

    /* ─── Reset & Base ──────────────────────────────────────────── */
    .cobtel-page,
    .cobtel-page *,
    .cobtel-page *::before,
    .cobtel-page *::after { box-sizing: border-box; margin: 0; padding: 0; }

    .cobtel-page {
      --cobtel-navy:    #16213e;
      --cobtel-red:     #c8374e;
      --cobtel-red-dk:  #a5263b;
      --cobtel-red-lt:  #ffe8ed;
      --cobtel-gray-50: #f8f9fa;
      --cobtel-gray-100:#f1f1f1;
      --cobtel-gray-300:#d1d1d1;
      --cobtel-gray-500:#888;
      --cobtel-gray-700:#555;
      --cobtel-text:    #2a2a2a;
      --cobtel-white:   #ffffff;
    }

    .cobtel-page {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                   "Helvetica Neue", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--cobtel-text);
      background: var(--cobtel-white);
    }

    /* ─── Typography ────────────────────────────────────────────── */
    .cobtel-page h1 { font-size: clamp(1.75rem, 4vw, 2.6rem); font-weight: 800; line-height: 1.2; color: var(--cobtel-navy); }
    .cobtel-page h2 { font-size: clamp(1.4rem, 3vw, 2rem);    font-weight: 700; line-height: 1.3; color: var(--cobtel-navy); }
    .cobtel-page h3 { font-size: 1.15rem; font-weight: 700; color: var(--cobtel-navy); }
    .cobtel-page h4 { font-size: 0.95rem; font-weight: 700; color: var(--cobtel-navy); }
    .cobtel-page p { color: var(--cobtel-gray-700); margin-bottom: 1rem; }
    .cobtel-page p:last-child { margin-bottom: 0; }
    .cobtel-page strong { color: var(--cobtel-navy); }

    /* ─── Layout ────────────────────────────────────────────────── */
    .cobtel-page .wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

    .cobtel-page .sec { padding: 72px 0; background: var(--cobtel-white); }
    .cobtel-page .sec--gray { padding: 72px 0; background: var(--cobtel-gray-50); }
    .cobtel-page .sec--dark { padding: 72px 0; background: var(--cobtel-navy); }

    /* ─── Section Header ────────────────────────────────────────── */
    .cobtel-page .sec-hd { text-align: center; max-width: 760px; margin: 0 auto 52px; }
    .cobtel-page .sec-hd h2 { margin-bottom: 14px; }
    .cobtel-page .sec-hd p { font-size: 1.05rem; color: var(--cobtel-gray-500); }
    .cobtel-page .fiber-line {
      width: 64px; height: 4px; margin: 14px auto 18px;
      background: linear-gradient(90deg, var(--cobtel-red), #e86070, var(--cobtel-red));
      border-radius: 2px;
    }

    /* ─── HERO ──────────────────────────────────────────────────── */
    .cobtel-page .hero {
      background: linear-gradient(135deg, #0d1b36 0%, #1e3460 55%, #2a1828 100%);
      padding: 80px 0 68px;
      position: relative;
      overflow: hidden;
    }
    .cobtel-page .hero::before {
      content: "";
      position: absolute; inset: 0;
      background: repeating-linear-gradient(
        -45deg,
        transparent, transparent 18px,
        rgba(200,55,78,.04) 18px, rgba(200,55,78,.04) 19px
      );
      pointer-events: none;
    }
    .cobtel-page .hero-inner {
      display: flex; gap: 56px; align-items: flex-start; flex-wrap: wrap;
    }
    .cobtel-page .hero-text { flex: 1; min-width: 280px; }
    .cobtel-page .hero-eyebrow {
      display: inline-block;
      background: rgba(200,55,78,.18);
      border: 1px solid rgba(200,55,78,.45);
      color: #ffb3c0;
      font-size: 0.78rem; font-weight: 700; letter-spacing: .08em;
      text-transform: uppercase;
      padding: 4px 14px; border-radius: 20px; margin-bottom: 18px;
    }
    .cobtel-page .hero h1 { color: var(--cobtel-white); margin-bottom: 20px; }
    .cobtel-page .hero-desc { color: rgba(255,255,255,.78); font-size: 1.05rem; margin-bottom: 20px; }
    .cobtel-page .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; }
    .cobtel-page .tag {
      font-size: 0.8rem; font-weight: 600;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.2);
      color: rgba(255,255,255,.85);
      padding: 4px 13px; border-radius: 20px;
    }
    .cobtel-page .btn-primary {
      display: inline-block;
      background: var(--cobtel-red); color: var(--cobtel-white);
      padding: 15px 36px; border-radius: 6px;
      font-size: 1rem; font-weight: 700; text-decoration: none;
      margin-top: 6px;
      transition: background .25s, transform .15s;
    }
    .cobtel-page .btn-primary:hover { background: var(--cobtel-red-dk); transform: translateY(-1px); }

