/* 容器与面包屑 */
.c-wrap{margin-top:10px;margin-bottom:20px}
.c-breadcrumb{display:flex;gap:8px;align-items:center;color:#64748b;font-size:14px;margin:8px 0 12px}
.c-breadcrumb a{color:#4b5563}
.c-breadcrumb a:hover{color:#2563eb}

/* 顶部横幅 */
.c-hero{
  position:relative;overflow:hidden;border-radius:14px;color:#fff;
  padding:18px;border:1px solid var(--m210m-border);background:#0f172a;
  min-height:120px;display:flex;align-items:center;justify-content:space-between
}
.c-hero-bg{
  position:absolute;inset:0;background:linear-gradient(135deg,#2563eb 0%,#22c55e 100%);
  opacity:.22
}
.c-hero-left{position:relative;display:flex;gap:14px;align-items:center;z-index:1}
.c-app-icon{
  width:72px;height:72px;border-radius:20px;background:#ffffff1a;border:1px solid #ffffff22;
  display:grid;place-items:center;font-weight:800
}
.c-hero-meta{display:flex;flex-direction:column;gap:6px}
.c-hero-title{margin:0;font-size:20px;line-height:1.35;color:#fff}
.c-hero-sub{display:flex;gap:10px;flex-wrap:wrap;color:#e5e7eb;font-size:13px}
.c-hero-tags{display:flex;gap:8px;flex-wrap:wrap}
.c-chip{border:1px solid #dbeafe;background:#e8f2ff;color:#1e3a8a;border-radius:999px;padding:4px 10px;font-size:12px}
.c-chip--green{background:#e7f8ef;border-color:#c8f0d9;color:#065f46}

.c-hero-right{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.c-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;border:1px solid #cfd6df;background:#fff;color:#111827}
.c-btn--primary{background:#22c55e;color:#fff;border-color:#22c55e;box-shadow:0 8px 18px rgba(22,163,74,.25)}
.c-hero-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.c-act{display:inline-flex;align-items:center;gap:6px;border:1px solid #ffffff33;background:#ffffff1a;color:#fff;padding:6px 10px;border-radius:999px;backdrop-filter:blur(2px)}
.c-act:hover{background:#ffffff26}

/* 两栏布局 */
.c-layout{display:grid;grid-template-columns:3fr 1.2fr;gap:16px;margin-top:12px}
@media (max-width:1024px){.c-layout{grid-template-columns:1fr}}

/* 左侧主内容卡 */
.c-main>*,
.c-info,
.c-related{background:#fff;border:1px solid var(--m210m-border);border-radius:14px;box-shadow:var(--m210m-shadow)}
.c-main>*{padding:12px 14px}

/* 小截图条 */
.c-block-title{margin:6px 0 10px;font-weight:800;color:#111827}
.c-thumbs{display:flex;gap:10px;overflow:auto;padding-bottom:8px}
.c-thumbs img{width:130px;height:78px;object-fit:cover;border-radius:10px;border:1px solid #e8edf4;flex:0 0 auto}
.c-thumbs img:hover{transform:translateY(-1px);box-shadow:0 6px 14px rgba(0,0,0,.08)}

/* 正文 */
.c-article{line-height:1.8;color:#374151}
.c-article h2{margin:18px 0 8px;font-size:18px}
.c-article p{margin:10px 0}
.c-article ul, .c-article ol{padding-left:18px}
.c-article code{background:#f3f4f6;border:1px solid #e5e7eb;border-radius:4px;padding:0 4px}
.c-figure{margin:12px 0;text-align:center}
.c-figure img{max-width:100%;border-radius:10px;border:1px solid #e8edf4}

