/* =========================================================
   KIDE 2027 · 核心样式（全站通用 + 首页）
   视觉基准：昆明口腔展 VI（02-KIDE-VI设计系统）
   蓝色是主声音，彩色只是标点；方角；圆点是唯一圆形。
   ========================================================= */
:root {
  /* VI 色彩 token */
  --blue: #0255a2;          /* kide-blue */
  --deep: #163d76;          /* kide-blue-deep */
  --royal: #2846b4;
  --teal: #0094af;
  --jade: #06968e;
  --lagoon: #14bdac;
  --lilac: #be7cc9;
  --gold: #eabb51;
  --orange: #f5a11b;
  --citron: #d8c044;
  --magenta: #a82186;       /* logo-magenta，仅色带末端 */
  --lagoon-tint: #e3f6f3;
  --lilac-tint: #f5ebf7;
  --gold-tint: #fcf2d9;
  --orange-tint: #fdeedd;
  --blue-tint: #e6eff8;
  --lagoon-deep: #0a7a70;
  --lilac-deep: #7d3f8c;
  --gold-deep: #8a5a00;
  --orange-deep: #a44d00;
  --bar-top: #225596;
  --bar-mid: #2862a2;
  --bar-bottom: #75a5d7;
  --ink: #273850;
  --ink-soft: #4b5d75;
  --sky: #b1daf1;
  --mist: #e9f3f4;
  --cream: #f8f1d7;
  --paper: #fff;
  --line: #d7e3ea;
  --line-strong: #b9cfdc;

  /* 渐变 */
  --grad-year: linear-gradient(90deg, var(--royal) 0%, var(--teal) 50%, var(--citron) 100%);
  --grad-index: linear-gradient(90deg, var(--royal) 0%, var(--lagoon) 55%, var(--gold) 100%);
  --grad-poster: linear-gradient(90deg, var(--blue) 0%, var(--jade) 62%, var(--orange) 100%);
  --grad-bar: linear-gradient(180deg, var(--bar-top) 0%, var(--bar-top) 12%, var(--bar-mid) 52%, var(--bar-bottom) 100%);
  --ribbon: linear-gradient(90deg, var(--blue) 0 30%, var(--lagoon) 30% 52%, var(--lilac) 52% 70%, var(--gold) 70% 86%, var(--orange) 86% 96%, var(--magenta) 96% 100%);

  /* 字体 */
  --font: "Noto Sans SC", "Source Han Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "DIN Condensed", "Barlow Condensed", "Roboto Condensed", var(--font);

  /* 尺寸 */
  --gutter: clamp(16px, 4vw, 64px);
  --header-h: 84px;
  --ribbon-h: 4px;
  --ease: cubic-bezier(.22, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.22; letter-spacing: -.01em; text-wrap: balance; }
p { margin: 0; }
figure { margin: 0; }
::selection { background: var(--blue); color: #fff; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }

.shell { width: min(100% - var(--gutter) * 2, 1320px); margin-inline: auto; }
.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; z-index: 100; left: 16px; top: -60px; padding: 10px 16px; background: var(--blue); color: #fff; font-weight: 700; transition: top .2s; }
.skip-link:focus { top: 12px; }

/* ---------- VI 点缀：色带、圆点、标签 ---------- */
.ribbon { display: block; height: var(--ribbon-h); width: 100%; background: var(--ribbon); }
.ribbon--short { width: min(280px, 60%); margin-inline: auto; }
.ribbon--bar { width: 56px; height: 4px; }
.dots { display: inline-flex; gap: 5px; align-items: center; vertical-align: middle; }
.dots > i { width: 7px; height: 7px; border-radius: 50%; display: block; }
.dots > i:nth-child(1) { background: var(--blue); }
.dots > i:nth-child(2) { background: var(--lagoon); }
.dots > i:nth-child(3) { background: var(--lilac); }
.dots > i:nth-child(4) { background: var(--gold); }
.dots > i:nth-child(5) { background: var(--orange); }
.dot { display: inline-block; width: .42em; height: .42em; border-radius: 50%; background: var(--lagoon); vertical-align: .14em; margin: 0 .6em; }

.track-0 { --t: var(--blue);   --t-tint: var(--blue-tint);   --t-ink: var(--blue); }
.track-1 { --t: var(--lagoon); --t-tint: var(--lagoon-tint); --t-ink: var(--lagoon-deep); }
.track-2 { --t: var(--lilac);  --t-tint: var(--lilac-tint);  --t-ink: var(--lilac-deep); }
.track-3 { --t: var(--gold);   --t-tint: var(--gold-tint);   --t-ink: var(--gold-deep); }
.track-4 { --t: var(--orange); --t-tint: var(--orange-tint); --t-ink: var(--orange-deep); }

.tag {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .28em .75em;
  font-size: 13px; font-weight: 700; line-height: 1.4; letter-spacing: .02em;
  background: var(--t-tint, var(--blue-tint));
  color: var(--t-ink, var(--blue));
  white-space: nowrap;
}
.tag::before { content: ""; width: .5em; height: .5em; border-radius: 50%; background: var(--t, var(--blue)); flex: none; }
.tag--status { --t: var(--orange); --t-tint: var(--orange-tint); --t-ink: var(--orange-deep); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--teal);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
.eyebrow--light { color: var(--sky); }

.sec-index {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(64px, 8vw, 112px);
  font-weight: 700;
  line-height: .82;
  letter-spacing: -.04em;
  background: var(--grad-index);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.sec-index--light { background: linear-gradient(90deg, #fff 0%, var(--sky) 45%, var(--gold) 100%); -webkit-background-clip: text; background-clip: text; }
.grad-poster { background: var(--grad-poster); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }

