/* BALA website styles. Colors are defined once here; change a token to restyle the whole site. */
:root {
  --ink: #1d2433;
  --ink-soft: #3f475a;
  --muted: #646b7e;
  --paper: #fffdf8;
  --cream: #fff7e3;
  --tint: #fcf2da;
  --line: #eadfc3;
  --white: #ffffff;
  --gold: #f4b400;
  --gold-600: #e0a200;
  --gold-700: #8f6200;
  --gold-soft: #fde8a8;
  --red: #c8372d;
  --red-soft: #fbe3df;
  --usa: #2d4f9e;
  --usa-soft: #e3eaf8;
  --europe: #1d7560;
  --europe-soft: #ddf1eb;
  --radius: 20px;
  --radius-lg: 28px;
  --shadow: 0 1px 2px rgba(29, 36, 51, .05), 0 10px 30px rgba(29, 36, 51, .07);
  --shadow-lift: 0 2px 4px rgba(29, 36, 51, .06), 0 18px 40px rgba(29, 36, 51, .12);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-display: ui-rounded, "SF Pro Rounded", "Arial Rounded MT Bold", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --wrap: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
:lang(zh-CN) body, html:lang(zh-CN) { letter-spacing: .01em; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.2rem); font-weight: 800; }
h1, h2, h3 { text-wrap: balance; }
h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { padding: 0; margin: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--gold-600); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.narrow { width: min(100% - 32px, 820px); }
.center { text-align: center; }
.muted { color: var(--muted); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ink-soft); max-width: 62ch; }
.icon { width: 1.25em; height: 1.25em; flex: none; }

.skip { position: absolute; left: 16px; top: -60px; background: var(--ink); color: var(--white); padding: 10px 16px; border-radius: 10px; z-index: 100; }
.skip:focus { top: 12px; }

/* ---------------------------------------------------------------- buttons & links */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: 13px 22px; border-radius: 999px; border: 2px solid transparent;
  font-weight: 700; font-size: 1rem; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--gold); color: var(--ink); box-shadow: 0 6px 18px rgba(244, 180, 0, .35); }
.btn--primary:hover { background: var(--gold-600); }
.btn--ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn--ghost:hover { background: var(--ink); color: var(--white); }
.btn--dark { background: var(--ink); color: var(--white); }
.btn--dark:hover { background: #000; }
.btn--lg { padding: 16px 26px; font-size: 1.05rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.text-link { display: inline-flex; align-items: center; gap: .35em; font-weight: 700; color: var(--gold-700); text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.text-link .icon { width: 1em; height: 1em; }

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 253, 248, .92);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 20px; min-height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; flex: none; }
.brand .logo { width: 52px; height: 52px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--font-display); font-size: 1.35rem; font-weight: 800; letter-spacing: .02em; }
.brand-text small { font-size: .72rem; color: var(--muted); max-width: 16em; }
.logo--usa, .logo--europe { display: none; }
html[data-region="usa"] .logo--bala, html[data-region="europe"] .logo--bala { display: none; }
html[data-region="usa"] .logo--usa, html[data-region="europe"] .logo--europe { display: block; }

.nav-panel { display: flex; align-items: center; gap: 18px; margin-left: auto; }
.nav-list { display: flex; gap: 2px; }
.nav-list a {
  display: block; padding: 8px 11px; border-radius: 10px;
  text-decoration: none; font-weight: 600; font-size: .95rem; color: var(--ink-soft); white-space: nowrap;
}
.nav-list a:hover { background: var(--tint); color: var(--ink); }
.nav-list a[aria-current="page"] { color: var(--ink); background: var(--gold-soft); }
.header-tools { display: flex; align-items: center; gap: 10px; }

