:root {
  --primary: #1a73e8;
  --primary-dark: #1558b0;
  --primary-light: #e8f0fe;
  --bg: #f4f6f9;
  --card: #ffffff;
  --border: #e3e8ef;
  --text: #1f2937;
  --text-secondary: #6b7280;
  --success: #16a34a;
  --success-bg: #dcfce7;
  --warning: #d97706;
  --warning-bg: #fef3c7;
  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --info: #2563eb;
  --info-bg: #dbeafe;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
#app { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: #0f172a; color: #e2e8f0; display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; z-index: 50; }
.brand { padding: 20px 18px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.brand-logo { font-size: 30px; }
.brand-text h1 { font-size: 18px; color: #fff; }
.brand-text p { font-size: 11px; color: #94a3b8; margin-top: 2px; }
.nav { flex: 1; padding: 12px 10px; display: flex; flex-direction: column; gap: 4px; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 8px; color: #cbd5e1; text-decoration: none; font-size: 14px; transition: all 0.2s; }
.nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; font-weight: 600; }
.nav-icon { font-size: 18px; }
.sidebar-footer { padding: 14px; border-top: 1px solid rgba(255,255,255,0.1); }
.user-card { display: flex; align-items: center; gap: 10px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 600; }
.user-name { font-size: 14px; color: #fff; }
.user-role { font-size: 11px; color: #94a3b8; }
.main { margin-left: 240px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
.topbar { background: var(--card); border-bottom: 1px solid var(--border); padding: 16px 24px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 40; }
.page-title h2 { font-size: 20px; font-weight: 700; }
.page-title p { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.topbar-actions { display: flex; gap: 12px; align-items: center; }
.search-box input { padding: 8px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; width: 260px; outline: none; }
.search-box input:focus { border-color: var(--primary); }
.view-container { padding: 24px; flex: 1; }
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.grid { display: grid; gap: 20px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card h3 { font-size: 15px; margin-bottom: 14px; color: var(--text); }
.stat-card { display: flex; align-items: center; gap: 14px; }
.stat-icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 24px; }
.stat-icon.blue { background: var(--info-bg); }
.stat-icon.green { background: var(--success-bg); }
.stat-icon.orange { background: var(--warning-bg); }
.stat-icon.red { background: var(--danger-bg); }
.stat-info p { font-size: 13px; color: var(--text-secondary); }
.stat-info h4 { font-size: 22px; font-weight: 700; }
.stat-info .trend { font-size: 12px; margin-top: 2px; }
.trend.up { color: var(--success); }
.trend.down { color: var(--danger); }
.btn { padding: 8px 16px; border-radius: 8px; border: none; font-size: 14px; cursor: pointer; font-weight: 500; transition: all 0.2s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--bg); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { opacity: 0.9; }
.btn-small { padding: 4px 10px; font-size: 12px; }
.btn-danger { background: var(--danger); color: #fff; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; padding: 10px 12px; background: #f8fafc; color: var(--text-secondary); font-weight: 600; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 12px; border-bottom: 1px solid var(--border); }
tr:hover td { background: #f8fafc; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge-blue { background: var(--info-bg); color: var(--info); }
.badge-green { background: var(--success-bg); color: var(--success); }
.badge-orange { background: var(--warning-bg); color: var(--warning); }
.badge-red { background: var(--danger-bg); color: var(--danger); }
.badge-gray { background: #e5e7eb; color: #4b5563; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 5px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; outline: none; font-family: inherit; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group.full { grid-column: 1 / -1; }
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-overlay.hidden { display: none; }
.modal { background: #fff; border-radius: 12px; width: 640px; max-width: 92vw; max-height: 90vh; overflow-y: auto; }
.modal-header { padding: 18px 24px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-header h3 { font-size: 17px; }
.modal-close { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--text-secondary); }
.modal-body { padding: 20px 24px; }
.modal-footer { padding: 14px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.filter-bar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar select, .filter-bar input { padding: 7px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; outline: none; }
.funnel-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.funnel-label { width: 80px; font-size: 13px; color: var(--text-secondary); }
.funnel-bar { flex: 1; height: 28px; background: var(--bg); border-radius: 6px; overflow: hidden; }
.funnel-fill { height: 100%; display: flex; align-items: center; justify-content: flex-end; padding-right: 8px; color: #fff; font-size: 12px; font-weight: 600; border-radius: 6px; }
