*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0d1117;--bg2:#161b22;--bg3:#21262d;--bg4:#30363d;
  --border:#30363d;--border2:#484f58;
  --text:#e6edf3;--text2:#8b949e;--text3:#6e7681;
  --accent:#58a6ff;--accent2:#388bfd;
  --green:#3fb950;--red:#f85149;--orange:#d29922;--purple:#bc8cff;
  --radius:8px;--radius-lg:12px;
  --shadow:0 1px 3px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.2);
}
html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}
.auth-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;position:relative;overflow:hidden}
.auth-wrap::before{content:'';position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(88,166,255,.1),transparent 70%);top:-200px;right:-100px}
.auth-wrap::after{content:'';position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(188,140,255,.08),transparent 70%);bottom:-100px;left:-50px}
.auth-box{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px 40px;width:420px;max-width:95vw;box-shadow:var(--shadow);position:relative;z-index:1}
.auth-box .brand{text-align:center;margin-bottom:32px}
.auth-box .brand .logo{font-size:48px;margin-bottom:12px;display:block}
.auth-box .brand h1{font-size:22px;font-weight:700;color:var(--text);margin-bottom:6px}
.auth-box .brand .sub{font-size:14px;color:var(--text2)}
.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:28px}
.tab{flex:1;text-align:center;padding:10px 0;cursor:pointer;font-size:14px;color:var(--text3);border-bottom:2px solid transparent;transition:all .2s;font-weight:500}
.tab:hover{color:var(--text2)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.form-panel{display:none}
.form-panel.active{display:block}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:13px;color:var(--text2);margin-bottom:6px;font-weight:500}
.form-group input{width:100%;padding:10px 14px;background:var(--bg);border:1px solid var(--border2);border-radius:var(--radius);color:var(--text);font-size:15px;outline:none;transition:border .2s}
.form-group input:focus{border-color:var(--accent)}
.form-group input::placeholder{color:var(--text3)}
.sms-row{display:flex;gap:10px}
.sms-row input{flex:1}
.sms-row button{white-space:nowrap;padding:10px 16px;background:var(--bg3);border:1px solid var(--border2);border-radius:var(--radius);color:var(--text2);cursor:pointer;font-size:13px;transition:all .15s;min-width:100px}
.sms-row button:hover{border-color:var(--accent);color:var(--accent)}
.sms-row button:disabled{opacity:.5;cursor:not-allowed}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .15s;width:100%}
.btn-primary{background:var(--accent2);color:#fff}
.btn-primary:hover{background:var(--accent)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.auth-error{color:var(--red);font-size:13px;text-align:center;margin-top:12px;min-height:20px}
.auth-footer{text-align:center;margin-top:20px;font-size:12px;color:var(--text3)}
.auth-footer a{color:var(--accent);cursor:pointer}

/* ====== 功能2：竞品监控 ====== */
.competitor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.competitor-card { background: var(--bg2); border-radius: var(--radius-lg); padding: 20px; border: 1px solid var(--border); }
.competitor-card .comp-header { display: flex; justify-content: space-between; align-items: start; margin-bottom: 10px; }
.competitor-card .comp-name { font-size: 16px; font-weight: 700; }
.competitor-card .comp-platform { font-size: 11px; padding: 2px 8px; background: var(--bg3); border-radius: 99px; }
.competitor-card .comp-url { font-size: 12px; color: var(--accent); word-break: break-all; }
.competitor-card .comp-actions { display: flex; gap: 6px; margin-top: 12px; }
.check-history { margin-top: 12px; }
.check-history .check-row { font-size: 12px; padding: 6px 0; border-bottom: 1px solid var(--border); }
.check-history .check-row:last-child { border-bottom: none; }

/* ====== 功能3：异常预警 ====== */
.anomaly-alert { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--radius); margin-bottom: 8px; font-size: 13px; }
.anomaly-danger { background: rgba(255,100,100,0.1); border-left: 3px solid var(--red); }
.anomaly-warning { background: rgba(255,200,50,0.1); border-left: 3px solid #e6a23c; }
.anomaly-info { background: rgba(100,180,255,0.1); border-left: 3px solid var(--accent); }
.anomaly-alert .anomaly-icon { font-size: 18px; }
.anomaly-alert .anomaly-text { flex: 1; }
.anomaly-alert .anomaly-shop { font-size: 11px; color: var(--text3); }

/* ====== 功能4：批量操作 ====== */
.batch-bar { display: none; align-items: center; gap: 10px; padding: 10px 16px; background: var(--accent); color: #fff; border-radius: var(--radius); margin-bottom: 12px; font-size: 13px; }
.batch-bar.active { display: flex; }
.batch-bar .selected-count { font-weight: 700; }
.batch-bar button { padding: 4px 12px; border: 1px solid rgba(255,255,255,0.4); background: rgba(255,255,255,0.15); color: #fff; border-radius: var(--radius-sm); cursor: pointer; font-size: 12px; }
.batch-bar button:hover { background: rgba(255,255,255,0.3); }
.batch-bar button.danger { border-color: #ff6b6b; color: #ff6b6b; }

