/* ============================================================
       DESIGN TOKENS
    ============================================================ */
    :root {
      --trax-blue:    #0a1628;
      --navy:         #0d1f3c;
      --cyan:         #00d4ff;
      --cyan-soft:    #00b8d9;
      --cyan-glow:    rgba(0,212,255,0.18);
      --white:        #ffffff;
      --gray-100:     #f4f7fb;
      --gray-200:     #e8edf5;
      --gray-400:     #8a9bba;
      --gray-600:     #4a5568;
      --gradient-bg:  linear-gradient(135deg, #0a1628 0%, #0d2a4a 50%, #0a1628 100%);
      --gradient-btn: linear-gradient(90deg, #00d4ff 0%, #0088cc 100%);
      --shadow-card:  0 8px 40px rgba(0,0,0,0.18);
      --shadow-hover: 0 20px 60px rgba(0,212,255,0.15);
      --radius:       12px;
      --nav-height:   76px;
    }

    
/* ============================================================
       RESET & BASE
    ============================================================ */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      font-family: 'Montserrat', 'Open Sans', sans-serif;
      background: #fff;
      color: var(--gray-600);
      overflow-x: hidden;
    }
    img { display: block; max-width: 100%; }
    a  { text-decoration: none; color: inherit; }
    ul { list-style: none; }

    
/* ============================================================
       SCROLL ANIMATIONS
    ============================================================ */
    .reveal {
      opacity: 0;
      transform: translateY(32px);
      transition: opacity 0.72s cubic-bezier(.4,0,.2,1), transform 0.72s cubic-bezier(.4,0,.2,1);
    }
    .reveal.from-left  { transform: translateX(-48px); }
    .reveal.from-right { transform: translateX(48px); }
    .reveal.visible    { opacity: 1; transform: translate(0,0); }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }

    
/* ============================================================
       TYPOGRAPHY HELPERS
    ============================================================ */
    .section-label {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 4px;
      text-transform: uppercase;
      color: var(--cyan);
      margin-bottom: 18px;
    }
    .section-title {
      font-size: clamp(32px, 4vw, 52px);
      font-weight: 900;
      line-height: 1.12;
      color: var(--trax-blue);
      margin-bottom: 24px;
      letter-spacing: -0.5px;
    }
    .section-title.light { color: #fff; }
    .section-desc {
      font-size: 16px;
      line-height: 1.85;
      color: var(--gray-400);
      max-width: 580px;
    }
    .section-desc.dark { color: var(--gray-600); }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 15px 36px;
      background: var(--gradient-btn);
      color: #fff;
      font-weight: 700;
      font-size: 14px;
      letter-spacing: 1.2px;
      border-radius: 40px;
      border: none;
      cursor: pointer;
      transition: box-shadow 0.3s, transform 0.3s;
    }
    .btn-primary:hover {
      box-shadow: 0 8px 30px rgba(0,212,255,0.45);
      transform: translateY(-2px);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 13px 30px;
      border: 2px solid var(--cyan);
      color: var(--cyan);
      font-weight: 700;
      font-size: 14px;
      letter-spacing: 1px;
      border-radius: 40px;
      cursor: pointer;
      background: transparent;
      transition: background 0.3s, color 0.3s, transform 0.3s;
    }
    .btn-outline:hover {
      background: var(--cyan);
      color: var(--trax-blue);
      transform: translateY(-2px);
    }

    
/* ============================================================
       LAYOUT HELPERS
    ============================================================ */
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 40px;
    }
    .section-pad { padding: 140px 0; }
    .section-pad-sm { padding: 100px 0; }

    
/* ============================================================
       CANVAS PARTICLE BACKGROUND
    ============================================================ */
    #particle-canvas {
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      pointer-events: none;
      z-index: 0;
      opacity: 0;
      transition: opacity 0.5s;
    }
    #particle-canvas.active { opacity: 1; }

    
/* ============================================================
       NAVIGATION
    ============================================================ */
    #navbar {
      position: fixed;
      top: 0; left: 0; right: 0;
      height: var(--nav-height);
      z-index: 1000;
      transition: background 0.4s, box-shadow 0.4s, backdrop-filter 0.4s;
      background: transparent;
    }
    #navbar.scrolled {
      background: rgba(10,22,40,0.92);
      backdrop-filter: blur(16px);
      box-shadow: 0 2px 24px rgba(0,0,0,0.3);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
      padding: 0 0;
    }
    .container .nav-inner {
      height: var(--nav-height);
    }
    .nav-logo {
      display: flex;
      align-items: center;
      height: 100%;
    }
    .nav-logo img {
      height: 48px;
      width: auto;
      display: block;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 36px;
    }
    .nav-menu a {
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.5px;
      color: rgba(255,255,255,0.82);
      transition: color 0.25s;
      position: relative;
    }
    .nav-menu a::after {
      content: '';
      position: absolute;
      bottom: -4px; left: 0; right: 0;
      height: 2px;
      background: var(--cyan);
      transform: scaleX(0);
      transition: transform 0.25s;
    }
    .nav-menu a:hover { color: var(--cyan); }
    .nav-menu a:hover::after { transform: scaleX(1); }
    .nav-cta {
      padding: 10px 24px !important;
      background: var(--gradient-btn);
      border-radius: 40px;
      color: #fff !important;
    }
    .nav-cta:hover { box-shadow: 0 4px 20px rgba(0,212,255,0.4); }
    .nav-cta::after { display: none !important; }

    /* ── NAV DROPDOWN ── */
    .nav-has-dropdown { position: relative; }
    .nav-dropdown-trigger { display: flex; align-items: center; gap: 4px; cursor: pointer; }
    .nav-arrow {
      font-size: 10px;
      opacity: 0.7;
      transition: transform 0.25s;
      display: inline-block;
    }
    .nav-has-dropdown:hover .nav-arrow { transform: rotate(180deg); }

    .nav-dropdown {
      position: absolute;
      top: calc(100% + 18px);
      left: 50%;
      transform: translateX(-50%);
      min-width: 480px;
      background: #ffffff;
      border-radius: 12px;
      box-shadow: 0 12px 48px rgba(0,0,0,0.18), 0 2px 8px rgba(0,0,0,0.08);
      padding: 28px 32px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.2s, transform 0.2s;
      transform: translateX(-50%) translateY(8px);
      z-index: 999;
    }
    .nav-has-dropdown:hover .nav-dropdown {
      opacity: 1;
      pointer-events: auto;
      transform: translateX(-50%) translateY(0);
    }
    /* 防止鼠标从触发项移到下拉时闪烁 */
    .nav-has-dropdown::after {
      content: '';
      position: absolute;
      top: 100%;
      left: 0; right: 0;
      height: 20px;
    }
    .nav-dropdown-inner {
      display: flex;
      gap: 32px;
    }
    .nav-dropdown-col {
      display: flex;
      flex-direction: column;
      gap: 8px;
      min-width: 120px;
    }
    .nav-dropdown-heading {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 1.2px;
      text-transform: uppercase;
      color: #0099cc;
      margin-bottom: 4px;
      padding-bottom: 6px;
      border-bottom: 1px solid rgba(0,153,204,0.18);
    }
    .nav-dropdown a {
      font-size: 13px;
      font-weight: 500;
      color: #222 !important;
      padding: 5px 0;
      transition: color 0.18s, padding-left 0.18s;
      white-space: nowrap;
    }
    .nav-dropdown a::after { display: none !important; }
    .nav-dropdown a:hover {
      color: #0099cc !important;
      padding-left: 6px;
    }
    .nav-hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 4px;
    }
    .nav-hamburger span {
      display: block;
      width: 24px; height: 2px;
      background: #fff;
      border-radius: 2px;
      transition: 0.3s;
    }

