.blog-header {
	border-bottom: 1px solid #e5e5e5;
}

.blog-header-logo {
	font-size: 2.25rem;
	text-decoration: none;
}

.blog-header-logo:hover {
	text-decoration: none;
}

.display-4 {
	font-size: 2.5rem;
}
@media (min-width: 768px) {
	.display-4 {
		font-size: 3rem;
	}
}

.flex-auto {
	flex: 0 0 auto;
}

.h-250 { height: 250px; }

@media (min-width: 768px) {
	.h-md-250 { height: 250px; }
}

/* Pagination */
.blog-pagination {
	margin-bottom: 4rem;
}

/*
* Blog posts
*/
.blog-post {
	margin-bottom: 4rem;
}
.blog-post-title {
	font-size: 2.0rem;
}
.blog-post-meta {
	margin-bottom: 1.25rem;
	color: #727272;
}

/*
* Footer
*/
.blog-footer {
	padding: 2rem 0;
	color: #727272;
	text-align: center;
	background-color: #f9f9f9;
	border-top: .05rem solid #e5e5e5;
}

.blog-footer p:last-child {
	margin-bottom: 0;
}

.bd-placeholder-img {
  font-size: 1.125rem;
  text-anchor: middle;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

@media (min-width: 768px) {
  .bd-placeholder-img-lg {
	font-size: 3.5rem;
  }
}

.b-example-divider {
  height: 3rem;
  background-color: rgba(0, 0, 0, .1);
  border: solid rgba(0, 0, 0, .15);
  border-width: 1px 0;
  box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
}

.b-example-vr {
  flex-shrink: 0;
  width: 1.5rem;
  height: 100vh;
}

.bi {
  vertical-align: -.125em;
  fill: currentColor;
}

.nav-scroller {
  position: relative;
  z-index: 2;
  height: 2.75rem;
  overflow-y: hidden;
}

.nav-scroller .nav {
  display: flex;
  flex-wrap: nowrap;
  padding-bottom: 1rem;
  margin-top: -1px;
  overflow-x: auto;
  text-align: center;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}

/* .catalog-item {
  border-radius: 0.25em;
  padding: 5px 10px;
  background-color: #efefef;
  margin-bottom: 3px;
} */

/* 个人资料 */
.box-list {
	margin-top: 0px;
	margin-left: -4px;
	padding: 0px;
}

.box-list li {
	float: left;
	margin: 0 0 5px 5px;
	list-style-type: none;
}

.project {
	position: relative;
	height: 280px;
	overflow: hidden;
	width: 280px;
	border: 1px solid #e8e8e8;
	cursor: pointer;
}

.project:hover {
	border: 1px solid #666;

}

.project .info-mask {
	position: absolute;
	bottom: 0px;
	left: 0px;
	right: 0px;
	background-color: #000;
	opacity:0.85;
	padding: 5px;
	color: #fff;
	display: none;
	font-size: 12px;
}

.project .info-mask .year {
	text-align: right;
	font-family: Georgia;
}

#loading {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  width: 70px;
  height: 70px;
  margin-top: -35px;
  margin-left: -35px;
  background-image: url('../img/loading_big.gif');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: 100% 100%;
  border-radius: 6px;
  opacity: 0.8;
  z-index: 8060;
}

/* 加载样式 */
.logo_large {
	margin-bottom: 60px;
	width: 258px;
	height: 258px;
	background: url('/img/logo_256x256.png') top center no-repeat;
}

#loading-overlay {
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	background-color: #f9f9f9;
	z-index: 1998;
	box-shadow: 1px 0px 9px #333;
	-moz-box-shadow: 1px 0px 9px #333;
	-webkit-box-shadow: 1px 0px 9px #333;
}

#loading-overlay .content {
	position: absolute;
	top: 50%;
	left: 50%;
	margin-top: -200px;
	margin-left: -129px;
	text-align: center;
	z-index: 1999;
}