.factory-documents{padding-block:64px 16px;scroll-margin-top:110px}
.factory-documents-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.factory-documents-heading h2{font-size:clamp(28px,3vw,42px);line-height:1.15;margin:10px 0 14px;letter-spacing:-.7px}
.factory-documents-heading p:last-child{font-size:17px;line-height:1.65;max-width:700px;color:var(--muted)}
.factory-documents h3{font-size:clamp(23px,2.2vw,30px);line-height:1.3;margin:0 0 12px}
.factory-archive-heading{margin-bottom:24px}.factory-archive-heading p{font-size:16px;line-height:1.65;margin:8px 0;color:var(--muted)}
.factory-archive-heading .factory-archive-note{font-size:14px;color:#58635b;max-width:74ch}
.factory-archive-grid,.factory-photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.factory-archive-card{margin:0;min-width:0;background:#fff;border:1px solid #dce5df;border-radius:8px;overflow:hidden}
.factory-archive-preview{display:flex;flex-direction:column;align-items:center;gap:14px;padding:18px;background:#f1f4ef}
.factory-archive-preview img{display:block;width:100%;height:auto;aspect-ratio:2/3;object-fit:contain;background:#fff}
.factory-archive-grid img,#image-dialog img[src*="huayuan-archive-certificate-"]{filter:none}
.factory-photo-grid img,#image-dialog img[src*="huayuan-archive-project-photo-"]{filter:none}
.factory-archive-preview span{font-size:15px;line-height:1.5;color:#075c32;font-weight:600}
.factory-archive-preview:hover span{text-decoration:underline;text-underline-offset:4px}.factory-archive-preview:focus-visible{outline:3px solid #016e35;outline-offset:-4px}
.factory-archive-card figcaption{display:flex;align-items:baseline;gap:12px;padding:20px 18px;font-size:17px;line-height:1.45;font-weight:600;color:#183b2b}
.factory-archive-number{font-size:13px;font-weight:400;color:#69796d;flex-shrink:0}
.factory-more-certificates{margin-top:24px;border-block:1px solid #dce5df}.factory-more-certificates summary{cursor:pointer;font-size:17px;font-weight:600;padding:22px 4px;color:#075c32}.factory-more-certificates[open]{padding-bottom:24px}
.factory-reference{display:grid;grid-template-columns:minmax(200px,1fr) minmax(0,2fr);gap:48px;align-items:start;margin:64px 0}
.factory-reference-intro>p:not(.eyebrow){font-size:16px;line-height:1.7;color:var(--muted);margin:16px 0 24px}
.factory-letter{background:#fff;border:1px solid #dce5df;border-top:5px solid #17643d;border-radius:4px;padding:36px 40px;color:#24382c;box-shadow:0 8px 30px #163d2210;text-align:left}
.factory-letter h4{font-family:Georgia,serif;font-size:30px;line-height:1.2;margin:0 0 28px;font-weight:500}
.factory-letter p{font-size:18px;line-height:1.8;margin:0 0 20px;max-width:65ch}
.factory-letter .factory-letter-model{background:#eff5ed;color:#154b36;font-weight:700;padding:12px 18px;letter-spacing:.5px;margin:20px 0 26px}
.factory-letter .factory-letter-signoff{font-size:16px;margin:28px 0 0;line-height:1.9}.factory-letter-signoff strong{font-size:18px}
.factory-project-photos>h3{margin-bottom:24px}.factory-photo-grid .factory-archive-preview img{aspect-ratio:4/3;background:#edf1eb}.factory-photo-grid .factory-archive-preview{padding:12px}.factory-photo-grid figcaption{font-size:16px;padding:16px}
.factory-documents-footer{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding-top:30px;margin-top:30px;border-top:1px solid #dce5df}.factory-documents-footer a{font-size:16px}
@media(max-width:1000px){.factory-reference{grid-template-columns:1fr;gap:24px}.factory-reference-intro>p:not(.eyebrow){margin:12px 0}.factory-letter{max-width:800px;width:100%}.factory-documents-heading{align-items:flex-start;flex-direction:column}.factory-archive-grid,.factory-photo-grid{gap:18px}.factory-archive-preview{padding:12px}.factory-archive-card figcaption{font-size:16px;padding:16px 12px}}
@media(max-width:650px){.factory-documents{padding-top:42px}.factory-archive-grid{grid-template-columns:1fr;gap:24px}.factory-archive-preview{padding:20px}.factory-archive-preview img{max-height:620px;aspect-ratio:auto}.factory-archive-card figcaption{padding:20px;font-size:18px}.factory-reference{margin:44px 0}.factory-letter{padding:28px 22px}.factory-letter h4{font-size:28px}.factory-letter p{font-size:17px;line-height:1.8}.factory-photo-grid{grid-template-columns:1fr}.factory-photo-grid .factory-archive-preview img{height:auto;max-height:440px}.factory-documents-footer .button{white-space:normal;text-align:start}}

.factory-letter p{color:#182d20}.factory-letter h4{color:#123621}