.centered {
	margin:5px auto;
  }
  
  .button::-moz-focus-inner{
	border: 0;
	padding: 0;
  }
  
  .button{
	display: inline-block;
	*display: inline;
	zoom: 1;
	padding: 6px 20px;
	margin: 0;
	cursor: pointer;
	border: 1px solid #bbb;
	overflow: visible;
	font: bold 13px arial, helvetica, sans-serif;
	text-decoration: none;
	white-space: nowrap;
	color: #555;
	
	background-color: #ddd;
	background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(255,255,255,1)), to(rgba(255,255,255,0)));
	background-image: -webkit-linear-gradient(top, rgba(255,255,255,1), rgba(255,255,255,0));
	background-image: -moz-linear-gradient(top, rgba(255,255,255,1), rgba(255,255,255,0));
	background-image: -ms-linear-gradient(top, rgba(255,255,255,1), rgba(255,255,255,0));
	background-image: -o-linear-gradient(top, rgba(255,255,255,1), rgba(255,255,255,0));
	background-image: linear-gradient(top, rgba(255,255,255,1), rgba(255,255,255,0));
	
	-webkit-transition: background-color .2s ease-out;
	-moz-transition: background-color .2s ease-out;
	-ms-transition: background-color .2s ease-out;
	-o-transition: background-color .2s ease-out;
	transition: background-color .2s ease-out;
	background-clip: padding-box; /* Fix bleeding */
	-moz-border-radius: 3px;
	-webkit-border-radius: 3px;
	border-radius: 3px;
	-moz-box-shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 2px 2px -1px rgba(0, 0, 0, .5), 0 1px 0 rgba(255, 255, 255, .3) inset;
	-webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 2px 2px -1px rgba(0, 0, 0, .5), 0 1px 0 rgba(255, 255, 255, .3) inset;
	box-shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 2px 2px -1px rgba(0, 0, 0, .5), 0 1px 0 rgba(255, 255, 255, .3) inset;
	text-shadow: 0 1px 0 rgba(255,255,255, .9);
	
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
  }
  
  .button:hover{
	background-color: #eee;
	color: #555;
  }
  
  .button:active{
	background: #e9e9e9;
	position: relative;
	top: 1px;
	text-shadow: none;
	-moz-box-shadow: 0 1px 1px rgba(0, 0, 0, .3) inset;
	-webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, .3) inset;
	box-shadow: 0 1px 1px rgba(0, 0, 0, .3) inset;
  }
  
  .button[disabled], .button[disabled]:hover, .button[disabled]:active{
	border-color: #eaeaea;
	background: #fafafa;
	cursor: default;
	position: static;
	color: #999;
	/* Usually, !important should be avoided but here it's really needed :) */
	-moz-box-shadow: none !important;
	-webkit-box-shadow: none !important;
	box-shadow: none !important;
	text-shadow: none !important;
  }
  
  /* Smaller buttons styles */
  
  .button.small{
	padding: 4px 12px;
  }
  
  /* Larger buttons styles */
  
  .button.large{
	padding: 12px 30px;
	text-transform: uppercase;
  }
  
  .button.large:active{
	top: 2px;
  }
  
  /* Colored buttons styles */
  
  .button.green, .button.red, .button.blue {
	color: #fff;
	text-shadow: 0 1px 0 rgba(0,0,0,.2);
	
	background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(255,255,255,.3)), to(rgba(255,255,255,0)));
	background-image: -webkit-linear-gradient(top, rgba(255,255,255,.3), rgba(255,255,255,0));
	background-image: -moz-linear-gradient(top, rgba(255,255,255,.3), rgba(255,255,255,0));
	background-image: -ms-linear-gradient(top, rgba(255,255,255,.3), rgba(255,255,255,0));
	background-image: -o-linear-gradient(top, rgba(255,255,255,.3), rgba(255,255,255,0));
	background-image: linear-gradient(top, rgba(255,255,255,.3), rgba(255,255,255,0));
  }
  
  /* */
  
  .button.green{
	background-color: #57a957;
	border-color: #57a957;
  }
  
  .button.green:hover{
	background-color: #62c462;
  }
  
  .button.green:active{
	background: #57a957;
  }
  
  /* */
  
  .button.red{
	background-color: #ca3535;
	border-color: #c43c35;
  }
  
  .button.red:hover{
	background-color: #ee5f5b;
  }
  
  .button.red:active{
	background: #c43c35;
  }
  
  /* */
  
  .button.blue{
	background-color: #269CE9;
	border-color: #269CE9;
  }
  
  .button.blue:hover{
	background-color: #70B9E8;
  }
  
  .button.blue:active{
	background: #269CE9;
  }
  
  /* */
  
  .green[disabled], .green[disabled]:hover, .green[disabled]:active{
	border-color: #57A957;
	background: #57A957;
	color: #D2FFD2;
  }
  
