:root {
  --ink: #121316;
  --text: #2f3338;
  --muted: #6f7680;
  --line: #e4e6ea;
  --paper: #ffffff;
  --soft: #f5f6f8;
  --red: #d6001c;
  --red-dark: #960013;
  --red-deep: #7e0010;
  --red-soft: #fff2f3;
  --gold: #b8872f;
  --cream: #fbfaf7;
  --max: 1180px;
  --nav-h: 78px;
  --section-y: clamp(66px, 8vw, 112px);
  --soft-shadow: 0 18px 42px rgba(18, 19, 22, .06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: calc(var(--nav-h) + 18px); }
body {
  margin: 0;
  color: var(--text);
  background: var(--cream);
  font: 16px/1.72 -apple-system, BlinkMacSystemFont, "PingFang TC", "PingFang SC", "Microsoft JhengHei", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 0 clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(228, 230, 234, 0.8);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
}

.brand img { width: min(360px, 34vw); height: auto; }
.nav { display: flex; align-items: center; gap: clamp(10px, 1.35vw, 22px); }
.nav a {
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 650;
  white-space: nowrap;
  transition: color .18s ease, transform .18s ease;
}
.nav a:hover { color: var(--red); transform: translateY(-1px); }
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  padding: 2px;
  border: 1px solid var(--line);
  background: #fff;
  flex: 0 0 auto;
}
.lang-switch button {
  min-width: 30px;
  height: 28px;
  padding: 0 8px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
  cursor: pointer;
}
.lang-switch button[aria-pressed="true"] {
  background: var(--red);
  color: #fff;
}
.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: min(720px, calc(100svh - var(--nav-h)));
  display: grid;
  align-items: stretch;
  overflow: hidden;
  background: var(--red);
  color: #fff;
}
.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(126,0,16,.98), rgba(214,0,28,.9) 48%, rgba(242,19,45,.82)),
    radial-gradient(circle at 82% 18%, rgba(255,255,255,.18), transparent 30%),
    linear-gradient(135deg, #b00017, #e1001d 52%, #ba0018);
}
.hero-media:before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.13) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(90deg, rgba(0,0,0,.25) 0, #000 44%, #000 100%);
}
.hero-media:after {
  content: "";
  position: absolute;
  right: -12vw;
  top: -22vw;
  width: 58vw;
  height: 58vw;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.22);
  box-shadow: inset 0 0 0 42px rgba(255,255,255,.04);
}
.hero-visual {
  position: absolute;
  right: clamp(26px, 6vw, 94px);
  top: 50%;
  z-index: 1;
  width: min(42vw, 560px);
  margin: 0;
  transform: translateY(-50%);
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 30px 90px rgba(0,0,0,.42);
  opacity: .9;
}
.hero-visual img,
.visual-pair img[src$=".svg"],
.wide-visual img[src$=".svg"],
.section-visual img[src$=".svg"],
.featured-visuals img[src$=".svg"] {
  background: #fff;
}
.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.city {
  position: absolute;
  width: clamp(130px, 18vw, 260px);
  height: clamp(130px, 18vw, 260px);
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.38);
  border-radius: 50%;
  color: rgba(255,255,255,.72);
  font-size: clamp(28px, 4vw, 54px);
  font-weight: 800;
  letter-spacing: .08em;
}
.city:after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 50%;
}
.city-beijing { right: 26vw; top: 16%; }
.city-hk { right: 9vw; top: 34%; }
.city-macau { right: 20vw; bottom: 12%; }

.hero-copy {
  position: relative;
  z-index: 1;
  width: min(820px, calc(100% - 40px));
  align-self: center;
  margin-left: clamp(20px, 7vw, 96px);
  padding: 72px 0;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 13px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero .eyebrow { color: #ffccd2; }
h1, h2, h3, p { margin: 0; }
h1 {
  font-size: clamp(46px, 6.6vw, 84px);
  line-height: 1.02;
  letter-spacing: 0;
  color: #fff;
}
.hero h1 { text-shadow: 0 8px 28px rgba(126,0,16,.22); }
.lead {
  margin-top: 20px;
  font-size: clamp(26px, 3.2vw, 46px);
  line-height: 1.15;
  font-weight: 750;
}
.summary {
  width: min(680px, 100%);
  margin-top: 22px;
  color: rgba(255,255,255,.9);
  font-size: 18px;
}
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 36px; }
.primary-link,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 3px;
  font-weight: 750;
}
.hero .primary-link { background: #fff; color: var(--red); }
.hero .primary-link:hover { background: #fff4f5; }
.primary-link { background: var(--red); color: #fff; }
.primary-link:hover { background: #f10b2a; }
.text-link { border: 1px solid rgba(255,255,255,.62); color: #fff; }
.text-link:hover { border-color: #fff; }

