.smart-parkbg {
    background-image: url(../images/person/main.jpg);
    background-repeat: no-repeat;
    ackground-size: auto 100%;
    background-position-x: center;
}
.slider-content span {
    font-size: 66px;
    font-family: Noto Sans S Chinese;
    font-weight: 300;
    line-height: 112px;
    color: #FEFEFE;
    letter-spacing: 4px;
    opacity: 1;
}


.title {
    margin-top: 120px;
}

.title h3 {
    font-size: 50px;
    font-family: Alibaba PuHuiTi;
    font-weight: bold;
    line-height: 80px;
    color: #333333;
    letter-spacing: 4px;
    opacity: 1;
}

.title h4 {
    margin-bottom: 20px;
    font-size: 20px;
    font-family: Arial;
    font-weight: 400;
    line-height: 40px;
    color: #333333;
    letter-spacing: 4px;
    opacity: 1;
}



/* 解决方案简介  start */
.user_scene div {
    width: 48%;
    margin: 0 auto;
}

.smart {
    box-sizing: border-box;
    background-color: rgba(72, 164, 255, 1);
    margin-top: 40px;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.smart .context {
    padding-top: 10%;
    font-family: Microsoft YaHei UI;
    letter-spacing: 4px;
}

.smart .context h2 {
    color: #FFFFFF;
    font-size: 40px;
    font-weight: bold;
    line-height: 80px;
    
}

.smart .context h4 {
    color: #FFFFFF;
    font-size: 20px;
    font-weight: 300;
    line-height: 50px;
}
.tab{
    display: inline-block; 
    padding:0 1.56vw;
    height: 3vw; 
    font-size: 2vw; 
    font-weight: 400;
    color: #666666; 
    line-height:3vw;
    text-align: center;
    margin-left:2.1vw;
}
.tab2{
    background: #E6A23C; 
    border-radius: 0.25vw;
    font-weight: bold; 
    color: #FFFFFF; 
}
.foot_card{
    display: inline-block;
    height: 18.75vw;
    float: left;
    margin: 0 5.625vw 2.08vw 0;
}
.card_img:hover{
    box-shadow: 0.5vw 0.5vw 0.25vw #888888;
    cursor:pointer;
    transform:translate(0,-1vw)
}
.card_img{
    width:16.7vw;
    height:14.6vw;
    border-radius:0.5vw;
    border: solid 1px #C4C4C4;
    transition: all 0.5s linear 0s;
}
.card_title{
    height: 4.2vw;
    font-size: 1.25vw; 
    max-width: 16.7vw;
    font-weight: 400;
    color: #666666;
    line-height: 2.08vw;
    margin-top: 0.5vw;
    text-align: center;
}
.display{
    display: none;
}
.st1 {
    height: 60px;
    width: 700px;
    margin-left: 55%;
}
.st2 {
    height: 32px;
    width: 60px;
    background-color: #ffffff;
    border-radius: 4px;
    margin-left: 6px;
    margin-top: 20px;
    float: left;
    border: 0.5px solid #C4C4C4;
    color: #000000;
    text-align: center;
    line-height: 32px;
    font-size: 13px;
}
.st3{
    height: 32px;
    width: 40px;
    background-color: #ffffff;
    border-radius: 4px;
    margin-left: 6px;
    margin-top: 20px;
    float: left;
    border: 0.5px solid #C4C4C4;
    color: #000000;
    text-align: center;
    line-height: 32px;
    font-size: 13px;
}
.chosed {
    background-color: #E6A23C;
    color: #ffffff;
    border: none;
}