/* ============================================================
   UKAssignment - 写手团队页样式
   配色：藏青 + 古铜金  |  写手卡片 / 学科筛选 / 匹配流程
   引用：<link rel="stylesheet" href="/skin/css/writers.css">
   ============================================================ */

  /* ===== 面包屑 ===== */
  .breadcrumb{background:var(--paper);border-bottom:1px solid var(--line);padding:14px 0;font-family:-apple-system,"PingFang SC",sans-serif;font-size:13px;color:var(--muted)}
  .breadcrumb .wrap{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .breadcrumb a{color:var(--navy-700);transition:color .2s}
  .breadcrumb a:hover{color:var(--gold-700)}
  .breadcrumb .sep{color:var(--gold-500);opacity:.6}
  .breadcrumb [aria-current="page"]{color:var(--navy-900);font-weight:600}

  /* ===== Hero（左右结构，复用 column-hero 体系） ===== */
  .column-hero{
    position:relative;overflow:hidden;color:#fff;
    background:linear-gradient(135deg,var(--navy-950) 0%,var(--navy-800) 55%,var(--navy-700) 100%);
    padding:64px 0 56px;
  }
  .column-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% 78%,rgba(201,169,97,.14),transparent 32%);
  }
  .column-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);
  }
  .column-hero-inner{
    position:relative;z-index:1;
    display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:center;
  }
  .hero-main{min-width:0}
  .column-hero .eyebrow{
    display:inline-flex;align-items:center;gap:9px;padding:8px 16px;margin-bottom:18px;
    border:1px solid rgba(220,194,138,.4);border-radius:999px;background:rgba(220,194,138,.1);
    color:var(--gold-300);font-weight:600;font-size:13px;letter-spacing:1px;text-transform:uppercase;
    font-family:-apple-system,sans-serif;
  }
  .column-hero h1{
    margin:0;font-size:clamp(30px,4.2vw,48px);line-height:1.18;letter-spacing:-.6px;
    font-family:Georgia,"Songti SC",serif;
  }
  .column-hero .lead{
    color:#cdd6e3;font-size:16px;margin:18px 0 0;max-width:680px;
    font-family:-apple-system,"PingFang SC",sans-serif;line-height:1.85;
  }
  .column-stats{
    margin-top:30px;display:flex;gap:36px;flex-wrap:wrap;
    padding-top:24px;border-top:1px solid rgba(220,194,138,.22);
  }
  .column-stats .stat{display:flex;flex-direction:column;gap:4px}
  .column-stats .stat b{color:var(--gold-400);font-size:30px;line-height:1;font-family:Georgia,serif;letter-spacing:.5px}
  .column-stats .stat span{color:#aeb8c6;font-size:13px;font-family:-apple-system,"PingFang SC",sans-serif}

  /* hero 右侧二维码卡 */
  .hero-aside{position:relative;z-index:1}
  .aside-card{
    background:rgba(251,249,243,.97);color:var(--ink);
    border-radius:20px;padding:24px;
    border:1px solid rgba(220,194,138,.5);
    box-shadow:0 24px 60px rgba(13,27,46,.35);position:relative;
  }
  .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%);
  }
  .qr-head{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    position:relative;z-index:1;margin-bottom:4px;
  }
  .aside-card > p,.aside-card .qr-head + p{
    margin:0 0 14px;color:var(--muted);font-size:13px;
    font-family:-apple-system,"PingFang SC",sans-serif;position:relative;z-index:1;
  }
  .aside-qr h2{
    margin:0;font-size:20px;color:var(--navy-900);
    font-family:Georgia,"Songti SC",serif;letter-spacing:.3px;
  }
  .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;
  }
  .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 10px 24px rgba(13,27,46,.08);transition:transform .3s,border-color .3s;
  }
  .qr-wrap:hover{transform:translateY(-4px);border-color:var(--gold-400)}
  .qr-wrap img{display:block;width:100%;height:100%;object-fit:contain;border-radius:6px}
  .qr-wrap::after{
    content:"";position:absolute;inset:-5px;border-radius:16px;pointer-events:none;
    border:1px dashed rgba(176,141,87,.4);
  }
  .qr-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;z-index:1;margin:0 auto 14px;
  }
  .qr-item{display:flex;flex-direction:column;align-items:center;gap:8px}
  .qr-name{
    font-size:12px;font-weight:600;color:var(--navy-700);letter-spacing:.3px;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .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;
  }
  .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;
  }
  .qr-contacts .qr-label{color:var(--muted);font-size:12px;flex:none;width:42px}
  .qr-contacts b{color:var(--navy-900);font-weight:600;letter-spacing:.2px}
  .aside-cta{display:flex;align-items:center;justify-content:center;width:100%;margin-top:0;position:relative;z-index:1}

  /* ===== 学科筛选条 ===== */
  .filter-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:36px}
  .filter-tab{
    padding:10px 20px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--navy-800);
    font-family:-apple-system,"PingFang SC",sans-serif;font-weight:600;font-size:14px;cursor:pointer;
    transition:.25s;white-space:nowrap;
  }
  .filter-tab:hover{border-color:var(--gold-400);color:var(--gold-700);background:rgba(176,141,87,.06)}
  .filter-tab.is-active{
    background:linear-gradient(135deg,var(--navy-800),var(--navy-600));color:#fff;border-color:var(--gold-500);
    box-shadow:var(--shadow-gold);
  }