.section {
  padding: var(--section-y) clamp(20px, 5vw, 72px);
}
.section-head {
  width: min(var(--max), 100%);
  margin-bottom: 38px;
  margin-left: auto;
  margin-right: auto;
}
.section-note {
  width: min(900px, 100%);
  margin-top: 16px;
  color: var(--muted);
}
h2 {
  color: var(--ink);
  font-size: clamp(30px, 3.7vw, 52px);
  line-height: 1.12;
  letter-spacing: 0;
}
h3 {
  color: var(--ink);
  font-size: 22px;
  line-height: 1.28;
}

.intro-grid {
  width: min(var(--max), 100%);
  margin-left: auto;
  margin-right: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: start;
}
.intro-text {
  display: grid;
  gap: 20px;
  color: #383d43;
  font-size: 19px;
}
.facts {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.facts div { padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facts dt { color: var(--muted); font-size: 13px; font-weight: 800; }
.facts dd { margin: 8px 0 0; color: var(--ink); font-size: 22px; font-weight: 800; }

figure { margin: 0; }
.visual-pair,
.slide-gallery,
.featured-visuals {
  width: min(var(--max), 100%);
  margin-left: auto;
  margin-right: auto;
  display: grid;
  gap: 18px;
}
.visual-pair {
  grid-template-columns: 1fr 1fr;
  margin-top: 42px;
}
.wide-visual,
.section-visual {
  width: min(var(--max), 100%);
  margin: 36px auto 0;
}
.visual-pair figure,
.wide-visual,
.section-visual,
.slide-gallery figure,
.featured-visuals figure,
.deck-grid figure {
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
}
.visual-pair img,
.wide-visual img,
.section-visual img,
.slide-gallery img,
.featured-visuals img,
.deck-grid img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #fff;
  transition: transform .24s ease;
}
.visual-pair figure:hover img,
.wide-visual:hover img,
.section-visual:hover img,
.slide-gallery figure:hover img,
.featured-visuals figure:hover img,
.deck-grid figure:hover img {
  transform: scale(1.015);
}

.mission { background: linear-gradient(180deg, #fff 0, var(--red-soft) 100%); }
.mission-list {
  width: min(var(--max), 100%);
  margin-left: auto;
  margin-right: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid rgba(214,0,28,.18);
}
.mission-list article {
  min-height: 260px;
  padding: clamp(26px, 3vw, 42px);
  background: #fff;
  transition: transform .18s ease, box-shadow .18s ease;
}
.mission-list article:hover,
.member-grid article:hover,
.partner-columns div:hover,
.timeline article:hover,
.distribution-grid article:hover,
.org-grid article:hover,
.partner-full-grid article:hover,
.phase-list article:hover {
  transform: translateY(-2px);
  box-shadow: var(--soft-shadow);
  z-index: 1;
}
.mission-list span {
  display: block;
  color: var(--red);
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 26px;
}
.mission-list p { margin-top: 16px; color: var(--muted); }

.synergy {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(260px, 360px) minmax(320px, .88fr);
  gap: clamp(34px, 6vw, 82px);
  align-items: center;
  background:
    linear-gradient(90deg, var(--red-deep), var(--red) 54%, #f7f7f7 54%, #f7f7f7 100%);
  color: rgba(255,255,255,.9);
}
.synergy h2 { color: #fff; }
.synergy h3 { color: var(--ink); }
.synergy-copy { display: grid; gap: 18px; font-size: 18px; }
.focus-panel {
  border-left: 0;
  padding: clamp(24px, 3vw, 34px);
  background: #fff;
  color: var(--text);
  box-shadow: 0 18px 42px rgba(126,0,16,.08);
}
.focus-panel ul { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.focus-panel li { padding-left: 20px; position: relative; }
.focus-panel li:before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  background: var(--red);
}
.dark-visual {
  width: 100%;
  margin: 0;
  border-color: rgba(214,0,28,.16);
  background: #fff;
  box-shadow: 0 18px 42px rgba(126,0,16,.09);
}
.dark-visual img { background: #fff; }

