#structures-active {
    color: #ffc600;
}

#research-orientation {
    text-align: center;
}

.orientation-item {
    width: 100%;
    display: inline-block;
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 20px;
    font-weight: bold;
    color: #f0f0f0;
    background-color: #743481;
}

.orientation-item:hover {
    color: #ffc600;
    cursor: pointer;
}

.selected {
    color: #743481;
    background-color: rgba(116, 52, 129, 0.2);
    border-bottom: none;
    box-shadow: 0 5px 5px 0 #743481;
    transition: all 0.3s ease;
}

.current-orientation {
    transition: opacity 0.2s ease;
}

.category-item {
    box-shadow: 0 0 50px #999;
    margin-bottom: 15px;
}

.category-name {
    padding: 15px;
}

.sub-category-list {
    padding: 0 15px;
}

.vice-name {
    padding-left: 15px;
}

.item-info {
    display: flex;
    flex-wrap: wrap;
}

.item-content {
    width: 145px;
    text-align: center;
    display: inline-block;
    margin-bottom: 20px;
    vertical-align: top;
}

.item-name {
    line-height: 56px;
}

.item-name-inside {
    display: inline-block;
    vertical-align: middle;
    line-height: normal;
}

.item-thumbnail:hover {
    cursor: pointer;
}

/* 弹出对话框相关元素设置 */
#current-structure {
    margin-bottom: 50px;
}

#overlay{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1001;
    transition: all 0.3s ease;
}

.beneath {
    opacity: 0;
    visibility: hidden;
}

#popup-header {
    width: 100%;
    height: 30px;
    background-color: #743481;
    margin-bottom: 10px;
}

#closeit {
    float: right;
    font-size: 15px;
    position: relative;
    right: 10px;
    top: 5px;
}

#closeit:hover {
    cursor: pointer;
}

#popup-structure {
    position: fixed;
    top: calc(15% + 10px);
    left: 0;
    right: 0;
    width: 100%;
    max-width: 600px;
    height: 70%;
    background-color: #f0f0f0;
    z-index: 1002;
    margin: auto;
    -webkit-transition: opacity 0.3s ease;
    -moz-transition: opacity 0.3s ease;
    -ms-transition: opacity 0.3s ease;
    transition: opacity 0.3s ease;
}

#popup-body {
    padding: 10px;
    height: calc(100% - 40px);
    overflow: auto;
    text-align: center;
}

.large-img {
    margin: 10px 0;
    max-width: 100%;
}

.describtion {
    text-align: left;
    padding: 5px 30px;
    line-height: 20px;
}

/* 禁止窗口弹出后，滚动页面 */
.nooverflow {
    overflow: hidden;
    padding-right: 16px;
}

@media screen and (max-width: 620px) {
    .item-info {
        justify-content: space-around;
    }
}

@media screen and (min-width: 720px) {
    #research-orientation {
        height: 76px;
    }

    .orientation-item {
        width: calc(24% - 4px);
        height: 100%;
        line-height: 15px;
        vertical-align: middle;
    }

    .orientation-item:after{
        display: inline-block;
        width: 0;
        height: 100%;
        vertical-align: middle;
        content: '';
    }
}