/* ============================================================
   KnowAI 后台样式 v4（明亮版）
   ============================================================ */
:root{
  --bg:#f4f7fc;--bg-soft:#eef3fb;--panel:#ffffff;--panel-2:#f8fbff;
  --line:#e5ecf7;--line-2:#d5e0f0;
  --txt:#0e1b2e;--muted:#54658a;--muted-2:#8494b2;
  --pri:#2563eb;--pri2:#0891b2;--gold:#a9741f;
  --grad:linear-gradient(115deg,#2563eb,#0ea5e9 60%,#06b6d4);
  --ok:#0f9d6e;--bad:#dc2626;
  --r:16px;--shadow:0 16px 44px rgba(24,49,94,.10);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
body.admin-body{background:var(--bg);color:var(--txt);
  font-family:"Inter","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:14.5px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:.2s}
b{color:inherit}
img{max-width:100%}
::selection{background:rgba(37,99,235,.16)}
.ico{flex:none;vertical-align:-3px}

/* ---------- 登录页 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(760px 440px at 72% 6%,rgba(37,99,235,.16),transparent),
             radial-gradient(560px 340px at 16% 88%,rgba(6,182,212,.14),transparent),var(--bg)}
.login-card{width:400px;background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:44px 40px;box-shadow:var(--shadow)}
.login-logo{width:52px;height:52px;border-radius:15px;background:var(--grad);margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;color:#fff}
.login-card h1{font-size:22px;text-align:center;letter-spacing:.5px}
.login-card .sub{text-align:center;color:var(--muted);font-size:13px;margin:8px 0 30px}
.login-err{background:#fef2f2;border:1px solid rgba(220,38,38,.24);color:var(--bad);
  border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:16px;text-align:center}
.login-card .fi{margin-bottom:16px}
.login-card .btn{width:100%;justify-content:center;padding:13px;font-size:15px}

/* ---------- 布局 ---------- */
.admin-side{position:fixed;left:0;top:0;bottom:0;width:232px;background:#fff;
  border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:20;transition:.25s}
.side-logo{padding:22px 22px 18px;font-size:20px;border-bottom:1px solid var(--line);letter-spacing:.3px}
.side-logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.side-logo span{color:var(--muted-2);font-size:11px;margin-left:8px;letter-spacing:1px}
.admin-side nav{flex:1;padding:12px 12px 16px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}
.nav-group{font-size:10.5px;letter-spacing:2px;color:var(--muted-2);text-transform:uppercase;
  padding:16px 12px 6px}
.admin-side nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  color:var(--muted);font-size:14px;position:relative}
.admin-side nav a .ico{color:var(--muted-2)}
.admin-side nav a:hover{color:var(--pri);background:rgba(37,99,235,.06)}
.admin-side nav a:hover .ico{color:var(--pri)}
.admin-side nav a.on{color:var(--pri);background:linear-gradient(120deg,rgba(37,99,235,.10),rgba(6,182,212,.06));
  box-shadow:inset 2px 0 0 var(--pri);font-weight:600}
.admin-side nav a.on .ico{color:var(--pri)}
.dot{position:absolute;right:12px;background:var(--bad);color:#fff;font-size:10px;font-style:normal;
  border-radius:999px;padding:1px 7px}
.side-foot{padding:14px 18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:12.5px}
.side-foot a{color:var(--muted);display:inline-flex;align-items:center;gap:5px}
.side-foot a:hover{color:var(--pri)}

.admin-body-in{margin-left:232px;transition:.25s;min-height:100vh;display:flex;flex-direction:column}
.admin-topbar{position:sticky;top:0;z-index:15;display:flex;align-items:center;gap:16px;height:58px;
  padding:0 28px;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar-btn{background:#fff;border:1px solid var(--line-2);color:var(--muted);border-radius:9px;
  padding:4px 11px;cursor:pointer;font-size:14px}
.topbar-btn:hover{color:var(--pri);border-color:rgba(37,99,235,.45)}
.topbar-crumb{font-size:13px;color:var(--muted)}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.admin-user{font-size:13px;color:var(--muted);padding:4px 12px;border:1px solid var(--line);border-radius:999px;background:#fbfdff}
.admin-main{flex:1;padding:28px;max-width:1280px;width:100%}
.admin-foot{margin-top:40px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted-2)}
body.side-collapsed .admin-side{left:-232px}
body.side-collapsed .admin-body-in{margin-left:0}

