:root{
  --bg:#f4f6fb;--card:#fff;--ink:#141b3a;--mut:#5d6685;--line:#dfe3f0;
  --pri:#5b4bff;--pri2:#4638e0;--ok:#0f9d78;--warn:#b57a00;--err:#d6455d;--console:#0f1530;
  --okbg:#e2f6ef;--warnbg:#fff3d6;--errbg:#fde6ea;--mutbg:#eceff7;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 "Segoe UI",Inter,system-ui,-apple-system,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
[hidden]{display:none!important}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;margin:0;letter-spacing:-.02em}
p{margin:0}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid #b9b2ff;outline-offset:2px}

#nav{position:sticky;top:0;z-index:20;background:rgba(244,246,251,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}
.brand b{color:var(--pri)}
.logo{width:32px;height:32px;border-radius:10px 10px 10px 3px;background:var(--pri);color:#fff;display:grid;place-items:center;font-weight:800}
#nav nav{display:flex;align-items:center;gap:16px}
#nav nav a:not(.btn){font-weight:600;color:var(--mut)}
#nav nav a:not(.btn):hover{color:var(--ink)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;cursor:pointer;font:inherit;font-weight:650;padding:11px 18px;border-radius:10px;background:var(--pri);color:#fff;transition:background .15s,transform .05s}
.btn:hover{background:var(--pri2)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.sm{padding:7px 14px;font-size:14px}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:#fff}
.btn.ok{background:var(--ok)}
.btn.danger{background:var(--err)}
.btn.block{width:100%}

.hero{padding:64px 0 48px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(34px,5.2vw,58px);font-weight:800}
.hero .sub{margin-top:18px;font-size:18px;color:var(--mut);max-width:34em}
.hero .cta{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}
.console{background:var(--console);color:#cfd6ff;border-radius:18px 18px 18px 4px;box-shadow:0 24px 60px -20px rgba(20,27,58,.5);overflow:hidden;font:13.5px/1.7 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.console .bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#171e42;color:#8f99d6;font-size:12.5px}
.console .dot{width:9px;height:9px;border-radius:50%;background:#37e0b0}
.console .body{padding:16px 18px;min-height:230px}
.console .ln{opacity:0;animation:ln .01s forwards;white-space:pre-wrap;word-break:break-word}
.console .t{color:#6f7bbd}
.console .g{color:#37e0b0}
.console .p{color:#a99dff}
@keyframes ln{to{opacity:1}}

section.block{padding:56px 0}
.sec-h{display:flex;align-items:end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.sec-h h2{font-size:clamp(26px,3.5vw,36px);font-weight:800}
.sec-h p{color:var(--mut);margin-top:6px}
.tabs{display:flex;gap:8px;flex-wrap:wrap}
.tab{border:1px solid var(--line);background:#fff;border-radius:99px;padding:8px 16px;font:inherit;font-weight:600;color:var(--mut);cursor:pointer}
.tab.on{background:var(--ink);border-color:var(--ink);color:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.pkg{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:12px}
.pkg h3{font-size:16px;font-weight:700;color:var(--mut)}
.price{font-size:30px;font-weight:800;letter-spacing:-.02em}
.price small{font-size:14px;font-weight:600;color:var(--mut)}
.spec{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.spec li{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.spec li span{color:var(--mut)}
.pkg .desc{font-size:14px;color:var(--mut);flex:1}
.fac{margin:24px 0 0;padding:20px 24px;background:#fff;border:1px solid var(--line);border-radius:16px 16px 16px 4px;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px 24px;list-style:none}
.fac li::before{content:"✓";color:var(--ok);font-weight:800;margin-right:8px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;counter-reset:s;padding:0;list-style:none;margin:0}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.steps li::before{content:counter(s);display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--pri);color:#fff;font-weight:800;margin-bottom:10px}
.steps b{display:block;margin-bottom:2px}
.steps span{color:var(--mut);font-size:14.5px}
footer{padding:32px 0 48px;color:var(--mut);font-size:14px;border-top:1px solid var(--line);margin-top:24px}