    /* ─── FEATURES GRID (6 icons) ───────────────────────────────── */
    .cobtel-page .feat-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
      gap: 24px;
    }
    /* Force a single row on tablet/desktop (>640px); below that it
       wraps responsively via the auto-fit rule above. */
    @media (min-width: 641px) {
      .cobtel-page .feat-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 16px;
      }
    }
    .cobtel-page .feat-card {
      text-align: center;
      background: var(--cobtel-white);
      border: 1px solid var(--cobtel-gray-300);
      border-radius: 12px;
      padding: 28px 16px 24px;
      box-shadow: 0 2px 14px rgba(0,0,0,.05);
      transition: box-shadow .25s, transform .2s;
    }
    .cobtel-page .feat-card:hover { box-shadow: 0 6px 24px rgba(200,55,78,.12); transform: translateY(-2px); }
    .cobtel-page .feat-icon {
      width: 58px; height: 58px;
      border: 2.5px solid var(--cobtel-navy);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 14px;
      font-size: 1.4rem;
    }
    .cobtel-page .feat-card h3 { font-size: 0.92rem; margin-bottom: 6px; }
    .cobtel-page .feat-card p { font-size: 0.83rem; color: var(--cobtel-gray-500); margin: 0; }

    /* ─── WHAT IS LC (two-col) ─────────────────────────────────── */
    .cobtel-page .two-col { display: flex; gap: 48px; flex-wrap: wrap; }
    .cobtel-page .two-col > .col { flex: 1; min-width: 280px; }

    .cobtel-page .info-box {
      background: var(--cobtel-gray-50);
      border-radius: 12px;
      padding: 30px;
    }
    .cobtel-page .info-box h3 { color: var(--cobtel-red); margin-bottom: 16px; }

    .cobtel-page ul.check { list-style: none; padding: 0; }
    .cobtel-page ul.check li {
      padding: 6px 0 6px 26px;
      position: relative;
      font-size: 0.95rem;
      color: var(--cobtel-gray-700);
      border-bottom: 1px solid var(--cobtel-gray-100);
    }
    .cobtel-page ul.check li:last-child { border-bottom: none; }
    .cobtel-page ul.check li::before {
      content: "✓";
      position: absolute; left: 0;
      color: var(--cobtel-red); font-weight: 700;
    }

    /* ─── APPLICATIONS ──────────────────────────────────────────── */
    .cobtel-page .app-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 22px;
    }
    .cobtel-page .app-card {
      background: var(--cobtel-white);
      border-left: 5px solid var(--cobtel-red);
      border-radius: 0 10px 10px 0;
      padding: 24px 22px;
      box-shadow: 0 2px 12px rgba(0,0,0,.06);
    }
    .cobtel-page .app-card h3 { font-size: 1rem; margin-bottom: 8px; }
    .cobtel-page .app-card p { font-size: 0.9rem; color: var(--cobtel-gray-700); margin: 0; }
    .cobtel-page .app-icon { font-size: 1.35rem; margin-bottom: 8px; display: block; }

    /* ─── ADVANTAGES ────────────────────────────────────────────── */
    .cobtel-page .adv-item {
      display: flex; gap: 24px;
      margin-bottom: 44px;
      align-items: flex-start;
    }
    .cobtel-page .adv-num {
      width: 46px; height: 46px; min-width: 46px;
      background: var(--cobtel-red); color: var(--cobtel-white);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.1rem; font-weight: 800;
    }
    .cobtel-page .adv-body h3 { margin-bottom: 10px; }
    .cobtel-page .adv-body p { font-size: 0.97rem; }

