/* ============================================================
   UKAssignment Tag 标签页 - 样式表
   依赖：index.css（提供 :root 变量 / 通用组件 / 动画基础）
   引用：<link rel="stylesheet" href="/skin/css/index.css">
   适用：Tag 首页（tags.html）+ Tag 列表页（tag.html）
   布局：标签封面 + 分组标签云 / 标签下文章列表 + 侧栏
   ============================================================ */

  /* ===== 面包屑（复用 column.css 思路） ===== */
  .breadcrumb{
    background:var(--paper);border-bottom:1px solid var(--line);
    font-size:13px;font-family:-apple-system,"PingFang SC",sans-serif;color:var(--muted);
  }
  .breadcrumb .wrap{display:flex;align-items:center;gap:8px;min-height:42px;flex-wrap:wrap}
  .breadcrumb a{color:var(--navy-700);transition:color .2s}
  .breadcrumb a:hover{color:var(--gold-700)}
  .breadcrumb .sep{color:var(--line)}
  .breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600}

  /* ===== 标签封面 hero ===== */
  .tag-hero{
    position:relative;overflow:hidden;color:#fff;
    background:linear-gradient(135deg,var(--navy-950) 0%,var(--navy-800) 55%,var(--navy-700) 100%);
    padding:60px 0 52px;
  }
  .tag-hero::before{
    content:"";position:absolute;inset:0;opacity:.55;
    background:
      radial-gradient(circle at 12% 22%,rgba(176,141,87,.22),transparent 30%),
      radial-gradient(circle at 88% 12%,rgba(201,169,97,.18),transparent 28%);
  }
  .tag-hero::after{
    content:"";position:absolute;inset:auto -8% -40% auto;width:480px;height:480px;border-radius:50%;
    border:1px solid rgba(220,194,138,.14);
  }
  .tag-hero .wrap{position:relative;z-index:1}
  .tag-hero .eyebrow{margin-bottom:18px}
  .tag-hero h1{
    margin:0;font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.4px;
    font-family:Georgia,"Songti SC",serif;
  }
  .tag-hero .lead{
    color:#cdd6e3;font-size:16px;margin:18px 0 0;max-width:720px;
    font-family:-apple-system,"PingFang SC",sans-serif;line-height:1.85;
  }
  .tag-hero-stats{
    margin-top:28px;display:flex;gap:36px;flex-wrap:wrap;
    padding-top:24px;border-top:1px solid rgba(220,194,138,.22);
  }
  .tag-hero-stats .stat{display:flex;flex-direction:column;gap:4px}
  .tag-hero-stats .stat b{
    color:var(--gold-400);font-size:28px;line-height:1;font-family:Georgia,serif;letter-spacing:.5px;
  }
  .tag-hero-stats .stat span{
    color:#aeb8c6;font-size:13px;font-family:-apple-system,"PingFang SC",sans-serif;
  }

