/* ===== 主题令牌：新增颜色时优先使用变量，避免浅/深色模式失配。 ===== */
:root {
  --bg: #f1f0ea;
  --card: #fff;
  --bd: #cfcdbf;
  --tx: #232323;
  --mu: #6b6a60;
  --y: #8a7a00;
  --y2: #b3a200;
  --r: #c2185b;
  --b: #4a56c9;
  --m: #0b7a64;
  --on-dark: #f5f4ee;
  color-scheme: light;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141414;
    --card: #1b1c1e;
    --bd: #2c2e31;
    --tx: #d9dcdf;
    --mu: #8b9096;
    --y: #e6da3a;
    --y2: #8f861f;
    --r: #ff2d62;
    --b: #7d88ee;
    --m: #cdf5ea;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #141414;
  --card: #1b1c1e;
  --bd: #2c2e31;
  --tx: #d9dcdf;
  --mu: #8b9096;
  --y: #e6da3a;
  --y2: #8f861f;
  --r: #ff2d62;
  --b: #7d88ee;
  --m: #cdf5ea;
  color-scheme: dark;
}
/* ===== 页面骨架与移动端安全区 ===== */
html {
  scroll-padding-top: env(safe-area-inset-top, 0px);
}
* {
  box-sizing: border-box;
  margin: 0;
  -webkit-tap-highlight-color: transparent;
}
html,
body {
  height: 100%;
}
body {
  background: var(--bg);
  color: var(--tx);
  font:
    14px/1.6 "Noto Sans TC",
    "PingFang TC",
    "Microsoft JhengHei",
    system-ui,
    sans-serif;
  overflow: hidden;
}
#app {
  height: 100%;
  display: grid;
  grid-template: "top" auto "main" 1fr "nav" auto/minmax(0, 1fr);
  background: radial-gradient(
    70% 36% at 50% 0,
    color-mix(in srgb, var(--y) 9%, transparent),
    transparent
  );
}
#top {
  grid-area: top;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--bd);
}
.logo small {
  display: block;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--mu);
  line-height: 1;
}
.logo b {
  font:
    600 20px/1.1 "Chakra Petch",
    Rajdhani,
    Bahnschrift,
    "Noto Sans TC",
    sans-serif;
  letter-spacing: 1px;
  color: var(--y);
  text-shadow: 0 0 14px color-mix(in srgb, var(--y) 45%, transparent);
}
.res {
  text-align: right;
  line-height: 1.1;
}
#dv {
  font:
    600 24px "Chakra Petch",
    Rajdhani,
    Bahnschrift,
    sans-serif;
  color: var(--y);
}
.res small,
.res em {
  color: var(--mu);
  font-style: normal;
  font-size: 12px;
  margin-left: 6px;
}
#main {
  grid-area: main;
  overflow-y: auto;
  padding: 14px;
}
.wrap {
  max-width: 1000px;
  margin: 0 auto;
}
.kick {
  text-align: center;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--y);
  margin-top: 6px;
}
.ttl {
  text-align: center;
  font:
    600 clamp(26px, 6vw, 38px) / 1.2 "Chakra Petch",
    Rajdhani,
    Bahnschrift,
    "Noto Sans TC",
    "Microsoft JhengHei",
    sans-serif;
  color: var(--y);
  text-shadow: 0 0 18px color-mix(in srgb, var(--y) 40%, transparent);
}
.sub {
  text-align: center;
  color: var(--mu);
  font-size: 13px;
  margin: 4px 0 14px;
}
.dv {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 8px;
  color: var(--mu);
  font-size: 11px;
  letter-spacing: 1px;
}
.dv::before,
.dv::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--bd);
}
/* ===== 可复用组件：卡片、按钮、数值与进度条 ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
  margin: 12px 0;
}
.cut {
  --c: 12px;
  position: relative;
  background: var(--bd);
  clip-path: polygon(
    0 0,
    calc(100% - var(--c)) 0,
    100% var(--c),
    100% 100%,
    var(--c) 100%,
    0 calc(100% - var(--c))
  );
}
.cut::before {
  content: "";
  position: absolute;
  inset: 1px;
  background: var(--card);
  clip-path: polygon(
