/* * {
  border: 1px solid;
} */

* {
  box-sizing: border-box;
}

body {
  font-family: Arial;
  padding: 10px;
  background: #ffffff;
}

/* 头部标题 */
.header {
  display: flex;
  padding: 30px;
  background-color: #eee;
  font-size: 1.6em;
  line-height: 1.5;
  letter-spacing: 0.034em;
  font-family: "思源黑体";
  justify-content: center;
}
.headertext {
  display: flex;
  max-width: 460px;
  align-items: center;
  flex-direction: row;
}
.header h1 {
  font-size: 50px;
}

/* 导航条 */
.topnav {
  overflow: hidden;
  background-color: #000000;
}

/* 导航条链接 */
.topnav a {
  float: left;
  display: block;
  color: #ffffff;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

/* 链接颜色修改 */
.topnav a:hover {
  background-color: rgb(255, 255, 255);
  color: rgb(0, 0, 0);
}

/* 创建两列 */
/* Left column */
.leftcolumn {
  float: left;
  width: 100%;
  font-size: 1.6em;
  line-height: 1.5;
  letter-spacing: 0.034em;
}

/* 图像部分 */
.fakeimg {
  background-color: rgb(255, 255, 255);
  width: 100%;
  padding: 20px;
}

/* 文章卡片效果 */
.card {
  background-color: rgb(255, 255, 255);
  padding: 20px;
  margin-top: 20px;
}

/* 列后面清除浮动 */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* 底部 */
.footer {
  padding: 20px;
  text-align: center;
  background: #ddd;
  margin-top: 20px;
  font-size: 1.6em;
  line-height: 1.5;
  letter-spacing: 0.034em;
}

.center {
  margin: auto;
  width: 50%;
  padding: 0px;
}

/* 底部栏目样式 */
.dibulan {
  width: 100%;
  height: 160px;
  background-color: #eee;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.dibulan-text {
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 10px;
}

/* 部分链接样式 */
.abq:link,
.abq:visited {
  text-decoration: none;
  color: black;
}
.abq:hover {
  text-decoration: underline;
  color: orange;
}