  /* ===== Hero 双栏 + 右侧转化卡（参考 region.css） ===== */
  .tag-hero-inner{
    display:grid;grid-template-columns:1fr 330px;gap:40px;align-items:center;
  }
  .tag-hero .hero-main{min-width:0}
  .tag-hero-aside{position:relative;z-index:1}
  .tag-hero-aside .aside-card{
    background:rgba(251,249,243,.97);color:var(--ink);
    border-radius:20px;padding:22px;
    border:1px solid rgba(220,194,138,.5);
    box-shadow:0 24px 60px rgba(0,0,0,.28);
    position:relative;overflow:hidden;
  }
  .tag-hero-aside .aside-card::before{
    content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;
    background:radial-gradient(circle,rgba(176,141,87,.18),transparent 70%);
  }
  .tag-hero-aside .qr-head{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    position:relative;z-index:1;margin-bottom:4px;
  }
  .tag-hero-aside .aside-qr h2{
    margin:0;font-size:19px;color:var(--navy-900);
    font-family:Georgia,"Songti SC",serif;letter-spacing:.3px;
  }
  .tag-hero-aside .qr-badge{
    flex:none;font-size:10px;font-weight:700;letter-spacing:.5px;color:#fff;
    background:linear-gradient(135deg,var(--gold-600),var(--gold-400));
    padding:3px 8px;border-radius:999px;font-family:-apple-system,sans-serif;
  }
  .tag-hero-aside .aside-card > p{
    margin:0 0 14px;color:var(--muted);font-size:13px;
    font-family:-apple-system,"PingFang SC",sans-serif;position:relative;z-index:1;
  }
  .tag-hero-aside .qr-wrap{
    position:relative;z-index:1;width:100%;aspect-ratio:1;
    padding:8px;background:#fff;border-radius:12px;
    border:1px solid var(--line);
    box-shadow:0 8px 22px rgba(13,27,46,.08);
  }
  .tag-hero-aside .qr-wrap img{display:block;width:100%;height:100%;object-fit:contain;border-radius:6px}
  .tag-hero-aside .qr-wrap::after{
    content:"";position:absolute;inset:-5px;border-radius:16px;pointer-events:none;
    border:1px dashed rgba(176,141,87,.4);
  }
  .tag-hero-aside .qr-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;z-index:1;margin:0 auto 14px;
  }
  .tag-hero-aside .qr-item{display:flex;flex-direction:column;align-items:center;gap:8px}
  .tag-hero-aside .qr-name{
    font-size:12px;font-weight:600;color:var(--navy-700);letter-spacing:.3px;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .tag-hero-aside .qr-contacts{
    list-style:none;margin:0 0 14px;padding:12px 0 0;display:flex;flex-direction:column;gap:8px;
    border-top:1px solid var(--line);position:relative;z-index:1;
  }
  .tag-hero-aside .qr-contacts li{
    display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .tag-hero-aside .qr-contacts .qr-label{color:var(--muted);font-size:12px;flex:none;width:64px}
  .tag-hero-aside .qr-contacts b{color:var(--navy-900);font-weight:600;letter-spacing:.2px;min-width:0;overflow-wrap:anywhere}
  .tag-hero-aside .aside-cta{
    display:flex;align-items:center;justify-content:center;width:100%;margin-top:0;
    position:relative;z-index:1;min-height:42px;font-size:14px;
  }

  /* ===== 侧栏快捷咨询 CTA 卡 ===== */
  .tag-cta-card p{
    margin:0 0 14px;color:var(--muted);font-size:13px;line-height:1.8;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .tag-cta-card .cta-actions{display:flex;flex-direction:column;gap:10px}
  .tag-cta-card .cta-actions .btn{width:100%;min-height:42px}

  /* ===== 详情介绍（封面与主体之间） ===== */
  .tag-intro{padding:52px 0;border-bottom:1px solid var(--line)}
  .tag-intro .section-head{max-width:780px;margin:0 auto 28px;text-align:center}
  .tag-intro .section-head h2{
    margin:0 0 10px;font-size:26px;color:var(--navy-900);
    font-family:Georgia,"Songti SC",serif;letter-spacing:.2px;
  }
  .tag-intro .section-head p{
    color:var(--muted);margin:0;font-size:15px;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .tag-intro .rich-text{
    font-size:15px;line-height:1.95;color:var(--ink);
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .tag-intro .rich-text p{margin:0 0 18px}
  .tag-intro .rich-text h3{
    margin:28px 0 14px;font-size:19px;color:var(--navy-900);
    font-family:Georgia,"Songti SC",serif;
    padding-left:12px;border-left:3px solid var(--gold-500);
  }
  .tag-intro .rich-text ul,.tag-intro .rich-text ol{margin:0 0 18px;padding-left:22px}
  .tag-intro .rich-text li{margin:8px 0;line-height:1.8}
  .tag-intro .rich-text strong{color:var(--navy-900);font-weight:600}
  .tag-intro .rich-text em{color:var(--gold-700);font-style:italic}
  .tag-intro .rich-text blockquote{
    margin:0 0 20px;padding:16px 20px;background:var(--cream);
    border-left:4px solid var(--gold-500);border-radius:0 10px 10px 0;
    color:var(--navy-700);font-size:14px;
  }
  .tag-intro .rich-text blockquote strong{color:var(--gold-700)}

