/* ===== QZY Cloud 统一控制台 - 设计系统 ===== */
:root{
  --brand:#4C6FFF;
  --brand-dark:#3451DB;
  --brand-light:#EEF1FF;
  --bg:#F4F6FB;
  --surface:#FFFFFF;
  --sidebar-bg:#12162B;
  --sidebar-bg-active:#1D2240;
  --sidebar-text:#9CA3C4;
  --sidebar-text-active:#FFFFFF;
  --text-primary:#1A1F36;
  --text-secondary:#6B7280;
  --text-tertiary:#98A0B3;
  --border:#E7E9F2;
  --success:#16A34A;
  --success-bg:#EAFBF1;
  --warning:#D97706;
  --warning-bg:#FFF7E6;
  --danger:#DC2626;
  --danger-bg:#FDECEC;
  --info:#0EA5E9;
  --info-bg:#E8F7FF;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:6px;
  --shadow-card:0 1px 2px rgba(16,24,40,.04), 0 2px 8px rgba(16,24,40,.06);
  --shadow-pop:0 8px 24px rgba(16,24,40,.12);
}

*,*::before,*::after{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text-primary);
  font-size:14px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;}
svg{display:block;}

/* ===== 布局 ===== */
.app-shell{display:flex;min-height:100vh;}

.sidebar{
  width:236px;
  flex:0 0 236px;
  background:var(--sidebar-bg);
  color:var(--sidebar-text);
  display:flex;
  flex-direction:column;
  padding:20px 14px;
  position:sticky;
  top:0;
  height:100vh;
}
.sidebar-logo{
  display:flex;align-items:center;gap:10px;
  padding:6px 8px 22px;
  border-bottom:1px solid rgba(255,255,255,.08);
  margin-bottom:16px;
}
.sidebar-logo .mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),#7B8CFF);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:15px;flex:none;
}
.sidebar-logo .name{color:#fff;font-weight:600;font-size:15px;}
.sidebar-logo .tag{font-size:11px;color:var(--sidebar-text);margin-top:1px;}

.nav-group-label{
  font-size:11px;color:#6D7599;padding:14px 10px 6px;letter-spacing:.04em;
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:8px;margin-bottom:2px;
  color:var(--sidebar-text);font-size:13.5px;font-weight:500;
  cursor:pointer;transition:background .15s,color .15s;
}
.nav-item svg{flex:none;opacity:.85;}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-item.active{background:var(--sidebar-bg-active);color:#fff;}
.nav-item.active svg{opacity:1;color:var(--brand);}
.nav-item .badge-count{
  margin-left:auto;background:rgba(255,255,255,.1);color:#D7DCF5;
  font-size:11px;padding:1px 7px;border-radius:99px;
}
.sidebar-foot{
  margin-top:auto;padding:12px 10px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12px;color:#6D7599;
}

.main{flex:1;min-width:0;display:flex;flex-direction:column;}

.topbar{
  height:64px;flex:none;background:var(--surface);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:16px;
  padding:0 24px;position:sticky;top:0;z-index:10;
}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--bg);border:1px solid var(--border);
  border-radius:8px;padding:7px 12px;color:var(--text-tertiary);
  width:280px;font-size:13px;
}
.topbar .spacer{flex:1;}
.mode-switch-wrap{
  display:flex;align-items:center;gap:8px;
  background:var(--brand-light);border-radius:99px;padding:5px 6px 5px 12px;
}
.mode-switch-wrap .mlabel{font-size:12.5px;color:var(--brand-dark);font-weight:600;}
.switch{
  position:relative;width:38px;height:22px;flex:none;
}
.switch input{opacity:0;width:0;height:0;}
.switch .track{
  position:absolute;inset:0;background:#C7CEFA;border-radius:99px;cursor:pointer;transition:.15s;
}
.switch .track::before{
  content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;
  background:#fff;border-radius:50%;transition:.15s;box-shadow:0 1px 3px rgba(0,0,0,.2);
}
.switch input:checked + .track{background:var(--brand);}
.switch input:checked + .track::before{transform:translateX(16px);}

