body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f0f2f5; color: #1c1e21; margin: 0; padding: 0; }
    .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
    .header { background-color: #ffffff; padding: 20px; box-shadow: 0 1px 2px rgba(0,0,0,0.1); margin-bottom: 20px; }
    .header h1 { margin: 0; font-size: 24px; color: #1877f2; }
    .breadcrumb { margin-bottom: 20px; font-size: 14px; color: #65676b; }
    .breadcrumb a { text-decoration: none; color: #65676b; }
    .breadcrumb a:hover { text-decoration: underline; }
    .category-block { background: white; border-radius: 8px; box-shadow: 0 1px 2px rgba(0,0,0,0.1); margin-bottom: 20px; overflow: hidden; }
    .category-header { background: #f7f8fa; padding: 12px 20px; border-bottom: 1px solid #dddfe2; font-weight: bold; color: #4b4f56; }
    .forum-row { padding: 15px 20px; border-bottom: 1px solid #ebedf0; display: flex; align-items: center; }
    .forum-row:last-child { border-bottom: none; }
    .forum-name { font-size: 16px; font-weight: 600; color: #1877f2; text-decoration: none; flex: 1; }
    .forum-name:hover { text-decoration: underline; }
    .thread-list { background: white; border-radius: 8px; box-shadow: 0 1px 2px rgba(0,0,0,0.1); }
    .thread-row { padding: 12px 20px; border-bottom: 1px solid #ebedf0; display: flex; align-items: center; }
    .thread-row:last-child { border-bottom: none; }
    .thread-title { font-size: 16px; font-weight: 600; color: #1c1e21; text-decoration: none; display: block; margin-bottom: 4px; }
    .thread-meta { font-size: 12px; color: #65676b; }
    .post { background: white; border-radius: 8px; box-shadow: 0 1px 2px rgba(0,0,0,0.1); margin-bottom: 15px; }
    .post-header { background: #f7f8fa; padding: 10px 15px; border-bottom: 1px solid #ebedf0; border-radius: 8px 8px 0 0; display: flex; justify-content: space-between; font-size: 13px; color: #65676b; }
    .post-author { font-weight: bold; color: #1c1e21; }
    .post-content { padding: 20px; line-height: 1.6; font-size: 15px; word-wrap: break-word; }
    .post-content img { max-width: 100%; }
    .footer { text-align: center; margin-top: 40px; color: #65676b; font-size: 12px; padding-bottom: 20px; }