.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
label{display:block;font-weight:600;font-size:14px;margin:0 0 6px}
input,textarea,select{width:100%;font:inherit;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 13px}
input:focus,textarea:focus{outline:none;border-color:var(--pri);box-shadow:0 0 0 3px #dcd8ff}
.field{margin-bottom:14px}
.muted{color:var(--mut)}
.err-t{color:var(--err);font-size:14px;min-height:20px;margin-bottom:8px}
.auth{min-height:calc(100vh - 64px);display:grid;place-items:center;padding:32px 20px}
.auth .card{width:100%;max-width:420px;padding:30px}
.auth h1{font-size:28px;font-weight:800;margin-bottom:6px}
.auth .alt{margin-top:18px;text-align:center;color:var(--mut);font-size:14.5px}
.auth .alt a{color:var(--pri);font-weight:650}

.dash{padding:28px 0 64px}
.dash h1{font-size:28px;font-weight:800}
.dtabs{display:flex;gap:6px;overflow-x:auto;margin:18px 0 22px;padding-bottom:4px;border-bottom:1px solid var(--line)}
.dtabs a{padding:10px 16px;font-weight:650;color:var(--mut);white-space:nowrap;border-bottom:3px solid transparent;margin-bottom:-1px}
.dtabs a.on{color:var(--pri);border-color:var(--pri)}
.cols{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:16px;margin-bottom:22px}
.bal-card{background:var(--pri);color:#fff;border-radius:18px 18px 18px 4px;padding:24px}
.bal-card small{opacity:.85;font-size:14px}
.bal-card .big{font-size:36px;font-weight:800;letter-spacing:-.02em;margin:4px 0 14px}
.bal-card .btn{background:#fff;color:var(--pri)}
.cols.c4{grid-template-columns:repeat(4,1fr)}
.stat .n{font-size:30px;font-weight:800}
.presets{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin-bottom:16px}
.preset{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px;font:inherit;font-weight:700;cursor:pointer;color:var(--ink)}
.preset.on{border-color:var(--pri);background:#efedff;color:var(--pri)}
.qr-box{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center}
.qr-box img{width:260px;height:260px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px}
.qr-box .amt{font-size:32px;font-weight:800}
.list{display:grid;gap:12px}
.item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.item .main{flex:1;min-width:220px}
.item h3{font-size:16px;font-weight:700}
.item pre{margin:10px 0 0;padding:12px;background:var(--console);color:#cfd6ff;border-radius:10px;white-space:pre-wrap;word-break:break-word;font:13px/1.6 ui-monospace,Menlo,Consolas,monospace}
.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12.5px;font-weight:700;background:var(--mutbg);color:var(--mut)}
.badge.ok{background:var(--okbg);color:var(--ok)}
.badge.warn{background:var(--warnbg);color:var(--warn)}
.badge.err{background:var(--errbg);color:var(--err)}
.tbl-w{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:13px;color:var(--mut);font-weight:700;background:#fafbff}
tr:last-child td{border-bottom:0}
.pos{color:var(--ok);font-weight:700}
.neg{color:var(--err);font-weight:700}
.empty{padding:28px;text-align:center;color:var(--mut);background:#fff;border:1px dashed var(--line);border-radius:14px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.h-sm{font-size:18px;font-weight:700;margin-bottom:12px}
.mt{margin-top:22px}

dialog{border:0;border-radius:18px;padding:24px;width:min(440px,92vw);color:var(--ink);box-shadow:0 30px 80px -20px rgba(20,27,58,.5)}
dialog::backdrop{background:rgba(15,21,48,.5)}
dialog h3{font-size:20px;margin-bottom:10px}
#toasts{position:fixed;right:16px;bottom:16px;display:grid;gap:8px;z-index:50}
.toast{background:var(--ink);color:#fff;padding:12px 16px;border-radius:12px;max-width:340px;box-shadow:0 10px 30px rgba(0,0,0,.25);animation:in .2s}
.toast.err{background:var(--err)}
.toast.warn{background:var(--warn)}
@keyframes in{from{transform:translateY(8px);opacity:0}}

@media (max-width:860px){
  .hero-grid,.cols{grid-template-columns:1fr}
  .cols.c4{grid-template-columns:repeat(2,1fr)}
  .qr-box{grid-template-columns:1fr;justify-items:center;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition:none!important;scroll-behavior:auto!important}
}