    0 0,
    calc(100% - var(--c) + 1px) 0,
    100% calc(var(--c) - 1px),
    100% 100%,
    calc(var(--c) - 1px) 100%,
    0 calc(100% - var(--c) + 1px)
  );
}
.cut > * {
  position: relative;
}
.cut.y {
  background: var(--y2);
}
.cut.y::after {
  content: "";
  position: absolute;
  right: 1px;
  bottom: 1px;
  width: 16px;
  height: 16px;
  background: linear-gradient(
    135deg,
    transparent 50%,
    color-mix(in srgb, var(--y) 35%, transparent) 50%
  );
}
.card {
  padding: 16px;
  border: 0;
  text-align: left;
  color: var(--tx);
  font: inherit;
  display: block;
  width: 100%;
}
.card.hov {
  cursor: pointer;
  transition:
    background 0.2s,
    opacity 0.2s,
    transform 0.12s;
}
.card.hov:hover {
  background: var(--y);
}
.card.hov:active {
  transform: scale(0.985);
}
.card.no {
  opacity: 0.5;
}
.card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--col, var(--y));
  margin: 10px 0 4px;
}
.card p {
  font-size: 12.5px;
  color: var(--mu);
}
.ic {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--col, var(--y));
  background: color-mix(in srgb, var(--col, var(--y)) 14%, transparent);
}
.ic svg,
#nav svg {
  width: 20px;
  height: 20px;
}
.cost {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--bd);
  font-size: 12px;
}
.cost b {
  color: var(--y);
  font-weight: 600;
}
.tg {
  font-size: 10px;
  padding: 1px 7px;
  border: 1px solid var(--y2);
  color: var(--y);
}
.tg.dim {
  border-color: var(--bd);
  color: var(--mu);
}
.num {
  font:
    600 24px "Chakra Petch",
    Rajdhani,
    Bahnschrift,
    sans-serif;
  color: var(--tx) !important;
}
.go {
  display: block;
  width: 100%;
  max-width: 520px;
  margin: 14px auto;
  padding: 22px;
  border: 0;
  color: var(--y);
  font:
    600 18px/1.2 "Noto Sans TC",
    "Microsoft JhengHei",
    sans-serif;
  text-align: center;
  cursor: pointer;
  text-shadow: 0 0 14px color-mix(in srgb, var(--y) 45%, transparent);
  transition:
    transform 0.12s,
    background 0.2s;
}
.go::before {
  background: color-mix(in srgb, var(--y) 8%, var(--card));
}
.go:active {
  transform: scale(0.98);
  background: var(--y);
  color: var(--tx);
}
.face {
  font: 20px/1.2 monospace;
  color: var(--y);
  text-shadow: 0 0 12px color-mix(in srgb, var(--y) 40%, transparent);
  margin: 10px 0 6px;
  animation: bob 3s ease-in-out infinite;
}
.bar {
  height: 6px;
  background: var(--bd);
  margin-top: 12px;
}
.bar i {
  display: block;
  height: 100%;
  background: var(--y);
  transition: width 0.3s;
}
#logc {
  margin-top: 18px;
}
#logc h3 {
  font-size: 12px;
  color: var(--mu);
  font-weight: 600;
  margin: 0 0 6px;
}
#term {
  height: 92px;
  overflow-y: auto;
  font-size: 12px;
  color: var(--mu);
}
#term div::before {
  content: "> ";
  color: var(--y);
}
#term .ok {
  color: var(--m);
}
#term .ai {
  color: var(--r);
}
#term .bad {
  color: var(--r);
}
textarea {
  width: 100%;
  height: 70px;
  background: var(--card);
  color: var(--tx);
  border: 1px solid var(--bd);
  padding: 8px;
  font: 11px monospace;
  margin-top: 6px;
}
/* ===== 底部/侧边导航；桌面断点会在下方覆盖布局。 ===== */
#nav {
  grid-area: nav;
  display: flex;
  background: var(--card);
  border-top: 1px solid var(--bd);
}
#nav button {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 0;
  background: none;
