/* IIP&A 2026 — conference information, restrained typography and Xiangtan red.
   Shared overrides for the existing static pages. No external fonts or UI dependencies. */
:root {
  --red: #9f2435;
  --red-dark: #7d1828;
  --red-bright: #ae2b3e;
  --blue: #24435b;
  --blue-light: #365b75;
  --gold: #b58b49;
  --ink: #232a31;
  --muted: #606973;
  --soft: #68727c;
  --line: #dfe3e6;
  --bg: #f4f5f6;
  --warm-bg: #fff;
  --white: #fff;
  --dark: #20262d;
  --radius: 3px;
  --radius-lg: 4px;
  --shadow: none;
  --shadow-lg: none;
  --maxw: 1280px;
}
html { scroll-padding-top: 96px; }
body {
  min-width: 320px;
  background: #fff;
  color: var(--ink);
  font-family: "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
::selection { color: #fff; background: var(--red); }
a { text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.container { padding-inline: 32px; }

/* White masthead; red indicates location, never a dark fill behind dark menu text. */
.mainnav { border-top: 4px solid var(--red); border-bottom: 1px solid var(--line); background: #fff; box-shadow: none; }
.mainnav::after { display: none; }
.mainnav .container { min-height: 76px; gap: 26px; }
.nav-brand { gap: 10px; padding: 12px 0; }
.nav-logo { width: 42px; height: 42px; padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; object-fit: contain; }
.nav-abbr { color: var(--red-dark); font-size: 1.2rem; font-weight: 700; letter-spacing: -.025em; }
.nav-links { flex-wrap: nowrap; gap: 0; }
.nav-links > li > a { padding: 25px 10px 23px; border-bottom: 3px solid transparent; color: #303840; font-size: .875rem; font-weight: 500; white-space: nowrap; background: transparent; }
.nav-links > li > a::before { display: none; }
.nav-links > li > a:hover, .nav-links > li > a:focus-visible { color: var(--red-dark); background: #faf6f7; }
.nav-links > li > a.is-current, .nav-links > li > a.is-section { color: var(--red-dark); border-bottom-color: var(--red); background: transparent; }
.nav-links .submenu {
  min-width: 238px;
  margin-top: 0;
  padding: 6px 0;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 2px solid var(--red);
  border-radius: 0;
  box-shadow: 0 5px 12px rgba(25,35,45,.1);
}
.nav-links .submenu li a { padding: 11px 18px; border-left: 3px solid transparent; border-radius: 0; color: #303840; background: #fff; font-size: .9375rem; font-weight: 400; }
.nav-links .submenu li a:hover, .nav-links .submenu li a:focus-visible { color: #7d1828; background: #f6edef; }
.nav-links .submenu li a.is-current { color: #7d1828; background: #f6edef; border-left-color: #9f2435; font-weight: 650; }
.nav-links li.has-sub:hover .submenu, .nav-links li.has-sub:focus-within .submenu { display: block; }
.nav-links li.has-sub.submenu-dismissed .submenu { display: none; }
.nav-tools { flex: none; gap: 12px; margin-left: auto; }
.lang-btn { min-width: 50px; padding: 6px 10px; border: 1px solid #c9ced3; border-radius: 3px; background: #fff; color: #303840; font-size: .875rem; font-weight: 500; }
.lang-btn:hover { color: var(--red); border-color: var(--red); background: #fff; }
.nav-toggle { padding: 10px; }
.nav-toggle span { background: var(--red-dark); }

/* Clear reading column and secondary information rail. */
.page-wrap > .container { padding-top: 44px; padding-bottom: 72px; }
.layout { grid-template-columns: minmax(0, 1fr) 268px; gap: 48px; }
.page-title { margin-bottom: 30px; padding: 0 0 21px; border: 0; border-bottom: 1px solid var(--line); }
.page-title::after { display: none; }
.page-title .crumb { margin-bottom: 10px; font-size: .8125rem; color: var(--muted); letter-spacing: 0; text-transform: none; font-weight: 400; }
.page-title .crumb a { color: var(--muted); }
.page-title h1 { color: var(--dark); font-family: inherit; font-size: 2.125rem; font-weight: 600; letter-spacing: -.025em; line-height: 1.25; }
.content .page-title h2 { margin: 0; font-size: 1.75rem; }
.content h2 { margin: 28px 0 15px; font-family: inherit; color: var(--dark); font-size: 1.5rem; font-weight: 600; letter-spacing: -.015em; line-height: 1.35; }
