/* Hallmark · macrostructure: Constellation Stage · tone: atmospheric-playful · anchor hue: red-violet
 * Hallmark · pre-emit critique: P5 H4 E5 S4 R5 V5
 * contrast: pass (40-41) · nav: N-variant vertical rail · footer: none · slop: pass (42-45)
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · mobile: pass (34, 49, 50-57) */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  overflow-x: clip;
  overflow-y: auto;
  background: var(--color-space-900);
}

body {
  margin: 0;
  min-height: 100dvh;
  overflow-x: clip;
  color: var(--color-text-bright);
  font-family: var(--font-body);
  background:
    radial-gradient(120% 90% at 78% 8%, color-mix(in oklch, var(--color-nebula-violet) 18%, transparent) 0%, transparent 52%),
    radial-gradient(110% 85% at 12% 92%, color-mix(in oklch, var(--color-nebula-magenta) 14%, transparent) 0%, transparent 55%),
    var(--color-space-900);
}

button {
  font: inherit;
  color: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.mono {
  font-family: var(--font-body);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.noscript {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--space-6);
  text-align: center;
  background: var(--color-space-900);
  z-index: 999;
}

[hidden] {
  display: none !important;
}

/* ============ loader ============ */

#loader {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: var(--space-4);
  background: var(--color-space-900);
  transition: opacity var(--dur-slow) var(--ease-out);
}

#loader.is-done {
  opacity: 0;
  pointer-events: none;
}

.loader-mark {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  filter: drop-shadow(0 0 18px color-mix(in oklch, var(--color-web-red) 70%, transparent));
  animation: loader-float 2.4s var(--ease-in-out) infinite;
}

.loader-orbit {
  transform-origin: 24px 24px;
  animation: loader-spin 1.4s linear infinite;
}

@keyframes loader-spin {
  to { transform: rotate(360deg); }
}

@keyframes loader-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.loader-text {
  margin: 0;
  color: var(--color-text-dim);
  font-size: var(--text-sm);
}

.loader-bar {
  width: min(240px, 64vw);
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--color-space-700);
  overflow: hidden;
}

.loader-bar i {
  display: block;
  width: 42%;
  height: 100%;
  border-radius: inherit;
  background: var(--color-web-red);
  animation: loader-slide 1.2s var(--ease-in-out) infinite;
}

@keyframes loader-slide {
  from { transform: translateX(-110%); }
  to { transform: translateX(260%); }
}

/* ============ intro ============ */

#intro {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-content: center;
  justify-items: center;
  text-align: center;
  gap: var(--space-5);
  padding: var(--space-8);
  overflow: hidden;
  transition: opacity var(--dur-slow) var(--ease-out);
}

#intro.is-leaving {
  opacity: 0;
  pointer-events: none;
}

.intro-space {
  position: absolute;
  inset: -20%;
  pointer-events: none;
  background:
    radial-gradient(1.6px 1.6px at 18% 30%, var(--color-lens) 60%, transparent 62%),
    radial-gradient(1.2px 1.2px at 72% 18%, var(--color-nebula-cyan) 60%, transparent 62%),
    radial-gradient(1.4px 1.4px at 84% 62%, var(--color-nebula-magenta) 60%, transparent 62%),
    radial-gradient(1.1px 1.1px at 36% 74%, var(--color-lens) 60%, transparent 62%),
    radial-gradient(1.5px 1.5px at 55% 88%, var(--color-nebula-violet) 60%, transparent 62%),
    radial-gradient(1.3px 1.3px at 8% 62%, var(--color-nebula-cyan) 60%, transparent 62%),
    radial-gradient(1.2px 1.2px at 92% 84%, var(--color-lens) 60%, transparent 62%),
    radial-gradient(60% 42% at 50% 46%, color-mix(in oklch, var(--color-nebula-violet) 22%, transparent), transparent 70%);
  animation: space-drift 26s var(--ease-in-out) infinite alternate;
}

@keyframes space-drift {
  from { transform: translate3d(-1.5%, -1%, 0) rotate(0deg); }
  to { transform: translate3d(1.5%, 1%, 0) rotate(1.2deg); }
}

.intro-eyebrow {
  margin: 0;
  color: var(--color-nebula-cyan);
  font-size: var(--text-xs);
  text-shadow: 0 0 14px color-mix(in oklch, var(--color-nebula-cyan) 65%, transparent);
  animation: rise-in 0.9s var(--ease-out) both;
}

.intro-title {
  margin: 0;
  display: grid;
  gap: var(--space-2);
  animation: rise-in 1s var(--ease-out) 0.12s both;
}

.t-en {
  font-family: var(--font-logo);
  font-size: var(--text-display);
  line-height: 1.05;
  letter-spacing: 0.08em;
  font-style: normal;
  color: var(--color-web-red-bright);
  text-shadow: 0 0 30px color-mix(in oklch, var(--color-web-red) 55%, transparent), 0 3px 0 var(--color-space-900);
  overflow-wrap: anywhere;
  min-width: 0;
}

.t-cn {
  font-family: var(--font-display);
  font-size: var(--text-display-s);
  font-weight: 900;
  letter-spacing: 0.06em;
  font-style: normal;
  color: var(--color-lens);
  text-shadow: 0 0 22px color-mix(in oklch, var(--color-web-blue) 65%, transparent);
  overflow-wrap: anywhere;
  min-width: 0;
}

.intro-sub {
  margin: 0;
  max-width: 46ch;
  color: var(--color-text-dim);
  font-size: var(--text-base);
  line-height: 1.9;
  animation: rise-in 1s var(--ease-out) 0.24s both;
}

