body {
  --site-float-nav-bg: rgba(255, 255, 255, 0.96);
  --site-float-nav-border: rgba(15, 23, 42, 0.08);
  --site-float-nav-text: #1f2937;
  --site-float-nav-muted: #6b7280;
  --site-float-nav-accent: #f97316;
  --site-float-nav-accent-soft: rgba(249, 115, 22, 0.12);
  --site-float-nav-shadow: 0 18px 40px rgba(15, 23, 42, 0.14);
}

.site-float-nav__submenu::-webkit-scrollbar {
  width: 8px;
}

.site-float-nav__submenu::-webkit-scrollbar-thumb {
  background: rgba(107, 114, 128, 0.32);
  border-radius: 999px;
}

.site-float-nav__submenu::-webkit-scrollbar-track {
  background: transparent;
}

.site-float-nav {
  display: block;
  position: fixed;
  left: 18px;
  top: 50%;
  z-index: 1400;
  transform: translateY(-50%);
  width: 52px;
  padding: 8px;
  background: var(--site-float-nav-bg);
  border: 1px solid var(--site-float-nav-border);
  border-radius: 24px;
  box-shadow: var(--site-float-nav-shadow);
  backdrop-filter: blur(14px);
  box-sizing: border-box;
  transition: width 0.2s ease, padding 0.2s ease, box-shadow 0.2s ease;
}

.site-float-nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  min-height: 106px;
  padding: 12px 0;
  border: 0;
  border-radius: 18px;
  background: #ffffff;
  color: var(--site-float-nav-text);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
  writing-mode: vertical-rl;
  letter-spacing: 0;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.06);
}

.site-float-nav__toggle:hover {
  color: var(--site-float-nav-accent);
  background: #fff7f2;
}

.site-float-nav.is-open {
  width: 160px;
  padding: 14px 12px 12px;
}

.site-float-nav.is-open .site-float-nav__toggle {
  display: none;
}

.site-float-nav__body {
  display: none;
}

.site-float-nav.is-open .site-float-nav__body {
  display: block;
}

.site-float-nav__title {
  margin: 0 0 10px;
  padding: 0 6px;
  color: var(--site-float-nav-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.site-float-nav__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-float-nav__item {
  position: relative;
}

.site-float-nav__item + .site-float-nav__item {
  margin-top: 6px;
}

.site-float-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 14px;
  color: var(--site-float-nav-text);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.site-float-nav__caret {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.7;
}

.site-float-nav__link:hover {
  color: var(--site-float-nav-accent);
  background: var(--site-float-nav-accent-soft);
  transform: translateX(2px);
}

.site-float-nav__item.is-active > .site-float-nav__link {
  color: #ffffff;
  background: linear-gradient(135deg, #fb923c 0%, #f97316 100%);
  box-shadow: 0 10px 20px rgba(249, 115, 22, 0.24);
}

.site-float-nav__submenu {
  position: absolute;
  left: calc(100% + 14px);
  top: 0;
  min-width: 240px;
  max-width: min(360px, calc(100vw - 220px));
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 14px;
  border: 1px solid var(--site-float-nav-border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16);
  backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.site-float-nav__submenu::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -18px;
  width: 18px;
}

.site-float-nav__item--has-children:hover > .site-float-nav__submenu,
.site-float-nav__item--has-children.is-open > .site-float-nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
}

.site-float-nav__submenu--cases {
  min-width: 480px;
  max-width: min(560px, calc(100vw - 220px));
}

.site-float-nav__submenu-group--cases {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 10px;
}

.site-float-nav__submenu-group--cases + .site-float-nav__submenu-group--cases {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.site-float-nav__submenu-group--cases .site-float-nav__sublink {
  min-width: 0;
}

.site-float-nav__submenu-group + .site-float-nav__submenu-group,
.site-float-nav__subgroup + .site-float-nav__subgroup {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.site-float-nav__submenu--tiers {
  min-width: 980px;
  max-width: min(1180px, calc(100vw - 220px));
  max-height: none;
  overflow-y: visible;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-content: start;
}

