:root{
--ink:#0D1426;
--ink-70:#465067;
--ink-50:#636B85;
--ink-30:#9AA2B8;
--ground:#F2F4FC;
--surface:#FFFFFF;
--wash:#E8EDFE;
--line:#E1E5F2;
--line-strong:#C9D0E6;
--blue:#2B51F0;
--blue-deep:#1B37B8;
--blue-soft:#E8EDFE;
--blue-ink:#16266B;--on-blue:#DCE5FF;
--coral:#FF5B3D;--coral-deep:#C43A1B;
--coral-soft:#FFE9E4;
--green:#076B4A;--green-dot:#0E9F6E;
--green-soft:#E0F5EE;
--r-card:16px;
--r-inner:12px;
--r-pill:999px;
--shadow-sm:0 1px 2px rgba(13,20,38,.05), 0 4px 12px -6px rgba(13,20,38,.12);
--shadow-md:0 2px 4px rgba(13,20,38,.05), 0 18px 36px -20px rgba(13,20,38,.22);
--shadow-blue:0 8px 16px -8px rgba(43,81,240,.45), 0 24px 48px -28px rgba(43,81,240,.5);
--maxw:1160px;
--ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
margin:0;background:var(--ground);color:var(--ink);
font-family:"Golos Text",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
caret-color:var(--blue);
}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2.5px solid var(--blue);outline-offset:3px;border-radius:6px}
*{scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}
*::-webkit-scrollbar{height:10px;width:10px}
*::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:99px;border:3px solid var(--ground)}
*::-webkit-scrollbar-track{background:transparent}
h1,h2,h3,h4{
font-family:Onest,"Golos Text",sans-serif;font-weight:700;margin:0;
line-height:1.06;letter-spacing:-.03em;text-wrap:balance;color:var(--ink);
}
h1{font-size:clamp(34px,5.6vw,64px)}
h2{font-size:clamp(27px,3.6vw,44px);line-height:1.1}
h3{font-size:clamp(19px,1.7vw,22px);line-height:1.2;letter-spacing:-.02em}
h4{font-size:17px;letter-spacing:-.015em;line-height:1.25}
p{margin:0}
a{color:var(--blue);text-underline-offset:3px;text-decoration-thickness:1.5px}
b,strong{font-weight:600}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.blue{color:var(--blue)}
.lead{font-size:clamp(16.5px,1.6vw,19px);line-height:1.55;color:var(--ink-70);max-width:62ch}
.sm{font-size:14.5px;line-height:1.55;color:var(--ink-70)}
.fine{font-size:13px;line-height:1.5;color:var(--ink-50)}
.num{font-variant-numeric:tabular-nums}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:10px;
font-family:Onest,sans-serif;font-size:16px;font-weight:600;letter-spacing:-.01em;
padding:16px 28px;border-radius:var(--r-pill);border:0;cursor:pointer;text-decoration:none;white-space:nowrap;
transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}
.btn svg{width:18px;height:18px;flex:none}
.btn-p{background:var(--blue);color:#fff;box-shadow:var(--shadow-blue)}
.btn-p:hover{background:var(--blue-deep);transform:translateY(-2px)}
.btn-p:active{transform:translateY(0)}
.btn-g{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}
.btn-g:hover{transform:translateY(-2px);color:var(--blue)}
.btn-c{background:var(--coral);color:#fff;box-shadow:0 8px 16px -8px rgba(255,91,61,.5)}
.btn-c:hover{transform:translateY(-2px)}
.btn-lg{padding:19px 36px;font-size:17px}
.btn-sm{padding:11px 20px;font-size:15px}
.nav{position:sticky;top:0;z-index:60;padding:14px 0;background:linear-gradient(var(--ground) 62%,rgba(242,244,252,0))}
.nav-in{
max-width:var(--maxw);margin:0 auto;background:var(--surface);border-radius:var(--r-pill);
box-shadow:var(--shadow-sm);padding:10px 12px 10px 22px;display:flex;align-items:center;gap:20px;
}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);
font-family:Onest,sans-serif;font-weight:800;font-size:17.5px;letter-spacing:-.03em;white-space:nowrap}
.logo .mark{width:30px;height:30px;flex:none}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a:not(.btn){color:var(--ink-70);text-decoration:none;font-size:15px;font-weight:500;white-space:nowrap}
.nav-links a:not(.btn):hover{color:var(--ink)}
@media(max-width:900px){
.nav-in{flex-wrap:wrap;gap:10px 12px;padding:12px 14px}
.logo{font-size:16.5px;margin-right:auto}
.nav-in > .btn{order:1;flex:none}
.nav-links{order:2;width:100%;margin-left:0;gap:18px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{font-size:14.5px;white-space:nowrap;flex:none}
}
.hero{padding:52px 0 8px;text-align:center;position:relative;overflow:hidden}
.hero h1{max-width:22ch;margin:0 auto}
.h1-line{display:block;margin-top:.13em;font-size:.74em;letter-spacing:-.025em}
@media(min-width:760px){.h1-line{white-space:nowrap}}
.nb{white-space:nowrap}
.hmark{display:inline-flex;align-items:center;justify-content:center;vertical-align:-.12em;width:.9em;height:.9em;margin:0 .04em}
.hmark svg{display:block;width:100%;height:100%}
.hmark.tile{width:.92em;height:.92em;background:#fff;border-radius:.2em;box-shadow:var(--shadow-sm)}
