:root {
  --navy-950: #041326;
  --navy-900: #071a33;
  --navy-850: #0a2240;
  --navy-800: #0c2a4c;
  --blue: #174e7b;
  --gold: #d6ad5c;
  --gold-light: #f0d493;
  --cream: #f3f0e8;
  --paper: #faf9f5;
  --ink: #10243a;
  --muted: #667382;
  --line: rgba(16, 36, 58, 0.15);
  --light-line: rgba(255, 255, 255, 0.14);
  --green: #4ba188;
  --container: 1220px;
  --header-height: 78px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

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

html { max-width: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); overflow-x: clip; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans CJK SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  max-width: 100%;
  overflow-x: clip;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button { font: inherit; }
img, svg { display: block; max-width: 100%; }
::selection { color: var(--navy-950); background: var(--gold-light); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 16px;
  color: white;
  background: var(--navy-950);
  transform: translateY(-150%);
}
.skip-link:focus { transform: none; }

.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { padding: 120px 0; position: relative; }
.section-dark { color: white; background: var(--navy-900); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  color: white;
  transition: background .3s ease, box-shadow .3s ease;
}

.site-header.scrolled {
  background: rgba(4, 19, 38, .92);
  box-shadow: 0 1px 0 rgba(255,255,255,.1);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(calc(100% - 48px), 1420px);
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 40px;
}

.brand { display: inline-flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; position: relative; }
.brand-mark::before { content: ""; position: absolute; width: 1px; height: 36px; background: var(--gold); transform: rotate(17deg); }
.brand-mark span { position: absolute; width: 15px; height: 7px; border: 1px solid var(--gold-light); border-radius: 50%; transform: rotate(17deg); }
.brand-mark span:nth-child(1) { top: 3px; left: 7px; }
.brand-mark span:nth-child(2) { top: 12px; left: 11px; }
.brand-mark span:nth-child(3) { top: 21px; left: 15px; }
.brand-mark span:nth-child(4) { top: 30px; left: 19px; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.2; }
.brand-copy strong { font-family: Georgia, "Times New Roman", serif; font-size: 16px; letter-spacing: .08em; }
.brand-copy small { margin-top: 5px; color: rgba(255,255,255,.56); font-size: 8px; letter-spacing: .12em; }

.site-nav { margin-left: auto; display: flex; align-items: center; gap: 25px; }
.site-nav a { position: relative; color: rgba(255,255,255,.73); font-size: 13px; white-space: nowrap; transition: color .25s ease; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 1px; background: var(--gold); transition: right .3s var(--ease); }
.site-nav a:hover, .site-nav a:focus-visible { color: white; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }

.menu-toggle { display: none; border: 0; background: transparent; color: white; padding: 8px; }
.menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 1px; margin: 6px 0; background: currentColor; transition: transform .25s ease, opacity .25s ease; }

.button {
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s ease, border-color .25s ease, color .25s ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 4px; }
.button-gold { color: #10243a; background: var(--gold); }
.button-gold:hover { background: var(--gold-light); }
.button-ghost { color: white; border-color: rgba(255,255,255,.38); background: transparent; }
.button-ghost:hover { border-color: white; background: rgba(255,255,255,.08); }
.button-outline { color: var(--gold-light); border-color: rgba(214,173,92,.55); background: transparent; }
.button-outline:hover { color: var(--navy-950); background: var(--gold-light); }
.button-outline-dark { color: var(--ink); border-color: var(--ink); background: transparent; }
.button-outline-dark:hover { color: white; background: var(--ink); }
.button-large { min-height: 58px; padding-inline: 28px; }
.button-full { width: 100%; }
.text-button { padding: 8px 0; border: 0; color: inherit; background: transparent; cursor: pointer; font-weight: 700; }
.text-button span { display: inline-block; margin-left: 8px; transition: transform .2s ease; }
.text-button:hover span { transform: translate(2px, -2px); }

.hero {
  min-height: 820px;
  height: max(820px, 100svh);
  display: flex;
  align-items: center;
  overflow: hidden;
  contain: paint;
  background:
    radial-gradient(circle at 75% 50%, rgba(22,77,120,.35), transparent 32%),
    linear-gradient(118deg, #041326 0%, #071a33 55%, #0b2947 100%);
}

.hero-grid, .registration-grid {
  position: absolute;
  inset: 0;
  opacity: .13;
  background-image:
    linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px);
  background-size: 90px 90px;
  mask-image: linear-gradient(to right, transparent, #000 55%, transparent);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(4,19,38,.22), transparent 30%, rgba(4,19,38,.7));
  pointer-events: none;
}

.hero-content { position: relative; z-index: 3; padding-top: 70px; }
.hero-kicker { display: flex; gap: 30px; margin-bottom: 38px; color: var(--gold-light); font-size: 11px; letter-spacing: .18em; font-weight: 700; }
.hero-kicker span + span { padding-left: 30px; border-left: 1px solid rgba(255,255,255,.2); }
.eyebrow { margin: 0 0 14px; color: var(--gold-light); font-family: Georgia, "Times New Roman", serif; font-size: 12px; font-weight: 700; letter-spacing: .18em; }
.eyebrow-dark { color: #9a702e; }

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-family: "STSong", "SimSun", Georgia, serif;
  font-size: clamp(54px, 6.2vw, 94px);
  line-height: 1.05;
  letter-spacing: -.035em;
  font-weight: 600;
}
.hero h1 em { color: var(--gold-light); font-style: normal; }
.hero-en { margin: 22px 0 0; color: rgba(255,255,255,.42); font-family: Georgia, "Times New Roman", serif; font-size: clamp(13px, 1.25vw, 18px); line-height: 1.45; letter-spacing: .15em; }
.hero-bottom { width: min(760px, 65%); margin-top: 34px; }
.hero-lead { margin: 0 0 24px; color: rgba(255,255,255,.76); font-size: 15px; line-height: 1.9; }
.hero-meta { display: flex; gap: 46px; padding: 20px 0; border-top: 1px solid var(--light-line); border-bottom: 1px solid var(--light-line); }
.hero-meta div { display: grid; gap: 3px; }
.meta-label { color: rgba(255,255,255,.42); font-family: Georgia, serif; font-size: 10px; letter-spacing: .15em; }
.hero-meta strong { font-size: 16px; }
.hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 24px; }
.share-button { margin-left: 8px; font-size: 13px; }

.spine-visual { position: absolute; z-index: 2; width: 230px; height: 590px; right: 11vw; top: 50%; transform: translateY(-47%) rotate(-5deg); filter: drop-shadow(0 0 28px rgba(214,173,92,.14)); }
.spine-visual img { width: 100%; height: 100%; object-fit: contain; }

.countdown-bar { position: absolute; z-index: 4; left: 0; right: 0; bottom: 0; height: 78px; border-top: 1px solid var(--light-line); background: rgba(3,15,31,.72); backdrop-filter: blur(12px); }
.countdown-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.countdown-inner > p { margin: 0; color: rgba(255,255,255,.7); font-size: 12px; letter-spacing: .08em; }
.status-dot { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(75,161,136,.12); }
.countdown { display: flex; align-items: baseline; gap: 10px; }
.countdown span { display: flex; align-items: baseline; gap: 4px; }
.countdown strong { min-width: 25px; font-family: Georgia, serif; font-size: 25px; color: var(--gold-light); font-weight: 400; text-align: center; }
.countdown small { color: rgba(255,255,255,.45); font-size: 10px; }
.countdown i { color: rgba(255,255,255,.25); font-style: normal; }
.countdown-inner > a { margin-left: auto; color: var(--gold-light); font-size: 12px; font-weight: 700; }

