:root {
  --paper: #FAF8F3;
  --ink: #191919;
  --muted: #737373;
  --coral: #FF765E;
  --yellow: #FFC96B;
  --blue: #95C8EE;
  --line: rgba(25,25,25,.16);
  --shell: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif; font-size: 16px; line-height: 1.75; }
body.locked { overflow: hidden; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }
img, video, iframe { display: block; max-width: 100%; }
h1, h2, h3, h4, p, figure { margin: 0; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 800; letter-spacing: -.035em; line-height: 1.24; }
p { overflow-wrap: anywhere; }
.shell { width: min(calc(100% - 72px), var(--shell)); margin-inline: auto; }
.folio-skip { position: absolute; top: -60px; left: 20px; z-index: 100; padding: 8px 12px; background: var(--ink); color: #fff; }
.folio-skip:focus { top: 12px; }
.kicker, .project-label { color: var(--muted); font-size: 14px; font-weight: 700; letter-spacing: .06em; }
.note { color: var(--muted); font-size: 14px; line-height: 1.7; }
.text-link { display: inline-flex; align-items: center; gap: 20px; width: fit-content; border: 0; border-bottom: 1px solid var(--ink); padding: 0 0 6px; background: none; color: var(--ink); font-size: 15px; font-weight: 700; cursor: pointer; }
.text-link:hover { gap: 25px; }
.text-link:focus-visible, .image-button:focus-visible, .article button:focus-visible, .menu-button:focus-visible, .site-nav a:focus-visible { outline: 2px solid var(--coral); outline-offset: 4px; }
.site-header { position: sticky; top: 0; z-index: 30; height: 74px; border-bottom: 1px solid rgba(25,25,25,.07); background: var(--paper); }
.header-inner { display: flex; justify-content: space-between; align-items: center; height: 100%; gap: 35px; }
.wordmark { display: inline-flex; align-items: baseline; gap: 12px; flex: none; font-size: 17px; font-weight: 800; }
.wordmark small { color: var(--muted); font-size: 12px; font-weight: 600; }
.site-nav { display: flex; align-items: center; gap: clamp(15px, 2.1vw, 32px); }
.site-nav a { position: relative; padding: 5px 0; color: var(--muted); font-size: 14px; font-weight: 700; white-space: nowrap; }
.site-nav a.is-active { color: var(--ink); }
.site-nav > a.is-active::after, .site-nav .nav-primary.is-active::after { position: absolute; right: 0; bottom: -8px; left: 0; height: 2px; background: var(--coral); content: ""; }
.nav-group { position: relative; }
.nav-subtoggle { display: none; }
.site-nav .nav-dropdown { position: absolute; top: 100%; left: 0; z-index: 2; display: flex; flex-direction: column; gap: 2px; width: max-content; max-width: calc(100vw - 32px); padding: 12px; background: var(--paper); box-shadow: 0 8px 24px rgba(25,25,25,.1); opacity: 0; visibility: hidden; pointer-events: none; }
.site-nav .nav-dropdown a { padding: 8px 12px; color: #111111; font-weight: 600; line-height: 1.6; white-space: nowrap; }
.site-nav .nav-dropdown a:hover, .site-nav .nav-dropdown a:focus-visible, .site-nav .nav-dropdown a.is-current { color: #111111; }
.site-nav .nav-group:last-of-type .nav-dropdown { right: 0; left: auto; }
@media (min-width: 801px) {
  .nav-group:not(.is-dismissed):hover .nav-dropdown, .nav-group:not(.is-dismissed):focus-within .nav-dropdown { opacity: 1; visibility: visible; pointer-events: auto; }
}
.menu-button { display: none; }
.hero { position: relative; min-height: min(720px, calc(100svh - 74px)); overflow: hidden; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(260px, .7fr); align-items: center; gap: 70px; min-height: min(720px, calc(100svh - 74px)); padding-block: 90px; }
.hero-name { margin-top: 25px; font-size: 18px; font-weight: 700; }
.hero h1 { margin-top: 28px; font-size: clamp(48px, 4.5vw, 64px); }
.hero h1 em { color: var(--coral); font-style: normal; }
.hero-roles { margin-top: 30px; font-size: 17px; font-weight: 700; }
.hero-intro { max-width: 550px; margin-top: 11px; color: var(--muted); }
.hero .text-link { margin-top: 37px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-button { display: inline-flex; min-width: 130px; min-height: 44px; align-items: center; justify-content: center; border: 1px solid var(--ink); padding: 8px 20px; font-weight: 700; }
.hero-button-primary { border-color: var(--coral); background: var(--coral); }
.hero-button.is-unavailable { border-color: var(--line); color: var(--muted); }
.portrait { justify-self: end; width: min(100%, 280px); }