.funnel-pct { width: 60px; text-align: right; font-size: 13px; font-weight: 600; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tab { padding: 8px 16px; cursor: pointer; font-size: 14px; color: var(--text-secondary); border-bottom: 2px solid transparent; }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.timeline { position: relative; padding-left: 24px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 4px; bottom: 4px; width: 2px; background: var(--border); }
.timeline-item { position: relative; margin-bottom: 16px; }
.timeline-item::before { content: ''; position: absolute; left: -21px; top: 5px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); border: 2px solid #fff; box-shadow: 0 0 0 2px var(--primary); }
.timeline-item .tl-time { font-size: 12px; color: var(--text-secondary); }
.timeline-item .tl-text { font-size: 14px; margin-top: 2px; }
.steps { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.step { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-secondary); }
.step .dot { width: 20px; height: 20px; border-radius: 50%; background: var(--border); color: var(--text-secondary); display: flex; align-items: center; justify-content: center; font-size: 11px; }
.step.done .dot { background: var(--success); color: #fff; }
.step.current .dot { background: var(--primary); color: #fff; }
.step-arrow { color: var(--border); }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.detail-item { background: #f8fafc; padding: 12px; border-radius: 8px; }
.detail-item .label { font-size: 12px; color: var(--text-secondary); }
.detail-item .value { font-size: 15px; font-weight: 600; margin-top: 4px; }
.empty { text-align: center; padding: 40px; color: var(--text-secondary); }
.free-portal-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.free-portal-card { display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: #fff; border: 1px solid var(--border); border-radius: 10px; text-decoration: none; color: var(--text); transition: all 0.2s; }
.free-portal-card:hover { border-color: var(--primary); box-shadow: 0 4px 12px rgba(26,115,232,0.12); transform: translateY(-2px); }
.free-portal-icon { font-size: 26px; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; background: var(--primary-light); border-radius: 10px; flex-shrink: 0; }
.free-portal-body { flex: 1; min-width: 0; }
.free-portal-name { font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.free-portal-desc { font-size: 12px; color: var(--text-secondary); margin-top: 3px; line-height: 1.5; }
.free-portal-arrow { color: var(--primary); font-size: 18px; flex-shrink: 0; }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: 1fr; } .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .free-portal-grid { grid-template-columns: 1fr; } }
@media (max-width: 768px) { .sidebar { width: 64px; } .sidebar .brand-text, .sidebar .nav-item span:last-child, .sidebar .user-card > div:last-child { display: none; } .nav-item { justify-content: center; } .main { margin-left: 64px; } .topbar { flex-direction: column; gap: 10px; } .search-box input { width: 100%; } }
/* 售前引流 · 官网风格 */
.lead-hero { border-radius: 14px; overflow: hidden; margin-bottom: 20px; background: linear-gradient(120deg, #0f172a 0%, #1e3a8a 45%, #1a73e8 100%); color: #fff; padding: 44px 40px; position: relative; }
.lead-hero::after { content: ''; position: absolute; right: -40px; bottom: -60px; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 70%); }
.lead-hero-badge { display: inline-block; background: rgba(255,255,255,0.15); padding: 5px 14px; border-radius: 20px; font-size: 12px; letter-spacing: 2px; margin-bottom: 16px; }
.lead-hero h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.lead-hero p { font-size: 15px; opacity: 0.9; margin-bottom: 22px; max-width: 560px; line-height: 1.6; }
.lead-hero-cta { display: flex; gap: 12px; }
.lead-hero .btn-ghost { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.4); color: #fff; }
.lead-brand-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.lead-brand-chip { padding: 7px 16px; border-radius: 20px; border: 1px solid var(--border); background: #fff; cursor: pointer; font-size: 13px; transition: all 0.2s; }
.lead-brand-chip:hover { border-color: var(--primary); color: var(--primary); }
.lead-brand-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.lead-model-count { font-size: 13px; color: var(--text-secondary); align-self: center; }
.lead-model-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.lead-model-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 18px; transition: all 0.2s; display: flex; flex-direction: column; }
.lead-model-card:hover { border-color: var(--primary); box-shadow: 0 6px 18px rgba(26,115,232,0.12); transform: translateY(-3px); }
.lead-model-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.lead-model-brand { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.lead-model-energy { font-size: 11px; color: var(--text-secondary); }
.lead-model-series { font-size: 20px; font-weight: 700; }
.lead-model-name { font-size: 14px; color: var(--text-secondary); margin: 4px 0; }
.lead-model-level { font-size: 12px; color: var(--text-secondary); margin-bottom: 10px; }
.lead-model-price { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.lead-model-price-note { font-size: 12px; font-weight: 400; color: var(--text-secondary); }
.lead-model-actions { display: flex; gap: 8px; margin-top: auto; }
@media (max-width: 1200px) { .lead-model-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .lead-model-grid { grid-template-columns: repeat(2, 1fr); } .lead-hero { padding: 30px 24px; } .lead-hero h2 { font-size: 24px; } }
@media (max-width: 600px) { .lead-model-grid { grid-template-columns: 1fr; } }