/* Force Font Awesome icons to stay upright */
    #module-rw-ap1611-features i,
    #module-rw-ap1611-features .fas,
    #module-rw-ap1611-features .far,
    #module-rw-ap1611-features .fab,
    #module-rw-ap1611-features .fa {
        font-style: normal !important;
    }

    #module-rw-ap1611-features * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    #module-rw-ap1611-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-rw-ap1611-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-rw-ap1611-features .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    #module-rw-ap1611-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-rw-ap1611-features .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 28px rgba(37, 99, 235, 0.12);
      border-color: #2563eb;
    }
    #module-rw-ap1611-features .feature-header {
      display: flex;
      align-items: center;
      gap: 12px;
      width: 100%;
      margin-bottom: 20px;
    }
    #module-rw-ap1611-features .feature-header i {
      font-size: 26px;
      color: #2563eb;
      flex-shrink: 0;
    }
    #module-rw-ap1611-features .feature-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      text-align: left;
      line-height: 1.4;
    }

    /* Common diagram base */
    #module-rw-ap1611-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. Wi-Fi 6 High Speed Diagram */
    .diag-wifi6-std {
      display: flex;
      align-items: flex-end;
      justify-content: center;
      gap: 12px;
      width: 80%;
      height: 90px;
    }
    .diag-wifi6-std .bw-bar {
      width: 40px;
      border-radius: 4px 4px 0 0;
      animation: bar-grow-std 2.5s infinite ease-in-out;
    }
    .diag-wifi6-std .bar-20 { height: 25%; background: #93c5fd; animation-delay: 0s; }
    .diag-wifi6-std .bar-40 { height: 45%; background: #60a5fa; animation-delay: 0.2s; }
    .diag-wifi6-std .bar-80 { height: 70%; background: #3b82f6; animation-delay: 0.4s; }
    .diag-wifi6-std .bar-160 { height: 100%; background: #2563eb; animation-delay: 0.6s; }
    @keyframes bar-grow-std {
      0%, 100% { transform: scaleY(0.95); }
      50% { transform: scaleY(1.05); }
    }
    .diag-wifi6-std .bar-label {
      position: absolute;
      bottom: 8px;
      font-size: 10px;
      color: #1e40af;
      font-weight: 600;
      display: flex;
      gap: 14px;
      margin-left: 2px;
    }

    /* 2. Ultra-Thin Design Diagram */
    .diag-ultrathin {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 30px;
      width: 85%;
    }
    .diag-ultrathin .wall-box {
      width: 70px;
      height: 70px;
      border: 2px dashed #94a3b8;
      border-radius: 4px;
      background: #f1f5f9;
      position: relative;
    }
    .diag-ultrathin .ap-thin {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 76px;
      height: 24px;
      background: white;
      border: 2px solid #2563eb;
      border-radius: 3px;
      box-shadow: 0 2px 8px rgba(37,99,235,0.2);
      animation: thin-float 3s infinite ease-in-out;
    }
    @keyframes thin-float {
      0%, 100% { transform: translate(-50%, -50%) translateY(0); }
      50% { transform: translate(-50%, -50%) translateY(-2px); }
    }
    .diag-ultrathin .thickness-label {
      position: absolute;
      right: -30px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 10px;
      color: #2563eb;
      font-weight: 700;
    }
    .diag-ultrathin .signal-wave {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      border: 2px solid rgba(37,99,235,0.3);
      border-radius: 50%;
      animation: signal-expand-std 2.5s infinite ease-out;
    }
    .diag-ultrathin .wave1 { width: 90px; height: 90px; animation-delay: 0s; }
    .diag-ultrathin .wave2 { width: 110px; height: 110px; animation-delay: 0.7s; }
    @keyframes signal-expand-std {
      0% { opacity: 0.7; transform: translate(-50%, -50%) scale(0.8); }
      100% { opacity: 0; transform: translate(-50%, -50%) scale(1.1); }
    }