/* ---------- 按钮 ---------- */
.btn {
  --btn-bg: var(--blue); --btn-fg: #fff; --btn-bd: var(--blue);
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 46px; padding: 0 22px;
  border: 2px solid var(--btn-bd); border-radius: 0;
  background: var(--btn-bg); color: var(--btn-fg);
  font-size: 15px; font-weight: 700; letter-spacing: .04em; line-height: 1;
  cursor: pointer; white-space: nowrap;
  transition: color .25s var(--ease), border-color .25s var(--ease), background-color .25s var(--ease), transform .25s var(--ease);
}
.btn::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--btn-hover, var(--deep));
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.btn:hover::after, .btn:focus-visible::after { transform: scaleX(1); }
.btn:active { transform: translateY(1px); }
.btn__arrow { display: inline-block; transition: transform .25s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--primary { --btn-hover: var(--deep); }
.btn--line { --btn-bg: transparent; --btn-fg: var(--blue); --btn-bd: var(--blue); --btn-hover: var(--blue); }
.btn--line:hover, .btn--line:focus-visible { color: #fff; }
.btn--white { --btn-bg: #fff; --btn-fg: var(--blue); --btn-bd: #fff; --btn-hover: var(--gold); }
.btn--white:hover, .btn--white:focus-visible { color: var(--deep); border-color: var(--gold); }
.btn--ghost-light { --btn-bg: transparent; --btn-fg: #fff; --btn-bd: rgba(255,255,255,.7); --btn-hover: #fff; }
.btn--ghost-light:hover, .btn--ghost-light:focus-visible { color: var(--blue); border-color: #fff; }
.btn--sm { min-height: 38px; padding: 0 16px; font-size: 14px; }
.btn--lg { min-height: 54px; padding: 0 30px; font-size: 16px; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .45; cursor: not-allowed; pointer-events: none; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding-bottom: 6px; border-bottom: 2px solid var(--blue);
  color: var(--blue); font-weight: 700; white-space: nowrap;
}
.link-arrow span { transition: transform .25s var(--ease); }
.link-arrow:hover span { transform: translateX(5px); }

/* ---------- 顶部导航（白底：Logo 只能放在白色或浅色上） ---------- */
.site-header {
  position: fixed; z-index: 60; inset: 0 0 auto;
  background: rgba(255,255,255,.96);
  transition: box-shadow .3s var(--ease), background-color .3s var(--ease);
}
@supports (backdrop-filter: blur(1px)) {
  .site-header { background: rgba(255,255,255,.86); backdrop-filter: saturate(1.4) blur(16px); -webkit-backdrop-filter: saturate(1.4) blur(16px); }
}
.site-header.is-scrolled { box-shadow: 0 10px 30px rgba(22,61,118,.10); }
.site-header__bar { height: var(--header-h); display: flex; align-items: center; gap: 28px; transition: height .3s var(--ease); }
.site-header.is-scrolled .site-header__bar { height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: none; }
.brand img { width: 112px; transition: width .3s var(--ease); }
.site-header.is-scrolled .brand img { width: 96px; }
.brand__year {
  padding-left: 12px; border-left: 1px solid var(--line-strong);
  font-family: var(--font-num); font-size: 22px; font-weight: 700; line-height: 1; letter-spacing: -.01em;
  background: var(--grad-year); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}
.nav { margin-left: auto; display: flex; align-items: center; gap: clamp(14px, 1.7vw, 28px); font-size: 15px; font-weight: 700; }
.nav a { position: relative; color: var(--ink); padding: 8px 0; transition: color .2s; white-space: nowrap; }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: var(--ribbon); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--blue); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.header-actions { display: flex; gap: 10px; }
.header-ribbon { height: 3px; }
.mobile-menu-button { display: none; }
.mobile-menu { display: none; }

/* ---------- 首页 · 首屏 ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  padding: calc(var(--header-h) + 3px + clamp(24px, 3vw, 44px)) 0 clamp(30px, 3.5vw, 48px);
  min-height: min(660px, 100svh);
  display: flex; align-items: center;
  background: var(--mist);
}
.hero__media { position: absolute; inset: 0; z-index: -2; background: var(--deep); }
.hero-slide {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: 70% 40%; opacity: 0; transform: scale(1.04);
  transition: opacity 1.6s ease;
}
.hero-slide.is-active { opacity: 1; animation: heroZoom 12s linear both; }
.hero__veil {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(100deg, rgba(255,255,255,.97) 0%, rgba(255,255,255,.93) 34%, rgba(233,243,244,.72) 52%, rgba(20,189,172,.30) 76%, rgba(2,85,162,.40) 100%),
    linear-gradient(0deg, rgba(255,255,255,.65) 0%, rgba(255,255,255,0) 30%);
}
.hero__veil::after { /* 细网格：会展平面图的“展位格”意象，极淡 */
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(2,85,162,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(2,85,162,.06) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(90deg, #000 0%, transparent 55%); mask-image: linear-gradient(90deg, #000 0%, transparent 55%);
}
.hero__inner { position: relative; display: block; }
.hero-copy { position: static; max-width: 980px; }
.hero-kicker { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 15px; font-weight: 700; color: var(--blue); letter-spacing: .06em; }
.hero-kicker__sep { width: 1px; height: 14px; background: var(--line-strong); }
.hero-brandline {
  display: flex; align-items: baseline; gap: .18em; flex-wrap: nowrap;
  margin-top: 14px;
  font-family: var(--font-num); font-weight: 700; line-height: .9; letter-spacing: -.035em;
  font-size: clamp(58px, 8vw, 124px);
}
.hero-year { background: var(--grad-year); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; padding-right: .02em; }
.hero-kide { color: var(--blue); }
.hero-title {
  margin-top: 16px; max-width: 980px;
  font-size: clamp(27px, 2.55vw, 39px); font-weight: 900; line-height: 1.2; letter-spacing: .005em;
  color: var(--blue);
}
.hero-theme { display: flex; align-items: center; gap: 16px; margin-top: 16px; }
.hero-theme strong { font-size: clamp(18px, 1.7vw, 24px); font-weight: 900; letter-spacing: .14em; color: var(--deep); }
.hero-info {
  display: block; width: auto; max-width: 760px; margin-top: 16px;
}
.hero-countdown {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 7px;
  padding: 18px 20px 16px; background: var(--grad-bar); color: #fff;
  position: relative;
}
.hero-countdown::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--ribbon); }
.hero-countdown--floating {
  position: absolute; z-index: 4; top: calc(var(--header-h) + 10px); right: var(--gutter);
  min-width: 150px; padding: 7px 14px 8px; box-shadow: 0 14px 32px rgba(22,61,118,.18);
}
.hero-countdown--floating .hero-countdown__num { font-size: 32px; }
.hero-countdown--floating .hero-countdown__label { font-size: 12px; }
.hero-countdown--floating .hero-countdown__unit { font-size: 13px; }
.hero-countdown--inline { display: none; }
.hero-countdown__label { flex-basis: 100%; font-size: 13px; font-weight: 700; opacity: .92; }
.hero-countdown__num { font-family: var(--font-num); font-size: 48px; font-weight: 700; line-height: .9; letter-spacing: -.02em; }
.hero-countdown__unit { font-size: 15px; font-weight: 700; }
.hero-countdown strong.is-status { font-family: var(--font); font-size: 26px; }
.hero-when {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 22px;
  margin: 0; padding: 10px 16px 11px;
  background: linear-gradient(90deg, rgba(255,255,255,.72), rgba(233,243,244,.52));
  border-left: 4px solid var(--lagoon);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 22px rgba(22,61,118,.06);
}
.hero-when div { display: grid; gap: 1px; }
.hero-when dt { font-size: 11px; font-weight: 700; color: var(--teal); letter-spacing: .14em; }
.hero-when dd { margin: 0; font-size: 14.5px; font-weight: 700; line-height: 1.45; color: var(--blue); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