.hmark.tile svg{width:.54em;height:.665em}
.hero .lead{margin:22px auto 0}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.hero-left{text-align:left;padding-bottom:0}
.hero-left h1,.hero-left .lead{margin-left:0;margin-right:0}
.hero-left .lead{margin-top:24px}
.hero-left .hero-cta{justify-content:flex-start}
.zeros{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:34px}
.zero{
background:var(--surface);border-radius:var(--r-pill);padding:11px 20px 11px 14px;
display:flex;align-items:center;gap:11px;box-shadow:var(--shadow-sm);
}
.zero .v{font-family:Onest,sans-serif;font-weight:800;font-size:19px;letter-spacing:-.03em;color:var(--blue)}
.zero .t{font-size:14.5px;color:var(--ink-70);white-space:nowrap}
.scene{position:relative;margin:46px auto 0;max-width:980px;padding-bottom:60px}
.feed{
background:var(--surface);border-radius:16px;box-shadow:var(--shadow-md);
max-width:430px;margin:0 auto;padding:22px 22px 10px;text-align:left;position:relative;z-index:2;
animation:rise .9s var(--ease) both;
}
.feed-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.feed-h .city{font-size:13px;color:var(--ink-50);display:flex;align-items:center;gap:7px}
.feed-h .city svg{width:15px;height:15px}
.live{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--green);font-weight:500}
.live i{width:7px;height:7px;border-radius:50%;background:var(--green-dot);display:block;animation:pulse 2.4s ease-in-out infinite}
.bal{margin-bottom:6px}
.bal .l{font-size:13px;color:var(--ink-50);display:block;margin-bottom:3px}
.bal .n{font-family:Onest,sans-serif;font-weight:800;font-size:40px;letter-spacing:-.035em;display:block;line-height:1}
.bal .r{font-size:13.5px;color:var(--ink-50);display:block;margin-top:7px}
.ops{margin-top:18px}
.op{display:grid;grid-template-columns:38px 1fr auto;gap:13px;align-items:center;padding:13px 0;border-top:1px solid var(--line)}
.op .ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--wash);color:var(--blue)}
.op .ic svg{width:19px;height:19px}
.op .ic.ali{background:#E8F1FF;color:#1677FF}
.op .ic.we{background:#E2F7EC;color:#07934B}
.op .ic.uni{background:var(--coral-soft);color:#D63B1E}
.op .d b{display:block;font-weight:500;font-size:14.5px;letter-spacing:-.01em}
.op .d span{display:block;font-size:12.5px;color:var(--ink-50);margin-top:1px}
.op .a{font-family:Onest,sans-serif;font-weight:600;font-size:15px;letter-spacing:-.02em;white-space:nowrap}
.chip{
position:absolute;background:var(--surface);border-radius:var(--r-pill);box-shadow:var(--shadow-sm);
padding:9px 16px 9px 11px;display:flex;align-items:center;gap:9px;font-size:14px;white-space:nowrap;z-index:1;
animation:settle 1s var(--ease) both;
}
.chip .d{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;font-family:Onest,sans-serif;font-size:11px;font-weight:700;color:#fff}
.chip .a{font-family:Onest,sans-serif;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
.chip.c1{top:14px;left:0;animation-delay:.24s}
.chip.c2{top:104px;left:26px;animation-delay:.36s}
.chip.c3{top:220px;left:-6px;animation-delay:.48s}
.chip.c4{top:32px;right:4px;animation-delay:.3s}
.chip.c5{top:140px;right:-10px;animation-delay:.42s}
.chip.c6{top:250px;right:22px;animation-delay:.54s}
@media(max-width:1040px){.chip.c3,.chip.c6{display:none}}
.chips-m{display:none;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:22px}
@media(max-width:860px){
.scene{padding-bottom:0;max-width:430px}
.scene > .chip{display:none}
.chips-m{display:flex}
.chips-m .chip{animation-delay:0s}
}
@keyframes rise{from{opacity:0;transform:translateY(26px) scale(.985);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}
@keyframes settle{from{opacity:0;transform:translateY(16px) scale(.94)}to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.78)}}
[id]{scroll-margin-top:104px}
@media(max-width:900px){[id]{scroll-margin-top:150px}}
.sec{padding:78px 0}
.sec-w{padding:78px 0;background:var(--surface)}
.sec-head{max-width:66ch}
.sec-head h2,.sec-head h1{max-width:20ch}
.sec-head.center{margin:0 auto;text-align:center}
.sec-head.center h2,.sec-head.center h1{margin-left:auto;margin-right:auto}
.sec-head p{margin-top:18px;max-width:62ch}
.sec-head.center p{margin-left:auto;margin-right:auto}
.where{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:14px;margin-top:42px}
@media(max-width:900px){.where{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.w-hero{grid-row:auto;min-height:0}}
@media(max-width:560px){.where{grid-template-columns:1fr}}
.w-hero{
grid-row:span 2;background:var(--blue);color:#fff;border-radius:var(--r-card);padding:32px;
