:root {
  --green: #1b9c85; --green-hover: #116b58; --navy: #142b23; --ink: #46554f;
  --pale: #f2f7f3; --mint: #d4f3d7; --dark: #06140c; --white: #ffffff; --line: #d8e4dc; --focus: #dca82c;
  --site-width: 1500px; --site-gutter: clamp(20px, 4vw, 64px); --space-section: clamp(64px, 7vw, 104px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif; font-size: 17px; line-height: 1.85; -webkit-text-size-adjust: 100%; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .22em; }
h1, h2, h3 { margin: 0; color: var(--navy); font-weight: 700; line-height: 1.4; text-wrap: balance; overflow-wrap: anywhere; }
h1 { font-size: clamp(2.25rem, 3.6vw, 3.25rem); line-height: 1.3; letter-spacing: -.025em; }
h2 { font-size: clamp(1.85rem, 2.7vw, 2.6rem); letter-spacing: -.02em; }
h3 { font-size: 1.4rem; }
p { margin: 0 0 1.25em; text-wrap: pretty; }
figure { margin: 0; }
button { font: inherit; cursor: pointer; }
.site-shell { width: min(calc(100% - (var(--site-gutter) * 2)), var(--site-width)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 16px; background: var(--dark); color: var(--white); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.site-header { position: relative; z-index: 20; background: var(--white); border-bottom: 1px solid var(--line); }
.header-note { background: var(--pale); color: var(--green-hover); font-size: 12px; letter-spacing: .04em; }
.header-note .site-shell { min-height: 38px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.header-note a { display: inline-flex; align-items: center; min-height: 38px; text-decoration: none; }
.header-note a:hover { text-decoration: underline; }
.header-inner { min-height: 108px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand-lockup { flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding-block: 8px; }
.brand { width: 139px; display: block; }
.brand img { width: 139px; height: 76px; object-fit: contain; object-position: left center; }
.brand-lockup > span { color: var(--green-hover); font-size: 11px; white-space: nowrap; }
.primary-nav { display: flex; align-items: center; justify-content: flex-end; gap: clamp(16px, 2vw, 30px); font-size: 15px; font-weight: 600; }
.primary-nav a { min-height: 48px; display: inline-flex; align-items: center; text-decoration: none; white-space: nowrap; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--green-hover); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 8px; }
.primary-nav .nav-contact { gap: 12px; padding-inline: 20px; background: var(--green-hover); color: var(--white); }
.primary-nav .nav-contact:hover, .primary-nav .nav-contact[aria-current="page"] { color: var(--white); background: var(--navy); text-decoration: none; }
.nav-toggle { display: none; min-height: 44px; padding: 9px 16px; border: 1px solid var(--green-hover); background: var(--white); color: var(--green-hover); font-weight: 600; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 12px 24px; border: 1px solid transparent; font-size: 16px; font-weight: 600; text-decoration: none; transition: background .18s, color .18s; }
.button-primary { background: var(--green-hover); color: var(--white); }
.button-primary:hover { background: var(--navy); }
.button-outline { border-color: var(--green-hover); color: var(--green-hover); }
.button-outline:hover { background: var(--green-hover); color: var(--white); }
.button-light { background: var(--white); color: var(--navy); }
.button-light:hover { background: var(--mint); }
.text-link { display: inline-flex; min-height: 44px; align-items: center; gap: 16px; margin-top: 16px; color: var(--green-hover); font-size: 16px; font-weight: 600; text-decoration-thickness: 1px; text-underline-offset: 6px; }
.text-link:hover { color: var(--navy); }
.hero { background: var(--pale); }
.hero-layout { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); align-items: center; gap: clamp(32px, 5vw, 80px); padding-block: clamp(40px, 5vw, 72px); }
.hero-copy { padding-block: 16px; }
.hero-kicker { margin: 0 0 24px; color: var(--green-hover); font-size: 15px; font-weight: 600; letter-spacing: .08em; }