  border: 0;
  border-top: 2px solid transparent;
  color: var(--mu);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
  transition: color 0.2s;
}
#nav .on {
  color: var(--y);
  border-top-color: var(--y);
}
.fl {
  position: fixed;
  transform: translate(-50%, -50%);
  color: var(--y);
  font-weight: 700;
  pointer-events: none;
  z-index: 9;
  animation: fl 0.7s ease-out forwards;
  text-shadow: 0 0 8px var(--bg);
}
@keyframes fl {
  to {
    transform: translate(-50%, -190%);
    opacity: 0;
  }
}
@keyframes bob {
  50% {
    transform: translateY(-3px);
  }
}
@media (min-width: 900px) {
  #app {
    grid-template: "top top" auto "nav main" 1fr/210px minmax(0, 1fr);
  }
  #nav {
    flex-direction: column;
    border-top: 0;
    border-right: 1px solid var(--bd);
    padding: 12px 8px;
    gap: 6px;
  }
  #nav button {
    flex: none;
    flex-direction: row;
    gap: 12px;
    padding: 12px 14px;
    border: 0;
    border-left: 2px solid transparent;
    font-size: 14px;
    justify-content: flex-start;
  }
  #nav .on {
    border-left-color: var(--y);
    background: color-mix(in srgb, var(--y) 10%, transparent);
  }
  #term {
    height: 120px;
  }
}
.bar.bE i {
  background: var(--m);
}
.bar.bM i {
  background: var(--r);
}
#nav button {
  font-size: 10px;
}
/* ===== 剧情弹层：内容由 #ovb 动态追加，必须允许内部滚动。 ===== */
#ov {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fade 0.25s;
}
#ov[hidden] {
  display: none;
}
#ov .box {
  max-width: 460px;
  max-height: 86vh;
  overflow: auto;
}
#ov .kick {
  text-align: left;
}
#ovt {
  font:
    600 22px "Chakra Petch",
    Rajdhani,
    Bahnschrift,
    "Noto Sans TC",
    "Microsoft JhengHei",
    sans-serif;
  color: var(--y);
  margin: 4px 0 10px;
}
#ov p {
  margin: 8px 0;
  font-size: 13.5px;
  color: var(--tx);
}
#ov .go {
  margin: 14px 0 0;
  max-width: none;
  padding: 14px;
  font-size: 15px;
}
.sp {
  display: inline-block;
  min-width: 44px;
  margin-right: 8px;
  font-size: 12px;
  letter-spacing: 1px;
}
.sp.r {
  color: var(--r);
}
.sp.b {
  color: var(--b);
}
.sp.y {
  color: var(--y);
}
@keyframes fade {
  from {
    opacity: 0;
  }
}
.bl {
  margin-top: 10px;
  font-size: 12px;
  color: var(--mu);
  min-height: 60px;
}
.bl div::before {
  content: "> ";
  color: var(--y);
}
.bl .ok {
  color: var(--m);
}
.bl .ai {
  color: var(--r);
}
.bl .bad {
  color: var(--r);
}
/* ===== 视觉强化层：旧样式的补充令牌与赛博细节。 ===== */
:root {
  --w: #232323;
}
:root[data-theme="dark"] {
  --bg: #0c0d0e;
  --card: #141516;
  --bd: #2a2d30;
  --tx: #c9cdd1;
  --mu: #868b91;
  --y: #f3e62d;
  --y2: #a89d1a;
  --r: #e03cc0;
  --b: #46cdf0;
  --m: #44e07f;
  --w: #e8eaec;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0d0e;
    --card: #141516;
    --bd: #2a2d30;
    --tx: #c9cdd1;
    --mu: #868b91;
    --y: #f3e62d;
    --y2: #a89d1a;
    --r: #e03cc0;
    --b: #46cdf0;
    --m: #44e07f;
    --w: #e8eaec;
  }
}
#top {
  padding: 10px 14px;
  gap: 12px;
}
.hud {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}
.lvb {
  flex: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--w);
  display: grid;
  place-items: center;
  align-content: center;
  line-height: 1;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}
.lvb small {
  font-size: 8px;
  color: var(--mu);
  letter-spacing: 1px;
}
