/* ============ HEADER / BREADCRUMB ============ */
      .inner-product-header {
        background: linear-gradient(
          180deg,
          rgba(0, 198, 255, 0.08) 0%,
          transparent 100%
        );
        padding-block: clamp(30px, 4vw, 50px) clamp(20px, 3vw, 35px);
        text-align: center;
      }

      .inner-product-header .breadcrumb {
        margin-top: 10px;
        font-size: 0.9rem;
        color: var(--text-muted);
      }

      .inner-product-header .breadcrumb a {
        color: var(--primary);
        transition: opacity 0.3s;
      }

      .inner-product-header .breadcrumb a:hover {
        opacity: 0.7;
      }

      .inner-product-header .breadcrumb span {
        margin: 0 6px;
        opacity: 0.5;
      }

      /* ============ QUICK ANSWER BOX (AEO / GEO) ============ */
      .inner-product-quick-answer {
        max-width: 900px;
        margin: 18px auto 0;
        background: var(--glass-bg);
        border: 1px solid var(--border-light);
        border-left: 4px solid var(--primary);
        border-radius: 12px;
        padding: 18px 22px;
        text-align: left;
      }

      .inner-product-quick-answer p {
        color: var(--text-light);
        font-size: 1rem;
        margin: 0;
      }

      .inner-product-quick-answer .label {
        display: block;
        color: var(--primary);
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        margin-bottom: 6px;
      }

      /* ============ HERO SECTION ============ */
      .inner-product-hero {
        padding-block: clamp(25px, 4vw, 50px);
      }

      .inner-product-hero-wrap {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: clamp(25px, 4vw, 50px);
        align-items: center;
      }

      .inner-product-hero-image {
        background: var(--glass-bg);
        border: 1px solid var(--border-light);
        border-radius: 18px;
        padding: clamp(15px, 2vw, 25px);
        display: flex;
        align-items: center;
        justify-content: center;
        transition:
          transform 0.4s ease,
          box-shadow 0.4s ease;
      }

      .inner-product-hero-image:hover {
        transform: scale(1.02);
        box-shadow: 0 20px 50px rgba(0, 198, 255, 0.15);
      }

      .inner-product-hero-image img {
        border-radius: 12px;
        width: 100%;
        max-width: 400px;
        height: auto;
      }

      .inner-product-hero-content h1 {
        margin-bottom: 10px;
      }

      .inner-product-hero-desc {
        font-size: clamp(1rem, 1.5vw, 1.15rem);
        line-height: 1.8;
        margin-bottom: 18px;
      }

      .inner-product-hero-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 22px;
      }

      .inner-product-hero-tags span {
        background: var(--glass-bg);
        border: 1px solid var(--border-light);
        padding: 6px 16px;
        border-radius: 50px;
        font-size: 0.85rem;
        font-weight: 500;
        color: var(--text-light);
        transition:
          background 0.3s,
          border-color 0.3s;
      }

      .inner-product-hero-tags span:hover {
        background: rgba(0, 198, 255, 0.15);
        border-color: var(--primary);
      }

      .inner-product-hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        align-items: center;
      }

      .inner-product-hero-call {
        color: var(--text-light);
        font-weight: 600;
        font-size: 0.95rem;
        border: 1px solid var(--border-light);
        padding: 12px 20px;
        border-radius: 8px;
        transition: border-color 0.3s;
      }

      .inner-product-hero-call:hover {
        border-color: var(--primary);
      }

      /* ============ TRUST / E-E-A-T BAR ============ */
      .inner-product-trust-bar {
        max-width: 1100px;
        margin: 0 auto;
        padding: 14px var(--container-padding) 0;
        display: flex;
        flex-wrap: wrap;
        gap: 8px 18px;
        justify-content: center;
        font-size: 0.85rem;
        color: var(--text-muted);
      }

      .inner-product-trust-bar strong {
        color: var(--text-light);
      }

      /* ============ ARTICLE SECTION ============ */
      .inner-product-article {
        background: var(--bg-light);
        border-radius: 20px;
        margin: 0 auto clamp(20px, 3vw, 40px);
        padding: clamp(25px, 4vw, 50px);
        max-width: 1100px;
      }

