:root{
  --ink:#2E2E36;
  --ink-soft:#6E7280;
  --brand:#3B3856;
}
*{
  box-sizing:border-box;
  -webkit-tap-highlight-color:transparent;
  /* 移动端长按会弹出「复制 / 查词 / 翻译」的标注菜单，游戏里不需要 */
  -webkit-user-select:none;
  -moz-user-select:none;
  -ms-user-select:none;
  user-select:none;
  -webkit-touch-callout:none;
}
html,body{
  margin:0;padding:0;height:100%;overflow:hidden;
  overscroll-behavior:none;touch-action:none;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:#D3D8E0;
  color:var(--ink);
  /* 双击缩放和长按标注一并关掉 */
  -webkit-text-size-adjust:100%;
  -webkit-touch-callout:none;
}
#game{
  display:block;position:fixed;inset:0;width:100%;height:100%;
  touch-action:none;
  -webkit-user-select:none;user-select:none;
  -webkit-touch-callout:none;
  pointer-events:auto;
}

/* ---------- 计分（原版样式：左上角深色圆角块） ---------- */
.hud{position:fixed;inset:0;pointer-events:none;z-index:20}
.hud-top{
  position:absolute;top:0;left:0;right:0;
  padding:calc(18px + env(safe-area-inset-top)) 18px 0;
  display:flex;align-items:flex-start;justify-content:space-between;
}
.score-box{display:flex;align-items:center;gap:10px}
.score{
  min-width:52px;height:52px;padding:0 12px;
  display:flex;align-items:center;justify-content:center;
  background:#3A3A44;border-radius:13px;
  color:#fff;font-size:30px;font-weight:700;line-height:1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
  box-shadow:0 3px 10px rgba(60,65,80,.22);
}
.best{
  font-size:12.5px;color:#7B8090;font-weight:600;
  background:rgba(255,255,255,.55);
  border-radius:9px;padding:4px 9px;
}
.icon-btn{
  pointer-events:auto;
  width:44px;height:44px;border-radius:13px;border:0;
  background:rgba(255,255,255,.72);
  font-size:20px;color:#4A4E5C;cursor:pointer;
  box-shadow:0 3px 10px rgba(60,65,80,.16);
  touch-action:manipulation;
}
.hud-btns{display:flex;gap:9px}
.icon-btn.off{opacity:.45}
.icon-btn:active{transform:scale(.95)}

/* ---------- 提示 ---------- */
.hint{
  position:fixed;left:0;right:0;bottom:calc(58px + env(safe-area-inset-bottom));
  z-index:20;pointer-events:none;text-align:center;
}
.hint-inner{
  display:inline-block;
  background:rgba(255,255,255,.72);
  border-radius:16px;padding:11px 22px;
  box-shadow:0 6px 18px rgba(80,90,110,.14);
}
.hint b{display:block;font-size:15px;color:#3A3E4A}
.hint span{display:block;font-size:12.5px;color:#797E8C;margin-top:3px}

/* ---------- 飘字 ---------- */
.toast{
  position:fixed;left:50%;top:32%;z-index:60;
  transform:translate(-50%,10px) scale(.9);
  font-size:27px;font-weight:800;color:#FFFFFF;
  text-shadow:0 2px 10px rgba(60,70,90,.45), 0 0 2px rgba(60,70,90,.6);
  opacity:0;pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;
}
.toast.on{opacity:1;transform:translate(-50%,-14px) scale(1.06)}
.toast.perfect{color:#FFFFFF}

/* ---------- 弹窗 ---------- */
.mask{
  position:fixed;inset:0;z-index:200;
  background:rgba(52,58,74,.4);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.mask[hidden]{display:none}
.dialog{
  width:100%;max-width:330px;background:#fff;border-radius:20px;
  padding:24px 22px;text-align:center;
  box-shadow:0 22px 54px rgba(40,48,64,.32);
  animation:rise .2s ease;
}
@keyframes rise{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}
.dialog h3{margin:0 0 8px;font-size:20px;color:#2E2E36}
.dialog p{margin:0 0 18px;font-size:14.5px;color:#797E8C;line-height:1.75}
.dialog p b{color:#3B3856;font-size:20px}
.dialog .btn{width:100%}
.dialog .btn + .btn{margin-top:9px}
.btn{
  border:0;border-radius:14px;padding:13px 18px;
  font-size:15.5px;font-weight:700;cursor:pointer;font-family:inherit;
  background:#EDEFF3;color:#3A3E4A;
}
.btn-primary{
  background:linear-gradient(180deg,#4E4C74,#38364F);
  color:#fff;
  box-shadow:0 6px 16px rgba(56,54,79,.3);
}
.btn:active{transform:scale(.985)}
.ad-space{
  border:2px dashed #C9CEDB;border-radius:14px;
  background:linear-gradient(135deg,#F4F6FA 0%,#EAEEF6 100%);
  padding:30px 14px;margin-bottom:16px;
}
.ad-space-title{font-size:23px;font-weight:800;color:#3E4452;letter-spacing:4px}
.ad-space-sub{margin-top:7px;font-size:10.5px;letter-spacing:2.5px;color:#A9B0C0}
.ad-count{font-size:34px;font-weight:800;color:#3B3856;font-variant-numeric:tabular-nums;line-height:1.1}
.fall-anim{
  margin:2px auto 12px;
  width:132px;height:172px;
  display:flex;align-items:center;justify-content:center;
}
.fall-anim img{max-width:100%;max-height:100%;display:block}
.ad-note{font-size:11.5px;letter-spacing:1px;color:#A6ABB8;margin-top:2px}
.ad-space + .ad-count{margin-top:0}
.dialog .ad-count + .ad-note{margin-bottom:14px}