/* ============================================================
   网脉好房 · 后台管理
   ============================================================ */
:root{
  --navy:#12284A; --navy-2:#1B3A5F; --gold:#C8A46B;
  --ink:#1B2430; --ink-2:#5B6675; --ink-3:#8B95A3;
  --line:#E6EAF0; --paper:#fff; --paper-2:#F5F7FA; --bg:#F2F5F9;
  --green:#1E825A; --red:#C0392B; --blue:#2B6CB0;
  --r:10px; --r-sm:7px;
  --side:222px;
}
*{box-sizing:border-box}
body{
  margin:0; font-size:14px; color:var(--ink); background:var(--bg);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  line-height:1.7;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.4}
button,input,select,textarea{font-family:inherit;font-size:14px;color:inherit}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-box{width:100%;max-width:392px;background:#fff;border-radius:16px;padding:40px 38px;box-shadow:0 20px 50px rgba(18,40,74,.14)}
.login-box .lg-logo{display:flex;align-items:center;gap:11px;margin-bottom:26px}
.login-box .lg-logo b{font-size:20px;font-weight:800;color:var(--navy)}
.login-box h1{font-size:22px;color:var(--navy);margin-bottom:6px}
.login-box .lg-sub{font-size:13.5px;color:var(--ink-3);margin-bottom:26px}

/* ---------- 布局 ---------- */
.admin{display:flex;min-height:100vh}
.sidebar{
  width:var(--side);flex:none;background:var(--navy);color:rgba(255,255,255,.72);
  display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;z-index:20;
}
.sidebar .sb-brand{padding:20px 20px 18px;border-bottom:1px solid rgba(255,255,255,.09)}
.sidebar .sb-brand b{display:block;font-size:17px;color:#fff;font-weight:800}
.sidebar .sb-brand span{font-size:11.5px;color:rgba(255,255,255,.42);letter-spacing:.1em}
.sidebar nav{padding:12px 10px;flex:1;overflow:auto}
.sidebar nav a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;
  font-size:14px;margin-bottom:2px;transition:all .2s;
}
.sidebar nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.sidebar nav a.on{background:rgba(200,164,107,.16);color:var(--gold);font-weight:600}
.sidebar nav a svg{width:17px;height:17px;flex:none;opacity:.85}
.sidebar nav .sb-tag{
  margin-left:auto;font-size:11px;background:rgba(255,255,255,.12);
  padding:1px 7px;border-radius:10px;
}
.sidebar nav a.on .sb-tag{background:rgba(200,164,107,.24);color:var(--gold)}
.sidebar .sb-foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.09);font-size:12.5px}
.sidebar .sb-foot a{color:rgba(255,255,255,.6)}
.sidebar .sb-foot a:hover{color:var(--gold)}

.main{flex:1;margin-left:var(--side);min-width:0}
.topbar-admin{
  background:#fff;border-bottom:1px solid var(--line);padding:0 28px;height:60px;
  display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10;
}
.topbar-admin h2{font-size:17px;color:var(--navy)}
.topbar-admin .ta-r{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-3)}
.content{padding:26px 28px 60px}

/* ---------- 卡片 / 表格 ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 1px 3px rgba(18,40,74,.04)}
.card-h{
  padding:16px 20px;border-bottom:1px solid var(--line);display:flex;
  align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.card-h h3{font-size:15.5px;color:var(--navy)}
.card-b{padding:20px}
.card+.card{margin-top:20px}

table.tbl{width:100%;border-collapse:collapse}
table.tbl th,table.tbl td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:13.5px}
table.tbl thead th{background:var(--paper-2);color:var(--ink-2);font-weight:600;font-size:12.5px;white-space:nowrap}
table.tbl tbody tr:hover{background:#FAFCFE}
table.tbl tbody tr:last-child td{border-bottom:none}
table.tbl td.ops{white-space:nowrap;text-align:right}
table.tbl td.ops a{margin-left:12px;font-size:13px}

.badge{display:inline-block;padding:2px 9px;border-radius:5px;font-size:12px;font-weight:600}
.b-on{background:#E6F4ED;color:var(--green)}
.b-wait{background:#F6F0E4;color:#8A6C32}
.b-off{background:#EEF1F5;color:var(--ink-3)}
.b-demo{background:#FFF3E0;color:#B26A00}