.section-heading { display: grid; grid-template-columns: 250px 1fr; gap: 60px; align-items: start; margin-bottom: 72px; }
.section-heading.compact { margin-bottom: 54px; }
.section-heading h2, .split-heading h2, .topics-intro h2, .history-copy h2, .registration-copy h2, .faq-heading h2 {
  margin: 0;
  font-family: "STSong", "SimSun", Georgia, serif;
  font-size: clamp(38px, 4.4vw, 64px);
  line-height: 1.22;
  font-weight: 600;
  letter-spacing: -.035em;
}
.section-heading h2 span, .split-heading h2 span, .topics-intro h2 span, .history-copy h2 span, .registration-copy h2 span { color: #aa7e32; }
.section-index { display: block; margin-bottom: 28px; color: #9a7b42; font-family: Georgia, serif; font-size: 10px; letter-spacing: .16em; }
.section-index.light { color: rgba(240,212,147,.58); }

.about-layout { display: grid; grid-template-columns: minmax(0, 1fr) 460px; gap: 100px; }
.about-statement { padding-left: 64px; border-left: 1px solid var(--gold); }
.about-statement p { margin: 0 0 24px; color: #536170; font-size: 17px; line-height: 2; }
.about-statement .drop-cap { color: var(--ink); font-size: 20px; }
.drop-cap::first-letter { float: left; margin: 12px 10px 0 0; color: #9a702e; font-family: Georgia, serif; font-size: 66px; line-height: .7; }
.fact-list { margin: 0; border-top: 1px solid var(--ink); }
.fact-list div { display: grid; grid-template-columns: 110px 1fr; gap: 25px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.fact-list dt { color: var(--muted); font-size: 13px; }
.fact-list dd { margin: 0; font-size: 15px; }
.fact-list dd strong { color: #996e28; font-family: Georgia, serif; font-size: 22px; }

.why-section { background: linear-gradient(140deg, var(--navy-950), var(--navy-800)); overflow: hidden; }
.why-section::before { content: "WHY"; position: absolute; right: -30px; top: -130px; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.035); font-family: Georgia, serif; font-size: 330px; line-height: 1; }
.split-heading { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: end; margin-bottom: 70px; }
.split-heading h2 { color: white; }
.split-heading h2 span { color: var(--gold-light); }
.reason-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--light-line); border-left: 1px solid var(--light-line); }
.reason-card { position: relative; min-height: 365px; padding: 44px 38px 38px; border-right: 1px solid var(--light-line); border-bottom: 1px solid var(--light-line); transition: background .3s ease; }
.reason-card:hover { background: rgba(255,255,255,.035); }
.reason-number { position: absolute; right: 28px; top: 24px; color: rgba(255,255,255,.23); font-family: Georgia, serif; font-size: 12px; }
.reason-icon { width: 68px; height: 68px; margin-bottom: 42px; position: relative; border: 1px solid rgba(214,173,92,.4); border-radius: 50%; }
.reason-icon::before, .reason-icon::after, .reason-icon span { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(214,173,92,.55); }
.reason-icon::before { width: 12px; height: 12px; top: 12px; left: 28px; }
.reason-icon::after { width: 25px; height: 25px; bottom: 9px; left: 21px; border-radius: 50% 50% 45% 45%; }
.reason-icon span { width: 4px; height: 18px; top: 25px; left: 31px; border-radius: 2px; border: 0; background: var(--gold); }
.reason-icon-network span { inset: 15px; width: auto; height: auto; background: linear-gradient(45deg, transparent 47%, var(--gold) 48%, var(--gold) 51%, transparent 52%); }
.reason-icon-network::before { top: 13px; left: 13px; }
.reason-icon-network::after { bottom: 13px; left: auto; right: 13px; width: 12px; height: 12px; }
.reason-icon-globe::before { inset: 10px 20px; width: auto; height: auto; }
.reason-icon-globe::after { inset: 21px 7px; width: auto; height: auto; }
.reason-icon-globe span { inset: 8px; width: auto; height: auto; background: transparent; border: 1px solid rgba(214,173,92,.55); }
.reason-card h3 { margin: 0 0 16px; font-family: "STSong", "SimSun", serif; font-size: 25px; font-weight: 600; }
.reason-card p { margin: 0; color: rgba(255,255,255,.62); font-size: 14px; line-height: 1.9; }

.organizations-section { background: var(--cream); }
.organization-list { border-top: 1px solid var(--ink); }
.organization-row { display: grid; grid-template-columns: 100px 115px 1.2fr 1fr; gap: 36px; align-items: center; min-height: 155px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.org-role { color: #92743e; font-size: 12px; font-weight: 700; letter-spacing: .06em; }
.org-monogram { width: 78px; height: 78px; display: grid; place-items: center; border: 1px solid rgba(16,36,58,.25); border-radius: 50%; color: var(--navy-850); font-family: Georgia, serif; font-weight: 700; letter-spacing: -.04em; }
.org-monogram.life { border-radius: 0; transform: rotate(45deg); }
.org-monogram.life::first-line { transform: rotate(-45deg); }
.org-monogram.cac { color: #23755f; border-color: rgba(35,117,95,.4); }
.org-monogram.jinjijian { border-radius: 6px; font-family: "Microsoft YaHei", sans-serif; font-size: 13px; letter-spacing: 0; }
.org-name h3 { margin: 0 0 5px; font-family: "STSong", "SimSun", serif; font-size: 22px; }
.org-name p { margin: 0; color: var(--muted); font-family: Georgia, serif; font-size: 12px; }
.org-description { margin: 0; color: var(--muted); font-size: 14px; }
.verification-note, .agenda-disclaimer { margin: 22px 0 0; color: var(--muted); font-size: 12px; }

.topics-section { overflow: hidden; }
.topics-intro { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 80px; margin-bottom: 60px; }
.topics-intro > p { max-width: 430px; margin: 0 0 8px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.topic-network { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.topic-network a { min-height: 92px; padding: 22px 22px; display: flex; align-items: center; gap: 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 14px; transition: color .25s ease, background .25s ease, padding-left .25s var(--ease); }
.topic-network a span { color: #ae8c51; font-family: Georgia, serif; font-size: 10px; }
.topic-network a:hover { padding-left: 28px; color: #8b641f; background: #f3efe5; }

.faculty-section { background: var(--navy-950); overflow: hidden; }
.faculty-section::after { content: "FACULTY"; position: absolute; bottom: -80px; left: -15px; color: rgba(255,255,255,.018); font-family: Georgia, serif; font-size: 260px; line-height: 1; }
.faculty-stage { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; min-height: 490px; border: 1px solid var(--light-line); }
.faculty-visual { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; overflow: hidden; background: radial-gradient(circle at center, rgba(23,78,123,.35), transparent 60%); }
.faculty-rings, .faculty-rings::before, .faculty-rings::after { position: absolute; border: 1px solid rgba(214,173,92,.15); border-radius: 50%; }
.faculty-rings { width: 340px; height: 340px; }
.faculty-rings::before { content: ""; inset: 44px; }
.faculty-rings::after { content: ""; inset: 98px; background: rgba(214,173,92,.035); }
.faculty-visual > span { position: relative; z-index: 1; color: rgba(240,212,147,.35); font-family: Georgia, serif; font-size: 52px; letter-spacing: .08em; }
.faculty-visual > strong { position: relative; z-index: 1; margin-top: 10px; color: var(--gold-light); font-size: 14px; letter-spacing: .28em; }
.faculty-copy { padding: 70px 68px; border-left: 1px solid var(--light-line); }
.faculty-status { color: rgba(255,255,255,.45); font-family: Georgia, serif; font-size: 10px; letter-spacing: .15em; }
.faculty-status span { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--gold); }
.faculty-copy h3 { margin: 26px 0 22px; font-family: "STSong", "SimSun", serif; font-size: clamp(28px, 3vw, 42px); line-height: 1.35; font-weight: 600; }
.faculty-copy > p:not(.faculty-status) { color: rgba(255,255,255,.62); font-size: 14px; }
.faculty-fields { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 32px; }
.faculty-fields span { padding: 6px 12px; border: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.68); font-size: 11px; }