  /* ===== Tag 首页：分组标签区 ===== */
  .tag-groups-section{padding:60px 0 64px}
  .tag-group{
    margin-bottom:48px;background:#fff;border:1px solid var(--line);
    border-radius:20px;padding:28px 30px;
    box-shadow:0 12px 30px rgba(13,27,46,.05);
  }
  .tag-group-head{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    margin-bottom:20px;padding-bottom:14px;border-bottom:2px solid var(--gold-500);
  }
  .tag-group-head h2{
    margin:0;font-size:22px;color:var(--navy-900);
    font-family:Georgia,"Songti SC",serif;letter-spacing:.2px;
    display:flex;align-items:center;gap:10px;
  }
  .tag-group-head h2 .group-icon{
    width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
    background:linear-gradient(135deg,var(--navy-800),var(--navy-600));color:var(--gold-300);
    font-size:16px;border:1px solid var(--gold-500);
  }
  .tag-group-head .group-count{
    font-size:13px;color:var(--muted);font-family:-apple-system,"PingFang SC",sans-serif;
    background:var(--cream);padding:4px 12px;border-radius:999px;border:1px solid var(--line);
  }
  .tag-group-head .group-count b{color:var(--gold-700);font-weight:700;font-size:14px}

  /* 标签网格 */
  .tag-tiles{
    display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;
  }
  .tag-tile{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:12px;
    transition:.25s;position:relative;overflow:hidden;
  }
  .tag-tile::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
    background:linear-gradient(180deg,var(--gold-500),var(--gold-300));
    transform:scaleY(0);transform-origin:top;transition:transform .3s;
  }
  .tag-tile:hover{
    transform:translateY(-3px);box-shadow:0 14px 30px rgba(13,27,46,.1);
    border-color:var(--gold-400);background:var(--cream);
  }
  .tag-tile:hover::before{transform:scaleY(1)}
  .tag-tile .tile-name{
    font-size:15px;font-weight:600;color:var(--navy-900);
    font-family:-apple-system,"PingFang SC",sans-serif;transition:color .2s;
  }
  .tag-tile:hover .tile-name{color:var(--gold-700)}
  .tag-tile .tile-count{
    flex:none;font-size:12px;color:var(--muted);
    background:var(--cream);padding:2px 8px;border-radius:999px;
    font-family:-apple-system,sans-serif;border:1px solid var(--line);
    transition:.2s;
  }
  .tag-tile:hover .tile-count{background:var(--gold-300);color:var(--navy-900);border-color:var(--gold-400)}
  .tag-tile.is-hot .tile-name::after{
    content:"HOT";margin-left:6px;font-size:9px;font-weight:700;color:#fff;
    background:linear-gradient(135deg,#c0392b,#e74c3c);padding:2px 6px;border-radius:6px;
    vertical-align:2px;letter-spacing:.5px;
  }

  /* 大尺寸变体（热门 tag） */
  .tag-tile.is-large{
    grid-column:span 2;background:linear-gradient(135deg,var(--navy-800),var(--navy-600));
    color:#fff;border-color:var(--gold-500);
  }
  .tag-tile.is-large::before{background:linear-gradient(180deg,var(--gold-400),var(--gold-300))}
  .tag-tile.is-large .tile-name{color:#fff;font-size:17px}
  .tag-tile.is-large:hover{background:linear-gradient(135deg,var(--navy-700),var(--navy-600))}
  .tag-tile.is-large .tile-count{background:rgba(220,194,138,.2);color:var(--gold-300);border-color:rgba(220,194,138,.4)}
  .tag-tile.is-large:hover .tile-count{background:var(--gold-400);color:var(--navy-900)}