      .inner-product-article h2 {
        text-align: center;
        margin-bottom: 20px;
      }

      .inner-product-article-content p {
        margin-bottom: 14px;
        text-align: justify;
      }

      .inner-product-article-content h3 {
        color: var(--text-light);
        margin: 26px 0 10px;
      }

      .inner-product-key-points {
        background: var(--glass-bg);
        border: 1px solid var(--border-light);
        border-radius: 12px;
        padding: 18px 22px;
        margin: 20px 0;
      }

      .inner-product-key-points p.label {
        color: var(--primary);
        font-weight: 700;
        font-size: 0.85rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin: 0 0 10px;
      }

      .inner-product-key-points ul {
        display: grid;
        gap: 8px;
      }

      .inner-product-key-points li {
        color: var(--text-light);
        font-size: 0.95rem;
        padding-left: 20px;
        position: relative;
      }

      .inner-product-key-points li::before {
        content: "•";
        color: var(--primary);
        position: absolute;
        left: 0;
        font-weight: 700;
      }

      /* ============ SPECIFICATIONS TABLE ============ */
      .inner-product-specs {
        padding-block: clamp(30px, 4vw, 50px);
      }

      .inner-product-specs h2 {
        text-align: center;
        margin-bottom: 25px;
      }

      .inner-product-specs-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 16px;
      }

      .inner-product-spec-card {
        background: var(--glass-bg);
        border: 1px solid var(--border-light);
        border-radius: 14px;
        padding: 20px;
        text-align: center;
        transition:
          transform 0.3s,
          box-shadow 0.3s,
          border-color 0.3s;
      }

      .inner-product-spec-card:hover {
        transform: translateY(-5px);
        border-color: var(--primary);
        box-shadow: 0 12px 30px rgba(0, 198, 255, 0.2);
      }

      .inner-product-spec-card h3 {
        color: var(--primary);
        margin-bottom: 8px;
        font-size: 1.1rem;
      }

      .inner-product-spec-card p {
        margin: 0;
        font-size: 0.9rem;
      }

      /* ============ FEATURES SECTION ============ */
      .inner-product-features {
        padding-block: clamp(30px, 4vw, 50px);
      }

      .inner-product-features h2 {
        text-align: center;
        margin-bottom: 25px;
      }

      .inner-product-features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 18px;
      }

      .inner-product-feature-card {
        background: var(--glass-bg);
        border: 1px solid var(--border-light);
        border-radius: 14px;
        padding: 22px;
        transition:
          transform 0.3s,
          box-shadow 0.3s;
      }

      .inner-product-feature-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 25px rgba(0, 198, 255, 0.15);
      }

      .inner-product-feature-card h3 {
        color: var(--primary);
        margin-bottom: 8px;
        font-size: 1.1rem;
      }

      .inner-product-feature-card p {
        margin: 0;
        font-size: 0.92rem;
      }

      /* ============ HOW-TO / STEPS SECTION ============ */
      .inner-product-steps {
        padding-block: clamp(30px, 4vw, 50px);
        background: var(--bg-light);
      }

      .inner-product-steps h2 {
        text-align: center;
        margin-bottom: 8px;
      }

      .inner-product-steps > .container > p {
        text-align: center;
        max-width: 700px;
        margin: 0 auto 28px;
      }

      .inner-product-steps-list {
        display: grid;
        gap: 14px;
        max-width: 800px;
        margin-inline: auto;
      }

      .inner-product-step {
        display: flex;
        gap: 16px;
        background: var(--glass-bg);
        border: 1px solid var(--border-light);
        border-radius: 12px;
        padding: 16px 20px;
      }

      .inner-product-step-num {
        flex-shrink: 0;
        width: 34px;
        height: 34px;
        border-radius: 50%;
        background: var(--gradient);
        color: #000;
        font-weight: 700;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.95rem;
      }

      .inner-product-step h3 {
        font-size: 1rem;
        color: var(--text-light);
        margin-bottom: 4px;
      }

      .inner-product-step p {
        margin: 0;
        font-size: 0.9rem;
      }

      /* ============ APPLICATIONS SECTION ============ */
      .inner-product-applications {
        padding-block: clamp(30px, 4vw, 50px);
      }