.icon-btn{
  width:36px;height:36px;border-radius:8px;border:1px solid var(--border);
  background:var(--surface);display:flex;align-items:center;justify-content:center;
  color:var(--text-secondary);cursor:pointer;position:relative;flex:none;
}
.icon-btn .dot{
  position:absolute;top:6px;right:6px;width:7px;height:7px;border-radius:50%;
  background:var(--danger);border:2px solid var(--surface);
}
.balance-chip{
  display:flex;align-items:center;gap:10px;background:var(--bg);
  border:1px solid var(--border);border-radius:8px;padding:6px 8px 6px 12px;
}
.balance-chip .amt{font-weight:700;font-size:13.5px;}
.balance-chip .lbl{font-size:11px;color:var(--text-tertiary);}
.user-chip{display:flex;align-items:center;gap:8px;padding-left:6px;}
.avatar{
  width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg,#7B8CFF,var(--brand-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;
}

.content{padding:26px 28px 60px;max-width:1320px;width:100%;margin:0 auto;}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px;gap:16px;flex-wrap:wrap;}
.page-head h1{font-size:20px;margin:0 0 4px;}
.page-head p{margin:0;color:var(--text-secondary);font-size:13px;}
.crumb{font-size:12px;color:var(--text-tertiary);margin-bottom:6px;}
.crumb b{color:var(--text-secondary);font-weight:600;}

/* ===== 通用组件 ===== */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:20px;
}
.card-flat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);}
.card-title{font-size:14.5px;font-weight:700;margin:0 0 2px;display:flex;align-items:center;gap:8px;}
.card-sub{font-size:12.5px;color:var(--text-secondary);margin:0 0 14px;}

.grid{display:grid;gap:16px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:1080px){.grid-4{grid-template-columns:repeat(2,1fr);}.grid-3{grid-template-columns:repeat(2,1fr);}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:8px;border:1px solid transparent;padding:9px 16px;
  font-size:13.5px;font-weight:600;cursor:pointer;transition:.15s;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);}
.btn-secondary{background:var(--surface);border-color:var(--border);color:var(--text-primary);}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand-dark);}
.btn-ghost{background:transparent;color:var(--text-secondary);}
.btn-ghost:hover{background:var(--bg);}
.btn-sm{padding:6px 11px;font-size:12.5px;border-radius:7px;}
.btn-danger-ghost{background:var(--danger-bg);color:var(--danger);}
.btn-block{width:100%;}

.badge{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;
  padding:3px 9px;border-radius:99px;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;}
.badge-success{background:var(--success-bg);color:var(--success);}
.badge-warning{background:var(--warning-bg);color:var(--warning);}
.badge-danger{background:var(--danger-bg);color:var(--danger);}
.badge-info{background:var(--info-bg);color:var(--info);}
.badge-neutral{background:#EEF0F5;color:var(--text-secondary);}

.stat-card{display:flex;align-items:center;gap:14px;}
.stat-card .ic{
  width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex:none;
}
.stat-card .num{font-size:22px;font-weight:800;line-height:1.2;}
.stat-card .lbl{font-size:12.5px;color:var(--text-secondary);margin-top:2px;}
.stat-card .delta{font-size:11.5px;font-weight:600;}
.stat-card .delta.up{color:var(--success);}
.stat-card .delta.down{color:var(--danger);}

.table{width:100%;border-collapse:collapse;font-size:13px;}
.table th{
  text-align:left;color:var(--text-tertiary);font-weight:600;font-size:12px;
  padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap;
}
.table td{padding:12px;border-bottom:1px solid var(--border);vertical-align:middle;}
.table tr:last-child td{border-bottom:none;}
.table tr:hover td{background:#FAFBFF;}
.cell-main{font-weight:600;}
.cell-sub{color:var(--text-tertiary);font-size:12px;margin-top:1px;}

.row-actions{display:flex;gap:6px;}
.mini-ic-btn{
  width:28px;height:28px;border-radius:6px;border:1px solid var(--border);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--text-secondary);cursor:pointer;
}
.mini-ic-btn:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-light);}

/* 环形进度 */
.ring{
  width:74px;height:74px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none;
}
.ring .hole{
  width:54px;height:54px;border-radius:50%;background:var(--surface);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
}
.ring .hole b{font-size:14px;line-height:1;}
.ring .hole span{font-size:9.5px;color:var(--text-tertiary);margin-top:2px;}

/* 简易柱状图 */
.bar-chart{display:flex;align-items:stretch;gap:10px;height:120px;padding-top:10px;}
.bar-chart .col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px;}
.bar-chart .col .bar{
  width:100%;border-radius:6px 6px 2px 2px;background:linear-gradient(180deg,#7B8CFF,var(--brand));
  min-height:4px;
}
.bar-chart .col .bar.muted{background:#DCE1F5;}
.bar-chart .col .x{font-size:11px;color:var(--text-tertiary);}