    
/* ============================================================
       HERO SECTION
    ============================================================ */
    #hero {
      position: relative;
      height: 100vh;
      min-height: 680px;
      overflow: hidden;
      background: var(--trax-blue);
    }
    .hero-slides {
      position: absolute;
      inset: 0;
    }
    .hero-slide {
      position: absolute;
      inset: 0;
      opacity: 0;
      transition: opacity 1.2s ease;
    }
    .hero-slide.active { opacity: 1; }
    .hero-slide-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      transform: scale(1.05);
      transition: transform 8s linear;
    }
    .hero-slide.active .hero-slide-bg { transform: scale(1); }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: rgba(0,20,40,0.25);
    }
    .hero-gradient-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(
        to right,
        rgba(0,20,40,0.18) 0%,
        transparent 55%,
        transparent 100%
      );
    }
    .hero-content {
      position: relative;
      z-index: 10;
      height: 100%;
      display: flex;
      align-items: center;
      padding-left: 140px;
    }
    .hero-text {
      max-width: 780px;
    }
    .hero-tag {
      display: inline-block;
      padding: 7px 24px;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 5px;
      text-transform: uppercase;
      color: rgba(0,212,255,0.95);
      background: rgba(0,212,255,0.06);
      border: 1px solid rgba(0,212,255,0.25);
      border-radius: 50px;
      margin-bottom: 36px;
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.6s 0.2s, transform 0.6s 0.2s;
    }
    .hero-slide.active .hero-tag { opacity: 1; transform: translateY(0); }
    .hero-title {
      font-size: clamp(40px, 5.5vw, 68px);
      font-weight: 900;
      line-height: 1.15;
      color: #ffffff;
      margin-bottom: 32px;
      letter-spacing: -1.2px;
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s 0.35s, transform 0.7s 0.35s;
      text-wrap: balance;
    }
    .hero-slide.active .hero-title { opacity: 1; transform: translateY(0); }
    .hero-title .accent,
    .hero-title-accent { color: var(--cyan); display: block; }
    .hero-subtitle {
      font-size: 19px;
      font-weight: 400;
      color: rgba(255,255,255,0.68);
      line-height: 1.7;
      margin-bottom: 48px;
      max-width: 540px;
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s 0.5s, transform 0.7s 0.5s;
    }
    .hero-slide.active .hero-subtitle { opacity: 1; transform: translateY(0); }
    .hero-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.6s 0.65s, transform 0.6s 0.65s;
    }
    .hero-slide.active .hero-buttons { opacity: 1; transform: translateY(0); }

    /* 主按钮：青蓝渐变圆角，统一尺寸 */
    .hero-buttons .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-width: 180px;
      padding: 15px 36px;
      background: linear-gradient(90deg, #00c8f0 0%, #0088cc 100%);
      color: #fff;
      font-weight: 700;
      font-size: 14px;
      letter-spacing: 1px;
      border-radius: 50px;
      border: none;
      cursor: pointer;
      transition: box-shadow 0.3s, transform 0.3s;
      text-decoration: none;
    }
    .hero-buttons .btn-primary:hover {
      box-shadow: 0 8px 30px rgba(0,212,255,0.45);
      transform: translateY(-2px);
    }

    /* 次按钮：青蓝描边透明底，统一尺寸 */
    .hero-buttons .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-width: 180px;
      padding: 14px 36px;
      border: 2px solid rgba(0,212,255,0.55);
      color: var(--cyan);
      background: transparent;
      font-weight: 700;
      font-size: 14px;
      letter-spacing: 1px;
      border-radius: 50px;
      cursor: pointer;
      transition: background 0.3s, border-color 0.3s;
      text-decoration: none;
    }
    .hero-buttons .btn-outline:hover {
      background: rgba(0,212,255,0.08);
      border-color: var(--cyan);
    }
    .hero-dots {
      position: absolute;
      bottom: 36px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 20;
      display: flex;
      gap: 12px;
    }
    .hero-dot {
      width: 8px; height: 8px;
      border-radius: 50%;
      background: rgba(255,255,255,0.35);
      cursor: pointer;
      transition: background 0.3s, transform 0.3s;
      border: none;
    }
    .hero-dot.active {
      background: var(--cyan);
      transform: scale(1.4);
    }

    /* Hero progress bar */
    .hero-progress {
      position: absolute;
      bottom: 0; left: 0;
      height: 3px;
      background: var(--cyan);
      z-index: 20;
      width: 0;
      transition: width linear;
    }

    /* Hero scroll indicator */
    .hero-scroll {
      position: absolute;
      bottom: 40px;
      right: 48px;
      z-index: 20;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      color: rgba(255,255,255,0.5);
      font-size: 10px;
      letter-spacing: 2px;
      text-transform: uppercase;
    }
    .scroll-line {
      width: 1px;
      height: 50px;
      background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(0,212,255,0.6));
      animation: scrollPulse 1.8s ease-in-out infinite;
    }
    @keyframes scrollPulse {
      0%,100% { transform: scaleY(1); opacity: 0.5; }
      50% { transform: scaleY(0.6); opacity: 1; }
    }

    
/* ============================================================
       SECTION DIVIDER
    ============================================================ */
    .divider-cyan {
      width: 56px; height: 3px;
      background: var(--gradient-btn);
      border-radius: 3px;
      margin-bottom: 28px;
    }

    
/* ============================================================
       SOLUTIONS SECTION
    ============================================================ */
    #solutions {
      background: var(--gray-100);
      position: relative;
      overflow: hidden;
    }
    #solutions::before {
      content: '';
      position: absolute;
      top: -120px; right: -120px;
      width: 500px; height: 500px;
      background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
      pointer-events: none;
    }
    .solutions-header {
      text-align: center;
      margin-bottom: 80px;
    }
    .solutions-header .section-title { color: var(--trax-blue); }

    /* Solution tabs */
    .sol-tabs {
      display: flex;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 72px;
    }
    .sol-tab {
      padding: 12px 30px;
      border: 2px solid var(--gray-200);
      background: #fff;
      border-radius: 40px;
      font-size: 13px;
      font-weight: 700;
      color: var(--gray-600);
      cursor: pointer;
      transition: all 0.3s;
      letter-spacing: 0.5px;
    }
    .sol-tab:hover {
      border-color: var(--cyan);
      color: var(--cyan);
    }
    .sol-tab.active {
      background: var(--trax-blue);
      border-color: var(--trax-blue);
      color: var(--cyan);
    }

    /* Solution panels — same era style as cs-row */
    .sol-panel { display: none; }
    .sol-panel.active {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 0;
      align-items: stretch;
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--gray-200);
      transition: box-shadow 0.3s, border-color 0.3s;
    }
    .sol-panel.active:hover {
      box-shadow: 0 24px 56px rgba(0,0,0,0.10);
      border-color: rgba(0,136,204,0.25);
    }
    .sol-panel.reverse { direction: rtl; }
    .sol-panel.reverse > * { direction: ltr; }

