@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;600;650;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--green:#086323;--dark:#043d21;--ink:#153b29;--lime:#bfdc38;--muted:#587365;--pale:#edf4ee;--line:#d9e6dc;--white:#fff;--radius:20px;font-family:'DM Sans',Arial,sans-serif;color:var(--ink);font-size:16px;background:#f7faf7;scroll-behavior:smooth;scroll-padding-top:100px}*{box-sizing:border-box}body{margin:0}h1,h2,h3,h4,p,figure{margin:0}h1,h2,h3{font-family:Manrope,'DM Sans',Arial,sans-serif}h1,h2{letter-spacing:-.045em}h1{font-size:clamp(2.75rem,5.1vw,4.7rem);line-height:1.09;font-weight:700}h2{font-size:clamp(2rem,3.5vw,3.25rem);line-height:1.14;font-weight:700}h3{font-size:1.35rem;line-height:1.35;letter-spacing:-.025em}p{line-height:1.7}a{color:inherit}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #9fbd20;outline-offset:5px}img{display:block;max-width:100%}button{color:inherit}::selection{background:var(--lime);color:var(--dark)}.wrap{width:min(1200px,calc(100% - 80px));margin:auto}.eyebrow{display:block;font-size:.8rem;letter-spacing:.15em;font-weight:700;text-transform:uppercase;margin-bottom:18px;color:var(--green)}.section{padding:104px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:60px;margin-bottom:42px}.section-head>p{max-width:390px;color:var(--muted)}.rule{height:1px;background:var(--line)}.muted{color:var(--muted)}.small{font-size:.875rem;line-height:1.6}.tag{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}.skip-link{position:fixed;top:-60px;left:20px;background:white;padding:12px;z-index:100}.skip-link:focus{top:10px}
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.intro{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.intro p{margin:0 0 20px;color:var(--muted)}.intro strong{color:var(--ink)}.brand-note{margin-top:29px;border-top:1px solid var(--line);padding-top:22px;display:flex;gap:20px;align-items:center}.brand-note>b{color:var(--green);font:800 3rem Manrope;letter-spacing:-.05em;flex-shrink:0}.brand-note p{font-size:.875rem;margin:0}.role-panel{background:linear-gradient(125deg,#e7f1e8,#fff 70%);border:1px solid white;border-radius:22px;padding:36px;margin-top:38px;box-shadow:0 16px 42px #164c2410}.role-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin:25px 0}.role-grid p{font-size:.9rem;color:var(--muted);margin-top:8px}.role-grid b{font-size:.95rem;color:var(--green)}.support-note{padding-top:20px;border-top:1px solid var(--line);font-size:.83rem;color:var(--muted)}
.loop-section{background:#edf4ee}.loop-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.photo-composition{display:grid;grid-template-columns:1.2fr 1fr;gap:12px;align-items:stretch}.photo-composition img{width:100%;height:260px;object-fit:cover;border-radius:16px}.photo-composition .wide{grid-column:1/-1;height:230px}.steps{counter-reset:step;display:grid;gap:0}.step{display:grid;grid-template-columns:46px 1fr;gap:16px;padding:21px 0;border-bottom:1px solid #cdded0}.step:before{counter-increment:step;content:'0' counter(step);font-size:.9rem;color:var(--green);border:1px solid #bdd6c0;border-radius:50%;width:36px;height:36px;display:grid;place-items:center}.step h3{font-size:1.14rem;margin-bottom:7px}.step p{font-size:.94rem;color:var(--muted)}.photo-caption{margin-top:12px;font-size:.8rem;color:var(--muted)}.implementation{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:42px}.implementation article{padding:26px 28px;border:1px solid #ccdece;border-radius:15px;background:#f7faf6}.implementation p{font-size:.92rem;color:var(--muted);margin:12px 0}.implementation time{font-size:.8rem;letter-spacing:.08em;color:var(--green)}
