.materials-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 5vw;border-bottom:1px solid var(--line);background:var(--paper)}
.materials-header nav{display:flex;flex-wrap:wrap;gap:22px;font-size:17px}
.materials-main{max-width:1120px;padding:0 28px 56px;margin:auto;line-height:1.8}
.materials-hero{padding:72px 0 42px;border-bottom:1px solid var(--line)}
.materials-hero h1{font-size:clamp(34px,5vw,60px);line-height:1.15;max-width:920px;letter-spacing:-.025em;margin:0 0 28px}
.materials-lead{max-width:880px;color:var(--muted);font-size:21px}
.materials-jump{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.materials-jump a{padding:9px 14px;border:1px solid var(--line);border-radius:24px;font-size:15px}
.materials-main section{padding:36px 0;scroll-margin-top:24px}
.materials-main h2{font-size:clamp(26px,3vw,36px);line-height:1.35;margin:0 0 20px}
.materials-main h3{font-size:25px;line-height:1.4;margin:0 0 12px}
.materials-source{padding:30px;background:var(--sage);border-radius:18px;margin-top:24px}
.materials-source dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;border-top:1px solid var(--line);padding-top:24px;margin:24px 0}
.materials-source dt{font-size:15px;color:var(--muted)}
.materials-source dd{margin:3px 0 0;font-size:23px;overflow-wrap:anywhere}
.materials-main a:not(.button),.materials-related a{text-decoration:underline;text-underline-offset:5px;overflow-wrap:anywhere}
.materials-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:24px 0}
.materials-table-wrap table{width:100%;border-collapse:collapse;font-size:16px;min-width:650px;text-align:left}
.materials-table-wrap th,.materials-table-wrap td{padding:16px 20px;border-bottom:1px solid var(--line);vertical-align:top}
.materials-table-wrap thead th{background:var(--sage)}
.materials-table-wrap tbody th{font-weight:600}
.materials-table-wrap tr:last-child th,.materials-table-wrap tr:last-child td{border-bottom:0}
.materials-note{font-size:15px;color:var(--muted);line-height:1.7}
.materials-extra{padding:20px;border:1px solid var(--line);border-radius:12px;font-size:17px}
.materials-extra summary{font-weight:600;cursor:pointer}
.materials-main .materials-ageing{padding:36px;background:var(--sage);border-radius:18px;margin:24px 0}
.materials-badge{display:inline-block;background:var(--green);color:white;font-size:14px;border-radius:24px;padding:6px 14px;margin-bottom:20px}
.materials-contact{border-top:1px solid var(--line);margin-top:40px}
.materials-home{border-top:1px solid var(--line);background:var(--sage)}
.materials-home h2{font-size:clamp(28px,4vw,42px);line-height:1.3}
.materials-home p{max-width:850px}
.materials-related{font-size:19px;border-top:1px solid var(--line)}
.materials-proof{padding:32px;border-radius:16px}
.materials-proof-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:28px 0}
.materials-proof-grid article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;display:flex;flex-direction:column;align-items:flex-start}
.materials-proof-grid h3{font-size:24px;line-height:1.4;font-weight:700;margin:0 0 16px}
.materials-proof-grid p{font-size:18px;line-height:1.65;margin:0 0 18px;overflow-wrap:anywhere}
.materials-proof-grid .materials-proof-meta{font-size:15px;color:var(--muted)}
.materials-proof-grid a{font-size:19px;font-weight:700;text-decoration:underline;text-underline-offset:5px;margin-top:auto}
.materials-proof-status{background:var(--sage);color:var(--green);font-weight:700;border-radius:20px;padding:6px 12px}
.official-source-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px}
.official-source-grid article{border:1px solid var(--line);border-radius:14px;background:#fff;padding:24px;display:flex;flex-direction:column;align-items:flex-start}
.official-source-grid h3{font-size:24px;line-height:1.4;font-weight:700}
.official-source-grid p{font-size:17px;color:var(--muted);overflow-wrap:anywhere}
.official-source-grid a{font-size:19px;font-weight:700;margin-top:auto}
@media(max-width:800px){.official-source-grid{grid-template-columns:1fr}}
@media(max-width:800px){.materials-proof{padding:24px 20px}.materials-proof-grid{grid-template-columns:1fr}.materials-proof-grid article{padding:22px}}
@media(max-width:700px){.materials-header{flex-direction:column;align-items:flex-start;padding:18px 22px}.materials-header nav{gap:16px;font-size:15px}.materials-main{padding:0 20px 40px}.materials-hero{padding-top:42px}.materials-source{padding:22px}.materials-source dl{grid-template-columns:1fr}.materials-main .materials-ageing{padding:24px}.materials-lead{font-size:19px}}