/* ==========================================================================
   Ecovane LCA Conference 2027 — 一米一 LCA 生态大会 2027
   Design system & shared components
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* brand */
  --ink: #06201a;
  --forest: #0c3a2e;
  --forest-2: #14503f;
  --forest-3: #1d6b52;
  --mint: #86e6bc;
  --lime: #d9f36b;
  --lime-deep: #bfe04a;
  --sand: #f3f1ea;
  --paper: #ffffff;
  --paper-2: #faf9f5;

  /* text */
  --text: #12211c;
  --muted: #5b6b64;
  --muted-2: #8b968f;
  --on-dark: #f2f7f4;
  --on-dark-muted: rgba(233, 244, 238, 0.68);

  /* lines & shadows */
  --line: rgba(6, 32, 26, 0.12);
  --line-strong: rgba(6, 32, 26, 0.24);
  --line-dark: rgba(255, 255, 255, 0.14);
  --shadow-sm: 0 1px 2px rgba(6, 32, 26, 0.06), 0 8px 24px -16px rgba(6, 32, 26, 0.28);
  --shadow-md: 0 24px 60px -32px rgba(6, 32, 26, 0.45);
  --shadow-lg: 0 40px 100px -48px rgba(6, 32, 26, 0.55);

  /* type */
  --font-sans: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Archivo", "Inter", "Noto Sans SC", sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", Georgia, serif;
  --font-cond: "Barlow Condensed", "Archivo", sans-serif;

  /* metrics */
  --wrap: 1200px;
  --wrap-narrow: 820px;
  --radius-s: 6px;
  --radius: 14px;
  --radius-l: 22px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 2. Reset & base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
figure { margin: 0; }
:focus-visible {
  outline: 2px solid var(--forest-3);
  outline-offset: 3px;
  border-radius: 3px;
}

::selection { background: var(--lime); color: var(--ink); }

/* ---------- 3. Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}
.wrap--narrow { max-width: var(--wrap-narrow); }

.section { padding: 104px 0; position: relative; }
.section--tight { padding: 72px 0; }
.section--sand { background: var(--sand); }
.section--paper2 { background: var(--paper-2); }
.section--dark { background: var(--forest); color: var(--on-dark); }
.section--ink { background: var(--ink); color: var(--on-dark); }
.section--edge { border-top: 1px solid var(--line); }

.skip-link {
  position: absolute;
  left: 16px; top: -60px;
  z-index: 999;
  background: var(--lime);
  color: var(--ink);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- 4. Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--forest-3);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: currentColor;
  flex: none;
}
.section--dark .eyebrow,
.section--ink .eyebrow,
.hero .eyebrow { color: var(--mint); }

.h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.6vw, 46px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.01em;
}
.h3 {
  font-family: var(--font-serif);
  font-size: clamp(21px, 2vw, 26px);
  font-weight: 700;
  line-height: 1.4;
}
.h2 .en,
.en-sub {
  display: block;
  font-family: var(--font-cond);
  font-size: clamp(15px, 1.4vw, 19px);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-top: 14px;
  line-height: 1.3;
}
.section--dark .en-sub, .section--ink .en-sub { color: rgba(233, 244, 238, 0.5); }

.lead {
  font-size: clamp(16px, 1.35vw, 18.5px);
  line-height: 1.8;
  color: var(--muted);
  max-width: 66ch;
}
.section--dark .lead, .section--ink .lead { color: var(--on-dark-muted); }

.mono-num {
  font-family: var(--font-cond);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

/* section head */
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 56px;
}
.section-head .lead { margin: 0; }
@media (max-width: 900px) {
  .section-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 40px; }
}

/* ---------- 5. Buttons ---------- */
.btn {
  --btn-bg: var(--forest);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  text-align: center;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -14px rgba(6, 32, 26, 0.6); }
.btn:active { transform: translateY(0); }
.btn--lime { --btn-bg: var(--lime); --btn-fg: var(--ink); }
.btn--lime:hover { --btn-bg: #e6ff84; }
.btn--outline {
  --btn-bg: transparent; --btn-fg: var(--ink);
  border-color: var(--line-strong);
}
.btn--outline:hover { --btn-bg: var(--ink); --btn-fg: #fff; border-color: var(--ink); }
.btn--ghost-light {
  --btn-bg: transparent; --btn-fg: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.btn--ghost-light:hover { --btn-bg: rgba(255, 255, 255, 0.12); border-color: #fff; box-shadow: none; }
.btn--sm { padding: 10px 18px; font-size: 13.5px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--forest-3);
  border-bottom: 1px solid rgba(29, 107, 82, 0.35);
  padding-bottom: 2px;
  transition: gap 0.2s var(--ease), border-color 0.2s var(--ease);
}
.text-link:hover { gap: 14px; border-color: var(--forest-3); }
.section--dark .text-link, .section--ink .text-link { color: var(--mint); border-color: rgba(134, 230, 188, 0.4); }

