:root{--bg:#f7f7f4;--paper:#fff;--ink:#17252b;--muted:#52626a;--line:#dfe6e5;--navy:#123a43;--teal:#0f756c;--soft:#e6f3ef;--gold:#c77a25;--warn:#fff5e4;--red:#8a3e28;--radius:18px;color-scheme:light}
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p{color:var(--muted);max-width:680px}.material-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.material-link{min-height:135px;padding:19px 16px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;justify-content:space-between;gap:15px;text-decoration:none;color:var(--ink);box-shadow:0 2px 10px #1b43400a;transition:transform .16s,border-color .16s}.material-link:hover{transform:translateY(-3px);border-color:#82aaa3}.material-link b{font-size:1.02rem}.material-link small{color:var(--teal);font-weight:700}.arrow{font-size:1.25rem}.two-col{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);gap:35px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:23px;padding:29px;box-shadow:0 8px 35px #1b43400c}.panel + .panel{margin-top:16px}.panel-soft{background:#edf3f0}.answer-panel{border-left:5px solid var(--teal);margin-top:24px}.answer-panel strong.answer-label{display:block;color:#146e65;font-size:.76rem;letter-spacing:.09em;text-transform:uppercase;margin-bottom:12px}.answer-panel .answer-main{font-size:1.14rem}.breadcrumbs{display:flex;gap:9px;flex-wrap:wrap;font-size:.85rem;color:var(--muted);padding-top:28px}.breadcrumbs a{color:var(--muted)}.editorial h3{margin-top:25px}.editorial p{color:#3f5157}.aside-label{text-transform:uppercase;color:#466b69;font-size:.8rem;letter-spacing:.08em;font-weight:800}.related{display:grid;gap:6px;margin-top:10px}.related a{display:block;padding:9px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:650}.selector-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field label,.field legend{display:block;font-size:.91rem;font-weight:700;margin-bottom:7px}.field select{appearance:none;width:100%;border:1px solid #bdc9c7;border-radius:11px;background:#fff;padding:12px 36px 12px 13px;font:inherit;color:var(--ink);background-image:url("data:image/svg+xml,%3Csvg 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summary{font-size:1.07rem;font-weight:700;cursor:pointer}.faq p{padding-top:12px;color:var(--muted)}.reference-list{display:grid;gap:13px}.reference-list li{padding-bottom:9px}.reference-list a{font-weight:700}.reference-list p{font-size:.86rem;color:var(--muted);margin:3px 0}.footer{background:#123039;color:#ebf5f2;margin-top:45px;padding:40px 0}.footer-grid{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.footer a{color:#d7f0e9}.footer p{font-size:.87rem;color:#b9d3d0}.footer-links{display:flex;gap:15px;flex-wrap:wrap}.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:.83rem;font-weight:750;color:#30575a;display:inline-block;margin:4px 7px 0 0}.longlist li{margin:6px 0}.method-lines{display:grid;gap:16px}.method-lines h3{margin:0 0 5px}.method-lines p{margin:0;color:var(--muted)}@media(max-width:980px){.material-grid{grid-template-columns:repeat(3,1fr)}.two-col{grid-template-columns:1fr}.hero-grid{grid-template-columns:1fr 250px}}@media(max-width:700px){.wrap{width:min(100% - 30px,1110px)}.header-inner{min-height:67px}.brand{font-size:1rem}.brand-icon{height:33px;width:33px}.main-nav{gap:12px;font-size:.83rem}.hero{padding:35px 0 24px}.hero-grid{grid-template-columns:1fr}.hero-visual{min-height:145px;padding:20px}.hero-visual .big{font-size:3.8rem}.material-grid{grid-template-columns:repeat(2,1fr)}.material-link{min-height:115px}.panel{padding:20px}.selector-grid{grid-template-columns:1fr}.section{padding:24px 0 32px}.footer-grid{display:block}.main-nav a:last-child{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}