    /* ─── SPECS TABLE ───────────────────────────────────────────── */
    .cobtel-page .tbl-wrap { overflow-x: auto; }
    .cobtel-page table.specs {
      width: 100%; border-collapse: collapse;
      font-size: 0.93rem;
    }
    .cobtel-page table.specs thead th {
      background: var(--cobtel-navy); color: var(--cobtel-white);
      text-align: left; padding: 14px 18px;
      font-weight: 700;
    }
    .cobtel-page table.specs tbody td {
      padding: 12px 18px;
      border-bottom: 1px solid var(--cobtel-gray-300);
      color: var(--cobtel-gray-700);
      vertical-align: top;
    }
    .cobtel-page table.specs tbody tr:nth-child(even) td { background: var(--cobtel-gray-50); }
    .cobtel-page table.specs tbody tr:hover td { background: var(--cobtel-red-lt); }
    .cobtel-page table.specs .param { font-weight: 600; color: var(--cobtel-navy); white-space: nowrap; }

    /* ─── CUSTOMIZATION ─────────────────────────────────────────── */
    .cobtel-page .cust-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
      gap: 20px;
    }
    .cobtel-page .cust-card {
      background: var(--cobtel-white);
      border-top: 4px solid var(--cobtel-red);
      border-radius: 8px;
      padding: 24px 20px;
      box-shadow: 0 1px 8px rgba(0,0,0,.07);
    }
    .cobtel-page .cust-card h3 { font-size: 1rem; margin-bottom: 8px; }
    .cobtel-page .cust-card p { font-size: 0.88rem; color: var(--cobtel-gray-500); margin: 0; }

    .cobtel-page .hl-box {
      background: linear-gradient(130deg, var(--cobtel-navy) 0%, #2c1428 100%);
      border-radius: 14px;
      padding: 38px 40px;
      margin-top: 40px;
    }
    .cobtel-page .hl-box h2 { color: var(--cobtel-white); margin-bottom: 12px; }
    .cobtel-page .hl-box p { color: rgba(255,255,255,.78); margin: 0; font-size: 1rem; }

    /* ─── PRODUCTION STATS ──────────────────────────────────────── */
    .cobtel-page .stat-row {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 18px;
      margin-bottom: 42px;
    }
    .cobtel-page .stat-box {
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 10px;
      padding: 24px 14px;
      text-align: center;
    }
    .cobtel-page .stat-n { font-size: 2rem; font-weight: 800; color: #ffb3c0; display: block; }
    .cobtel-page .stat-l { font-size: 0.8rem; color: rgba(255,255,255,.6); margin-top: 4px; display: block; line-height: 1.35; }

    .cobtel-page .process-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
      gap: 20px;
      margin-top: 32px;
    }
    /* Force a single row on tablet/desktop (>640px); below that it
       wraps responsively via the auto-fit rule above. */
    @media (min-width: 641px) {
      .cobtel-page .process-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 14px;
      }
    }
    .cobtel-page .p-step { text-align: center; }
    .cobtel-page .p-num {
      width: 46px; height: 46px;
      background: var(--cobtel-red); color: var(--cobtel-white);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.05rem; font-weight: 800;
      margin: 0 auto 12px;
    }
    .cobtel-page .p-step h4 { font-size: 0.88rem; color: var(--cobtel-white); margin-bottom: 6px; }
    .cobtel-page .p-step p { font-size: 0.8rem; color: rgba(255,255,255,.6); margin: 0; }

    /* ─── CERTIFICATIONS ────────────────────────────────────────── */
    .cobtel-page .cert-row { display: flex; flex-wrap: wrap; gap: 14px; margin: 20px 0 28px; }
    .cobtel-page .cert-badge {
      background: var(--cobtel-white);
      border: 2px solid var(--cobtel-red);
      border-radius: 8px;
      padding: 10px 20px;
      font-weight: 700; font-size: 0.9rem;
      color: var(--cobtel-navy);
    }
    .cobtel-page .testimonial-box {
      background: var(--cobtel-gray-50);
      border-radius: 12px;
      padding: 28px;
    }
    .cobtel-page .testimonial-box blockquote {
      font-style: italic;
      color: var(--cobtel-gray-700);
      font-size: 0.95rem;
      line-height: 1.7;
      border-left: 3px solid var(--cobtel-red);
      padding-left: 16px;
      margin-bottom: 10px;
    }
    .cobtel-page .testimonial-box cite { font-size: 0.85rem; font-weight: 700; color: var(--cobtel-navy); font-style: normal; }

