:root {
  --ink: #152522;
  --green-950: #09211f;
  --green-900: #0e2e2a;
  --green-800: #17423b;
  --green-700: #24564d;
  --paper: #f4efe5;
  --paper-deep: #e8decf;
  --white: #fffdf8;
  --red: #a23b2e;
  --red-deep: #72241e;
  --gold: #b8955b;
  --muted: #68716c;
  --hairline: rgba(21, 37, 34, 0.14);
  --serif: "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --shadow: 0 24px 80px rgba(3, 19, 17, 0.18);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--green-950);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--green-950);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-locked {
  overflow: hidden;
}

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-shell {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  overflow: hidden;
  background: var(--paper);
}

.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 3px;
  pointer-events: none;
}

.reading-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #d7b876, #bd4b3d);
  transform: scaleX(0);
  transform-origin: left;
}

.hero {
  position: relative;
  min-height: 100svh;
  color: var(--white);
  isolation: isolate;
  background: #1a2c29;
}

.hero__image,
.hero__veil {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__image {
  z-index: -3;
  object-fit: cover;
  object-position: 48% 44%;
  filter: saturate(0.8) contrast(1.03);
  animation: hero-arrive 1.8s cubic-bezier(0.2, 0.68, 0.18, 1) both;
}

.hero__veil {
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(5, 24, 22, 0.6) 0%, rgba(7, 26, 23, 0.08) 28%, rgba(7, 26, 23, 0.24) 50%, rgba(5, 22, 20, 0.93) 100%),
    linear-gradient(90deg, rgba(8, 32, 28, 0.3), transparent 62%);
}

.hero::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: 135px;
  z-index: -1;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(255, 255, 255, 0.035), 0 0 0 74px rgba(255, 255, 255, 0.025);
}

.topbar {
  position: absolute;
  inset: 0 0 auto;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(20px, env(safe-area-inset-top)) 22px 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand__seal,
.footer__seal {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  color: var(--white);
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.08em;
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.brand__text {
  display: grid;
  gap: 2px;
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.brand__text small {
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--sans);
  font-size: 7px;
  letter-spacing: 0.2em;
}

.menu-button {
  display: grid;
  width: 44px;
  height: 44px;
  padding: 13px 10px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  place-content: center;
  gap: 6px;
  background: rgba(5, 24, 22, 0.2);
  backdrop-filter: blur(10px);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--white);
}

.menu-button span:last-child {
  width: 12px;
  margin-left: auto;
}

.hero__copy {
  position: absolute;
  right: 22px;
  bottom: 98px;
  left: 22px;
  z-index: 1;
}

.hero__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 11px;
  letter-spacing: 0.15em;
}

.hero__kicker span {
  padding: 4px 7px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #f5d99f;
  font-size: 9px;
  letter-spacing: 0.16em;
}

.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(52px, 15vw, 72px);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 0.98;
  text-shadow: 0 5px 24px rgba(0, 0, 0, 0.34);
}

.hero h1 em {
  display: inline-block;
  margin-top: 10px;
  color: #e5c78d;
  font-size: 0.7em;
  font-style: normal;
  letter-spacing: 0.28em;
}

.hero__rule {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0 14px;
}

.hero__rule span {
  width: 50px;
  height: 1px;
  background: #d3b26e;
}

.hero__rule b {
  color: rgba(255, 255, 255, 0.68);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.28em;
}

.hero__lead {
  margin: 0;
  color: rgba(255, 255, 255, 0.83);
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0.08em;
  line-height: 1.85;
}

.scroll-cue {
  position: absolute;
  right: 19px;
  bottom: 92px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 9px;
  letter-spacing: 0.16em;
  writing-mode: vertical-rl;
}

.scroll-cue svg {
  width: 14px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
  animation: cue 1.6s ease-in-out infinite;
}

.section {
  position: relative;
  padding: 86px 22px;
}

.section-heading {
  position: relative;
  z-index: 1;
  margin-bottom: 34px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--green-700);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.24em;
}