/* ---------- 6. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 10px 30px -24px rgba(6, 32, 26, 0.5); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; gap: 12px; flex: none; }
/* The supplied 1m1 logo is a 1:1 canvas with the wordmark band across the middle.
   `cover` crops to that band, so the mark stays legible at header size without
   redrawing or re-exporting the original artwork. */
.brand-mark {
  width: 76px;
  height: 28px;
  flex: none;
  border-radius: 5px;
  display: block;
  object-fit: cover;
  object-position: center;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-sub {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 600;
  margin-top: 3px;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 8px 13px;
  font-size: 14px;
  font-weight: 500;
  color: #2c3b35;
  border-radius: 999px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
  white-space: nowrap;
}
.nav a:hover { background: rgba(12, 58, 46, 0.06); color: var(--forest); }
.nav a[aria-current="page"] { color: var(--forest); font-weight: 700; }
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: 0;
  height: 2px;
  background: var(--forest-3);
  border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 10px; flex: none; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 1.6px;
  background: var(--ink);
  position: relative;
  transition: background 0.2s;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute; left: 0;
  width: 18px; height: 1.6px;
  background: var(--ink);
  transition: transform 0.25s var(--ease);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
body.nav-open .nav-toggle span { background: transparent; }
body.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
body.nav-open .nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1080px) {
  .nav { gap: 0; }
  .nav a { padding: 8px 9px; font-size: 13.5px; }
}
@media (max-width: 940px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: #fff;
    padding: 14px 20px 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.24s var(--ease), transform 0.24s var(--ease), visibility 0.24s;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav a { padding: 13px 12px; font-size: 16px; border-radius: 8px; }
  .nav a[aria-current="page"] { background: rgba(12, 58, 46, 0.05); }
  .nav a[aria-current="page"]::after { display: none; }
  body.nav-open .nav { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
  .header-actions .btn { display: none; }
  body.nav-open .nav::after {
    content: "";
    display: block;
    margin-top: 12px;
    height: 1px;
    background: var(--line);
  }
  .nav .nav-mobile-cta { display: block !important; margin-top: 10px; }
  .nav .nav-mobile-cta a {
    background: var(--forest);
    color: #fff !important;
    text-align: center;
    border-radius: 999px;
    padding: 14px;
    font-weight: 600;
  }
  .nav .nav-mobile-cta a:hover { background: var(--forest-2); }
}
.nav .nav-mobile-cta { display: none; }

@media (max-width: 420px) {
  .brand-sub { display: none; }
  .brand-mark { width: 60px; height: 22px; }
  .wrap { padding: 0 20px; }
}

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  background: var(--forest);
  color: var(--on-dark);
  overflow: hidden;
  isolation: isolate;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 62%;
  opacity: 0.55;
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(6, 32, 26, 0.82) 0%, rgba(6, 32, 26, 0.55) 45%, rgba(6, 32, 26, 0.9) 100%),
    linear-gradient(180deg, rgba(6, 32, 26, 0.55) 0%, rgba(6, 32, 26, 0.35) 45%, rgba(6, 32, 26, 0.95) 100%);
}
.hero-grid-lines {
  position: absolute; inset: 0; z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 25% 100%;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}
.hero-inner {
  padding: 92px 0 0;
  position: relative;
}
.hero-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  font-family: var(--font-cond);
  font-size: 13.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 34px;
}
.hero-topline .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--lime); flex: none; }
.hero-topline .cn {
  font-family: var(--font-sans);
  letter-spacing: 0.06em;
  color: rgba(233, 244, 238, 0.85);
  font-size: 13px;
  text-transform: none;
}
.hero h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(34px, 6.2vw, 82px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: 18px;
  max-width: 16em;
  text-wrap: balance;
}
.hero h1 .hl { color: var(--lime); }
.hero-en-title {
  font-family: var(--font-cond);
  font-size: clamp(20px, 2.6vw, 34px);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 26px;
}
.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.7vw, 22px);
  color: var(--lime);
  margin-bottom: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.hero-desc {
  max-width: 62ch;
  color: var(--on-dark-muted);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.85;
  margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 60px; }

