* {
  box-sizing: border-box;
}

html {
  color: #303846;
  background: #f5f6f8;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

body {
  margin: 0;
}

.page-shell {
  width: min(100% - 32px, 1040px);
  margin: 0 auto;
}

.page-header {
  height: 88px;
  display: flex;
  align-items: center;
  background: #fff;
  font-size: 20px;
}

.page-header .page-shell {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-logo {
  width: 186px;
  height: auto;
}

.article-card {
  margin: 24px 0 48px;
  padding: 52px 56px;
  background: #fff;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  color: #89909c;
  font-size: 14px;
}

.breadcrumb strong {
  color: #303846;
}

h1 {
  margin: 42px 0 28px;
  font-size: 24px;
  font-weight: 500;
}

.article-info {
  display: flex;
  gap: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid #eee;
  color: #a3a8b1;
}

.article-info span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-info img {
  width: 20px;
  height: 20px;
}

.article-content {
  padding-top: 24px;
  font-size: 16px;
  line-height: 1.9;
}

.article-content p {
  margin: 0 0 16px;
}

.article-content img {
  max-width: 100%;
  height: auto !important;
}

.article-image {
  text-align: center;
}


@media (max-width: 640px) {
  .page-header {
    height: 68px;
  }

  .page-logo {
    width: 150px;
  }

  .article-card {
    margin-top: 16px;
    padding: 28px 20px;
  }

  h1 {
    margin-top: 28px;
    font-size: 21px;
  }

  .article-info {
    gap: 16px;
  }
}