display:flex;flex-direction:column;justify-content:space-between;gap:28px;min-height:290px;
}
.w-hero h3{color:#fff;font-size:clamp(22px,2.3vw,30px)}
.w-hero p{color:var(--on-blue);font-size:15px;line-height:1.55;margin-top:12px}
.w-logos{display:flex;gap:10px;flex-wrap:wrap}
.w-logos>span{background:rgba(255,255,255,.16);border-radius:var(--r-pill);padding:8px 16px;font-size:14px;font-weight:500}
.w-tile{background:var(--surface);border-radius:var(--r-card);padding:24px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-sm)}
.w-tile .ic{width:40px;height:40px;border-radius:11px;background:var(--wash);color:var(--blue);display:grid;place-items:center}
.w-tile .ic svg{width:21px;height:21px}
.w-tile b{font-family:Onest,sans-serif;font-weight:600;font-size:16.5px;letter-spacing:-.02em}
.w-tile span{font-size:14px;color:var(--ink-70);line-height:1.5}
.srv{display:flex;flex-wrap:wrap;gap:9px;margin-top:34px}
.srv span{
background:var(--ground);border-radius:var(--r-pill);padding:11px 19px;font-size:15px;color:var(--ink-70);
}
.sec-w .srv span{background:var(--ground)}
.srv span.more{background:var(--blue-soft);color:var(--blue);font-weight:500}
.paylist{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;margin-top:34px}
@media(max-width:760px){.paylist{grid-template-columns:1fr;gap:0}}
.pl{display:grid;grid-template-columns:34px 1fr auto;gap:14px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}
.pl .b{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;font-family:Onest,sans-serif;font-weight:700;font-size:12.5px;letter-spacing:-.02em}
.pl .n{font-size:15.5px;font-weight:500;letter-spacing:-.01em}
.pl .s{font-family:Onest,sans-serif;font-weight:600;font-size:15px;color:var(--ink-70);font-variant-numeric:tabular-nums;white-space:nowrap}
.plmore{margin-top:22px;font-size:15px;color:var(--ink-50)}
.tgpill{display:inline-flex;align-items:center;gap:11px;background:var(--surface);border-radius:var(--r-pill);padding:10px 20px 10px 11px;box-shadow:var(--shadow-sm);font-size:14.5px;color:var(--ink-70)}
.tgpill .tg{width:28px;height:28px;flex:none;border-radius:9px;background:#229ED9;display:grid;place-items:center;color:#fff}
.tgpill .tg svg{width:16px;height:16px}
.tgpill b{color:var(--ink);font-weight:600}
.scene-foot{display:flex;justify-content:center;margin-top:20px;position:relative;z-index:2}
.legal{margin-top:28px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;line-height:1.6;color:var(--ink-50);max-width:70ch}
.legal b{color:var(--ink-70);font-weight:600}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:42px;counter-reset:s}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{background:var(--surface);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-sm)}
.step .n{
width:32px;height:32px;border-radius:50%;background:var(--blue-soft);color:var(--blue);
display:grid;place-items:center;font-family:Onest,sans-serif;font-weight:700;font-size:14px;margin-bottom:16px;
}
.step b{font-family:Onest,sans-serif;font-weight:600;font-size:17px;letter-spacing:-.02em;display:block;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-70);line-height:1.55}
.price{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:42px;align-items:stretch}
@media(max-width:880px){.price{grid-template-columns:1fr}}
.p-card{background:var(--surface);border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:20px}
.p-card.blue{background:var(--blue);color:#fff;box-shadow:var(--shadow-blue)}
.p-card.blue h3,.p-card.blue .big{color:#fff}
.p-card.blue .row{border-color:rgba(255,255,255,.18)}
.p-card.blue .row span{color:var(--on-blue)}
.p-card.blue .row b{color:#fff}
.big{font-family:Onest,sans-serif;font-weight:800;font-size:clamp(34px,4vw,46px);letter-spacing:-.04em;line-height:1}
.big small{font-size:17px;font-weight:500;letter-spacing:-.01em;opacity:.65}
.rows{display:flex;flex-direction:column}
.row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-top:1px solid var(--line);font-size:15px}
.row span{color:var(--ink-70)}
.row b{font-family:Onest,sans-serif;font-weight:600;letter-spacing:-.015em;white-space:nowrap}
.row b.ok{color:var(--green)}
.p-card.blue .row b.ok{color:#8FF0CB}
.conv{background:rgba(255,255,255,.18);border-radius:var(--r-inner);padding:18px}
.conv label{font-size:13.5px;color:#EDF1FF;display:block;margin-bottom:9px}
.conv-in{display:flex;align-items:center;gap:12px}
.conv input{
flex:1;min-width:0;background:rgba(255,255,255,.16);border:1.5px solid rgba(255,255,255,.28);border-radius:10px;