/* 规模数字条 */
.facts { position: relative; background: #fff; padding: 46px 0 0; }
.facts__inner { display: grid; grid-template-columns: 1.25fr repeat(3, 1fr) auto; align-items: end; gap: 24px; padding-bottom: 36px; }
.facts__eyebrow { display: block; font-size: 12px; font-weight: 700; letter-spacing: .16em; color: var(--teal); }
.facts__dot { display: none; }
.facts__lead p { margin-top: 6px; font-size: 16px; font-weight: 700; line-height: 1.6; color: var(--blue); }
.facts__item { position: relative; padding-left: 22px; border-left: 1px solid var(--line); }
.facts__value {
  display: flex; align-items: baseline; gap: 6px;
  font-family: var(--font-num); font-size: clamp(46px, 5vw, 72px); font-weight: 700; line-height: .95; letter-spacing: -.03em;
}
.facts__value > span { background: var(--grad-year); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; font-variant-numeric: tabular-nums; }
.facts__value small { white-space: nowrap; font-family: var(--font); font-size: 16px; font-weight: 700; color: var(--blue); letter-spacing: 0; }
.facts__label { display: block; margin-top: 8px; font-size: 14px; font-weight: 700; color: var(--ink-soft); }
.facts__link { display: inline-flex; align-items: center; gap: 10px; padding: 14px 20px; background: var(--blue); color: #fff; font-weight: 700; transition: background .25s; }
.facts__link:hover { background: var(--deep); }
.facts__link span { transition: transform .25s var(--ease); }
.facts__link:hover span { transform: translateY(3px); }
.facts__wave {
  height: clamp(60px, 7.5vw, 120px);
  background: url("../images/bg-white-wave.webp") center bottom / 100% auto no-repeat;
}

/* ---------- 章节通用 ---------- */
.section { padding: clamp(72px, 9vw, 128px) 0; }
.sec-head { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 32px 64px; align-items: end; margin-bottom: 36px; }
.sec-head__title { display: flex; align-items: flex-end; gap: clamp(16px, 2vw, 28px); }
.sec-head h2, .categories__copy h2, .exhibitor-show__copy h2 {
  margin-top: 12px; font-size: clamp(28px, 3.3vw, 48px); font-weight: 900; line-height: 1.22; color: var(--blue);
}
.sec-head__lead { font-size: 17px; line-height: 1.9; color: var(--ink-soft); }
.sec-head .link-arrow { justify-self: end; }

/* 01 概况 · 四柱 */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); }
.pillar { position: relative; padding: 34px 28px 10px 0; }
.pillar + .pillar { padding-left: 28px; border-left: 1px solid var(--line); }
.pillar__num { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-num); font-size: 15px; font-weight: 700; color: var(--t-ink); letter-spacing: .08em; }
.pillar__num::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--t); }
.pillar h3 { margin-top: 18px; font-size: 22px; font-weight: 900; color: var(--blue); }
.pillar p { margin-top: 12px; color: var(--ink-soft); line-height: 1.85; }

/* 参展 / 参观双入口 */
.paths { padding: 0 var(--gutter); }
.paths__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; max-width: 1680px; margin: 0 auto; }
.path { position: relative; isolation: isolate; overflow: hidden; min-height: clamp(460px, 44vw, 620px); display: flex; align-items: flex-end; color: #fff; }
.path img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease); }
.path::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(2,85,162,0) 20%, rgba(2,85,162,.7) 52%, rgba(22,61,118,.95) 100%); transition: opacity .5s; }
.path--alt::before { background: linear-gradient(180deg, rgba(0,148,175,0) 18%, rgba(0,120,160,.72) 50%, rgba(22,61,118,.95) 100%); }
.path:hover img { transform: scale(1.05); }
.path::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 5px; background: var(--ribbon); transform: scaleX(.18); transform-origin: left; transition: transform .7s var(--ease); }
.path:hover::after { transform: scaleX(1); }
.path__content { padding: clamp(28px, 4vw, 56px); max-width: 620px; }
.path__label { display: flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--sky); }
.path__label span { display: grid; place-items: center; width: 28px; height: 28px; background: #fff; color: var(--blue); font-family: var(--font-num); font-size: 15px; letter-spacing: 0; }
.path h3 { margin-top: 16px; font-size: clamp(28px, 3vw, 44px); font-weight: 900; line-height: 1.22; }
.path p { margin: 16px 0 26px; font-size: 16px; line-height: 1.85; color: rgba(255,255,255,.9); }

