@font-face {
	font-family: 'icomoon';
	src:url('../font/icomoon.eot');
	src:url('../font/icomoon.eot@#iefix') format('embedded-opentype'),
		url('../font/icomoon.woff') format('woff'),
		url('../font/icomoon.ttf') format('truetype'),
		url('../font/icomoon.svg#icomoon') format('svg');
	font-weight: normal;
	font-style: normal;
}

/* Common styles of menus */

.dl-menuwrapper {
	width: 100%;
	max-width: 250px;
	float: right;
	position: absolute;
	top:0;
	right:0;
	padding-top: 45px;
	z-index: 999;
	-webkit-perspective: 1000px;
	-moz-perspective: 1000px;
	perspective: 1000px;
	-webkit-perspective-origin: 50% 200%;
	-moz-perspective-origin: 50% 200%;
	perspective-origin: 50% 200%;
}

.dl-menuwrapper:first-child {
	margin-right: 100px;
}

.dl-menuwrapper button {
	/*background: url(../images/header-bg.png) repeat-x bottom left;*/
	border: none;
	width: 50px;
	height: 50px;
	text-indent: -900em;
	overflow: hidden;
	position: absolute;
	top:0;
	right:0;
	cursor: pointer;
	outline: none;
	background: #9C6041 url(../img/menu-button-bg.png) no-repeat center center;
	background-size: 50%;
}

.dl-menuwrapper button:hover ,
.dl-menuwrapper button.dl-active {
	/*background: url(../images/header-bg.png) repeat-x bottom left;*/
	background-color: #7D4427;
}

.dl-menuwrapper ul {
	background: #633822;
}
.dl-menuwrapper ul {
	padding: 0;
	list-style: none;
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	transform-style: preserve-3d;
}

.dl-menuwrapper li {
	position: relative;
}

.dl-menuwrapper li a {
	display: block;
	position: relative;
	padding: 15px 20px;
	font-size: 16px;
	line-height: 20px;
	font-weight: 300;
	color: #fff;
	border-top: 1px solid #7D4427;
	border-bottom:1px solid #502C1A;
	outline: none;
}

.no-touch .dl-menuwrapper li a:hover {
	background: rgba(255,248,213,0.1);
}

.dl-menuwrapper li.dl-back > a {
	padding-left: 30px;
	background: rgba(0,0,0,0.1);
}

.dl-menuwrapper li.dl-back:after,
.dl-menuwrapper li > a:not(:only-child):after {
	position: absolute;
	top: 0;
	line-height: 50px;
	font-family: 'icomoon';
	speak: none;
	-webkit-font-smoothing: antialiased;
	content: "\e000";
}

.dl-menuwrapper li.dl-back:after {
	left: 10px;
	color: rgba(255,255,255,0.8);
	-webkit-transform: rotate(180deg);
	-moz-transform: rotate(180deg);
	transform: rotate(180deg);
}

.dl-menuwrapper li > a:after {
	right: 10px;
	color: rgba(255,255,255,0.8);
}

.dl-menuwrapper .dl-menu {
	margin: 5px 0 0 0;
	position: absolute;
	width: 100%;
	opacity: 0;
	pointer-events: none;
	-webkit-transform: translateY(10px);
	-moz-transform: translateY(10px);
	transform: translateY(10px);
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	backface-visibility: hidden;
}

.dl-menuwrapper .dl-menu.dl-menu-toggle {
	-webkit-transition: all 0.3s ease;
	-moz-transition: all 0.3s ease;
	transition: all 0.3s ease;
}

.dl-menuwrapper .dl-menu.dl-menuopen {
	opacity: 1;
	pointer-events: auto;
	-webkit-transform: translateY(0px);
	-moz-transform: translateY(0px);
	transform: translateY(0px);
}

