:root{
  --bg:#f5f7fb; --card:#ffffff; --line:#e6e9f0; --text:#1f2733; --muted:#7a8699;
  --blue:#2563eb; --blue-soft:#e8f0fe; --green:#16a34a; --yellow:#d97706; --purfer:#7c3aed; --red:#dc2626; --gray:#94a3b8;
  --shadow:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
  --shadow-lg:0 20px 50px rgba(16,24,40,.18);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;cursor:pointer}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px}

.layout{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--card);border-right:1px solid var(--line);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:40}
.brand{display:flex;align-items:center;gap:11px;padding:20px 18px;border-bottom:1px solid var(--line)}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand strong{font-size:16px;font-weight:800;display:block;line-height:1.2}
.brand small{color:var(--muted);font-size:11px}
.menu{padding:12px 10px;display:flex;flex-direction:column;gap:3px;overflow-y:auto}
.menu a{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:9px;color:#475063;font-weight:500;transition:.15s}
.menu a .mi{width:18px;text-align:center;color:var(--muted);font-size:15px}
.menu a:hover{background:var(--bg)}
.menu a.active{background:var(--blue-soft);color:var(--blue);font-weight:700}
.menu a.active .mi{color:var(--blue)}

.main{flex:1;margin-left:220px;display:flex;flex-direction:column;min-width:0}
.topbar{height:64px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 24px;position:sticky;top:0;z-index:20}
.topbar h1{font-size:18px;font-weight:800}
.topbar-right{margin-left:auto;display:flex;gap:10px;align-items:center}
.hamburger{display:none;background:var(--bg);border:1px solid var(--line);width:40px;height:40px;border-radius:9px;font-size:18px}
.content{padding:24px;flex:1}

/* 卡片/网格 */
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.card h3{font-size:14px;font-weight:700;margin-bottom:14px;color:#39414f;display:flex;align-items:center;justify-content:space-between}
.stat-card{display:flex;flex-direction:column;gap:8px}
.stat-card .ico{width:38px;height:38px;border-radius:10px;background:var(--blue-soft);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--blue)}
.stat-card .num{font-size:28px;font-weight:900;font-variant-numeric:tabular-nums;line-height:1}
.stat-card .lbl{color:var(--muted);font-size:13px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:9px;border:1px solid var(--line);background:#fff;color:#39414f;font-weight:600;font-size:13px;transition:.15s}
.btn:hover{border-color:var(--blue);color:var(--blue)}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn-primary:hover{background:#1d4ed8;color:#fff}
.btn-danger{color:var(--red);border-color:#f3c6c6}
.btn-danger:hover{background:#fef2f2;color:var(--red)}
.btn-sm{padding:6px 11px;font-size:12px}
.btn-block{width:100%;justify-content:center}

/* 表单 */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:#475063}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;outline:none;background:#fff;color:var(--text);transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.field textarea{resize:vertical;min-height:80px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar input,.toolbar select{padding:9px 12px;border:1px solid var(--line);border-radius:9px;outline:none;background:#fff}
.toolbar .search{flex:1;min-width:160px}

/* 表格 */
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#fafbfd;font-size:12px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.4px}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafbff}
td .cell-main{font-weight:600}
td .cell-sub{color:var(--muted);font-size:12px;white-space:normal;max-width:280px;overflow:hidden;text-overflow:ellipsis}

/* 徽章/状态 */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.b-new{background:#e8f0fe;color:#2563eb}
.b-contacted{background:#fef3e2;color:#d97706}
.b-interested{background:#f3e8ff;color:#7c3aed}
.b-won{background:#dcfce7;color:#16a34a}
.b-ignored{background:#f1f5f9;color:#94a3b8}
.tag{display:inline-block;padding:2px 9px;background:var(--bg);border-radius:7px;font-size:12px;color:#5b6573;margin:2px}
.plat{font-weight:600;font-size:12px}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}

/* 分页 */
.pagination{display:flex;gap:6px;align-items:center;justify-content:flex-end;margin-top:14px}
.pagination .info{color:var(--muted);font-size:12px;margin-right:8px}

/* 图表 */
.chart{width:100%;height:260px}
.legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;font-size:12px;color:#5b6573}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block;margin-right:5px}
.bar-row{display:flex;align-items:center;gap:10px;margin-bottom:9px;font-size:12px}
.bar-row .name{width:70px;color:#5b6573}
.bar-row .track{flex:1;height:18px;background:var(--bg);border-radius:6px;overflow:hidden}
.bar-row .fill{height:100%;background:var(--blue);border-radius:6px}
.bar-row .val{width:34px;text-align:right;font-weight:700}

/* 抽屉 */
.drawer-mask,.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.45);opacity:0;visibility:hidden;transition:.2s;z-index:60}
.drawer-mask.show,.modal-mask.show{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:460px;max-width:94vw;background:var(--card);z-index:70;transform:translateX(100%);transition:.25s;display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}
.drawer.show{transform:translateX(0)}
.drawer-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-head h3{font-size:16px;font-weight:800}
.drawer-body{padding:20px;overflow-y:auto;flex:1}
.x-btn{background:var(--bg);border:none;width:34px;height:34px;border-radius:8px;font-size:16px;color:var(--muted)}
.modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-46%);width:520px;max-width:94vw;max-height:88vh;background:var(--card);border-radius:16px;z-index:70;opacity:0;visibility:hidden;transition:.2s;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}
.modal.show{opacity:1;visibility:visible;transform:translate(-50%,-50%)}
.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);font-weight:800;font-size:16px}
.modal-body{padding:20px;overflow-y:auto}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end}

/* toast */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(20px);background:#1f2937;color:#fff;padding:11px 22px;border-radius:10px;font-size:13px;font-weight:600;opacity:0;visibility:hidden;transition:.25s;z-index:90;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.toast.error{background:#b91c1c}.toast.success{background:#15803d}

/* 时间线 */
.timeline{position:relative;padding-left:20px}
.timeline:before{content:'';position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;margin-bottom:16px}
.tl-item:before{content:'';position:absolute;left:-19px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--blue);border:2px solid #fff;box-shadow:0 0 0 1px var(--blue)}
.tl-item .tl-time{font-size:11px;color:var(--muted)}
.tl-item .tl-text{font-size:13px}
.kv{display:grid;grid-template-columns:90px 1fr;gap:8px 12px;font-size:13px;margin-bottom:4px}
.kv .k{color:var(--muted)}
.switch{position:relative;display:inline-block;width:42px;height:24px}
.switch input{opacity:0;width:0;height:0}
.slider-sw{position:absolute;inset:0;background:#cbd5e1;border-radius:20px;transition:.2s}
.slider-sw:before{content:'';position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked+.slider-sw{background:var(--blue)}
.switch input:checked+.slider-sw:before{transform:translateX(18px)}
.privacy{font-size:12px;color:var(--muted);background:var(--bg);border-radius:10px;padding:11px 13px;margin-top:10px;line-height:1.6}
.empty{text-align:center;color:var(--muted);padding:50px 20px}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}

@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .sidebar{transform:translateX(-100%);transition:.25s}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .hamburger{display:block}
  .content{padding:16px}
  .g4,.g3,.g2{grid-template-columns:1fr}
  .topbar{padding:0 16px}
}