/* 基本重置 */
body, h1, h2, p, ul, li, a, input, textarea, button {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* 容器 */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
.site-header {
  background: #0066cc;
  color: #fff;
  padding: 15px 0;
  text-align: center;
}
.site-header .logo {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 5px;
}
.site-header .nav a {
  display: inline-block;
  color: #fff;
  background: #ff9900;
  padding: 8px 15px;
  margin: 0 10px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}
.site-header .nav a:hover {
  background: #e68a00;
}

/* Hero */
.hero {
  position: relative;
  margin-top: 20px;
}
.hero-img {
  width: 100%;
  display: block;
}
.hero-text {
  text-align: center;
  margin-top: 15px;
}
.hero-text h2 {
  font-size: 28px;
  margin-bottom: 10px;
}
.hero-text p {
  font-size: 16px;
}

/* Hot Products */
.products-section h2 {
  margin: 30px 0 15px;
  font-size: 24px;
}
.product-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.product {
  flex: 1 1 200px;
  text-align: center;
}
.product img {
  width: 100%;
  height: auto;
}
.product a {
  text-decoration: none;
  color: #0066cc;
  font-weight: bold;
}
.product a:hover {
  color: #004aad;
}

/* Quote Section */
.quote-section input,
.quote-section textarea {
  width: 100%;
  margin-bottom: 10px;
  padding: 8px;
  font-size: 14px;
}
.quote-section button.btn {
  background: #ff9900;
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.quote-section button.btn:hover {
  background: #e68a00;
}

/* Contact Buttons */
.contact-section a.btn {
  display: inline-block;
  background: #ff9900;
  color: #fff;
  padding: 10px 15px;
  margin: 5px;
  border-radius: 4px;
  text-decoration: none;
}
.contact-section a.btn:hover {
  background: #e68a00;
}

/* Footer */
.site-footer {
  margin-top: 40px;
  text-align: center;
  padding: 20px 0;
  background: #f5f5f5;
}

/* 响应式 */
@media(max-width: 768px){
  .product-grid { flex-direction: column; }
  .site-header .nav a { display: block; margin: 5px auto; }
}