:root{
  --bg:#f5f7fa; --panel:#ffffff; --line:#e6ebf1; --text:#1f2d3d; --muted:#8a97a8;
  --primary:#3b82f6; --primary-d:#2563eb; --ok:#16a34a;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
.topbar{display:flex;align-items:center;gap:24px;padding:14px 28px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px}
.brand .logo{color:var(--primary);font-size:20px}
.nav{display:flex;gap:6px;flex:1}
.tab{padding:8px 18px;border:none;background:transparent;border-radius:8px;cursor:pointer;color:var(--muted);font-size:14px;transition:.15s}
.tab:hover{background:#eef2f7;color:var(--text)}
.tab.active{background:var(--primary);color:#fff}
.status{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.shopbar{display:flex;align-items:center;gap:10px;margin-left:8px}
.shop-btn{padding:7px 14px;font-size:13px;border-color:var(--primary);color:var(--primary)}
.shop-tag{font-size:13px;color:var(--ok);background:#e7f6ec;border:1px solid #bfe6cd;border-radius:8px;padding:4px 10px}
.shop-panel{position:fixed;top:58px;left:50%;transform:translateX(-50%);width:340px;max-width:90vw;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px rgba(31,45,61,.12);z-index:50;padding:14px}
.shop-panel .shop-title{font-size:13px;color:var(--muted);margin-bottom:10px;line-height:1.5}
.shop-list{display:flex;flex-direction:column;gap:8px;max-height:260px;overflow:auto}
.shop-item{padding:11px 14px;border:1px solid var(--line);border-radius:9px;cursor:pointer;font-size:14px;transition:.15s}
.shop-item:hover{background:#eef2f7;border-color:var(--primary)}
.shop-modal{position:fixed;inset:0;background:rgba(15,23,42,.4);display:flex;align-items:center;justify-content:center;z-index:60}
.shop-modal-box{background:var(--panel);border-radius:14px;padding:22px;width:320px;max-width:90vw}
.shop-modal-box h4{font-size:15px;margin-bottom:14px}
.shop-modal-box input{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:9px;font-size:14px;outline:none;margin-bottom:14px}
.shop-modal-box input:focus{border-color:var(--primary)}
.shop-modal-ops{display:flex;gap:10px;justify-content:flex-end}
.shop-modal-ops .btn{padding:8px 16px}
.chat-shop{font-weight:400;font-size:13px;color:var(--primary)}
@media(max-width:760px){.cards,.upload-grid{grid-template-columns:1fr}.topbar{flex-wrap:wrap}.shop-panel{left:12px;right:12px;transform:none;width:auto;max-width:none}}
.status #status-dot{width:10px;height:10px;border-radius:50%;background:#ef4444;animation:breath 1.6s ease-in-out infinite}
.status #status-dot.on{background:var(--ok)}
@keyframes breath{0%,100%{opacity:.35}50%{opacity:1}}
main{padding:28px;max-width:1080px;margin:0 auto}
.tabpane{display:none}
.tabpane.active{display:block}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}
.card-label{font-size:13px;color:var(--muted);margin-bottom:10px}
.card-big{font-size:32px;font-weight:700;letter-spacing:.5px}
.card-sub{font-size:13px;color:var(--muted);margin-top:8px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.panel-head h3{font-size:16px}
.muted{color:var(--muted);font-size:13px}
.report{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:16px;font-size:13.5px;line-height:1.8;white-space:pre-wrap;font-family:inherit;max-height:420px;overflow:auto}
.actions{margin-top:14px;display:flex;gap:10px}
.btn{padding:9px 20px;border-radius:9px;border:1px solid var(--line);background:var(--panel);cursor:pointer;font-size:14px;color:var(--text);transition:.15s;display:inline-block;text-align:center}
.btn:hover{background:#eef2f7}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d)}
.hint{background:#eef7ff;border:1px solid #d6e9ff;border-radius:10px;padding:12px 16px;font-size:13px;color:#0b5394;margin-bottom:20px}
.upload-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.upload-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:12px}
.upload-box h4{font-size:15px}
.upload-box input[type=file]{display:none}
.mode select,.mode input{padding:7px 12px;border:1px solid var(--line);border-radius:8px;font-size:13px;background:#fff}
.upload-msg{font-size:12.5px;color:var(--muted);min-height:18px}
.upload-msg.ok{color:var(--ok)}
.upload-msg.err{color:#dc2626}
.chat-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;height:600px;display:flex;flex-direction:column;overflow:hidden}
.chat-head{padding:12px 18px;border-bottom:1px solid var(--line);font-weight:600;font-size:15px}
.chat-log{flex:1;padding:18px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}
.msg{max-width:78%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.6;white-space:pre-wrap}
.msg.user{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:4px}
.msg.ai{align-self:flex-start;background:#f1f5f9;border-bottom-left-radius:4px}
.chat-input{display:flex;gap:10px;padding:14px;border-top:1px solid var(--line)}
.chat-input input{flex:1;padding:11px 14px;border:1px solid var(--line);border-radius:9px;font-size:14px;outline:none}
.chat-input input:focus{border-color:var(--primary)}
@media(max-width:760px){.cards,.upload-grid{grid-template-columns:1fr}.topbar{flex-wrap:wrap}}
/* 设置页 */
.hidden{display:none!important}
.cfg-form{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:16px;margin-top:12px}
.cfg-form h4{margin-bottom:12px}
.form-grid{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:12px}
.form-grid label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted);flex:1;min-width:200px}
.form-grid input{padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;outline:none;background:#fff}
.form-grid input:focus{border-color:var(--primary)}
.cfg-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;background:var(--panel)}
.cfg-item .active-mark{width:10px;height:10px;border-radius:50%;background:#cbd5e1;flex-shrink:0}
.cfg-item .active-mark.on{background:var(--ok)}
.cfg-main{flex:1;min-width:0}
.cfg-main .cfg-name{font-weight:600;display:flex;align-items:center;gap:8px}
.cfg-badge{font-size:11px;background:var(--ok);color:#fff;border-radius:4px;padding:2px 6px}
.cfg-main .cfg-detail{font-size:12.5px;color:var(--muted);margin-top:4px;word-break:break-all}
.cfg-ops{display:flex;gap:8px;flex-shrink:0}
.cfg-ops .btn{padding:6px 12px;font-size:12.5px}
.btn.small{padding:6px 12px;font-size:12.5px}
.btn.testing{opacity:.6;pointer-events:none}
/* 经营分析 */
.filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.filters select,.filters input[type=date]{padding:7px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px;background:#fff}
.filters .btn{padding:7px 14px;font-size:13px}
.an-sum{background:#eef7ff;border:1px solid #d6e9ff;border-radius:10px;padding:10px 14px;font-size:13px;color:#0b5394;margin-bottom:18px}
.an-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}
.an-sec{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:16px}
.an-sec h4{font-size:14px;margin-bottom:12px}
.an-table{width:100%;border-collapse:collapse;font-size:13px}
.an-table th,.an-table td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.an-table th{color:var(--muted);font-weight:500;background:#f1f5f9}
.an-table td:not(:first-child){text-align:right}
.an-table th:not(:first-child){text-align:right}
.an-table td{max-width:260px;word-break:break-all}
.an-table .an-total td{font-weight:700;background:#f8fafc;border-top:2px solid var(--line);color:#0f172a}
.an-note{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.7}
@media(max-width:760px){.an-grid{grid-template-columns:1fr}.an-table td{max-width:none}}