:root { --numeric-font: Arial, Helvetica, sans-serif; --page-title-size: clamp(3rem, 7vw, 6.4rem); --section-title-size: clamp(2rem, 4vw, 3.5rem); --body-copy-size: 1rem; --body-copy-leading: 1.75; font-family: Inter, "Noto Sans SC", system-ui, sans-serif; color: #233126; background: #f7f3e9; }
html[lang="zh-CN"] { font-family: "Noto Sans CJK SC", "Source Han Sans", "LXGW WenKai"; }
html[lang="zh-CN"] h1, html[lang="zh-CN"] h2, html[lang="zh-CN"] h3, html[lang="zh-CN"] blockquote { font-family: "Noto Serif CJK SC", "Source Han Serif", "Smiley Sans"; font-weight: 800; letter-spacing: .015em; }
* { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; min-height: 100vh; background: linear-gradient(180deg, #fbf6e8 0%, #edf3df 100%); color: #233126; transition: .25s ease; } body.dark { background: linear-gradient(180deg, #111810 0%, #26321f 100%); color: #f4efd8; } a { color: inherit; text-decoration: none; }
.numeric, .nav-year-menu a, .hero-card #heroProjectYear, .stats strong, .feature-facts strong, .home-timeline article > span, .year-card strong, .restoration-steps li::before { font-family: var(--numeric-font); font-style: normal; font-synthesis: none; font-variant-numeric: tabular-nums lining-nums; }
.app { min-height: 100vh; background: linear-gradient(180deg, #fbf6e8 0%, #edf3df 100%); color: #233126; transition: .25s ease; }
.app.dark { background: linear-gradient(180deg, #111810 0%, #26321f 100%); color: #f4efd8; }
.site-header { position: sticky; top: 0; z-index: 10; min-height: 94px; display: grid; grid-template-columns: auto minmax(520px, 1fr) auto; align-items: center; gap: clamp(24px, 4vw, 64px); padding: 14px clamp(18px, 4vw, 64px); background: color-mix(in srgb, #fbf6e8 92%, transparent); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(75, 94, 56, .16); }
.dark .site-header { background: color-mix(in srgb, #111810 84%, transparent); border-color: rgba(255,255,255,.12); }
.brand, .controls, nav { display: flex; align-items: center; gap: 14px; } .brand { font-weight: 900; font-size: 1.28rem; color: #5f7f2c; white-space: nowrap; } .brand > span { display: none; } .brand-logo { width: auto; height: 44px; aspect-ratio: auto; flex: 0 0 auto; object-fit: contain; border-radius: 0; background: transparent; transition: filter .25s ease; } .dark .brand-logo { filter: invert(1); } nav { display: grid; grid-template-columns: repeat(5, 1fr); width: 100%; gap: 8px; } nav > a, .nav-dropdown > a { display: flex; align-items: center; justify-content: center; padding: 13px 12px; border-radius: 14px; font-size: 1.03rem; font-weight: 800; text-align: center; white-space: nowrap; opacity: .76; transition: .2s ease; } nav > a:hover, .nav-dropdown > a:hover { opacity: 1; color: #8a5a15; background: rgba(119,145,69,.1); } nav > a.active, .nav-dropdown > a.active { opacity: 1; color: #5f7f2c; background: rgba(119,145,69,.16); }
.nav-dropdown { position: relative; min-width: 0; }
.nav-dropdown > a { border: 1px solid transparent; }
.nav-dropdown > a.active { border-color: rgba(95,127,44,.2); box-shadow: inset 0 0 0 1px rgba(255,255,255,.18); }
.nav-chevron { width: 8px; height: 8px; margin: -4px 0 0 9px; display: inline-block; flex: 0 0 auto; overflow: hidden; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; color: #12ad76; font-size: 0; line-height: 0; transform: rotate(45deg); transform-origin: center; transition: transform .2s ease; }
.nav-dropdown:hover .nav-chevron, .nav-dropdown:focus-within .nav-chevron, .nav-dropdown.open .nav-chevron { transform: translateY(4px) rotate(225deg); }
.nav-year-menu { position: absolute; top: calc(100% + 10px); left: 50%; z-index: 20; display: grid; width: min(300px, 82vw); max-height: min(620px, calc(100vh - 110px)); padding: 12px 0; overflow-y: auto; border: 1px solid rgba(105,123,67,.15); border-radius: 20px; background: rgba(255,255,255,.97); box-shadow: 0 24px 70px rgba(32,42,19,.2); opacity: 0; visibility: hidden; transform: translate(-50%, -8px); transition: opacity .18s ease, transform .18s ease, visibility .18s ease; }
.dark .nav-year-menu { background: rgba(24,32,20,.98); border-color: rgba(255,255,255,.14); }
.nav-dropdown:hover .nav-year-menu, .nav-dropdown:focus-within .nav-year-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav-dropdown.open .nav-year-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav-year-menu a { padding: 11px 20px; color: inherit; font-size: 1rem; font-weight: 700; text-align: left; opacity: 1; }
.nav-year-menu .year-menu-link { display: grid; grid-template-columns: 56px minmax(0, 1fr); align-items: baseline; gap: 12px; }
.nav-year-menu .year-menu-link .numeric { color: #6f8f2f; font-size: 1.08rem; font-weight: 800; }
.dark .nav-year-menu .year-menu-link .numeric { color: #b6cf72; }
.nav-year-menu a:hover, .nav-year-menu a:focus-visible { color: #12ad76; background: rgba(18,173,118,.07); outline: none; }
.events-archive-hero { padding-bottom: 52px; }
.events-archive-hero > p:last-child { max-width: 720px; }
.events-archive-section { padding-top: 0; }
.events-archive-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
.events-year-card { position: relative; min-height: 0; aspect-ratio: 1 / 1; overflow: hidden; border-radius: 24px; background: #26321f; box-shadow: 0 18px 48px rgba(42,53,27,.14); isolation: isolate; }
.events-year-card img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; transition: transform .5s ease; }
.events-year-card::after { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(15,23,13,.04) 28%, rgba(15,23,13,.82) 100%); }
.events-year-overlay { position: absolute; inset: auto 0 0; z-index: 2; display: grid; gap: 5px; padding: 28px 24px; color: white; }
.events-year-overlay strong { font-size: clamp(2rem, 3vw, 3.3rem); line-height: 1; }
.events-year-overlay > span { font-size: 1.08rem; font-weight: 800; }
.events-year-overlay em { margin-top: 8px; font-size: .78rem; font-style: normal; font-weight: 800; letter-spacing: .04em; opacity: .78; text-transform: uppercase; }
.events-year-card:hover img, .events-year-card:focus-visible img { transform: scale(1.045); }
.events-year-card:focus-visible { outline: 3px solid #12ad76; outline-offset: 4px; }
button, .primary, .secondary { border: 0; border-radius: 999px; padding: 10px 16px; font-weight: 800; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; }
#langToggle, #yearLang { white-space: nowrap; font-family: var(--numeric-font); letter-spacing: .02em; }
button, .secondary { background: rgba(119, 145, 69, .16); color: inherit; } .primary { color: white; background: #6f8f2f; box-shadow: 0 12px 30px rgba(91, 116, 48, .25); }
.section { padding: 82px clamp(18px, 6vw, 92px); } .hero { position: relative; isolation: isolate; min-height: 72vh; display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(380px, .82fr); align-items: center; gap: clamp(42px, 6vw, 92px); overflow: hidden; background: #26321f; color: white; }
.hero-no-project-card { grid-template-columns: minmax(0, 820px); }