color:#fff;font-family:Onest,sans-serif;font-weight:700;font-size:22px;letter-spacing:-.03em;
padding:12px 14px;font-variant-numeric:tabular-nums;width:100%;
}
.conv input::placeholder{color:rgba(255,255,255,.5)}
.conv input:focus{outline:2.5px solid #fff;outline-offset:2px}
.conv .eq{font-size:20px;color:var(--on-blue);flex:none}
.conv .out{
flex:1;font-family:Onest,sans-serif;font-weight:700;font-size:22px;letter-spacing:-.03em;
padding:12px 14px;background:#fff;color:var(--blue-ink);border-radius:10px;text-align:right;
font-variant-numeric:tabular-nums;
}
.conv .note{font-size:13px;color:#EDF1FF;margin-top:11px;line-height:1.45}
.tuition{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
@media(max-width:900px){.tuition{grid-template-columns:1fr;gap:32px}}
.invoice{background:var(--surface);border-radius:var(--r-card);box-shadow:var(--shadow-md);overflow:hidden}
.inv-h{padding:20px 24px;background:var(--wash);display:flex;justify-content:space-between;align-items:center;gap:14px}
.inv-h b{font-family:Onest,sans-serif;font-weight:600;font-size:15.5px;letter-spacing:-.02em}
.inv-h .st{font-size:12.5px;color:var(--green);font-weight:500;background:var(--green-soft);padding:5px 12px;border-radius:var(--r-pill)}
.inv-b{padding:8px 24px 22px}
.inv-b .row:first-child{border-top:0}
.inv-b .row.total{border-top:1.5px solid var(--line-strong);margin-top:4px;padding-top:16px}
.inv-b .row.total b{font-size:19px}
.parent{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:42px}
@media(max-width:780px){.parent{grid-template-columns:1fr}}
.p-item{background:var(--surface);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-sm);display:flex;gap:16px}
.p-item .ic{width:40px;height:40px;flex:none;border-radius:11px;background:var(--wash);color:var(--blue);display:grid;place-items:center}
.p-item .ic svg{width:20px;height:20px}
.p-item b{font-family:Onest,sans-serif;font-weight:600;font-size:16.5px;letter-spacing:-.02em;display:block;margin-bottom:6px}
.p-item p{font-size:14.5px;color:var(--ink-70);line-height:1.55}
.faq{margin-top:38px;max-width:820px}
details{background:var(--surface);border-radius:var(--r-inner);margin-bottom:8px;box-shadow:var(--shadow-sm)}
summary{
cursor:pointer;list-style:none;padding:20px 24px;display:flex;justify-content:space-between;gap:20px;align-items:center;
font-family:Onest,sans-serif;font-weight:600;font-size:16.5px;letter-spacing:-.02em;
}
summary::-webkit-details-marker{display:none}
summary .pm{width:22px;height:22px;flex:none;position:relative}
summary .pm::before,summary .pm::after{
content:"";position:absolute;inset:50% 0 auto 0;height:2px;background:var(--blue);border-radius:2px;
transform:translateY(-50%);transition:transform .25s var(--ease);
}
summary .pm::after{transform:translateY(-50%) rotate(90deg)}
details[open] summary .pm::after{transform:translateY(-50%) rotate(0)}
details .ans{padding:0 24px 22px;font-size:15.5px;line-height:1.62;color:var(--ink-70);max-width:68ch}
.band{background:var(--blue);border-radius:16px;padding:clamp(36px,5vw,60px);text-align:center;color:#fff;box-shadow:var(--shadow-blue)}
.band h2{color:#fff;max-width:19ch;margin:0 auto}
.band p{color:var(--on-blue);margin:18px auto 0;max-width:52ch;font-size:17px;line-height:1.55}
.band .btn{margin-top:30px}
.band .btn-g{color:var(--blue)}
footer{background:var(--surface);padding:56px 0 44px;margin-top:78px}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
@media(max-width:820px){.foot{grid-template-columns:1fr 1fr;gap:30px}}
.foot .col{display:flex;flex-direction:column;gap:11px}
.foot .col b{font-family:Onest,sans-serif;font-weight:600;font-size:14px;letter-spacing:-.01em;color:var(--ink)}
.foot .col a{color:var(--ink-70);text-decoration:none;font-size:14.5px}
.foot .col a:hover{color:var(--blue)}
.foot .about{font-size:14px;color:var(--ink-50);line-height:1.55;max-width:34ch;margin-top:4px}
.foot-b{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-50);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}
.calc{display:grid;grid-template-columns:minmax(300px,1fr) 1.3fr;gap:0;margin-top:42px;background:var(--surface);border-radius:var(--r-card);box-shadow:var(--shadow-md);overflow:hidden}
@media(max-width:900px){.calc{grid-template-columns:1fr}}
.calc-l{padding:32px;display:flex;flex-direction:column;gap:24px;border-right:1px solid var(--line)}
@media(max-width:900px){.calc-l{border-right:0;border-bottom:1px solid var(--line)}}
.calc-l label{font-size:14px;color:var(--ink-70);display:block;margin-bottom:10px}
#stud{
width:100%;padding:15px 18px;border:1.5px solid var(--line-strong);border-radius:var(--r-inner);