.intro-tip {
  margin: 0;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  animation: rise-in 1s var(--ease-out) 0.36s both;
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ buttons ============ */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 0 var(--space-6);
  border: var(--rule-hair);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(1px) scale(0.985);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  border: none;
  color: var(--color-lens);
  background: var(--color-web-red);
  box-shadow: 0 10px 34px -10px color-mix(in oklch, var(--color-web-red) 75%, transparent);
  animation: rise-in 1s var(--ease-out) 0.32s both;
}

.btn-primary:hover {
  box-shadow: 0 14px 42px -10px color-mix(in oklch, var(--color-nebula-violet) 75%, transparent);
}

.btn-primary:active {
  box-shadow: 0 6px 22px -10px color-mix(in oklch, var(--color-web-red) 80%, transparent);
}

.btn-arrow {
  transition: transform var(--dur-med) var(--ease-out);
}

.btn-primary:hover .btn-arrow {
  transform: translateX(5px);
}

.btn-secondary {
  color: var(--color-text-bright);
  background: color-mix(in oklch, var(--color-space-700) 55%, transparent);
  backdrop-filter: blur(10px);
  border-color: var(--color-space-600);
}

.btn-secondary:hover {
  border-color: color-mix(in oklch, var(--color-nebula-cyan) 55%, transparent);
  box-shadow: 0 8px 26px -12px color-mix(in oklch, var(--color-nebula-cyan) 60%, transparent);
}

.btn-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: var(--rule-hair);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-800) 60%, transparent);
  color: var(--color-text-dim);
  cursor: pointer;
  font-size: var(--text-lg);
  line-height: 1;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.btn-icon:hover {
  color: var(--color-text-bright);
  border-color: var(--color-nebula-violet);
}

.btn-icon:active {
  transform: scale(0.92);
}

/* ============ main app / stage ============ */

#app {
  position: fixed;
  inset: 0;
  background: var(--color-space-900);
}

#stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.portal-tip {
  position: fixed;
  z-index: 12;
  padding: var(--space-2) var(--space-3);
  border: var(--rule-glow);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-800) 78%, transparent);
  color: var(--color-lens);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  pointer-events: none;
  transform: translate(-50%, calc(-100% - 12px));
  white-space: nowrap;
  box-shadow: 0 8px 24px -10px var(--color-ink);
  backdrop-filter: blur(8px);
}

.portal-tip::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -5px;
  width: 9px;
  height: 9px;
  transform: translateX(-50%) rotate(45deg);
  background: inherit;
  border-right: var(--rule-glow);
  border-bottom: var(--rule-glow);
}

/* ============ rail ============ */

#rail {
  position: fixed;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  display: grid;
  gap: var(--space-5);
  justify-items: center;
}

.rail-line {
  position: absolute;
  top: -12px;
  bottom: -12px;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, transparent, var(--color-nebula-violet) 18%, var(--color-nebula-violet) 82%, transparent);
  opacity: 0.55;
}

.rail-btn {
  position: relative;
  display: grid;
  place-items: center;
  gap: var(--space-1);
  width: 52px;
  height: 52px;
  padding: 0;
  border: var(--rule-hair);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-800) 72%, transparent);
  color: var(--color-text-faint);
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.rail-btn:hover {
  color: var(--color-text-bright);
  border-color: color-mix(in oklch, var(--color-nebula-violet) 60%, transparent);
  transform: translateX(2px);
}

.rail-btn:active {
  transform: translateX(1px) scale(0.96);
}

.rail-btn.is-active {
  color: var(--color-lens);
  border-color: color-mix(in oklch, var(--color-web-blue) 70%, transparent);
  background: color-mix(in oklch, var(--color-web-blue) 22%, var(--color-space-800));
  box-shadow: 0 0 22px -2px color-mix(in oklch, var(--color-web-blue) 70%, transparent);
}

.rail-label {
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--dur-med) var(--ease-out);
  pointer-events: none;
}

.rail-btn:hover .rail-label {
  opacity: 1;
}

/* ============ HUD explore ============ */

.hud {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

.hud > * {
  pointer-events: auto;
}

.hud-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--space-4) var(--space-5) var(--space-8);
  background: linear-gradient(to bottom, color-mix(in oklch, var(--color-space-900) 82%, transparent), transparent);
  display: grid;
  justify-items: center;
  gap: var(--space-1);
  text-align: center;
}

.mode-tag {
  margin: 0;
  color: var(--color-nebula-cyan);
  font-size: var(--text-xs);
  text-shadow: 0 0 12px color-mix(in oklch, var(--color-nebula-cyan) 55%, transparent);
}

.mode-desc {
  margin: 0;
  color: var(--color-text-dim);
  font-size: var(--text-sm);
}

.disclaimer {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  opacity: 0.8;
  white-space: nowrap;
}

/* ============ character panel ============ */

.char-panel {
  position: absolute;
  top: 50%;
  right: var(--space-6);
  transform: translateY(-50%);
  width: min(460px, calc(100vw - var(--space-8)));
  max-height: calc(100vh - var(--space-8));
  border: var(--rule-glow);
  border-radius: var(--radius-lg);
  background: color-mix(in oklch, var(--color-space-800) 78%, transparent);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 70px -24px var(--color-ink), 0 0 40px -18px color-mix(in oklch, var(--color-nebula-violet) 70%, transparent);
  animation: panel-in var(--dur-slow) var(--ease-out);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in oklch, var(--color-nebula-violet) 60%, transparent) transparent;
}

