@charset "utf-8";
/* CSS Document */
*, *:after, *:before {
  box-sizing: border-box;
}
* {margin:0;padding:0;border: 0 none;position: relative;}
section {
  max-width: 40rem;
  min-width: 100%;
  margin: 4rem auto;
}

article {
  position: absolute;
  left: 0;
  top: 5rem;
  right: 0;
  bottom: 0;
  padding: 1rem 2rem 0;
  overflow: auto;
  transition: .7s;
  transform: scale(0);
  transform-origin: center right;
  transition-delay: .1s;
}
article:before {
  color: rgba(0,0,0,.2);
  font-weight: 100;
  position: absolute;
  bottom: 1rem;
  right: 1rem;
}

@media only screen and (max-width: 3000px){
nav {
  width: 100%;
  height: 5rem;
  border-bottom:1px solid #ccc;
}
nav:after {
  content:'';
  width: 15%;
  height: 5rem;
  position: absolute;
  transition: .5s;
  border-top-left-radius:6px;
  border-top-right-radius:6px;
  border-top:1px solid #ccc;
  border-right:1px solid #ccc;
  border-left:1px solid #ccc;
  border-bottom:1px solid #fff;
}
input {
  display: none;
}
label {
  width: 15%;
  float: left;
  color: #262626;
  text-align: center;
  cursor: pointer;
  transition: .5s;
  z-index: 2;
  font-weight: 300;
  line-height:5rem;
  font-size:1.6rem;
}
label:hover {color:#000;font-weight:600; line-height:5rem;font-size:1.6rem;}
label:before {
  display: block;
  font-size:1.6rem;
  line-height: 5rem;
  z-index: 2;
}
#profile:checked ~ nav [for='profile'],
#settings:checked ~ nav [for='settings'],
#posts:checked ~ nav [for='posts'],
#books:checked ~ nav [for='books'] {
  color: #262626;
  font-weight: 500;
}

#profile:checked ~ nav:after {
  left: 0;
}
#settings:checked ~ nav:after {
  left:15%;
}
#posts:checked ~ nav:after {
  left: 30%;
}
#books:checked ~ nav:after {
  left: 45%;
}

section{
	height:70rem;
	}
}


@media only screen and (max-width: 992px){
nav {
  width: 100%;
  height: 4rem;
  border-bottom:1px solid #ccc;
}
nav:after {
  content:'';
  width: 25%;
  height: 4rem;
  position: absolute;
  transition: .5s;
  border-top-left-radius:6px;
  border-top-right-radius:6px;
  border-top:1px solid #ccc;
  border-right:1px solid #ccc;
  border-left:1px solid #ccc;
  border-bottom:1px solid #fff;
}
input {
  display: none;
}
label {
  width: 25%;
  float: left;
  color: #262626;
  text-align: center;
  cursor: pointer;
  transition: .5s;
  z-index: 2;
  font-weight: 300;
  line-height:4rem;
}
label:hover {color:#000;font-weight:600;line-height:4rem;}
label:before {
  display: block;
  font-size: 2px;
  line-height: 1rem;
  z-index: 2;
  line-height:4rem;
}
#profile:checked ~ nav [for='profile'],
#settings:checked ~ nav [for='settings'],
#posts:checked ~ nav [for='posts'],
#books:checked ~ nav [for='books'] {
  color: #262626;
  font-weight: 500;
}

#profile:checked ~ nav:after {
  left: 0;
}
#settings:checked ~ nav:after {
  left:25%;
}
#posts:checked ~ nav:after {
  left: 50%;
}
#books:checked ~ nav:after {
  left: 75%;
}

section{
	height:100rem;
	}
}

#profile:checked ~ .uno,
#settings:checked ~ .dos,
#posts:checked ~ .tres,
#books:checked ~ .cuatro {
  display: block;
  transform: scale(1);
  transition-delay: .5s; 
}
a {color: rgba(0,0,0,.4)}
a:hover {color: rgba(0,0,0,.2)}

/*表格的样式*/
.ta table th,td{border:1px solid #666; text-align:center;}