/* countdown */
.countdown {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 14px 20px;
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(6px);
  margin-bottom: 44px;
}
.countdown-label {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
  line-height: 1.4;
  max-width: 8em;
  font-weight: 600;
}
.countdown-units { display: flex; align-items: baseline; gap: 14px; }
.countdown-unit { display: flex; flex-direction: column; align-items: center; min-width: 42px; }
.countdown-unit b {
  font-family: var(--font-cond);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: #fff;
}
.countdown-unit span {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
  margin-top: 6px;
}
@media (max-width: 560px) {
  .countdown { padding: 12px 16px; gap: 12px; flex-wrap: wrap; }
  .countdown-unit b { font-size: 22px; }
}

/* hero meta strip */
.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(6, 32, 26, 0.28);
  backdrop-filter: blur(8px);
}
.hero-meta div {
  padding: 22px 24px;
  border-left: 1px solid var(--line-dark);
}
.hero-meta div:first-child { border-left: 0; padding-left: 0; }
.hero-meta dt {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint);
  font-weight: 700;
  margin-bottom: 8px;
}
.hero-meta dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  line-height: 1.45;
}
.hero-meta dd small {
  display: block;
  font-weight: 400;
  font-size: 12.5px;
  color: var(--on-dark-muted);
  margin-top: 3px;
  letter-spacing: 0.01em;
}
@media (max-width: 860px) {
  .hero-meta { grid-template-columns: 1fr 1fr; }
  .hero-meta div:nth-child(3) { border-left: 0; padding-left: 0; }
  .hero-meta div:nth-child(n + 3) { border-top: 1px solid var(--line-dark); }
}
@media (max-width: 560px) {
  .hero-inner { padding-top: 64px; }
  .hero-meta div { padding: 18px 16px; }
  .hero-meta div:nth-child(odd) { padding-left: 0; }
  .hero-actions { margin-bottom: 44px; }
  .hero-actions .btn { flex: 1 1 100%; }
}

/* ---------- 8. Ticker ---------- */
.ticker {
  background: var(--ink);
  color: rgba(233, 244, 238, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  padding: 13px 0;
}
.ticker-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: ticker 46s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker span {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  padding-right: 22px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}
.ticker span::after { content: "◆"; color: var(--lime); font-size: 7px; }
@keyframes ticker { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
}

/* ---------- 9. Cards & grids ---------- */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 980px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  position: relative;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(6, 32, 26, 0.2); }

.theme-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px 30px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.theme-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); background: #fffdf6; }
.theme-card .num {
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--muted-2);
  font-weight: 600;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.theme-card .num::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.theme-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}
.theme-card .en {
  font-family: var(--font-cond);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--forest-3);
  font-weight: 600;
  margin-bottom: 14px;
}
.theme-card p { font-size: 14.5px; color: var(--muted); line-height: 1.72; margin: 0; }
.theme-card ul { margin-top: 16px; display: grid; gap: 7px; }
.theme-card li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  color: #38473f;
  line-height: 1.6;
}
.theme-card li::before {
  content: "";
  position: absolute; left: 0; top: 0.62em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--forest-3);
}

.theme-icon {
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: rgba(12, 58, 46, 0.07);
  color: var(--forest);
  margin-bottom: 20px;
}
.theme-icon svg { width: 20px; height: 20px; }

/* ---------- 10. Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.stat {
  padding: 34px 28px;
  border-left: 1px solid var(--line-dark);
}
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b {
  display: block;
  font-family: var(--font-cond);
  font-size: clamp(38px, 4.4vw, 58px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--lime);
}
.stat b i { font-style: normal; font-size: 0.5em; vertical-align: 0.55em; color: rgba(217, 243, 107, 0.7); }
.stat span {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  color: var(--on-dark);
  font-weight: 500;
}
.stat small { display: block; font-size: 12px; color: var(--on-dark-muted); margin-top: 4px; letter-spacing: 0.02em; }
@media (max-width: 860px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { padding: 26px 20px; }
  .stat:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line-dark); }
}

/* ---------- 11. Agenda ---------- */
.agenda-tabs {
  display: inline-flex;
  gap: 6px;
  padding: 5px;
  background: rgba(6, 32, 26, 0.05);
  border-radius: 999px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.agenda-tab {
  border: 0;
  background: transparent;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), box-shadow 0.22s var(--ease);
  white-space: nowrap;
}
.agenda-tab[aria-selected="true"] {
  background: var(--forest);
  color: #fff;
  box-shadow: 0 10px 24px -16px rgba(6, 32, 26, 0.8);
}
.agenda-panel[hidden] { display: none; }

.day-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}
.day-head h3 { font-family: var(--font-serif); font-size: 22px; }
.day-head .date {
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--forest-3);
  font-weight: 600;
}
.day-head .tag {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
  background: rgba(6, 32, 26, 0.05);
  padding: 4px 12px;
  border-radius: 999px;
}