.region-switch {
  display: inline-flex; padding: 3px; gap: 2px;
  background: var(--white); border: 1px solid var(--line); border-radius: 999px;
}
.region-switch button {
  border: 0; background: transparent; cursor: pointer;
  padding: 5px 12px; border-radius: 999px; font: inherit; font-size: .85rem; font-weight: 700; color: var(--muted);
}
.region-switch button[aria-pressed="true"] { background: var(--ink); color: var(--white); }
.region-switch--lg { padding: 4px; }
.region-switch--lg button { padding: 9px 20px; font-size: 1rem; }
.lang-switch { display: inline-flex; gap: 2px; font-size: .85rem; }
.lang-switch a { padding: 5px 9px; border-radius: 8px; text-decoration: none; font-weight: 700; color: var(--muted); }
.lang-switch a[aria-current="true"] { color: var(--ink); background: var(--tint); }
.lang-switch a:hover { color: var(--ink); }

.menu-toggle {
  display: none; margin-left: auto; align-items: center; gap: 6px;
  border: 1px solid var(--line); background: var(--white); border-radius: 12px;
  padding: 8px 12px; font: inherit; font-weight: 700; cursor: pointer; color: var(--ink);
}

@media (max-width: 1140px) {
  .menu-toggle { display: inline-flex; }
  .nav-panel {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 16px;
    padding: 16px; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  }
  body.nav-open .nav-panel { display: flex; }
  .nav-list { flex-direction: column; }
  .nav-list a { padding: 12px 14px; font-size: 1.05rem; }
  .header-tools { justify-content: space-between; flex-wrap: wrap; }
}
@media (max-width: 520px) {
  .brand-text small { display: none; }
}

/* ---------------------------------------------------------------- hero */
.hero {
  padding: 56px 0 40px;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(244, 180, 0, .22), transparent 60%),
    radial-gradient(700px 400px at -10% 110%, rgba(200, 55, 45, .07), transparent 60%),
    var(--cream);
  border-bottom: 1px solid var(--line);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px;
  padding: 6px 14px; border-radius: 999px; background: var(--white); border: 1px solid var(--line);
  font-size: .85rem; font-weight: 700; color: var(--gold-700);
}
.eyebrow .icon { width: 1em; height: 1em; fill: var(--gold); stroke: var(--gold-600); }
.hero h1 { margin-bottom: .45em; }
.hero-media { position: relative; margin: 0; }
.hero-media > img:first-child {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lift);
  transform: rotate(1.2deg);
}
.hero-coin {
  position: absolute; left: -28px; bottom: 34px; width: 128px; height: 128px;
  filter: drop-shadow(0 10px 18px rgba(143, 98, 0, .35));
}
.hero-media figcaption { margin-top: 14px; text-align: right; font-size: .85rem; color: var(--muted); }

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 44px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.stats li { padding: 20px 22px; display: flex; flex-direction: column; gap: 2px; }
.stats li + li { border-left: 1px solid var(--line); }
.stats strong { font-family: var(--font-display); font-size: 1.9rem; font-weight: 800; line-height: 1.1; }
.stats span { color: var(--muted); font-size: .92rem; line-height: 1.4; }

/* ---------------------------------------------------------------- sections */
.section { padding: 80px 0; }
.section--tint { background: var(--tint); }
.section--flush { padding-top: 24px; }
.section-head { margin-bottom: 32px; }
.section-head p { color: var(--muted); max-width: 62ch; margin: 0; }
.section-head--row { display: flex; align-items: end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.section-head--row h2 { margin: 0; }
.page-hero {
  padding: 64px 0 40px;
  background: radial-gradient(800px 360px at 90% -20%, rgba(244, 180, 0, .2), transparent 60%), var(--cream);
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}
.page-hero .lead { margin-bottom: 20px; }
.page-hero .filter, .page-hero .region-switch { margin-top: 4px; }

