html, body, .content {
  margin: 0;
  /* height: 100%;
  width: 100%; */
}
body{
  font-family: PingFang SC;
  background: #000;
  min-width: 1300px;
  user-select: none;
}
.credit, .github {
  position: fixed;
  z-index: 1000;
  color: #555;
}

.credit a, .github a {
  color: #555;
  text-decoration: none;
}

.credit a:hover, .github a:hover {
  color: #FFF;
  text-shadow: 0 0 8px #6BFF38;
  transition: all 0.2s ease-out;
}

.credit {
  top: 10px;
  left: 10px;
}

.github {
  top: 10px;
  right: 10px;
}

.help {
  position: fixed;
  z-index: 1000;
  color: #6BFF38;
  text-align: center;
  bottom: 60px;
  width: 100%;
  font-size: 30px;
}

/* .blink {
  background-color: #6BFF38;
  position: relative;
  display: inline-block;
  width: 4px;
  top: 8px;
  height: 33px;
  margin-left: 15px;
  animation: 0.8s blink infinite;
} */

.btok_b{
  position: fixed;
  z-index: 10;
  top: 25%;
  left: 25%;

}
.b{
  display: none;
  position: fixed;
  top: 25%;
  z-index: 11;
  left: 25%;
  
}
.btok_t{
  position: fixed;
  z-index: 10;
  top: 25%;
  left: 40%;

}
.t{
  display: none;
  position: fixed;
  top: 25%;
  z-index: 11;
  left: 40%;
  
}
.btok_o{
  position: fixed;
  z-index: 10;
  top: 25%;
  left: 55%;

}
.o{
  display: none;
  position: fixed;
  top: 25%;
  z-index: 11;
  left: 55%;
  
}
.btok_k{
  position: fixed;
  z-index: 10;
  top: 25%;
  left: 70%;

}
.k{
  display: none;
  position: fixed;
  top: 25%;
  z-index: 11;
  left: 70%;
  
}

.animb{
  display: block;
  animation:b 3s ease;
}
.animt{
  display: block;
  animation:t 3s ease;
}
.animo{
  display: block;
  animation:o 3s ease;
}
.animk{
  display: block;
  animation:k 3s ease-in-out  ;
}
@keyframes b
{
	0%   {left:10%; top:1000px;}
	50% { left:18; top:-100px;}
  85%   {left:25%; top:25%;transform:scale(1);}
  90%   {left:25%; top:25%;transform:scale(1.5);}
	100% { left:25%; top:25%;}
}
@keyframes t
{
	0%   {left:600px; top:1000px;transform:scale(1);}
	50%   { left:750px; top:-100px;}
  85%   {left:40%; top:25%;transform:scale(1);}
  90%   {left:40%; top:25%;transform:scale(1.5);}
	100% {left:40%; top:25%;transform:scale(1); }
}
@keyframes o
{
	0%   {left:1200px; top:1000px;}
	50% { left:1000px; top:-100px;}
  85%   {left:55%; top:25%;transform:scale(1);}
  90%   {left:55%; top:25%;transform:scale(1.5);}
	100% { left:55%; top:25%; transform:scale(1);}
}
@keyframes k
{
	0%   {left:1000px; top:1000px;}
	50% { left:1100px; top:-100px;}
  85%   {left:70%; top:25%;transform:scale(1);}
  90%   {left:70%; top:25%;transform:scale(1.5);}
	100% { left:70%; top:25%;transform:scale(1);}
}
@keyframes blink {
  0% {
    opacity: 0;
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

.doc-btn {
  position: absolute;
  bottom: 0.2rem;
  right: 0.3rem;
  z-index: 10;
}
.doc-btn a {
  display: block;
  width: 90px;
  height: 40px;
  line-height: 40px;
  border-radius: 40px;
  text-align: center;
  background: linear-gradient(-90deg, #FF9900, #FFBD00);
  font-family: PingFang SC;
  font-weight: 500;
  font-size: 15px;
  color: #FFFFFF;
}

.hidden {
  display: none !important;
}