/* 模式开关联动显隐 */
.adv-only{display:none;}
body.mode-expert .adv-only{display:block;}
body.mode-expert .simple-only{display:none;}
.adv-only.inline{display:none;}
body.mode-expert .adv-only.inline{display:flex;}

/* tabs */
.tabbar{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px;}
.tabbar button{
  background:none;border:none;padding:10px 4px;margin-right:22px;font-size:13.5px;font-weight:600;
  color:var(--text-secondary);cursor:pointer;position:relative;top:1px;
}
.tabbar button.active{color:var(--brand-dark);}
.tabbar button.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--brand);border-radius:2px;
}
.tab-panel{display:none;}
.tab-panel.active{display:block;}

/* 选择卡片（套餐/连接方式） */
.pick-card{
  border:1.5px solid var(--border);border-radius:var(--radius-md);padding:16px;cursor:pointer;position:relative;transition:.15s;
}
.pick-card:hover{border-color:#C4CCFC;}
.pick-card.selected{border-color:var(--brand);background:var(--brand-light);}
.pick-card .tag-pop{
  position:absolute;top:-9px;right:14px;background:var(--brand);color:#fff;font-size:10.5px;
  padding:2px 8px;border-radius:99px;font-weight:700;
}
.pick-card h4{margin:0 0 6px;font-size:14px;}
.pick-card .price{font-size:20px;font-weight:800;color:var(--brand-dark);}
.pick-card .price small{font-size:11.5px;font-weight:500;color:var(--text-tertiary);}
.pick-card ul{margin-top:10px;}
.pick-card li{font-size:12px;color:var(--text-secondary);padding:2px 0;display:flex;gap:6px;align-items:center;}

.notice{
  display:flex;gap:12px;align-items:flex-start;border-radius:var(--radius-md);padding:14px 16px;font-size:13px;
}
.notice-warning{background:var(--warning-bg);color:#92400E;}
.notice-info{background:var(--info-bg);color:#075985;}
.notice b{display:block;font-size:13.5px;margin-bottom:2px;}
.notice-actions{margin-top:8px;display:flex;gap:8px;}

.slider-row{margin-bottom:16px;}
.slider-row .lh{display:flex;justify-content:space-between;font-size:12.5px;margin-bottom:6px;}
.slider-row input[type=range]{width:100%;accent-color:var(--brand);}

.terminal-mock{
  background:#0E1330;border-radius:var(--radius-md);padding:16px;color:#B7C1F2;font-family:"SFMono-Regular",Consolas,monospace;
  font-size:12.5px;line-height:1.8;height:220px;overflow:hidden;
}
.terminal-mock .l1{color:#6EE7B7;}
.terminal-mock .l2{color:#93A4F5;}
.terminal-mock .cursor{display:inline-block;width:6px;height:12px;background:#B7C1F2;vertical-align:middle;animation:blink 1s step-end infinite;}
@keyframes blink{50%{opacity:0;}}

.device-list{border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;}
.device-item{
  display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border);cursor:pointer;
}
.device-item:last-child{border-bottom:none;}
.device-item:hover{background:#FAFBFF;}
.device-item.active{background:var(--brand-light);}
.device-item .dot-status{width:8px;height:8px;border-radius:50%;flex:none;}
.device-item .di-name{font-weight:600;font-size:13px;}
.device-item .di-sub{font-size:11.5px;color:var(--text-tertiary);}

.section-title{font-size:16px;font-weight:700;margin:34px 0 14px;}
.footnote{color:var(--text-tertiary);font-size:12px;margin-top:6px;}

.suggest-panel{
  background:linear-gradient(135deg,#12162B,#232A52);color:#fff;border-radius:var(--radius-lg);padding:26px 28px;margin-top:30px;
}
.suggest-panel h2{margin:0 0 6px;font-size:17px;}
.suggest-panel p.lead{color:#B9C0EA;margin:0 0 18px;font-size:13px;}
.suggest-item{display:flex;gap:12px;margin-bottom:16px;}
.suggest-item .num{
  width:26px;height:26px;border-radius:7px;background:rgba(255,255,255,.12);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex:none;
}
.suggest-item h4{margin:0 0 3px;font-size:13.5px;}
.suggest-item p{margin:0;font-size:12.5px;color:#AEB6E0;}

.link-flow{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--brand-dark);font-weight:600;}