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.schools{background:var(--dark);color:white}.schools .eyebrow{color:#c2db76}.schools .section-head p{color:#c0d3c5}.school-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.video-card{border-radius:18px;overflow:hidden;background:#fff;color:var(--ink)}.video-poster{padding:0;border:0;width:100%;display:block;position:relative;background:#092d1a}.video-poster img{width:100%;height:305px;object-fit:cover}.video-poster:after{content:'▶';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:66px;height:66px;border-radius:50%;display:grid;place-items:center;background:#fffdf5ed;color:var(--green);font-size:1.35rem;padding-left:4px;box-shadow:0 3px 30px #0003}.video-poster:hover:after{background:var(--lime)}.video-duration{position:absolute;bottom:15px;right:16px;background:#092c20de;color:#fff;border-radius:5px;padding:5px 10px;font-size:.8rem}.school-copy{padding:28px}.school-copy h3{margin:12px 0}.school-copy p{color:var(--muted);font-size:.95rem}.school-copy .text-link{margin-top:18px}.school-extra{margin-top:22px}.school-extra summary{cursor:pointer;font-size:.9rem;color:#d2e2d3;padding:12px 0}.recording-links{display:flex;gap:20px;flex-wrap:wrap;margin-top:12px;font-size:.875rem}.recording-links a{color:#e1edcc}
.research{background:linear-gradient(160deg,#eff5ed 0%,#fff 80%)}.research-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:65px;align-items:start}.research-lead{font-size:1.08rem;color:var(--muted);margin:25px 0}.survey-stat{font:700 5rem/1 Manrope,Arial,sans-serif;color:var(--green);letter-spacing:-.06em;margin-top:28px}.survey-stat span{font-size:1.2rem;letter-spacing:0}.survey-desc{margin:15px 0 22px;max-width:380px}.chart{padding:32px;background:#fff;border:1px solid #d8e6d8;border-radius:20px;box-shadow:0 20px 50px #154f1910}.chart h3{font-size:1.1rem;margin-bottom:25px}.bar-row{margin:21px 0}.bar-label{display:flex;align-items:start;justify-content:space-between;gap:20px;font-size:.9rem;margin-bottom:8px}.bar-label span{max-width:290px}.bar-label b{white-space:nowrap;color:var(--green)}.bar-track{height:13px;border-radius:20px;background:#edf2ec;overflow:hidden}.bar-fill{height:100%;background:var(--green);border-radius:20px}.bar-fill.accent{background:#b0cb36}.chart-note{font-size:.78rem;color:var(--muted);line-height:1.6;margin-top:24px}.research-details{margin-top:40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.research-details summary{padding:20px 0;cursor:pointer;font-weight:600}.method-content{padding:0 0 25px}.method-content p{margin:14px 0;color:var(--muted);font-size:.94rem}.data-table{border-collapse:collapse;width:100%;font-size:.875rem;margin:20px 0;text-align:left}.data-table td,.data-table th{padding:12px;border-bottom:1px solid var(--line)}.data-table th{color:var(--green);background:#edf5ec}.table-scroll{overflow-x:auto}.finding-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:42px}.finding-grid article{border-top:3px solid #b4ce54;padding-top:24px}.finding-grid h3{font-size:1.17rem;margin-bottom:12px}.finding-grid p{font-size:.94rem;color:var(--muted)}.student-quote{padding:36px 0;margin:40px 0 0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 2fr;gap:50px}.student-quote blockquote{margin:0;font:500 1.55rem/1.5 Manrope,Arial,sans-serif;letter-spacing:-.025em}.student-quote figcaption{font-size:.82rem;color:var(--muted);margin-top:14px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:45px}.timeline