    /* 3. 4 Gigabit Ports Diagram */
    .diag-4port-std {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      width: 85%;
    }
    .diag-4port-std .ap-body {
      width: 110px;
      height: 45px;
      background: white;
      border: 2px solid #2563eb;
      border-radius: 6px;
      position: relative;
    }
    .diag-4port-std .port-row {
      position: absolute;
      bottom: 6px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 5px;
    }
    .diag-4port-std .mini-port {
      width: 16px;
      height: 12px;
      background: #1e293b;
      border-radius: 1px;
      animation: port-blink-std 2s infinite ease-in-out;
    }
    .diag-4port-std .mini-port:nth-child(1) { animation-delay: 0s; }
    .diag-4port-std .mini-port:nth-child(2) { animation-delay: 0.3s; }
    .diag-4port-std .mini-port:nth-child(3) { animation-delay: 0.6s; }
    .diag-4port-std .mini-port:nth-child(4) { animation-delay: 0.9s; }
    @keyframes port-blink-std {
      0%, 100% { opacity: 0.7; }
      50% { opacity: 1; }
    }
    .diag-4port-std .device-row {
      display: flex;
      justify-content: space-around;
      width: 100%;
    }
    .diag-4port-std .device-icon {
      width: 22px;
      height: 22px;
      border-radius: 4px;
      background: #64748b;
      animation: device-pulse-std 2s infinite ease-in-out;
    }
    .diag-4port-std .device-icon:nth-child(1) { animation-delay: 0s; }
    .diag-4port-std .device-icon:nth-child(2) { animation-delay: 0.3s; }
    .diag-4port-std .device-icon:nth-child(3) { animation-delay: 0.6s; }
    .diag-4port-std .device-icon:nth-child(4) { animation-delay: 0.9s; }
    @keyframes device-pulse-std {
      0%, 100% { transform: scale(0.95); opacity: 0.7; }
      50% { transform: scale(1.05); opacity: 1; }
    }
    .diag-4port-std .data-line {
      position: absolute;
      top: 50%;
      left: 10%;
      right: 10%;
      height: 2px;
      background: linear-gradient(90deg, transparent, #2563eb, transparent);
      animation: data-flow-std 2s infinite linear;
    }
    @keyframes data-flow-std {
      0% { background-position: -90px 0; }
      100% { background-position: 90px 0; }
    }

    /* 4. Low Power Energy Saving Diagram */
    .diag-lowpower {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      width: 80%;
    }
    .diag-lowpower .thermometer {
      width: 24px;
      height: 80px;
      border: 3px solid #2563eb;
      border-radius: 12px;
      position: relative;
      background: white;
      overflow: hidden;
    }
    .diag-lowpower .temp-fill {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 30%;
      background: linear-gradient(180deg, #60a5fa 0%, #2563eb 100%);
      border-radius: 0 0 9px 9px;
      animation: temp-rise 3s infinite ease-in-out;
    }
    @keyframes temp-rise {
      0%, 100% { height: 25%; }
      50% { height: 35%; }
    }
    .diag-lowpower .power-label {
      text-align: center;
    }
    .diag-lowpower .power-value {
      font-size: 28px;
      font-weight: 700;
      color: #2563eb;
      line-height: 1;
    }
    .diag-lowpower .power-unit {
      font-size: 12px;
      color: #475569;
      margin-top: 4px;
    }
    .diag-lowpower .leaf-icon {
      font-size: 32px;
      color: #10b981;
      animation: leaf-sway 2s infinite ease-in-out;
    }
    @keyframes leaf-sway {
      0%, 100% { transform: rotate(-5deg); }
      50% { transform: rotate(5deg); }
    }