.agenda-section { background: var(--cream); }
.agenda-shell { display: grid; grid-template-columns: 255px 1fr; min-height: 390px; border: 1px solid rgba(16,36,58,.2); background: var(--paper); }
.agenda-tabs { display: flex; flex-direction: column; border-right: 1px solid rgba(16,36,58,.2); }
.agenda-tabs button { flex: 1; padding: 32px; border: 0; border-bottom: 1px solid rgba(16,36,58,.2); text-align: left; background: transparent; cursor: pointer; transition: color .25s, background .25s; }
.agenda-tabs button:last-child { border-bottom: 0; }
.agenda-tabs button[aria-selected="true"] { color: white; background: var(--navy-850); }
.agenda-tabs span { display: block; margin-bottom: 13px; color: #9b773b; font-family: Georgia, serif; font-size: 12px; letter-spacing: .15em; }
.agenda-tabs button[aria-selected="true"] span { color: var(--gold-light); }
.agenda-tabs strong { font-size: 15px; }
.agenda-panel { padding: 62px 68px 36px; }
.agenda-empty { display: grid; grid-template-columns: 80px 1fr; gap: 30px; align-items: center; min-height: 200px; }
.agenda-clock { width: 70px; height: 70px; position: relative; border: 1px solid #aa8447; border-radius: 50%; }
.agenda-clock::before { content: ""; position: absolute; width: 1px; height: 20px; left: 34px; top: 15px; background: #aa8447; transform-origin: bottom; transform: rotate(25deg); }
.agenda-clock::after { content: ""; position: absolute; width: 16px; height: 1px; left: 34px; top: 35px; background: #aa8447; transform-origin: left; transform: rotate(-20deg); }
.agenda-empty h3 { margin: 0 0 10px; font-family: "STSong", "SimSun", serif; font-size: 30px; }
.agenda-empty p:last-child { margin: 0; color: var(--muted); font-size: 14px; }
.agenda-preview { display: flex; gap: 25px; align-items: center; padding-top: 22px; border-top: 1px solid var(--line); }
.agenda-preview span { color: #9a702e; font-size: 11px; font-weight: 700; }
.agenda-preview p { margin: 0; color: var(--muted); font-size: 13px; }

.audience-section { background: var(--paper); }
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.audience-card { position: relative; min-height: 330px; padding: 46px 38px 36px; border-right: 1px solid var(--line); }
.audience-card:first-child { border-left: 1px solid var(--line); }
.audience-letter { position: absolute; right: 25px; top: 18px; color: rgba(16,36,58,.08); font-family: Georgia, serif; font-size: 100px; line-height: 1; }
.audience-card h3 { margin: 38px 0 18px; font-family: "STSong", "SimSun", serif; font-size: 27px; }
.audience-card p { color: var(--muted); font-size: 14px; }
.audience-card a { position: absolute; left: 38px; bottom: 32px; color: #8d6729; font-size: 13px; font-weight: 700; }
.audience-card a span { margin-left: 8px; }

.history-section { color: white; overflow: hidden; background: linear-gradient(105deg, #0b3150, var(--navy-950)); }
.history-section::before { content: ""; position: absolute; inset: 0; opacity: .1; background-image: linear-gradient(110deg, transparent 48%, rgba(255,255,255,.22) 49%, transparent 50%); background-size: 90px 100%; }
.history-layout { position: relative; display: grid; grid-template-columns: .7fr 1.3fr; gap: 100px; align-items: end; }
.history-copy h2 { margin: 15px 0 26px; }
.history-copy h2 span { color: var(--gold-light); }
.history-copy > p:last-child { max-width: 410px; color: rgba(255,255,255,.58); font-size: 14px; }
.year-track { display: grid; grid-template-columns: repeat(4, 1fr); align-items: end; min-height: 320px; border-bottom: 1px solid rgba(255,255,255,.3); }
.year-track div { position: relative; height: 55%; padding: 32px 14px; border-left: 1px solid rgba(255,255,255,.16); }
.year-track div::after { content: ""; position: absolute; bottom: -5px; left: -5px; width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.35); }
.year-track div:nth-child(2) { height: 68%; }
.year-track div:nth-child(3) { height: 82%; }
.year-track div.current { height: 100%; color: var(--navy-950); background: var(--gold); }
.year-track div.current::after { background: var(--gold-light); box-shadow: 0 0 0 5px rgba(214,173,92,.2); }
.year-track span { display: block; margin-bottom: 12px; font-family: Georgia, serif; font-size: 10px; }
.year-track strong { display: block; font-family: Georgia, serif; font-size: 17px; letter-spacing: .08em; }
.year-track p { margin: 8px 0 0; font-size: 12px; }

.announcement-section { background: var(--cream); }
.announcement-layout { display: grid; grid-template-columns: 230px 1fr; gap: 90px; }
.announcement-label { min-height: 300px; padding: 30px; display: flex; flex-direction: column; justify-content: center; border: 1px solid var(--ink); text-align: center; }
.announcement-label span { color: #92743e; font-family: Georgia, serif; font-size: 11px; letter-spacing: .2em; }
.announcement-label strong { margin: 25px 0; font-family: "STSong", "SimSun", serif; font-size: 30px; }
.announcement-label small { color: var(--muted); font-size: 10px; }
.announcement-content { max-width: 780px; }
.announcement-content h2 { margin: 10px 0 28px; font-family: "STSong", "SimSun", serif; font-size: clamp(29px, 3.2vw, 44px); line-height: 1.4; }
.announcement-content > p { color: #4c5b69; }
.announcement-actions { display: flex; align-items: center; gap: 24px; margin-top: 35px; }