.char-panel::-webkit-scrollbar {
  width: 8px;
}

.char-panel::-webkit-scrollbar-thumb {
  background: color-mix(in oklch, var(--color-nebula-violet) 55%, transparent);
  border-radius: var(--radius-full);
}

.char-panel::-webkit-scrollbar-track {
  background: transparent;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(-50%) translateX(26px); }
  to { opacity: 1; transform: translateY(-50%) translateX(0); }
}

.panel-media {
  position: relative;
}

#panelPortrait {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 1px) calc(var(--radius-lg) - 1px) 0 0;
}

.panel-photo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 1px) calc(var(--radius-lg) - 1px) 0 0;
  object-fit: cover;
}

.panel-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: var(--space-1) var(--space-3);
  border: 1px solid color-mix(in oklch, var(--color-nebula-cyan) 45%, transparent);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-900) 72%, transparent);
  color: var(--color-nebula-cyan);
  font-size: var(--text-xs);
  backdrop-filter: blur(8px);
}

.panel-body {
  padding: var(--space-5);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.panel-id {
  min-width: 0;
  flex: 1;
}

.panel-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: 0.04em;
  color: var(--color-text-bright);
  overflow-wrap: anywhere;
  min-width: 0;
}

.panel-en {
  margin: var(--space-1) 0 0;
  font-family: var(--font-logo);
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}

.panel-alias {
  display: inline-block;
  margin: var(--space-4) 0 0;
  padding: var(--space-1) var(--space-3);
  border: 1px solid color-mix(in oklch, var(--color-web-red) 55%, transparent);
  border-radius: var(--radius-full);
  color: var(--color-web-red-bright);
  font-size: var(--text-xs);
}

.panel-first {
  margin: var(--space-3) 0 0;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}

.panel-quote {
  margin: var(--space-3) 0 0;
  padding-left: var(--space-3);
  border-left: 3px solid var(--color-web-red);
  color: var(--color-text-bright);
  font-family: var(--font-display);
  font-size: var(--text-base);
  line-height: 1.7;
}

.panel-desc {
  margin: var(--space-4) 0 0;
  color: var(--color-text-dim);
  font-size: var(--text-sm);
  line-height: 1.85;
}

.panel-abilities {
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.panel-abilities li {
  position: relative;
  padding-left: var(--space-5);
  color: var(--color-text-dim);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.panel-abilities li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-nebula-violet);
  font-size: 10px;
}

.panel-action {
  width: 100%;
  margin-top: var(--space-5);
}

/* ============ lab（动漫风人脸替换变身） ============ */

/* 摄像头全屏背景 */
.lab-cam-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  z-index: 0;
  background: var(--color-ink, #06040f);
}

/* 漫画叠层画布（与摄像头镜像对齐） */
.lab-stage-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  transform: scaleX(-1);
  z-index: 1;
}

/* 变身开场转场视频（全屏覆盖，结束后淡出露出摄像头） */
.lab-intro-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  z-index: 10;
  opacity: 1;
  transition: opacity 0.6s ease;
  pointer-events: none;
  background: var(--color-ink, #06040f);
}
.lab-intro-video.is-done {
  opacity: 0;
}

/* 人脸故障面具视频源：在 canvas 中绘制，DOM 中不可见。
   注意：不能用 display:none / hidden，否则 Chrome 不给该视频解码、
   也拿不到可绘制的帧（videoWidth 恒为 0），面具就画不出来。
   改为离屏极小尺寸 + 极低透明度，仍在渲染树里，保证能被 drawImage 使用。 */
.lab-mask-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 2px;
  height: 2px;
  opacity: 0.01;
  pointer-events: none;
  z-index: -1;
}

/* 手势感应小窗（仅显示骨架） */
.lab-cam {
  position: absolute;
  top: calc(var(--space-4) + 56px);
  right: var(--space-4);
  width: 200px;
  height: 150px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid color-mix(in oklch, var(--color-space-600) 70%, transparent);
  background: color-mix(in oklch, var(--color-space-900) 85%, transparent);
  box-shadow: 0 8px 30px -10px rgba(0, 0, 0, 0.6);
  z-index: 6;
}

.lab-hand-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: scaleX(-1);
  pointer-events: none;
}

.lab-cam-tag {
  position: absolute;
  left: 6px;
  top: 6px;
  z-index: 2;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-900) 70%, transparent);
  color: var(--color-text-faint);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  backdrop-filter: blur(6px);
}

.lab-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5) var(--space-10);
  background: linear-gradient(to bottom, color-mix(in oklch, var(--color-space-900) 88%, transparent), transparent);
}

.lab-top .mode-tag,
.lab-top .mode-desc {
  margin: 0;
}

.mask-strip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(var(--space-4) + 64px);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-5);
  overflow-x: auto;
  scrollbar-width: none;
}

.mask-strip::-webkit-scrollbar {
  display: none;
}

.mask-strip-label {
  margin: 0;
  flex: 0 0 auto;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}

.mask-chips {
  display: flex;
  gap: var(--space-2);
}

.mask-chip {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 0 var(--space-4);
  border: var(--rule-hair);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-700) 55%, transparent);
  color: var(--color-text-dim);
  font-size: var(--text-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.mask-chip:hover {
  color: var(--color-text-bright);
  border-color: var(--color-space-600);
}

.mask-chip.is-active {
  color: var(--color-lens);
  border-color: color-mix(in oklch, var(--color-web-red) 65%, transparent);
  background: color-mix(in oklch, var(--color-web-red) 24%, var(--color-space-800));
  box-shadow: 0 0 18px -4px color-mix(in oklch, var(--color-web-red) 70%, transparent);
}

