/*
Theme Name: SEO26
Author: SEO
Version: 1.0
*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Microsoft YaHei", sans-serif;
  background: #f6f7f9;
  color: #333;
  line-height: 1.85;
}
a {
  color: #4a6cf7;
  text-decoration: none;
}
a:hover {
  color: #3051d1;
}
img {
  max-width: 100%;
  border-radius: 6px;
}

/* 容器 */
.pure-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 15px;
}

/* 布局 */
.pure-flex {
  display: flex;
  gap: 25px;
  margin: 30px 0;
}
@media (max-width: 900px) {
  .pure-flex {
    flex-direction: column;
  }
}

/* 主体 */
.pure-main {
  flex: 1;
}

/* 侧边 */
.pure-sidebar {
  width: 280px;
}
@media (max-width: 900px) {
  .pure-sidebar {
    width: 100%;
  }
}

/* 头部 */
.pure-header {
  background: #4a6cf7;
  padding: 30px 0;
  text-align: center;
}
.pure-header h1 {
  font-size: 26px;
  color: #fff;
}
.pure-header a {
  color: #fff;
}

/* 导航 */
.pure-nav {
  background: #3b5bdb;
}
.pure-nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  flex-wrap: wrap;
}
.pure-nav a {
  color: #fff;
  padding: 13px 20px;
  display: inline-block;
}

/* 文章卡片 */
.pure-card {
  background: #fff;
  padding: 24px;
  border-radius: 10px;
  margin-bottom: 20px;
  display: flex;
  gap: 20px;
}
.pure-thumb {
  width: 150px;
  height: 150px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
}
.pure-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pure-meta {
  font-size: 13px;
  color: #777;
  margin-bottom: 8px;
}
.pure-meta span {
  margin-right: 10px;
}
.pure-meta a {
  color: #4a6cf7;
}
.pure-title {
  font-size: 19px;
  margin-bottom: 10px;
}
.pure-summary {
  font-size: 15px;
  color: #555;
}

/* 分页 */
.pure-pagination {
  text-align: center;
  margin: 40px 0;
}
.pure-pagination a,
.pure-pagination span {
  display: inline-block;
  padding: 7px 14px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 5px;
  margin: 0 3px;
}
.pure-pagination .current {
  background: #4a6cf7;
  color: #fff;
  border-color: #4a6cf7;
}

/* 侧边栏 */
.pure-widget {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
}
.pure-widget h3 {
  font-size: 17px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
  margin-bottom: 15px;
}
.pure-side-item {
  padding: 8px 0;
  border-bottom: 1px dashed #eee;
  font-size: 14px;
}

/* 内容页 */
.pure-single {
  background: #fff;
  padding: 40px;
  border-radius: 10px;
}
.pure-single h1 {
  font-size: 24px;
  text-align: center;
  margin-bottom: 25px;
}
.pure-single-content {
  font-size: 16px;
  line-height: 2.1;
}

/* 上下篇 */
.pure-post-nav {
  display: flex;
  justify-content: space-between;
  margin: 35px 0;
}
.pure-post-nav a {
  padding: 10px 16px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 5px;
}

/* 相关文章 */
.pure-related {
  margin-top: 40px;
}
.pure-related h3 {
  font-size: 19px;
  margin-bottom: 15px;
  padding-left: 10px;
  border-left: 4px solid #4a6cf7;
}
.pure-related a {
  display: block;
  padding: 8px 0;
  border-bottom: 1px dashed #eee;
  font-size: 15px;
}

/* 底部 */
.pure-footer {
  background: #fff;
  text-align: center;
  padding: 30px 0;
  margin-top: 50px;
  border-top: 1px solid #eee;
  color: #777;
  font-size: 14px;
}