.registration-section { overflow: hidden; background: linear-gradient(130deg, var(--navy-950), #0b3556); }
.innovation-entry-section { background: #e9e8e1; }
.innovation-entry-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid rgba(16,36,58,.2); }
.innovation-entry { min-height: 430px; padding: 52px; position: relative; overflow: hidden; color: white; }
.innovation-entry + .innovation-entry { border-left: 1px solid rgba(255,255,255,.18); }
.innovation-entry.brand-entry { background: linear-gradient(135deg,#071a33,#0d4356); }
.innovation-entry.sleep-entry { background: linear-gradient(135deg,#0a2948,#225e67); }
.innovation-entry::after { content:""; position:absolute; width:270px; height:270px; right:-80px; bottom:-90px; border:1px solid rgba(255,255,255,.13); border-radius:50%; box-shadow:0 0 0 55px rgba(255,255,255,.025); }
.innovation-entry .entry-number { position:absolute; right:30px; top:24px; color:rgba(255,255,255,.2); font-family:Georgia,serif; font-size:70px; line-height:1; }
.innovation-entry h3 { max-width: 500px; margin: 45px 0 22px; font-family:"STSong","SimSun",serif; font-size:clamp(31px,3.2vw,45px); line-height:1.3; }
.innovation-entry > p:not(.eyebrow) { max-width: 500px; color:rgba(255,255,255,.65); font-size:14px; }
.innovation-entry > div:last-child { position:absolute; z-index:2; left:52px; bottom:45px; display:flex; align-items:center; gap:22px; }
.button-teal { color:#041326; background:#74b5b2; }
.button-teal:hover { background:#d9eeea; }
.registration-layout { position: relative; display: grid; grid-template-columns: 1fr 470px; gap: 110px; align-items: center; }
.registration-copy h2 { margin: 15px 0 28px; }
.registration-copy h2 span { color: var(--gold-light); }
.registration-copy > p { max-width: 620px; color: rgba(255,255,255,.63); }
.registration-steps { margin: 42px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; list-style: none; border-top: 1px solid var(--light-line); border-left: 1px solid var(--light-line); }
.registration-steps li { padding: 20px; border-right: 1px solid var(--light-line); border-bottom: 1px solid var(--light-line); font-size: 13px; }
.registration-steps span { margin-right: 15px; color: var(--gold); font-family: Georgia, serif; font-size: 10px; }
.price-panel { padding: 46px; color: var(--ink); background: var(--cream); box-shadow: 0 24px 80px rgba(0,0,0,.22); }
.price-label { margin: 0; color: #92743e; font-family: Georgia, serif; font-size: 10px; letter-spacing: .18em; }
.price { display: flex; align-items: flex-start; margin: 14px 0 0; font-family: Georgia, serif; line-height: 1; }
.price span { margin-top: 13px; color: #9a702e; font-size: 21px; }
.price strong { font-size: 76px; font-weight: 400; letter-spacing: -.06em; }
.price-unit { margin: 5px 0 18px; color: var(--muted); font-size: 12px; }
.early-bird { padding: 12px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.price-panel .button { margin-top: 10px; }
.price-panel .button-ghost { color: var(--ink); border-color: rgba(16,36,58,.3); }
.price-panel .button-ghost:hover { border-color: var(--ink); background: transparent; }
.registration-link { cursor: not-allowed; }
.copy-wechat { width: 100%; margin-top: 12px; padding: 13px 16px; border: 1px solid var(--line); display: grid; grid-template-columns: auto 1fr auto; gap: 13px; text-align: left; color: var(--ink); background: transparent; cursor: pointer; }
.copy-wechat span, .copy-wechat small { color: var(--muted); font-size: 11px; }
.copy-wechat strong { text-align: center; font-size: 13px; }
.security-note { margin: 20px 0 0; color: #6d6250; font-size: 11px; line-height: 1.7; }
.security-note span { margin-right: 8px; color: #9a702e; }

.faq-section { background: var(--paper); }
.faq-layout { display: grid; grid-template-columns: 350px 1fr; gap: 100px; }
.faq-heading { position: sticky; top: 120px; align-self: start; }
.faq-heading h2 { margin: 15px 0 25px; }
.faq-heading > p:last-of-type { margin: 0; color: var(--muted); font-size: 13px; }
.faq-heading > a { display: inline-block; margin-top: 9px; color: #8e682b; font-family: Georgia, serif; font-size: 19px; font-weight: 700; }
.accordion { border-top: 1px solid var(--ink); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { position: relative; padding: 24px 50px 24px 0; list-style: none; cursor: pointer; font-family: "STSong", "SimSun", serif; font-size: 19px; font-weight: 600; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span::before, .accordion summary span::after { content: ""; position: absolute; right: 10px; top: 35px; width: 16px; height: 1px; background: var(--ink); transition: transform .25s ease; }
.accordion summary span::after { transform: rotate(90deg); }
.accordion details[open] summary span::after { transform: rotate(0); }
.accordion details p { max-width: 720px; margin: -8px 0 24px; color: var(--muted); font-size: 14px; }

.site-footer { padding: 72px 0 24px; color: white; background: #03101f; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; padding-bottom: 55px; }
.footer-brand { display: flex; gap: 20px; align-items: flex-start; }
.footer-brand .brand-mark { flex: 0 0 auto; }
.footer-brand strong { display: block; max-width: 500px; font-family: "STSong", "SimSun", serif; font-size: 20px; line-height: 1.5; }
.footer-brand p { max-width: 490px; margin: 8px 0 0; color: rgba(255,255,255,.35); font-family: Georgia, serif; font-size: 9px; letter-spacing: .08em; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.footer-links div { display: flex; flex-direction: column; gap: 8px; }
.footer-links strong { margin-bottom: 8px; color: var(--gold-light); font-size: 12px; }
.footer-links a, .footer-links button, .footer-links span { padding: 0; border: 0; color: rgba(255,255,255,.55); background: transparent; text-align: left; font-size: 12px; cursor: pointer; }
.footer-links a:hover, .footer-links button:hover { color: white; }
.footer-disclaimer { padding: 30px 0; border-top: 1px solid rgba(255,255,255,.1); border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-disclaimer p { margin: 0 0 9px; color: rgba(255,255,255,.35); font-size: 10px; line-height: 1.8; }
.footer-bottom { padding-top: 20px; display: flex; gap: 30px; color: rgba(255,255,255,.28); font-family: Georgia, serif; font-size: 10px; }
.footer-bottom a:first-of-type { margin-left: auto; }
.footer-bottom a:hover { color: rgba(255,255,255,.65); }

.mobile-action-bar { display: none; }
.toast { position: fixed; z-index: 300; left: 50%; bottom: 30px; padding: 11px 18px; color: white; background: rgba(4,19,38,.94); box-shadow: 0 10px 40px rgba(0,0,0,.25); font-size: 13px; opacity: 0; pointer-events: none; transform: translate(-50%, 15px); transition: opacity .25s, transform .25s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1180px) {
  .site-nav { gap: 17px; }
  .site-nav a:nth-child(7), .site-nav a:nth-child(8) { display: none; }
  .spine-visual { right: 4vw; opacity: .78; }
  .about-layout { gap: 60px; }
  .registration-layout { gap: 70px; }
}

@media (max-width: 960px) {
  :root { --header-height: 70px; }
  .section { padding: 90px 0; }
  .site-nav { position: fixed; inset: var(--header-height) 0 0; margin: 0; padding: 42px 24px 120px; display: flex; flex-direction: column; align-items: flex-start; gap: 0; background: rgba(4,19,38,.98); opacity: 0; visibility: hidden; transform: translateY(-12px); transition: opacity .25s, visibility .25s, transform .25s; }
  .site-nav.open { opacity: 1; visibility: visible; transform: none; }
  .site-nav a, .site-nav a:nth-child(6), .site-nav a:nth-child(7), .site-nav a:nth-child(8) { width: 100%; padding: 14px 0; display: block; border-bottom: 1px solid rgba(255,255,255,.1); font-family: "STSong", "SimSun", serif; font-size: 22px; }
  .site-nav a::after { display: none; }
  .menu-toggle { margin-left: auto; display: block; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .header-cta { display: none; }
  .hero { min-height: 800px; height: 100svh; }
  .hero-content { padding-top: 50px; }
  .hero-bottom { width: min(680px, 83%); }
  .spine-visual { right: -65px; opacity: .4; }
  .section-heading { grid-template-columns: 180px 1fr; gap: 35px; }
  .about-layout { grid-template-columns: 1fr; }
  .fact-list { margin-left: 64px; }
  .split-heading { grid-template-columns: 1fr 1.7fr; }
  .reason-card { min-height: 400px; padding-inline: 26px; }
  .organization-row { grid-template-columns: 90px 90px 1fr; gap: 25px; }
  .org-description { grid-column: 3; margin-top: -30px; }
  .topic-network { grid-template-columns: repeat(2, 1fr); }
  .faculty-copy { padding: 50px 40px; }
  .agenda-shell { grid-template-columns: 220px 1fr; }
  .agenda-panel { padding-inline: 45px; }
  .audience-card { padding-inline: 26px; }
  .audience-card a { left: 26px; }
  .history-layout { grid-template-columns: 1fr; gap: 55px; }
  .year-track { min-height: 280px; }
  .announcement-layout { gap: 50px; }
  .registration-layout { grid-template-columns: 1fr 400px; gap: 45px; }
  .faq-layout { grid-template-columns: 280px 1fr; gap: 55px; }
}

