/* ===== PoC 对讲机平台 全局样式 ===== */
:root{
  --primary:#2563eb; --primary-d:#1d4ed8; --bg:#f4f6fb; --card:#fff;
  --text:#1f2937; --muted:#6b7280; --border:#e5e7eb; --danger:#dc2626;
  --success:#16a34a; --warn:#d97706; --dark:#0f172a; --sidebar:#0f172a;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"Microsoft YaHei",Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--primary);text-decoration:none}
.muted{color:var(--muted)}
.hidden{display:none!important}

/* 按钮 */
.btn{display:inline-block;padding:9px 16px;border-radius:8px;border:1px solid transparent;cursor:pointer;font-size:14px;font-weight:600;transition:.15s}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-d)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}.btn-outline:hover{background:#eff6ff}
.btn-success{background:var(--success);color:#fff}
.btn-block{display:block;width:100%;text-align:center;margin-top:10px}
.btn-lg{padding:13px 28px;font-size:16px}

/* 顶栏 */
.topbar{background:var(--dark);color:#fff;position:sticky;top:0;z-index:50}
.topbar-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:60px}
.brand{color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;gap:8px}
.brand-dot{width:12px;height:12px;border-radius:50%;background:var(--primary);display:inline-block}
.nav-links{display:flex;align-items:center;gap:18px}
.nav-links a{color:#cbd5e1;font-size:14px;font-weight:500}
.nav-links a:hover,.nav-links a.active{color:#fff}
.user-chip{background:#1e293b;color:#93c5fd;padding:4px 10px;border-radius:20px;font-size:12px}

/* 英雄区 */
.hero{text-align:center;padding:70px 20px 50px;background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff}
.hero h1{font-size:42px;margin-bottom:14px}
.hero-sub{font-size:17px;opacity:.9;max-width:640px;margin:0 auto 26px}
.hero-cta{display:flex;gap:14px;justify-content:center}

/* 区块 */
.section-title{text-align:center;font-size:26px;margin:46px 0 24px}
.features,.scenarios{max-width:1100px;margin:0 auto;padding:0 20px}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:22px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.card-ico{font-size:30px;margin-bottom:8px}
.card h3{font-size:17px;margin-bottom:6px}
.card p{color:var(--muted);font-size:14px}

.cta-band{text-align:center;background:#eff6ff;padding:40px 20px;margin:50px 0}
.cta-band h2{margin-bottom:10px}.cta-band p{color:var(--muted);margin-bottom:18px}

/* 定价 */
.pricing-wrap{max-width:1100px;margin:0 auto;padding:40px 20px}
.pricing-sub{text-align:center;color:var(--muted);margin-bottom:30px}
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.price-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:24px;position:relative;text-align:center}
.price-card.featured{border:2px solid var(--primary);transform:scale(1.03)}
.price-card .badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;padding:3px 12px;border-radius:20px;font-size:12px}
.price-card h3{font-size:19px;margin-bottom:10px}
.price{font-size:32px;font-weight:800;margin-bottom:16px}.price span{font-size:14px;font-weight:400;color:var(--muted)}
.price-card ul{list-style:none;text-align:left;margin-bottom:18px}.price-card ul li{padding:5px 0;border-bottom:1px dashed var(--border);font-size:14px}
.cmp-title{text-align:center;margin:40px 0 16px}
.cmp-table{width:100%;border-collapse:collapse;margin-top:10px}
.cmp-table th,.cmp-table td{border:1px solid var(--border);padding:10px;text-align:center;font-size:14px}
.cmp-table th{background:#f8fafc}

