html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

.ckh-header {
  width: 100%;
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid transparent;
}

.ckh-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
}

.ckh-left {
  display: flex;
  align-items: center;
  gap: 40px;
}

.ckh-logo {
  display: inline-block;
}

.ckh-logo-wrap {
  position: relative;
  width: 145.101px;
  height: 32px;
  overflow: hidden;
  line-height: 1;
}

.ckh-logo-part1 {
  position: absolute;
  left: 0;
  top: 0;
  width: 22.05%;
  height: 100%;
}

.ckh-logo-part2 {
  position: absolute;
  left: 27.62%;
  top: 26.56%;
  right: 0;
  bottom: 26.56%;
}

.ckh-logo img {
  display: block;
  width: 100%;
  height: 100%;
}

.ckh-nav-desktop {
  display: none;
  align-items: center;
  gap: 24px;
  height: 32px;
}

.ckh-nav-link {
  font-size: 16px;
  font-weight: 700;
  color: #1a3755;
  text-decoration: none;
  transition: color 0.2s ease;
}

.ckh-nav-link:hover {
  color: #0276f1;
}

.ckh-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ckh-cta {
  display: none;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 28px;
  border-radius: 999px;
  background: #0276f1;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease;
}

.ckh-cta:hover {
  background: #0262cc;
}

.ckh-toggle {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #1a3755;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  margin: -8px 0;
}

.ckh-toggle:hover {
  color: #0276f1;
}

.ckh-toggle::before,
.ckh-toggle::after,
.ckh-toggle-text::before {
  content: "";
  position: absolute;
  left: 10px;
  width: 20px;
  height: 3px;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform 0.3s ease,
    opacity 0.25s ease;
}

.ckh-toggle::before {
  top: 12px;
}

.ckh-toggle::after {
  bottom: 12px;
}

.ckh-toggle-text {
  display: block;
  width: 100%;
  height: 100%;
  color: transparent;
  user-select: none;
}

.ckh-toggle-text::before {
  top: 18.5px;
  background: #1a3755;
}

.ckh-toggle:hover .ckh-toggle-text::before {
  background: #0276f1;
}

.ckh-toggle.is-active::before {
  transform: translateY(6.5px) rotate(-135deg);
}

.ckh-toggle.is-active::after {
  transform: translateY(-6.5px) rotate(135deg);
}

.ckh-toggle.is-active .ckh-toggle-text::before {
  opacity: 0;
}

.ckh-mobile {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  border-top: 1px solid #e5e7eb;
  background: #fff;
  padding: 16px 32px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    transform 0.3s ease,
    opacity 0.25s ease,
    visibility 0.25s ease;
}

.ckh-mobile.is-active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.ckh-mobile-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ckh-mobile-link {
  font-size: 16px;
  font-weight: 700;
  color: #1a3755;
  text-decoration: none;
  padding: 8px 0;
  transition: color 0.2s ease;
}

.ckh-mobile-link:hover {
  color: #0276f1;
}

.ckh-mobile-cta {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  border-radius: 999px;
  padding: 0 28px;
  background: #0276f1;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.ckh-mobile-cta:hover {
  background: #0262cc;
}

@media (min-width: 640px) {
  .ckh-cta {
    display: inline-flex;
  }
}

@media (min-width: 1024px) {
  .ckh-nav-desktop {
    display: flex;
  }

  .ckh-toggle {
    display: none;
  }

  .ckh-mobile {
    display: none;
  }
}

@media (max-width: 768px) {
  .ckh-inner,
  .ckh-mobile {
    padding-left: 20px;
    padding-right: 20px;
  }
}