:root {
  --bg: #f5f7fb;
  --bg-2: #eef2f8;
  --surface: rgba(255,255,255,0.72);
  --surface-strong: rgba(255,255,255,0.88);
  --text: #111827;
  --muted: #6b7280;
  --line: rgba(15,23,42,0.08);
  --primary: #0071e3;
  --primary-strong: #005bb5;
  --danger: #d92d20;
  --danger-bg: #fff2f0;
  --success: #067647;
  --success-bg: #ecfdf3;
  --warning: #b54708;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.10);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(0,113,227,.16), transparent 32%),
    radial-gradient(circle at top right, rgba(99,102,241,.12), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 50%, var(--bg-2) 100%);
  min-height:100vh;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:none}
.page{max-width:1180px;margin:0 auto;padding:24px 18px 48px}
.page.narrow{max-width:760px}
.page.tiny{max-width:520px}
.hero{margin-bottom:18px}
.hero h1{margin:0;font-size:clamp(28px,4vw,42px);line-height:1.1;letter-spacing:-.02em}
.hero p{margin:8px 0 0;color:var(--muted);font-size:15px;line-height:1.6}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.topbar-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.topbar-title{display:flex;flex-direction:column;gap:6px}
.topbar-title h1{margin:0;font-size:clamp(26px,3.5vw,38px);letter-spacing:-.02em}
.topbar-title p{margin:0;color:var(--muted)}
.card{
  background:var(--surface);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border:1px solid rgba(255,255,255,.52);
  box-shadow:var(--shadow);
  border-radius:var(--radius-xl);
  padding:22px;
  margin-bottom:20px;
}
.card h2,.card h3{margin:0 0 12px;letter-spacing:-.02em}
.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.muted,.small,.small-note,.note{color:var(--muted);line-height:1.6}
.small,.small-note{font-size:13px}
.note{font-size:14px}
.msg,.err,.success-box,.error-box,.hint,.status-box{
  border-radius:18px;padding:14px 16px;margin:0 0 16px;border:1px solid var(--line);line-height:1.6
}
.msg,.success-box{background:var(--success-bg);color:var(--success);border-color:rgba(6,118,71,.18)}
.err,.error-box{background:var(--danger-bg);color:var(--danger);border-color:rgba(217,45,32,.16)}
.hint,.status-box{background:rgba(0,113,227,.08);color:#174ea6;border-color:rgba(0,113,227,.14)}
.grid{display:grid;gap:18px}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.field{display:flex;flex-direction:column;gap:8px}
label{display:block;font-weight:600;font-size:14px;color:#1f2937}
input,select,textarea,button{
  font:inherit;
}
input[type="text"],input[type="password"],input[type="number"],input[type="datetime-local"],select,textarea{
  width:100%;
  border:1px solid rgba(15,23,42,.10);
  background:rgba(255,255,255,.9);
  color:var(--text);
  border-radius:16px;
  padding:13px 14px;
  outline:none;
  transition:.18s ease;
  min-height:48px;
}
input:focus,select:focus,textarea:focus{border-color:rgba(0,113,227,.45);box-shadow:0 0 0 4px rgba(0,113,227,.12)}
.checkbox-wrap{display:flex;justify-content:center;align-items:center;min-height:48px}
.checkbox-wrap input{width:20px;height:20px}
.btn,.btn-primary,.btn-secondary,.btn-danger,.btn-ghost,.btn-save,.btn-add,.btn-buy,.btn-pay,.btn-next,.btn-edit,.btn-delete,.btn-create,.btn-nav,.btn-logout{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 18px;border-radius:999px;border:1px solid transparent;
  font-weight:600;cursor:pointer;text-decoration:none;transition:.18s ease;white-space:nowrap;
}
.btn:hover,.btn-primary:hover,.btn-secondary:hover,.btn-danger:hover,.btn-ghost:hover,.btn-save:hover,.btn-add:hover,.btn-buy:hover,.btn-pay:hover,.btn-next:hover,.btn-edit:hover,.btn-delete:hover,.btn-create:hover,.btn-nav:hover,.btn-logout:hover{transform:translateY(-1px)}