.mask-chip:active {
  transform: scale(0.96);
}

.lab-actions-bottom {
  position: absolute;
  left: 50%;
  bottom: var(--space-4);
  transform: translateX(-50%);
  z-index: 6;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* 多元宇宙蜘蛛侠切换条 */
.lab-char-switch {
  position: absolute;
  top: calc(var(--space-4) + 72px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  border: var(--rule-hair);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-800) 64%, transparent);
  backdrop-filter: blur(12px);
  flex-wrap: wrap;
  justify-content: center;
  max-width: calc(100vw - var(--space-8));
}

.lab-char-current {
  color: var(--color-lens, #ffd23f);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
}

.lab-char-hint {
  color: var(--color-text-faint);
  font-size: 0.66rem;
  white-space: nowrap;
}

/* 手势图例（左下角展开） */
.gesture-toggle {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  z-index: 6;
  min-height: 40px;
  padding: 0 var(--space-5);
  font-size: var(--text-sm);
}

.gesture-legend {
  position: absolute;
  left: var(--space-4);
  bottom: calc(var(--space-4) + 56px);
  z-index: 6;
  display: grid;
  grid-template-columns: repeat(3, minmax(96px, 1fr));
  gap: var(--space-1);
  width: min(360px, calc(100vw - var(--space-8)));
  padding: var(--space-3);
  border: var(--rule-hair);
  border-radius: var(--radius-lg);
  background: color-mix(in oklch, var(--color-space-800) 70%, transparent);
  backdrop-filter: blur(14px);
  animation: legend-in var(--dur-med) var(--ease-out);
}

@keyframes legend-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.g-item {
  display: grid;
  justify-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-1);
  border-radius: var(--radius-md);
  text-align: center;
  transition: background-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.g-item.is-on {
  background: color-mix(in oklch, var(--color-nebula-violet) 30%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--color-nebula-violet) 55%, transparent);
}

.g-icon {
  display: block;
  line-height: 1;
}

.g-name {
  color: var(--color-text-bright);
  font-size: var(--text-xs);
  font-weight: 700;
}

.g-effect {
  color: var(--color-text-faint);
  font-size: 0.72rem;
}

.g-dot {
  display: block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  box-shadow: 0 0 10px -1px currentColor;
}

.cur-mask {
  position: absolute;
  left: 50%;
  top: calc(var(--space-4) + 74px);
  transform: translateX(-50%);
  z-index: 5;
  margin: 0;
  padding: var(--space-1) var(--space-4);
  border: 1px solid color-mix(in oklch, var(--color-web-red) 50%, transparent);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-900) 66%, transparent);
  color: var(--color-lens);
  font-size: var(--text-xs);
  backdrop-filter: blur(8px);
  pointer-events: none;
  white-space: nowrap;
  opacity: 1;
  transition: opacity var(--dur-slow) var(--ease-out);
}

.cur-mask.is-dim {
  opacity: 0;
}

/* ============ toast ============ */

.toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-6);
  transform: translate(-50%, 20px);
  z-index: 40;
  max-width: min(520px, calc(100vw - var(--space-8)));
  padding: var(--space-3) var(--space-5);
  border: var(--rule-glow);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-800) 88%, transparent);
  color: var(--color-text-bright);
  font-size: var(--text-sm);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(12px);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}

.toast.is-on {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ============ responsive ============ */

@media (max-width: 900px) {
  .char-panel {
    right: var(--space-3);
    width: min(420px, calc(100vw - var(--space-6)));
  }

  .rail-label {
    display: none;
  }

  #rail {
    left: var(--space-3);
    gap: var(--space-3);
  }

  .rail-btn {
    width: 46px;
    height: 46px;
  }
}

@media (max-width: 640px) {
  .intro-sub .br-dt {
    display: none;
  }

  .disclaimer {
    white-space: normal;
    width: min(90vw, 30em);
    text-align: center;
    line-height: 1.6;
  }

  #rail {
    top: auto;
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    grid-auto-flow: column;
    gap: var(--space-3);
  }

  .rail-line {
    top: 50%;
    bottom: auto;
    left: -14px;
    right: -14px;
    width: auto;
    height: 1px;
    transform: translateY(-50%);
    background: linear-gradient(to right, transparent, var(--color-nebula-violet) 18%, var(--color-nebula-violet) 82%, transparent);
  }

  .rail-btn:hover {
    transform: translateY(-2px);
  }

  .rail-btn.is-active {
    box-shadow: 0 0 18px -2px color-mix(in oklch, var(--color-web-blue) 75%, transparent);
  }

  .char-panel {
    top: auto;
    bottom: 96px;
    right: var(--space-3);
    left: var(--space-3);
    width: auto;
    transform: none;
    animation-name: panel-in-mobile;
    max-height: 62dvh;
    overflow-y: auto;
  }

  @keyframes panel-in-mobile {
    from { opacity: 0; transform: translateY(26px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .hud-top {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .mode-desc {
    font-size: var(--text-xs);
  }

  .lab-top {
    flex-wrap: wrap;
  }

  .lab-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .mask-strip {
    bottom: calc(var(--space-8) + 66px);
  }

  .gesture-legend {
    grid-template-columns: repeat(4, 1fr);
    width: calc(100vw - var(--space-4));
    gap: var(--space-1);
    padding: var(--space-2);
    bottom: calc(var(--space-2) + 56px);
  }

  .g-name {
    font-size: 0.68rem;
  }

  .g-effect {
    font-size: 0.62rem;
  }

  .gesture-toggle {
    bottom: var(--space-2);
    min-height: 36px;
    padding: 0 var(--space-4);
  }
}

