/*定义加载动画*/
@keyframes pageEnter{
    from{
        opacity: 0;
        transform: translateY(50px);
    }
    to{
        opacity: 1;
        transform: translateY(0px);
    }
}

/*隐藏默认格式 内容界面*/
ul{
    list-style: none;
    margin: 0;
    padding: 0;
}

/*正文*/
.passage_container{
    height: auto;
    width: 100%;
    max-width: 1000px;
    padding: 30px 50px 50px 50px;
    margin: 80px auto 0 auto;
    background: white;
    border-radius: 5px;
    box-shadow: 0 2px 30px rgba(0,0,0,0.2);

    animation: pageEnter 1s ease forwards;
}

/*正文标题：居中加粗*/
.passage_title_container{
    width: 100%;
    height: auto;

    padding: 0 0 20px;
    margin: 0 auto 30px;

    border-width: 0 0 1px;
    border-color: rgba(128, 128, 128, 0.422);
    border-style: solid;
}

.passage_title{
    height: auto;
    text-align: center;
    font-weight: bold;
    font-size: 40px;
    margin: 0 auto;
}

.passage_content > li{
    height: 140px;
    max-width: 100%;

    border-radius: 5px;
    border: 1px;
    border-color: gray;
    border-style: solid;

    margin: 20px 0;

    box-shadow: 0px 0px 2px rgba(0, 0, 0, 0.416);
}

.passage_content > li > a{
    box-sizing: border-box;
    display: inline-block;

    width: 100%;
    height: 100%;

    padding: 20px;

    transition: all 0.5s ease;
}

.passage_content > li > a:hover{
    background-color: rgba(255, 0, 0, 0.1);
}

.passage_box{
    
    display: inline-block;

    width: 100%;
    height: 100%;
  
}

.passage_box_picture{
    display: inline-block;
    height: 100%;
}

/*图片*/
.passage_box_picture > img{

    height: 100%;
    border-radius: 5px;

    box-shadow: 2px 4px 5px rgba(0, 0, 0, 0.416);
}

/*内容*/
.passage_box_text{
    display: inline-block;
    width: 80%;
    vertical-align: top;
    margin-left: 30px;
}

/*标题*/
.passage_box_title{
    padding-bottom: 5px;

    border-width: 0 0 1px;
    border-style: solid;
    border-color: gray;
 
}

.passage_box_title_text{
    font-size: 20px;
    font-weight: bold;
}

/*概括*/
.passage_box_conclusion{
    display: inline-block;

    padding-bottom: 5px;
}

.passage_box_conclusion_text{
    font-size: 14px;
    color: gray;
}