/* Hide the inner submenus */
.dl-menuwrapper li .dl-submenu {
	display: none;
}

/* 
When a submenu is openend, we will hide all li siblings.
For that we give a class to the parent menu called "dl-subview".
We also hide the submenu link. 
The opened submenu will get the class "dl-subviewopen".
All this is done for any sub-level being entered.
*/
.dl-menu.dl-subview li,
.dl-menu.dl-subview li.dl-subviewopen > a,
.dl-menu.dl-subview li.dl-subview > a {
	display: none;
}

.dl-menu.dl-subview li.dl-subview,
.dl-menu.dl-subview li.dl-subview .dl-submenu,
.dl-menu.dl-subview li.dl-subviewopen,
.dl-menu.dl-subview li.dl-subviewopen > .dl-submenu,
.dl-menu.dl-subview li.dl-subviewopen > .dl-submenu > li {
	display: block;
}

/* Dynamically added submenu outside of the menu context */
.dl-menuwrapper > .dl-submenu {
	position: absolute;
	width: 100%;
	top: 50px;
	left: 0;
	margin: 0;
}

/* Animation classes for moving out and in */

.dl-menu.dl-animate-out-1 {
	-webkit-animation: MenuAnimOut1 0.4s;
	-moz-animation: MenuAnimOut1 0.4s;
	animation: MenuAnimOut1 0.4s;
}

.dl-menu.dl-animate-out-2 {
	-webkit-animation: MenuAnimOut2 0.3s ease-in-out;
	-moz-animation: MenuAnimOut2 0.3s ease-in-out;
	animation: MenuAnimOut2 0.3s ease-in-out;
}

.dl-menu.dl-animate-out-3 {
	-webkit-animation: MenuAnimOut3 0.4s ease;
	-moz-animation: MenuAnimOut3 0.4s ease;
	animation: MenuAnimOut3 0.4s ease;
}

.dl-menu.dl-animate-out-4 {
	-webkit-animation: MenuAnimOut4 0.4s ease;
	-moz-animation: MenuAnimOut4 0.4s ease;
	animation: MenuAnimOut4 0.4s ease;
}

.dl-menu.dl-animate-out-5 {
	-webkit-animation: MenuAnimOut5 0.4s ease;
	-moz-animation: MenuAnimOut5 0.4s ease;
	animation: MenuAnimOut5 0.4s ease;
}

@-webkit-keyframes MenuAnimOut1 {
	50% {
		-webkit-transform: translateZ(-250px) rotateY(30deg);
	}
	75% {
		-webkit-transform: translateZ(-372.5px) rotateY(15deg);
		opacity: .5;
	}
	100% {
		-webkit-transform: translateZ(-500px) rotateY(0deg);
		opacity: 0;
	}
}

@-webkit-keyframes MenuAnimOut2 {
	100% {
		-webkit-transform: translateX(-100%);
		opacity: 0;
	}
}

@-webkit-keyframes MenuAnimOut3 {
	100% {
		-webkit-transform: translateZ(300px);
		opacity: 0;
	}
}

@-webkit-keyframes MenuAnimOut4 {
	100% {
		-webkit-transform: translateZ(-300px);
		opacity: 0;
	}
}

@-webkit-keyframes MenuAnimOut5 {
	100% {
		-webkit-transform: translateY(40%);
		opacity: 0;
	}
}

@-moz-keyframes MenuAnimOut1 {
	50% {
		-moz-transform: translateZ(-250px) rotateY(30deg);
	}
	75% {
		-moz-transform: translateZ(-372.5px) rotateY(15deg);
		opacity: .5;
	}
	100% {
		-moz-transform: translateZ(-500px) rotateY(0deg);
		opacity: 0;
	}
}

@-moz-keyframes MenuAnimOut2 {
	100% {
		-moz-transform: translateX(-100%);
		opacity: 0;
	}
}

@-moz-keyframes MenuAnimOut3 {
	100% {
		-moz-transform: translateZ(300px);
		opacity: 0;
	}
}