.hero h1 { margin-bottom: 28px; font-size: clamp(2.5rem, 4.35vw, 4.25rem); line-height: 1.35; letter-spacing: -.035em; }
.hero h1 span { color: var(--green-hover); }
.hero-description { max-width: 30em; margin-bottom: 28px; font-size: 18px; line-height: 1.95; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; }
.hero-actions .text-link { margin: 0; }
.hero-principles { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 36px 0 0; padding-top: 22px; border-top: 1px solid #ccded1; color: var(--green-hover); font-size: 13px; letter-spacing: .08em; }
.hero-scene { min-width: 0; }
.hero-scene > a { display: block; overflow: hidden; }
.hero-scene img { width: 100%; aspect-ratio: 6 / 5; object-fit: cover; object-position: center 55%; }
.hero-scene figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; margin-top: 14px; color: var(--green-hover); font-size: 12px; }
.hero-scene figcaption > span { letter-spacing: .08em; }
.hero-scene figcaption a { text-decoration: none; }
.hero-scene figcaption a:hover { text-decoration: underline; }
.work-paths, .activity-review, .about-home { padding-block: var(--space-section); }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 40px; }
.section-heading h2 { margin: 0; }
.section-heading > p { margin: 0; font-size: 16px; }
.section-heading .text-link { flex-shrink: 0; margin: 0; }
.section-intro { margin: 14px 0 0; color: var(--green-hover); font-size: 16px; }
.work-path-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 3vw, 48px); }
.work-path { min-width: 0; }
.work-path-image { display: block; overflow: hidden; background: var(--pale); }
.work-path-image img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.work-path-heading { display: flex; align-items: baseline; gap: 14px; margin: 24px 0 14px; }
.work-path-heading > span { color: var(--green-hover); font-size: 12px; font-variant-numeric: tabular-nums; }
.work-path-heading h3 { font-size: clamp(1.25rem, 1.8vw, 1.65rem); }
.work-path > p { margin-bottom: 12px; font-size: 16px; line-height: 1.85; }
.work-path > .text-link { margin-top: 0; }
.activity-review { background: var(--pale); }
.home-event-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.event-card { min-width: 0; border-bottom: 1px solid var(--line); }
.event-card > a { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.event-card > a:hover h3 { color: var(--green-hover); text-decoration: underline; text-underline-offset: 6px; }
.event-card-image { overflow: hidden; background: #e6ede7; }
.event-card-image img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .25s ease-out; }
.event-card a:hover .event-card-image img { transform: scale(1.02); }
.event-card-copy { display: flex; flex-direction: column; flex: 1; align-items: flex-start; padding: 24px 0 28px; }
.event-card-kind { margin-bottom: 12px; color: var(--green-hover); font-size: 12px; letter-spacing: .08em; }
.event-card-copy time { display: block; margin-bottom: 10px; color: var(--ink); font-size: 13px; }
.event-card-copy h3 { margin-bottom: 14px; font-size: clamp(1.35rem, 1.7vw, 1.65rem); line-height: 1.5; }
.event-card-copy p { margin: 0 0 20px; font-size: 15px; line-height: 1.85; }
.event-card-more { margin-top: auto; color: var(--green-hover); font-size: 14px; font-weight: 600; }
.event-card-more > span { margin-left: 8px; }
.event-card-document { padding: 24px; background: var(--pale); }
.event-record-label { display: flex; justify-content: space-between; margin: 0 0 32px; padding-bottom: 16px; border-bottom: 1px solid var(--line); color: var(--green-hover); font-size: 14px; }
.event-card-document .event-card-copy { padding: 0; }
.event-document-body { padding: 28px; margin: 0 0 32px; background: var(--pale); border: 1px solid var(--line); }
.about-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); align-items: center; gap: clamp(40px, 6vw, 96px); }
.about-image img { width: 100%; aspect-ratio: 5 / 4; object-fit: cover; }
.about-image figcaption { margin-top: 12px; font-size: 12px; }
.about-copy > .section-intro { margin-top: 0; }
