* { margin: 0; padding: 0; box-sizing: border-box; }
  :root {
    --mc-dark: #2d2d2d;
    --mc-green: #3fb34f;
    --mc-brown: #8b5a2b;
    --mc-gray: #555555;
    --mc-light: #f5f5f5;
    --mc-grass: #7cbd6e;
    --mc-stone: #a0a0a0;
  }
  body {
    font-family: 'Segoe UI', Roboto, sans-serif;
    background: #eef2e6;
    color: #2b2b2b;
    line-height: 1.75;
  }
  .page-top-bar { background: var(--mc-dark); color: #fff; font-size: .82rem; padding: .35rem 2rem; display: flex; justify-content: space-between; flex-wrap: wrap; }
  .page-top-bar a { color: #cdebc5; text-decoration: underline; }
  header.site-header {
    background: linear-gradient(180deg, #3a3a3a 0%, #2d2d2d 100%);
    padding: 1rem 2rem;
    box-shadow: 0 4px 12px rgba(0,0,0,.3);
    position: sticky; top: 0; z-index: 999;
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  }
  .my-logo { font-size: 2.4rem; font-weight: 900; letter-spacing: -1px; color: #fff; text-decoration: none; display: flex; align-items: center; gap: .5rem; }
  .my-logo span { color: var(--mc-green); }
  .my-logo i { color: var(--mc-green); font-size: 2.2rem; }
  .nav-container { display: flex; align-items: center; }
  .nav-list { display: flex; list-style: none; gap: 1.5rem; }
  .nav-list li a { color: #e0e0e0; text-decoration: none; font-weight: 600; font-size: .95rem; transition: color .3s; }
  .nav-list li a:hover { color: #a6f0a6; }
  .nav-list li a.active { color: #a6f0a6; border-bottom: 2px solid #a6f0a6; }
  .hamburger { display: none; background: none; border: none; color: white; font-size: 1.8rem; cursor: pointer; }
  @media (max-width: 768px) {
    .nav-list { display: none; flex-direction: column; background: #2d2d2d; position: absolute; top: 100%; left: 0; right: 0; padding: 1rem; border-top: 2px solid #3fb34f; gap: .8rem; }
    .nav-list.open { display: flex; }
    .hamburger { display: block; }
  }
  .breadcrumb { font-size: .8rem; padding: .8rem 2rem; background: #e5e5e5; color: #555; }
  .breadcrumb a { color: #2d6a2d; text-decoration: none; }
  .breadcrumb a:hover { text-decoration: underline; }
  .main-layout { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1fr 320px; gap: 2rem; padding: 2rem 1.5rem; }
  @media (max-width: 992px) {
    .main-layout { grid-template-columns: 1fr; }
    .sidebar { order: -1; }
  }
  .article-content { background: #fff; border-radius: 12px; padding: 2.2rem; box-shadow: 0 2px 8px rgba(0,0,0,.08); }
  .article-content h1 { font-size: 2.4rem; color: var(--mc-dark); margin-bottom: .7rem; line-height: 1.2; word-break: break-word; }
  .article-content h2 { font-size: 1.8rem; color: var(--mc-dark); margin: 2.4rem 0 1rem; border-left: 6px solid var(--mc-green); padding-left: 1rem; }
  .article-content h3 { font-size: 1.35rem; color: var(--mc-brown); margin: 1.6rem 0 .8rem; }
  .article-content h4 { font-size: 1.1rem; color: var(--mc-gray); margin: 1.2rem 0 .6rem; font-weight: 700; }
  .article-content p { margin-bottom: 1rem; }
  .article-content ul, .article-content ol { margin-bottom: 1rem; padding-left: 2rem; }
  .article-content li { margin-bottom: .4rem; }
  .article-content strong { font-weight: 700; color: #1e4e1e; }
  .article-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 1.2rem 0; box-shadow: 0 3px 10px rgba(0,0,0,.1); }
  .highlight-box { background: rgba(63,179,79,.08); border-left: 4px solid var(--mc-green); padding: 1rem 1.2rem; border-radius: 8px; margin: 1.5rem 0; }
