:root{color:#eaf4ff;font-synthesis:none;background:#061426;font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at 50% -10%,#123e68 0,#061426 42%);min-width:320px;min-height:100vh;margin:0}button,input,select{font:inherit}main{max-width:720px;padding:env(safe-area-inset-top) 18px calc(24px + env(safe-area-inset-bottom));margin:auto}header{justify-content:space-between;align-items:center;height:78px;display:flex}.brand{align-items:center;gap:10px;display:flex}.brand i{color:#29aaff;border:2px solid #29aaff;border-radius:10px;padding:5px 9px;font-size:23px;font-style:normal;font-weight:900}.brand div{flex-direction:column;display:flex}.brand b{letter-spacing:2px}.brand span{letter-spacing:3px;color:#7da1bd;font-size:10px}.lang{text-transform:uppercase;color:#dceeff;background:#0b2137;border:1px solid #1c4261;border-radius:10px;width:auto;padding:9px}.hero{padding:24px 2px 18px}.hero h1,h1{margin:0 0 8px;font-size:32px}.hero p{color:#8eabc2;margin:0}.grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.grid button{color:#eaf4ff;text-align:left;cursor:pointer;background:linear-gradient(145deg,#0c2136,#091a2b);border:1px solid #173c5b;border-radius:20px;flex-direction:column;justify-content:space-between;min-height:126px;padding:20px;display:flex}.grid svg{color:#28a9ff;width:30px;height:30px}.grid b{font-size:17px}.back{color:#8fcfff;background:0 0;border:0;align-items:center;gap:4px;padding:10px 0;display:flex}.calc{gap:14px;margin-top:20px;display:grid}label{color:#9bb4c8;gap:7px;font-size:13px;display:grid}input,select{color:#fff;background:#0a1d30;border:1px solid #1d4565;border-radius:14px;outline:none;width:100%;min-height:54px;padding:0 15px;font-size:18px}input:focus,select:focus{border-color:#29aaff}.result{background:#0a2035;border:1px solid #1b4d70;border-radius:18px;margin-top:5px;padding:18px}.result small{color:#8daac0;display:block}.result strong{color:#fff;margin-top:5px;font-size:36px;display:inline-block}.result b{color:#29aaff;margin-left:8px}.twocol{grid-template-columns:1fr 1fr;gap:12px;display:grid}.hint{color:#7897af;margin:0;font-size:13px}footer{text-align:center;color:#496b85;padding:34px 0 10px;font-size:11px}@media (width>=600px){.grid{grid-template-columns:repeat(4,1fr)}.grid button{min-height:145px}}.warning{color:#f2c978;background:#241d0c;border:1px solid #6b5424;border-radius:12px;margin:4px 0;padding:12px;font-size:12px;line-height:1.5}.check{align-items:center;gap:10px;display:flex}.check input{width:22px;height:22px;min-height:22px}.check span{color:#b8ccdc;font-size:14px}.brand img{object-fit:cover;border-radius:16px;width:64px;height:64px;display:block}.brand i{display:none}