.eyebrow span {
  display: inline-grid;
  min-width: 27px;
  height: 19px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 8px;
  letter-spacing: 0;
}

.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(36px, 10.2vw, 48px);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.22;
}

.section-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.intro {
  background:
    radial-gradient(circle at 100% 5%, rgba(168, 141, 96, 0.15), transparent 23%),
    linear-gradient(var(--paper), var(--paper));
}

.intro::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.45;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='90' viewBox='0 0 90 90'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
}

.lead-copy {
  position: relative;
  margin: 0 0 34px;
  padding-left: 18px;
  color: #34433f;
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.03em;
  line-height: 2;
}

.lead-copy::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 0;
  width: 2px;
  background: var(--red);
}

.lead-copy strong {
  color: var(--red-deep);
  font-weight: 600;
}

.stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 38px;
  padding: 20px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.stat {
  display: grid;
  min-width: 0;
  text-align: center;
}

.stat + .stat {
  border-left: 1px solid var(--hairline);
}

.stat strong {
  color: var(--green-800);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
  font-weight: 400;
  letter-spacing: -0.03em;
}

.stat span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.photo-frame {
  position: relative;
  z-index: 1;
  margin: 0;
}

.photo-button,
.activity-card > button {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: transparent;
}

.photo-button {
  aspect-ratio: 4 / 4.6;
  clip-path: polygon(0 0, 89% 0, 100% 10%, 100% 100%, 0 100%);
}

.photo-button img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.65s ease;
}

.photo-button:active img {
  transform: scale(1.03);
}

.photo-button__icon {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  color: var(--white);
  background: rgba(8, 33, 30, 0.42);
  backdrop-filter: blur(8px);
}

.photo-frame figcaption {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding-top: 14px;
}

.photo-frame figcaption span {
  color: var(--red);
  font-family: var(--serif);
  font-size: 21px;
}

.photo-frame figcaption b {
  max-width: 150px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.6;
  text-align: right;
}

.mission-card {
  position: relative;
  z-index: 1;
  margin: 54px -22px -86px;
  padding: 48px 22px 62px;
  color: rgba(255, 255, 255, 0.78);
  background:
    radial-gradient(circle at 100% 0, rgba(176, 148, 91, 0.22), transparent 31%),
    var(--green-900);
}

.mission-card::after {
  content: "商会";
  position: absolute;
  right: -2px;
  bottom: -19px;
  color: rgba(255, 255, 255, 0.035);
  font-family: var(--serif);
  font-size: 110px;
  line-height: 1;
}

.mission-card__label {
  margin: 0 0 28px;
  color: #d7b979;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.1em;
}

.mission-card ul {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mission-card li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 19px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.mission-card li > span {
  padding-top: 3px;
  color: rgba(255, 255, 255, 0.37);
  font-family: Georgia, serif;
  font-size: 11px;
}

.mission-card li p {
  margin: 0;
  font-size: 12px;
  line-height: 1.75;
}

.mission-card li b {
  display: block;
  margin-bottom: 5px;
  color: var(--white);
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.members {
  padding-right: 0;
  padding-left: 0;
  background: #e9e2d5;
}

.members > .section-heading,
.industry-map {
  margin-right: 22px;
  margin-left: 22px;
}

.member-track {
  display: flex;
  gap: 12px;
  width: 100%;
  padding: 0 22px 10px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.member-track::-webkit-scrollbar,
.activity-track::-webkit-scrollbar {
  display: none;
}

.member-card {
  position: relative;
  flex: 0 0 min(78vw, 352px);
  aspect-ratio: 0.86;
  padding: 24px;
  overflow: hidden;
  scroll-snap-align: center;
  color: var(--white);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.08), transparent 42%),
    var(--green-800);
}

.member-card:nth-child(3n + 2) {
  background-color: #263b36;
}

.member-card:nth-child(3n) {
  color: var(--ink);
  background-color: #d8c8ad;
}

.member-card::after {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -90px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 50%;
  box-shadow: 0 0 0 28px rgba(255, 255, 255, 0.04);
}