.agenda-list { display: grid; }
.agenda-item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) 168px;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: background 0.2s var(--ease);
}
.agenda-item:hover { background: rgba(12, 58, 46, 0.022); }
.agenda-time {
  font-family: var(--font-cond);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--forest);
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}
.agenda-time small { display: block; font-family: var(--font-sans); font-size: 11.5px; color: var(--muted-2); letter-spacing: 0.06em; margin-top: 3px; }
.agenda-body h4 {
  font-family: var(--font-sans);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 6px;
}
.agenda-body h4 .en {
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 500;
  margin-left: 10px;
  white-space: nowrap;
}
.agenda-body p { font-size: 14px; color: var(--muted); line-height: 1.7; margin: 0; }
.agenda-body .who { font-size: 13.5px; color: #38473f; margin-top: 8px; font-weight: 500; }
.agenda-tag {
  justify-self: end;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(12, 58, 46, 0.07);
  color: var(--forest);
  font-weight: 600;
  white-space: nowrap;
}
.agenda-tag--key { background: rgba(217, 243, 107, 0.5); color: #33420a; }
.agenda-tag--break { background: rgba(6, 32, 26, 0.05); color: var(--muted); font-weight: 500; }
@media (max-width: 820px) {
  .agenda-item {
    grid-template-columns: 1fr auto;
    gap: 8px 14px;
    padding: 20px 0;
  }
  .agenda-time { grid-column: 1 / -1; padding-top: 0; }
  .agenda-time small { display: inline; margin-left: 8px; }
  .agenda-body h4 .en { display: block; margin: 4px 0 0; }
  .agenda-tag { grid-row: 2; grid-column: 2; align-self: start; }
}

/* ---------- 12. Key dates ---------- */
.timeline { position: relative; margin-top: 8px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 9px;
  height: 1px;
  background: var(--line-strong);
}
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 20px;
  position: relative;
}
.tl-item { padding-top: 32px; position: relative; }
.tl-item::before {
  content: "";
  position: absolute;
  top: 3px; left: 0;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--forest-3);
  z-index: 1;
}
.tl-item:first-child::before { background: var(--forest-3); }
.tl-date {
  font-family: var(--font-cond);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--forest);
  margin-bottom: 6px;
}
.tl-item h4 { font-size: 14.5px; font-weight: 700; line-height: 1.5; margin-bottom: 5px; }
.tl-item p { font-size: 13px; color: var(--muted); line-height: 1.6; margin: 0; }
@media (max-width: 1000px) {
  .timeline-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px 20px; }
  .timeline::before { display: none; }
  .tl-item { padding-top: 20px; border-top: 1px solid var(--line); }
  .tl-item::before { top: -5px; }
}
@media (max-width: 600px) {
  .timeline-grid { grid-template-columns: 1fr; gap: 0; }
  .tl-item { padding: 18px 0 18px 22px; border-top: 1px solid var(--line); }
  .tl-item::before { top: 24px; left: 3px; width: 9px; height: 9px; }
}

/* ---------- 13. Speakers ---------- */
.speaker-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 980px) { .speaker-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .speaker-grid { grid-template-columns: 1fr; } }

.speaker-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.speaker-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.speaker-photo {
  aspect-ratio: 4 / 3;
  background:
    repeating-linear-gradient(135deg, rgba(12, 58, 46, 0.05) 0 1px, transparent 1px 10px),
    linear-gradient(160deg, #eef2ee, #e2e9e3);
  display: grid;
  place-items: center;
  color: var(--muted-2);
  position: relative;
}
.speaker-photo span {
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid rgba(6, 32, 26, 0.15);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}
.speaker-body { padding: 20px 20px 24px; }
.speaker-body .role {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--forest-3);
  font-weight: 700;
  margin-bottom: 8px;
}
.speaker-body h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.speaker-body p { font-size: 13.5px; color: var(--muted); margin: 0; line-height: 1.6; }

/* ---------- 14. Venue / split ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}
.split--reverse .split-media { order: 2; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split--reverse .split-media { order: 0; }
}
.split-media { position: relative; }
.split-media img {
  width: 100%;
  border-radius: var(--radius-l);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  box-shadow: var(--shadow-md);
}
.media-badge {
  position: absolute;
  left: -18px; bottom: 24px;
  background: var(--lime);
  color: var(--ink);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  box-shadow: var(--shadow-md);
  max-width: 220px;
}
.media-badge small { display: block; font-weight: 500; font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; opacity: 0.7; margin-top: 3px; }
@media (max-width: 900px) {
  .media-badge { left: 12px; bottom: 12px; }
}