@-moz-keyframes MenuAnimOut4 {
	100% {
		-moz-transform: translateZ(-300px);
		opacity: 0;
	}
}

@-moz-keyframes MenuAnimOut5 {
	100% {
		-moz-transform: translateY(40%);
		opacity: 0;
	}
}

@keyframes MenuAnimOut1 {
	50% {
		transform: translateZ(-250px) rotateY(30deg);
	}
	75% {
		transform: translateZ(-372.5px) rotateY(15deg);
		opacity: .5;
	}
	100% {
		transform: translateZ(-500px) rotateY(0deg);
		opacity: 0;
	}
}

@keyframes MenuAnimOut2 {
	100% {
		transform: translateX(-100%);
		opacity: 0;
	}
}

@keyframes MenuAnimOut3 {
	100% {
		transform: translateZ(300px);
		opacity: 0;
	}
}

@keyframes MenuAnimOut4 {
	100% {
		transform: translateZ(-300px);
		opacity: 0;
	}
}

@keyframes MenuAnimOut5 {
	100% {
		transform: translateY(40%);
		opacity: 0;
	}
}

.dl-menu.dl-animate-in-1 {
	-webkit-animation: MenuAnimIn1 0.3s;
	-moz-animation: MenuAnimIn1 0.3s;
	animation: MenuAnimIn1 0.3s;
}

.dl-menu.dl-animate-in-2 {
	-webkit-animation: MenuAnimIn2 0.3s ease-in-out;
	-moz-animation: MenuAnimIn2 0.3s ease-in-out;
	animation: MenuAnimIn2 0.3s ease-in-out;
}

.dl-menu.dl-animate-in-3 {
	-webkit-animation: MenuAnimIn3 0.4s ease;
	-moz-animation: MenuAnimIn3 0.4s ease;
	animation: MenuAnimIn3 0.4s ease;
}

.dl-menu.dl-animate-in-4 {
	-webkit-animation: MenuAnimIn4 0.4s ease;
	-moz-animation: MenuAnimIn4 0.4s ease;
	animation: MenuAnimIn4 0.4s ease;
}

.dl-menu.dl-animate-in-5 {
	-webkit-animation: MenuAnimIn5 0.4s ease;
	-moz-animation: MenuAnimIn5 0.4s ease;
	animation: MenuAnimIn5 0.4s ease;
}

@-webkit-keyframes MenuAnimIn1 {
	0% {
		-webkit-transform: translateZ(-500px) rotateY(0deg);
		opacity: 0;
	}
	20% {
		-webkit-transform: translateZ(-250px) rotateY(30deg);
		opacity: 0.5;
	}
	100% {
		-webkit-transform: translateZ(0px) rotateY(0deg);
		opacity: 1;
	}
}

@-webkit-keyframes MenuAnimIn2 {
	0% {
		-webkit-transform: translateX(-100%);
		opacity: 0;
	}
	100% {
		-webkit-transform: translateX(0px);
		opacity: 1;
	}
}

@-webkit-keyframes MenuAnimIn3 {
	0% {
		-webkit-transform: translateZ(300px);
		opacity: 0;
	}
	100% {
		-webkit-transform: translateZ(0px);
		opacity: 1;
	}
}

@-webkit-keyframes MenuAnimIn4 {
	0% {
		-webkit-transform: translateZ(-300px);
		opacity: 0;
	}
	100% {
		-webkit-transform: translateZ(0px);
		opacity: 1;
	}
}

@-webkit-keyframes MenuAnimIn5 {
	0% {
		-webkit-transform: translateY(40%);
		opacity: 0;
	}
	100% {
		-webkit-transform: translateY(0);
		opacity: 1;
	}
}

@-moz-keyframes MenuAnimIn1 {
	0% {
		-moz-transform: translateZ(-500px) rotateY(0deg);
		opacity: 0;
	}
	20% {
		-moz-transform: translateZ(-250px) rotateY(30deg);
		opacity: 0.5;
	}
	100% {
		-moz-transform: translateZ(0px) rotateY(0deg);
		opacity: 1;
	}
}

