.content {
    background-color: #f0f2f3;
}

.title {
    font-size: .24rem;
    margin-top: .8rem;
}

.desc {
    font-size: .16rem;
    color: #888;
    margin-top: .15rem;
}

.icon_box {
    width: 50%;
    margin: auto;
    text-align: center;
    margin-top: .9rem;
}

.icon_item {
    display: inline-block;
    padding-bottom: .5rem;
    position: relative;
    cursor: pointer;
    width: 25%;
}

.icon_item img {
    width: .6rem;
}

.icon_item .icon_title {
    font-size: .24rem;
    margin-top: .3rem;
    white-space: nowrap;
}

.icon_item.active .icon_title {
    color: #4f9bf9;
}

.icon_item .icon_title_small {
    font-size: .16rem;
    color: #888;
    margin-top: .1rem;
    white-space: nowrap;
}

.icon_item .arrow {
    position: absolute;
    border: .1rem solid transparent;
    border-top-color: #f0f2f3;
    top: 100%;
    left: 50%;
    margin-left: -.1rem;
    display: none;
    z-index: 2;
}

.icon_item.active .arrow {
    display: block
}

.icon_detail {
    width: 100%;
    overflow: hidden;
}

.swiper-wrapper {
    height: auto !important;
}

.swiper-wrapper,
.swiper-slide {
    width: 100%;
}

.swiper-slide {
    height: 0px !important;
}

.swiper-slide-active {
    height: auto !important;
}

.icon_detail .box {
    background-size: 100%;
    background-position: center top;
    background-repeat: no-repeat;
    padding: 0 3rem;
    color: #fff;
    box-sizing: border-box;
}

.icon_detail .video {
    background-image: url('../img/train_video_bg.jpg');
}

.icon_detail .API {
    background-image: url('../img/train_API_bg.png');
}

.icon_detail .develop {
    background-image: url('../img/train_develop_bg.png');
}

.icon_detail .question {
    background-image: url('../img/train_question_bg.jpg');
}

.icon_detail .box .left {
    width: 64%;
    padding-right: .9rem;
    margin-top: 1.25rem;
}

.icon_detail .box .text_title {
    font-size: .24rem;
}

.icon_detail .box .text_small {
    font-size: .16rem;
    margin-top: .36rem;
    line-height: 1.8;
}

.icon_detail .box .left .btn {
    display: inline-block;
    padding: .15rem .25rem;
    background-color: #3586ea;
    box-shadow: 0 0 20px #257ae4;
    color: #fff;
    font-size: .16rem;
    margin-top: .3rem;
}

.icon_detail .box .line {
    height: 2.7rem;
    width: 1px;
    background-color: #fff;
    margin-top: 1.4rem;
}

.icon_detail .box .right {
    padding-left: .7rem;
    margin-top: 1.25rem;
    width: calc(36% - 1px);
}

.icon_detail .box.video {
    padding-top: .45rem;
    padding-bottom: 1rem;
    padding: .45rem 4.2rem 1rem;
}

.icon_detail .box.video .video_title {
    font-size: .2rem;
    padding: 0 .15rem;
}

.icon_detail .box.video .video_title img {
    width: .2rem;
    margin-top: .02rem;
    margin-right: .1rem;
}

.icon_detail .box.video .video_title .search {
    height: .3rem;
    line-height: .3rem;
    border-left: 1px solid #fff;
}

.icon_detail .box.video .video_title .search input {
    height: .3rem;
    line-height: .3rem;
    background: none;
    border: none;
    outline: none;
    width: 3.15rem;
    color: #fff;
    padding: 0 .15rem;
}

.icon_detail .box.video .video_title .search input::-webkit-input-placeholder {
    /* Chrome/Opera/Safari */
    color: #b4b4b4;
}

.icon_detail .box.video .video_title .search input::-moz-placeholder {
    /* Firefox 19+ */
    color: #b4b4b4;
}

.icon_detail .box.video .video_title .search input:-ms-input-placeholder {
    /* IE 10+ */
    color: #b4b4b4;
}

.icon_detail .box.video .video_title .search input:-moz-placeholder {
    /* Firefox 18- */
    color: #b4b4b4;
}

.icon_detail .box.video .video_title .search img {
    vertical-align: middle;
}

.video_box {
    margin-top: .15rem;
}

.video_item {
    padding: .15rem;
}

.video_item1,
.video_item2 {
    width: 50%;
}

.video_item3 {
    width: 25%;
}

.video_item_bg {
    background-color: rgba(0, 0, 0, 0.5);
    padding: .15rem;
}

.img {
    overflow: hidden;
    position: relative;
}

.video_item1 .img {
    height: 3rem;
}

.video_item1 .video_text {
    line-height: .54rem;
    height: .54rem;
    font-size: .2rem;
    color: #fff;
    position: absolute;
    bottom: 0;
    left: 0;
    padding: 0 .15rem;
}

.video_item2 .video_text {
    line-height: 1.8;
    font-size: .16rem;
    color: #fff;
}

