/* Force Font Awesome icons to stay upright */
    #module-rs-e9340-features i,
    #module-rs-e9340-features .fas,
    #module-rs-e9340-features .far,
    #module-rs-e9340-features .fab,
    #module-rs-e9340-features .fa {
        font-style: normal !important;
    }

    #module-rs-e9340-features * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    #module-rs-e9340-features {
      font-family: Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      color: #334155;
      max-width: 1200px;
      margin: 0 auto;
      padding: 48px 24px;
    }
    #module-rs-e9340-features .section-title {
      font-size: 28px;
      font-weight: 700;
      color: #0f172a;
      text-align: left;
      margin-bottom: 40px;
      padding-bottom: 10px;
      border-bottom: 3px solid #2563eb;
      display: inline-flex;
      align-items: center;
      gap: 12px;
    }
    #module-rs-e9340-features .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    #module-rs-e9340-features .feature-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 32px 24px;
      display: flex;
      flex-direction: column;
      align-items: center;
      transition: all 0.3s ease;
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    }
    #module-rs-e9340-features .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 28px rgba(37, 99, 235, 0.12);
      border-color: #2563eb;
    }
    #module-rs-e9340-features .feature-header {
      display: flex;
      align-items: center;
      gap: 12px;
      width: 100%;
      margin-bottom: 20px;
    }
    #module-rs-e9340-features .feature-header i {
      font-size: 26px;
      color: #2563eb;
      flex-shrink: 0;
    }
    #module-rs-e9340-features .feature-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      text-align: left;
      line-height: 1.4;
    }

    /* Common diagram base */
    #module-rs-e9340-features .feature-diagram {
      width: 100%;
      height: 140px;
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
      border-radius: 10px;
      position: relative;
      overflow: hidden;
    }

    /* 1. Compact Design Diagram */
    .diag-compact {
      display: flex;
      align-items: flex-end;
      gap: 24px;
      width: 85%;
    }
    .diag-compact .switch-large {
      width: 70px;
      height: 50px;
      background: #cbd5e1;
      border-radius: 4px;
      position: relative;
    }
    .diag-compact .switch-large::after {
      content: "Standard";
      position: absolute;
      bottom: -20px;
      left: 50%;
      transform: translateX(-50%);
      font-size: 10px;
      color: #64748b;
      white-space: nowrap;
    }
    .diag-compact .switch-small {
      width: 40px;
      height: 36px;
      background: #2563eb;
      border-radius: 4px;
      position: relative;
      animation: compact-highlight 2s infinite ease-in-out;
    }
    .diag-compact .switch-small::after {
      content: "RS-E9340";
      position: absolute;
      bottom: -20px;
      left: 50%;
      transform: translateX(-50%);
      font-size: 10px;
      color: #1e40af;
      font-weight: 600;
      white-space: nowrap;
    }
    @keyframes compact-highlight {
      0%, 100% { box-shadow: 0 0 0 rgba(37, 99, 235, 0.3); }
      50% { box-shadow: 0 0 12px rgba(37, 99, 235, 0.6); }
    }

    /* 2. Fanless Cooling Diagram */
    .diag-fanless {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      width: 80%;
    }
    .diag-fanless .heatsink {
      width: 120px;
      height: 30px;
      background: #64748b;
      border-radius: 4px;
      position: relative;
    }
    .diag-fanless .heatsink::before {
      content: "";
      position: absolute;
      top: -12px;
      left: 10%;
      width: 80%;
      height: 12px;
      background: repeating-linear-gradient(90deg, #64748b 0 8px, transparent 8px 14px);
    }
    .diag-fanless .air-flow {
      display: flex;
      justify-content: space-around;
      width: 100%;
    }
    .diag-fanless .air-line {
      width: 2px;
      height: 30px;
      background: linear-gradient(to top, #93c5fd, transparent);
      animation: air-rise 2s infinite ease-in-out;
    }
    .diag-fanless .air-line:nth-child(1) { animation-delay: 0s; }
    .diag-fanless .air-line:nth-child(2) { animation-delay: 0.3s; }
    .diag-fanless .air-line:nth-child(3) { animation-delay: 0.6s; }
    .diag-fanless .air-line:nth-child(4) { animation-delay: 0.9s; }
    .diag-fanless .air-line:nth-child(5) { animation-delay: 1.2s; }
    @keyframes air-rise {
      0% { opacity: 0; transform: translateY(10px); }
      50% { opacity: 1; transform: translateY(0); }
      100% { opacity: 0; transform: translateY(-10px); }
    }