.about-copy h2 { margin: 22px 0 28px; }
.about-copy p { font-size: 17px; }
.support-home { padding-block: 64px; background: var(--green-hover); color: var(--white); }
.support-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(40px, 8vw, 128px); }
.support-home h2 { color: var(--white); font-size: clamp(2rem, 3.1vw, 3rem); }
.support-copy { max-width: 32em; }
.support-copy p { margin-bottom: 24px; font-size: 18px; }
.page-main { min-height: 65vh; padding: 24px 0 var(--space-section); }
.page-article, .event-single-article { max-width: 1500px; }
.page-path { margin: 0 0 36px; color: var(--green-hover); font-size: 13px; line-height: 1.7; }
.page-path a { display: inline-flex; min-height: 44px; align-items: center; text-decoration: none; }
.page-path a:hover { text-decoration: underline; }
.page-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); align-items: end; gap: 48px; margin-bottom: 56px; padding-bottom: 36px; border-bottom: 1px solid var(--line); }
.page-heading > p { max-width: 30em; margin: 0; font-size: 19px; line-height: 1.85; }
.page-title-block { margin-bottom: 36px; }
.page-title-block h1 { margin: 0; }
.page-story-layout { max-width: 880px; }
.page-content { max-width: 44em; min-width: 0; overflow-wrap: anywhere; font-size: 19px; line-height: 1.95; }
.page-content h2 { margin: 48px 0 20px; font-size: 1.75rem; line-height: 1.5; }
.page-content h3 { margin: 32px 0 16px; font-size: 1.35rem; line-height: 1.5; }
.page-content > :first-child { margin-top: 0; }
.page-content p, .page-content ul, .page-content ol { margin: 0 0 24px; }
.page-content ul, .page-content ol { padding-left: 1.5em; }
.page-content li + li { margin-top: 8px; }
.page-content a { color: var(--green-hover); }
.page-content img { margin-block: 32px; height: auto; }
.page-content figure img { margin: 0; }
.page-content blockquote, .page-content .greenhk-callout { margin: 32px 0; padding: 24px 32px; background: var(--pale); border: 1px solid var(--line); }
.page-content blockquote p:last-child, .page-content .greenhk-callout p:last-child { margin-bottom: 0; }
.page-content table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; font-size: 17px; }
.page-content td, .page-content th { border: 1px solid var(--line); padding: 12px 16px; text-align: left; }
.page-content iframe, .page-content video { max-width: 100%; }
.page-story { max-width: 1240px; }
.page-story .page-path { margin-bottom: 24px; }
.page-story-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); background: #eef4ee; }
.page-story-intro { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; min-width: 0; padding: clamp(28px, 3.2vw, 48px); }
.page-story .page-heading { display: block; margin: 0 0 24px; padding: 0; border: 0; }
.page-story h1 { font-size: clamp(2.25rem, 3.6vw, 3.25rem); }
.page-story-summary { max-width: 32em; font-size: 17px; line-height: 1.9; overflow-wrap: anywhere; }
.page-story-summary p { margin: 0 0 20px; }
.page-story-summary p:last-child { margin-bottom: 0; }
.page-story-summary .lead { color: var(--green-hover); font-size: 21px; font-weight: 500; line-height: 1.7; }
.page-story-intro > .text-link { margin-top: 24px; font-size: 15px; }
.page-story-cover { display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.page-story-cover img, .page-story-evidence img { width: 100%; height: auto; object-fit: contain; }
.page-story-cover > a, .page-story-evidence figure > a { display: block; }
.page-story-cover figcaption { padding: 10px 20px; }
.page-story-cover figcaption, .page-story-evidence figcaption { color: var(--green-hover); font-size: 13px; line-height: 1.7; }
.page-story-cover figcaption a, .page-story-evidence figcaption a { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 28px; text-decoration: none; }
.page-story-cover figcaption a:hover, .page-story-evidence figcaption a:hover { text-decoration: underline; }
.page-story-cover figcaption span, .page-story-evidence figcaption span { flex-shrink: 0; }
.page-story-sections { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 48px; max-width: none; margin-top: 48px; }