/* 认证卡片 */
.auth-wrap{max-width:460px;margin:40px auto;padding:0 20px}
.auth-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:30px;box-shadow:0 4px 14px rgba(0,0,0,.06)}
.auth-card h2{margin-bottom:8px}
.auth-tip{color:var(--muted);font-size:13px;margin-bottom:18px}
.auth-card label{display:block;font-size:13px;font-weight:600;margin:14px 0 5px}
.auth-card input,.auth-card select{width:100%;padding:11px;border:1px solid var(--border);border-radius:8px;font-size:14px}
.auth-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;margin-top:10px}
.remember{font-weight:400!important;display:inline!important}
.auth-alt{text-align:center;margin-top:18px;font-size:14px;color:var(--muted)}
.phone-row{display:flex;gap:8px}.phone-row select{width:110px;flex-shrink:0}
.step-num{font-size:12px;color:var(--primary);font-weight:700;margin-bottom:6px}
.code-hint{font-size:12px;color:var(--warn);margin:8px 0;background:#fffbeb;padding:8px;border-radius:6px}
.msg{margin-top:10px;font-size:13px;padding:8px 10px;border-radius:6px;display:none}
.msg.show{display:block}.msg.ok{background:#dcfce7;color:#166534}.msg.err{background:#fee2e2;color:#991b1b}
.qr-box{text-align:center;background:#f8fafc;border:1px dashed var(--border);border-radius:10px;padding:20px;margin:16px 0}
.qr-placeholder{font-size:40px}.qr-img{max-width:200px;width:100%;height:auto;border-radius:8px;display:block;margin:0 auto}.qr-sub{font-size:13px;color:var(--muted);margin-top:6px}
.wechat-tip{display:none;flex-direction:column;align-items:center;margin:14px 0;animation:fadeIn .3s ease}
.wechat-tip-arrow{font-size:28px;color:#ef4444;margin-bottom:8px;transform:translateX(110px)}
.wechat-tip-box{background:#fff7ed;border:1px solid #fdba74;border-radius:12px;padding:14px 16px;text-align:center;color:#7c2d12}
.wechat-tip-box h3{margin:0 0 6px;font-size:16px;color:#c2410c}
.wechat-tip-box p{margin:0;font-size:13px;line-height:1.6}
.wechat-tip-box b{color:#9a3412}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.dl-version{text-align:center;color:var(--muted);margin-bottom:14px;font-weight:600}
.steps-list{padding-left:20px;margin:10px 0;font-size:14px;color:var(--muted)}
.sys-req{margin-top:18px;font-size:13px;background:#f8fafc;padding:12px;border-radius:8px}

/* 用户门户 */
.user-wrap{max-width:1000px;margin:30px auto;padding:0 20px}
.welcome-card{background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff;padding:24px;border-radius:12px;margin-bottom:20px}
.welcome-card h2{margin-bottom:6px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:24px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px;text-align:center}
.stat-card.alert{border-color:var(--danger)}
.stat-num{font-size:28px;font-weight:800}.stat-label{font-size:13px;color:var(--muted);margin-top:4px}
.quick-actions{display:flex;gap:10px;flex-wrap:wrap}
.toolbar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.toolbar input,.toolbar select{padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px}

/* 表格 */
.data-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:10px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.data-table th,.data-table td{padding:11px 12px;text-align:left;font-size:13px;border-bottom:1px solid var(--border)}
.data-table th{background:#f8fafc;font-weight:700;color:#374151}
.data-table tbody tr:hover{background:#f9fafb}
.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.tag.on{background:#dcfce7;color:#166534}.tag.off{background:#e5e7eb;color:#6b7280}
.tag.stock{background:#dbeafe;color:#1d4ed8}.tag.dis{background:#fee2e2;color:#991b1b}
.tag.em{background:#fee2e2;color:#991b1b}
.btn-sm{padding:5px 10px;font-size:12px;border-radius:6px;margin-right:5px}

/* 表单卡片 */
.form-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:22px;margin-bottom:18px;max-width:560px}
.form-card h3{margin:16px 0 10px;font-size:16px;border-top:1px solid var(--border);padding-top:14px}
.form-card h3:first-child{border-top:none;padding-top:0}
.form-card label{display:block;font-size:13px;font-weight:600;margin:10px 0 5px}
.form-card input,.form-card select,.form-card textarea{width:100%;padding:10px;border:1px solid var(--border);border-radius:8px;font-size:14px}