.content h3 { font-family: inherit; color: var(--dark); font-size: 1.125rem; font-weight: 600; line-height: 1.45; }
.content p { margin-bottom: 16px; color: #3c454e; line-height: 1.8; }
.content .lead { font-size: 1.0625rem; color: var(--ink); line-height: 1.8; }
.content a { color: var(--red); text-decoration-color: #ce9aa3; }
.content ul, .content ol { padding-left: 22px; margin-left: 0; }
.content li { padding-left: 3px; }
.section-band, .section-band.alt { margin: 0; padding: 30px 0; border: 0; border-radius: 0; background: #fff; box-shadow: none; }
.section-band:first-child { padding-top: 0; }
.section-band + .section-band { border-top: 1px solid var(--line); }

/* The conference name, dates and place take priority over decorative copy. */
.hero { min-height: 490px; isolation: isolate; background: #263a48; }
.hero::before {
  z-index: 1;
  background: linear-gradient(90deg, rgba(12,24,34,.48) 0%, rgba(12,24,34,.28) 48%, rgba(12,24,34,.04) 100%), linear-gradient(0deg, rgba(12,24,34,.2), transparent 65%);
}
.hero::after { display: none; }
.hero-inner { padding: 56px 32px 70px; }
.hero .h-eyebrow { margin-bottom: 17px; padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; backdrop-filter: none; color: #fff; font-size: 1rem; font-weight: 500; letter-spacing: .04em; text-transform: none; text-shadow: 0 1px 4px #243340; }
.hero h1 { max-width: 850px; margin-bottom: 24px; font-family: inherit; font-size: 3.875rem; font-weight: 650; letter-spacing: -.035em; line-height: 1.15; text-shadow: 0 2px 6px rgba(0,0,0,.35); }
.hero .h-acr { display: block; margin-bottom: 17px; color: #fff; text-shadow: inherit; }
.hero .h-fullname { display: block; max-width: 850px; font-size: 1.85rem; font-weight: 450; letter-spacing: -.015em; line-height: 1.4; }
.hero .h-meta { margin-bottom: 27px; gap: 12px 24px; font-size: 1rem; }
.hero .h-meta .mi .ic { color: #fff; }
.hero-actions { gap: 12px; }
.hero-actions .hbtn { min-width: 134px; padding: 10px 22px; border: 1px solid #fff; border-radius: 3px; box-shadow: none; font-size: .9375rem; font-weight: 600; text-align: center; }
.hero-actions .hbtn.primary { color: var(--red-dark); background: #fff; }
.hero-actions .hbtn.primary:hover { background: #f6edef; color: var(--red-dark); }
.hero-actions .hbtn.ghost { color: #fff; background: rgba(20,31,40,.16); border-width: 1px; text-shadow: none; }
.hero-actions .hbtn.ghost:hover { color: #fff; background: rgba(20,31,40,.35); }
.hero-bg { background-repeat: no-repeat; transform: none; transition: opacity 1s ease; }
.hero-bg.active { transform: none; }
.hero-bg:nth-child(1) { background-position: 50% 58%; }
.hero-bg:nth-child(2) { background-position: 50% 48%; }
.hero-bg:nth-child(3) { background-position: 50% 67%; }
.hero-bg:nth-child(4), .hero-bg:nth-child(5) { background-position: 50% 48%; }
.hero-carousel-controls { position: absolute; z-index: 4; right: 32px; bottom: 22px; }
.hero-dots { display: flex; gap: 7px; }
.hero-dot { width: 24px; height: 24px; padding: 0; border: 0; background: transparent; cursor: pointer; }
.hero-dot::after { content: ""; display: block; height: 3px; background: rgba(255,255,255,.6); }
.hero-dot.active::after { background: #fff; }
.hero-dot.active { width: 34px; }

/* Dates and participation are a compact rail, without nested cards. */
.sidebar { position: static; align-self: start; padding-left: 24px; border-left: 1px solid var(--line); }
.sidebar > .side-box { margin: 0 0 28px; overflow: visible; border: 0; border-radius: 0; background: #fff; box-shadow: none; }
.sidebar > .side-box:hover { box-shadow: none; }
.side-box .side-head { padding: 0 0 10px; border-bottom: 2px solid #bcc5cc; background: #fff; color: var(--dark); font-size: 1rem; font-weight: 650; letter-spacing: 0; }
.side-box .side-body { padding: 14px 0 0; }
.side-box .side-action-list { display: grid; gap: 0; padding-top: 0; }
.side-action-icon { display: none; }
.side-btn, .side-btn.alt { display: block; margin: 0; padding: 13px 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; color: var(--red-dark); background: #fff; box-shadow: none; text-align: left; font-size: 1rem; font-weight: 500; line-height: 1.45; }