.flash{background:#ecfdf5;border:1px solid rgba(15,157,110,.28);color:var(--ok);
  border-radius:12px;padding:12px 18px;margin-bottom:22px;font-size:14px}

/* ---------- 组件 ---------- */
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:12px}
.page-head h1{font-size:21px;letter-spacing:-.2px}
.page-head .desc{font-size:13px;color:var(--muted);margin-top:4px}
.page-head .acts{display:flex;gap:10px;flex-wrap:wrap}
.page-head h1 small{font-size:13px;color:var(--muted);font-weight:400}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:10px;padding:9px 18px;
  font-size:13.5px;cursor:pointer;border:1px solid var(--line-2);background:#fff;color:var(--txt);transition:.2s}
.btn:hover{border-color:rgba(37,99,235,.5);color:var(--pri);background:#f7faff}
.btn.primary{background:var(--grad);border:0;color:#fff;font-weight:700}
.btn.primary:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(37,99,235,.28);color:#fff}
.btn.danger{color:var(--bad);border-color:rgba(220,38,38,.28);background:#fff}
.btn.danger:hover{background:#fef2f2;color:var(--bad)}
.btn.sm{padding:5px 12px;font-size:12.5px;border-radius:8px}
.btn.w100{width:100%}

.card-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:24px;margin-bottom:20px;box-shadow:0 4px 16px rgba(24,49,94,.04)}
.panel-title{font-size:15.5px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.panel-title .ico{color:var(--pri)}
.panel-title small{font-weight:400;color:var(--muted-2);font-size:12.5px}

/* 统计卡 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.stat{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:22px;overflow:hidden;transition:.25s;box-shadow:0 4px 16px rgba(24,49,94,.04)}
.stat:hover{border-color:rgba(37,99,235,.28);transform:translateY(-2px);box-shadow:var(--shadow)}
.stat .num{font-size:32px;font-weight:800;letter-spacing:-.5px;
  background:linear-gradient(120deg,#0e1b2e,#2f6bff);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums}
.stat .lbl{color:var(--muted);font-size:12.5px;margin-top:4px}
.stat .ico{position:absolute;right:18px;top:18px;color:rgba(37,99,235,.22)}
.stat.gold .num{background:linear-gradient(120deg,#0e1b2e,#b98a2e);-webkit-background-clip:text;background-clip:text}

/* 快捷操作 */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.quick{display:flex;flex-direction:column;gap:6px;align-items:flex-start;padding:18px;border-radius:14px;
  border:1px solid var(--line);background:#fbfdff;transition:.2s}
.quick:hover{border-color:rgba(37,99,235,.35);transform:translateY(-2px);background:#f5f9ff}
.quick .ico{color:var(--pri)}
.quick b{font-size:14px}
.quick span{font-size:12px;color:var(--muted-2)}

/* 收录体检 */
.seo-check{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.seo-item{border:1px solid var(--line);border-radius:14px;padding:18px;background:#fbfdff}
.seo-item .st{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;margin-bottom:6px}
.seo-item .st i{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:none}
.seo-item p{font-size:12.5px;color:var(--muted)}
.seo-item a{font-size:12.5px;color:var(--pri)}

/* 表格 */
.tbl-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;color:var(--muted-2);font-weight:500;font-size:12.5px;padding:11px 14px;
  border-bottom:1px solid var(--line-2);white-space:nowrap;background:#fafcff}
.tbl td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr:hover td{background:#f8fbff}
.tbl .title-cell{max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tbl .num-cell{font-variant-numeric:tabular-nums}
.tag{display:inline-block;padding:2px 10px;border-radius:999px;font-size:11.5px;border:1px solid var(--line);color:var(--muted);background:#fbfdff}
.tag.on{color:var(--ok);border-color:rgba(15,157,110,.3);background:#f0fdf7}
.tag.off{color:var(--muted-2)}
.tag.top{color:var(--pri);border-color:rgba(37,99,235,.28);background:#f3f8ff}
.tag.gold{color:var(--gold);border-color:rgba(169,116,31,.28);background:#fdf8ee}

/* 工具条 */
.toolbar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;align-items:center}
.toolbar input,.toolbar select{padding:9px 14px;border-radius:10px;border:1px solid var(--line-2);
  background:#fff;color:var(--txt);font-size:13.5px;outline:none}
.toolbar input:focus,.toolbar select:focus{border-color:var(--pri);box-shadow:0 0 0 3px rgba(37,99,235,.10)}