background:var(--ground);color:var(--ink);font-family:Onest,sans-serif;font-weight:700;font-size:26px;
letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
#stud:focus{outline:2.5px solid var(--blue);outline-offset:2px;border-color:var(--blue)}
.modes{display:flex;flex-direction:column;gap:9px}
.mode{
display:flex;justify-content:space-between;align-items:center;gap:14px;padding:15px 18px;
border:1.5px solid var(--line);border-radius:var(--r-inner);background:var(--surface);cursor:pointer;
font-family:inherit;font-size:15px;text-align:left;color:var(--ink-70);
transition:border-color .18s var(--ease),background .18s var(--ease);
}
.mode:hover{border-color:var(--line-strong)}
.mode[aria-pressed="true"]{border-color:var(--blue);background:var(--blue-soft);color:var(--ink)}
.mode b{font-family:Onest,sans-serif;font-weight:600;letter-spacing:-.02em}
.mode span{font-size:13px;color:var(--ink-50)}
.mode[aria-pressed="true"] span{color:var(--blue)}
.calc-r{padding:32px;background:var(--blue);color:#fff;display:flex;flex-direction:column;gap:22px}
.calc-r .lbl{font-size:14px;color:var(--on-blue);display:block;margin-bottom:10px}
.calc-r .amt{font-family:Onest,sans-serif;font-weight:800;font-size:clamp(44px,6.5vw,68px);letter-spacing:-.045em;line-height:.95;display:block}
.calc-r .sub{font-size:14.5px;color:var(--on-blue);margin-top:12px;display:block;line-height:1.45}
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:42px}
@media(max-width:900px){.models{grid-template-columns:1fr}}
.mdl{background:var(--surface);border-radius:var(--r-card);padding:30px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px}
.mdl.pick{background:var(--blue);color:#fff;box-shadow:var(--shadow-blue)}
.mdl.pick h3,.mdl.pick li{color:#fff}
.mdl.pick .who{color:var(--on-blue)}
.mdl .who{font-size:14px;color:var(--ink-50)}
.mdl ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:11px}
.mdl li{font-size:15px;line-height:1.5;color:var(--ink-70);display:flex;gap:11px;align-items:flex-start}
.mdl li svg{width:17px;height:17px;flex:none;margin-top:4px;color:var(--blue)}
.mdl.pick li svg{color:#8FF0CB}
.tag{align-self:flex-start;background:#fff;color:var(--blue);border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:600;font-family:Onest,sans-serif}
.risks{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:42px}
@media(max-width:780px){.risks{grid-template-columns:1fr}}
.risk{background:var(--surface);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-sm)}
.risk b{font-family:Onest,sans-serif;font-weight:600;font-size:16.5px;letter-spacing:-.02em;display:block;margin-bottom:9px}
.risk p{font-size:14.5px;color:var(--ink-70);line-height:1.55}
@media(max-width:560px){
.conv-in{flex-direction:column;align-items:stretch;gap:10px}
.conv .eq{align-self:center}
.conv .out{text-align:left}
.zeros{flex-direction:column;align-items:stretch;gap:8px}
.zero{justify-content:flex-start}
.nav-in .btn-sm{padding:10px 16px;font-size:14px}
.hero{padding-top:36px}
.sec,.sec-w{padding:56px 0}
.btn-lg{padding:17px 26px;font-size:16px}
.hero-cta .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}
.hero h1.h1-hero{max-width:none;font-size:clamp(28px,5vw,58px);line-height:1.12;letter-spacing:-.03em}
.h1-hero .hl{display:block}
.flag{display:block;flex:none;width:1em;height:.667em;border-radius:.09em;box-shadow:0 0 0 1px rgba(13,20,38,.1)}
.cn{display:inline-flex;align-items:center;gap:.24em;color:var(--blue);white-space:nowrap}
.flags{display:inline-flex;align-items:center;vertical-align:-.1em;margin-left:.06em;white-space:nowrap}
.flags>svg,.flags .more{display:block;flex:none;width:.82em;height:.82em;border-radius:50%;box-shadow:0 0 0 .055em var(--ground),0 0 0 calc(.055em + 1px) rgba(13,20,38,.07)}
.flags>*+*{margin-left:-.2em}
.flags .more{display:grid;place-items:center;background:var(--surface);color:var(--blue)}
.flags .more svg{width:.5em;height:.5em}
@media(max-width:480px){.flags .f4{display:none}.flags>*+*{margin-left:-.24em}}
.bind{padding-bottom:40px}
.bind .sec-head{margin:0 auto;max-width:none;text-align:center}
.bind .sec-head h2{margin:0 auto;max-width:18ch}
.bind .flow{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 12px;margin:20px auto 0;max-width:none;font-size:clamp(16px,1.6vw,19px);color:var(--ink-70)}
.bind .flow svg{width:18px;height:18px;color:var(--blue);flex:none}
.bind-stage{margin-top:96px;background:var(--wash);border-radius:16px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:32px;padding:0 44px 44px}
.bind-c{margin-top:-68px}
