.youtube_hot,.video_hot,.audio_hot{
    display:block;
}
.guide_content .container{
    width:1150px;
}
.cont_area .cont_body{
    width:760px;
    margin-right: 70px;
}
.cont_area .cont_side{
    width:320px;
}
div.art-title {
    margin-top:20px;
    background: #fff url(/images/about-banner.jpg) no-repeat center bottom;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}
div.art-title h1{
    padding-top: 48px;
    padding-bottom: 48px;
    font-size: 36px;
    color: #fff;
    line-height: 1.5;
    text-align:center;
}
.article_body_left div {
    text-align: center;
}
.article_body_left .summary{
    font-size:16px;
    background: #e9f5fb;
    padding: 20px;
    margin-bottom: 30px;
    border: 1px solid #e9f5fb;
    text-align: left;
}
.article_body_left .summary strong{
    background: url(/images/summary.png) no-repeat 0 0;
    display: inline-block;
    height: 25px;
    font-size: 22px;
    color: #259bd6;
    padding: 0 0 0 35px;
    line-height: 25px;
    font-weight:500;
    margin-bottom:15px;
}

.seo-header-top .seo-Key-box {
    margin-top: 30px;
}
.seo-Key-box .key-box-donwload {
    margin-top: 30px;
    border: 1px solid #f0f4c3;
    background-color: #f0f4c3;
}
.seo-Key-box .key-box-donwload>div>img{
    padding:20px;
}
.flex-row-start {
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    flex-flow: row nowrap;
    justify-content: flex-start;
    align-items: center;
}
.donwload-list ul {
    list-style: none;
}
.donwload-list ul li {
    margin-top: 15px;
    text-align:left;
}
div.donwload-list>p {
    font-size: 26px;
    text-align:center;
}
.donwload-list p{
    font-size:16px;
}

.flex-row-between a.down{
    width: 200px;
    height: 60px;
    line-height: 60px;
    font-size: 20px;
    font-weight:600;
}
.seo-related {
    margin-top: 40px;
    border: 1px solid #e5e5e5;
}
.seo-related h5 {
    padding-left: 15px;
    margin-top: 30px;
    color: #639c1f;
    font-size: 18px;
}
.related-text {
    margin-top: 30px;
}
.seo-header-top p {
    font-size: 15px;
    line-height: 30px;
}
.related-text a {
    color: #333;
}
.col-lg-12 .col-lg-6 ul{
    text-align: left;
}
.article_body_left div.nav_anchor{
    text-align:left;
}


.ado-right-item {
    border-radius: 20px;
    border: 1px solid #eeeeee;
    overflow: hidden;
    margin-bottom: 40px;
    padding-bottom: 20px;
}
.ado-right-title {
    text-align:center;
    height: 50px;
    padding: 12px 16px !important;
    background-color: #F4F4F4;
    border: 1px solid #eeeeee;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    text-transform: none;
}
.flex-row-center {
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    align-items: center;
}
.pro_icon {
    margin: 25px 10px 0 10px;
    margin-left: 10px;
}
img {
    vertical-align: middle;
    border-style: none;
}
.mrgt25 {
    margin-top: 25px;
}
a {
    color: #007bff;
    text-decoration: none;
    background-color: transparent;
}
.feabox {
    width: 60%;
    margin-left: 15px;
    font-size: 13px;
}
.btn {
    display: inline-block;
    font-weight: 400;
    color: #212529;
    text-align: center;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: .25rem;
    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}
.btn {
    text-decoration: none;
    font-size: 18px;
    padding: 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

@media (min-width: 992px){
.btn {
    padding: 0 15px;
}
}
.green-sm-btn {
    font-size: 14px;
    height: 32px;
    width: 108px;
    color: #ffffff;
    border-radius: 54px;
    background-color: #f44336;
    margin-right: 5px;
}
.blue-sm-btn {
    height: 40px;
    width: 126px;
    color: #ffffff;
    border-radius: 54px;
    background-color: #46b1e2;
}
a .win-r,a .mac-r{
    display:none;
}
.green-sm-btn:hover{
    color: #f44336;
    background-color: #ffffff;
    border-color:#f44336;
}
.blue-sm-btn:hover{
    color: #f44336;
    background-color: #ffffff;
    border-color:#f44336;
}
a.green-sm-btn:hover .win-w,a.blue-sm-btn:hover .mac-w {
    display:none;
}
a.green-sm-btn:hover .win-r,a.blue-sm-btn:hover .mac-r {
    display:block;
}


.btn span, .btn:focus span {
    text-align: center;
    width: 200%;
    font-size: 14px;
    flex: 1;
}
.blue-sm-btn {
    height: 32px;
    width: 108px;
    color: #ffffff;
    border-radius: 54px;
    background-color: #46b1e2;
}
@media (min-width: 768px){
.btn span, .btn:focus span {
    font-size: 18px;
}
}
@media (min-width: 992px){
.btn {
    padding: 0 15px;
}
}
.ado-right-item ul {
    padding: 0 8px;
    list-style: none;
}
.ado-right-item ul li {
    background: url(/images/icon-mobi-list.png) 10px center no-repeat;
    padding: 10px 3px 10px 22px;
    border-bottom: 1px solid #e5e5e5;
    line-height: 20px;
}
.ado-right-item ul li a {
    color: #333;
    font-size: 14px;
}
textarea{
    height:160px;
}
@media (max-width: 768px){
.guide_content .container {
    width: 90%;
}
.cont_area .cont_body,.cont_area .cont_side {
    width: 100%;
}
.cont_area .cont_side {
    margin-top:20px;
}
div.art-title h1{
    font-size: 24px;
}
}