* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Microsoft YaHei", PingFangSC, sans-serif;
}

body {
  background-color: #f9f6ed;
  color: #333;
  line-height: 1.8;
}

/* 导航栏 */
.navbar {
  background-color: #b8860b;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  position: sticky;
  top: 0;
  z-index: 99;
}
.navbar .logo {
  font-size: 20px;
  font-weight: bold;
}
.nav-menu a {
  color: #fff;
  text-decoration: none;
  margin-left: 18px;
  font-size: 15px;
}
.nav-menu a:hover {
  text-decoration: underline;
}

/* 顶部横幅 */
.banner {
  width: 100%;
  padding: 60px 20px;
  text-align: center;
  background: linear-gradient(rgba(184,134,11,0.8),rgba(184,134,11,0.8)), url(images/h1.jpg) center/cover no-repeat;
  color: white;
}
.banner h1 {
  font-size: 32px;
  margin-bottom: 10px;
}
.banner p {
  font-size: 16px;
}

/* 通用区块样式 */
.section {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
}
.section h2 {
  color: #b8860b;
  border-left: 5px solid #b8860b;
  padding-left: 12px;
  margin-bottom: 20px;
  font-size: 24px;
}

/* 品牌介绍 */
.about-box p {
  font-size: 16px;
  text-indent: 2em;
}

/* 产品列表 */
.product-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}
.product-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.product-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.product-card h3, .product-card p, .product-card .price {
  padding: 0 15px;
  margin: 8px 0;
}
.product-card h3 {
  font-size: 18px;
}
.product-card p {
  color: #666;
  font-size: 14px;
}
.price {
  color: #c53030;
  font-weight: bold;
  font-size: 17px;
  padding-bottom: 15px;
}

/* 联系我们 */
.contact-box p {
  font-size: 16px;
  margin: 8px 0;
}

/* 营业执照弹窗 */
.popup-mask {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0,0,0,0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 20px;
}
.popup-mask img {
  max-width: 90%;
  max-height: 90vh;
  border: 4px solid #fff;
}