a:link{text-decoration:none;color:#999999;}

a:visited{text-decoration:none;color:#999999;}

span {
    display: block;
}

.index_head_div {
    background-size: cover;
    height: 600px;
    display: flex;
    align-items: center;
    /*background-image: url("imgs/home/pic1.png")*/
}

.index_head_div_content {
    padding: 0 365px;
    display: flex;
    flex-direction: column;
}

* {
    padding: 0;
    margin: 0;
}

.container {
    /*width:100%;*/
    height: 600px;
    overflow: hidden;
    position: relative;
    margin: 0 auto;
}

.list {
    /*width:3000px;*/
    height: 400px;
    position: absolute;

}

.list > img {
    float: left;
    height: 600px;
}

.pointer {
    position: absolute;
    width: 100px;
    bottom: 20px;
    left: 50%;
}

.pointer > span {
    cursor: pointer;
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid #fff;
}

.pointer .on {
    background: #FFFFFF;
}

.arrow {
    position: absolute;
    text-decoration: none;
    width: 40px;
    height: 40px;
    background: #727d8f;
    color: #fff;
    font-weight: bold;
    line-height: 40px;
    text-align: center;
    top: 50%;
    display: none;
}

.arrow:hover {
    background: #0f0f0f;
}

.left {
    left: 0;
}

.right {
    right: 0;
}

.container:hover .arrow {
    display: block;
}
.open_input2{
    cursor: pointer;
}
.open_input2:hover{
    background-color: #5B6B81;
}

.open_span2{
    cursor: pointer;
}
.open_span2:hover{
    color: #1678ff;
}


form{
    display: flex;
    flex-direction: column;
    width: 80%;
    height: 100%;
}