:root{
  --bg:#ffffff; --panel:#ffffff; --panel-solid:#f6f7f9; --line:#e5e7eb;
  --text:#1f2328; --sub:#6b7280; --accent:#2563eb; --accent2:#1d4ed8;
  --ok:#15803d; --warn:#b45309; --danger:#b91c1c;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Segoe UI","Microsoft YaHei",system-ui,sans-serif;line-height:1.6}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1060px;margin:0 auto;padding:0 22px}
header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;gap:14px;height:60px}
.logo{width:32px;height:32px;border-radius:8px;background:#1f2328;display:grid;place-items:center;font-weight:800;color:#fff;flex:none}
.logo:hover{text-decoration:none}
header .name{font-weight:650;color:var(--text)}
header .name:hover{text-decoration:none}
header .spacer{flex:1}
header nav{display:flex;gap:16px;font-size:13.5px}
header nav a{color:var(--sub)}
header nav a:hover{color:var(--text);text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;padding:9px 16px;font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:.15s;background:#fff;color:var(--text)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent2);text-decoration:none}
.btn-ghost{border-color:#d1d5db;background:#fff}
.btn-ghost:hover{border-color:#9ca3af;text-decoration:none}
.btn-sm{padding:6px 11px;font-size:12.5px;border-radius:6px}
.btn-danger{background:#fff;border-color:#fca5a5;color:var(--danger)}
.btn-danger:hover{background:#fef2f2}
.btn[disabled]{opacity:.5;pointer-events:none}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px}
.grid{display:grid;gap:14px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
h1,h2,h3{margin:0}
h1{font-size:28px;letter-spacing:-.4px;color:#111827}
h2{font-size:19px;margin:0 0 12px}
h3{font-size:15px}
.muted{color:var(--sub);font-size:12.8px}
.mono{font-family:Consolas,monospace;font-size:12.5px}
label{display:block;font-size:12.5px;color:var(--sub);margin:10px 0 5px}
input,select{width:100%;background:#fff;border:1px solid #d1d5db;border-radius:6px;color:var(--text);padding:9px 11px;font-size:14px;outline:none;transition:.15s}
input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row-between{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 10px;font-size:11.5px;border:1px solid var(--line);color:var(--sub);background:#fff}
.badge.ok{color:#15803d;border-color:#bbf7d0;background:#f0fdf4}
.badge.warn{color:#b45309;border-color:#fde68a;background:#fffbeb}
.badge.danger{color:#b91c1c;border-color:#fecaca;background:#fef2f2}
.tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin-bottom:18px;flex-wrap:wrap}
.tab{padding:9px 14px;font-size:14px;color:var(--sub);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab:hover{color:var(--text)}
.tab.active{color:var(--text);border-bottom-color:var(--accent)}
.hide{display:none!important}
.progress{height:8px;border-radius:4px;background:#eef0f3;overflow:hidden}
.progress>i{display:block;height:100%;background:var(--accent);border-radius:4px;transition:width .4s}
.plan{position:relative;display:flex;flex-direction:column;gap:10px}
.plan .price{font-size:26px;font-weight:700}
.plan .price small{font-size:12px;color:var(--sub);font-weight:500}
.plan ul{margin:0;padding-left:18px;color:#4b5563;font-size:12.8px}
.plan li{margin:4px 0}
.plan .tag{position:absolute;right:16px;top:16px}
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 16px;font-size:13.5px;opacity:0;transition:.25s;z-index:100;pointer-events:none;max-width:90vw;box-shadow:0 6px 20px rgba(0,0,0,.08)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.ok{border-color:#bbf7d0}
.toast.err{border-color:#fecaca}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
th{color:var(--sub);font-weight:600;font-size:12px;background:#f9fafb}
.modal{position:fixed;inset:0;background:rgba(17,24,39,.4);display:grid;place-items:center;z-index:50;padding:20px}
.modal .card{max-width:460px;width:100%}
.qr{width:220px;height:220px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px;display:block;margin:12px auto}
.kv{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px dashed #eef0f3;font-size:13px}
.kv:last-child{border-bottom:none}
.kv span:first-child{color:var(--sub)}
.auth-wrap{max-width:420px;margin:50px auto}
.code{background:#f3f4f6;border:1px solid var(--line);border-radius:6px;padding:2px 8px;font-family:Consolas,monospace;font-size:12px;color:#374151}
footer{border-top:1px solid var(--line);margin-top:36px;padding:22px 0;color:var(--sub);font-size:12.5px}