.lvb b {
  font:
    600 17px "Chakra Petch",
    sans-serif;
  color: var(--w);
}
.hb {
  flex: 1;
  min-width: 0;
}
.hbar {
  position: relative;
  height: 15px;
  background: var(--bd);
  overflow: hidden;
}
.hbar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: color-mix(in srgb, var(--m) 70%, #000);
  transition: width 0.3s;
}
.hbar b {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font:
    500 10px "Chakra Petch",
    monospace;
  color: #fff;
  letter-spacing: 0.5px;
}
.hm {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--mu);
  margin-top: 3px;
}
#dv {
  font:
    600 12px "Chakra Petch",
    sans-serif;
  color: var(--y);
}
.hm em {
  font-style: normal;
  color: var(--m);
}
.logo {
  text-align: right;
  flex: none;
}
.logo b {
  font-size: 15px;
}
.dv {
  display: block;
  border: 1px solid var(--bd);
  background: var(--card);
  padding: 5px 12px;
  margin: 20px 0 10px;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--w);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - 8px),
    calc(100% - 8px) 100%,
    0 100%
  );
}
.dv::before,
.dv::after {
  content: none;
}
.hh {
  padding: 18px 18px 16px;
  min-height: 118px;
  margin-bottom: 4px;
}
.hh::before {
  background: linear-gradient(
    160deg,
    #050505 0%,
    #15161a 60%,
    color-mix(in srgb, var(--y) 9%, #0d0e0f) 100%
  );
}
.hh .ttl {
  text-align: left;
  font-size: clamp(26px, 5vw, 34px);
}
.hh .sub {
  text-align: left;
  color: var(--on-dark);
  margin: 4px 0 12px;
  font-size: 12.5px;
}
.chip {
  display: inline-block;
  font-size: 11px;
  border: 1px solid var(--y);
  color: var(--y);
  padding: 0 7px;
  line-height: 1.6;
  letter-spacing: 1px;
}
#term::after {
  content: "_";
  color: var(--y);
  animation: blink 1s steps(2) infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}
/* ===== REV SVG 角色与状态动画 ===== */
.rvw {
  position: relative;
  width: min(230px, 62vw);
  margin: 4px auto;
  filter: drop-shadow(0 0 12px color-mix(in srgb, var(--rc) 40%, transparent));
}
.rvs .rvw {
  width: 110px;
}
.rvw svg {
  width: 100%;
  height: auto;
  overflow: visible;
  display: block;
}
.pf {
  animation: flo 3.4s ease-in-out infinite;
}
.shd {
  transform-box: fill-box;
  transform-origin: center;
  animation: shd 3.4s ease-in-out infinite;
}
.bk {
  transform-box: fill-box;
  transform-origin: center;
  animation: bk 4.5s infinite;
}
.cr,
.sp {
  animation: cr 1.6s ease-in-out infinite;
}
.ring,
.halo {
  transform-box: fill-box;
  transform-origin: center;
  animation: spin 12s linear infinite;
}
.zz {
  animation: zz 2.6s infinite;
}
.zz2 {
  animation: zz 2.6s 0.9s infinite;
}
.tw {
  transform-box: fill-box;
  transform-origin: center;
  animation: tw 2s infinite;
}
.jet {
  transform-box: fill-box;
  transform-origin: top;
  animation: jet 0.5s ease-in-out infinite alternate;
}
.arm {
  transform-box: fill-box;
  transform-origin: 50% 10%;
}
.hp .arm {
  animation: wv 1s ease-in-out infinite alternate;
}
.hp .arm.r {
  animation-direction: alternate-reverse;
}
@keyframes flo {
  50% {
    transform: translateY(-7px);
  }
}
@keyframes shd {
  50% {
    transform: scale(0.85);
    opacity: 0.2;
  }
}
@keyframes bk {
  0%,
  92%,
  100% {
    transform: scaleY(1);
  }
  95% {
    transform: scaleY(0.1);
  }
}
@keyframes cr {