.member-grid,
.partner-columns {
  width: min(var(--max), 100%);
  margin-left: auto;
  margin-right: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.member-grid article,
.partner-columns div {
  background: #fff;
  padding: clamp(24px, 3vw, 36px);
}
.member-grid p,
.partner-columns p { margin-top: 14px; color: var(--muted); }
.member-grid a {
  display: inline-flex;
  margin-top: 24px;
  color: var(--red);
  font-weight: 800;
}
.partner-columns { grid-template-columns: repeat(4, 1fr); }
.brand-strip {
  width: min(var(--max), 100%);
  margin-left: auto;
  margin-right: auto;
  margin-top: 42px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
}
.brand-strip img {
  width: 100%;
  height: 118px;
  object-fit: contain;
  padding: 20px;
  background: var(--red-deep);
}

.activities { background: var(--soft); }
.timeline {
  width: min(var(--max), 100%);
  margin-left: auto;
  margin-right: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.timeline article { background: #fff; padding: 28px; }
.timeline time {
  display: block;
  color: var(--red);
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 14px;
}
.timeline p { color: var(--muted); }

.footer {
  display: grid;
  grid-template-columns: minmax(280px, 520px) minmax(320px, 1fr);
  gap: 50px;
  padding: 46px clamp(20px, 5vw, 72px);
  background: var(--red-deep);
  color: rgba(255,255,255,.82);
}
.footer img { width: min(520px, 100%); margin-bottom: 18px; }
.footer address { display: grid; gap: 10px; font-style: normal; align-self: end; }
.footer a { color: #fff; text-decoration: underline; text-underline-offset: 4px; }