.page-story-sections[hidden] { display: none; }
.page-story-section { min-width: 0; padding-top: 24px; border-top: 1px solid #b8cfc0; }
.page-story-section h2 { margin: 0 0 16px; font-size: 25px; }
.page-story-section p { font-size: 17px; line-height: 1.9; }
.page-story-section > :last-child { margin-bottom: 0; }
.page-story-go-green .page-story-sections, .page-story-support .page-story-sections { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.page-story-lower { display: grid; gap: 32px; margin-top: 48px; }
.page-story-lower.has-story-callout { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 48px; align-items: center; }
.page-story-callouts { max-width: none; }
.page-story-callouts .greenhk-callout { margin: 0; padding: 32px; background: #f4f3eb; border: 0; }
.page-story-callouts h2 { margin: 0 0 24px; font-size: 25px; }
.page-story-callouts ul { margin: 0; padding: 0; list-style: none; }
.page-story-callouts li { padding: 16px 0; border-top: 1px solid #d9dccd; font-size: 18px; }
.page-story-callouts li + li { margin: 0; }
.page-story-callouts li:last-child { padding-bottom: 0; }
.page-story-evidence { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 32px; }
.page-story-evidence figure:only-child { grid-column: 1 / -1; max-width: 600px; }
.page-story-evidence figcaption { padding-top: 12px; }
.page-story-support .page-story-lower { padding-top: 32px; border-top: 1px solid var(--line); }
.page-story-contact .page-story-callouts { width: 100%; margin-top: 24px; }
.page-story-contact .page-story-callouts .greenhk-callout { display: grid; grid-template-columns: 60px minmax(0, 1fr); align-items: center; gap: 12px 16px; padding: 20px 0 0; border-top: 1px solid #b8cfc0; background: transparent; font-size: 18px; }
.page-story-contact .page-story-callouts h2 { font-size: 18px; }
.page-story-contact .page-story-callouts h2, .page-story-contact .page-story-callouts p { margin: 0; }
.page-story-contact .page-story-callouts a, .page-story-support .page-story-section a { display: inline-flex; min-height: 44px; align-items: center; }
.archive-title-block { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; margin-bottom: 36px; }
.event-archive h1 { flex-shrink: 0; }
.event-archive-intro { max-width: 32em; margin: 0; font-size: 18px; line-height: 1.9; }
.archive-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 32px; padding-block: 18px; border-block: 1px solid var(--line); }
.archive-toolbar p { margin: 0; color: var(--green-hover); font-size: 14px; letter-spacing: .05em; }
.archive-toolbar .text-link { margin: 0; font-size: 14px; }
.event-archive-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px 32px; }
.event-archive-grid > .event-card:first-child:not(.event-card-document) { grid-column: 1 / -1; margin-bottom: 4px; padding-bottom: 36px; }
.event-archive-grid > .event-card:first-child:not(.event-card-document) > a { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); align-items: center; gap: clamp(32px, 5vw, 80px); }
.event-archive-grid > .event-card:first-child .event-card-copy { padding: 24px 0; }
.event-archive-grid > .event-card:first-child .event-card-copy h3 { font-size: clamp(1.8rem, 2.8vw, 2.75rem); }
.event-archive-grid > .event-card:first-child .event-card-copy p { max-width: 30em; font-size: 17px; }
.event-archive-grid > .event-card:first-child .event-card-more { margin-top: 20px; }
.navigation.pagination { margin-top: 54px; }
.nav-links { display: flex; flex-wrap: wrap; gap: 8px; }
.page-numbers { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--green-hover); color: var(--green-hover); text-decoration: none; }
.page-numbers.current { background: var(--green-hover); color: var(--white); }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; align-items: start; gap: 64px; }
.article-main { min-width: 0; }
.event-single-header { margin-bottom: 36px; }
.event-single-header time, .article-date { display: block; margin: 0 0 16px; color: var(--green-hover); font-size: 14px; }
.article-date { margin: 20px 0 0; }