/* ============ 粒子模式切换 ============ */
.particle-mode {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  display: flex;
  gap: 4px;
  padding: 5px;
  border: var(--rule-glow);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-800) 72%, transparent);
  backdrop-filter: blur(14px);
  z-index: 5;
}
.pm-btn {
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-faint);
  font: 600 var(--text-xs)/1 var(--font-mono, monospace);
  letter-spacing: 0.04em;
  padding: 7px 13px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.pm-btn:hover {
  color: var(--color-text-bright);
  border-color: color-mix(in oklch, var(--color-nebula-violet) 45%, transparent);
}
.pm-btn.is-active {
  color: #fff;
  background: linear-gradient(120deg, color-mix(in oklch, var(--color-web-red) 85%, transparent), color-mix(in oklch, var(--color-web-blue) 85%, transparent));
  box-shadow: 0 0 16px -4px color-mix(in oklch, var(--color-web-red) 60%, transparent);
}

/* ============ BGM 背景音乐播放器 ============ */

#bgm {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 30;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: var(--rule-glow);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-800) 78%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 36px -16px var(--color-ink), 0 0 28px -16px color-mix(in oklch, var(--color-web-red) 60%, transparent);
  max-width: min(360px, calc(100vw - var(--space-8)));
}

.bgm-toggle {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: var(--rule-hair);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-web-red) 26%, var(--color-space-800));
  color: var(--color-lens);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.bgm-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 18px -3px color-mix(in oklch, var(--color-web-red) 70%, transparent);
  border-color: color-mix(in oklch, var(--color-web-red) 60%, transparent);
}

.bgm-toggle:active {
  transform: scale(0.94);
}

.bgm-ic-pause { display: none; }
#bgm.is-playing .bgm-ic-play { display: none; }
#bgm.is-playing .bgm-ic-pause { display: block; }

.bgm-body {
  flex: 1 1 auto;
  min-width: 0;
  display: grid;
  gap: var(--space-1);
}

.bgm-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: var(--text-xs);
}

.bgm-title {
  color: var(--color-text-bright);
  letter-spacing: 0.12em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bgm-time {
  color: var(--color-text-faint);
  flex: 0 0 auto;
  font-size: 0.66rem;
}

.bgm-bar {
  position: relative;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-space-600);
  cursor: pointer;
  overflow: hidden;
}

.bgm-bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-web-red), var(--color-web-blue));
}

.bgm-skip {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: var(--rule-hair);
  border-radius: var(--radius-full);
  background: color-mix(in oklch, var(--color-space-700) 50%, transparent);
  color: var(--color-text-dim);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.bgm-skip:hover {
  color: var(--color-text-bright);
  border-color: color-mix(in oklch, var(--color-nebula-violet) 55%, transparent);
}

.bgm-vol {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-text-faint);
}

.bgm-vol-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 52px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-space-600);
  outline: none;
  cursor: pointer;
}

.bgm-vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-web-blue-bright);
  box-shadow: 0 0 8px -1px color-mix(in oklch, var(--color-web-blue) 70%, transparent);
}

.bgm-vol-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: none;
  border-radius: 50%;
  background: var(--color-web-blue-bright);
}

@media (max-width: 640px) {
  #bgm {
    right: var(--space-3);
    left: var(--space-3);
    bottom: var(--space-3);
    max-width: none;
  }
  .bgm-vol { display: none; }
}

/* ============ 多元宇宙追踪器 ============ */

.game-stage {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  padding: var(--space-4) var(--space-4) 0;
  --gap: 14px;
}
.game-stage.is-on { display: flex; }

.game-top {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: 0 var(--space-5);
  margin-bottom: var(--gap);
}
.game-top > div:first-child { flex: 1; min-width: 0; }
.game-stats {
  display: flex;
  gap: var(--space-3);
  padding: 10px 14px;
  background: rgba(20, 22, 32, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  backdrop-filter: blur(14px);
  font-family: var(--mono, "JetBrains Mono", monospace);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.game-stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #d6dae6;
}
.game-time {
  color: #3f8cff;
  font-weight: 700;
  min-width: 56px;
  justify-content: flex-end;
}

.game-frame {
  position: relative;
  flex: 1;
  margin: 0 var(--space-5) var(--space-4);
  border-radius: 18px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 30% 25%, rgba(63, 140, 255, 0.18), transparent 55%),
    radial-gradient(ellipse at 75% 70%, rgba(216, 31, 47, 0.16), transparent 55%),
    linear-gradient(140deg, #0a0e1c 0%, #11152a 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 48px rgba(8, 10, 18, 0.35);
}

.game-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* 星座连线 */
.game-nebula-line {
  stroke: rgba(124, 227, 160, 0.22);
  stroke-width: 1;
  stroke-dasharray: 3 4;
  animation: game-line-flow 6s linear infinite;
}
@keyframes game-line-flow {
  to { stroke-dashoffset: -28; }
}

/* 区域节点 */
.game-region { pointer-events: none; }
.game-region-circle {
  fill: rgba(20, 26, 44, 0.55);
  stroke: rgba(124, 227, 160, 0.32);
  stroke-width: 1;
  animation: game-region-pulse 4s ease-in-out infinite;
}
.game-region-label {
  fill: rgba(214, 218, 230, 0.62);
  font: 10px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.06em;
}
@keyframes game-region-pulse {
  0%, 100% { stroke-opacity: 0.32; }
  50% { stroke-opacity: 0.7; }
}