.site-float-nav__submenu--tiers .site-float-nav__subgroup {
  margin: 0;
  padding: 0;
  border-top: 0;
}

.site-float-nav__subgroup-title {
  display: inline-flex;
  align-items: center;
  margin: 0 0 8px;
  color: var(--site-float-nav-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.site-float-nav__subgroup-title:hover {
  color: var(--site-float-nav-accent);
}

.site-float-nav__subgroup-title.is-active {
  color: var(--site-float-nav-accent);
}

.site-float-nav__third-list {
  display: grid;
  gap: 6px;
}

.site-float-nav__third-link {
  display: block;
  padding: 8px 12px;
  border-radius: 12px;
  color: var(--site-float-nav-text);
  font-size: 13px;
  line-height: 1.45;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.site-float-nav__third-link:hover {
  color: var(--site-float-nav-accent);
  background: var(--site-float-nav-accent-soft);
  transform: translateX(2px);
}

.site-float-nav__third-link.is-active,
.site-float-nav__sublink.is-active {
  color: #ffffff;
  background: linear-gradient(135deg, #fb923c 0%, #f97316 100%);
  box-shadow: 0 10px 20px rgba(249, 115, 22, 0.22);
}

.site-float-nav__submenu-title {
  margin: 0 0 8px;
  color: var(--site-float-nav-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.site-float-nav__sublink {
  display: block;
  padding: 9px 12px;
  border-radius: 12px;
  color: var(--site-float-nav-text);
  font-size: 13px;
  line-height: 1.45;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.site-float-nav__sublink:hover {
  color: var(--site-float-nav-accent);
  background: var(--site-float-nav-accent-soft);
  transform: translateX(2px);
}

@media (max-width: 1024px) {
  .site-float-nav {
    left: 12px;
    width: calc(100vw - 24px);
    max-width: 320px;
    top: auto;
    bottom: 16px;
    transform: none;
    border-radius: 22px;
    padding: 10px;
  }

  .site-float-nav.is-open {
    width: calc(100vw - 24px);
    max-width: 320px;
    padding: 10px;
  }

  .site-float-nav__toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 46px;
    padding: 0 14px;
    border: 0;
    border-radius: 16px;
    background: #ffffff;
    color: var(--site-float-nav-text);
    font-size: 14px;
    font-weight: 700;
    writing-mode: horizontal-tb;
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.06);
  }

  .site-float-nav.is-open .site-float-nav__toggle {
    display: flex;
  }

  .site-float-nav__toggle::after {
    content: '';
    width: 9px;
    height: 9px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
  }

  .site-float-nav.is-open .site-float-nav__toggle::after {
    transform: rotate(-135deg);
  }

  .site-float-nav__body {
    display: none;
    padding-top: 10px;
  }

  .site-float-nav.is-open .site-float-nav__body {
    display: block;
  }

  .site-float-nav__title {
    margin-bottom: 8px;
  }

  .site-float-nav__submenu {
    position: static;
    min-width: 0;
    max-width: none;
    max-height: none;
    overflow-y: visible;
    margin-top: 8px;
    padding: 10px;
    border-radius: 16px;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    display: none;
    pointer-events: auto;
  }

  .site-float-nav__submenu--tiers {
    min-width: 0;
    max-width: none;
    max-height: none;
    overflow-y: visible;
    display: none;
  }

  .site-float-nav__submenu--cases {
    min-width: 0;
    max-width: none;
  }

  .site-float-nav__submenu-group--cases {
    display: block;
  }

  .site-float-nav__item--has-children.is-open > .site-float-nav__submenu {
    display: block;
  }

  .site-float-nav__item--has-children:not(.is-open):hover > .site-float-nav__submenu {
    display: none;
  }
}