    /* 5. Multi-Mode Management Diagram */
    .diag-multimode-std {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      width: 80%;
    }
    .diag-multimode-std .cloud-layer {
      width: 56px;
      height: 30px;
      position: relative;
      animation: cloud-float-std 3s infinite ease-in-out;
    }
    .diag-multimode-std .cloud-layer span {
      position: absolute;
      background: #3b82f6;
      border-radius: 50%;
    }
    .diag-multimode-std .c1 { width: 24px; height: 24px; top: 6px; left: 0; }
    .diag-multimode-std .c2 { width: 32px; height: 32px; top: 0; left: 12px; }
    .diag-multimode-std .c3 { width: 22px; height: 22px; top: 8px; right: 0; }
    .diag-multimode-std .c-base {
      position: absolute;
      bottom: 0;
      left: 3px;
      right: 3px;
      height: 14px;
      background: #3b82f6;
      border-radius: 0 0 8px 8px;
    }
    @keyframes cloud-float-std {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-3px); }
    }
    .diag-multimode-std .mgmt-row {
      display: flex;
      justify-content: space-around;
      width: 100%;
    }
    .diag-multimode-std .mgmt-item {
      width: 60px;
      height: 28px;
      border-radius: 4px;
      background: #1e40af;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 9px;
      font-weight: 700;
      animation: mgmt-pulse-std 2s infinite ease-in-out;
    }
    .diag-multimode-std .mgmt-item:nth-child(1) { animation-delay: 0s; }
    .diag-multimode-std .mgmt-item:nth-child(2) { animation-delay: 0.4s; }
    .diag-multimode-std .mgmt-item:nth-child(3) { animation-delay: 0.8s; }
    @keyframes mgmt-pulse-std {
      0%, 100% { opacity: 0.7; transform: scale(0.95); }
      50% { opacity: 1; transform: scale(1.05); }
    }

    /* 6. Guest Authentication Diagram */
    .diag-guest-auth {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 24px;
      width: 80%;
    }
    .diag-guest-auth .qr-code {
      width: 56px;
      height: 56px;
      background: white;
      border: 2px solid #2563eb;
      border-radius: 4px;
      position: relative;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      grid-template-rows: repeat(3, 1fr);
      gap: 2px;
      padding: 4px;
      animation: qr-pulse 2s infinite ease-in-out;
    }
    .diag-guest-auth .qr-dot {
      background: #0f172a;
      border-radius: 1px;
    }
    .diag-guest-auth .qr-dot.empty {
      background: transparent;
    }
    @keyframes qr-pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.05); }
    }
    .diag-guest-auth .phone-icon {
      width: 36px;
      height: 56px;
      border: 3px solid #2563eb;
      border-radius: 6px;
      position: relative;
      background: white;
    }
    .diag-guest-auth .phone-screen {
      position: absolute;
      top: 8px;
      left: 4px;
      right: 4px;
      bottom: 12px;
      background: #eff6ff;
      border-radius: 2px;
      animation: screen-blink 2s infinite ease-in-out;
    }
    @keyframes screen-blink {
      0%, 100% { opacity: 0.7; }
      50% { opacity: 1; }
    }
    .diag-guest-auth .auth-flow {
      position: absolute;
      top: 50%;
      left: 30%;
      right: 30%;
      height: 2px;
      background: linear-gradient(90deg, transparent, #2563eb, transparent);
      animation: auth-flow 1.5s infinite linear;
    }
    @keyframes auth-flow {
      0% { background-position: -60px 0; }
      100% { background-position: 60px 0; }
    }

    /* Feature list */
    #module-rw-ap1611-features .feature-list {
      width: 100%;
      list-style: none;
      padding-left: 0;
    }
    #module-rw-ap1611-features .feature-list li {
      position: relative;
      padding-left: 20px;
      margin-bottom: 8px;
      color: #475569;
      text-align: left;
    }
    #module-rw-ap1611-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-rw-ap1611-features .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 576px) {
      #module-rw-ap1611-features .features-grid {
        grid-template-columns: 1fr;
      }
      #module-rw-ap1611-features .section-title {
        font-size: 22px;
      }
    }