* {margin:0;padding:0;box-sizing:border-box;scroll-behavior:smooth}
  :root {--primary:#1a237e;--accent:#ff6d00;--bg:#f8f9fa;--text:#212121;--muted:#616161;--card:#fff;--border:#e0e0e0}
  body {font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75}
  a {color:var(--accent);text-decoration:none;transition:color .3s}
  a:hover {color:var(--primary);text-decoration:underline}
  .container {max-width:1200px;margin:0 auto;padding:0 16px}
  .my-logo {font-size:1.8rem;font-weight:800;color:var(--primary);letter-spacing:-1px;cursor:pointer;text-transform:uppercase}
  .my-logo:hover {text-decoration:none;color:var(--accent)}
  .my-logo span {color:var(--accent)}
  header {background:#fff;border-bottom:3px solid var(--primary);position:sticky;top:0;z-index:999;box-shadow:0 2px 10px rgba(0,0,0,.08)}
  .header-inner {display:flex;align-items:center;justify-content:space-between;padding:14px 16px;flex-wrap:wrap}
  .nav-links {display:flex;gap:24px;list-style:none;flex-wrap:wrap}
  .nav-links a {font-weight:600;font-size:.95rem;padding:6px 12px;border-radius:6px;transition:background .3s}
  .nav-links a:hover {background:var(--bg);text-decoration:none}
  .hamburger {display:none;background:none;border:none;font-size:1.6rem;color:var(--primary);cursor:pointer}
  .mobile-nav {display:none;flex-direction:column;gap:12px;padding:16px;background:#fff;border-top:1px solid var(--border)}
  .mobile-nav.active {display:flex}
  .breadcrumb {font-size:.85rem;color:var(--muted);padding:16px 0 4px;display:flex;flex-wrap:wrap;gap:6px}
  .breadcrumb a {color:var(--primary)}
  .breadcrumb i {margin:0 4px;color:#ccc}
  main {padding:24px 0 48px}
  .hero {background:linear-gradient(135deg,var(--primary),#283593);color:#fff;padding:48px 0;border-radius:0 0 40px 40px;margin-bottom:40px}
  .hero h1 {font-size:2.4rem;font-weight:800;line-height:1.3;margin-bottom:12px}
  .hero p {font-size:1.1rem;opacity:.92;max-width:700px}
  .hero .last-update {display:inline-block;background:rgba(255,255,255,.15);padding:6px 14px;border-radius:20px;font-size:.85rem;margin-top:16px}
  .content-grid {display:grid;grid-template-columns:1fr 300px;gap:40px}
  .article-body {background:var(--card);border-radius:12px;padding:36px;box-shadow:0 2px 12px rgba(0,0,0,.06)}
  .article-body h2 {color:var(--primary);font-size:1.7rem;margin:40px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--accent)}
  .article-body h3 {color:#283593;font-size:1.3rem;margin:28px 0 12px}
  .article-body h4 {color:var(--accent);font-size:1.05rem;margin:20px 0 10px}
  .article-body p {margin-bottom:16px}
  .article-body ul,.article-body ol {margin:0 0 16px 24px}
  .article-body li {margin-bottom:8px}
  .highlight-box {background:#fff8f0;border-left:4px solid var(--accent);padding:16px 20px;border-radius:0 8px 8px 0;margin:24px 0}
  .warning-box {background:#fff5f5;border-left:4px solid #e53935;padding:16px 20px;border-radius:0 8px 8px 0;margin:24px 0}
  .code-table {width:100%;border-collapse:collapse;margin:20px 0;font-size:.92rem}
  .code-table th {background:var(--primary);color:#fff;padding:12px 14px;text-align:left}
  .code-table td {padding:12px 14px;border-bottom:1px solid var(--border)}
  .code-table tr:nth-child(even) {background:#f8f9fa}
  .code-table .status-working {color:#2e7d32;font-weight:700}
  .code-table .status-expired {color:#c62828;font-weight:700}
  .featured-image {width:100%;height:auto;border-radius:12px;margin:20px 0;box-shadow:0 4px 20px rgba(0,0,0,.1)}
  .sidebar {display:flex;flex-direction:column;gap:24px}
  .side-card {background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
  .side-card h3 {color:var(--primary);font-size:1.1rem;margin-bottom:12px;border-bottom:1px solid var(--border);padding-bottom:8px;display:flex;align-items:center;gap:8px}
  .side-card ul {list-style:none}
  .side-card li {margin-bottom:10px}
  .side-card a {display:flex;align-items:center;gap:8px;font-size:.9rem;padding:6px 8px;border-radius:6px;transition:background .3s}
  .side-card a:hover {background:var(--bg);text-decoration:none}
  .search-form {display:flex;gap:8px;margin-top:8px}
  .search-form input {flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:.9rem}
  .search-form button {background:var(--primary);color:#fff;border:none;padding:10px 16px;border-radius:8px;cursor:pointer;transition:background .3s;font-size:.9rem}
  .search-form button:hover {background:var(--accent)}
  .rating-section {background:var(--card);border-radius:12px;padding:28px;margin-top:32px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
  .rating-stars {display:flex;gap:8px;justify-content:center;font-size:2rem;cursor:pointer;margin:12px 0}
  .rating-stars i {color:#e0e0e0;transition:color .2s}
  .rating-stars i.active {color:#ffc107}
  .rating-stars i:hover {color:#ffb300}
  .comment-section {background:var(--card);border-radius:12px;padding:28px;margin-top:32px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
  .comment-section textarea {width:100%;min-height:120px;padding:12px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;margin:12px 0;resize:vertical}
  .comment-section input[type="text"] {width:100%;padding:10px;border:1px solid var(--border);border-radius:8px;margin-bottom:12px}
  .comment-section button {background:var(--accent);color:#fff;border:none;padding:12px 28px;border-radius:8px;cursor:pointer;font-weight:600;transition:background .3s}
  .comment-section button:hover {background:var(--primary)}
  .footer {background:#1a237e;color:#e8eaf6;padding:48px 0 24px;margin-top:48px}
  .footer-container {max-width:1200px;margin:0 auto;padding:0 16px}
  .footer-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-bottom:32px}
  .footer h4 {color:#fff;font-size:1.1rem;margin-bottom:16px}
  .footer a {color:#b3c6ff}
  .footer a:hover {color:#fff}
  .friend-link {display:block;background:rgba(255,255,255,.08);padding:16px 20px;border-radius:8px;margin-top:8px}
  .friend-link a {margin:0 8px;color:#ffab40}
  .copyright {text-align:center;padding-top:24px;border-top:1px solid rgba(255,255,255,.15);font-size:.85rem;color:#9fa8da}
  @media (max-width: 768px) {
    .nav-links {display:none}
    .hamburger {display:block}
    .content-grid {grid-template-columns:1fr}
    .hero h1 {font-size:1.7rem}
    .article-body {padding:20px}
    .footer-grid {grid-template-columns:1fr;gap:24px}
    .header-inner {padding:10px 16px}
  }
  @media (min-width: 769px) {
    .mobile-nav {display:none!important}
  }