*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f4f7fb;color:#1e293b;line-height:1.6}.wrap{width:min(960px,92%);margin:auto}header,footer{background:#fff;border-bottom:1px solid #dbe3ee}.top{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.brand{font-weight:700;font-size:1.35rem;color:#0f172a;text-decoration:none}nav{display:flex;gap:18px}a{color:#1d4ed8;text-decoration:none}a:hover{text-decoration:underline}.hero{text-align:center;padding:44px 0 24px}.hero h1{font-size:clamp(2rem,5vw,3rem);margin:0 0 10px}.card,.content{background:#fff;border:1px solid #dbe3ee;border-radius:14px;padding:28px;box-shadow:0 8px 24px rgba(15,23,42,.05);margin-bottom:30px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}label{font-weight:700}input{width:100%;margin-top:7px;padding:12px;border:1px solid #b8c3d1;border-radius:8px;font-size:1rem}button{margin-top:22px;width:100%;padding:14px;border:0;border-radius:8px;background:#1d4ed8;color:#fff;font-size:1.05rem;font-weight:700;cursor:pointer}.msg{font-weight:700;min-height:25px}.results{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.results div{background:#f8fafc;border:1px solid #dbe3ee;border-radius:10px;padding:18px}.results span{display:block;color:#64748b;font-size:.92rem}.results strong{display:block;font-size:1.3rem;margin-top:5px}.content h2:not(:first-child){margin-top:28px}footer{border-top:1px solid #dbe3ee;border-bottom:0;text-align:center;padding:22px 0;color:#64748b}@media(max-width:760px){.top{flex-direction:column;align-items:flex-start;gap:10px}.grid,.results{grid-template-columns:1fr}.card,.content{padding:20px}}