html, * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
}

h1,h2,h3 {
    font-family:'Microsoft YaHei';
    font-size:20px;
    font-weight:bold;
}

h1 {
    line-height: 25px;
 
    color:#f00;
}

ul li{list-style:none;}

h2, h3 {
    font-size: 18px;
}

body{
    font-size:15px;
    background-color:#eee;
    margin:0px;
    overflow:auto;
    height:100%;
}
 
a {
    text-decoration: none;
    color:#000;
}

img {
    display:block;/*如果不加这个，则在div中的img的后面会多出一个空行的空白*/
}

.text img {
    display:normal; /*恢复文本的正常图片*/
}

/**打竖,项目中间对齐**/
.BOX {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    width: 100%;
    align-content: flex-start;
    align-items: flex-start;
    flex-wrap: initial;
    border: 0px solid blue;
    color: black;
    height: auto;
    align-items: center;
    border: 0px solid red;
}

.BOX2 div{
    width:100%;
}

.BOX.PW {
    width: 95%;
}

/*.BOX > div {
    width: 90%;
}*/
 
.BOX .BoxL1 {
    line-height: 25px;
    background-color: #eee;
    align-items: stretch;
    flex-wrap: wrap;
}

.BOX .pagetitle h2{
    color:blueviolet;
    font-size:30px;
    font-weight:bold;
}

.BOX .pagetitle * {
    text-align: center;
    line-height: normal;
}

/*.BOX > div {
    width: 95%;
    border: 0px solid red;
    min-width: 1px;
    border: 0px solid red;
}*/

.Hide{
    display:none;
}

/**打竖flex容器**/
.FlowV {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-content:center;
    align-items: stretch;
    flex-wrap: wrap;
    border: 0px solid blue;
}

/**打横flex容器**/
.FlowH {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;

    align-content: stretch;
    align-items: stretch;
    flex-wrap: wrap;
    border: 0px solid blue;
    
}

/**图片：保持比例+放缩填满容器**/
img.Full {
    width:100%;
    height:auto;
}

/**图片：保持比例放缩+不超过容器**/
img.OriginOrLess {
    width:100%;
    max-width:800px;
    height:auto;
}