/* 基礎樣式重設 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f9;
}
dl, ol, ul {
    margin-top: 0;
    margin-bottom: 0;
}
.last-img{
    padding-bottom: 10%;
}
.logo-w{
    width: 80%;
}
/* 導覽列容器 */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #fff;
  padding: 0 20px;
  /* height: 60px; */
  position: relative;
}

.logo {
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  text-decoration: none;
}

/* 主選單 (電腦版) */
.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  position: relative; /* 給子選單定位用 */
}

.nav-links a {
  display: block;
  color: #424242;
font-size: 1.3em;
font-weight: bold;
  padding: 18px 20px;
  text-decoration: none;
  transition: background 0.3s;
}

.nav-links a:hover {
  background-color: #d7d7d7;
}

/* --- 下拉選單樣式 --- */
.dropdown-menu {
  display: none; /* 預設隱藏 */
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #d7d7d7;
  list-style: none;
  min-width: 160px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

.dropdown-menu li a {
  padding: 12px 16px;
  font-size: 14px;
}

.dropdown-menu li a:hover {
  background-color: #1abc9c;
}

/* 滑鼠懸停時顯示下拉選單 (電腦版) */
.dropdown:hover .dropdown-menu {
  display: block;
}

/* 隱藏 Checkbox 控制元件 */
.menu-toggle {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: #000;
  border-radius: 2px;
}

/* --- 響應式：手機版樣式 (螢幕寬度 < 768px) --- */
@media (max-width: 768px) {
    .logo-w{
    width: 50%;
    }

    .nav-links a {
    font-size: 1.1em;
    }

  .hamburger {
    display: flex; /* 顯示漢堡選單按鈕 */
  }

  .nav-links {
    display: none; /* 預設隱藏主選單 */
    flex-direction: column;
    position: absolute;
    top: 85px;
    left: 0;
    width: 100%;
    background-color:#d7d7d7;
  }

  /* 當 Checkbox 被勾選時，顯示主選單 */
  .menu-toggle:checked ~ .nav-links {
    display: flex;
  }

  /* 手機版下拉選單調整 */
  .dropdown-menu {
    position: static; /* 取消絕對定位，改為向下推進內容 */
    background-color: #1a252f;
    box-shadow: none;
  }

  .dropdown-menu li a {
    padding-left: 40px; /* 增加縮排感 */
  }
}