:root{
  --primary:#2563eb; --primary-dark:#1d4ed8; --bg:#f4f6fa; --card:#fff;
  --text:#1f2937; --muted:#6b7280; --line:#e5e7eb; --ok:#16a34a; --warn:#d97706; --danger:#dc2626;
  --sidebar:#111827; --sidebar-text:#cbd5e1;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--primary);text-decoration:none}
input,select,textarea{font-family:inherit;font-size:14px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;width:100%;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(37,99,235,.12)}
label{display:block;margin-bottom:12px;color:#374151}
label>span{display:block;margin-bottom:5px;font-weight:600}
.btn{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);background:#fff;color:var(--text);padding:8px 14px;border-radius:6px;cursor:pointer;font-size:14px;white-space:nowrap}
.btn:hover{border-color:#c7ccd6;background:#f9fafb}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.btn-danger{color:var(--danger);border-color:#fecaca}
.btn-sm{padding:4px 10px;font-size:13px}
.btn-block{width:100%;justify-content:center}
.btn-ghost{border-color:transparent;background:transparent;color:var(--sidebar-text)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.brand-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#22d3ee);margin-right:8px;vertical-align:middle}

/* 登录 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#0f172a)}
.login-card{width:380px;background:#fff;border-radius:14px;padding:38px 34px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.brand{font-size:19px;font-weight:700;color:#111827}
.brand-sub{color:var(--muted);margin:6px 0 26px;font-size:13px}
.login-tip{margin-top:14px;text-align:center;color:var(--muted);font-size:12px}

/* 布局 */
#app{display:flex;min-height:100vh}
.sidebar{width:212px;background:var(--sidebar);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.logo{color:#fff;font-weight:700;font-size:16px;padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar nav{flex:1;padding:10px 0;overflow:auto}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:11px 20px;color:var(--sidebar-text);font-size:14px;border-left:3px solid transparent}
.sidebar nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.sidebar nav a.active{background:rgba(37,99,235,.18);color:#fff;border-left-color:#3b82f6}
.sidebar-foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08)}
.whoami{color:#94a3b8;font-size:12px;margin-bottom:8px;line-height:1.5}
.main{flex:1;margin-left:212px;padding:0 24px 40px}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 0 16px}
.topbar h1{font-size:20px;font-weight:700}
#page-actions{display:flex;gap:8px}
.view{animation:fade .2s}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1}}

/* 卡片/统计 */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px;margin-bottom:20px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.stat-card .num{font-size:26px;font-weight:700;margin-top:6px}
.stat-card .lbl{color:var(--muted);font-size:13px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px}
.panel h2{font-size:15px;margin-bottom:14px}

/* 工具栏 */
.toolbar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap;align-items:center}
.toolbar input,.toolbar select{width:auto;min-width:160px}
.toolbar .spacer{flex:1}

/* 表格 */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{background:#f9fafb;color:#4b5563;font-weight:600;white-space:nowrap}
tr:last-child td{border-bottom:none}
tr:hover td{background:#fafbff}
td .row-actions{display:flex;gap:8px}
.num-cell{text-align:right;font-variant-numeric:tabular-nums}
.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;background:#eff6ff;color:#1d4ed8}
.tag.gray{background:#f3f4f6;color:#6b7280}
.tag.green{background:#ecfdf5;color:#047857}
.tag.orange{background:#fff7ed;color:#c2410c}
.tag.red{background:#fef2f2;color:#b91c1c}
.muted{color:var(--muted)}
.right{text-align:right}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal{background:#fff;border-radius:12px;width:560px;max-width:100%;max-height:88vh;display:flex;flex-direction:column}
.modal.lg{width:820px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:16px}
.modal-close{border:none;background:none;font-size:22px;line-height:1;color:#9ca3af;cursor:pointer}
.modal-body{padding:20px;overflow:auto}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-grid .full{grid-column:1/-1}

/* toast */
.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%);background:#111827;color:#fff;padding:10px 22px;border-radius:8px;z-index:100;font-size:14px;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.toast.err{background:#b91c1c}
.toast.ok{background:#047857}

.empty{text-align:center;color:var(--muted);padding:50px 0}
.bar-chart{display:flex;align-items:flex-end;gap:14px;height:150px;padding-top:10px}
.bar-chart .bar{flex:1;background:linear-gradient(180deg,#60a5fa,#2563eb);border-radius:6px 6px 0 0;position:relative;min-height:4px}
.bar-chart .bar span{position:absolute;top:-20px;left:0;right:0;text-align:center;font-size:12px;color:#4b5563}
.bar-chart .bar i{position:absolute;bottom:-22px;left:0;right:0;text-align:center;font-size:11px;color:#9ca3af;font-style:normal}
.desc{color:var(--muted);font-size:12.5px;line-height:1.6}
.req-row{display:flex;gap:8px;margin-bottom:8px;align-items:center}
.req-row select{flex:2}.req-row input{flex:1}
.thumb{width:100%;max-width:340px;border:1px solid var(--line);border-radius:8px;margin-top:8px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px}
.tabs button{background:none;border:none;padding:10px 18px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;font-size:14px}
.tabs button.on{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}

/* ===== 官网留资 ===== */
.lead-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-right:auto}
.lead-tab{background:#f3f4f6;border:1px solid var(--line);border-radius:18px;padding:6px 14px;cursor:pointer;font-size:13px;color:var(--muted)}
.lead-tab b{color:var(--danger,#b91c1c)}
.lead-tab.on{background:var(--primary);border-color:var(--primary);color:#fff}
.lead-tab.on b{color:#fff}
.cell-clip{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:13px}
.lead-detail .form-grid{gap:12px}

.stat-card.clickable{cursor:pointer;transition:.2s}
.stat-card.clickable:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(16,60,68,.12)}