.card { background: var(--white); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.card h2 { font-size: 1.5rem; display: flex; align-items: center; gap: 10px; }
.card--accent { background: var(--ink); color: var(--white); }
.card--accent p { color: #d9dce4; }
.card--accent .big-link { color: var(--gold); }
.big-link { font-family: var(--font-display); font-size: clamp(1.1rem, 2.4vw, 1.5rem); font-weight: 800; word-break: break-all; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.split { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: center; }
.split--reverse { grid-template-columns: 1fr 1fr; }
.split-media { margin: 0; }
.split-media img { width: 100%; max-height: 560px; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-lift); }
.prose p { color: var(--ink-soft); }

/* ---------------------------------------------------------------- features & lists */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; }
.feature { background: var(--white); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.feature p { color: var(--muted); font-size: .95rem; margin: 0; }
.feature-icon {
  display: inline-grid; place-items: center; width: 48px; height: 48px; margin-bottom: 14px;
  border-radius: 14px; background: var(--gold-soft); color: var(--gold-700);
}
.feature-icon .icon { width: 26px; height: 26px; }

.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.value { border-top: 4px solid var(--gold); background: var(--white); border-radius: 0 0 var(--radius) var(--radius); padding: 22px; box-shadow: var(--shadow); }
.value h3 { display: flex; gap: 8px; align-items: center; }
.value h3 .icon { color: var(--gold-600); }
.value p { margin: 0; color: var(--muted); font-size: .95rem; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.chips li { padding: 6px 14px; border-radius: 999px; background: var(--tint); border: 1px solid var(--line); font-weight: 600; font-size: .92rem; }
.chips--lang li { background: var(--white); border-color: var(--gold-soft); }
.checklist { display: grid; gap: 10px; margin: 16px 0; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; }
.checklist .icon { color: var(--gold-600); margin-top: .2em; }

.program-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.program { position: relative; background: var(--white); border-radius: var(--radius); padding: 28px 28px 24px; box-shadow: var(--shadow); overflow: hidden; }
.program p { color: var(--muted); margin: 0; }
.program-num { display: block; font-family: var(--font-display); font-weight: 800; font-size: 2.4rem; line-height: 1; color: var(--gold); margin-bottom: 12px; }

.logo-row { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.logo-row img { width: 140px; height: 140px; object-fit: contain; filter: drop-shadow(0 8px 14px rgba(143, 98, 0, .25)); }

/* ---------------------------------------------------------------- regions */
.region-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.region-card {
  display: flex; gap: 22px; align-items: flex-start;
  background: var(--white); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow);
  border-top: 5px solid var(--usa);
}
.region-card--europe { border-top-color: var(--europe); }
.region-card > img { width: 104px; height: 104px; object-fit: contain; flex: none; }
.region-card h3 { font-size: 1.45rem; margin-bottom: 4px; }
.region-place { display: flex; align-items: center; gap: 6px; color: var(--muted); font-weight: 600; margin-bottom: 14px; }
.region-place .icon { width: 1em; height: 1em; }
.region-weekly { display: grid; gap: 10px; margin-bottom: 16px; }
.region-weekly li { display: flex; gap: 10px; align-items: flex-start; font-size: .96rem; line-height: 1.5; }
.region-weekly .icon { color: var(--gold-600); margin-top: .15em; }

html[data-region="usa"] [data-region-block="europe"],
html[data-region="europe"] [data-region-block="usa"] { display: none; }
.region-block + .region-block { margin-top: 48px; }
html[data-region] .region-block + .region-block { margin-top: 0; }
.region-heading { display: flex; align-items: center; gap: 12px; font-size: 1.5rem; margin: 8px 0 20px; }
.region-heading img { width: 48px; height: 48px; object-fit: contain; }
.sub-h { font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; color: var(--gold-700); margin: 28px 0 14px; }

.weekly-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.weekly { background: var(--white); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); border-left: 5px solid var(--gold); }
.weekly-day { font-weight: 800; color: var(--gold-700); margin: 0 0 4px; font-size: .95rem; }
.weekly h3 { font-size: 1.3rem; }
.weekly-facts { display: grid; gap: 8px; }
.weekly-facts li { display: flex; gap: 10px; align-items: center; color: var(--ink-soft); }
.weekly-facts .icon { color: var(--muted); }