.portrait > div { overflow: hidden; background: #f1e9df; }
.portrait img { width: 100%; height: auto; }
.portrait figcaption { margin-top: 13px; color: var(--muted); font-size: 13px; text-align: right; }
.section { padding: 112px 0 122px; scroll-margin-top: 74px; }
.section-intro { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); align-items: center; gap: 32px; }
.section-intro h2 { font-size: clamp(40px, 3.4vw, 48px); }
.section-intro p:last-child { color: var(--muted); }
.section-intro + .project { margin-top: 56px; }
.project { scroll-margin-top: 108px; }
.project + .project { margin-top: 120px; }
.project-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, .65fr); column-gap: 60px; align-items: end; }
.project-heading .project-label { display: none; }
.project-heading h3 { color: #111111; font-size: clamp(28px, 2.55vw, 36px); font-weight: 600; }
.project-heading > p:last-child { color: var(--muted); line-height: 1.8; }
h4 { font-size: 21px; }
.project-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px 58px; margin-top: 36px; }
.project-fact { min-width: 0; }
.project-fact h4 { font-size: 18px; }
.project-fact p { margin-top: 10px; line-height: 1.8; }
.gallery-heading > div { max-width: 750px; }
.gallery-heading .project-fact { border: 0; padding: 0; }
.project-showcase { margin-top: 45px; }
.project-showcase > .project-fact { border: 0; padding: 0; }
.project-showcase .card-gallery, .project-showcase .poster-gallery { margin-top: 27px; }
.enterprise-story { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 42px; }
.enterprise-story > div { border-left: 3px solid var(--coral); padding-left: 20px; }
.enterprise-story p, .work-item p, .policy-story p, .event-summary p { margin-top: 10px; }
.work-heading { margin-top: 48px; }
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 23px; }
.work-item { border-top: 1px solid var(--line); padding-top: 18px; }
.work-item h5 { margin: 0; font-size: 18px; }
.gallery-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-top: 65px; }
.gallery-heading p { margin-top: 8px; color: var(--muted); }
.ppt-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-content: start; margin-top: 25px; }
.ppt-page { min-width: 0; }
.ppt-cover { grid-column: 1 / -1; width: min(100%, 840px); margin-inline: auto; }
.ppt-page img { width: 100%; height: auto; border: 1px solid var(--line); }
.enterprise > .note { margin-top: 18px; }
.ppt-page figcaption, .gallery-item figcaption, .lead-grid figcaption, .support-grid figcaption { margin-top: 9px; color: var(--muted); font-size: 14px; }
.policy-story { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; margin-top: 42px; border-left: 4px solid var(--blue); padding: 18px 0 18px 28px; }
.policy-story p { color: var(--muted); }
.works-heading { margin-top: 47px; }
.article-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 35px; margin: 15px 0 0; padding: 0; list-style: none; }
.article-list li { min-width: 0; }
.article-list li + li { border-top: 1px solid var(--line); }
.article-list a, .article-list li > span { display: flex; justify-content: space-between; gap: 16px; padding: 17px 0; font-size: 17px; font-weight: 700; line-height: 1.5; }
.article-list a:hover { color: var(--coral); }
.series-note { margin-top: 18px; color: var(--muted); }
.article { min-width: 0; border-top: 1px solid var(--line); padding-top: 14px; }
.article > button:first-child { display: block; width: 100%; aspect-ratio: 595 / 842; overflow: hidden; border: 0; padding: 0; background: #fff; cursor: pointer; }
.article > button:first-child img { width: 100%; height: 100%; object-fit: contain; }
.article-caption { padding-top: 18px; }
.article-caption > span { color: var(--coral); font-size: 14px; font-weight: 700; }
.article-caption h4 { margin-top: 9px; font-size: 19px; line-height: 1.45; }
.article-caption .text-link { margin-top: 18px; font-size: 14px; }
.article-caption p { margin-top: 8px; color: var(--muted); font-size: 14px; }
.article-empty { display: grid; place-items: center; aspect-ratio: 595 / 842; border: 1px dashed var(--line); color: var(--muted); font-size: 16px; }
.policy > .note { margin-top: 25px; }
.responsibility { max-width: 850px; margin-top: 20px; color: var(--muted); }
.responsibility b { margin-right: 15px; color: var(--ink); }
.card-gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: start; gap: 22px; margin-top: 37px; }
