/* ===== 全局重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #33271c;
  background-color: #f7f3ee;
}

a {
  color: #8b5a2b;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

/* ===== 容器 ===== */
.container {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 0;
}

/* ===== 头部 ===== */
header {
  background-color: #3a291d;
  color: #fff;
  padding: 15px 0;
}
header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 24px;
  font-weight: bold;
  letter‑spacing: 1px;
}
nav ul {
  display: flex;
  gap: 20px;
}
nav a {
  color: #fff;
}

/* ===== 首页横幅 ===== */
.banner {
  background: #e9e2d9;
  padding: 60px 0;
  text‑align: center;
}
.banner h1 {
  font‑size: 36px;
  margin‑bottom: 10px;
  color: #3a291d;
}
.banner p {
  font‑size: 18px;
  color: #665544;
}

/* ===== 产品卡片 ===== */
.product‑grid {
  display: grid;
  grid‑template‑columns: repeat(auto‑fit, minmax(250px, 1fr));
  gap: 20px;
  margin‑top: 30px;
}
.product‑card {
  background: #fff;
  border‑radius: 8px;
  box‑shadow: 0 2px 8px rgba(0,0,0,0.12);
  overflow: hidden;
}
/* 完整显示图片，不裁剪不变形 */
.product‑card img {
  width: 100%;
  height: auto;
  object‑fit: contain;
  background‑color: #fff;
}
.product‑info {
  padding: 15px;
}
.product‑info h3 {
  margin‑bottom: 5px;
  color: #3a291d;
}
.price {
  color: #a64b2a;
  font‑weight: bold;
  margin: 10px 0;
}
.btn {
  display: inline‑block;
  padding: 10px 16px;
  background: #8b5a2b;
  color: #fff;
  border‑radius: 5px;
  margin‑top: 10px;
}
.btn:hover {
  background: #6d4420;
  text‑decoration: none;
}

/* ===== 卡片内容块 ===== */
.card {
  background: #fff;
  padding: 20px;
  border‑radius: 8px;
  box‑shadow: 0 2px 8px rgba(0,0,0,0.08);
  margin: 15px 0;
}

/* ===== 页脚 ===== */
footer {
  background: #3a291d;
  color: #fff;
  text‑align: center;
  padding: 20px 0;
  margin‑top: 40px;
}

/* ===== 响应式适配 ===== */
@media (max‑width: 768px) {
  header .container {
    flex‑direction: column;
    gap: 10px;
  }
  .banner h1 {
    font‑size: 28px;
  }
}