.video_item3 .video_text {
    font-size: .16rem;
    color: #fff;
    margin-top: 8px;
}

.video_item2 .img {
    width: 40%;
}

.video_item2 .img,
.video_item3 .img {
    height: 1.5rem;
}

.video_desc {
    font-size: .14rem;
    color: #999;
    line-height: .23rem;
    /*	overflow:hidden;*/
    margin-top: .15rem;
}

.video_item1 .video_desc {
    height: .46rem;
}

.video_item2 .video_right {
    width: 60%;
    padding-left: .35rem;
}

.video_item2 .video_desc {
    height: .46rem;
}

.video_item3 .video_desc {
    height: .69rem;
}

.icon_detail .box .right .download_box {
    margin-top: .5rem;
}

.icon_detail .box.API {
    padding: .95rem 0;
}

.API .download_box {
    width: 3rem;
    padding: .3rem;
    background: #fff;
    display: inline-block;
    margin-right: .6rem;
}

.API .download_box .type_icon {
    width: 1.8rem;
    margin: auto;
    font-size: .2rem;
    color: #333;
}

.API .download_box .type_icon img {
    width: .6rem;
}

.API .download_box .top_text {
    border-bottom: 1px solid #dedede;
    padding-bottom: .3rem;
    margin-bottom: .3rem;
}

.API .download_box .text {
    color: #999;
    font-size: .14rem;
    line-height: 1.8;
}

.download_box .bottom_btn {
    width: 1rem;
    height: .34rem;
    line-height: .34rem;
    margin: auto;
    background: #3586ea;
    color: #fff;
    border-radius: 2px;
    margin-top: .3rem;
}

.icon_detail .box.develop {
    padding: 1.2rem 0;
}

.develop .download_box {
    width: 10rem;
    height: 3rem;
    margin: auto;
    padding: .1rem;
    background-color: rgba(255, 255, 255, .5);
}

.develop .download_box .download_bg {
    background-color: #fff;
    width: 100%;
    height: 100%;
}

.develop .download_box .download_bg .type_icon {
    color: #333;
    width: 3.15rem;
    border-right: 1px solid #dedede;
    height: 1.8rem;
    padding: .15rem 0;
    margin-top: .5rem;
}

.develop .download_box .download_bg .type_icon img {
    width: .6rem;
}

.develop .download_box .download_bg .type_icon .top_text {
    font-size: .16rem;
    margin-top: .2rem;
}

.develop .download_box .download_bg .text {
    width: calc(100% - 3.15rem);
    padding-left: .7rem;
    padding-top: .45rem;
}

.develop .download_box .download_bg .text .top_text {
    font-size: .2rem;
    color: #333;
}

.develop .download_box .download_bg .text .bottom_text {
    font-size: .14rem;
    line-height: 1.8;
    color: #333;
    margin-top: .2rem;
}

.icon_detail .box.question {
    padding: .2rem 0;
}

.question_title {
    margin-top: .5rem;
}

.question_box {
    width: 1200px;
    margin: 0 auto;
}

.question_box .question_item {
    padding: .15rem;
    width: 50%;
}

.question_box .question_item .item_bg {
    background-color: rgba(0, 0, 0, .5);
    padding: .25rem 0;
    padding-left: .25rem;
}

.question_box .question_item.more .item_bg {
    cursor: pointer;
}

.question_item .item_bg .num {
    height: .42rem;
    width: auto;
    margin-right: .05rem;
}

.question_item.more .item_bg .num {
    width: .42rem;
    height: auto;
    margin-top: .16rem;
}

.question_item .item_bg .text {
    font-size: .14rem;
    margin-left: .35rem;
    line-height: 1;
    color: #fff;
}

.question_item.more .item_bg .text {
    width: calc(100% - .82rem);
    font-size: .16rem;
    line-height: .4rem;
    height: .4rem;
    background-image: url("../img/more_arrow.png");
    background-size: .4rem .4rem;
    background-position: calc(100% - .5rem) center;
    background-repeat: no-repeat;
}

.question_item.more .item_bg:hover .text {
    background-image: url("../img/more_arrow_hover.png");
}

.question_item .item_bg .text .top_text {
    color: #4f9bf9;
}

.question_item .item_bg .text .bottom_text {
    color: #fff;
    margin-top: .15rem;
}

.Popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9;
    display: none;
}

.Popup video {
    left: 50%;
    position: relative;
    width: 8rem;
    margin-left: -4rem;
    margin-top: -2.4rem;
    top: 50%;
}

@media (max-width: 768px) {
    html {
        font-size: 66.6667px !important;
    }
    body {
        min-width: 1280px;
    }
    /* .icon_box{
		display:none;
	}
	.icon_detail{
		margin-top:20px;
	}
	.question_box .question_item{
		width:100%;
	}
	.question_item .item_bg .text{
		font-size:14px;
		width:100%;
		margin-left:0;
		padding-right:.35rem;
	}
	.question_item .item_bg .text .bottom_text{
		margin-top:15px;
	}
	.question_box{
		padding:0 15px;
		padding-bottom:50px;
	} */
}