.archive {
  background:
    linear-gradient(180deg, #fff 0, #fff 220px, var(--cream) 220px);
  border-top: 1px solid var(--line);
}
.archive-gateway {
  background: linear-gradient(180deg, #fff 0, #fff7f7 100%);
  border-top: 1px solid var(--line);
}
.archive-gateway .section-head { margin-bottom: 32px; }
.gateway-head {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(300px, .7fr);
  gap: clamp(24px, 6vw, 84px);
  align-items: end;
}
.gateway-layout {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(390px, .95fr) minmax(0, 1.05fr);
  gap: 1px;
  background: rgba(214,0,28,.18);
  border: 1px solid rgba(214,0,28,.18);
}
.gateway-feature,
.gateway-links a {
  background: #fff;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.gateway-feature {
  position: relative;
  display: grid;
  min-height: 430px;
  overflow: hidden;
  color: #fff;
}
.gateway-feature img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gateway-feature:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(126,0,16,.08) 20%, rgba(126,0,16,.88));
}
.gateway-feature span,
.gateway-feature strong {
  position: absolute;
  left: 30px;
  right: 30px;
  z-index: 1;
}
.gateway-feature span {
  bottom: 88px;
  color: #fff2f3;
  font-size: 14px;
  font-weight: 850;
}
.gateway-feature strong {
  bottom: 30px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.15;
}
.gateway-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(214,0,28,.18);
}
.gateway-links a {
  min-height: 142px;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: clamp(22px, 3vw, 30px);
  cursor: pointer;
}
.gateway-links span {
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
}
.gateway-links strong {
  color: var(--ink);
  font-size: 22px;
  line-height: 1.22;
}
.gateway-links em {
  color: var(--muted);
  font-style: normal;
}
.gateway-feature:hover,
.gateway-links a:hover,
.download-links a:hover,
.vector-grid a:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(18, 19, 22, .08);
  z-index: 1;
}
.archive-toc {
  width: min(var(--max), 100%);
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 42px;
  padding: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.86);
}
.featured-visuals {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .925fr) minmax(0, .925fr);
  margin-bottom: 54px;
  align-items: stretch;
}
.featured-visuals figure:first-child {
  grid-row: span 2;
}
.featured-visuals figure:first-child img {
  height: 100%;
  min-height: 360px;
}
.archive-toc a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(214, 0, 28, .16);
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
}
.archive-toc a:hover {
  border-color: var(--red);
  color: var(--red);
}
.archive-block {
  width: min(var(--max), 100%);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
  padding: clamp(52px, 7vw, 86px) 0;
  border-top: 1px solid rgba(18, 19, 22, .1);
  background: transparent;
}
.archive-block > h3 {
  margin-bottom: 30px;
  font-size: clamp(26px, 3vw, 40px);
  position: relative;
  padding-left: 18px;
}
.archive-block > h3:before {
  content: "";
  position: absolute;
  left: 0;
  top: .18em;
  bottom: .18em;
  width: 4px;
  background: var(--red);
}
.archive-block > p {
  width: min(1100px, 100%);
  color: #3d4249;
  font-size: 18px;
}
.profile-page .section-head {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(320px, .72fr);
  gap: clamp(24px, 6vw, 84px);
  align-items: end;
  margin-bottom: 28px;
}
.profile-page .section-head .eyebrow,
.profile-page .section-head h2 { grid-column: 1; }
.profile-page .section-head .section-note {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin-top: 0;
}
.archive-image {
  margin-top: 28px;
}
.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}
.two-col p + p { margin-top: 14px; }
.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.keyword-cloud li {
  padding: 9px 13px;
  background: #151515;
  color: #fff;
  font-weight: 800;
  border-radius: 3px;
}
.distribution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.distribution-grid article,
.org-grid article,
.partner-full-grid article,
.phase-list article {
  background: #fff;
  padding: clamp(22px, 3vw, 32px);
  transition: transform .18s ease, box-shadow .18s ease;
}
.distribution-grid h4,
.org-grid h4,
.partner-full-grid h4,
.phase-list h4 {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 20px;
}
.distribution-grid dl {
  margin: 0;
  display: grid;
  gap: 10px;
}
.distribution-grid dl div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.distribution-grid dt { color: var(--muted); font-weight: 700; }
.distribution-grid dd {
  margin: 0;
  color: var(--red);
  font-weight: 900;
}
.org-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  margin-bottom: 18px;
  background: var(--line);
  border: 1px solid var(--line);
}
.org-grid p { color: var(--muted); }
.archive-brands { margin: 0 0 20px; }
.brand-gallery {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 26px;
}
.slide-gallery {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 32px;
}
.activity-gallery,
.forum-gallery,
.awards-gallery {
  grid-template-columns: repeat(2, 1fr);
}
.full-deck {
  margin-top: 26px;
  border: 1px solid var(--line);
  background: #fff;
}
.full-deck summary {
  display: flex;
  align-items: center;
  min-height: 58px;
  padding: 0 22px;
  color: var(--ink);
  cursor: pointer;
  font-weight: 850;
}
.deck-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 18px;
  border-top: 1px solid var(--line);
  background: var(--cream);
}
.deck-grid figure {
  position: relative;
}
.deck-grid figcaption {
  position: absolute;
  left: 10px;
  bottom: 10px;
  display: grid;
  place-items: center;
  min-width: 30px;
  height: 24px;
  padding: 0 8px;
  background: rgba(0,0,0,.72);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}
.partner-full-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.partner-full-grid ul,
.phase-list ul {
  margin: 0;
  padding-left: 18px;
  color: #4c535c;
  line-height: 1.68;
}
.partner-full-grid li,
.phase-list li { margin: 7px 0; }
.phase-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.profile-page .distribution-grid,
.profile-page .org-grid,
.profile-page .partner-full-grid,
.profile-page .phase-list,
.profile-page .download-links {
  box-shadow: 0 1px 0 rgba(18, 19, 22, .03);
}
.profile-page .distribution-grid article,
.profile-page .org-grid article,
.profile-page .partner-full-grid article,
.profile-page .phase-list article {
  padding: clamp(26px, 3.2vw, 40px);
}
.profile-page .slide-gallery figure,
.profile-page .wide-visual,
.profile-page .featured-visuals figure {
  box-shadow: 0 12px 32px rgba(18, 19, 22, .05);
}
.profile-page .slide-gallery img,
.profile-page .wide-visual img {
  padding: clamp(8px, 1.3vw, 16px);
}
.profile-page .activity-gallery,
.profile-page .forum-gallery,
.profile-page .awards-gallery {
  gap: 18px;
  background: transparent;
  border: 0;
}
.profile-page .activity-gallery figure,
.profile-page .forum-gallery figure,
.profile-page .awards-gallery figure {
  border-color: rgba(18, 19, 22, .12);
}
.downloads-block p { margin-bottom: 24px; }
.download-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.download-links a {
  min-height: 120px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 26px;
  background: #fff;
}
.download-links strong {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.25;
}
.download-links span {
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
}
.vector-page h1 {
  color: var(--ink);
  font-size: clamp(44px, 5vw, 72px);
  line-height: 1.05;
}
.vector-hero {
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.vector-grid-section {
  padding-top: clamp(38px, 5vw, 72px);
}
.vector-grid {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.vector-grid a {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  background: #fff;
  transition: transform .18s ease, box-shadow .18s ease;
}
.vector-grid img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #fff;
  border: 1px solid rgba(18, 19, 22, .06);
}
.vector-grid strong {
  color: var(--ink);
  font-size: 16px;
}

