.about-box {
    background: url('../image/about/about.jpeg?v1') center center;
    background-size: 100% auto;
    height: 300px;
    position: relative;
    margin: 0;
}
.about-box::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    background-color: rgba(0,0,0,0.5);
    z-index: 0;
}
.about-box .title {
    position: absolute;
    width: 300px;
    left: 50%;
    margin-left: -150px;
    top: 160px;
    font-size: 40px;
    text-align: center;
    color: #fff;
}
.about-box .title::before {
    content: '';
    width: 20px;
    height: 100%;
    position: absolute;
    border: 2px solid #fff;
    top: 0;
    left: 0;
    border-right: 0;
    outline: none;
    transition: all .3s;
}
.about-box .title::after {
    content: '';
    width: 20px;
    height: 100%;
    position: absolute;
    border: 2px solid #fff;
    top: 0;
    left: 280px;
    border-left: 0;
    outline: none;
    transition: all .3s;
}
.about-box:hover .title::before {
    left: 299px;
    width: 0;
}
.about-box:hover .title::after {
    left: 0;
    width: 0;
}
.pages a {
    line-height: 40px;
    color: #444;
    background-color: #f2f2f2;
    font-size: 14px;
    display: block;
    text-align: center;
    margin-bottom: 5px;
}
.pages a.active, .pages a:hover {
    background-color: #f60;
    color: #fff;
}
p {
    color: #333;
    font-size: 15px;
    line-height: 30px;
    text-indent: 2em;
}
.body {
    padding-top: 30px;
    color: #333;
    font-size: 15px;
    line-height: 30px;
}
.logo {
    height: 40px;
    padding-bottom: 20px;
    margin-right: 50px;
}
.submit-box .layui-form .left-box, .submit-box .layui-form .right-box{
    width: 100% !important;
}
.submit-box .submit-btn-box {
    text-align: center;
}