  /* ===== 写手卡片网格 ===== */
  .writers-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .writer-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
    box-shadow:0 14px 40px rgba(13,27,46,.07);transition:transform .35s,box-shadow .35s,border-color .35s;
    display:flex;flex-direction:column;position:relative;
  }
  .writer-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--gold-600),var(--gold-400));transform:scaleX(0);transform-origin:left;transition:transform .35s;z-index:2}
  .writer-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--gold-400)}
  .writer-card:hover::before{transform:scaleX(1)}
  .writer-card.is-hidden{display:none}

  .writer-photo{position:relative;aspect-ratio:1;overflow:hidden;background:linear-gradient(145deg,var(--navy-800),var(--navy-600))}
  .writer-photo img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s,filter .4s}
  .writer-card:hover .writer-photo img{transform:scale(1.08);filter:saturate(1.1)}
  .writer-badge{
    position:absolute;top:12px;right:12px;background:rgba(13,27,46,.85);color:var(--gold-300);
    padding:5px 11px;border-radius:999px;font-size:12px;font-weight:700;font-family:Georgia,serif;
    border:1px solid rgba(220,194,138,.4);backdrop-filter:blur(6px);
  }

  .writer-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
  .writer-body h3{margin:0;color:var(--navy-900);font-family:Georgia,serif;font-size:20px;line-height:1.2}
  .writer-title{margin:0;color:var(--gold-700);font-size:13px;font-weight:600;font-family:-apple-system,"PingFang SC",sans-serif}
  .writer-bio{margin:0;color:var(--muted);font-size:13px;font-family:-apple-system,"PingFang SC",sans-serif;line-height:1.7;flex:1}

  .writer-fields{display:flex;flex-direction:column;gap:6px}
  .wf-label{font-size:11px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;font-family:-apple-system,sans-serif;font-weight:700}
  .writer-fields .tag-row{display:flex;flex-wrap:wrap;gap:6px;margin:0}
  .writer-fields .tag{font-size:11px;background:var(--cream);color:var(--gold-700);padding:4px 9px;border-radius:999px;font-weight:600;border:1px solid var(--line);font-family:-apple-system,sans-serif}

  .writer-meta{display:flex;justify-content:space-between;gap:8px;padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);font-family:-apple-system,"PingFang SC",sans-serif}
  .writer-meta b{color:var(--navy-900);font-family:Georgia,serif}

  /* ===== 空状态 ===== */
  .empty-state{max-width:480px;margin:30px auto 0;text-align:center;color:var(--muted);font-family:-apple-system,"PingFang SC",sans-serif}
  .empty-icon{font-size:48px;color:var(--gold-500);margin-bottom:10px}
  .empty-state a{color:var(--gold-700);font-weight:700}

  /* ===== 详情介绍（栏目内容字段） ===== */
  .writers-intro{padding:56px 0 60px;background:var(--paper)}
  .writers-intro .section-head{margin-bottom:30px}
  .writers-intro .rich-text{
    font-family:-apple-system,"PingFang SC",sans-serif;color:var(--ink);
    font-size:15px;line-height:1.9;
  }
  .writers-intro .rich-text p{margin:0 0 18px}
  .writers-intro .rich-text h3{
    margin:30px 0 14px;font-size:19px;color:var(--navy-900);
    font-family:Georgia,"Songti SC",serif;letter-spacing:.3px;
    padding-left:12px;border-left:3px solid var(--gold-500);
  }
  .writers-intro .rich-text ul,.writers-intro .rich-text ol{margin:0 0 18px;padding-left:22px}
  .writers-intro .rich-text li{margin:8px 0;line-height:1.8}
  .writers-intro .rich-text strong{color:var(--navy-900);font-weight:600}
  .writers-intro .rich-text em{color:var(--gold-700);font-style:italic}
  .writers-intro .rich-text blockquote{
    margin:20px 0;padding:16px 20px;background:#fff;border-radius:12px;
    border-left:4px solid var(--gold-500);color:var(--navy-800);
    box-shadow:0 8px 22px rgba(13,27,46,.06);font-size:14px;line-height:1.85;
  }
  .writers-intro .rich-text blockquote strong{color:var(--gold-700)}
  .writers-intro .rich-text figure{margin:24px 0}
  .writers-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);
  }
  .writers-intro .rich-text figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--muted)}

  /* ===== 响应式 ===== */
  @media (max-width:1180px){
    .writers-grid{grid-template-columns:repeat(3,1fr)}
  }
  @media (max-width:1040px){
    .column-hero-inner{grid-template-columns:1fr;gap:28px}
    .hero-aside{order:2}
    .writers-grid{grid-template-columns:repeat(2,1fr)}
  }
  @media (max-width:720px){
    .column-hero{padding:48px 0 40px}
    .column-hero .lead{font-size:15px}
    .column-stats{gap:20px}
    .column-stats .stat b{font-size:24px}
    .aside-card{padding:20px}
    .filter-tab{padding:8px 16px;font-size:13px}
    .writer-body{padding:16px}
    .writer-body h3{font-size:18px}
    .writers-intro{padding:40px 0 44px}
    .writers-intro .rich-text{font-size:14px;line-height:1.85}
    .writers-intro .rich-text h3{font-size:17px;margin:24px 0 12px}
    .writers-intro .rich-text blockquote{padding:14px 16px;font-size:13px}
  }
  @media (max-width:480px){
    .column-hero h1{font-size:26px}
    .writers-grid{grid-template-columns:1fr}
  }