  .red[disabled], .red[disabled]:hover, .red[disabled]:active{
	border-color: #C43C35;
	background: #C43C35;
	color: #FFD3D3;
  }
  
  .blue[disabled], .blue[disabled]:hover, .blue[disabled]:active{
	border-color: #269CE9;
	background: #269CE9;
	color: #93D5FF;
  }
  
  /* Group buttons */
  
  .button-group,
  .button-group li{
	display: inline-block;
	*display: inline;
	zoom: 1;
  }
  
  .button-group{
	font-size: 0; /* Inline block elements gap - fix */
	margin: 0;
	padding: 0;
	background: rgba(0, 0, 0, .1);
	border-bottom: 1px solid rgba(0, 0, 0, .1);
	padding: 7px;
	-moz-border-radius: 7px;
	-webkit-border-radius: 7px;
	border-radius: 7px;
  }
  
  .button-group li{
	margin-right: -1px; /* Overlap each right button border */
  }
  
  .button-group .button{
	font-size: 13px; /* Set the font size, different from inherited 0 */
	-moz-border-radius: 0;
	-webkit-border-radius: 0;
	border-radius: 0;
  }
  
  .button-group .button:active{
	-moz-box-shadow: 0 0 1px rgba(0, 0, 0, .2) inset, 5px 0 5px -3px rgba(0, 0, 0, .2) inset, -5px 0 5px -3px rgba(0, 0, 0, .2) inset;
	-webkit-box-shadow: 0 0 1px rgba(0, 0, 0, .2) inset, 5px 0 5px -3px rgba(0, 0, 0, .2) inset, -5px 0 5px -3px rgba(0, 0, 0, .2) inset;
	box-shadow: 0 0 1px rgba(0, 0, 0, .2) inset, 5px 0 5px -3px rgba(0, 0, 0, .2) inset, -5px 0 5px -3px rgba(0, 0, 0, .2) inset;
  }
  
  .button-group li:first-child .button{
	-moz-border-radius: 3px 0 0 3px;
	-webkit-border-radius: 3px 0 0 3px;
	border-radius: 3px 0 0 3px;
  }
  
  .button-group li:first-child .button:active{
	-moz-box-shadow: 0 0 1px rgba(0, 0, 0, .2) inset, -5px 0 5px -3px rgba(0, 0, 0, .2) inset;
	-webkit-box-shadow: 0 0 1px rgba(0, 0, 0, .2) inset, -5px 0 5px -3px rgba(0, 0, 0, .2) inset;
	box-shadow: 0 0 1px rgba(0, 0, 0, .2) inset, -5px 0 5px -3px rgba(0, 0, 0, .2) inset;
  }
  
  .button-group li:last-child .button{
	-moz-border-radius: 0 3px 3px 0;
	-webkit-border-radius: 0 3px 3px 0;
	border-radius: 0 3px 3px 0;
  }
  
  .button-group li:last-child .button:active{
	-moz-box-shadow: 0 0 1px rgba(0, 0, 0, .2) inset, 5px 0 5px -3px rgba(0, 0, 0, .2) inset;
	-webkit-box-shadow: 0 0 1px rgba(0, 0, 0, .2) inset, 5px 0 5px -3px rgba(0, 0, 0, .2) inset;
	box-shadow: 0 0 1px rgba(0, 0, 0, .2) inset, 5px 0 5px -3px rgba(0, 0, 0, .2) inset;
  }
  
button {
  color: #090909;
  padding: 0.5em 0.7em;
  font-size: 18px;
  border-radius: 0.5em;
  background: #e8e8e8;
  border: 1px solid #e8e8e8;
  transition: all .3s;
  box-shadow: 6px 6px 12px #c5c5c5,
             -6px -6px 12px #ffffff;
}

button:hover {
  border: 1px solid white;
}

button:active {
  box-shadow: 4px 4px 12px #c5c5c5,
             -4px -4px 12px #ffffff;
}

.fancy {
 background-color: transparent;
 border: 2px solid #000;
 border-radius: 0;
 box-sizing: border-box;
 color: #fff;
 cursor: pointer;
 display: inline-block;
 font-weight: 700;
 letter-spacing: 0.05em;
 margin: 0;
 outline: none;
 overflow: visible;
 padding: 1.25em 2em;
 position: relative;
 text-align: center;
 text-decoration: none;
 text-transform: none;
 transition: all 0.3s ease-in-out;
 user-select: none;
 font-size: 13px;
}

