.solution-detail-page{overflow-x:hidden;background:#fff;color:#062f4a}
.sd-main{font-family:Inter,"Segoe UI",Arial,sans-serif;--navy:#062f4a;--teal:#009892;--mint:#e9f7f6;--line:#cfe0e3;--mist:#f5fafb;--glass:rgba(255,255,255,.76)}
.sd-main *{box-sizing:border-box}.sd-main h1,.sd-main h2,.sd-main h3{font-family:"Avenir Next",Inter,"Segoe UI",Arial,sans-serif;color:var(--navy);letter-spacing:-.035em}.sd-shell{width:min(1510px,calc(100% - 96px));margin:auto}.sd-section{padding:68px 0;border-top:1px solid #e4edef}.sd-eyebrow{margin:0 0 18px;text-transform:uppercase;letter-spacing:.18em;color:#008d89;font-size:12px;font-weight:600}.sd-hero{min-height:690px;display:flex;align-items:center;background:radial-gradient(circle at 82% 30%,rgba(100,210,204,.25),transparent 34%),linear-gradient(115deg,#fff 22%,#f3fafb 100%);position:relative;overflow:hidden}.sd-hero:after{content:"";position:absolute;width:650px;height:650px;border:1px solid rgba(0,152,146,.14);border-radius:50%;right:-100px;top:-150px}.sd-hero__grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:78px;align-items:center;position:relative;z-index:1}.sd-hero h1{font-size:clamp(54px,5.3vw,86px);line-height:.98;margin:0 0 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i{font-style:normal;color:var(--teal);font-size:22px}.sd-step-float:nth-child(2){top:0;left:38%}.sd-step-float:nth-child(3){top:28%;right:0}.sd-step-float:nth-child(4){bottom:0;right:17%}.sd-step-float:nth-child(5){bottom:8%;left:0}.sd-step-float:nth-child(6){top:16%;left:0}.sd-section-head h2{font-size:clamp(34px,3vw,52px);line-height:1.04;margin:0 0 12px}.sd-section-head>p:last-child{color:#607783;max-width:730px;line-height:1.65}.sd-challenge-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:60px;align-items:center}.sd-bullets{display:grid;gap:12px;margin-top:25px}.sd-bullets div{padding:15px 18px;border:1px solid var(--line);border-radius:12px;background:#fff;color:#35596c}.sd-bullets div:before{content:"✓";color:var(--teal);font-weight:600;margin-right:12px}.sd-visual-image{min-height:390px;border-radius:24px;overflow:hidden;background:#eaf3f4;position:relative}.sd-visual-image img{width:100%;height:100%;position:absolute;object-fit:cover}.sd-need-grid,.sd-material-grid,.sd-related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.sd-mini-card{padding:25px;border:1px solid var(--line);border-radius:17px;background:#fff;min-height:135px}.sd-mini-card i{font-style:normal;font-size:34px;color:var(--teal)}.sd-mini-card h3{font-size:18px;margin:12px 0 8px}.sd-mini-card p{font-size:14px;line-height:1.5;color:#607783;margin:0}.sd-center-head{text-align:center;margin-bottom:34px}.sd-center-head h2{font-size:38px;margin:5px 0}.sd-process{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff}.sd-process article{padding:29px 24px;min-height:200px;position:relative;border-right:1px solid var(--line)}.sd-process article:last-child{border:0}.sd-process span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--teal);color:#fff;font-weight:600;font-size:12px}.sd-process h3{font-size:17px;margin:18px 0 9px}.sd-process p{color:#607783;line-height:1.5;font-size:14px}.sd-split{display:grid;grid-template-columns:1fr 1fr;gap:28px}.sd-strategy{padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff}.sd-strategy h3{font-size:25px;margin:0 0 12px}.sd-strategy li{margin:11px 0;color:#496779}.sd-equipment-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.sd-equipment-card{display:grid;grid-template-columns:180px 1fr;min-height:220px;border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;background:#fff}.sd-equipment-card img{width:100%;height:100%;object-fit:contain;background:#f3f8f8}.sd-equipment-card div{padding:25px}.sd-equipment-card h3{font-size:21px;margin:0 0 10px}.sd-equipment-card p{color:#607783;line-height:1.5;font-size:14px}.sd-equipment-card b,.sd-resource-card b{color:var(--teal)}.sd-material-grid{grid-template-columns:repeat(5,1fr)}.sd-material-grid .sd-mini-card{text-align:center}.sd-application-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.sd-application{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.sd-application img{width:100%;height:190px;object-fit:cover}.sd-application div{padding:19px}.sd-application h3{font-size:18px;margin:0 0 8px}.sd-resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.sd-resource-card,.sd-related-grid a{padding:25px;border:1px solid var(--line);border-radius:17px;text-decoration:none;background:#fff}.sd-resource-card h3{font-size:19px}.sd-related-grid a{display:flex;align-items:center;justify-content:space-between;font-weight:600;color:var(--navy)}.sd-cta{padding:60px 0 80px}.sd-cta__panel{display:grid;grid-template-columns:.9fr 1.1fr;min-height:320px;overflow:hidden}.sd-cta__copy{padding:48px;background:linear-gradient(125deg,#eaf8f7,#fff)}.sd-cta h2{font-size:42px;margin:0 0 15px}.sd-cta p{color:#55717f;line-height:1.6}.sd-cta img{width:100%;height:100%;object-fit:cover}.sd-trust{display:grid;grid-template-columns:repeat(4,1fr);padding:22px;background:#eef8f8;border-radius:18px;margin-top:20px}.sd-trust div{text-align:center;border-right:1px solid var(--line);font-size:13px;color:#496779}.sd-trust div:last-child{border:0}
@media(max-width:1000px){.sd-shell{width:min(100% - 36px,760px)}.sd-hero{padding:80px 0}.sd-hero__grid,.sd-challenge-grid,.sd-split,.sd-cta__panel{grid-template-columns:1fr}.sd-hero__visual{min-height:500px}.sd-process{grid-template-columns:1fr}.sd-process article{border-right:0;border-bottom:1px solid var(--line)}.sd-need-grid,.sd-application-grid,.sd-related-grid{grid-template-columns:repeat(2,1fr)}.sd-material-grid{grid-template-columns:repeat(3,1fr)}.sd-equipment-grid{grid-template-columns:1fr}}
@media(max-width:620px){.sd-shell{width:calc(100% - 28px)}.sd-section{padding:48px 0}.sd-hero h1{font-size:47px}.sd-hero__visual{min-height:440px;transform:scale(.85)}.sd-need-grid,.sd-application-grid,.sd-related-grid,.sd-material-grid,.sd-resource-grid{grid-template-columns:1fr}.sd-equipment-card{grid-template-columns:1fr}.sd-equipment-card img{height:220px}.sd-trust{grid-template-columns:1fr;gap:14px}.sd-trust div{border:0}.sd-cta__copy{padding:30px}}
.sd-process{grid-template-columns:repeat(var(--steps,5),1fr)}
.sd-strategy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.sd-strategy-grid .sd-strategy{height:100%}
@media(max-width:620px){.sd-strategy-grid{grid-template-columns:1fr}}

/* Paper deacidification — reference-specific editorial layout */
.pd-hero{min-height:620px;display:flex;align-items:center;background:radial-gradient(circle at 85% 18%,rgba(137,219,214,.24),transparent 35%),linear-gradient(110deg,#fff 20%,#f1fafa 100%);overflow:hidden}.pd-hero__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}.pd-hero h1{font:600 clamp(58px,5.2vw,86px)/1 "Avenir Next",Inter,"Segoe UI",Arial,sans-serif;letter-spacing:-.045em;margin:0 0 24px}.pd-lead{max-width:650px;color:#496779;font-size:18px;line-height:1.7}.pd-framework{height:440px;position:relative}.pd-framework__ring{position:absolute;width:330px;height:330px;border:1px solid rgba(0,143,139,.28);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}.pd-framework__core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;text-transform:uppercase;font-weight:600;font-size:20px;line-height:1.12}.pd-framework__item{position:absolute;width:132px;height:132px;border:1px solid #d6e7e8;background:rgba(255,255,255,.86);box-shadow:0 15px 34px rgba(8,47,69,.1);border-radius:50%;display:grid;place-content:center;text-align:center;text-transform:uppercase}.pd-framework__item i{font-style:normal;color:#00908c;font-size:34px;line-height:1}.pd-framework__item b{font-size:11px;margin-top:10px}.pd-framework__item--1{left:50%;top:2%;transform:translateX(-50%)}.pd-framework__item--2{left:9%;top:29%}.pd-framework__item--3{right:9%;top:29%}.pd-framework__item--4{left:23%;bottom:0}.pd-framework__item--5{right:23%;bottom:0}.pd-section{padding:50px 0}.pd-section h2,.pd-cta h2{font-family:"Avenir Next",Inter,"Segoe