    /* ========== 3. FIXED: Surge Protection Diagram (Pure CSS) ========== */
    .diag-surge {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 85%;
      padding: 0 10px;
    }
    /* Lightning bolt - pure CSS */
    .diag-surge .surge-bolt {
      width: 28px;
      height: 44px;
      position: relative;
      animation: surge-flash 1.5s infinite ease-in-out;
    }
    .diag-surge .surge-bolt::before {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 0;
      border-left: 10px solid transparent;
      border-right: 10px solid transparent;
      border-top: 24px solid #f59e0b;
    }
    .diag-surge .surge-bolt::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 0;
      border-left: 10px solid transparent;
      border-right: 10px solid transparent;
      border-bottom: 24px solid #f59e0b;
    }
    @keyframes surge-flash {
      0%, 100% { opacity: 0.4; transform: scale(0.9); }
      50% { opacity: 1; transform: scale(1.1); }
    }
    /* Shield - pure CSS */
    .diag-surge .shield-shape {
      width: 56px;
      height: 64px;
      position: relative;
      animation: shield-pulse 2s infinite ease-in-out;
    }
    .diag-surge .shield-shape::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 80%;
      background: #2563eb;
      border-radius: 50% 50% 0 0 / 40% 40% 0 0;
    }
    .diag-surge .shield-shape::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 0;
      border-left: 28px solid transparent;
      border-right: 28px solid transparent;
      border-top: 20px solid #2563eb;
    }
    @keyframes shield-pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.05); }
    }
    /* Device - pure CSS */
    .diag-surge .device-box {
      width: 44px;
      height: 36px;
      background: #1e293b;
      border-radius: 4px;
      position: relative;
    }
    .diag-surge .device-box::before {
      content: "";
      position: absolute;
      top: 8px;
      left: 6px;
      right: 6px;
      height: 4px;
      background: #475569;
      border-radius: 2px;
    }
    .diag-surge .device-box::after {
      content: "";
      position: absolute;
      bottom: 8px;
      left: 6px;
      right: 6px;
      height: 4px;
      background: #475569;
      border-radius: 2px;
    }

    /* ========== 4. FIXED: Cloud Management Diagram (Pure CSS) ========== */
    .diag-cloud {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
      width: 80%;
    }
    /* Cloud shape - pure CSS */
    .diag-cloud .cloud-shape {
      width: 72px;
      height: 36px;
      position: relative;
      animation: cloud-float 3s infinite ease-in-out;
    }
    .diag-cloud .cloud-shape span {
      position: absolute;
      background: #3b82f6;
      border-radius: 50%;
    }
    .diag-cloud .cloud-shape .c1 { width: 30px; height: 30px; top: 6px; left: 0; }
    .diag-cloud .cloud-shape .c2 { width: 40px; height: 40px; top: 0; left: 16px; }
    .diag-cloud .cloud-shape .c3 { width: 28px; height: 28px; top: 8px; right: 0; }
    .diag-cloud .cloud-shape .c-base {
      position: absolute;
      bottom: 0;
      left: 4px;
      right: 4px;
      height: 18px;
      background: #3b82f6;
      border-radius: 0 0 10px 10px;
    }
    @keyframes cloud-float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-4px); }
    }
    /* Device row - pure CSS squares */
    .diag-cloud .device-row {
      display: flex;
      justify-content: space-around;
      width: 100%;
    }
    .diag-cloud .device-dot {
      width: 18px;
      height: 18px;
      border-radius: 3px;
      background: #64748b;
      animation: device-blink 2s infinite ease-in-out;
    }
    .diag-cloud .device-dot:nth-child(1) { animation-delay: 0s; }
    .diag-cloud .device-dot:nth-child(2) { animation-delay: 0.3s; }
    .diag-cloud .device-dot:nth-child(3) { animation-delay: 0.6s; }
    .diag-cloud .device-dot:nth-child(4) { animation-delay: 0.9s; }
    @keyframes device-blink {
      0%, 100% { opacity: 0.6; }
      50% { opacity: 1; background: #475569; }
    }