    .sol-image-wrap {
      width: 100%;
      overflow: hidden;
      min-height: 380px;
      position: relative;
    }
    .sol-image-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.5s;
    }
    .sol-panel.active:hover .sol-image-wrap img { transform: scale(1.04); }
    .sol-image-accent {
      position: absolute;
      inset: 0;
      border-radius: 0;
      border: none;
      background: linear-gradient(135deg, rgba(0,212,255,0.18), transparent);
      pointer-events: none;
    }

    .sol-content {
      padding: 48px 56px;
      display: flex;
      flex-direction: column;
    }
    .sol-features {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 28px;
    }
    .sol-feature {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 14px 16px;
      background: #fff;
      border-radius: 8px;
      border-left: 3px solid var(--cyan);
      transition: box-shadow 0.3s, transform 0.3s;
    }
    .sol-feature:hover {
      box-shadow: 0 6px 24px rgba(0,212,255,0.12);
      transform: translateY(-2px);
    }
    .sol-feature-icon {
      width: 20px; height: 20px;
      flex-shrink: 0;
      color: var(--cyan);
      margin-top: 1px;
    }
    .sol-feature span {
      font-size: 13px;
      font-weight: 600;
      color: var(--trax-blue);
      line-height: 1.4;
    }

    /* ── Solution Groups (sub-items layout) ── */
    .sol-group {
      padding: 0;
    }
    .sol-group-title {
      font-size: 15px;
      font-weight: 700;
      color: #1a1a2e;
      margin-bottom: 10px;
      line-height: 1.4;
      padding-bottom: 8px;
      border-bottom: 1px solid rgba(0,195,226,0.25);
    }
    .sol-sub-items {
      list-style: none;
      padding-left: 16px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .sol-sub-item {
      font-size: 13px;
      color: #555555;
      line-height: 1.6;
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }
    .sol-sub-item::before {
      content: "\25B8";
      color: var(--cyan);
      flex-shrink: 0;
      font-size: 12px;
      line-height: 1.6;
    }
    /* Products dark bg override */
    .products-dark .sol-group-title {
      color: #ffffff;
      border-bottom-color: rgba(0,195,226,0.2);
    }
    .products-dark .sol-sub-item {
      color: rgba(255,255,255,0.85);
    }
    .products-dark .sol-sub-item::before {
      color: var(--cyan);
    }

    .sol-groups {
      display: flex;
      flex-direction: column;
      gap: 18px;
      margin-top: 22px;
    }
/* ============================================================
       PRODUCTS SECTION
    ============================================================ */
    .products-dark {
      background: var(--trax-blue);
      position: relative;
      overflow: hidden;
    }
    .products-dark::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background:
        radial-gradient(ellipse at 20% 50%, rgba(0,212,255,0.07) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(0,136,204,0.06) 0%, transparent 50%);
      pointer-events: none;
    }
    .products-header {
      text-align: center;
      margin-bottom: 56px;
    }

    /* ── Product Category Tabs ── */
    .prod-tabs {
      display: flex;
      justify-content: center;
      gap: 0;
      margin-bottom: 72px;
      border: 1px solid rgba(0,212,255,0.2);
      border-radius: 8px;
      overflow: hidden;
      width: fit-content;
      margin-left: auto;
      margin-right: auto;
      /* Sticky: 吸附在导航栏下方，随时可切换分类 */
      position: sticky;
      top: calc(var(--nav-height) + 16px);
      z-index: 100;
      background: rgba(10, 22, 40, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      box-shadow: 0 4px 24px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,212,255,0.15);
    }
    .prod-tab {
      padding: 14px 40px;
      background: transparent;
      border: none;
      border-right: 1px solid rgba(0,212,255,0.15);
      color: rgba(255,255,255,0.55);
      font-family: 'Montserrat', sans-serif;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      cursor: pointer;
      transition: background 0.3s, color 0.3s;
    }
    .prod-tab:last-child { border-right: none; }
    .prod-tab:hover { background: rgba(0,212,255,0.08); color: #fff; }
    .prod-tab.active {
      background: linear-gradient(90deg, rgba(0,212,255,0.18), rgba(0,136,204,0.12));
      color: var(--cyan);
    }

    /* ── Back to Category Nav ── */
    .back-to-nav-wrap {
      display: flex;
      justify-content: center;
      padding-top: 56px;
      padding-bottom: 16px;
    }
    .back-to-nav-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 12px 32px;
      background: rgba(0,212,255,0.08);
      border: 1px solid rgba(0,212,255,0.25);
      border-radius: 40px;
      color: rgba(0,212,255,0.85);
      font-size: 14px;
      letter-spacing: 0.5px;
      cursor: pointer;
      transition: all 0.3s ease;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }
    .back-to-nav-btn:hover {
      background: rgba(0,212,255,0.15);
      border-color: rgba(0,212,255,0.5);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 4px 20px rgba(0,212,255,0.15);
    }

    /* ── Product Panel (shared container) ── */
    .prod-panel { /* shown/hidden via JS display */ }

    /* ── Image + Text Row Layout ── */
    .prod-row {
      display: flex;
      align-items: center;
      gap: 80px;
      margin-bottom: 112px;
      position: relative;
    }
    .prod-row:last-child { margin-bottom: 0; }
    .prod-row-reverse { flex-direction: row-reverse; }

    .prod-row-img {
      flex: 0 0 50%;
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .prod-row-img img {
      width: 100%;
      height: 400px;
      object-fit: cover;
      display: block;
      transition: transform 0.7s cubic-bezier(.4,0,.2,1);
    }
    .prod-row-img:hover img { transform: scale(1.05); }
    .prod-img-accent {
      position: absolute;
      inset: 0;
      background: linear-gradient(
        135deg,
        rgba(0,212,255,0.06) 0%,
        transparent 60%
      );
      pointer-events: none;
    }

    .prod-row-content { flex: 1; }

    .prod-cat-label {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--cyan);
      margin-bottom: 14px;
    }
    .prod-row-title {
      font-size: clamp(26px, 3vw, 38px);
      font-weight: 800;
      color: #fff;
      line-height: 1.18;
      margin-bottom: 24px;
    }
    .prod-row-title span {
      display: block;
      font-size: clamp(16px, 2vw, 22px);
      font-weight: 600;
      color: rgba(255,255,255,0.65);
      margin-top: 8px;
    }
    .prod-row-desc {
      font-size: 15px;
      color: #ffffff;
      line-height: 1.85;
      margin-bottom: 32px;
    }

    /* Feature grid (2 col) */
    .prod-features-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px 24px;
    }
    .prod-models-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
      gap: 14px;
      margin-top: 24px;
    }
    .prod-model-card {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(0,212,255,0.15);
      border-radius: 10px;
      overflow: hidden;
      transition: border-color .3s, transform .3s;
    }
    .prod-model-card:hover {
      border-color: rgba(0,212,255,0.6);
      transform: translateY(-4px);
    }
    .prod-model-img {
      width: 100%;
      height: 90px;
      overflow: hidden;
      background: rgba(0,0,0,0.25);
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .prod-model-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .prod-model-name {
      padding: 8px 6px;
      text-align: center;
      font-size: 11px;
      font-weight: 700;
      color: var(--cyan);
      letter-spacing: 0.5px;
    }

