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#price-hint.invalid{color:#a84d3b}#price{font-size:16px}

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.learning-details{margin-top:30px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:13px 17px}.learning-details p{font-size:11px;color:#75866b}
.area-field{margin-bottom:16px;min-width:0}.area-field>label{font-size:13px;font-weight:650;display:block}.area-input{display:grid;grid-template-columns:minmax(0,1fr) 70px;gap:6px}.area-input select{padding-left:9px;padding-right:3px}.area-conversion{display:block;font-size:11px;font-weight:400;color:#697e5d;margin-top:5px}#age-hint{display:block;font-size:11px;font-weight:400;color:#697e5d;margin-top:5px}
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.area-unit-control{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 18px;padding:12px;background:#f0f5ea;border-radius:8px}.area-unit-control>label{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:650}.area-unit-control select{width:120px;margin:0;font-size:16px}.area-unit-control small{font-size:11px;color:#697e5d}
.header-actions{display:flex;align-items:center;gap:15px}.header-actions>a{font-size:11px;text-underline-offset:4px}.share-section,.contact-section{margin:28px 0}.share-section h2,.contact-section h2{font-size:21px;margin:0 0 10px}.share-section p,.contact-intro{font-size:12px;color:#6e7f7b}.share-actions,.contact-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.contact-section{scroll-margin-top:20px}.contact-section form{margin-top:22px}.contact-section form>label{margin:14px 0}.contact-section textarea{font-size:15px}.contact-check{display:flex!important;align-items:center;gap:8px;font-size:12px!important}.contact-check input[type=checkbox]{width:18px;height:18px;margin:0;flex-shrink:0;accent-color:var(--green)}.contact-note,.contact-direct,.contact-privacy p{font-size:11px;line-height:1.9;color:#6e7f7b}.contact-actions .primary{width:auto;min-width:220px;margin-top:0;justify-content:center}.contact-direct{border-top:1px solid var(--line);padding-top:18px;overflow-wrap:anywhere}.contact-direct a{text-underline-offset:4px}.contact-privacy{margin-top:10px}#contact-form .form-grid{align-items:start}#contact-form{max-width:800px}.share-actions .text-button{font-size:12px}@media(max-width:690px){.header-actions{gap:8px}.header-actions .private{display:none}.header-actions>a{font-size:10px}.share-section h2,.contact-section h2{font-size:18px}.contact-actions{display:grid;grid-template-columns:1fr;width:100%}.contact-actions .primary{width:100%;min-width:0}.share-section,.contact-section{margin:20px 0}#contact-form .form-grid{grid-template-columns:1fr;gap:0}}

.install-help{max-width:1200px;margin:0 auto 18px;padding:12px 16px;border:1px solid #d8e4df;border-radius:12px;background:#fff;color:#284746;font-size:.92rem}
.install-help summary{cursor:pointer;font-weight:700}
.install-help p{margin:10px 0 0;line-height:1.65}