.event-single-header h1 { margin-bottom: 24px; }
.event-single-header > p:not(.article-kicker) { max-width: 38em; margin: 0; font-size: 20px; line-height: 1.9; color: var(--ink); }
.article-kicker { margin: 0 0 12px; color: var(--green-hover); font-size: 13px; font-weight: 600; letter-spacing: .08em; }
.gallery-jump { display: inline-flex; align-items: center; gap: 20px; min-height: 44px; margin-top: 24px; color: var(--green-hover); font-size: 14px; text-decoration: none; }
.gallery-jump:hover { text-decoration: underline; }
.event-single-lead, .article-featured { margin: 0 0 36px; }
.event-single-lead.preserve-framing { max-width: 520px; margin-inline: auto; }
.event-single-lead img, .article-featured img { width: 100%; height: auto; object-fit: contain; }
.event-single-content { max-width: 44em; }
.event-gallery { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.gallery-heading { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px 24px; margin-bottom: 24px; }
.event-gallery h2 { font-size: 1.75rem; }
.gallery-heading > p { margin: 0; font-size: 13px; }
.event-gallery-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 24px; }
.event-gallery-grid figure { margin: 0; min-width: 0; }
.gallery-photo { display: block; }
.gallery-photo:hover { outline: 1px solid var(--green-hover); outline-offset: 4px; }
.event-gallery-grid img { width: 100%; height: auto; object-fit: contain; }
.content-sidebar { position: sticky; top: 32px; min-width: 0; padding-left: 24px; border-left: 1px solid var(--line); }
.recommendations > h2 { margin-bottom: 8px; padding-bottom: 18px; border-bottom: 1px solid var(--navy); font-size: 1.4rem; }
.recommendation-item { padding: 22px 0; border-bottom: 1px solid var(--line); }
.recommendation-link { display: grid; grid-template-columns: 96px minmax(0, 1fr); align-items: start; gap: 16px; text-decoration: none; }
.recommendation-image { overflow: hidden; background: var(--pale); }
.recommendation-image img { width: 100%; aspect-ratio: 4 / 3; height: auto; object-fit: cover; }
.recommendation-copy { min-width: 0; }
.recommendation-kind { display: block; margin-bottom: 5px; color: var(--green-hover); font-size: 12px; line-height: 1.5; }
.recommendation-copy h3 { margin: 0 0 8px; font-size: 16px; line-height: 1.6; text-wrap: pretty; }
.recommendation-link:hover h3 { color: var(--green-hover); text-decoration: underline; }
.recommendation-copy time { display: block; color: var(--ink); font-size: 12px; line-height: 1.65; }
.recommendation-text-only { grid-template-columns: 1fr; }
.recommendations > .text-link { margin-top: 12px; font-size: 14px; }
.sidebar-participate { margin-top: 36px; padding: 28px 24px; background: var(--green-hover); color: var(--white); }
.participate-mark { display: block; margin-bottom: 16px; color: var(--mint); font-size: 32px; line-height: 1; }
.sidebar-participate h2 { margin-bottom: 16px; color: var(--white); font-size: 1.6rem; line-height: 1.5; }
.sidebar-participate p { margin: 0 0 24px; font-size: 15px; line-height: 1.9; }
.sidebar-participate .button { width: 100%; padding-inline: 12px; border-color: var(--white); background: var(--white); color: var(--green-hover); font-size: 14px; }
.sidebar-participate .button:hover { background: var(--mint); }
.not-found { text-align: center; padding-block: 64px; }
.not-found p { margin-inline: auto; }
.photo-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.photo-grid figure { margin: 0; min-width: 0; }
.photo-grid img { width: 100%; height: auto; }
.site-footer { padding: 64px 0 24px; background: var(--dark); color: #c9d9ce; }
.footer-invitation { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-bottom: 48px; margin-bottom: 48px; border-bottom: 1px solid #34473b; }
.footer-invitation > p { margin: 0; color: var(--white); font-size: clamp(1.6rem, 2.5vw, 2.4rem); font-weight: 600; line-height: 1.6; }
.footer-main { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand > a { color: var(--white); font-size: 25px; font-weight: 700; text-decoration: none; }