    /* ── Spec Box (text-only model cards) ── */
    .prod-models-specs {
      grid-template-columns: repeat(3, 1fr) !important;
      gap: 12px !important;
      margin-top: 24px;
    }
    .prod-spec-box {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(0,212,255,0.18);
      border-radius: 12px;
      padding: 18px 16px;
      text-align: center;
      transition: border-color .3s, transform .3s, background .3s;
    }
    .prod-spec-box:hover {
      border-color: rgba(0,212,255,0.55);
      transform: translateY(-3px);
      background: rgba(0,212,255,0.06);
    }
    .prod-spec-model {
      font-family: 'Montserrat', sans-serif;
      font-size: 14px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 6px;
      letter-spacing: 0.3px;
    }
    .prod-spec-desc {
      font-size: 12px;
      font-weight: 400;
      color: rgba(255,255,255,0.55);
      line-height: 1.4;
    }
    .prod-feature-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 14px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(0,212,255,0.1);
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      color: rgba(255,255,255,0.8);
      transition: border-color 0.3s, background 0.3s;
    }
    .prod-feature-item:hover {
      border-color: rgba(0,212,255,0.4);
      background: rgba(0,212,255,0.07);
    }
    .prod-feat-icon {
      width: 18px; height: 18px;
      flex-shrink: 0;
      color: var(--cyan);
    }

    /* Feature list (for software) */
    .prod-feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .prod-feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      color: #ffffff;
      line-height: 1.6;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .prod-feature-list li::before {
      content: '▸';
      color: var(--cyan);
      flex-shrink: 0;
      margin-top: 2px;
      font-size: 12px;
    }

    /* ── Managed Services Grid ── */
    .managed-grid-new {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
    }
    .managed-card-new {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius);
      padding: 44px 40px;
      position: relative;
      overflow: hidden;
      transition: all 0.35s cubic-bezier(.4,0,.2,1);
    }
    .managed-card-new::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--cyan), rgba(0,136,204,0.3));
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.4s;
    }
    .managed-card-new:hover {
      border-color: rgba(0,212,255,0.2);
      box-shadow: 0 12px 40px rgba(0,212,255,0.06);
      transform: translateY(-4px);
    }
    .managed-card-new:hover::before { transform: scaleX(1); }
    .managed-num-new {
      font-size: 52px;
      font-weight: 900;
      color: rgba(0,212,255,0.1);
      line-height: 1;
      margin-bottom: 18px;
      font-family: 'Montserrat', sans-serif;
    }
    .managed-title-new {
      font-size: 16px;
      font-weight: 700;
      color: var(--cyan);
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .managed-desc-new {
      font-size: 13px;
      color: rgba(255,255,255,0.45);
      line-height: 1.8;
      margin-bottom: 22px;
    }
    .managed-bullets-new {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .managed-bullets-new li {
      font-size: 12px;
      color: rgba(255,255,255,0.5);
      padding: 4px 0 4px 16px;
      position: relative;
      border-left: 2px solid rgba(0,212,255,0.2);
      padding-left: 12px;
      transition: border-color 0.3s, color 0.3s;
    }
    .managed-card-new:hover .managed-bullets-new li {
      border-color: rgba(0,212,255,0.4);
      color: rgba(255,255,255,0.7);
    }

    
/* ============================================================
       CASE STUDIES
    ============================================================ */
    #cases {
      background: #fff;
      position: relative;
      overflow: hidden;
    }
    #cases::before {
      content: '';
      position: absolute;
      bottom: -200px; left: -200px;
      width: 600px; height: 600px;
      background: radial-gradient(circle, rgba(0,212,255,0.04) 0%, transparent 70%);
      pointer-events: none;
    }
    .cases-header {
      text-align: center;
      margin-bottom: 80px;
    }
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 36px;
    }
    .case-card {
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--gray-100);
      transition: transform 0.35s, box-shadow 0.35s;
      position: relative;
    }
    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 16px 48px rgba(0,0,0,0.1);
    }
    .case-card-img-wrap {
      position: relative;
      overflow: hidden;
      height: 220px;
    }
    .case-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s;
    }
    .case-card:hover .case-card-img-wrap img { transform: scale(1.06); }
    .case-card-badge {
      position: absolute;
      top: 16px; left: 16px;
      padding: 5px 14px;
      background: rgba(10,22,40,0.85);
      border: 1px solid var(--cyan);
      border-radius: 40px;
      font-size: 11px;
      font-weight: 700;
      color: var(--cyan);
      letter-spacing: 1px;
      backdrop-filter: blur(8px);
    }
    .case-card-body { padding: 32px 30px; }
    .case-card-title {
      font-size: 18px;
      font-weight: 800;
      color: var(--trax-blue);
      margin-bottom: 10px;
    }
    .case-card-scale {
      font-size: 12px;
      color: var(--cyan-soft);
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }
    .case-card-desc {
      font-size: 13px;
      color: var(--gray-600);
      line-height: 1.75;
      margin-bottom: 20px;
    }
    .case-stats {
      display: flex;
      gap: 24px;
      padding-top: 18px;
      border-top: 1px solid var(--gray-200);
    }
    .case-stat-val {
      font-size: 24px;
      font-weight: 900;
      color: var(--trax-blue);
      line-height: 1;
    }
    .case-stat-label {
      font-size: 11px;
      color: var(--gray-400);
      margin-top: 4px;
    }

    /* Case Studies — large feature card */
    .case-feature {
      grid-column: 1 / -1;
      display: flex;
      gap: 0;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      background: var(--trax-blue);
      transition: transform 0.35s, box-shadow 0.35s;
    }
    .case-feature:hover {
      transform: translateY(-6px);
      box-shadow: 0 24px 64px rgba(0,212,255,0.18);
    }
    .case-feature-img {
      flex: 0 0 50%;
      overflow: hidden;
    }
    .case-feature-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s;
      min-height: 380px;
    }
    .case-feature:hover .case-feature-img img { transform: scale(1.04); }
    .case-feature-body {
      flex: 1;
      padding: 48px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .case-feature-body .case-card-title { color: #fff; font-size: 24px; margin-bottom: 12px; }
    .case-feature-body .case-card-scale { font-size: 13px; }
    .case-feature-body .case-card-desc { color: rgba(255,255,255,0.65); font-size: 14px; }
    .case-feature-body .case-stat-val { color: var(--cyan); }
    .case-feature-body .case-stat-label { color: rgba(255,255,255,0.4); }

    
/* ============================================================
       LUMINA AI SECTION
    ============================================================ */
    #lumina-ai {
      background: var(--gradient-bg);
      position: relative;
      overflow: hidden;
    }
    #lumina-ai::before {
      content: '';
      position: absolute;
      top: -200px; right: -100px;
      width: 700px; height: 700px;
      background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 65%);
      pointer-events: none;
    }
    .ai-header {
      text-align: center;
      margin-bottom: 88px;
    }
    .ai-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 36px;
    }
    .ai-card {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(0,212,255,0.1);
      border-radius: var(--radius);
      padding: 40px 36px;
      transition: all 0.35s;
      position: relative;
      overflow: hidden;
    }
    .ai-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: var(--gradient-btn);
      transform: scaleX(0);
      transition: transform 0.35s;
    }
    .ai-card:hover {
      border-color: rgba(0,212,255,0.25);
      box-shadow: 0 12px 40px rgba(0,212,255,0.08);
      transform: translateY(-4px);
    }
    .ai-card:hover::before { transform: scaleX(1); }
    .ai-card-num {
      font-size: 48px;
      font-weight: 900;
      color: rgba(0,212,255,0.1);
      line-height: 1;
      margin-bottom: 18px;
    }
    .ai-card-title {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 14px;
    }
    .ai-card-desc {
      font-size: 13px;
      color: rgba(255,255,255,0.5);
      line-height: 1.75;
      margin-bottom: 20px;
    }
    .ai-bullets {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .ai-bullet {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 12px;
      color: rgba(255,255,255,0.6);
    }
    .ai-bullet::before {
      content: '';
      width: 6px; height: 6px;
      border-radius: 50%;
      background: var(--cyan);
      flex-shrink: 0;
    }

