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var(--brand);border-radius:var(--radius-md);background:var(--surface);max-width:760px;padding:22px 26px}.notice-block strong{font-weight:660}.notice-block p{color:var(--text-secondary);margin:8px 0 0;font-size:15px;line-height:1.6}.privacy-list{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin:0;padding:0;list-style:none;display:grid}.privacy-list li{gap:6px;display:grid}.privacy-list strong{font-size:15px;font-weight:640}.privacy-list span{color:var(--text-secondary);font-size:14.5px;line-height:1.6}.faq-list{max-width:780px;margin:0;padding:0;list-style:none}.faq-item{border-bottom:1px solid var(--border)}.faq-item summary{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;font-size:16px;font-weight:600;list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--text-muted);font-size:20px;font-weight:400;line-height:1}.faq-item[open] summary:after{content:"–"}.faq-item p{color:var(--text-secondary);max-width:680px;margin:0;padding:0 0 18px;font-size:15px;line-height:1.65}.app-footer{border-top:1px solid var(--border);color:var(--text-muted);margin-top:96px;padding:40px 0 56px}.app-footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;display:flex}.app-footer .brand{font-size:15px}.app-footer nav{flex-wrap:wrap;gap:20px;display:flex}.app-footer nav a{color:var(--text-secondary);font-size:13.5px;text-decoration:none}.app-footer nav a:hover{color:var(--text)}.footer-note{color:var(--text-muted);margin:22px 0 0;font-size:12.5px}.prose-page{padding:56px 0 80px}.prose-page h1{letter-spacing:-.03em;margin:0 0 12px;font-size:clamp(30px,4vw,40px);font-weight:730}.prose-page .lede{max-width:680px;color:var(--text-secondary);margin:0 0 40px;font-size:17px;line-height:1.6}.prose-section{border-top:1px solid var(--border);max-width:760px;padding:28px 0}.prose-section:first-of-type{border-top:0}.prose-section h2{letter-spacing:-.02em;margin:0 0 10px;font-size:21px;font-weight:680}.prose-section h3{margin:22px 0 6px;font-size:16px;font-weight:640}.prose-section p{color:var(--text-secondary);margin:0 0 12px;font-size:15px;line-height:1.65}.prose-section code{background:var(--surface-secondary);font-family:var(--font-mono);border-radius:4px;padding:1px 5px;font-size:12.5px}.prose-section table{border-collapse:collapse;width:100%;margin:14px 0 18px;font-size:14px}.prose-section td,.prose-section th{border-bottom:1px solid var(--border);text-align:left;padding:8px 10px}.prose-section th{color:var(--text-secondary);font-weight:620}.prose-section td:last-child,.prose-section th:last-child{text-align:right;font-family:var(--font-mono);color:var(--text-muted);font-size:12.5px}.prose-section ul{color:var(--text-secondary);margin:0 0 12px;padding-left:20px;font-size:15px;line-height:1.65}.formula{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-secondary);font-family:var(--font-mono);color:var(--text);padding:10px 14px;font-size:13px;overflow-x:auto}@media (width<=600px){.landing-section{padding:52px 0}.app-nav a{padding:8px;font-size:13.5px}.nav-cta{padding:6px 10px!important}}