.hero::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(12,24,10,.68) 0%, rgba(12,24,10,.38) 52%, rgba(12,24,10,.3) 100%); pointer-events: none; }
.hero-slideshow { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-slideshow a, .hero-slideshow img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-slideshow a { display: block; opacity: 0; transform: scale(1.035); transition: opacity 1.1s ease, transform 6s ease; }
.hero-slideshow a.is-active { opacity: 1; transform: scale(1.07); }
.hero-slideshow img { object-fit: cover; object-position: center; }
.hero-content, .hero-card { position: relative; z-index: 2; }
.hero-content { min-height: 410px; display: grid; grid-template-rows: auto minmax(128px, auto) minmax(82px, auto) auto; align-content: center; }
.hero-content .eyebrow { align-self: end; margin: 0 0 10px; }
.hero-content .hero-actions { align-self: start; }
.hero-slide-indicator { position: absolute; z-index: 3; left: clamp(18px, 6vw, 92px); bottom: 26px; display: flex; gap: 8px; }
.hero-slide-indicator i { width: 28px; height: 3px; border-radius: 999px; background: rgba(255,255,255,.38); overflow: hidden; }
.hero-slide-indicator i.active { background: white; }
.home-slide-panel { position: absolute; z-index: 3; left: clamp(18px, 6vw, 92px); bottom: 28px; width: 164px; }
.home-slide-meta { display: block; padding: 18px 20px; color: white; text-decoration: none; border: 1px solid rgba(255,255,255,.46); background: rgba(11,23,9,.57); backdrop-filter: blur(10px); transition: background .2s ease, transform .2s ease; }
.home-slide-meta:hover { color: white; background: rgba(11,23,9,.77); transform: translateY(-3px); }.home-slide-meta .numeric { display: block; color: #dbeaa7; font-size: 1rem; font-weight: 800; letter-spacing: .08em; }.home-slide-meta strong { display: block; margin: 3px 0; font-size: 1.4rem; }.home-slide-meta > span:not(.numeric) { display: block; font-size: .84rem; font-weight: 700; opacity: .9; }.home-slide-meta p { margin: 8px 0; font-size: .86rem; line-height: 1.45; }.home-slide-meta em { color: #dbeaa7; font-size: .78rem; font-style: normal; font-weight: 800; letter-spacing: .04em; }
.home-slide-controls { display: grid; grid-template-columns: 44px 1fr 44px; align-items: center; border: 1px solid rgba(255,255,255,.34); border-top: 0; background: rgba(8,17,7,.67); backdrop-filter: blur(10px); }
.home-slide-controls button { min-height: 42px; padding: 0; border-radius: 0; color: white; background: transparent; font-size: 1.2rem; line-height: 1; transition: background .2s ease; }
.home-slide-controls button:hover, .home-slide-controls button:focus-visible { background: rgba(219,234,167,.18); outline: 0; }
.home-slide-controls button:first-child { border-right: 1px solid rgba(255,255,255,.22); }.home-slide-controls button:last-child { border-left: 1px solid rgba(255,255,255,.22); }
.home-slide-controls span { color: rgba(255,255,255,.82); font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-align: center; }
@media (prefers-reduced-motion: reduce) { .hero-slideshow a { transition: none; } }
.page-hero { min-height: 46vh; display: flex; flex-direction: column; justify-content: end; color: white; background: linear-gradient(120deg, rgba(25,42,18,.88), rgba(101,119,53,.64)), url('media/home-slide-3.jpg') center/cover; }
body[data-page="events"] .page-hero { background-image: linear-gradient(120deg, rgba(25,42,18,.84), rgba(76,91,42,.48)), url('media/year-stories/2024-archive-1.jpg'); }
body[data-page="exhibition"] .page-hero { background-image: linear-gradient(120deg, rgba(22,29,20,.82), rgba(73,66,45,.42)), url('media/year-stories/2024-archive-3.jpg'); }
body[data-page="about"] .page-hero { background-image: linear-gradient(120deg, rgba(25,42,18,.84), rgba(88,76,42,.44)), url('media/year-stories/2023-archive-1.jpg'); }
body[data-page="about"] .page-hero { height: 600px; min-height: 600px; }
.page-hero h1 { max-width: 900px; margin: 8px 0 18px; font-size: var(--page-title-size); line-height: 1; }
.page-hero > p:last-child { width: min(760px, 100%); min-height: 3.5em; font-size: 1.15rem; line-height: 1.75; }
.exhibition-hero { min-height: 68vh; }
.about-detail, #exhibitionStory { font-size: var(--body-copy-size); }
.about-detail h2, #exhibitionStory h2 { font-size: var(--section-title-size); line-height: 1.12; }
.about-detail h3, #exhibitionStory h3 { line-height: 1.35; }
.about-detail p, .about-detail blockquote, #exhibitionStory p { line-height: var(--body-copy-leading); }
body[data-page="about"] main, body[data-page="exhibition"] main { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body[data-page="about"] .page-hero h1, body[data-page="exhibition"] .page-hero h1 { font-size: clamp(2.45rem, 4.8vw, 4.4rem); line-height: 1.08; }
body[data-page="about"] .page-hero > p:last-child, body[data-page="exhibition"] .page-hero > p:last-child { font-size: .94rem; line-height: 1.68; }
body[data-page="about"] .about-detail p, body[data-page="about"] .about-detail blockquote,
body[data-page="exhibition"] #exhibitionStory p { font-size: .94rem; line-height: 1.7; }
body[data-page="about"] .about-detail h2, body[data-page="exhibition"] #exhibitionStory h2 { font-size: clamp(1.65rem, 2.8vw, 2.5rem); line-height: 1.15; }
body[data-page="about"] .about-detail h3, body[data-page="exhibition"] #exhibitionStory h3 { font-size: 1.02rem; line-height: 1.4; }
html[lang="en"] body[data-page="about"] main, html[lang="en"] body[data-page="exhibition"] main { font-size-adjust: .52; }
html[lang="zh-CN"] body[data-page="about"] .page-hero h1, html[lang="zh-CN"] body[data-page="exhibition"] .page-hero h1 { font-size: clamp(2.34rem, 4.58vw, 4.2rem); }
html[lang="zh-CN"] body[data-page="about"] .about-detail h2, html[lang="zh-CN"] body[data-page="exhibition"] #exhibitionStory h2 { font-size: clamp(1.58rem, 2.68vw, 2.4rem); }
html[lang="zh-CN"] body[data-page="about"] .page-hero > p:last-child, html[lang="zh-CN"] body[data-page="exhibition"] .page-hero > p:last-child,
html[lang="zh-CN"] body[data-page="about"] .about-detail p, html[lang="zh-CN"] body[data-page="about"] .about-detail blockquote,
html[lang="zh-CN"] body[data-page="exhibition"] #exhibitionStory p { font-size: .91rem; }
.exhibition-intro, .behind-scenes, .curatorial-section, .exhibition-chapter { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(40px, 7vw, 110px); align-items: center; }
.exhibition-opening { font-size: 1.16rem; line-height: 1.95; }
.exhibition-author { margin-top: 24px; font-weight: 900; }
.exhibition-placeholder { min-height: 420px; padding: 30px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; border: 2px dashed rgba(105,123,67,.3); border-radius: 32px; color: #6f8f2f; background: linear-gradient(145deg, rgba(111,143,47,.1), rgba(219,168,61,.1)); text-align: center; }
.exhibition-placeholder.video { aspect-ratio: 16/9; min-height: 0; }
.exhibition-placeholder span { font-size: 2.3rem; }
.exhibition-placeholder strong { max-width: 300px; }
.behind-scenes { background: #203319; color: #f8f2dc; }
