html {
  margin: 0 auto;
  font-size: 62.5%;
}
body {
  margin: 0;
  padding: 0;
  background-color: #CCC;
  color: #000;
  font-size: 1.6rem;
}
ul,
li {
  margin: 0;
  padding: 0;
}
li {
  list-style-type: none;
}
input:focus,
textarea:focus {
  outline: none;
}
textarea {
  font-family: Arial;
}
h1,
h2 {
  font-weight: normal;
}
.tar {
  text-align: right;
}
#container {
  height: 799px;
}
#nav-height {
  height: 8vh;
}
#nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: 8vh;
  line-height: 8vh;
  background-color: #c5c5c5;
  display: flex;
}
#nav span {
  flex: 1;
  text-align: center;
}
#nav #page_title {
  flex: 3;
  text-align: left;
  text-indent: 20px;
  font-size: 1.5rem;
}
/* 顶部 */
#top {
  width: 100%;
  display: flex;
  justify-content: space-between;
  height: 8vh;
  line-height: 8vh;
  background-color: #c5c5c5;
}
#search_area {
  background-color: #c5c5c5;
  width: 80px;
  text-align: center;
  font-size: 24px;
}
/* 顶部 END */
/* 底部 */
.Cbutton {
  width: 90%;
  height: 36px;
  line-height: 36px;
  font-size: 16px;
}
#login {
  margin: 10px 5%;
  box-sizing: border-box;
}
h1 {
  text-align: center;
}
.yueduma input,
.search input {
  display: flex;
}
.yueduma input,
.search input {
  width: 100%;
  flex: 1;
  height: 10vh;
  box-sizing: border-box;
  border: none;
  font-size: 16px;
  text-indent: 15px;
}
.yueduma input,
.search input:focus {
  outline: none;
}
.mb10px {
  margin-bottom: 10px;
}
[contenteditable] {
  -webkit-user-select: text;
  user-select: text;
}
/* 弹出 消失 */
#alertmess {
  display: none;
  z-index: 999;
  position: fixed;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 20px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 16px;
  text-align: center;
  border-radius: 4px;
}
/*  */
#change_categories {
  padding: 15px;
  box-sizing: border-box;
}
#change_categories h2 {
  font-size: 1.6rem;
}
#change_categories select {
  width: 60%;
  font-size: 1.6rem;
  padding: 3px;
}
#change_categories button {
  font-size: 1.6rem;
}
.display_none {
  display: none;
}
#module_info {
  position: fixed;
  z-index: 999;
  font-size: 1.2rem;
  color: grey;
}
.mb8 {
  margin-bottom: 8px;
}
.mt8 {
  margin-top: 8px;
}
.df {
  display: flex;
}
.row1 {
  flex: 1;
}
.row2 {
  flex: 2;
}
.row3 {
  flex: 3;
}
.row4 {
  flex: 4;
}
.row5 {
  flex: 5;
}
.row6 {
  flex: 6;
}
.row7 {
  flex: 7;
}
.row8 {
  flex: 8;
}
.row9 {
  flex: 9;
}
.row10 {
  flex: 10;
}
.row11 {
  flex: 11;
}
.row12 {
  flex: 12;
}
.pd5 {
  padding: 5px;
}
.pd10 {
  padding: 10px;
}
.pl10 {
  padding-left: 10px;
}
.pl20px {
  padding-left: 20px;
}
.pl5px {
  padding-left: 5px;
}
.pr10 {
  padding-right: 10px;
}
.pt10 {
  padding-top: 10px;
}
.pb10 {
  padding-bottom: 10px;
}
.text_l {
  text-align: left;
}
.text_r {
  text-align: right;
}
.text_c {
  text-align: center;
}