/* CarpetAI 方案 M-2 · 品牌双色扁平 + 轻织底纹（方案 B：44px 居中） */
.card-icon--duotone {
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
  display: block;
  border-radius: 0;
  background: none;
  color: inherit;
  flex-shrink: 0;
  transition: transform 0.2s ease, filter 0.2s ease;
}
.card-icon--duotone .duotone-icon {
  width: 44px;
  height: 44px;
  max-width: 44px;
  max-height: 44px;
  display: block;
}
.card:hover .card-icon--duotone {
  transform: translateY(-2px);
  filter: drop-shadow(0 4px 8px rgba(0, 64, 160, 0.14));
}
html.dark .card-icon--duotone .duotone-icon rect[fill="#f5f8fc"] {
  fill: #1a2840;
}
html.dark .card-icon--duotone .duotone-icon {
  filter: brightness(1.05) saturate(0.85);
}

/* 首页 Hero 彩色卡片 — 保持较小白线版 */
.hero-icon--duotone {
  width: 36px;
  height: 36px;
  margin: 0 auto 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-icon--duotone .duotone-icon {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.12));
}

/* 首页快速导航 — 44px 居中 */
.home-quick-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.home-quick-card .home-nav-icon {
  margin: 0 auto 12px;
  width: 44px;
  height: 44px;
}
.home-quick-card .home-nav-icon .duotone-icon {
  width: 44px;
  height: 44px;
  max-width: 44px;
  max-height: 44px;
}

/* 聚合页卡片 — 图标居中，文字保持左对齐 */
.card .card-icon--duotone {
  margin-bottom: 12px;
}