.exhibition-video-frame { overflow: hidden; border-radius: 30px; background: #0c120a; box-shadow: 0 26px 70px rgba(0,0,0,.28); }
.exhibition-video { width: 100%; aspect-ratio: 16/9; display: block; object-fit: contain; background: #080b07; }
.curatorial-section { align-items: start; background: rgba(117,142,55,.09); }
.curatorial-heading { position: sticky; top: 130px; }
.curatorial-heading > span { font-weight: 800; opacity: .65; }
.editorial-copy p, .definition-body p, .chapter-copy p { font-size: 1.05rem; line-height: 1.9; }
.definition-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 50px 90px; }
.definition-header { padding: 30px; border-radius: 28px; background: #dba83d; color: #1c2918; }
.definition-header > span { font-weight: 900; }
.definition-body h3 { font-size: 1.7rem; }
.exhibition-quotes { grid-column: 1/-1; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.exhibition-quotes blockquote { margin: 0; font-size: clamp(1.25rem, 2vw, 1.7rem); line-height: 1.5; }
.exhibition-chapter:nth-child(even) { background: rgba(117,142,55,.09); }
.exhibition-chapter:nth-child(even) .chapter-photo { order: 2; }
.chapter-copy h2 { max-width: 700px; }
.exhibition-media-bank { background: #ece6d5; color: #233126; }
.placeholder-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 34px; }
.placeholder-grid .exhibition-placeholder { min-height: 300px; }
.archive-section { padding-top: 56px; }
.about-detail { min-height: 35vh; display: grid; grid-template-columns: minmax(0, .9fr) minmax(380px, 1.1fr); align-items: start; gap: clamp(36px, 6vw, 90px); }
.about-story { display: grid; gap: 24px; }
.about-story { min-height: 794px; align-content: start; }
.about-principles { display: grid; gap: 14px; }
.about-principles article { padding: 20px 22px; border: 1px solid rgba(105,123,67,.14); border-radius: 20px; background: rgba(255,255,255,.48); }
.dark .about-principles article { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); }
.about-principles h3 { min-height: 1.35em; margin: 0 0 4px; font-size: 1.12rem; }
.about-principles p { min-height: 4.95em; margin: 0; font-size: .94rem; line-height: 1.65; }
.about-qna { position: sticky; top: 118px; padding: clamp(26px, 4vw, 42px); border: 1px solid rgba(105,123,67,.18); border-radius: 30px; background: rgba(255,255,255,.72); box-shadow: 0 24px 80px rgba(48,65,28,.12); }
.about-qna { min-height: 838px; }
.dark .about-qna { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.13); }
.about-qna h2 { max-width: 680px; margin: 8px 0 14px; font-size: clamp(1.8rem, 3vw, 2.7rem); }
.qna-intro { margin: 0 0 28px; opacity: .72; }
.qna-list { display: grid; border-top: 1px solid rgba(105,123,67,.18); }
.qna-list details { border-bottom: 1px solid rgba(105,123,67,.18); }
.dark .qna-list, .dark .qna-list details { border-color: rgba(255,255,255,.13); }
.qna-list summary { padding: 20px 0; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 18px; cursor: pointer; font-weight: 850; list-style: none; }
.qna-list summary::-webkit-details-marker { display: none; }
.qna-list summary span { color: #6f8f2f; font-family: var(--numeric-font); font-size: 1.35rem; transition: transform .2s ease; }
.qna-list details[open] summary span { transform: rotate(45deg); }
.qna-list details p { margin: -4px 36px 20px 0; font-size: .95rem; opacity: .78; }
.qna-future { margin: 24px 0 0; padding: 14px 16px; border-radius: 14px; background: rgba(111,143,47,.09); font-size: .82rem; font-weight: 750; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.hero h1 { align-self: center; max-width: 900px; margin: 0; font-size: clamp(2.2rem, 3.6vw, 3rem); line-height: 1.06; letter-spacing: -.025em; text-wrap: balance; } .hero p { max-width: 700px; margin: 0; font-size: 1rem; line-height: 1.65; } .eyebrow { color: #dba83d; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; } .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
html[lang="en"] .hero-content { font-size-adjust: .52; }
html[lang="zh-CN"] .hero h1 { font-size: clamp(2.05rem, 3.3vw, 2.65rem); line-height: 1.12; letter-spacing: .025em; }
.hero-card { position: relative; isolation: isolate; justify-self: end; width: min(410px, 100%); aspect-ratio: .92; overflow: hidden; border-radius: 40px; padding: 36px; display: grid; grid-template-rows: 1fr auto; align-content: end; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.46); backdrop-filter: blur(10px); box-shadow: 0 30px 90px rgba(0,0,0,.3); transition: background-image .3s ease; } .hero-card::before { content: ""; position: absolute; inset: 0; z-index: -2; background: var(--project-image) center/cover no-repeat; transform: scale(1.015); transition: background-image .3s ease, transform .5s ease; } .hero-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(14,25,10,.06) 5%, rgba(14,25,10,.2) 42%, rgba(9,17,7,.92) 100%); } .hero-card:hover::before { transform: scale(1.055); } .hero-card span { display: block; color: #fff; font-size: clamp(3.25rem, 4.4vw, 4.15rem); font-weight: 850; line-height: .95; letter-spacing: -.045em; text-shadow: 0 2px 18px rgba(0,0,0,.42); } .hero-card strong { display: block; min-height: 2.35em; margin-top: 14px; color: #fff; font-size: clamp(1.7rem, 2.25vw, 2.05rem); line-height: 1.16; text-shadow: 0 2px 18px rgba(0,0,0,.55); } .hero-card p { margin: 7px 0 0; color: #fff; font-size: .98rem; opacity: .92; text-shadow: 0 2px 12px rgba(0,0,0,.6); }
.hero-project-link { display: grid; align-content: end; min-height: 0; }
.hero-project-controls { display: grid; grid-template-columns: 42px 1fr 42px; align-items: center; gap: 12px; margin-top: 28px; }
.hero-project-controls button { width: 42px; height: 42px; padding: 0; justify-content: center; color: white; background: rgba(9,17,7,.52); border: 1px solid rgba(255,255,255,.22); backdrop-filter: blur(8px); }
.project-position { display: flex; justify-content: center; gap: 4px; }
.project-position i { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,.35); }
.project-position i.active { width: 16px; border-radius: 999px; background: white; }
.featured-projects { display: grid; }
.home-feature { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr); align-items: stretch; gap: clamp(36px, 6vw, 86px); }
.home-feature:nth-child(even) { grid-template-columns: minmax(320px, .92fr) minmax(0, 1.08fr); background: rgba(117,142,55,.08); }
.home-feature:nth-child(even) .feature-image { order: 2; }
.home-feature .feature-copy h2 { max-width: 720px; text-wrap: balance; }
.feature-image { min-height: 580px; border-radius: 36px; background: linear-gradient(rgba(25,40,15,.08), rgba(25,40,15,.2)), url('media/home-slide-2.jpg') center/cover; box-shadow: 0 28px 80px rgba(64,79,36,.18); }
.feature-copy { align-self: center; }
.feature-copy > p { font-size: 1.08rem; }
.feature-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 30px 0; }
.feature-facts div { padding: 18px 12px; border-left: 2px solid #dba83d; display: grid; gap: 4px; }
