/* A material section within the approved B template, not a separate page skin. */
.consolidated #materials,.consolidated #grade-65mn,.consolidated #hardness-profile{scroll-margin-top:120px}
.rod-materials{max-width:var(--max);margin:auto;padding:40px var(--space) 38px}
.rod-materials-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:26px}
.rod-materials-heading h2{font:400 clamp(32px,3.4vw,49px)/1.2 PreviewSerif,"Songti SC",serif;letter-spacing:-.035em;max-width:620px;margin:0}
.rod-materials-heading>p{font-size:14px;line-height:1.8;color:var(--muted);max-width:400px;margin:0}
.rod-material-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.rod-material{padding:25px 23px 22px;border:1px solid var(--rule);background:#e3eae5;border-radius:5px;display:flex;flex-direction:column;align-items:flex-start;scroll-margin-top:120px}
.rod-material .material-type{font-size:11px;line-height:1.6;color:#536963;margin:0 0 10px}
.rod-material h3{font:400 35px/1.2 PreviewSerif,"Songti SC",serif;margin:0 0 15px;color:var(--ink);letter-spacing:-.035em}
.rod-material .material-description{font:14px/1.8 Arial,"PingFang SC",sans-serif;color:#4b6166;margin:0 0 22px}
.rod-material a{font-size:12px;line-height:1.6;display:flex;align-items:center;gap:12px;margin-top:auto;min-height:44px;color:var(--blue);text-underline-offset:5px}
.rod-material a:hover{text-decoration:underline}.rod-material a svg{width:18px;transition:transform .18s ease}.rod-material a:hover svg{transform:translateX(3px)}
.rod-materials-foot{font-size:12px;color:var(--muted);line-height:1.7;margin:16px 0 0}
.material-comparison{margin-top:18px;border-block:1px solid var(--rule)}
.material-comparison summary{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:54px;color:var(--blue);font-size:14px;cursor:pointer;list-style:none}
.material-comparison summary::-webkit-details-marker{display:none}.material-comparison summary span{font-size:23px;font-weight:400;transition:transform .18s ease}.material-comparison[open] summary span{transform:rotate(45deg)}
.material-comparison table{width:100%;min-width:600px;border-collapse:collapse;table-layout:fixed}.material-comparison caption{text-align:start;font-size:12px;color:var(--muted);padding:8px 0 14px}
.material-comparison th,.material-comparison td{text-align:start;vertical-align:top;border-bottom:1px solid var(--rule);padding:13px 15px;font-size:13px;line-height:1.8;overflow-wrap:anywhere}.material-comparison th:first-child{width:16%;padding-inline-start:0}.material-comparison thead{background:#e3eae5}.material-comparison thead th:first-child{padding-inline-start:12px}.material-comparison>p{font-size:12px;line-height:1.8;color:var(--muted);margin:16px 0 20px}
.material-comparison .table-wrap{overflow-x:auto;overscroll-behavior-inline:contain}
@media(prefers-reduced-motion:reduce){.material-comparison summary span{transition:none}}
.consolidated .grade-65mn{border-top:1px solid var(--rule);margin:0;background:#edf1ed}
.consolidated .grade-65mn .product-supply{padding-top:44px;padding-bottom:30px;grid-template-columns:1fr 1.2fr;gap:6%}
.consolidated .grade-65mn .section-intro h2{margin:12px 0 18px}
.grade-supply-photo{margin:24px 0 0;max-width:380px}
.grade-supply-photo img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:6px}
.grade-supply-photo figcaption{font-size:10px;color:var(--muted);line-height:1.6;margin-top:8px}
.consolidated .grade-65mn .specification-table td,.consolidated .grade-65mn .specification-table th{padding:10px 13px;font-size:13px}
.consolidated .grade-65mn .b-evidence{padding-top:12px}
.consolidated .grade-65mn .evidence-fan{margin-top:35px}
.consolidated .grade-65mn .b-center h2{font-size:clamp(34px,3.6vw,49px)}
.consolidated .grade-65mn .b-records{padding-bottom:28px;margin-bottom:0}
.grade-technical-group{margin-top:24px;border-top:1px solid var(--rule);padding-top:25px}
.grade-technical-group>h3{font:400 26px/1.3 PreviewSerif,"Songti SC",serif;margin:0 0 20px;color:var(--ink)}
.consolidated .source-detail[data-grade-document]>summary{font-size:14px}
.consolidated :is(a,button):focus-visible{outline:2px solid #356478;outline-offset:4px}
@media(max-width:1100px){.rod-material-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.rod-materials-heading{align-items:start;gap:25px}.rod-materials-heading>p{max-width:320px}.rod-material h3{font-size:33px}}
@media(max-width:760px){.rod-materials{padding:34px 24px 30px}.rod-materials-heading{display:block;margin-bottom:22px}.rod-materials-heading h2{font-size:34px;margin-bottom:15px}.rod-materials-heading>p{max-width:none;font-size:13px}.rod-material-grid{grid-template-columns:1fr;gap:12px}.rod-material{padding:21px 22px}.rod-material .material-type{margin-bottom:7px}.rod-material h3{font-size:33px;margin-bottom:12px}.rod-material .material-description{font-size:13px;margin-bottom:8px}.rod-material a{font-size:12px}.consolidated .grade-65mn .product-supply{display:block;padding:32px 24px 20px}.grade-supply-photo{max-width:100%;margin:20px 0}.grade-supply-photo img{aspect-ratio:2/1}.consolidated .grade-65mn .b-center h2{font-size:34px}.consolidated .grade-65mn .specification-table td,.consolidated .grade-65mn .specification-table th{padding:10px 8px;font-size:12px}.consolidated .grade-65mn .specification-table thead th:first-child{width:26%}.grade-technical-group>h3{font-size:25px}}
@media(prefers-reduced-motion:reduce){.rod-material a svg{transition:none}}