article{border-top:2px solid var(--green);padding-top:22px}.timeline time{font-size:.8rem;color:var(--green);font-weight:700;letter-spacing:.08em}.timeline h3{font-size:1.1rem;margin:15px 0 10px}.timeline p{font-size:.9rem;color:var(--muted)}.journal{background:#eef4ec}.journal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.journal-card{display:flex;flex-direction:column;background:#fff;border-radius:16px;overflow:hidden;border:1px solid #d7e3d5}.journal-art{height:178px;object-fit:cover;width:100%;background:#f5f8f3}.journal-body{padding:23px;flex:1;display:flex;flex-direction:column}.journal-body h3{font-size:1.13rem;margin:12px 0}.journal-body p{font-size:.88rem;color:var(--muted);margin-bottom:22px}.journal-body button{margin-top:auto;align-self:start}.social-strip{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:25px;margin-top:35px}.social-links{display:flex;flex-wrap:wrap;gap:22px}.social-links a{text-decoration:none;font-size:.9rem;display:flex;gap:9px;align-items:center}.social-icon{font:700 .95rem Arial;width:25px;height:25px;border:1px solid #93b399;border-radius:5px;display:grid;place-items:center}.next-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px}.next-list{padding:0;list-style:none;margin:0}.next-list li{padding:22px 0;border-bottom:1px solid var(--line)}.next-list li:first-child{padding-top:0}.next-list b{display:block;color:var(--green);margin-bottom:8px}.next-list p{font-size:.94rem;color:var(--muted)}.closing-quote{font:600 1.5rem/1.5 Manrope,Arial,sans-serif;margin:28px 0;color:var(--green)}.footer{background:#062f1d;color:#d5e5d7;padding:50px 0 28px}.footer-top{display:flex;justify-content:space-between;gap:50px;align-items:start}.footer-brand{font:600 2rem Manrope;color:white;letter-spacing:-.05em}.footer-brand em{font-style:normal;color:var(--lime)}.footer p{max-width:430px;font-size:.88rem;margin-top:14px;color:#b9cfc0}.footer .social-links{flex-direction:column;gap:16px}.footer-bottom{display:flex;justify-content:space-between;gap:25px;margin-top:40px;padding-top:24px;border-top:1px solid #355a42;font-size:.8rem;color:#a9c5b2}.footer-bottom a{text-decoration:none}.modal{border:0;border-radius:16px;padding:0;width:min(1000px,calc(100vw - 30px));max-height:92dvh;background:#fff;color:var(--ink);box-shadow:0 20px 100px #0005}.modal::backdrop{background:#032312d9;backdrop-filter:blur(8px)}.modal-header{position:sticky;top:0;background:white;display:flex;align-items:center;justify-content:space-between;padding:18px 24px;z-index:1;border-bottom:1px solid var(--line)}.modal-header h3{font-size:1rem}.modal-close{border:1px solid var(--line);background:white;border-radius:50%;width:38px;height:38px;font-size:1.5rem}.modal-content{padding:20px}.modal video{display:block;width:100%;max-height:70dvh;background:#061b0d}.modal-content>img{max-height:none;height:auto;max-width:100%;margin:auto}.modal-caption{font-size:.85rem;color:var(--muted);padding:15px 0 0}.modal-image{max-width:800px}.modal-image .modal-content{background:#f4f6f4}.source-line{font-size:.78rem;color:var(--muted);margin-top:12px}