.feature-facts strong { color: #6f8f2f; font-size: 1.45rem; }
.feature-facts span { font-size: .88rem; opacity: .72; }
.journey-section { background: rgba(117,142,55,.1); }
.home-timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 38px; }
.home-timeline article { position: relative; min-height: 270px; padding: 28px; display: flex; flex-direction: column; justify-content: space-between; border-radius: 28px; background: rgba(255,255,255,.68); border: 1px solid rgba(105,123,67,.14); }
.dark .home-timeline article { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.12); }
.home-timeline article > span { color: #d08b19; font-size: 2.4rem; font-weight: 950; }
.activity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.activity-grid .card { min-height: 210px; }
.restoration-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(38px, 7vw, 100px); background: linear-gradient(120deg, rgba(84,111,39,.17), rgba(196,135,35,.12)); }
.restoration-steps { margin: 0; padding: 0; list-style: none; counter-reset: restoration; display: grid; gap: 14px; }
.restoration-steps li { counter-increment: restoration; display: grid; grid-template-columns: 52px 1fr; align-items: center; min-height: 72px; padding: 14px 20px; border-radius: 20px; background: rgba(255,255,255,.55); font-weight: 750; }
.dark .restoration-steps li { background: rgba(255,255,255,.08); }
.restoration-steps li::before { content: counter(restoration, decimal-leading-zero); color: #6f8f2f; font-size: 1.2rem; font-weight: 950; }
.home-cta { text-align: center; display: grid; justify-items: center; background: #203319; color: #f8f2dc; }
.home-cta h2 { max-width: 850px; }
.home-cta > p:not(.eyebrow) { max-width: 680px; }
.home-cta .secondary { color: #f8f2dc; background: rgba(255,255,255,.12); }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 40px clamp(18px, 6vw, 92px) 0; }
.stats div { min-width: 0; min-height: 148px; padding: 24px; display: grid; grid-template-rows: auto 1fr; align-content: start; gap: 12px; border: 1px solid rgba(105,123,67,.15); border-radius: 24px; background: rgba(255,255,255,.72); box-shadow: 0 14px 42px rgba(64,79,36,.07); }
.dark .stats div { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.12); }
.stats strong { display: block; color: #7a942f; font-size: clamp(1.9rem, 3vw, 2.45rem); line-height: 1; font-variant-numeric: tabular-nums; }
.stats span { display: block; align-self: start; line-height: 1.45; font-weight: 700; overflow-wrap: anywhere; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); margin: 0 0 18px; } h3 { margin: 10px 0; } p { line-height: 1.75; } .grid { display: grid; gap: 20px; } .four { grid-template-columns: repeat(4, minmax(0, 1fr)); } .card, .project, .timeline article, figure { background: rgba(255,255,255,.68); border: 1px solid rgba(105,123,67,.15); border-radius: 26px; padding: 24px; box-shadow: 0 18px 60px rgba(64,79,36,.08); } .dark .card, .dark .project, .dark .timeline article, .dark figure { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.12); } .card svg { color: #7a942f; }
.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 46px; } .timeline { display: grid; gap: 16px; } .timeline article { position: relative; padding-left: 86px; } .timeline span { position: absolute; left: 24px; top: 24px; font-weight: 950; color: #d08b19; }
.project { min-height: 190px; background: linear-gradient(145deg, rgba(111,143,47,.18), rgba(219,168,61,.18)); }
.section-intro { max-width: 760px; margin-bottom: 34px; }
.year-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.year-card { min-height: 170px; padding: 24px; border-radius: 26px; display: flex; flex-direction: column; justify-content: space-between; background: linear-gradient(145deg, rgba(111,143,47,.18), rgba(219,168,61,.18)); border: 1px solid rgba(105,123,67,.15); transition: transform .2s ease, box-shadow .2s ease; }
.year-card:hover { transform: translateY(-4px); box-shadow: 0 18px 50px rgba(64,79,36,.14); }
.year-card strong { font-size: 2rem; color: #6f8f2f; }
.year-card span { font-weight: 800; opacity: .72; }
.dark .year-card { border-color: rgba(255,255,255,.12); }
.blank-page { min-height: 70vh; padding-top: 120px; }
.blank-page .back-link { display: inline-flex; margin-bottom: 36px; font-weight: 800; color: #6f8f2f; }
.blank-canvas { min-height: 360px; margin-top: 36px; border: 1px dashed rgba(105,123,67,.35); border-radius: 28px; }
.year-feature-media { margin-top: 42px; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .55fr); align-items: center; gap: clamp(28px, 5vw, 70px); }
.year-feature-media[hidden] { display: none; }
.year-video-frame { overflow: hidden; border-radius: 30px; background: #0b0f09; box-shadow: 0 24px 70px rgba(32,42,19,.2); }
.year-video-frame video { width: 100%; aspect-ratio: 16/9; border-radius: 0; object-fit: contain; background: #080b07; }
.year-video-copy h2 { margin-top: 8px; }
.year-video-copy > p:last-child { max-width: 480px; }
.year-story { margin-top: clamp(72px, 10vw, 132px); }
.year-story-header { max-width: 860px; margin-bottom: clamp(38px, 6vw, 72px); }
.year-story-header h2 { max-width: 780px; }
.year-story-header > p:last-child { max-width: 760px; font-size: 1.08rem; }
.year-story-feature { display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(280px, .72fr); gap: clamp(28px, 5vw, 68px); align-items: center; }
.year-story-feature figure, .year-story-gallery figure { padding: 0; overflow: hidden; }
.year-story-feature img { aspect-ratio: 16/10; border-radius: 0; }
.year-story-feature figcaption, .year-story-gallery figcaption { min-height: 58px; padding: 16px 18px; }
.year-story-feature h3 { margin: 10px 0 18px; font-size: clamp(1.55rem, 2.8vw, 2.35rem); line-height: 1.18; }
.year-story-feature p:last-child { max-width: 540px; }
.year-story-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 24px; }
.year-story-gallery img { aspect-ratio: 16/10; border-radius: 0; }
.exhibition { background: rgba(117, 142, 55, .11); } .exhibition h3 { display: flex; align-items: center; gap: 10px; } .hint { opacity: .72; } .media-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 26px; } figure { margin: 0; padding: 12px; } img, video { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 18px; display: block; background: #222; } figcaption { display: flex; gap: 8px; align-items: center; padding: 12px 4px 4px; font-size: .92rem; }
.about { background: linear-gradient(120deg, rgba(84,111,39,.18), rgba(196,135,35,.14)); } blockquote { margin: 26px 0 0; padding: 24px; border-left: 6px solid #dba83d; background: rgba(255,255,255,.45); border-radius: 0 18px 18px 0; font-weight: 800; } .dark blockquote { background: rgba(255,255,255,.08); } footer { min-height: 87px; padding: 32px; text-align: center; font-weight: 900; color: #6f8f2f; }
