:root{
  --bg:#fbf8f8;
  --panel:#ffffff;
  --line:#f1e9e9;
  --ink:#1f2937;
  --sub:#6b7280;
  --accent:#d93b43;
  --accent-dark:#b92c33;
  --accent-weak:#fef0f1;
  --red:#d93b43;
  --amber:#d97706;
  --green:#16a34a;
}
  *{box-sizing:border-box;margin:0;padding:0}
  html,body{height:100%}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    background:#fbf8f857; color:var(--ink); line-height:1.5; -webkit-font-smoothing:antialiased;
  }
  button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
  /* ===== 顶部栏 ===== */
  .topbar{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 22px;background:var(--panel);border-bottom:1px solid var(--line);
    position:sticky;top:0;z-index:20;
  }
  .brand{display:flex;align-items:center;gap:10px}
  .brand .logo{
    width:34px;height:34px;border-radius:9px;background:var(--accent);
    display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  }
  .brand .name{font-size:18px;font-weight:800;letter-spacing:.2px}
  .brand .tag{font-size:12px;color:var(--sub);margin-left:2px}
  .topbar .actions{display:flex;gap:10px;align-items:center}
  .btn{
    padding:9px 16px;border-radius:9px;font-size:14px;font-weight:600;
    transition:background .15s,color .15s,opacity .15s;border:1px solid var(--line);
  }
  .btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
  .btn.primary:hover{background:var(--accent-dark)}
  .btn.primary:disabled{opacity:.45;cursor:not-allowed}
  .btn.ghost{color:var(--sub);background:var(--panel)}
  .btn.ghost:hover{background:#eef2f7;color:var(--ink)}
  .btn.small{padding:6px 11px;font-size:13px;border-radius:7px}
  /* ===== 主体 ===== */
  .wrap{max-width:1080px;margin:0 auto;padding:78px 22px 48px}
  .hero{text-align:center;padding:18px 0 26px}
  .hero h1{font-size:32px;font-weight:800;letter-spacing:.3px}
  .hero p{color:var(--sub);margin-top:8px;font-size:15px;max-width:640px;margin-left:auto;margin-right:auto}
  .hero .hint{display:inline-flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px}
  .chip{
    font-size:12.5px;color:var(--sub);background:#fff;border:1px solid var(--line);
    border-radius:999px;padding:5px 12px;
  }
  .chip b{color:#999;font-weight:700}
  /* 拖拽区 */
  .drop{
    border:2px dashed #b9c6d6;border-radius:16px;background:#fff;
    padding:46px 24px;text-align:center;transition:border-color .15s,background .15s;
  }
  .drop.dragover{border-color:var(--accent);background:var(--accent-weak)}
  .drop .icon{width:52px;height:52px;margin:0 auto 12px;color:var(--accent)}
  .drop .t1{font-size:16px;font-weight:700}
  .drop .t2{color:var(--sub);font-size:13.5px;margin-top:6px}
  .drop .pick{color:var(--accent);font-weight:700;text-decoration:underline;cursor:pointer}
  .drop .limit{margin-top:14px;font-size:12px;color:var(--sub)}
  /* 模式选择框【新增】 */
  .mode-select{
    display:flex;gap:12px;padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;margin-top:18px;flex-wrap:wrap;
  }
  .mode-item{
    display:flex;align-items:center;gap:6px;font-size:14px;color:var(--ink);cursor:pointer;padding:6px 10px;border-radius:8px;border:1px solid var(--line);
  }
  .mode-item.active{background:var(--accent-weak);border-color:var(--accent);color:var(--accent-dark)}
  .mode-item input{accent-color:var(--accent)}
  /* 设置条 */
  .settings{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    background:var(--panel);border:1px solid var(--line);border-radius:12px;
    padding:14px 18px;margin-top:18px;
  }
  .settings .sl{display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--sub)}
  .settings input[type=range]{width:180px;accent-color:var(--accent)}
  .settings .val{font-weight:700;color:var(--accent-dark);min-width:44px}
  .settings .stat{font-size:13px;color:var(--sub)}
  .settings .stat b{color:var(--ink)}
  /* 文件列表 */
  .files{margin-top:18px;display:flex;flex-direction:column;gap:10px}
  .fitem{
    display:flex;align-items:center;gap:12px;background:var(--panel);
    border:1px solid var(--line);border-radius:11px;padding:9px 12px;
  }
  .fitem .thumb{width:44px;height:44px;border-radius:8px;object-fit:cover;background:#eef2f7;flex:0 0 auto;border:1px solid var(--line)}
  .fitem .thumb.ph{display:flex;align-items:center;justify-content:center;color:var(--sub);font-size:10px;background:var(--accent-weak);border:1px solid #bfe9e2}
  .fitem .meta{flex:1;min-width:0}
  .fitem .meta .nm{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .fitem .meta .ds{font-size:12px;color:var(--sub)}
  .fitem .badge{font-size:11px;padding:3px 8px;border-radius:999px;font-weight:600;flex:0 0 auto}
  .badge.img{background:var(--accent-weak);color:var(--accent-dark)}
  .badge.pdf{background:#fff3e0;color:#c2410c}
  .badge.doc{background:#e0f2fe;color:#0369a1}
  .badge.ai{background:#fef3c7;color:#92400e}
  .badge.real{background:#dcfce7;color:#166534}
  .badge.maybeai{background:#fff7ed;color:#c2410c}
  .fitem .rm{color:#9aa7b8;padding:4px 6px;border-radius:6px;flex:0 0 auto}
  .fitem .rm:hover{color:var(--red);background:#fdeaea}
  .files .empty{color:var(--sub);text-align:center;font-size:13px;padding:10px}
  /* 进度 */
  .progress{display:none;margin-top:18px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
  .progress .bar{height:8px;background:#e7edf4;border-radius:999px;overflow:hidden}
  .progress .bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
  .progress .txt{font-size:13px;color:var(--sub);margin-top:10px}
  /* ===== 报告视图 ===== */
  .report{display:none}
  .report-head{
