.main{
    width: 100%;
    height: 100%;
    margin-bottom: 30px;
    background-color: #F5F6F7;
    position: relative;
}
.index-main{
    width: 100%;
    height: 100%;
    background-color: #F5F6F7;
    overflow: hidden;
}
.index-top{
    width: 100%;
    /* display: flex; */
    /* flex-direction: column; */
    position: relative;
}
.index-swiper-box{
    width: 100%;
    height: 108px;
    /* background-color: #30bf62; */
}
.index-swiper-box>img{
    height: 108px;
}
.shade-swiper{
    width: 375px;
    height: 90px;
    opacity: 0;
    position: absolute;
    z-index: 12;
    top: 0;
    right: 0;
    left: 0;
}
.index-search{
    width: 100%;
    height: 50px;
    padding: 0 12px;
    box-sizing: border-box;
    background-color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
}
.index-search-box{
    width: 100%;
    height: 34px;
    padding: 0 4px 0 12px;
    box-sizing: border-box;
    border-radius: 17px;
    position: relative;
    background: #F5F6F7;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
    overflow: hidden;
}
.index-search-box>a{
    position: absolute;
    width: 100%;
    height: 34px;
    z-index: 8;
    opacity: 0;
}
.search-type-box {
    width: 52px;
    height: 18px;
    border-right: 1px solid #C2C5CB;
}
.drop-down-list {
    min-width: 85px;
    position: absolute;
    left: 10px;
    top: 49px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: white;
    z-index: 10;
    box-shadow: 0 1px 4px 0 rgba(206,206,206,0.5);
    border-radius: 6px;
    .drop-down-item {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 85px;
        height: 36px;
        font-size: 13px;
        &:last-child::after{
            border: none !important;
        }
    }
    &::before{
        content: "";
        position: absolute;
        top: -3px;
        left: 0;
        right: 0;
        margin: 0 auto;
        width: 0;
        height: 0;
        border-style: solid;
        border-width: 4px;
        border-color: transparent transparent #fff #fff;
        transform: rotate(135deg);
        box-shadow: -2px 1px 1px 0 rgba(206,206,206,0.2);
        z-index: 20;
    }
}
.index-search-left {
    width: calc(100% - 68px);
}
.index-search-left>input{
    width: calc(100% - 34px);
    height: 34px;
    background-color: #F5F6F7;
    margin-left: 2px;
    font-size: 14px;
    color: #303133;
    border: none;
}
.index-search-left>input::placeholder{
    font-size: 14px!important;
	color: #909399!important;
}
.index-search-input {
    width: calc(100% - 24px)
}
.index-search-input>input{
    width: calc(100% - 34px);
    height: 34px;
    background-color: #F5F6F7;
    margin-left: 8px;
    font-size: 14px;
    color: #303133;
    border: none;
}
.index-search-input>input::placeholder{
    font-size: 14px!important;
	color: #909399!important;
}
.index-search-input>input::-webkit-search-cancel-button {
    display: none;
}
.img-box {
    width: 34px;
    height: 34px;
}
.index-search-button{
    width: 56px;
    height: 26px;
    background-color: #30bf62;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 26px;
    position: relative;
}
.index-search-button>input {
    width: 56px;
    height: 26px;
    position: absolute;
    z-index: 1;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    opacity: 0;
}
.knowledage-box{
    width: 100%;
    border-radius: 10px;
    padding: 14px 0 0;
    box-sizing: border-box;
}
.video-box{
    width: 100%;
    border-radius: 10px;
    padding: 14px 14px 0;
    box-sizing: border-box;
}
.hot-box{
    width: 100%;
    border-radius: 10px;
    padding: 14px 14px 0;
    box-sizing: border-box;
}
.normal-question-top{
    width: 100%;
    border-bottom: 1px solid #F0F0F0;
    padding-bottom: 12px;
    box-sizing: border-box;
}
.file-box{
    padding: 12px 12px 0;
    box-sizing: border-box;
}
.knowledage-item{
    width: 25%;
    margin-bottom: 14px;
    /* height: 72px; */
}
.item-image{
    width: 44px;
    height: 44px;
}
.video-play{
    width: 87px;
    height: 59px;
    position: relative;
}
.video-play-box{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9;
    opacity: 0;
}
.video-item{
    width: 87px;
    height: 59px;
    /* background: #30bf62; */
    border-radius: 6px;
}
.watch-icon{
