/*初始化样式*/
html {
    margin: 0;
    padding: 0;
    border: 0;
}

body,
div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
p,
blockquote,
pre,
a,
address,
code,
b,
em,
img,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
footer,
header,
hgroup,
nav,
section {
    margin: 0;
    padding: 0;
    border: 0;
}

body {
    background: #fff;
    color: #666;
    position: relative;
    font: 12px/1.5 Microsoft YaHei, arial, 宋体, sans-serif;
    vertical-align: baseline;
    width: 100%;
    overflow-x: hidden;
}


.tech {
    width: 100%;  
    /* background: url(../images/tech.png)no-repeat bottom center; */
    padding-top: 10px;
    padding-bottom: 100px;
    position: relative;
    left: -23rem;
}
.tech canvas {
    width: 1920px !important;
}
.tech-con {
    position: relative;
    z-index: 3;
}

.tech-list {
    margin-top: 45px;
}

.tech-list ul li:first-child {
    margin-left: 0;
}

.tech-list ul li {
    cursor: pointer;
    float: left;
    border: solid 1px #ddd;
    text-align: center;
    padding-top: 30px;
    width: 138px;
    height: 170px;
    position: relative;
    margin-left: 19.4px;
}

.tech-list ul li .tech-img {}

.tech-list ul li .tech-img img {
    max-width: 100%;
}

.tech-list ul li .tech-img .img2 {
    display: none;
}

.tech-list ul li:hover .tech-img .img2 {
    display: block;
}

.tech-list ul li:hover .tech-img .img1 {
    display: none;
}

.tech-list ul li h3 {
    font-size: 16px;
    color: #333;
    margin-top: 20px;
}

.tech-list ul li p {
    font-size: 12px;
    color: #aeaeae;
    margin-top: 5px;
    font-family: Arial;
    text-transform: uppercase;
}

.tech-list ul li span {
    position: absolute;
    width: 40px;
    color: #999;
    background: #eeeeee;
    line-height: 24px;
    font-size: 16px;
    font-family: Arial;
    font-weight: 600;
    text-align: center;
    display: block;
    bottom: -12px;
    left: 34%;
}

.tech-list ul li:hover span {
    background: #00a650;
    color: #fff;
}

.tech-list ul li:hover h3 {
    color: #00a650;
}

.tech-list ul li:hover {
    border: solid 1px #00a650;
}