@media(min-width:1550px){.hero:before{background-position:center right;background-size:cover}}@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.nav-links{gap:17px}.nav-links a{font-size:.84rem}.nav-links .nav-end{padding-left:15px}.intro,.loop-grid,.research-layout,.next-layout{gap:38px}.journal-grid{grid-template-columns:repeat(2,1fr)}.metric{padding:0 18px}.field-card img{height:210px}.field-copy{padding:22px}.hero-inner{max-width:620px}.hero:before{background-position:60% center}.hero h1{max-width:580px}.video-poster img{height:255px}}@media(max-width:760px){.wrap{width:calc(100% - 36px)}.nav{height:70px}.brand img{width:137px}.menu-button{display:block}.nav-links{display:none;position:absolute;left:0;right:0;top:70px;background:white;padding:22px;box-shadow:0 12px 20px #173c1915}.nav-links.open{display:flex;flex-direction:column;align-items:stretch;gap:0}.nav-links a{padding:12px;font-size:1rem}.nav-links .nav-end{border:0;padding-left:12px}.section{padding:70px 0}.section-head{display:block;margin-bottom:30px}.section-head>p{margin-top:22px}.hero{min-height:650px}.hero:before{background-position:60% center;background-image:linear-gradient(90deg,rgba(0,67,23,.94),rgba(0,67,23,.68)),url('assets/hero-source.webp')}.hero-inner{padding:65px 0 90px}.hero h1{font-size:clamp(2.5rem,8.8vw,3.8rem);max-width:560px}.hero p{font-size:1rem}.hero-actions{gap:18px;flex-wrap:wrap}.hero-author{font-size:.8rem;gap:10px}.hero-bottom{display:none}.impact-strip{grid-template-columns:1fr 1fr;margin-top:-32px;padding:6px 0}.metric{padding:23px}.metric:nth-child(2){border:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.metric strong{font-size:2.2rem}.impact-note{text-align:left;font-size:.75rem}.intro,.loop-grid,.research-layout,.next-layout,.field-note{grid-template-columns:1fr;gap:33px}.role-panel{padding:27px;margin-top:30px}.role-grid{gap:20px}.field-grid{grid-template-columns:1fr}.field-card{display:grid;grid-template-columns:1fr 1.1fr}.field-card img{height:100%;min-height:270px}.field-copy{padding:22px}.field-copy h3{font-size:1.15rem}.field-copy p{font-size:.9rem}.school-grid{grid-template-columns:1fr;gap:25px}.video-poster img{height:auto;aspect-ratio:16/9}.implementation{grid-template-columns:1fr}.finding-grid{grid-template-columns:1fr;gap:26px}.student-quote{grid-template-columns:1fr;gap:22px}.student-quote blockquote{font-size:1.35rem}.timeline{grid-template-columns:1fr 1fr;gap:30px}.chart{padding:25px}.research-lead{margin-bottom:15px}.journal-grid{gap:15px}.journal-body{padding:20px}.journal-art{height:150px}.social-strip{align-items:start;flex-direction:column}.footer-top{flex-direction:column;gap:32px}.footer .social-links{gap:18px}.footer-bottom{flex-direction:column;gap:12px}.next-layout{gap:35px}.modal-header{padding:15px}.modal-content{padding:12px}.photo-composition img{height:220px}.photo-composition .wide{height:210px}}
@media(max-width:430px){.field-card{display:block}.field-card img{height:240px;min-height:0}.journal-grid{grid-template-columns:1fr}.journal-art{height:205px}.role-grid{grid-template-columns:1fr}.hero-author{align-items:start;flex-direction:column;gap:6px}.hero-author span+span{border:0;padding:0}.metric{padding:22px 17px}.timeline{grid-template-columns:1fr}.hero .btn{padding:13px 20px}.data-table{min-width:530px}.hero-actions{gap:22px}.photo-composition img{height:185px}}@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important}}

.brand-art{object-fit:contain;padding:30px;background:linear-gradient(130deg,#eaf3e7,#ffffff)}.gallery-extra{display:block;margin-top:16px;font-weight:500;color:var(--muted)}