@-moz-keyframes MenuAnimIn2 {
	0% {
		-moz-transform: translateX(-100%);
		opacity: 0;
	}
	100% {
		-moz-transform: translateX(0px);
		opacity: 1;
	}
}

@-moz-keyframes MenuAnimIn3 {
	0% {
		-moz-transform: translateZ(300px);
		opacity: 0;
	}
	100% {
		-moz-transform: translateZ(0px);
		opacity: 1;
	}
}

@-moz-keyframes MenuAnimIn4 {
	0% {
		-moz-transform: translateZ(-300px);
		opacity: 0;
	}
	100% {
		-moz-transform: translateZ(0px);
		opacity: 1;
	}
}

@-moz-keyframes MenuAnimIn5 {
	0% {
		-moz-transform: translateY(40%);
		opacity: 0;
	}
	100% {
		-moz-transform: translateY(0);
		opacity: 1;
	}
}

@keyframes MenuAnimIn1 {
	0% {
		transform: translateZ(-500px) rotateY(0deg);
		opacity: 0;
	}
	20% {
		transform: translateZ(-250px) rotateY(30deg);
		opacity: 0.5;
	}
	100% {
		transform: translateZ(0px) rotateY(0deg);
		opacity: 1;
	}
}

@keyframes MenuAnimIn2 {
	0% {
		transform: translateX(-100%);
		opacity: 0;
	}
	100% {
		transform: translateX(0px);
		opacity: 1;
	}
}

@keyframes MenuAnimIn3 {
	0% {
		transform: translateZ(300px);
		opacity: 0;
	}
	100% {
		transform: translateZ(0px);
		opacity: 1;
	}
}

@keyframes MenuAnimIn4 {
	0% {
		transform: translateZ(-300px);
		opacity: 0;
	}
	100% {
		transform: translateZ(0px);
		opacity: 1;
	}
}

@keyframes MenuAnimIn5 {
	0% {
		transform: translateY(40%);
		opacity: 0;
	}
	100% {
		transform: translateY(0);
		opacity: 1;
	}
}

.dl-menuwrapper > .dl-submenu.dl-animate-in-1 {
	-webkit-animation: SubMenuAnimIn1 0.4s ease;
	-moz-animation: SubMenuAnimIn1 0.4s ease;
	animation: SubMenuAnimIn1 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-in-2 {
	-webkit-animation: SubMenuAnimIn2 0.3s ease-in-out;
	-moz-animation: SubMenuAnimIn2 0.3s ease-in-out;
	animation: SubMenuAnimIn2 0.3s ease-in-out;
}

.dl-menuwrapper > .dl-submenu.dl-animate-in-3 {
	-webkit-animation: SubMenuAnimIn3 0.4s ease;
	-moz-animation: SubMenuAnimIn3 0.4s ease;
	animation: SubMenuAnimIn3 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-in-4 {
	-webkit-animation: SubMenuAnimIn4 0.4s ease;
	-moz-animation: SubMenuAnimIn4 0.4s ease;
	animation: SubMenuAnimIn4 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-in-5 {
	-webkit-animation: SubMenuAnimIn5 0.4s ease;
	-moz-animation: SubMenuAnimIn5 0.4s ease;
	animation: SubMenuAnimIn5 0.4s ease;
}

@-webkit-keyframes SubMenuAnimIn1 {
	0% {
		-webkit-transform: translateX(50%);
		opacity: 0;
	}
	100% {
		-webkit-transform: translateX(0px);
		opacity: 1;
	}
}

@-webkit-keyframes SubMenuAnimIn2 {
	0% {
		-webkit-transform: translateX(100%);
		opacity: 0;
	}
	100% {
		-webkit-transform: translateX(0px);
		opacity: 1;
	}
}