    /* AI highlight stat */
    .ai-stats-row {
     }

    
/* ============================================================
       COMPANY SECTION
============================================================ */
    #company {
      background: var(--gray-100);
      position: relative;
      overflow: hidden;
    }
    .company-hero-banner {
      background: var(--trax-blue);
      padding: 88px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
      margin-bottom: 0;
    }
    .company-hero-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: url('img/0057.jpg') center/cover no-repeat;
      opacity: 0.15;
    }
    .company-hero-banner .container { position: relative; z-index: 2; }
    .company-body {
      background: var(--gray-100);
      padding: 88px 0;
    }
    .company-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 72px;
      align-items: center;
    }
    .company-text p {
      font-size: 16px;
      line-height: 1.8;
      color: var(--gray-600);
      margin-bottom: 20px;
    }
    .company-offices {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 32px;
    }
    .office-badge-top-center {
      grid-column: 1 / -1;
      justify-self: center;
      max-width: 400px;
    }
    .office-badge {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 16px 20px;
      background: #fff;
      border-radius: 10px;
      box-shadow: 0 2px 12px rgba(0,0,0,0.06);
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .office-badge:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 24px rgba(0,212,255,0.12);
    }
    .office-flag { font-size: 19px; line-height: 1; display: flex; align-items: center; justify-content: center; }
    .office-flag-img { width: 36px; height: 22.5px; border-radius: 3px; object-fit: cover; }
    .office-flag svg { width: 36px; height: 22.5px; border-radius: 3px; }
    .office-flag-text {
      font-family: 'Montserrat', sans-serif;
      font-weight: 500;
      font-size: 19px;
      letter-spacing: 1px;
    }
    .office-info-name {
      font-size: 10px;
      font-weight: 700;
      color: var(--trax-blue);
    }
    .office-info-role {
      font-size: 11px;
      color: var(--gray-400);
      margin-top: 2px;
    }
    .company-image-side {
      position: relative;
    }
    .company-image-side img {
      width: 100%;
      height: 480px;
      object-fit: cover;
      border-radius: var(--radius);
      box-shadow: var(--shadow-card);
    }
    .company-stat-overlay {
      position: absolute;
      bottom: -24px;
      left: -24px;
      background: var(--trax-blue);
      border-radius: var(--radius);
      padding: 24px 32px;
      box-shadow: 0 12px 40px rgba(0,0,0,0.25);
      display: flex;
      gap: 32px;
    }
    .co-stat-val {
      font-size: 32px;
      font-weight: 900;
      color: var(--cyan);
      line-height: 1;
      margin-bottom: 4px;
    }
    .co-stat-label {
      font-size: 12px;
      color: rgba(255,255,255,0.5);
    }

    
/* ============================================================
       CONTACT CTA BAND
    ============================================================ */
    #contact-cta {
      background: var(--trax-blue);
      padding: 88px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    #contact-cta::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(0,212,255,0.06) 0%, transparent 60%);
      pointer-events: none;
    }
    .cta-title {
      font-size: clamp(28px, 3.5vw, 46px);
      font-weight: 900;
      color: #fff;
      margin-bottom: 16px;
    }
    .cta-title span { color: var(--cyan); }
    .cta-sub {
      font-size: 17px;
      color: rgba(255,255,255,0.6);
      margin-bottom: 40px;
      max-width: 520px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.7;
    }
    .cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
    .cta-flex {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      margin-top: 32px;
    }
    .cta-text { text-align: left; }
    .cta-text .cta-title { text-align: left; }
    .cta-text .cta-buttons { justify-content: flex-start; }
    .cta-form-wrap { max-width: 480px; justify-self: end; width: 100%; }
    .cta-form {
      display: flex;
      flex-direction: column;
      gap: 12px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(0,212,255,0.15);
      border-radius: 12px;
      padding: 28px;
    }
    .form-row { display: flex; gap: 12px; }
    .form-row input { flex: 1; }
    .cta-form input,
    .cta-form textarea {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 8px;
      padding: 10px 14px;
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: border-color .3s;
      font-family: inherit;
    }
    .cta-form input:focus,
    .cta-form textarea:focus { border-color: var(--cyan); }
    .cta-form input::placeholder,
    .cta-form textarea::placeholder { color: rgba(255,255,255,0.35); }
    .cta-form textarea { resize: vertical; min-height: 60px; }

    
/* ============================================================
       FOOTER
    ============================================================ */
    #footer {
      background: #060e1a;
      padding: 100px 0 48px;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 56px;
      padding-bottom: 56px;
      border-bottom: 1px solid rgba(255,255,255,0.06);
      margin-bottom: 40px;
    }
    .footer-brand img { height: 46px; width: auto; margin-bottom: 20px; }
    .footer-brand p {
      font-size: 13px;
      color: rgba(255,255,255,0.45);
      line-height: 1.75;
      margin-bottom: 24px;
      max-width: 300px;
    }
    .footer-social { display: flex; gap: 12px; }
    .social-btn {
      width: 38px; height: 38px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(255,255,255,0.5);
      font-size: 15px;
      transition: all 0.3s;
      text-decoration: none;
    }
    .social-btn:hover {
      border-color: var(--cyan);
      color: var(--cyan);
      transform: translateY(-2px);
    }
    .footer-col-title {
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--cyan);
      margin-bottom: 20px;
    }
    .footer-links { display: flex; flex-direction: column; gap: 12px; }
    .footer-links a {
      font-size: 13px;
      color: rgba(255,255,255,0.45);
      transition: color 0.25s;
    }
    .footer-links a:hover { color: var(--cyan); }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .footer-copy {
      font-size: 12px;
      color: rgba(255,255,255,0.3);
    }
    .footer-note {
      font-size: 11px;
      color: rgba(255,255,255,0.2);
    }

    
/* ============================================================
       COUNTER ANIMATION
    ============================================================ */
    .count-up { display: inline-block; }