/* 下载列表 */
.c-dl-list{display:flex;flex-direction:column;gap:8px;margin:8px 0 4px}
.c-dl-btn{display:inline-block;padding:8px 14px;border:1px solid #cfd6df;border-radius:999px;background:#fff}
.c-dl-btn:hover{background:#2563eb;color:#fff;border-color:#2563eb}
.c-dl-code{display:inline-flex;align-items:center;gap:8px}
.c-copy{border:1px solid #cfd6df;border-radius:8px;padding:3px 8px;background:#fff;cursor:pointer}
.c-copy:hover{background:#f3f4f6}
.c-dl-netdisk{color:#64748b}

/* 上下篇 */
.c-prevnext{display:flex;justify-content:space-between;gap:12px;margin-top:10px}
.c-prevnext a{display:block;background:#fff;border:1px solid var(--m210m-border);border-radius:12px;padding:10px 12px;width:100%}
.c-prevnext a:hover{border-color:#60a5fa;background:#f0f7ff}

/* 右侧信息栏 */
.c-info{padding:12px 12px}
.c-info ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.c-info li{display:flex;justify-content:space-between;border-bottom:1px dashed #eef2f7;padding-bottom:6px}
.c-info li span{color:#64748b}
.c-compat{display:flex;gap:8px;margin-top:10px}
.c-badge{border:1px solid var(--m210m-border);border-radius:999px;padding:6px 10px;background:#f8fafc}
.c-badge--green{background:#e7f8ef;border-color:#c8f0d9;color:#047857}
.c-os{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.c-osbtn{border:1px solid #d1d9e6;border-radius:10px;padding:8px 10px;background:#f8fbff}
.c-osbtn--muted{background:#fff7ed;border-color:#fed7aa}

/* 右侧相关推荐 */
.c-as-title{margin:8px 0 10px;font-weight:800}
.c-related{padding:12px}
.c-relitem{display:flex;align-items:center;gap:10px;padding:8px 6px;border-radius:10px}
.c-relitem:hover{background:#f8fafc}
.c-relicon{width:36px;height:36px;border-radius:10px;background:#eef2ff;color:#475569;display:grid;place-items:center;font-weight:800}
.c-reltxt{color:#334155}

/* 浮动工具条 */
.c-fab{position:fixed;right:16px;bottom:90px;display:flex;flex-direction:column;gap:10px;z-index:50}
.c-fab-btn{width:40px;height:40px;border-radius:999px;border:1px solid #d1d9e6;background:#fff;box-shadow:0 6px 16px rgba(0,0,0,.07);cursor:pointer}
.c-fab-btn:hover{transform:translateY(-1px)}
/* ===== 图片灯箱 ===== */
.c-lightbox{
  position:fixed;inset:0;display:none;align-items:center;justify-content:center;
  background:rgba(0,0,0,.85);z-index:999;
}
.c-lightbox.active{display:flex;}
.c-lightbox img{
  max-width:90%;max-height:90%;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.6);
  animation:zoomIn .25s ease;
}
@keyframes zoomIn{
  from{transform:scale(.85);opacity:.2;}
  to{transform:scale(1);opacity:1;}
}
.c-lightbox-close{
  position:absolute;top:20px;right:30px;font-size:32px;color:#fff;cursor:pointer;
}
/* 评论区 */
.c-comments{margin-top:16px;padding:14px;background:#fff;border:1px solid var(--m210m-border);border-radius:14px;box-shadow:var(--m210m-shadow)}
.c-comment-form{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.c-comment-form textarea{
  width:100%;min-height:80px;padding:10px;border-radius:10px;border:1px solid #d1d9e6;
  resize:vertical;font-size:14px;line-height:1.5
}
.c-comment-form button{align-self:flex-end}

/* 列表与单条 */
.c-comment-list{display:flex;flex-direction:column;gap:14px}
.c-comment{display:flex;gap:10px}
.c-avatar{
  width:38px;height:38px;border-radius:999px;background:#2563eb;color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:16px;flex-shrink:0
}
.c-comment-body{flex:1}
.c-comment-meta{font-size:13px;color:#6b7280;margin-bottom:4px;display:flex;gap:10px;flex-wrap:wrap}
.c-comment-text{font-size:14px;color:#374151;line-height:1.6}
.c-comment-actions{display:flex;gap:10px;margin-top:6px}
.c-comment-actions button{
  border:1px solid #e5e7eb;background:#fff;border-radius:999px;padding:4px 10px;font-size:12px;color:#475569;
}
.c-comment-actions button:hover{background:#f0f7ff;border-color:#60a5fa}

