/* 基础样式重置 */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Microsoft YaHei', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  background-color: white;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* 时间显示区域 */
.countdown-box {
  text-align: center;
  padding: 20px 0;
  border-bottom: 1px solid #eee;
}

.time-block h1 {
  margin: 0 0 10px 0;
  font-size: 2.5em;
  color: #2c3e50;
}

.date {
  font-size: 1.2em;
  color: #7f8c8d;
  margin-bottom: 10px;
}

.shiqu {
  font-size: 1em;
  color: #95a5a6;
  margin-bottom: 20px;
}

.time {
  font-size: 3.5em;
  font-weight: bold;
  color: #e74c3c;
  margin: 20px 0;
}

#time-diff-info {
  text-align: right;
  color: #7f8c8d;
}

#time-diff-info a {
  color: #3498db;
  text-decoration: none;
}

#time-diff-info a:hover {
  text-decoration: underline;
}

/* 时区介绍区域 */
.timezone-jieshao {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid #eee;
}

.timezone-content {
  flex: 1;
  min-width: 300px;
  font-size: 0.95em;
  line-height: 1.7;
  color: #555;
}

.timezone-image {
  max-width: 300px;
  height: auto;
  border-radius: 8px;
}

/* 时区导航区域 */
.timezone-block {
  padding: 20px 0;
}

.timezone-block h3 {
  color: #2c3e50;
  border-left: 4px solid #3498db;
  padding-left: 10px;
  margin: 20px 0 10px 0;
}

.timezone-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.timezone-list li {
  margin: 0;
}

.timezone-list a {
  display: block;
  padding: 8px 12px;
  background-color: #ecf0f1;
  color: #2c3e50;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.timezone-list a:hover {
  background-color: #3498db;
  color: white;
}

/* 底部信息 */
.footer {
  text-align: center;
  padding: 20px 0;
  color: #7f8c8d;
  border-top: 1px solid #eee;
  margin-top: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .container {
    padding: 10px;
  }
  
  .time-block h1 {
    font-size: 2em;
  }
  
  .time {
    font-size: 2.5em;
  }
  
  .timezone-jieshao {
    flex-direction: column;
  }
  
  .timezone-image {
    max-width: 100%;
  }
  
  .timezone-list {
    flex-direction: column;
  }
}