    
/* ============================================================
       RESPONSIVE
    ============================================================ */
    @media (max-width: 1024px) {
      .sol-panel.active { grid-template-columns: 1fr; }
      .sol-panel.reverse { direction: ltr; }
      .sol-image-wrap { min-height: 260px; aspect-ratio: 16/9; }
      .sol-content { padding: 28px 24px; }
      .case-grid { grid-template-columns: 1fr 1fr; }
      .ai-grid { grid-template-columns: 1fr 1fr; }
      .company-grid { grid-template-columns: 1fr; }
      .company-stat-overlay { position: relative; bottom: auto; left: auto; margin-top: 24px; }
      .footer-top { grid-template-columns: 1fr 1fr; }
      /* Products */
      .prod-row { flex-direction: column !important; gap: 40px; margin-bottom: 64px; }
      .prod-row-img { flex: none; width: 100%; }
      .prod-row-img img { height: 320px; }
      .managed-grid-new { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .nav-menu { display: none; }
      .nav-hamburger { display: flex; }
      .case-grid { grid-template-columns: 1fr; }
      .case-feature { flex-direction: column; }
      .case-feature-img img { min-height: 240px; }
      .ai-grid { grid-template-columns: 1fr; }
      .sol-features { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; text-align: center; }
      .hero-scroll { display: none; }
      .hero-content { padding-left: 24px; padding-right: 24px; }
      .hero-title { font-size: clamp(28px, 7vw, 42px); }
      .hero-subtitle { font-size: 15px; max-width: 100%; margin-bottom: 32px; }
      .hero-buttons { gap: 12px; }
      .hero-buttons .btn-primary,
      .hero-buttons .btn-outline { min-width: 150px; padding: 13px 28px; font-size: 13px; }
      .hero-tag { letter-spacing: 2px; padding: 5px 14px; margin-bottom: 20px; }
      /* Products */
      .prod-tabs { flex-direction: column; width: 100%; border-radius: 8px; }
      .prod-tab { border-right: none; border-bottom: 1px solid rgba(0,212,255,0.15); }
      .prod-tab:last-child { border-bottom: none; }
      .prod-models-specs { grid-template-columns: repeat(2, 1fr) !important; }
      .prod-features-grid { grid-template-columns: 1fr; }
      .managed-grid-new { grid-template-columns: 1fr; }
      /* Cases audio card - mobile */
      .cases-hero-img-wrap img { max-height: 240px; }
      .cases-audio-card { width: 100%; }
    }
    @media (max-width: 480px) {
      .container { padding: 0 20px; }
      .section-pad { padding: 64px 0; }
      .company-offices { grid-template-columns: 1fr; }
      .office-badge-top-center { grid-column: auto; max-width: none; }
      .prod-row-img img { height: 240px; }
      .cases-hero-img-wrap img { max-height: 180px; }
      .cases-audio-card { padding: 14px 16px; }
      .cases-audio-btn { width: 40px; height: 40px; }
      .cases-audio-btn svg { width: 16px; height: 16px; }
      .cases-audio-title { font-size: 11px; }
    }

    
/* ============================================================
       MOBILE NAV DRAWER
    ============================================================ */
    #mobile-nav {
      position: fixed;
      inset: 0;
      background: rgba(10,22,40,0.97);
      z-index: 999;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 32px;
      transform: translateX(100%);
      transition: transform 0.4s cubic-bezier(.4,0,.2,1);
    }
    #mobile-nav.open { transform: translateX(0); }
    #mobile-nav a {
      font-size: 20px;
      font-weight: 700;
      color: rgba(255,255,255,0.85);
      letter-spacing: 1px;
      transition: color 0.25s;
    }
    #mobile-nav a:hover { color: var(--cyan); }
    .mobile-close {
      position: absolute;
      top: 24px; right: 24px;
      width: 40px; height: 40px;
      border: none;
      background: none;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      gap: 6px;
      align-items: center;
      justify-content: center;
    }
    .mobile-close::before, .mobile-close::after {
      content: '';
      display: block;
      width: 24px; height: 2px;
      background: #fff;
      border-radius: 2px;
    }
    .mobile-close::before { transform: rotate(45deg) translate(4px, 4px); }
    .mobile-close::after  { transform: rotate(-45deg) translate(4px, -4px); }

    /* line decoration */
    .cyan-line {
      display: inline-block;
      width: 40px; height: 2px;
      background: var(--gradient-btn);
      vertical-align: middle;
      margin: 0 12px;
    }

    
/* ============================================================
       FULL-MANAGED SERVICES — 上图下文三列网格
    ============================================================ */
    .managed-img-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 36px 28px;
    }
    .managed-img-card {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius);
      overflow: hidden;
      transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    }
    .managed-img-card:hover {
      transform: translateY(-6px);
      border-color: rgba(0,212,255,0.3);
      box-shadow: 0 20px 48px rgba(0,212,255,0.1);
    }
    .managed-img-wrap {
      width: 100%;
      aspect-ratio: 16/9;
      overflow: hidden;
    }
    .managed-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s;
    }
    .managed-img-card:hover .managed-img-wrap img {
      transform: scale(1.05);
    }
    .managed-img-body {
      padding: 28px 28px 32px;
    }
    .managed-img-num {
      font-size: 40px;
      font-weight: 900;
      color: rgba(0,212,255,0.12);
      line-height: 1;
      margin-bottom: 10px;
    }
    .managed-img-title {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
      letter-spacing: 0.2px;
    }
    .managed-img-desc {
      font-size: 13px;
      color: #fff;
      line-height: 1.75;
      margin-bottom: 18px;
    }
    .managed-img-bullets {
      list-style: none;
      padding: 0; margin: 0;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .managed-img-bullets li {
      font-size: 12px;
      color: #fff;
      padding: 7px 12px;
      border: 1px solid rgba(255,255,255,0.07);
      border-radius: 6px;
      transition: border-color 0.25s, color 0.25s;
    }
    .managed-img-card:hover .managed-img-bullets li {
      border-color: rgba(0,212,255,0.4);
      color: rgba(255,255,255,0.75);
    }

    
/* ============================================================
       CASE STUDIES — 3列等宽网格（浅色背景）
    ============================================================ */
    .cases-light {
      background: var(--gray-100);
    }
    .dark-title {
      color: var(--navy) !important;
    }
    .cases-desc {
      color: var(--gray-600) !important;
      margin: 0 auto;
    }

