:root{--ink-950:#0b1220;--ink-900:#111a2e;--ink-800:#1b2740;--ink-700:#2a3a5c;--ink-300:#9fb0cc;--ink-100:#e8edf6;--signal:#2f8bff;--signal-l:#5ea6ff;--mint:#35d0a5;--amber:#ffb454;--red:#d64545}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,sans-serif;background:var(--ink-100);color:var(--ink-950);line-height:1.5;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column;min-height:100vh}
a{color:var(--signal);text-decoration:none}a:hover{text-decoration:underline}
main{flex:1}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em;margin:0 0 .5em}h1{font-size:2.4rem;font-weight:600}h2{font-size:1.5rem;font-weight:600}h3{font-size:1.2rem;font-weight:600}
.mono,.tick{font-family:"IBM Plex Mono",ui-monospace,Consolas,monospace}.tick{font-size:.75rem;letter-spacing:.04em;color:var(--ink-700)}
header.top{background:var(--ink-950);color:var(--ink-100)}header.top .wrap{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
header.top a{color:var(--ink-300)}header.top a:hover{color:#fff;text-decoration:none}header.top .brand{color:#fff;font-weight:600;display:flex;align-items:center;gap:8px}
header.top .brand i{display:inline-block;width:22px;height:22px;background:var(--signal);border-radius:3px}
header.top nav{display:flex;gap:22px;font-size:.92rem}header.top .right{display:flex;gap:16px;align-items:center;font-size:.9rem}
@media(max-width:820px){header.top nav{display:none}}
.hero{background:var(--ink-950);color:var(--ink-100)}.hero .wrap{padding:72px 20px;display:grid;gap:40px;grid-template-columns:3fr 2fr;align-items:center}
@media(max-width:820px){.hero .wrap{grid-template-columns:1fr}}
.hero h1{font-size:2.9rem;color:#fff}.hero p.lead{font-size:1.15rem;color:var(--ink-300);max-width:560px}.hero .tick{color:var(--signal-l)}
.panel{font-family:"IBM Plex Mono",monospace;font-size:.85rem;background:var(--ink-900);border:1px solid var(--ink-700);border-radius:10px;padding:20px}
.panel div{display:flex;justify-content:space-between;padding:4px 0}.panel span:first-child{color:var(--ink-300)}.panel .ok{color:var(--mint)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:6px;padding:9px 16px;font-weight:500;border:1px solid transparent;cursor:pointer;font:inherit;text-decoration:none!important}
.btn-primary{background:var(--signal);color:#fff!important}.btn-primary:hover{background:var(--signal-l)}
.btn-ghost{border-color:var(--ink-300);color:var(--ink-900)!important;background:transparent}.btn-ghost:hover{background:#fff}.hero .btn-ghost{color:#fff!important;border-color:var(--ink-700)}
.btn-sm{padding:5px 11px;font-size:.88rem}.btn-block{width:100%;justify-content:center}
section.block{padding:56px 0}.grid{display:grid;gap:22px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:820px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid rgba(159,176,204,.5);border-radius:12px;box-shadow:0 1px 2px rgba(11,18,32,.04)}
a.card{display:flex;flex-direction:column;gap:10px;padding:22px;color:inherit}a.card:hover{text-decoration:none;border-color:var(--signal-l);box-shadow:0 4px 14px rgba(11,18,32,.08)}
.card .head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.card .num{font-size:1.6rem;font-weight:600;color:var(--signal);text-align:right;line-height:1}
.badges{display:flex;flex-wrap:wrap;gap:4px}.badge{font-family:"IBM Plex Mono",monospace;font-size:.72rem;border:1px solid var(--ink-300);border-radius:4px;padding:1px 6px;color:var(--ink-700)}
.card .foot{margin-top:auto;padding-top:10px;display:flex;justify-content:space-between;font-weight:500}
.flash{margin:24px auto 0;max-width:1120px;padding:0 20px}.flash div{border-radius:6px;padding:12px 16px;background:rgba(53,208,165,.18);border:1px solid var(--mint)}.flash .err{background:#fdecec;border-color:var(--red)}
.field{width:100%;border:1px solid var(--ink-300);border-radius:6px;padding:9px 12px;font:inherit;background:#fff}.field:focus{outline:2px solid var(--signal-l);outline-offset:0}
label.lbl{display:block;font-size:.9rem}label.lbl .field{margin-top:4px}
form.card{padding:24px;display:grid;gap:16px}
.prose h1{font-size:2rem;margin-top:1.5em}.prose h2{margin-top:1.6em}.prose h3{margin-top:1.2em}.prose p,.prose li{color:var(--ink-800)}.prose ul,.prose ol{padding-left:24px}
.prose code{font-family:"IBM Plex Mono",monospace;font-size:.88em;background:var(--ink-100);border:1px solid rgba(159,176,204,.5);border-radius:4px;padding:0 4px}
.prose pre{background:var(--ink-950);color:var(--ink-100);padding:16px;border-radius:8px;overflow:auto;font-size:.88rem}.prose pre code{background:none;border:0;color:inherit}
.prose table{width:100%;border-collapse:collapse;font-size:.92rem}.prose td{border:1px solid rgba(159,176,204,.6);padding:8px 10px}
table.list{width:100%;border-collapse:collapse;font-size:.92rem;background:#fff;border-radius:10px;overflow:hidden}table.list th{text-align:left;font-weight:500;padding:10px 12px}table.list td{padding:10px 12px;border-top:1px solid rgba(159,176,204,.4)}
.product-hero{background:var(--ink-950);color:var(--ink-100)}.product-hero .wrap{padding:52px 20px}.product-hero h1{color:#fff}.product-hero p{color:var(--ink-300);font-size:1.1rem;max-width:640px}.product-hero .badge{color:var(--ink-100);border-color:var(--ink-700)}
.product-body{display:grid;grid-template-columns:2fr 1fr;gap:40px;padding:48px 0}@media(max-width:820px){.product-body{grid-template-columns:1fr}}
.features{list-style:none;padding:0;display:grid;gap:8px;grid-template-columns:repeat(2,1fr);margin:0 0 32px}@media(max-width:640px){.features{grid-template-columns:1fr}}.features li::before{content:"✓ ";color:var(--mint)}
.plan{display:flex;gap:12px;border:1px solid rgba(159,176,204,.6);border-radius:8px;padding:12px;cursor:pointer}.plan:has(input:checked){border-color:var(--signal);background:rgba(47,139,255,.05)}.plan .name{display:flex;justify-content:space-between;font-weight:500}.plan .name b{font-weight:600}
.opt{display:flex;gap:10px;align-items:center}.opt span:nth-child(2){flex:1}
.status{font-family:"IBM Plex Mono",monospace;font-size:.72rem;border-radius:4px;padding:2px 6px;background:rgba(159,176,204,.3)}.status.active{background:rgba(53,208,165,.2);color:#1e8a6a}
footer{background:var(--ink-900);color:var(--ink-300);margin-top:64px;font-size:.9rem}footer .wrap{padding:40px 20px;display:grid;grid-template-columns:repeat(3,1fr);gap:32px}@media(max-width:820px){footer .wrap{grid-template-columns:1fr}}
footer b{display:block;color:#fff;margin-bottom:8px}footer ul{list-style:none;padding:0;margin:0}footer li{margin:4px 0}footer a{color:var(--ink-300)}footer a:hover{color:#fff}footer .bar{border-top:1px solid var(--ink-800);padding:14px 20px;text-align:center}