.post-navigation .nav-previous a {
	color:#404040;
}
.post-navigation .nav-next a {
	color:#404040;
}
.post-navigation .nav-previous {
	float:left;
	text-align:left;
	max-width:50%;
	padding:7px 18px;
	border: 1px solid #e5e5e5d6;border-radius: 6px;background-color: rgb(255 255 255 / 70%);
}
.post-navigation .nav-next {
	float:right;
	text-align:right;
	max-width:50%;
	padding:7px 18px;
	border: 1px solid #e5e5e5d6;border-radius: 6px;background-color: rgb(255 255 255 / 70%);
}
#footer {
	background:#23282D;
	padding:40px 0 30px;
}
#footer p {
	color:rgba(255,255,255,.3);
	letter-spacing:1px;
	font-size:14px;
	text-transform:uppercase
}
#footer p a {
	color:rgba(255,255,255,.5);
}
.glyphicon-menu-down:before {
	content:"\e259";
}
.glyphicon-menu-up:before {
	content:"\e260";
}
* {
	-webkit-box-sizing:border-box;
	-moz-box-sizing:border-box;
	box-sizing:border-box;
}
*:before,*:after {
	-webkit-box-sizing:border-box;
	-moz-box-sizing:border-box;
	box-sizing:border-box;
}


/*post文章标题，作者  发布时间  热度*/
.postbiaoti1 {
	font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;
	font-weight:500;
	font-size:22px;
	color:#303030;
	margin:3px 0px -1px 0px;
}
.postbiaoti2 {
	font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;
	font-weight:500;
	font-size:19px;
	color:#303030;
}
.postbiaoti3 {
	font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;
	font-weight:500;
	font-size:15px;
	margin:0px 0px 18px 0px;
	color:#404040;
}
.postbiaoti4 {
	font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;
	font-weight:500;
	font-size:15px;
	color:#404040;
	margin:-4px 0px 2px 0px;
}
.Post-img1 {
	width:20px;
}
.Pimg2 {
	width:18px;
}
/*post文章标题，作者  发布时间  热度*/


/*post首页/分类/编辑文章文字样式*/
.post-zt1 {
	font-weight:500;
	font-size:15px;
	color:#303030;
}
.post-zt2 {
	font-weight:500;
	font-size:12px;
	color:#303030;
}

/*post点击扫码移动端浏览*/
.zzsc {
	position:fixed;
	left:-100%;
	right:100%;
	top:0;
	bottom:0;
	text-align:center;
	z-index:999;
	display:none;
}
.zzsc:after {
	content:"";
	display:inline-block;
	vertical-align:middle;
	height:100%;
	width:0;
}
.content {
	display:inline-block;
	*display:inline;
	*zoom:1;
	vertical-align:middle;
	position:relative;
	right:-100%;
}
.content_mark {
	width:100%;
	height:100%;
	position:fixed;
	left:0;
	top:0;
	z-index:98;
	background:#263238;
	opacity:0.8;
	filter:alpha(opacity=50);
	display:none;
}

/*星空*/
#starsBox span {
	display:inline-block;
	width:100%;
	height:100%;
	z-index:-1;
	position:fixed;
	border-radius:50%;
	transition:70s linear;
}

/*子比文章样式WAP*/
.wapzibi{margin:0px 12px 0px 12px;display: grid;gap: 12px 11px;grid-template-columns: repeat(auto-fill, minmax(40%, 1fr));}

.wapnd {
		background-image: linear-gradient(
102deg,#fff,#f3f5f8d9);
	border: 2px solid rgb(255 255 255);
        transition: all 0.2s ease-in 0s;
        box-shadow:0px 0px 8px 0px #e8e8e8;
        float:left;
        border-radius: 5px;
}
.wapnd:hover {
	transition: all 0.2s ease-in;
	transform:translate(0,-3px);
	box-shadow:0px 3px 8px 0px #d1d1d1;
}
.wapnd img {
	filter:brightness(98%);
	width:100%;
	height:112px;
}
.wapdesc {
	overflow: hidden;
	font-weight:500;
	margin: 5px 0px 0px 0px;
	font-size: 16px;
	color:#404040;
}
.wapdesc:hover {
	overflow: hidden;
	color:#5ab1eb;
}


