/* 教程页面全局容器 */
.tutorial-document-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f8f9fa;
    min-height: calc(100vh - 280px);
  }
  
  /* 页面主标题 */
  .tutorial-main-title {
    font-size: 32px;
    font-weight: 600;
    color: #1d1d1f;
    line-height: 1.3;
    margin: 0 0 24px 0;
  }
  
  /* 简介区块 */
  .tutorial-intro-block {
    background: #ffffff;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 36px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    color: #424245;
    font-size: 16px;
    line-height: 1.6;
  }
  
  /* 视频教程模块 */
  .tutorial-video-module {
    margin-bottom: 48px;
  }
  .tutorial-video-title {
    font-size: 22px;
    font-weight: 600;
    color: #1d1d1f;
    margin: 0 0 20px 0;
  }
  .tutorial-video-box {
    display: flex;
    justify-content: center;
    background: #000;
    border-radius: 14px;
    overflow: hidden;
    max-width: 360px;
    margin: 0 auto;
    padding: 8px;
  }
  .tutorial-video-box iframe {
    border-radius: 8px;
    border: none;
    max-width: 100%;
  }
  
  /* 图文教程大标题 */
  .tutorial-illustrate-title {
    font-size: 22px;
    font-weight: 600;
    color: #1d1d1f;
    margin: 0 0 32px 0;
  }
  
  /* 每一个分步子模块 */
  .tutorial-sub-section {
    background: #fff;
    border-radius: 14px;
    padding: 28px 26px;
    margin-bottom: 32px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  }
  .tutorial-sub-heading {
    font-size: 18px;
    font-weight: 600;
    color: #111111;
    margin: 0 0 16px 0;
  }
  
  /* 有序步骤列表 */
  .tutorial-step-list {
    padding-left: 22px;
    margin: 0 0 24px 0;
    color: #333;
    font-size: 16px;
    line-height: 1.7;
  }
  .tutorial-step-list li {
    margin-bottom: 10px;
  }
  .tutorial-step-list a {
    color: #007aff;
    text-decoration: none;
  }
  .tutorial-step-list a:hover {
    text-decoration: underline;
  }
  
  /* 图片容器 PC端最大400px居中 */
  .tutorial-image-wrap {
    margin: 20px 0 12px 0;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
  .tutorial-image-box {
    width: 100%;
    border-radius: 10px;
    overflow: hidden;
    background: #f2f3f5;
  }
  .tutorial-image-box img {
    width: 100%;
    height: auto;
    display: block;
  }
  .tutorial-image-caption {
    font-size: 14px;
    color: #6e6e73;
    text-align: center;
    margin-top: 10px;
    line-height: 1.5;
  }
  
  /* 备注小字提示 */
  .tutorial-note-text {
    font-size: 14px;
    color: #6e6e73;
    margin-top: -10px;
    margin-bottom: 18px;
    line-height: 1.5;
  }
  
  /* 段落通用文本 */
  .tutorial-desc-text {
    color: #424245;
    font-size: 16px;
    line-height: 1.65;
    margin: 0 0 20px 0;
    text-align: justify;
  }
  
  /* FAQ 区块 */
  .tutorial-faq-block {
    background: #fff;
    border-radius: 14px;
    padding: 28px 26px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  }

  /* 新增：轮播图图片统一限制PC最大400px，自行替换你的轮播类名 */
  .swiper, .carousel, .slide-wrap {
    max-width: 400px;
    margin: 0 auto;
  }
  .swiper img, .carousel img, .slide-wrap img {
    width: 100%;
    height: auto;
  }
  
  /* ========== 移动端适配 768px ========== */
  @media screen and (max-width: 768px) {
    .tutorial-document-wrap {
      padding: 24px 16px;
    }
    .tutorial-main-title {
      font-size: 24px;
    }
    .tutorial-intro-block {
      padding: 16px 18px;
      font-size: 15px;
    }
    .tutorial-video-title,
    .tutorial-illustrate-title {
      font-size: 20px;
    }
    .tutorial-sub-section {
      padding: 20px 18px;
    }
    .tutorial-sub-heading {
      font-size: 17px;
    }
    .tutorial-step-list,
    .tutorial-desc-text {
      font-size: 15px;
    }
    .tutorial-video-box iframe {
      width: 100%;
      height: auto;
    }
    /* 移动端图片取消宽度限制，铺满容器 */
    .tutorial-image-wrap {
      max-width: 100%;
    }
    /* 移动端轮播取消400px限制 */
    .swiper, .carousel, .slide-wrap {
      max-width: 100%;
    }
  }