.side-btn:hover, .side-btn.alt:hover { color: var(--red); background: #faf6f7; box-shadow: none; transform: none; }
.side-action-copy strong { display: block; font-weight: 600; }
.side-action-note { display: block; margin-top: 3px; color: var(--muted); font-size: .875rem; font-weight: 400; }
.dates-list li { padding: 11px 0; border-bottom: 1px solid #e8eaec; font-size: .875rem; line-height: 1.5; }
.dates-list li:first-child { padding: 0 0 11px; border-radius: 0; background: transparent; }
.dates-list li:last-child { padding-bottom: 0; border-bottom: 0; }
.dates-list .dl-label { color: var(--muted); margin-bottom: 4px; }
.dates-list .dl-date { color: var(--ink); font-weight: 600; font-size: .9375rem; font-variant-numeric: tabular-nums; }
.dates-list li:first-child .dl-date, .dates-list li.key .dl-date { color: var(--red-dark); }
.countdown { margin: 0; gap: 0; animation: none; }
.cd-box { min-width: 0; padding: 1px 4px; border: 0; border-right: 1px solid var(--line); border-radius: 0; background: transparent; }
.cd-box:last-child { border-right: 0; }
.cd-box:hover { transform: none; }
.cd-box .num { color: var(--ink); font-size: 1.5rem; font-weight: 500; line-height: 1.3; font-variant-numeric: tabular-nums; }
.cd-box .lbl { margin-top: 5px; color: var(--muted); font-size: .75rem; letter-spacing: 0; }

/* Topic lists, people and institutions use rules and spacing, not floating tiles. */
.info-card { padding: 0 24px 10px 0; border: 0; border-radius: 0; background: #fff; box-shadow: none; }
.info-card::before { display: none; }
.info-card h3 { margin-top: 0; color: var(--dark); }
.theme-area { position: relative; margin: 0; padding: 24px 0 24px 44px; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: #fff; box-shadow: none; }
.theme-area:hover { transform: none; box-shadow: none; }
.theme-area h3 { margin: 0 0 10px; color: var(--dark); font-size: 1.125rem; }
.theme-area .tnum { position: absolute; top: 25px; left: 0; width: auto; height: auto; margin: 0; padding: 0; border: 0; border-radius: 0; background: none; color: var(--red); font-size: 1rem; font-weight: 600; }
.theme-area p:last-child { margin-bottom: 0; }
.callout, .callout.blue { margin: 22px 0; padding: 14px 18px; border: 0; border-left: 3px solid #b4bfc7; border-radius: 0; color: var(--ink); background: #f5f6f7; font-size: .9375rem; }
.callout { border-left-color: var(--red); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 0; box-shadow: none; }
table.tbl thead th { background: #f1f3f4; color: var(--ink); }
table.tbl th, table.tbl td { padding: 14px 16px; }
table.tbl tbody tr:hover { background: #f8f9fa; }
.com-block { margin-bottom: 28px; }
.com-block h2 { padding: 10px 0; border-bottom: 2px solid #bdc6cd; border-radius: 0; color: var(--dark); background: #fff; font-family: inherit; font-size: 1.25rem; }
.content .com-list { padding: 0; margin: 0; border: 0; border-radius: 0; background: #fff; box-shadow: none; }
.com-list li { margin: 0; padding: 12px 0; border-color: #e7eaed; font-size: .9375rem; }
.com-list .c-name { color: var(--ink); font-weight: 550; }
.com-list .c-org { max-width: 65%; color: var(--muted); }
.org-heading { margin: 30px 0 18px; padding-bottom: 12px; border-bottom: 1px solid var(--line); font-family: inherit; color: var(--dark); font-size: 1.5rem; }
.org-heading::after { display: none; }
.org-grid { gap: 0; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: 1fr; }
.org-card { padding: 24px 16px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: #fff; box-shadow: none; }
.org-card:hover { border-color: var(--line); box-shadow: none; transform: none; }
.org-logo { height: 82px; margin-bottom: 15px; }
.org-logo img { max-height: 82px; }
.org-name { color: var(--ink); font-size: .875rem; font-weight: 500; line-height: 1.5; }
.org-host { margin-bottom: 32px; }
.org-card--host { width: 100%; justify-content: flex-start; padding: 12px 0 25px; border: 0; background: #fff; }
.org-card--host .org-name { border-left: 0; padding-left: 0; font-size: 1.25rem; }