  /* ===== 全部标签 行式列表（按更新时间倒序） ===== */
  .tag-rows{display:flex;flex-direction:column;gap:12px;margin-top:22px}
  .tag-row{
    display:flex;align-items:center;gap:18px;padding:18px 22px;
    background:#fff;border:1px solid var(--line);border-radius:12px;
    transition:.22s;min-width:0;
  }
  .tag-row:hover{
    border-color:var(--gold-400);background:var(--cream);
    box-shadow:0 10px 26px rgba(13,27,46,.09);transform:translateY(-2px);
  }
  .tag-row .row-main{flex:1;min-width:0}
  .tag-row .row-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
  .tag-row .row-name{
    font-size:16px;font-weight:700;color:var(--navy-900);letter-spacing:.2px;
    font-family:-apple-system,"PingFang SC",sans-serif;transition:color .2s;
  }
  .tag-row:hover .row-name{color:var(--gold-700)}
  .tag-row .row-slug{
    font-size:11px;color:var(--muted);background:var(--paper);border:1px solid var(--line);
    padding:2px 10px;border-radius:999px;font-family:-apple-system,sans-serif;
    max-width:60%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
  }
  .tag-row .row-desc{
    margin:0;font-size:13px;line-height:1.7;color:var(--muted);
    font-family:-apple-system,"PingFang SC",sans-serif;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
    overflow:hidden;
  }
  .tag-row .row-time{
    flex:none;font-size:12px;color:var(--muted);white-space:nowrap;
    font-family:Georgia,serif;letter-spacing:.3px;border-left:1px solid var(--line);
    padding-left:16px;align-self:stretch;display:flex;align-items:center;
  }

  /* ===== 热门标签看板 ===== */
  .tag-hotboard{
    margin-bottom:48px;
    background:linear-gradient(135deg,var(--navy-900),var(--navy-700));
    border-radius:24px;padding:36px;color:#fff;
    box-shadow:0 18px 44px rgba(13,27,46,.22);position:relative;overflow:hidden;
  }
  .tag-hotboard::after{
    content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
    background:rgba(220,194,138,.1);
  }
  .tag-hotboard .hot-intro{position:relative;z-index:1;margin-bottom:22px}
  .tag-hotboard .hot-intro h2{
    margin:6px 0 8px;color:#fff;font-size:26px;letter-spacing:.3px;
    font-family:Georgia,"Songti SC",serif;
  }
  .tag-hotboard .hot-intro p{
    margin:0;color:#cdd6e3;font-size:14px;line-height:1.7;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .tag-hotboard .hot-tags-flex{
    display:flex;flex-wrap:wrap;gap:10px;position:relative;z-index:1;
  }
  .tag-hotboard .hot-tags-flex a{
    padding:8px 16px;border-radius:999px;
    background:rgba(255,255,255,.08);border:1px solid rgba(220,194,138,.25);
    color:var(--gold-300);font-size:13px;font-weight:600;letter-spacing:.3px;
    font-family:-apple-system,"PingFang SC",sans-serif;transition:.22s;
  }
  .tag-hotboard .hot-tags-flex a:hover{
    background:linear-gradient(135deg,var(--gold-600),var(--gold-400));color:var(--navy-900);
    transform:translateY(-2px);box-shadow:0 6px 14px rgba(176,141,87,.4);border-color:var(--gold-400);
  }
  .tag-hotboard .hot-tags-flex a.is-primary{
    background:linear-gradient(135deg,var(--gold-600),var(--gold-400));color:var(--navy-900);
    border-color:var(--gold-400);
  }

  /* ===== Tag 列表页：主体两列 ===== */
  .tag-body-section{padding:48px 0 64px}
  .tag-body-grid{
    display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start;
  }

  /* 文章列表 - 复用 column.css 中 article-card 风格 */
  .tag-article-list{display:flex;flex-direction:column;gap:18px}
  .tag-article-list .article-card{
    display:grid;grid-template-columns:220px 1fr;gap:22px;align-items:stretch;
    background:#fff;border:1px solid var(--line);border-radius:18px;
    box-shadow:0 10px 26px rgba(13,27,46,.06);
    transition:transform .28s,box-shadow .28s,border-color .28s;
    position:relative;overflow:hidden;
  }
  .tag-article-list .article-card::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;z-index:3;
    background:linear-gradient(180deg,var(--gold-500),var(--gold-300));
    transform:scaleY(0);transform-origin:top;transition:transform .3s;
  }
  .tag-article-list .article-card:hover{
    transform:translateY(-4px);box-shadow:0 22px 50px rgba(13,27,46,.12);border-color:var(--gold-400);
  }
  .tag-article-list .article-card:hover::before{transform:scaleY(1)}

