: 12px;
  left: 12px;
}

.poetry-map-3d__viewport {
  position: absolute;
  top: 3.25rem;
  left: 0;
  right: 0;
  bottom: 1.25rem;
  z-index: 5;
  pointer-events: auto;
  overflow: hidden;
  background: #c0b6aa;
}

.poetry-map-3d__canvas-host {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  z-index: 4;
}

.poetry-map-3d__canvas-host canvas {
  display: block;
  outline: none;
  pointer-events: auto;
  cursor: grab;
}

.poetry-map-3d__label-layer {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.poetry-map-3d__label-3d {
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: auto;
  cursor: pointer;
  transform: translate(-50%, -100%);
}

.poetry-map-3d.is-orbit-dragging .poetry-map-3d__label-3d {
  pointer-events: none;
}

.poetry-map-3d__yaw {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  will-change: transform;
}

.poetry-map-3d__yaw.is-snapping {
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.poetry-map-3d__pitch {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  will-change: transform;
}

.poetry-map-3d__pitch.is-snapping {
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.poetry-map-3d__plate {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(92vw, 960px);
  aspect-ratio: 16 / 10;
  height: auto;
  transform: translate(-50%, -50%);
  transform-style: preserve-3d;
  --plate-thickness: 44px;
  filter: drop-shadow(0 28px 48px rgba(40, 30, 15, 0.45));
}

.poetry-map-3d__plate-halo {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 105%;
  height: 105%;
  transform: translate(-50%, -50%) translateZ(-12px);
  background: radial-gradient(ellipse 100% 100% at 50% 50%,
    rgba(255, 240, 210, 0.25) 0%,
    rgba(200, 170, 120, 0.12) 45%,
    transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}

.poetry-map-3d__plate-body {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  pointer-events: none;
}

.poetry-map-3d__plate-top {
  position: absolute;
  inset: 0;
  transform: translateZ(calc(var(--plate-thickness) / 2));
  transform-style: preserve-3d;
  user-select: none;
  -webkit-user-select: none;
  outline: none;
  border-radius: 8px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 240, 210, 0.35),
    0 8px 32px rgba(0, 0, 0, 0.25);
}

.poetry-map-3d__plate-bottom {
  position: absolute;
  inset: 0;
  transform: translateZ(calc(var(--plate-thickness) / -2)) rotateX(180deg);
  background: linear-gradient(165deg, #5a4a38 0%, #3a3028 40%, #2a2418 100%);
  border-radius: 6px;
  box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.45);
}

.poetry-map-3d__rim {
  position: absolute;
  background: linear-gradient(180deg, #8a7860 0%, #6a5840 30%, #4a4030 60%, #3a3428 100%);
  border: 1px solid rgba(180, 150, 100, 0.35);
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 240, 210, 0.15);
}

.poetry-map-3d__rim--west {
  left: 0;
  top: 0;
  width: var(--plate-thickness);
  height: 100%;
  transform-origin: left center;
  transform: rotateY(-90deg);
}

.poetry-map-3d__rim--east {
  right: 0;
  top: 0;
  width: var(--plate-thickness);
  height: 100%;
  transform-origin: right center;
  transform: rotateY(90deg);
}

.poetry-map-3d__rim--north {
  left: 0;
  top: 0;
  width: 100%;
  height: var(--plate-thickness);
  transform-origin: top center;
  transform: rotateX(90deg);
}

.poetry-map-3d__rim--south {
  left: 0;
  bottom: 0;
  width: 100%;
  height: var(--plate-thickness);
  transform-origin: bottom center;
  transform: rotateX(-90deg);
}

.poetry-map-3d__island-img,
.poetry-map-3d__china {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  user-drag: none;
  outline: none;
  border: none;
  object-fit: cover;
  object-position: center center;
}

.poetry-map-3d__scene {
  position: absolute;
  left: 4%;
  top: 5%;
  right: 6%;
  bottom: 14%;
  transform-style: preserve-3d;
  pointer-events: auto;
}

/* 锚点落在版图；诗词竖排自地图点向上垂挂 */
.poetry-map-3d__marker {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 0;
  height: 0;
  transform-style: preserve-3d;
  transform: translate(-50%, -50%) translateZ(calc(var(--plate-thickness) / 2 + 4px));
  transform-origin: center bottom;
  cursor: pointer;
}

