.bgc {
    background: url(../images/bgc1.jpg) no-repeat center;
    height: 300px;
}

.shaow {
    position: relative;
    height: 300px;
    background-color: rgba(0, 0, 0, .3);
}

.bgc_title {
    font-size: 38px;
    color: #fff;
    font-weight: 400;
    padding-top: 130px;
    text-shadow: 0px 0px 10px rgba(0, 0, 0, 0.97);
}

.content {
    height: 850px;
}

.content_title {
    text-align: center;
    color: #2d578f;
    font-size: 30px;
    margin-top: 30px;
    margin-bottom: 30px;
}

.content .A4 {
    float: left;
    width: 600px;
    height: 750px;
    background-color: #fff;
    text-align: center;
    border: 1px solid #E3E3E3;
    box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.5);
}

.a4_title {
    font-size: 32px;
    margin-top: 150px;
    font-weight: 700;
}

.a4_data {
    margin-top: 350px;
    font-size: 16px;
}

.a4_company {
    margin-top: 20px;
    font-size: 16px;
}

.content .a5 {
    float: left;
    position: relative;
    width: 600px;
    margin-top: 150px;
}

.a5 .a5_title {
    font-size: 18px;
    font-weight: 700;
    padding: 10px 20px 10px 50px;
    text-indent: 0px;
}

.a5 p {
    font-size: 16px;
    padding-left: 50px;
    text-indent: 20px;
    line-height: 28px;
}

.a5 img {
    position: absolute;
    top: 240px;
    right: 10px;
    width: 350px;
}