/* 回复列表（楼中楼） */
.c-replies{margin-top:10px;margin-left:48px;border-left:2px solid #eef2f7;padding-left:12px;display:flex;flex-direction:column;gap:12px}
.c-reply .c-avatar{width:30px;height:30px;font-size:14px;background:#64748b}
.c-reply .c-comment-meta{font-size:12px}

/* 内联回复表单 */
.c-reply-form{display:flex;gap:8px;margin-top:8px}
.c-reply-form textarea{
  flex:1;min-height:60px;border:1px solid #d1d9e6;border-radius:8px;padding:8px;font-size:14px
}
.c-reply-form .c-reply-submit{white-space:nowrap}

/* 分页 */
.c-cmt-pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px}
.cmt-page-numbers{display:flex;gap:6px}
.cmt-page-btn,.cmt-page-num{
  min-width:36px;height:36px;display:grid;place-items:center;
  border:1px solid var(--m210m-border);background:#fff;border-radius:10px;cursor:pointer;transition:.18s
}
.cmt-page-btn:hover,.cmt-page-num:hover{border-color:#60a5fa;background:#f0f7ff}
.cmt-page-num[data-active="1"]{background:#2563eb;color:#fff;border-color:#2563eb}
.cmt-page-btn[disabled]{opacity:.45;cursor:not-allowed}
.cmt-ellipsis{padding:0 6px;color:#9aa5b5}


/* ===== 210m 悬浮目录卡片 ===== */
/* ===== 210m 悬浮目录卡片 垂直居中 ===== */
.m210m-toc-card{
  position:fixed;
  top:50%;                     /* 居中基准 */
  left:100px;
  transform:translateY(-50%);  /* 垂直居中 */
  width:220px;
  max-height:80vh;
  overflow:auto;
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius:12px;
  box-shadow:0 6px 20px rgba(0,0,0,.06);
  z-index:99;
}

.m210m-toc-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;border-bottom:1px solid #f1f5f9;
  position:sticky;top:0;background:#fff;z-index:1;
}
.m210m-toc-title{font-size:14px;font-weight:600;color:#111827}
.m210m-toc-toggle{
  border:0;background:transparent;cursor:pointer;font-size:16px;line-height:1;
  color:#6b7280;padding:2px 6px;border-radius:8px;
}
.m210m-toc-body{padding:8px 10px 12px;}
.m210m-toc-list{list-style:none;margin:0;padding:0;}
.m210m-toc-item{margin:6px 0;}
.m210m-toc-item > a{
  display:block;font-size:13px;line-height:1.4;text-decoration:none;
  color:#374151;padding:6px 8px;border-radius:8px;
  transition:background .15s ease, color .15s ease;
  word-break:break-word;
}
.m210m-toc-item > a:hover{background:#f3f4f6}
.m210m-toc-item.is-active > a{
  background:#eef2ff;color:#3730a3;font-weight:600;
}
.m210m-toc-item.level-3{margin-left:14px;}
/* 宽度不足时隐藏目录（你可按需调整阈值） */
@media (max-width: 1200px){
  .m210m-toc-card{display:none}
}


/* 目录卡片默认隐藏，滚动后再显示 */
.m210m-toc-card{
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;
  /* 你之前已设置了 top:50%; transform:translateY(-50%); 这里在 X 轴轻微偏移做个入场动画 */
  transform:translateY(-50%) translateX(-8px);
}
.m210m-toc-card.m210m-show{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:translateY(-50%) translateX(0);
}