    width: 20px;
    height: 20px;
    position: absolute;
    top: 19.5px;
    left: 33px;
    z-index: 8;
}
.video-line{
    width: calc(100% - 12px);
    height: 1px;
    background-color: #E6E6E6;
    margin-top: 15px;
    margin-left: 12px;
}
.hot-line{
    width: calc(100% - 16px);
    height: 1px;
    background-color: #E6E6E6;
    margin-left: 16px;
}
.bottom-box1{
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
}
.bottom-box2{
    position: relative;
}
.bottom-feed-back{
    height: 70px;
    padding: 0 12px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0px -1px 7px 0px rgba(201,201,201,0.35);
}
.bottom-feed-back>a{
    width: 351px;
    height: 80px;
    position: absolute;
    z-index: 8;
    top: 0;
    left: 0;
    opacity: 0;
}
.bottom-feed-back1{
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    padding: 10px 12px;
    box-sizing: border-box;
    box-shadow: 0px -1px 7px 0px rgba(201,201,201,0.35);
}
.height-80{
    height: 80px;
}
.bottom-feed-back-margin{
    margin-top: -10px;
}
.placeholder-text{
    position: absolute;
    top: 10px;
    left: 11px;
}
.feedback-textarea{
    position: relative;
    height: 169px;
    padding: 12px 10px;
    border: 1px solid #c7c7c7;
    border-radius: 6px;
    box-sizing: border-box;
}
.feedback-textarea>textarea{
    width: calc(100% - 6px);
    height: 120px;
    margin-bottom: 10px;
    font-size: 14px;
    color: #303133;
}
.feedback-textarea>textarea::placeholder{
    font-size: 14px;
    color: #909499;
}
.textarea-limit{
    width: 100%;
    text-align: right;
    font-size: 13px;
    color: #909499;
}
.upload-image{
    width: 75px;
    height: 75px;
    border-radius: 6px;
    /* background-color: #30bf62; */
    position: relative;
    margin-right: 15px;
    margin-bottom: 15px;
}
.upload-image>img:last-child{
    position: absolute;
    z-index: 8;
    top: -6px;
    right: -20px;
    margin-right: 15px;
}
.add-image{
    width: 75px;
    height: 75px;
    margin-bottom: 15px;
    border-radius: 6px;
    background-color: #FFFFFF;
    border: 1px dashed #909499;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}
.upload1, .upload2, .upload3, .upload4{
    width: 75px;
    height: 75px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 8;
    opacity: 0;
}
.phone-input>input{
    font-size: 13px;
    color: #303133;
}
.phone-input>input::placeholder{
    font-size: 13px!important;
    color: #909499!important;
}
.file-load{
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 8;
    opacity: 0;
}
.index-item-a {
    width: 100%;
    height: 51px;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}
.index-item-box{
    width: 100%;
    height: 51px;
    border-bottom: 1px solid #F0F0F0;
    box-sizing: border-box;
}
.all-hot1-item:last-child .index-item-box, 
.platform-hot1-item:last-child .index-item-box,
.equipment-hot1-item:last-child .index-item-box,
.all-hot2-item:last-child .index-item-box, 
.platform-hot2-item:last-child .index-item-box,
.equipment-hot2-item:last-child .index-item-box,
.all-hot3-item:last-child .index-item-box, 
.platform-hot3-item:last-child .index-item-box,
.equipment-hot3-item:last-child .index-item-box,
.all-hot4-item:last-child .index-item-box, 
.platform-hot4-item:last-child .index-item-box,
.equipment-hot4-item:last-child .index-item-box,
.file-study:last-child .index-item-box{
    border-bottom: 0;
}
.commit-input{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    opacity: 0;
}
.index-content-limit {
    width: calc(100% - 12px);
	overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1; /* 限制在一个块元素显示的文本的行数 */
    -webkit-box-orient: vertical; /* 垂直排列 */
    word-break: break-all;  /* 内容自动换行 */
}
.no-data-video {
    width: 100%;
	margin-bottom: 12px;
	display: flex;
    flex-direction: column;
	align-items: center;
	justify-content: center;
}
.no-data-hot {
	width: 100%;
	margin-top: 100px;
	margin-bottom: 106px;
	display: flex;
    flex-direction: column;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
}
.no-data-guide-box {
	width: 100%;
	margin-top: 137px;
	display: flex;
    flex-direction: column;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
}
.no-data-txt {
    font-size: 14px;
    color: #909399;
    line-height: 1;
