:root{
  --bg:#001621;--surface:#05202B;--raise:#0A2A37;--line:#1B3340;--line2:#37525F;
  --fg:#E4ECEF;--mut:#7E96A1;--ac:#FF4103;--ach:#F03C00;
  --paper:#FFFFFF;--chrome:#EEF3F5;--ink:#001621;--ink2:#4A6572;
  --f:'Plus Jakarta Sans','Poppins',system-ui,-apple-system,'Segoe UI',sans-serif;
  --m:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --eo:cubic-bezier(.16,1,.3,1);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--fg);font:500 15px/1.5 var(--f);-webkit-font-smoothing:antialiased}
.wrap{max-width:1320px;margin:0 auto;padding-inline:clamp(16px,3.4vw,48px);padding-block:28px 72px}
a{color:inherit}
:focus-visible{outline:2px solid var(--ac);outline-offset:3px}
.label{font:600 11.5px/1.2 var(--f);letter-spacing:.16em;text-transform:uppercase;color:var(--mut)}
.mono{font-family:var(--m)}
h1,h2,h3{margin:0;text-wrap:balance}
p{margin:0;text-wrap:pretty}

/* top */
.top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.top svg{display:block;width:132px;height:auto;color:var(--fg)}
.top .label b{color:var(--ac);font-weight:600}
.intro{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px 48px;align-items:end;padding-block:40px 34px}
.intro h1{font-size:clamp(38px,5.2vw,74px);font-weight:800;letter-spacing:-.05em;line-height:.92}
.intro h1 s{color:var(--mut);text-decoration-color:var(--ac);text-decoration-thickness:.085em}
.intro h1 em{font-style:normal;color:var(--ac)}
.intro p{color:var(--mut);max-width:48ch;font-size:16px}
.intro p b{color:var(--fg);font-weight:600}

/* bench */
.bench{display:grid;grid-template-columns:minmax(300px,380px) minmax(0,1fr);gap:28px;align-items:start}
.spec{background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);padding:22px 22px 24px;display:flex;flex-direction:column;gap:22px}
.grp{display:flex;flex-direction:column;gap:14px}
.grp>.label{display:flex;justify-content:space-between;align-items:center;gap:12px}
.grp>.label span{font:500 11px/1 var(--m);letter-spacing:0;text-transform:none;color:var(--line2)}
.f{display:flex;flex-direction:column;gap:6px}
.f label{font:600 12px/1.2 var(--f);color:var(--mut)}
.f input{width:100%;height:42px;background:var(--bg);border:0;box-shadow:inset 0 0 0 1px var(--line);color:var(--fg);font:600 15px/1 var(--f);padding:0 12px;border-radius:0;transition:box-shadow .25s}
.f input::placeholder{color:#4F6873;font-weight:500}
.f input:focus{outline:none;box-shadow:inset 0 0 0 1.5px var(--ac)}
.f small{font:500 11.5px/1.4 var(--m);color:#5C7581}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.seg{display:flex;box-shadow:inset 0 0 0 1px var(--line)}
.seg label{flex:1;position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.seg span{display:flex;align-items:center;justify-content:center;gap:8px;height:40px;font:700 13px/1 var(--f);color:var(--mut);transition:background-color .25s,color .25s}
.seg input:checked+span{background:var(--fg);color:var(--bg)}
.seg input:focus-visible+span{outline:2px solid var(--ac);outline-offset:-2px}
.seg i{width:14px;height:14px;display:inline-block}
.banners{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.bopt{position:relative;cursor:pointer;display:block}
.bopt input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.bopt .th{display:block;aspect-ratio:4/1;max-width:100%;background:var(--bg) center/cover no-repeat;box-shadow:inset 0 0 0 1px var(--line);transition:box-shadow .25s,transform .4s var(--eo)}
.bopt .nm{display:block;font:500 11px/1.3 var(--m);color:var(--mut);margin-top:6px}
.bopt input:checked~.th{box-shadow:0 0 0 2px var(--ac)}
.bopt input:checked~.nm{color:var(--fg)}
.bopt input:focus-visible~.th{outline:2px solid var(--fg);outline-offset:2px}
.bopt:hover .th{transform:translateY(-2px)}
.bopt .th.none{display:flex;align-items:center;justify-content:center;font:500 11px/1 var(--m);color:var(--line2)}
.chk{display:flex;gap:10px;align-items:flex-start;cursor:pointer;font:600 13px/1.4 var(--f);color:var(--fg)}
.chk input{appearance:none;flex-shrink:0;width:18px;height:18px;margin:1px 0 0;box-shadow:inset 0 0 0 1.5px var(--line2);background:var(--bg);cursor:pointer;display:grid;place-items:center}
.chk input:checked{background:var(--ac);box-shadow:none}
.chk input:checked::after{content:"";width:9px;height:5px;border-left:2px solid var(--bg);border-bottom:2px solid var(--bg);transform:translateY(-1px) rotate(-45deg)}
.chk small{display:block;font:500 11.5px/1.45 var(--m);color:#5C7581;margin-top:3px}

