.header_left{
    position: absolute;
    top: 0;
    left: 0;
    width: 47%;
    height: 100%;
    background-color: #000;
    opacity: .2;
}
.text{
    color: #fff;
    position: absolute;
    top: 20%;
    left: 14%;
    width: 72%;
    height: 80%;
}
.series{
    background: url(../img/简介/底纹.png) no-repeat;
    background-size: 100% 100%;
    width: 100%;
    min-height: 400px;
    padding-top: 30px;
}
.series_content{
    width: 77%;
    margin: 0 auto;
    text-align: center;
}
.list{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    margin-top: 20px;
    justify-content: center;
   
}
.listItem:hover .mask{opacity:0}
.listItem:hover .float{opacity:0}
.listItem{
    width: 30%;
    /*height: 380px;*/
    /*background: url('../img/简介/图1.jpg') no-repeat;*/
    /*background-size: 100%;*/
    text-align: left;
    position: relative;
    margin: 15px;
    cursor: pointer;
 
}
.listItem img{
    max-width: 100%;
}

.mask{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 1;
     -webkit-transition: 0.3s all;-moz-transition: 0.3s all;-o-transition: 0.3s all;transition: 0.3s all;
}
.float{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 11;
    padding: 10px;
     -webkit-transition: 0.3s all;-moz-transition: 0.3s all;-o-transition: 0.3s all;transition: 0.3s all;
}

.idea {
    position: relative;
    overflow: hidden;
    padding-bottom: 38%;
    width: 100%;
    background-image: url(../img/idea_bj.jpg);
    background-size: 100% 100%;
    font-size: 2.2rem;
    font-family: 微软雅黑;
}
.idea_title {
    top: -23.5%;
    left: 51.3%;
    width: 26.4%;
    transform: translateX(-50%);
}
.idea_btn, .idea_left, .idea_line, .idea_right, .idea_title {
    position: absolute;
}
.idea_hover .idea_title {
    animation: 1s title .5s forwards;
}
.idea_line {
    top: -38%;
    left: 26.3%;
    width: 51.8%;
    height: 1px;
    background: #fff;
}
.idea_left {
	left: -40%;
	width: 28.7%
}

.idea_right {
	right: -40%;
	width: 28.7%
}

.idea_hover .idea_line {
    animation: .5s line forwards;
}
.idea_body {
    position: absolute;
    top: 40%;
    display: flex;
    width: 100%;
    height: 26.5%;
    color: #fff;
    justify-content: center;
    align-items: center;
}
.idea_left {
    left: -40%;
    width: 28.7%;
}

.idea_hover .idea_title {
	animation: 1s title .5s forwards
}

.idea_hover .idea_line {
	animation: .5s line forwards
}

.idea_hover .idea_left {
	animation: 1s left 1.5s forwards
}

.idea_hover .idea_right {
	animation: 1s right 1.5s forwards
}

.idea_hover .idea_btn {
	animation: 1s btn 1.5s forwards
}
.cor_no{
    display: none !important;
}
@keyframes title {
	0% {
		top: 0
	}

	to {
		top: 23.5%
	}
}

@keyframes line {
	0% {
		top: 0
	}

	to {
		top: 38%
	}
}

@keyframes left {
	0% {
		left: 0
	}

	to {
		left: 21%
	}
}

@keyframes right {
	0% {
		right: 0
	}

	to {
		right: 21.7%
	}
}

@keyframes btn {
	0% {
		bottom: 0
	}

	to {
		bottom: 21%
	}
}
.idea_btn {
    bottom: -21%;
    left: 51.4%;
    box-sizing: border-box;
    padding: .5% 0;
    width: 20.9%;
    background-color: #b92727;
    color: #fff;
    text-align: center;
    letter-spacing: 2px;
    font-weight: 700;
    font-size: 5rem;
    transform: translateX(-50%);
    align-items: center;
}

