@charset "utf-8";

/* header */
.header {
    background: #F7F9FA;
}

body {
    background: #F7F9FA;
}

.test_equ_top {
    margin-bottom: 80px;
    background: var(--white-color);
    overflow: hidden;
}
.test_equ_top .equ_left {
 padding: 72px 38px;
    width: 49%;
}
.test_equ_top .equ_right {
    width: 51%;
}
.test_equ_top .equ_right img {
width: 100%;
height: 100%;
object-fit: cover;
}
.test_equ_top .equ_left .title {
    padding-bottom: 16px;
    position: relative;
    color: var(--dark-color);
font-weight: 400;
line-height: 1.5;
}
/* .test_equ_top .equ_left .title::before {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 10px;
    height: 1px;
    background-color: var(--main-color);
} */
.test_equ_top .equ_left .text {
    padding-top: 24px;
font-size: 16px;
font-style: normal;
font-weight: 400;
line-height: 26px; 
}
.test_equ_top .equ_left .text p {
    padding-bottom: 20px;
}
.equ_more{
    padding-top: 50px;
}
@media (max-width:1279px) {
    .test_equ_top .equ_left {
        padding: 50px 38px;
    }


}
@media (max-width:991px) {
    .test_equ_top {
        flex-wrap: wrap;
        margin-bottom: 50px;
    }
    .test_equ_top .equ_left,
    .test_equ_top .equ_right {
        width: 100%;
    }
    .equ_more {
        padding-top: 30px;
    }


}
@media (max-width:767px) {
    .test_equ_top .equ_left {
        padding: 30px 26px;
    }


}


/* 实验设备 */
.test_equ_box {
    padding-top: 50px;
    padding-bottom: 60px;
    background-color: var(--white-color);
}
.test_equ_box .equ_title {
    color: var(--dark-color);
font-weight: 400;
line-height: 1.5;
}
.display_list {
    padding-top: 36px;
    width: 100%;
}

.display_list ul {
    margin-left: -12px;
    margin-right: -12px;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
}

.display_list ul li {
    float: left;
    width: 25%;
    padding: 12px;
}
.display_list .dis_img {
    width: 50%;
}

.display_list .pic {
    position: relative;
    height: 100%;
    padding-bottom: 92%;
    overflow: hidden;
}
.display_list .dis_img .pic {
    padding-bottom: 44.5%;
}
.display_list  .pic i {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    transition: all 1s linear 0s;
    -webkit-transition: all 1s linear 0s;
    -moz-transition: all 1s linear 0s;
    -ms-transition: all 1s linear 0s;
    -o-transition: all 1s ease-in-out;
}

.display_list .pic img {
    display: none;
}

.display_list .text {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 106px;
    display: flex;
    align-items: flex-end;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.50) 0%, rgba(0, 0, 0, 0.00) 100%);
    padding: 32px;
    z-index: 99;
}

.display_list .text .title {
    color: #FFF;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.display_list li:hover .mask {
    opacity: 1
}

.display_list li:hover .pic i{
    -moz-transform: scale(1.1);
    -ms-transform: scale(1.1);
    -webkit-transform: scale(1.1);
}

.read_more {
    padding-top: 50px;
    display: flex;
    justify-content: center;
}


@media screen and (max-width:991px) {
    .display_list .text {
        padding: 16px 20px;
    }
}

@media screen and (max-width:767px) {
    .test_equ_top .equ_left .title {
        font-size: 22px;
    }
    .display_list ul li,.display_list .dis_img {
        width: 33.33%;
    }
    .display_list  .pic {
        padding: 0 !important;
    }
    .display_list .pic i {
        position: relative;
        display: block;
    }
    .display_list .pic img {
        display: block;
    }
  
}

@media screen and (max-width:540px) {
    .test_equ_box {
        padding-top: 40px;
        padding-bottom: 50px;
    }
    .display_list {
        padding-top: 26px;
    }
    .display_list ul li,.display_list .dis_img {
        width: 100%;
    }
    .read_more {
        padding-top: 40px;
    }
}