/* 02 会议活动 · SessionBar */
.program { background: linear-gradient(180deg, var(--mist) 0%, #fff 100%); }
.sessions { display: grid; grid-template-columns: 1.55fr 1fr; grid-template-rows: auto auto; gap: 28px; }
.session { background: #fff; display: flex; flex-direction: column; box-shadow: 0 14px 34px rgba(22,61,118,.07); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.session:hover { transform: translateY(-4px); box-shadow: 0 22px 44px rgba(22,61,118,.13); }
.session--feature { grid-row: span 2; }
.session__bar { position: relative; padding: 26px 26px 24px; background: var(--grad-bar); color: #fff; }
.session__bar::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: var(--ribbon-h); background: var(--t, var(--ribbon)); }
.session.track-0 .session__bar::after { background: var(--ribbon); }
.session__arrows { position: absolute; left: 18px; top: 0; transform: translateY(-50%); width: 124px; height: 24px; stroke-width: 2; stroke-linejoin: round; }
.session__arrows path:nth-child(1) { fill: var(--blue); stroke: #fff; }
.session__arrows path:nth-child(2) { fill: var(--lagoon); stroke: #fff; }
.session__arrows path:nth-child(3) { fill: var(--lilac); stroke: #fff; }
.session__arrows path:nth-child(4) { fill: var(--gold); stroke: #fff; }
.session__arrows path:nth-child(5) { fill: var(--orange); stroke: #fff; }
.session__kicker { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--sky); }
.session__bar h3 { margin-top: 6px; font-size: clamp(22px, 2vw, 28px); font-weight: 900; }
.session--feature .session__bar h3 { font-size: clamp(26px, 2.6vw, 36px); }
.session__body { flex: 1; display: flex; flex-direction: column; gap: 18px; align-items: flex-start; padding: 26px; color: var(--ink-soft); }
.session--feature .session__body { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: stretch; }
.session__media { overflow: hidden; min-height: 220px; }
.session__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.session:hover .session__media img { transform: scale(1.05); }
.agenda { list-style: none; margin: 20px 0 0; padding: 0; }
.agenda li { display: flex; align-items: center; gap: 12px; padding: 13px 0; border-top: 1px solid var(--line); font-weight: 700; color: var(--ink); }
.agenda li:last-child { border-bottom: 1px solid var(--line); }
.agenda__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--t, var(--lagoon)); flex: none; }
.agenda li:nth-child(2) .agenda__dot { background: var(--lagoon); }
.agenda li:nth-child(3) .agenda__dot { background: var(--lilac); }

/* 03 展品范围 */
.categories__layout { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.6fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.categories__copy { position: sticky; top: calc(var(--header-h) + 32px); }
.categories__copy .eyebrow { margin-top: 18px; }
.categories__copy > p:not(.eyebrow) { margin: 18px 0 28px; color: var(--ink-soft); line-height: 1.9; }
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.category {
  position: relative; overflow: hidden; display: flex; flex-direction: column;
  min-height: 210px; padding: 24px 22px 22px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: #fff; transition: background-color .3s var(--ease);
}
.category::before { content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%; background: var(--t); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease); }
.category:hover, .category:focus-visible { background: var(--t-tint); }
.category:hover::before, .category:focus-visible::before { transform: scaleX(1); }
.category__number { font-family: var(--font-num); font-size: 15px; font-weight: 700; color: var(--t-ink); letter-spacing: .06em; }
.category h3 { margin-top: 42px; font-size: 20px; font-weight: 900; color: var(--blue); }
.category p { margin-top: 8px; font-size: 13.5px; line-height: 1.7; color: var(--ink-soft); }
.category__go { position: absolute; right: 18px; top: 20px; color: var(--t-ink); font-weight: 700; opacity: 0; transform: translateX(-6px); transition: opacity .3s, transform .3s var(--ease); }
.category:hover .category__go { opacity: 1; transform: none; }

/* 04 展商秀（深蓝数据风） */
.exhibitor-show { position: relative; isolation: isolate; overflow: hidden; padding: clamp(80px, 9vw, 130px) 0; background: linear-gradient(120deg, var(--deep) 0%, var(--blue) 55%, var(--teal) 130%); color: #fff; }
.exhibitor-show__grid {
  position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 90% at 85% 40%, #000 0%, transparent 70%); mask-image: radial-gradient(120% 90% at 85% 40%, #000 0%, transparent 70%);
}
.exhibitor-show::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: var(--ribbon-h); background: var(--ribbon); }
.exhibitor-show__layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 5vw, 88px); align-items: center; }
.exhibitor-show__copy .eyebrow { margin-top: 18px; }
.exhibitor-show__copy h2 { color: #fff; }
.exhibitor-show__copy > p:not(.eyebrow) { margin-top: 18px; color: rgba(255,255,255,.86); line-height: 1.9; max-width: 520px; }
.exhibitor-show__specs { list-style: none; margin: 34px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.22); }
.exhibitor-show__specs li { padding: 16px 12px 0 0; }
.exhibitor-show__specs strong { display: block; font-size: 20px; font-weight: 900; }
.exhibitor-show__specs span { font-size: 13px; color: var(--sky); }
.exhibitor-search { background: #fff; color: var(--ink); padding: clamp(24px, 3vw, 40px); box-shadow: 0 30px 60px rgba(7,30,66,.35); position: relative; }
.exhibitor-search::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px; background: var(--ribbon); }
.exhibitor-search__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.exhibitor-search__label { font-size: 18px; font-weight: 900; color: var(--blue); }
.exhibitor-search__form { display: flex; margin-top: 18px; border: 2px solid var(--blue); background: #fff; transition: box-shadow .25s; }
.exhibitor-search__form:focus-within { box-shadow: 0 0 0 4px rgba(20,189,172,.28); }
.exhibitor-search__form input { flex: 1; min-width: 0; border: 0; padding: 0 16px; height: 52px; font-size: 16px; background: transparent; outline: none; }
.exhibitor-search__form .btn { min-height: 52px; border: 0; padding: 0 28px; }
.exhibitor-search__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border: 1px solid var(--line-strong); background: #fff; color: var(--ink);
  font-size: 13.5px; font-weight: 700; cursor: pointer; transition: all .2s var(--ease);
}
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip[aria-pressed="true"] { background: var(--blue); border-color: var(--blue); color: #fff; }
.chip[aria-pressed="true"]::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.exhibitor-search__note { margin-top: 18px; padding: 12px 14px; background: var(--mist); font-size: 14px; color: var(--ink-soft); border-left: 3px solid var(--lagoon); transition: background-color .3s; }
.exhibitor-search__note.is-flash { background: var(--gold-tint); border-left-color: var(--gold); }
.exhibitor-search__note mark { background: none; color: var(--blue); font-weight: 900; }

