body {
    background: #ffffff;
}
.banner {
    padding-top: 160px;
    color: #ffffff;
    background: url('../images/equipment/banner.jpg') no-repeat;
    background-position: top center;
    background-attachment: fixed;
    height: 440px;
}
.banner p {
    font-size: 50px;
    color: #ffffff;
    text-align: center;
    font-weight: bold;
}
.content {
    width: 100%;
    padding-bottom: 75px;
}
.content .red_div {
    height: 50px;
    width: 10px;
    margin: 0 auto;
    margin-top: -25px;
    background: #d4181c;
}
.content p.name {
    margin-top: 45px;
    font-size: 50px;
    font-weight: bold;
    color: #222222;
    text-align: center;
}
.content .width_640 {
    width: 640px;
    margin: 0 auto;
}
.content .width_920 {
    width: 920px;
    margin: 0 auto;
}
.content .text {
    margin-top: 40px;
    font-size: 16px;
    color: #777777;
    line-height: 28px;
}
.content .text p {
    text-indent: 2em;
}
.content .img_box {
    margin-top: 65px;
    overflow: hidden;
}
.content .img_box .left_img_box {
    float: left;
    width: 445px;
}
.content .img_box .right_img_box {
    float: right;
    width: 450px;
}
.content .img_box .img_div {
    margin-bottom: 25px;
    position: relative;
}
.content .img_box img {
    width: 100%;
    display: block;
}
.content .img_box .img_div:hover .hover_div {
    display: block;
}
.content .img_box .img_div .hover_div {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,.3);
    display: none;
}
.content .img_box .img_div .hover_div i {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    font-size: 35px;
    color: #ffffff;
    cursor: pointer;
}
.shield_img {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: rgba(0,0,0,.5);
    z-index: 99;
    display: none;
}
.shield_img i {
    position: absolute;
    right: 30px;
    top: 25px;
    font-size: 30px;
    color: #ffffff;
    cursor: pointer;
    z-index: 100;
}
.shield_img_box {
    margin: 0 auto;
    margin-top: 25px;
    text-align: center;
    overflow-y: auto;
    position: relative;
}
.shield_img_box img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}