:root{
  --primary:#FF6B8A; --primary-dark:#E35475; --bg:#f5f6f8; --card:#fff;
  --text:#2c2f36; --muted:#8a919e; --border:#e6e8ee; --ok:#2ba471; --warn:#e6a23c; --danger:#d9534f;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none}
.app-body{display:flex;min-height:100vh}
.sidebar{width:220px;background:#23262e;color:#cfd3dc;flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{padding:18px 16px;font-size:17px;font-weight:700;color:#fff;border-bottom:1px solid #33363f}
.sidebar nav{flex:1;padding:10px 0;overflow-y:auto}
.sidebar nav a{display:block;padding:11px 16px;color:#cfd3dc;font-size:14px}
.sidebar nav a:hover{background:#2d313b;color:#fff}
.sidebar nav a.on{background:var(--primary);color:#fff}
.sidebar-user{padding:14px 16px;border-top:1px solid #33363f;font-size:13px}
.sidebar-user a{color:#ff9aa8;font-size:13px}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--border);padding:13px 22px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:5}
.topbar h1{font-size:17px;margin:0;font-weight:600}
.menu-btn{display:none;background:none;border:1px solid var(--border);border-radius:6px;font-size:16px;padding:2px 8px;cursor:pointer}
.topbar-right{margin-left:auto}
.bell{position:relative;font-size:19px;margin-right:14px;display:inline-block}
.bell-badge{position:absolute;top:-7px;right:-10px;background:var(--danger);color:#fff;font-size:11px;border-radius:20px;padding:1px 6px;min-width:18px;text-align:center}
.content{padding:22px;max-width:1280px;width:100%}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:16px}
.card h2{font-size:15px;margin:0 0 12px}
.grid{display:grid;gap:14px}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.stat-card{padding:16px 18px}
.stat-card .num{font-size:26px;font-weight:700;margin-top:6px}
.stat-card .label{color:var(--muted);font-size:13px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff}
th,td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}
th{background:#fafbfc;color:var(--muted);font-weight:600}
td .long{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.b-A{background:#fff0f3;color:#E35475}.b-B{background:#eef3fd;color:#2f6fd0}
.b-C{background:#fbf4e6;color:#b77b12}.b-D{background:#eee;color:#777}
.b-new{background:#e8f7f0;color:#1f8a5c}.b-active{background:#eef3fd;color:#2f6fd0}
.b-sleeping{background:#fbf4e6;color:#b77b12}.b-recycled{background:#eef0f4;color:#5a6270}
.b-invalid{background:#eee;color:#777}.b-blacklist{background:#222;color:#fff}
.btn{display:inline-block;background:var(--primary);color:#fff;border:none;border-radius:7px;padding:8px 16px;font-size:14px;cursor:pointer;text-align:center}
.btn:hover{background:var(--primary-dark);color:#fff}
.btn-sm{padding:4px 10px;font-size:13px;border-radius:6px}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{background:#f5f6f8}
.btn-ok{background:var(--ok)}.btn-ok:hover{background:#23895d}
.btn-warn{background:var(--warn)}.btn-warn:hover{background:#cd8f24}
.btn-danger{background:var(--danger)}.btn-danger:hover{background:#bd4642}
.form-row{margin-bottom:12px}
.form-row label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}
.form-row input,.form-row select,.form-row textarea{width:100%;border:1px solid var(--border);border-radius:7px;padding:9px 11px;font-size:14px;font-family:inherit;background:#fff}
.form-row textarea{min-height:70px}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 16px}
.form-grid .full{grid-column:1/-1}
.alert{padding:11px 15px;border-radius:8px;margin-bottom:14px;font-size:14px}
.alert-success{background:#e8f7f0;color:#1f8a5c}
.alert-danger{background:#fdecec;color:#c0392b}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.filters select,.filters input{border:1px solid var(--border);border-radius:7px;padding:7px 10px;font-size:13px;background:#fff}
.pager{display:flex;gap:6px;align-items:center;margin-top:14px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.pager a{padding:4px 9px;border:1px solid var(--border);border-radius:6px}
