/* 顶部导航栏 */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 64px;
  background-color: #ffffff;
  border-bottom: 1px solid #eee;
  color: #003366;
}

/* 搜索框和按钮 */
.search-bar {
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 14px;
}

.sign-in-btn {
  background-color: #0d6efd;
  color: #fff;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: bold;
}

/* 主图区域 */
.hero {
  display: flex;
  align-items: left;
  justify-content: left;
  background: linear-gradient(to right, #e9f3ff, #ffffff);
  padding: 80px 40px;
}

/* 三个卡片区域 */
.services {
  display: flex;
  justify-content: space-around;
  margin: 60px 0;
}

.card {
  width: 260px;
  background-color: #f9f9f9;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
  padding: 20px;
  text-align: center;
}

/*导航条自适应 */
.navbar {
  padding: 10px;
  position: relative;
}

.nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 15px;
}

.nav-links li a {
  color: #003366;
  text-decoration: none;
  padding: 10px;
}

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  font-size: 24px;
  color: #003366;
  cursor: pointer;
}

	/* 小屏幕样式 */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 50px;
    left: 0;
    width: 100%;
  }

  .nav-toggle:checked + .nav-toggle-label + .nav-links {
    display: flex;
  }

  .nav-toggle-label {
    display: block;
  }
}
/*导航条自适应 */

.footer {
  background-color: #f2f2f2;
  text-align: center;
  padding: 24px;
  font-size: 14px;
  color: #777;
}

.footer-links {
  list-style: none;
  padding: 12px 0 0;
  margin: 0;
  display: flex;
  justify-content: center;
  gap: 24px;
}

.footer-links li a {
  text-decoration: none;
  color: #0d6efd;
  font-weight: 500;
  transition: color 0.2s ease;
}

.footer-links li a:hover {
  color: #0056b3;
}

.container {
  max-width: 1280px; /* 整个页面宽度限制 1024px，1280px 等 */
  margin: 0 auto;
  padding: 20px;
  background-color: #fff;
}

/* 导航条显示 */
nav {
  padding: 10px;
}

nav a {
  color: white;
  text-decoration: none;
  padding: 10px 15px;
  display: inline-block;
  transition: background-color 0.3s ease;
}

nav a:hover {
  color: #ffcc00;         /* 鼠标悬停时的文字颜色 */
}
/* 导航条显示 */