  /* 缩略图：独立 a 标签，点击跳转文章页 */
  .tag-article-list .article-thumb{
    display:block;position:relative;overflow:hidden;min-height:140px;
    background:linear-gradient(135deg,var(--navy-800),var(--navy-600));
    text-decoration:none;
  }
  .tag-article-list .article-thumb img{
    position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover;display:block;
    transition:transform .55s ease;
  }
  .tag-article-list .article-card:hover .article-thumb img{transform:scale(1.08)}
  .tag-article-list .article-thumb .article-cat{
    position:absolute;top:10px;left:10px;z-index:2;
    background:rgba(13,27,46,.7);backdrop-filter:blur(6px);
    color:var(--gold-300);font-size:11px;font-weight:700;letter-spacing:.5px;
    padding:4px 10px;border-radius:999px;border:1px solid rgba(220,194,138,.4);
    font-family:-apple-system,sans-serif;
  }

  /* 正文区 */
  .tag-article-list .article-body{
    display:flex;flex-direction:column;gap:10px;
    padding:18px 18px 16px 0;min-width:0;
  }
  /* 标题+摘要：独立 a 标签，点击跳转文章页 */
  .tag-article-list .article-main-link{
    display:flex;flex-direction:column;gap:10px;
    text-decoration:none;color:inherit;
  }
  .tag-article-list .article-title{
    margin:0;font-size:19px;line-height:1.4;color:var(--navy-900);
    font-family:Georgia,"Songti SC",serif;transition:color .2s;
  }
  .tag-article-list .article-card:hover .article-title{color:var(--gold-700)}
  .tag-article-list .article-excerpt{
    margin:0;color:var(--muted);font-size:14px;line-height:1.75;
    font-family:-apple-system,"PingFang SC",sans-serif;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }

  /* 过长隐藏：标题单行 / 摘要两行 */
  .tag-article-list .article-title.is-ellipsis{
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .tag-article-list .article-excerpt.is-ellipsis-2{-webkit-line-clamp:2}

  /* 卡片底部 tag 行（body 内，独立 a 链接跳转其它 tag 页） */
  .tag-article-list .card-tags{
    display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:10px;
    border-top:1px dashed var(--line);
  }
  .tag-article-list .card-tags a{
    font-size:11px;color:var(--gold-700);background:var(--cream);
    padding:3px 9px;border-radius:6px;border:1px solid var(--line);
    font-family:-apple-system,"PingFang SC",sans-serif;transition:.2s;
    text-decoration:none;line-height:1.4;
  }
  .tag-article-list .card-tags a:hover{background:var(--gold-300);color:var(--navy-900);border-color:var(--gold-400);transform:translateY(-1px)}
  .tag-article-list .card-tags a.is-current{
    background:linear-gradient(135deg,var(--gold-600),var(--gold-400));color:var(--navy-900);border-color:var(--gold-400);
    pointer-events:none;cursor:default;
  }

  /* 卡片底部 meta 行（body 内） */
  .tag-article-list .article-meta{
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    color:var(--muted);font-size:12px;font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .tag-article-list .article-meta .meta-sep{color:var(--line)}
  .tag-article-list .article-meta time{color:var(--navy-700);font-weight:600}
  .tag-article-list .article-meta .meta-views{color:var(--gold-700)}

  /* 空状态 */
  .tag-empty-state{
    text-align:center;padding:60px 20px;color:var(--muted);
    font-family:-apple-system,"PingFang SC",sans-serif;
    background:#fff;border:1px dashed var(--line);border-radius:18px;
  }
  .tag-empty-state .empty-icon{
    font-size:54px;color:var(--line);margin-bottom:14px;font-family:Georgia,serif;
  }
  .tag-empty-state a{color:var(--gold-700);font-weight:600}

