*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:#17253b;background:#f5f7fb;font:17px/1.65 system-ui,-apple-system,Segoe UI,sans-serif}a{color:#2454cb;text-underline-offset:4px}a:hover{color:#173a94}button,input,select{font:inherit}header{background:#fff;border-bottom:1px solid #dce3ef}.top{max-width:1120px;margin:auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#17253b;font-size:21px;font-weight:750}.mark{background:#2454cb;color:#fff;padding:5px 10px;border-radius:10px;font-size:19px}.lang{border:1px solid #ccd6e6;padding:7px 17px;border-radius:8px;text-decoration:none;font-size:14px;font-weight:650}nav{max-width:1120px;margin:auto;display:flex;gap:25px;flex-wrap:wrap;padding:0 24px 16px}nav a{color:#556276;text-decoration:none;font-size:14px}nav a[aria-current=page]{color:#2454cb;font-weight:700}main{max-width:1120px;margin:auto;padding:40px 24px 60px}h1{font-size:clamp(30px,4vw,44px);line-height:1.2;letter-spacing:-1.4px;margin:0 0 16px}h2{font-size:26px;line-height:1.3;margin:0 0 18px;letter-spacing:-.5px}h3{font-size:19px;line-height:1.4}.lead{font-size:18px;color:#59677c;max-width:750px;margin:0 0 28px}.eyebrow{font-size:13px;color:#2454cb;font-weight:750;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:12px}.panel{border:1px solid #dbe3ef;background:#fff;border-radius:16px;padding:30px;margin:28px 0}.calc-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:32px}.fields{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.fields.one{grid-template-columns:1fr}label{display:block;font-size:14px;font-weight:650;margin-bottom:6px}input,select{border:1px solid #bac8de;border-radius:8px;padding:12px;width:100%;min-width:0;background:white;color:#17253b}input:focus,select:focus{outline:3px solid #c5d5ff;border-color:#2454cb}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.tabs button{border:1px solid #d2dced;background:#fff;color:#526177;border-radius:8px;padding:9px 14px;font-size:14px;cursor:pointer}.tabs button[aria-pressed=true]{background:#2454cb;border-color:#2454cb;color:white}.result{background:#eef3ff;border-radius:12px;padding:24px}.result-label{font-size:14px;color:#4d6286}.result strong{display:block;font-size:clamp(32px,4vw,46px);line-height:1.3;color:#1e49b5;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.result p{margin:12px 0 0;font-size:15px}.small{font-size:14px;color:#647086}.error{font-size:14px;color:#b12236;min-height:24px}.examples{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.examples button,.button{display:inline-block;border:1px solid #cbd7eb;border-radius:8px;background:#fff;color:#2454cb;padding:9px 15px;text-decoration:none;cursor:pointer;font-size:14px;font-weight:650}.button.primary{background:#2454cb;border-color:#2454cb;color:#fff}.downloads{display:flex;flex-wrap:wrap;gap:10px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}.section-head h2{margin:0}.table-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}table{border-collapse:collapse;width:100%;font-size:15px;font-variant-numeric:tabular-nums}th{text-align:left;color:#53627a;font-size:13px;border-bottom:2px solid #dbe3ef;padding:10px}td{padding:8px 10px;border-bottom:1px solid #e8edf5}td:last-child{text-align:right;font-weight:650}tr:nth-child(even){background:#f8faff}.formula{font-size:20px;background:#eef3ff;border-left:4px solid #2454cb;border-radius:6px;padding:16px 20px;margin:20px 0}code{font-family:ui-monospace,Consolas,monospace;background:#edf2fa;padding:3px 7px;border-radius:4px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:white;border:1px solid #dbe3ef;border-radius:12px;padding:24px;text-decoration:none;color:#17253b}.card h3{margin:0 0 8px}.card p{font-size:15px;color:#617087;margin:0}.card:hover{border-color:#2454cb}.article{max-width:800px}.article p{margin:16px 0}.article h2{margin-top:38px}.article h3{margin-top:26px}.article img{max-width:100%;height:auto;border:1px solid #dbe3ef;border-radius:8px;background:white}.article figure{margin:24px 0}.article figcaption{font-size:14px;color:#647086;margin-top:6px}.notice{border-left:4px solid #2454cb;background:#eef3ff;padding:18px 22px;margin:24px 0;border-radius:6px}details{border-bottom:1px solid #dce3ef;padding:16px 0}summary{cursor:pointer;font-weight:650}footer{background:#fff;border-top:1px solid #dce3ef}.foot{max-width:1120px;margin:auto;padding:30px 24px;color:#667389;font-size:14px}.footlinks{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:14px}.contact{width:560px;max-width:100%;border:0!important}.ad-zone{margin:32px 0;padding:12px 0}.ad-zone>span{display:block;text-align:center;color:#78859a;font-size:12px;letter-spacing:1px;text-transform:uppercase;margin-bottom:10px}.ad-zone:has(ins[data-ad-status=unfilled]){display:none}.breadcrumbs{font-size:14px;color:#647086;margin-bottom:22px}.skip{position:absolute;left:20px;top:-100px}.skip:focus{top:10px;background:#fff;padding:10px;z-index:3}:focus-visible{outline:3px solid #9db6f5;outline-offset:3px}[hidden]{display:none!important}@media(max-width:760px){main{padding:28px 18px 40px}.top{padding:18px}.brand{font-size:17px;gap:8px}nav{gap:12px 18px;padding:0 18px 16px}.panel{padding:20px}.calc-grid{grid-template-columns:1fr;gap:22px}.table-grid{grid-template-columns:repeat(2,1fr);gap:12px}.cards{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}h1{letter-spacing:-.7px}.fields{gap:8px}input{padding:10px}}@media(max-width:380px){.table-grid{grid-template-columns:1fr}.fields{grid-template-columns:1fr}.top{gap:8px}.lang{padding:6px 10px}}@media print{header,footer,.ad-zone,.tabs,.examples,.downloads{display:none}body{background:#fff}main{max-width:none;padding:0}.panel{break-inside:avoid;border:0;padding:0}.table-grid{grid-template-columns:repeat(4,1fr)}}
.article,.formula{overflow-wrap:anywhere}.article table{table-layout:fixed}.article th,.article td{overflow-wrap:anywhere}

h1,h2,h3{max-width:100%;overflow-wrap:anywhere}

.error:empty{min-height:0;margin:0}@media(max-width:380px){.fields{grid-template-columns:repeat(3,1fr)}}@media(max-width:760px){h1{font-size:30px}.lead{font-size:16px;margin-bottom:18px}.tabs{margin-bottom:18px}.result{padding:18px}.calc-grid{gap:18px}.article h2:first-child{margin-top:0}}