/* 05 资讯 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 14px;
  padding: 30px 0 0; border-top: 2px solid var(--blue);
  transition: border-color .3s;
}
.news-card::before { content: ""; position: absolute; left: 0; top: -2px; height: 2px; width: 100%; background: var(--t); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease); }
.news-card:hover::before { transform: scaleX(1); }
.news-card h3 { font-size: 22px; font-weight: 900; color: var(--blue); }
.news-card p { color: var(--ink-soft); line-height: 1.85; }
.news-card__more { margin-top: auto; padding-top: 8px; display: inline-flex; gap: 8px; font-weight: 700; color: var(--blue); }
.news-card__more i { font-style: normal; transition: transform .25s var(--ease); }
.news-card:hover .news-card__more i { transform: translateX(5px); }

/* 收尾 CTA：白底水彩天际线 */
.closing-cta {
  position: relative; text-align: center;
  padding: clamp(80px, 9vw, 130px) 0 clamp(40px, 5vw, 80px);
  background: #fff;
}
.closing-cta__inner { display: flex; flex-direction: column; align-items: center; }
.closing-cta h2 { margin-top: 18px; font-size: clamp(32px, 4.6vw, 64px); font-weight: 900; line-height: 1.25; color: var(--blue); }
.closing-cta .ribbon--short { margin-top: 28px; }
.closing-cta__info { margin-top: 22px; font-size: 18px; font-weight: 700; color: var(--blue); }
.closing-cta__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 30px; }

/* ---------- 页脚：水彩天际线 + 笔刷波浪（原素材，不重画） ---------- */
.site-footer { color: #fff; background: #fff; }
.site-footer__art {
  position: relative; height: 46.15vw;
  background: url("../images/bg-footer-wave.webp") center bottom / 100% auto no-repeat;
}
.site-footer__brand { position: relative; padding-top: clamp(28px, 4vw, 64px); display: flex; flex-direction: column; align-items: flex-end; text-align: right; color: var(--blue); }
.site-footer__brand img { width: clamp(120px, 11vw, 170px); }
.site-footer__name { margin-top: 18px; font-size: clamp(15px, 1.3vw, 19px); font-weight: 900; line-height: 1.5; }
.site-footer__info { margin-top: 6px; font-size: 14px; font-weight: 700; color: var(--ink-soft); }
.site-footer__base { position: relative; background: linear-gradient(90deg, #0756a2, #17599e); padding: 0 0 28px; margin-top: -1px; }
@media (min-width: 721px) { .site-footer__base { background: transparent; margin-top: -8vw; } .site-footer__base::before { content: ""; position: absolute; inset: 8vw 0 0; z-index: -1; background: linear-gradient(90deg, #0756a2, #17599e); } .site-footer { position: relative; isolation: isolate; } }
.site-footer__inner { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; padding: 8px 0 36px; border-bottom: 1px solid rgba(255,255,255,.2); }
.site-footer__theme strong { display: block; margin-top: 14px; font-size: 26px; font-weight: 900; letter-spacing: .12em; }
.site-footer__theme p { margin-top: 8px; color: rgba(255,255,255,.82); font-size: 14px; }
.site-footer__theme .dots > i:nth-child(1) { background: #fff; }
.site-footer__links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.site-footer__links div { display: flex; flex-direction: column; gap: 8px; }
.site-footer__links strong { margin-bottom: 6px; font-size: 13px; letter-spacing: .14em; color: var(--sky); }
.site-footer__links a { font-size: 15px; color: rgba(255,255,255,.92); width: fit-content; background: linear-gradient(var(--gold), var(--gold)) left bottom / 0 1px no-repeat; transition: background-size .3s var(--ease); }
.site-footer__links a:hover { background-size: 100% 1px; }
.site-footer__legal { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 20px; font-size: 13px; color: rgba(255,255,255,.7); }
.site-footer__filings { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px; }
.site-footer__legal a { display: inline-flex; align-items: center; gap: 5px; color: rgba(255,255,255,.78); }
.site-footer__legal a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.site-footer__police img { width: 20px; height: 20px; flex: none; }

