/* SEO PASS 2C-3: plasterboard sheet sizes reference only */
.pb-quick-answer{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(230px,.85fr);gap:18px;align-items:stretch;margin:0 0 30px}.pb-answer-copy{background:linear-gradient(135deg,#173b2b,#24523c);color:#fff;border-radius:20px;padding:24px 26px;box-shadow:var(--shadow-sm)}.pb-answer-copy .eyebrow{background:#f2b84b;color:#203027}.pb-answer-copy h2{color:#fff!important;margin:.75rem 0 .55rem!important;font-size:clamp(1.55rem,3vw,2.15rem)!important}.pb-answer-copy p{color:#e9f0eb;margin:.5rem 0}.pb-answer-stat{background:#f8f2e6;border:1px solid #e1d5c2;border-radius:20px;padding:24px;display:flex;flex-direction:column;justify-content:center}.pb-answer-stat strong{display:block;color:#173b2b;font-size:clamp(2rem,4vw,3rem);line-height:1;letter-spacing:-.04em}.pb-answer-stat span{display:block;margin-top:9px;color:#5e6a63;font-weight:720}.pb-answer-stat small{display:block;margin-top:10px;color:#6d756f;line-height:1.45}.pb-table-hint{display:none;margin:.2rem 0 .55rem;color:#647168;font-size:.82rem;font-weight:760}
.pb-reference-table td:first-child strong{display:block;color:#173b2b}.pb-reference-table small{display:block;color:#6b756f;line-height:1.35;margin-top:2px}.pb-reference-table td:nth-child(2),.pb-reference-table td:nth-child(3){white-space:nowrap}.pb-reference-table .pb-key td{background:#fff8e8!important}.pb-reference-table .pb-key td:first-child{box-shadow:inset 4px 0 #f2b84b}.pb-source-note{display:flex;gap:12px;align-items:flex-start;background:#edf3ee;border:1px solid #cad8ce;border-radius:16px;padding:16px 18px;margin:18px 0 26px}.pb-source-note strong{color:#173b2b}.pb-source-note p{margin:0;color:#4f6056}.pb-source-dot{flex:0 0 11px;width:11px;height:11px;margin-top:8px;border-radius:50%;background:#2e664b;box-shadow:0 0 0 5px #dce9df}.pb-size-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px;margin:22px 0 30px}.pb-size-card{border:1px solid #d7dfd8;border-radius:17px;background:#fbfaf6;padding:16px;min-width:0}.pb-size-card strong{display:block;color:#173b2b;font-size:1rem}.pb-size-card span{display:block;color:#69746d;font-size:.78rem;margin-top:2px}.pb-board-shape{margin:16px auto 4px;width:68%;max-width:110px;border:2px solid #2e664b;border-radius:7px;background:linear-gradient(145deg,#f5ead7,#fff);box-shadow:inset 0 0 0 5px rgba(255,255,255,.55),0 7px 16px rgba(27,45,35,.08);position:relative}.pb-board-shape::after{content:"";position:absolute;inset:8px;border:1px dashed rgba(23,59,43,.18);border-radius:3px}.pb-board-1800{aspect-ratio:900/1800}.pb-board-2400{aspect-ratio:1200/2400}.pb-board-2700{aspect-ratio:1200/2700}.pb-board-3000{aspect-ratio:1200/3000}.pb-thickness-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:20px 0 28px}.pb-thickness-card{position:relative;background:#f8f2e6;border:1px solid #e3d8c8;border-radius:18px;padding:20px;overflow:hidden}.pb-thickness-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:#f2b84b}.pb-thickness-card h3{margin:.05rem 0 .4rem!important;color:#173b2b}.pb-thickness-card p{color:#59675f;margin:.35rem 0}.pb-thickness-card .pb-label{display:inline-block;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;font-weight:850;color:#7b4a12;margin-bottom:4px}.pb-decision{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:20px 0 28px}.pb-decision>div{background:#fff;border:1px solid #d7ded8;border-radius:17px;padding:19px}.pb-decision h3{margin:.1rem 0 .4rem!important}.pb-decision p{margin:.35rem 0;color:#58665e}.pb-inline-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#173b2b;color:#fff;border-radius:19px;padding:20px 22px;margin:28px 0}.pb-inline-cta strong{display:block;font-size:1.08rem}.pb-inline-cta p{margin:4px 0 0;color:#dce8e0;font-size:.92rem}.pb-inline-cta .btn{background:#f2b84b;border-color:#f2b84b;color:#1c2b23!important;box-shadow:none;white-space:nowrap}.pb-inline-cta .btn:hover{background:#ffd071;border-color:#ffd071}.pb-faq details{border-top:1px solid #dbe1dc;padding:14px 0}.pb-faq summary{cursor:pointer;color:#173b2b;font-weight:820}.pb-faq details p{margin:.6rem 0 .2rem;color:#4f5e55}.pb-source-list{font-size:.9rem}.pb-source-list li{margin:.55rem 0!important}.pb-meta-note{font-size:.86rem;color:#68736c}.pb-hero-proof{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;position:relative;z-index:1}.pb-hero-proof span{padding:6px 10px;border-radius:10px;background:rgba(255,255,255,.72);border:1px solid #d1d9d2;color:#4c5c53;font-size:.76rem;font-weight:780}.reference-page .prose .pb-section-title{margin-top:2.35rem}.reference-page .prose .pb-section-title::before{content:"";display:block;width:42px;height:5px;border-radius:8px;background:var(--amber);margin-bottom:13px}
@media(max-width:860px){.pb-quick-answer{grid-template-columns:1fr}.pb-size-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pb-thickness-grid{grid-template-columns:1fr}.pb-inline-cta{align-items:flex-start;flex-direction:column}.pb-inline-cta .btn{width:100%}}
@media(max-width:560px){.page-hero.has-art .hero-art{display:none}.pb-table-hint{display:block}.pb-answer-copy,.pb-answer-stat{padding:19px}.pb-size-grid,.pb-decision{grid-template-columns:1fr}.pb-size-card{display:grid;grid-template-columns:1fr 78px;gap:10px;align-items:center}.pb-size-card>div:first-child{min-width:0}.pb-board-shape{grid-column:2;grid-row:1;width:58px;margin:0 auto}.pb-reference-table{min-width:620px}.pb-reference-table th:first-child,.pb-reference-table td:first-child{position:sticky;left:0;z-index:2}.pb-reference-table th:first-child{background:#173b2b}.pb-reference-table td:first-child{background:#fff}.pb-reference-table tr:nth-child(even) td:first-child{background:#f5f7f3}.pb-reference-table .pb-key td:first-child{background:#fff8e8!important}.pb-source-note{padding:14px}.pb-inline-cta{padding:18px}.pb-hero-proof{gap:6px}.pb-hero-proof span{font-size:.7rem}}