.info-list { display: grid; gap: 0; margin-top: 28px; border-top: 1px solid var(--line); }
.info-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
}
.info-row dt { color: var(--muted-2); font-size: 12.5px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600; padding-top: 2px; }
.info-row dd { margin: 0; color: var(--text); font-weight: 500; }
.info-row dd small { display: block; color: var(--muted); font-weight: 400; font-size: 13px; margin-top: 3px; }

/* ---------- 15. Fee / pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 1000px) { .price-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .price-grid { grid-template-columns: 1fr; } }
.price-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  background: #fff;
  display: flex;
  flex-direction: column;
}
.price-card--feature {
  background: var(--forest);
  color: var(--on-dark);
  border-color: var(--forest);
  position: relative;
}
.price-card--feature .price-amount { color: var(--lime); }
.price-card--feature .price-note, .price-card--feature li { color: rgba(233, 244, 238, 0.78) !important; }
.price-card--feature .price-label { color: var(--mint); }
.price-flag {
  position: absolute; top: -11px; right: 20px;
  background: var(--lime); color: var(--ink);
  font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 800; padding: 4px 11px; border-radius: 999px;
}
.price-label { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--forest-3); font-weight: 700; }
.price-amount {
  font-family: var(--font-cond);
  font-size: 34px;
  font-weight: 600;
  color: var(--ink);
  margin: 10px 0 4px;
  line-height: 1.1;
}
.price-amount small { font-size: 14px; font-weight: 500; letter-spacing: 0.04em; color: var(--muted-2); }
.price-note { font-size: 12.5px; color: var(--muted-2); margin-bottom: 18px; }
.price-card ul { display: grid; gap: 9px; margin-bottom: 22px; }
.price-card li {
  font-size: 13.5px;
  color: #37463f;
  padding-left: 18px;
  position: relative;
  line-height: 1.6;
}
.price-card li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--forest-3);
  font-size: 12px;
  font-weight: 700;
}
.price-card--feature li::before { color: var(--lime); }
.price-card .btn { margin-top: auto; }

/* ---------- 16. Sponsor tiers ---------- */
.tier-list { display: grid; gap: 14px; }
.tier {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 140px;
  gap: 24px;
  align-items: center;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.tier:hover { border-color: var(--forest-3); transform: translateX(4px); box-shadow: var(--shadow-sm); }
.tier-name { font-family: var(--font-serif); font-size: 18px; font-weight: 700; }
.tier-name small { display: block; font-family: var(--font-cond); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); font-weight: 600; margin-top: 5px; }
.tier-benefits { font-size: 14px; color: var(--muted); line-height: 1.7; }
.tier-price { text-align: right; font-family: var(--font-cond); font-size: 15px; letter-spacing: 0.06em; color: var(--forest-3); font-weight: 600; }
@media (max-width: 880px) {
  .tier { grid-template-columns: 1fr; gap: 10px; padding: 22px; }
  .tier-price { text-align: left; }
}

/* ---------- 17. Forms ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 38px;
  box-shadow: var(--shadow-sm);
}
@media (max-width: 620px) { .form-card { padding: 24px 20px; } }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; gap: 16px; } }

.field { display: flex; flex-direction: column; gap: 7px; }
.field > label {
  font-size: 13px;
  font-weight: 600;
  color: #2b3a34;
  letter-spacing: 0.01em;
}
.field > label .req { color: #c2452d; margin-left: 3px; }
.field .hint { font-size: 12px; color: var(--muted-2); font-weight: 400; }
.input, .select, .textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: #fff;
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--text);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  appearance: none;
}
.input::placeholder, .textarea::placeholder { color: #a9b2ad; }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--forest-3);
  box-shadow: 0 0 0 3px rgba(29, 107, 82, 0.14);
}
.textarea { min-height: 130px; resize: vertical; line-height: 1.7; }
.select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%235b6b64' d='M1.4 0 6 4.6 10.6 0 12 1.4 6 7.4 0 1.4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 11px;
  padding-right: 36px;
}

.check-row { display: flex; gap: 11px; align-items: flex-start; font-size: 13.5px; color: var(--muted); line-height: 1.65; }
.check-row input[type="checkbox"] {
  width: 17px; height: 17px;
  margin: 3px 0 0;
  accent-color: var(--forest);
  flex: none;
}
.check-row a { color: var(--forest-3); border-bottom: 1px solid rgba(29, 107, 82, 0.4); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 15px;
  font-size: 13px;
  cursor: pointer;
  color: #37463f;
  transition: all 0.18s var(--ease);
  background: #fff;
}
.chip input { position: absolute; opacity: 0; width: 0; height: 0; }
.chip:hover { border-color: var(--forest-3); }
.chip:has(input:checked) { background: var(--forest); border-color: var(--forest); color: #fff; }
.chip:has(input:focus-visible) { outline: 2px solid var(--forest-3); outline-offset: 2px; }