@media (max-width: 720px) {
  :root { --header-height: 64px; }
  body { font-size: 16px; padding-bottom: 64px; }
  .container, .header-inner { width: min(calc(100% - 32px), var(--container)); }
  .section { padding: 72px 0; }
  .brand-copy strong { font-size: 13px; }
  .brand-copy small { display: none; }
  .brand-mark { width: 34px; height: 34px; }
  .hero { min-height: 740px; height: 100svh; max-height: 900px; align-items: flex-start; }
  .hero-grid { background-size: 64px 64px; }
  .hero-content { padding-top: 110px; }
  .hero-kicker { gap: 12px; margin-bottom: 25px; font-size: 8px; letter-spacing: .1em; }
  .hero-kicker span + span { padding-left: 12px; }
  .hero-title-wrap .eyebrow { font-size: 11px; }
  .hero h1 { font-size: clamp(40px, 12vw, 60px); line-height: 1.12; letter-spacing: -.05em; }
  .hero-en { margin-top: 15px; font-size: 9px; letter-spacing: .1em; }
  .hero-bottom { width: 100%; margin-top: 22px; }
  .hero-lead { display: none; }
  .hero-meta { gap: 24px; padding: 16px 0; }
  .hero-meta strong { font-size: 13px; }
  .hero-actions { display: grid; grid-template-columns: 1.2fr 1fr; gap: 10px; }
  .hero-actions .button { min-height: 48px; padding: 0 13px; font-size: 12px; }
  .hero-actions .share-button { display: none; }
  .spine-visual { width: 170px; height: 470px; right: -75px; top: 44%; opacity: .3; }
  .countdown-bar { height: 72px; }
  .countdown-inner { gap: 13px; }
  .countdown-inner > p { display: none; }
  .countdown { gap: 5px; }
  .countdown strong { min-width: 22px; font-size: 20px; }
  .countdown-inner > a { font-size: 11px; }
  .section-heading, .split-heading, .topics-intro { grid-template-columns: 1fr; gap: 16px; margin-bottom: 45px; }
  .section-heading h2, .split-heading h2, .topics-intro h2, .history-copy h2, .registration-copy h2, .faq-heading h2 { font-size: clamp(34px, 9vw, 48px); }
  .section-index { margin-bottom: 15px; }
  .about-layout { gap: 45px; }
  .about-statement { padding-left: 25px; }
  .about-statement .drop-cap { font-size: 17px; }
  .about-statement p { font-size: 15px; }
  .fact-list { margin-left: 0; }
  .fact-list div { grid-template-columns: 85px 1fr; gap: 12px; }
  .reason-grid { grid-template-columns: 1fr; }
  .reason-card { min-height: auto; padding: 32px 28px; }
  .reason-icon { width: 55px; height: 55px; margin-bottom: 25px; transform: scale(.82); transform-origin: left; }
  .organization-row { grid-template-columns: 70px 1fr; gap: 20px; padding: 28px 0; }
  .org-role { grid-column: 1 / -1; }
  .org-monogram { width: 64px; height: 64px; }
  .org-name h3 { font-size: 19px; }
  .org-description { grid-column: 1 / -1; margin-top: 0; }
  .topics-intro > p { font-size: 14px; }
  .topic-network { grid-template-columns: 1fr; }
  .topic-network a { min-height: 72px; }
  .faculty-stage { grid-template-columns: 1fr; }
  .faculty-visual { min-height: 270px; }
  .faculty-rings { width: 240px; height: 240px; }
  .faculty-visual > span { font-size: 38px; }
  .faculty-copy { padding: 38px 25px 42px; border-left: 0; border-top: 1px solid var(--light-line); }
  .agenda-shell { grid-template-columns: 1fr; }
  .agenda-tabs { flex-direction: row; border-right: 0; border-bottom: 1px solid var(--line); }
  .agenda-tabs button { padding: 20px 16px; border-right: 1px solid var(--line); border-bottom: 0; }
  .agenda-tabs button:last-child { border-right: 0; }
  .agenda-tabs strong { font-size: 12px; }
  .agenda-panel { padding: 38px 22px 28px; }
  .agenda-empty { grid-template-columns: 50px 1fr; gap: 18px; }
  .agenda-clock { width: 46px; height: 46px; }
  .agenda-clock::before { left: 22px; top: 10px; height: 13px; }
  .agenda-clock::after { left: 22px; top: 23px; width: 11px; }
  .agenda-empty h3 { font-size: 23px; }
  .agenda-preview { display: block; }
  .agenda-preview p { margin-top: 8px; }
  .audience-grid { grid-template-columns: 1fr; }
  .audience-card { min-height: 275px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .history-layout { gap: 45px; }
  .year-track { min-height: 235px; }
  .year-track div { padding: 20px 8px; }
  .year-track strong { font-size: 12px; }
  .year-track p { font-size: 9px; writing-mode: vertical-rl; }
  .announcement-layout { grid-template-columns: 1fr; gap: 35px; }
  .announcement-label { min-height: 105px; padding: 20px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; }
  .announcement-label strong { margin: 0; font-size: 24px; }
  .announcement-content h2 { font-size: 29px; }
  .registration-layout { grid-template-columns: 1fr; gap: 50px; }
  .innovation-entry-grid { grid-template-columns: 1fr; }
  .innovation-entry { min-height: 400px; padding: 36px 24px; }
  .innovation-entry + .innovation-entry { border-left: 0; border-top: 1px solid rgba(255,255,255,.18); }
  .innovation-entry > div:last-child { left:24px; bottom:34px; }
  .registration-steps { grid-template-columns: 1fr; }
  .price-panel { padding: 32px 24px; }
  .price strong { font-size: 64px; }
  .faq-layout { grid-template-columns: 1fr; gap: 45px; }
  .faq-heading { position: static; }
  .footer-top { grid-template-columns: 1fr; gap: 45px; }
  .footer-links { gap: 35px; }
  .footer-bottom { flex-wrap: wrap; gap: 15px; }
  .footer-bottom a:first-of-type { margin-left: 0; }
  .mobile-action-bar { position: fixed; z-index: 150; left: 0; right: 0; bottom: 0; height: 64px; padding: 8px max(12px, env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); display: grid; grid-template-columns: .8fr 1.2fr; gap: 8px; background: rgba(4,19,38,.96); backdrop-filter: blur(14px); }
  .mobile-action-bar a { display: grid; place-items: center; border: 1px solid rgba(255,255,255,.25); color: white; font-size: 13px; font-weight: 700; }
  .mobile-action-bar a:last-child { color: var(--navy-950); border-color: var(--gold); background: var(--gold); }
  .toast { bottom: 82px; white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .hero, .mobile-action-bar, .registration-section, .site-footer, .share-button, .print-button { display: none !important; }
  .section { padding: 30px 0; }
  .announcement-section { display: block; background: white; }
  .announcement-layout { display: block; }
  .announcement-label { min-height: auto; margin-bottom: 30px; }
  .reveal { opacity: 1; transform: none; }
}

