/* ====================
   全局变量 & Reset
   ==================== */
:root {
  /* 颜色变量 */
  --bg-main: #f5f5f5;
  --bg-item: #fff;
  --border-item: 2px solid #2e2e4e;
  --badge-bg: #2e2e4e;
  --badge-color: #fff;

  /* 间距变量 */
  --gap: 20px;
  --padding: 10px;
}

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

/* ====================
     Body & 主区域
     ==================== */
body {
  font-family: 'Comfortaa', sans-serif;
  background: var(--bg-main);
  color: #333;
}

.site-main {
  background: var(--bg-main);
  padding: var(--gap);
}

/* ====================
     产品网格
     ==================== */
/* 外层可选，若需灰色底或额外边距再使用 */
.gallery-wrapper {
  margin: 0 auto;
  max-width: 1280px;
}
.cart-item img {
  max-width: 100%;
  height: auto;
  display: block;
}

.photo-grid {
  display: grid;
  /* 最少250px，一行多列或自动换行 */
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--gap);
}

/* 单个产品项 */
.photo-item {
  background: var(--bg-item);
  border: var(--border-item);
  border-radius: 4px;
  padding: var(--padding);
  transition: transform 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.photo-item:hover {
  transform: scale(1.03);
}

.photo-image {
  max-width: 100%;
  height: auto;
  margin-bottom: var(--padding);
}

/* 添加购物按钮 */
.btn-add-cart {
  margin-top: auto;
  padding: 8px 12px;
  cursor: pointer;
  border: none;
  background: var(--badge-bg);
  color: var(--badge-color);
  border-radius: 4px;
  transition: background 0.2s ease;
}

.btn-add-cart:hover {
  background: #1f1f2e;
}

/* ====================
     查看购物车 按钮
     ==================== */
.view-cart-wrapper {
  display: flex;
  justify-content: center;
  margin: var(--gap) 0 0;
}

.btn-view-cart {
  position: relative;
  padding: 8px 16px;
  border: none;
  background: var(--badge-bg);
  color: var(--badge-color);
  border-radius: 4px;
  cursor: pointer;
}

.btn-view-cart::after {
  content: attr(data-count);
  position: absolute;
  top: -6px;
  right: -6px;
  background: red;
  color: white;
  border-radius: 50%;
  padding: 2px 6px;
  font-size: 0.75em;
}

/* ====================
     购物车模态框
     ==================== */
.cart-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
}

.cart-content {
  background: var(--bg-item);
  padding: var(--gap);
  border-radius: 8px;
  max-width: 500px;
  width: 90%;
}

.cart-item {
  display: flex;
  align-items: center;
  gap: var(--gap);
  margin: var(--padding) 0;
  padding-bottom: var(--padding);
  border-bottom: 1px solid #ddd;
}

.cart-actions {
  display: flex;
  justify-content: space-between;
  margin-top: var(--gap);
}

/* ====================
     响应式调整
     ==================== */
@media (max-width: 600px) {
  .photo-grid {
    grid-template-columns: 1fr;
  }
}