.poetry-map-3d__label-wrap {
  position: absolute;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform-style: preserve-3d;
  transform: translateX(-50%) translateZ(calc(var(--z, 36) * 1px))
    rotateX(var(--billboard-x, 0deg)) rotateY(var(--billboard-y, 0deg));
  transform-origin: center bottom;
  transition: transform 0.22s ease, filter 0.22s ease;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.55));
}

.poetry-map-3d__label-string {
  width: 1px;
  height: 28px;
  background: linear-gradient(to top, rgba(255, 248, 230, 0.85), rgba(255, 248, 230, 0.2));
  box-shadow: 0 0 6px rgba(255, 240, 200, 0.45);
  flex-shrink: 0;
}

.poetry-map-3d__label-scroll {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.3rem;
  padding: 0.15rem 0.1rem;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  max-height: 12rem;
}

.poetry-map-3d__hang-title {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: "Ma Shan Zheng", "Noto Serif SC", serif;
  font-size: clamp(0.88rem, 1.8vw, 1.05rem);
  letter-spacing: 0.16em;
  line-height: 1.4;
  color: rgba(255, 252, 245, 0.98);
  text-shadow:
    0 0 14px rgba(0, 0, 0, 0.9),
    0 2px 8px rgba(0, 0, 0, 0.85),
    0 0 3px rgba(0, 0, 0, 1);
  white-space: nowrap;
}

.poetry-map-3d__hang-author {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: "Noto Serif SC", "SimSun", serif;
  font-size: clamp(0.72rem, 1.4vw, 0.84rem);
  letter-spacing: 0.2em;
  color: rgba(255, 248, 235, 0.78);
  text-shadow:
    0 0 10px rgba(0, 0, 0, 0.8),
    0 1px 4px rgba(0, 0, 0, 0.7);
  margin-top: 0.15rem;
}

.poetry-map-3d__marker:hover .poetry-map-3d__label-wrap {
  transform: translateX(-50%) translateZ(calc(var(--z, 36) * 1px + 16px))
    rotateX(var(--billboard-x, 0deg)) rotateY(var(--billboard-y, 0deg)) scale(1.05);
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.6)) drop-shadow(0 0 12px rgba(255, 240, 200, 0.25));
}

.poetry-map-3d__label-3d:hover .poetry-map-3d__hang-title,
.poetry-map-3d__label-3d:hover .poetry-map-3d__hang-author {
  color: #fffef8;
  filter: brightness(1.12);
}

.poetry-map-3d__upright {
  display: none !important;
}

.poetry-map-3d__label-card,
.poetry-map-3d__building-name,
.poetry-map-3d__poem-short,
.poetry-map-3d__poem-author-mini {
  display: none !important;
}


/* 旧竖排柱（已弃用，保留兼容） */
.poetry-map-3d__poem-col,
.poetry-map-3d__stack,
.poetry-map-3d__building {
  display: none !important;
}

.poetry-map-3d__poem-col {
  writing-mode: vertical-rl;
  text-orientation: upright;
  direction: ltr;
  letter-spacing: 0.14em;
  font-size: clamp(0.74rem, 1.3vw, 0.9rem);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.55);
  white-space: nowrap;
  padding: 0.2rem 0.05rem;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  max-height: 34vh;
  transform: scaleY(-1);
  cursor: pointer;
  touch-action: manipulation;
}

.poetry-map-3d__building {
  flex-shrink: 0;
  margin-bottom: 0.35rem;
  padding: 0.12rem 0.35rem;
  border-radius: 999px;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: rgba(255, 248, 230, 0.92);
  background: rgba(40, 55, 45, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transform: scaleY(-1);
  cursor: pointer;
  touch-action: manipulation;
}

.poetry-map-3d__stack {
  display: flex;
  flex-direction: row-reverse;
  align-items: flex-end;
  justify-content: center;
  gap: 0.5rem;
  max-height: 38vh;
}

.poetry-map-3d__poem-col:last-child {
  border-left: none;
}

.poetry-map-3d__poem-title {
  display: inline;
}

.poetry-map-3d__poem-author {
  display: inline;
  font-size: 0.76em;
  color: rgba(220, 200, 160, 0.82);
  margin-top: 0.55em;
}