.logo-gallery { gap: 12px; grid-template-columns: repeat(4, minmax(0,1fr)); }
.home-host { display: flex; align-items: center; gap: 20px; margin: 0 0 20px; padding: 6px 14px 22px; border-bottom: 1px solid var(--line); }
.home-host img { width: 76px; height: 76px; object-fit: contain; }
.home-host-label { display: block; color: var(--muted); font-size: .875rem; }
.home-host strong { display: block; color: var(--ink); font-size: 1.0625rem; font-weight: 600; }
.logo-gallery .lc { height: 112px; padding: 14px; border: 0; border-radius: 0; box-shadow: none; background: #fff; }
.logo-gallery .lc:hover { box-shadow: none; transform: none; }
.logo-gallery .lc img { max-height: 76px; }

/* Author guidance and registration rates. */
.guide-overview { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 28px; padding: 0 0 24px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: #fff; }
.guide-eyebrow { color: var(--muted); font-size: .875rem; font-weight: 500; letter-spacing: 0; text-transform: none; }
.guide-overview p { margin: 5px 0 0; color: var(--ink); font-size: 1rem; }
.guide-deadline { flex: none; padding-left: 20px; border-left: 1px solid var(--line); }
.guide-deadline > span { display: block; color: var(--muted); font-size: .875rem; }
.guide-deadline time { display: block; margin-top: 5px; color: var(--red-dark); font-size: .9375rem; font-weight: 600; white-space: nowrap; }
.guide-section { margin: 0 0 28px; padding: 0 0 26px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: #fff; box-shadow: none; }
.guide-section-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.guide-section-head h2 { margin: 0; font-size: 1.375rem; }
.guide-step { color: var(--red); font-size: .875rem; font-weight: 500; }
.guide-section p, .guide-section li { font-size: 1rem; }
.guide-section p:last-child, .guide-section ul:last-child, .guide-section ol:last-child { margin-bottom: 0; }
.guide-section li { margin-bottom: 12px; }
.guide-section li::marker { color: var(--muted); }
.guide-section h3 { margin-top: 24px; font-size: 1.0625rem; }
.template-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; margin-top: 20px; }
.template-card { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 2px; background: #fff; }
.template-type { color: var(--dark); font-size: 1.125rem; font-weight: 600; }
.template-card strong { font-size: .9375rem; font-weight: 400; line-height: 1.5; }
.pending-label { display: inline-block; padding: 0; color: var(--muted); background: transparent; font-size: .875rem; font-weight: 400; line-height: 1.5; }
.template-card .pending-label { margin-top: auto; }
.guide-acknowledgment { padding: 0; }
.guide-acknowledgment h2 { margin: 0 0 10px; font-size: 1.0625rem; }
.guide-acknowledgment p { font-size: .875rem; color: var(--muted); }
.fee-table-wrap { margin: 20px 0 0; border-radius: 0; box-shadow: none; }
table.fee-table { min-width: 420px; }
table.fee-table thead th { color: var(--ink); background: #f1f3f4; font-size: .875rem; }
table.fee-table th, table.fee-table td { padding: 17px 16px; vertical-align: middle; }
table.fee-table tbody th { width: 58%; color: var(--ink); font-size: 1rem; font-weight: 550; }
table.fee-table tbody tr:last-child > * { border-bottom: 0; }
.fee-detail { display: block; margin-top: 4px; color: var(--muted); font-size: .875rem; font-weight: 400; line-height: 1.5; }
table.fee-table .price { color: var(--ink); font-size: 1rem; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.fee-unit { display: block; color: var(--muted); font-size: .8125rem; font-weight: 400; }
.payment-notice { padding: 16px 18px; border: 0; border-left: 3px solid #b4bfc7; border-radius: 0; background: #f5f6f7; }
.payment-notice p { margin: 9px 0 0; }
.payment-notice .payment-reference { color: var(--ink); font-size: .9375rem; }

/* Portraits have fixed dimensions independent of biography length. */
.speaker-intro { margin: -8px 0 28px; color: var(--muted); }
.speaker { display: grid; grid-template-columns: 164px minmax(0,1fr); gap: 28px; margin: 0; padding: 28px 0; align-items: start; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: #fff; box-shadow: none; }
