body {
      background: #e5f5ff;
      font-family: '微软雅黑',sans-serif;
      margin: 0;
      padding: 0;
    }
.tag-container {
  max-width: 900px;
  margin: 120px auto 40px auto;
  background: rgb(247,236,224);
  border-radius: 30px;
  box-shadow: 10px 2px 16px rgba(0,0,0,.08);
  padding: 44px 36px 36px 36px;
  opacity: 0.98;
}
.tag-title {
  font-size: 2em;
  font-weight: bold;
  color: #2499af;
  margin-bottom: 24px;
  letter-spacing: 2px;
  text-align: center;
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 22px;
  justify-content: center;
  margin-bottom: 36px;
}
.tag-item {
  display: flex;
  align-items: center;
  text-decoration: none;
  background: #f4f8fb;
  border-radius: 22px;
  padding: 8px 20px;
  font-size: 1.1em;
  color: #2499af;
  font-weight: 500;
  transition: background 0.18s, color 0.18s, box-shadow 0.18s;
  box-shadow: 0 1px 8px #0001;
  position: relative;
  border: 1px solid #e7ecf5;
  cursor: pointer;
  user-select: none;
}
.tag-item.active,
.tag-item:hover {
  background: #eaf6ff;
  color: #4f8cff;
  box-shadow: 0 2px 12px #4f8cff22;
}
.tag-count {
  margin-left: 9px;
  font-size: 0.95em;
  color: #fff;
  background: #4f8cff;
  padding: 2px 9px;
  border-radius: 10px;
  font-weight: 400;
  box-shadow: 0 1px 3px #4f8cff33;
}
.article-list {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  justify-content: flex-start;
  min-height: 80px;
}
.article-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 12px #0001;
  padding: 22px 20px 18px 20px;
  min-width: 260px;
  max-width: 320px;
  flex: 1 1 260px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.18s;
  border: 1px solid #f2e8d5;
}
.article-card:hover {
  box-shadow: 0 4px 24px #4f8cff22;
}
.article-title {
  font-size: 1.15em;
  font-weight: bold;
  color: #4f8cff;
  margin-bottom: 10px;
  text-decoration: none;
  transition: color 0.15s;
}
.article-title:hover {
  color: #2499af;
}
.article-meta {
  font-size: 0.96em;
  color: #888;
  margin-bottom: 8px;
}
.article-desc {
  font-size: 1em;
  color: #29335c;
  margin-bottom: 0;
}
.no-article {
  color: #bbb;
  font-size: 1.1em;
  padding: 32px 0;
  width: 100%;
  text-align: center;
}
@media (max-width: 700px) {
  .tag-container { padding: 20px 2vw; margin: 32px 0; }
  .tag-title { font-size: 1.3em; }
  .tag-cloud { gap: 10px 10px; }
  .tag-item { padding: 6px 12px; font-size: 1em; }
  .article-list { gap: 12px; }
  .article-card { min-width: 98vw; max-width: 100vw; }
}