.poetry-map-3d.is-poem-open .poetry-map-3d__viewport {
  opacity: 0.12;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.poetry-map-3d__poem-stage {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 1.5rem 2rem;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(232, 201, 107, 0.06) 0%, transparent 60%),
    linear-gradient(165deg, rgba(26, 14, 18, 0.97) 0%, rgba(14, 24, 18, 0.96) 50%, rgba(8, 14, 11, 0.98) 100%);
  backdrop-filter: blur(16px);
  animation: poetry-map-fade-in 0.4s ease;
}

.poetry-map-3d.is-poem-open .poetry-map-3d__poem-stage {
  display: flex;
}

@keyframes poetry-map-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.poetry-map-3d__poem-back {
  position: absolute;
  top: 4.5rem;
  left: 1rem;
  z-index: 2;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(18, 28, 22, 0.78);
  color: #f5ecd8;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  cursor: pointer;
}

.poetry-map-3d__poem-article {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: min(92vw, 720px);
  text-align: center;
}

.poetry-map-3d__poem-stage-title {
  margin: 0 0 0.5rem;
  font-family: "Ma Shan Zheng", "Noto Serif SC", serif;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  letter-spacing: 0.18em;
  color: #f5ecd8;
}

.poetry-map-3d__poem-stage-meta {
  margin: 0 0 1.25rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.58);
  letter-spacing: 0.1em;
}

.poetry-map-3d__poem-stage-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.55rem;
  width: 100%;
  max-width: min(680px, 92vw);
  max-height: min(52vh, 420px);
  overflow-x: hidden;
  overflow-y: auto;
  padding: 0.5rem 0.75rem;
  -webkit-overflow-scrolling: touch;
}

.poetry-map-3d__poem-line {
  margin: 0;
  writing-mode: horizontal-tb;
  text-orientation: mixed;
  direction: ltr;
  letter-spacing: 0.1em;
  line-height: 1.9;
  font-size: clamp(0.95rem, 2.2vw, 1.12rem);
  color: rgba(255, 255, 255, 0.94);
  white-space: normal;
  word-break: normal;
  text-align: center;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.poetry-map-3d__poem-stage-tag {
  margin: 1rem 0 0;
  font-size: 0.78rem;
  color: rgba(220, 200, 160, 0.82);
  letter-spacing: 0.08em;
}

.poetry-map-3d__poem-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  margin-top: 1.25rem;
}

.poetry-map-3d__building-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(232, 201, 107, 0.45);
  background: linear-gradient(135deg, rgba(90, 24, 24, 0.88), rgba(40, 70, 55, 0.88));
  color: #fef3c7;
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.poetry-map-3d__building-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.poetry-map-3d__detail {
  display: none !important;
}

#openPoetryLandscapeBtn.is-active {
  background: linear-gradient(135deg, rgba(180, 100, 40, 0.95), rgba(60, 100, 70, 0.95)) !important;
  box-shadow: 0 0 24px rgba(232, 201, 107, 0.35);
}

@media (prefers-reduced-motion: reduce) {
  .poetry-map-3d__bg-cloudlayer {
    animation: none !important;
  }
}

@media (max-width: 720px) {
  .poetry-map-3d__topbar {
    top: 2.85rem;
    padding: 0 0.65rem;
  }

  .poetry-map-3d__top-actions {
    right: 0.65rem;
    gap: 0.35rem;
  }

  .poetry-map-3d__close-mode,
  .poetry-map-3d__reset-btn {
    width: 5rem;
    height: 1.95rem;
    min-width: 5rem;
    min-height: 1.95rem;
    font-size: 0.74rem;
    letter-spacing: 0.05em;
  }

  .poetry-map-3d__hud {
    max-width: calc(100vw - 9.5rem);
    padding: 0.5rem 0.75rem;
  }

  .poetry-map-3d__plate {
    width: 94vw;
  }

  .poetry-map-3d__poem-stage {
    padding: 4.5rem 1rem 1.5rem;
  }

  .poetry-map-3d__poem-stage-body {
    max-height: 42vh;
  }
}