/* 3D 坦克大战 · 移动端触控 */
#tankTouch{position:fixed;inset:0;z-index:70;pointer-events:none;touch-action:none;display:none}
@media (pointer:coarse),(max-width:820px){#tankTouch{display:block}}
#ttStick{position:absolute;left:16px;bottom:20px;width:118px;height:118px;pointer-events:auto;display:flex;flex-direction:column;align-items:center;gap:3px;user-select:none}
#ttStickBase{width:104px;height:104px;border-radius:50%;background:rgba(8,14,20,.4);border:1px solid rgba(255,255,255,.28);position:relative;backdrop-filter:blur(4px)}
#ttStickKnob{position:absolute;left:50%;top:50%;width:46px;height:46px;border-radius:50%;transform:translate(-50%,-50%);
  background:linear-gradient(135deg,rgba(210,230,160,.95),rgba(138,154,47,.9));border:1px solid rgba(255,255,255,.4);box-shadow:0 4px 18px rgba(0,0,0,.4)}
#ttStick > span{font-size:9px;color:rgba(255,255,255,.6);font-weight:700;letter-spacing:.1em}
#ttActions{position:absolute;right:16px;bottom:22px;display:flex;gap:8px;align-items:flex-end;pointer-events:none}
#ttActions button{pointer-events:auto;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:50%;font:800 12px/1 inherit;backdrop-filter:blur(4px)}
#ttFire{width:76px;height:76px;background:radial-gradient(circle at 35% 30%,#f87171,#991b1b);font-size:14px!important}
#ttReload{width:52px;height:52px;background:rgba(20,30,40,.6);margin-bottom:8px}
body.tank-mobile #tankTouch{display:block}
body.at-menu #tankTouch{display:none!important}