/* Congress knowledge framework */
.knowledge-framework { background: var(--paper); border-top: 1px solid var(--line); }
.knowledge-heading { align-items: start; }
.knowledge-heading > div:last-child { max-width: 760px; }
.knowledge-heading h2 { margin-bottom: 24px; }
.knowledge-subtitle { max-width: 720px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.8; }
.knowledge-flow { display: grid; grid-template-columns: repeat(6, 1fr); margin: 70px 0 54px; border-block: 1px solid var(--line); }
.knowledge-flow a { position: relative; min-height: 142px; padding: 28px 34px 26px 20px; border-right: 1px solid var(--line); transition: color .25s ease, background .25s ease; }
.knowledge-flow a:first-child { border-left: 1px solid var(--line); }
.knowledge-flow a:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; top: 50%; right: -14px; display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid var(--line); color: #8d6729; background: var(--paper); transform: translateY(-50%); }
.knowledge-flow a:hover, .knowledge-flow a:focus-visible { color: white; background: var(--navy-850); }
.knowledge-flow span { display: block; margin-bottom: 22px; color: #987037; font: 12px/1 Georgia, serif; letter-spacing: .12em; }
.knowledge-flow a:hover span, .knowledge-flow a:focus-visible span { color: var(--gold-light); }
.knowledge-flow strong { display: block; font-size: 15px; line-height: 1.55; }
.knowledge-copy { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 38px; padding: 36px 0 70px; border-bottom: 1px solid var(--ink); }
.knowledge-copy p { margin: 0; color: var(--muted); font-size: 16px; }
.knowledge-copy p:first-child { color: var(--ink); font-size: 18px; }
.anchor-target { position: relative; top: calc(-1 * var(--header-height)); display: block; }

.day-program { padding: 82px 0 36px; border-bottom: 1px solid var(--ink); scroll-margin-top: calc(var(--header-height) + 20px); }
.day-program-header { display: grid; grid-template-columns: 180px 1fr; gap: 40px; align-items: end; }
.day-program-header > div { display: flex; flex-direction: column; gap: 8px; }
.day-number { color: #8d6729; font: 16px/1 Georgia, serif; letter-spacing: .12em; }
.day-program-header time { color: var(--muted); font-size: 15px; }
.day-program-header h3 { max-width: 850px; margin: 0; font-family: "STSong", "SimSun", serif; font-size: clamp(30px, 3.4vw, 48px); font-weight: 400; line-height: 1.25; }
.day-program-two .day-number { color: var(--blue); }
.day-logic { display: grid; grid-template-columns: repeat(6, 1fr); padding: 0; margin: 40px 0 34px; list-style: none; counter-reset: day-step; border-block: 1px solid var(--line); }
.day-logic li { position: relative; min-height: 78px; padding: 20px 24px 18px 48px; border-right: 1px solid var(--line); font-size: 13px; font-weight: 700; line-height: 1.5; }
.day-logic li:first-child { border-left: 1px solid var(--line); }
.day-logic li::before { counter-increment: day-step; content: counter(day-step, decimal-leading-zero); position: absolute; left: 15px; top: 21px; color: #9a702e; font: 11px/1 Georgia, serif; }
.agenda-list { display: grid; gap: 14px; }
.framework-loading, .framework-error { padding: 32px; border: 1px solid var(--line); color: var(--muted); background: white; }
.framework-error { color: #7b2d2d; border-color: rgba(123,45,45,.3); }
.agenda-card { display: grid; grid-template-columns: 154px minmax(0, 1fr); border: 1px solid var(--line); background: white; transition: transform .25s var(--ease), box-shadow .25s ease, opacity .25s ease, border-color .25s ease; scroll-margin-top: calc(var(--header-height) + 22px); }
.agenda-card:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(16,36,58,.08); }
.agenda-card-time { padding: 28px 24px; color: white; background: var(--navy-850); }
.day-program-two .agenda-card-time { background: #123858; }
.agenda-card-time time { display: block; font: 22px/1.25 Georgia, serif; }
.agenda-card-time span { display: block; margin-top: 14px; color: var(--gold-light); font-size: 12px; letter-spacing: .08em; }
.agenda-card-main { min-width: 0; padding: 26px 30px 24px; }
.agenda-card-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; margin-bottom: 12px; }
.agenda-card-speakers { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; font-weight: 700; }
.agenda-card-speakers a { color: #77541e; border-bottom: 1px solid rgba(119,84,30,.35); }
.agenda-card-speakers a:hover { border-bottom-color: currentColor; }
.agenda-format { color: var(--muted); font-size: 12px; letter-spacing: .08em; }
.agenda-card h4 { margin: 0; font-family: "STSong", "SimSun", serif; font-size: clamp(21px, 2vw, 28px); font-weight: 600; line-height: 1.45; }
.agenda-category { display: inline-flex; min-height: 28px; align-items: center; margin-top: 16px; padding: 3px 10px; border: 1px solid rgba(141,103,41,.32); color: #77541e; font-size: 12px; }
.agenda-value { margin: 18px 0 0; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.agenda-value strong { display: block; margin-bottom: 5px; color: var(--ink); font-size: 12px; letter-spacing: .08em; }
.agenda-value-toggle { display: none; }
.agenda-panelists { margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.agenda-panelists a { color: #77541e; text-decoration: underline; text-decoration-color: rgba(119,84,30,.32); text-underline-offset: 3px; }
.agenda-card-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 18px; }
.agenda-card-actions a { display: inline-flex; min-height: 44px; align-items: center; color: #77541e; font-size: 13px; font-weight: 700; }
.agenda-card-actions a + a { color: var(--ink); }
.agenda-detail-entry { min-width: 0; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.agenda-detail-toggle { display: inline-flex; min-height: 44px; align-items: center; padding: 0; border: 0; color: #77541e; background: transparent; font-size: 14px; font-weight: 700; cursor: pointer; }
.agenda-detail-toggle::after { content: "＋"; margin-left: 8px; font-weight: 400; }
.agenda-detail-toggle[aria-expanded="true"]::after { content: "－"; }
.agenda-detail-panel { min-width: 0; max-width: 100%; margin-top: 16px; padding: 28px; overflow-wrap: anywhere; background: var(--cream); }
.agenda-detail-panel[hidden] { display: none; }
.agenda-detail-question { margin: 0; padding-bottom: 22px; border-bottom: 1px solid rgba(141,103,41,.25); color: var(--ink); font-family: "STSong", "SimSun", serif; font-size: 21px; line-height: 1.65; }
.agenda-detail-question strong { display: block; margin-bottom: 7px; color: #8d6729; font-family: Arial, "Microsoft YaHei", sans-serif; font-size: 11px; letter-spacing: .09em; }
.agenda-detail-block { margin-top: 24px; }
.agenda-detail-block h5 { margin: 0 0 9px; color: var(--ink); font-size: 15px; }
.agenda-detail-block p, .agenda-detail-block li { color: var(--muted); font-size: 15px; line-height: 1.8; }
.agenda-detail-block p { margin: 0; }
.agenda-detail-block ul, .agenda-detail-block ol { padding-left: 1.4em; margin: 0; }
.agenda-detail-block li + li { margin-top: 7px; }
.agenda-detail-audience { display: flex; flex-wrap: wrap; gap: 8px; }
.agenda-detail-audience span { max-width: 100%; padding: 6px 10px; border: 1px solid rgba(141,103,41,.3); color: #77541e; background: white; font-size: 13px; }
.agenda-detail-boundary { padding: 18px; border-left: 3px solid #9a702e; background: white; }
.agenda-detail-source { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 24px 0 0; padding-top: 14px; border-top: 1px solid rgba(141,103,41,.25); color: var(--muted); font-size: 11px; line-height: 1.6; }
.agenda-list.has-filter .agenda-card:not(.is-match) { opacity: .32; }
.agenda-list.has-filter .agenda-card.is-match { border-color: #9b773b; box-shadow: inset 4px 0 0 var(--gold); }
.day-summary { max-width: 970px; margin: 36px 0 0 194px; color: var(--muted); font-size: 16px; }
.day-summary strong { display: block; margin-bottom: 9px; color: var(--ink); font-size: 12px; letter-spacing: .08em; }

