body {
  margin: 0;
  font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans', Arial, sans-serif;
  background: #f7fafd;
  color: #222;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 8vw 12px 8vw;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 10;
}
.logo {
  font-size: 2rem;
  font-weight: bold;
  color: #1e90ff;
  letter-spacing: 2px;
  transition: color 0.3s;
}
nav a {
  margin-left: 32px;
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.2s;
}
nav a:hover {
  color: #1e90ff;
}
.hero {
  background: linear-gradient(120deg, #e0f3ff 0%, #f7fafd 100%);
  text-align: center;
  padding: 80px 16px 60px 16px;
  animation: fadeIn 1.2s;
}
.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 18px;
  color: #1e90ff;
  letter-spacing: 1px;
}
.hero p {
  font-size: 1.3rem;
  color: #555;
  margin-bottom: 30px;
}
#shopBtn {
  background: #1e90ff;
  color: #fff;
  border: none;
  padding: 14px 38px;
  font-size: 1.1rem;
  border-radius: 30px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(30,144,255,0.08);
  transition: background 0.2s, transform 0.2s;
}
#shopBtn:hover {
  background: #0d6efd;
  transform: translateY(-2px) scale(1.04);
}
.story, .product, .faq, .contact {
  max-width: 900px;
  margin: 48px auto;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 16px rgba(30,144,255,0.06);
  padding: 40px 28px 32px 28px;
  animation: fadeInUp 1s;
}
.story h2, .product h2, .faq h2, .contact h2 {
  color: #1e90ff;
  margin-bottom: 18px;
}
.product-card {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.product-card img {
  width: 220px;
  height: 220px;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(30,144,255,0.10);
  object-fit: cover;
  background: #e0f3ff;
  animation: float 2.5s infinite ease-in-out alternate;
}
@keyframes float {
  0% { transform: translateY(0); }
  100% { transform: translateY(-12px); }
}
.product-card ul {
  margin: 0 0 18px 0;
  padding-left: 20px;
  color: #444;
}
.buy-btn {
  background: linear-gradient(90deg, #1e90ff 60%, #6ec6ff 100%);
  color: #fff;
  border: none;
  padding: 12px 32px;
  font-size: 1rem;
  border-radius: 24px;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(30,144,255,0.10);
  transition: background 0.2s, transform 0.2s;
}
.buy-btn:hover {
  background: #0d6efd;
  transform: scale(1.05);
}
.faq-item {
  margin-bottom: 22px;
  border-left: 4px solid #1e90ff;
  padding-left: 16px;
  background: #f7fafd;
  border-radius: 8px;
  transition: box-shadow 0.2s;
}
.faq-item:hover {
  box-shadow: 0 2px 8px rgba(30,144,255,0.08);
}
.contact form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 18px;
}
.contact input, .contact textarea {
  padding: 10px 14px;
  border: 1px solid #cce6ff;
  border-radius: 8px;
  font-size: 1rem;
  outline: none;
  transition: border 0.2s;
}
.contact input:focus, .contact textarea:focus {
  border: 1.5px solid #1e90ff;
}
.contact button[type="submit"] {
  background: #1e90ff;
  color: #fff;
  border: none;
  padding: 10px 0;
  border-radius: 8px;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background 0.2s;
}
.contact button[type="submit"]:hover {
  background: #0d6efd;
}
.contact-info {
  color: #555;
  font-size: 1rem;
}
footer {
  text-align: center;
  padding: 24px 0 12px 0;
  color: #888;
  background: #f7fafd;
  font-size: 1rem;
  margin-top: 40px;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 700px) {
  header { flex-direction: column; padding: 18px 4vw 8px 4vw; }
  nav a { margin-left: 18px; }
  .product-card { flex-direction: column; gap: 18px; }
  .product-card img { width: 160px; height: 160px; }
  .story, .product, .faq, .contact { padding: 24px 8px 18px 8px; }
}