.member-card:nth-child(3n)::after {
  border-color: rgba(21, 37, 34, 0.17);
  box-shadow: 0 0 0 28px rgba(21, 37, 34, 0.035);
}

.member-card__top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.member-card__top span {
  padding: 5px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0.1em;
}

.member-card__top small {
  opacity: 0.55;
  font-family: Georgia, serif;
  font-size: 9px;
  letter-spacing: 0.09em;
}

.member-card__name {
  position: absolute;
  top: 50%;
  left: 24px;
  z-index: 1;
  transform: translateY(-52%);
}

.member-card__name i {
  position: absolute;
  top: 50%;
  left: -8px;
  color: rgba(255, 255, 255, 0.08);
  font-family: var(--serif);
  font-size: 150px;
  font-style: normal;
  line-height: 1;
  transform: translateY(-50%);
}

.member-card:nth-child(3n) .member-card__name i {
  color: rgba(21, 37, 34, 0.08);
}

.member-card__name h3 {
  position: relative;
  margin: 0;
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.member-card > p {
  position: absolute;
  right: 24px;
  bottom: 22px;
  left: 24px;
  z-index: 1;
  margin: 0;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.6;
}

.member-card:nth-child(3n) > p {
  border-color: rgba(21, 37, 34, 0.18);
}

.leadership-mosaic {
  display: grid;
  grid-auto-rows: 150px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 10px;
  padding: 0 22px 10px;
}

.leadership-card {
  position: relative;
  min-width: 0;
  height: auto;
  margin: 0;
  padding: 14px;
  overflow: hidden;
  border: 1px solid rgba(21, 37, 34, 0.13);
  color: var(--ink);
  background: #f8f2e7;
}

.leadership-card:nth-child(odd):not(.leadership-card--chair) {
  transform: translateY(7px);
}

.leadership-card::after {
  content: "";
  position: absolute;
  right: -48px;
  bottom: -58px;
  width: 145px;
  height: 145px;
  border: 1px solid rgba(21, 37, 34, 0.13);
  border-radius: 50%;
  box-shadow: 0 0 0 17px rgba(21, 37, 34, 0.035);
}

.leadership-card--chair {
  grid-row: span 2;
  padding: 20px;
  color: var(--white);
  background:
    radial-gradient(circle at 100% 0, rgba(199, 160, 89, 0.24), transparent 42%),
    var(--green-800);
}

.leadership-card--chair::after {
  right: -82px;
  bottom: -88px;
  width: 235px;
  height: 235px;
  border-color: rgba(255, 255, 255, 0.19);
  box-shadow: 0 0 0 27px rgba(255, 255, 255, 0.04);
}

.leadership-card--executive {
  background: #d4c09d;
}

.leadership-card--executive:nth-child(4n + 1) {
  color: var(--white);
  background: #2b4d44;
}

.leadership-card--vice:nth-child(4n + 1) {
  color: var(--white);
  border-color: transparent;
  background: #24564d;
}

.leadership-card--vice:nth-child(4n + 2) {
  color: var(--white);
  border-color: transparent;
  background: #30423d;
}

.leadership-card--monitor {
  color: var(--white);
  border-color: transparent;
  background: var(--red-deep);
}

.leadership-card__meta {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.leadership-card__meta span {
  padding: 4px 7px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 8px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.leadership-card__meta small {
  opacity: 0.52;
  font-family: Georgia, serif;
  font-size: 9px;
}

.leadership-card__person {
  position: absolute;
  top: 52%;
  left: 14px;
  z-index: 1;
  transform: translateY(-50%);
}

.leadership-card__person i {
  position: absolute;
  top: 50%;
  left: -5px;
  color: rgba(21, 37, 34, 0.09);
  font-family: var(--serif);
  font-size: 84px;
  font-style: normal;
  line-height: 1;
  transform: translateY(-50%);
}