.expert-roles, .audience-paths { padding-top: 96px; scroll-margin-top: calc(var(--header-height) + 20px); }
.framework-section-heading { max-width: 820px; margin-bottom: 42px; }
.framework-section-heading h3 { margin: 10px 0 16px; font-family: "STSong", "SimSun", serif; font-size: clamp(32px, 4vw, 52px); font-weight: 400; line-height: 1.25; }
.framework-section-heading > p:last-child { margin: 0; color: var(--muted); font-size: 17px; }
.role-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); }
.role-card { min-width: 0; padding: 34px 26px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.role-card:first-child { border-left: 1px solid var(--line); }
.role-index { color: #9a702e; font: 12px/1 Georgia, serif; letter-spacing: .12em; }
.role-card h4 { min-height: 66px; margin: 24px 0 12px; font-family: "STSong", "SimSun", serif; font-size: 22px; line-height: 1.45; }
.role-editorial-label { display: block; margin-bottom: 8px; color: #9a702e; font-size: 10px; letter-spacing: .08em; }
.role-card > p { color: var(--muted); font-size: 14px; }
.role-responsibilities { padding: 18px 0 0; margin: 22px 0 0; border-top: 1px solid var(--line); list-style: none; }
.role-responsibilities li { position: relative; padding-left: 16px; margin: 8px 0; color: var(--muted); font-size: 13px; }
.role-responsibilities li::before { content: "·"; position: absolute; left: 0; color: #9a702e; }
.role-speakers { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.role-speakers a { display: inline-flex; min-height: 36px; align-items: center; padding: 5px 9px; border: 1px solid var(--line); color: #77541e; font-size: 12px; }
.role-speakers a:hover { border-color: #9a702e; background: var(--cream); }
.role-equation { display: flex; align-items: stretch; margin-top: 42px; border-block: 1px solid var(--ink); }
.role-equation span { flex: 1; display: grid; min-height: 84px; place-items: center; padding: 14px; text-align: center; font-weight: 700; }
.role-equation b { display: grid; place-items: center; color: #9a702e; font: 24px/1 Georgia, serif; }
.role-conclusion { margin: 16px 0 0; color: var(--muted); text-align: center; }

.audience-paths { padding-bottom: 18px; }
.audience-path-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--ink); background: var(--line); }
.audience-path-button { min-height: 190px; padding: 26px; border: 0; color: var(--ink); background: white; text-align: left; cursor: pointer; transition: color .25s ease, background .25s ease; }
.audience-path-button:hover, .audience-path-button:focus-visible, .audience-path-button[aria-pressed="true"] { color: white; background: var(--navy-850); }
.audience-path-button span { display: block; margin-bottom: 18px; color: #9a702e; font: 12px/1 Georgia, serif; }
.audience-path-button[aria-pressed="true"] span, .audience-path-button:hover span { color: var(--gold-light); }
.audience-path-button strong { display: block; margin-bottom: 10px; font-family: "STSong", "SimSun", serif; font-size: 21px; }
.audience-path-button small { display: block; color: var(--muted); font-size: 13px; line-height: 1.65; }
.audience-path-button:hover small, .audience-path-button[aria-pressed="true"] small { color: rgba(255,255,255,.72); }
.audience-match-status { margin: 18px 0 0; color: var(--muted); font-size: 14px; }
.audience-clear { min-height: 44px; margin-top: 4px; color: #77541e; }
.framework-actions { display: flex; gap: 12px; margin-top: 48px; }
.agenda-index-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--ink); }
.agenda-index-grid a { display: flex; min-height: 230px; flex-direction: column; padding: 36px; border-right: 1px solid var(--line); background: white; transition: color .25s ease, background .25s ease; }
.agenda-index-grid a:last-child { border-right: 0; }
.agenda-index-grid a:hover { color: white; background: var(--navy-850); }
.agenda-index-grid span { color: #9a702e; font: 13px/1 Georgia, serif; letter-spacing: .08em; }
.agenda-index-grid strong { max-width: 500px; margin-top: 28px; font-family: "STSong", "SimSun", serif; font-size: 27px; line-height: 1.45; }
.agenda-index-grid em { margin-top: auto; color: #8d6729; font-size: 13px; font-style: normal; font-weight: 700; }
.agenda-index-grid a:hover span, .agenda-index-grid a:hover em { color: var(--gold-light); }

@media (max-width: 1050px) {
  .knowledge-flow { grid-template-columns: repeat(3, 1fr); }
  .knowledge-flow a:nth-child(3) { border-right: 1px solid var(--line); }
  .knowledge-flow a:nth-child(3)::after { display: none; }
  .role-grid { grid-template-columns: repeat(2, 1fr); }
  .role-card:nth-child(3) { border-left: 1px solid var(--line); }
  .role-card h4 { min-height: auto; }
}

@media (max-width: 720px) {
  .knowledge-framework, .knowledge-framework p, .knowledge-framework li, .knowledge-framework button, .knowledge-framework a { font-size: 16px; }
  .knowledge-subtitle, .framework-section-heading > p:last-child { font-size: 16px; }
  .knowledge-flow { grid-template-columns: 1fr; margin: 42px 0 32px; border-block: 0; }
  .knowledge-flow a, .knowledge-flow a:first-child { min-height: 76px; padding: 17px 48px 17px 58px; border: 1px solid var(--line); border-bottom: 0; }
  .knowledge-flow a:last-child { border-bottom: 1px solid var(--line); }
  .knowledge-flow a:not(:last-child)::after, .knowledge-flow a:nth-child(3)::after { content: "↓"; top: auto; right: auto; bottom: -14px; left: 19px; display: grid; transform: none; }
  .knowledge-flow span { position: absolute; left: 18px; top: 22px; margin: 0; font-size: 11px; }
  .knowledge-flow strong { font-size: 16px; }
  .knowledge-copy { grid-template-columns: 1fr; gap: 18px; padding: 26px 0 54px; }
  .knowledge-copy p, .knowledge-copy p:first-child { font-size: 16px; }
  .day-program { padding-top: 58px; }
  .day-program-header { grid-template-columns: 1fr; gap: 18px; }
  .day-program-header > div { flex-direction: row; justify-content: space-between; }
  .day-program-header h3 { font-size: 30px; }
  .day-logic { grid-template-columns: 1fr; margin: 28px 0 24px; border-block: 0; }
  .day-logic li, .day-logic li:first-child { min-height: 54px; padding: 15px 18px 14px 50px; border: 1px solid var(--line); border-bottom: 0; font-size: 14px; }
  .day-logic li:last-child { border-bottom: 1px solid var(--line); }
  .day-logic li::before { top: 18px; }
  .agenda-card { grid-template-columns: 1fr; }
  .agenda-card-time { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; }
  .agenda-card-time time { font-size: 20px; }
  .agenda-card-time span { margin: 0; font-size: 12px; }
  .agenda-card-main { padding: 22px 18px 20px; }
  .agenda-card-meta { display: block; }
  .agenda-card-speakers { margin-bottom: 8px; }
  .agenda-format { font-size: 12px; }
  .agenda-card h4 { font-size: 22px; }
  .agenda-category { font-size: 12px !important; }
  .agenda-value { display: none; font-size: 16px; }
  .agenda-value[data-expanded="true"] { display: block; }
  .agenda-value-toggle { display: inline-flex; min-height: 44px; align-items: center; margin-top: 14px; padding: 0; border: 0; color: #77541e; background: transparent; font-size: 14px !important; font-weight: 700; cursor: pointer; }
  .agenda-card-actions { gap: 20px; }
  .agenda-card-actions a { min-height: 44px; font-size: 14px; }
  .agenda-detail-panel { padding: 22px 16px; }
  .agenda-detail-question { font-size: 19px; }
  .agenda-detail-block p, .agenda-detail-block li { font-size: 16px; }
  .agenda-detail-audience span { font-size: 14px; }
  .agenda-detail-source { display: grid; font-size: 12px; }
  .day-summary { margin: 28px 0 0; font-size: 16px; }
  .expert-roles, .audience-paths { padding-top: 72px; }
  .role-grid { grid-template-columns: 1fr; }
  .role-card, .role-card:first-child, .role-card:nth-child(3) { padding: 28px 22px; border-left: 1px solid var(--line); }
  .role-card h4 { margin-top: 18px; font-size: 23px; }
  .role-card > p, .role-responsibilities li { font-size: 16px; }
  .role-speakers a { min-height: 44px; font-size: 14px; }
  .role-equation { flex-direction: column; }
  .role-equation span { min-height: 64px; }
  .role-equation b { min-height: 30px; }
  .audience-path-grid { grid-template-columns: 1fr; }
  .audience-path-button { min-height: 156px; }
  .audience-path-button strong { font-size: 22px; }
  .audience-path-button small { font-size: 14px; }
  .framework-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .agenda-index-grid { grid-template-columns: 1fr; }
  .agenda-index-grid a { min-height: 205px; padding: 28px 24px; border-right: 0; border-bottom: 1px solid var(--line); }
  .agenda-index-grid a:last-child { border-bottom: 0; }
  .agenda-index-grid strong { font-size: 23px; }
}