/* ---------- 表单 ---------- */
.frm{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.frm .f-full{grid-column:1/-1}
.fld label{display:block;font-size:13px;color:var(--ink-2);font-weight:600;margin-bottom:6px}
.fld label i{font-style:normal;color:var(--ink-3);font-weight:400}
.fld input,.fld select,.fld textarea{
  width:100%;height:42px;padding:0 13px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;outline:none;transition:border-color .2s;
}
.fld textarea{height:auto;min-height:110px;padding:11px 13px;line-height:1.75;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--navy)}
.fld .hint{font-size:12px;color:var(--ink-3);margin-top:5px}
.frm-sec{
  grid-column:1/-1;margin-top:6px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;font-weight:700;color:var(--navy);letter-spacing:.04em;
}
.frm-sec span{font-weight:400;color:var(--ink-3);font-size:12.5px;margin-left:8px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;height:40px;padding:0 18px;
  border:1px solid transparent;border-radius:var(--r-sm);font-size:14px;font-weight:600;cursor:pointer;
  transition:all .2s;
}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--navy);color:var(--navy)}
.btn-danger{background:#fff;border-color:#F0C9C4;color:var(--red)}
.btn-danger:hover{background:#FDF3F2}
.btn-sm{height:32px;padding:0 13px;font-size:13px}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.toolbar input,.toolbar select{height:38px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;outline:none}
.toolbar input:focus,.toolbar select:focus{border-color:var(--navy)}

.alert{padding:12px 16px;border-radius:var(--r-sm);font-size:13.5px;margin-bottom:18px}
.alert-ok{background:#E6F4ED;color:var(--green)}
.alert-err{background:#FDECEA;color:var(--red)}

.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 22px}
.stat span{font-size:13px;color:var(--ink-3)}
.stat b{display:block;font-size:28px;font-weight:800;color:var(--navy);line-height:1.25}
.stat em{font-style:normal;font-size:13px;color:var(--gold)}

.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.quick a{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;
  display:block;transition:all .22s;
}
.quick a:hover{border-color:var(--navy);box-shadow:0 4px 14px rgba(18,40,74,.08)}
.quick a b{display:block;font-size:15px;color:var(--navy)}
.quick a span{font-size:12.5px;color:var(--ink-3)}

/* ---------- 富文本编辑器 ---------- */
.ed{border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;background:#fff}
.ed-bar{
  display:flex;gap:4px;flex-wrap:wrap;padding:8px 10px;background:var(--paper-2);
  border-bottom:1px solid var(--line);
}
.ed-bar button{
  height:30px;min-width:32px;padding:0 9px;border:1px solid transparent;background:transparent;
  border-radius:5px;cursor:pointer;font-size:13px;color:var(--ink-2);
}
.ed-bar button:hover{background:#fff;border-color:var(--line);color:var(--navy)}
.ed-body{min-height:340px;padding:18px 20px;outline:none;line-height:1.95;font-size:15px;background:#fff}
.ed-body h2{font-size:20px;margin:24px 0 12px;color:var(--navy)}
.ed-body h3{font-size:17px;margin:20px 0 10px;color:var(--navy)}
.ed-body p{margin-bottom:14px}
.ed-body ul{margin:0 0 16px;padding-left:22px;list-style:disc}
.ed-body blockquote{
  margin:16px 0;padding:12px 18px;background:var(--paper-2);border-left:3px solid var(--gold);
  border-radius:0 6px 6px 0;color:var(--ink-2);
}
.ed-body img{max-width:100%;border-radius:8px;margin:14px 0}

/* ---------- 图片上传 ---------- */
.img-picker{display:flex;gap:12px;align-items:flex-start}
.img-prev{
  width:132px;height:88px;border:1px dashed var(--line);border-radius:var(--r-sm);
  background:var(--paper-2);overflow:hidden;flex:none;display:flex;align-items:center;justify-content:center;
  color:var(--ink-3);font-size:12px;
}
.img-prev img{width:100%;height:100%;object-fit:cover}
.img-acts{display:flex;flex-direction:column;gap:8px;align-items:flex-start}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .quick{grid-template-columns:1fr}
}
@media (max-width:760px){
  .sidebar{position:static;width:100%;flex-direction:row;align-items:center;overflow-x:auto}
  .sidebar .sb-brand{padding:12px 16px;border:none;border-right:1px solid rgba(255,255,255,.09)}
  .sidebar nav{display:flex;padding:0 8px;overflow-x:auto}
  .sidebar nav a{margin:0 2px;white-space:nowrap}
  .sidebar .sb-tag,.sidebar .sb-foot{display:none}
  .admin{flex-direction:column}
  .main{margin-left:0}
  .frm{grid-template-columns:1fr}
  .content{padding:18px 16px 50px}
  .topbar-admin{padding:0 16px}
  table.tbl th,table.tbl td{padding:10px 10px;font-size:13px}
}