    /* 5. PoE Power Diagram */
    .diag-poe {
      display: flex;
      align-items: center;
      gap: 12px;
      width: 90%;
    }
    .diag-poe .power-source {
      width: 45px;
      height: 55px;
      background: #f59e0b;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 20px;
      flex-shrink: 0;
      animation: power-pulse 2s infinite ease-in-out;
    }
    @keyframes power-pulse {
      0%, 100% { box-shadow: 0 0 0 rgba(245, 158, 11, 0.4); }
      50% { box-shadow: 0 0 12px rgba(245, 158, 11, 0.8); }
    }
    .diag-poe .port-group {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 4px;
      flex: 1;
    }
    .diag-poe .port-dot {
      height: 18px;
      border-radius: 3px;
      background: #3b82f6;
      animation: port-power 2s infinite ease-in-out;
    }
    .diag-poe .port-dot:nth-child(1) { animation-delay: 0s; }
    .diag-poe .port-dot:nth-child(2) { animation-delay: 0.15s; }
    .diag-poe .port-dot:nth-child(3) { animation-delay: 0.3s; }
    .diag-poe .port-dot:nth-child(4) { animation-delay: 0.45s; }
    .diag-poe .port-dot:nth-child(5) { animation-delay: 0.6s; }
    .diag-poe .port-dot:nth-child(6) { animation-delay: 0.75s; }
    .diag-poe .port-dot:nth-child(7) { animation-delay: 0.9s; }
    .diag-poe .port-dot:nth-child(8) { animation-delay: 1.05s; }
    @keyframes port-power {
      0%, 100% { opacity: 0.7; }
      50% { opacity: 1; background: #2563eb; }
    }

    /* 6. Wide Temperature Diagram */
    .diag-temp {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      width: 70%;
    }
    .diag-temp .thermometer {
      width: 30px;
      height: 90px;
      border: 3px solid #1e293b;
      border-radius: 15px;
      position: relative;
      background: #e2e8f0;
      overflow: hidden;
    }
    .diag-temp .temp-fill {
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      background: linear-gradient(to top, #3b82f6, #ef4444);
      animation: temp-range 3s infinite ease-in-out;
    }
    @keyframes temp-range {
      0%, 100% { height: 15%; }
      50% { height: 85%; }
    }
    .diag-temp .temp-range {
      display: flex;
      justify-content: space-between;
      width: 100%;
      font-size: 12px;
      font-weight: 600;
      color: #475569;
    }

    /* 7. Terminal Management Diagram */
    .diag-terminal {
      display: flex;
      align-items: center;
      gap: 12px;
      width: 85%;
    }
    .diag-terminal .switch-box {
      width: 50px;
      height: 50px;
      background: #1e40af;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 22px;
      flex-shrink: 0;
    }
    .diag-terminal .terminal-list {
      display: flex;
      flex-direction: column;
      gap: 6px;
      flex: 1;
    }
    .diag-terminal .term-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
    }
    .diag-terminal .term-status {
      width: 8px;
      height: 8px;
      border-radius: 50%;
    }
    .diag-terminal .status-ok { background: #22c55e; }
    .diag-terminal .status-fault {
      background: #ef4444;
      animation: fault-blink 1s infinite;
    }
    @keyframes fault-blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }
    .diag-terminal .reset-icon {
      width: 14px;
      height: 14px;
      border: 2px solid #f59e0b;
      border-right-color: transparent;
      border-radius: 50%;
      animation: reset-spin 2s infinite linear;
    }
    @keyframes reset-spin {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }

    /* 8. Easy O&M Diagram */
    .diag-om {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      width: 80%;
    }
    .diag-om .web-panel {
      width: 140px;
      height: 70px;
      background: #ffffff;
      border: 2px solid #3b82f6;
      border-radius: 6px;
      padding: 8px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .diag-om .panel-bar {
      height: 6px;
      background: #3b82f6;
      border-radius: 2px;
    }
    .diag-om .panel-row {
      height: 4px;
      background: #cbd5e1;
      border-radius: 2px;
      animation: config-load 2s infinite ease-in-out;
    }
    .diag-om .panel-row:nth-child(2) { animation-delay: 0.2s; }
    .diag-om .panel-row:nth-child(3) { animation-delay: 0.4s; }
    .diag-om .panel-row:nth-child(4) { animation-delay: 0.6s; }
    @keyframes config-load {
      0%, 100% { width: 60%; opacity: 0.7; }
      50% { width: 100%; opacity: 1; }
    }

    /* Feature list */
    #module-rs-e9340-features .feature-list {
      width: 100%;
      list-style: none;
      padding-left: 0;
    }
    #module-rs-e9340-features .feature-list li {
      position: relative;
      padding-left: 20px;
      margin-bottom: 8px;
      color: #475569;
      text-align: left;
    }
    #module-rs-e9340-features .feature-list li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 9px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #2563eb;
    }

    /* Responsive */
    @media (max-width: 992px) {
      #module-rs-e9340-features .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 576px) {
      #module-rs-e9340-features .features-grid {
        grid-template-columns: 1fr;
      }
      #module-rs-e9340-features .section-title {
        font-size: 22px;
      }
    }