.note {
  display: flex; gap: 12px; align-items: flex-start; margin: 36px 0 0;
  padding: 16px 18px; border-radius: 14px; background: var(--white); border: 1px dashed var(--line); color: var(--ink-soft); font-size: .95rem;
}
.note .icon { color: var(--gold-700); margin-top: .1em; }
.note--small { margin-top: 20px; font-size: .88rem; background: var(--tint); }
.empty-note { padding: 20px 22px; border-radius: 14px; background: var(--tint); color: var(--ink-soft); margin: 0; }
.empty-note .text-link { margin-left: 6px; }

/* ---------------------------------------------------------------- steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 32px; counter-reset: none; }
.steps--4 { grid-template-columns: repeat(4, 1fr); margin-bottom: 0; }
.steps li { background: var(--white); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.steps p { color: var(--muted); margin: 0; font-size: .96rem; }
.step-num {
  display: inline-grid; place-items: center; width: 40px; height: 40px; margin-bottom: 14px;
  border-radius: 50%; background: var(--gold); color: var(--ink); font-weight: 800; font-family: var(--font-display);
}

/* ---------------------------------------------------------------- events */
.event-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.event-grid:empty { display: none; }
.event-card {
  display: flex; flex-direction: column; background: var(--white); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease;
}
.event-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.event-media { display: block; position: relative; aspect-ratio: 4 / 3; background: var(--tint); overflow: hidden; }
a.event-media { cursor: zoom-in; }
a.event-media img { transition: transform .35s ease; }
a.event-media:hover img { transform: scale(1.03); }
.zoom-hint {
  position: absolute; right: 12px; top: 12px; display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(29, 36, 51, .72); color: var(--white); opacity: .85; transition: opacity .2s ease;
}
.zoom-hint .icon { width: 18px; height: 18px; }
a.event-media:hover .zoom-hint, a.event-media:focus-visible .zoom-hint { opacity: 1; }
.event-media img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.event-media--text {
  display: grid; place-items: center;
  background: radial-gradient(circle at 30% 20%, #ffd75e, var(--gold) 45%, var(--gold-600));
}
.cover-text { font-family: "Songti SC", "STSong", "Noto Serif SC", serif; font-size: 7rem; font-weight: 700; color: rgba(29, 36, 51, .85); line-height: 1; }
.event-body { padding: 20px 22px 24px; }
.event-body h3 { font-size: 1.1rem; }
.event-summary { color: var(--muted); font-size: .94rem; margin: 0; }
.post-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.post-links a {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--paper); text-decoration: none; font-size: .85rem; font-weight: 700; color: var(--ink-soft);
}
.post-links a:hover { background: var(--gold-soft); border-color: var(--gold-soft); color: var(--ink); }
.post-links .icon { width: 16px; height: 16px; }
.post-links .icon--ext { width: 12px; height: 12px; opacity: .6; }