.bind-l{display:flex;flex-direction:column;align-items:flex-start;gap:22px;padding-top:44px}
.wallets{display:flex;flex-wrap:wrap;gap:10px}
.wl{display:inline-flex;align-items:center;gap:9px;background:var(--surface);border-radius:var(--r-pill);padding:9px 18px 9px 9px;font-family:Onest,sans-serif;font-weight:600;font-size:15.5px;box-shadow:var(--shadow-sm)}
.wl i,.wrow i,.txr i{display:grid;place-items:center;flex:none;border-radius:9px;color:#fff;font-family:Onest,sans-serif;font-style:normal;font-weight:700;font-size:10.5px;letter-spacing:-.01em}
.wl i{width:30px;height:30px}
.bind-cap{font-size:17px;line-height:1.5;color:var(--ink-70);max-width:26ch}
.cardrow{display:flex;align-items:center;gap:12px;width:100%;max-width:320px;background:var(--surface);border-radius:14px;padding:12px 16px 12px 12px;box-shadow:var(--shadow-sm)}
.mini{flex:none;width:46px;height:30px;border-radius:5px;background:linear-gradient(135deg,#4468FF,#1B37B8)}
.cardrow b{flex:1;font-family:Onest,sans-serif;font-weight:600;font-size:15px}
.pan{color:var(--ink-50);font-size:14.5px;white-space:nowrap}
.bind-r{display:flex;justify-content:flex-end;padding-top:44px}
.tx{width:100%;max-width:280px;background:var(--surface);border-radius:14px;padding:6px 18px;box-shadow:var(--shadow-sm)}
.txr{display:grid;grid-template-columns:30px 1fr auto;gap:12px;align-items:center;padding:11px 0;font-size:15px;font-weight:500}
.txr+.txr{border-top:1px solid var(--line)}
.txr i{width:30px;height:30px}
.txr b{font-family:Onest,sans-serif;font-weight:600;white-space:nowrap}
.phone{position:relative;width:272px;height:556px;border-radius:46px;background:#0D1426;padding:10px;box-shadow:0 34px 60px -32px rgba(13,20,38,.5),0 12px 24px -14px rgba(13,20,38,.3)}
.screen{position:relative;height:100%;overflow:hidden;border-radius:37px;background:var(--ground);padding:50px 13px 14px;display:flex;flex-direction:column;gap:12px;text-align:left}
.island{position:absolute;top:11px;left:50%;width:84px;height:25px;margin-left:-42px;border-radius:13px;background:#0D1426}
.sbar{position:absolute;top:15px;left:28px;right:24px;display:flex;justify-content:space-between;align-items:center;font-family:Onest,sans-serif;font-weight:600;font-size:13px}
.batt{width:21px;height:10px;border:1.5px solid var(--ink);border-radius:3px;position:relative}
.batt::after{content:"";position:absolute;inset:1.5px 4px 1.5px 1.5px;background:var(--ink);border-radius:1px}
.tgbar{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:#2481CC}
.tgbar .t{display:flex;flex-direction:column;align-items:center;line-height:1.2;color:var(--ink)}
.tgbar .t b{font-family:Onest,sans-serif;font-size:13.5px}
.tgbar .t small{font-size:11px;color:var(--ink-50)}
.vcard{position:relative;height:148px;flex:none;border-radius:14px;background:linear-gradient(135deg,#4468FF,#1B37B8);color:#fff;padding:13px}
.vm{display:block;width:30px;height:30px}
.vk{position:absolute;top:19px;right:14px;font-size:11px;color:var(--on-blue)}
.vp{position:absolute;left:14px;bottom:14px;font-family:Onest,sans-serif;font-weight:600;font-size:14px;letter-spacing:.04em}
.vb{position:absolute;right:14px;bottom:11px;font-family:Onest,sans-serif;font-weight:800;font-size:21px;letter-spacing:-.02em}
.wlist{background:var(--surface);border-radius:14px;padding:2px 12px}
.wrow{display:grid;grid-template-columns:28px 1fr auto;gap:10px;align-items:center;padding:10px 0;font-size:14px;font-weight:500}
.wrow+.wrow{border-top:1px solid var(--line)}
.wrow i{width:28px;height:28px;border-radius:8px;font-size:10px}
.wrow em{font-style:normal;font-size:12.5px;font-weight:600}
.done{display:inline-flex;align-items:center;gap:3px;color:var(--green)}
.done svg{width:14px;height:14px}
.go{background:var(--blue);color:#fff;border-radius:var(--r-pill);padding:5px 11px}
.qrhint{margin-top:auto;display:flex;align-items:center;justify-content:center;gap:8px;background:var(--surface);border-radius:14px;padding:13px;font-family:Onest,sans-serif;font-weight:600;font-size:14px}
.qrhint svg{width:20px;height:20px;color:var(--blue)}
@media(max-width:980px){
.bind-stage{grid-template-columns:1fr;justify-items:center;margin-top:90px;padding:0 22px 30px;gap:26px}
.bind-c{order:-1}
.bind-l{align-items:center;text-align:center;padding-top:0}
.bind-r{justify-content:center;width:100%;padding-top:0}
.cardrow,.tx{max-width:340px}
}
@media(max-width:400px){.phone{width:252px;height:520px}}
.foot{grid-template-columns:1.9fr 1fr 1fr 1fr}
.req{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.req-name{font-family:Onest,sans-serif;font-weight:600;font-size:16px;line-height:1.35;letter-spacing:-.01em;color:var(--ink);max-width:32ch}