/* 中心枢纽 */
.game-hub-ring {
  fill: none;
  stroke: rgba(63, 140, 255, 0.45);
  stroke-width: 1.4;
  stroke-dasharray: 4 6;
  animation: game-hub-spin 12s linear infinite;
}
.game-hub-label {
  fill: rgba(63, 140, 255, 0.95);
  font: 700 11px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.16em;
}
@keyframes game-hub-spin {
  to { transform: rotate(360deg); transform-origin: center; }
}

/* ============ 目击事件 ============ */
.game-sighting {
  cursor: pointer;
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.18s ease;
  pointer-events: auto;
}
.game-sighting:hover { transform: scale(1.12); }
.game-sighting.is-in { animation: game-pop-in 0.32s cubic-bezier(.2,.7,.3,1.2) both; }
.game-sighting.is-out { animation: game-pop-out 0.28s ease both; }
.game-sighting.is-caught { opacity: 0.5; }
.game-sighting.is-pulse { animation: game-pulse 0.36s ease; }

@keyframes game-pop-in {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
@keyframes game-pop-out {
  to { transform: scale(0.3); opacity: 0; }
}
@keyframes game-pulse {
  0% { filter: brightness(1) drop-shadow(0 0 0 transparent); }
  50% { filter: brightness(1.6) drop-shadow(0 0 12px currentColor); }
  100% { filter: brightness(1) drop-shadow(0 0 0 transparent); }
}

.game-halo {
  fill: currentColor;
  opacity: 0.18;
  filter: blur(4px);
}
.game-shape {
  fill: currentColor;
  stroke: rgba(255, 255, 255, 0.6);
  stroke-width: 1.2;
  stroke-linejoin: round;
}
.game-spider-body {
  fill: currentColor;
  stroke: rgba(255, 255, 255, 0.7);
  stroke-width: 1;
}
.game-spider-leg {
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  opacity: 0.85;
}
.game-sighting-label {
  fill: rgba(255, 255, 255, 0.92);
  font: 700 9px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.08em;
  paint-order: stroke;
  stroke: rgba(0, 0, 0, 0.7);
  stroke-width: 2.4;
}
.game-life {
  fill: none;
  stroke: rgba(255, 255, 255, 0.55);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 138;
  stroke-dashoffset: 0;
  transform: rotate(-90deg);
  transform-origin: center;
  animation: game-life 7s linear forwards;
}
.game-sighting.is-rumor .game-life { animation-duration: 4s; }
.game-sighting.is-confirm .game-life { animation-duration: 5s; }
.game-sighting.is-event .game-life { animation-duration: 7s; }
@keyframes game-life {
  to { stroke-dashoffset: 138; }
}

/* 三种事件配色 */
.game-sighting.is-rumor { color: #ff5a5f; }
.game-sighting.is-confirm { color: #7ce3a0; }
.game-sighting.is-event { color: #3f8cff; }

/* ============ 摆荡入场 ============ */
.game-intro {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  background: rgba(10, 14, 28, 0.92);
  z-index: 5;
  padding-top: 0;
  animation: game-intro-bg 0.4s ease forwards;
}
@keyframes game-intro-bg {
  from { opacity: 0; }
  to { opacity: 1; }
}
.game-web-line {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0.3));
  transform-origin: top center;
  animation: game-web-grow 0.6s ease-out forwards;
}
@keyframes game-web-grow {
  to { height: 38%; }
}
.game-swinger {
  margin-top: 38%;
  transform-origin: 50% -200%;
  animation: game-swing 2.4s cubic-bezier(.4, 0, .5, 1) forwards;
}
@keyframes game-swing {
  0%   { transform: rotate(-30deg); }
  35%  { transform: rotate(28deg); }
  60%  { transform: rotate(-14deg); }
  80%  { transform: rotate(8deg); }
  100% { transform: rotate(0deg); }
}
.game-intro-title {
  margin-top: 18px;
  font: 700 22px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.24em;
  color: #f6f8fd;
  text-shadow: 0 0 18px rgba(216, 31, 47, 0.6);
  animation: game-intro-title 0.6s 0.4s ease both;
}
.game-intro-sub {
  margin-top: 6px;
  font: 11px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.55);
  animation: game-intro-title 0.6s 0.55s ease both;
}
@keyframes game-intro-title {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ 图例 ============ */
.game-legend {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 30px;
  background: rgba(10, 14, 28, 0.86);
  z-index: 4;
  animation: game-fade 0.4s ease both;
}
@keyframes game-fade { from { opacity: 0; } to { opacity: 1; } }
.game-legend-title {
  font: 700 16px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.18em;
  color: #f6f8fd;
  margin-bottom: 8px;
}
.game-legend-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font: 13px/1 var(--mono, "JetBrains Mono", monospace);
  color: rgba(246, 248, 253, 0.85);
  letter-spacing: 0.08em;
}
.game-key {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.8);
}
.game-key.game-key-rumor { background: #ff5a5f; }
.game-key.game-key-confirm { background: #7ce3a0; }
.game-key.game-key-event {
  background: #3f8cff;
  border-radius: 2px;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