@-webkit-keyframes SubMenuAnimIn3 {
	0% {
		-webkit-transform: translateZ(-300px);
		opacity: 0;
	}
	100% {
		-webkit-transform: translateZ(0px);
		opacity: 1;
	}
}

@-webkit-keyframes SubMenuAnimIn4 {
	0% {
		-webkit-transform: translateZ(300px);
		opacity: 0;
	}
	100% {
		-webkit-transform: translateZ(0px);
		opacity: 1;
	}
}

@-webkit-keyframes SubMenuAnimIn5 {
	0% {
		-webkit-transform: translateZ(-200px);
		opacity: 0;
	}
	100% {
		-webkit-transform: translateZ(0);
		opacity: 1;
	}
}

@-moz-keyframes SubMenuAnimIn1 {
	0% {
		-moz-transform: translateX(50%);
		opacity: 0;
	}
	100% {
		-moz-transform: translateX(0px);
		opacity: 1;
	}
}

@-moz-keyframes SubMenuAnimIn2 {
	0% {
		-moz-transform: translateX(100%);
		opacity: 0;
	}
	100% {
		-moz-transform: translateX(0px);
		opacity: 1;
	}
}

@-moz-keyframes SubMenuAnimIn3 {
	0% {
		-moz-transform: translateZ(-300px);
		opacity: 0;
	}
	100% {
		-moz-transform: translateZ(0px);
		opacity: 1;
	}
}

@-moz-keyframes SubMenuAnimIn4 {
	0% {
		-moz-transform: translateZ(300px);
		opacity: 0;
	}
	100% {
		-moz-transform: translateZ(0px);
		opacity: 1;
	}
}

@-moz-keyframes SubMenuAnimIn5 {
	0% {
		-moz-transform: translateZ(-200px);
		opacity: 0;
	}
	100% {
		-moz-transform: translateZ(0);
		opacity: 1;
	}
}

@keyframes SubMenuAnimIn1 {
	0% {
		transform: translateX(50%);
		opacity: 0;
	}
	100% {
		transform: translateX(0px);
		opacity: 1;
	}
}

@keyframes SubMenuAnimIn2 {
	0% {
		transform: translateX(100%);
		opacity: 0;
	}
	100% {
		transform: translateX(0px);
		opacity: 1;
	}
}

@keyframes SubMenuAnimIn3 {
	0% {
		transform: translateZ(-300px);
		opacity: 0;
	}
	100% {
		transform: translateZ(0px);
		opacity: 1;
	}
}

@keyframes SubMenuAnimIn4 {
	0% {
		transform: translateZ(300px);
		opacity: 0;
	}
	100% {
		transform: translateZ(0px);
		opacity: 1;
	}
}

@keyframes SubMenuAnimIn5 {
	0% {
		transform: translateZ(-200px);
		opacity: 0;
	}
	100% {
		transform: translateZ(0);
		opacity: 1;
	}
}

.dl-menuwrapper > .dl-submenu.dl-animate-out-1 {
	-webkit-animation: SubMenuAnimOut1 0.4s ease;
	-moz-animation: SubMenuAnimOut1 0.4s ease;
	animation: SubMenuAnimOut1 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-out-2 {
	-webkit-animation: SubMenuAnimOut2 0.3s ease-in-out;
	-moz-animation: SubMenuAnimOut2 0.3s ease-in-out;
	animation: SubMenuAnimOut2 0.3s ease-in-out;
}

.dl-menuwrapper > .dl-submenu.dl-animate-out-3 {
	-webkit-animation: SubMenuAnimOut3 0.4s ease;
	-moz-animation: SubMenuAnimOut3 0.4s ease;
	animation: SubMenuAnimOut3 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-out-4 {
	-webkit-animation: SubMenuAnimOut4 0.4s ease;
	-moz-animation: SubMenuAnimOut4 0.4s ease;
	animation: SubMenuAnimOut4 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-out-5 {
	-webkit-animation: SubMenuAnimOut5 0.4s ease;
	-moz-animation: SubMenuAnimOut5 0.4s ease;
	animation: SubMenuAnimOut5 0.4s ease;
}

