@charset "UTF-8";
/* ==========================================================================
   responsive.css — 响应式与移动端
   本文件在子主题中最后加载，用于覆盖父主题 css/responsive.css 的表现。
   断点：1200 / 1000 / 640
   ========================================================================== */

/* ==========================================================================
   ≤1200px：容器收窄
   ========================================================================== */
@media (max-width: 1200px){
  :root{ --w: 100%; }
  section#main-menu .container,
  section#main-content-inner.container,
  footer .container{ padding-left: 20px; padding-right: 20px; }
  section#main-content-inner.container{ gap: 26px; }
}

/* ==========================================================================
   ≤1000px：菜单抽屉化 + 主体单栏
   ========================================================================== */
@media (max-width: 1000px){

  /* --- 汉堡按钮登场 --- */
  .ptb-burger{ display: inline-flex; }

  /* --- 主菜单改造为右侧抽屉 --- */
  section#main-menu{
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 288px;
    max-width: 86vw;
    background: var(--paper);
    border-bottom: 0;
    border-left: 1px solid var(--line);
    box-shadow: -8px 0 32px rgba(18,33,28,.12);
    transform: translateX(100%);
    transition: transform .26s cubic-bezier(.4,0,.2,1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 58px 16px 24px;
    z-index: 58;
  }
  section#main-menu.is-open{ transform: translateX(0); }
  section#main-menu .container{ padding: 0; }

  section#main-menu ul.menu{
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
    padding: 0;
  }
  section#main-menu ul.menu > li > a{
    padding: 11px 13px;
    font-size: 14.5px;
    border-radius: var(--r-sm);
    white-space: normal;
  }
  section#main-menu ul.menu > li > a:hover{ background: var(--brand-soft); }

  /* 抽屉内二级菜单改为内联展开，避免悬浮态在触屏上失效 */
  section#main-menu ul.menu ul.sub-menu{
    position: static;
    box-shadow: none;
    border: 0;
    background: var(--paper-2);
    margin: 4px 0 6px 12px;
    padding: 4px;
    min-width: 0;
  }

  /* --- 主体：双栏 → 单栏，侧边栏落到内容下方 --- */
  section#main-content-inner.container{
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
  aside#main-sidebar{
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    align-items: start;
  }

  /* --- 幻灯片：封面与文字上下堆叠 --- */
  section#slider .slide{
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 18px;
  }
  section#slider .book-cover{ max-width: 150px; }
  section#slider h2.sd-title{ font-size: 19px; }

  /* --- 顶部条：隐藏次要导航，保留搜索 --- */
  #top-bar-menu{ display: none; }
  section#top-bar input[type="search"],
  section#top-bar input[type="text"]{ min-width: 0; flex: 1; }
  section#top-bar input[type="search"]:focus{ min-width: 0; }

  /* --- 头部：logo 与汉堡分列两端 --- */
  section#inner-header{ padding: 14px 0; }
  section#inner-header .container{ gap: 12px; }
  a.custom-logo-link{ font-size: 19px; }
}

/* ==========================================================================
   ≤640px：手机细节优化
   ========================================================================== */
@media (max-width: 640px){

  body{ font-size: 14.5px; }

  section#main-content{ padding: 20px 0 36px; }
  section#main-content-inner.container{ padding-left: 16px; padding-right: 16px; }
  section#slider{ padding: 16px 0 20px; }
  section#slider .container{ padding: 0 16px; }

  /* 文章卡片：压缩内边距，提升一屏可见条目数 */
  body:not(.single) .article-container.post{
    padding: 16px 17px;
    margin-bottom: 12px;
    border-radius: var(--r);
  }
  .article-details h1.title,
  .article-details h2.title{ font-size: 17px; }
  h1{ font-size: 23px; }
  h2{ font-size: 19px; }

  /* --- 书目信息区：两栏规格表 → 单栏堆叠，避免挤压 --- */
  body.single #book-review{
    grid-template-columns: 1fr;
    column-gap: 0;
    row-gap: 3px;
    padding: 16px 17px;
    margin-bottom: 20px;
  }
  /* 注意：同样必须用直接子代 > ，否则嵌套 span 会被误置位 */
  body.single #book-review > label{
    grid-column: 1;
    font-size: 12.5px;
    margin-top: 8px;
  }
  body.single #book-review > span{
    grid-column: 1;
    font-size: 14px;
    margin-bottom: 2px;
  }
  body.single #book-review > div,
  body.single #book-review > ul{ grid-column: 1; }
  body.single #book-review::before{ grid-column: 1; }
  /* 手机上封面图居中并缩小 */
  body.single #book-review > img.cover,
  body.single #book-review > #book_review_cover_image{
    grid-column: 1;
    width: 112px;
    margin: 2px auto 8px;
  }

  body.single [itemprop="reviewBody"]{ font-size: 15px; line-height: 1.85; }

  /* --- 上下篇导航：并排 → 上下 --- */
  nav.nav-single{ grid-template-columns: 1fr; gap: 10px; }
  nav.nav-single .nav-next{ text-align: left; }

  /* --- 评论区：头像与内容纵向排列更省宽度 --- */
  section#comments-section{ padding: 18px 16px; border-radius: var(--r); }
  .comment .comment-inner-wrapper{
    grid-template-columns: 34px minmax(0,1fr);
    gap: 10px;
    padding: 12px 14px;
  }
  .comment .author-avatar,
  .comment .author-avatar img{ width: 34px; }
  .comment .author-avatar img{ height: 34px; }

  #respond.comment-respond{ padding: 16px 15px; }

  /* --- 侧边栏单列 --- */
  aside#main-sidebar{ grid-template-columns: 1fr; }
  aside#main-sidebar .widget{ padding: 15px 16px; }

  /* --- 页脚 --- */
  footer#main-footer,
  body > footer,
  #footer{ padding: 30px 0 20px; }
  footer .container{ padding: 0 16px; }
  footer .copyright,
  footer .site-info{ flex-direction: column; gap: 8px; }

  /* --- 隐藏幻灯片摘要，只留标题，减少移动端滚动负担 --- */
  section#slider .sd-body{ -webkit-line-clamp: 2; }

  /* --- 返回顶部按钮缩小并下移，避开手势区 --- */
  .ptb-to-top{
    right: 16px;
    bottom: 16px;
    width: 38px; height: 38px;
  }
}

/* ==========================================================================
   打印样式：去掉导航与交互元素
   ========================================================================== */
@media print{
  section#top-bar,
  section#main-menu,
  section#menu-social-icons,
  section#slider,
  aside#main-sidebar,
  section#comments-section,
  .ptb-to-top,
  .ptb-burger{ display: none !important; }
  section#main-content-inner.container{ display: block; }
  body{ background: #fff; font-size: 11pt; }
  a{ color: #000; }
}