/*子比文章样式PC*/
.pczibi{display: grid;gap: 13px 12px;grid-template-columns: repeat(auto-fill, minmax(32.446%, 1fr));}

.pcnd {
	background-image: linear-gradient(
102deg,#fff,#f3f5f8d9);
	border: 2px solid rgb(255 255 255);
	transition: all 0.2s ease-in 0s;
	box-shadow:0px 0px 8px 0px #e8e8e8;
	float:left;
	border-radius: 6px;
}
.pcnd:hover {
	transition: all 0.2s ease-in;
	transform:translate(0,-3px);
	box-shadow:0px 3px 8px 0px #d1d1d1;
}
.pcnd img{
	filter:brightness(98%);
	width:100%;
	height:176px;
}
.pcdesc {
	overflow: hidden;
	font-weight:500;
	margin: 14px 0px 8px 0px;
	font-size: 21px;
	color:#404040;
}
.pcdesc:hover {
	color:#5ab1eb;
}
.pcname {
	overflow: hidden;
	font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;
	font-weight:500;
	font-size:13px;
	color:#6e6e6e;
}
.bqy666 {overflow: hidden;border-radius: 6px;font-size: 14px;padding: 3.5px 5px;margin: 0px 0px 0px 0px;color: #fff;background-color:#5ab1eb;font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;}
.bqy888 {overflow: hidden;border-radius: 6px;font-size: 14px;padding: 3.5px 5px;margin: 0px 4px 0px 0px;color: #5ab1eb;background-color:rgb(189 189 189 / 28%);font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;}

.bqy777 {overflow: hidden;border-radius: 3px;font-size: 10px;padding: 3.2px 4px;margin: 0px 0px 0px 0px;color: #fff;background-color:#5ab1eb;font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;}
.bqy999 {overflow: hidden;border-radius: 3px;font-size: 10px;padding: 3.2px 4px;margin: 0px 4px 0px 0px;color: #5ab1eb;background-color:rgb(189 189 189 / 28%);font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;}

/*弹幕css*/
.overflow-text {
	display:block;
	white-space:nowrap;
	overflow:hidden;
	text-overflow:ellipsis;
	opacity:0;
	font-size:13px;
	clear:both;
	padding:3px 10px;
	border-radius:50px;
	box-sizing:border-box;
	max-width:100%;
	color:#ffffff;
	animation:colorchange 3s infinite alternate;
	-webkit-animation:colorchange 3s infinite alternate;
	/*Safari and Chrome*/
}
@keyframes colorchange {
	0% {
	color:#f8f8f8;
}
50% {
	color:#ffffff;
}
100% {
	color:#f2f2f2;
}
}


/*清单 纪念日 足迹文字效果，别碰！*/
.wz-1 {
	font-weight:600;
	margin:2em 0em 1.3em 0em;
	font-size:1.5em;
	color:#202020;
	text-align:center;
	font-family:"Times New Roman",Times,serif;
}


/*鼠标经过文字改变颜色-指定文字*/
.zd1 e {
	color:#202020;
	text-decoration:none;
}
.zd1 e:hover {
	color:#2f7ad3;
	text-decoration:none;
}
.zd2 e {
	color:#ffffff
}
.zd2 e:hover {
	color:#b379ff
}



/*图标/图片旋转*/
.xuanzhuang a:hover img {
	animation:xycms_xz 1.7s linear infinite;
	-webkit-animation:xycms_xz 1.7s linear infinite;
	-moz-animation:xycms_xz 1.7s linear infinite;
	-o-animation:xycms_xz 1.7s linear infinite;
	-ms-animation:xycms_xz 1.7s linear infinite;
}
@keyframes xycms_xz {
	0% {
	transform:rotate(0deg);
	-ms-transform:rotate(0deg);
	-moz-transform:rotate(0deg);
	-webkit-transform:rotate(0deg);
	-o-transform:rotate(0deg);
}
100% {
	transform:rotate(-360deg);
	-ms-transform:rotate(-360deg);
	-moz-transform:rotate(-360deg);
	-webkit-transform:rotate(-360deg);
	-o-transform:rotate(-360deg);
}
}