.form-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 26px; }
.form-status {
  font-size: 13.5px;
  line-height: 1.6;
  border-radius: 9px;
  padding: 0;
  display: none;
}
.form-status.is-visible { display: block; padding: 14px 16px; }
.form-status.is-error { background: #fdf1ee; color: #a13a22; border: 1px solid #f3d2c9; }
.form-status.is-success { background: #eef7f1; color: #1d6b52; border: 1px solid #cfe8da; }
.form-status.is-info { background: #f6f5f0; color: var(--muted); border: 1px solid var(--line); }

/* ---------- 18. Callout ---------- */
.callout {
  border: 1px solid rgba(6, 32, 26, 0.14);
  border-left: 3px solid var(--forest-3);
  background: #fff;
  padding: 20px 24px;
  border-radius: 0 10px 10px 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}
.callout strong { color: var(--text); }
.callout--dark { background: rgba(255, 255, 255, 0.05); border-color: var(--line-dark); border-left-color: var(--lime); color: var(--on-dark-muted); }

/* ---------- 19. CTA band ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--forest);
  color: var(--on-dark);
  border-radius: var(--radius-l);
  padding: 62px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
}
.cta-band::before {
  content: "";
  position: absolute;
  right: -140px; top: -120px;
  width: 460px; height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(217, 243, 107, 0.22), transparent 66%);
  pointer-events: none;
}
.cta-band h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.3;
  margin-bottom: 12px;
}
.cta-band p { color: var(--on-dark-muted); max-width: 54ch; font-size: 15px; }
.cta-band .actions { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 860px) {
  .cta-band { grid-template-columns: 1fr; padding: 40px 28px; gap: 24px; }
}

/* ---------- 20. Footer ---------- */
.site-footer { background: var(--ink); color: rgba(233, 244, 238, 0.66); padding: 72px 0 32px; }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
@media (max-width: 900px) { .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; } }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: rgba(233, 244, 238, 0.45); }
.footer-about { margin-top: 18px; font-size: 13.5px; line-height: 1.8; max-width: 34ch; }
.footer-col h4 {
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-col li { margin-bottom: 9px; }
.footer-col a { font-size: 13.5px; color: rgba(233, 244, 238, 0.72); transition: color 0.2s; }
.footer-col a:hover { color: var(--lime); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  font-size: 12.5px;
  color: rgba(233, 244, 238, 0.45);
}
.footer-bottom a { border-bottom: 1px solid rgba(233, 244, 238, 0.25); }

/* ---------- 21. Page hero (subpages) ---------- */
.page-hero {
  background: var(--forest);
  color: var(--on-dark);
  padding: 76px 0 62px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(90% 120% at 88% 0%, rgba(217, 243, 107, 0.14), transparent 60%),
    linear-gradient(180deg, rgba(6, 32, 26, 0.35), rgba(6, 32, 26, 0.75));
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 12.5% 100%;
  mask-image: linear-gradient(180deg, #000, transparent 85%);
}
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 12.5px;
  color: var(--on-dark-muted);
  margin-bottom: 26px;
}
.breadcrumb a:hover { color: var(--lime); }
.breadcrumb span { opacity: 0.4; }
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.4vw, 54px);
  line-height: 1.16;
  font-weight: 900;
  margin-bottom: 14px;
  max-width: 20em;
}
.page-hero .page-en {
  font-family: var(--font-cond);
  font-size: clamp(13px, 1.4vw, 17px);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 22px;
}
.page-hero p { max-width: 66ch; color: var(--on-dark-muted); font-size: 15.5px; line-height: 1.8; }

/* ---------- 22. Misc ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal, html:not(.js) .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .card:hover, .theme-card:hover, .speaker-card:hover, .tier:hover { transform: none; }
}