UI",Arial,sans-serif;color:#062f4a;letter-spacing:-.035em}.pd-challenge{display:grid;grid-template-columns:1fr 1.12fr;gap:90px}.pd-challenge h2{font-size:34px;line-height:1.1;margin:0 0 20px}.pd-challenge>div>p:not(.sd-eyebrow){color:#607783;line-height:1.65;max-width:620px}.pd-risk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}.pd-risk-grid i{font-style:normal;font-size:30px;color:#00918e}.pd-risk-grid h3{font-size:16px;margin:12px 0 7px}.pd-risk-grid p{font-size:13px!important;line-height:1.45!important}.pd-checks{display:grid;gap:15px;margin-top:28px;color:#607783}.pd-checks li:before,.pd-list li:before{content:'✓';display:inline-grid;place-items:center;width:22px;height:22px;border:1px solid #9bd5d2;border-radius:50%;color:#00918e;margin-right:12px;font-weight:600}.pd-panel{border:1px solid #d9e7e8;border-radius:18px;padding:30px}.pd-method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.pd-method-grid a{display:grid;grid-template-columns:86px 1fr;gap:16px;align-items:start;padding:28px;border:1px solid #65bcb9;border-radius:13px;text-decoration:none;color:#062f4a;background:#fff}.pd-method-grid i{font-style:normal;width:68px;height:68px;border-radius:50%;display:grid;place-items:center;background:#f1f9f9;color:#008d89;font-size:32px;box-shadow:0 8px 20px rgba(7,47,74,.08)}.pd-method-grid h3{font-size:20px;margin:0 0 8px}.pd-method-grid p,.pd-equipment p,.pd-resource p{color:#607783;font-size:14px;line-height:1.5}.pd-method-grid b,.pd-equipment b,.pd-resource b{color:#008d89;font-size:13px}.pd-flow{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid #d9e7e8;border-radius:17px}.pd-flow article{min-height:210px;padding:25px 18px;text-align:center;position:relative;border-right:1px solid #e4edef}.pd-flow article:last-child{border:0}.pd-flow span{position:absolute;top:-17px;left:50%;transform:translateX(-50%);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid #9ccdcc;background:#f5fbfb;font-weight:600}.pd-flow i{display:block;font-style:normal;color:#00918e;font-size:30px;margin:25px 0 12px}.pd-flow h3{font-size:15px;margin:0 0 9px}.pd-flow p{font-size:12px;line-height:1.45;color:#607783}.pd-equipment{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.pd-equipment a{display:grid;grid-template-columns:1fr 45%;min-height:230px;padding:25px;border:1px solid #d9e7e8;border-radius:15px;text-decoration:none;background:#fff;overflow:hidden}.pd-equipment h3{font-size:20px;margin:0 0 12px}.pd-equipment img{width:100%;height:100%;object-fit:contain}.pd-info-grid{display:grid;grid-template-columns:.8fr .8fr 1.4fr;gap:20px}.pd-info-grid>article,.pd-resource{border:1px solid #d9e7e8;border-radius:15px;padding:26px;background:#fff}.pd-list{display:grid;gap:12px;color:#183e55}.pd-resource{display:grid;grid-template-columns:1fr 180px;gap:20px;text-decoration:none;color:#062f4a;background:linear-gradient(120deg,#fff,#eef8f8)}.pd-resource small{color:#008d89;text-transform:uppercase;font-weight:600}.pd-resource h3{font-size:23px}.pd-book{align-self:stretch;border-radius:10px;padding:18px;background:linear-gradient(160deg,#edfafa 55%,#e1c99f);display:flex;flex-direction:column;justify-content:space-between}.pd-book span{font-weight:600}.pd-book strong{text-transform:uppercase}.pd-related{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.pd-related a{padding:22px;border:1px solid #d9e7e8;border-radius:14px;text-decoration:none;color:#062f4a;font-weight:600}.pd-related span{display:block;color:#008d89;font-size:12px;margin-top:13px}.pd-cta{padding:25px 0 70px}.pd-cta__panel{min-height:160px;border-radius:18px;padding:32px;background:linear-gradient(110deg,#e7f7f6,#fff);display:flex;align-items:center;justify-content:space-between}.pd-cta h2{font-size:32px;margin:0 0 8px}.pd-cta p{color:#607783;margin:0;max-width:700px}.pd-cta .sd-actions{margin:0;flex-wrap:nowrap}
@media(max-width:1000px){.pd-hero{padding:70px 0}.pd-hero__grid,.pd-challenge{grid-template-columns:1fr}.pd-method-grid,.pd-equipment,.pd-info-grid{grid-template-columns:1fr}.pd-flow{grid-template-columns:repeat(2,1fr)}.pd-related{grid-template-columns:repeat(2,1fr)}.pd-cta__panel{display:block}.pd-cta .sd-actions{margin-top:25px}.pd-framework{max-width:650px;width:100%;margin:auto}}