@media print {
  .knowledge-flow, .audience-paths, .framework-actions, .agenda-card-actions, .agenda-value-toggle, .agenda-detail-toggle, .agenda-section { display: none !important; }
  .agenda-value { display: block !important; }
  .agenda-card { break-inside: avoid; }
}

/* Speaker detail */
.speaker-page { background: var(--paper); }
.speaker-detail-main { min-height: calc(100vh - 150px); padding: calc(var(--header-height) + 58px) 0 100px; }
.speaker-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; color: var(--muted); font-size: 13px; }
.speaker-breadcrumb a:hover { color: #77541e; }
.speaker-profile { display: grid; grid-template-columns: minmax(280px, .72fr) 1.28fr; border: 1px solid var(--ink); background: white; }
.speaker-profile-visual { min-height: 570px; border-right: 1px solid var(--line); background: var(--navy-850); }
.speaker-profile-visual img { width: 100%; height: 100%; object-fit: cover; }
.speaker-portrait-placeholder { display: grid; height: 100%; min-height: 570px; place-items: center; align-content: center; color: var(--gold-light); background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 52px 52px; }
.speaker-portrait-placeholder span { font: clamp(74px, 10vw, 138px)/1 Georgia, serif; }
.speaker-portrait-placeholder small { margin-top: 24px; color: rgba(255,255,255,.45); font-size: 10px; letter-spacing: .16em; }
.speaker-profile-copy { padding: 68px 70px; }
.speaker-profile-copy h1 { margin: 14px 0 0; font-family: "STSong", "SimSun", serif; font-size: clamp(48px, 6vw, 82px); font-weight: 400; line-height: 1.1; }
.speaker-name-en { margin: 10px 0 0; color: var(--muted); font: 17px/1.5 Georgia, serif; }
.speaker-title { margin: 30px 0 0; padding: 18px 0; border-block: 1px solid var(--line); font-size: 17px; }
.speaker-source { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 18px; color: var(--muted); font-size: 13px; }
.speaker-source span:first-child { color: #7a5520; font-weight: 700; }
.speaker-tags-label { margin: 26px 0 8px; color: var(--muted); font-size: 11px; letter-spacing: .06em; }
.speaker-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.speaker-tags span { padding: 5px 10px; border: 1px solid rgba(141,103,41,.3); color: #77541e; font-size: 12px; }
.speaker-role-note { margin-top: 40px; padding: 28px; color: white; background: var(--navy-850); }
.speaker-role-note strong { font-family: "STSong", "SimSun", serif; font-size: 22px; }
.speaker-role-note p { margin: 12px 0; color: rgba(255,255,255,.7); }
.speaker-role-note small { color: var(--gold-light); font-size: 11px; letter-spacing: .08em; }
.speaker-related { display: grid; grid-template-columns: 270px 1fr; gap: 70px; padding: 82px 0 34px; }
.speaker-related h2 { margin: 10px 0 0; font-family: "STSong", "SimSun", serif; font-size: 38px; font-weight: 400; }
.speaker-agenda-list { border-top: 1px solid var(--ink); }
.speaker-agenda-item { display: flex; flex-direction: column; min-height: 160px; padding: 24px 20px; border-bottom: 1px solid var(--line); transition: color .25s ease, background .25s ease; }
.speaker-agenda-item:hover { color: white; background: var(--navy-850); }
.speaker-agenda-item span { color: #9a702e; font: 12px/1.4 Georgia, serif; letter-spacing: .06em; }
.speaker-agenda-item strong { margin: 13px 0; font-family: "STSong", "SimSun", serif; font-size: 21px; line-height: 1.45; }
.speaker-agenda-item small { margin-top: auto; color: var(--muted); }
.speaker-agenda-item:hover span, .speaker-agenda-item:hover small { color: var(--gold-light); }
.speaker-no-agenda { padding: 30px 0; color: var(--muted); }
.speaker-detail-actions { display: flex; gap: 12px; margin-left: 340px; }
.speaker-not-found { padding: 70px 0; }
.speaker-not-found h1 { font-family: "STSong", "SimSun", serif; font-size: 44px; font-weight: 400; }
.speaker-footer { padding-top: 0; }

@media (max-width: 900px) {
  .speaker-nav { display: none; }
  .speaker-profile { grid-template-columns: 1fr; }
  .speaker-profile-visual { min-height: 360px; border-right: 0; border-bottom: 1px solid var(--line); }
  .speaker-portrait-placeholder { min-height: 360px; }
  .speaker-related { grid-template-columns: 1fr; gap: 28px; }
  .speaker-detail-actions { margin-left: 0; }
}

@media (max-width: 720px) {
  .speaker-detail-main { padding-top: calc(var(--header-height) + 34px); }
  .speaker-breadcrumb { font-size: 13px; }
  .speaker-profile-copy { padding: 36px 22px 40px; }
  .speaker-profile-copy h1 { font-size: 48px; }
  .speaker-title, .speaker-role-note p, .speaker-no-agenda { font-size: 16px; }
  .speaker-source { font-size: 14px; }
  .speaker-tags span { min-height: 36px; display: inline-flex; align-items: center; font-size: 14px; }
  .speaker-related { padding-top: 58px; }
  .speaker-agenda-item { min-height: 180px; padding: 24px 18px; }
  .speaker-agenda-item strong { font-size: 22px; }
  .speaker-agenda-item small { font-size: 14px; }
  .speaker-detail-actions { display: grid; grid-template-columns: 1fr 1fr; }
}