/*鼠标样式*/
body {
    cursor:url('/usr/themes/Brave/base/img/shubiao (1).cur'), auto;
}
select, input, textarea, a, button {
    cursor:url('/usr/themes/Brave/base/img/shubiao (2).cur'), auto;
}


/* 背景碎花
    body::before {
	content:'';
	position:fixed;
	top:0;
	left:0;
	right:0;
	bottom:0;
	background:url(/usr/themes/Brave/base/img/bgimg.webp);
	background-position:center 0;
	background-size:cover;
	z-index:-1;
	opacity:0.3;
}
背景碎花 */


/* 背景纹路 */
    body::before {
	content:'';
	position:fixed;
	top:0;
	left:0;
	right:0;
	bottom:0;
	background:url(/usr/themes/Brave/base/img/background.svg);
	background-position:center 0;
	z-index:-1;
	opacity:0.6;
}
/* 背景纹路 */

/*图片组成网格背景
    body::before {
	position:fixed;
	background:url(/usr/themes/Brave/base/img/bg.webp);
	opacity:0.9;
	z-index:-2;
}
图片组成网格背景 */


/*前台文字投影*/
.touying {
	text-shadow:1px 1px 2px #000000;
}
/*前台文字投影*/

/*头像阴影*/
.touxiang {
	box-shadow:1px 1px 2px #000000;
}
/*头像阴影*/


/*右边联系站长 css 开始*/
@keyframes shangxa {
	0%,100%,20%,50%,80% {
	transition-timing-function:cubic-bezier(0.215,.61,.355,1);
	transform:translate3d(0,0,0);
}
40%,43% {
	transition-timing-function:cubic-bezier(0.755,0.50,0.855,0.060);
	transform:translate3d(0,-10px,0);
}
70% {
	transition-timing-function:cubic-bezier(0.755,0.050,0.855,0.060);
	transform:translate3d(0,-6px,0);
}
90% {
	transform:translate3d(0,-3px,0);
}
}.leke {
	display:flex;
	position:fixed;
	left:0px;
	top:calc(50% - 103px);
	flex-direction:column;
	-webkit-box-align:center;
	align-items:center;
	color:rgb(255,255,255);
	font-size:16px;
	font-weight:500;
	line-height:20px;
	box-shadow:rgba(0,0,0,0.08) 0px 5px 6px -4px,rgba(13,206,158,.37) 0px 6px 10px;
	z-index:10;
	overflow:hidden;
	background:#0dce9e;
	padding:12px 7px 10px 6px;
	border-radius:0px 6px 6px 0px;
	transition:height 0.2s ease 0s,top 0.2s ease 0s;
}
.leke:hover {
	opacity:.8;
}
.leke .upload-icon {
	flex-shrink:0;
	width:28px;
	height:auto;
	display:block;
	margin-bottom:2px;
	-webkit-animation:shangxa 2s infinite;
	animation:shangxa 2s infinite;
}
@media screen
AND (max-width:768px) {
	.leke {
	display:none;
}
}#qidiana {
	cursor:pointer;
}
.class_qidian_wpa {
	border-radius:6px !important;
	box-shadow:0 0 10px 0 rgba(0,0,0,.1);
	-webkit-box-shadow:0 0 10px 0 rgba(0,0,0,.1);
	-moz-box-shadow:0 0 10px 0 rgba(0,0,0,.1);
}
/*右边联系站长 css 开始*/


/*评论区鼠标经过显示设备、浏览器、定位  css*/
        .tooltips {
	color:black;
	position:relative;
	/*这个是关键*/
        z-index:2;
	position:relative;
	left:5px;
	margin:0 -1px;
}
.tooltips:hover {
	z-index:3;
	background:none;
	/*没有这个在IE中不可用*/
}
.tooltips span {
	display:none;
}
.tooltips:hover span {
	/*span 标签仅在:hover 状态时显示*/
        display:block;
	position:absolute;
	top:-2.5em;
	left:auto;
	padding:0px;
	color:#202020;
	font-size:10px;
}
/*评论区鼠标经过显示设备、浏览器、定位  css*/