.speaker:hover { transform: none; box-shadow: none; }
.speaker .sp-avatar { display: block; width: 164px; height: 196px; min-height: 0; overflow: hidden; border-radius: 2px; background: #edf0f2; }
.speaker .sp-avatar::after { display: none; }
.speaker .sp-avatar img { width: 100%; height: 100%; min-height: 0; object-fit: cover; }
.speaker .sp-avatar--qingfu img { object-position: 50% 20%; }
.speaker .sp-avatar--lipo img { object-position: 50% 15%; }
.speaker .sp-avatar--lei img { object-position: 41% 36%; }
.speaker .sp-kicker { display: none; }
.speaker .sp-copy { min-width: 0; padding: 0; text-align: left; }
.speaker .sp-name { font-family: inherit; font-size: 1.375rem; font-weight: 600; color: var(--dark); line-height: 1.3; }
.speaker .sp-org { margin: 7px 0 14px; font-size: .9375rem; color: var(--muted); font-weight: 400; letter-spacing: 0; }
.speaker .sp-bio { color: #3c454e; font-size: 1rem; line-height: 1.8; }
.sp-profile { display: inline-block; margin-top: 12px; color: var(--red); font-size: .875rem; text-decoration: underline; }
.sp-profile::after { display: none; }

/* Conference history: dates and locations instead of promotional statistics. */
.history-intro { display: block; padding: 0; margin: 0 0 28px; border: 0; border-radius: 0; background: #fff; box-shadow: none; }
.history-intro p { margin: 0; color: #3c454e; font-size: 1rem; }
.history-roadmap { padding: 0; }
.history-roadmap::before, .history-entry::before { display: none; }
.history-entry { margin: 0; }
.history-card { display: grid; grid-template-columns: 114px minmax(0,1fr); gap: 25px; padding: 26px 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: #fff; box-shadow: none; align-items: start; }
.history-card:hover { transform: none; box-shadow: none; }
.history-entry.current .history-card { border-top: 2px solid var(--red); background: #fff; }
.history-year { font-family: inherit; color: var(--dark); font-size: 1.875rem; font-weight: 500; line-height: 1.15; }
.history-edition { display: block; margin-top: 7px; color: var(--muted); font-size: .875rem; font-weight: 400; letter-spacing: 0; text-transform: none; }
.history-card h3 { margin: 0 0 8px; font-family: inherit; color: var(--dark); font-size: 1.125rem; }
.history-card p { margin: 0; font-size: 1rem; }
.history-date { display: inline-block; margin-top: 10px; color: var(--ink); font-size: .9375rem; font-weight: 500; }
.history-status { display: inline-block; margin-left: 12px; padding: 0; border-radius: 0; background: none; color: var(--muted); font-size: .8125rem; font-weight: 400; text-transform: none; letter-spacing: 0; }
.history-entry.current .history-status { color: var(--red-dark); background: none; }
.future-panel { margin: 24px 0 0; padding: 22px 0 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: #fff; box-shadow: none; }
.future-panel::before { display: none; }
.future-panel h2 { margin: 0 0 12px; font-size: 1.375rem; }
.future-panel p { margin: 0; }

/* Quiet footer. */
.site-footer { padding: 34px 0 22px; border-top: 1px solid #dce1e5; color: #535e67; background: #f4f5f6; }
.site-footer::before { display: none; }
.site-footer .ft-title { color: var(--dark); font-family: inherit; font-size: 1rem; font-weight: 600; margin-bottom: 10px; }
.site-footer a { color: var(--red-dark); }
.site-footer a:hover { color: var(--red); text-decoration: underline; }
.site-footer .card-grid { gap: 32px; }
.footer-bottom { margin-top: 24px; padding-top: 18px; border-color: #dce1e5; color: var(--muted); font-size: .8125rem; text-align: left; }

@media (max-width: 1180px) {
  .mainnav .container { gap: 18px; }
  .nav-links > li > a { padding-inline: 7px; }
}
@media (max-width: 1100px) {
  .mainnav .container { min-height: 66px; flex-wrap: wrap; gap: 0; }
  .nav-brand { order: 1; }
  .nav-tools { order: 2; }
  .nav-toggle { display: flex; }
  .nav-links { display: none; order: 3; flex-direction: column; width: 100%; padding: 0 0 12px; gap: 0; background: #fff; }
  .nav-links.open { display: flex; }
  .nav-links > li > a { padding: 12px 10px; border-top: 1px solid #eceef0; border-bottom: 0; font-size: 1rem; }