.leadership-card--chair .leadership-card__person {
  top: 53%;
  left: 20px;
}

.leadership-card--chair .leadership-card__person i {
  left: -10px;
  color: rgba(255, 255, 255, 0.1);
  font-size: 165px;
}

.leadership-card--vice:nth-child(4n + 1) .leadership-card__person i,
.leadership-card--vice:nth-child(4n + 2) .leadership-card__person i,
.leadership-card--monitor .leadership-card__person i,
.leadership-card--executive:nth-child(4n + 1) .leadership-card__person i,
.leadership-card--chair .leadership-card__person i {
  color: rgba(255, 255, 255, 0.1);
}

.leadership-card__person h3 {
  position: relative;
  margin: 0;
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1.1;
  white-space: nowrap;
}

.leadership-card--chair .leadership-card__person h3 {
  font-size: 46px;
  letter-spacing: 0.13em;
}

.leadership-card > p {
  position: absolute;
  right: 14px;
  bottom: 12px;
  left: 14px;
  z-index: 1;
  min-height: 26px;
  margin: 0;
  padding-top: 8px;
  border-top: 1px solid rgba(21, 37, 34, 0.18);
  font-size: 9px;
  letter-spacing: 0.02em;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.leadership-card--chair > p {
  right: 20px;
  bottom: 18px;
  left: 20px;
  font-size: 11px;
  border-color: rgba(255, 255, 255, 0.22);
}

.leadership-card--vice:nth-child(4n + 1) > p,
.leadership-card--vice:nth-child(4n + 2) > p,
.leadership-card--monitor > p,
.leadership-card--executive:nth-child(4n + 1) > p {
  border-color: rgba(255, 255, 255, 0.2);
}

.leadership-card .is-pending {
  color: rgba(21, 37, 34, 0.55);
}

.leadership-card--chair .is-pending,
.leadership-card--vice:nth-child(4n + 1) .is-pending,
.leadership-card--vice:nth-child(4n + 2) .is-pending,
.leadership-card--monitor .is-pending,
.leadership-card--executive:nth-child(4n + 1) .is-pending {
  color: rgba(255, 255, 255, 0.55);
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 22px 0;
}

.carousel-progress {
  width: 112px;
  height: 2px;
  background: rgba(21, 37, 34, 0.16);
}

.carousel-progress span {
  display: block;
  width: calc(100% / 6);
  height: 100%;
  background: var(--red);
  transform: translateX(0);
  transition: transform 0.25s ease;
}

.carousel-controls > div:last-child,
.activity-nav > div {
  display: flex;
  gap: 7px;
}

.carousel-controls button,
.activity-nav button {
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(21, 37, 34, 0.2);
  border-radius: 50%;
  background: transparent;
}

.industry-map {
  margin-top: 64px;
  padding-top: 26px;
  border-top: 1px solid rgba(21, 37, 34, 0.18);
}

.industry-map > p {
  margin: 0 0 20px;
  color: var(--red-deep);
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.08em;
}

.industry-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.industry-cloud span {
  padding: 8px 11px;
  border: 1px solid rgba(21, 37, 34, 0.17);
  border-radius: 999px;
  color: #46514e;
  background: rgba(255, 255, 255, 0.24);
  font-size: 10px;
  letter-spacing: 0.05em;
}

.industry-cloud span:nth-child(3n + 1) {
  color: var(--white);
  border-color: var(--green-700);
  background: var(--green-700);
}

.industry-map__foot {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-top: 30px;
}

.industry-map__foot strong {
  color: var(--red-deep);
  font-family: Georgia, serif;
  font-size: 68px;
  font-weight: 400;
  line-height: 0.78;
}

.industry-map__foot span {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.7;
}

.directory-entry {
  display: flex;
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 36px;
  padding: 17px 18px;
  color: var(--white);
  background: var(--green-900);
  box-shadow: 0 14px 35px rgba(14, 46, 42, 0.16);
}