/* lightbox (full image + event details) */
.lightbox {
  width: min(100vw - 32px, 1240px); max-width: none; max-height: calc(100vh - 32px);
  padding: 0; border: 0; border-radius: var(--radius-lg); background: var(--white); color: var(--ink);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .45); overflow: hidden;
}
.lightbox::backdrop { background: rgba(12, 15, 22, .82); }
.lb-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 340px; max-height: calc(100vh - 32px); }
.lb-figure { margin: 0; background: #11141b; display: grid; place-items: center; min-height: 320px; }
.lb-img { max-width: 100%; max-height: calc(100vh - 32px); width: auto; height: auto; object-fit: contain; }
.lb-caption { padding: 28px 26px; overflow-y: auto; display: flex; flex-direction: column; gap: 20px; }
.lb-details h3 { font-size: 1.3rem; }
.lb-details .event-summary { font-size: 1rem; }
.lb-more { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); }
.lb-more p { margin: 0 0 10px; font-size: .88rem; color: var(--muted); font-weight: 600; }
.lb-btn {
  position: absolute; z-index: 2; display: grid; place-items: center; width: 44px; height: 44px;
  border: 0; border-radius: 50%; cursor: pointer; background: rgba(255, 255, 255, .92); color: var(--ink);
  box-shadow: 0 4px 14px rgba(0, 0, 0, .25);
}
.lb-btn:hover { background: var(--gold); }
.lb-close { top: 14px; right: 14px; }
.lb-prev, .lb-next { top: 50%; transform: translateY(-50%); }
.lb-prev { left: 14px; }
.lb-next { right: calc(340px + 14px); }
.lb-btn[hidden] { display: none; }
@media (max-width: 860px) {
  .lightbox { width: 100vw; max-height: 100vh; height: 100vh; border-radius: 0; }
  .lb-inner { grid-template-columns: 1fr; grid-template-rows: auto 1fr; max-height: 100vh; height: 100%; overflow-y: auto; }
  .lb-img { max-height: 62vh; }
  .lb-prev, .lb-next { top: 31vh; }
  .lb-next { right: 14px; }
  .lb-caption { overflow: visible; }
}
.event-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .85rem; color: var(--muted); margin-bottom: 10px; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-weight: 700; font-size: .78rem; }
.badge--usa { background: var(--usa-soft); color: var(--usa); }
.badge--europe { background: var(--europe-soft); color: var(--europe); }
.badge--soon { background: var(--red-soft); color: var(--red); }

.filter { display: inline-flex; gap: 8px; flex-wrap: wrap; }
.filter button {
  border: 1px solid var(--line); background: var(--white); cursor: pointer;
  padding: 9px 18px; border-radius: 999px; font: inherit; font-weight: 700; color: var(--ink-soft);
}
.filter button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--white); }

/* ---------------------------------------------------------------- partners */
.partner-list { display: flex; flex-wrap: wrap; gap: 18px; }
.partner {
  display: flex; align-items: center; gap: 16px; padding: 16px 22px 16px 16px;
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow);
}
.partner img { width: 64px; height: 64px; object-fit: contain; border-radius: 14px; }
.partner span { display: flex; flex-direction: column; line-height: 1.35; }
.partner small { color: var(--muted); font-size: .88rem; }

/* ---------------------------------------------------------------- sign-up & contact */
.signup-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; align-items: stretch; }
.signup-card { display: flex; flex-direction: column; gap: 8px; }
.signup-card .region-switch { align-self: flex-start; margin-bottom: 8px; }
.signup-region .muted { max-width: 46ch; }
.qr-card { display: flex; gap: 22px; align-items: center; border: 2px solid var(--gold-soft); }
.qr-card img { width: 168px; height: 168px; border-radius: 14px; flex: none; }
.qr-card p { color: var(--muted); margin: 0; }

.qr-row { display: flex; flex-wrap: wrap; gap: 18px; }
.qr { margin: 0; background: var(--white); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); text-align: center; width: 230px; }
.qr img { width: 190px; height: 190px; object-fit: contain; margin: 0 auto 12px; border-radius: 10px; }
.qr figcaption { display: flex; flex-direction: column; gap: 2px; font-size: .9rem; }
.qr figcaption span { color: var(--muted); }
.qr figcaption p { margin: 6px 0 0; }
.qr--small { width: 180px; box-shadow: none; border: 1px solid var(--line); padding: 14px; margin-top: 18px; }
.qr--small img { width: 140px; height: 140px; }

.link-list { display: grid; gap: 10px; }
.link-list a {
  display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-radius: 14px;
  border: 1px solid var(--line); text-decoration: none; transition: background-color .15s ease;
}
.link-list a:hover { background: var(--tint); }
.link-list .icon { width: 26px; height: 26px; color: var(--gold-700); }
.link-list span { display: flex; flex-direction: column; line-height: 1.3; }
.link-list small { color: var(--muted); }