@media (max-width: 1100px) { .site-header { grid-template-columns: auto 1fr; } .site-header nav { grid-column: 1 / -1; grid-row: 2; } .controls { justify-self: end; } .events-archive-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 980px) { .hero, .split, .home-feature, .restoration-section, .year-feature-media, .year-story-feature { grid-template-columns: 1fr; } .hero-card { justify-self: start; width: min(390px, 70vw); } .feature-image { min-height: 440px; } .four, .media-grid, .stats, .year-grid, .activity-grid { grid-template-columns: repeat(2, 1fr); } .events-archive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .home-timeline { grid-template-columns: 1fr; } .home-timeline article { min-height: 210px; } }
@media (max-width: 980px) { .about-detail { grid-template-columns: 1fr; } .about-qna { position: static; } }
@media (max-width: 980px) { .exhibition-intro, .behind-scenes, .curatorial-section, .exhibition-chapter, .definition-section { grid-template-columns: 1fr; } .curatorial-heading { position: static; } .exhibition-chapter:nth-child(even) .chapter-photo { order: 0; } }
@media (max-width: 980px) {
  html[lang="en"] .hero { padding-top: 67px; padding-bottom: 67px; }
  html[lang="en"] .hero h1 { font-size: clamp(2.1rem, 3.5vw, 2.75rem); line-height: 1.06; }
  html[lang="en"] .hero p { font-size: 1rem; line-height: 1.65; }
  html[lang="en"] .card p, html[lang="en"] .home-timeline p, html[lang="en"] .feature-copy > p { font-size: .94rem; line-height: 1.58; }
  html[lang="en"] .section-intro p { line-height: 1.58; }
}

/* Exhibition media: real photographs keep the story grounded and readable. */
.exhibition-hero-photo,
.chapter-photo,
.behind-scenes-gallery figure { margin: 0; }
.exhibition-hero-photo img,
.chapter-photo img,
.behind-scenes-gallery img { display: block; width: 100%; object-fit: cover; border-radius: 14px; }
.exhibition-hero-photo img { aspect-ratio: 4 / 3; }
.exhibition-hero-photo figcaption,
.chapter-photo figcaption,
.behind-scenes-gallery figcaption { margin-top: 8px; color: var(--muted); font-size: .78rem; }
.behind-scenes-media { display: grid; gap: 16px; }
.behind-scenes-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.behind-scenes-gallery img { aspect-ratio: 4 / 3; }
.chapter-photo img { aspect-ratio: 16 / 10; }
.exhibition-backstage { grid-template-columns: minmax(240px, .68fr) minmax(0, 1.32fr); align-items: start; }
.exhibition-backstage:last-child { padding-bottom: 24px; }
.exhibition-page-opening { display: grid; grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr); align-items: center; gap: clamp(36px, 6vw, 88px); color: #233126; background: #e9e3d7; }
.exhibition-page-opening-copy { max-width: 560px; }
.exhibition-page-opening-copy h2 { max-width: 12ch; margin: 10px 0 20px; color: #233126; font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.08; }
.exhibition-page-opening-copy > p:last-child { margin: 0; color: #5c665d; }
.exhibition-page-opening .exhibition-video-frame { border-color: rgba(255,255,255,.28); background: #111710; box-shadow: 0 22px 60px rgba(0,0,0,.28); }
.exhibition-page-gallery-section { background: #e8efe0; border-top: 1px solid rgba(95,127,44,.12); border-bottom: 1px solid rgba(95,127,44,.12); }
.exhibition-page-gallery-heading { max-width: 700px; margin-bottom: 34px; }
.exhibition-page-gallery-heading h2 { margin: 10px 0 14px; color: #233126; }
.exhibition-page-gallery-heading > p:last-child { max-width: 62ch; margin: 0; color: #5c665d; }
.exhibition-page-gallery-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.exhibition-page-gallery-grid figure { padding: 0; border: 0; background: transparent; }
.exhibition-page-gallery-grid img { aspect-ratio: 4 / 3; border-radius: 3px; }
.exhibition-page-gallery-grid figcaption { padding: 10px 0 0; color: #5c665d; font-size: .8rem; line-height: 1.4; }
.exhibition-page-intro-section { background: #fbf4e5; }
.exhibition-page-intro-section .exhibition-opening { color: #4f5e4d; }
.exhibition-page-intro-section .exhibition-author { color: #6f8f2f; }
.dark .exhibition-page-gallery-section { background: #1e2b1c; border-color: rgba(182,207,114,.16); }
.dark .exhibition-page-gallery-heading h2, .dark .exhibition-page-gallery-heading > p:last-child { color: #edf2dc; }
.dark .exhibition-page-intro-section { background: #283323; }
.dark .exhibition-page-intro-section .exhibition-opening { color: #d6dec9; }
.backstage-heading { position: sticky; top: 118px; max-width: 520px; }
.backstage-heading h2 { margin-top: 10px; text-wrap: balance; }
.backstage-heading > p:last-child { max-width: 48ch; color: rgba(248,242,220,.76); }
.backstage-media { display: grid; gap: 18px; min-width: 0; }
.exhibition-backstage .behind-scenes-gallery { gap: 18px; }
.exhibition-backstage .behind-scenes-gallery figure { padding: 0; border: 0; border-radius: 2px; overflow: hidden; background: transparent; box-shadow: none; }
.exhibition-backstage .behind-scenes-gallery img { border-radius: 2px; }
.exhibition-backstage .behind-scenes-gallery figcaption { display: grid; gap: 4px; margin: 0; padding: 12px 2px 2px; color: rgba(248,242,220,.78); line-height: 1.35; }
.exhibition-backstage .behind-scenes-gallery figcaption span { color: #d6ad63; font-size: .68rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.exhibition-backstage .behind-scenes-gallery figcaption strong { color: #f8f2dc; font-size: .86rem; font-weight: 600; }
@media (max-width: 620px) {
  .behind-scenes-gallery { gap: 8px; }
  .exhibition-hero-photo img { aspect-ratio: 1 / 1; }
  .exhibition-hero-photo figcaption, .chapter-photo figcaption, .behind-scenes-gallery figcaption { font-size: .7rem; }
}
@media (min-width: 621px) and (max-width: 980px) {
  .hero { min-height: 919px; }
  main > .section:nth-of-type(3) { min-height: 655px; }
  .featured-projects .home-feature { min-height: 850px; }
  .journey-section { min-height: 1036px; }
  .activity-section { min-height: 973px; }
  .restoration-section { min-height: 745px; }
  .home-cta { min-height: 418px; }
}
@media (min-width: 981px) {
  main > .section:nth-of-type(3) { min-height: 519px; }
  .featured-projects .home-feature { min-height: 720px; }
  .journey-section { min-height: 699px; }
  .activity-section { min-height: 770px; }
  .restoration-section { min-height: 524px; }
  .home-cta { min-height: 484px; }
}
@media (max-width: 620px) {
  :root { --page-title-size: clamp(2.35rem, 12vw, 3.35rem); --section-title-size: clamp(1.8rem, 8vw, 2.45rem); --body-copy-size: .96rem; --body-copy-leading: 1.68; }
  html, body, .app { max-width: 100%; overflow-x: clip; }
  .site-header { min-height: 0; grid-template-columns: minmax(0, 1fr) auto; gap: 10px 14px; padding: 11px 16px 8px; }
  .brand { min-width: 0; overflow: hidden; font-size: 1rem; text-overflow: ellipsis; }
  .brand-logo { height: 34px; }
  .controls { justify-self: end; flex-wrap: nowrap; gap: 7px; }
  .controls button { min-height: 38px; padding: 8px 11px; font-size: .78rem; }
  .site-header nav { grid-column: 1 / -1; grid-row: 2; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; width: calc(100% + 32px); margin-left: -16px; padding: 3px 8px 7px; overflow: visible; }
  .site-header nav::-webkit-scrollbar { display: none; }
