.center-container{
    width:100%;
    margin: 0;
    padding: 0;
    position: relative;
}

.center-bg{
    width: 100%;
}

.center-bg img{
    width:100%;
}

.center-content{
    width:100%;
    position: absolute;
    z-index: 10;
    top: 0;
}

.content-list{
    width:80%;
    margin: 50px auto;
}

.content-list li{
    list-style: none;
    padding:30px;
}
.content-list li a{
    display: flex;
    width: 100%;
    padding: 20px;
    background-color: rgba(200,200,200,0.5);
    justify-content:left;
    text-decoration: none;
}
.content-list li a:hover{
    text-decoration: none;
}

.list-icon{
    width:80px;
    margin: 0 50px;
}
.list-icon img{
    width:100%;
}

.list-text{
    font-size: 40px;
    line-height: 80px;
    color:#fff;
}

.about-container{
    width:100%;
    margin: 0;
    padding: 0;
}
.about-content{
    width:100%;
    margin: 0;
    padding: 0;
    position: relative;
}
.about-content-text{
    width:100%;
    margin: 0;
    padding: 0;
    margin-bottom: 40%;
}
.about-content-text img{
    width: 100%;
}
.about-content-product{
    width:100%;
    margin: 0;
    padding: 0;
    position: absolute;
    z-index: 10;
    top:60%;
}
.about-content-product-img{
    width: 80%;
    margin: 0 auto;
}
.about-content-product-img img{
    width:100%;
}
.about-video{
    width:100%;
    margin: 0;
    padding: 0;
}

.about-video-title{
    width:100%;
    font-size: 45px;
    line-height: 80px;
    font-weight: bold;
    text-align: center;
}

.about-video-content{
    width: 80%;
    margin: 0 auto;
    border-radius: 5px;
}
#video{
    border-radius: 5px;
}

.about-link{
    width:100%;
    margin: 20px auto;
    padding: 0;
}

.about-link-title{
    margin: 10px 20px;
    font-size: 35px;
    line-height: 60px;
}
.about-link-content{
   width:100%;
}

.about-link-content a{
    display: block;
    margin: 10px 20px;
    font-size: 35px;
    line-height: 60px;
    color:#000;
    text-decoration: none;
    word-wrap: break-word;
}

.about-link-content a:hover{
    color:#000;
    text-decoration: none;
}

.about-message{
    width:100%;
    margin: 30px auto;
    padding: 0;
}

.about-message-title{
    margin: 10px 20px;
    font-size: 35px;
    line-height: 60px;
}

.about-message-content{
    margin: 10px 20px;
    padding: 20px 40px;
    border: 2px solid #5cb85c;
    border-radius: 10px;
    font-size: 35px;
    line-height: 45px;
}
.about-message-content textarea{
    display: block;
    width:100%;
    height:300px;
    border: none;
    text-decoration: none;
    word-wrap: break-word;
    outline:none;
}

.img-link-wrap{
    width: 100%;
    margin: 0;
    padding: 0;
}
.img-link-wrap .img-link-item{
    width:90%;
    padding: 0;
    margin: 0 auto;
}

.img-link-wrap .img-link-title {
    text-align: center;
    margin: 20px 0;
    font-size: 20px;
}
.img-link-wrap .img-link {
    width: 80%;
    display: block;
    margin: 0 auto;
}
.video-wrap {
    display: none;
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    align-items: center;
}
.video-wrap .video-mask {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .4);
}
.video-wrap .video-item {
    position: absolute;
    bottom: 0;
    top: 50%;
    transform: translateY(-50%);
}