body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #faf6f2;
}
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  z-index: 10; padding: 12px 30px 12px 18px;
  background: rgba(255,255,255,0.93);
  border-bottom-right-radius: 14px;
  box-shadow: 0 2px 10px rgba(40,60,86,0.04);
}
.logo-container {
  display: flex; align-items: center; cursor: pointer;
}
.logo {
  width: 40px; height: 40px; object-fit: contain; margin-right: 14px;
}
.brand-title {
  font-size: 1.25rem; font-weight: 600; color: #283c56;
  letter-spacing: 0.5px; text-decoration: none; user-select: none;
}
.nav-links {
  display: flex; gap: 24px; font-weight: 500;
}
.nav-links a {
  color: #283c56; text-decoration: none; font-size: 0.95rem; position: relative;
  padding: 4px 0; transition: color 0.3s;
}
.nav-links a::after {
  content: ''; position: absolute; width: 0%; height: 2px; bottom: 0; left: 0;
  background-color: #283c56; transition: width 0.3s;
}
.nav-links a:hover { color: #1a2a45; }
.nav-links a:hover::after { width: 100%; }
.page-content {
  max-width: 750px; margin: 120px auto 0 auto; /* space for header */
  padding: 36px; background: #fff; border-radius: 14px; box-shadow: 0 8px 48px 0 rgba(40,60,86,0.08);
}
@media (max-width: 720px) {
  .nav-links { gap: 12px; font-size: 0.93rem; }
  .header { flex-direction: column; align-items: flex-start; padding: 8px 10px 8px 12px; }
  .logo { width: 34px; height: 34px; margin-right: 8px; }
  .page-content { padding: 15px; }
}