/* ====== 功能5：数据大屏 ====== */
.bigscreen { min-height: 100vh; background: #0a0e17; color: #e0e0e0; font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; padding: 20px 30px; }
.bigscreen .bs-header { text-align: center; padding: 10px 0 20px; }
.bigscreen .bs-header h1 { font-size: 32px; background: linear-gradient(90deg,#00d2ff,#3a7bd5); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.bigscreen .bs-header .bs-time { font-size: 14px; color: #666; margin-top: 4px; }
.bigscreen .bs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.bigscreen .bs-card { background: rgba(20,30,50,0.8); border: 1px solid rgba(100,180,255,0.15); border-radius: 12px; padding: 20px; }
.bigscreen .bs-card .bs-label { font-size: 13px; color: #8899aa; margin-bottom: 6px; }
.bigscreen .bs-card .bs-value { font-size: 36px; font-weight: 800; color: #00d2ff; }
.bigscreen .bs-card .bs-sub { font-size: 12px; margin-top: 4px; }
.bigscreen .bs-card .bs-up { color: #4ecca3; }
.bigscreen .bs-card .bs-down { color: #ff6b6b; }
.bigscreen .bs-charts { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 16px; }
.bigscreen .bs-panel { background: rgba(20,30,50,0.8); border: 1px solid rgba(100,180,255,0.15); border-radius: 12px; padding: 20px; }
.bigscreen .bs-panel .bs-panel-title { font-size: 15px; font-weight: 700; margin-bottom: 14px; color: #aaccee; }
.bigscreen .bar-chart { display: flex; align-items: flex-end; gap: 12px; height: 160px; padding-top: 10px; }
.bigscreen .bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; }
.bigscreen .bar-col .bar { width: 100%; max-width: 40px; background: linear-gradient(180deg,#00d2ff,#3a7bd5); border-radius: 4px 4px 0 0; min-height: 4px; transition: height .5s; }
.bigscreen .bar-col .bar-label { font-size: 10px; color: #667; margin-top: 6px; }
.bigscreen .pie-chart { width: 140px; height: 140px; border-radius: 50%; margin: 0 auto; }
.bigscreen .pie-legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.bigscreen .pie-legend-item { display: flex; align-items: center; gap: 4px; font-size: 11px; }
.bigscreen .pie-dot { width: 10px; height: 10px; border-radius: 2px; }
.bigscreen .progress-wrap { margin-bottom: 10px; }
.bigscreen .progress-wrap .prog-label { display: flex; justify-content: space-between; font-size: 12px; margin-bottom: 3px; }
.bigscreen .progress-bar { height: 8px; background: rgba(255,255,255,0.1); border-radius: 4px; overflow: hidden; }
.bigscreen .progress-fill { height: 100%; background: linear-gradient(90deg,#00d2ff,#3a7bd5); border-radius: 4px; transition: width .5s; }
.bigscreen .alert-list { max-height: 300px; overflow-y: auto; }
.bigscreen .alert-item { font-size: 12px; padding: 8px; border-bottom: 1px solid rgba(255,255,255,0.05); }
.bigscreen .alert-item .alert-emoji { margin-right: 6px; }

/* ====== 功能7：评价分析 ====== */
.review-input-area textarea { width: 100%; min-height: 150px; background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text1); font-size: 13px; padding: 14px; resize: vertical; }
.review-result { margin-top: 16px; }
.review-sentiment { display: flex; gap: 16px; margin-bottom: 16px; }
.review-sentiment .sentiment-bar { flex: 1; text-align: center; padding: 12px; border-radius: var(--radius); }
.review-sentiment .sent-positive { background: rgba(78,204,163,0.1); }
.review-sentiment .sent-negative { background: rgba(255,107,107,0.1); }
.review-sentiment .sent-neutral { background: rgba(180,180,180,0.1); }
.review-sentiment .sent-value { font-size: 24px; font-weight: 800; }
.review-sentiment .sent-label { font-size: 12px; color: var(--text3); margin-top: 4px; }
.keyword-tag { display: inline-block; padding: 3px 10px; background: var(--bg3); border-radius: 99px; margin: 3px; font-size: 12px; }
.keyword-tag.neg { border: 1px solid rgba(255,107,107,0.3); }
.keyword-tag.pos { border: 1px solid rgba(78,204,163,0.3); }
.issue-row { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.issue-row:last-child { border-bottom: none; }

/* ====== v2.0：KPI仪表盘 ====== */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }
.kpi-card { background: var(--bg2); border-radius: var(--radius-lg); padding: 20px; border: 1px solid var(--border); }
.kpi-card .kpi-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.kpi-card .kpi-name { font-size: 16px; font-weight: 700; }
.kpi-card .kpi-platform { font-size: 11px; padding: 2px 8px; background: var(--bg3); border-radius: 99px; }
.kpi-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.kpi-metric { padding: 8px; background: var(--bg3); border-radius: var(--radius); }
.kpi-metric .metric-label { font-size: 10px; color: var(--text3); }
.kpi-metric .metric-value { font-size: 20px; font-weight: 700; margin: 2px 0; }
.kpi-metric .metric-sub { font-size: 10px; }
.kpi-gauge { height: 6px; background: var(--bg3); border-radius: 3px; margin-top: 4px; overflow: hidden; }
.kpi-gauge-fill { height: 100%; border-radius: 3px; transition: width .5s; }

/* ====== v2.0：产品关联图谱 ====== */
.product-dashboard { max-width: 960px; }