@media(max-width:620px){.pd-framework{transform:scale(.78);transform-origin:center}.pd-risk-grid,.pd-flow,.pd-related{grid-template-columns:1fr}.pd-method-grid a,.pd-resource{grid-template-columns:1fr}.pd-equipment a{grid-template-columns:1fr}.pd-equipment img{height:180px}.pd-cta .sd-actions{flex-wrap:wrap}}
.pd-book-image{width:100%;height:100%;min-height:210px;object-fit:cover;border-radius:10px}

/* Paper deacidification — reference-matched information and related-solution cards */
.pd-info-section{padding:50px 0 18px}
.pd-info-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1.42fr);gap:22px;align-items:stretch}
.pd-info-grid>.pd-info-card,.pd-info-grid>.pd-resource{min-height:326px;padding:0;border:1px solid #d7e5e7;border-radius:15px;background:rgba(255,255,255,.94);box-shadow:0 12px 34px rgba(7,47,74,.045)}
.pd-info-card{padding:28px 30px!important}
.pd-info-card .sd-eyebrow,.pd-resource .sd-eyebrow,.pd-related-section .sd-eyebrow{margin-bottom:20px}
.pd-icon-list{display:grid;gap:13px;margin:0;padding:0;list-style:none}
.pd-icon-list li{display:grid;grid-template-columns:31px 1fr;gap:12px;align-items:center;min-height:35px;color:#163b53;font-size:15px;font-weight:600;line-height:1.25}
.pd-icon-list img{width:31px;height:31px;object-fit:contain;border-radius:7px}
.pd-info-grid>.pd-resource{display:grid;grid-template-columns:minmax(0,1fr) 215px;gap:25px;overflow:hidden;padding:27px 24px 24px 30px;text-decoration:none;color:#062f4a;background:linear-gradient(122deg,#fff 5%,#f2fafa 100%)}
.pd-resource__copy{display:flex;flex-direction:column;min-width:0}
.pd-resource small{color:#008d89;text-transform:uppercase;font-weight:600;letter-spacing:.13em;font-size:10px}
.pd-resource h3{margin:13px 0 10px;font-size:24px;line-height:1.05;letter-spacing:-.025em}
.pd-resource p{margin:0;max-width:290px}
.pd-resource b{display:flex;align-items:center;gap:16px;margin-top:auto;font-size:14px}
.pd-resource b span{font-size:18px}
.pd-resource__cover{position:relative;align-self:stretch;min-height:274px;margin:0;border-radius:12px;overflow:hidden;background:#e8f4f3}
.pd-resource__cover img{width:100%;height:100%;object-fit:cover}
.pd-resource__cover:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(232,247,246,.98) 0,rgba(232,247,246,.91) 33%,rgba(232,247,246,.06) 56%,transparent 100%)}
.pd-resource__cover figcaption{position:absolute;z-index:1;top:17px;left:18px;right:18px;color:#0a3851}
.pd-resource__cover figcaption small{display:block;margin-bottom:17px;font-size:12px;color:#0a3851;letter-spacing:.04em}
.pd-resource__cover figcaption strong{display:block;font-size:16px;line-height:1.14;text-transform:uppercase}
.pd-related-section{padding:14px 0 50px}
.pd-related{grid-template-columns:repeat(5,minmax(0,1fr));gap:17px}
.pd-related a{min-height:130px;display:grid;grid-template-columns:54px minmax(0,1fr);gap:14px;align-items:start;padding:20px 18px;border:1px solid #d7e5e7;border-radius:14px;text-decoration:none;color:#062f4a;background:#fff;box-shadow:0 10px 28px rgba(7,47,74,.035)}
.pd-related img{width:52px;height:52px;object-fit:contain;border-radius:10px}
.pd-related div{min-width:0;height:100%;display:flex;flex-direction:column}
.pd-related strong{font-size:14px;line-height:1.2}
.pd-related span{display:flex;align-items:center;justify-content:space-between;color:#183b53;font-size:12px;margin-top:auto;font-weight:600}
.pd-related span b{color:#008d89;font-size:16px}
@media(max-width:1000px){.pd-info-grid{grid-template-columns:1fr}.pd-info-grid>.pd-info-card,.pd-info-grid>.pd-resource{min-height:auto}.pd-info-grid>.pd-resource{grid-template-columns:minmax(0,1fr) 230px}.pd-related{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.pd-info-grid>.pd-resource{grid-template-columns:1fr}.pd-resource__cover{height:270px}.pd-related{grid-template-columns:1fr}}