.faq { display: grid; gap: 12px; }
.faq details { background: var(--white); border-radius: 16px; box-shadow: var(--shadow); padding: 4px 22px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--gold-700); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); }

/* ---------------------------------------------------------------- call to action & footer */
.cta-band { background: linear-gradient(120deg, var(--gold) 0%, #ffcf3f 60%, #ffdf7a 100%); padding: 64px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-inner p { max-width: 58ch; margin: 0; color: var(--ink-soft); }
.cta-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }

.social { display: flex; gap: 10px; }
.social a {
  display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255, 255, 255, .08); color: var(--white); border: 1px solid rgba(255, 255, 255, .18);
}
.social a:hover { background: var(--gold); color: var(--ink); }
.social--light a { background: rgba(255, 255, 255, .55); color: var(--ink); border-color: rgba(29, 36, 51, .15); }
.social--light a:hover { background: var(--ink); color: var(--white); }

.site-footer { background: var(--ink); color: #c9cdd8; padding: 56px 0 24px; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.3fr; gap: 32px; }
.footer-brand img { width: 64px; height: 64px; margin-bottom: 14px; }
.footer-tagline { color: var(--white); font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; max-width: 22ch; }
.footer-h { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--gold); margin-bottom: 14px; }
.footer-links { display: grid; gap: 6px; }
.footer-links a, .footer-china a { color: #c9cdd8; text-decoration: none; }
.footer-links a:hover, .footer-china a:hover { color: var(--white); text-decoration: underline; }
.footer-china { margin-top: 14px; font-size: .88rem; }
.footer-mail { display: inline-flex; align-items: center; gap: 8px; color: var(--white); text-decoration: none; word-break: break-all; }
.footer-mail:hover { text-decoration: underline; }
.footer-note { font-size: .85rem; color: #9aa0b0; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 40px; padding-top: 20px; font-size: .85rem; color: #9aa0b0; }

/* ---------------------------------------------------------------- splash (language chooser, 404) */
.splash { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(800px 500px at 50% 0%, rgba(244, 180, 0, .25), transparent 60%), var(--cream); }
.splash-inner { text-align: center; padding: 32px 16px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.splash-inner .lead { margin: 8px auto 12px; }
.splash-inner .actions { justify-content: center; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1000px) {
  .event-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .steps--4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .section { padding: 56px 0; }
  .section--flush { padding-top: 8px; }
  .hero { padding-top: 32px; }
  .hero-grid, .split, .split--reverse, .two-col, .region-grid, .signup-grid, .program-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-media { order: -1; margin-inline: 8px; }
  .hero-coin { width: 92px; height: 92px; left: -6px; bottom: 26px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats li:nth-child(3) { border-left: 0; }
  .stats li:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .steps { grid-template-columns: 1fr; }
  .page-hero { padding: 40px 0 28px; margin-bottom: 24px; }
}
@media (max-width: 560px) {
  .event-grid, .value-grid, .steps--4, .footer-grid { grid-template-columns: 1fr; }
  .region-card { gap: 16px; padding: 22px 20px; }
  .region-card > img { width: 64px; height: 64px; }
  .region-card h3 { font-size: 1.25rem; }
  .feature, .steps li { display: grid; grid-template-columns: 44px 1fr; column-gap: 14px; padding: 20px; }
  .feature-icon, .step-num { grid-row: span 2; margin: 0; width: 44px; height: 44px; }
  .feature h3, .steps h3 { margin: 0 0 4px; align-self: center; }
  .qr-card { flex-direction: column; text-align: center; }
  .qr { width: 100%; }
  .stats strong { font-size: 1.5rem; }
  .stats li { padding: 16px; }
  .btn { width: 100%; }
  .actions .btn, .cta-actions .btn { width: 100%; }
  .region-switch--lg button { padding: 8px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .event-card { transition: none; }
}