:root{
  --bg:#0b0f14;--bg-2:#10161e;--panel:#151b23;--raised:#1d2530;--overlay:#242d39;
  --line:#313c49;--text:#f2f5f8;--muted:#8c97a5;--dim:#64707f;
  --accent:#9dc4e6;--accent-strong:#c3def4;--accent-soft:#4e667b;--success:#8bd5b2;
  --danger:#e58292;--warn:#e6c489;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  background:radial-gradient(900px 480px at 82% -8%,rgba(120,170,220,.12),transparent 60%),
             linear-gradient(180deg,#0a0e13,#0b0f14 40%,#080c11);
  color:var(--text);min-height:100vh;
  font-family:"Segoe UI Variable","Segoe UI","Microsoft YaHei UI",system-ui,sans-serif;
}
a{color:var(--accent);text-decoration:none}
.topbar{
  position:sticky;top:0;z-index:20;height:64px;display:flex;align-items:center;gap:22px;
  padding:0 28px;background:rgba(13,18,25,.72);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.04em}
.brand .mark{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:14px;
  background:linear-gradient(135deg,#5f86b0,#9dc4e6);color:#0b0f14;font-weight:800;
}
.topbar nav{display:flex;gap:18px;margin-left:8px}
.topbar nav a{color:var(--muted);font-size:14px}
.topbar nav a:hover,.topbar nav a.active{color:var(--text)}
.topbar .spacer{flex:1}
.wrap{max-width:1120px;margin:0 auto;padding:34px 24px 80px}
h1.page{font-size:28px;margin:6px 0 4px}
.sub{color:var(--muted);font-size:14px;margin:0 0 26px}
.grid{display:grid;gap:16px}
.cols-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.cols-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{
  background:linear-gradient(180deg,var(--panel),#121821);border:1px solid var(--line);
  border-radius:16px;padding:20px;
}
.card.featured{border-color:var(--accent-soft);box-shadow:0 0 0 1px rgba(157,196,230,.15) inset,0 18px 50px rgba(0,0,0,.35)}
.card h3{margin:0 0 6px;font-size:17px}
.tag{display:inline-block;font-size:11px;letter-spacing:.14em;color:var(--accent);border:1px solid var(--accent-soft);
  padding:3px 9px;border-radius:999px;margin-bottom:10px}
.price{font-size:30px;font-weight:800;margin:8px 0 2px}.price small{font-size:13px;color:var(--muted);font-weight:500}
.perks{list-style:none;padding:0;margin:12px 0 16px;display:grid;gap:8px;color:var(--muted);font-size:13.5px}
.perks li::before{content:"✓";color:var(--success);margin-right:8px;font-weight:700}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  border:1px solid var(--line);background:var(--raised);color:var(--text);
  padding:11px 16px;border-radius:11px;font-size:14px;font-weight:600;transition:.15s;
}
.btn:hover{border-color:var(--accent-soft)}
.btn.primary{background:linear-gradient(135deg,#7fb0dd,#9dc4e6);color:#0b0f14;border:0;font-weight:700}
.btn.ghost{background:transparent}
.btn.danger{border-color:#6d3542;color:var(--danger)}
.btn.block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed}
input,select,textarea{
  width:100%;padding:11px 13px;background:var(--raised);border:1px solid var(--line);border-radius:10px;
  color:var(--text);font-size:14px;outline:none;font-family:inherit}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
label.fld{display:block;margin:12px 0}
label.fld span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.row{display:grid;grid-template-columns:1fr auto;gap:10px}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:12px;letter-spacing:.06em}
.badge{font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.badge.ok{color:var(--success);border-color:#2f7a55;background:#12271d}
.badge.no{color:var(--danger);border-color:#6d3542;background:#2a161c}
.badge.warn{color:var(--warn);border-color:#6b5630;background:#241e12}
.msg{font-size:13px;margin-top:10px;min-height:18px}
.msg.ok{color:var(--success)}.msg.err{color:var(--danger)}
.kv{display:grid;grid-template-columns:120px 1fr;gap:10px 14px;font-size:14px}
.kv dt{color:var(--muted)}
.kv dd{margin:0}
.muted{color:var(--muted)}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.tabs a,.tabs button{padding:8px 14px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;font-size:13px}
.tabs .active{color:var(--text);background:var(--raised)}
.section-title{font-size:13px;letter-spacing:.14em;color:var(--dim);text-transform:uppercase;margin:26px 0 12px}
.empty{color:var(--dim);text-align:center;padding:30px;font-size:14px}
.dialog-back{position:fixed;inset:0;background:rgba(4,7,11,.66);backdrop-filter:blur(6px);display:none;place-items:center;z-index:50}
.dialog-back.open{display:grid}
.dialog{width:min(420px,92vw);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px}
.copy-mono{font-family:ui-monospace,Consolas,monospace;font-size:12px;color:var(--accent)}
@media(max-width:640px){.topbar nav{display:none}.kv{grid-template-columns:1fr}}