.site-logo-3d {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.75),
    inset 0 -10px 20px rgba(0, 0, 0, 0.06);
  color: #7b7c7f;
  font-weight: 800;
  letter-spacing: 0.6px;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.75),
    0 10px 22px rgba(0, 0, 0, 0.08);
  transform: translateZ(0);
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
  position: relative;
  overflow: hidden;
}

.site-logo-3d::before {
  content: "";
  position: absolute;
  inset: -40% -30%;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.95), rgba(255,255,255,0) 55%);
  opacity: 0.55;
  transform: rotate(-8deg);
  pointer-events: none;
}

.site-logo-3d::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(255,255,255,0.6), rgba(0,0,0,0));
  opacity: 0.25;
  pointer-events: none;
}

.site-logo-3d > span,
.site-logo-3d {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.site-logo-3d {
  background-clip: padding-box;
}

.site-logo-3d {
  color: #7b7c7f;
  background-image:
    linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(220,235,255,0.92) 30%, rgba(42,78,140,0.95) 70%, rgba(10,18,28,0.95) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-stroke: 0.6px rgba(0,0,0,0.18);
  text-shadow:
    0 1px 0 rgba(255,255,255,0.85),
    0 2px 0 rgba(255,255,255,0.55),
    0 10px 22px rgba(0,0,0,0.18),
    0 18px 40px rgba(0,0,0,0.10);
}

.site-logo-3d:hover {
  transform: translateY(-1px);
  box-shadow:
    0 22px 52px rgba(0, 0, 0, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.78),
    inset 0 -10px 20px rgba(0, 0, 0, 0.07);
  filter: saturate(1.05);
}

body.night .site-logo-3d {
  background: rgba(26, 32, 44, 0.55);
  border-color: rgba(255, 255, 255, 0.12);
  color: #f9fafc;
  background-image:
    linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(210,235,255,0.92) 45%, rgba(120,200,255,0.92) 75%, rgba(255,255,255,0.92) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-stroke: 0.6px rgba(255,255,255,0.12);
  text-shadow:
    0 1px 0 rgba(0, 0, 0, 0.72),
    0 12px 26px rgba(0, 0, 0, 0.45);
  box-shadow:
    0 18px 44px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -12px 24px rgba(0, 0, 0, 0.22);
}

@media (min-width: 992px) {
  body:not(.nir-box-model) .main-nav > .container > .row {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
  }
  body:not(.nir-box-model) .main-nav > .container > .row:before,
  body:not(.nir-box-model) .main-nav > .container > .row:after {
    display: none !important;
    content: none !important;
  }
  body:not(.nir-box-model) .main-nav > .container > .row > [class*="col-"] {
    float: none;
  }
  body:not(.nir-box-model) .main-nav .menu-wrap.col-md-7_5.col-xl-7_5 {
    flex: 1 1 auto;
    width: auto !important;
    min-width: 0;
    overflow: hidden;
  }

  body:not(.nir-box-model) .main-nav .logo,
  body:not(.nir-box-model) .main-nav .login,
  body:not(.nir-box-model) .main-nav .col-md-0_5,
  body:not(.nir-box-model) .main-nav .col-xl-0_5 {
    flex: 0 0 auto;
  }

  body:not(.nir-box-model) .main-nav .login {
    margin-left: auto;
  }

  body:not(.nir-box-model) .main-nav .menu-wrap > .row {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    min-width: 0;
  }

  body:not(.nir-box-model) .main-nav .menu-wrap .menuLeft {
    flex: 1 1 auto;
    min-width: 0;
    float: none;
  }

  body:not(.nir-box-model) .main-nav .topNav[pandaTab] {
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  body:not(.nir-box-model) .main-nav .topNav[pandaTab]::-webkit-scrollbar {
    width: 0;
    height: 0;
  }

  body:not(.nir-box-model) .main-nav .topNav[pandaTab] > .menu {
    display: flex;
    flex-wrap: nowrap;
    white-space: nowrap;
    max-width: 100%;
  }

  body:not(.nir-box-model) .main-nav .topNav[pandaTab] > .menu > li {
    flex: 0 0 auto;
  }

  body:not(.nir-box-model) .main-nav .topNav[pandaTab] > .menu > li > a .leaftheme-menu-icon {
    margin-right: 6px;
  }
}