/* 登录 */
.login_mask {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .5);
    z-index: 9;
    display: none;
}

.login_box {
    position: absolute;
    padding: 20px 40px;
    margin: auto;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    width: 300px;
    height: 350px;
    background-color: #fff;
}

.login_top {
    text-align: center;
    padding-bottom: 30px;
    font-size: 2.5rem;
    color: #2d55b9;
    font-weight: bold;
}

.login_input {
    margin-bottom: 30px;
    padding: 15px;
    border: 1px #dedede solid;

    background-color: #f5f7fd;

}

.login_input input {
    font-size: 1.5rem;
    border: none;
    outline: none;
    background-color: transparent;
}

.login_btn {
    display: block;
    width: 100%;
    height: 50px;
    color: #fff;
    font-size: 1.6rem;
    border: none;
    outline: none;
    background-image: linear-gradient(to right, #2d55b9, #1a72d7);
    border-radius: 4px;
    cursor: pointer;
}

.login_btn_no {
    margin-top: 10px;
    display: block;
    width: 100%;
    height: 50px;
    color: #fff;
    font-size: 1.6rem;
    border: none;
    outline: none;
    background-image: linear-gradient(to right, #999, #ccc);
    border-radius: 4px;
    cursor: pointer;
}


/* 模块标题 */
.block_title {
    position: relative;
    padding: 30px 0;
    text-align: center;
}

.block_title h3 {
    position: relative;
    display: inline-block;
    font-size: 2.2rem;
}

.block_title h3::after,
.block_title h3::before {
    content: "";
    position: absolute;
    top: 14px;
    width: 20px;
    height: 2px;
    background-color: #000;
}

.block_title h3::before {
    left: -60px;

}

.block_title h3::after {
    right: -60px;
}

.block_title p {
    margin-top: 15px;
    font-size: 1.4rem;
    color: #666;
}

.block_title a{
    position:absolute;
    top: 40px;
    right: 0;
    font-size: 13px;
    font-weight: 700;
    color: #aaa;
    text-decoration: none;
    cursor: pointer;
}

/* 反色 【实验室简介】*/
.block_title_reverse h3 {
    padding-top: 50px;
    color: #fff;
}

.block_title_reverse h3::after,
.block_title_reverse h3::before {
    top: 65px;
    background-color: #fff;
}

.block_title_reverse p {
    color: #fff;
}


/* 轮播图-首页大背景图 */
.page_banner {
    width: 100%;
    overflow: hidden;
}

.page_banner img {
    display: block;
    width: 100%;
}


/* 系统平台【新-子系统】 */
.platform_box {
    margin-top: -120px;
    display: flex;
    height: 120px;
    line-height: 120px;

    line-height: 90px;
}

.platform_item {
    padding-right: 20px;
    position: relative;
    flex: 1;
    text-align: right;
    color: #fff;
    cursor: pointer;
    overflow: hidden;

    padding-right: 0;
    padding-left: 40px;
    text-align: left;
    background-color: rgba(0, 0, 0, .3);
    border-left: 1px  rgba(255,255,255,.1) solid;

}

.platform_item p {
    position: relative;
    font-size: 22px;
    z-index: 2;
}

.platform_item span {
    position: absolute;
    top: 30px;
    right: 20px;
    width: 100%;
    z-index: 2;

    left: 40px;
}

.platform_item img {
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    transition: all .3s;
    filter: blur(3px);
 
}

.platform_item:hover img {
    filter: blur(0px);
}

.platform_item:hover {
    background-color: rgba(0, 0, 0, .7);
    text-shadow: 1px 1px 1px #000;
}

/* 子系统 【旧】*/
.system_box {
    display: flex;
}

.system_item {
    flex: 1;
    padding: 20px 20px;
    margin-right: 20px;
    height: 250px;
    text-align: center;
    border-radius: 4px;
    box-shadow: 0 0 5px #C2D6FD;
    cursor: pointer;
}