  50% {
    opacity: 0.4;
  }
}
@keyframes zz {
  0% {
    opacity: 0;
    transform: translate(0, 6px);
  }
  40% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate(6px, -14px);
  }
}
@keyframes tw {
  50% {
    opacity: 0.2;
    transform: scale(0.6);
  }
}
@keyframes jet {
  to {
    transform: scaleY(1.4);
    opacity: 0.3;
  }
}
@keyframes wv {
  to {
    transform: rotate(-18deg);
  }
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.flow {
  height: 16px;
  margin-top: 10px;
  background: repeating-linear-gradient(
    90deg,
    var(--y) 0 8px,
    transparent 8px 22px
  );
  background-size: 22px 100%;
  opacity: 0.55;
  -webkit-mask: linear-gradient(
    90deg,
    transparent,
    #000 20%,
    #000 80%,
    transparent
  );
  mask: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
  animation: flw 1.2s linear infinite;
}
@keyframes flw {
  to {
    background-position: 22px 0;
  }
}
.card.run .ic {
  animation: pulse 2s ease-in-out infinite;
}
.cut.run::after {
  content: "";
  position: absolute;
  left: 1px;
  right: 1px;
  bottom: 1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--col), transparent)
    no-repeat;
  background-size: 40% 100%;
  animation: run 1.6s linear infinite;
}
.ic.pls {
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  50% {
    transform: scale(1.12);
  }
}
@keyframes run {
  from {
    background-position: -60% 0;
  }
  to {
    background-position: 160% 0;
  }
}
.bar i,
.hbar i {
  overflow: hidden;
}
.bar i {
  position: relative;
}
.bar i::after,
.hbar i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.35),
    transparent
  );
  transform: translateX(-100%);
  animation: shm 1.6s infinite;
}
@keyframes shm {
  to {
    transform: translateX(100%);
  }
}
.fx {
  position: absolute !important;
  right: 22px;
  top: 14px;
  color: var(--col, var(--y));
  font:
    600 12px "Chakra Petch",
    sans-serif;
  pointer-events: none;
  animation: fx 1.2s ease-out forwards;
}
@keyframes fx {
  to {
    transform: translateY(-14px);
    opacity: 0;
  }
}
#undo {
  position: fixed;
  right: 12px;
  bottom: calc(74px + env(safe-area-inset-bottom, 0px));
  z-index: 8;
  border: 0;
  padding: 9px 16px;
  font:
    600 12px "Noto Sans TC",
    "Microsoft JhengHei",
    sans-serif;
  color: var(--y);
  cursor: pointer;
  --card: #111;
}
#undo[hidden] {
  display: none;
}
@media (min-width: 900px) {
  #undo {
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }
}
/* ===== 程式购买模式、提示、教学高亮 ===== */
.bms {
  display: flex;
  gap: 8px;
  margin: 12px 0 0;
}
.bms button {
  flex: 1;
  padding: 8px;
  border: 1px solid var(--bd);
  background: var(--card);
  color: var(--mu);
  font:
    600 13px "Chakra Petch",
    "Noto Sans TC",
    sans-serif;
  cursor: pointer;
  transition:
    color 0.2s,
    border-color 0.2s,
    background 0.2s;
}
.bms small {
  display: block;
  margin-top: 2px;
  font: 10px/1.25 "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  opacity: 0.75;
}

/* ===== 回合战斗：血条、韧性条与行动按钮 ===== */
.battle { margin-top: 12px; }
.battle-head, .bt-label { display: flex; justify-content: space-between; gap: 12px; }
.battle-head { color: var(--y); font-weight: 600; margin-bottom: 8px; }
.battle-head small, .enemy-card small, .intent, .status { color: var(--mu); font-size: 11px; }