.directory-entry > span {
  display: grid;
  gap: 4px;
}

.directory-entry small {
  color: #d6b878;
  font-size: 7px;
  letter-spacing: 0.18em;
}

.directory-entry b {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.directory-entry em {
  color: rgba(255, 255, 255, 0.45);
  font-size: 8px;
  font-style: normal;
  letter-spacing: 0.04em;
}

.directory-entry > i {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 50%;
  font-size: 18px;
  font-style: normal;
}

.activities {
  padding-right: 0;
  padding-left: 0;
  color: var(--white);
  background:
    radial-gradient(circle at 0 28%, rgba(191, 67, 52, 0.17), transparent 24%),
    var(--green-950);
}

.activities > .section-heading {
  margin-right: 22px;
  margin-left: 22px;
}

.section-heading--light h2 {
  color: var(--white);
}

.section-heading--light .eyebrow {
  color: #d6b978;
}

.section-heading--light .section-note {
  color: rgba(255, 255, 255, 0.48);
}

.activity-track {
  display: flex;
  gap: 14px;
  padding: 0 22px 12px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.activity-card {
  flex: 0 0 min(82vw, 370px);
  scroll-snap-align: center;
}

.activity-card > button {
  aspect-ratio: 0.86;
  background: #17322e;
}

.activity-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s ease;
}

.activity-card:nth-child(1) img {
  object-position: 53% center;
}

.activity-card:nth-child(2) img {
  object-position: center;
}

.activity-card:nth-child(5) img {
  object-position: 50% center;
}

.activity-card > button::after {
  content: "查看照片  ↗";
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 8px 10px;
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  background: rgba(5, 25, 22, 0.48);
  backdrop-filter: blur(8px);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.activity-card__copy {
  padding: 19px 2px 0;
}

.activity-card__copy span {
  color: #d7b878;
  font-family: Georgia, serif;
  font-size: 11px;
  letter-spacing: 0.11em;
}

.activity-card__copy h3 {
  margin: 7px 0 9px;
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.activity-card__copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
  line-height: 1.75;
}

.activity-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 22px 0;
}

.activity-nav p {
  margin: 0;
  color: rgba(255, 255, 255, 0.38);
  font-family: Georgia, serif;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.activity-nav p span {
  color: #d7b878;
  font-size: 24px;
}

.activity-nav button {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.22);
}

.gallery-entry {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 54px;
  margin: 58px 22px 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--white);
  background: rgba(255, 255, 255, 0.045);
}

.gallery-entry__images {
  display: grid;
  height: 116px;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
}

.gallery-entry__images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-entry__copy {
  display: grid;
  gap: 5px;
  padding: 17px 18px 19px;
}

.gallery-entry__copy small {
  color: #d7b878;
  font-size: 7px;
  letter-spacing: 0.18em;
}

.gallery-entry__copy b {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.07em;
}

.gallery-entry__copy em {
  color: rgba(255, 255, 255, 0.4);
  font-size: 8px;
  font-style: normal;
}

.gallery-entry > i {
  display: grid;
  width: 38px;
  height: 38px;
  align-self: center;
  justify-self: center;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  font-size: 17px;
  font-style: normal;
}

.wide-photo {
  position: relative;
  margin: 76px 0 -86px;
  min-height: 470px;
  overflow: hidden;
}

.wide-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5, 24, 22, 0.94));
}

.wide-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.wide-photo figcaption {
  position: absolute;
  right: 22px;
  bottom: 48px;
  left: 22px;
  z-index: 1;
  display: grid;
  gap: 8px;
}

.wide-photo figcaption span {
  color: #d8ba79;
  font-family: var(--serif);
  font-size: 25px;
  letter-spacing: 0.06em;
}

.wide-photo figcaption b {
  color: rgba(255, 255, 255, 0.62);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.invitation {
  overflow: hidden;
  background:
    linear-gradient(90deg, transparent 0 96%, rgba(162, 59, 46, 0.15) 96% 96.3%, transparent 96.3%),
    radial-gradient(circle at 110% 10%, rgba(162, 59, 46, 0.14), transparent 30%),
    #f1e9dd;
}

