:root{--blue:#2563eb;--ink:#172033;--muted:#64748b;--line:#dfe7f1;--soft:#f6f9ff;--max:920px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--soft);font:16px/1.75 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:var(--blue)}button,input,textarea,select{font:inherit}:focus-visible{outline:3px solid #f59e0b;outline-offset:3px}.wrap{width:min(calc(100% - 30px),var(--max));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{height:64px;display:flex;align-items:center;gap:22px}.brand{color:var(--ink);font-size:1.35rem;font-weight:900;text-decoration:none;letter-spacing:-.04em}.brand span{color:var(--blue)}.nav{margin-left:auto;display:flex;gap:18px}.nav a{color:#475569;text-decoration:none;font-size:.9rem;font-weight:700}.page{padding:44px 0 70px}.crumb{margin:0 0 14px;font-size:.85rem;color:var(--muted)}.crumb a{color:inherit}.hero{margin-bottom:26px}.hero h1{margin:0 0 8px;font-size:clamp(2rem,6vw,3.2rem);line-height:1.2;letter-spacing:-.045em}.hero p{max-width:720px;margin:0;color:var(--muted)}.panel{padding:clamp(20px,4vw,34px);background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 14px 40px #1e3a8a0d}.field{margin-bottom:18px}.field label{display:block;margin-bottom:6px;font-weight:800}.field small{display:block;margin-top:5px;color:var(--muted)}input,textarea,select{width:100%;padding:12px 13px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:var(--ink)}textarea{min-height:220px;resize:vertical}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:18px}.stat,.result-box{padding:15px;border-radius:13px;background:#eff6ff}.stat strong{display:block;font-size:1.55rem;line-height:1.2}.stat span{font-size:.8rem;color:#475569}.button{display:inline-flex;justify-content:center;padding:12px 20px;border:0;border-radius:10px;background:var(--blue);color:#fff;font-weight:900;cursor:pointer}.button:hover{background:#1d4ed8}.button.sub{background:#e2e8f0;color:#334155}.actions{display:flex;gap:10px;flex-wrap:wrap}.result-box{margin-top:20px;background:#ecfdf5;border:1px solid #bbf7d0}.result-box h2{margin:0 0 7px;font-size:1.1rem}.result-big{margin:0;color:#047857;font-size:clamp(1.8rem,5vw,2.7rem);font-weight:900}.result-details{margin:7px 0 0;color:#475569}.content{margin-top:28px;padding:clamp(20px,4vw,34px);background:#fff;border:1px solid var(--line);border-radius:20px}.content h2{margin:1.5em 0 .45em;font-size:1.45rem}.content h2:first-child{margin-top:0}.content h3{margin:1.3em 0 .35em}.content p,.content li{color:#475569}.content table{width:100%;border-collapse:collapse}.content th,.content td{padding:10px;border:1px solid var(--line);text-align:left}.notice{padding:13px 15px;border-left:4px solid var(--blue);background:#eff6ff;color:#334155}.site-footer{padding:30px 0;background:#172033;color:#cbd5e1}.footer-inner{display:flex;justify-content:space-between;gap:22px}.footer-links{display:flex;gap:14px;flex-wrap:wrap}.footer-links a{color:#cbd5e1;text-decoration:none;font-size:.86rem}.copy{margin-top:20px;padding-top:14px;border-top:1px solid #334155;font-size:.8rem}.legal h1{margin-top:0}.legal h2{padding-top:.5em;border-top:1px solid var(--line)}@media(max-width:650px){.nav{display:none}.grid,.stats{grid-template-columns:1fr 1fr}.footer-inner{display:block}.footer-links{margin-top:14px}}@media(max-width:400px){.stats{grid-template-columns:1fr}}