:root{--bg:#0b1218;--bg2:#101a22;--card:#142029;--line:#22333f;--tx:#e9eef2;--mut:#93a3af;--g1:#7bea4f;--g2:#2fa32b;--sil:#b9c0c6;--warn:#f5b84b;--r:16px}
@media (prefers-color-scheme:light){:root[data-auto]{--bg:#f4f7f9;--bg2:#fff;--card:#fff;--line:#d9e2e8;--tx:#13202a;--mut:#51636f}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.6 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}img,svg{max-width:100%}
.skip{position:absolute;inset-inline-start:-999px;top:0;background:var(--g1);color:#000;padding:.6rem 1rem;z-index:99}.skip:focus{inset-inline-start:8px;top:8px}
:focus-visible{outline:3px solid var(--g1);outline-offset:3px}
.wrap{width:min(1180px,100% - 2rem);margin:auto}
header.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,backdrop-filter .3s}
header.nav.solid{background:rgba(11,18,24,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:1.4rem;height:72px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;font-weight:700;letter-spacing:.14em;font-size:.82rem;text-transform:uppercase}
.brand img{width:38px;height:38px}
.nav nav{margin-inline-start:auto;display:flex;gap:1.2rem}
.brand span{white-space:nowrap}.nav .btn,.lang{flex-shrink:0;white-space:nowrap}
.nav nav a{white-space:nowrap;text-decoration:none;color:var(--mut);font-size:.92rem;transition:color .2s}.nav nav a:hover{color:var(--tx)}
.lang{display:flex;border:1px solid var(--line);border-radius:99px;overflow:hidden;font-size:.8rem}
.lang a{white-space:nowrap;padding:.35rem .7rem;line-height:1.3;text-decoration:none;color:var(--mut)}.lang a[aria-current]{background:var(--g1);color:#04210a;font-weight:700}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.4rem;border-radius:99px;font-weight:600;text-decoration:none;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer;font-size:.95rem;font-family:inherit}
.btn.p{background:linear-gradient(180deg,var(--g1),var(--g2));color:#04210a;box-shadow:0 8px 30px -8px rgba(123,234,79,.55)}.btn.p:hover{transform:translateY(-2px)}
.btn.s{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(6px)}.btn.s:hover{background:rgba(255,255,255,.14)}
.nav .btn{padding:.5rem 1.1rem;font-size:.85rem}
@media(max-width:1240px){.nav nav{display:none}.nav .lang{margin-inline-start:auto}}
@media(max-width:980px){.nav nav{display:none}.nav .lang{margin-inline-start:auto}}
@media(max-width:560px){.nav .btn{display:none}.brand span{display:none}}
[lang^=zh] body{font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC","Segoe UI",sans-serif}
[lang=ar] *{letter-spacing:0!important}[lang=ar] .eyebrow,[lang=ar] th,[lang=ar] .count span{text-transform:none}
[lang=ar] .hero h1,[lang^=zh] .hero h1{letter-spacing:0;line-height:1.2}
[dir=rtl] .flow div::after{background:linear-gradient(270deg,var(--g1),transparent);left:auto;right:50%}
[dir=rtl] .panel,[dir=rtl] .hash{direction:ltr;text-align:left}
.t th{text-align:start}.t td,.t th,.dlist li,.card p{overflow-wrap:anywhere;hyphens:auto}
@media(max-width:560px){.t th{letter-spacing:0;text-transform:none}}
.flow .soon b{border-style:dashed;color:var(--warn);opacity:.85}.flow em{font-style:normal;color:var(--warn);font-weight:600}
/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;isolation:isolate}
.hero canvas,.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-3}
.hero video{z-index:-2}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(11,18,24,.86) 0%,rgba(11,18,24,.62) 42%,rgba(11,18,24,.1) 100%),linear-gradient(180deg,rgba(11,18,24,.35),rgba(11,18,24,0) 35%,rgba(11,18,24,0) 86%,var(--bg) 100%)}
[dir=rtl] .hero::before{background:linear-gradient(270deg,rgba(11,18,24,.86) 0%,rgba(11,18,24,.62) 42%,rgba(11,18,24,.1) 100%),linear-gradient(180deg,rgba(11,18,24,.35),rgba(11,18,24,0) 35%,rgba(11,18,24,0) 86%,var(--bg) 100%)}
.eyebrow{display:inline-flex;gap:.6rem;align-items:center;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--g1);font-weight:600}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--g1)}