  .code-block { background: #2d2d2d; color: #d4d4d4; padding: 1rem 1.2rem; border-radius: 6px; font-family: 'Courier New', monospace; font-size: .9rem; overflow-x: auto; margin: 1rem 0; }
  .code-block code { color: #a6f0a6; }
  .callout { background: #eef7ee; border: 1px solid #b5dcb5; border-radius: 10px; padding: 1rem 1.5rem; margin: 1.5rem 0; }
  .sidebar { display: flex; flex-direction: column; gap: 1.5rem; }
  .widget { background: #fff; border-radius: 10px; padding: 1.5rem; box-shadow: 0 2px 8px rgba(0,0,0,.07); }
  .widget h3 { font-size: 1.1rem; margin-bottom: 1rem; color: var(--mc-dark); border-bottom: 2px solid var(--mc-green); padding-bottom: .5rem; }
  .widget ul { list-style: none; padding: 0; }
  .widget ul li { padding: .4rem 0; border-bottom: 1px dashed #e0e0e0; }
  .widget ul li a { text-decoration: none; color: #2d6a2d; font-weight: 500; }
  .widget ul li a:hover { color: #1a4e1a; text-decoration: underline; }
  .search-widget form { display: flex; gap: .5rem; }
  .search-widget input { flex: 1; padding: .6rem .9rem; border: 1px solid #ccc; border-radius: 6px; font-size: .95rem; }
  .search-widget button { background: var(--mc-green); color: white; border: none; border-radius: 6px; padding: .6rem 1rem; cursor: pointer; font-size: 1rem; transition: background .3s; }
  .search-widget button:hover { background: #2d8f3d; }
  .rating-box { text-align: center; }
  .rating-stars { color: #f5c542; font-size: 1.6rem; letter-spacing: 6px; }
  .comment-form textarea { width: 100%; min-height: 100px; border: 1px solid #ccc; border-radius: 8px; padding: .8rem; font-family: inherit; margin-bottom: .6rem; }
  .comment-form input[type="text"] { width: 100%; padding: .6rem; border: 1px solid #ccc; border-radius: 6px; margin-bottom: .6rem; }
  .comment-form button { background: var(--mc-brown); color: #fff; border: none; padding: .7rem 1.4rem; border-radius: 6px; cursor: pointer; transition: background .3s; }
  .comment-form button:hover { background: #5e3f1f; }
  footer.site-footer { background: #2d2d2d; color: #bbb; padding: 3rem 2rem 2rem; font-size: .9rem; margin-top: 3rem; }
  footer .footer-grid { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
  @media (max-width: 768px) { footer .footer-grid { grid-template-columns: 1fr; } }
  footer h4 { color: #a6f0a6; margin-bottom: .8rem; }
  friend-link { display: block; background: #222; padding: 1rem; border-radius: 8px; margin-top: 1.5rem; font-size: .9rem; line-height: 1.8; }
  friend-link a { color: #a6f0a6; text-decoration: underline; }
  .copyright { text-align: center; border-top: 1px solid #444; margin-top: 2rem; padding-top: 1.5rem; color: #888; }
  .update-time { font-size: .8rem; color: #888; font-style: italic; margin-top: 1rem; }
  .toc { background: #f0f7f0; border-radius: 8px; padding: 1.2rem; font-size: .9rem; margin-bottom: 2rem; }
  .toc a { color: var(--mc-dark); text-decoration: none; }
  .toc a:hover { text-decoration: underline; }
  .toc ul { list-style: none; }
  .toc ul li { padding: .2rem 0; }
  .toc .toc-h2 { font-weight: 700; }
  .toc .toc-h3 { padding-left: 1.2rem; font-weight: 400; }
  .toc .toc-h4 { padding-left: 2.4rem; font-weight: 400; font-size: .85rem; color: #666; }
  blockquote { background: #f9f9f9; border-left: 4px solid var(--mc-green); padding: 1rem; margin: 1.5rem 0; font-style: italic; }
  table { width: 100%; border-collapse: collapse; margin: 1.2rem 0; font-size: .9rem; }
  table th, table td { border: 1px solid #ddd; padding: .7rem; text-align: left; }
  table th { background: #f0f7f0; font-weight: 700; }