:root {
      --max: 1220px;
      --muted: #5f6368;
      --text: #202124;
      --brand: #0a57ff;
    }

    body {
      font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
      margin: 0;
      padding: 0;
      background: #fff;
      color: var(--text);
      line-height: 1.6;
    }

    .feed-wrapper {
      max-width: var(--max);
      margin: 40px auto;
      padding: 0 20px;
      display: flex;
      flex-direction: row;
      gap: 50px;
    }

    .feed-sidebar {
      flex: 0 0 280px;
      font-size: 0.95rem;
      color: var(--muted);
    }

    .feed-sidebar h2 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text);
    }

    .feed-main {
      flex: 1;
    }

    .feed-main h1 {
      font-size: 1.8rem;
      font-weight: 700;
      margin: 0 0 15px;
      color: var(--text);
    }

    .feed-main p {
      margin: 0 0 15px;
      font-size: 1rem;
    }

    .feed-main h3 {
      font-size: 1.1rem;
      margin-top: 25px;
      margin-bottom: 8px;
      font-weight: 700;
      color: var(--text);
    }

    .feed-meta {
      font-size: 0.9rem;
      color: var(--muted);
      margin-bottom: 15px;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .feed-meta time {
      font-size: 0.9rem;
    }

    .copy-link {
      display: inline-flex;
      align-items: center;
      font-size: 0.9rem;
      color: var(--brand);
      cursor: pointer;
      text-decoration: none;
      transition: opacity 0.2s;
    }

    .copy-link:hover {
      opacity: 0.8;
    }

    .copy-link::before {
      content: "🔗";
      margin-right: 6px;
    }

    @media (max-width: 900px) {
      .feed-wrapper {
        flex-direction: column;
      }
      .feed-sidebar {
        flex: none;
      }
    }