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@media(max-width:1000px){.article-layout{gap:30px;grid-template-columns:minmax(0,1fr) 240px}.editorial-tools{flex-direction:column;align-items:stretch}.editorial-tools form{max-width:450px}.editorial-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:850px){.article-layout{display:flex;flex-direction:column}.article-aside{order:-1;width:100%}.article-help{display:none}.article-toc{padding:17px 20px}.article-heading{padding-bottom:25px}.article-heading h1{font-size:36px}.article-main{width:100%}.article-cover img{max-height:430px}.article-cover{margin-bottom:25px}.article-body{font-size:15px}.article-body h2{font-size:27px}.article-gallery figure img{height:210px}}
@media(max-width:600px){.editorial-heading{display:block}.editorial-heading h1{font-size:35px}.editorial-heading p{font-size:14px;margin-bottom:24px}.editorial-tools nav a{font-size:11px;padding:8px 11px}.editorial-tools input{font-size:16px}.editorial-grid{grid-template-columns:1fr;gap:22px}.editorial-copy h2{font-size:24px}.article-heading h1{font-size:32px}.article-heading .article-meta{font-size:11px}.article-body{font-size:14px;line-height:1.9}.article-body h2{font-size:25px;margin-top:35px}.article-body h3{font-size:21px}.article-gallery{grid-template-columns:1fr}.article-gallery figure img{height:auto;max-height:420px}.article-conversion{padding:24px}.article-conversion h2{font-size:26px}.article-conversion .actions{align-items:start;flex-direction:column;gap:20px}.article-table-wrap table{font-size:12px}.article-table-wrap td,.article-table-wrap th{padding:10px 12px}}

.article-body a{text-decoration:underline;text-underline-offset:3px}

/* Journal: a practical reading and selection workspace */
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@media(max-width:1000px){.journal-heading{gap:30px;grid-template-columns:1.1fr .9fr}.feature-copy{padding:28px}.feature-bottom{gap:15px}.journal .editorial-grid{gap:20px}.journal .editorial-copy h2{font-size:22px}.journal .editorial-tools nav a{font-size:12px}}
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.article-history{padding:15px 18px;border-left:3px solid #a2b6ce;background:#f3f6fa;color:#526477;font-size:13px;line-height:1.7;margin:0 0 28px}

.engineering-example{padding:18px 20px;background:#f1f5fa;border-left:3px solid #49749e;font-size:14px;line-height:1.7}.article-cover .guide-machine{object-fit:contain;background:#f5f7fa;max-height:500px;padding:22px}.editorial-photo .guide-machine{object-fit:contain;padding:14px;background:#f5f7fa}

.article-body table.equipment-evidence{min-width:0;width:100%;table-layout:fixed}.equipment-evidence th:first-child{width:25%}.equipment-evidence th:nth-child(2){width:43%}.equipment-evidence td,.equipment-evidence th{overflow-wrap:anywhere}@media(max-width:700px){.article-body .equipment-evidence td,.article-body .equipment-evidence th{padding:11px 7px;font-size:12px;line-height:1.5}}

.article-sources{margin:26px 0 35px;border-top:1px solid #d9e2ed;padding-top:19px;font-size:13px;line-height:1.8;color:#52657a}.article-sources summary{cursor:pointer;font-weight:600}.article-sources ul{padding-left:20px}.article-sources a{overflow-wrap:anywhere}.article-sources p{margin-top:13px}

@media(min-width:851px){.article-body{max-width:78ch}.article-aside{position:sticky;top:24px;max-height:calc(100vh - 48px);overflow-y:auto;scrollbar-width:thin;padding-right:3px}}