.pager a.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.empty{padding:34px;text-align:center;color:var(--muted)}

/* ===== 智能客服悬浮组件 ===== */
.cs-ball{position:fixed;right:24px;bottom:24px;width:54px;height:54px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;cursor:pointer;box-shadow:0 6px 18px rgba(224,85,110,.45);z-index:90;transition:transform .15s}
.cs-ball:hover{transform:scale(1.08)}
.cs-panel{position:fixed;right:24px;bottom:92px;width:370px;max-width:calc(100vw - 32px);height:500px;max-height:calc(100vh - 130px);background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.18);display:flex;flex-direction:column;overflow:hidden;z-index:91;opacity:0;pointer-events:none;transform:translateY(12px);transition:opacity .18s,transform .18s}
.cs-panel.open{opacity:1;pointer-events:auto;transform:translateY(0)}
.cs-head{background:var(--primary);color:#fff;padding:13px 16px;font-size:14px;font-weight:600;display:flex;justify-content:space-between;align-items:center}
.cs-close{background:none;border:none;color:#fff;font-size:15px;cursor:pointer}
.cs-msgs{flex:1;overflow-y:auto;padding:14px;background:#f7f8fa;display:flex;flex-direction:column;gap:10px}
.cs-msg{max-width:88%;padding:10px 13px;border-radius:12px;font-size:13.5px;line-height:1.55;white-space:pre-wrap;word-break:break-word}
.cs-msg.bot{background:#fff;border:1px solid var(--border);align-self:flex-start}
.cs-msg.user{background:var(--primary);color:#fff;align-self:flex-end}
.cs-chips{display:flex;flex-wrap:wrap;gap:8px;padding:10px 14px 4px;border-top:1px solid var(--border)}
.cs-chip{background:#fff;border:1px solid #f0b9c4;color:var(--primary-dark);border-radius:16px;padding:5px 12px;font-size:12.5px;cursor:pointer}
.cs-chip:hover{background:#fff0f3}
.cs-input-row{display:flex;gap:8px;padding:10px 14px 14px}
.cs-input{flex:1;border:1px solid var(--border);border-radius:20px;padding:9px 14px;font-size:13.5px;outline:none}
.cs-input:focus{border-color:var(--primary)}
.cs-send{background:var(--primary);color:#fff;border:none;border-radius:20px;padding:0 18px;font-size:13.5px;cursor:pointer}
.cs-send:hover{background:var(--primary-dark)}
@media(max-width:720px){
  .cs-ball{right:16px;bottom:16px}
  .cs-panel{right:16px;bottom:80px}
}
.detail-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px 18px;margin-bottom:14px}
.detail-grid .item{background:#fafbfc;border:1px solid var(--border);border-radius:8px;padding:10px 12px}
.detail-grid .item .k{font-size:12px;color:var(--muted)}
.detail-grid .item .v{font-size:14px;margin-top:4px;font-weight:500}
.log-list{font-size:13px;color:#4a5160}
.log-list div{padding:7px 0;border-bottom:1px dashed var(--border)}
.log-list .t{color:var(--muted);font-size:12px;margin-left:8px}
.tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.tabs a{padding:7px 14px;border:1px solid var(--border);border-radius:20px;font-size:13px;background:#fff;color:var(--text)}
.tabs a.on{background:var(--primary);border-color:var(--primary);color:#fff}
.h5-wrap{max-width:560px;margin:0 auto;padding:20px 16px 40px}
.h5-hero{background:linear-gradient(135deg,#FF6B8A,#E35475);color:#fff;border-radius:14px;padding:24px;margin-bottom:18px}
.h5-hero h1{font-size:22px;margin:0 0 6px}
.h5-hero p{margin:0;opacity:.92;font-size:14px}
.h5-card{background:#fff;border-radius:14px;padding:20px;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.h5-card .h5-submit{margin-top:6px;width:100%;padding:12px;font-size:16px}
@media(max-width:900px){
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .detail-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .sidebar{position:fixed;left:-240px;z-index:20;transition:left .2s}
  .app-body.nav-open .sidebar{left:0}
  .menu-btn{display:inline-block}
  .content{padding:14px}
  .grid.cols-4{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .detail-grid{grid-template-columns:1fr 1fr}
  table{font-size:12.5px}
  th,td{padding:8px 8px}
}