/* PC端 文章目录页联系站长css */
.hover-main {
	position:absolute;
	display:none;
	top:-220px;
	right:235px;
	width:198px;
	height:210px;
	border-radius:5px;
	box-shadow:0px 0px 3px rgb(94 94 94 / 35%);
	border:0.25px solid #deeaff;
	margin-bottom:1rem;
	background-color:rgb(255 255 255 / 60%);
}
.hover-main .triangle {
	position:absolute;
	bottom:-19px;
	left:135px;
	width:0;
	height:0;
	border:10px solid transparent;
	border-top:9px solid #fff
}
.hover-main .hover-title {
	font-weight:500;
	font-size:16px;
	line-height:24px;
	text-align:center;
	margin-top:20px
}
.hover-main .hover-title>span {
	display:block;
	margin:auto;
	margin-top:4px;
	width:192px;
	height:16px;
	font-style:normal;
	font-weight:400;
	font-size:12px;
	line-height:16px;
	text-align:center;
	color:#5b5f70
}
.hover-main .hover-bottomImg {
	width:160px;
	height:160px;
	margin:auto;
	margin-top:10px;
	background-color:rgb(255 255 255 / 60%);
	box-shadow:0 1px 4px rgba(18,19,25,.12);
	border-radius:4px
}
.hover-main .hover-bottomImg>img {
	width:148px;
	height:148px;
	margin:6px
}
.header {
	width:992px;
	overflow:hidden;
	font-weight:300;
	font-size:22px;
	line-height:30px;
	margin:0 auto;
	padding-top:20px
}
#banner .title {
	font-weight:400;
	font-size:40px;
	line-height:54px;
	margin:0 auto;
	margin-top:20px;
	text-align:center
}
.configure {
	position:relative;
	width:668px;
	height:81px;
	margin:0 auto;
	padding:16px 32px 16px 16px;
	border-radius:5px;
	box-shadow:1px 1px 2px 1px #ffeeee;
	border:1px solid #c2d7fe;
	margin-bottom:1rem;
	background-color:rgb(255 255 255 / 60%);
	line-height:47px;
	margin-top:21px
}
.configure-left {
	vertical-align:middle;
	float:left
}
.configure-left .tips {
	display:inline-block
}
.configure-left .upgrade {
	vertical-align:middle
}
.top-button {
	text-align:center
}
.top-button:hover+.hover-main {
	display:block
}
.configure .logo {
	width:48px;
	height:48px;
	text-align:center;
	line-height:48px;
	border:1px solid #edf0f7;
	border-radius:6px;
	float:left
}
.configure .logo img {
	width:40px;
	height:40px;
	margin-top:-4px
}
.configure .title {
	font-weight:600;
	font-size:26px;
	color:#363636;
	margin:0px 20px 0px 8px;
}
.personal-wpa-button {
	float:right;
	width:96px;
	line-height:32px;
	font-size:14px;
	font-weight:600;
	color:#4a70ff;
	border:1px solid rgba(74,112,255,.2);
	border-radius:3px;
	background:#fff;
	margin-top:6px
}
#login_div {
	position:fixed;
	width:490px;
	height:328px;
	top:50%;
	left:50%;
	margin-top:-164px;
	margin-left:-145px;
	z-index:99999
}
/* PC端 文章目录页联系站长css */