/* ---------- 动效：入场 ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }
.js .hero-copy > * { opacity: 0; transform: translateY(18px); animation: rise .9s var(--ease) forwards; }
.js .hero-copy > *:nth-child(2) { animation-delay: .08s; }
.js .hero-copy > *:nth-child(3) { animation-delay: .16s; }
.js .hero-copy > *:nth-child(4) { animation-delay: .24s; }
.js .hero-copy > *:nth-child(5) { animation-delay: .32s; }
.js .hero-copy > *:nth-child(6) { animation-delay: .40s; }
.js .hero__media img { animation: heroZoom 2.4s var(--ease) both; }
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes heroZoom { from { transform: scale(1.12); } to { transform: scale(1.04); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-delay: 0s !important; transition-duration: .001ms !important; }
  .js [data-reveal], .js .hero-copy > * { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide { transition: none; animation: none !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1240px) {
  .nav { gap: 16px; font-size: 14px; }
  .header-actions .btn--line { display: none; }
  .facts__inner { grid-template-columns: repeat(3, 1fr); }
  .facts__lead { grid-column: 1 / -1; display: flex; align-items: baseline; gap: 18px; }
  .facts__lead p br { display: none; }
  .facts__dot { display: inline-block; }
  .facts__link { display: none; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1060px) {
  :root { --header-h: 68px; }
  .nav, .header-actions { display: none; }
  .brand img { width: 96px; }
  .mobile-menu-button {
    margin-left: auto; display: inline-flex; align-items: center; gap: 10px;
    height: 42px; padding: 0 14px; border: 2px solid var(--blue); background: #fff; color: var(--blue);
    font-weight: 700; cursor: pointer;
  }
  .mobile-menu-button__icon { display: grid; gap: 4px; width: 18px; }
  .mobile-menu-button__icon i { display: block; height: 2px; background: currentColor; transition: transform .3s var(--ease), opacity .2s; }
  .mobile-menu-button[aria-expanded="true"] .mobile-menu-button__icon i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .mobile-menu-button[aria-expanded="true"] .mobile-menu-button__icon i:nth-child(2) { opacity: 0; }
  .mobile-menu-button[aria-expanded="true"] .mobile-menu-button__icon i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .mobile-menu {
    display: block; position: absolute; left: 0; right: 0; top: 100%;
    max-height: calc(100svh - var(--header-h)); overflow-y: auto;
    padding: 8px var(--gutter) 28px; background: #fff; box-shadow: 0 24px 40px rgba(22,61,118,.16);
    visibility: hidden; opacity: 0; transform: translateY(-8px); transition: opacity .25s, transform .25s var(--ease), visibility 0s .25s;
  }
  .mobile-menu.is-open { visibility: visible; opacity: 1; transform: none; transition: opacity .25s, transform .25s var(--ease); }
  .mobile-menu__list a { display: flex; align-items: baseline; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 18px; font-weight: 700; color: var(--blue); }
  .mobile-menu__list a span { font-family: var(--font-num); font-size: 14px; color: var(--teal); }
  .mobile-menu__list a[aria-current="page"] { color: var(--deep); box-shadow: inset 4px 0 0 var(--lagoon); padding-left: 14px; }
  .mobile-menu__actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }
  .mobile-menu__meta { margin-top: 18px; font-size: 13px; color: var(--ink-soft); }

  .hero { min-height: 0; }
  .hero-info { width: auto; max-width: 640px; margin-top: 26px; }
  .hero-when { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 20px; }
  .hero__veil { background: linear-gradient(180deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.92) 55%, rgba(233,243,244,.7) 80%, rgba(20,189,172,.35) 100%); }
  .sec-head { grid-template-columns: minmax(0, 1fr); }
  .sec-head .link-arrow { justify-self: start; }
  .pillars { grid-template-columns: 1fr 1fr; }
  .pillar:nth-child(3) { padding-left: 0; border-left: 0; }
  .pillar:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 18px; }
  .sessions { grid-template-columns: minmax(0, 1fr); }
  .session--feature { grid-row: auto; }
  .categories__layout { grid-template-columns: minmax(0, 1fr); }
  .categories__copy { position: static; }
  .exhibitor-show__layout { grid-template-columns: minmax(0, 1fr); }
  .news-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .site-footer__inner { grid-template-columns: minmax(0, 1fr); }
}
/* =========================================================
   移动端 · 9:16 竖屏阅读（≤720px）
   原则：首屏一屏讲清“是什么 / 何时何地 / 去哪报名”；
   标题编号与眉题同行省高度；4 项以内的平行卡片改横滑；
   触控区 ≥44px；输入框 16px 防 iOS 缩放；底部常驻报名栏。
   ========================================================= */
@media (max-width: 720px) {
  :root { --header-h: 60px; --gutter: 18px; }
  body { font-size: 16px; line-height: 1.8; }
  body.menu-open { overflow: hidden; }
  .shell { width: calc(100% - var(--gutter) * 2); }
  .brand img, .site-header.is-scrolled .brand img { width: 84px; }
  .brand { gap: 10px; min-height: 44px; }
  .brand__year { font-size: 17px; padding-left: 10px; }
  .site-header.is-scrolled .site-header__bar { height: var(--header-h); }
  .mobile-menu-button__text { display: none; }
  .mobile-menu-button { width: 44px; height: 44px; padding: 0; justify-content: center; }
  .mobile-menu { height: calc(100svh - var(--header-h) - 3px); max-height: none; padding-bottom: calc(28px + env(safe-area-inset-bottom)); }
  .mobile-menu__list a { min-height: 54px; align-items: center; font-size: 17px; }
  .mobile-menu__actions .btn { min-height: 50px; }

  /* 通用排版 */
  .section { padding: 60px 0; }
  .eyebrow { font-size: 12px; letter-spacing: .1em; gap: 8px; }
  .eyebrow::before { width: 16px; }
  .sec-index { font-size: 46px; line-height: .9; }
  .sec-head { margin-bottom: 22px; gap: 14px; }
  .sec-head__title { display: grid; grid-template-columns: auto 1fr; align-items: end; column-gap: 12px; }
  .sec-head__title > div { display: contents; }
  .sec-head__title .sec-index { grid-row: 1; grid-column: 1; }
  .sec-head__title .eyebrow { grid-row: 1; grid-column: 2; align-self: end; padding-bottom: 6px; }
  .sec-head__title h2 { grid-row: 2; grid-column: 1 / -1; }
  .sec-head h2, .categories__copy h2, .exhibitor-show__copy h2 { margin-top: 14px; font-size: clamp(23px, 6.6vw, 28px); line-height: 1.3; }
  .sec-head__lead { font-size: 16px; line-height: 1.85; }
  .link-arrow { min-height: 44px; padding-bottom: 0; align-items: center; }
  .btn { min-height: 48px; }
  .btn--lg { min-height: 52px; padding: 0 16px; font-size: 16px; }