    /* ─── FAQ ───────────────────────────────────────────────────── */
    .cobtel-page .faq-wrap {
      background: var(--cobtel-white);
      max-width: 860px;
      margin: 0 auto;
    }
    .cobtel-page .faq-item {
      padding: 0 0 28px;
      margin-bottom: 28px;
      border-bottom: 1px solid var(--cobtel-gray-300);
    }
    .cobtel-page .faq-item:last-child { border-bottom: none; margin-bottom: 0; }
    .cobtel-page .faq-q {
      font-size: 1.08rem;
      font-weight: 700;
      color: var(--cobtel-navy);
      margin-bottom: 14px;
      line-height: 1.45;
    }
    .cobtel-page .faq-a {
      background: #f5f5f5;
      border-radius: 4px;
      padding: 16px 20px 16px 24px;
      margin-left: 18px;
      font-size: 0.95rem;
      color: #5a5a5a;
      line-height: 1.75;
    }

    /* ─── CTA BANNER ────────────────────────────────────────────── */
    .cobtel-page .cta-banner {
      background: linear-gradient(130deg, #c8374e 0%, #16213e 100%);
      padding: 72px 0;
      text-align: center;
    }
    .cobtel-page .cta-banner h2 { color: var(--cobtel-white); margin-bottom: 14px; }
    .cobtel-page .cta-banner p { color: rgba(255,255,255,.8); font-size: 1.05rem;
                     max-width: 680px; margin: 0 auto 30px; }
    .cobtel-page .btn-white {
      display: inline-block;
      background: var(--cobtel-white); color: var(--cobtel-red);
      padding: 15px 40px; border-radius: 6px;
      font-size: 1.05rem; font-weight: 800;
      text-decoration: none;
      transition: transform .15s, box-shadow .15s;
    }
    .cobtel-page .btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,.2); }

    /* ─── HERO FADE-IN (CSS-only — no JS / no IntersectionObserver) ─
         Runs automatically on paint via animation-fill-mode, so it
         can never get "stuck" invisible if a theme script conflicts
         or never fires. ─────────────────────────────────────────── */
    @keyframes cobtelHeroFadeInUp {
      from { opacity: 0; transform: translateY(18px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .cobtel-page .hero-eyebrow,
    .cobtel-page .hero-text h1,
    .cobtel-page .hero-desc,
    .cobtel-page .hero-text .tag-row,
    .cobtel-page .hero-text .btn-primary {
      opacity: 0;
      animation: cobtelHeroFadeInUp .7s ease-out forwards;
    }
    .cobtel-page .hero-eyebrow            { animation-delay: 0s;    }
    .cobtel-page .hero-text h1            { animation-delay: .08s;  }
    .cobtel-page .hero-desc:nth-of-type(1){ animation-delay: .16s;  }
    .cobtel-page .hero-desc:nth-of-type(2){ animation-delay: .24s;  }
    .cobtel-page .hero-text .tag-row      { animation-delay: .32s;  }
    .cobtel-page .hero-text .btn-primary  { animation-delay: .4s;   }

    /* Respect users who've asked for reduced motion */
    @media (prefers-reduced-motion: reduce) {
      .cobtel-page .hero-eyebrow,
      .cobtel-page .hero-text h1,
      .cobtel-page .hero-desc,
      .cobtel-page .hero-text .tag-row,
      .cobtel-page .hero-text .btn-primary {
        animation: none;
        opacity: 1;
        transform: none;
      }
    }

    /* ─── Responsive ────────────────────────────────────────────── */
    @media (max-width: 700px) {
      .cobtel-page .sec,
    .cobtel-page .sec--gray,
    .cobtel-page .sec--dark { padding: 48px 0; }
      .cobtel-page .adv-item { flex-direction: column; }
      .cobtel-page .hl-box { padding: 28px 22px; }
    }
  