.hero h1{font-size:clamp(2.4rem,6.2vw,5rem);line-height:1.04;margin:.9rem 0 1.2rem;font-weight:700;letter-spacing:-.025em;max-width:15ch}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--g1),#c6ff9f);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:clamp(1.05rem,1.6vw,1.3rem);color:#cbd6dd;max-width:56ch;margin:0 0 2rem}
.chips{display:flex;flex-wrap:wrap;gap:.6rem;margin:2rem 0 0}.chips span{padding:.35rem .9rem;border:1px solid rgba(255,255,255,.22);border-radius:99px;font-size:.82rem;color:#dbe5ea;background:rgba(255,255,255,.05);backdrop-filter:blur(6px)}
.scroll{position:absolute;bottom:1.6rem;left:50%;translate:-50% 0;width:26px;height:42px;border:2px solid rgba(255,255,255,.5);border-radius:14px}
.scroll::after{content:"";position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:#fff;animation:sc 1.8s infinite}
@keyframes sc{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
/* sections */
section{padding:clamp(4rem,9vw,7.5rem) 0}
.alt{background:var(--bg2)}
h2{font-size:clamp(1.8rem,4vw,3rem);line-height:1.12;letter-spacing:-.02em;margin:.6rem 0 1rem;max-width:22ch}
.lead{color:var(--mut);font-size:1.12rem;max-width:62ch;margin:0 0 3rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(200px,100%),1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stats div{background:var(--card);padding:1.6rem}.stats b{display:block;font-size:2.1rem;color:var(--g1);letter-spacing:-.02em}.stats span{color:var(--mut);font-size:.92rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(310px,100%),1fr));gap:1.2rem}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.8rem;transition:transform .3s,border-color .3s,box-shadow .3s;overflow:hidden}
.card:hover{transform:translateY(-4px);border-color:rgba(123,234,79,.5);box-shadow:0 18px 50px -20px rgba(123,234,79,.35)}
.card .ab{font-size:2rem;font-weight:800;letter-spacing:.04em;background:linear-gradient(90deg,var(--g1),var(--sil));-webkit-background-clip:text;background-clip:text;color:transparent}
.card h3{margin:.2rem 0 .6rem;font-size:1.15rem}.card p{color:var(--mut);margin:0 0 1rem;font-size:.97rem}
.card ul{margin:0;padding:0;list-style:none;font-size:.9rem;color:#c3d0d8}.card li{padding:.28rem 0;padding-inline-start:1.3rem;position:relative}.card li::before{content:"";position:absolute;inset-inline-start:0;top:.8rem;width:7px;height:7px;border-radius:2px;background:var(--g1)}
.tag{display:inline-block;font-size:.72rem;padding:.2rem .65rem;border-radius:99px;font-weight:700;letter-spacing:.04em;margin-bottom:.8rem}
.tag.ok{background:rgba(123,234,79,.14);color:var(--g1);border:1px solid rgba(123,234,79,.4)}.tag.soon{background:rgba(245,184,75,.12);color:var(--warn);border:1px solid rgba(245,184,75,.4)}
/* flow */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:1rem}
.flow>*{text-align:center;padding:1.4rem .6rem;position:relative;text-decoration:none;color:inherit}
.flow a:hover b{border-color:var(--g1);box-shadow:0 0 30px -6px rgba(123,234,79,.6)}
.flow>* b{display:grid;place-items:center;width:78px;height:78px;margin:0 auto .8rem;border-radius:22px;background:var(--card);border:1px solid var(--line);font-size:1.05rem;color:var(--g1);position:relative;z-index:1}
.flow>*::after{content:"";position:absolute;top:calc(1.4rem + 39px);left:50%;width:100%;height:2px;background:linear-gradient(90deg,var(--g1),transparent);opacity:.5}
.flow>*:last-child::after{display:none}
.flow span{font-size:.88rem;color:var(--mut);display:block}
@media(max-width:760px){.flow{grid-template-columns:1fr 1fr}.flow>*::after{display:none}}
.stretch{text-decoration:none;color:inherit}.stretch::after{content:"";position:absolute;inset:0;z-index:2}
.card .more{color:var(--g1);font-size:.9rem;font-weight:600;display:inline-block;margin-top:1rem}
.dhero{padding:9rem 0 4rem;background:radial-gradient(900px 400px at 15% 0,rgba(123,234,79,.12),transparent)}
.dhero h1{font-size:clamp(2.6rem,6vw,4.6rem);margin:.6rem 0 .2rem;letter-spacing:-.025em;line-height:1.05}
.back{color:var(--g1);text-decoration:none;font-size:.9rem}
.dsub{color:var(--g1);font-size:1.1rem;margin:0 0 1.2rem;font-weight:600}.dintro{font-size:1.25rem;max-width:62ch;color:#cbd6dd}.dstatus{color:var(--mut);margin-top:1.6rem}
.dgrid{display:grid;grid-template-columns:1.2fr 1fr;gap:3rem}@media(max-width:900px){.dgrid{grid-template-columns:1fr}}
