/* ── Article reading layout ─────────────── */
    .art-hero   { padding: 60px 0 44px; }
    .art-body   { padding: 0 0 80px; }
    .art-narrow { max-width: 780px; margin: 0 auto; }

    /* Breadcrumb */
    .art-breadcrumb { margin-bottom: 16px; font-size: 13px; color: #7a9bbf; }
    .art-breadcrumb a { color: #58f8ff; text-decoration: none; }
    .art-breadcrumb a:hover { color: #fff; }
    .art-breadcrumb span { margin: 0 7px; opacity: .4; }

    /* Meta row */
    .art-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 18px; font-size: 13px; color: #7a9bbf; }
    .art-meta__dot { width: 4px; height: 4px; border-radius: 50%; background: #08e4ff; }

    /* Cover */
    .art-cover { margin: 0 0 44px; }
    .art-cover img { display: block; width: 100%; border-radius: 16px; border: 1px solid rgba(98,251,255,.14); max-height: 480px; object-fit: cover; }

    /* ── Content typography ─────────────────── */
    .art-content { font-size: 16px; line-height: 1.82; }
    .art-content > *:first-child { margin-top: 0 !important; }

    .art-content h2 {
      margin: 2.6em 0 .8em;
      padding: 15px 22px;
      background: rgba(8,228,255,.06);
      border-left: 3px solid #08e4ff;
      border-radius: 0 14px 14px 0;
      font-size: 22px;
      color: #eaf5ff;
      line-height: 1.3;
    }
    .art-content h3 {
      margin: 1.8em 0 .6em;
      font-size: 18px;
      color: #c8e4ff;
    }
    .art-content p {
      margin: 0 0 1.3em;
      color: #a9bdd5;
    }
    .art-content p:last-child { margin-bottom: 0; }

    .art-content ul,
    .art-content ol {
      margin: .6em 0 1.8em;
      padding: 0;
      list-style: none;
    }
    .art-content li {
      position: relative;
      padding: 11px 0 11px 24px;
      color: #a9bdd5;
      border-bottom: 1px solid rgba(98,251,255,.07);
    }
    .art-content li:last-child { border-bottom: 0; }
    .art-content li::before {
      content: "";
      position: absolute; left: 2px; top: 1.1em;
      width: 7px; height: 7px;
      border-radius: 50%;
      background: #08e4ff;
      box-shadow: 0 0 10px rgba(8,228,255,.7);
    }
    .art-content strong { color: #dffaff; font-weight: 700; }
    .art-content em { color: #b8d8ff; font-style: italic; }
    .art-content a { color: #58f8ff; text-underline-offset: 3px; }
    .art-content a:hover { color: #fff; }

    /* ── Bottom CTA ─────────────────────────── */
    .art-cta {
      margin-top: 52px;
      padding: 36px 40px;
      border: 1px solid rgba(8,228,255,.2);
      border-radius: 18px;
      background: rgba(8,21,41,.85);
      display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
      position: relative; overflow: hidden;
    }
    .art-cta::before {
      content: "";
      position: absolute; inset: 0 0 auto; height: 3px;
      background: linear-gradient(90deg, #ff37d2, #08e4ff, #145cff);
    }
    .art-cta__text h3 { margin: 0 0 6px; font-size: 18px; color: #eaf5ff; }
    .art-cta__text p  { margin: 0; font-size: 14px; color: #a9bdd5; }
    .art-cta__btns { display: flex; gap: 10px; flex-wrap: wrap; flex-shrink: 0; }

    /* ── Responsive ─────────────────────────── */
    @media (max-width: 640px) {
      .art-hero { padding: 40px 0 28px; }
      .art-body { padding: 0 0 56px; }
      .art-cover { margin: 0 0 28px; }
      .art-cover img { border-radius: 12px; max-height: 220px; }
      .art-content { font-size: 15px; line-height: 1.75; }
      .art-content h2 {
        font-size: 18px;
        padding: 12px 16px;
        margin: 2em 0 .7em;
        border-radius: 0 10px 10px 0;
      }
      .art-content h3 { font-size: 16px; }
      .art-content li { padding: 9px 0 9px 20px; font-size: 14px; }
      .art-cta {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 20px;
        margin-top: 36px;
        gap: 18px;
      }
      .art-cta__btns { width: 100%; flex-direction: column; }
      .art-cta__btns a { width: 100%; justify-content: center; }
      .art-meta { gap: 10px; }
    }

    @media (max-width: 400px) {
      .art-content h2 { padding: 10px 14px; font-size: 16px; }
      .art-content { font-size: 14px; }
    }