body
{
    width: 100%;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

.main
{
    padding: 0;
    margin: 0;
}


.main .top
{
    width: 100%;
}

.img_all_box{
    width: 100%;
    font-size: 0;
}

.img_all_box img{
    width: 100%;
    height: 100%;
}

.change_top{
    margin-top: 5%;
}

.change_bottom{
    margin-bottom: 5%;
}

video{
    display: block;
    margin: 0 auto 5% auto;
}

.liuyan{
    position: absolute;
    left: 40%;
    top: 32%;
}

.liuyan input{
    width: 382px;
    height: 36px;
    border: none;
    border-radius: 5px;
    padding-left: 1%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

textarea{
    width: 784px;
    height: 200px;
    padding: 1%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    margin-top: 10px;
    border: none;
    border-radius: 5px;
}

.liuyan input:nth-child(2){
    margin-left: 20px;
}

.liuyan_box{
    position: relative;
}

.liuyan_btn{
    width: 100px !important;
    height: 32px;
    background-color: white;
    border: none;
    border-radius: 5px;
    color: #333 !important;
    margin-top: 10px;
    float: right;
}

.main .tab2 #fanhui
{
    width: 8.3%;
    height: 65px;
    background: #FF7100;
    border: 1px solid #FF7100;
    margin-left: 68.5%;
    margin-top: -45px;
    text-align: center;
    line-height: 63px;
}