  /* 分页 - 复用 column.css 风格 */
  .tag-pagination{
    margin-top:32px;display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .tag-pagination .page-btn{
    min-width:38px;height:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--navy-800);
    font-size:13px;font-weight:600;cursor:pointer;transition:.2s;white-space:nowrap;
  }
  .tag-pagination .page-btn:hover:not(.is-disabled):not(.is-active){
    border-color:var(--gold-500);color:var(--gold-700);transform:translateY(-2px);
  }
  .tag-pagination .page-btn.is-active{
    background:linear-gradient(135deg,var(--navy-800),var(--navy-600));
    color:#fff;border-color:var(--gold-500);box-shadow:0 6px 14px rgba(13,27,46,.16);
  }
  .tag-pagination .page-btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
  .tag-pagination .page-ellipsis{padding:0 6px;color:var(--muted)}

  /* ===== 侧栏 ===== */
  .tag-sidebar{
    display:flex;flex-direction:column;gap:18px;
    position:sticky;top:96px;
  }
  /* 复用栏目页 side-card 风格 */
  .tag-side-card{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;
    box-shadow:0 10px 26px rgba(13,27,46,.05);
  }
  .tag-side-card h3{
    margin:0 0 14px;font-size:16px;color:var(--navy-900);
    font-family:Georgia,"Songti SC",serif;
    padding-bottom:10px;border-bottom:2px solid var(--gold-500);
    display:inline-block;letter-spacing:.3px;
  }

  /* 二维码 CTA 卡 */
  .tag-qr-card{
    background:linear-gradient(135deg,var(--navy-800),var(--navy-600));color:#fff;
    border:1px solid var(--gold-500);position:relative;overflow:hidden;
  }
  .tag-qr-card::after{
    content:"";position:absolute;right:-50px;top:-50px;width:160px;height:160px;border-radius:50%;
    background:rgba(220,194,138,.12);
  }
  .tag-qr-card h3{color:var(--gold-300);border-bottom-color:var(--gold-400);position:relative;z-index:1}
  .tag-qr-card .qr-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:10px;position:relative;z-index:1;margin:8px auto 14px;
  }
  .tag-qr-card .qr-item{display:flex;flex-direction:column;align-items:center;gap:6px}
  .tag-qr-card .qr-wrap{
    position:relative;z-index:1;width:100%;aspect-ratio:1;
    padding:6px;background:#fff;border-radius:12px;
    border:1px solid var(--line);
    box-shadow:0 8px 22px rgba(0,0,0,.18);
  }
  .tag-qr-card .qr-wrap img{display:block;width:100%;height:100%;object-fit:contain;border-radius:6px}
  .tag-qr-card .qr-name{
    font-size:12px;font-weight:600;color:var(--gold-300);letter-spacing:.3px;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .tag-qr-card .contact-list{
    list-style:none;margin:0;padding:12px 0 0;display:flex;flex-direction:column;gap:8px;
    border-top:1px solid rgba(220,194,138,.2);position:relative;z-index:1;
  }
  .tag-qr-card .contact-list li{
    display:flex;justify-content:space-between;align-items:center;font-size:12px;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .tag-qr-card .contact-list .c-label{color:#aeb8c6}
  .tag-qr-card .contact-list b{color:#fff;font-weight:600}
  .tag-qr-card .btn{width:100%;margin-top:8px;position:relative;z-index:1;font-size:13px;min-height:40px}

  /* 相关 tag */
  .tag-related-cloud{display:flex;flex-wrap:wrap;gap:7px}
  .tag-related-cloud a{
    padding:6px 12px;border-radius:999px;background:var(--cream);color:var(--navy-700);
    font-size:12px;font-weight:600;border:1px solid var(--line);
    font-family:-apple-system,"PingFang SC",sans-serif;transition:.22s;
  }
  .tag-related-cloud a:hover{
    background:linear-gradient(135deg,var(--gold-600),var(--gold-400));color:var(--navy-900);
    border-color:var(--gold-500);transform:translateY(-2px);box-shadow:0 6px 14px rgba(176,141,87,.28);
  }