    text-align: center;
    margin-top: -24px;
}

.top-menu-select-item {
    width: 50%;
    height: 46px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #30bf62;
    font-weight: bold;
    position: relative;
}
.top-menu-select-item::after {
    content: '';
    width: 24px;
    height: 3px;
    background: #30BF62;
    border-radius: 2px;
    position: absolute;
    bottom: 4px;
    left: calc(50% - 12px);
}
.top-menu-unselect-item {
    width: 50%;
    height: 46px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #62676C;
}
.subclassification-box {
    width: 100%;
    padding-left: 14px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
}
.subclassification-select-item {
    height: 28px;
    padding: 0 19px;
    box-sizing: border-box;
    color: #30BF62;
    font-weight: bold;
    position: relative;
	border: none;
}
.subclassification-select-item:after{
	border: 1px solid #30BF62;
	border-radius: 28px;
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	width: 200%;
	height: 200%;
	-webkit-transform: scale(0.5);
	transform: scale(0.5);
	-webkit-transform-origin: left top;
	transform-origin: left top;
	pointer-events:none;
}
.subclassification-unselect-item {
    height: 28px;
    padding: 0 19px;
    box-sizing: border-box;
    color: #909399;
    position: relative;
	border: none;
}
.subclassification-unselect-item:after{
	border: 1px solid #C2C5CB;
	border-radius: 28px;
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	width: 200%;
	height: 200%;
	-webkit-transform: scale(0.5);
	transform: scale(0.5);
	-webkit-transform-origin: left top;
	transform-origin: left top;
	pointer-events:none;
}
.list-box {
    width: 100%;
    margin-bottom: 12px;
    padding: 0 14px;
    box-sizing: border-box;
    background-color: #FFFFFF;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
}
.video-box .list-item:last-child {
    border-bottom: 0;
}
.list-box .list-item:last-child {
    border-bottom: 0;
}
.list-item {
    height: 52px;
    border-bottom: 1px solid #F0F0F0;
    display: flex;
    align-items: center;
    position: relative;
}
.list-item .article-a {
    width: 100%;
    height: 52px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1;
    opacity: 0;
}
.list-video-play{
    width: 116px;
    height: 72px;
    position: relative;
}
.list-watch-icon{
    width: 31px;
    height: 31px;
    position: absolute;
    top: 18.5px;
    left: 40.5px;
    z-index: 1;
}
.list-video-item{
    width: 116px;
    height: 72px;
    border-radius: 8px;
}
.list-video-right {
    width: calc(100% - 116px);
    margin-left: 14px;
}
.list-item .video-a {
    width: 100%;
    height: 90px;
    position: absolute;
    top: 5px;
    left: 0;
    right: 0;
    z-index: 2;
    opacity: 0;
}
.search-left {
    width: calc(100% - 16px);
}
.search-download-left {
    width: calc(100% - 60px);
}
.download-btn {
    width: 56px;
    height: 24px;
    font-size: 13px;
    color: #30bf62;
    line-height: 24px;
    text-align: center;
    position: relative;
}
.download-btn-a {
    width: 56px;
    height: 24px;
    font-size: 13px;
    color: #30bf62;
    line-height: 24px;
    text-align: center;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1;
}
.top-search-box {
    padding: 8px 12px;
    box-sizing: border-box;
}
.history-record {
    width: calc(100% - 24px);
    margin: 12px 0 0 12px;
    padding: 16px 14px 4px;
    box-sizing: border-box;
    border-radius: 10px;
}
.scale-1px-b-E6{
	position: relative;
	border:none;
}
.scale-1px-b-E6:after{
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	border-bottom: 1px solid #E6E6E6;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	width: 200%;
	height: 200%;
	-webkit-transform: scale(0.5);
	transform: scale(0.5);
	-webkit-transform-origin: left top;
	transform-origin: left top;
	pointer-events:none;
}
.scale-1px-30bf62{
	position: relative;
	border:none;
}
.scale-1px-30bf62:after{
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	border: 1px solid #30bf62;
    border-radius: 8px;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	width: 200%;
	height: 200%;
	-webkit-transform: scale(0.5);
	transform: scale(0.5);
	-webkit-transform-origin: left top;
	transform-origin: left top;
	pointer-events:none;
}