/* ========== 通用重置 & body 风格 ========== */
body {
    margin: 0;
    padding: 0;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  }
  
  /* 给页面顶部导航留出空间，避免内容被挡住 */
  .page-container {
    min-height: 100vh; /* 设置最小高度为 100% 的视口高度 */
    display: flex; /* 启用 flexbox */
    padding-top: 100px;
    /* padding-top: 100px;
    display: none;
    min-height: 80vh; */
  }
  /* 让第一个页面(home)有点不一样，可以自定义背景啥的 */
  #homePage {
    background: #f9f9f9;
  }
  
  /* 其它页面可以统一用淡色/深色背景配合 */
  #aboutPage, 
  #researchPage, 
  #coursesPage, 
  #contactPage {
    background: #fff;
  }
  
  /* 导航栏一些小调整 */
  .navbar {
    border-radius: 0;
    border: none;
  }
  .navbar-brand > img {
    vertical-align: middle;
  }
  .navbar-nav > li > a {
    font-weight: 600;
  }
  
  /* 若想做简单的过渡动画，可以加 transition： */
  .page-container {
    -webkit-transition: opacity 0.4s ease;
    -moz-transition: opacity 0.4s ease;
    -o-transition: opacity 0.4s ease;
    transition: opacity 0.4s ease;
  }
  
  /* Footer 样式 */
  footer {
    margin-top: 20px;
  }



/* Research Page Styling */
#researchPage {
  padding: 40px 0;
  background-color: #f9f9f9; /* Light background */
  color: #333; /* Neutral text color */
}

/* Research Title */
.research-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 30px;
  color: #222;
}

/* Research Items */
.research-item {
  margin-bottom: 40px;
}

.research-image img {
  width: 100%;
  border-radius: 5px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.research-content {
  padding-left: 20px;
}

.research-content h3 {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 10px;
}

.research-content p {
  font-size: 1rem;
  margin-bottom: 10px;
}

.research-content ul {
  padding-left: 20px;
  list-style-type: disc;
}

.research-content ul li {
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: #555;
}

/* Responsive Design */
@media (max-width: 768px) {
  .research-content {
    padding-left: 0;
  }

  .research-image img {
    margin-bottom: 20px;
  }
}



  
  /* General Page Styling */
#experiencePage {
  padding: 40px 0;
  background-color: #f9f9f9;
  font-family: Arial, sans-serif;
}

.experience-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 30px;
  color: #222;
}

/* Experience Items */
.experience-item {
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid #ddd;
}

.experience-item h3 {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 10px;
  color: #333;
}

.experience-item p {
  font-size: 1rem;
  margin-bottom: 10px;
  color: #666;
}

.experience-item ul {
  padding-left: 20px;
  list-style-type: disc;
}

.experience-item ul li {
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: #555;
}



/* Skiing Section */
.skiing-section {
  background-color: #f7fcff;
  padding: 50px 0;
}

.skiing-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: left;
  color: #202020;
  margin-bottom: 20px;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
}

.skiing-intro {
  font-size: 1.2rem;
  text-align: left;
  margin-bottom: 40px;
  color: #555;
}

/* Ski Resorts Grid */
/* Skiing Section Styling */
.skiing-section {
  background-color: #f7fcff;
  padding: 50px 0;
}

.skiing-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: left;
  margin-bottom: 20px;
  color: #0078d7;
}

.skiing-intro {
  font-size: 1.2rem;
  text-align: left;
  margin-bottom: 30px;
  color: #555;
}

/* Flow Layout for Ski Resorts */

/* Ski Resorts Flexbox Layout */
.ski-resorts-flow {
  display: flex;
  flex-wrap: wrap; /* Allow items to wrap to the next row */
  justify-content: space-between; /* Distribute items evenly */
  gap: 20px; /* Space between items */
}

.ski-resort {
  flex: 1 1 calc(33.333% - 20px); /* 3 items per row, accounting for gaps */
  max-width: calc(33.333% - 20px); /* Prevent items from growing too large */
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  padding: 15px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ski-resort:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.ski-map {
  width: 100%;
  height: auto;
  margin-bottom: 10px;
  border-radius: 5px;
}

.ski-resort-name {
  font-size: 1.2rem;
  font-weight: bold;
  color: #333;
  margin-bottom: 5px;
}

.ski-description {
  font-size: 0.9rem;
  color: #666;
}