      .inner-product-applications h2 {
        text-align: center;
        margin-bottom: 22px;
      }

      .inner-product-applications-list {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center;
        max-width: 900px;
        margin-inline: auto;
      }

      .inner-product-applications-list span {
        background: var(--glass-bg);
        border: 1px solid var(--border-light);
        padding: 10px 20px;
        border-radius: 50px;
        font-size: 0.9rem;
        transition:
          background 0.3s,
          border-color 0.3s;
      }

      .inner-product-applications-list span:hover {
        background: rgba(0, 198, 255, 0.15);
        border-color: var(--primary);
      }

      /* ============ FAQ SECTION ============ */
      .inner-product-faq {
        padding-block: clamp(30px, 4vw, 50px);
        max-width: 900px;
        margin-inline: auto;
      }

      .inner-product-faq h2 {
        text-align: center;
        margin-bottom: 8px;
      }

      .inner-product-faq > p {
        text-align: center;
        margin-bottom: 25px;
      }

      .faq-item {
        background: var(--glass-bg);
        border: 1px solid var(--border-light);
        border-radius: 12px;
        margin-bottom: 12px;
        overflow: hidden;
        transition: border-color 0.3s;
      }

      .faq-item:hover {
        border-color: var(--primary);
      }

      .faq-question {
        padding: 16px 20px;
        cursor: pointer;
        font-weight: 600;
        font-size: 1rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 15px;
        color: var(--text-light);
        transition: color 0.3s;
      }

      .faq-question:hover {
        color: var(--primary);
      }

      .faq-question strong {
        color: var(--primary);
        font-weight: 600;
      }

      .faq-toggle-icon {
        flex-shrink: 0;
        width: 24px;
        height: 24px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        transition: transform 0.3s;
        color: var(--primary);
      }

      .faq-item.active .faq-toggle-icon {
        transform: rotate(45deg);
      }

      .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition:
          max-height 0.4s ease,
          padding 0.3s ease;
        padding: 0 20px;
      }

      .faq-item.active .faq-answer {
        max-height: 400px;
        padding: 0 20px 18px;
      }

      .faq-answer p {
        margin: 0;
        font-size: 0.93rem;
        line-height: 1.7;
      }

      .faq-answer p strong {
        color: var(--primary);
        font-weight: 600;
      }

      /* ============ CTA SECTION ============ */
      .inner-product-cta {
        padding-block: clamp(30px, 4vw, 50px);
      }

      .inner-product-cta-box {
        background: linear-gradient(
          135deg,
          rgba(0, 198, 255, 0.12) 0%,
          rgba(0, 255, 204, 0.06) 100%
        );
        border: 1px solid var(--border-light);
        border-radius: 18px;
        padding: clamp(25px, 4vw, 45px);
        text-align: center;
        max-width: 800px;
        margin-inline: auto;
      }

      .inner-product-cta-box h2 {
        margin-bottom: 12px;
      }

      .inner-product-cta-box p {
        margin-bottom: 20px;
        font-size: 1rem;
      }

      .inner-product-cta-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        justify-content: center;
      }

      /* ============ RESPONSIVE ============ */
      @media (max-width: 992px) {
        .inner-product-hero-wrap {
          grid-template-columns: 1fr;
          text-align: center;
        }

        .inner-product-hero-image {
          order: -1;
        }

        .inner-product-hero-tags,
        .inner-product-hero-actions {
          justify-content: center;
        }

        .inner-product-article-content p {
          text-align: left;
        }
      }

      @media (max-width: 768px) {
        .btn {
          padding: 11px 22px;
          font-size: 0.9rem;
        }

        .inner-product-specs-grid {
          grid-template-columns: 1fr 1fr;
        }

        .inner-product-features-grid {
          grid-template-columns: 1fr;
        }

        .faq-question {
          font-size: 0.95rem;
          padding: 14px 16px;
        }

        .inner-product-step {
          flex-direction: column;
        }
      }

      @media (max-width: 480px) {
        .inner-product-specs-grid {
          grid-template-columns: 1fr;
        }

        .inner-product-applications-list span {
          font-size: 0.8rem;
          padding: 8px 14px;
        }

        .faq-question {
          font-size: 0.9rem;
          padding: 12px 14px;
        }
      }