.bt{min-height:100vh;background:#08080c;color:#eaeaf0}.bt-nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;gap:14px;padding:28px 48px;background:linear-gradient(180deg,rgba(8,8,12,.85) 30%,transparent)}.bt-brand{font-weight:800;font-size:14px;letter-spacing:6px;color:#fff;text-decoration:none}.bt-tag{font-size:9px;letter-spacing:.3em;color:#c9184a;border:1px solid rgba(201,24,74,.55);border-radius:3px;padding:3px 5px 2px 8px;line-height:1}.bt-body{max-width:760px;margin:0 auto;padding:160px 24px 96px;text-align:center}.bt-kicker{font-size:11px;letter-spacing:.32em;color:#c9184a;margin-bottom:18px}.bt-title{font-size:clamp(26px,5vw,38px);font-weight:300;letter-spacing:-.01em;line-height:1.2;margin:0 0 20px}.bt-sub{font-size:14px;font-weight:300;line-height:1.7;color:rgba(234,234,240,.6);max-width:460px;margin:0 auto 40px}.bt-note{font-size:11px;letter-spacing:.28em;color:rgba(234,234,240,.4);margin-top:32px}.bt-form{display:flex;flex-direction:column;gap:20px;align-items:stretch;max-width:420px;margin:0 auto}.bt-input{background:transparent;border:0;border-bottom:1px solid rgba(234,234,240,.25);color:#eaeaf0;font-size:14px;letter-spacing:.18em;text-align:center;padding:10px 4px;outline:none;transition:border-color .25s ease}.bt-input::placeholder{color:rgba(234,234,240,.3);letter-spacing:.28em}.bt-input:focus{border-bottom-color:#c9184a}.bt-submit{background:transparent;border:1px solid rgba(234,234,240,.25);color:#eaeaf0;font-size:11px;letter-spacing:.28em;padding:12px 18px;cursor:pointer;transition:border-color .25s ease,color .25s ease}.bt-submit:hover:not(:disabled){border-color:#c9184a;color:#c9184a}.bt-submit:disabled{opacity:.4;cursor:default}.bt-error{margin-top:18px;font-size:11px;letter-spacing:.18em;color:#c9184a}.bt-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;text-align:left}@media (max-width:640px){.bt-grid{grid-template-columns:1fr}}.bt-card{display:block;border:1px solid rgba(234,234,240,.12);border-radius:6px;padding:22px 22px 18px;text-decoration:none;color:#eaeaf0;transition:border-color .25s ease,transform .25s ease}.bt-card:hover{border-color:rgba(201,24,74,.6);transform:translateY(-2px)}.bt-card-title{font-size:16px;font-weight:600;margin-bottom:8px}.bt-card-desc{font-size:13px;font-weight:300;line-height:1.6;color:rgba(234,234,240,.55);margin-bottom:14px}.bt-card-go{font-size:10px;letter-spacing:.28em;color:#c9184a}