/*touxianquantao*/
.avatar-img {
	height:1px;
	width:1px;
	object-fit:cover;
	border:rgba(255,255,255,1) 1100004px solid;
}
/**Typecho分页 */
.page-navigator {
	list-style:none;
	margin: 30px 0px 48px 0px;
	text-align:center;
	text-decoration:none;
}
.page-navigator li {
	display:inline-block;
	font-size: 18px;
	font-weight:500;
	margin: 0.48em;
	font-family:"microsoft yahei" !important;
	text-decoration:none;
}
.page-navigator a {
	border:1px solid #6ea8fe;
	color:#6ea8fe;
	border-radius: 6px;
	padding: 0.18em 0.62em;
	background-color:#ffffff;
	text-decoration:none;
}
.page-navigator a:hover {
	border:1px solid #6ea8fe;
	color:#ffffff;
	border-radius:6px;
	padding: 0.18em 0.62em;
	background-color:#b6d3fe;
	text-decoration:none;
}
.page-navigator .current a {
	border:1px solid #6ea8fe;
	color:#ffffff;
	border-radius:6px;
	padding: 0.18em 0.62em;
	background-color:#6ea8fe;
	text-decoration:none;
}
/*样式-迷幻紫*/
.xx-1 {
	color:#555555;
	overflow:hidden;
	margin:10px 0;
	padding:15px 15px 15px 35px;
	border-radius:5px;
	box-shadow:6px 0 12px -5px rgb(190,196,252),-6px 0 12px -5px rgb(189,196,252);
	background-color:#8EC5FC;
	background-image:linear-gradient(62deg,#8EC5FC 0%,#E0C3FC 100%);
	background-image:-webkit-linear-gradient(62deg,#8EC5FC 0%,#E0C3FC 100%);
}
/*样式-西瓜红*/
.xx-2 {
	color:#555555;
	overflow:hidden;
	margin:10px 0;
	padding:15px 15px 15px 35px;
	border-radius:5px;
	box-shadow:6px 0 12px -5px rgb(255,176,172),-6px 0 12px -5px rgb(255,161,174);
	background-color:#ff9a8b66;
	background-image:linear-gradient(220deg,#FF9A8B 0%,#ff6a8838 55%,#FF99AC 100%);
	background-image:-webkit-linear-gradient(220deg,#ff9a8b7a 0%,#ff6a88ab 55%,#ff99ac82 100%);
}
/*样式-天空之境*/
.xx-3 {
	color:#555555;
	overflow:hidden;
	margin:10px 0;
	padding:15px 15px 15px 35px;
	border-radius:5px;
	box-shadow:6px 0 12px -5px rgb(253,223,234),-6px 0 12px -5px rgb(215,240,243);
	background-color:#FFDEE9;
	background-image:linear-gradient(0deg,#ffdee9c4 0%,#b5fffc8f 100%);
	background-image:-webkit-linear-gradient(0deg,#ffdee9c4 0%,#b5fffc8f 100%);
}
/*样式-小宇宙*/
.xx-4 {
	color:#eeeeee;
	overflow:hidden;
	margin:10px 0;
	padding:15px 15px 15px 35px;
	border-radius:5px;
	box-shadow:6px 0 12px -5px rgb(12,85,141),-6px 0 12px -5px rgba(10,58,93,0);
	background-image:radial-gradient( circle 263px at 100.2% 3%,rgba(12,85,141,1) 31.1%,rgba(205,181,93,1) 36.4%,rgba(244,102,90,1) 50.9%,rgba(199,206,187,1) 60.7%,rgba(249,140,69,1) 72.5%,rgba(12,73,116,1) 72.6% );
}
/*样式-橄榄绿*/
.xx-5 {
	color:#eeeeee;
	overflow:hidden;
	margin:10px 0;
	padding:15px 15px 15px 35px;
	border-radius:5px;
	box-shadow:6px 0 12px -5px rgb(68,110,92),-6px 0 12px -5px rgb(204,212,163);
	background-image:linear-gradient( 102deg,rgba(68,110,92,1) 17.4%,rgba(107,156,120,1) 49.3%,rgba(154,183,130,1) 83.4%,rgba(247,237,191,1) 110.3% );
}
/*样式-小太阳*/
.xx-6 {
	color:#ffffff;
	overflow:hidden;
	margin:10px 0;
	padding:15px 15px 15px 35px;
	border-radius:5px;
	box-shadow:6px 0 12px -5px rgb(253,223,234),-6px 0 12px -5px rgb(215,240,243);
	background-image:radial-gradient( circle farthest-corner at -8.9% 51.2%,rgba(255,124,0,1) 0%,rgba(255,124,0,1) 15.9%,rgba(255,163,77,1) 15.9%,rgba(255,163,77,1) 24.4%,rgba(19,30,37,1) 24.5%,rgba(19,30,37,1) 66% );
}
/*样式-优雅紫*/
    #smcos_yyz {
	color:#ffffff;
	overflow:hidden;
	margin:10px 0;
	padding:15px 15px 15px 35px;
	border-radius:5px;
	box-shadow:6px 0 12px -5px rgb(175,160,208),-6px 0 12px -5px rgba(177,161,207,0);
	background-image:radial-gradient( circle farthest-corner at 10% 20%,rgba(95,117,227,1) 0%,rgba(188,167,205,1) 90% );
}
/*样式-深邃黑*/
.xx-7 {
	color:#c7c7c7;
	overflow:hidden;
	margin:10px 0;
	padding:15px 15px 15px 35px;
	border-radius:5px;
	box-shadow:6px 0 12px -5px rgb(155,170,185),-6px 0 12px -5px rgba(177,161,207,0);
	background-image:radial-gradient( circle farthest-corner at 10% 20%,rgba(0,0,0,1) 0%,rgba(64,64,64,1) 90.2% );
}