.cooperation {
	margin-left: 14%;
	width: 72%
}
.chart, .cooperation, .giao, .history_time>:nth-child(2) {
    margin-top: 5%;
}
.titleplus {
    border-bottom: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    width: 55%;
    margin: 0 auto;
}
.cooperation {
    margin-bottom: 7%;
}
.borderbottom {
    border-bottom: 1px solid #c52620;
    display: flex;
    display: -webkit-box;
    display: -moz-box;
    align-items: center;
}
.title_logo {
    width: 15%;
}
.title_logo img {
    width: 100%;
    max-width: 100%;
}
.china {
    font-size: 3.6rem;
    font-weight: 500;
    letter-spacing: 5px;
    margin-left: 5%;
}
.english {
    font-size: 1.8rem;
    color: #c52620;
    margin-left: 3%;
}
.history_details {
    margin-top: 4%;
    text-indent: 2%;
    font-size: 1.6rem;
    font-family: 微软雅黑;
    line-height: 200%;
}
.album {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.album>div {
    position: relative;
    float: left;
    overflow: hidden;
    box-sizing: border-box;
    padding: 1%;
    width: 32%;
    background: #f5f5f5;
    box-shadow: 0 0 10px #bebebe;
}
.album>div, .list_down {
    margin-top: 2%;
}
.album img, .idea_left img, .idea_right img, .idea_title>img, .introduce>img, .partner_border img, .seatimg>img {
    display: block;
    width: 100%;
    max-width: 100%;
    max-height: 100%;
}
.album>div img {
    display: block;
}

.album_mask {
    position: absolute;
    top: -100%;
    left: 0;
    z-index: 2;
    display: table;
    width: 100%;
    height: 100%;
    background: #000;
    color: #fff;
    text-align: center;
    opacity: .6;
}
.album_mask>span {
    display: table-cell;
    vertical-align: middle;
    font-size: 1.4rem;
}
.corporate_icons {
    width: 23%;
    background-color: #334d75;
    color: white;
    text-align: center;
    padding: 2%;
    font-size: 1.6rem;
    box-sizing: border-box;
    position: relative;
}
.corporate {
    width: 100%;
}

.corporate_icons_list {
    width: 72%;
    margin-left: 14%;
    display: flex;
    justify-content: space-between;
    margin-top: 3%;
}
.corporate_icons {
    width: 23%;
    background-color: #334d75;
    color: white;
    text-align: center;
    padding: 2%;
    font-size: 1.6rem;
    box-sizing: border-box;
    position: relative;
}
.corporate_icons_active {
    background-color: #b92827;
}
.corporate_icons_active::before {
    content: "";
    width: 10%;
    padding-bottom: 10%;
    background-color: #b92827;
    position: absolute;
    bottom: 0;
    left: 50%;
    z-index: -1;
    transform: translate(-50%,50%) rotate(45deg);
}
.corporate_icons>div:first-child {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 4%;
}
.corporate_item {
    width: 100%;
    padding-bottom: 19%;
    background-image: url("../img/cor_bj.png");
    background-size: 100%;
    margin-top: 3%;
    position: relative;
}
.cor_item {
    width: 72%;
    height: 60%;
    margin-left: 14%;
    display: flex;
    justify-content: space-between;
    position: absolute;
    top: 10%;
}
.cor_item img {
    max-width: 100%;
    max-height: 100%;
    display: block;
    border: 1px solid #b6b7b9;
    padding: 0.5%;
}
.tips {
    /* margin-top: 8%; */
    /* margin-bottom: 3%; */
    text-align: center;
    font-size: 1.4rem;
    position: absolute;
    bottom: 2%;
    width: 100%;
    color: white;
}
.tips span {
    color: red;
}
.cor_no {
    display: none !important;
}
.foot{margin-top:0;}

*{font-size:inherit;}




@media (max-width: 959px){
    html{
        font-size: 40% !important;
    }
}
@media (min-width: 960px){
    html{
        font-size: 30.5% !important;
    }
}
@media (min-width: 1024px){
    html{
        font-size: 25.5% !important;
    }
} 
@media (min-width: 1100px) {
    html{
        font-size: 35.5% !important;
    }
} 
@media (min-width: 1280px) {
    html{
        font-size: 40.5% !important;
    }
} 
@media (min-width: 1366px) {
    html{
        font-size: 42.5% !important;
    }
}  
@media (min-width: 1440px) {
    html{
        font-size: 47.5% !important;
    }
} 
@media (min-width: 1680px) {
    html{
        font-size: 52.5% !important;
    }
} 
@media (min-width: 1920px) {
    html{
        font-size: 62.5% !important;
    }
}