/* 网站运行时间样式 */
.runtime-box {
  text-align: center;
  padding: 20px;
  margin: 15px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: #fff;
  font-size: 16px;
  line-height: 1.8;
}

.runtime-box span {
  font-weight: bold;
  font-size: 18px;
  padding: 0 3px;
}

.runtime-days {
  color: #ffd700;
}

.runtime-hours {
  color: #87ceeb;
}

.runtime-minutes {
  color: #98fb98;
}

.runtime-seconds {
  color: #ffa07a;
}

/* 深色模式适配 */
[data-theme="dark"] .runtime-box {
  background: linear-gradient(135deg, #434343 0%, #000000 100%);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
  .runtime-box {
    font-size: 14px;
    padding: 15px;
  }
  
  .runtime-box span {
    font-size: 16px;
  }
}