/* 表单 */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px}
.form-grid .full{grid-column:1/-1}
.fi label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.fi input,.fi select,.fi textarea{width:100%;padding:11px 14px;border-radius:10px;border:1px solid var(--line-2);
  background:#fbfdff;color:var(--txt);font-size:14px;outline:none;font-family:inherit;transition:.2s}
.fi textarea{resize:vertical;min-height:100px}
.fi input:focus,.fi select:focus,.fi textarea:focus{border-color:var(--pri);background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.10)}
.fi .hint{font-size:12px;color:var(--muted-2);margin-top:5px;line-height:1.6}
.chk-line{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.chk-line input{width:16px;height:16px;accent-color:var(--pri)}
.form-foot{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}

/* 设置页 Tab */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px;border-bottom:1px solid var(--line);padding-bottom:12px}
.tab{padding:9px 18px;border-radius:10px;font-size:14px;color:var(--muted);cursor:pointer;border:1px solid transparent;
  background:transparent}
.tab:hover{color:var(--pri);background:#f5f9ff}
.tab.on{color:var(--pri);background:#eef5ff;border-color:rgba(37,99,235,.28);font-weight:600}
.tab-panel{display:none}
.tab-panel.on{display:block}

/* 地址卡 */
.addr-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.addr-admin{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fbfdff;
  display:flex;flex-direction:column;gap:10px}
.addr-admin .head{display:flex;align-items:center;gap:10px}
.addr-admin .head b{font-size:15px}
.addr-admin .no{font-size:11px;color:var(--muted-2);border:1px solid var(--line);padding:2px 8px;border-radius:6px;background:#fff}
.addr-admin p{font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:flex-start}
.addr-admin .ops{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap}

/* 空状态 */
.empty-box{text-align:center;padding:56px 20px;color:var(--muted)}
.empty-box .ico{color:var(--muted-2);margin-bottom:10px}

.pager{display:flex;gap:8px;margin-top:18px;flex-wrap:wrap}
.pager a,.pager b{min-width:34px;height:34px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;border:1px solid var(--line);font-size:13px;color:var(--muted);background:#fff}
.pager b{background:var(--grad);border-color:transparent;color:#fff;font-weight:700}
.pager a:hover{border-color:rgba(37,99,235,.45);color:var(--pri)}

.hint-box{background:#f2f8ff;border:1px dashed rgba(37,99,235,.28);border-radius:12px;
  padding:14px 18px;font-size:13px;color:var(--muted);margin-bottom:20px;line-height:1.8}
.hint-box b{color:var(--pri)}

/* 分站 */
.area-grid{display:flex;flex-wrap:wrap;gap:10px}
.area-grid .a-chip{display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:10px;
  border:1px solid var(--line);background:#fbfdff;font-size:13px}
.a-chip .st{width:7px;height:7px;border-radius:99px;background:var(--muted-2);flex:none}
.a-chip.open .st{background:var(--ok)}
.a-chip a.del{color:var(--bad);opacity:.6}
.a-chip a.del:hover{opacity:1}

/* 留言卡片化详情 */
.msg-body{font-size:13.5px;color:var(--muted);max-width:420px;overflow:hidden;text-overflow:ellipsis;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}

/* 算力套餐行内预览 */
.plan-row-gpu{font-size:12.5px;color:var(--pri);font-weight:600}
.plan-row-price{font-weight:700;color:var(--txt);font-variant-numeric:tabular-nums}

@media(max-width:1080px){
  .stat-grid,.quick-grid,.seo-check{grid-template-columns:repeat(2,1fr)}
  .addr-grid{grid-template-columns:1fr}
}
@media(max-width:900px){
  .admin-side{left:-232px;box-shadow:var(--shadow)}
  body.side-collapsed .admin-side{left:0}
  .admin-body-in,.admin-body.side-collapsed .admin-body-in{margin-left:0}
  .admin-main{padding:18px}
  .stat-grid,.quick-grid,.seo-check{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .topbar-crumb{display:none}
}

