@charset "utf-8";

body, html, #wrap{
	width: 640px;
	margin:0px auto;
	padding: 0;
	font-family: 'Noto Serif', 'Noto Serif CJK SC', 'Noto Serif CJK', 'Source Han Serif SC', 'Source Han Serif', source-han-serif-sc, '宋体', serif;
	text-align: left;
	vertical-align: top;
	background: #ffffff;
	font-size: 16px;
}

body, h1, h2, h3, h4, h5, h6, blockquote, p, a {
	margin: 0;
	padding: 0;
	color: #323232;
	font-weight: normal;
}

header{
 	background: #fff;
	height: 2em;
	padding: 1.5em 1em 2.5em 1em;
	margin: 0;
}

nav {
	position: relative;
}

nav a{
	margin-left: 2em;
	font-size: 1.25em;
}

#circle {
     width: 2rem;
     height: 2rem;
     background: #222;
     background-image: url("line.png");
     background-size: 2rem 2rem;
     -moz-border-radius: 1rem;
     -webkit-border-radius: 1rem;
     border-radius: 1rem;
     float: left;
}

#content {
	padding: 0 1em 0 1em;
	margin: 0;
}

#content h2 {
	font-size: 1.25em;
	margin-bottom: 0.75em; 
}

.box {
	margin-bottom: 2em;
}

.box h2 {
	font-size: 0.875em;
	margin-bottom: 1em;
	font-weight: 200;
}

.box p {
	font-size: 1em;
}

.box a {
	color: #4A90E2;
}

/*footer*/

footer {
	height: 3em;
	margin: 2em 0 0 0;
	padding: 0 1em 0 1em;
	font-weight: 200;
}

footer p {
	font-size: 0.75em;
}

footer a {
	text-decoration: none;
}

/*HTML 5 支持 */
header, section, footer, aside, article, figure {
	display: block;
}