.st{--s-bg:var(--light,#fff) var(--dark,#232323);--s-bd:var(--light,#e6e8ec) var(--dark,#333);--s-tile:var(--light,#f6f7f9) var(--dark,#2a2a2a);--s-text:var(--light,#1f2328) var(--dark,#f1f1f1);
  --s-muted:var(--light,#7b818a) var(--dark,#9a9a9a);--s-acc:var(--theme-base-color,#0065bb);--s-acc-bg:var(--light,rgba(0,101,187,.07)) var(--dark,rgba(64,150,255,.13));--s-ok:#2e9c3f;--s-err:#e11d48;--s-steam:#1b2838;--s-steam2:#66c0f4;
  color:var(--s-text);margin-bottom:40px}
.st button{font:inherit;color:inherit;cursor:pointer}
.st h2{font-size:22px;line-height:28px;margin:0 0 14px;color:var(--s-text)}
.st-test{margin:0 0 16px;padding:8px 12px;border-radius:10px;font-size:13px;background:var(--light,#fff7e6) var(--dark,rgba(251,191,36,.12));color:var(--light,#92400e) var(--dark,#fbbf24)}
.st-hero{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px;padding:24px 26px;border-radius:18px;
  background:linear-gradient(135deg,#1b2838 0%,#2a475e 60%,#1b2838 100%);color:#fff}
.st-hero__sub{margin:0 0 14px;max-width:720px;font-size:16px;line-height:24px;color:#c7d5e0}
.st-hero__sub b{color:#fff}
.st-hero__pts{display:flex;flex-wrap:wrap;gap:8px}
.st-hero__pts span{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);font-size:13px;color:#c7d5e0;white-space:nowrap}
.st-hero__pts b{color:var(--s-steam2)}
.st-hero__pts svg,.st-feat svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;color:var(--s-steam2)}
.st-hero__logo{flex:none;width:110px;height:110px;color:rgba(102,192,244,.9)}
.st-hero__logo svg{width:100%;height:100%}
.st-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:20px;align-items:start}
.st-main{min-width:0;display:flex;flex-direction:column;gap:18px}
.st-step{padding:18px;border-radius:16px;background:var(--s-bg);border:1px solid var(--s-bd)}
.st-step__h{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:16px;font-weight:700}
.st-num{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--s-acc);color:#fff;font-size:13px}
.st-login{display:flex;gap:8px}
.st-login__in,.st-amount__in{flex:1 1 auto;min-width:0;height:48px;padding:0 14px;border:1px solid var(--s-bd);border-radius:12px;background:var(--s-tile);color:var(--s-text);font-size:16px}
.st-login__in.is-err{border-color:var(--s-err);box-shadow:0 0 0 2px rgba(225,29,72,.15)}
.st-login__btn{flex:none;height:48px;padding:0 18px;border:1px solid var(--s-bd);border-radius:12px;background:var(--s-tile);font-weight:600}
.st-login__btn:hover{border-color:var(--s-acc)}
.st-login__msg,.st-amount__msg{min-height:20px;margin-top:8px;font-size:13px}
.st-login__msg.is-ok{color:var(--s-ok);font-weight:600}.st-login__msg.is-err,.st-amount__msg.is-err{color:var(--s-err)}.st-login__msg.is-wait{color:var(--s-muted)}
.st-hint{margin:4px 0 0;font-size:13px;color:var(--s-muted)}
.st-link{color:var(--s-acc)!important;border-bottom:1px dashed currentColor;text-decoration:none!important}
.st-amount{position:relative;display:flex}
.st-amount__in{padding-right:40px;font-size:20px;font-weight:700}
.st-amount__cur{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:18px;color:var(--s-muted)}
.st-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.st-chip{padding:8px 14px;border:1px solid var(--s-bd);border-radius:999px;background:var(--s-tile);font-size:14px;font-weight:600}
.st-chip.is-active{background:var(--s-acc);border-color:var(--s-acc);color:#fff!important}
.st-panel{position:sticky;top:90px}
.st-panel__in{padding:18px;border-radius:16px;background:var(--s-bg);border:1px solid var(--s-bd);box-shadow:0 10px 30px rgba(0,0,0,.06)}
.st-panel__h{font-weight:700;font-size:16px;margin-bottom:12px}