.poster-gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: start; gap: 22px; margin-top: 37px; }
.poster-gallery .image-button { aspect-ratio: 3 / 4; overflow: hidden; background: #eee9e1; }
.poster-gallery .image-button img { height: 100%; object-fit: contain; }
.gallery-item { min-width: 0; }
.image-button { display: block; width: 100%; border: 0; padding: 0; background: transparent; cursor: zoom-in; }
.image-button img { width: 100%; height: auto; object-fit: contain; }
.gallery-item figcaption { padding-top: 4px; }
.media { background: var(--paper); }
.media-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 60px; margin-top: 35px; }
.media-work { display: grid; align-content: start; min-width: 0; align-self: start; gap: 18px; }
.media-work video { display: block; width: 100%; max-height: 650px; object-fit: contain; background: #202020; }
.official-placeholder { display: grid; place-items: center; width: 100%; min-height: 180px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); text-align: center; }
.official-placeholder a { border-bottom: 1px solid var(--ink); color: var(--ink); font-weight: 700; }
.media-detail .metrics { gap: 16px; margin-top: 35px; }
.media-detail .metric strong { font-size: clamp(25px, 2.5vw, 34px); }
.media-detail .note { margin-top: 15px; }
.media-detail .responsibility { margin-top: 20px; }
.media-detail .project-fact + .project-fact { margin-top: 24px; }
.media-detail .project-fact h4 { font-size: 18px; }
.media-detail .project-fact p { margin-top: 8px; }
.media-detail > .note { margin-top: 14px; }
.media-detail > .text-link { margin-top: 23px; }
.metric-group { margin: 32px 0; }
.metric-group h4 { font-size: 18px; }
.metric-group .metrics { margin-top: 16px; }
.screenshot-pending { width: 100%; border: 1px dashed var(--line); padding: 28px 18px; color: var(--muted); font-size: 14px; text-align: center; }
.data-screenshot .image-button { max-width: 340px; }
#youtube .video-player { width: min(100%, 360px); justify-self: center; }
.official-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; margin-top: 40px; }
.official-grid .text-link { margin-top: 30px; }
.steps { margin: 15px 0 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 35px 1fr; gap: 12px; border-top: 1px solid var(--line); padding: 11px 0; line-height: 1.6; }
.steps li span { color: var(--coral); font-size: 14px; font-weight: 800; }
.metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 27px; margin-top: 43px; }
.metric { min-width: 0; }
.metric strong { display: block; font-size: clamp(30px, 3vw, 44px); font-weight: 800; letter-spacing: -.045em; line-height: 1.2; white-space: nowrap; }
.metric span { display: block; margin-top: 7px; color: var(--muted); font-size: 14px; }
.official > .note { margin-top: 16px; }
.video-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); align-items: start; gap: 60px; margin-top: 38px; }
.video-player { display: grid; place-items: center; min-width: 0; background: #202020; }
.video-player video { display: block; width: 100%; height: auto; max-height: 650px; object-fit: contain; }
.video-detail { min-width: 0; padding-top: 10px; }
.video-detail .metrics { gap: 14px; margin-top: 34px; }
.video-detail .metric strong { font-size: clamp(25px, 2.3vw, 34px); }
.video-detail .note { margin-top: 16px; }
.video-youtube .video-grid { grid-template-columns: minmax(0, .6fr) minmax(0, 1fr); }
.video-youtube .video-player { width: min(100%, 360px); }
.events { background: var(--paper); }
.event-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 55px; margin-top: 38px; }
.lead-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); align-items: start; gap: 55px; margin-top: 39px; }
.lead-grid figure, .support-grid figure { min-width: 0; }
.event-process h4, .event-effect h4 { font-size: 20px; }
.event-assets { max-width: 850px; margin-top: 35px; }
.event-assets .note { margin-top: 12px; }
.event-summary .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; margin: 0 0 42px; }
.event-summary .metric strong { font-size: clamp(27px, 2.35vw, 34px); }
.event-summary h4:not(:first-child) { margin-top: 30px; }
.detail-list { margin: 15px 0 0; padding: 0; list-style: none; }
.detail-list li { position: relative; margin-top: 11px; padding-left: 17px; }
.detail-list li::before { position: absolute; top: .7em; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--coral); content: ""; }