.req dl{margin:0;display:flex;flex-direction:column;gap:7px}
.req dl div{display:flex;gap:10px;font-size:15px;line-height:1.45}
.req dt{flex:none;min-width:3.4em;color:var(--ink-50)}
.req dd{margin:0;color:var(--ink);font-variant-numeric:tabular-nums}
.foot .col{min-width:0}
.req dd{overflow-wrap:anywhere}
@media(max-width:820px){.foot{grid-template-columns:1fr 1fr;gap:30px 20px}.col-co,.foot .col:last-child{grid-column:1/-1}}
.ai{display:grid;place-items:center;flex:none;overflow:hidden;border-radius:26%;background:#fff}
.ai svg{display:block;width:62%;height:62%}
.chip .ai{width:24px;height:24px;border-radius:7px}
.pl .ai{width:34px;height:34px;border-radius:9px}
.wl .ai,.txr .ai{width:30px;height:30px;border-radius:8px}
.wrow .ai{width:28px;height:28px;border-radius:8px}
.op .ai{width:38px;height:38px;border-radius:11px}
.tgpill .ai{width:28px;height:28px;border-radius:8px}
.w-logos>span{display:inline-flex;align-items:center;gap:8px;padding-left:6px}
.w-logos .ai{width:24px;height:24px;border-radius:7px}
.ai.chatgpt{background:#000000;color:#FFFFFF;}.ai.chatgpt svg{width:60%;height:60%}
.ai.claude{background:#F5F2EA;}.ai.claude{box-shadow:inset 0 0 0 1px var(--line)}
.ai.appstore{background:none;}.ai.appstore svg{width:100%;height:100%}
.ai.googleone{background:#FFFFFF;}.ai.googleone{box-shadow:inset 0 0 0 1px var(--line)}.ai.googleone svg{width:58%;height:58%}
.ai.steam{background:#111D2E;}.ai.steam svg{width:84%;height:84%}
.ai.spotify{background:#000000;}.ai.spotify svg{width:66%;height:66%}
.ai.netflix{background:#000000;}
.ai.youtube{background:#FFFFFF;}.ai.youtube{box-shadow:inset 0 0 0 1px var(--line)}.ai.youtube svg{width:66%;height:66%}
.ai.telegram{background:#2AABEE;}.ai.telegram svg{width:100%;height:100%}
.ai.cursor{background:#14120B;}.ai.cursor svg{width:56%;height:56%}
.ai.taobao{background:#FF5000;color:#FFFFFF;}
.ai.tripcom{background:#287DFA;color:#FFFFFF;}.ai.tripcom svg{width:64%;height:64%}
.ai.meituan{background:#FFD100;color:#111111;}.ai.meituan svg{width:66%;height:66%}
.ai.booking{background:#003580;color:#FFFFFF;}.ai.booking svg{width:60%;height:60%}
.ai.airbnb{background:#FFFFFF;}.ai.airbnb{box-shadow:inset 0 0 0 1px var(--line)}.ai.airbnb svg{width:58%;height:58%}
.ai.uber{background:#000000;}.ai.uber svg{width:72%;height:72%}
.ai.discord{background:#5865F2;color:#FFFFFF;}
.ai.notion{background:#FFFFFF;}.ai.notion{box-shadow:inset 0 0 0 1px var(--line)}
.ai.alipay{background:#1677FF;color:#FFFFFF;}.ai.alipay svg{width:66%;height:66%}
.ai.wechat{background:#07C160;color:#FFFFFF;}.ai.wechat svg{width:64%;height:64%}
.ai.mcdonalds{background:#DA291C;}.ai.mcdonalds svg{width:64%;height:64%}
.chips-m .chip{position:static}
.tgt{min-width:0}
.ic.em{font-size:20px;line-height:1;font-style:normal}
.w-tile .ic.em{font-size:22px}
.p-item .ic.em{font-size:21px}
.op .ic.em{font-size:19px}
.w-brands{display:flex;gap:6px;margin-top:auto;padding-top:4px}
.w-brands .ai{width:26px;height:26px;border-radius:7px}
.bind .flow .fl{display:inline-flex;align-items:center;gap:8px}
.bind .flow .ai{width:24px;height:24px;border-radius:7px}
.bind .flow .ai+.ai{margin-left:-2px}
.bind .flow .fe{font-size:20px;line-height:1}
.rw{display:inline-flex;align-items:center;gap:6px}
.row .ai{width:20px;height:20px;border-radius:6px}
.row .ai+.ai{margin-left:-2px;margin-right:2px}
.sec-head h2.one{max-width:none}
@media(min-width:900px){.sec-head h2.one{white-space:nowrap}}
.steps.fly{position:relative;margin-top:100px}
.flight{position:absolute;top:-54px;left:38px;width:calc((100% - 42px)*.75 + 42px);height:28px;pointer-events:none}
.flight .route{position:absolute;left:0;right:0;top:13px;border-top:2px dashed var(--line-strong)}
.flight .trail{position:absolute;left:0;top:13px;width:0;height:2px;border-radius:2px;background:var(--blue)}
.flight i{position:absolute;top:8px;width:12px;height:12px;margin-left:-6px;border-radius:50%;background:var(--ground);box-shadow:inset 0 0 0 2px var(--line-strong)}
.flight i:nth-of-type(1){left:0}
.flight i:nth-of-type(2){left:33.333%}
.flight i:nth-of-type(3){left:66.666%}
.flight i:nth-of-type(4){left:100%}
.flight .plane{position:absolute;left:0;top:14px;font-size:28px;line-height:1;transform:translate(-50%,-50%) rotate(45deg);filter:drop-shadow(0 6px 8px rgba(13,20,38,.2))}
.in-view .flight .plane{animation:fly 3s cubic-bezier(.45,0,.55,1) .2s both,bob 2.6s ease-in-out 3.4s infinite}
.in-view .flight .trail{animation:trail 3s cubic-bezier(.45,0,.55,1) .2s both}