    display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
    border-bottom:1px solid var(--line);padding:0 0 16px;
  }
  .report-logo{display:flex;align-items:center;gap:8px;justify-content:flex-end;flex:0 0 auto}
  .report-logo .logo{width:26px;height:26px;border-radius:7px;background:var(--accent);display:flex;align-items:center;justify-content:center}
  .report-logo .nm{font-size:16px;font-weight:800;letter-spacing:.3px}
  .report-logo .sc{font-size:11px;color:var(--sub);text-align:right}
  .report-meta{flex:1;min-width:0}
  .report-meta h2{font-size:20px;font-weight:800}
  .report-meta .when{font-size:12.5px;color:var(--sub);margin-top:4px}
  /* 概览卡 */
  .kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}
  .kpi{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
  .kpi .k{font-size:12.5px;color:var(--sub)}
  .kpi .v{font-size:26px;font-weight:800;margin-top:4px}
  .kpi .v.dup{color:var(--red)}
  .kpi .v.ok{color:var(--green)}
  .kpi .v.warn{color:var(--amber)}
  .kpi .sub{font-size:11.5px;color:var(--sub);margin-top:2px}
  /* AI识别分组卡片 */
  .ai-group{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-bottom:16px;overflow:hidden}
  .ai-group .ghead{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 18px;border-bottom:1px solid var(--line);background:#fbfcfe}
  .ai-group .ghead .gt{font-weight:800;font-size:15px}
  .ai-group .ghead .gt span{color:var(--red)}
  .ai-group .ghead .cnt{font-size:12.5px;color:var(--sub)}
  .ai-group .ghead .cnt b{color:var(--ink)}
  .ai-group .memstrip{display:flex;gap:10px;overflow-x:auto;padding:14px 18px;border-bottom:1px solid var(--line)}
  .ai-group .memstrip .m{flex:0 0 auto;width:84px;text-align:center}
  .ai-group .memstrip .m img{width:84px;height:84px;object-fit:cover;border-radius:9px;border:1px solid var(--line)}
  .ai-group .memstrip .m .mn{font-size:10.5px;color:var(--sub);margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .ai-group .memstrip .m .ai-tag{font-size:10px;margin-top:2px;padding:2px 4px;border-radius:4px;display:inline-block}
  /* 分组卡片 */
  .group{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-bottom:16px;overflow:hidden}
  .group .ghead{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 18px;border-bottom:1px solid var(--line);background:#fbfcfe}
  .group .ghead .gt{font-weight:800;font-size:15px}
  .group .ghead .gt span{color:var(--red)}
  .group .ghead .cnt{font-size:12.5px;color:var(--sub)}
  .group .ghead .cnt b{color:var(--ink)}
  .group .memstrip{display:flex;gap:10px;overflow-x:auto;padding:14px 18px;border-bottom:1px solid var(--line)}
  .group .memstrip .m{flex:0 0 auto;width:84px;text-align:center}
  .group .memstrip .m img{width:84px;height:84px;object-fit:cover;border-radius:9px;border:1px solid var(--line)}
  .group .memstrip .m .mn{font-size:10.5px;color:var(--sub);margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .pair{padding:14px 18px;border-bottom:1px solid var(--line)}
  .pair:last-child{border-bottom:none}
  .pair .prow{display:flex;align-items:center;gap:14px}
  .pair .pimg{width:150px;height:96px;object-fit:cover;border-radius:9px;border:1px solid var(--line);background:#eef2f7;flex:0 0 auto}
  .pair .pimg.ph{display:flex;align-items:center;justify-content:center;color:var(--sub);font-size:11px;background:var(--accent-weak)}
  .pair .pmid{flex:1;min-width:0}
  .pair .pname{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .pair .psim{display:flex;align-items:center;gap:8px;margin-top:6px;flex-wrap:wrap}
  .sim-badge{font-size:12.5px;font-weight:800;padding:3px 10px;border-radius:999px}
  .sim-badge.high{background:#ffe4e6;color:var(--red)}
  .sim-badge.mid{background:#fef3c7;color:var(--amber)}
  .sim-badge.low{background:#e0f2fe;color:#0369a1}
  .pair .ptype{font-size:11px;color:var(--sub);border:1px solid var(--line);padding:2px 8px;border-radius:999px}
  .pair .pdesc{font-size:12.5px;color:var(--sub);margin-top:8px;line-height:1.6}
  .pair .pdesc b{color:var(--ink)}
  .locate-btn{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:12.5px;font-weight:600;color:var(--accent-dark);background:var(--accent-weak);border:1px solid #bfe9e2;padding:6px 12px;border-radius:8px}
  .locate-btn:hover{background:#d4f1ec}
  .locate-panel{display:none;margin-top:12px;border:1px solid var(--line);border-radius:11px;background:#fbfcfe;padding:12px}
  .locate-panel .cap{font-size:12.5px;color:var(--sub);margin-bottom:9px}
  .locate-panel canvas{max-width:100%;height:auto;border-radius:8px;display:block}
  /* 无重复 */
  .allclean{
    background:var(--panel);border:1px solid var(--line);border-radius:14px;
    padding:44px 20px;text-align:center;
  }
  .allclean .ico{width:46px;height:46px;margin:0 auto 12px;color:var(--green)}
  .allclean h3{font-size:17px;font-weight:800}
  .allclean p{color:var(--sub);font-size:13.5px;margin-top:6px}
  .notice{
    margin-top:20px;background:#fff7ed;border:1px solid #fde0c0;border-radius:12px;
    padding:14px 18px;font-size:12.5px;color:#9a5b13;line-height:1.7;
  }
  .notice b{color:#c2410c}
  /* 打印 */
  @media print{
    body{background:#fff}
    .topbar,.no-print,.hero,.settings,.files,.mode-select{display:none!important}
    .report{display:block!important}
    .report .pair{page-break-inside:avoid}
    .locate-btn{display:none!important}
    .locate-panel{display:none!important}
  }
  @media (max-width:720px){
    .kpis{grid-template-columns:repeat(2,1fr)}
    .pair .pimg{width:110px;height:74px}
    .hero h1{font-size:22px}
    .wrap{padding:20px 14px 40px}
  }
  
