body {
  margin: 0;
  font-family: "Helvetica Neue", sans-serif;
}

a {
  text-decoration: none;
  color: #003366;
  font-weight: bold;
}

.sk-header {
  background: #fff;
  padding: 12px 24px;
  display: flex;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.sk-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 90%;
  height: 100px;
  box-sizing: border-box;
}

.sk-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.sk-logo p {
  font-size: 24px;
  font-weight: 800;
  color: #80bc00;
  margin: 0;
  white-space: nowrap;
  letter-spacing: 0.05em;
}

.sk-nav-group {
  display: flex;
  align-items: center;
  margin-left: auto;
  gap: 24px;
  height: 100%;
}

.sk-nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
  height: 100%;
  flex-wrap: nowrap;
}

.sk-nav-list li {
  width: 80px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 0 50px;
  box-sizing: border-box;
  flex-shrink: 1;
}

.sk-nav-list li a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  font-size: 13px;
  color: #32373c;
  line-height: 1.3;
  white-space: nowrap;
  width: 100%;
  box-sizing: border-box;
  height: auto;
  text-align: center;
}

.sk-nav-list li span {
  line-height: 1.3;
  font-size: 13px;
  color: #003366;
  margin-top: 0;
  white-space: nowrap;
}

.sk-nav-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  height: 40px;
  border-right: 1px dotted #aaa;
}

.sk-nav-list li img {
  height: 24px;
  width: auto;
  flex-shrink: 0;
  margin-bottom: 0;
}

.sk-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sk-buttons .btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 120px;
  height: 100px;
  border-radius: 12px;
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  font-size: 14px;
  text-align: center;
  box-sizing: border-box;
  padding: 12px;
}

.btn-primary {
  background-color: #ff8c00;
  color: #fff;
}

.btn-secondary {
  background-color: #80bc00;
  color: #fff;
}

.sk-buttons .btn img {
  height: 28px;
  width: auto;
  filter: brightness(0) invert(1);
}

.sk-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  margin-left: auto;
  cursor: pointer;
}

.sk-mobile-menu {
  position: fixed;
  inset: 0;
  background: #fff;
  padding: 40px;
  z-index: 1000;
  display: none;
  flex-direction: column;
  overflow-y: auto;
}

.sk-mobile-menu.open {
  display: flex;
}

.sk-mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.sk-mobile-header img {
  height: 28px;
  margin-right: 8px;
}

.sk-mobile-header span {
  font-size: 20px;
  font-weight: bold;
  color: #00a0e9;
  margin-left: auto;
  margin-right: 8px;
}

#skClose {
  font-size: 16px;
  background: none;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 8px;
  cursor: pointer;
}

.sk-mobile-nav {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
}

.sk-mobile-nav li {
  padding: 12px 0;
  border-bottom: 1px dotted #ccc;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 15px;
}

.sk-mobile-nav li a {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  color: #003366;
  font-size: 15px;
}

.sk-mobile-nav li img {
  width: 40px;
  height: 40px;
}

.sk-mobile-nav li::after {
  content: "→";
  color: #ccc;
  font-size: 14px;
}

.sk-mobile-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.sk-mobile-buttons .btn {
  border-radius: 8px;
  text-align: center;
  padding: 12px;
  font-size: 15px;
}

@media (max-width: 1400px) {
  .sk-logo p {
    font-size: 24px;
  }
}

@media (max-width: 1200px) {
  .sk-logo p {
    font-size: 22px;
  }
}

@media (max-width: 1100px) {
  .sk-header-inner {
    width: 100%;
    padding: 8px 16px;
  }

  .sk-nav-group {
    gap: 16px;
  }

  .sk-nav-list li {
    width: 70px;
    padding: 0 40px;
  }

  .sk-nav-list li a,
  .sk-nav-list li span {
    font-size: 11px;
  }

  .sk-buttons .btn {
    width: 110px;
    height: 90px;
    font-size: 13px;
    padding: 10px;
  }

  .sk-logo p {
    font-size: 20px;
  }
}

@media (max-width: 900px) {
  .sk-header-inner {
    padding: 8px 12px;
  }

  .sk-nav-group {
    gap: 12px;
  }

  .sk-nav-list li {
    width: 60px;
    padding: 0 33px;
  }

  .sk-nav-list li a,
  .sk-nav-list li span {
    font-size: 10px;
  }

  .sk-buttons .btn {
    width: 100px;
    height: 80px;
    font-size: 12px;
    padding: 8px;
  }

  .sk-logo p {
    font-size: 18px;
  }
}

@media (max-width: 768px) {
  .sk-nav,
  .sk-buttons {
    display: none;
  }

  .sk-hamburger {
    display: block;
  }

  .sk-header-inner {
    padding: 0;
  }

  .sk-logo p {
    font-size: 24px;
  }
}