/* ===================== 页面配图（右侧轮播）管理器 ===================== */
.ph-panel{padding-bottom:20px}
.ph-panel.dragging{border-color:rgba(37,99,235,.45);background:#f7fbff;box-shadow:0 0 0 3px rgba(37,99,235,.08)}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:16px}
.panel-head h3{font-size:15px;color:var(--txt)}
.panel-sub{margin-top:6px;font-size:12.5px;color:var(--muted-2);line-height:1.7}
.panel-sub b{color:var(--muted);font-weight:600}
.ph-count{flex:none;font-size:12px;color:var(--muted);background:#eef5ff;border:1px solid rgba(37,99,235,.16);
  border-radius:999px;padding:4px 12px;white-space:nowrap}
.ph-count b{font-size:14px;color:var(--pri)}
.ph-list{display:flex;flex-direction:column;gap:10px}
.ph-item{display:grid;grid-template-columns:88px minmax(0,1fr) auto;gap:14px;align-items:center;
  padding:12px;border:1px solid var(--line);border-radius:12px;background:#fbfdff;
  transition:opacity .15s var(--ease),transform .15s var(--ease),border-color .2s,background .2s}
.ph-item:hover{border-color:rgba(37,99,235,.3);background:#fff}
.ph-item.ph-out{opacity:0;transform:translateX(8px)}
.ph-thumb{position:relative;width:88px;height:66px;border-radius:9px;overflow:hidden;background:#eef3fb;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.ph-thumb img{width:100%;height:100%;object-fit:cover;display:none}
.ph-thumb.has img{display:block}
.ph-thumb:not(.has)::after{content:"无图";font-size:11px;color:#a9b8cf}
.ph-no{position:absolute;left:5px;top:5px;min-width:17px;height:17px;border-radius:5px;background:rgba(10,22,42,.66);
  color:#fff;font-size:10.5px;display:flex;align-items:center;justify-content:center;padding:0 4px;z-index:1}
.ph-fields{display:flex;flex-direction:column;gap:7px;min-width:0}
.ph-fields input{width:100%;padding:8px 11px;border:1px solid var(--line-2);border-radius:8px;
  font-size:12.5px;background:#fff;color:var(--txt)}
.ph-fields input:focus{border-color:var(--pri);box-shadow:0 0 0 3px rgba(37,99,235,.1);outline:none}
.ph-fields .ph-pic{font-family:Consolas,Menlo,monospace;color:var(--muted);font-size:12px}
.ph-ops{display:flex;gap:5px}
.ph-btn{width:28px;height:28px;border-radius:7px;border:1px solid var(--line-2);background:#fff;
  color:var(--muted);font-size:13px;cursor:pointer;line-height:1;padding:0}
.ph-btn:hover{border-color:rgba(37,99,235,.45);color:var(--pri)}
.ph-btn.del:hover{border-color:rgba(220,38,38,.4);color:var(--bad);background:#fef2f2}
.ph-empty{margin:4px 0 14px;padding:26px;border:1px dashed var(--line-2);border-radius:12px;
  text-align:center;background:#fafcff}
.ph-empty span{display:block;font-size:13px;color:var(--muted)}
.ph-empty small{display:block;margin-top:4px;font-size:12px;color:var(--muted-2)}
.ph-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px;
  padding-top:14px;border-top:1px dashed var(--line)}
.ph-upload{cursor:pointer}
.ph-upload input{display:none}
.ph-tip{font-size:12px;color:var(--muted-2)}
@media(max-width:760px){
  .ph-item{grid-template-columns:64px minmax(0,1fr);gap:10px}
  .ph-thumb{width:64px;height:50px}
  .ph-ops{grid-column:1/-1;justify-content:flex-end}
  .ph-fields .ph-pic{font-size:11.5px}
  .ph-tip{width:100%}
}

/* 内容列表手动排序按钮 */
.mv-group{display:inline-flex;gap:3px;vertical-align:middle;margin-right:7px}
.mv{display:inline-flex;align-items:center;justify-content:center;width:20px;height:24px;
  border:1px solid var(--line-2);border-radius:6px;background:#fff;color:var(--muted);
  font-size:11px;line-height:1}
.mv:hover{border-color:rgba(37,99,235,.5);color:var(--pri);background:#f5faff}

/* 图片地址一键上传（imgpick） */
.ip-wrap{display:inline-flex;align-items:center;gap:8px;margin-left:8px;vertical-align:middle}
.fi .ip-wrap{margin-top:6px}
.ip-btn{cursor:pointer;position:relative;overflow:hidden;flex:none}
.ip-btn input{display:none}
.ip-thumb{display:none;width:56px;height:42px;object-fit:cover;border-radius:8px;
  border:1px solid var(--line);background:#f2f7ff}
.ip-thumb.has{display:block}