    /* ── Cases Hero Media (image + audio card) ── */
    .cases-hero-media {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 16px;
      margin-bottom: 56px;
      max-width: 960px;
      margin-left: auto;
      margin-right: auto;
    }
    .cases-hero-img-wrap {
      width: 100%;
      border-radius: 16px;
      overflow: hidden;
      background: #f0f0f0;
    }
    .cases-hero-img-wrap img {
      width: 100%;
      height: auto;
      max-height: 480px;
      object-fit: cover;
      display: block;
    }
    .cases-audio-card {
      width: 100%;
      display: flex;
      align-items: center;
      gap: 16px;
      background: #fff;
      border:1px solid rgba(0,0,0,0.08);
      border-radius: 16px;
      padding: 18px 24px;
      box-shadow: 0 4px 24px rgba(0,0,0,0.06);
      min-width: 0;
    }
    .cases-audio-btn {
      flex-shrink: 0;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #3a3a3a;
      border: 2px solid rgba(0,212,255,0.5);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: #ffffff;
      transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
      box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    }
    .cases-audio-btn:hover {
      transform: scale(1.08);
      background: #4a4a4a;
      box-shadow: 0 4px 16px rgba(0,212,255,0.3);
    }
    .cases-audio-btn svg { width: 20px; height: 20px; }
    .cases-audio-info { flex: 1; min-width: 0; }
    .cases-audio-title {
      font-family: 'Montserrat', sans-serif;
      font-size: 13px;
      font-weight: 700;
      color: var(--dark-text);
      margin-bottom: 10px;
      letter-spacing: 0.3px;
    }
    .cases-audio-progress-wrap {
      width: 100%;
      height: 6px;
      background: rgba(0,0,0,0.12);
      border-radius: 100px;
      overflow: hidden;
      cursor: pointer;
      box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
    }
    .cases-audio-progress-bar {
      height: 100%;
      width: 0%;
      background: linear-gradient(90deg, #00d4ff 0%, #00b8e6 100%);
      border-radius: 100px;
      transition: width 0.15s linear;
      box-shadow: 0 0 8px rgba(0,212,255,0.4);
    }
    .cases-audio-time {
      display: flex;
      justify-content: space-between;
      font-size: 11px;
      color: rgba(0,0,0,0.4);
      margin-top: 6px;
      font-family: 'Montserrat', sans-serif;
      font-weight: 600;
    }
    .cases-grid-3col {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      margin-top: 56px;
    }
    .case-item {
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--gray-200);
      transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
      display: flex;
      flex-direction: column;
    }
    .case-item:hover {
      transform: translateY(-6px);
      box-shadow: 0 24px 56px rgba(0,0,0,0.12);
      border-color: rgba(0,136,204,0.25);
    }
    .case-item-img {
      position: relative;
      width: 100%;
      aspect-ratio: 16/9;
      overflow: hidden;
    }
    .case-item-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s;
      display: block;
    }
    .case-item:hover .case-item-img img {
      transform: scale(1.04);
    }
    .case-item-badge {
      position: absolute;
      top: 14px; left: 14px;
      background: rgba(0,20,50,0.82);
      color: var(--cyan);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.8px;
      text-transform: uppercase;
      padding: 5px 12px;
      border-radius: 20px;
      border: 1px solid rgba(0,212,255,0.35);
      backdrop-filter: blur(6px);
    }
    .case-item-body {
      padding: 28px 28px 32px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .case-item-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--navy);
      margin-bottom: 6px;
      letter-spacing: -0.3px;
    }
    .case-item-scale {
      font-size: 12px;
      font-weight: 700;
      color: var(--cyan-soft);
      letter-spacing: 0.3px;
      margin-bottom: 14px;
      text-transform: uppercase;
    }
    .case-item-desc {
      font-size: 13.5px;
      line-height: 1.75;
      color: var(--gray-600);
      margin-bottom: 20px;
      flex: 1;
    }
    .case-item-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: auto;
      padding-top: 18px;
      border-top: 1px solid var(--gray-200);
    }
    .case-stat-pill {
      display: flex;
      flex-direction: column;
      gap: 3px;
    }
    .csp-val {
      font-size: 22px;
      font-weight: 900;
      color: var(--navy);
      line-height: 1;
    }
    .csp-label {
      font-size: 10.5px;
      color: var(--gray-400);
      font-weight: 600;
      letter-spacing: 0.2px;
      line-height: 1.3;
    }
    .cases-header {
      text-align: center;
    }

    /* Case Studies — 图文交替大排版 */
    .cs-list {
      margin-top: 56px;
      display: flex;
      flex-direction: column;
      gap: 40px;
    }
    .cs-row {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 0;
      align-items: stretch;
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--gray-200);
      transition: box-shadow 0.3s, border-color 0.3s;
    }
    .cs-row:hover {
      box-shadow: 0 24px 56px rgba(0,0,0,0.10);
      border-color: rgba(0,136,204,0.25);
    }
    .cs-row-reverse {
      direction: rtl;
    }
    .cs-row-reverse > * {
      direction: ltr;
    }
    .cs-row-img {
      width: 100%;
      overflow: hidden;
      min-height: 380
        px;
    }
    .cs-row-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.5s;
    }
    .cs-row:hover .cs-row-img img {
      transform: scale(1.04);
    }
    .cs-row-body {
      padding: 48px 56px;
      display: flex;
      flex-direction: column;
    }
    .cs-row-num {
      font-size: 56px;
      font-weight: 900;
      color: rgba(0,136,204,0.08);
      line-height: 1;
      margin-bottom: 10px;
    }
    .cs-row-title {
      font-size: 23px;
      font-weight: 800;
      color: var(--navy);
      margin-bottom: 10px;
      letter-spacing: -0.3px;
    }
    .cs-row-scale {
      font-size: 12px;
      font-weight: 700;
      color: var(--cyan-soft);
      letter-spacing: 0.4px;
      text-transform: uppercase;
      margin-bottom: 18px;
    }
    .cs-row-highlights {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 28px;
    }
    .cs-highlight-pill {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      color: var(--cyan);
      background: rgba(0,136,204,0.07);
      border: 1px solid rgba(0,136,204,0.18);
      padding: 5px 14px;
      border-radius: 20px;
      letter-spacing: 0.3px;
    }
    .cs-row-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .cs-row-list li {
      font-size: 13.5px;
      line-height: 1.75;
      color: var(--gray-600);
      padding-left: 18px;
      position: relative;
    }
    .cs-row-list li::before {
      content: '\25B8';
      position: absolute;
      left: 0;
      color: var(--cyan);
      font-size: 13px;
      top: 2px;
    }
    .cs-row-list li strong {
      color: var(--navy);
      font-weight: 700;
    }

    
/* ============================================================
       LUMINA AI — 图文左右交替排版
    ============================================================ */
    .ai-section-dark {
      background: var(--gradient-bg);
    }
    .ai-desc {
      margin: 0 auto;
      max-width: 640px;
    }
    .ai-highlight {
      color: var(--cyan);
      font-weight: 700;
      text-decoration: underline;
      text-decoration-color: rgba(0,195,226,0.35);
      text-underline-offset: 3px;
      text-decoration-thickness: 2px;
    }
    .ai-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
      align-items: center;
      margin-bottom: 2px;
      background: rgba(255,255,255,0.025);
      border: 1px solid rgba(255,255,255,0.06);
      border-radius: var(--radius);
      overflow: hidden;
      transition: box-shadow 0.3s, border-color 0.3s;
    }
    .ai-row:hover {
      box-shadow: 0 16px 48px rgba(0,212,255,0.08);
      border-color: rgba(0,212,255,0.2);
    }
    .ai-row + .ai-row {
      margin-top: 20px;
    }
    .ai-row-reverse {
      direction: rtl;
    }
    .ai-row-reverse > * {
      direction: ltr;
    }
    .ai-row-img {
      width: 100%;
      aspect-ratio: 16/10;
      overflow: hidden;
    }
    .ai-row-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s;
      display: block;
    }
    .ai-row:hover .ai-row-img img {
      transform: scale(1.04);
    }
    .ai-row-body {
      padding: 40px 48px;
    }
    .ai-row-num {
      font-size: 52px;
      font-weight: 900;
      color: rgba(0,212,255,0.1);
      line-height: 1;
      margin-bottom: 12px;
    }
    .ai-row-title {
      font-size: 22px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
      letter-spacing: -0.2px;
    }
    .ai-row-desc {
      font-size: 13.5px;
      color: #fff;
      line-height: 1.8;
      margin-bottom: 22px;
    }
    .ai-row-bullets {
      list-style: none;
      padding: 0; margin: 0;
      display: flex;
      flex-direction: column;
      gap: 9px;
    }
    .ai-row-bullets li {
      font-size: 12.5px;
      color: rgba(255,255,255,0.55);
      padding: 8px 14px;
      border: 1px solid rgba(0,212,255,0.12);
      border-radius: 6px;
      transition: border-color 0.25s, color 0.25s;
    }
    .ai-row:hover .ai-row-bullets li {
      border-color: rgba(0,212,255,0.4);
      color: rgba(255,255,255,0.78);
    }