.invitation__ornament {
  position: absolute;
  top: 84px;
  right: -14px;
  color: rgba(157, 55, 43, 0.06);
  font-family: var(--serif);
  font-size: 88px;
  line-height: 0.92;
}

.letter {
  position: relative;
  padding: 31px 25px 34px;
  color: #353d39;
  background:
    linear-gradient(90deg, rgba(116, 81, 46, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(116, 81, 46, 0.025) 1px, transparent 1px),
    #fffdf8;
  background-size: 22px 22px;
  box-shadow: 0 20px 60px rgba(56, 40, 22, 0.12);
}

.letter::before,
.letter::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
}

.letter::before {
  top: 8px;
  left: 8px;
  border-top: 1px solid var(--red);
  border-left: 1px solid var(--red);
}

.letter::after {
  right: 8px;
  bottom: 8px;
  border-right: 1px solid var(--red);
  border-bottom: 1px solid var(--red);
}

.letter__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 32px;
  padding-bottom: 21px;
  border-bottom: 1px solid rgba(21, 37, 34, 0.12);
}

.letter__head p {
  margin: 3px 0 0;
  color: var(--red-deep);
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.06em;
}

.letter__head span {
  display: grid;
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  place-items: center;
  border: 2px solid var(--red);
  color: var(--red);
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.15;
  text-align: center;
  transform: rotate(-4deg);
}

.letter > p {
  margin: 0 0 17px;
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.025em;
  line-height: 1.95;
  text-align: justify;
}

.letter blockquote {
  position: relative;
  margin: 25px 0;
  padding: 20px 17px;
  color: var(--green-800);
  border-top: 1px solid rgba(162, 59, 46, 0.25);
  border-bottom: 1px solid rgba(162, 59, 46, 0.25);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.9;
}

.letter blockquote::before {
  content: "企业家心声";
  position: absolute;
  top: -10px;
  left: 5px;
  padding: 1px 8px;
  color: var(--red);
  background: #fffdf8;
  font-family: var(--sans);
  font-size: 8px;
  letter-spacing: 0.12em;
  line-height: 1.4;
}

.letter blockquote span {
  display: block;
  margin-top: 10px;
  color: #8b7967;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-align: right;
}

.letter__sign {
  display: grid;
  justify-content: end;
  gap: 4px;
  margin-top: 34px;
  color: var(--red-deep);
  font-family: var(--serif);
  text-align: right;
}

.letter__sign span {
  font-size: 17px;
  letter-spacing: 0.08em;
}

.letter__sign b {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2em;
}

.values {
  margin-top: 54px;
  border-top: 1px solid rgba(21, 37, 34, 0.16);
}

.values > div {
  display: grid;
  grid-template-columns: 50px 1fr;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(21, 37, 34, 0.16);
}

.values > div > span {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  border: 1px solid rgba(162, 59, 46, 0.46);
  border-radius: 50%;
  color: var(--red);
  font-family: var(--serif);
  font-size: 19px;
}

.values p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.values b {
  display: block;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
}

.join-guide {
  margin-top: 44px;
  border-top: 1px solid rgba(21, 37, 34, 0.2);
  border-bottom: 1px solid rgba(21, 37, 34, 0.2);
}

.join-guide summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 0.06em;
}

.join-guide summary::-webkit-details-marker {
  display: none;
}

.join-guide summary i {
  color: var(--red);
  font-family: var(--sans);
  font-size: 20px;
  font-style: normal;
  font-weight: 300;
  transition: transform 0.25s ease;
}

.join-guide[open] summary i {
  transform: rotate(45deg);
}

.join-guide > div {
  padding: 0 0 23px;
}

.join-guide > div > p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

.join-guide ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.join-guide li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 9px;
  padding: 10px 0;
  color: #49524e;
  font-size: 12px;
}

.join-guide li span {
  color: var(--red);
  font-family: Georgia, serif;
  font-size: 10px;
}