.connections{background:#f0f5eb}.connections-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.connection-card{padding:36px;background:#fff;border:1px solid #d4e3cf;border-radius:20px}.connection-card h3{font-size:clamp(25px,2.4vw,34px);line-height:1.18;margin:20px 0}.connection-card>p{line-height:1.7}.research-metrics{display:flex;gap:28px;padding:24px 0;margin:22px 0;border-block:1px solid #dce6d7}.research-metrics b{display:block;font-size:36px;color:var(--green);line-height:1.2}.research-metrics span{display:block;font-size:12px;max-width:105px;line-height:1.5;margin-top:5px}.connection-link{margin-bottom:22px}.connection-link b{display:block;margin-bottom:7px;color:var(--green)}.prototype-note{display:grid;grid-template-columns:1fr 1.7fr;gap:50px;margin-top:44px;padding-top:36px;border-top:1px solid #c8d7bf}.prototype-note h3{font-size:27px;line-height:1.25;margin-top:14px}.prototype-note p+p{margin-top:12px}.field-note .text-link{display:inline-block;margin-top:16px}
@media(max-width:1050px){.nav-links{gap:15px;font-size:12px}}@media(max-width:760px){.connections-grid,.prototype-note{grid-template-columns:1fr}.connection-card{padding:26px}.prototype-note{gap:16px}.research-metrics{gap:20px}}

.hero-author{align-items:flex-start;flex-wrap:wrap;gap:14px 22px;line-height:1.55}.hero-author .author-name{font-weight:650}.author-school{border-left:1px solid #80ac79;padding-left:22px}.author-school address{font-style:normal;margin-top:5px;line-height:1.5;font-size:.8125rem;color:#dceadc}@media(max-width:430px){.hero-author .author-school{border-left:0;padding-left:0}}

.social-links .social-label{display:inline-flex;align-items:center;gap:8px;font-weight:600;line-height:1.6}
/* Hotel and customer correspondence */
.dialogue-jump{margin-top:20px}.dialogue-block{margin-top:76px;padding-top:52px;border-top:2px solid #b3cb89;scroll-margin-top:105px}.dialogue-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;align-items:start}.dialogue-card{background:#fff;border:1px solid #cbdccf;border-top:5px solid var(--green);border-radius:18px;padding:32px;min-width:0;box-shadow:0 14px 35px #0b452008}.dialogue-card-top{display:flex;align-items:start;justify-content:space-between;gap:16px;margin-bottom:20px;color:var(--green)}.dialogue-card-top .tag{font-size:.875rem;letter-spacing:.045em}.dialogue-period{font-size:.875rem;text-align:right;color:var(--muted)}.dialogue-card>h3{font-size:1.7rem;line-height:1.25;margin-bottom:12px}.dialogue-intro{color:var(--muted);margin-bottom:28px;font-size:1rem}.dialogue-steps{list-style:none;counter-reset:dialogue-step;padding:0;margin:0}.dialogue-steps>li{counter-increment:dialogue-step;position:relative;padding:0 0 24px 37px}.dialogue-steps>li:before{content:counter(dialogue-step);position:absolute;left:0;top:1px;font-size:.875rem;font-weight:700;color:var(--green);width:24px;height:24px;border:1px solid #c7d9bb;border-radius:50%;display:grid;place-items:center;background:#f1f6e9}.dialogue-steps b{display:block;font-size:1rem;margin-bottom:6px}.dialogue-steps p{font-size:1rem;color:var(--muted);line-height:1.6}.dialogue-highlight{padding:24px;margin:0 0 24px;background:#eef5e9;border-left:3px solid #a9c83a;border-radius:0 12px 12px 0}.mail-direction{display:block;font-size:.875rem;line-height:1.5;color:var(--green);font-weight:600}.dialogue-highlight blockquote{font:500 1.27rem/1.55 Manrope,Arial,sans-serif;margin:15px 0 12px;color:var(--dark);letter-spacing:-.015em}.dialogue-highlight figcaption{font-size:.875rem;line-height:1.5;color:var(--muted)}.correspondence{border-top:1px solid var(--line);scroll-margin-top:110px}.correspondence>summary{padding:20px 0 0;font-size:1rem;font-weight:600;cursor:pointer;color:var(--green);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:18px}.correspondence>summary::-webkit-details-marker{display:none}.correspondence>summary>span{font-size:1.5rem;line-height:1;transition:transform .15s}.correspondence[open]>summary>span{transform:rotate(45deg)}.correspondence-body{margin-top:24px}.mail-excerpt{border:1px solid #d7e2dc;border-radius:10px;margin:18px 0 0;overflow:hidden;padding:0 20px 22px;background:#fcfdfb;overflow-wrap:anywhere}.mail-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;background:#eef3ef;margin:0 -20px 20px;padding:14px 20px;font-size:.875rem;line-height:1.5}.mail-meta time{color:var(--muted)}.mail-excerpt h4{font-size:1rem;font-weight:600;margin:0 0 14px;line-height:1.5}.mail-excerpt blockquote{margin:0;font-size:1rem;line-height:1.8;color:#263c30}.mail-excerpt>p{font-size:1rem;line-height:1.7;margin-top:15px;color:var(--muted)}.mail-translation{border-top:1px solid var(--line);padding-top:15px}.mail-translation>b{display:block;font-size:.875rem;font-weight:600;color:var(--green);margin-bottom:6px}.mail-reply{border-left:3px solid #bacd8f;padding-left:16px;margin-top:22px}.mail-reply .mail-direction{margin-bottom:12px}@media(max-width:1050px){.dialogue-card{padding:25px}.dialogue-card-top{flex-direction:column;gap:7px}.dialogue-period{text-align:left}}@media(max-width:760px){.dialogue-block{margin-top:48px;padding-top:36px}.dialogue-grid{grid-template-columns:minmax(0,1fr);gap:25px}.dialogue-card{padding:25px 21px}.dialogue-highlight{padding:20px}.dialogue-card>h3{font-size:1.5rem}.dialogue-steps>li{padding-left:34px}.mail-excerpt{padding-left:16px;padding-right:16px}.mail-meta{margin-left:-16px;margin-right:-16px;padding-left:16px;padding-right:16px}}
/* Collection-site storage and transport */
.storage-story{margin-top:68px;padding-top:48px;border-top:2px solid #b3cb89;scroll-margin-top:105px}.storage-solutions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;margin-bottom:32px}.storage-solutions article{border-left:3px solid var(--lime);padding-left:24px;min-width:0}.solution-label{display:block;font-size:.875rem;letter-spacing:.08em;text-transform:uppercase;color:var(--green);font-weight:600;margin-bottom:12px}.storage-solutions h3{font-size:1.3rem;margin-bottom:12px}.storage-solutions p{font-size:1rem;color:var(--muted);margin-top:10px}.storage-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.storage-gallery figure{min-width:0;background:#fff;border:1px solid #d1dfd3;border-radius:14px;overflow:hidden}.project-photo{display:block;position:relative;width:100%;padding:0;border:0;background:#e3ebe4;text-align:left}.project-photo img{display:block;width:100%;height:auto}.photo-enlarge{position:absolute;right:10px;bottom:10px;border-radius:6px;padding:7px 10px;background:#063b27eb;color:#fff;font-size:.875rem;line-height:1.4}.project-photo:hover .photo-enlarge{background:#086323}.storage-gallery figcaption{padding:18px 20px;font-size:.875rem;line-height:1.65;color:var(--muted)}.storage-gallery figcaption>b{display:block;font-size:1rem;line-height:1.5;color:var(--ink);margin-bottom:5px}.process-detail{margin-top:18px;max-width:330px}.process-detail .project-photo{border-radius:10px;overflow:hidden}.process-detail figcaption{margin-top:9px;font-size:.875rem;line-height:1.5;color:var(--muted)}@media(max-width:1050px){.storage-gallery{gap:14px}.storage-gallery figcaption{padding:16px}.storage-solutions{gap:26px}}@media(max-width:760px){.storage-story{margin-top:45px;padding-top:35px}.storage-solutions{grid-template-columns:minmax(0,1fr);gap:28px}.storage-solutions article{padding-left:20px}.storage-gallery{grid-template-columns:minmax(0,1fr);gap:22px}.storage-gallery figcaption{padding:20px}.process-detail{max-width:380px}}