.system_item:last-child {
    margin-right: 0;
}


.system_img {
    margin: 0 auto;
    width: 120px;
    height: 120px;

}

.system_img img {
    width: 100%;
}

.system_name {
    padding: 0px 0 10px 0;
    font-size: 1.6rem;
    font-weight: bold;
}

.system_info {
    line-height: 25px;
    font-size: 1.2rem;
    color: #999;
}

.system_entrance {
    margin: 0 auto;
    position: relative;
    width: 80px;
    height: 40px;
}

.system_entrance::before {
    content: "";
    position: absolute;
    margin: auto;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: #1b5dd5;
}

.system_entrance::after {
    content: "";
    position: absolute;
    margin: auto;
    left: 49px;
    top: 0;
    bottom: 0;
    width: 8px;
    height: 8px;
    border-top: 2px #1b5dd5 solid;
    border-right: 2px #1b5dd5 solid;
    transform: rotate(45deg);
}

/* 实验室简介 */

.intro_box {
    position: relative;
    /* background-image: url(../Image/banner_1.jpg);
    background-size: 100%; */


}

.intro_box_img{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url(../Image/banner_7.jpg) no-repeat fixed;
    background-size: 100%; 
    background-position: bottom;
    filter: blur(2px)  grayscale(50%);

}

.intro_mask {
    position: relative;
    padding-bottom: 60px;
    background-color: rgba(0, 0, 0, .5);
    z-index: 2;
    text-shadow: 1px 1px 1px #000;
}

.intro_main {
    margin: 0 auto;
    width: 1200px;
    color: #fff;
    line-height: 35px;
    font-size: 1.6rem;
    text-indent: 2rem;
}


/* 新闻资讯 */
.new_box {
    height: 440px;
}

.new_left {
    position: relative;
    display: flex;
    float: left;
    width: 45%;
    height: 100%;
    border-bottom: 1px #dedede solid;
}

.new_right {
    float: left;
    margin-left: 40px;
    width: calc(55% - 40px);
    height: 100%;
    border-bottom: 1px #dedede solid;
}


.new_right_top {
    display: flex;
    height: 250px;
}

.new_right_bottom {
    height: 30%;
}

.new_block {
    position: relative;
    flex: 1;
    margin-right: 20px;
    cursor: pointer;
}

.new_block:last-child {
    margin-right: 0;
}



.new_block_img {
    margin-bottom: 10px;
    height: 55%;
    background-color: #eee;
    overflow: hidden;
}

.new_block_img img {
    width: 100%;
}

.new_block_title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;

}

.new_block_info {
    height: 58px;
    vertical-align: top;
    /* overflow: hidden;  */
    position: absolute;
    margin: 10 0;
    line-height: 18px;
    font-size: 1.2rem;
    color: #999;

}

.new_block_date {
    position: absolute;
    bottom:5px;
    font-size: 2rem;
}

.new_block_date time {
    margin-left: 10px;
    font-size: 1.2rem;
    color: #999;
}

.new_list {
    padding: 15px 0;
    font-size: 1.4rem;
    border-top: 1px #dedede solid;
    cursor: pointer;
}

.new_list span {
    float: right;
    font-weight: bold;
    font-size: 1.5rem;
}

.new_list time {
    margin-left: 8px;
    font-weight: normal;
    font-size: 1.2rem;
    color: #999;
}

/* 新闻banner */

.new_banner {
    margin-right: 0;
    position: relative;
    display: none;
    z-index: 1;
}

.banner_tab {
    position: absolute;
    top: 265px;
    width: 100%;
    text-align: right;
    z-index: 2;
}

.banner_tab_span {
    display: inline-block;
    margin-right: 5px;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    background-color: #00342b;
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
}

.banner_tab_span_clk {
    font-weight: 700;
    color: #fff;
    background-color: #128b77;
}