.footer-brand > a span { margin-left: 12px; font-size: 12px; font-weight: 500; letter-spacing: .08em; }
.footer-brand p { max-width: 24em; margin: 16px 0 0; font-size: 15px; line-height: 1.9; }
.footer-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-content: start; gap: 8px 24px; font-size: 14px; }
.footer-links a, .footer-connect a { display: inline-flex; min-height: 44px; align-items: center; text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.site-footer .button:hover { color: var(--navy); text-decoration: none; }
.footer-connect { min-width: 0; font-size: 14px; }
.footer-connect p { margin: 0 0 8px; color: var(--white); font-weight: 600; }
.footer-connect a { display: flex; overflow-wrap: anywhere; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 24px; border-top: 1px solid #34473b; font-size: 12px; }
.footer-inner p { margin: 0; }
.footer-inner a { min-height: 44px; display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
body.photo-viewer-open { overflow: hidden; }
.photo-viewer { width: min(1440px, 100% - 32px); max-width: none; height: calc(100% - 32px); max-height: none; margin: auto; padding: 20px 24px; border: 1px solid #52665a; background: var(--dark); color: var(--white); }
.photo-viewer:not([open]) { display: none; }
.photo-viewer[open] { display: flex; flex-direction: column; gap: 16px; }
.photo-viewer::backdrop { background: rgba(6, 20, 12, .9); }
.photo-viewer-toolbar, .photo-viewer-bottom { display: flex; flex: 0 0 auto; align-items: center; justify-content: space-between; gap: 20px; font-size: 14px; }
.photo-viewer-count { font-variant-numeric: tabular-nums; }
.photo-viewer button { min-width: 48px; min-height: 48px; padding: 8px 14px; border: 1px solid #52665a; background: transparent; color: var(--white); }
.photo-viewer button:hover:not(:disabled) { background: #243c2e; }
.photo-viewer button:disabled { opacity: .3; cursor: default; }
.photo-viewer-close { display: inline-flex; align-items: center; gap: 20px; }
.photo-viewer-close > span { font-size: 25px; line-height: 1; }
.photo-viewer-stage { display: grid; grid-template-columns: 48px minmax(0, 1fr) 48px; flex: 1 1 auto; min-height: 0; align-items: center; gap: 20px; }
.photo-viewer-image { width: 100%; height: 100%; min-height: 0; object-fit: contain; }
.photo-viewer-bottom p { margin: 0; overflow-wrap: anywhere; }
.photo-viewer-original { display: inline-flex; align-items: center; flex-shrink: 0; min-height: 44px; color: var(--mint); }
@media (min-width: 1024px) and (max-height: 899px) {
  .content-sidebar { position: static; }
}
@media (max-width: 1200px) {
  .header-inner { min-height: 96px; flex-wrap: wrap; }
  .has-js .header-inner { flex-wrap: nowrap; }
  .has-js .nav-toggle { display: inline-flex; }
  .primary-nav { flex-basis: 100%; flex-wrap: wrap; justify-content: flex-start; gap: 4px 24px; padding-bottom: 20px; }
  .has-js .primary-nav { display: none; position: absolute; top: 100%; right: var(--site-gutter); left: var(--site-gutter); max-height: 70vh; max-height: 70dvh; overflow-y: auto; overscroll-behavior: contain; flex-direction: column; align-items: stretch; gap: 0; padding: 16px 24px; background: var(--white); border: 1px solid var(--line); font-size: 16px; }
  .has-js .primary-nav[data-open] { display: flex; }
  .has-js .primary-nav a { min-height: 52px; border-bottom: 1px solid var(--line); }
  .has-js .primary-nav .nav-contact { justify-content: center; margin-top: 12px; }
  .hero-layout { gap: 36px; }
  .hero h1 { font-size: clamp(2.4rem, 4.3vw, 3.4rem); }
  .hero-actions { gap: 12px 20px; }
  .article-layout { gap: 40px; grid-template-columns: minmax(0, 1fr) 288px; }
  .content-sidebar { padding-left: 20px; }
  .recommendation-link { grid-template-columns: 80px minmax(0, 1fr); gap: 12px; }
  .recommendation-text-only { grid-template-columns: 1fr; }
}
@media (max-width: 1023px) {
  .article-layout { grid-template-columns: 1fr; gap: 48px; }
  .content-sidebar { position: static; padding: 32px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .recommendation-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
