.invitation-btn {
  display: inline-block;
  background: linear-gradient(90deg, #6366f1 0%, #2563eb 100%);
  color: #fff;
  font-weight: 600;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  text-decoration: none;
  margin-top: 0.8rem;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.13);
  transition: background 0.2s, color 0.2s;
}
.invitation-btn:hover {
  background: linear-gradient(90deg, #2563eb 0%, #6366f1 100%);
  color: #ffe4e6;
}
.event {
  background: linear-gradient(120deg, #e0e7ff 0%, #f8fafc 100%);
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.13);
  padding: 1.5rem 1rem;
  margin-bottom: 1.5rem;
  margin-top: 1.2rem;
  border: 2px solid #6366f1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.event h2 {
  color: #2563eb;
  font-size: 1.4rem;
  margin-bottom: 0.7rem;
}

.event p {
  color: #374151;
  font-size: 1.1rem;
  margin: 0.3rem 0;
}

.event a {
  color: #ef4444;
  font-weight: bold;
  text-decoration: none;
  border-bottom: 1.5px dashed #ef4444;
  transition: color 0.2s;
}
.event a:hover {
  color: #2563eb;
  border-bottom: 1.5px solid #2563eb;
}
body {
  background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
  font-family: "Segoe UI", "Roboto", Arial, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-image {
  width: 100%;
  max-width: 420px;
  height: auto;
  display: block;
  border-radius: 18px;
  margin: 0 auto 1.8rem auto;
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.16);
}

.container {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  padding: 2.5rem 2rem;
  max-width: 420px;
  width: 100%;
  text-align: center;
}

h1 {
  color: #6366f1;
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.intro {
  color: #374151;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.gift-hub h2 {
  color: #2563eb;
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.gift-hub ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem 0;
}

.gift-hub li {
  color: #334155;
  font-size: 1rem;
  margin: 0.4rem 0;
}

.gift-hub a {
  color: #6366f1;
  text-decoration: none;
  transition: color 0.2s;
}
.gift-hub a:hover {
  color: #2563eb;
}

.notice {
  color: #ef4444;
  font-size: 1.05rem;
  margin-top: 1.2rem;
  font-style: italic;
}