.issue-title { margin-top: 53px; }
.issue-list { margin-top: 18px; }
.issue { border-top: 1px solid var(--line); padding: 20px 0; }
.issue h5 { margin: 0 0 14px; color: var(--ink); font-size: 17px; }
.issue-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.issue-columns span { color: var(--coral); font-size: 14px; font-weight: 700; }
.issue p { line-height: 1.65; }
.event-effect { margin-top: 38px; }
.event-effect .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 600px; margin-top: 18px; }
.event-effect > p { max-width: 850px; margin-top: 24px; }
.support-detail .project-fact + .project-fact { margin-top: 24px; }
.support-detail .note { margin-top: 16px; }
.event-result { display: grid; grid-template-columns: 190px 1fr; gap: 20px; margin-top: 30px; padding: 28px; background: rgba(255,201,107,.23); }
.support-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 60px; margin-top: 36px; }
.support-grid .note { margin-top: 27px; }
.footer { padding: 80px 0 28px; background: var(--paper); }
.footer h2 { font-size: clamp(34px, 3.4vw, 48px); }
.footer-contact { margin-top: 18px; color: var(--muted); }
.contact { display: flex; flex-wrap: wrap; gap: 36px; margin-top: 43px; font-size: 16px; }
.contact a { border-bottom: 1px solid var(--ink); }
.footer-bottom { margin-top: 70px; color: var(--muted); font-size: 14px; }
.missing { display: grid; place-items: center; min-height: 150px; border: 1px dashed var(--line); color: var(--muted); }
.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(10,10,10,.83); }
.image-panel, .pdf-panel { position: relative; z-index: 1; width: min(100%, 1200px); }
.image-panel figure { text-align: center; }
.image-panel img { width: auto; max-width: 100%; max-height: 78vh; margin: auto; object-fit: contain; }
.image-panel figcaption { margin-top: 12px; color: #fff; }
.modal-close { border: 0; background: none; color: #fff; font-size: 30px; line-height: 1; cursor: pointer; }
.image-panel .modal-close { position: absolute; top: -40px; right: 0; }
.image-arrow { position: absolute; top: 50%; z-index: 2; width: 40px; height: 40px; border: 1px solid #fff; border-radius: 50%; background: rgba(0,0,0,.5); color: #fff; cursor: pointer; }
.image-prev { left: 0; }
.image-next { right: 0; }
.pdf-panel { min-width: 0; max-width: 100%; height: min(90vh, 820px); overflow: hidden; background: white; }
.pdf-toolbar { display: flex; align-items: center; gap: 20px; height: 54px; padding: 0 18px; background: var(--ink); color: #fff; }
.pdf-toolbar strong { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pdf-toolbar button { border: 0; background: none; color: #fff; font-size: 14px; cursor: pointer; }
.pdf-toolbar a { flex: none; color: var(--yellow); font-size: 14px; white-space: nowrap; }
.pdf-pages { display: flex; flex-direction: column; align-items: center; gap: 20px; width: 100%; min-width: 0; max-width: 100%; height: calc(100% - 54px); overflow: auto; padding: 24px; background: #eceae6; }
.pdf-pages figure { width: min(100%, 900px); flex: none; }
.pdf-pages img { width: 100%; height: auto; background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.1); }
.pdf-pages figcaption { margin-top: 7px; color: var(--muted); font-size: 13px; text-align: center; }
.pdf-pages.is-zoomed { align-items: flex-start; }
.pdf-pages.is-zoomed figure { width: 1000px; max-width: none; }
@media (max-width: 1000px) {
  .shell { width: min(calc(100% - 48px), var(--shell)); }
  .site-nav { gap: 13px; }
  .site-nav a { font-size: 12px; }
  .project-heading { gap: 35px; }
  .media-grid, .lead-grid { gap: 36px; }
  .media-detail .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 800px) {
  .site-header { height: 68px; }
  .menu-button { display: inline-flex; align-items: center; gap: 10px; border: 0; padding: 8px 0; background: transparent; font-size: 15px; font-weight: 700; cursor: pointer; }
  .site-nav { position: absolute; top: 68px; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 24px 20px; background: var(--paper); border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 0; font-size: 15px; }
  .site-nav > a.is-active::after, .site-nav .nav-primary.is-active::after { bottom: 7px; right: auto; width: 38px; }
  .hero-grid { display: flex; flex-direction: column; align-items: stretch; gap: 40px; min-height: 0; }