/* 管理后台布局 */
.admin-layout{display:flex;min-height:calc(100vh - 60px)}
.sidebar{width:220px;background:var(--sidebar);color:#cbd5e1;padding:18px 0;flex-shrink:0}
.sidebar-title{color:#fff;font-weight:700;padding:0 20px 14px;font-size:13px;letter-spacing:1px;text-transform:uppercase}
.sidebar a{display:block;padding:11px 20px;color:#cbd5e1;font-size:14px;border-left:3px solid transparent}
.sidebar a:hover,.sidebar a.active{background:#1e293b;color:#fff;border-left-color:var(--primary)}
.admin-main{flex:1;padding:24px 28px;overflow-x:auto}
.admin-main h2{margin-bottom:18px}
.admin-main h3{margin:22px 0 12px;font-size:16px}

/* 活动流 */
.activity-stream{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px;max-height:400px;overflow-y:auto}
.activity-stream .item{padding:8px 0;border-bottom:1px solid var(--border);font-size:13px}
.activity-stream .item .t{color:var(--muted);font-size:11px}

/* 调度 */
.dispatch-layout{display:flex;gap:18px}
.dispatch-map{flex:2}.dispatch-side{flex:1;min-width:260px}
.map-box{background:#1e293b;color:#64748b;border-radius:10px;height:460px;display:flex;align-items:center;justify-content:center;font-size:15px;position:relative;overflow:hidden}
.map-dot{position:absolute;width:14px;height:14px;border-radius:50%;background:var(--success);border:3px solid #fff;box-shadow:0 0 0 4px rgba(22,163,74,.3)}
.dispatch-side select,.dispatch-side textarea{width:100%;padding:9px;border:1px solid var(--border);border-radius:8px;margin-bottom:8px}

/* 弹窗 */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:100}
.modal-box{background:#fff;border-radius:14px;padding:26px;width:90%;max-width:440px}
.modal-box h3{margin-bottom:12px}
.modal-box input,.modal-box textarea{width:100%;padding:10px;border:1px solid var(--border);border-radius:8px;margin-bottom:10px;font-size:14px}
.modal-actions{display:flex;gap:10px;margin-top:8px}

/* 页脚 */
.footer{background:var(--dark);color:#94a3b8;padding:24px 20px;margin-top:40px}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}
.footer-links a{color:#94a3b8;margin:0 4px}

/* 响应式 */
@media(max-width:768px){
  .nav-links{gap:10px}.nav-links a:not(.btn){display:none}
  .hero h1{font-size:30px}
  .admin-layout{flex-direction:column}.sidebar{width:100%;display:flex;overflow-x:auto}
  .sidebar a{border-left:none;border-bottom:3px solid transparent;white-space:nowrap}
  .dispatch-layout{flex-direction:column}
}

/* 热点盒子绑定页 */
.container{max-width:1120px;margin:0 auto;padding:0 16px}
.alert{padding:12px 14px;border-radius:8px;font-size:14px;line-height:1.6;margin:12px 0}
.alert-info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af}
.alert-warn{background:#fffbeb;border:1px solid #fde68a;color:#92400e}
.alert-success{background:#ecfdf5;border:1px solid #6ee7b7;color:#065f46}
.alert-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
code{background:#f1f5f9;padding:2px 6px;border-radius:4px;font-size:13px}

/* 通用徽标（用户管理·关联设备列等） */
.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:600;line-height:1.6;vertical-align:middle}
.badge-on{background:#dcfce7;color:#166534}
.badge-off{background:#fee2e2;color:#991b1b}
.badge-gray{background:#f1f5f9;color:#475569}

/* 关联设备管理弹窗 */
.device-list{display:flex;flex-direction:column;gap:8px;max-height:260px;overflow:auto;margin-bottom:6px}
.dev-item{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:13px}