  
  
/*=====底部版权备案=====*/
.footer{
  margin-top:40px;
  padding:24px 22px;
  border-top:1px solid var(--line);
  background:#fff;
  font-size:13px;
  color:var(--sub);
  text-align:center;
}
.footer a{
  color:var(--sub);
  text-decoration:none;
}
.footer a:hover{
  color:var(--accent-dark);
}
/* ===== 顶部导航链接（新增） ===== */
.topbar-links{
  display:flex;
  align-items:center;
  gap:30px;
  margin-left:auto;
  margin-right:60px;
}
.topbar-link{
  position:relative;
  display:inline-flex;
  align-items:flex-start;
  font-size:15.5px;
  font-weight:700;
  color:var(--accent);
  text-decoration:none;
  white-space:nowrap;
  padding:4px 6px 4px 4px;
}
.badge{
  position:absolute;
  top:-8px;
  right:-18px;
  font-size:11px;
  line-height:1;
  border-radius:999px;
  padding:3px 7px;
  color:#fff;
  white-space:nowrap;
}
.badge.sale{
  background:linear-gradient(135deg,#ff9533,#ff6a1f);
}
.badge.hot{
  background:linear-gradient(135deg,#ff5522,#ff3311);
}
@media (max-width: 920px) {
  .topbar-links{
    display:none;
  }
}

a.btn {
  text-decoration: none !important;
}




/* ==================== 11. 悬浮客服 ==================== */
.float-customer-service {
    position: fixed;
    right: 22px;
    bottom: 22px;
    background: var(--accent);
    padding: 10px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 3px 14px rgba(3, 183, 82, 0.4);
    cursor: pointer;
    z-index: 999;
    transition: var(--transition);
}
.float-customer-service a {
    color: #fff !important;
    text-decoration: none !important;
}
.float-customer-service:hover {
    opacity: 0.9;
    transform: scale(1.03);
}

/* 悬浮客服原有样式不变 */
.float-customer-service {
    position: fixed;
    right: 22px;
    bottom: 22px;
    background: var(--accent);
    padding: 10px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 3px 14px rgba(3, 183, 82, 0.4);
    cursor: pointer;
    z-index: 999;
    transition: var(--transition);
}
.float-customer-service a {
    color: #fff !important;
    text-decoration: none !important;
}
.float-customer-service:hover {
    opacity: 0.9;
    transform: scale(1.03);
}

/* ==========新增二维码弹窗样式========== */
.qrcode-popup {
    display: none;
    position: absolute;
    bottom: 60px;
    right: 0;
    background: #fff;
    padding: 14px;
    border-radius: 10px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.2);
    z-index: 10000;
}
.qrcode-popup img {
    width: 170px;
    height: 170px;
    display: block;
}
.qrcode-close {
    position: absolute;
    top: 4px;
    right: 8px;
    font-size: 17px;
    cursor: pointer;
    color:#555;
}
.qrcode-popup.show {
    display: block;
}