body {
  background: #f7f8fa;
}
#forum-header {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  border-bottom: 2px solid #bbb;
  padding-bottom: 8px;
  margin-bottom: 18px;
}
.forum-title {
  font-family: 'Courier New', monospace;
  font-size: 2em;
  color: #7c3e96;
  letter-spacing: 1px;
}
.forum-board {
  margin: 0 auto;
  max-width: 700px;
  background: #fff;
  border: 1.5px solid #bbb;
  border-radius: 6px;
  box-shadow: 0 2px 8px #0001;
  padding: 18px 10px 10px 10px;
}
.forum-post {
  border-bottom: 1px solid #e3e3e3;
  padding: 12px 0 10px 0;
  margin-bottom: 8px;
}
.forum-post:last-child {
  border-bottom: none;
}
.forum-post-title {
  font-size: 1.15em;
  font-weight: bold;
  color: #333;
  margin-bottom: 2px;
  font-family: 'Courier New', monospace;
}
.forum-post-title a {
  color: #7c3e96;
  text-decoration: underline dotted;
  cursor: pointer;
  transition: color 0.2s;
}
.forum-post-title a:hover {
  color: #6abf9a;
  text-decoration: underline;
}
.forum-post-meta {
  font-size: 0.92em;
  color: #888;
  margin-bottom: 4px;
}
.forum-post-body {
  font-size: 1em;
  color: #222;
  font-family: 'Courier New', monospace;
}
.forum-post-author {
  background: #e3f0ff;
  border: 1px solid #b3d6f2;
  border-radius: 4px;
  padding-left: 8px;
}
.forum-post-img {
  max-width: 100%;
  margin: 8px 0;
  border-radius: 4px;
  border: 1px solid #ccc;
}
.forum-attachment {
  display: inline-flex;
  margin-top: 10px;
  font-size: 0.98em;
  color: #7c3e96;
  background: #eef2ff;
  border: 1px solid #cbd5ff;
  border-radius: 4px;
  padding: 2px 8px;
  font-style: italic;
}
.forum-replies {
  margin-left: 0px;
  margin-top: 10px;
  margin-right: 15px;
  border-left: 2px solid #eee;
  padding-left: 10px;
}
.forum-reply {
  margin-bottom: 10px;
  background: #f6faff;
  border: 1px solid #b3d6f2;
  border-radius: 4px;
  padding: 8px 10px;
}
.forum-pagination {
  margin-top: 18px;
  font-size: 1.1em;
}
.forum-page {
  display: inline-block;
  margin: 0 4px;
  padding: 2px 8px;
  border-radius: 3px;
  background: #e9e9e9;
  color: #7c3e96;
  cursor: pointer;
  font-weight: bold;
}
.forum-page-active {
  background: #7c3e96;
  color: #fff;
  cursor: default;
}
@media (max-width: 767px) {
  .forum-board {
    max-width: 99vw;
    padding: 8px 2vw 8px 2vw;
  }
  #forum-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}