.auth-shell{display:grid;grid-template-columns:1fr 400px;gap:44px;align-items:center;max-width:920px;margin:56px auto;padding:0 22px}
.auth-logo{width:44px;height:44px;border-radius:10px;background:#1f2328;color:#fff;display:grid;place-items:center;font-weight:800;font-size:20px}
.auth-intro h1{font-size:30px;margin:14px 0 8px}
.auth-points{margin:18px 0 0;padding-left:18px;color:#4b5563;font-size:13px}
.auth-points li{margin:6px 0}
.auth-card{padding:24px}
.auth-skip{text-align:center;margin:16px 0 0;font-size:12.5px;color:var(--sub)}
.console{display:flex;gap:22px;align-items:flex-start;padding:24px 0 40px}
.sidebar{width:208px;flex:none;position:sticky;top:84px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px}
.userbox{display:flex;gap:10px;align-items:center;padding:4px 4px 14px;border-bottom:1px solid var(--line)}
.avatar{width:38px;height:38px;border-radius:50%;background:#eef2f7;color:#374151;display:grid;place-items:center;font-weight:700;font-size:16px;flex:none}
.uname{font-weight:650;font-size:14px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.umeta{font-size:11.5px;color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-nav{display:flex;flex-direction:column;gap:2px;margin:10px 0}
.side-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:6px;color:var(--sub);font-size:13.5px}
.side-item:hover{background:#f6f7f9;color:var(--text);text-decoration:none}
.side-item.active{background:#eff4ff;color:var(--accent);font-weight:600}
.side-item .ico{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.side-foot{border-top:1px solid var(--line);padding-top:12px}
.main{flex:1;min-width:0}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin:0 0 18px;flex-wrap:wrap}
.page-head h1{font-size:24px}
@media(max-width:760px){
  .wrap{padding:0 14px}
  header .wrap{height:56px;gap:10px}
  header .name{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:42vw}
  header .btn-sm{padding:6px 10px;font-size:12px;white-space:nowrap}
  h1{font-size:22px}
  .card{padding:16px;border-radius:12px}
  .grid{gap:12px}
  .grid-2,.grid-4{grid-template-columns:1fr}
  .console{display:block;padding:10px 0 100px}
  .sidebar{width:auto;position:static;margin:0;padding:0;border:0;background:transparent}
  .userbox,.side-foot{display:none}
  .side-nav{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:repeat(6,1fr);gap:2px;
    margin:0;padding:7px 6px calc(7px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -6px 18px rgba(15,23,42,.06);overflow:visible}
  .side-item{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:8px 2px;min-height:52px;font-size:10.5px;
    line-height:1.15;border-radius:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;gap:3px}
  .side-item .ico{width:17px;height:17px}
  .side-item.active{background:#eff4ff}
  .page-head{margin-bottom:12px;align-items:flex-start}
  .page-head h1{font-size:20px}
  .page-head .muted{font-size:12px}
  .tabs{flex-wrap:nowrap;overflow-x:auto;gap:4px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .tabs::-webkit-scrollbar{display:none}
  .tab{white-space:nowrap;padding:9px 11px;font-size:13px}
  .auth-shell{grid-template-columns:1fr;gap:14px;margin:18px auto;padding:0 14px}
  .auth-intro{display:none}
  .auth-card{padding:18px}
  .auth-wrap{margin:18px auto}
  .auth-intro h1{font-size:24px}
  input,select{font-size:16px;padding:11px 12px}
  .row{gap:8px}
  .row input{min-width:0}
  .btn{padding:10px 14px}
  .kv{font-size:12.5px}
  .modal{padding:12px}
  .modal .card{padding:16px}
  .qr{width:180px;height:180px}
  table{font-size:12px}
  th,td{padding:8px 6px}
  .account-page footer{padding-bottom:104px}
  .account-page .view[data-view="orders"] th:nth-child(4),
  .account-page .view[data-view="orders"] td:nth-child(4),
  .account-page .view[data-view="orders"] th:nth-child(6),
  .account-page .view[data-view="orders"] td:nth-child(6){display:none}
  #stats{grid-template-columns:repeat(2,1fr)}
  #tab-users table th:nth-child(3),#tab-users table td:nth-child(3),
  #tab-users table th:nth-child(5),#tab-users table td:nth-child(5),
  #tab-users table th:nth-child(6),#tab-users table td:nth-child(6),
  #tab-orders table th:nth-child(5),#tab-orders table td:nth-child(5),
  #tab-orders table th:nth-child(7),#tab-orders table td:nth-child(7){display:none}
}
@media(max-width:640px){
  header nav{display:none}
  .auth-wrap{margin:18px auto}
  .side-item{font-size:10.5px}
}