/* ============ 开始 / 结束 ============ */
.game-start, .game-end {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 30px;
  background: rgba(10, 14, 28, 0.78);
  backdrop-filter: blur(6px);
  z-index: 6;
  text-align: center;
}
.game-start-title, .game-end-title {
  font: 700 22px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.24em;
  color: #f6f8fd;
  text-shadow: 0 0 16px rgba(63, 140, 255, 0.5);
}
.game-start-desc, .game-end-score, .game-end-best {
  max-width: 480px;
  font: 14px/1.55 "PingFang SC", "Microsoft YaHei", sans-serif;
  color: rgba(246, 248, 253, 0.82);
  letter-spacing: 0.04em;
}
.game-end-score { font: 700 18px/1 var(--mono, "JetBrains Mono", monospace); letter-spacing: 0.12em; color: #ff5a5f; }
.game-end-best { font: 12px/1 var(--mono, "JetBrains Mono", monospace); color: rgba(124, 227, 160, 0.85); }
.game-end-actions { display: flex; gap: 12px; margin-top: 4px; }

/* ============ 事件弹窗 ============ */
.game-event {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 10, 18, 0.62);
  backdrop-filter: blur(4px);
  z-index: 7;
  animation: game-fade 0.24s ease;
}
.game-event-card {
  position: relative;
  width: min(420px, 88%);
  padding: 22px 24px 24px;
  background: linear-gradient(160deg, rgba(20, 24, 42, 0.96), rgba(28, 16, 32, 0.96));
  border: 1px solid rgba(63, 140, 255, 0.32);
  border-radius: 18px;
  box-shadow: 0 18px 52px rgba(8, 10, 18, 0.5), 0 0 32px rgba(63, 140, 255, 0.2);
  animation: game-card-pop 0.32s cubic-bezier(.2,.7,.3,1.2) both;
}
@keyframes game-card-pop {
  from { transform: scale(0.78); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.game-event-close {
  position: absolute;
  top: 10px;
  right: 12px;
}
.game-event-title {
  font: 700 16px/1.4 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.1em;
  color: #3f8cff;
  margin-bottom: 10px;
  padding-right: 24px;
}
.game-event-body { color: rgba(246, 248, 253, 0.88); }
.game-event-meta {
  display: inline-block;
  font: 11px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.12em;
  color: #7ce3a0;
  padding: 4px 10px;
  border: 1px solid rgba(124, 227, 160, 0.4);
  border-radius: 999px;
  margin-bottom: 12px;
}
.game-event-body p {
  font: 14px/1.55 "PingFang SC", "Microsoft YaHei", sans-serif;
  margin: 0 0 10px;
}
.game-event-hint {
  font: 11px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 8px;
}

/* ============ 移动端适配 ============ */
@media (max-width: 720px) {
  .game-top {
    flex-wrap: wrap;
    padding: 0 var(--space-3);
    gap: 10px;
  }
  .game-stats { padding: 8px 10px; font-size: 11px; }
  .game-frame { margin: 0 var(--space-3) var(--space-3); }
  .game-start-desc, .game-end-score, .game-end-best { font-size: 12px; }
  .game-start-title, .game-end-title { font-size: 18px; }
}



@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ============ 世界地图（等距圆柱投影） ============ */
.game-grid-line {
  stroke: rgba(120, 150, 220, 0.10);
  stroke-width: 1;
}
.game-grid-line.is-prime {
  stroke: rgba(120, 150, 220, 0.22);
  stroke-width: 1.2;
}
.game-continent {
  fill: rgba(40, 56, 96, 0.45);
  stroke: rgba(120, 170, 255, 0.35);
  stroke-width: 1;
  stroke-linejoin: round;
}

/* ============ 追踪标记 ============ */
.game-markers { pointer-events: none; }
.game-marker { transition: opacity .2s ease; }
.game-marker-ring {
  fill: none;
  stroke: var(--mc, #3f8cff);
  stroke-width: 1.4;
  opacity: 0.55;
}
.game-marker-pulse {
  fill: var(--mc, #3f8cff);
  opacity: 0.25;
  transform-box: fill-box;
  transform-origin: center;
  animation: game-marker-ping 2.6s ease-out infinite;
}
@keyframes game-marker-ping {
  0%   { transform: scale(0.5); opacity: 0.5; }
  70%  { transform: scale(1.9); opacity: 0; }
  100% { transform: scale(1.9); opacity: 0; }
}
.game-marker-core {
  fill: var(--mc, #3f8cff);
  stroke: rgba(255, 255, 255, 0.85);
  stroke-width: 1;
  filter: drop-shadow(0 0 6px var(--mc, #3f8cff));
}
.game-marker-tag {
  fill: #0a0e1c;
  font: 700 7px/1 var(--mono, "JetBrains Mono", monospace);
  pointer-events: none;
}
.game-marker-check {
  fill: none;
  stroke: #7ce3a0;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
  transition: opacity .2s ease;
}
.game-marker.is-seen .game-marker-check { opacity: 1; }
.game-marker.is-seen .game-marker-ring { stroke: #7ce3a0; stroke-dasharray: 3 3; }
.game-marker.is-seen .game-marker-core { fill: #7ce3a0; filter: drop-shadow(0 0 6px #7ce3a0); }

/* ============ 类别筛选 ============ */
.game-filters {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  padding: 8px 10px;
  background: rgba(16, 20, 36, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  backdrop-filter: blur(14px);
  z-index: 5;
}
.gf-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: transparent;
  color: rgba(246, 248, 253, 0.55);
  font: 12px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all .2s ease;
}
.gf-btn .gf-dot { width: 8px; height: 8px; border-radius: 50%; opacity: 0.4; transition: opacity .2s ease; }
.gf-btn:hover { color: #f6f8fd; border-color: rgba(255, 255, 255, 0.3); }
.gf-btn.is-active {
  color: #f6f8fd;
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
}
.gf-btn.is-active .gf-dot { opacity: 1; }

