.find_main_img {
    width: 100%;
    height: 35vw;
    background-size: 100%;
}

.our_learning_principles {
    width:94%;
    margin:0 auto 5%;
}

.our_txt {
      font-size: 0.3em;
    margin-top: 3%;
    margin-bottom: 3%;
    line-height:140%;
}
.school_item {
    width: 100%;
    height: 25vw;
    background-size: 100%;
    float: left;
    border-radius: 5px;
    background: #b3282d;
        overflow: hidden;
}

.school_desc {
    width: 100%;
    height: 100%;
    top: 70%;
    bottom: 0;
    background: rgba(0,0,0,.5);
}

.school_title {
         color: #fff;
    font-size: 0.3em;
    left: 5%;
    top: 8%;
    width: 80%;
    line-height: 1.4em;
    display: -webkit-box; 
display: -moz-box;  
white-space: pre-wrap; 
word-wrap: break-word;
overflow: hidden; 
text-overflow: ellipsis; 
 -webkit-box-orient: vertical; 
-webkit-line-clamp:2;  
}

.btn_more {
    color: #fff;
    right: 5%;
    top: 3%;
    font-size: 0.5em;
    cursor: pointer;
}
.teacher_desc {
    margin-top:13%;
        height: 13vw;
        overflow:hidden;
    display:none;
}
.desc_read_more {
    display:none;
        font-size: 0.2em;
    font-weight: bold;
    bottom: 5%;
    right: 5%;
    color: #fff;
    border-bottom: 1px solid #fff;
    cursor: pointer;
}
.school_space {
    width:1%;
    height:25vw;
    float:left;
}
.our_icon {
    width: 75%;
    top: 13%;
    margin: 0 auto;
    left: 0;
    right: 0;
}


.read_more_pop {
    display:none;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.9);
    opacity: 1;
    z-index: 999;
}

.read_more_area {
        width: 70%;
    height: 40vw;
    left: 50%;
    top: 50%;
    margin: -20vw -35%;
}

.headimg {
width: 30%;
}

.read_more_txt {
       color: #fff;
    width: 65%;
    right: 0;
}

.read_more_desc {
       margin-top: 5%;
    font-size: 0.28em;
    line-height: 140%;
}
.teacher_name {
        font-size: 0.45em;
}

.teacher_school {
        font-size: 0.35em;
}

.swiper-button-next.swiper-button-disabled, .swiper-button-prev.swiper-button-disabled {
    opacity: 0;
}
.swiper-button-next, .swiper-button-prev {
    position: absolute;
    top: 50%;
    width: 40px;
    height: 40px;
    margin-top: -20px;
    z-index: 10;
    cursor: pointer;
    background-size: 40px 40px;
    background-position: center;
    background-repeat: no-repeat;
}

.swiper-button-next, .swiper-container-rtl .swiper-button-prev {
    background-image: url(../img/right.png);
    right: -20px;
    left: auto;
}

.swiper-button-prev, .swiper-container-rtl .swiper-button-next {
    background-image: url(../img/left.png);
    right: -20px;
    left: auto;
}
.btn_next {
    right: -20px;
    margin-top: 0;
}

.btn_prev {
    left: -20px;
    margin-top: 0;
}
.item_txt {
    color:#fff;
    text-align: center;
    width: 100%;
    top: 26%;
    font-weight: bold;
        font-size: 0.88em;
}
.swiper-container-principles {
	width: 100%;
	height: 100%;
	overflow: hidden;
}
.swiper-container {
	width: 100%;
	height: 100%;
}
@media (max-width: 768px) {
	.swiper-container {
		height: auto !important;
	}
	.school_item{
		width: 100%;
		height: 75vw;
	}
	.school_item.bg1,.school_item.bg3{
		margin-right: 3%;
	}
	.school_item.bg4{
		margin-right: 0;
	}
	.school_item.bg3{
		margin-top: 20px;
	}
	.swiper_desc{
		width: 100%!important;
		/* background: rgb(45, 45, 45)!important; */
		/*position: initial;*/
		/* padding: 30px 30px 70px 30px; */
		/* top:223px; */
	}
	
	.swiper-container-principles .swiper-slide {
		display: block!important;
		width: 100%!important;
	}
	.swiper-container-horizontal>.swiper-pagination-bullets,
	.swiper-pagination-custom,
	.swiper-pagination-fraction {
		bottom: 10px!important;
	}
	.find_main_img {
		/*margin-bottom: 52vw;*/	
		height: auto !important;
        overflow: unset;
	}
	.desc_title,.desc_content{
		/* margin-left: 50px!important; */
	}
	.btn_video {
		/* font-size: 28px;
		top: -35%;
		margin-left: 50px;
		text-align: left;
		right: 0;
		left: 30px; */
	}
	.btn_video .play_icon{
		width: 12%;
	}
	.select_careers_item{
		width: 49%;
		margin-right: 0;
		font-size: 30px;
		height: 50px;
    	line-height: 50px;
	}
	.main_txt{
		width: 90%!important;
		top: 374px;
	}
	.more_icon {
		top: 22.5px;	
	}
	.select_careers_item:nth-child(3),.select_careers_item:nth-child(4){
		display: none;
	}
	.select_careers_item:nth-child(1){
		margin-right: 2%;
	}
	.select_careers {
		height: 25vw;
	}
	.btn_search_careers{
		position: initial;
		clear: both;
		width: 60%!important;
		margin: 80px auto;
		height: 50px;
		line-height: 50px;
		font-size: 30px;
	}
	.quote {
		width: 50px;
		margin-top: 462px;
	}
	.how_teacher_img{
	    right: 4%;
	    height: 500px;
	    top: 15px;
	}
	.how_teacher_desc{
		width: 95%;
	}
	.how_teacher_txt{
		font-size: 30px;
	}
	.teacher_detail {
    font-size: 20px;
	line-height: 28px;
    text-align: right;
    bottom: 5%;
	}
	.how_teacher_content{
		height: 125vw!important;	
	}
	.our_title{
		text-align: left;
		font-size: 30px;
	}
	.our_txt{
		text-align: left;
		font-size: 22px;
		line-height: 32px;
	}
	.btn_video .play_icon {
	    width:15%;
	    top: 9%;
	    right: 0;
	}
	.swiper-container-principles{
		height: auto!important;
	}
	.school_title {
		font-size: 24px;
	}
	.btn_more{
		font-size: 30px;
	}
	.desc_read_more{
		font-size: 22px;
	}
	.teacher_desc{
		font-size: 20px;
		height: auto;
		line-height: 20px;
	}
	.teacher_desc{
		margin-top: 2%;
	}
	.item_txt{
		font-size: 38px;
	}
	.swiper-slide  .school_ite,.bg3{
		margin-top: 0!important;
	}
	.sub_nav{
		font-size: 24px;
        z-index:10;
	}
}
@media (min-width: 1657px) {
    .find_main_img {
        height: 580px !important;
    }
}