  /* 首屏：一屏内完成 年份-展名-主题-倒计时-时间地点-双按钮 */
  .hero { padding: calc(var(--header-h) + 3px + 22px) 0 28px; }
  .hero__veil::after { display: none; }
  .hero-kicker { font-size: 12.5px; gap: 8px; letter-spacing: .04em; }
  .hero-kicker .dots > i { width: 6px; height: 6px; }
  .hero-brandline { font-size: clamp(54px, 18.5vw, 84px); margin-top: 12px; }
  .hero-title { margin-top: 12px; font-size: clamp(19px, 5.5vw, 24px); line-height: 1.42; }
  .hero-title__br { display: none; }
  .hero-theme { margin-top: 14px; gap: 12px; }
  .hero-theme strong { font-size: 16.5px; letter-spacing: .08em; }
  .hero-theme .ribbon--bar { width: 36px; }
  .hero-info { display: flex; flex-direction: row; flex-wrap: nowrap; margin-top: 18px; box-shadow: 0 10px 26px rgba(22,61,118,.10); }
  .hero-countdown--floating { display: none; }
  .hero-countdown--inline { display: flex; flex: none; flex-wrap: wrap; align-items: baseline; align-content: center; gap: 2px 4px; padding: 12px 14px 14px; min-width: 108px; }
  .hero-countdown--inline .hero-countdown__label { flex-basis: 100%; font-size: 12px; }
  .hero-countdown--inline .hero-countdown__num { font-size: 38px; }
  .hero-countdown--inline .hero-countdown__unit { font-size: 13px; }
  .hero-countdown--inline strong.is-status { font-size: 20px; }
  .hero-countdown__label { flex-basis: 100%; font-size: 12px; }
  .hero-countdown__num { font-size: 38px; }
  .hero-countdown__unit { font-size: 13px; }
  .hero-countdown strong.is-status { font-size: 20px; }
  .hero-when { grid-template-columns: minmax(0, 1fr); padding: 10px 14px; gap: 6px; }
  .hero-when div { gap: 0; }
  .hero-when dt { font-size: 11px; }
  .hero-when dd { font-size: 16px; line-height: 1.45; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
  .hero-actions .btn { padding: 0 10px; }

  /* 规模数字：竖屏改为三行“数字 — 标签”，纵向更好读 */
  .facts { padding-top: 26px; }
  .facts__inner { grid-template-columns: minmax(0, 1fr); gap: 0; padding-bottom: 10px; }
  .facts__lead { flex-direction: column; gap: 2px; padding-bottom: 14px; }
  .facts__lead p { font-size: 16px; margin-top: 2px; }
  .facts__lead p br { display: none; }
  .facts__item { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-left: 0; border-top: 1px solid var(--line); }
  .facts__value { font-size: clamp(36px, 11vw, 46px); flex-direction: row; align-items: baseline; }
  .facts__value small { font-size: 14px; }
  .facts__label { margin-top: 0; font-size: 16px; color: var(--ink); }
  .facts__wave { height: 64px; background-size: 200% auto; background-position: 18% bottom; }

  /* 横滑卡片（4 项以内的平行信息） */
  [data-swipe] {
    display: grid !important; grid-auto-flow: column; grid-auto-columns: 82%; grid-template-columns: none !important;
    gap: 12px; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory;
    margin-inline: calc(var(--gutter) * -1); padding: 4px var(--gutter) 6px; scroll-padding-inline: var(--gutter);
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
  }
  [data-swipe]::-webkit-scrollbar { display: none; }
  [data-swipe] > * { scroll-snap-align: start; min-width: 0; }
  .swipe-dots { display: flex; justify-content: center; gap: 6px; margin-top: 14px; }
  .swipe-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--line-strong); transition: width .3s var(--ease), background-color .3s; }
  .swipe-dots i.is-on { width: 20px; border-radius: 3px; background: var(--blue); }
  .swipe-hint { display: flex; justify-content: space-between; align-items: center; margin: 0 0 10px; font-size: 12px; font-weight: 700; color: var(--ink-soft); letter-spacing: .06em; }

  /* 01 四柱 → 横滑卡 */
  .intro .ribbon { margin-bottom: 14px; }
  .pillars { margin-top: 0; }
  .pillar, .pillar + .pillar { padding: 22px 20px 24px; border: 0; margin: 0; background: var(--mist); }
  .pillar::before { content: ""; position: absolute; left: 0; top: 0; width: 40px; height: 4px; background: var(--t); }
  .pillar h3 { margin-top: 12px; font-size: 19px; }
  .pillar p { font-size: 16px; }

  /* 参展/参观入口：竖屏 4:5 图卡 */
  .paths { padding: 0; }
  .paths__grid { grid-template-columns: minmax(0, 1fr); gap: 3px; }
  .path { min-height: 0; aspect-ratio: 4 / 5; }
  .path__content { padding: 24px var(--gutter) 28px; }
  .path__label { font-size: 11.5px; }
  .path h3 { font-size: 25px; margin-top: 12px; }
  .path p { font-size: 16px; margin: 12px 0 20px; }
  .path .btn { min-height: 46px; }

