* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --red: #e63946;
  --dark-red: #9d0208;
  --darker-red: #6a040f;
  --gold: #ffb703;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei", sans-serif;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  text-decoration: none;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--dark-red) 0%, var(--darker-red) 100%);
  color: #fff;
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 15px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero .subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  margin-bottom: 30px;
  color: var(--gold);
}

.btn {
  display: inline-block;
  background: var(--red);
  color: #fff;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: bold;
  transition: background 0.3s, transform 0.2s;
}

.btn:hover {
  background: var(--gold);
  color: var(--dark-red);
  transform: scale(1.05);
}

/* Sections */
.section {
  padding: 80px 20px;
}

.section h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--dark-red);
  margin-bottom: 40px;
}

.bg-dark {
  background: linear-gradient(180deg, #fff5f5 0%, #ffeaea 100%);
}

/* Products */
.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.product-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(157, 2, 8, 0.1);
  border: 2px solid transparent;
  transition: border-color 0.3s, transform 0.3s;
}

.product-card:hover {
  border-color: var(--red);
  transform: translateY(-5px);
}

.product-img {
  font-size: 4rem;
  margin-bottom: 20px;
}

.product-card h3 {
  color: var(--dark-red);
  margin-bottom: 10px;
}

/* Contact */
#contact {
  background: var(--dark-red);
  color: #fff;
}

#contact h2 {
  color: var(--gold);
}

#contact p {
  text-align: center;
  font-size: 1.2rem;
  margin-bottom: 10px;
}

/* Footer */
footer {
  background: var(--darker-red);
  color: #fff;
  text-align: center;
  padding: 30px 20px;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 60px 20px;
  }
  .section {
    padding: 50px 20px;
  }
  .products {
    grid-template-columns: 1fr;
  }
}