  nav > a, .nav-dropdown > a { min-height: 46px; padding: 8px 5px; border-radius: 12px; font-size: clamp(.66rem, 2.65vw, .78rem); line-height: 1.18; white-space: normal; }
  .nav-dropdown { position: relative; }
  .nav-chevron { margin-left: 6px; font-size: .9rem; }
  .nav-year-menu { left: 0; width: min(230px, calc(100vw - 72px)); max-height: min(360px, calc(100vh - 126px)); transform: translate(0, -8px); }
  .nav-dropdown:hover .nav-year-menu, .nav-dropdown:focus-within .nav-year-menu { transform: translate(0, 0); }
  .nav-dropdown.open .nav-year-menu { transform: translate(0, 0); }
  .nav-year-menu a { padding: 11px 16px; font-size: .92rem; }
  .nav-year-menu .year-menu-link { grid-template-columns: 52px minmax(0, 1fr); gap: 10px; }
  .events-archive-grid { grid-template-columns: 1fr; gap: 20px; }
  .events-year-card { min-height: min(112vw, 460px); border-radius: 20px; }
  .events-year-overlay { padding: 25px 22px; }

  .section { padding: 56px 20px; }
  .hero { min-height: 820px; grid-template-columns: 1fr; align-content: center; gap: 34px; padding-top: 48px; padding-bottom: 64px; }
  .hero::after { background: linear-gradient(180deg, rgba(12,24,10,.7) 0%, rgba(12,24,10,.42) 55%, rgba(12,24,10,.62) 100%); }
  .hero-content { min-height: 0; display: block; }
  .hero h1, html[lang="en"] .hero h1, html[lang="zh-CN"] .hero h1 { margin: 10px 0 14px; font-size: clamp(2rem, 9.6vw, 2.65rem); line-height: 1.09; }
  .hero p, html[lang="en"] .hero p { font-size: .94rem; line-height: 1.58; }
  .hero-actions { gap: 9px; margin-top: 18px; }
  .hero-actions a { justify-content: center; padding: 10px 14px; font-size: .84rem; }
  .hero-card { justify-self: start; width: min(315px, 88vw); padding: 27px; border-radius: 30px; }
  .hero-card span { font-size: 2.75rem; }
  .hero-card strong { font-size: 1.48rem; }
  .hero-project-controls { margin-top: 16px; }
  .hero-slide-indicator { left: 20px; bottom: 20px; }
  .hero-slide-indicator i { width: 22px; }
  .home-slide-panel { left: 20px; bottom: 52px; width: 164px; }

  .page-hero, .exhibition-hero { min-height: 430px; padding-bottom: 46px; }
  .page-hero h1 { margin-bottom: 12px; line-height: 1.06; }
  .page-hero > p:last-child { min-height: 0; margin-bottom: 0; font-size: .98rem; line-height: 1.6; }
  h2 { font-size: clamp(1.8rem, 8vw, 2.45rem); line-height: 1.12; }
  h3 { line-height: 1.35; }
  p { overflow-wrap: anywhere; }

  .four, .media-grid, .activity-grid, .exhibition-quotes, .placeholder-grid { grid-template-columns: 1fr; }
  .blank-page { padding-top: 64px; }
  .blank-page .back-link { margin-bottom: 24px; }
  .year-feature-media { margin-top: 30px; gap: 24px; }
  .year-video-frame { border-radius: 20px; }
  .year-story { margin-top: 72px; }
  .year-story-header { margin-bottom: 32px; }
  .year-story-header > p:last-child { font-size: .96rem; }
  .year-story-feature { gap: 22px; }
  .year-story-feature figure, .year-story-gallery figure { border-radius: 20px; }
  .year-story-feature figcaption, .year-story-gallery figcaption { min-height: 0; padding: 13px 15px; font-size: .82rem; }
  .year-story-gallery { grid-template-columns: 1fr; gap: 14px; margin-top: 14px; }
  .stats, .year-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { gap: 10px; margin: 24px 16px 0; }
  .stats div { min-height: 124px; padding: 18px 16px; border-radius: 18px; }
  .stats strong { font-size: 1.9rem; }
  .stats span { font-size: .82rem; line-height: 1.35; }
  .year-grid { gap: 10px; }
  .year-card { min-height: 136px; padding: 18px; border-radius: 20px; }
  .year-card strong { font-size: 1.65rem; }
  .year-card span { font-size: .82rem; }

  .home-feature, .restoration-section, .year-feature-media { gap: 30px; }
  .home-feature:nth-child(even) { grid-template-columns: 1fr; }
  .home-feature:nth-child(even) .feature-image { order: 0; }
  .feature-image { min-height: 300px; border-radius: 26px; }
  .feature-copy > p, .editorial-copy p, .definition-body p, .chapter-copy p, .exhibition-opening { font-size: .96rem; line-height: 1.72; }
  .feature-facts { gap: 7px; margin: 24px 0; }
  .feature-facts div { padding: 12px 14px; }
  .home-timeline { gap: 12px; margin-top: 28px; }
  .home-timeline article, .activity-grid .card { min-height: 0; padding: 22px; border-radius: 22px; }
  .home-timeline article > span { margin-bottom: 32px; font-size: 2rem; }
  .restoration-steps { gap: 10px; }
  .restoration-steps li { grid-template-columns: 42px 1fr; min-height: 64px; padding: 12px 15px; border-radius: 16px; font-size: .9rem; }
  .timeline article { padding: 54px 20px 20px; }
  .timeline span { left: 20px; top: 18px; }

  .exhibition-intro, .behind-scenes, .curatorial-section, .exhibition-chapter, .definition-section { gap: 30px; }
  .exhibition-placeholder { min-height: 240px; padding: 22px; border-radius: 24px; }
  .placeholder-grid .exhibition-placeholder { min-height: 220px; }
  .exhibition-video-frame, .year-video-frame { border-radius: 22px; }
  .definition-header { padding: 24px; border-radius: 22px; }
  .exhibition-quotes blockquote { font-size: 1.12rem; }
  .chapter-copy h2 { font-size: clamp(1.75rem, 7.5vw, 2.35rem); }

  .about-detail { gap: 34px; }
  .about-principles article { padding: 18px; }
  .about-principles h3, .about-principles p { min-height: 0; }
  .about-qna { padding: 24px 20px; border-radius: 24px; }
  .about-qna h2 { font-size: 1.8rem; }
  .qna-list summary { padding: 17px 0; gap: 12px; font-size: .94rem; }
  .qna-list details p { margin-right: 18px; font-size: .9rem; }
  blockquote { padding: 19px; }
  footer { min-height: 0; padding: 25px 18px; font-size: .88rem; }
}

@media (max-width: 360px) {
  .site-header nav { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .stats, .year-grid { grid-template-columns: 1fr; }
  .hero { min-height: 720px; }
  .hero-card { width: min(260px, 100%); }
}

/* Editorial refinement: restrained, architectural, and content-led. */
:root {
  --ink: #20251f;
  --paper: #f2efe7;
  --line: rgba(32, 37, 31, .18);
  --accent: #667b39;
  --warm: #a8772d;
}
body, .app { background: var(--paper); color: var(--ink); }
body.dark, .app.dark { background: #171b17; color: #eeeae0; }
.site-header { min-height: 82px; padding-top: 10px; padding-bottom: 10px; background: color-mix(in srgb, var(--paper) 95%, transparent); border-bottom-color: var(--line); backdrop-filter: blur(18px); }
.dark .site-header { background: rgba(23,27,23,.95); }
.brand-logo { height: 42px; }
nav { gap: 2px; }
nav > a, .nav-dropdown > a { position: relative; padding: 12px 10px; border: 0; border-radius: 0; background: transparent !important; box-shadow: none !important; font-size: .9rem; font-weight: 650; letter-spacing: .015em; opacity: .66; }
nav > a::after, .nav-dropdown > a::after { content: ''; position: absolute; right: 18%; bottom: 3px; left: 18%; height: 1px; background: currentColor; transform: scaleX(0); transition: transform .2s ease; }
nav > a:hover::after, nav > a.active::after, .nav-dropdown > a:hover::after, .nav-dropdown > a.active::after { transform: scaleX(1); }