@-webkit-keyframes SubMenuAnimOut1 {
	0% {
		-webkit-transform: translateX(0%);
		opacity: 1;
	}
	100% {
		-webkit-transform: translateX(50%);
		opacity: 0;
	}
}

@-webkit-keyframes SubMenuAnimOut2 {
	0% {
		-webkit-transform: translateX(0%);
		opacity: 1;
	}
	100% {
		-webkit-transform: translateX(100%);
		opacity: 0;
	}
}

@-webkit-keyframes SubMenuAnimOut3 {
	0% {
		-webkit-transform: translateZ(0px);
		opacity: 1;
	}
	100% {
		-webkit-transform: translateZ(-300px);
		opacity: 0;
	}
}

@-webkit-keyframes SubMenuAnimOut4 {
	0% {
		-webkit-transform: translateZ(0px);
		opacity: 1;
	}
	100% {
		-webkit-transform: translateZ(300px);
		opacity: 0;
	}
}

@-webkit-keyframes SubMenuAnimOut5 {
	0% {
		-webkit-transform: translateZ(0);
		opacity: 1;
	}
	100% {
		-webkit-transform: translateZ(-200px);
		opacity: 0;
	}
}

@-moz-keyframes SubMenuAnimOut1 {
	0% {
		-moz-transform: translateX(0%);
		opacity: 1;
	}
	100% {
		-moz-transform: translateX(50%);
		opacity: 0;
	}
}

@-moz-keyframes SubMenuAnimOut2 {
	0% {
		-moz-transform: translateX(0%);
		opacity: 1;
	}
	100% {
		-moz-transform: translateX(100%);
		opacity: 0;
	}
}

@-moz-keyframes SubMenuAnimOut3 {
	0% {
		-moz-transform: translateZ(0px);
		opacity: 1;
	}
	100% {
		-moz-transform: translateZ(-300px);
		opacity: 0;
	}
}

@-moz-keyframes SubMenuAnimOut4 {
	0% {
		-moz-transform: translateZ(0px);
		opacity: 1;
	}
	100% {
		-moz-transform: translateZ(300px);
		opacity: 0;
	}
}

@-moz-keyframes SubMenuAnimOut5 {
	0% {
		-moz-transform: translateZ(0);
		opacity: 1;
	}
	100% {
		-moz-transform: translateZ(-200px);
		opacity: 0;
	}
}

@keyframes SubMenuAnimOut1 {
	0% {
		transform: translateX(0%);
		opacity: 1;
	}
	100% {
		transform: translateX(50%);
		opacity: 0;
	}
}

@keyframes SubMenuAnimOut2 {
	0% {
		transform: translateX(0%);
		opacity: 1;
	}
	100% {
		transform: translateX(100%);
		opacity: 0;
	}
}

@keyframes SubMenuAnimOut3 {
	0% {
		transform: translateZ(0px);
		opacity: 1;
	}
	100% {
		transform: translateZ(-300px);
		opacity: 0;
	}
}

@keyframes SubMenuAnimOut4 {
	0% {
		transform: translateZ(0px);
		opacity: 1;
	}
	100% {
		transform: translateZ(300px);
		opacity: 0;
	}
}

@keyframes SubMenuAnimOut5 {
	0% {
		transform: translateZ(0);
		opacity: 1;
	}
	100% {
		transform: translateZ(-200px);
		opacity: 0;
	}
}

/* No JS Fallback */
.no-js .dl-menuwrapper .dl-menu {
	position: relative;
	opacity: 1;
	-webkit-transform: none;
	-moz-transform: none;
	transform: none;
}

