/*
  Custom styles
 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.demo-text {
  margin: auto;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  width: 100%;
  padding: 20px;

  display: table;
  height: auto;

  color: #fcfcfc;
  text-transform: uppercase;
  text-align: center;

  font-size: 8em;
  font-family: 'Open Sans', sans-serif;
  font-weight: 800;

  letter-spacing: -0.02em;
  line-height: 1.2em;
}

.link { 
  text-align: center; 
  padding: 20px 10px;
  position: relative;
  z-index: 10;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

.link a { 
  padding: 8px 15px;
  margin: 5px;
  color: #fff;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  transition: all 0.3s ease;
  display: inline-block;
  font-size: 14px;
}

.link a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* 响应式设计 - 平板 */
@media screen and (max-width: 1024px) {
  .demo-text {
    font-size: 6em;
    padding: 15px;
  }
  
  .link a {
    padding: 6px 12px;
    font-size: 13px;
    margin: 3px;
  }
}

/* 响应式设计 - 小平板 */
@media screen and (max-width: 768px) {
  .demo-text {
    font-size: 4em;
    padding: 10px;
  }
  
  .link {
    padding: 15px 5px;
  }
  
  .link a {
    padding: 5px 10px;
    font-size: 12px;
    margin: 2px;
  }
}

/* 响应式设计 - 手机 */
@media screen and (max-width: 480px) {
  .demo-text {
    font-size: 2.5em;
    padding: 10px;
    letter-spacing: -0.01em;
  }
  
  .link {
    padding: 10px 5px;
  }
  
  .link a {
    padding: 4px 8px;
    font-size: 11px;
    margin: 2px;
  }
}

/* 超小屏幕 */
@media screen and (max-width: 360px) {
  .demo-text {
    font-size: 2em;
  }
  
  .link a {
    padding: 3px 6px;
    font-size: 10px;
  }
}