/* stage */
.stage{display:flex;flex-direction:column;gap:14px;min-width:0}
.mail{background:var(--chrome);color:var(--ink);box-shadow:0 40px 80px -40px rgba(0,0,0,.6)}
.mail-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid #DCE4E8}
.mail-bar i{width:10px;height:10px;border-radius:50%;background:#C9D4D9}
.mail-bar span{margin-left:10px;font:500 12px/1 var(--m);color:#6B8490}
.mail-hd{padding:14px 26px;border-bottom:1px solid #DCE4E8;display:grid;gap:6px;font-size:13px;color:#4A6572;background:#F7FAFB}
.mail-hd b{color:var(--ink);font-weight:700}
.mail-body{background:var(--paper);padding:28px 26px 34px;overflow-x:auto}
.mail-body .msg{font:400 14.5px/1.6 Helvetica,Arial,sans-serif;color:#1F2E36;max-width:60ch}
.mail-body .msg p+p{margin-top:12px}
.mail-body .dash{font:400 14px/1 Helvetica,Arial,sans-serif;color:#6B8490;margin:22px 0 14px}
.acts{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;font:700 14px/1 var(--f);letter-spacing:-.01em;color:var(--bg);background:var(--ac);border:0;border-radius:0;cursor:pointer;overflow:hidden;isolation:isolate}
.btn::before{content:"";position:absolute;inset:0;background:var(--fg);transform:translateY(101%);transition:transform .45s var(--eo);z-index:-1}
.btn:hover::before{transform:none}
.btn--ghost{background:transparent;color:var(--fg);box-shadow:inset 0 0 0 1px var(--line2)}
.btn--ghost:hover{color:var(--bg)}
.btn .k{font:500 11px/1 var(--m);opacity:.7}
.acts .sep{flex:1}
.dl{display:none}
body.can-dl .dl{display:inline-flex}
.hint{font:500 12px/1.5 var(--m);color:#5C7581}
body.can-dl .hint-nodl{display:none}
.size{display:flex;gap:10px;align-items:center;font:500 12.5px/1.5 var(--m);color:var(--mut)}
.size b{color:var(--fg);font-weight:500}
.size .sd{flex-shrink:0;width:9px;height:9px;border-radius:50%;background:#5C7581}
.size.ok .sd{background:#3BB273}
.size.bad{color:var(--fg)}
.size.bad .sd{background:var(--ac)}
.note{display:flex;gap:10px;align-items:flex-start;font:500 12.5px/1.5 var(--m);color:var(--mut);padding:12px 14px;box-shadow:inset 0 0 0 1px var(--line)}
.note b{color:var(--fg);font-weight:500}
.note .dot{flex-shrink:0;width:8px;height:8px;margin-top:5px;background:var(--ac);transform:rotate(45deg)}

/* setup */
.setup{margin-top:56px;border-top:1px solid var(--line);padding-top:26px}
.setup-h{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:22px}
.setup-h h2{font-size:clamp(26px,2.6vw,38px);font-weight:800;letter-spacing:-.04em;line-height:1}
.clients{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.cl{padding:22px 24px 8px 0;display:flex;flex-direction:column;gap:12px}
.cl+.cl{padding-left:24px;border-left:1px solid var(--line)}
.cl h3{font-size:20px;font-weight:800;letter-spacing:-.03em;display:flex;align-items:center;gap:10px}
.cl h3 span{font:500 11px/1 var(--m);letter-spacing:0;color:var(--ac);border:1px solid currentColor;border-radius:999px;padding:5px 8px}
.cl ol{margin:0;padding:0;list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:9px}
.cl li{counter-increment:s;display:grid;grid-template-columns:22px 1fr;gap:8px;font-size:14px;line-height:1.45;color:#B5C4CB}
.cl li::before{content:counter(s);font:500 11px/20px var(--m);color:var(--ac)}
.cl li b{color:var(--fg);font-weight:600}
.cl code{font:500 12px/1.4 var(--m);color:var(--fg);background:var(--raise);padding:2px 5px}
.legal{margin-top:34px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:24px 48px;align-items:start}
.legal p{color:var(--mut);font-size:14px;max-width:52ch}
.legal dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 18px;font:500 12.5px/1.5 var(--m)}
.legal dt{color:#5C7581}.legal dd{margin:0;color:var(--fg)}
.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom,0px) + 24px);transform:translate(-50%,14px);opacity:0;pointer-events:none;background:var(--fg);color:var(--bg);font:500 13px/1.45 var(--m);padding:12px 16px;max-width:min(92vw,560px);transition:opacity .25s,transform .45s var(--eo);z-index:10}
.toast.on{opacity:1;transform:translate(-50%,0)}
#copybox{position:fixed;left:0;top:0;opacity:0;pointer-events:none;z-index:-1}
@media (max-width:1180px){.clients{grid-template-columns:repeat(2,minmax(0,1fr))}.cl:nth-child(3){padding-left:0;border-left:0}.cl:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:1000px){.bench{grid-template-columns:1fr}.intro{grid-template-columns:1fr}.clients{grid-template-columns:1fr}.cl+.cl{padding-left:0;border-left:0;border-top:1px solid var(--line)}.legal{grid-template-columns:1fr}}
@media (max-width:520px){.row2{grid-template-columns:1fr}.mail-body{padding:22px 16px 28px}.mail-hd{padding:12px 16px}.top .label{display:none}.acts .btn{flex:1 1 auto}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}