.no-js .dl-menuwrapper li .dl-submenu {
	display: block;
}

.no-js .dl-menuwrapper li.dl-back {
	display: none;
}

.no-js .dl-menuwrapper li > a:not(:only-child) {
	background: rgba(0,0,0,0.1);
}

.no-js .dl-menuwrapper li > a:not(:only-child):after {
	content: '';
}
/* header */

.header{position:relative;height:50px;background:#E8DFCD;display: block;}
.header .logo{display:block;width:130px;height:30px;padding:10px 0 0 10px;}
.header .logo img{display:block;width:180%;}
.header .search{position:absolute;top:0;right:45px;z-index:1000;display:block;width:50px;height:50px;text-indent:-9999em;background:url(../img/icon-search.png) no-repeat center center;background-size:40%;background-color:#ad5e0f；}
.header .search:hover{background-color:#0067d2;}
.header .search span{display:none;}
.header .user-icon{position:absolute;top:0;right:70px;z-index:1000;display:block;width:50px;height:50px;text-indent:-9999em;background:url(../img/icon-user.png) no-repeat center center;background-size:40%;}
.header .user-icon span{display:none;}
.header .user-icon:hover{background-color:#0067d2;}
.header .back{position:absolute;top:0;left:0;display:block;width:50px;height:50px;text-indent:-9999em;background:url(../img/icon-back.png) no-repeat center center;background-size:12px 20px;}

@media (min-width:641px){body{width:640px;margin:auto;}}




        .read-the-docs {
          color: #888;
        }
        .box_archives{
          width:100%;
          padding: 80px 0;
          color: #fff;
          font-size: 18px;
          background: url('2019/img/2024DA/6.png');
        }
        .student_box{
            overflow: hidden;
            display: inline-block;
            outline: none; 
            /* box-sizing: border-box; */
        }
        .student_box>div>div{
            position: relative;
            width:238px;
            height:150px;
            border:1px solid #ccc;
            padding-top: 60px;
            float: left;
            margin:0 4px 4px 0px ;
            box-sizing: border-box;
            z-index: 1;
            cursor: pointer;
           
        }
        .student_box>div>div>img,.in_box_bottom>img,.in_box_top>img{
            transform:scale(0.5);
            display: none;
        }
        .student_box>div{
            overflow: hidden;
        }
        .in_box{
            width: 238px;
            display: inline-block;
            height: 304px;
            border: 1px solid #ccc;
            vertical-align: top;
            box-sizing: border-box;
            margin-right: 4px;
            background: url('2019/img/2024DA/13.png') no-repeat center;
            background-size:100%;
            position: relative;
            z-index: 1;
        }
        .in_box>div{
            height: 150px;
            /* line-height: 150px; */
            padding-top: 40px;
            box-sizing: border-box;
            cursor: pointer;
        }
        p{
            margin: 0px;
            box-sizing: border-box;
        }
        .in_box,.student_box>div>div{
            /* position: relative; */
        }
        .student_box>div>div::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(39, 107, 156, 0.7);
            z-index: -1;
        }
        .in_box::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
           background-color: rgba(147, 105, 105, 0.7); /* 浅灰色透明度50% */
            z-index: -1;
        }
        .student_box>div>div:hover{
            background-size: 120% !important;
            -webkit-transition: background-size .3s linear;
            transition: background-size .3s linear;
            box-shadow: 0 0 10px rgba(10, 10, 10, 0.5); /* 鼠标移入时的阴影效果 */
        }
        .student_box>div>div:hover img{
            display: inline-block;
        }
        .in_box:hover{
            background-size: 120%;
            -webkit-transition: background-size .3s linear;
            transition: background-size .3s linear;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); /* 鼠标移入时的阴影效果 */
        }
        .in_box_top:hover img{
            /* color: refd */
            display: inline-block;
        }
        .in_box_bottom:hover img{
            /* color: refd */
            display: inline-block;
        }