.prose { max-width: 72ch; }
.prose h2 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.4vw, 30px);
  margin: 44px 0 16px;
  font-weight: 700;
}
.prose h3 { font-size: 18px; margin: 30px 0 12px; font-weight: 700; }
.prose p { color: #3a4a43; font-size: 15.5px; line-height: 1.85; margin-bottom: 1.1em; }
.prose ul { margin: 0 0 1.2em; display: grid; gap: 9px; }
.prose li { position: relative; padding-left: 20px; font-size: 15px; color: #3a4a43; line-height: 1.75; }
.prose li::before {
  content: "";
  position: absolute; left: 2px; top: 0.66em;
  width: 6px; height: 6px;
  background: var(--forest-3);
  border-radius: 50%;
}
.prose ol { counter-reset: n; display: grid; gap: 10px; margin-bottom: 1.2em; }
.prose ol li { counter-increment: n; padding-left: 30px; }
.prose ol li::before {
  content: counter(n);
  font-family: var(--font-cond);
  font-weight: 600;
  font-size: 12px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(12, 58, 46, 0.08);
  color: var(--forest);
  display: grid; place-items: center;
  top: 0.35em;
}
.prose blockquote {
  margin: 28px 0;
  padding: 22px 26px;
  border-left: 3px solid var(--forest-3);
  background: var(--paper-2);
  font-family: var(--font-serif);
  font-size: 16.5px;
  line-height: 1.8;
  color: #2b3a34;
}

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 12.5px;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: #fff;
  font-weight: 500;
}
.section--dark .tag, .section--ink .tag { background: rgba(255, 255, 255, 0.06); border-color: var(--line-dark); color: var(--on-dark-muted); }

.subject-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
@media (max-width: 860px) { .subject-row { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .subject-row { grid-template-columns: 1fr; } }
.subject {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.subject b { display: block; font-family: var(--font-serif); font-size: 16px; margin-bottom: 6px; }
.subject span { font-size: 13px; color: var(--muted); line-height: 1.6; display: block; }

.anchor-offset { scroll-margin-top: calc(var(--header-h) + 24px); }

.two-col-text { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 44px; }
@media (max-width: 780px) { .two-col-text { grid-template-columns: 1fr; gap: 28px; } }

/* ==========================================================================
   23. Bilingual switching (zh / en)
   Content is authored twice in the markup and one side is hidden by CSS, so the
   page stays readable even if JavaScript fails. JS only flips data-lang.
   Only ever HIDE the inactive side — never force a display value, so block/inline
   semantics of each element are preserved.
   ========================================================================== */
html[data-lang="zh"] .lang-en { display: none !important; }
html[data-lang="en"] .lang-zh { display: none !important; }

/* Language toggle in the header */
.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  gap: 2px;
  flex: none;
}
.lang-switch button {
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 6px 11px;
  border-radius: 999px;
  line-height: 1;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.lang-switch button:hover { color: var(--forest); }
.lang-switch button[aria-pressed="true"] {
  background: var(--forest);
  color: #fff;
}

/* English typography adjustments */
html[data-lang="en"] .h2,
html[data-lang="en"] .h3,
html[data-lang="en"] .hero h1,
html[data-lang="en"] .page-hero h1,
html[data-lang="en"] .cta-band h2,
html[data-lang="en"] .prose h2,
html[data-lang="en"] .theme-card h3,
html[data-lang="en"] .tier-name,
html[data-lang="en"] .day-head h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.022em;
}
html[data-lang="en"] .hero h1 { line-height: 1.06; max-width: 18em; }
html[data-lang="en"] .h2 { font-weight: 700; line-height: 1.2; }
html[data-lang="en"] .lead,
html[data-lang="en"] .hero-desc,
html[data-lang="en"] .prose p,
html[data-lang="en"] .prose li { letter-spacing: -0.003em; }
html[data-lang="en"] .eyebrow { letter-spacing: 0.18em; }
/* English runs longer: give key blocks a little more room */
html[data-lang="en"] .hero-desc { max-width: 66ch; }

@media (max-width: 940px) {
  .lang-switch { margin-right: 4px; }
}
@media (max-width: 420px) {
  .lang-switch button { padding: 6px 9px; font-size: 11.5px; }
}

/* Language switch inside the mobile menu */
.nav-lang-mobile { display: none; }

/* Keep brand + language switch + hamburger on one line on small phones */
.brand-text { min-width: 0; }
.brand-name { white-space: nowrap; }
@media (max-width: 560px) {
  .header-inner { gap: 10px; }
  .brand { gap: 9px; }
  .brand-name { font-size: 13.5px; }
  .brand-mark { width: 32px; height: 32px; }
  .lang-switch button { padding: 5px 8px; font-size: 11px; }
  .header-actions { gap: 6px; }
}

/* ==========================================================================
   24. Neutral hero (venue not yet decided — no city photography)
   ========================================================================== */
.hero--neutral {
  background: var(--forest);
}
.hero--neutral .hero-media { display: none; }
.hero-aurora {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(85% 70% at 78% 8%, rgba(217, 243, 107, 0.20), transparent 62%),
    radial-gradient(70% 80% at 12% 92%, rgba(134, 230, 188, 0.16), transparent 65%),
    radial-gradient(120% 100% at 50% 0%, #14503f 0%, #0c3a2e 45%, #06201a 100%);
}
/* faint topographic rings, drawn with CSS only */
.hero-aurora::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 50%;
  width: 780px;
  height: 780px;
  transform: translateY(-46%);
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle at center,
      rgba(255, 255, 255, 0.045) 0 1px,
      transparent 1px 46px);
  mask-image: radial-gradient(circle at center, transparent 24%, #000 72%);
  -webkit-mask-image: radial-gradient(circle at center, transparent 24%, #000 72%);
  pointer-events: none;
}

