.rule-block{
    width: 1200px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    position: relative;
    z-index: 3;
    padding-bottom: 50px;
}

.rule-img-box{
    margin-bottom: 80px;
}
.rule-list-box{
    width: 100%;
    display: block;
}
.rule-list{
    width: 100%;
    display: block;
    padding:10px 20px;
    box-sizing: border-box;
    background-color: #FFF;
    font-size: 0;
    margin-bottom: 60px;
    transition: all .8s ease;
}
.rule-list-num-box{
    width: 80px;
    height: 80px;
    display: inline-block;
    vertical-align: middle;
    background-color: #dddddd;
    border-radius: 50%;
    padding: 7.5px;
    box-sizing: border-box;
    margin-right: 20px;
}
.rule-list-num{
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 50%;
    background-color: #333333;
    display:         flex;
    display: -webkit-flex;
          align-items: center;
    -webkit-align-items: center;
          justify-content: center;
    -webkit-justify-content: center;
    color: #FFF;
    font-family: "Concert One";
    font-size: 60px;
}
.rule-list-article-box{
    font-size: 18px;
    color: #555555;
    letter-spacing: 1px;
    line-height: 2;
    width: calc(100% - 100px);
    padding: 0 20px;
    box-sizing: border-box;
    display: inline-block;
    vertical-align: middle;
    transition: all .5s ease;
}



/*--------------------hover-----------------------*/
.rule-list:hover{
    background-color: #555;

}
.rule-list:hover .rule-list-article-box{
    color: #FFF;
}


/*--------------------動畫-----------------------*/
.rule-list{
    opacity: 0;
}
.rule-block{
    animation: fade .8s ease 0s 1 forwards;
}
.rule-list.active{
    animation: fadeInUp .8s ease 0s 1 forwards;
}


@media only screen and (max-width: 1200px){
    .rule-block{
        width: 1000px;
    }
}
@media only screen and (max-width: 1000px){
    .rule-list{
        opacity: 1;
    }
    .rule-block{
        width: 95%;
    }
    .rule-list-num{
        font-size: 24px;
    }
    .rule-list-num-box{
        width: 60px;
        height: 60px;
        padding: 5px;
        margin-right: 10px;
    }
    .rule-list-article-box{
        width: calc(100% - 90px);
        padding-right:  0;
        font-size: 16px;
    }
}
@media only screen and (max-width: 750px){
    .rule-list-num-box{
        margin-right: 0;
    }    
}
@media only screen and (max-width: 550px){
    .rule-list-num{
        padding-bottom: 10px;
        box-sizing: border-box;
    }
    .rule-list-num-box{
        display: block;
        margin: 0 auto;
    }
    .rule-list-article-box{
        padding: 0;
        width: 100%;
        margin-top: 10px;
    }
    .rule-list-article-box{
        font-size: 14px;
    }
}