.btn,.btn-primary,.btn-add,.btn-buy,.btn-pay,.btn-next,.btn-edit,.btn-create,.btn-nav{background:var(--primary);color:#fff}
.btn-secondary,.btn-ghost,.btn-back,.btn-logout{background:rgba(17,24,39,.06);color:var(--text);border-color:rgba(15,23,42,.08)}
.btn-save{background:#12a150;color:#fff}
.btn-danger,.btn-delete,.btn-delete-link{background:#e5484d;color:#fff}
.actions,.nav,.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.inline-form{display:inline-flex;margin:0}
.table-wrap{overflow:auto;border-radius:20px;border:1px solid rgba(15,23,42,.08);background:rgba(255,255,255,.55)}
table{width:100%;border-collapse:separate;border-spacing:0;min-width:820px}
th,td{padding:14px 12px;border-bottom:1px solid rgba(15,23,42,.08);vertical-align:top;text-align:left}
th{background:rgba(255,255,255,.78);font-size:13px;color:#475467;position:sticky;top:0;z-index:1}
tr:last-child td{border-bottom:none}
.table-actions{display:flex;flex-wrap:wrap;gap:8px}
.badge{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700;background:rgba(0,113,227,.1);color:var(--primary)}
.badge.ok{background:rgba(6,118,71,.12);color:var(--success)}
.badge.off{background:rgba(107,114,128,.12);color:#4b5563}
.kv-list{display:grid;gap:12px;margin-top:8px}
.kv-item{display:flex;justify-content:space-between;gap:16px;padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.52);border:1px solid rgba(15,23,42,.06)}
.kv-item .k{color:var(--muted)}
.kv-item .v{font-weight:700;text-align:right;word-break:break-word}
.price{font-size:clamp(28px,5vw,40px);font-weight:800;letter-spacing:-.03em;color:var(--primary)}
.center{text-align:center}
.plan-list{display:grid;gap:14px}
.plan-card{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px;border-radius:22px;background:rgba(255,255,255,.66);border:1px solid rgba(15,23,42,.06)}
.plan-meta{color:var(--muted);font-size:14px;line-height:1.6}
.credential{padding:16px;border-radius:18px;background:rgba(255,255,255,.55);border:1px solid rgba(15,23,42,.08);font-size:16px}
.credential strong{display:block;margin-top:6px;font-size:clamp(24px,5vw,34px);letter-spacing:.02em;color:var(--primary);word-break:break-all}
.footer-note{margin-top:16px;color:var(--muted);font-size:13px;line-height:1.6}
@media (max-width: 900px){
  .grid.cols-2,.grid.cols-3{grid-template-columns:1fr}
  .plan-card{flex-direction:column;align-items:flex-start}
}
@media (max-width: 680px){
  .page{padding:16px 12px 32px}
  .card{padding:18px;border-radius:20px}
  .topbar{align-items:stretch}
  .topbar-left{align-items:flex-start}
  .actions,.nav,.toolbar,.table-actions{width:100%}
  .actions > *, .nav > *, .toolbar > *, .inline-form, .inline-form > *{width:100%}
  .btn,.btn-primary,.btn-secondary,.btn-danger,.btn-ghost,.btn-save,.btn-add,.btn-buy,.btn-pay,.btn-next,.btn-edit,.btn-delete,.btn-create,.btn-nav,.btn-logout{width:100%}
  .kv-item{flex-direction:column;gap:6px}
  .kv-item .v{text-align:left}
  table{min-width:0;border-spacing:0}
  .table-wrap{border:none;background:transparent;overflow:visible}
  table,thead,tbody,tr,th,td{display:block;width:100%}
  thead{display:none}
  tbody{display:grid;gap:12px}
  tr{background:rgba(255,255,255,.66);border:1px solid rgba(15,23,42,.08);border-radius:20px;padding:10px 12px;box-shadow:var(--shadow)}
  td{border:none;padding:8px 0;display:flex;justify-content:space-between;gap:14px}
  td::before{content:attr(data-label);font-weight:700;color:#475467;flex:0 0 42%}
  td > *{max-width:58%}
  td .table-actions,td form,td a,td button{max-width:none}
}