/* 全域設定 */
body {
  margin: 0;
  padding: 0;
  font-family: 'Noto Sans TC', sans-serif;
  background-color: #f9f9f9;
  color: #333;
}

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

/* 導航欄 */
nav {
  background-color: #222;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav .logo {
  height: 32px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
}

nav ul li a:hover {
  color: #ff4d4d;
}

/* 工具卡片區塊 */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.tool-card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  text-align: center;
  padding: 20px;
  transition: box-shadow 0.3s ease;
}

.tool-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.tool-card img {
  width: 128px;
  height: 128px;
  margin-bottom: 10px;
}

.tool-card h3 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 16px;
  margin: 10px 0 0;
}