* {
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    overflow-x: hidden;

}

img {
    vertical-align: middle;
}

.top .head {
    box-sizing: border-box;
    padding-left: 50px;
    height: 80px;
    background: url(../index_image/nav-bg.png) no-repeat;
    width: 100%;
    background-size: cover;
    align-items: center;
    display: flex;
    flex-direction: row;
}

.top .text-f {
    display: flex;
    flex-direction: row;
    white-space: nowrap;
    font-size: 16px;
    margin-left: 140px;
}

.top .text-f .f {
    padding: 30px 55px;
    list-style: none;
    color: #ffffff;
    text-decoration: none;
}
.middle{
	max-width: 70vw;
	min-width: 70vw;

}
.middle .zjjy {
    position: relative;

}

.middle .zjjy .en {
    position: absolute;
    z-index: -1;
    left: 0;
    top: 0;
    color: #dbdbdb;
    font-size: 40px;
    margin-left: 279px;
    margin-top: -24px;
    text-transform: uppercase;

}

.middle .zjjy .zh {
    margin-left: 279px;
    margin-top: 64px;
    font-size: 35px;
    font-weight: bold;


}

.picture {
    margin-top: 80px;
    display: flex;
    justify-content: center;
    align-items: center;

}

.content {
    margin: 0 279px;
}

.content .big {
    margin: 60px 0;
    font-weight: bold;
    font-size: 28px;
}

.content .small {
    text-indent: 2em;
    font-size: 25px;
}

.dibu {
    height: 280px;
    display: flex;
    align-items: center;
    background: url('../index_image/di.png') no-repeat;
    background-size: cover;
}

.dibu .wenzi {
    margin-left: 279px;
    display: flex;
    color: #ffffff;
    flex-direction: column;

}

.dibu .code {
    margin-left: 150px;
}
li{list-style: none;}
.dibu .logo {
    margin-left: 150px;
}
.content .small p img {width:97%;margin: 15px 25px 15px -2em;}
.content .small p {font-size:16px;line-height: 30px;}
.content {
  border: 1px solid #eaeaea;
  padding: 0 30px;
}