.st-calc{display:grid;grid-template-columns:1fr auto;gap:8px 12px;margin:0 0 12px;padding:12px 0;border-top:1px solid var(--s-bd);border-bottom:1px solid var(--s-bd);font-size:14px}
.st-calc dt{color:var(--s-muted);margin:0}.st-calc dd{margin:0;text-align:right;font-weight:600;word-break:break-all}.st-calc .st-ok{color:var(--s-ok)}
.st-total{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}
.st-total span{color:var(--s-muted)}.st-total b{font-size:28px;line-height:34px;font-weight:800}
.st-buy{width:100%;height:52px;border:0;border-radius:12px;background:#5aa514;color:#fff!important;font-size:16px;font-weight:700}
.st-buy:hover{filter:brightness(1.08)}.st-buy:disabled{opacity:.6}
.st-note{margin-top:12px;font-size:13px;line-height:18px;color:var(--s-muted)}
.st-sec{margin-top:32px}
.st-where{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:14px}
.st-where__steps,.st-steps{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.st-steps{grid-template-columns:repeat(3,minmax(0,1fr))}
.st-where__steps li,.st-steps li{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border-radius:14px;background:var(--s-tile);margin:0!important}
.st-where__steps li:before,.st-steps li:before{display:none!important}
.st-where__steps li span,.st-steps li span{font-size:14px;line-height:20px;color:var(--s-muted)}
.st-where__tip{display:flex;flex-direction:column;gap:6px;padding:16px;border-radius:14px;background:var(--s-acc-bg);border:1px solid var(--s-bd);font-size:14px;line-height:20px}
.st-why{padding:26px;border-radius:20px;background:linear-gradient(135deg,rgba(27,40,56,.14),rgba(27,40,56,0) 60%),var(--s-bg);border:1px solid var(--s-bd)}
.st-feat{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px 26px}
.st-feat div{display:flex;flex-direction:column;gap:6px}
.st-feat svg{width:34px;height:34px;stroke-width:1.6;color:var(--s-acc)}
.st-feat b{font-size:16px}.st-feat span{font-size:14px;line-height:20px;color:var(--s-muted)}
.st-tags{display:flex;flex-wrap:wrap;gap:8px}
.st-tags span{padding:8px 14px;border-radius:999px;background:var(--s-tile);border:1px solid var(--s-bd);font-size:14px}
.st-faq details{padding:14px 16px;border:1px solid var(--s-bd);border-radius:12px;margin-bottom:8px;background:var(--s-bg)}
.st-faq summary{cursor:pointer;font-weight:700}.st-faq p{margin:10px 0 0;color:var(--s-muted);line-height:1.5}
.st-empty{padding:30px;text-align:center;border-radius:16px;background:var(--s-tile)}
@media (max-width:991px){.st-layout{grid-template-columns:1fr}.st-panel{position:static}.st-feat{grid-template-columns:repeat(2,minmax(0,1fr))}.st-where{grid-template-columns:1fr}}
@media (max-width:767px){.st-hero{padding:18px}.st-hero__logo{display:none}.st-step{padding:14px}.st-feat,.st-steps{grid-template-columns:1fr}.st-why{padding:18px}.st-login{flex-wrap:wrap}.st-login__btn{flex:1 1 100%}}

.st .st-login__in,.st .st-amount__in,.st .st-login__in:focus,.st .st-amount__in:focus{background:var(--s-tile)!important;color:var(--s-text)!important;-webkit-text-fill-color:var(--s-text)!important;box-shadow:none;outline:none}
.st .st-login__in:focus,.st .st-amount__in:focus{border-color:var(--s-acc)!important;box-shadow:0 0 0 3px rgba(0,101,187,.18)!important}
.st .st-login__in::placeholder{color:var(--s-muted)!important;-webkit-text-fill-color:var(--s-muted)!important;opacity:1}
.st .st-login__in.is-err{border-color:var(--s-err)!important}
.st .st-amount__in::-webkit-outer-spin-button,.st .st-amount__in::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.st .st-amount__in{-moz-appearance:textfield;appearance:textfield}