@charset "UTF-8";
/* 
 * 响应式桌面端优化样式
 * 适用于所有页面，解决移动端优先设计在桌面端显示过大的问题
 */

/* 全局布局 - 让 footer 始终停靠在底部 */
html {
  height: 100%;
}

body {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.page {
  flex: 1;
}

.footer {
  margin-top: auto;
}

.module {
    margin-bottom: 1rem;
}

/* 桌面端优化 - 平板及以上 */
@media screen and (min-width: 768px) {
  /* 重置根字体大小为标准桌面端大小，避免元素过大 */
  html {
    font-size: 19px !important;
  }
  .guide-nav-a {
    display: inline-block;
    width: 9.2%;
  }
  
  /* 页面容器优化 - 限制最大宽度，居中显示 */
  .page {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
  }
  
  /* 页脚优化 */
  .footer {
    width: 100%;
    max-width: 900px;

  }
  .fl-header .fl-header-l {
    text-align: left;
    font-size: 1.1rem;
    width: 45%;
  }
  .ell {
      margin-left: 15px;
  }
  .module,.guide-content {
      width: 100%;
      max-width: 900px;
      margin: 0 auto;
    }

  .search-popup {
    max-width: 900px;
    margin: 0 auto;
  }
  .page-chapter .content {
        padding-top: 3.5rem;
        background-color: #F6F7F9;
        padding-bottom: .1px;
    }

}

/* 大屏幕优化 - 桌面显示器 */
@media screen and (min-width: 1024px) {
  html {
    font-size: 19.2px !important;
  }
  
  .page {
    max-width: 1100px;
  }
  
  .footer {
    max-width: 1100px;

  }
  .module,.guide-content,.search-popup  {
    max-width: 1100px;

  }
}

/* 超大屏幕优化 */
@media screen and (min-width: 1280px) {
  html {
    font-size: 19.2px !important;
  }
  
  .page {
    max-width: 1200px;
  }
  .footer {
    max-width: 1200px;
  }
  .module,.guide-content,.search-popup  {
    max-width: 1200px;

  }
}

  .book-title-x {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }
  
  .btn-delete {
    padding: 6px 12px;
    background: #fff;
    color: #ff3955;
    border: 1px solid #ff3955;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .btn-delete:hover {
    background: #ff3955;
    color: #fff;
    box-shadow: 0 2px 8px rgba(255, 23, 68, 0.3);
  }
  
  .btn-delete:active {
    transform: scale(0.95);
  }