.dlist{list-style:none;padding:0;margin:0}.dlist li{padding:1rem 0;padding-inline-start:2rem;position:relative;border-bottom:1px solid var(--line);font-size:1.05rem}
.dlist li::before{content:"";position:absolute;inset-inline-start:0;top:1.45rem;width:12px;height:12px;border-radius:4px;background:linear-gradient(180deg,var(--g1),var(--g2))}
.dside{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem}.dside h3{color:var(--g1);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin:1.2rem 0 .3rem}.dside h3:first-child{margin-top:0}.dside p{margin:0;color:#cbd6dd}
.pausebtn{position:absolute;bottom:1.4rem;inset-inline-end:1.4rem;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(11,18,24,.6);color:#fff;cursor:pointer;font-size:.8rem;backdrop-filter:blur(6px)}.pausebtn:hover{background:rgba(255,255,255,.18)}
.custom{display:flex;gap:2rem;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:2.5rem;padding:2rem;border:1px solid rgba(123,234,79,.5);border-radius:var(--r);background:linear-gradient(120deg,rgba(123,234,79,.1),transparent)}.custom h3{margin:0 0 .4rem;font-size:1.4rem}.custom p{margin:0;color:#cbd6dd;max-width:60ch}
.dnot{border-inline-start:3px solid var(--warn);padding-inline-start:.9rem}
/* split */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:3rem;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;font-family:ui-monospace,Consolas,monospace;font-size:.85rem;color:#c3d0d8}
.panel .row{display:flex;justify-content:space-between;gap:1rem;padding:.45rem 0;border-bottom:1px dashed var(--line)}.panel .row:last-child{border:0}
.panel .ok{color:var(--g1)}.panel .hash{color:var(--mut)}
.count{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.4rem 0}.count div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:.9rem 1.2rem;min-width:90px;text-align:center}.count b{display:block;font-size:2rem;color:var(--g1)}.count span{font-size:.75rem;color:var(--mut);text-transform:uppercase;letter-spacing:.1em}
.price{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(230px,100%),1fr));gap:1.2rem}
.price .card.f{border-color:rgba(123,234,79,.55)}
.price .amt{font-size:2.2rem;font-weight:700;margin:.4rem 0;letter-spacing:-.02em}.price small{color:var(--mut)}
.note{color:var(--mut);font-size:.85rem;margin-top:1.4rem}
table.t{width:100%;border-collapse:collapse;font-size:.95rem;margin-top:1rem}.t th,.t td{padding:.8rem 1rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.t th{color:var(--g1);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase}
/* form */
form{display:grid;grid-template-columns:1fr 1fr;gap:1rem;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:2rem}
form label{display:grid;gap:.35rem;font-size:.85rem;color:var(--mut)}form .full{grid-column:1/-1}
input,select,textarea{background:var(--bg);color:var(--tx);border:1px solid var(--line);border-radius:10px;padding:.75rem .9rem;font:inherit}
input:focus,select:focus,textarea:focus{border-color:var(--g1);outline:none}
@media(max-width:700px){form{grid-template-columns:1fr}}
footer{padding:3rem 0;border-top:1px solid var(--line);color:var(--mut);font-size:.88rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:1.2rem 3rem;justify-content:space-between}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s,transform .8s}.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}

/* plans and capabilities table */
.ptable{overflow-x:auto;border:1px solid var(--line,#cdd9d1);border-radius:14px}
.ptable table{width:100%;border-collapse:collapse;min-width:560px}
.ptable th,.ptable td{padding:.7rem .9rem;border-bottom:1px solid var(--line,#cdd9d1);text-align:center}
.ptable thead th{font-weight:700}
.ptable thead th.best{background:rgba(46,160,90,.14)}
.ptable thead th small{display:block;font-weight:500;opacity:.7;font-size:.75em}
.ptable tbody th[scope=row]{text-align:start;font-weight:500}
.ptable tr.sec th{text-align:start;font-size:.8em;letter-spacing:.06em;text-transform:uppercase;opacity:.7;background:rgba(127,127,127,.08)}
.ptable td.y{color:#2ea05a;font-weight:700}
.ptable td.n{opacity:.4}