  /* 热门文章（复用栏目页 hot-list 风格） */
  .tag-hot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;min-width:0;max-width:100%}
  .tag-hot-list li{display:flex;align-items:flex-start;gap:10px;min-width:0;max-width:100%}
  .tag-hot-list .hot-rank{
    flex:none;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
    background:var(--cream);color:var(--navy-700);font-size:12px;font-weight:700;
    font-family:Georgia,serif;
  }
  .tag-hot-list li:nth-child(1) .hot-rank{background:linear-gradient(135deg,var(--gold-600),var(--gold-400));color:var(--navy-900)}
  .tag-hot-list li:nth-child(2) .hot-rank{background:linear-gradient(135deg,#b08d57,#9a7a44);color:#fff}
  .tag-hot-list li:nth-child(3) .hot-rank{background:linear-gradient(135deg,#8a6d3b,#7a5e33);color:#fff}
  .tag-hot-list li a{color:var(--navy-800);font-size:13px;line-height:1.55;transition:color .2s;font-family:-apple-system,"PingFang SC",sans-serif}
  .tag-hot-list li a:hover{color:var(--gold-700)}
  /* 热门阅读标题过长隐藏 */
  .tag-hot-list li a.is-ellipsis{
    flex:1;min-width:0;max-width:100%;display:block;
    overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
  }

  /* 栏目推荐 - 复用 column.css cat-list */
  .tag-side-card .cat-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
  .tag-side-card .cat-list li a{
    display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:10px;transition:.2s;
  }
  .tag-side-card .cat-list li a:hover{background:var(--cream);transform:translateX(4px)}
  .tag-side-card .cat-list strong{color:var(--navy-900);font-size:14px;font-family:-apple-system,"PingFang SC",sans-serif}
  .tag-side-card .cat-list span{color:var(--muted);font-size:12px;font-family:-apple-system,"PingFang SC",sans-serif}

  /* ===== 底部 SEO 文案 ===== */
  .tag-seo-copy{
    background:var(--paper);border-top:1px solid var(--line);padding:48px 0;
  }
  .tag-seo-copy .copy-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:24px;
  }
  .tag-seo-copy .copy-card{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 26px;
    box-shadow:0 8px 22px rgba(13,27,46,.04);
  }
  .tag-seo-copy .copy-card h3{
    margin:0 0 12px;font-size:18px;color:var(--navy-900);
    font-family:Georgia,"Songti SC",serif;letter-spacing:.2px;
  }
  .tag-seo-copy .copy-card p{
    margin:0 0 10px;color:var(--ink);font-size:14px;line-height:1.85;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .tag-seo-copy .copy-card p:last-child{margin-bottom:0}

  /* ===== 字母索引（A-Z 快速跳转） ===== */
  .alpha-index{
    display:flex;flex-wrap:wrap;gap:4px;padding:14px 16px;background:#fff;
    border:1px solid var(--line);border-radius:14px;margin-bottom:32px;
    box-shadow:0 8px 22px rgba(13,27,46,.05);position:sticky;top:84px;z-index:20;
  }
  .alpha-index .alpha-label{
    font-size:12px;color:var(--muted);font-family:-apple-system,"PingFang SC",sans-serif;
    margin-right:8px;align-self:center;font-weight:600;
  }
  .alpha-index a{
    width:28px;height:28px;display:grid;place-items:center;border-radius:6px;
    font-size:12px;font-weight:700;color:var(--navy-800);
    font-family:Georgia,serif;transition:.2s;border:1px solid transparent;
  }
  .alpha-index a:hover{background:var(--cream);color:var(--gold-700);border-color:var(--gold-400)}
  .alpha-index a.is-disabled{color:var(--line);cursor:not-allowed}
  .alpha-index a.is-active{background:linear-gradient(135deg,var(--navy-800),var(--navy-600));color:#fff;border-color:var(--gold-500)}