  .recommendation-link { grid-template-columns: 96px minmax(0, 1fr); gap: 16px; }
  .recommendation-text-only { grid-template-columns: 1fr; }
  .sidebar-participate { max-width: 560px; }
  .page-story-hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .page-story-intro { padding: 28px; }
  .page-story-summary { font-size: 16px; }
  .page-story-summary .lead { font-size: 19px; }
  .page-story-lower.has-story-callout { gap: 32px; }
  .page-story-go-green .page-story-sections, .page-story-support .page-story-sections { gap: 24px; }
  .page-story-section h2 { font-size: 23px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .hero-layout { grid-template-columns: 1fr 1fr; gap: 28px; }
  .hero h1 { font-size: clamp(2.1rem, 4.3vw, 2.8rem); }
  .hero-description { font-size: 16px; }
  .hero-kicker { font-size: 13px; }
  .hero-principles { gap: 12px; font-size: 12px; }
  .hero-scene img { aspect-ratio: 4 / 5; }
  .work-path-heading { gap: 8px; }
  .work-path-heading h3 { font-size: 1.2rem; }
  .work-path-grid { gap: 24px; }
  .home-event-grid { gap: 24px; }
  .event-archive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .archive-title-block { align-items: flex-start; }
  .event-archive-intro { font-size: 16px; }
  .about-layout { gap: 36px; }
  .about-copy h2 { font-size: 1.85rem; }
  .page-heading { gap: 32px; }
}
@media (max-width: 760px) {
  .hero-layout { grid-template-columns: 1fr; gap: 32px; padding-block: 36px; }
  .hero h1 { font-size: clamp(2.4rem, 6vw, 3.25rem); }
  .hero-copy { padding-block: 0; }
  .hero-description { max-width: 36em; font-size: 17px; }
  .hero-principles { margin-top: 28px; font-size: 13px; gap: 24px; }
  .hero-scene img { aspect-ratio: 4 / 3; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 14px; margin-bottom: 28px; }
  .work-path-grid, .home-event-grid { grid-template-columns: 1fr; gap: 36px; }
  .work-path { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 0 24px; }
  .work-path-image { grid-row: 1 / 4; align-self: start; }
  .work-path-image img { aspect-ratio: 1 / 1; }
  .work-path-heading { margin-top: 0; }
  .work-path-heading h3 { font-size: 1.3rem; }
  .work-path .text-link { justify-self: start; }
  .home-event-grid .event-card > a { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: start; gap: 24px; }
  .home-event-grid .event-card-copy { padding-top: 0; }
  .home-event-grid .event-card-image img { aspect-ratio: 1 / 1; }
  .about-layout, .support-layout { grid-template-columns: 1fr; gap: 32px; }
  .about-copy h2 { font-size: 2rem; }
  .page-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 40px; }
  .page-heading > p { font-size: 18px; }
  .page-story-hero { grid-template-columns: 1fr; }
  .page-story-intro { padding: 32px; }
  .page-story h1 { font-size: 2.5rem; }
  .page-story-summary { max-width: none; font-size: 17px; }
  .page-story-summary .lead { font-size: 21px; }
  .page-story-cover figcaption { padding-inline: 24px; }
  .page-story-lower.has-story-callout { grid-template-columns: 1fr; gap: 32px; }
  .page-story-evidence figure:only-child { max-width: none; }
  .page-story-go-green .page-story-sections, .page-story-support .page-story-sections { grid-template-columns: 1fr; gap: 28px; }
  .archive-title-block { display: block; }
  .event-archive-intro { margin-top: 24px; font-size: 17px; }
  .event-archive-grid > .event-card:first-child:not(.event-card-document) > a { grid-template-columns: 1fr; gap: 0; }
  .event-archive-grid > .event-card:first-child .event-card-copy { padding-block: 24px 0; }
  .event-archive-grid > .event-card:first-child .event-card-more { margin-top: 0; }
  .footer-invitation { align-items: flex-start; flex-direction: column; gap: 24px; }
  .photo-viewer { width: calc(100% - 16px); height: calc(100% - 16px); padding: 12px; }
  .photo-viewer-stage { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) 44px; gap: 8px; }
  .photo-viewer-image { grid-column: 1; grid-row: 1; }
  .photo-viewer-prev, .photo-viewer-next { grid-column: 1; grid-row: 2; }