/* ==========================================================================
   25. Candidate venue cards (Xiamen / Guangzhou / Shanghai)
   ========================================================================== */
.candidate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
@media (max-width: 900px) { .candidate-grid { grid-template-columns: 1fr; } }

.candidate {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 26px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.candidate:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }

.candidate-flag {
  position: absolute;
  top: 18px; right: 18px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #33420a;
  background: rgba(217, 243, 107, 0.62);
  border-radius: 999px;
  padding: 4px 10px;
}
.candidate-code {
  font-family: var(--font-cond);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 600;
  margin-bottom: 12px;
}
.candidate h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 2px;
}
html[data-lang="en"] .candidate h3 { font-family: var(--font-display); font-weight: 800; }
.candidate .city-en {
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--forest-3);
  font-weight: 600;
  margin-bottom: 16px;
}
.candidate p {
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
  margin: 0 0 18px;
}
.candidate-specs {
  margin: auto 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.candidate-specs div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.candidate-specs div:last-child { border-bottom: 0; }
.candidate-specs dt {
  color: var(--muted-2);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  padding-top: 2px;
}
.candidate-specs dd { margin: 0; color: #2b3a34; font-weight: 500; }

.candidate--pending { background: var(--paper-2); }

/* status strip above the candidate cards */
.venue-status {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 16px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  background: var(--paper-2);
  margin-bottom: 28px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.7;
}
.venue-status .pill {
  flex: none;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--forest);
  color: #fff;
  padding: 5px 12px;
  border-radius: 999px;
}
.venue-status strong { color: var(--text); }

/* comparison table (venue page) */
.compare-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.compare {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}
.compare caption {
  text-align: left;
  font-size: 12.5px;
  color: var(--muted-2);
  padding-bottom: 12px;
}
.compare th, .compare td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.compare thead th {
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--forest-3);
  font-weight: 700;
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}
.compare tbody th {
  font-weight: 600;
  color: #2b3a34;
  width: 150px;
  font-size: 13.5px;
}
.compare td { color: var(--muted); }




/* ==========================================================================
   26. Partners and supporting organisations
   Text wordmarks are used deliberately: no partner logo files are bundled, so
   nothing here implies a supplied asset. Vacant slots stay visible because
   availability is part of the offer.
   ========================================================================== */
.partners-block { display: grid; gap: 38px; }

.partners-tier-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.partners-tier-head h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  margin: 0;
}
html[data-lang="en"] .partners-tier-head h3 { font-family: var(--font-display); font-weight: 800; }
.partners-tier-head .tier-en {
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 600;
}
.partners-tier-head .seats {
  margin-left: auto;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--forest-3);
  font-weight: 700;
  white-space: nowrap;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(232px, 1fr));
  gap: 14px;
}

.partner-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}
a.partner-card { color: inherit; }
a.partner-card:hover {
  border-color: var(--forest-3);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.partner-name {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.2;
}
.partner-role {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.6;
}
.partner-link {
  margin-top: 10px;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--forest-3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
a.partner-card:hover .partner-link { gap: 10px; }

/* vacant slot — dashed, clearly not a partner yet */
.partner-card--vacant {
  border-style: dashed;
  background: var(--paper-2);
  justify-content: center;
  min-height: 96px;
}
.partner-card--vacant .partner-name {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--muted-2);
  letter-spacing: 0;
}
.partner-card--vacant .partner-role { font-size: 12px; color: var(--muted-2); }

/* invited-but-unconfirmed badge: never let it read as confirmation */
.partner-card--invited { background: var(--paper-2); }
.badge-invited {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-cond);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: #8a6100;
  background: rgba(240, 190, 62, 0.18);
  border: 1px solid rgba(196, 148, 20, 0.35);
  padding: 3px 9px;
  border-radius: 999px;
  margin-bottom: 6px;
  line-height: 1.5;
}
.partner-card--invited .partner-name {
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.5;
}

.partners-note {
  margin-top: 26px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted-2);
}

@media (max-width: 560px) {
  .partner-grid { grid-template-columns: 1fr; }
  .partners-tier-head .seats { margin-left: 0; flex-basis: 100%; }
}