.fancy::before {
 content: " ";
 width: 1.5625rem;
 height: 2px;
 background: black;
 top: 50%;
 left: 1.5em;
 position: absolute;
 transform: translateY(-50%);
 transform-origin: center;
 transition: background 0.3s linear, width 0.3s linear;
}

.fancy .text {
 font-size: 1.125em;
 line-height: 1.33333em;
 padding-left: 2em;
 display: block;
 text-align: left;
 transition: all 0.3s ease-in-out;
 text-transform: uppercase;
 text-decoration: none;
 color: black;
}

.fancy .top-key {
 height: 2px;
 width: 1.5625rem;
 top: -2px;
 left: 0.625rem;
 position: absolute;
 background: #e8e8e8;
 transition: width 0.5s ease-out, left 0.3s ease-out;
}

.fancy .bottom-key-1 {
 height: 2px;
 width: 1.5625rem;
 right: 1.875rem;
 bottom: -2px;
 position: absolute;
 background: #e8e8e8;
 transition: width 0.5s ease-out, right 0.3s ease-out;
}

.fancy .bottom-key-2 {
 height: 2px;
 width: 0.625rem;
 right: 0.625rem;
 bottom: -2px;
 position: absolute;
 background: #e8e8e8;
 transition: width 0.5s ease-out, right 0.3s ease-out;
}

.fancy:hover {
 color: white;
 background: black;
}

.fancy:hover::before {
 width: 0.9375rem;
 background: white;
}

.fancy:hover .text {
 color: white;
 padding-left: 1.5em;
}

.fancy:hover .top-key {
 left: -2px;
 width: 0px;
}

.fancy:hover .bottom-key-1,
 .fancy:hover .bottom-key-2 {
 right: 0;
 width: 0;
}





.button4 {
  -moz-appearance: none;
  -webkit-appearance: none;
  appearance: none;
  border: none;
  background: none;
  color: #0f1923;
  cursor: pointer;
  position: relative;
  padding: 8px;
  margin-bottom: 20px;
  text-transform: uppercase;
  font-weight: bold;
  font-size: 14px;
  transition: all .15s ease;
}

.button4::before,
.button4::after {
  content: '';
  display: block;
  position: absolute;
  right: 0;
  left: 0;
  height: calc(50% - 5px);
  border: 1px solid #7D8082;
  transition: all .15s ease;
}

.button4::before {
  top: 0;
  border-bottom-width: 0;
}

.button4::after {
  bottom: 0;
  border-top-width: 0;
}

.button4:active,
.button4:focus {
  outline: none;
}

.button4:active::before,
.button4:active::after {
  right: 3px;
  left: 3px;
}

.button4:active::before {
  top: 3px;
}

.button4:active::after {
  bottom: 3px;
}

.button_lg {
  position: relative;
  display: block;
  padding: 10px 20px;
  color: #fff;
  background-color: #0f1923;
  overflow: hidden;
  box-shadow: inset 0px 0px 0px 1px transparent;
}

.button_lg::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 2px;
  background-color: #0f1923;
}

.button_lg::after {
  content: '';
  display: block;
  position: absolute;
  right: 0;
  bottom: 0;
  width: 4px;
  height: 4px;
  background-color: #0f1923;
  transition: all .2s ease;
}

.button_sl {
  display: block;
  position: absolute;
  top: 0;
  bottom: -1px;
  left: -8px;
  width: 0;
  background-color: #ff4655;
  transform: skew(-15deg);
  transition: all .2s ease;
}

.button_text {
  position: relative;
}

.button4:hover {
  color: #0f1923;
}

.button4:hover .button_sl {
  width: calc(100% + 15px);
}

.button4:hover .button_lg::after {
  background-color: #fff;
}






/*彩色字体效果*/
.box_3{
	background: #fff;
	text-align: center;
	padding: 10px 0;
}	
.box_3 p {
	font-size: 30px;
	font-weight: bold;
	background: rgb(155,93,229);
	background: linear-gradient(150deg, rgba(155,93,229,1) 0%, rgba(241,91,181,1) 20%, rgba(254,228,64,1) 40%, rgba(0,187,249,1) 60%, rgba(0,245,212,1) 80%);
	background-size: 20% 20%;
	background-color: #840b2a;
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	animation: gradient 5s linear infinite;
}
@keyframes gradient {
	0% {
		background-position: 0% 0%;
	}
	50% {
		background-position: 50% 50%;
	}
	100% {
		background-position: 100% 100%;
	}
}



/* 卡片样式 */