.vnav { position: fixed; inset: 0 0 auto; z-index: 90; height: 56px; color: #f5f5f7; background: rgba(0,0,0,.82); border-bottom: 1px solid #1a1a1c; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); font-family: -apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif; }
.vnav * { box-sizing: border-box; }
.vnav a { color: inherit; text-decoration: none; }
.vnav-inner { width: min(1280px,100%); height: 56px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; }
.vnav-brand { justify-self: start; display: flex; align-items: center; gap: 8px; color: #fff; font-size: 20px; font-weight: 700; letter-spacing: .025em; }
.vnav-brand img { display: none; width: 28px; height: 28px; border-radius: 6px; }
.vnav-brand-dot { color: #0a84ff; }
.vnav-links { justify-self: center; height: 100%; display: flex; align-items: center; gap: 32px; color: #86868b; font-size: 14px; font-weight: 500; }
.vnav-links > a,.vnav-solutions-trigger { transition: color .2s ease; }
.vnav-links > a:hover,.vnav-links > a:focus-visible,.vnav-solutions-trigger:hover,.vnav-solutions-trigger:focus-visible { color: #fff; }
.vnav-solutions { position: relative; height: 100%; display: flex; align-items: center; }
.vnav-solutions-trigger { height: 100%; padding: 0; display: flex; align-items: center; gap: 6px; border: 0; color: inherit; background: transparent; font: inherit; cursor: pointer; }
.vnav-chevron { width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform .2s ease; }
.vnav-solutions.open .vnav-chevron,.vnav-solutions:focus-within .vnav-chevron { transform: rotate(225deg) translate(-1px,-1px); }
.vnav-mega { position: absolute; top: 48px; left: 50%; width: min(820px,calc(100vw - 32px)); padding: 12px; display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 8px; border: 1px solid rgba(255,255,255,.11); border-radius: 18px; background: rgba(20,20,22,.98); box-shadow: 0 24px 70px rgba(0,0,0,.5); opacity: 0; visibility: hidden; transform: translate(-50%,8px); transition: opacity .18s ease,transform .18s ease,visibility .18s; }
.vnav-solutions:hover .vnav-mega,.vnav-solutions:focus-within .vnav-mega,.vnav-solutions.open .vnav-mega { opacity: 1; visibility: visible; transform: translate(-50%,0); }
.vnav-group { padding: 12px; }
.vnav-group + .vnav-group { border-left: 1px solid rgba(255,255,255,.08); }
.vnav-group-title { display: block; margin: 0 8px 8px; color: #6e6e73; font-size: 11px; font-weight: 750; letter-spacing: .12em; }
.vnav-item { display: block; padding: 9px 10px; border-radius: 10px; }
.vnav-item:hover,.vnav-item:focus-visible { background: rgba(255,255,255,.07); }
.vnav-item strong { display: block; color: #f5f5f7; font-size: 14px; line-height: 1.35; }
.vnav-item small { display: block; margin-top: 3px; color: #8e8e93; font-size: 11px; line-height: 1.45; }
.vnav-contact { flex: 0 0 auto; padding: 6px 16px; border: 0; border-radius: 999px; color: #050505; background: #fff; font: inherit; font-size: 12px; font-weight: 700; cursor: pointer; }
.vnav-contact-desktop { justify-self: end; }
.vnav-contact-mobile { display: none; }
.vnav-menu-toggle { display: none; width: 34px; height: 34px; padding: 8px; border: 0; border-radius: 50%; color: #fff; background: rgba(255,255,255,.08); cursor: pointer; }
.vnav-menu-toggle span,.vnav-menu-toggle::before,.vnav-menu-toggle::after { content: ""; display: block; width: 18px; height: 1.5px; margin: 4px 0; background: currentColor; transition: transform .2s ease,opacity .2s ease; }
.vnav-menu-toggle.open span { opacity: 0; }
.vnav-menu-toggle.open::before { transform: translateY(5.5px) rotate(45deg); }
.vnav-menu-toggle.open::after { transform: translateY(-5.5px) rotate(-45deg); }
@media (max-width: 1120px) {
  .vnav-inner { grid-template-columns: auto 1fr auto; }
  .vnav-brand img { display: block; }
  .vnav-brand-word { display: none; }
  .vnav-menu-toggle { display: block; margin-left: auto; }
  .vnav-contact-desktop { display: none; }
  .vnav-links { position: fixed; top: 56px; left: 0; right: 0; width: 100%; height: auto; max-height: calc(100vh - 56px); padding: 12px 20px 22px; display: none; align-items: stretch; gap: 0; overflow-y: auto; background: rgba(10,10,11,.98); border-bottom: 1px solid #1a1a1c; }
  .vnav-links.open { display: flex; flex-direction: column; }
  .vnav-links > a,.vnav-solutions-trigger { width: 100%; min-height: 46px; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.07); }
  .vnav-solutions { height: auto; display: block; }
  .vnav-mega { position: static; width: 100%; padding: 4px 0 10px; display: none; grid-template-columns: 1fr; border: 0; border-radius: 0; background: transparent; box-shadow: none; opacity: 1; visibility: visible; transform: none; transition: none; }
  .vnav-solutions:hover .vnav-mega { display: none; }
  .vnav-solutions.open .vnav-mega,.vnav-solutions:focus-within.open .vnav-mega { display: grid; transform: none; }
  .vnav-group { padding: 8px 0; }
  .vnav-group + .vnav-group { border-left: 0; border-top: 1px solid rgba(255,255,255,.07); }
  .vnav-contact-mobile { display: block; margin-top: 14px; padding-block: 10px; }
}
@media (prefers-reduced-motion: reduce) { .vnav * { transition: none !important; } }