/* ✅ 锁死滚动，但保留回弹  foot.css*/

html, body {

    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    touch-action: pan-y;
}

::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.35);
}

::-webkit-scrollbar-corner {
  background: transparent;
}

.hang{ clear: both; height: 10px;width: 100%; overflow: hidden; display: block;}
.bottomblank{clear: both; margin-top: 8rem; }
.bottom{height: 5.5rem; line-height: 5.5rem;background-color: var(--bg-color);}
.navdiyfoot {
  position: fixed;
  bottom: 0;
  left: 50%;               /* 关键点 1 */
  transform: translateX(-50%); /* 关键点 2 */
  width: 100%;
  max-width: 480px;        /* 关键点 3 */
  min-height: 5.5rem;
  background-color: rgb(246 246 246 / 0.7);
  box-shadow: 0 0 0 0.5px #d6d6d6;
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 2;

  /* 安全区域 */
  padding-bottom: constant(safe-area-inset-bottom);
  padding-bottom: env(safe-area-inset-bottom);

  /* 毛玻璃 */
  backdrop-filter: blur(2rem);
  -webkit-backdrop-filter: blur(2rem);
}
.navdiyfoot a i{position:relative;width:3rem;height:1.8rem;margin:0 auto;display:block;margin-top:.8rem; font-size:1.6rem;text-align: center;}
.navdiyfoot a font{width:5.5rem;overflow:hidden;margin:.2rem auto 0 auto;display:block;color:#515154;font-size:1.2rem;height:1.6rem;line-height:1.6rem;transform: scale(.9); text-align: center;font-size:12px;}
.navdiyfoot a{width:25%;height:5.5rem;display:block;float:left;  }
.navdiyfoot a img{width:2.2rem;height:2.2rem;object-fit:cover;-webkit-object-fit:cover;display:block;margin:.5rem auto .2rem auto;border-radius:.3rem}
.navdiyfoot a span{display:block;position:absolute;min-width:1.4rem;padding:0 .3rem;height:2rem;line-height:2rem;font-size:1.2rem;border-radius:1.2rem 1.2rem 1.2rem .5rem;right:-1rem;top:-.7rem;color:#fff;border:#fff .1rem solid;transform:scale(.8);font-family:Arial, Helvetica, sans-serif;background-color:#0192cb}
.navdiyfoot a.ed i{color:#0192cb;}
.navdiyfoot a.ed font{color:#0192cb; } 
.navdiyfoot a.ed:befor{color:#0192cb;} 
.navdiyfoot a.ed:after{color:#0192cb;} 

@media screen and (min-width: 320px) { html { font-size: 70%; } }