.bt-label { margin-top: 8px; color: var(--mu); font-size: 11px; }
.bt-label b { color: var(--tx); font-weight: 600; }
.bar.ally i { background: var(--m); }
.bar.energy i { background: var(--y); }
.bar.enemy i { background: var(--r); }
.bar.tough i { background: var(--b); }
.enemy-card { border: 1px solid var(--bd); background: color-mix(in srgb, var(--r) 5%, var(--card)); padding: 10px; margin-top: 14px; }
.enemy-name { color: var(--r); font-weight: 600; margin-bottom: 2px; }
.intent { margin-top: 11px; border-left: 2px solid var(--y); padding-left: 8px; }
.status { margin-top: 6px; color: var(--b); }
.battle-log { margin-top: 12px; min-height: 72px; max-height: 132px; overflow: auto; border-top: 1px dashed var(--bd); border-bottom: 1px dashed var(--bd); padding: 8px 0; font-size: 11px; color: var(--mu); }
.battle-log .ok { color: var(--m); }
.battle-log .bad { color: var(--r); }
.battle-log .ai { color: var(--b); }
.battle-actions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 12px; }
.battle-actions button { border: 1px solid var(--bd); background: var(--card); color: var(--tx); padding: 9px 6px; cursor: pointer; font: 600 12px "Noto Sans TC", sans-serif; }
.battle-actions button.on { border-color: var(--y); color: var(--y); }
.battle-actions button:disabled { opacity: .38; cursor: not-allowed; }
.battle-actions small { color: var(--mu); font-weight: 500; }
.bms .on {
  border-color: var(--y);
  color: var(--y);
  background: color-mix(in srgb, var(--y) 10%, transparent);
}
#toast {
  position: fixed;
  top: calc(12px + env(safe-area-inset-top, 0px));
  left: 50%;
  transform: translate(-50%, -40px);
  opacity: 0;
  z-index: 30;
  padding: 9px 20px;
  font:
    600 13px "Noto Sans TC",
    "Microsoft JhengHei",
    sans-serif;
  color: var(--y);
  pointer-events: none;
  transition:
    transform 0.35s,
    opacity 0.35s;
  --card: #111;
  white-space: nowrap;
}
#toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}
#ov .nr {
  color: var(--mu);
  font-style: italic;
}
.skp {
  display: block;
  text-align: center;
  margin-top: 10px;
  color: var(--mu);
  font-size: 12px;
  cursor: pointer;
}
#tut {
  margin-bottom: 12px;
  padding: 12px 14px;
}
#tut[hidden] {
  display: none;
}
#tut .tk {
  font-size: 13px;
  line-height: 1.7;
  color: var(--tx);
}
#tut .tk b {
  color: var(--y);
}
.tb {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}
.tb button {
  background: none;
  border: 1px solid var(--bd);
  color: var(--mu);
  padding: 5px 12px;
  font:
    600 12px "Noto Sans TC",
    "Microsoft JhengHei",
    sans-serif;
  cursor: pointer;
}
.tb button:first-child {
  border-color: var(--y);
  color: var(--y);
}
.gd p {
  font-size: 12.5px;
  line-height: 1.7;
  margin: 0 0 6px;
  color: var(--mu);
}
.gd b {
  color: var(--y);
}
.hl:not(.cut) {
  outline: 2px solid var(--y);
  outline-offset: -2px;
  animation: hlo 1.2s ease-in-out infinite;
}
.cut.hl {
  animation: hlc 1.2s ease-in-out infinite;
}
@keyframes hlo {
  50% {
    outline-color: transparent;
    box-shadow: 0 0 14px var(--y);
  }
}
@keyframes hlc {
  50% {
    background: #fff;
  }
}
#tut {
  position: sticky;
  top: 0;
  z-index: 5;
}
.tl #nav button:not(.hl) {
  opacity: 0.3;
}
.tl #view .card:not(.hl),
.tl #view .go:not(.hl) {
  opacity: 0.35;
}