nav > a.active, .nav-dropdown > a.active { color: var(--accent); opacity: 1; }
.nav-chevron { color: inherit; font-size: 0; }
.nav-year-menu { padding: 8px 0; border-color: var(--line); border-radius: 3px; background: rgba(248,247,242,.98); box-shadow: 0 16px 40px rgba(18,24,17,.14); }
.dark .nav-year-menu { background: rgba(27,32,27,.99); }
.nav-year-menu a { padding-top: 10px; padding-bottom: 10px; font-size: .9rem; font-weight: 600; }
.nav-year-menu a:hover, .nav-year-menu a:focus-visible { color: var(--accent); background: rgba(102,123,57,.08); }
button, .primary, .secondary { min-height: 42px; border: 1px solid transparent; border-radius: 3px; padding: 10px 17px; font-size: .82rem; font-weight: 700; letter-spacing: .035em; box-shadow: none; }
button, .secondary { border-color: var(--line); background: transparent; }
.primary { background: var(--accent); box-shadow: none; }
.section { padding-top: clamp(68px, 7vw, 104px); padding-bottom: clamp(68px, 7vw, 104px); }
.eyebrow { color: var(--warm); font-size: .75rem; font-weight: 750; letter-spacing: .16em; }
h2 { letter-spacing: -.025em; }
.hero { min-height: calc(100vh - 82px); }
.hero::after { background: linear-gradient(90deg, rgba(12,18,12,.74), rgba(12,18,12,.22) 68%, rgba(12,18,12,.18)); }
.hero h1 { font-weight: 650; letter-spacing: -.035em; }
.hero-card { width: min(390px, 100%); border-radius: 3px; border-color: rgba(255,255,255,.34); box-shadow: 0 24px 60px rgba(0,0,0,.2); backdrop-filter: blur(7px); }
.hero-card strong { font-weight: 650; }
.hero-project-controls button { border-radius: 2px; }
.project-position i, .project-position i.active { height: 2px; border-radius: 0; }
.stats { gap: 0; margin-top: 0; border-bottom: 1px solid var(--line); }
.stats div { min-height: 132px; border: 0; border-top: 1px solid var(--line); border-right: 1px solid var(--line); border-radius: 0; background: transparent; box-shadow: none; }
.stats div:last-child { border-right: 0; }
.dark .stats div { background: transparent; border-color: rgba(255,255,255,.16); }
.stats strong { color: var(--accent); font-weight: 650; }
.card, .project, .timeline article, figure, .about-principles article, .about-qna, .home-timeline article { border-color: var(--line); border-radius: 3px; background: rgba(255,255,255,.24); box-shadow: none; }
.activity-grid { gap: 1px; background: var(--line); }
.activity-grid .card { border: 0; border-radius: 0; background: var(--paper); }
.dark .activity-grid .card { background: #171b17; }
.feature-image { border-radius: 2px; box-shadow: none; }
.home-feature:nth-child(even), .curatorial-section, .exhibition-chapter:nth-child(even) { background: rgba(102,123,57,.055); }
.feature-facts { gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-facts div { border-left: 0; border-right: 1px solid var(--line); }
.feature-facts div:last-child { border-right: 0; }
.feature-facts strong { color: var(--accent); }
.restoration-section { background: rgba(102,123,57,.07); }
.restoration-steps { gap: 1px; background: var(--line); }
.restoration-steps li { border-radius: 0; background: var(--paper); }
.dark .restoration-steps li { background: #171b17; }
.home-cta, .behind-scenes { background: #232a22; }
.page-hero { background-image: linear-gradient(90deg, rgba(22,29,20,.84), rgba(22,29,20,.36)), url('media/home-slide-3.jpg'); }
body[data-page="events"] .page-hero { background-image: linear-gradient(90deg, rgba(22,29,20,.82), rgba(22,29,20,.3)), url('media/year-stories/2024-archive-1.jpg'); }
body[data-page="exhibition"] .page-hero { background-image: linear-gradient(90deg, rgba(22,29,20,.82), rgba(22,29,20,.3)), url('media/year-stories/2024-archive-3.jpg'); }
body[data-page="about"] .page-hero { background-image: linear-gradient(90deg, rgba(22,29,20,.82), rgba(22,29,20,.3)), url('media/year-stories/2023-archive-1.jpg'); }
.events-archive-grid { gap: 16px; }
.events-year-card { border-radius: 2px; box-shadow: none; }
.events-year-overlay strong { font-weight: 600; }
.events-year-overlay > span { font-weight: 650; }
.events-year-overlay em { font-weight: 650; letter-spacing: .08em; }
.year-video-frame, .exhibition-video-frame, .exhibition-placeholder, .definition-header, .blank-canvas { border-radius: 3px; box-shadow: none; }
.year-story-feature figure, .year-story-gallery figure { border-radius: 2px; }
.about-qna { background: rgba(255,255,255,.3); }
.qna-future { border-radius: 2px; }
blockquote { border-radius: 0; }
footer { border-top: 1px solid var(--line); font-size: .8rem; font-weight: 650; letter-spacing: .04em; }

.hero-card { width: min(520px, 100%); aspect-ratio: 1.42; padding: 0; grid-template-rows: 1fr 64px; border: 1px solid rgba(255,255,255,.55); background: #1c241b; backdrop-filter: none; }
.hero-card::before { transform: none; }
.hero-card:hover::before { transform: scale(1.025); }
.hero-card::after { background: linear-gradient(180deg, rgba(8,14,8,.08) 20%, rgba(8,14,8,.18) 48%, rgba(8,14,8,.88) 100%); }
.hero-project-link { grid-template-rows: auto 1fr; align-content: stretch; padding: 24px 26px 28px; }
.hero-card .hero-project-link span { justify-self: start; min-width: 74px; padding: 8px 10px; border: 1px solid rgba(255,255,255,.62); background: rgba(10,17,9,.3); font-size: 1rem; font-weight: 700; line-height: 1; letter-spacing: .04em; text-align: center; text-shadow: none; backdrop-filter: blur(8px); }
.hero-card .hero-project-link strong { align-self: end; min-height: 0; max-width: 310px; margin: 0; font-size: clamp(1.8rem, 2.4vw, 2.35rem); line-height: 1.08; letter-spacing: -.025em; }
.hero-project-controls { grid-template-columns: 64px 1fr 64px; gap: 0; margin: 0; border-top: 1px solid rgba(255,255,255,.28); background: rgba(10,17,9,.78); }
.hero-project-controls button { width: 64px; height: 63px; border: 0; background: transparent; font-size: 1.05rem; }
.hero-project-controls button:first-child { border-right: 1px solid rgba(255,255,255,.18); }
.hero-project-controls button:last-child { border-left: 1px solid rgba(255,255,255,.18); }
.project-position { gap: 5px; }
.project-position i { width: 12px; background: rgba(255,255,255,.28); }
.project-position i.active { width: 26px; }

@media (max-width: 620px) {
  .site-header { padding-top: 10px; }
  nav > a, .nav-dropdown > a { min-height: 42px; border-radius: 0; font-size: clamp(.64rem, 2.55vw, .75rem); }
  nav > a::after, .nav-dropdown > a::after { right: 12%; left: 12%; }
  .controls button { border-radius: 2px; }
  .hero { min-height: 760px; }
  .hero-card { border-radius: 2px; }
  .hero-card { width: min(390px, 100%); aspect-ratio: 1.32; padding: 0; }
  .hero-project-link { padding: 20px 21px 23px; }
  .hero-card .hero-project-link strong { font-size: 1.7rem; }
  body[data-page="about"] .page-hero h1, body[data-page="exhibition"] .page-hero h1 { font-size: clamp(1.85rem, 8.8vw, 2.35rem); line-height: 1.12; }
  body[data-page="about"] .page-hero > p:last-child, body[data-page="exhibition"] .page-hero > p:last-child,