  .photo-viewer-prev { justify-self: start; }
  .photo-viewer-next { justify-self: end; }
  .photo-viewer button { min-width: 44px; min-height: 44px; padding: 8px; }
  .photo-viewer-bottom { align-items: flex-start; flex-direction: column; gap: 4px; font-size: 12px; }
}
@media (max-width: 600px) {
  :root { --site-gutter: 20px; --space-section: 56px; }
  body { font-size: 16px; }
  h1 { font-size: 2rem; line-height: 1.4; }
  h2 { font-size: 1.8rem; }
  .header-note .site-shell { gap: 12px; }
  .header-note { font-size: 11px; letter-spacing: 0; }
  .header-note a { min-height: 44px; }
  .header-inner { min-height: 94px; }
  .brand, .brand img { width: 112px; height: 62px; }
  .brand-lockup > span { font-size: 10px; }
  .hero-kicker { margin-bottom: 20px; }
  .hero h1 { font-size: clamp(2.1rem, 7.5vw, 2.7rem); margin-bottom: 24px; }
  .hero-description { font-size: 16px; }
  .hero-actions { gap: 12px 24px; }
  .hero-principles { gap: 16px; font-size: 12px; }
  .hero-scene figcaption { flex-direction: column; gap: 4px; }
  .work-path { display: block; }
  .work-path-image img { aspect-ratio: 3 / 2; }
  .work-path-heading { margin-top: 20px; gap: 12px; }
  .work-path-heading h3 { font-size: 1.5rem; }
  .home-event-grid .event-card > a { display: flex; gap: 0; }
  .home-event-grid .event-card-image img { aspect-ratio: 4 / 3; }
  .home-event-grid .event-card-copy { padding-top: 24px; }
  .event-archive-grid, .event-gallery-grid { grid-template-columns: 1fr; }
  .event-archive-grid { gap: 32px; }
  .event-card-copy h3 { font-size: 1.5rem; }
  .event-card-document { padding: 24px; }
  .event-document-body { padding: 24px; }
  .support-home { padding-block: 48px; }
  .support-copy p { font-size: 17px; }
  .page-main { padding-top: 16px; }
  .page-path { margin-bottom: 24px; font-size: 12px; }
  .page-heading { padding-bottom: 28px; }
  .page-content { font-size: 18px; line-height: 1.95; }
  .page-content h2 { font-size: 1.5rem; margin-top: 32px; }
  .page-content h3 { font-size: 1.25rem; }
  .page-content blockquote, .page-content .greenhk-callout { padding: 20px; }
  .event-single-header > p:not(.article-kicker) { font-size: 18px; }
  .event-gallery-grid { gap: 20px; }
  .article-layout { gap: 40px; }
  .recommendation-list { grid-template-columns: 1fr; }
  .recommendation-link { grid-template-columns: 104px minmax(0, 1fr); }
  .recommendation-text-only { grid-template-columns: 1fr; }
  .recommendation-copy h3 { font-size: 17px; }
  .content-sidebar { padding-top: 24px; }
  .archive-title-block { margin-bottom: 28px; }
  .archive-toolbar { align-items: flex-start; flex-direction: column; gap: 8px; padding-block: 14px; }
  .site-footer { padding-top: 40px; }
  .footer-invitation { padding-bottom: 32px; margin-bottom: 32px; }
  .footer-main { grid-template-columns: 1fr; margin-bottom: 32px; }
  .footer-brand { grid-column: auto; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 12px; }
  .page-story-intro { padding: 28px 24px; }
  .page-story h1 { font-size: 2.1rem; }
  .page-story .page-heading { margin-bottom: 20px; }
  .page-story-summary { font-size: 16px; }
  .page-story-summary .lead { font-size: 19px; }
  .page-story-intro > .text-link { margin-top: 20px; }
  .page-story-cover figcaption { padding: 10px 16px; font-size: 12px; }
  .page-story-sections { grid-template-columns: 1fr; gap: 28px; margin-top: 32px; }
  .page-story-section { padding-top: 20px; }
  .page-story-section h2 { margin-top: 0; font-size: 24px; }
  .page-story-section p { font-size: 16px; }
  .page-story-lower { margin-top: 32px; }
  .page-story-callouts .greenhk-callout { padding: 28px 24px; }
  .page-story-callouts h2 { margin: 0 0 20px; font-size: 24px; }
  .page-story-callouts li { font-size: 16px; }
  .page-story-evidence { grid-template-columns: 1fr; gap: 28px; }
  .page-story-contact .page-story-callouts .greenhk-callout { grid-template-columns: 1fr; gap: 8px; }
  .page-story-contact .page-story-callouts p + h2 { margin-top: 20px; }
  .photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}