html {
    height: 100%;
}
body {
    height: 100%;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 3px rgba(0,0,0,.3);
}
/* 头部 */
header {
    height: 20%;
    border: 1px solid red;
}
/* 主体 */
main {
    height: 80%;
    position: relative;
}

/* ------------------ 输送线总成 ------------------ */
.site-row {
    position: absolute;
    top: 122px;
}
/* 输送线第一列 */
.site-row-1 {
    left: 200px;
}
.site-row-1 .site {
    width: 100px;
}
/* 输送线第二列 */
.site-row-2 {
    left: 300px;
}
.site-row-2 .site {
    width: 100px;
}
/* 输送线第三列 */
.site-row-3 {
    left: 400px;
    width: 100px;
}
.site-row-3 .site {
    float: left;
    width: 100px;
}
/* 输送线第四列 */
.site-row-4 {
    left: 500px;
    width: 100px;
}
.site-row-4 .site {
    float: right;
    width: 100px;
}

/* 站点 */
.site {
    color: #333;
    height: 20px;
    border: 1px solid #fff;
    cursor: pointer;
    width: 50px;
    text-align: center;
    background-color: #21ff3a;
    font-size: 13px;
}
/* 无效站点（必须在site下面） */
.site-none {
    border: none;
    background-color: transparent;
}

/* ------------------ 货架总成 ------------------ */
.main-part {
    position: absolute;
    top: 250px;
    left: 400px;
}

/* 排号 */
.row-no {
    margin-left: 80px;
}

/* 库位组 */
.stock-group .item {
    float: left;
    border-top: 1px solid #333!important;
    border-bottom: 1px solid #333!important;
    border-left: 1px solid #333!important;
    border-right: 1px solid #333!important;
    border-right: none;
}
.stock-group .item:last-child {
    /*border-right: 1px solid #333!important;*/
}
.stock-group::after, .stock-group::before {
    content: "";
    display: table;
    clear: both;
}
.stock-group .site {
    width: 80px;
    float: left;
}
button.item {
    font-size: 13px;
    padding: 1px 1px 1px 1px;
    width: 20px;
    height: 20px;
    outline: none;
    cursor: pointer;
    color: #333;
    background-color: transparent;
    transition: 0.4s;
}
button.item:hover {
    background-color: #333;
    color: #fff;
}

/* 堆垛机 */
.machine {
    margin-left: 30px;
    position: relative;
    background-color: #fff;
    height: 20px;
    width: 80px;
    background-image: url("../image/Crane_auto.png");
    background-repeat: no-repeat;
    background-size:100% 100%;
    background-position: top center;
    cursor: pointer;
}

/* 堆垛机轨道 */
.pathway {
    margin-left: 30px;
    border: 1px solid #333;
    position: absolute;
    background-color:#333!important;
    color: #333 !important;
    width: 90%;
    margin-top: 10px;
    z-index: -1;
}


/* 输送线相关 */
.site:hover {
    opacity: 0.7;
}


/* 动画 */
/*.machine {*/
    /*position: relative;*/
    /*-webkit-animation: machine 2s;*/
    /*animation: machine 2s;*/
    /*animation-fill-mode: forwards;*/
/*}*/
/*@-webkit-keyframes machine {*/
    /*from {left: 0;}*/
    /*to {left: 100px}*/
/*}*/
/*@keyframes animationCrn {*/
    /*from {left: 0}*/
    /*to {left: 100px}*/
/*}*/