.accept-button,
.accept-dialog > button:not(.dialog-close) {
  display: flex;
  width: 100%;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  margin-top: 38px;
  padding: 0 22px;
  border: 0;
  color: var(--white);
  background: var(--red-deep);
  box-shadow: 0 14px 30px rgba(114, 36, 30, 0.2);
}

.accept-button span,
.accept-dialog > button:not(.dialog-close) span {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.1em;
}

.accept-button i,
.accept-dialog > button:not(.dialog-close) i {
  font-size: 21px;
  font-style: normal;
  font-weight: 300;
}

.accept-note {
  margin: 10px 0 0;
  color: #8b8278;
  font-size: 9px;
  letter-spacing: 0.11em;
  text-align: center;
}

.footer {
  display: grid;
  min-height: 410px;
  padding: 76px 22px 115px;
  place-items: center;
  align-content: center;
  color: rgba(255, 255, 255, 0.76);
  background:
    radial-gradient(circle at 50% 50%, rgba(183, 149, 90, 0.12), transparent 35%),
    var(--green-950);
  text-align: center;
}

.footer__seal {
  width: 62px;
  height: 62px;
  margin-bottom: 22px;
  font-size: 17px;
  box-shadow: inset 0 0 0 5px rgba(255, 255, 255, 0.06);
}

.footer p {
  margin: 0 0 9px;
  color: var(--white);
  font-family: var(--serif);
  font-size: 23px;
  letter-spacing: 0.12em;
}

.footer > span {
  color: rgba(255, 255, 255, 0.37);
  font-size: 9px;
  letter-spacing: 0.24em;
}

.footer strong {
  margin-top: 44px;
  color: #d4b676;
  font-family: Georgia, serif;
  font-size: 33px;
  font-weight: 400;
  letter-spacing: 0.2em;
}

.bottom-nav {
  position: fixed;
  right: 12px;
  bottom: max(12px, env(safe-area-inset-bottom));
  left: 12px;
  z-index: 50;
  display: grid;
  max-width: 444px;
  min-height: 62px;
  grid-template-columns: 54px 54px 54px 1fr;
  margin: 0 auto;
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 18px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(8, 31, 28, 0.9);
  box-shadow: 0 16px 45px rgba(3, 16, 14, 0.32);
  backdrop-filter: blur(18px);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.bottom-nav.is-hidden {
  pointer-events: none;
  opacity: 0;
  transform: translateY(95px);
}

.bottom-nav > a:not(.bottom-nav__cta) {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 2px;
}

.bottom-nav > a span {
  font-size: 11px;
}

.bottom-nav > a small {
  color: rgba(255, 255, 255, 0.3);
  font-size: 6px;
  letter-spacing: 0.12em;
}

.bottom-nav__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-radius: 13px;
  color: var(--white);
  background: var(--red);
}

.bottom-nav__cta i {
  font-size: 19px;
  font-style: normal;
}

dialog {
  padding: 0;
  border: 0;
}

dialog::backdrop {
  background: rgba(3, 18, 16, 0.68);
  backdrop-filter: blur(5px);
}

.menu-sheet {
  position: fixed;
  inset: auto 0 0;
  width: min(100%, 480px);
  max-width: none;
  margin: auto;
  padding: 20px 22px max(30px, env(safe-area-inset-bottom));
  color: var(--white);
  background: var(--green-900);
  transform: translateY(100%);
}

.menu-sheet[open] {
  animation: sheet-up 0.35s ease forwards;
}

.menu-sheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 25px;
  color: rgba(255, 255, 255, 0.44);
  font-size: 10px;
  letter-spacing: 0.15em;
}

.menu-sheet__head button,
.dialog-close,
.lightbox > button {
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  color: var(--white);
  background: transparent;
  font-size: 25px;
  font-weight: 200;
}

.menu-sheet__links {
  display: grid;
}

.menu-sheet__links a {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: baseline;
  gap: 10px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.menu-sheet__links small {
  color: #d5b777;
  font-family: Georgia, serif;
  font-size: 10px;
}