  .portrait { align-self: center; width: min(40%, 220px); }
  .section { padding: 90px 0; scroll-margin-top: 68px; }
  .section-intro { grid-template-columns: 1fr; gap: 14px; }
  .project + .project { margin-top: 92px; }
  .project-heading { display: block; }
  .project-heading h3 { margin-top: 0; }
  .project-heading > p:last-child { max-width: 700px; margin-top: 16px; }
  .media-grid, .lead-grid, .support-grid { grid-template-columns: 1fr; }
  .event-facts { grid-template-columns: 1fr 1fr; }
  .enterprise-story { gap: 28px; }
  .work-grid { grid-template-columns: 1fr; gap: 18px; }
  .policy-story { gap: 30px; }
  .article-list { grid-template-columns: 1fr; }
  .card-gallery, .poster-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .media-grid { gap: 30px; }
  #youtube .media-work video { max-width: 340px; }
  .media-detail .metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lead-grid { gap: 30px; }
  .event-summary .metrics { max-width: 550px; }
  .issue-columns { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .shell { width: calc(100% - 36px); }
  .wordmark { font-size: 15px; }
  .wordmark small { font-size: 11px; }
  .hero { min-height: 0; }
  .hero-grid { display: flex; flex-direction: column; align-items: stretch; gap: 48px; min-height: 0; padding-block: 76px 65px; }
  .hero-name { margin-top: 18px; font-size: 17px; }
  .hero h1 { margin-top: 18px; font-size: clamp(37px, 10.2vw, 43px); }
  .hero-roles { margin-top: 23px; font-size: 16px; }
  .hero-intro { font-size: 16px; }
  .portrait { align-self: center; width: min(56%, 210px); }
  .portrait figcaption { font-size: 12px; white-space: nowrap; }
  .section { padding: 72px 0 83px; }
  .section-intro { display: block; }
  .section-intro h2 { font-size: 34px; }
  .section-intro p:last-child { margin-top: 13px; }
  .project-heading h3 { font-size: 28px; }
  .project-facts { grid-template-columns: 1fr; gap: 26px; margin-top: 28px; }
  .event-facts { grid-template-columns: 1fr; gap: 24px; }
  h4 { font-size: 20px; }
  .project + .project { margin-top: 82px; }
  .enterprise-story { grid-template-columns: 1fr; gap: 28px; margin-top: 29px; }
  .work-heading { margin-top: 35px; }
  .gallery-heading { align-items: start; flex-direction: column; margin-top: 42px; }
  .ppt-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .ppt-page figcaption, .gallery-item figcaption { font-size: 13px; }
  .policy-story { display: block; margin-top: 28px; padding-left: 18px; }
  .policy-story > div + div { margin-top: 27px; }
  .article-list a, .article-list li > span { font-size: 16px; }
  .card-gallery { gap: 14px; }
  .poster-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .official-grid { gap: 30px; }
  .metrics, .media-detail .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  .metric strong, .media-detail .metric strong { font-size: 30px; }
  .metric span { font-size: 14px; }
  .video-player { width: 100%; }
  .video-detail { padding-top: 0; }
  .event-summary .metrics { margin-bottom: 35px; }
  .issue-columns { grid-template-columns: 1fr; gap: 12px; }
  .event-result { display: block; padding: 22px; }
  .event-result p { margin-top: 12px; }
  .footer { padding-top: 80px; }
  .footer h2 { font-size: 36px; }
  .footer-bottom { margin-top: 85px; }
  .image-arrow { top: auto; bottom: -53px; }
  .image-prev { left: 34%; }
  .image-next { right: 34%; }
  .pdf-panel { height: 84vh; }
  .pdf-toolbar { gap: 10px; font-size: 13px; }
  .pdf-toolbar button { font-size: 12px; white-space: nowrap; }
  .pdf-toolbar a { font-size: 12px; }
  .pdf-pages { padding: 12px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Current portfolio layout */
body { font-size: 17px; }
.site-nav a { font-size: 15px; }
.wordmark small, .portrait figcaption { font-size: 14px; }
.text-link { font-size: 16px; }
.note, .gallery-slide figcaption, .metric span { font-size: 15px; }
h4 { font-size: 22px; }
.project-fact h4, .media-detail .project-fact h4, .metric-group h4 { font-size: 19px; }
.project-fact p { line-height: 1.7; }
.hero, .hero-grid { min-height: 0; }
.hero-grid { padding-block: 64px; }
.section { padding-block: 70px; }
.project + .project { margin-top: 70px; border-top: 1px solid var(--line); padding-top: 42px; }
.project-facts { gap: 25px 46px; margin-top: 31px; }
.article-list { grid-template-columns: 1fr; max-width: 930px; margin-top: 38px; }