/*IMG图片抖动*/
.Pshake{
    -webkit-animation: Pshake_Crazy 1s ease-in-out infinite;
    animation: Pshake_Crazy 1s ease-in-out infinite;
}
@keyframes Pshake_Crazy{
    10%{transform:translate(-0.5px,-0.5px) rotate(0.5deg);}
    20%{transform:translate(-0.5px,1.5px) rotate(0.5deg);}
    30%{transform:translate(1.5px,0.5px) rotate(0.5deg);}
    40%{transform:translate(1.5px,-0.5px) rotate(-0.5deg);}
    50%{transform:translate(2.5px,1.5px) rotate(1.5deg);}
    60%{transform:translate(-0.5px,-0.5px) rotate(-0.5deg);}
    70%{transform:translate(-0.5px,2.5px) rotate(1.5deg);}
    80%{transform:translate(2.5px,-1.5px) rotate(-0.5deg);}
    90%{transform:translate(1.5px,-0.5px) rotate(1.5deg);}
    0%,100%{transform:translate(0,0) rotate(0);}
}

/*PC顶部大图箭头渐隐渐现*/
.scroll-down-effects{position:relative;width:100%;color:red;text-align:center;text-shadow:2px 2px 4px rgba(0,0,0,.15);font-size:30px;line-height:1.5;-webkit-animation:scroll-down-effect 1.5s infinite;-moz-animation:scroll-down-effect 1.5s infinite;-o-animation:scroll-down-effect 1.5s infinite;-ms-animation:scroll-down-effect 1.5s infinite;animation:scroll-down-effect 1.5s infinite}
@-moz-keyframes scroll-down-effect{0%{top:0;opacity:.4}
50%{top:-16px;opacity:1;-ms-filter:none;filter:none}
to{top:0;opacity:.4}
}
@-webkit-keyframes scroll-down-effect{0%{top:0;opacity:.4}
50%{top:-16px;opacity:1;-ms-filter:none;filter:none}
to{top:0;opacity:.4}
}

/*PC顶部大图渐变白*/
        .jianbian{
        content: '';
        width: 100%;
        height: 12%;
        position: absolute;
        bottom: 0;
        left: 0;
        background: linear-gradient(to top, #f3f3f1, transparent);
    }

/*图片禁止拖动*/
body img {
	-webkit-user-drag:none;
}

/*全站思源宋体*/
 body {
        font-family: 'CustomFonts', Source Han Serif SC;
    }

/*背景颜色css*/ body { z-index:-1; background-color: #fcfcfc; }

/*引入B站视频css*/
.iframe_video {
    position: relative;
    width: 100%;
}

@media only screen and (max-width: 767px) {
    .iframe_video {
        height: 11em;
    }
}

@media only screen and (min-width: 768px) and (max-width: 991px) {
    .iframe_video {
        height: 22em;
    }
}

@media only screen and (min-width: 992px) and (max-width: 1199px) {
    .iframe_video {
        height: 22.5em;
    }
}

@media only screen and (min-width: 1200px) {
    .iframe_video {
        height: 22.5em;
    }
}

.iframe_cross {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 75%
}

.iframe_cross iframe {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0
}

/*主页头像框 opacity: 0.6; */
.txkuang { opacity: 0.9;position: absolute; left: calc(50% - 68px); top: -10px; z-index: 2; width: 140px; height: 140px; }