  /* ===== 防溢出：grid/flex item 允许收缩，长英文连续串可断行 ===== */
  .tag-body-grid>*{min-width:0}
  /* 侧栏卡片防撑宽：移动端卡片是 flex item（flex:1 1 100%），
     min-width:auto 会被内容 min-content（二维码图/长号码/长标题）顶开超出视口，
     卡片一旦超宽，内部热榜等截断规则的参照系随之超宽，视觉即"文字未隐藏" */
  .tag-side-card{min-width:0;max-width:100%}
  .tag-qr-card .qr-wrap img{max-width:100%;height:auto}
  .tag-side-card .contact-list li b{min-width:0;overflow-wrap:anywhere}
  .tag-article-list .article-card,.tag-article-list .article-main-link{min-width:0}
  .tag-article-list .article-thumb img{max-width:100%}
  .tag-article-list .article-title,.tag-article-list .article-excerpt,
  .tag-hot-list li a,.tag-hero .lead{overflow-wrap:anywhere}
  .tag-article-list .article-title.is-ellipsis{max-width:100%}
  .tag-article-list .card-tags a,.tag-related-cloud a{max-width:100%;min-width:0}
  .tag-intro .rich-text{overflow-wrap:anywhere}
  .tag-intro .rich-text img{max-width:100%;height:auto}
  .tag-intro .rich-text figure{margin:24px 0}
  .tag-intro .rich-text figure img{
    width:100%;height:auto;border-radius:14px;border:1px solid var(--line);
    box-shadow:0 12px 30px rgba(13,27,46,.08);
  }
  .tag-intro .rich-text figcaption{
    margin-top:10px;text-align:center;font-size:13px;color:var(--muted);
  }
  .tag-intro .rich-text pre{max-width:100%;overflow:auto}

  /* ===== 响应式 ===== */
  @media (max-width:1040px){
    .tag-body-grid{grid-template-columns:1fr;gap:30px}
    .tag-sidebar{position:static;flex-direction:row;flex-wrap:wrap;gap:14px}
    .tag-side-card{flex:1 1 280px}
    .tag-seo-copy .copy-grid{grid-template-columns:1fr}
    .alpha-index{position:static}
    .tag-hero-inner{grid-template-columns:1fr;gap:28px}
    .tag-hero-aside{max-width:380px;margin:0 auto;width:100%}
  }
  @media (max-width:720px){
    .tag-hero{padding:48px 0 40px}
    .tag-hero-aside .aside-card{padding:18px}
    .tag-groups-section{padding:40px 0 48px}
    .tag-group{padding:22px 18px}
    .tag-group-head h2{font-size:19px}
    .tag-tiles{grid-template-columns:1fr 1fr}
    .tag-tile.is-large{grid-column:span 2}
    .tag-hotboard{padding:28px 22px}
    .tag-hotboard .hot-intro h2{font-size:22px}
    .tag-row{flex-wrap:wrap;padding:14px 16px;gap:10px}
    .tag-row .row-main{flex:1 1 100%}
    .tag-row .row-time{align-self:flex-start;margin-left:auto;border-left:none;padding-left:0}
    .tag-article-list .article-card{grid-template-columns:1fr;gap:0}
    .tag-article-list .article-thumb{min-height:160px}
    .tag-article-list .article-body{padding:14px 16px 14px}
    .tag-article-list .article-title{font-size:17px}
    .tag-side-card{flex:1 1 100%}
    /* 热门阅读：移动端强制单行省略，防止长标题撑宽 */
    .tag-hot-list li{overflow:hidden}
    .tag-hot-list li a.is-ellipsis{
      flex:1 1 auto;min-width:0;max-width:100%;display:block;
      overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
    }
    .alpha-index{padding:10px 12px}
    .alpha-index a{width:24px;height:24px;font-size:11px}
  }
  @media (max-width:480px){
    .tag-hero h1{font-size:24px}
    .tag-tiles{grid-template-columns:1fr}
    .tag-tile.is-large{grid-column:span 1}
    .tag-hero-stats{gap:20px}
    .tag-hero-stats .stat b{font-size:22px}
  }