@media (max-width: 1080px) {
  .brand img { width: min(320px, 42vw); }
  .nav { gap: 12px; }
  .nav a { font-size: 12.5px; }
  .mission-list, .member-grid, .timeline { grid-template-columns: 1fr 1fr; }
  .partner-columns { grid-template-columns: 1fr 1fr; }
  .synergy {
    grid-template-columns: 1fr 1fr;
    background:
      linear-gradient(180deg, var(--red-deep), var(--red) 52%, #f7f7f7 52%, #f7f7f7 100%);
  }
  .dark-visual { grid-column: 1 / -1; }
  .hero-visual { opacity: .32; right: -80px; width: 54vw; }
  .gateway-layout { grid-template-columns: 1fr; }
  .gateway-feature { min-height: 380px; }
  .download-links { grid-template-columns: 1fr 1fr; }
  .profile-page .section-head { grid-template-columns: 1fr; }
  .profile-page .section-head .section-note {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-width: 820px) {
  :root { --nav-h: 68px; }
  .site-header { padding: 0 16px; }
  .brand img { width: min(250px, 66vw); }
  .menu-toggle {
    display: inline-grid;
    gap: 5px;
    width: 42px;
    height: 42px;
    place-content: center;
    border: 0;
    background: transparent;
  }
  .menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--ink);
  }
  .nav {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--nav-h);
    display: none;
    padding: 12px 20px 22px;
    border-bottom: 1px solid var(--line);
    background: #fff;
  }
  .nav.open { display: grid; gap: 10px; }
  .nav a { min-height: 42px; display: flex; align-items: center; }
  .lang-switch {
    width: fit-content;
    margin-top: 4px;
  }
  .hero {
    min-height: calc(100svh - var(--nav-h));
  }
  .hero-copy { margin: 0 auto; padding: 50px 0; }
  .hero-visual {
    right: -120px;
    width: 86vw;
    opacity: .22;
  }
  .hero-media:before { mask-image: none; opacity: .4; }
  .city { opacity: .46; }
  .city-beijing { right: -24px; top: 10%; }
  .city-hk { right: 10vw; top: 45%; }
  .city-macau { right: -42px; bottom: 4%; }
  .summary { font-size: 16px; }
  .section { padding: 54px 18px; }
  .archive-block {
    padding: 40px 0;
    margin-bottom: 0;
  }
  .archive-toc {
    gap: 8px;
    margin-bottom: 22px;
    padding: 10px;
  }
  .archive-toc a {
    min-height: 34px;
    padding: 0 10px;
    font-size: 13px;
  }
  .intro-grid,
  .synergy,
  .footer,
  .two-col,
  .gateway-head { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .mission-list,
  .member-grid,
  .partner-columns,
  .timeline,
  .brand-strip,
  .visual-pair,
  .featured-visuals,
  .slide-gallery,
  .deck-grid,
  .gateway-links,
  .download-links,
  .vector-grid,
  .distribution-grid,
  .org-grid,
  .partner-full-grid { grid-template-columns: 1fr; }
  .featured-visuals figure:first-child {
    grid-row: auto;
  }
  .featured-visuals figure:first-child img {
    min-height: 0;
  }
  .dark-visual { grid-column: auto; }
  .synergy {
    background:
      linear-gradient(180deg, var(--red-deep), var(--red) 58%, #f7f7f7 58%, #f7f7f7 100%);
  }
  .mission-list article { min-height: 0; }
  .brand-strip img { height: 92px; }
  .gateway-feature { min-height: 320px; }
  .gateway-links a,
  .download-links a { min-height: 0; }
  .profile-page .slide-gallery img,
  .profile-page .wide-visual img {
    padding: 8px;
  }
}