.in-view .flight i{animation:dot .4s ease both}
.in-view .flight i:nth-of-type(1){animation-delay:.2s}
.in-view .flight i:nth-of-type(2){animation-delay:1.35s}
.in-view .flight i:nth-of-type(3){animation-delay:2.05s}
.in-view .flight i:nth-of-type(4){animation-delay:3.1s}
.in-view .step{animation:lift .8s var(--ease) both;animation-delay:var(--d,0s)}
.in-view .step .n{animation:badge .5s ease both;animation-delay:var(--d,0s)}
@keyframes fly{from{left:0}to{left:100%}}
@keyframes trail{from{width:0}to{width:100%}}
@keyframes bob{0%,100%{transform:translate(-50%,-50%) rotate(45deg)}50%{transform:translate(-50%,-66%) rotate(45deg)}}
@keyframes dot{to{background:var(--blue);box-shadow:inset 0 0 0 2px var(--blue),0 0 0 5px rgba(43,81,240,.16)}}
@keyframes lift{40%{transform:translateY(-8px);box-shadow:var(--shadow-md)}to{transform:none}}
@keyframes badge{50%{transform:scale(1.2)}to{background:var(--blue);color:#fff;transform:none}}
@media(max-width:900px){.flight{display:none}.steps.fly{margin-top:42px}}
.docs{position:relative;padding:34px 10px 78px 26px}
.paper{position:relative;background:#FFFEFA;border-radius:6px;box-shadow:0 1px 2px rgba(13,20,38,.06),0 20px 44px -24px rgba(13,20,38,.38);padding:28px 26px 22px;font-size:13px;color:#2A2F3A}
.paper.p2,.paper.p3{position:absolute;left:26px;right:10px;top:34px;height:340px;overflow:hidden}
.paper.p3{transform:rotate(-6deg) translate(-20px,-4px);background:#FBF9F3}
.paper.p2{transform:rotate(3.5deg) translate(22px,-16px);background:#FDFBF6}
.paper.p1{transform:rotate(-1deg)}
.paper .ph{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;padding-bottom:12px;border-bottom:2px solid #1D2B53}
.p2 .ph,.p3 .ph{border-color:#7A1F2B}
.zh{font-family:"Noto Serif SC","Songti SC",STSong,SimSun,serif;font-weight:700}
.paper .ph .zh{display:block;font-size:22px;letter-spacing:.08em;line-height:1.2;color:#1D2B53}
.p2 .ph .zh,.p3 .ph .zh{color:#7A1F2B}
.paper .ph .en{display:block;margin-top:3px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#6B7280}
.doc-t{text-align:right}
.paper .doc-t .zh{font-size:15px}
.doc-t .no{display:block;margin-top:4px;font-size:10.5px;color:#6B7280}
.ln{height:8px;margin-top:16px;border-radius:4px;background:#ECEEF3}
.ln.s{width:58%}
.meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 10px}
.meta div{display:flex;flex-direction:column;gap:2px;min-width:0}
.meta dt{font-size:10px;color:#6B7280}
.meta dd{margin:0;font-weight:600;font-size:12.5px}
.items{width:100%;border-collapse:collapse;font-size:13px}
.items th{padding:6px 0;border-bottom:1px solid #D9DDE7;text-align:left;font-size:10px;font-weight:600;color:#6B7280}
.items th:last-child,.items td:last-child{text-align:right}
.items td{padding:8px 0;border-bottom:1px dashed #E3E6EE}
.items .tot td{padding-top:10px;border-bottom:0;font-weight:700;font-size:15px;color:#1D2B53}
.bank{display:flex;flex-direction:column;gap:1px;margin-top:10px;padding-top:10px;border-top:1px solid #D9DDE7;font-size:10.5px;color:#6B7280}
.bank b{font-size:12.5px;font-weight:600;color:#2A2F3A}
.stamp{position:absolute;right:14px;bottom:-24px;width:100px;height:100px;border-radius:50%;border:3px solid rgba(214,59,30,.85);box-shadow:inset 0 0 0 4px #FFFEFA,inset 0 0 0 5.5px rgba(214,59,30,.65);color:rgba(214,59,30,.92);display:flex;flex-direction:column;align-items:center;justify-content:center;transform:rotate(-14deg);font-family:Onest,sans-serif;mix-blend-mode:multiply}
.stamp .s1{font-weight:800;font-size:14px;letter-spacing:.06em}
.stamp .s2{margin-top:2px;font-size:10px;font-weight:700;letter-spacing:.08em}
.stamp .s3{margin-top:3px;font-size:10px}
.sample{position:absolute;top:9px;left:50%;transform:translateX(-50%);font-size:9px;letter-spacing:.24em;text-transform:uppercase;color:#B4BAC8}
.receipt{position:absolute;left:0;bottom:4px;display:flex;align-items:center;gap:12px;background:var(--surface);border-radius:14px;padding:14px 20px 14px 14px;box-shadow:var(--shadow-md);transform:rotate(1.5deg)}
.receipt .rc{font-size:24px;line-height:1}
.receipt b{display:block;font-family:Onest,sans-serif;font-size:15px}
.receipt .num{font-size:13.5px;color:var(--ink-70)}
@media(max-width:560px){
.docs{padding:24px 2px 96px 8px}
.paper{padding:26px 16px 18px}
.paper.p2,.paper.p3{left:8px;right:2px}
.paper .ph{flex-direction:column;align-items:flex-start}
.doc-t{text-align:left}
.meta{grid-template-columns:1fr 1fr}
.stamp{width:80px;height:80px;right:6px;bottom:-20px}
.stamp .s1{font-size:11px}
.stamp .s2,.stamp .s3{font-size:8.5px}
.receipt{right:4px}
}