    
/* ============================================================
       RESPONSIVE — new components
    ============================================================ */
    @media (max-width: 1024px) {
      .managed-img-grid { grid-template-columns: repeat(2, 1fr); }
      .cases-grid-3col  { grid-template-columns: repeat(2, 1fr); }
      .ai-row           { grid-template-columns: 1fr; }
      .ai-row-reverse   { direction: ltr; }
      .ai-row-img       { aspect-ratio: 16/7; }
      .cs-row           { grid-template-columns: 1fr; }
      .cs-row-reverse   { direction: ltr; }
      .cs-row-img       { min-height: 260px; aspect-ratio: 16/9; }
    }
    @media (max-width: 768px) {
      .managed-img-grid { grid-template-columns: 1fr; }
      .cases-grid-3col  { grid-template-columns: 1fr; }
      .ai-row-body      { padding: 28px 24px; }
      .cs-row-body      { padding: 28px 24px; }
      .cs-row-num       { font-size: 40px; }
      .cs-row-title     { font-size: 19px; }
    }

/* ============================================================
   ANNOUNCEMENT BAR – NRA Show 2026
============================================================ */
#announce-bar {
  width: 100%;
  background: linear-gradient(90deg, #003a50 0%, #005a78 50%, #003a50 100%);
  border-bottom: 1px solid rgba(0,212,255,0.3);
  z-index: 10000;
  position: relative;
}
.announce-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 48px 10px 20px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}
.announce-icon {
  font-size: 18px;
  flex-shrink: 0;
}
.announce-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 13.5px;
  color: rgba(255,255,255,0.92);
  line-height: 1.5;
  text-align: center;
}
.announce-text strong {
  color: #00d4ff;
  font-weight: 700;
}
.announce-link {
  flex-shrink: 0;
  font-family: 'Montserrat', sans-serif;
  font-size: 12.5px;
  font-weight: 700;
  color: #00d4ff;
  background: rgba(0,212,255,0.12);
  border: 1px solid rgba(0,212,255,0.4);
  border-radius: 20px;
  padding: 4px 14px;
  white-space: nowrap;
  transition: background 0.2s, box-shadow 0.2s;
}
.announce-link:hover {
  background: rgba(0,212,255,0.22);
  box-shadow: 0 2px 12px rgba(0,212,255,0.25);
}
.announce-close {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  cursor: pointer;
  padding: 4px 6px;
  line-height: 1;
  transition: color 0.2s;
}
.announce-close:hover { color: #fff; }

/* ============================================================
   NRA SHOW EVENT CARD – Our Story section
============================================================ */
.nra-event-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: 16px;
  overflow: hidden;
  margin: 48px auto 64px;
  max-width: 1100px;
  box-shadow: 0 16px 60px rgba(0,0,0,0.13);
  border: 1px solid rgba(0,212,255,0.15);
}
.nra-event-left {
  background: linear-gradient(135deg, #0a1628 0%, #0d2a4a 100%);
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.nra-badge {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #00d4ff;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  border-radius: 20px;
  padding: 4px 14px;
  width: fit-content;
}
.nra-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin: 0;
}
.nra-body {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  color: rgba(255,255,255,0.72);
  line-height: 1.7;
  margin: 0;
}
.nra-body strong { color: #fff; }
.nra-cta-btn {
  display: inline-block;
  margin-top: 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: #0a1628;
  background: linear-gradient(90deg, #00d4ff 0%, #0088cc 100%);
  border-radius: 24px;
  padding: 10px 24px;
  width: fit-content;
  transition: box-shadow 0.2s, opacity 0.2s;
}
.nra-cta-btn:hover {
  box-shadow: 0 6px 24px rgba(0,212,255,0.4);
  opacity: 0.92;
}
.nra-event-right {
  background: #f8fafd;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  color: #1a2a3a;
}
.nra-detail-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #00b8d9;
}
.nra-detail-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nra-detail-list li {
  display: grid;
  grid-template-columns: 28px 90px 1fr;
  align-items: start;
  gap: 4px 8px;
  color: #1a2a3a;
}
.nra-detail-icon {
  font-size: 16px;
  line-height: 1.4;
}
/* Hero 轮播深色底 - 白色文字 */
.nra-slide .nra-detail-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.5;
  width: 55px;
  flex-shrink: 0;
  text-align: right;
  padding-right: 12px;
}
.nra-slide .nra-detail-val {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.5;
  text-align: left;
}
.nra-slide .nra-detail-item {
  display: flex;
  justify-content: flex-start;
  margin: 0 auto;
  width: fit-content;
}

/* Our Story 卡片白色底 - 深色文字 */
.nra-event-card .nra-detail-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: #6b7a8d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.5;
  padding-top: 2px;
}
.nra-event-card .nra-detail-val {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #0a1628;
  line-height: 1.5;
}
.nra-footer-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--trax-blue);
  border-top: 1px solid var(--gray-200);
  padding-top: 16px;
  margin-top: auto;
}

/* Responsive – NRA card stacks on mobile */
@media (max-width: 768px) {
  .nra-event-card { grid-template-columns: 1fr; }
  .nra-event-left { padding: 36px 28px; }
  .nra-event-right { padding: 32px 28px; }
  .nra-detail-list li { grid-template-columns: 24px 80px 1fr; }
  #announce-bar .announce-text { font-size: 12px; }
}
@media (max-width: 480px) {
  .nra-detail-list li { grid-template-columns: 24px 1fr; grid-template-rows: auto auto; }
  .nra-detail-label { grid-column: 2; }
  .nra-detail-val { grid-column: 2; }
}

/* ============================================================
   NRA HERO SLIDE – 展会幻灯片专属样式
============================================================ */
/* NRA 幻灯片内容居中 */
.nra-slide .hero-content {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
  text-align: center;
}
.nra-slide .hero-text {
  max-width: 780px;
  margin: 0 auto;
}
.nra-slide .hero-tag {
  margin-left: auto;
  margin-right: auto;
}
.nra-slide .hero-buttons {
  justify-content: center;
}
.nra-slide .nra-details {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  justify-content: center;
  width: fit-content;
  margin: 0 auto 44px auto;
}
.nra-slide .nra-detail-item {
  display: contents;
}
.nra-slide .hero-subtitle {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 768px) {
  .nra-slide .hero-content {
    padding-left: 24px;
    padding-right: 24px;
  }
}

/* 展位详情行 */
.nra-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 40px;
  max-width: 560px;
}
.nra-detail-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.nra-detail-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(0,212,255,0.7);
  flex-shrink: 0;
  min-width: 60px;
}
.nra-detail-val {
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  line-height: 1.5;
}

/* NRA tag 特殊配色 */
.nra-tag {
  color: #ffd166 !important;
  background: rgba(255,209,102,0.08) !important;
  border-color: rgba(255,209,102,0.3) !important;
}

/* 移动端 */
@media (max-width: 768px) {
  .nra-details { gap: 8px; margin-bottom: 28px; }
  .nra-detail-val { font-size: 13px; }
}