.gallery { width: 100%; margin: 30px auto 0; border: 1px solid rgba(25,25,25,.22); padding: 13px 16px 16px; }
.gallery--ppt { max-width: 850px; }
.gallery--card { max-width: 790px; }
.gallery--poster { max-width: 516px; }
.gallery--event { max-width: 640px; }
.gallery-toolbar { display: flex; justify-content: flex-end; min-height: 38px; margin-bottom: 9px; }
.gallery.is-static .gallery-toolbar, .gallery.is-single .gallery-toolbar { display: none; }
.gallery-controls { display: flex; align-items: center; gap: 9px; }
.gallery-count { min-width: 54px; color: var(--muted); font-size: 15px; font-variant-numeric: tabular-nums; }
.gallery-controls button { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--line); background: transparent; color: var(--ink); cursor: pointer; }
.gallery-controls button:hover, .gallery-controls button:focus-visible { border-color: var(--coral); outline: 2px solid var(--coral); outline-offset: 2px; }
.gallery-controls button:disabled { opacity: .35; cursor: default; }
.gallery-track { display: flex; gap: 18px; min-width: 0; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-inline: contain; scrollbar-width: thin; padding-bottom: 8px; }
.gallery-slide { flex: 0 0 232px; min-width: 0; scroll-snap-align: start; }
.gallery-slide .image-button { display: block; background: #f1eee8; }
.gallery-slide .image-button img { display: block; width: 100%; height: 100%; object-fit: contain; }
.gallery-slide figcaption { margin-top: 8px; color: var(--muted); }
.gallery--ppt .gallery-slide, .gallery--event .gallery-slide { flex-basis: 100%; }
.gallery--ppt .image-button { height: min(55vw, 470px); }
.gallery--card .image-button, .gallery--poster .image-button { height: 310px; }
.gallery--poster .image-button img { object-fit: contain; }
.gallery--event .image-button { height: min(43vw, 340px); }
#xiaohongshu .video-player video { aspect-ratio: 16 / 9; }
#youtube .video-player video { aspect-ratio: 9 / 16; }
.no-visual .media-grid { display: block; }
.no-visual .media-detail { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 38px; }
.no-visual .media-detail .project-fact + .project-fact { margin-top: 0; }
.no-visual .metric-group { grid-column: 1 / -1; margin: 4px 0 0; }
.no-visual .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.no-visual .media-detail > .text-link { grid-column: 1 / -1; margin-top: 0; }
.event-facts { gap: 20px 36px; margin-top: 30px; }
.event-process { margin-top: 30px; }
.issue-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 28px; margin-top: 16px; }
.issue { border-top: 0; padding: 0; }
.issue h5 { font-size: 19px; }
.issue-columns { gap: 17px; }
.event-effect { margin-top: 0; }
.event-effect .metrics { gap: 18px; margin-top: 16px; }
.event-effect .note { margin-top: 12px; }
.support-detail { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px; margin-top: 31px; }
.support-detail .project-fact + .project-fact { margin-top: 0; }
.footer { padding-top: 68px; }
.footer-contacts { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 22px; font-size: 17px; }
.footer-contacts a { border-bottom: 1px solid var(--ink); }
.footer-bottom { margin-top: 54px; }
@media (max-width: 800px) {
  .section { padding-block: 70px; }
  .project + .project { margin-top: 62px; padding-top: 36px; }
  .issue-list { grid-template-columns: 1fr; }
  .support-detail { grid-template-columns: 1fr 1fr; }
  .gallery--ppt .image-button { height: min(56vw, 450px); }
  .gallery--event .image-button { height: min(48vw, 330px); }
}
@media (max-width: 560px) {
  body { font-size: 17px; }
  .hero-grid { padding-block: 66px 58px; }
  .hero-intro { font-size: 17px; }
  .section { padding-block: 62px; }
  .project + .project { margin-top: 54px; padding-top: 30px; }
  .project-facts, .event-facts { gap: 18px; }
  .gallery { padding: 10px; }
  .gallery-slide { flex-basis: 68vw; }
  .gallery--card .image-button, .gallery--poster .image-button { height: auto; aspect-ratio: 3 / 4; }
  .gallery--ppt .gallery-slide, .gallery--event .gallery-slide { flex-basis: 100%; }
  .gallery--ppt .image-button { height: min(53vw, 290px); }
  .gallery--event .image-button { height: min(59vw, 280px); }
  .no-visual .media-detail, .support-detail { grid-template-columns: 1fr; }
  .issue-columns { grid-template-columns: 1fr; }
  .footer-contacts { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { .gallery-track { scroll-behavior: auto; } }