/* ============ 悬停提示 ============ */
.game-tooltip {
  position: absolute;
  transform: translate(-50%, -100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 10px;
  background: rgba(12, 16, 30, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  pointer-events: none;
  white-space: nowrap;
  z-index: 6;
}
.game-tooltip b { font: 13px/1.2 "PingFang SC", "Microsoft YaHei", sans-serif; color: #f6f8fd; }
.game-tooltip .gt-cat {
  font: 10px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.1em;
  color: rgba(124, 227, 160, 0.85);
}

/* ============ 重叠标记选择器 ============ */
.game-chooser {
  position: absolute;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
  min-width: 150px;
  background: rgba(12, 16, 30, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(8, 10, 18, 0.5);
  z-index: 7;
}
.gc-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: #f6f8fd;
  font: 12px/1 "PingFang SC", "Microsoft YaHei", sans-serif;
  text-align: left;
  cursor: pointer;
  transition: background .15s ease;
}
.gc-btn:hover { background: rgba(255, 255, 255, 0.12); }
.gc-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }

/* ============ 重置按钮 ============ */
.game-reset { font-size: 16px; line-height: 1; }

/* ============ 事件卡片扩展 ============ */
.game-event-loc {
  font: 12px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.08em;
  color: rgba(246, 248, 253, 0.7);
  margin: 8px 0 4px;
}
.clue-list { margin: 8px 0 4px; padding-left: 18px; }
.clue-list li {
  font: 13px/1.5 "PingFang SC", "Microsoft YaHei", sans-serif;
  color: rgba(246, 248, 253, 0.86);
  margin-bottom: 6px;
}
.clue-list li b { color: #ff8a8e; }

/* ============ 移动端适配（追踪器） ============ */
@media (max-width: 720px) {
  .game-filters { gap: 5px; padding: 6px 7px; bottom: 10px; flex-wrap: wrap; justify-content: center; max-width: 92%; }
  .gf-btn { padding: 5px 9px; font-size: 11px; }
  .game-tooltip { font-size: 11px; }
}

/* ============ 事件卡片：图片 + 网页链接 ============ */
.game-event-body { max-height: 62vh; overflow-y: auto; }
.game-event-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  margin: 4px 0 12px;
  background: rgba(0, 0, 0, 0.25);
}
.game-event-banner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background:
    radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--mc) 35%, transparent), transparent 60%),
    radial-gradient(circle at 75% 70%, color-mix(in srgb, var(--mc) 25%, transparent), transparent 60%),
    linear-gradient(140deg, #0c1020, #161a2e);
  border: 1px solid color-mix(in srgb, var(--mc) 40%, transparent);
}
.game-event-banner span {
  font: 700 13px/1 var(--mono, "JetBrains Mono", monospace);
  color: var(--mc);
  letter-spacing: 0.2em;
}
.game-event-banner b {
  font: 700 20px/1.2 "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #f6f8fd;
}
.game-event-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.game-event-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 6px 0 4px;
  padding: 9px 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3f8cff, #2f6fe0);
  color: #fff;
  font: 13px/1 var(--mono, "JetBrains Mono", monospace);
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: filter .2s ease, transform .15s ease;
}
.game-event-link:hover { filter: brightness(1.12); transform: translateY(-1px); }
.game-event-link:active { transform: translateY(0); }

/* ===== 崭新之日 (BRAND NEW DAY) 片尾特别篇入口卡片 ===== */
.bnd-card {
  display: block;
  margin: clamp(1.8rem, 4vw, 2.8rem) auto 0;
  max-width: 520px;
  padding: 1.1rem 1.4rem;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  border: 1px solid color-mix(in oklch, var(--color-nebula-violet) 45%, transparent);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 140% at 0% 0%, color-mix(in oklch, var(--color-web-red) 22%, transparent), transparent 55%),
    radial-gradient(120% 140% at 100% 100%, color-mix(in oklch, var(--color-web-blue) 20%, transparent), transparent 55%),
    color-mix(in oklch, var(--color-space-800) 70%, transparent);
  backdrop-filter: blur(8px);
  box-shadow: 0 18px 50px -20px color-mix(in oklch, var(--color-nebula-violet) 70%, transparent);
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
  animation: rise-in 1s var(--ease-out) 0.5s both;
}
.bnd-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .10;
  background-image: radial-gradient(currentColor 1px, transparent 1.4px);
  background-size: 9px 9px;
  color: var(--color-lens);
}
.bnd-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in oklch, var(--color-web-red-bright) 70%, transparent);
  box-shadow: 0 24px 64px -18px color-mix(in oklch, var(--color-web-red) 70%, transparent);
}
.bnd-card-tag {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: .28em;
  color: var(--color-nebula-cyan);
  text-shadow: 0 0 14px color-mix(in oklch, var(--color-nebula-cyan) 60%, transparent);
  margin-bottom: .5rem;
}
.bnd-card-title {
  display: block;
  font-family: var(--font-logo);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  line-height: 1;
  letter-spacing: .06em;
  color: var(--color-web-red-bright);
  text-shadow: 0 0 28px color-mix(in oklch, var(--color-web-red) 55%, transparent), 0 3px 0 var(--color-space-900);
}
.bnd-card-cn {
  display: block;
  margin-top: .35rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--text-md);
  color: var(--color-lens);
  text-shadow: 0 0 18px color-mix(in oklch, var(--color-web-blue) 60%, transparent);
}
.bnd-card-go {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: .9rem;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--color-text-bright);
}
.bnd-card-go span { transition: transform var(--dur-med) var(--ease-out); }
.bnd-card:hover .bnd-card-go span { transform: translateX(5px); }