  body[data-page="about"] .about-detail p, body[data-page="about"] .about-detail blockquote,
  body[data-page="exhibition"] #exhibitionStory p { font-size: .88rem; line-height: 1.65; }
  body[data-page="about"] .about-detail h2, body[data-page="exhibition"] #exhibitionStory h2 { font-size: clamp(1.55rem, 7vw, 2.05rem); line-height: 1.15; }
  html[lang="zh-CN"] body[data-page="about"] .page-hero h1, html[lang="zh-CN"] body[data-page="exhibition"] .page-hero h1 { font-size: clamp(1.78rem, 8.45vw, 2.25rem); }
  html[lang="zh-CN"] body[data-page="about"] .about-detail h2, html[lang="zh-CN"] body[data-page="exhibition"] #exhibitionStory h2 { font-size: clamp(1.5rem, 6.75vw, 1.98rem); }
  html[lang="zh-CN"] body[data-page="about"] .page-hero > p:last-child, html[lang="zh-CN"] body[data-page="exhibition"] .page-hero > p:last-child,
  html[lang="zh-CN"] body[data-page="about"] .about-detail p, html[lang="zh-CN"] body[data-page="about"] .about-detail blockquote,
  html[lang="zh-CN"] body[data-page="exhibition"] #exhibitionStory p { font-size: .86rem; }
  body[data-page="about"] .page-hero { height: auto; min-height: 430px; }
  .about-story, .about-qna { min-height: 0; }
  .stats { margin-right: 20px; margin-left: 20px; }
  .stats div { min-height: 116px; border-radius: 0; }
  .stats div:nth-child(2) { border-right: 0; }
  .stats div:nth-child(3), .stats div:nth-child(4) { border-bottom: 0; }
  body[data-page="home"] .hero { min-height: 0; align-content: start; gap: 24px; padding: 40px 18px 54px; }
  body[data-page="home"] .hero-content { max-width: 100%; }
  body[data-page="home"] .hero h1, html[lang="en"] body[data-page="home"] .hero h1, html[lang="zh-CN"] body[data-page="home"] .hero h1 { font-size: clamp(1.78rem, 8.5vw, 2.28rem); line-height: 1.1; text-wrap: pretty; }
  body[data-page="home"] .hero-card { width: 100%; aspect-ratio: 1.45; grid-template-rows: 1fr 56px; }
  body[data-page="home"] .hero-project-link { padding: 18px 19px 20px; }
  body[data-page="home"] .hero-card .hero-project-link strong { font-size: 1.5rem; }
  body[data-page="home"] .hero-project-controls button { width: 56px; height: 55px; }
  body[data-page="home"] .hero-project-controls { grid-template-columns: 56px 1fr 56px; }
  body[data-page="home"] .hero-slide-indicator { display: none; }
  body[data-page="home"] .stats { width: auto; margin: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); }
  body[data-page="home"] .stats div { min-height: 102px; border: 0; background: var(--paper); }
  body[data-page="home"].dark .stats div { background: #171b17; }
  body[data-page="home"] .section:not(.hero) { padding-right: 18px; padding-left: 18px; }
  body[data-page="home"] .home-feature { gap: 24px; padding-top: 48px; padding-bottom: 48px; }
  body[data-page="home"] .feature-image { min-height: 240px; }
  body[data-page="home"] .feature-facts { grid-template-columns: 1fr; }
  body[data-page="home"] .feature-facts div { min-height: 58px; border-right: 0; border-bottom: 1px solid var(--line); }
  body[data-page="home"] .feature-facts div:last-child { border-bottom: 0; }
  body[data-page="home"] .home-cta { padding-top: 48px; padding-bottom: 48px; }
  .events-year-card { min-height: 0; aspect-ratio: 1 / 1; border-radius: 2px; }
  .feature-image, .year-video-frame, .exhibition-video-frame, .exhibition-placeholder, .definition-header, .about-qna { border-radius: 2px; }
  .home-timeline article, .activity-grid .card, .restoration-steps li { border-radius: 0; }
}

/* Final responsive pass: keep navigation and editorial pages stable on phones. */
@media (max-width: 980px) {
  .exhibition-backstage { grid-template-columns: 1fr; }
  .exhibition-page-opening { grid-template-columns: 1fr; }
  .exhibition-page-gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 12px; }
  .backstage-heading { position: static; max-width: 680px; }
}
@media (max-width: 620px) {
  .site-header { gap: 8px 10px; padding-right: 12px; padding-left: 12px; }
  .brand-logo { max-width: 108px; height: 36px; object-fit: contain; }
  .controls { gap: 5px; }
  .controls button { min-width: 0; min-height: 44px; padding: 7px 9px; }
  #modeText, #yearModeText { display: none; }
  .site-header nav { width: calc(100% + 24px); margin-left: -12px; padding-right: 8px; padding-left: 8px; }
  nav > a, .nav-dropdown > a { padding-right: 3px; padding-left: 3px; overflow-wrap: normal; word-break: keep-all; }
  .nav-year-menu { max-width: calc(100vw - 24px); }
  .nav-dropdown:hover .nav-year-menu, .nav-dropdown:focus-within .nav-year-menu { opacity: 0; visibility: hidden; transform: translate(0, -8px); }
  .nav-dropdown.open .nav-year-menu { opacity: 1; visibility: visible; transform: translate(0, 0); }
  .nav-year-menu .year-menu-overview { border-bottom: 1px solid var(--line); color: var(--accent); font-weight: 750; }

  body[data-page="exhibition"] .section,
  body[data-page="about"] .section { padding-right: 18px; padding-left: 18px; }
  .exhibition-intro, .curatorial-section, .definition-section, .exhibition-chapter, .exhibition-backstage { gap: 24px; }
  .exhibition-hero-photo, .chapter-photo { min-width: 0; }
  .exhibition-hero-photo img { aspect-ratio: 4 / 3; }
  .chapter-photo img { aspect-ratio: 4 / 3; }
  .definition-header { padding: 20px; }
  .definition-body p, .chapter-copy p, .editorial-copy p { overflow-wrap: break-word; word-break: normal; }
  .exhibition-quotes { gap: 10px; }
  .exhibition-quotes blockquote { padding: 17px; }
  .exhibition-backstage { padding-top: 60px; padding-bottom: 60px; }
  .exhibition-backstage:last-child { padding-bottom: 20px; }
  .backstage-heading h2 { font-size: clamp(1.48rem, 6.8vw, 1.95rem) !important; }
  .backstage-media { gap: 16px; }
  .exhibition-backstage .behind-scenes-gallery { grid-template-columns: 1fr; gap: 22px; }
  .exhibition-backstage .behind-scenes-gallery img { aspect-ratio: 4 / 3; }
  .exhibition-backstage .behind-scenes-gallery figcaption { padding-top: 9px; }
  .exhibition-backstage .behind-scenes-gallery figcaption span { font-size: .74rem; }
  .exhibition-backstage .behind-scenes-gallery figcaption strong { font-size: .82rem; }
  html[lang="zh-CN"] body[data-page="exhibition"] #exhibitionStory p,
  html[lang="zh-CN"] body[data-page="about"] .about-detail p,
  html[lang="zh-CN"] body[data-page="about"] .about-detail blockquote { font-size: .94rem; line-height: 1.72; }

  .events-archive-grid { gap: 12px; }
  .events-year-overlay { padding: 20px 18px; }
  .events-year-overlay strong { font-size: clamp(1.8rem, 10vw, 2.55rem); }
  .events-year-overlay > span { font-size: .95rem; }
  .about-detail { gap: 28px; }
  .qna-list summary { align-items: flex-start; }
}
@media (max-width: 360px) {
  .brand-logo { max-width: 92px; height: 32px; }
  .controls button { padding-right: 7px; padding-left: 7px; font-size: .72rem; }
  nav > a, .nav-dropdown > a { font-size: .61rem; }
  .nav-chevron { width: 6px; height: 6px; margin-left: 4px; }
}