  /* 02 会议活动 */
  .sessions { gap: 18px; }
  .session__bar { padding: 22px 18px 20px; }
  .session__bar h3, .session--feature .session__bar h3 { font-size: 21px; }
  .session__arrows { left: 14px; width: 100px; height: 20px; }
  .session__body { padding: 18px; gap: 14px; font-size: 16px; }
  .session--feature .session__body { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .session__media { min-height: 0; aspect-ratio: 16 / 10; order: -1; margin: -18px -18px 0; }
  .agenda { margin-top: 12px; }
  .agenda li { padding: 11px 0; font-size: 16px; }

  /* 03 展品范围：2 列紧凑格 */
  .categories__layout { gap: 24px; }
  .categories__copy { display: grid; grid-template-columns: auto 1fr; column-gap: 12px; align-items: end; }
  .categories__copy > * { grid-column: 1 / -1; }
  .categories__copy .sec-index { grid-column: 1; grid-row: 1; }
  .categories__copy .eyebrow { grid-column: 2; grid-row: 1; margin: 0; padding-bottom: 6px; }
  .categories__copy > p:not(.eyebrow) { margin: 12px 0 8px; font-size: 16px; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .category { min-height: 0; padding: 16px 14px 18px; }
  .category h3 { font-size: 16.5px; margin-top: 18px; }
  .category p { font-size: 16px; line-height: 1.7; }
  .category__go { display: none; }

  /* 04 展商秀 */
  .exhibitor-show { padding: 60px 0 64px; }
  .exhibitor-show__layout { gap: 26px; }
  .exhibitor-show__copy { display: grid; grid-template-columns: auto 1fr; column-gap: 12px; align-items: end; }
  .exhibitor-show__copy > * { grid-column: 1 / -1; }
  .exhibitor-show__copy .sec-index { grid-column: 1; grid-row: 1; }
  .exhibitor-show__copy .eyebrow { grid-column: 2; grid-row: 1; margin: 0; padding-bottom: 6px; }
  .exhibitor-show__copy > p:not(.eyebrow) { font-size: 16px; }
  .exhibitor-show__specs { grid-template-columns: repeat(4, 1fr); margin-top: 22px; }
  .exhibitor-show__specs li { padding-top: 12px; }
  .exhibitor-show__specs strong { font-size: 16px; }
  .exhibitor-show__specs span { font-size: 11.5px; line-height: 1.5; display: block; }
  .exhibitor-search { padding: 22px 16px 20px; margin-inline: calc(var(--gutter) * -1 + 6px); }
  .exhibitor-search__label { font-size: 16.5px; }
  .exhibitor-search__form input { height: 50px; font-size: 16px; padding: 0 12px; }
  .exhibitor-search__form .btn { min-height: 50px; padding: 0 18px; }
  .exhibitor-search__tags { flex-wrap: nowrap; overflow-x: auto; margin-inline: -16px; padding: 2px 16px 6px; scrollbar-width: none; }
  .exhibitor-search__tags::-webkit-scrollbar { display: none; }
  .chip { flex: none; min-height: 40px; padding: 0 14px; font-size: 14px; }
  .exhibitor-search__note { font-size: 13.5px; }

  /* 05 资讯 → 横滑卡 */
  .news-grid { gap: 12px; }
  .news-card { padding: 22px 18px 22px; background: var(--mist); border-top-width: 3px; }
  .news-card h3 { font-size: 19px; }
  .news-card p { font-size: 16px; }
  .news-card__more { min-height: 40px; align-items: center; }

  /* 收尾 CTA */
  .closing-cta { padding: 64px 0 40px; }
  .closing-cta h2 { font-size: clamp(26px, 7.6vw, 32px); }
  .closing-cta__info { font-size: 16px; line-height: 1.7; }
  .closing-cta__actions { display: grid; grid-template-columns: 1fr 1fr; width: 100%; gap: 10px; }

  /* 页脚 */
  .site-footer__art { height: auto; padding-bottom: 46vw; background-size: 100% auto; }
  .site-footer__brand { align-items: flex-start; text-align: left; padding-top: 40px; }
  .site-footer__name { font-size: 16px; }
  .site-footer__name br { display: none; }
  .site-footer__info { font-size: 13.5px; }
  .site-footer__inner { gap: 26px; padding-top: 4px; }
  .site-footer__theme strong { font-size: 21px; }
  .site-footer__links { grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
  .site-footer__links div { gap: 0; }
  .site-footer__links strong { margin-bottom: 4px; font-size: 12px; letter-spacing: .08em; }
  .site-footer__links a { min-height: 40px; display: flex; align-items: center; font-size: 14.5px; background: none; }
  .site-footer__legal { font-size: 12px; padding-bottom: calc(76px + env(safe-area-inset-bottom)); }

  /* 底部常驻报名栏 */
  .m-dock {
    position: fixed; z-index: 55; left: 0; right: 0; bottom: 0;
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
    padding: 8px var(--gutter) calc(8px + env(safe-area-inset-bottom));
    background: rgba(255,255,255,.94); box-shadow: 0 -8px 24px rgba(22,61,118,.12);
    transform: translateY(110%); transition: transform .35s var(--ease);
  }
  @supports (backdrop-filter: blur(1px)) { .m-dock { background: rgba(255,255,255,.82); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); } }
  .m-dock::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--ribbon); }
  .m-dock.is-on { transform: none; }
  .m-dock .btn { min-height: 46px; font-size: 15px; }
  body.menu-open .m-dock { transform: translateY(110%); }
}
@media (max-width: 360px) {
  :root { --gutter: 16px; }
  .hero-brandline { font-size: 54px; }
  .hero-countdown { min-width: 96px; padding-inline: 12px; }
  .hero-when dd { font-size: 15.5px; }
  .exhibitor-show__specs { grid-template-columns: 1fr 1fr; row-gap: 10px; }
}
.m-dock { display: none; }
@media (max-width: 720px) { .m-dock { display: grid; } }
/* 横屏手机 / 小高度：首屏不强求占满，不显示底部栏 */
@media (max-height: 520px) and (orientation: landscape) {
  .hero { min-height: 0; }
  .m-dock { display: none; }
}