/* Homepage and primary navigation */
.hero { scroll-margin-top: 74px; }
.site-header .header-inner { display: grid; grid-template-columns: minmax(115px, 1fr) auto minmax(115px, 1fr); gap: 24px; }
.site-header .wordmark { justify-self: start; font-size: 19px; }
.site-header .site-nav { justify-self: center; }
.site-header .mobile-contact { display: none; }
.header-contact { justify-self: end; display: inline-flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--ink); padding-bottom: 4px; font-size: 15px; font-weight: 700; white-space: nowrap; }
.header-contact:hover, .hero-contact:hover, .hero-bottom a:hover { color: var(--coral); }
.header-contact:focus-visible, .hero-button:focus-visible, .hero-contact:focus-visible, .hero-bottom a:focus-visible { outline: 2px solid var(--coral); outline-offset: 4px; }
.hero .hero-grid { grid-template-columns: minmax(0, 1.55fr) minmax(250px, .9fr); gap: clamp(38px, 5vw, 75px); min-height: min(680px, calc(100svh - 138px)); padding-block: clamp(68px, 7vw, 104px) clamp(55px, 6vw, 82px); }
.hero .kicker { border-left: 4px solid var(--coral); padding-left: 14px; }
.hero h1 { margin-top: 36px; font-size: clamp(44px, 4.6vw, 62px); line-height: 1.24; }
.hero h1 span { display: block; white-space: nowrap; }
.hero h1 span + span { margin-top: 6px; font-size: .88em; }
.hero .hero-roles { margin-top: 30px; font-size: 20px; line-height: 1.55; }
.hero .hero-intro { max-width: 610px; margin-top: 20px; line-height: 1.8; }
.hero .hero-actions { align-items: center; gap: 30px; margin-top: 38px; }
.hero .hero-button { min-height: 50px; min-width: 148px; border-color: var(--coral); }
.hero .hero-button-primary { border-color: var(--ink); background: var(--ink); color: #fff; }
.hero .hero-button-primary:hover, .hero .hero-button-primary:focus-visible { border-color: var(--coral); background: var(--coral); color: var(--ink); }
.hero-contact { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 50px; border-bottom: 1px solid var(--ink); font-weight: 700; }
.hero .portrait { width: min(100%, 320px); }
.hero .portrait figcaption { display: flex; justify-content: space-between; margin-top: 12px; font-size: 13px; }
.hero-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; border-top: 1px solid var(--line); padding-block: 19px 24px; color: var(--muted); font-size: 14px; }
.hero-bottom a { display: inline-flex; align-items: center; gap: 18px; white-space: nowrap; }

@media (max-width: 1000px) {
  .site-header .site-nav { gap: 13px; }
  .site-header .site-nav a { font-size: 14px; }
  .hero h1 { font-size: clamp(40px, 4.4vw, 52px); }
}
@media (max-width: 800px) {
  .hero { scroll-margin-top: 68px; }
  .site-header .header-inner { grid-template-columns: 1fr auto; }
  .site-header .menu-button { display: inline-flex; justify-self: end; }
  .site-header .site-nav { justify-self: stretch; }
  .site-header .site-nav.is-open { display: flex; }
  .site-header .mobile-contact { display: inline-flex; gap: 8px; }
  .site-header .header-contact { display: none; }
  .hero .hero-grid { display: flex; flex-direction: column; align-items: stretch; gap: 42px; min-height: 0; padding-block: 72px 56px; }
  .hero h1 { font-size: clamp(35px, 5.8vw, 46px); }
  .hero .portrait { align-self: center; width: min(42%, 260px); }
}
@media (max-width: 560px) {
  .hero .hero-grid { gap: 38px; padding-block: 54px 45px; }
  .hero h1 { margin-top: 28px; font-size: clamp(25px, 7.5vw, 34px); line-height: 1.3; }
  .hero h1 span + span { margin-top: 4px; }
  .hero .hero-roles { margin-top: 24px; font-size: 17px; }
  .hero .hero-intro { margin-top: 16px; font-size: 17px; }
  .hero .hero-actions { gap: 24px; margin-top: 29px; }
  .hero .portrait { width: min(62%, 240px); }
  .hero-bottom { align-items: flex-start; flex-direction: column; gap: 8px; font-size: 13px; }
}

/* Portfolio projects: text beside the related work */
.section-intro h2 { color: var(--coral); font-size: clamp(32px, 3.15vw, 42px); }
.project-layout, .media-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: start; gap: clamp(30px, 4vw, 58px); margin-top: 28px; }
.project-layout > *, .media-grid > * { min-width: 0; }
.project-layout .project-facts, .project-layout .event-facts, .project-layout .support-detail { display: grid; grid-template-columns: 1fr; gap: 18px; margin: 0; }
.project-layout .project-fact, .media-detail .project-fact { padding-top: 0; }
