html, body{
    margin: 0;
    padding: 0;
}
body{
    font-size: 16px;
    line-height: 1.5;
    font-family: 'Segoe UI',SegoeUI,'Microsoft YaHei',微软雅黑,"Helvetica Neue",Helvetica,Arial,sans-serif;
    -webkit-font-smoothing: antialiased;
}
a {
    text-decoration: none;
}

.container{
    position: relative;
    width: 1200px;
    margin: 0 auto;
}
.header{
    overflow: hidden;
}
.header-logo{
    display: inline-block;
    padding: 16px 0;
    width: 120px;
}
.banner{
    width: 100%;
    height: 700px;
    background-image: url(../images/banner.svg);
}
.banner-text{
    width: 100%;
    padding: 180px 0 0 0;
    text-align: center;
    font-size: 60px;
    color: #ffffff;
    text-shadow: 2px 2px 8px hsla(107, 94%, 7%, 0.226);
}
.por-mod-title{
    padding: 60px 0 30px 0;
    font-size: 20px;
}
.pro-list{
    position: relative;
    overflow: hidden;
}
.pro-item{
    position: relative;
    display: inline-block;
    width: 50%;
    padding: 0 50px 60px 0;
    box-sizing: border-box;
    float: left;
}
.pro-icon{
    position: absolute;
    width: 82px;
    height: 82px;
    top: 0;
    left: 0;
}
.pro-info{
    display: inline-block;
    height: 100%;
    padding: 0 0 0 120px;
}
.pro-name{
    font-size: 24px;
}
.pro-name a{
    color: #000000;
}
.pro-des{
    font-size: 15px;
    color: #ababab;
}
.pro-down{
    display: flex;
    flex-direction: row;
    padding-top: 10px;
}
.pro-down-btn{
    display: flex;
    flex-direction: row;
    width: auto;
    height: 40px;
    border-radius: 20px;
    margin-right: 20px;
    padding: 0 20px;
    background: #229cff;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 14px;
}
.pro-down-btn img{
    width: 30px;
    height: 30px;
}

.footer{
    width: 100%;
    padding: 40px 0 20px 0;
    margin-top: 30px;
    background-color: #000000;
    color: #b1b1b1;
    font-size: 14px;
}
.footer a{
    color: #b1b1b1;
}
.footer-info{
    margin-bottom: 20px;
    border-bottom: 1px solid #333333;
    overflow: hidden;
}
.footer-info-logo{
    float: left;
    width: 100px;
    margin-bottom: 16px;
}
.footer-info-connect{
    float: right;
}
.footer-copyright{
    text-align: center;
    padding-top: 20px;
}