.menu-sheet__links span {
  font-family: var(--serif);
  font-size: 24px;
  letter-spacing: 0.08em;
}

.menu-sheet__links i {
  color: rgba(255, 255, 255, 0.3);
  font-size: 7px;
  font-style: normal;
  letter-spacing: 0.12em;
}

.menu-sheet > p {
  margin: 32px 0 0;
  color: rgba(255, 255, 255, 0.26);
  font-size: 8px;
  letter-spacing: 0.16em;
}

.accept-dialog {
  width: calc(100% - 36px);
  max-width: 420px;
  padding: 52px 28px 30px;
  overflow: visible;
  color: var(--white);
  background:
    radial-gradient(circle at 50% 17%, rgba(221, 184, 109, 0.18), transparent 27%),
    var(--red-deep);
  text-align: center;
}

.accept-dialog .dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
}

.accept-dialog__seal {
  display: grid;
  width: 94px;
  height: 94px;
  margin: 0 auto 28px;
  place-items: center;
  border: 1px solid rgba(240, 209, 147, 0.65);
  border-radius: 50%;
  box-shadow: 0 0 0 7px rgba(240, 209, 147, 0.07);
}

.accept-dialog__seal span {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid rgba(240, 209, 147, 0.5);
  color: #ecd39e;
  font-family: var(--serif);
  font-size: 30px;
}

.accept-dialog .eyebrow {
  justify-content: center;
  color: #d9b976;
}

.accept-dialog h2 {
  margin: 10px 0 15px;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.accept-dialog > p:not(.eyebrow) {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.9;
}

.accept-dialog > button:not(.dialog-close) {
  margin-top: 30px;
  color: var(--red-deep);
  background: #f4e8d3;
  box-shadow: none;
}

.accept-dialog > small {
  display: block;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 8px;
  letter-spacing: 0.08em;
}

.lightbox {
  width: 100%;
  max-width: 100%;
  height: 100%;
  max-height: 100%;
  margin: 0;
  overflow: hidden;
  background: #061816;
}

.lightbox > button {
  position: absolute;
  top: max(18px, env(safe-area-inset-top));
  right: 18px;
  z-index: 1;
  background: rgba(5, 25, 22, 0.5);
  backdrop-filter: blur(8px);
}

.lightbox img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.toast {
  position: fixed;
  bottom: calc(max(12px, env(safe-area-inset-bottom)) + 78px);
  left: 50%;
  z-index: 120;
  padding: 10px 15px;
  border-radius: 999px;
  color: var(--white);
  background: rgba(6, 25, 22, 0.92);
  font-size: 10px;
  letter-spacing: 0.05em;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes hero-arrive {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}

@keyframes cue {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

@keyframes sheet-up {
  to { transform: translateY(0); }
}

@media (min-width: 600px) {
  .site-shell {
    box-shadow: 0 0 120px rgba(0, 0, 0, 0.4);
  }
}

@media (max-width: 350px) {
  .hero h1 { font-size: 46px; }
  .section { padding-right: 18px; padding-left: 18px; }
  .members > .section-heading,
  .industry-map,
  .activities > .section-heading { margin-right: 18px; margin-left: 18px; }
  .member-track,
  .activity-track { padding-right: 18px; padding-left: 18px; }
  .leadership-mosaic { grid-auto-rows: 140px; padding-right: 18px; padding-left: 18px; }
  .leadership-card { padding: 12px; }
  .leadership-card--chair { padding: 16px; }
  .leadership-card__person h3 { font-size: 25px; }
  .leadership-card--chair .leadership-card__person h3 { font-size: 40px; }
  .leadership-card > p { right: 12px; bottom: 10px; left: 12px; font-size: 8px; }
  .leadership-card--chair > p { right: 16px; bottom: 15px; left: 16px; font-size: 10px; }
  .letter { padding-right: 20px; padding-left: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}