.project-layout .article-list { display: block; max-width: none; margin: 0; }
.project-media .gallery { max-width: none; margin: 0; padding: 10px; }
.project-media .gallery--ppt .image-button { height: auto; aspect-ratio: 1400 / 788; }
.project-media .gallery--event .image-button { height: auto; }
.project-media .gallery--event .image-button img { height: auto; }
.project-media .gallery--card .gallery-slide, .project-media .gallery--poster .gallery-slide { flex-basis: calc((100% - 18px) / 2); }
.project-media .gallery--card .image-button, .project-media .gallery--poster .image-button { height: auto; aspect-ratio: 9 / 16; }
.media-grid .media-detail .project-fact:first-child { margin-top: 0; }
.media-grid .media-detail .metric-group { margin: 24px 0 0; }
.media-grid .media-work { justify-items: center; }
#official-account .media-work .image-button { width: min(calc(50% + 2px), 282px); border: 1px solid rgba(25,25,25,.22); padding: 10px; }
#official-account .media-work .image-button img { width: 100%; height: auto; object-fit: contain; }
.data-screenshot .image-button { border: 1px solid rgba(25,25,25,.22); padding: 10px; }
.lead-event .event-process { margin-top: 34px; }
.lead-event .event-facts { gap: 24px; }
#xiaohongshu .video-player { width: 100%; }
#youtube .video-player { width: min(100%, 250px); }
.footer-contacts > div { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; gap: 3px; }
.footer-contacts > div > span { color: var(--muted); font-size: 14px; }
.footer-contacts button { display: inline-flex; align-items: baseline; flex-wrap: wrap; gap: 12px; max-width: 100%; border: 0; border-bottom: 1px solid var(--ink); padding: 0 0 3px; background: none; color: var(--ink); font: inherit; text-align: left; overflow-wrap: anywhere; cursor: pointer; }
.footer-contacts button:hover { color: var(--coral); border-color: var(--coral); }
.footer-contacts button:focus-visible { outline: 2px solid var(--coral); outline-offset: 4px; }
.footer-contacts button span { color: var(--muted); font-size: 12px; }
.copy-feedback { min-height: 26px; margin-top: 12px; color: var(--muted); font-size: 14px; }
@media (max-width: 960px) {
  .section-intro { grid-template-columns: 1fr; align-items: start; gap: 16px; }
  .section-intro + .project { margin-top: 48px; }
}
@media (max-width: 800px) {
  .site-header .site-nav { max-height: 70svh; overflow-y: auto; overscroll-behavior: contain; }
  .site-nav .nav-group { display: grid; grid-template-columns: minmax(0, 1fr) auto; width: 100%; align-items: center; }
  .site-nav .nav-subtoggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 0; background: transparent; color: var(--ink); cursor: pointer; }
  .site-nav .nav-subtoggle[aria-expanded="true"] span { transform: rotate(180deg); }
  .site-header .site-nav .nav-dropdown { position: static; grid-column: 1 / -1; display: none; width: 100%; max-width: none; padding: 0 0 8px 14px; box-shadow: none; opacity: 1; visibility: visible; pointer-events: auto; }
  .site-header .site-nav .nav-group.is-expanded .nav-dropdown { display: flex; }
  .site-nav .nav-dropdown a { padding: 8px 12px; white-space: normal; }
  .project { scroll-margin-top: 96px; }
  .project-layout, .media-grid { grid-template-columns: 1fr; gap: 26px; }
  .project-media .gallery { max-width: 560px; }
}
@media (max-width: 560px) {
  .section-intro + .project { margin-top: 40px; }
  .project-layout, .media-grid { margin-top: 23px; }
  .project-media .gallery--card .gallery-slide, .project-media .gallery--poster .gallery-slide { flex-basis: 68vw; }
  #official-account .media-work .image-button { width: min(100%, calc(68vw + 22px)); }
  .footer-contacts { flex-direction: column; gap: 18px; }
}

/* Explicit manual video playback */
.video-player { position: relative; }
.video-play-button { position: absolute; z-index: 1; inset: 50% auto auto 50%; transform: translate(-50%, -50%); display: grid; place-items: center; width: 64px; height: 64px; border: 1px solid rgba(255,255,255,.8); border-radius: 50%; background: rgba(25,25,25,.82); color: #fff; font-size: 25px; line-height: 1; cursor: pointer; }
.video-play-button span { margin-left: 4px; }
.video-play-button:hover { background: var(--coral); color: var(--ink); }
.video-play-button:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
.video-play-button[hidden] { display: none; }