  .nav-links > li > a.is-current, .nav-links > li > a.is-section { background: #f6edef; color: #7d1828; }
  .nav-links .submenu { position: static; margin: 0 0 5px 10px; padding: 3px 0; border: 0; border-left: 1px solid #d7bdc2; border-radius: 0; box-shadow: none; background: #fff; }
  .nav-links .submenu li a { padding: 10px 15px; color: #303840; font-size: .9375rem; background: #fff; }
  .nav-links .submenu li a:hover, .nav-links .submenu li a:focus-visible, .nav-links .submenu li a.is-current { color: #7d1828; background: #f6edef; }
  .nav-links li.has-sub:hover .submenu, .nav-links li.has-sub:focus-within .submenu { display: none; }
  .nav-links li.has-sub.submenu-open .submenu { display: block; }
}
@media (max-width: 980px) {
  .layout { grid-template-columns: minmax(0,1fr); gap: 38px; }
  .sidebar { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); grid-template-areas: "dates actions" "dates countdown"; grid-template-rows: auto 1fr; gap: 22px 38px; padding: 28px 0 0; border-left: 0; border-top: 1px solid var(--line); align-items: start; }
  .sidebar > .side-box { margin-bottom: 0; }
  .sidebar > .side-box:first-child { grid-area: actions; }
  .sidebar > .side-box:nth-child(2) { grid-area: dates; }
  .sidebar > .side-box:nth-child(3) { grid-area: countdown; }
}
@media (max-width: 760px) {
  .container { padding-inline: 24px; }
  .page-wrap > .container { padding-top: 32px; padding-bottom: 48px; }
  .page-title h1 { font-size: 1.875rem; }
  .hero { min-height: 450px; }
  .hero-inner { padding: 40px 24px 64px; }
  .hero h1 { font-size: 3rem; }
  .hero .h-fullname { font-size: 1.5rem; }
  .hero .h-meta { font-size: .9375rem; gap: 8px 18px; }
  .hero-carousel-controls { right: 24px; bottom: 16px; }
  .hero-actions .hbtn { min-width: 125px; padding: 9px 16px; }
  .guide-overview { flex-direction: column; align-items: stretch; gap: 15px; }
  .guide-deadline { border-left: 0; padding: 12px 0 0; border-top: 1px solid var(--line); }
  .guide-deadline > span { display: inline; margin-right: 14px; }
  .guide-deadline time { display: inline-block; }
  .speaker { grid-template-columns: 140px minmax(0,1fr); gap: 20px; text-align: left; }
  .speaker .sp-avatar { width: 140px; height: 175px; }
  .com-list .c-org { max-width: 100%; text-align: left; }
  .org-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .logo-gallery { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .cg-2, .cg-3 { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .container { padding-inline: 18px; }
  .hero-inner { padding: 35px 20px 60px; }
  .hero h1 { font-size: 2.75rem; }
  .hero .h-fullname { font-size: 1.375rem; }
  .hero .h-eyebrow { font-size: .9375rem; }
  .hero::before { background: linear-gradient(90deg, rgba(12,24,34,.48), rgba(12,24,34,.27)); }
  .hero .h-meta { flex-direction: column; }
  .hero-actions .hbtn { min-width: 0; }
  .sidebar { grid-template-columns: minmax(0,1fr); grid-template-areas: "actions" "dates" "countdown"; grid-template-rows: auto; gap: 26px; }
  .theme-area { padding-left: 32px; }
  .theme-area .tnum { top: 27px; }
  .template-grid { grid-template-columns: minmax(0,1fr); gap: 12px; }
  table.fee-table { min-width: 0; }
  table.fee-table th, table.fee-table td { padding: 13px 9px; }
  table.fee-table tbody th { width: 52%; font-size: .875rem; }
  .fee-detail { font-size: .8125rem; }
  table.fee-table .price { font-size: .9375rem; }
  .speaker { grid-template-columns: minmax(0,1fr); gap: 18px; align-items: start; }
  .speaker .sp-avatar { width: 140px; height: 175px; }
  .history-card { grid-template-columns: 76px minmax(0,1fr); gap: 17px; }
  .history-year { font-size: 1.5rem; }
  .history-edition { font-size: .8125rem; }
  .history-date, .history-status { display: block; margin-left: 0; }
  .home-host { gap: 16px; padding-inline: 0; }
  .org-card--host .org-logo { margin-right: 18px; height: 70px; }
  .org-card--host .org-logo img { max-height: 70px; }
  .org-card--host .org-name { font-size: 1.0625rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}